gcc/ChangeLog.graphite

   1 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
   4         call to graphite_find_data_references_in_stmt.
   5         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
   6         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
   7         call to graphite_find_data_references_in_stmt.
   8         (analyze_drs_in_stmts): Same.
   9         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
  10         in which the scalar analysis of indices is performed.
  11         (create_data_ref): Same.  Update call to dr_analyze_indices.
  12         (find_data_references_in_stmt): Update call to create_data_ref.
  13         (graphite_find_data_references_in_stmt): Same.
  14         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
  15         declaration.
  16         (create_data_ref): Same.
  17         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
  18         call to create_data_ref.
  19
  20 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * graphite-sese-to-poly.c (build_poly_scop): Move
  23         rewrite_commutative_reductions_out_of_ssa before
  24         find_scop_parameters.
  25
  26 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         PR tree-optimization/46970
  29         * gcc.dg/graphite/pr46970.c: New.
  30
  31 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         PR tree-optimization/46215
  34         * gcc.dg/graphite/pr46215.c: New.
  35
  36 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         PR tree-optimization/46168
  39         * gcc.dg/graphite/pr46168.c: New.
  40
  41 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  42
  43         PR tree-optimization/43657
  44         * gcc.dg/graphite/pr43657.c: New.
  45
  46 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         PR tree-optimization/29832
  49         * gfortran.dg/graphite/pr29832.f90: New.
  50
  51 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         PR tree-optimization/43567
  54         * gcc.dg/graphite/pr43567.c: New.
  55
  56 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
  57
  58         * Makefile.in (LAMBDA_H): Removed.
  59         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
  60         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
  61         lambda-trans.o, and tree-loop-linear.o.
  62         (lto-symtab.o): Remove dependence on LAMBDA_H.
  63         (tree-loop-linear.o): Remove rule.
  64         (lambda-mat.o): Same.
  65         (lambda-trans.o): Same.
  66         (lambda-code.o): Same.
  67         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
  68         (tree-vect-slp.o): Same.
  69         * hwint.h (gcd): Moved here.
  70         (least_common_multiple): Same.
  71         * lambda-code.c: Removed.
  72         * lambda-mat.c: Removed.
  73         * lambda-trans.c: Removed.
  74         * lambda.h: Removed.
  75         * tree-loop-linear.c: Removed.
  76         * lto-symtab.c: Do not include lambda.h.
  77         * omega.c (gcd): Removed.
  78         * passes.c (init_optimization_passes): Remove pass_linear_transform.
  79         * tree-data-ref.c (print_lambda_vector): Moved here.
  80         (lambda_vector_copy): Same.
  81         (lambda_matrix_copy): Same.
  82         (lambda_matrix_id): Same.
  83         (lambda_vector_first_nz): Same.
  84         (lambda_matrix_row_add): Same.
  85         (lambda_matrix_row_exchange): Same.
  86         (lambda_vector_mult_const): Same.
  87         (lambda_vector_negate): Same.
  88         (lambda_matrix_row_negate): Same.
  89         (lambda_vector_equal): Same.
  90         (lambda_matrix_right_hermite): Same.
  91         * tree-data-ref.h: Do not include lambda.h.
  92         (lambda_vector): Moved here.
  93         (lambda_matrix): Same.
  94         (dependence_level): Same.
  95         (lambda_transform_legal_p): Removed declaration.
  96         (lambda_collect_parameters): Same.
  97         (lambda_compute_access_matrices): Same.
  98         (lambda_vector_gcd): Same.
  99         (lambda_vector_new): Same.
 100         (lambda_vector_clear): Same.
 101         (lambda_vector_lexico_pos): Same.
 102         (lambda_vector_zerop): Same.
 103         (lambda_matrix_new): Same.
 104         * tree-flow.h (least_common_multiple): Removed declaration.
 105         * tree-parloops.c (lambda_trans_matrix): Moved here.
 106         (LTM_MATRIX): Same.
 107         (LTM_ROWSIZE): Same.
 108         (LTM_COLSIZE): Same.
 109         (LTM_DENOMINATOR): Same.
 110         (lambda_trans_matrix_new): Same.
 111         (lambda_matrix_vector_mult): Same.
 112         (lambda_transform_legal_p): Same.
 113         * tree-pass.h (pass_linear_transform): Removed declaration.
 114         * tree-ssa-loop.c (tree_linear_transform): Removed.
 115         (gate_tree_linear_transform): Removed.
 116         (pass_linear_transform): Removed.
 117         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
 118         flag_loop_interchange.
 119
 120         * gfortran.dg/graphite/interchange-4.f: New.
 121         * gfortran.dg/graphite/interchange-5.f: New.
 122
 123         * gcc.dg/tree-ssa/ltrans-1.c: Removed.
 124         * gcc.dg/tree-ssa/ltrans-2.c: Removed.
 125         * gcc.dg/tree-ssa/ltrans-3.c: Removed.
 126         * gcc.dg/tree-ssa/ltrans-4.c: Removed.
 127         * gcc.dg/tree-ssa/ltrans-5.c: Removed.
 128         * gcc.dg/tree-ssa/ltrans-6.c: Removed.
 129         * gcc.dg/tree-ssa/ltrans-8.c: Removed.
 130         * gfortran.dg/ltrans-7.f90: Removed.
 131         * gcc.dg/tree-ssa/data-dep-1.c: Removed.
 132
 133         * gcc.dg/pr18792.c: -> gcc.dg/graphite/pr18792.c
 134         * gcc.dg/pr19910.c: -> gcc.dg/graphite/pr19910.c
 135         * gcc.dg/tree-ssa/20041110-1.c: -> gcc.dg/graphite/pr20041110-1.c
 136         * gcc.dg/tree-ssa/pr20256.c: -> gcc.dg/graphite/pr20256.c
 137         * gcc.dg/pr23625.c: -> gcc.dg/graphite/pr23625.c
 138         * gcc.dg/tree-ssa/pr23820.c: -> gcc.dg/graphite/pr23820.c
 139         * gcc.dg/tree-ssa/pr24309.c: -> gcc.dg/graphite/pr24309.c
 140         * gcc.dg/tree-ssa/pr26435.c: -> gcc.dg/graphite/pr26435.c
 141         * gcc.dg/pr29330.c: -> gcc.dg/graphite/pr29330.c
 142         * gcc.dg/pr29581-1.c: -> gcc.dg/graphite/pr29581-1.c
 143         * gcc.dg/pr29581-2.c: -> gcc.dg/graphite/pr29581-2.c
 144         * gcc.dg/pr29581-3.c: -> gcc.dg/graphite/pr29581-3.c
 145         * gcc.dg/pr29581-4.c: -> gcc.dg/graphite/pr29581-4.c
 146         * gcc.dg/tree-ssa/loop-27.c: -> gcc.dg/graphite/pr30565.c
 147         * gcc.dg/tree-ssa/pr31183.c: -> gcc.dg/graphite/pr31183.c
 148         * gcc.dg/tree-ssa/pr33576.c: -> gcc.dg/graphite/pr33576.c
 149         * gcc.dg/tree-ssa/pr33766.c: -> gcc.dg/graphite/pr33766.c
 150         * gcc.dg/pr34016.c: -> gcc.dg/graphite/pr34016.c
 151         * gcc.dg/tree-ssa/pr34017.c: -> gcc.dg/graphite/pr34017.c
 152         * gcc.dg/tree-ssa/pr34123.c: -> gcc.dg/graphite/pr34123.c
 153         * gcc.dg/tree-ssa/pr36287.c: -> gcc.dg/graphite/pr36287.c
 154         * gcc.dg/tree-ssa/pr37686.c: -> gcc.dg/graphite/pr37686.c
 155         * gcc.dg/pr42917.c: -> gcc.dg/graphite/pr42917.c
 156         * gcc.dg/tree-ssa/data-dep-1.c
 157         * gfortran.dg/loop_nest_1.f90: -> gfortran.dg/graphite/pr29290.f90
 158         * gfortran.dg/pr29581.f90: -> gfortran.dg/graphite/pr29581.f90
 159         * gfortran.dg/pr36286.f90: -> gfortran.dg/graphite/pr36286.f90
 160         * gfortran.dg/pr36922.f: -> gfortran.dg/graphite/pr36922.f
 161         * gfortran.dg/pr39516.f: -> gfortran.dg/graphite/pr39516.f
 162
 163 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 164
 165         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
 166         VAR_DECL, PARM_DECL, and RESULT_DECL.
 167
 168         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 169
 170 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         * graphite-dependences.c (reduction_dr_1): Allow several reductions
 173         in a reduction PBB.
 174         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
 175         that have already been marked as PBB_IS_REDUCTION.
 176
 177 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * graphite-scop-detection.c (same_close_phi_node): New.
 180         (remove_duplicate_close_phi): New.
 181         (make_close_phi_nodes_unique): New.
 182         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
 183
 184 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
 187         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
 188         of both data references to be the same.
 189
 190 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 191
 192         * graphite-dependences.c (build_lexicographical_constraint): Remove the
 193         gdim parameter.
 194         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 195         (dependence_polyhedron): Same.
 196         (graphite_legal_transform_dr): Same.
 197         (graphite_carried_dependence_level_k): Same.
 198         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 199         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 200
 201 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * graphite-sese-to-poly.c
 204         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 205         (close_phi_written_to_memory): New.
 206         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 207         and unshare_expr.
 208
 209         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 210         * gcc.dg/graphite/block-1.c: Un-XFAILed.
 211         * gcc.dg/graphite/block-7.c: Un-XFAILed.
 212         * gcc.dg/graphite/block-8.c: Un-XFAILed.
 213         * gcc.dg/graphite/interchange-12.c: Un-XFAILed.
 214         * gcc.dg/graphite/interchange-14.c: Un-XFAILed.
 215         * gcc.dg/graphite/interchange-15.c: Un-XFAILed.
 216         * gcc.dg/graphite/interchange-8.c: Un-XFAILed.
 217         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 218
 219 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         * doc/install.texi: Update the expected version number of PPL to 0.11.
 222         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 223         #if PPL_VERSION_MINOR < 11.
 224
 225 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 226
 227         * graphite-dependences.c (new_poly_ddr): Inlined into
 228         dependence_polyhedron.
 229         (free_poly_ddr): Moved close by new_poly_ddr.
 230         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 231         Early return NULL when ppl_powerset_is_empty returns true.
 232         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 233         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 234         (graphite_legal_transform_dr): Call new_poly_ddr.
 235         (graphite_carried_dependence_level_k): Same.
 236         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 237         (dot_transformed_deps_stmt_1): Removed.
 238         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 239         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 240         (dot_deps_1): Call dot_deps_2.
 241
 242 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 245         (build_lexicographical_constraint): Same.
 246         (dependence_polyhedron_1): Same.
 247         (graphite_legal_transform_dr): Same.
 248         (graphite_carried_dependence_level_k): Same.
 249         * graphite-ppl.c (ppl_powerset_is_empty): New.
 250         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 251         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 252
 253         * gcc.dg/graphite/block-0.c: Add documentation.
 254         * gcc.dg/graphite/block-4.c: Same.
 255         * gcc.dg/graphite/block-7.c: Same.
 256         * gcc.dg/graphite/block-8.c: New.
 257         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 258         * gcc.dg/graphite/interchange-11.c: Un-XFAILed.
 259         * gcc.dg/graphite/interchange-12.c: Add documentation.
 260         * gcc.dg/graphite/interchange-13.c: New.
 261         * gcc.dg/graphite/interchange-14.c: New.
 262         * gcc.dg/graphite/interchange-15.c: New.
 263         * gcc.dg/graphite/interchange-8.c: Add documentation.
 264         * gcc.dg/graphite/interchange-mvt.c: Same.
 265
 266 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 269         the "a followed by b" relation and document it.
 270
 271 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 272
 273         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 274         iteration when the bag of constraints is empty.
 275
 276 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 279
 280 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 283         nest and two loop depths as parameters.
 284         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 285         lst_perfect_nestify.
 286
 287 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-dependences.c (print_pddr): Call
 290         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
 291
 292 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         * graphite-ppl.c (debug_gmp_value): New.
 295         * graphite-ppl.h (debug_gmp_value): Declared.
 296
 297 2011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 298
 299         * doc/install.texi: Document availability of cloog-0.16
 300
 301 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 302
 303         * graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
 304         block instead of region start to the instantiation.
 305         (is_valid_bb_p): Add support for basic blocks with conditional
 306         statements.
 307         (find_scops_new): Recalculate dominance info before SCOP
 308         detection.
 309
 310 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 311
 312         * graphite-scop-detection.c (get_outermost_loop_in_region): New.
 313         (is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
 314
 315 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 316
 317         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
 318         invalid postdominance info
 319
 320 2010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
 321
 322         * Makefile.in (graphite-opencl-codegen.o): Update dependences.
 323         (graphite-opencl-meta-clast.o): Same.
 324         (graphite-opencl.o): Same.
 325         (refined-regions.o): Same.
 326         * graphite-opencl-codegen.c: Do not include unnecessary .h files.
 327         * graphite-opencl-meta-clast.c: Same.
 328         * graphite-opencl.c: Same.
 329         * refined-regions.c: Same.
 330
 331 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         * graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
 334         * graphite-opencl-meta-clast.c: Same.
 335         * graphite-opencl.c: Same.
 336
 337 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 338
 339         * graphite-opencl-codegen.c: Do not include sys/time.h.
 340         * graphite-opencl.c: Same.
 341
 342 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 343
 344         * graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
 345         out of ifdef HAVE_cloog section.
 346
 347 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 348
 349         * Makefile.in (graphite-opencl.o): Depends on
 350         graphite-opencl-functions.def.
 351         * graphite-opencl-functions.def: New.
 352         * graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
 353         graphite-opencl-functions.def.
 354         (opencl_function_names): Same.
 355         (opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
 356         as indices of opencl_function_names.
 357
 358 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 359
 360         * graphite-opencl-codegen.c: Fix formatting.
 361         * graphite-opencl-meta-clast.c: Same.
 362         * graphite-opencl.c: Same.
 363
 364 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * graphite-opencl-codegen.c: Fix formating problems.
 367         * graphite-opencl-meta-clast.c: Same.
 368         * graphite-opencl.c: Same.
 369         * graphite-opencl.h: Same.
 370
 371 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         * graphite-opencl-codegen.c: Sort topologically static functions.
 374         * graphite-opencl.c: Same.
 375
 376 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
 377
 378         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
 379         (cloog_names_scattering): New.
 380         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
 381         clast_expr_* instead of expr_*.  Call clast_name_to_str.
 382         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
 383         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
 384         (opencl_add_scat_as_arg): Same.
 385         (opencl_print_local_vars): Call cloog_names_scattering and
 386         cloog_names_nb_scattering.
 387         (opencl_print_for): Do not call value_*.
 388         (opencl_print_term): Same.
 389         (opencl_print_expr): Use clast_expr_* instead of expr_*.
 390         (opencl_print_sum): Same.
 391         (opencl_print_binary): Same.
 392
 393 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 394
 395         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
 396         graphite-opencl-meta-clast.o and graphite-opencl.o.
 397         (graphite-opencl-codegen.o): New.
 398         (graphite-opencl-meta-clast.o): New.
 399         (graphite-opencl.o): New.
 400         (GTFILES): Add graphite-opencl.c.
 401         * common.opt (fgraphite-opencl): New.
 402         (fgraphite-opencl-cpu): New.
 403         (fgraphite-opencl-ignore-depth-heuristic): New.
 404         (fgraphite-opencl-ignore-mem-heuristic): New.
 405         (fgraphite-opencl-ignore-dep): New.
 406         (fgraphite-opencl-ignore-types): New.
 407         (fgraphite-opencl-depth-base): New.
 408         (fgraphite-opencl-debug): New.
 409         * graphite-opencl-codegen.c: New file.
 410         * graphite-opencl-meta-clast.c: New file.
 411         * graphite-opencl.c: New file.
 412         * graphite-opencl.h: New file.
 413         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
 414         graphite_opencl_finalize.
 415         * tree-ssa-loop.c (gate_graphite_transforms): Handle
 416         flag_graphite_opencl.
 417         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
 418         * dbgcnt.def (opencl_scop_cnt): New counter.
 419
 420 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
 421
 422         * graphite-dependences.c (graphite_outer_subscript_bound): New.
 423         (graphite_carried_dependence_level_k): Export.
 424         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
 425         (graphite_carried_dependence_level_k): Ditto.
 426
 427 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 428
 429         * graphite-clast-to-gimple.c (struct clast_name_index): Move
 430         definition to graphite-clast-to-gimple.h.
 431         (clast_name_to_index): Ditto.
 432         (clast_name_index_elt_info): Ditto.
 433         (eq_clast_name_indexes): Ditto.
 434         (save_clast_name_index): Export.
 435         (clast_name_to_gcc): Ditto.
 436         (clast_to_gcc_expression): Ditto.
 437         (gcc_type_for_clast_expr): Ditto.
 438         (graphite_create_new_guard): Ditto.
 439         (gcc_type_for_iv_of_clast_loop): Ditto.
 440         (graphite_create_new_loop): Ditto.
 441         (build_iv_mapping): Ditto.
 442         (graphite_create_new_loop_guard): Ditto.
 443         (debug_clast_name_index): New.
 444         (debug_clast_name_indices): New debug function.
 445
 446 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         PR tree-optimization/47021
 449         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
 450
 451 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 452
 453         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
 454         unused warning.
 455         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 456
 457 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 458
 459         * graphite-sese-to-poly.c (analyze_drs): Removed.
 460         (build_scop_drs): Do not call analyze_drs.
 461         (analyze_drs_in_stmts): New.
 462         (insert_stmts): New.
 463         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
 464         (insert_out_of_ssa_copy_on_edge): Same.
 465         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
 466         (rewrite_phi_out_of_ssa): Same.
 467         (rewrite_cross_bb_scalar_dependence): Same.
 468         (split_reduction_stmt): Move data references in the new basic blocks.
 469         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
 470
 471 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 472
 473         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
 474
 475 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 476
 477         PR middle-end/45297
 478         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
 479         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
 480         * graphite-poly.h (new_poly_bb): Update declaration.
 481         (gbb_from_bb): Moved here...
 482         (pbb_from_bb): New.
 483         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
 484         Removed.
 485         (graphite_stmt_p): Removed.
 486         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
 487         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
 488         new_poly_bb.
 489         (build_scop_bbs_1): Do not pass in sbitmap reductions.
 490         (build_scop_bbs): Same.
 491         (gbb_from_bb): ... from here.
 492         (add_conditions_to_constraints): Moved up.
 493         (analyze_drs): New.
 494         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
 495         not contain data references.
 496         (new_pbb_from_pbb): New.
 497         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
 498         block is split.
 499         (rewrite_close_phi_out_of_ssa): Update call to
 500         insert_out_of_ssa_copy_on_edge.
 501         (rewrite_reductions_out_of_ssa): Now static.
 502         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 503         (split_pbb): New.
 504         (split_reduction_stmt): Call split_pbb.
 505         (translate_scalar_reduction_to_array): Pass in the scop, do not
 506         pass in the sbitmap reductions.
 507         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 508         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 509         (rewrite_commutative_reductions_out_of_ssa): Same.
 510         (build_poly_scop): Call build_scop_bbs,
 511         rewrite_commutative_reductions_out_of_ssa,
 512         rewrite_reductions_out_of_ssa, and
 513         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
 514         before scop_to_lst.
 515         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
 516         Removed declaration.
 517         (rewrite_reductions_out_of_ssa): Same.
 518         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 519         (build_scop_bbs): Same.
 520         * graphite.c (graphite_transform_loops): Do not initialize reductions.
 521         Do not call build_scop_bbs,
 522         rewrite_commutative_reductions_out_of_ssa,
 523         rewrite_reductions_out_of_ssa, and
 524         rewrite_cross_bb_scalar_deps_out_of_ssa.
 525         * sese.h (struct gimple_bb): Add field pbb.
 526         (GBB_PBB): New.
 527
 528         * gcc.dg/graphite/pr45297.c: New.
 529
 530 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 531
 532         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
 533         New.
 534         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
 535         handle_scalar_deps_crossing_scop_limits.
 536         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
 537         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
 538
 539 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
 542         when replacing a constant in an ADDR_EXPR.
 543
 544 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
 547         for the stride.
 548         (lst_do_strip_mine): Same.
 549         (scop_do_strip_mine): Same.
 550         * graphite-poly.c (apply_poly_transforms): Update call to
 551         scop_do_strip_mine.
 552         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 553
 554 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         PR middle-end/45758
 557         * graphite.c (graphite_initialize): Call scev_reset.
 558
 559 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 560
 561         * sese.h (scev_analyzable_p): Return false for real or floating
 562         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 563
 564 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         PR middle-end/45758
 567         * gfortran.dg/graphite/pr45758.f90: New.
 568
 569 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-scop-detection.c (is_scop_p): Free bblist.
 572
 573 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 576         and ps.
 577         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 578         domain.
 579         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 580         Do not allocate ub_expr, it is passed in initialized.
 581
 582 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 583
 584         * common.opt (fgraphite-dump-cloog): New flag.
 585         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 586         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 587         (build_cloog_prog): Dump CLooG input file when
 588         flag_graphite_dump_cloog is set.
 589         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 590
 591 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         Revert previous patch "New flag: -fgraphite-dump-cloog."
 594
 595 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 596
 597         * common.opt (fgraphite-dump-cloog): New flag.
 598         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 599         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 600         (build_cloog_prog): Dump CLooG input file when
 601         flag_graphite_dump_cloog is set.
 602
 603 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 606         verify_dominators for CDI_POST_DOMINATORS.
 607         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 608         (recompute_all_dominators): Remove call to free_dominance_info
 609         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 610         for CDI_POST_DOMINATORS.
 611
 612 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 615         over pbb_dim_iter_domain.
 616
 617 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-flattening.c: Fix comments.
 620
 621 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 622
 623         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 624         (graphite-flattening.o): New rule.
 625         * common.opt (floop-flatten): New flag.
 626         * doc/invoke.texi (-floop-flatten): Documented.
 627         * graphite-flattening.c: New.
 628         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 629         * graphite-poly.h (flatten_all_loops): Declared.
 630         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 631         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 632         is set, also set flag_graphite.
 633
 634 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * graphite-poly.c (cloog_checksum): New.
 637         * graphite-poly.h (cloog_checksum): Declared.
 638
 639 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         * graphite-poly.c (pbb_number_of_iterations): Removed.
 642         (pbb_number_of_iterations_at_time): Correctly compute the number
 643         of iterations in the transformed loop.
 644         * graphite-poly.h (pbb_number_of_iterations): Removed.
 645
 646 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 647
 648         * graphite-poly.h (lst_update_scattering_seq): Removed.
 649         (lst_update_scattering): Correctly handle outermost loop dewey
 650         renumbering.
 651
 652 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 655         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 656         * graphite-poly.h (lst_niter_for_loop): New.
 657
 658 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 659
 660         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 661         transform read from disk is not legal.  Call fatal_error instead.
 662
 663 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 666         (print_scop_header): Removed.  Inlined in the only call place...
 667         (print_scop): ... here.
 668
 669 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 672
 673 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 674
 675         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 676         (is_valid_stmt_p): Add data reference and operation-specific checks.
 677         (is_valid_bb_p): Change structure, add loop validity check.
 678         (is_scop_p): Move the TODO list
 679         (find_scops_new): New.
 680         (build_scops_new): Move part of functionality to find_scops_new and
 681         build_scops.  Add necessary steps for successful SCoP construction.
 682         (build_scops): Compute SCoP sets for both detection algorithms, choose
 683         the resulting one depending on static condition.
 684
 685 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 688
 689 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 692         (dot_deps_stmt): Same.
 693         * graphite-poly.c (dot_lst): Same.
 694
 695 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         * graphite-blocking.c (scop_do_strip_mine): Do not call
 698         graphite_legal_transform.
 699         (scop_do_block): Same.
 700
 701 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 702
 703         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 704         description.
 705
 706 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 707
 708         PR middle-end/45230
 709         * gcc.dg/graphite/id-pr45230.c: New.
 710
 711 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * tree-scalar-evolution.c (instantiate_array_ref): New.
 714         (instantiate_scev_r): Also handle ARRAY_REFs.
 715
 716 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 719         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 720         RESULT_DECL, and FIELD_DECL.  Return false for an
 721         SSA_NAME_IS_DEFAULT_DEF.
 722         (compute_scalar_evolution_in_loop): Do not further analyze the
 723         scalar evolution when no_evolution_in_loop_p returns true.
 724
 725 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 728         whether CHREC_LEFT is invariant.  A function is affine when
 729         CHREC_RIGHT is invariant.
 730
 731 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 732
 733         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 734         is_gimple_reg.
 735         (rewrite_degenerate_phi): Same.
 736         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 737
 738 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 739
 740         * graphite-scop-detection.c (graphite_can_represent_scev,
 741         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 742         graphite_can_represent_loop): Remove outermost_loop.
 743
 744 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         PR middle-end/45229
 747         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 748         handle GIMPLE_CALLs with no LHS.
 749
 750 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 751             Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 754         Call remove-build-file to clean up the generated *.graphite files.
 755
 756 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 757
 758         * doc/invoke.texi (debugging options): Update documentation.
 759         (-floop-interchange): Same.
 760         (-flopp-strip-mine): Same.
 761         (-floop-block): Same.
 762         (-fgraphite-read): Add documentation.
 763         (-fgraphite-write): Same.
 764
 765 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 766
 767         * toplev.c (process_options): Disable graphite loop optimization
 768         options when -fgraphite-read flag is used.
 769
 770 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 771
 772         * graphite-poly.c (init_graphite_out_file): New.
 773         (init_graphite_in_file): New.
 774         (apply_poly_transforms): Updated to enable reading and writing of
 775         multiple scop files.
 776         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 777
 778 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 779
 780         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 781         redundant checks.
 782
 783 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 786         computation of precision by 1.
 787
 788 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 789
 790         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 791         (openscop_read_polyhedron_matrix): New.
 792         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 793         (openscop_read_N_int): Same.
 794         * graphite-poly.c (openscop_read_N_int): New.
 795         (openscop_read_one_int): New.
 796         (openscop_read_N_string): New.
 797         (openscop_read_one_string): New.
 798         (openscop_read_powerset_matrix): New.
 799         (graphite_read_transforms): Remove.
 800         (graphite_read_scatt): New.
 801         (graphite_read_scop_file): New.
 802         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 803
 804 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 805
 806         * graphite-poly.c: Change include order.
 807
 808 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 809
 810         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 811         (cloog_matrix_nrows): New.
 812
 813 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 814
 815         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 816         from matrix lines.
 817         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 818         (print_scattering_function_1): Same.
 819         (openscop_print_pbb_domain): Same.
 820         (openscop_print_scop_context): Same.
 821         (print_scop_context): Same.
 822
 823 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 824
 825         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 826         (openscop_print_pdr_polyhedron): Print pph.
 827
 828 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 829
 830         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 831         * gfortran.dg/graphite/graphite.exp: Same.
 832         * gcc.dg/graphite/vect-pr43423.c: New.
 833
 834 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 837         priority signed types.
 838
 839 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 840
 841         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 842         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 843
 844 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 845
 846         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 847         (openscop_print_polyhedron_matrix): New.
 848         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 849         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 850         (openscop_print_pdr_powerset): New.
 851         (openscop_print_powerset_matrix): New.
 852         (openscop_print_scattering_function_1): New.
 853         (print_scattering_function): Add support for scattering names and
 854         OpenScop format.
 855         (graphite_write_transforms): Remove.
 856         (apply_poly_transforms): Updated to call print_scop.
 857         (print_pdr_access_layout): Updated to support OpenScop format.
 858         (print_pdr): Same.
 859         (openscop_print_pbb_domain): New.
 860         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 861         not provided.
 862         (print_pbb): Updated to call the new print_pbb_body.
 863         (openscop_print_scop_context): New.
 864         (print_scop_header): New.
 865         (print_scop): Updated to call print_scop_header.
 866         * graphite-poly.h: Document OpenScop format.
 867
 868 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 871         the case removed in the previous patch, when the only phi argument
 872         is defined in the same loop as the phi node itself.  Handle it
 873         separately from the invariant case by both propagating it outside
 874         the region and replacing the phi node with an assign.
 875
 876 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 877
 878         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 879         constant phi nodes with one argument are is_gimple_min_invariant
 880         and SSA_NAME_IS_DEFAULT_DEF.
 881
 882         * gfortran.dg/graphite/id-22.f: New.
 883
 884 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 885
 886         * graphite.c (graphite_initialize): Do not initialize
 887         CLooG and initialize the Parma Polyhedra Library
 888         manually when using CLOOG_ORG.
 889         (graphite_finalize): Do not finalize CLooG and finalize
 890         the Parma Polyhedra Library manually when using CLOOG_ORG.
 891         * graphite-cloog-compat.h (cloog_initialize): Hide function
 892         when using CLOOG_ORG.
 893         (cloog_finalize): Same.
 894
 895 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 896
 897         * graphite-clast-to-gimple.c (free_scattering): Change
 898         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 899         (CLOOG_ORG).
 900         (build_cloog_prog): Same.
 901         * graphite-cloog-compat.h (cloog_domain): Removed.
 902         (cloog_scattering): New.
 903         (cloog_set_domain): Removed.
 904         (cloog_set_scattering): New.
 905         (cloog_next_domain): Removed.
 906         (cloog_next_scattering): New.
 907         (cloog_set_next_domain): Removed.
 908         (cloog_set_next_scattering): New.
 909         (CloogScatteringList): New.
 910         (CloogScattering): New.
 911         (cloog_scattering_free): New.
 912         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 913         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 914         New.
 915
 916 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 917
 918         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 919         CloogState.
 920         (set_cloog_options): Same.
 921         (print_clast_stmt): Same.
 922         (scop_to_clast): Same.
 923         (print_generated_program): Same.
 924         (gloog): Same.
 925         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 926         (scop_to_clast): Extend with CloogState.
 927         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 928         (new_Cloog_Domain_from_ppl_Polyhedron):
 929         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 930         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 931         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 932         * graphite-cloog-util.h (build_cloog_prog): Same.
 933         * graphite-cloog-copat.h (build_cloog_prog): New.
 934         (CloogState): New.
 935         (cloog_state_malloc): New.
 936         (cloog_state_free): New.
 937         (cloog_loop_malloc): New.
 938         (cloog_options_malloc): New.
 939         (cloog_statement_alloc): New.
 940         (cloog_domain_from_cloog_matrix): New.
 941         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 942         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 943
 944 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 945
 946         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 947         type of NAME now depends on used CLooG version.
 948         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 949         (gcc_type_for_clast_expr): Same.
 950         (print_clast_stmt): Replace pprint with clast_pprint.
 951         * graphite-cloog-compat.h: Provide compatibility macros for
 952         CLooG Legacy.
 953         (clast_name_p): New.
 954         (clast_expr_term): New.
 955         (clast_expr_red): New.
 956         (clast_expr_bin): New.
 957         (clast_pprint): New.
 958
 959 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 960
 961         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 962         compatible to newer CLooG releases (CLOOG_ORG).
 963         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 964         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 965         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 966         (build_cloog_prog) : New.
 967         (cloog_program_extract_scalars): New.
 968         (cloog_program_scatter): New.
 969
 970 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 971
 972         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 973         conditionally (CLOOG_ORG).
 974         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 975         (cloog_statement_usr): New.
 976         (cloog_domain): Same.
 977         (cloog_set_domain): Same.
 978         (cloog_next_domain): Same.
 979         (cloog_set_next_domain): Same.
 980         (cloog_program_nb_scattdims): Same.
 981         (cloog_program_set_nb_scattdims): Same.
 982         (cloog_program_names): Same.
 983         (cloog_program_set_names): Same.
 984         (cloog_program_set_context): Same.
 985         (cloog_program_set_loop): Same.
 986         (cloog_program_blocklist): Same.
 987         (cloog_program_set_blocklist): Same.
 988         (cloog_program_scaldims): Same.
 989         (cloog_program_set_scaldims): Same.
 990         (cloog_names_nb_parameters): Same.
 991         (cloog_names_set_nb_parameters): Same.
 992         (cloog_names_parameters): Same.
 993         (cloog_names_set_parameters): Same.
 994         (cloog_names_set_nb_iterators): Same.
 995         (cloog_names_set_iterators): Same.
 996         (cloog_names_set_nb_scattering): Same.
 997         (cloog_names_set_scattering): Same.
 998         (cloog_statement_set_usr): Same.
 999         (cloog_loop_set_next): Same.
1000         (cloog_loop_set_domain): Same.
1001         (cloog_loop_set_block): Same.
1002         (cloog_block_list_next): Same.
1003         (cloog_block_list_set_next):
1004         (cloog_block_list_set_block): Same.
1005
1006 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
1009         a bool.
1010         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1011         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1012         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
1013         when something has been changed.
1014         (rewrite_commutative_reductions_out_of_ssa): Same.
1015
1016         * gcc.dg/graphite/id-26.c: New.
1017
1018 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1019
1020         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
1021         handle the case when def is in the sese region.
1022         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
1023         for invariant expressions.
1024         (rewrite_cross_bb_phi_deps): Removed.
1025         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
1026         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
1027         rewrite_cross_bb_phi_deps.
1028
1029 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-sese-to-poly.c
1032         (rewrite_commutative_reductions_out_of_ssa_loop): Call
1033         scev_analyzable_p only on is_gimple_reg
1034
1035         * gcc.dg/graphite/id-25.c: New.
1036
1037 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
1040         (rewrite_close_phi_out_of_ssa): Propagate constant values or
1041         parametric expressions outside the scop region.
1042         (rewrite_cross_bb_scalar_deps): Same.
1043         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
1044
1045         * gcc.dg/graphite/run-id-5.c: New.
1046         * gcc.dg/graphite/run-id-6.c: New.
1047         * gfortran.dg/graphite/id-21.f: New.
1048
1049 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
1052         SSA_NAME_DEF_STMT only on SSA_NAMEs.
1053
1054         * gcc.dg/graphite/id-24.c: New.
1055
1056 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * tree-scalar-evolution.c (instantiate_scev_name): Do not
1059         instantiate default definitions.
1060
1061 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1062
1063         * graphite-scop-detection.c (is_valid_stmt_p): New.
1064         (is_valid_bb_p): New.
1065
1066 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1067             Sebastian Pop  <sebastian.pop@amd.com>
1068
1069         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
1070         (loop_exits_from_bb_p): New.
1071         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
1072         (loop_exits_from_bb_p): Declared.
1073         * graphite-scop-detection.c (scopdet_basic_block_info): Call
1074         loop_exits_to_bb_p.
1075
1076 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1077
1078         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
1079         tree-data-ref.h.
1080         (dot_regions_1): New.
1081         (dot_regions): New.
1082         * refined-regions.h (dot_regions): Declared.
1083         * Makefile.in (refined-regions.o): Update dependences.
1084
1085 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1086
1087         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
1088         extra parameter for the region.  Call scev_analyzable_p.
1089         (rewrite_reductions_out_of_ssa): Update call to
1090         rewrite_close_phi_out_of_ssa.
1091         (rewrite_cross_bb_phi_deps): Same.
1092         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
1093         parameter for the region.  Call scev_analyzable_p.
1094         (rewrite_commutative_reductions_out_of_ssa): Update call to
1095         rewrite_commutative_reductions_out_of_ssa_loop.
1096
1097 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * gcc.dg/tree-ssa/pr20742.c: New.
1100
1101 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
1104
1105         * gcc.dg/graphite/id-23.c: New.
1106
1107 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
1110         SSA scalar phi nodes that can be scev_analyzable_p.
1111
1112         * gfortran.dg/graphite/id-20.f: Adjust testcase.
1113
1114 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
1117         handle SSA_NAME_IS_DEFAULT_DEF.
1118
1119 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
1122
1123         * gcc.dg/graphite/pr42729.c: New.
1124
1125 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
1128         case non close-phi nodes with one argument.
1129
1130 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         * sese.h (scev_analyzable_p): Scevs could be expressions without
1133         chrecs and still be scev_analyzable_p.
1134
1135 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1138
1139 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
1142         * cfgloop.h (struct loop): Remove single_iv field.
1143         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
1144         (scop_canonicalize_loops): Removed.
1145         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
1146         over all the loop phi nodes in loop->header.
1147         (build_poly_scop): Remove use of scop_canonicalize_loops.
1148
1149 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1150
1151         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
1152         handle GIMPLE_CALL.
1153
1154 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * tree-chrec.c (chrec_apply): Should only apply to the specified
1157         variable.  Also handle multivariate chains of recurrences that
1158         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
1159
1160 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
1163         (debug_clast_name_indexes_1): Removed.
1164         (debug_clast_name_indexes): Removed.
1165         (pbb_to_depth_to_oldiv): Removed.
1166         (build_iv_mapping): Replace the use of rename_map with iv_map.
1167         (translate_clast_user): Remove uses of rename_map.  Allocate and
1168         free iv_map.
1169         (translate_clast_for_loop): Remove uses of rename_map.
1170         (translate_clast_for): Same.
1171         (translate_clast_guard): Same.
1172         (translate_clast): Same.
1173         (gloog): Same.
1174         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
1175         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
1176         * sese.c (set_rename): Now static.
1177         (rename_variables_in_stmt): Removed.
1178         (rename_uses): New.
1179         (is_parameter): Removed.
1180         (is_iv): Removed.
1181         (expand_scalar_variables_call): Removed.
1182         (expand_scalar_variables_ssa_name): Removed.
1183         (expand_scalar_variables_expr): Removed.
1184         (expand_scalar_variables_stmt): Removed.
1185         (expand_scalar_variables): Removed.
1186         (rename_variables): Removed.
1187         (remove_condition): Removed.
1188         (get_true_edge_from_guard_bb): Removed.
1189         (get_false_edge_from_guard_bb): Removed.
1190         (struct igp): Removed.
1191         (default_before_guard): Removed.
1192         (convert_for_phi_arg): Removed.
1193         (add_guard_exit_phis): Removed.
1194         (insert_guard_phis): Removed.
1195         (graphite_copy_stmts_from_block): Now also uses iv_map and a
1196         region.  Do not copy conditions.  Do not copy induction variables.
1197         Call rename_uses.
1198         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
1199         the translated statement.  Use the iv_map for the induction
1200         variable renaming.
1201         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
1202         (set_rename): Removed declaration.
1203         (scev_analyzable_p): ...here.
1204         * tree-chrec.c (chrec_apply_map): New.
1205         * tree-chrec.h (chrec_apply_map): Declared.
1206
1207 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
1210         insert_loop_close_phis.
1211         * sese.c (name_defined_in_loop_p): Removed.
1212         (expr_defined_in_loop_p): Removed.
1213         (alive_after_loop): Removed.
1214         (close_phi_not_yet_inserted_p): Removed.
1215         (struct alep): Removed.
1216         (add_loop_exit_phis): Removed.
1217         (insert_loop_close_phis): Removed.
1218
1219 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1220
1221         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
1222         condition.
1223         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
1224
1225 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * gfortran.dg/graphite/id-20.f: New.
1228
1229 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1230
1231         * graphite-cloog-util.h: Added cloog.h.
1232         * graphite-blocking.c: Removed cloog.h.
1233         * graphite-dependences.c: Same.
1234         * graphite-interchange.c: Same.
1235         * graphite-poly.c: Same.
1236         * graphite-ppl.c: Same.
1237         * graphite-scop-detection.c: Same.
1238         * graphite-sese-to-poly.c:
1239         Removed cloog.h.
1240         Removed graphite-clast-to-gimple.h.
1241         (check_poly_representation): Removed (unused).
1242         * graphite-sese-to-poly.h
1243         (check_poly_representation): Removed (unused).
1244
1245 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1246
1247         * Makefile.in
1248         (OBJS-common): Added graphite-cloog-util.o.
1249         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
1250         (graphite-cloog-util.o): New.
1251         (graphite-ppl.o): Added graphite-cloog-util.h.
1252         * graphite-clast-to-gimple.c:
1253         Added graphite-cloog-util.h to include statements.
1254         * graphite-cloog-util.c: New.
1255         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
1256         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1257         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1258         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1259         (ppl_Constrain_System_number_of_constraints): Same.
1260         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1261         (oppose_constraint): Same.
1262         (cloog_matrix_to_ppl_constraint): Same.
1263         (new_Constraint_System_from_Cloog_Matrix): Same.
1264         (insert_constraint_into_matrix): Same. Declared static.
1265         * graphite-cloog-util.h: New.
1266         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
1267         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1268         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1269         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1270         (insert_constraint_into_matrix): Same.
1271         * graphite-ppl.c:
1272         Added graphite-cloog-util.h to include statements.
1273         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1274         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1275         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1276         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1277         (insert_constraint_into_matrix): Same.
1278         (ppl_Constrain_System_number_of_constraints): Same.
1279         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1280         (oppose_constraint): Same.
1281         (cloog_matrix_to_ppl_constraint): Same.
1282         (new_Constraint_System_from_Cloog_Matrix): Same.
1283         * graphite-ppl.h:
1284         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1285         graphite-cloog-util.h.
1286         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1287         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1288         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1289         (insert_constraint_into_matrix): Removed.
1290
1291 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1292
1293         * graphite-clast-to-gimple.c
1294         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
1295         (precision_for_interval): Same.
1296         (gcc_type_for_interval): Same.
1297         (compute_type_for_level): Same.
1298         * graphite-interchange.c
1299         (lst_interchange_profitable_p): Same.
1300         * graphite-poly.c
1301         (psct_scattering_dim_for_loop_depth): Same.
1302         * graphite-ppl.c
1303         (ppl_max_for_le_pointset): Same.
1304         (ppl_min_for_le_pointset): Same.
1305
1306 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
1307
1308         * refined-regions.c (bb_index_compare): New.
1309         (get_bbs_in_region): New.
1310         (print_bbs_in_region): New.
1311         (print_refined_region): Add an argument that allows to print
1312         all basic blocks contained in regions.
1313         (debug_refined_region): Update call to print_refined_region.
1314         * refined-regions.h (print_refined_region): Update declaration.
1315         (get_bbs_in_region): Declared.
1316         * graphite-scop-detection.c (build_scops_new): Print the refined
1317         region tree into the Grahite dump file.
1318
1319 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1320
1321         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1322         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1323
1324 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1327         rewrite_close_phi_out_of_ssa.
1328
1329         * gcc.dg/graphite/id-22.c: New.
1330
1331 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1334
1335 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1338         rename_map.
1339         * sese.c (debug_rename_map): Same.
1340         (get_rename): Same.
1341         (set_rename): Same.
1342         (rename_variables_in_stmt): Same.
1343         (expand_scalar_variables_call): Same.
1344         (expand_scalar_variables_ssa_name): Same.
1345         (expand_scalar_variables_expr): Same.
1346         (expand_scalar_variables_stmt): Same.
1347         (expand_scalar_variables): Same.
1348         (rename_variables): Same.
1349         (graphite_copy_stmts_from_block): Same.
1350         (copy_bb_and_scalar_dependences): Same.
1351
1352 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-clast-to-gimple.c (copy_renames): Removed.
1355         (translate_clast_for): Do not call copy_renames.
1356         (translate_clast_guard): Same.
1357
1358 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1361         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1362         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1363         before rewrite_cross_bb_scalar_deps.
1364
1365 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1368         Early return in when flag_associative_math is not set.
1369
1370 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * gcc.dg/graphite/run-id-2.c: Call abort.
1373
1374 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1377         of SSA copies on edges except for loop->latch.
1378
1379 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1382         Split out of rewrite_reductions_out_of_ssa.
1383         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1384         Declared.
1385         * graphite.c (graphite_transform_loops): Call it.
1386
1387 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1388
1389         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1390
1391 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * passes.c (init_optimization_passes): Add pass_graphite.
1394         Schedule a pass_copy_prop before pass_graphite_transforms.
1395         * timevar.def (TV_GRAPHITE): Declared.
1396         * tree-pass.h (pass_graphite): Declared.
1397         * tree-ssa-loop.c (pass_graphite): New.
1398
1399         * gcc.dg/graphite/id-20.c: New.
1400
1401 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1404         Remove calls to rename_nb_iterations and rename_sese_parameters.
1405         * graphite-clast-to-gimple.h (gloog): Update declaration.
1406         * graphite.c (graphite_transform_loops): Update call to gloog.
1407         * sese.c (rename_variables_in_expr): Removed.
1408         (rename_nb_iterations): Removed.
1409         (rename_sese_parameters): Removed.
1410         * sese.h (rename_nb_iterations): Removed.
1411         (rename_sese_parameters): Removed.
1412
1413 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * graphite-clast-to-gimple.c (gloog): Remove call to
1416         sese_adjust_liveout_phis.
1417         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1418         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1419         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1420         rewrite_phi_out_of_ssa.
1421         * sese.c (get_vdef_before_sese): Removed.
1422         (sese_adjust_vphi): Removed.
1423         (sese_adjust_liveout_phis): Removed.
1424         * sese.h (sese_adjust_liveout_phis): Removed.
1425
1426 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1429         argument for the place after which to insert the out of SSA copy.
1430         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1431         (rewrite_phi_out_of_ssa): Same.
1432         (rewrite_cross_bb_scalar_deps): Same.
1433         (insert_copyout): Removed.
1434         (insert_copyin): Removed.
1435         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1436         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1437         insert_copyin.
1438
1439 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1442         (rewrite_reductions_out_of_ssa): Same.
1443         (rewrite_commutative_reductions_out_of_ssa): Same.
1444         (build_poly_scop): Do not call these functions.
1445         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1446         (rewrite_reductions_out_of_ssa): Declared.
1447         (rewrite_commutative_reductions_out_of_ssa): Declared.
1448         * graphite.c (graphite_transform_loops): Call on every scop
1449         rewrite_commutative_reductions_out_of_ssa before calling
1450         rewrite_reductions_out_of_ssa and build_scop_bbs.
1451
1452 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-dependences.c (dot_deps): Make system call to dotty run
1455         in background.
1456         (dot_deps_stmt): Same.
1457         * graphite-poly.c (dot_lst): Same.
1458
1459 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1462         old_type in parameter.
1463         (gcc_type_for_value): Update call to gcc_type_for_interval.
1464         (compute_type_for_level_1): Renamed compute_type_for_level.
1465         Update call to gcc_type_for_interval.
1466
1467 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1470         the scev analysis when the variable is not used outside the loop
1471         in a close phi node: call compute_overall_effect_of_inner_loop.
1472
1473 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1476         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1477         (build_sese_conditions_before): Renamed call to single_pred_cond.
1478         (build_sese_conditions_after): Same.
1479
1480 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * graphite-poly.h: Fix comments and indentation.
1483         * graphite-sese-to-poly.c: Same.
1484         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1485         * tree-chrec.c: Fix comments and indentation.
1486         (tree-ssa-loop-niter.c): Same.
1487
1488 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1489
1490         * refined-regions.c (create_region): Only initialize the region.
1491         (find_regions_with_entry): Initialize parent relation and bbmap
1492         correctly.
1493         (build_regions_tree): Set outermost_region to region instead of
1494         topmost_region.
1495         (calculate_region_tree): Remove unneeded parameters.
1496
1497 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1498
1499         * graphite-scop-detection.c (is_scop_p): New.
1500         (build_scops_new): New. A skeleton for the new scop detection.
1501         (build_scops_old): Renamed from build_scops.
1502         (build_scops): New version. Call the new and the old scop
1503         detection.
1504
1505 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1506             Antoniu Pop  <antoniu.pop@gmail.com>
1507
1508         * Makefile.in (OBJS-common): Add refined-regions.o.
1509         (refined-regions.o): New.
1510         (graphite-scop-detection.o): Use refined-regions.h.
1511         * graphite-scop-detection.c: Include refined-regions.h
1512         (build_scops): Also build the refined region tree.
1513         * refined-regions.c: New. Adds an algorithm to detect refined
1514         regions.
1515         (print_refined_region): New.
1516         (debug_refined_region): New.
1517         (refined_region_contains_bb_p): New.
1518         (refined_region_contains_region_p): New.
1519         (is_common_df): New.
1520         (struct find_regions_global_data): New.
1521         (is_region): New.
1522         (typedef struct bb_bb_def): New.
1523         (new_bb_bb_def): New.
1524         (bb_bb_map_hash): New.
1525         (eq_bb_bb_map): New.
1526         (find_new_bb): New.
1527         (bb_reg_def): New.
1528         (new_bb_reg_def): New.
1529         (bb_reg_map_hash): New.
1530         (eq_bb_reg_map): New.
1531         (find_new_region): New.
1532         (insert_new_reg): New.
1533         (insert_new_bb): New.
1534         (insert_shortcut): New.
1535         (get_next_postdom): New.
1536         (create_region): New.
1537         (find_regions_with_entry): New.
1538         (find_regions_adc): New.
1539         (find_regions): New.
1540         (get_topmost_parent): New.
1541         (build_regions_tree): New.
1542         (calculate_region_tree): New.
1543         (free_region_tree): New.
1544         * refined-regions.h: New.
1545         (struct refined_region): New.
1546         (calculate_region_tree): New.
1547         (free_region_tree): New.
1548         (refined_region_contains_bb_p): New.
1549         (refined_region_contains_region_p): New.
1550         (print_refined_region): New.
1551         (debug_refined_region): New.
1552
1553 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1556         size_one_node.
1557
1558 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1561         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1562
1563 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1564
1565         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1566         phi_arg_in_outermost_loop.
1567         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1568         (remove_invariant_phi): Same.
1569
1570 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1571
1572         * graphite-blocking.c
1573         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1574         * graphite-clast-to-gimple.c
1575         (clast_to_gcc_expression): Same.
1576         (precision_for_value): Same.
1577         (precision_for_interval): Same.
1578         (gcc_type_for_interval): Same.
1579         (graphite_create_new_guard): Same.
1580         (compute_bounds_for_level): Same.
1581         (graphite_create_new_loop_guard): Same.
1582         * graphite-interchange.c
1583         (build_linearized_memory_access): Same.
1584         (pdr_stride_in_loop): Same.
1585         (memory_strides_in_loop_1): Same.
1586         (memory_strides_in_loop): Same.
1587         (extend_scattering): Same.
1588         (psct_scattering_dim_for_loop_depth): Same.
1589         (pbb_number_of_iterations): Same.
1590         * graphite-poly.h
1591         (debug_iteration_domains): Same.
1592         * graphite-ppl.c
1593         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1594         (ppl_set_inhomogeneous_gmp): Same.
1595         (ppl_strip_loop): Same.
1596         (ppl_lexico_compare_linear_expressions): Same.
1597         (ppl_read_polyhedron_matrix): Same.
1598         (ppl_max_for_le_pointset): Same.
1599         * graphite-ppl.h
1600         (ppl_read_polyhedron_matrix): Same.
1601         (tree_int_to_gmp): Same.
1602         (gmp_cst_to_tree): Same.
1603         (ppl_set_inhomogeneous): Same.
1604         (ppl_set_inhomogeneous_tree): Same.
1605         (ppl_set_coef): Same.
1606         (ppl_set_coef_tree): Same.
1607         * graphite-sese-to-poly.c
1608         (build_pbb_scattering_polyhedrons): Same.
1609         (build_scop_scattering): Same.
1610         (scan_tree_for_params_right_scev): Same.
1611         (scan_tree_for_params): Same.
1612         (find_params_in_bb): Same.
1613         (find_scop_parameters): Same.
1614         (add_upper_bounds_from_estimated_nit): Same.
1615         (build_loop_iteration_domains): Same.
1616         (add_condition_to_domain): Same.
1617         (pdr_add_memory_accesses): Same.
1618
1619 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1620
1621         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1622         CLooG's value_* macros to their respective mpz_* counterparts.
1623         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1624         (graphite_create_new_loop_guard): Same.
1625         * graphite-interchange.c (build_linearized_memory_access): Same.
1626         (pdr_stride_in_loop): Same.
1627         (memory_strides_in_loop_1): Same.
1628         (1st_interchange_profitable_p): Same.
1629         * graphite-poly.c (extend_scattering): Same.
1630         (psct_scattering_dim_for_loop_depth): Same.
1631         (pbb_number_of_iterations): Same.
1632         (pbb_number_of_iterations_at_time): Same.
1633         * graphite-poly.h (new_1st_loop): Same.
1634         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1635         (oppose_constraint): Same.
1636         (insert_constraint_into_matrix): Same.
1637         (ppl_set_inhomogeneous_gmp): Same.
1638         (ppl_set_coef_gmp): Same.
1639         (ppl_strip_loop): Same.
1640         (ppl_lexico_compare_linear_expressions): Same.
1641         (ppl_max_for_le_pointset): Same.
1642         (ppl_min_for_le_pointset): Same.
1643         (ppl_build_realtion): Same.
1644         * graphite-ppl.h (gmp_cst_to_tree): Same.
1645         (ppl_set_inhomogeneous): Same.
1646         (ppl_set_inhomogeneous_tree): Same.
1647         (ppl_set_coef): Same.
1648         (ppl_set_coef_tree): Same.
1649         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1650         (build_scop_scattering): Same.
1651         (add_value_to_dim): Same.
1652         (scan_tree_for_params_right_scev): Same.
1653         (scan_tree_for_params_int): Same.
1654         (scan_tree_for_params): Same.
1655         (find_params_in_bb): Same.
1656         (find_scop_parameters): Same.
1657         (add_upper_bounds_from_estimated_nit): Same.
1658         (build_loop_iteration_domains): Same.
1659         (create_linear_expr_from_tree): Same.
1660         (add_condition_to_domain): Same.
1661         (pdr_add_memory_accesses): Same.
1662
1663 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         PR middle-end/43519
1666         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1667         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1668         When converting an unsigned type to signed, double its precision.
1669         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1670         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1671         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1672
1673 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         PR middle-end/43519
1676         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1677         build_nonstandard_integer_type.
1678         (gcc_type_for_interval): Same.
1679
1680 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         PR middle-end/43519
1683         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1684         POINTER_PLUS_EXPR for pointer types.
1685
1686         * gcc.dg/graphite/id-19.c: New.
1687
1688 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         PR middle-end/43519
1691         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1692         * graphite-clast-to-gimple.c: Include langhooks.h.
1693         (max_signed_precision_type): New.
1694         (max_precision_type): Takes two types as arguments.
1695         (precision_for_value): New.
1696         (precision_for_interval): New.
1697         (gcc_type_for_interval): New.
1698         (gcc_type_for_value): New.
1699         (gcc_type_for_clast_term): New.
1700         (gcc_type_for_clast_red): New.
1701         (gcc_type_for_clast_bin): New.
1702         (gcc_type_for_clast_expr): Split up into several functions.
1703         (gcc_type_for_clast_eq): Rewritten.
1704         (compute_bounds_for_level): New.
1705         (compute_type_for_level_1): New.
1706         (compute_type_for_level): New.
1707         (gcc_type_for_cloog_iv): Removed.
1708         (gcc_type_for_iv_of_clast_loop): Rewritten.
1709         (graphite_create_new_loop): Compute the lower and upper bound types
1710         with gcc_type_for_clast_expr.
1711         (graphite_create_new_loop_guard): Same.
1712         (find_cloog_iv_in_expr): Removed.
1713         (compute_cloog_iv_types_1): Removed.
1714         (compute_cloog_iv_types): Removed.
1715         (gloog): Do not call compute_cloog_iv_types.
1716         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1717         GBB_CLOOG_IV_TYPES.
1718         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1719         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1720         (GBB_CLOOG_IV_TYPES): Removed.
1721
1722         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1723
1724 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         Reverted this commit: as at this point the loop closed SSA form
1727         is under a canonical form respecting the single argument condition.
1728         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1729         close phi nodes may have more than one argument.
1730
1731 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1732
1733         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1734         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1735         (detect_commutative_reduction): Same.
1736
1737 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1740         close phi nodes may have more than one argument.
1741
1742 2010-03-30  Richard Guenther  <rguenther@suse.de>
1743             Zdenek Dvorak  <ook@ucw.cz>
1744             Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         PR middle-end/43464
1747         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1748         with multiple arguments.
1749         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1750
1751 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-dependences.c (print_pddr): Call print_pdr with an
1754         extra argument.
1755         * graphite-poly.c (debug_pdr): Add an extra argument for the
1756         verbosity level.
1757         (print_pdr): Same.
1758         (print_pbb_domain): Same.
1759         (print_pbb): Same.
1760         (print_scop_context): Same.
1761         (print_scop): Same.
1762         (print_cloog): Same.
1763         (debug_pbb_domain): Same.
1764         (debug_pbb): Same.
1765         (print_pdrs): Same.
1766         (debug_pdrs): Same.
1767         (debug_scop_context): Same.
1768         (debug_scop): Same.
1769         (debug_cloog): Same.
1770         (print_scop_params): Same.
1771         (debug_scop_params): Same.
1772         (print_iteration_domain): Same.
1773         (print_iteration_domains): Same.
1774         (debug_iteration_domain): Same.
1775         (debug_iteration_domains): Same.
1776         (print_scattering_function): Same.
1777         (print_scattering_functions): Same.
1778         (debug_scattering_function): Same.
1779         (debug_scattering_functions): Same.
1780         * graphite-poly.h (debug_pdr): Update declaration.
1781         (print_pdr): Same.
1782         (print_pbb_domain): Same.
1783         (print_pbb): Same.
1784         (print_scop_context): Same.
1785         (print_scop): Same.
1786         (print_cloog): Same.
1787         (debug_pbb_domain): Same.
1788         (debug_pbb): Same.
1789         (print_pdrs): Same.
1790         (debug_pdrs): Same.
1791         (debug_scop_context): Same.
1792         (debug_scop): Same.
1793         (debug_cloog): Same.
1794         (print_scop_params): Same.
1795         (debug_scop_params): Same.
1796         (print_iteration_domain): Same.
1797         (print_iteration_domains): Same.
1798         (debug_iteration_domain): Same.
1799         (debug_iteration_domains): Same.
1800         (print_scattering_function): Same.
1801         (print_scattering_functions): Same.
1802         (debug_scattering_function): Same.
1803         (debug_scattering_functions): Same.
1804
1805 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-poly.c (print_scattering_function_1): New.
1808         (print_scattering_function): Call it.
1809         (print_scop_params): Remove spaces at the end of lines.
1810         (print_cloog): New.
1811         (debug_cloog): New.
1812         * graphite-poly.h (print_cloog): Declared.
1813         (debug_cloog): Declared.
1814
1815 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * tree-ssa-copy.c: Revert this previous change:
1818         (init_copy_prop): Loop closed phi nodes cancontain more than one
1819         argument.
1820         (execute_copy_prop): Revert the previous change: do not call
1821         rewrite_into_loop_closed_ssa.
1822
1823 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1824             Richard Guenther  <rguenther@suse.de>
1825
1826         PR middle-end/43464
1827         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1828         contain more than one argument.
1829         (execute_copy_prop): Revert the previous change: do not call
1830         rewrite_into_loop_closed_ssa.
1831
1832         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1833         * gcc.dg/graphite/id-pr43464-1.c: New.
1834
1835 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         PR middle-end/43464
1838         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1839         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1840
1841         * gcc.dg/graphite/id-pr43464.c: New.
1842
1843 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1846         in loop->header.
1847         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1848         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1849         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1850         to switch between adding the IV bump in loop->latch or in loop->header.
1851
1852 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1853
1854         * passes.c (init_optimization_passes): Add pass_copy_prop
1855         after Graphite.
1856
1857 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-poly.c (print_scattering_function): Pretty print following
1860         the scoplib format.
1861         (print_pdr): Same.
1862         (print_pbb_domain): Same.
1863         (dump_gbb_cases): Same.
1864         (dump_gbb_conditions): Same.
1865         (print_pdrs): Same.
1866         (print_pbb): Same.
1867         (print_scop_params): Same.
1868         (print_scop_context): Same.
1869         (print_scop): Same.
1870         (print_pbb_body): New.
1871         (lst_indent_to): New.
1872         (print_lst): Start new lines with a #.
1873         * graphite-poly.h (pbb_bb): New.
1874         (pbb_index): Use pbb_bb.
1875         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1876         disjuncts.
1877         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1878
1879 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1880
1881         PR middle-end/43351
1882         * gcc.dg/graphite/id-pr43351.c
1883
1884 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         PR middle-end/43354
1887         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1888         call insert_out_of_ssa_copy for default definitions.
1889         * gfortran.dg/graphite/id-pr43354.f: New.
1890
1891 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         PR middle-end/43349
1894         * gfortran.dg/graphite/pr43349.f: New.
1895
1896 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         * graphite-clast-to-gimple.c (my_long_long): Defined.
1899         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1900         * graphite-sese-to-poly.c (my_long_long): Defined.
1901         (scop_ivs_can_be_represented): Use it.
1902
1903 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1906         graphite-max-bbs-per-function, and loop-block-tile-size.
1907         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1908         with "maximum".
1909         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1910
1911 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1914         forward declaration.
1915         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1916         (add_upper_bounds_from_estimated_nit): New.
1917         (build_loop_iteration_domains): Use it.
1918
1919 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1920
1921         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1922
1923 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         PR middle-end/43306
1926         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1927         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1928         * gcc.dg/graphite/pr43306.c: New.
1929
1930 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1931
1932         * graphite.c (graphite_initialize): To bound the number of bbs per
1933         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1934         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1935         * doc/invoke.texi: Document it.
1936
1937 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1938
1939         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1940         * graphite-sese-to-poly.h (build_poly_scop): Same.
1941
1942 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1943
1944         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1945         the number of parameters in the scop.  Use as an upper bound
1946         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1947         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1948         * doc/invoke.texi: Document it.
1949
1950 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * graphite-sese-to-poly.c (add_param_constraints): Use
1953         lower_bound_in_type and upper_bound_in_type.
1954
1955 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1956
1957         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1958         instead of unsigned_type_node.
1959
1960 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1961             Reza Yazdani  <reza.yazdani@amd.com>
1962
1963         PR middle-end/43065
1964         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1965         on pointer type parameters.
1966
1967         * gcc.dg/graphite/run-id-4.c: New.
1968
1969 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1970
1971         PR middle-end/43065
1972         * gcc.dg/graphite/run-id-3.c: New.
1973
1974 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1975             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1976
1977         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1978         handle conversions from pointer to integers.
1979         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1980         induction variable, to be able to work with code generated by CLooG.
1981         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1982         (build_poly_scop): Bail out if we cannot codegen a loop.
1983
1984 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1985
1986         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1987         code generation with gloog_error.
1988
1989 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1990
1991         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1992         Call fold_convert on all the returned values.
1993         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1994         the type of the resulting expression.
1995
1996 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1997
1998         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1999         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2000         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2001
2002 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-dependences.c (map_into_dep_poly): Removed.
2005         (dependence_polyhedron_1): Use combine_context_id_scat.
2006
2007 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2008
2009         * graphite-poly.h (struct poly_scattering): Add layout documentation.
2010         (struct poly_bb): Same.
2011         (combine_context_id_scat): New.
2012
2013 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         PR middle-end/42326
2016         * sese.c (name_defined_in_loop_p): Return false for default
2017         definitions.
2018
2019         * gcc.dg/graphite/pr42326.c: New.
2020
2021 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2022
2023         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2024         and clean up the logic.
2025
2026 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2029         early return.
2030
2031 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2032
2033         PR middle-end/43083
2034         * graphite-scop-detection.c (create_single_exit_edge): Move
2035         the call to find_single_exit_edge to....
2036         (create_sese_edges): ...here.  Don't handle multiple edges
2037         exiting the function.
2038         (build_graphite_scops): Don't handle multiple edges
2039         exiting the function.
2040
2041         * gcc.dg/graphite/pr43083.c: New.
2042
2043 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2044
2045         PR middle-end/43097
2046         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2047         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2048
2049         * gfortran.dg/graphite/pr43097.f: New.
2050
2051 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2052             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2053
2054         PR middle-end/43140
2055         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
2056
2057 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2058
2059         PR middle-end/43026
2060         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2061
2062         * g++.dg/graphite/pr43026.C: New.
2063
2064 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2065
2066         * Merge from mainline (154736:156693).
2067
2068 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         PR middle-end/43012
2071         * gcc.dg/graphite/pr43012.c: New.
2072
2073 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
2076 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * g++.dg/graphite/pr42930.C: New.
2079
2080 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         PR middle-end/42930
2083         * graphite-scop-detection.c (graphite_can_represent_scev): Call
2084         graphite_can_represent_init for MULT_EXPR.
2085
2086 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         PR middle-end/42914
2089         PR middle-end/42530
2090         * graphite-sese-to-poly.c (remove_phi): New.
2091         (translate_scalar_reduction_to_array): Call remove_phi.
2092
2093         * gcc.dg/graphite/pr42530.c: New.
2094         * gcc.dg/graphite/pr42914.c: New.
2095
2096 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         PR middle-end/42771
2099         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2100         * graphite-clast-to-gimple.h (gloog): Update declaration.
2101         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2102         * graphite-poly.h (struct poly_bb): Add missing comments.
2103         (struct scop): Add poly_scop_p field.
2104         (POLY_SCOP_P): New.
2105         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2106         * graphite.c (graphite_transform_loops): Build the polyhedral
2107         representation for each scop before code generation.
2108         * sese.c (rename_variables_in_operand): Removed.
2109         (rename_variables_in_expr): Return the renamed expression.
2110         (rename_sese_parameters): New.
2111         * sese.h (rename_sese_parameters): Declared.
2112
2113         * gcc.dg/graphite/pr42771.c: New.
2114
2115 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
2118         return 0 from main.
2119         * gcc.dg/graphite/block-1.c: Same.
2120         * gcc.dg/graphite/block-3.c: Same.
2121         * gcc.dg/graphite/block-4.c: Same.
2122         * gcc.dg/graphite/block-5.c: Same.
2123         * gcc.dg/graphite/block-6.c: Same.
2124         * gcc.dg/graphite/block-7.c: Same.
2125         * gcc.dg/graphite/interchange-0.c: Same.
2126         * gcc.dg/graphite/interchange-1.c: Same.
2127         * gcc.dg/graphite/interchange-10.c: Same.
2128         * gcc.dg/graphite/interchange-11.c: Same.
2129         * gcc.dg/graphite/interchange-12.c: Same.
2130         * gcc.dg/graphite/interchange-2.c: Same.
2131         * gcc.dg/graphite/interchange-3.c: Same.
2132         * gcc.dg/graphite/interchange-4.c: Same.
2133         * gcc.dg/graphite/interchange-5.c: Same.
2134         * gcc.dg/graphite/interchange-6.c: Same.
2135         * gcc.dg/graphite/interchange-7.c: Same.
2136         * gcc.dg/graphite/interchange-8.c: Same.
2137         * gcc.dg/graphite/interchange-9.c: Same.
2138         * gcc.dg/graphite/interchange-mvt.c: Same.
2139
2140 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         * gfortran.dg/graphite/id-19.f: New.
2143         * gfortran.dg/graphite/pr14741.f90: New.
2144         * gfortran.dg/graphite/pr41924.f90: New.
2145         * gfortran.dg/graphite/run-id-2.f90: New.
2146
2147 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         PR middle-end/42988
2150         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2151         to unknown_dependence.
2152         (graphite_legal_transform_dr): Handle the unknown_dependence.
2153         (graphite_carried_dependence_level_k): Same.
2154
2155 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2158
2159 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2160             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2161
2162         PR middle-end/42637
2163         * graphite-dependences.c (build_lexicographical_constraint): Return
2164         a union of dependence polyhedra.
2165         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
2166
2167         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
2168         * gcc.dg/graphite/block-4.c: Same.
2169         * gcc.dg/graphite/block-7.c: Same.
2170         * gcc.dg/graphite/interchange-12.c: Same.
2171         * gcc.dg/graphite/interchange-mvt.c: Same.
2172         * gfortran.dg/graphite/interchange-1.f: XFAILed.
2173         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
2174         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
2175
2176 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
2179         the execution check to FAIL.  This testcase is miscompiled by Graphite
2180         and the check should be re-enabled.
2181         * gcc.dg/graphite/interchange-mvt.c: Same.
2182         * gcc.dg/graphite/block-0.c: Same.
2183         * gcc.dg/graphite/block-4.c: Same.
2184         * gcc.dg/graphite/block-7.c: Same.
2185
2186 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2187
2188         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
2189         * gcc.dg/graphite/scop-0.c: Fix spaces.
2190         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
2191         * gfortran.dg/graphite/block-2.f: Same.
2192         * gfortran.dg/graphite/block-3.f90: Same.
2193         * gfortran.dg/graphite/block-4.f90: Same.
2194         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
2195         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
2196
2197 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
2200         PDDR_ORIGINAL_SCATTERING_P.
2201         (pddr_is_empty): Rewritten.
2202         (print_dependence_polyhedron_layout): New.
2203         (print_pddr): New.
2204         (debug_pddr): New.
2205         (build_alias_set_powerset): Moved up.
2206         (poly_drs_may_alias_p): Moved up.
2207         (lexicographically_gt_p): Removed.
2208         (build_lexicographically_gt_constraint): Renamed
2209         build_lexicographical_constraint, reimplemented.
2210         (dependence_polyhedron_1): Simplified parameters.
2211         (dependence_polyhedron): Same.  Keep along empty PDDRs
2212         to make efficient use of the cache.
2213         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
2214         (graphite_legal_transform_dr): Rewritten.
2215         (graphite_legal_transform_bb): Pass fewer arguments to
2216         graphite_legal_transform_dr.
2217         (graphite_carried_dependence_level_k): Simplified implementation.
2218         (dot_original_deps_stmt_1): Call dependence_polyhedron.
2219         (dot_transformed_deps_stmt_1): Same.
2220         (dot_original_deps): Same.
2221         (dot_transformed_deps): Same.
2222         * graphite-dependences.h (struct poly_ddr): Added a new field
2223         original_scattering_p.
2224         (PDDR_ORIGINAL_SCATTERING_P): New.
2225         (print_pddr): Declared.
2226         (debug_pddr): Declared.
2227         * graphite-ppl.c: Clarify comment.
2228         * sese.h (print_gimple_bb): Removed unused declaration.
2229         (debug_gbb): Same.
2230
2231 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * g++.dg/graphite/graphite.exp: Rewritten.
2234         * gcc.dg/graphite/graphite.exp: Rewritten.
2235         * gfortran.dg/graphite/graphite.exp: Rewritten.
2236         * gcc.dg/graphite/block-0.c: Added runtime test.
2237         * gcc.dg/graphite/block-1.c: Same.
2238         * gcc.dg/graphite/block-3.c: Same.
2239         * gcc.dg/graphite/block-4.c: Same.
2240         * gcc.dg/graphite/block-5.c: Same.
2241         * gcc.dg/graphite/block-6.c: Same.
2242         * gcc.dg/graphite/block-7.c: Same.
2243         * gcc.dg/graphite/interchange-0.c: Same.
2244         * gcc.dg/graphite/interchange-1.c: Same.
2245         * gcc.dg/graphite/interchange-10.c: Same.
2246         * gcc.dg/graphite/interchange-11.c: Same.
2247         * gcc.dg/graphite/interchange-12.c: Same.
2248         * gcc.dg/graphite/interchange-2.c: Same.
2249         * gcc.dg/graphite/interchange-3.c: Same.
2250         * gcc.dg/graphite/interchange-4.c: Same.
2251         * gcc.dg/graphite/interchange-5.c: Same.
2252         * gcc.dg/graphite/interchange-6.c: Same.
2253         * gcc.dg/graphite/interchange-7.c: Same.
2254         * gcc.dg/graphite/interchange-8.c: Same.
2255         * gcc.dg/graphite/interchange-9.c: Same.
2256         * gcc.dg/graphite/interchange-mvt.c: Same.
2257         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
2258
2259 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2260
2261         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
2262           background.
2263
2264 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2265
2266         * common.opt: Add -fgraphite-cloog-opts.
2267         * graphite-clast-to-gimple.c (set_cloog_options): Same.
2268         * opts.c (decode_options): Same.
2269
2270 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2271
2272         * gcc.dg/graphite/id-17.c: New.
2273         * gcc.dg/graphite/pr41888.c: New.
2274         * gcc.dg/graphite/scop-22.c: New.
2275         * gfortran.dg/graphite/pr40982.f90: New.
2276
2277 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         * graphite-dependences.c: Clarify comments.
2280         (build_pddr): Add an extra parameter direction.
2281         (graphite_legal_transform_dr): Use build_pddr.
2282         (dot_original_deps_stmt_1): Update use of build_pddr.
2283         (dot_transformed_deps_stmt_1): Same.
2284         (dot_original_deps): Same.
2285         (dot_transformed_deps): Same.
2286
2287         * gcc.dg/graphite/interchange-12.c: New.
2288         * gcc.dg/graphite/block-7.c: New.
2289
2290 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2293         (pddr_transformed_scattering): Removed.
2294         (graphite_legal_transform_dr): Use build_pddr.
2295         (dot_original_deps_stmt_1): Same.
2296         (dot_transformed_deps_stmt_1): Same.
2297         (dot_original_deps): Same.
2298         (dot_transformed_deps): Same.
2299
2300 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2303         (build_lexicographically_gt_constraint): Same.
2304         (dependence_polyhedron_1): Same.
2305         (dependence_polyhedron): Same.
2306
2307 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2308
2309         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2310         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2311         (lexicographically_gt_p): Change type of direction to int.
2312         (build_lexicographically_gt_constraint): Same.
2313         (dependence_polyhedron_1): Same.
2314         (dependence_polyhedron): Same.
2315         (pddr_original_scattering): Use integers for direction.
2316         (pddr_transformed_scattering): Same.
2317         (graphite_legal_transform_dr): Same.
2318         (graphite_carried_dependence_level_k): Same.
2319
2320 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * graphite-dependences.c (build_pairwise_constraint): Renamed
2323         ppl_build_relation.  Moved...
2324         (dr_equality_constraints): Use ppl_build_relation.
2325         (build_pairwise_scheduling_equality): Same.
2326         (build_pairwise_scheduling_inequality): Same.
2327         * graphite-ppl.c (ppl_build_relation): ...here.
2328         * graphite-ppl.h (ppl_build_relation): Declared.
2329
2330 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2331
2332         PR middle-end/42681
2333         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2334         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2335         Set gloog_error when such an expression failed to be built.
2336         (translate_clast): Early return when gloog_error is set.
2337         (gloog): Clear gloog_error.  When gloog_error is set, call
2338         set_ifsese_condition to enable the original code.  Return the status
2339         of the code generation based on gloog_error.
2340         * sese.c (set_ifsese_condition): New.
2341         * sese.h (set_ifsese_condition): Declared.
2342
2343         * g++.dg/graphite/pr42681.C: New.
2344
2345 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         PR middle-end/42732
2348         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2349         rename_nb_iterations.
2350         * sese.c (rename_variables_in_operand): New.
2351         (rename_variables_in_expr): New.
2352         (rename_nb_iterations): New.
2353         (sese_adjust_liveout_phis): Update the rename_map.
2354         * sese.h (rename_nb_iterations): Declared.
2355         * tree-scalar-evolution.c (scev_reset_htab): New.
2356         (scev_reset): Call scev_reset_htab.
2357         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2358
2359         * gfortran.dg/graphite/pr42732.f: New.
2360
2361 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         PR middle-end/42393
2364         * graphite-clast-to-gimple.c: Fix formatting.
2365         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2366         (expr_defined_in_loop_p): New.
2367         (add_loop_exit_phis): Also handle full expressions: remove from
2368         the rename_map the expressions defined in the loop that we're closing.
2369
2370         * gfortran.dg/graphite/pr42393-1.f90: New.
2371         * gfortran.dg/graphite/pr42393.f90: Add new flags
2372         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2373         make this testcase useful in the Graphite branch.
2374
2375 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * graphite-scop-detection.c (exclude_component_ref): Removed.
2378         (is_simple_operand): Removed.
2379         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2380
2381 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         PR middle-end/42221
2384         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2385         the array indexing of ADDR_EXPRs.
2386
2387         * gcc.dg/graphite/pr42221.c: New.
2388
2389 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2390
2391         PR middle-end/42521
2392         * graphite.c (graphite_finalize): Call scev_reset.
2393         (graphite_transform_loops): Do not call scev_reset between the code
2394         generation of scops.
2395
2396         * gcc.dg/graphite/pr42521.c: New.
2397
2398 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2399
2400         * graphite-interchange.c (memory_stride_in_loop): Renamed
2401         pdr_stride_in_loop.
2402         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2403         (memory_strides_in_loop): Memoize the memory strides per loop.
2404         (lst_interchange_profitable_p): Do not initialize to zero the memory
2405         strides.
2406         * graphite-poly.h (struct lst): Add a field memory_strides.
2407         (LST_LOOP_MEMORY_STRIDES): New.
2408         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2409         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2410
2411 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2414         memory_strides_in_loop.  Gather memory strides on a whole loop.
2415         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2416         (lst_interchange_profitable_p): Removed.
2417         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2418
2419 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2420
2421         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2422         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2423         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2424         Remove context_loop and level.
2425
2426 2010-01-07  Richard Guenther  <rguenther@suse.de>
2427
2428         PR tree-optimization/42641
2429         * sese.c (rename_map_elt_info): Use the SSA name version, do
2430         not hash pointers.
2431
2432 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2435         blocked" only when both the strip mine and the interchange have
2436         been applied.
2437
2438         * gcc.dg/graphite/block-2.c: Removed.
2439         * gcc.dg/graphite/block-3.c: Add scan pattern.
2440         * gcc.dg/graphite/block-4.c: Same.
2441         * gcc.dg/graphite/block-5.c: Same.
2442         * gcc.dg/graphite/block-6.c: Same.
2443
2444 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2447         before allocating a new one.
2448         (copy_renames): Check that slot is not NULL.
2449         (mark_bb_with_pbb): Same.
2450         (compute_cloog_iv_types_1): Same.
2451         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2452         nest, and after LSTs.
2453         (lst_try_interchange_loops): Same.
2454
2455 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         PR middle-end/42178
2458         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2459         the before, nest, and after LSTs.
2460         (lst_try_interchange): Removed.
2461         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2462         were modified.
2463         (lst_interchange_select_outer): Apply interchange on the outer loop
2464         until there are no more changes in the inner loops.
2465
2466 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         Revert patch fixing PR middle-end/42221.
2469
2470 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         PR middle-end/42180
2473         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2474         GIMPLE_CALL.
2475
2476         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2477
2478 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         PR middle-end/42180
2481         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2482         that contain only one statement.
2483
2484         * gfortran.dg/graphite/pr42180.f90: New.
2485
2486 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2487
2488         PR middle-end/42393
2489         * gfortran.dg/graphite/pr42393.f90: New.
2490
2491 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         PR middle-end/42186
2494         * gfortran.dg/graphite/pr42186.f90: New.
2495
2496 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         PR middle-end/42205
2499         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2500         Insert the reduction copy in the same block as the phi node.
2501         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2502
2503         * gcc.dg/graphite/pr42205-1.c: New.
2504         * gcc.dg/graphite/pr42205-2.c: New.
2505
2506 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         PR middle-end/42221
2509         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2510         the array indexing of ADDR_EXPRs.
2511
2512         * gcc.dg/graphite/pr42221.c: New.
2513
2514 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         PR middle-end/42178
2517         PR middle-end/42334
2518         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2519         index.  Call lst_interchange_select_inner only once.
2520         (lst_interchange_select_inner): Update use of lst_try_interchange.
2521         (lst_interchange_select_outer): Update.
2522
2523 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         PR middle-end/42178
2526         PR middle-end/42334
2527         * graphite-interchange.c (lst_try_interchange): Do not increment the
2528         the OUTER index when there is no AFTER kernel.  Do not increment the
2529         OUTER index for after processing the AFTER kernel.
2530         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2531         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2532         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2533         (scop_do_interchange): Update use of lst_interchange_select_outer.
2534
2535         * gfortran.dg/graphite/graphite.exp
2536         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2537         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2538         the graphite dump file.
2539         * gfortran.dg/graphite/interchange-2.f: Same.
2540         * gfortran.dg/graphite/pr42334-1.f: New.
2541
2542 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2543
2544         PR middle-end/42178
2545         PR middle-end/42334
2546         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2547         that are empty.
2548         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2549         (lst_try_interchange): Reimplemented.
2550         (lst_interchange_select_inner): Same.
2551         (lst_do_interchange): Renamed lst_interchange_select_outer.
2552         Reimplemented.
2553         (scop_do_interchange): Update use of lst_interchange_select_outer.
2554
2555         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2556         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2557         * gcc.dg/graphite/pr42211.c: New.
2558         * gfortran.dg/graphite/pr42334.f90: New.
2559
2560 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2561
2562         PR middle-end/42181
2563         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2564         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2565
2566         * gfortran.dg/graphite/pr42181.f90: New.
2567
2568 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2569
2570         PR middle-end/42284
2571         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2572         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2573         (detect_commutative_reduction_arg): Simplified.
2574         (detect_commutative_reduction): Early return when the argument of
2575         the close phi is not of an SSA_NAME.
2576
2577         * gcc.dg/graphite/pr42284.c: New.
2578
2579 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2580
2581         * dbgcnt.def (graphite_scop): New counter.
2582         * graphite.c: Include dbgcnt.h
2583         (graphite_transform_loops): Use new counter to limit transformations.
2584
2585 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2586
2587         PR middle-end/42285
2588         * graphite-scop-detection.c (graphite_can_represent_init): Also
2589         handle more complex MULT_EXPRs containing parameters by recursion
2590         on the structure.
2591
2592         * gfortran.dg/graphite/pr42285.f90: New.
2593
2594 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2595
2596         * g++.dg/graphite/pr42130.C: Fix type.
2597
2598 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2599
2600         * g++.dg/graphite/pr42130.C: Correct testcase.
2601
2602 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2603
2604         * Merge from mainline (154493:154734).
2605
2606 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2607
2608         * Merge from mainline (151362:154491).
2609
2610 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2611
2612         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2613         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2614
2615 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2616
2617         PR middle-end/42130
2618         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2619         translate_clast_for_loop): New.
2620         (translate_clast_for): Add a condition around the loop, to do not
2621         execute loops with zero iterations.
2622         * g++.dg/graphite/pr42130.C: New.
2623         * gcc.dg/graphite/pr35356-2.c: Adapt.
2624
2625 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2626
2627         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2628         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2629         Remove context_loop and level.
2630
2631 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2632
2633         * graphite-clast-to-gimple.c (translate_clast_user,
2634         translate_clast_for, translate_clast_guard): Simplify and move common
2635         elements to translate_clast().
2636         (translate_clast): Simplify and get common elements.
2637
2638 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2639
2640         * graphite-clast-to-gimple.c (translate_clast_user,
2641         translate_clast_for, translate_clast_guard): Split out of
2642         translate_clast.
2643
2644 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2645
2646         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2647         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2648         debug_clast_name_indexes_1, debug_clast_name_indexes,
2649         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2650         (clast_name_to_gcc, clast_to_gcc_expression,
2651         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2652         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2653         graphite_create_guard_cond_expr, graphite_create_new_loop,
2654         translate_clast): Add params_index.
2655         (initialize_cloog_names): Create parameter strings from scratch, do
2656         not reference other strings.
2657         (create_params_index): New.
2658         (gloog): Initialize params_index.
2659         * graphite-scop-detection (free_scops_1): Removed.
2660         (limit_scops): Use normal free_scops.
2661         * graphite-sese-to-poly.c (save_var_names): Removed.
2662         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2663         and SESE_PARAMS_INDEX.
2664         * sese.c (new_sese, free_sese): Dito.
2665         * sese.h (struct sese): Remove params_index, params_names.
2666         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2667
2668 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         Revert the following patch from 2009-09-14:
2671         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2672         tree-scalar-evolution.h, and then tree-data-ref.h.
2673         * graphite-clast-to-gimple.c: Same.
2674         * graphite-dependences.c: Same.
2675         * graphite-interchange.c: Same.
2676         * graphite-poly.c: Same.
2677         * graphite-scop-detection.c: Same.
2678         * graphite-sese-to-poly.c: Same.
2679         * graphite.c: Same.
2680         * lambda-code.c: Same.
2681         * matrix-reorg.c: Same.
2682         * tree-data-ref.c: Same.
2683         * tree-if-conv.c: Same.
2684         * tree-loop-distribu: Same.: Same.
2685         * tree-loop-linear.c: Same.
2686         * tree-parloops.c: Same.
2687         * tree-predcom.c: Same.
2688         * tree-vect-patterns.c: Same.
2689
2690 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2691
2692         Revert patch from 2009-09-14.
2693         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2694         passes at -O1 and below.
2695
2696 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         PR middle-end/40281
2699         * gcc.dg/graphite/pr40281.c: New.
2700
2701         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2702         evolutions should not variate in inner loops.
2703
2704 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2705
2706         PR middle-end/42050
2707         * gfortran.dg/graphite/pr42050.f90: New.
2708
2709 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2710
2711         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2712         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2713
2714 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * graphite-blocking.c (scop_do_block): New.
2717         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2718         * graphite-poly.h (scop_do_block): Declared.
2719
2720 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2723         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2724         to transform depth into the time_depth before calling
2725         pbb_number_of_iterations_at_time.
2726         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2727         lst_depth.
2728
2729 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         Reverted the patch for "scattering permutations" from 2009-10-28.
2732
2733         * graphite-poly.c (print_permutation): New.
2734         (debug_permutation): New.
2735         (new_poly_bb): Initialize PBB_PERMUTATION.
2736         (free_poly_bb): Free PBB_PERMUTATION.
2737         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2738         (struct pbb_permutation_elt): New.
2739         (PBB_PERMUTATION_ELT_STRIDE): New.
2740         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2741         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2742         (new_pbb_permutation_elt): New.
2743         (pbb_permutation_elt_free): New.
2744         (struct poly_bb): Add field permutation.
2745         (PBB_PERMUTATION): New.
2746         (print_permutation): Declared.
2747         (debug_permutation): Declared.
2748
2749 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2750
2751         * graphite-interchange.c (build_partial_difference): New.
2752         (memory_stride_in_loop): Refactored the computation of
2753         equality constraints into build_partial_difference function.
2754         Added support for debugging stride computations.
2755
2756 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-clast-to-gimple.c (gloog): Free if_region,
2759         if_region->true_region, and if_region->region.
2760         * sese.c (if_region_set_false_region): Free if_region->false_region.
2761         (create_if_region_on_edge): Do not use GGC_NEW.
2762         (move_sese_in_condition): Remove useless initialization.
2763
2764 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2767         for the loops created by the loop distribution.  Do not modify the
2768         input LSTs.
2769         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2770         transformed schedule.  Call lst_update_scattering before data
2771         dependence analysis.
2772         (lst_try_interchange): Pass an extra parameter INDEX.
2773         (lst_do_interchange_1): New.
2774         (lst_do_interchange): Call lst_do_interchange_1.
2775         (scop_do_interchange): Call lst_update_scattering.
2776         * graphite-poly.c (apply_poly_transforms): Do not call
2777         lst_update_scattering.
2778         * graphite-poly.h (lst_pred): New.
2779         (lst_succ): New.
2780         (lst_find_first_pbb): Return NULL when not found.
2781         (lst_empty_p): New.
2782         (lst_insert_in_sequence): Allow LST1 to be NULL.
2783         (lst_replace): New.
2784         (lst_substitute_3): New.
2785         * gcc.dg/graphite/interchange-1.c: XFail.
2786         * gcc.dg/graphite/interchange-8.c: XFail.
2787         * gcc.dg/graphite/interchange-11.c: XFail.
2788
2789 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-interchange.c (lst_perfectly_nested_p): New.
2792         (lst_perfect_nestify): New.
2793         (lst_try_interchange_loops): Call store_lst_schedule,
2794         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2795         (scop_do_interchange): Avoid redundant legality test.
2796         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2797         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2798         * graphite-poly.h (psct_static_dim): New.
2799         (lst_dewey_number_at_depth): New.
2800         (lst_find_pbb): Restructured.
2801         (lst_find_first_pbb): Restructured.
2802         (lst_find_last_pbb): New.
2803         (lst_contains_p): New.
2804         (lst_contains_pbb): New.
2805         (lst_create_nest): New.
2806         (lst_remove_from_sequence): New.
2807         (pbb_update_scattering): New.
2808         (lst_update_scattering_under): New.
2809         (lst_update_scattering_seq): New.
2810         (lst_update_scattering): New.
2811         (lst_insert_in_sequence): New.
2812         (lst_distribute_lst): New.
2813         (lst_remove_all_before_including_pbb): New.
2814         (lst_remove_all_before_excluding_pbb): New.
2815
2816 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2819         get_loop_exit_edges.
2820
2821 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2824
2825 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2826
2827         * graphite-poly.c (print_permutation): New.
2828         (debug_permutation): New.
2829         (new_poly_bb): Initialize PBB_PERMUTATION.
2830         (free_poly_bb): Free PBB_PERMUTATION.
2831         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2832         (struct pbb_permutation_elt): New.
2833         (PBB_PERMUTATION_ELT_STRIDE): New.
2834         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2835         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2836         (new_pbb_permutation_elt): New.
2837         (pbb_permutation_elt_free): New.
2838         (struct poly_bb): Add field permutation.
2839         (PBB_PERMUTATION): New.
2840         (print_permutation): Declared.
2841         (debug_permutation): Declared.
2842
2843 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-clast-to-gimple.c (gloog): Do not call
2846         sese_reset_aux_in_loops.
2847         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2848         extra argument for domains.  Do not use loop->aux.
2849         (build_scop_iteration_domain): Initialize and free domains, pass it
2850         to build_loop_iteration_domains and extract the information from
2851         domains.  Do not use loop->aux.
2852         * sese.c (sese_reset_aux_in_loops): Removed.
2853         * sese.h (sese_reset_aux_in_loops): Removed.
2854
2855 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2858         (dependency_in_loop_p): Same.
2859         (translate_clast): Do not use loop->aux.  Initialize
2860         loop->can_be_parallel.
2861         (mark_loops_parallel): Removed.
2862         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2863         * graphite.c (free_aux_in_new_loops): Removed.
2864         (graphite_finalize): Do not call free_aux_in_new_loops.
2865         (graphite_transform_loops): Do not call mark_loops_parallel.
2866
2867 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2868
2869         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2870         (translate_clast): Pass an extra parameter LEVEL.
2871         Call get_scattering_level.
2872         * graphite-clast-to-gimple.h (get_scattering_level): New.
2873
2874 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2875
2876         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2877         * cfgloop.h (struct loop): New field single_iv.
2878
2879         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2880         loop->aux anymore: use loop->single_iv.
2881         (graphite_loop_normal_form): Moved...
2882         (build_graphite_loop_normal_form): Removed.
2883         (gloog): Do not call build_graphite_loop_normal_form.
2884         (free_aux_in_new_loops): Moved...
2885         (mark_loops_parallel): Restructure.
2886         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2887         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2888         (scop_canonicalize_loops): New.
2889         (build_poly_scop): Call scop_canonicalize_loops.
2890         * graphite.c (free_aux_in_new_loops): ...here.
2891
2892 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * g++.dg/graphite/graphite.exp: Add the same rules as in
2895         gcc.dg/graphite/graphite.exp.
2896
2897 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * g++.dg/graphite/id-1.C: New.
2900
2901 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2902
2903         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2904         argument base_name.
2905         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2906         (rewrite_phi_out_of_ssa): Same.
2907         (rewrite_cross_bb_scalar_deps): Same.
2908         (translate_scalar_reduction_to_array): Same.
2909
2910 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2911
2912         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2913         dump_alias_graphs.
2914
2915 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2916
2917         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2918         (build_scop_drs): Call dump_alias_graphs.
2919
2920 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2923         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2924         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2925         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2926         * graphite-poly.h (free_lst): New.
2927         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2928         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2929
2930 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2931
2932         * graphite-poly.h (struct scop): Add a field saved_schedule.
2933         (SCOP_SAVED_SCHEDULE): New.
2934         (store_lst_schedule): New.
2935         (restore_lst_schedule): New.
2936         (store_scattering): Call store_lst_schedule.
2937         (restore_scattering): Call restore_lst_schedule.
2938
2939 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2940
2941         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2942         (pdr_add_alias_set): Same.
2943         (build_poly_dr): Same.
2944         (build_alias_set_optimal_p): Same.
2945         (build_base_obj_set_for_drs): Same.  Do not store the result of
2946         graphds_dfs.
2947
2948 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2951         all_components_are_cliques to 1.
2952
2953 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2954
2955         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2956         the new structure.
2957         (pdr_add_alias_set): Update retrieving alias_set_num.
2958         (build_poly_dr): Update retrieving dr_base_object_set.
2959         (partition_drs_to_sets): Remove.
2960         (build_alias_set_optimal_p): New.
2961         (build_alias_set_for_drs): Rename.
2962         (build_scop_drs): Update.
2963         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2964         (ALIAS_SET_INDEX): Remove.
2965         (BASE_OBJECT_SET_INDEX): Remove.
2966
2967 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2968
2969         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2970
2971 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2974         loop upper bounds for 1-element arrays at end of structures.
2975         * tree-flow.h (array_at_struct_end_p): Declared.
2976         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2977
2978 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * g++.dg/graphite/pr41305.C: New.
2981
2982 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2983
2984         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2985         construction of parameter constraints from loop iteration analysis.
2986         * gcc.dg/graphite/run-id-2.c: New test.
2987
2988 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2989
2990         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2991         and new_cstr.
2992
2993 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2994
2995         * graphite-dependences.c (dependence_polyhedron_1): Remove
2996         unused gdim dimensions from the DDR polyhedron.
2997
2998 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         * graphite-dependences.c (pddr_transformed_scattering): New.
3001         (dot_original_deps_stmt_1): New.
3002         (dot_transformed_deps_stmt_1): New.
3003         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
3004         dot_transformed_deps_stmt_1.
3005         (dot_original_deps): New.
3006         (dot_transformed_deps): New.
3007         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
3008
3009 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * graphite-dependences.c (reduction_dr_1): Remove wrong
3012         assert: reduction BBs can have multiple reduction writes
3013         to memory.  interchange-3.f90 is an example.
3014
3015 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * gfortran.dg/graphite/interchange-3.f90: New.
3018
3019 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
3022
3023 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         * graphite-dependences.c (dependence_polyhedron_1): Add the
3026         context to the dependence polyhedron.
3027
3028 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3029
3030         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
3031         PBB_PDR_DUPLICATES_REMOVED.
3032         (new_poly_bb): Same.
3033
3034 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
3037         SCOP_CONTEXT.
3038         (build_loop_iteration_domains): Extract bounds on parameters
3039         based on the data size.
3040         (build_scop_context): Do not initialize SCOP_CONTEXT;
3041         add new constraints.
3042
3043 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3044
3045         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
3046         * graphite-ppl.h (graphite-ppl.h): Declared.
3047
3048 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3049
3050         * graphite-ppl.c (ppl_print_linear_expr): New.
3051         (debug_ppl_linear_expr): New.
3052         * graphite-ppl.h (ppl_print_linear_expr): Declared.
3053         (debug_ppl_linear_expr): Declared.
3054
3055 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * graphite-interchange.c: Fix comments.
3058         * gcc.dg/graphite/block-1.c: Fix comments.
3059
3060 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
3063         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
3064
3065 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3066
3067         Reapply the patch from Alexander Monakov that disappeared during
3068         the last merges from trunk.
3069
3070         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3071
3072         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3073         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3074
3075 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-interchange.c (memory_stride_in_loop): The depth
3078         argument corresponds to a dynamic time dimension, so use
3079         psct_dynamic_dim to refer to the transformed scattering dimension.
3080
3081 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
3084
3085 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
3088         root of the LST.
3089         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
3090         the root of the LST.
3091         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
3092         fake loop.
3093         (print_lst): Print the root of LST in a different format.
3094         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
3095
3096 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
3099
3100 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3101
3102         * doc/passes.texi: Document the Graphite infrastructure.
3103
3104 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
3107         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
3108         and check the SSA representation.
3109
3110         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
3111
3112 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
3115
3116 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3117
3118         * gcc.dg/graphite/interchange-11.c: New.
3119
3120 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3121
3122         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
3123
3124 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3127         Add -fno-loop-strip-mine and -fno-loop-interchange.
3128         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
3129         -fno-loop-strip-mine.
3130         * gfortran.dg/graphite/graphite.exp: Same.
3131
3132 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3133
3134         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3135         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
3136         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
3137         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
3138         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
3139         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
3140         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
3141         DEFAULT_FLAGS_GRAPHITE_SCOP.
3142         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
3143         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
3144
3145 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
3148
3149 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3150             Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         * graphite-interchange.c (build_linearized_memory_access): Pass an
3153         offset as parameter.
3154         (memory_stride_in_loop): Include transform scattering in the
3155         access functions to be able to querry the strides in the
3156         transformed loops.
3157         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
3158         not the psct_iterator_dim.
3159
3160 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-blocking.c (pbb_do_strip_mine): Removed.
3163         (lst_do_strip_mine_loop): New.
3164         (lst_do_strip_mine): New.
3165         (scop_do_strip_mine): Call lst_do_strip_mine.
3166         * graphite-poly.h (lst_add_loop_under_loop): New.
3167         (lst_find_first_pbb): New.
3168
3169 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * graphite-poly.c (loop_to_lst): Fix LST creation.
3172
3173 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3174
3175         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
3176         sizeof(unsigned long) to make it run on 32bit systems.
3177
3178 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3179
3180         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
3181         SEGFAULT on 32bit.
3182
3183 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
3184
3185         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
3186         Comment.
3187         (write_alias_graph_to_ascii_dot): New.
3188         (write_alias_graph_to_ascii_ecc): Ditto.
3189         (partition_drs_to_sets): Add testing of optimality of current method
3190         which assigns alias numbers according to DFS Comopnent number.  used
3191         as heuristic for the upcoming ECC algorithm.
3192         (build_scop_drs): Write to file also with the ecc and dot format.
3193
3194 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         * gfortran.dg/graphite/interchange-1.f: XFail.
3197
3198 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3199
3200         * graphite.c (graphite_initialize): Do not handle functions with
3201         more than 100 basic blocks.
3202
3203 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite-blocking.c (pbb_do_strip_mine): Use
3206         PARAM_LOOP_BLOCK_TILE_SIZE.
3207
3208 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite-poly.c (dot_lst_1): New.
3211         (dot_lst): New.
3212         * graphite-poly.h (dot_lst): Declared.
3213
3214 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * graphite-dependences.c (dot_deps_stmt_1): New.
3217         (dot_deps_stmt): New.
3218         * graphite-dependences.h (dot_deps_stmt): Declared.
3219
3220 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
3223         not replace cross BB scalar dependences ending on PHI nodes.
3224         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
3225
3226 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-poly.c (apply_poly_transforms): Implement the high
3229         level driver for flag_loop_block.
3230         * opts.c (decode_options): Enable flag_loop_block at -O2.
3231         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
3232         flag_loop_block.
3233
3234         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
3235         -floop-block.
3236         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3237         Add -floop-block.
3238
3239 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         * graphite-poly.h (lst_find_pbb): New.
3242         (find_lst_loop): New.
3243
3244 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
3247         * graphite-poly.h (struct scop): Remove dep_graph field.
3248         (SCOP_DEP_GRAPH): Removed.
3249
3250 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-poly.h (copy_lst): Do full copy of LST.
3253
3254 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
3257         when the loop stride is zero.
3258
3259         * gcc.dg/graphite/id-16.c: New.
3260
3261 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite-dependences.c (reduction_dr_1): New.
3264         (reduction_dr_p): New.
3265         (graphite_legal_transform_dr): Call reduction_dr_p.
3266         (reduction_ddr): Renamed reduction_ddr_p.
3267         * graphite-poly.h (same_pdr_p): New.
3268         (number_of_write_pdrs): New.
3269         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3270         (split_reduction_stmt): Do not split reduction statements
3271         when there are no writes to memory.
3272         (translate_scalar_reduction_to_array_for_stmt): Insert the
3273         memory reduction statement just after the scalar reduction statement.
3274
3275         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3276         Un-XFAIL-ed.
3277         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3278         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3279
3280 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * graphite-interchange.c (lst_apply_interchange): New.
3283         (lst_interchange_profitable_p): New.
3284         (lst_try_interchange_loops): New.
3285         (lst_try_interchange): New.
3286         (lst_do_interchange): New.
3287         (pbb_do_interchange): Removed.
3288         (scop_do_interchange): Call lst_do_interchange.
3289
3290 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3293         SCOP_TRANSFORMED_SCHEDULE.
3294         (loop_to_lst): New.
3295         (scop_to_lst): New.
3296         (print_lst): New.
3297         (debug_lst): New.
3298         * graphite-poly.h (lst_p): New.
3299         (struct lst): New.
3300         (LST_LOOP_P): New.
3301         (LST_LOOP_FATHER): New.
3302         (LST_PBB): New.
3303         (LST_SEQ): New.
3304         (scop_to_lst): Declared.
3305         (print_lst): Declared.
3306         (debug_lst): Declared.
3307         (new_lst_loop): New.
3308         (new_lst_stmt): New.
3309         (copy_lst): New.
3310         (lst_depth): New.
3311         (lst_dewey_number): New.
3312         (struct scop): Add original_schedule and transformed_schedule fields.
3313         (SCOP_ORIGINAL_SCHEDULE): New.
3314         (SCOP_TRANSFORMED_SCHEDULE): New.
3315         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3316
3317 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         * graphite-dependences.c (reduction_ddr): New.
3320         (graphite_legal_transform_bb): Call reduction_ddr.
3321         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3322         Initialize PBB_IS_REDUCTION.
3323         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3324         (PBB_IS_REDUCTION): New.
3325         (new_poly_bb): Update declaration.
3326         * graphite-scop-detection.h (build_scop_bbs): Removed.
3327         (nb_reductions_in_loop): Removed.
3328         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3329         parameter for reductions.
3330         (try_generate_gimple_bb): Update call to new_poly_bb.
3331         (build_scop_bbs_1): Same.
3332         (build_scop_bbs): Same.
3333         (gsi_for_phi_node): New.
3334         (scalar_close_phi_node_p): Remove gcc_assert.
3335         (split_reduction_stmt): New.
3336         (is_reduction_operation_p): New.
3337         (phi_contains_arg): New.
3338         (follow_ssa_with_commutative_ops): New.
3339         (detect_commutative_reduction_arg): New.
3340         (detect_commutative_reduction_assign): New.
3341         (follow_inital_value_to_phi): New.
3342         (edge_initial_value_for_loop_phi): New.
3343         (initial_value_for_loop_phi): New.
3344         (detect_commutative_reduction): New.
3345         (translate_scalar_reduction_to_array_for_stmt): New.
3346         (insert_copyout): New.
3347         (insert_copyin): New.
3348         (translate_scalar_reduction_to_array): New.
3349         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3350         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3351         (rewrite_commutative_reductions_out_of_ssa): New.
3352         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3353         * sese.h (split_region_for_bb): New.
3354
3355         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3356         * gcc.dg/graphite/interchange-1.c: Fix format.
3357         * gcc.dg/graphite/interchange-10.c: New.
3358
3359 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3362         buggy assert.
3363
3364 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3365
3366         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3367         (rewrite_cross_bb_scalar_dependence): New.
3368         (rewrite_cross_bb_scalar_deps): New.
3369         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3370         Call rewrite_cross_bb_scalar_deps.
3371
3372 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3375         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3376         gsi_for_stmt.
3377
3378 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3381         * graphite-interchange.c (pbb_do_interchange): Same.
3382         * graphite-poly.c (print_scattering_function): Same.
3383         (debug_pdrs): Same.
3384         * graphite-poly.h (pbb_loop): New.
3385         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3386
3387 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3390
3391 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3394         so don't pass a pointer to it.
3395         (build_alias_set_for_drs): Same.
3396         (build_base_obj_set_for_drs): Same.
3397         (build_scop_drs): Same.
3398
3399 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3400
3401         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3402         the alias graph of data references.
3403
3404 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3405
3406         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3407         (build_scop_drs): When debugging, write the alias graph to file,
3408         otherwise, should be disabled.
3409
3410 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * Merge from mainline (151310:151361).
3413
3414 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3415
3416         * Merge from mainline (151171:151310).
3417
3418 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * Merge from mainline (151171:151806).
3421
3422 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         * Revert the last commit.
3425
3426 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * Merge from mainline (151171:151819).
3429
3430 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3431
3432         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3433         (is_simple_operand): Remove call to stmt_simple_memref_p.
3434         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3435
3436 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3437
3438         * gcc.dg/graphite/interchange-mvt.c: New File.
3439         * gcc.dg/graphite/scop-dsyrk.c: New File.
3440         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3441         * gcc.dg/graphite/scop-mvt.c: New File.
3442         * gcc.dg/graphite/scop-sor.c: New File.
3443
3444 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3445
3446         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3447         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3448         (graphite_carried_dependence_level_k): Ditto.
3449         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3450         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3451         (new_poly_dr): Adjust declaration.
3452         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3453         (free_gimple_bb): Added free_data_refs_aux.
3454         (build_poly_dr): Add dr_base_object_set.
3455         (partition_drs_to_sets): New.
3456         (dr_same_base_object_p): New.
3457         (build_alias_set_for_drs): New.
3458         (build_base_object_set_for_drs): New.
3459         (build_scop_drs): Add build_base_obj_set_for_drs.
3460         * graphite-sese-to-poly.h: Added #define for alias set number index and
3461         base object set index.
3462         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3463         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3464
3465 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3466
3467         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3468         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3469
3470 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite-sese-to-poly.c (struct irp_data): Removed.
3473         (idx_record_params): Removed.
3474         (find_params_in_bb): Scan for parameters the access functions; don't
3475         parse the tree representation.
3476
3477 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3480         passes at -O1 and below.
3481
3482 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3483
3484         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3485         tree-scalar-evolution.h, and then tree-data-ref.h.
3486         * graphite-clast-to-gimple.c: Same.
3487         * graphite-dependences.c: Same.
3488         * graphite-interchange.c: Same.
3489         * graphite-poly.c: Same.
3490         * graphite-scop-detection.c: Same.
3491         * graphite-sese-to-poly.c: Same.
3492         * graphite.c: Same.
3493         * lambda-code.c: Same.
3494         * matrix-reorg.c: Same.
3495         * tree-data-ref.c: Same.
3496         * tree-if-conv.c: Same.
3497         * tree-loop-distribu: Same.: Same.
3498         * tree-loop-linear.c: Same.
3499         * tree-parloops.c: Same.
3500         * tree-predcom.c: Same.
3501         * tree-vect-patterns.c: Same.
3502
3503 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         Partially revert the previous patch, except the following.
3506         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3507         as parameters the operands of the not expression.
3508
3509 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3510
3511         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3512         Do not call analyze_scalar_evolution on assignments.
3513         (instantiate_scev_phi): Call analyze_scalar_evolution.
3514         (instantiate_scev_name): Call instantiate_scev_assign and
3515         instantiate_scev_phi.
3516         (instantiate_scev_not): Adapted to pass as parameters the operands
3517         of the not expression.
3518
3519 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3522         to pass as parameters the operands of the binary expression.
3523
3524 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3527         instantiate_scev_not.  Handle NEGATE_EXPR.
3528         (instantiate_scev_r): Handle NEGATE_EXPR.
3529
3530 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3533         instantiate_scev_r.
3534         (instantiate_scev_r): Move code in instantiate_scev_2
3535         and instantiate_scev_1.
3536
3537 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3538
3539         * tree-scalar-evolution.c (instantiate_scev_3): New.
3540         (instantiate_scev_1): Move code in instantiate_scev_3.
3541
3542 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3545         (instantiate_scev_1): Move code in instantiate_scev_poly.
3546
3547 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3548
3549         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3550         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3551
3552 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3555         (instantiate_scev_1): Move code in instantiate_scev_convert.
3556
3557 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3560         (instantiate_scev_1): Move code in instantiate_scev_binary.
3561
3562 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * tree-scalar-evolution.c (instantiate_scev_name): New.
3565         (instantiate_scev_1): Move code in instantiate_scev_name.
3566
3567 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3568
3569         * Merge from mainline (150992:151171).
3570
3571 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3572
3573         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3574
3575 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3576
3577         * graphite-dependences.c (graphite_legal_transform_bb): Call
3578         pbb_remove_duplicate_pdrs.
3579         * graphite-poly.c (can_collapse_pdr): Removed.
3580         (pdr_find_duplicate): Removed.
3581         (can_collapse_pdrs): New.
3582         (pbb_remove_duplicate_pdrs): New.
3583         (new_poly_dr): Do not look for duplicates.
3584         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3585         (PBB_PDR_DUPLICATES_REMOVED): New.
3586         (pbb_remove_duplicate_pdrs): Declared.
3587
3588 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3589
3590         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3591         the strides by multiplying by PDR_NB_REFS.
3592         * graphite-poly.c (can_collapse_pdr): New.
3593         (pdr_find_duplicate): New.
3594         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3595         Initialize PDR_NB_REFS.
3596         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3597         (PDR_NB_REFS): New.
3598         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3599
3600 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3601
3602         Revert one of the previous commits:
3603         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3604         the computation of symmetric data dependence relations.
3605         (dependency_between_pbbs_p): Same.
3606
3607 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         PR middle-end/40965
3610         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3611         any transform.
3612
3613 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3614
3615         * graphite-dependences.c (pddr_original_scattering): Return NULL
3616         for read-read dependence relations.
3617         * graphite-poly.h (enum poly_dr_type): Fix comment.
3618         (pdr_read_p): New.
3619         (pdr_write_p): New.
3620         (pdr_may_write_p): New.
3621
3622 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3623
3624         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3625         (struct poly_dr): Same.
3626         (new_poly_dr): Same.
3627         * graphite-poly.c (new_poly_dr): Same.
3628
3629 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3630             Sebastian Pop  <sebastian.pop@amd.com>
3631
3632         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3633         pbb_strip_mine_time_depth.  Changed the implementation so that
3634         transformation is expressed as a transformation on
3635         time (scatttering) dimensions.  Also, ensures that the 2d+1
3636         scheduling format is preserved.
3637         (pbb_strip_mine_profitable_p): Profitability is based on the
3638         iteration number of a given time (scattering) dimension,
3639         and not on a original loop depth dimension.
3640         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3641         (pbb_do_strip_mine): Call psct_dynamic_dim.
3642         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3643         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3644         (pbb_nb_dynamic_scattering_transform): New.
3645         (psct_dynamic_dim): New.
3646
3647 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3648
3649         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3650         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3651         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3652         * graphite-interchange.c (build_linearized_memory_access): Same.
3653         (memory_stride_in_loop): Same.
3654
3655 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3656
3657         * graphite-dependences.c (pddr_original_scattering): New.
3658         (graphite_legal_transform_dr): Call pddr_original_scattering.
3659         (dot_deps_1): New.
3660         (dot_deps): New.
3661         * graphite-dependences.h (dot_deps): Declared.
3662         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3663         (print_pdr): Print PDR_ID.
3664         * graphite-poly.h (struct poly_dr): Add field id.
3665         (PDR_ID): New.
3666         (pbb_index): New.
3667         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3668
3669 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3670
3671         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3672         not delete the original dependence relation.
3673
3674 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3675
3676         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3677         the computation of symmetric data dependence relations.
3678         (dependency_between_pbbs_p): Same.
3679
3680 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3683         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3684         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3685         (free_poly_ddr): New.
3686         (pddr_is_empty): New.
3687         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3688         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3689         Remove fprintfs.
3690         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3691         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3692         * graphite-dependences.h (enum poly_dependence_kind): New.
3693         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3694         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3695         (PDRP_SINK): Renamed PDDR_SINK.
3696         (PDRP_DDP): Renamed PDDR_DDP.
3697         (PDDR_KIND): New.
3698         (free_poly_ddr): Declared.
3699         * graphite-poly.c (new_scop): Use the new hash function names.
3700         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3701         into original_pddrs.
3702         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3703
3704 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * Merge from mainline (150764:150992).
3707
3708 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3709
3710         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3711         bounds with LT_EXPR to make niter analysis more precise on code
3712         generated by Graphite.
3713
3714 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3715
3716         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3717         (graphite_legal_transform_bb): Same.
3718         (poly_drs_may_alias_p): Same.
3719
3720 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3721
3722         PR middle-end/40981
3723         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3724         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3725
3726 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * graphite-poly.c (print_pbb): Print PBB index.
3729
3730 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3731
3732         * Merge from mainline (r150672:150764).
3733
3734 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         * graphite-interchange.c (ppl_max_for_le): Moved...
3737         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3738         * graphite-ppl.c (ppl_max_for_le): ... here.
3739         * graphite-ppl.h (ppl_max_for_le): Declared.
3740
3741 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         * Merge from mainline (r150372:150672).
3744
3745 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3746
3747         PR middle-end/40980
3748         * sese.c (convert_for_phi_arg): New.
3749         (add_guard_exit_phis): Use convert_for_phi_arg.
3750
3751         * gfortran.dg/graphite/id-17.f: New.
3752
3753 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3754
3755         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3756         unknown subscript upper bounds.
3757
3758         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3759
3760 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3761             Pranav Garg  <pranav.garg2107@gmail.com>
3762
3763         * graphite-interchange.c (gather_access_strides): Removed.
3764         (ppl_max_for_le): New.
3765         (build_linearized_memory_access): New.
3766         (memory_stride_in_loop): New.
3767         (pbb_interchange_profitable_p): Reimplemented.
3768         * graphite-ppl.h (ppl_new_id_map): New.
3769         (ppl_interchange): New.
3770
3771         * gcc.dg/graphite/interchange-6.c: XFAILed.
3772
3773 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         * graphite-interchange.c (compute_subscript): Removed.
3776         (compute_array_size_cstr): Removed.
3777         (compute_array_size_poly): Removed.
3778         (compute_array_size): Removed.
3779         (gather_access_strides_poly): Removed.
3780         (gather_access_strides): Empty.
3781
3782 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3783
3784         * graphite-dependences.c (dependence_polyhedron_1): Replace
3785         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3786         (graphite_legal_transform_dr): Same.
3787         (graphite_carried_dependence_level_k): Same.
3788         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3789         Initialize PDR_NB_SUBSCRIPTS.
3790         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3791         PDR_NB_SUBSCRIPTS.
3792         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3793         (PDR_NB_SUBSCRIPTS): New.
3794         (pdr_nb_subscripts): Removed.
3795         (pdr_dim): Simplified.
3796         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3797         with PDR_NB_SUBSCRIPTS.
3798
3799 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * graphite-interchange.c (compute_array_size): Remove use of
3802         PDR_DATA_CONTAINER.
3803         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3804         Do not initialize PDR_DATA_CONTAINER.
3805         (print_pdr): Do not print PDR_DATA_CONTAINER.
3806         * graphite-poly.h (struct poly_dr): Remove data_container field.
3807         (PDR_DATA_CONTAINER): Removed.
3808         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3809         PDR_DATA_CONTAINER.
3810         (build_poly_dr): Same.
3811
3812 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * gcc.dg/graphite/interchange-9.c: New.
3815
3816 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3817             Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3820         copy of the dependence polyhedron.  Free the temporary objects.
3821         (graphite_carried_dependence_level_k): Free unused objects before
3822         returning.
3823
3824         * gcc.dg/graphite/interchange-1.c: XFAILed.
3825         * gcc.dg/graphite/interchange-2.c: XFAILed.
3826         * gcc.dg/graphite/interchange-3.c: XFAILed.
3827         * gcc.dg/graphite/interchange-4.c: XFAILed.
3828         * gcc.dg/graphite/interchange-7.c: XFAILed.
3829
3830 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3833         Early return without analyzing the data dependences if no
3834         transform has been done.  Call restore_scattering if the transform
3835         is not legal.
3836         (graphite-interchange.c): Same.
3837         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3838         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3839         (apply_poly_transforms): Do not gcc_assert that
3840         the transform is legal.
3841         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3842         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3843         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3844         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3845         * graphite-poly.h (struct poly_scattering): New.
3846         (struct poly_bb): Add original, transformed, and saved fields.
3847         Remove transformed_scattering, original_scattering, nb_local_variables,
3848         and nb_scattering_transform fields.
3849         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3850         (poly_scattering_new): New.
3851         (poly_scattering_free): New.
3852         (poly_scattering_copy): New.
3853         (store_scattering_pbb): New.
3854         (store_scattering): New.
3855         (restore_scattering_pbb): New.
3856         (restore_scattering): New.
3857         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3858         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3859
3860 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3861
3862         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3863         (print_scop): Same.
3864
3865 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * Makefile.in (graphite.o): Depends on PREDICT_H.
3868         * graphite.c: Include predict.h.
3869         (graphite_finalize): Call tree_estimate_probability.
3870         * predict.c (predict_loops): Do not call scev_initialize and
3871         scev_finalize.
3872         (tree_estimate_probability_bb): New.
3873         (tree_estimate_probability): Do not initialize loops: move that
3874         code to the driver.  Call tree_estimate_probability_bb.
3875         (tree_estimate_probability_driver): New.
3876         (pass_profile): Use tree_estimate_probability_driver.
3877         * predict.h (tree_estimate_probability): Declared.
3878
3879 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3882         * graphite-dependences.c (graphite_legal_transform): Add time to
3883         TV_GRAPHITE_DATA_DEPS.
3884         (dependency_between_pbbs_p): Same.
3885         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3886
3887 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         * Merge from mainline (r149952:150372).
3890
3891 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3892
3893         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3894         * graphite-blocking.c: Same.
3895         * graphite-clast-to-gimple.c: Same.
3896         * graphite-dependences.c: Same.
3897         * graphite-poly.c: Same.
3898         * graphite-poly.h: Same.
3899         * graphite-ppl.c: Same.
3900         * graphite-scop-detection.c: Same.
3901         * graphite-sese-to-poly.c: Same.
3902         * graphite.c: Same.
3903
3904 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3907         (remove_simple_copy_phi): New.
3908         (remove_invariant_phi): New.
3909         (simple_copy_phi_p): New.
3910         (reduction_phi_p): New.
3911         (gsi_for_ssa_name_def): New.
3912         (insert_out_of_ssa_copy): New.
3913         (insert_out_of_ssa_copy_on_edge): New.
3914         (create_zero_dim_array): New.
3915         (scalar_close_phi_node_p): New.
3916         (rewrite_close_phi_out_of_ssa): New.
3917         (rewrite_phi_out_of_ssa): New.
3918         (rewrite_reductions_out_of_ssa): New.
3919         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3920
3921         * gcc.dg/graphite/id-11.c: New.
3922         * gcc.dg/graphite/id-15.c: New.
3923         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3924         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3925         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3926         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3927         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3928         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3929         * gfortran.dg/graphite/id-13.f: New.
3930         * gfortran.dg/graphite/id-5.f: New.
3931
3932 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3933
3934         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3935         check that nb_reductions_in_loop is zero.
3936         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3937         reduction phi nodes.
3938         (nb_reductions_in_loop): Removed.
3939         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3940         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3941         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3942         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3943         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3944
3945 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3948         statements that have an empty iteration domain.
3949         * gfortran.dg/graphite/id-16.f: New.
3950
3951 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3952
3953         * tree-scalar-evolution.c (instantiate_scev_1): Return
3954         chrec_dont_know when the result is not above instantiate_below.
3955         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3956         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3957         the tree has a known scalar evolution.
3958         * gfortran.dg/graphite/id-14.f: New.
3959         * gfortran.dg/graphite/id-15.f: New.
3960
3961 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3962
3963         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3964         insert_gsi.
3965         (rename_variables): Keep inserting renames after the ones already
3966         inserted.
3967
3968 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3969
3970         * graphite-sese-to-poly.c (compare_bb_depths): New.
3971         (graphite_sort_dominated_info): New.
3972         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3973         (build_scop_scattering): Fix comment.
3974
3975 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3976
3977         * graphite.c (graphite_finalize): Call print_loops instead of
3978         dump_function_to_file.
3979         * gcc.dg/graphite/graphite.exp: Fix formatting.
3980         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3981         loops generated in the graphite output file.
3982         * gcc.dg/graphite/pr35356-2.c: New.
3983         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3984         * gfortran.dg/graphite/id-12.f: New.
3985
3986 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3987
3988         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3989         Remove 2 XFAIL.
3990
3991 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3992             Tobias Grosser  <grosser@fim.uni-passau.de>
3993
3994         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3995         alias set number build alias in ACCESSES polyhedron.
3996         (build_alias_set_for_drs): New.
3997         (build_pbb_drs): Added build_alias_set_for_drs.
3998         * graphite-dependences.c (poly_drs_may_alias_p): New.
3999         (graphite_carried_dependence_level_k): Check alias information
4000         before building polyhedron.
4001
4002 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4003
4004         * Makefile.in (lambda-code.o): Fix formatting.
4005
4006 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4007
4008         * Merge from mainline (r149350-149952)
4009
4010 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4011
4012         * graphite-poly.c (apply_poly_transforms): Move strip_mine
4013         before interchange to prepare for loop blocking.
4014
4015 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4016
4017         * graphite-poly.c (apply_poly_transforms): Add checks after every
4018         transformation.
4019         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
4020         done in apply_poly_transforms.
4021
4022 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
4023
4024         * graphite-dependences.c (build_lexicographically_gt_constraint):
4025         Replace RES parameter with *RES.
4026         (dependence_polyhedron_1): Pass an address of the parameter RES
4027         instead of value of RES.
4028
4029 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4030
4031         * graphite.c (graphite_finalize): Fix comment.
4032         (graphite_transform_loops): Reset scev info after code generation
4033         of each scop.
4034
4035 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4036
4037         * graphite.c (graphite_finalize): Call scev_reset.
4038
4039 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4040
4041         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
4042         GBB_CLOOG_IV_TYPES hash table twice.
4043         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
4044         (add_condition_to_domain): Clear GMP values.
4045
4046 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4047
4048         * graphite-dependences.c: Fix formatting.
4049         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
4050         (pbb_number_of_iterations): Free ppl_Linear_Expression.
4051         * graphite-sese-to-poly.c: Fix formatting.
4052         * graphite.c (graphite_transform_loops): Create the hash table
4053         after the early return.
4054
4055 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4056
4057         * gcc.dg/graphite/id-14.c: New.
4058         * gcc.dg/graphite/pr40157.c: New.
4059         * gfortran.dg/graphite/id-11.f: New.
4060
4061 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4062
4063         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
4064         (build_poly_scop): Return false when there are no pbbs within
4065         loops to avoid to pass to cloog scops with no loops.
4066
4067 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
4070         useless test "i % 2".
4071         (build_pbb_scattering_polyhedrons): Fix formatting.
4072         (build_poly_dr): Same.
4073         * graphite.c (graphite_transform_loops): Restructure.
4074
4075 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
4076
4077         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
4078         reduction_list parameter.
4079         (rewrite_all_phi_nodes_with_iv): Same.
4080         (canonicalize_loop_ivs): Same.
4081         * tree-parloops.c (struct brli): Removed.
4082         (build_reduction_list_info): Removed.
4083         (build_new_reduction): New.
4084         (analyze_reduction_list): Removed.
4085         (gather_scalar_reductions): Find reductions instead of phi
4086         nodes that can't be canonicalized.
4087         (try_create_reduction_list): Remove reduction_list parameter.
4088         (gen_parallel_loop): Same.
4089         (parallelize_loops): Remove analyze_reductions variable,
4090         initialization and free.
4091         Change reduction_list htab initialization to reduction_info
4092         elements instead of ssa names.
4093         Call try_create_reduction_list and gen_parallel_loop without
4094         analyzed_reduction argument.
4095         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
4096         canonicalize_loop_ivs with one less argument.
4097         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
4098
4099 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4100
4101         * graphite-dependences.c (new_poly_dr_pair): New.
4102         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
4103         (new_poly_dr_pair): New.
4104         (eq_poly_dr_pair_p): New.
4105         (hash_poly_dr_pair_p): New.
4106         * graphite-dependences.h (struct poly_dr_pair): New.
4107         (eq_poly_dr_pair_p): Declared.
4108         (hash_poly_dr_pair_p): Declared.
4109         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
4110         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
4111         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
4112         * Makefile.in (graphite-poly.o): Add dependence on
4113         graphite-dependences.h.
4114
4115 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4116
4117         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
4118         polynomials of degree > 1 pass to Graphite.
4119         * tree-chrec.c (scev_is_linear_expression): Call
4120         evolution_function_is_affine_multivariate_p.
4121         * gfortran.dg/graphite/id-10.f90: New.
4122
4123 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4124
4125         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
4126         Instantiate scevs varying in outer loops.
4127         * gfortran.dg/graphite/id-9.f: Correct testcase.
4128
4129 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4130
4131         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
4132         redundant constraint.
4133
4134 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4135
4136         * gcc.dg/graphite/graphite.exp: Fix comments.
4137         * gfortran.dg/graphite/graphite.exp: Trigger actions
4138         based on the file names as in the C testsuite.
4139         * gfortran.dg/graphite/block-1.f90: Fix patterns.
4140         * gfortran.dg/graphite/block-2.f: Same.
4141         * gfortran.dg/graphite/block-3.f90: Same.
4142         * gfortran.dg/graphite/block-4.f90: Same.
4143         * gfortran.dg/graphite/id-1.f90: Same.
4144         * gfortran.dg/graphite/id-2.f90: Same.
4145         * gfortran.dg/graphite/id-3.f90: Same.
4146         * gfortran.dg/graphite/id-4.f90: Same.
4147         * gfortran.dg/graphite/id-6.f: Same.
4148         * gfortran.dg/graphite/id-9.f: Same.
4149         * gfortran.dg/graphite/interchange-1.f: Same.
4150         * gfortran.dg/graphite/interchange-2.f: Same.
4151         * gfortran.dg/graphite/scop-1.f: Same.
4152
4153 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4154
4155         * sese.c (expand_scalar_variables_call): New.
4156         (expand_scalar_variables_ssa_name): Handle calls in expander.
4157
4158 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4159
4160         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
4161         Expect to see the pattern twice.
4162         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
4163         * gcc.dg/graphite/interchange-5.c: Same.
4164         * gcc.dg/graphite/interchange-6.c: Same.
4165
4166 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         * gcc.dg/graphite/id-10.c: New.
4169         * gcc.dg/graphite/id-12.c: New.
4170         * gfortran.dg/graphite/id-7.f: New.
4171         * gfortran.dg/graphite/id-8.f: New.
4172
4173 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4174
4175         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
4176         zero.
4177
4178 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4179
4180         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
4181
4182 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4183
4184         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
4185
4186 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
4189         building PDR subscripts.
4190
4191 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4192
4193         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
4194         computation of array sizes.
4195
4196 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4197
4198         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
4199
4200 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4201
4202         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
4203         build_pairwise_constraint, dr_equality_constraints,
4204         build_pairwise_scheduling_equality,
4205         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4206         build_lexicographically_gt_constraint, dependence_polyhedron,
4207         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
4208         Move from NNC_Polyhedron to C_Polyhedron.
4209         * graphite-interchange.c (compute_array_size_poly,
4210         gather_access_strides): Dito.
4211         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
4212         free_scop, pbb_number_of_iterations): Dito.
4213         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
4214         pbb_dim_iter_domain, struct scop): Dito.
4215         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
4216         new_Cloog_Domain_from_ppl_Polyhedron,
4217         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
4218         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
4219         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
4220         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
4221         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
4222         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
4223         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
4224         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
4225         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
4226         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
4227         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
4228         build_scop_iteration_domain, build_poly_dr): Dito
4229
4230 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4231
4232         * gcc.dg/graphite/graphite.exp: Added a rule to execute
4233         run-id-*.c files.
4234         * gcc.dg/graphite/run-id-1.c: New.
4235
4236 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4237
4238         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
4239         positivity constraint on the symbolic number of iterations.
4240
4241 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4242
4243         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
4244
4245 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4246             Tobias Grosser  <grosser@fim.uni-passau.de>
4247
4248         * graphite-clast-to-gimple.c (build_scop_context): Removed.
4249         (build_cloog_prog): Directly use SCOP_CONTEXT.
4250         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
4251         (free_scop): Free SCOP_CONTEXT.
4252         (print_scop_context): New.
4253         (print_scop): Call print_scop_context.
4254         (debug_scop_context): New.
4255         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
4256         (struct scop): Added field context.
4257         (SCOP_CONTEXT): New.
4258         * graphite-sese-to-poly.c (add_param_constraints): New.
4259         (build_scop_context): New.
4260         (build_poly_scop): Call build_scop_context.
4261
4262 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4263
4264         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4265         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4266         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
4267         * graphite-ppl.h: Include double-int.h and tree.h.
4268         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4269         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4270         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4271         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4272
4273 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4274
4275         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4276         POINTER_PLUS_EXPR for pointer types.
4277         (clast_to_gcc_expression): Same.
4278
4279 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * graphite-poly.c (print_scattering_function): Early return when
4282         PBB_TRANSFORMED_SCATTERING is not initialized.
4283         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4284
4285 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4286
4287         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4288         to fix bootstrap.
4289
4290 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4291
4292         * tree-parloops.c (analyze_reduction_list): Change return
4293         value to void.
4294         (try_create_reduction_list): Move the call to
4295         analyze_reduction_list to the beginining.
4296         Call reduction_phi with analyzed_reductions as argument
4297         instead of reduction_list.
4298
4299 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4300
4301         *  Merge from mainline (r148296:149346)
4302
4303 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4304
4305         * graphite-scop-detection.c (graphite_can_represent_init): New.
4306         (graphite_can_represent_scev): Call graphite_can_represent_init:
4307         check that the initial value does not contain multiplications of
4308         parameters.
4309         (stmt_has_simple_data_refs_p): New.
4310         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4311         (is_simple_operand): Fix formatting.
4312         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4313
4314 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4315
4316         * gcc.dg/graphite/id-13.c: New.
4317         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4318         analyze_scalar_evolution, use scalar_evolution_in_region.
4319         (scan_tree_for_params_right_scev): Add extra assert.
4320         (parameter_index_in_region_1): Split from parameter_index_in_region.
4321         (idx_record_params): Use scalar_evolution_in_region.
4322         (find_params_in_bb): Same.
4323         (find_scop_parameters): Same.
4324         (build_loop_iteration_domains): Same.
4325         (create_linear_expr_from_tree): Same.
4326         * sese.c (scalar_evolution_in_region): New.
4327         * sese.h (scalar_evolution_in_region): Declared.
4328         (defined_in_sese_p): New.
4329         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4330         static anymore.
4331         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4332         Declared.
4333
4334 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4335
4336         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4337         TREE_DATA_REF_H also implies SCEV_H.
4338
4339 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4340
4341         * graphite-poly.c (print_scop_params): New.
4342         (print_scop): Call print_scop_params.
4343         (debug_scop_params): New.
4344         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4345
4346 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4347
4348         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4349         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4350         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4351         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4352         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4353         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4354
4355 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4356
4357         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4358         for dependency checking part.
4359         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4360         tests for dependency checking.
4361         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4362         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4363         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4364         flag -fdump-tree-graphite-all for autopar testsuites.
4365
4366 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4367
4368         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4369         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4370         canonicalize_loop_ivs): Moved...
4371         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4372
4373 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4374
4375         * tree-parloops.c (try_create_reduction_list): Pass an extra
4376         argument analyzed_reductions.  Call analyze_reduction_list.
4377         (gen_parallel_loop): Do not call analyze_reduction_list.
4378         (parallelize_loops): Init and finalize analyzed_reductions.
4379
4380 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4381
4382         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4383         Added flag -fno-loop-strip-mine for autopar testcase.
4384
4385 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4386
4387         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4388         transformed scattering dimension instead of unmatch orignal when
4389         calling dependence_polyhedron.
4390
4391 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4392
4393         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4394
4395 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4396
4397         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4398         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4399
4400 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4403         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4404         * graphite-poly.c (pbb_number_of_iterations): New.
4405         * graphite-poly.h (pbb_number_of_iterations): Declared.
4406         (pbb_iterator_dim, pbb_parameter_dim): New.
4407
4408 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4409
4410         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4411         last commit on type of lower and upper bound of loops.
4412
4413 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4414
4415         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4416         graphite-dependences.h.
4417         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4418         (mark_bb_with_pbb): New.
4419         (get_stmtfor_depth): New.
4420         (find_pbb_via_hash): New.
4421         (dependency_in_loop_p): New.
4422         (mark_loops_parallel): New.
4423         (free_aux_in_new_loops): New.
4424         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4425         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4426         innermost loop parallel without checking.
4427         (gloog): Add parameter BB_PBB_MAPPING.
4428         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4429         (gloog): Change declaration.
4430         (mark_loop_parallel): Make extern.
4431         (free_aux_in_new_loops): Declare.
4432         (bb_pbb_map_hash): New.
4433         (eq_bb_pbb_map): New.
4434         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4435         auto parallelization when flag_graphite_force_parallel is set.
4436         (graphite_finalize): Added free_aux_in_new_loops.
4437         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4438         the innermost loop that marked parallel.  Use
4439         flag_graphite_force_parallel instead of loop->can_be_parallel.
4440         (loop_parallel_p): Move inner most checking out of function.
4441
4442 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4443
4444         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4445         type of lower and upper bound of loops signed long int.
4446
4447 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4448
4449         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4450         expression outside the loop.
4451
4452 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4453
4454         * gcc.dg/graphite/interchange-8.c: New.
4455
4456 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4457
4458         * gcc.dg/graphite/interchange-0.c: XFailed.
4459         * gcc.dg/graphite/interchange-5.c: XFailed.
4460         * gcc.dg/graphite/interchange-6.c: XFailed.
4461
4462 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4463
4464         * graphite-interchange.c (compute_array_size_poly): The end of the
4465         recursion should return 1.
4466
4467 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4468
4469         * graphite-interchange.c (compute_array_size_cstr): Allow the
4470         subscript multiplier to be -1.
4471         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4472         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4473         data_container.  Initializes PDR_DATA_CONTAINER.
4474         (print_pdr_access_layout): New.
4475         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4476         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4477         data_container.
4478         (PDR_DATA_CONTAINER): New.
4479         (new_poly_dr): Update declaration.
4480         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4481         (build_poly_dr): Call pdr_add_data_dimensions.
4482
4483 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         * graphite-poly.h (struct poly_dr): Fix comment.
4486         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4487         (pdr_add_memory_accesses): New.
4488         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4489
4490 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4491
4492         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4493         (print_pbb): Add call to print_pdrs.
4494         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4495
4496 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4497             Li Feng <nemokingdom@gmail.com>
4498
4499         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4500         (dependency_between_pbbs_p): New.
4501         (lexicographically_gt_p): Assure !empty_p before polyhedron
4502         intersection assign.
4503         (build_lexicographically_gt_constraint): Correct lexicographically
4504         judging.
4505         * graphite-dependences.h: New.
4506         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4507
4508 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4511         (gloog): Print to dump_file the generated clast.
4512         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4513         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4514
4515 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4516
4517         * graphite-poly.c (extend_scattering): Increment
4518         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4519
4520 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * graphite-interchange.c (compute_array_size_poly): Added exit of
4523         recursion condition.  Continue iterating even after the first equality.
4524         (compute_array_size): Same.
4525
4526 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4527
4528         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4529         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4530         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4531         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4532         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4533
4534 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4535
4536         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4537         only when the use verifies is_gimple_reg.
4538
4539 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4540
4541         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4542         Allocate scaldims after call to unify_scattering_dimensions.
4543
4544 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4547
4548 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4549             Albert Cohen  <albert.cohen@inria.fr>
4550
4551         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4552         variables for the strip mining.
4553
4554 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4555             Pranav Garg  <pranav.garg2107@gmail.com>
4556
4557         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4558         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4559         (graphite-blocking.o): New rule.
4560         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4561         * graphite-blocking.c: New.
4562         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4563         flag_loop_strip_mine.
4564         (psct_scattering_dim_for_loop_depth): New.
4565         * graphite-poly.h (scop_do_strip_mine): Declared.
4566         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4567         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4568         flag_loop_strip_mine.
4569
4570 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4571
4572         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4573         a GMP value and a PPL coefficient at each iteration of a loop.
4574
4575 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4576
4577         * graphite-dependences.c (dependence_polyhedron): Do not use
4578         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4579         pbb_nb_scattering_transform.
4580         (graphite_legal_transform_dr): Same.
4581         * graphite-poly.c (extend_scattering): Same.
4582         (unify_scattering_dimensions): Same.
4583         (print_scattering_function): Same.
4584         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4585         PBB_NB_LOCAL_VARIABLES.
4586         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4587         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4588         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4589         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4590         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4591         (pbb_nb_scattering_transform): New.
4592         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4593         (psco_scattering_dim): Add assert on parameters.
4594         (psct_scattering_dim): Same.
4595         (psct_scattering_dim_for_loop_depth): Declared.
4596         (psct_local_var_dim): New.
4597         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4598         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4599         correct layout, call pbb_nb_local_vars.
4600         (psct_add_local_variable, psct_add_scattering_dimension): New.
4601         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4602         Initialize PBB_NB_SCATTERING_TRANSFORM.
4603
4604 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4605
4606         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4607         (set_coef): Renamed ppl_set_coef.
4608         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4609
4610 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4611
4612         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4613         test a boolean against 1.
4614         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4615         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4616         (pbb_do_interchange): Returns true when a transform has been performed.
4617         (scop_do_interchange): Same.
4618         * graphite-poly.c (apply_poly_transforms): Use the return value of
4619         scop_do_interchange.
4620         * graphite-poly.h (scop_do_interchange): Update declaration.
4621
4622 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4623
4624         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4625         after last use.
4626         * sese.c (sese_reset_aux_in_loops): New.
4627         * sese.h (sese_reset_aux_in_loops): New.
4628
4629 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4630
4631         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4632         multiplier and multiply the constant by the multiplier.
4633         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4634         (build_poly_dr): Do not use the multiplier to define the subscript.
4635
4636 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4637
4638         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4639         compiler's data reference.  Initialize PDR_CDR.
4640         (print_pdr): Call dump_data_reference.
4641         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4642         Add compiler_dr field.
4643         (PDR_BB): Renamed PDR_PBB.
4644         (PDR_CDR): New.
4645         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4646         GCC's data reference representation.
4647         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4648         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4649
4650 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         * graphite-poly.c (print_scattering_function): Also print the layout.
4653         * graphite-poly.h (pbb_nb_local_vars): New.
4654
4655 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4656
4657         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4658
4659 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4660
4661         * graphite-poly.c (print_pdr, debug_pdr): New.
4662         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4663         (PDR_BASE): Removed.
4664
4665 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4666
4667         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4668         ltrans-{1..6,8}.c.
4669
4670 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4671
4672         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4673         subscript identification column.
4674         (pbb_do_interchange): Print to dump_file that some loops "will be
4675         interchanged".  Rely on that chain of characters in the testcases.
4676         * gcc.dg/graphite/interchange-0.c: New.
4677         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4678         interchange-*.c files and compile them with -floop-interchange.
4679
4680 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4681
4682         * graphite-interchange.c (interchange_profitable_p): Renamed
4683         pbb_interchange_profitable_p.
4684
4685 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4686             Harsha Jagasia  <harsha.jagasia@amd.com>
4687             Pranav Garg  <pranav.garg2107@gmail.com>
4688
4689         * graphite-interchange.c (interchange_profitable_p): Make static.
4690         (pbb_interchange_loop_depths, pbb_do_interchange,
4691         scop_do_interchange): New.
4692         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4693         for flag_loop_interchange.
4694         * graphite-poly.h (scop_do_interchange): Declared.
4695         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4696         flag_loop_interchange is used.
4697
4698 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4699
4700         * graphite-dependences.c (dependence_polyhedron): Update use of
4701         pbb_nb_scattering_dims.
4702         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4703         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4704         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4705         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4706
4707 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4708
4709         * graphite.c: Cleanup foo.
4710
4711 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4712
4713         * Merge from mainline (r143684:148293).
4714         * Disabled libpcp until it gets fixed.
4715
4716 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4717             Harsha Jagasia  <harsha.jagasia@amd.com>
4718
4719         * graphite-interchange.c: New.
4720         * Makefile.in (graphite-interchange.o): New.
4721         * graphite-poly.h (interchange_profitable_p): Declared.
4722         * graphite-ppl.h (value_max): New.
4723
4724 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4725
4726         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4727         * graphite-poly.h: Fix some comments.
4728         (pdr_dim): New.
4729         (pdr_scop): New.
4730
4731 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4732
4733         * graphite-poly.h
4734         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4735         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4736         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4737         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4738         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4739         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4740         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4741         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4742         * graphite-clast-to-gimple.c: Same.
4743         * graphite-dependences.c: Same.
4744         * graphite-poly.c: Same.
4745         * graphite-sese-to-poly.c: Same.
4746
4747 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4748
4749         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4750         expressions for an IV rename, as returned by clast_to_gcc_expression.
4751         (copy_renames): Rename new_name to expr.
4752         * sese.c (debug_rename_elt): Same.
4753         (get_rename): Same.
4754         (set_rename): Same.
4755         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4756         the information from the rename map.
4757         (rename_variables_in_stmt): Same.
4758         (add_loop_exit_phis): Rename new_name to expr.
4759         (insert_loop_close_phis): Same.
4760         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4761         * sese.h (struct rename_map_elt): Rename new_name to expr.
4762         (new_rename_map_elt): Same.
4763
4764 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4765
4766         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4767         * sese.c (set_rename): Make it extern.
4768         * sese.h (set_rename): Declared.
4769
4770 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4771
4772         * graphite-poly.c (extend_scattering): Free values.
4773         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4774         Free iterators.
4775         (ppl_print_powerset_matrix): Same.
4776         * graphite-scop-detection.c (free_scops_1): New.
4777         (limit_scops): Call free_scops_1.
4778         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4779         (build_poly_dr): Free PPL coefficients.
4780         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4781
4782 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784         * graphite-dependences.c: New.
4785         * graphite-data-ref.c: Removed.
4786         * graphite-data-ref.h: Removed.
4787         * Makefile.in (graphite-data-ref.o): Removed.
4788         (graphite-dependences.o): Added.
4789         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4790         * graphite-poly.c: Same.
4791         Move the data dependence testing to graphite-dependences.c.
4792
4793 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4794
4795         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4796         from graphite_cannot_represent_loop. Code refactored.
4797         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4798
4799 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4800
4801         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4802         Cover all the testcases (not only the filtered ones).
4803
4804 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4805
4806         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4807         unnecessary check. Update comments. Move check for REAL_TYPE here.
4808         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4809         done in (stmt_simple_for_scop_p).
4810
4811 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4812
4813         * graphite.c (print_global_statistics): New.
4814         (print_graphite_scop_statistic): New.
4815         (print_graphite_statistics): New.
4816         (graphite_initialize, graphite_transform_loops): Print statistics.
4817         * graphite-scop-detection (build_scops): Print statistics.
4818         (print_graphite_scop_statistics): New.
4819         (print_graphite_statistics): New.
4820
4821 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4822
4823         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4824         (debug_clast_name_index): Removed.
4825         (debug_clast_name_indexes_1): Removed.
4826         (debug_clast_name_indexes): Removed.
4827         (clast_name_index_elt_info): Removed.
4828         (eq_clast_name_indexes): Removed.
4829         (clast_name_to_index): Removed.
4830         (new_clast_name_index): Removed.
4831         (save_clast_name_index): Removed.
4832         (save_var_name): Moved...
4833         (init_sese_params_index): Removed.
4834         (clast_name_to_gcc): Remove use of name_tree.
4835         (initialize_cloog_names): Same.
4836         (gloog): Do not call init_sese_params_index.
4837         * graphite-sese-to-poly.c (save_var_name): ...here.
4838         (parameter_index_in_region): New.
4839         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4840         (parameter_index_in_region): Removed.
4841         (is_parameter): Remove use of name_tree.
4842         * sese.h (struct name_tree): Removed.
4843         (struct sese): Remove use of name_tree.  New field params_names.
4844         (SESE_PARAMS_NAMES): New.
4845         (SESE_PARAMS): Remove duplicate.
4846         (parameter_index_in_region): Removed.
4847         (sese_nb_params): Remove use of name_tree.
4848         (struct clast_name_index): New.
4849         (new_clast_name_index): New.
4850         (clast_name_to_index): New.
4851         (save_clast_name_index): New.
4852         (debug_clast_name_index): New.
4853         (debug_clast_name_indexes_1): New.
4854         (debug_clast_name_indexes): New.
4855         (clast_name_index_elt_info): New.
4856         (eq_clast_name_indexes): New.
4857
4858 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4859
4860         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4861         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4862         (graphite_loop_normal_form): Do not pass region.  Do not
4863         initialize SESE_OLDIVS.
4864         (build_graphite_loop_normal_form): Update call to
4865         graphite_loop_normal_form.
4866         * sese.c (debug_oldivs): Removed.
4867         (new_sese): Do not initialize SESE_OLDIVS.
4868         (free_sese): Do not free SESE_OLDIVS.
4869         (oldiv_for_loop): Removed.
4870         * sese.h (struct sese): Remove old_ivs.
4871         (SESE_OLDIVS): Removed.
4872         (oldiv_for_loop): Removed.
4873
4874 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4875
4876         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4877         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4878         replaced by a call to newivs_to_depth_to_newiv.
4879         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4880         (clast_to_gcc_expression_red): Same.
4881         (gcc_type_for_clast_expr): Same.
4882         (gcc_type_for_clast_eq): Same.
4883         (graphite_translate_clast_equation): Same.
4884         (graphite_create_guard_cond_expr): Same.
4885         (graphite_create_new_guard): Same.
4886         (graphite_create_new_loop): Same.
4887         (build_iv_mapping): Same.
4888         (translate_clast): Same.
4889         (gloog): Same.
4890         (loop_iv_stack_patch_for_consts): Removed.  *
4891         sese.c (iv_stack_entry_is_constant): Removed.
4892         (iv_stack_entry_is_iv): Removed.
4893         (loop_iv_stack_push_iv): Removed.
4894         (loop_iv_stack_insert_constant): Removed.
4895         (loop_iv_stack_pop): Removed.
4896         (loop_iv_stack_get_iv): Removed.
4897         (loop_iv_stack_get_iv_from_name): Removed.
4898         (debug_loop_iv_stack): Removed.
4899         (free_loop_iv_stack): Removed.
4900         (loop_iv_stack_remove_constants): Removed.  *
4901         sese.h (iv_stack_entry_kind): Removed.
4902         (iv_stack_entry_data_union): Removed.
4903         (iv_stack_entry_struct): Removed.
4904         (iv_stack_entry_p): Removed.
4905         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4906         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4907         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4908         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4909         (gbb_loop_at_index): Fix indenting.
4910         (gbb_loop_index): Removed.
4911
4912 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4913
4914         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4915         Call clast_name_to_index.
4916
4917 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4918
4919         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4920         do not pass params.  Get params from SESE_PARAMS.
4921         (clast_to_gcc_expression): Same.
4922         (clast_to_gcc_expression_red): Same.
4923         (gcc_type_for_clast_eq): Same.
4924         (graphite_translate_clast_equation): Same.
4925         (graphite_create_new_loop): Same.
4926         * sese.c (rename_variables_in_stmt): Fix comment.
4927
4928 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4929
4930         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4931         newivs_index.
4932         Call save_clast_name_index.
4933         (translate_clast): Pass newivs_index.
4934         (gloog): Create and free newivs_index.
4935
4936 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4937
4938         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4939         (clast_name_index_p): New type.
4940         (debug_clast_name_index): New.
4941         (debug_clast_name_indexes_1): New.
4942         (debug_clast_name_indexes): New.
4943         (clast_name_index_elt_info): New.
4944         (eq_clast_name_indexes): New.
4945         (clast_name_to_index): New.
4946         (new_clast_name_index): New.
4947         (save_clast_name_index): New.
4948         (init_sese_params_index): New.
4949         (gloog): Call init_sese_params_index.
4950         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4951         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4952         (free_sese): Free SESE_PARAMS_INDEX.
4953         * sese.h (struct sese): Add params_index.
4954         (SESE_PARAMS_INDEX): New.
4955
4956 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4957
4958         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4959         (graphite_create_new_loop): Pass the newivs vector.  Push the
4960         newly created IV to newivs.
4961         (translate_clast): Pass the newivs vector.
4962         (gloog): Create and destroy the newivs vector.
4963
4964 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4965
4966         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4967         (graphite_loop_normal_form): Initialize loop->aux with the unique
4968         IV that has been created.
4969
4970 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4971
4972         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4973         scev with parameters in the base part. They where forbidden
4974         exidently.
4975
4976 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4977
4978         * gcc.dg/graphite/graphite.exp: Set different default
4979         compile options by file names.
4980         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4981         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4982         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4983         * gcc.dg/graphite/scop-matmult.c: Ditto.
4984
4985 2009-05-08  Li Feng <nemokingdom@gmail.com>
4986
4987         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4988         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4989         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4990         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4991
4992 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4993
4994         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4995         by final cleanup.
4996
4997 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4998
4999         * graphite-scop-detection.c (graphite_can_represent_scev): Only
5000         allow integer constant strides.
5001         (graphite_can_represent_expr): Depend on outermost_loop.
5002         (stmt_simple_memref_p, graphite_cannot_represent_loop,
5003         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
5004         build_scops_1): Same.
5005         (scopdet_basic_block_info): Same and insert layered SCoP
5006         detection.
5007         (try_generate_gimple_bb): Cleanup.
5008         (build_scops): Enable data references.
5009
5010         * gcc.dg/graphite/id-5.c: New.
5011         * gcc.dg/graphite/id-9.c: New.
5012         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
5013         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
5014
5015 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5016
5017         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
5018         that we have not yet built for this SCoP.
5019
5020 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5021
5022         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
5023         for complex numbers.
5024
5025 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5026
5027         * graphite-ppl.c: Fix build if cloog is not available.
5028
5029 2009-05-04  Li Feng  <nemokingdom@gmail.com>
5030
5031         * tree-parloops.c (loop_parallel_p): Remove construction of
5032         NITER and REDUCTION_LIST.
5033         (try_get_loop_niter): New.
5034         (try_create_reduction_list): New.
5035         (parallelize_loops): Bypass the failed checkings in autopar
5036         when can_be_parallel in loop structure is set to true.
5037
5038 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5039
5040         * gcc.dg/graphite/id-6.c: Update testcase.
5041         * gcc.dg/graphite/scop-3.c: Dito.
5042
5043 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5044
5045         * graphite-scop-detection.c (stmt_simple_for_scop_p):
5046         Enable EQ_EXPR and NE_EXPR again.
5047
5048 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5049
5050         * graphite-scop-detection.c (graphite_can_represent_scev):
5051         Add check if scev is affine multivariate.
5052         (harmful_stmt_in_bb): Check if we can represent the conditions.
5053         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
5054         harmful_stmt_in_bb.
5055         * gcc.dg/graphite/id-7.c: New.
5056
5057 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5058
5059         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
5060         Check all bbs in region, not only the bbs that are represented in
5061         GRAPHITE.
5062         (build_poly_scop): Add newline.
5063         * gcc.dg/graphite/id-8.c: New.
5064
5065 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5066
5067         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
5068         when loop initialize.
5069         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
5070         * common.opt: Declare flag_graphite_force_parallel.
5071         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
5072         loop parallel.
5073         * graphite-poly.c (apply_poly_transforms): Introduce
5074         flag_graphite_force_parallel.
5075         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
5076         * toplev.c (process_options): ditto and replace a not correctly
5077         encoded space.
5078
5079 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5080
5081         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
5082         Change the call of gbb_loop_at_index and/or gbb_loop_index due
5083         to the redefinition.
5084         (compute_cloog_iv_types_1): ditto.
5085         (build_iv_mapping): ditto.
5086         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
5087         initialization.
5088         (free_gimple_bb): Removed GBB_LOOPS related free part.
5089         (build_bb_loops): Removed.
5090         * sese.h (struct gimple_bb): Removed loops.
5091         (GBB_LOOPS): Removed.
5092         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
5093         (gbb_loop_index): ditto.
5094
5095 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5096
5097         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
5098         allow non constant strides.
5099         * gcc.dg/graphite/scop-20.c: New.
5100
5101 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5102
5103         * graphite-scop-detection.c (dot_all_scops): Fix system call
5104         return value warning.
5105         (dot_scop): Same.
5106
5107 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5108
5109         * gcc.dg/graphite/id-6.c: Fix pattern.
5110         * gcc.dg/graphite/scop-3.c: Same.
5111
5112 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5113
5114         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
5115         build_pairwise_constraint, dr_equality_constraints,
5116         build_pairwise_scheduling_equality,
5117         build_pairwise_scheduling_inequality, lexicographically_gt_p,
5118         build_lexicographically_gt_constraint, dependence_polyhedron,
5119         graphite_legal_transform_dr, graphite_legal_transform_bb,
5120         graphite_legal_transform): New.
5121         * graphite-poly.h (graphite_legal_transform): Declared.
5122         * graphite-sese-to-poly.c (build_poly_scop): Call to
5123         graphite_legal_transform is disabled for the moment.
5124
5125 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5126
5127         * graphite-poly.h (pbb_nb_scattering_dims): New.
5128         (pbb_nb_scattering): Use it.
5129
5130 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5131
5132         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
5133         Pointset_Powerset version of ppl_insert_dimensions.
5134         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
5135
5136 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5137
5138         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
5139
5140 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5141
5142         * graphite-poly.h: Fix comment.
5143
5144 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5145
5146         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
5147
5148 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5149
5150         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
5151         statements.
5152
5153 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5154
5155         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
5156         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
5157         conditions.
5158
5159 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
5160
5161         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
5162         handle EQ_EXPR and NE_EXPR.
5163
5164 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
5165
5166         * graphite-poly.h (poly_dr): Fix comment.
5167
5168 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5169             Tobias Grosser  <grosser@fim.uni-passau.de>
5170
5171         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
5172         with a zero dimension polyhedron.
5173         (find_scop_parameters): Move the call to scop_set_nb_params here.
5174         (build_loop_iteration_domains): Store in loop->aux the iteration
5175         domain polyhedron.
5176         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
5177         by any loop in scop.
5178         (build_poly_scop): Do not call scop_set_nb_params.
5179
5180 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5181             Tobias Grosser  <grosser@fim.uni-passau.de>
5182
5183         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
5184         add_condition_to_domain not GT_EXPR.
5185
5186 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5187
5188         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
5189         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
5190         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
5191         upper_bound_assign to calculate unions.
5192         * gcc.dg/graphite/id-6.c: New.
5193
5194 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5195
5196         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
5197         handle abnormal edges.
5198
5199 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5200
5201         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
5202         (free_poly_bb): Also free poly_drs.
5203         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
5204         (poly_dr): Polyhedron to Pointset_Powerset.
5205         (pdr_accessp_nb_subscripts): Same.
5206         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
5207         poly_drs.
5208
5209 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
5212         names into more meaningful names.
5213
5214 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5215
5216         * gfortran.dg/graphite/interchange-1.c: New.
5217         * gfortran.dg/graphite/interchange-2.c: New.
5218
5219 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5220
5221         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
5222         the reduction_list.
5223         * tree-parloops.c (rewrite_phi_with_iv): New.
5224         (rewrite_all_phi_nodes_with_iv): New.
5225         (canonicalize_loop_ivs): Call them.
5226
5227 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5228
5229         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
5230         graphite_find_data_references_in_stmt.
5231         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5232         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5233
5234 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5235
5236         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
5237
5238 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5239
5240         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
5241         instead of bb_in_region.
5242         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
5243         (build_sese_conditions): Use flag_bb_in_sese.
5244         * sese.c (register_bb_in_sese): Removed.
5245         (new_sese): Remove initialization of SESE_REGION_BBS.
5246         (free_sese): Do not free SESE_REGION_BBS.
5247         * sese.h (struct sese): Remove field region_basic_blocks.
5248         (SESE_REGION_BBS): Removed.
5249         (bb_in_sese_p): Implement in function of bb_in_region.
5250
5251 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5252
5253         * graphite-scop-detection.c (limit_scops): Deal only with single exit
5254         loops.
5255
5256 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5257
5258         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
5259         and EQ_EXPR.
5260         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
5261         (add_condition_to_domain): New.
5262         (add_condition_to_pbb): New.
5263         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
5264         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5265
5266 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5267
5268         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5269         ppl_Pointset_Powerset.
5270         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5271         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5272         (pbb_nb_loops): Same.
5273         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5274         add_conditions_to_domain): Same.
5275         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5276         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5277         ppl_const_Polyhedron_t.
5278         (ppl_print_powerset_matrix): New.
5279         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5280         ppl_print_powerset_matrix): New.
5281         (ppl_print_polyhedron_matrix): Updated.
5282
5283 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5284
5285         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5286
5287 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5288
5289         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5290         (print_iteration_domains, debug_iteration_domain,
5291         debug_iteration_domains): New.
5292         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5293         debug_iteration_domains): Declared.
5294         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5295         indenting.
5296
5297 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5298             Sebastian Pop  <sebastian.pop@amd.com>
5299
5300         * graphite-poly.h (print_iteration_domain): New.
5301         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5302         (build_sese_conditions_1, build_sese_conditions_after,
5303         build_sese_conditions_before): New.
5304         (build_sese_conditions): Rewritten.
5305
5306 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5307             Tobias Grosser  <grosser@fim.uni-passau.de>
5308
5309         Cleanup of code generation liveouts.
5310         * graphite-clast-to-gimple.c (translate_clast): Use a single
5311         rename_map instead of one per translated statement.
5312         Do not use SESE_LIVEOUT_RENAMES.
5313         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5314         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5315         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5316         phi node of a reduction: when a loop contains a reduction used outside
5317         the loop, there should be a scalar close phi node on the exit block.
5318         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5319         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5320         (free_sese): Do not free them.
5321         (sese_build_liveouts_use): Do not use them.
5322         (sese_build_liveouts_bb): Same.
5323         (sese_build_liveouts): Same.
5324         (sese_insert_phis_for_liveouts): Same.
5325         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5326         (defined_in_loop_p): New.
5327         (alive_after_loop): New.
5328         (close_phi_not_yet_inserted_p): New.
5329         (struct alep, alep_p): New.
5330         (add_loop_exit_phis): Remove from the rename_map all the names defined
5331         in the code generated loop.
5332         (insert_loop_close_phis): Traverse the rename_map passed to it.
5333         Don't use SESE_LIVEOUT_RENAMES.
5334         (default_liveout_before_guard): Renamed default_before_guard.
5335         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5336         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5337         (register_sese_liveout_renames): Removed.
5338         (copy_bb_and_scalar_dependences): Do not call it.
5339         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5340         reduction_list.
5341         (SESE_LIVEOUT): Removed.
5342         (SESE_LIVEOUT_RENAMES): Removed.
5343         (SESE_REDUCTION_LIST): Removed.
5344         (sese_build_liveouts): Removed.
5345         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5346         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5347         (insert_guard_phis): Same.
5348         (rename_map_elt): Declare a VEC of them.
5349         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5350         trees not pointers to trees.
5351
5352         Rewrite in canonical close SSA form:
5353         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5354         (limit_scops): Close the scop after the block containing the close phi
5355         nodes.
5356         (canonicalize_loop_closed_ssa): New.
5357         (canonicalize_loop_closed_ssa_form): New.
5358         (build_scops): Call canonicalize_loop_closed_ssa_form.
5359
5360         * graphite-sese-to-poly.c: Fix typos.
5361
5362 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5363
5364         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5365         Extended.
5366         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5367         (print_pbb): Add conditions.
5368
5369 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5370             Sebastian Pop  <sebastian.pop@amd.com>
5371
5372         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5373         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5374         (build_scop_bbs_1): New.
5375         (build_scop_bbs): Rewrite.
5376         * sese.h (bb_in_region): New.
5377
5378 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5379
5380         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5381         poly_drs vector.
5382         (print_scop): Style.
5383         * graphite-poly.h (poly_bb): Add drs vector.
5384         (PBB_DRS): Add accessor.
5385         * graphite-sese-to-poly.c (build_poly_dr): New.
5386         (build_pbb_drs, build_scop_drs): New.
5387         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5388
5389 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5390
5391         * tree-ssa-loop.c: Include forgotten toplev.h
5392
5393 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5394
5395         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5396         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5397         * gcc.dg/graphite/pr37928.c: Same
5398         * gcc.dg/graphite/pr38409.c: Same
5399         * gcc.dg/graphite/pr38498.c: Same
5400         * gcc.dg/graphite/pr38559.c: Same
5401         * gcc.dg/graphite/pr39335.c: Same
5402         * gcc.dg/graphite/pr39335_1.c: Same
5403         * gfortran.dg/graphite/block-2.f: Same
5404         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5405         with -floop-*.
5406
5407 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5408
5409         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5410         build_access_matrix, build_scop_data_accesses): Remove access function
5411         building. (We get a new version soon).
5412         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5413         * sese.h (nb_loops_around_loop_in_sese): Remove.
5414         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5415
5416 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5417             Sebastian Pop  <sebastian.pop@amd.com>
5418
5419         * graphite-scop-detection.c (struct scopdet_info): Rename last
5420         field to exit.
5421         (scopdet_basic_block_info, build_scops_1): Don't use
5422         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5423
5424 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5425             Sebastian Pop  <sebastian.pop@amd.com>
5426
5427         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5428         * sese.c (sese_build_liveouts_use): Renamed from
5429         sese_build_livein_liveouts_use. Remove liveins.
5430         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5431         Call sese_build_liveouts_use.
5432         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5433         Call sese_build_liveouts_bb.
5434         (new_sese, free_sese): Remove liveins.
5435         (sese_add_exit_phis_var): Deleted.
5436         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5437         directly.
5438         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5439
5440         * sese.h (sese): Remove num_ver and livein.
5441         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5442
5443 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5444
5445         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5446
5447 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5448
5449         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5450         (build_scop_scattering): Do not use compare_prefix_loops any more.
5451         (nb_common_loops): New.
5452
5453 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5454
5455         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5456         (register_old_and_new_names): Renamed set_rename.
5457
5458 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5459
5460         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5461         of the decl from the previous commit.
5462
5463 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5464
5465         * graphite-scop-detection.c (dot_scop): New.
5466         * graphite-scop-detection.h (dot_scop): Declared.
5467
5468 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5469
5470         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5471
5472 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5473
5474         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5475         condition at the end of the loop.
5476         * graphite.c (graphite_initialize, graphite_finalize): Print to
5477         dump_file the compiled function.
5478         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5479         of create_empty_loop_on_edge.
5480         (translate_clast): Update the code generation of loops for the new
5481         shape of loops.
5482         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5483
5484 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         Reverted the patch from 2009-03-19.
5487
5488 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5489
5490         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5491         poly_drs vector.
5492         (print_scop): Style.
5493         * graphite-poly.h (poly_bb): Add drs vector.
5494         (PBB_DRS): Add accessor.
5495         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5496         (build_access_matrix_with_af, build_access_matrix,
5497         build_scop_data_accesses): Delete.
5498         (build_poly_dr): New.
5499         (build_pbb_drs, build_scop_drs): New.
5500         (build_poly_scop): call build_scop_drs.
5501
5502 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5503
5504         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5505         once per basic block.
5506
5507 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5508
5509         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5510         (graphite_can_represent_expr): Renamed from loop_affine_expr
5511         and enhanced.
5512         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5513         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5514         (scopdet_basic_block_info): Actually define entry_block.
5515         (stmt_simple_memref_p): Moved here from ...
5516
5517         * tree-data-ref.c (stmt_simple_memref_p): here.
5518         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5519
5520 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5521
5522         * gcc.dg/graphite/id-4.c: New.
5523
5524 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5525
5526         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5527         (register_old_and_new_names): Update the content of the map.
5528         When there was already a rename_map_elt in the map at that
5529         location, free it.
5530         (copy_bb_and_scalar_dependences): Do rename_variables after
5531         expand_scalar_variables.
5532         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5533         of the map.  When there was already a rename_map_elt in the
5534         map at that location, free it.
5535         (translate_clast): Pass the rename_map.  Do not initialize and free
5536         a rename_map per stmt_user.
5537         (gloog): Initialize and free one rename_map and pass it to
5538         translate_clast.
5539
5540 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5541
5542         * sese.c (expand_scalar_variables_stmt,
5543         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5544         parameter.
5545         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5546         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5547         the gimple_stmt_iterator of the statement to be expanded.
5548         * graphite-scop-detection.c (is_simple_operand): Do handle
5549         REALPART_EXPR.
5550
5551 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5552
5553         * graphite-scop-detection.c (is_simple_operand): Do not handle
5554         REALPART_EXPR.
5555         * gcc.dg/graphite/id-2.c: New.
5556
5557         * graphite-sese-to-poly.c (build_bb_loops,
5558         add_value_to_dim, scan_tree_for_params_right_scev,
5559         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5560         find_params_in_bb, build_loop_iteration_domains,
5561         add_conditions_to_domain): Remove subtract.
5562
5563 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5564
5565         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5566         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5567         pbb_loop_at_index -> gbb_loop_at_index.
5568         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5569         (debug_loop_vec): Delete.
5570         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5571         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5572         (PBB_LOOPS): Removed.
5573         (PBB_BLACK_BOX): Insert cast.
5574         (pbb_set_black_box): New setter.
5575         (pbb_loop_at_index, pbb_loop_index): Removed.
5576         (scop_set_region, scop_set_nb_params): New.
5577         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5578         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5579         (build_poly_scop): Use scop_set_nb_params.
5580         * sese.h (gimple_bb): Add LOOPS.
5581         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5582
5583 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5584
5585         Revert previous commit.
5586
5587 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5588
5589         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5590         (register_old_and_new_names): Update the content of the map.
5591         When there was already a rename_map_elt in the map at that
5592         location, free it.
5593         (copy_bb_and_scalar_dependences): Do rename_variables after
5594         expand_scalar_variables.
5595         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5596         of the map.  When there was already a rename_map_elt in the
5597         map at that location, free it.
5598         (translate_clast): Pass the rename_map.  Do not initialize and free
5599         a rename_map per stmt_user.
5600         (gloog): Initialize and free one rename_map and pass it to
5601         translate_clast.
5602
5603 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5604
5605         Remove forgotten line in revert.
5606
5607 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5608
5609         Revert previous commit.
5610
5611 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5612
5613         * sese.c (register_old_and_new_names): Update the content
5614         of the map.  When there was already a rename_map_elt in the
5615         map at that location, free it.
5616         (copy_bb_and_scalar_dependences): Do rename_variables after
5617         expand_scalar_variables.
5618         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5619         of the map.  When there was already a rename_map_elt in the
5620         map at that location, free it.
5621         (translate_clast): Pass the rename_map.  Do not initialize and free
5622         a rename_map per stmt_user.
5623         (gloog): Initialize and free one rename_map and pass it to
5624         translate_clast.
5625
5626 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5627
5628         * graphite-clast-to-gimple.c (translate_clast): context_loop
5629         is never NULL.
5630
5631 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5632             Sebastian Pop  <sebastian.pop@amd.com>
5633
5634         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5635         of the use of ppl_Polyhedron_map_space_dimensions.
5636
5637 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5638             Sebastian Pop  <sebastian.pop@amd.com>
5639
5640         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5641         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5642         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5643         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5644         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5645         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5646         pbb_nb_params): New.
5647         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5648         nb_loops_around_pbb): Adapt return types.
5649
5650 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5651
5652         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5653         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5654         graphite-scop-detection.o, graphite-poly.o): Add
5655         more headers.
5656
5657 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5658
5659         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5660         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5661         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5662
5663 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5664
5665         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5666         * gcc.dg/graphite/pr37828.c: Same.
5667         * gcc.dg/graphite/pr37684.c: Same.
5668         * gcc.dg/graphite/block-0.c: Same.
5669         * gcc.dg/graphite/block-1.c: Same.
5670         * gcc.dg/graphite/block-2.c: Same.
5671         * gcc.dg/graphite/block-3.c: Same.
5672         * gcc.dg/graphite/block-4.c: Same.
5673         * gcc.dg/graphite/block-5.c: Same.
5674         * gcc.dg/graphite/block-6.c: Same.
5675         * gfortran.dg/graphite/pr38083.f90: Same.
5676         * gfortran.dg/graphite/block-1.f90: Same.
5677         * gfortran.dg/graphite/block-3.f90: Same.
5678         * gfortran.dg/graphite/pr37852.f90: Same.
5679         * gfortran.dg/graphite/block-4.f90: Same.
5680         * gfortran.dg/graphite/pr37980.f90: Same.
5681         * gfortran.dg/graphite/pr38953.f90: Same.
5682         * gfortran.dg/graphite/pr37857.f90: Same.
5683         * opts.c: Remove -floop-block from -O2.
5684         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5685         -floop-strip-mine are used.
5686
5687 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5688             Sebastian Pop  <sebastian.pop@amd.com>
5689
5690         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5691         dimensions.
5692         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5693         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5694         strip_mine_profitable_p, is_interchange_valid,
5695         graphite_trans_bb_block, graphite_trans_loop_block,
5696         graphite_trans_scop_block): Temporary removed.
5697         (extend_scattering, unify_scattering_dimensions): New.
5698         (print_scattering_function, graphite_read_transforms):
5699         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5700         (graphite_generate_scattering_fns): Removed.
5701         (apply_poly_transforms): Cleanup.
5702         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5703         (schedule_to_scattering): Moved.
5704         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5705         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5706         (pbb_nb_scattering): New.
5707         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5708         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5709         Removed.
5710         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5711         shift_poly.
5712         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5713         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5714         -> PBB_TRANSFORMED_SCATTERING.
5715         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5716         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5717         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5718         (check_poly_representation): Do not return bool.
5719         (graphite_transform_loops): Reformat.
5720         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5721
5722 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5723
5724         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5725         debug_pbb_domain, debug_pbb, debug_scop): New.
5726         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5727         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5728
5729 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5730
5731         PR middle-end/39335
5732         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5733         when the type precision of the induction variable should be
5734         larger than the type precision of nit.
5735         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5736         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5737         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5738
5739         * gcc.dg/graphite/pr39335_1.c: New.
5740         * gcc.dg/graphite/pr39335.c: New.
5741
5742 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5743
5744         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5745         SSA_NAMES not struct reduction_info.
5746
5747 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5748
5749         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5750
5751 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5752             Tobias Grosser  <grosser@fim.uni-passau.de>
5753
5754         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5755         (free_sese): Free SESE_REDUCTION_LIST.
5756         * sese.h (struct sese): Add field reduction_list.
5757         (SESE_REDUCTION_LIST): New.
5758         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5759         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5760
5761 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5762             Tobias Grosser  <grosser@fim.uni-passau.de>
5763
5764         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5765         of loop_p.
5766
5767 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5768             Tobias Grosser  <grosser@fim.uni-passau.de>
5769
5770         * tree-parloops.c (struct brli, build_reduction_list_info,
5771         analyze_reduction_list, gather_scalar_reductions): New.
5772         (loop_parallel_p): Build a reduction list containing only
5773         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5774         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5775         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5776         * tree-flow.h (gather_scalar_reductions): Declared.
5777
5778 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5779
5780         PR middle-end/39308
5781         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5782         number_of_iterations_exit from a gcc_assert.
5783
5784 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5785             Jan Sjodin  <jan.sjodin@amd.com>
5786
5787         * output.h (graphite_out_file, graphite_in_file): Declared.
5788         * toplev.c (graphite_out_file, graphite_in_file): New.
5789         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5790         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5791         Don't call schedule_to_scattering.
5792         * common.opt (fgraphite-write, fgraphite-read): New.
5793         * graphite-poly.c: Include output.h.
5794         (print_scattering_function, print_scattering_functions,
5795         debug_scattering_function, debug_scattering_functions,
5796         graphite_write_transforms, graphite_read_transforms,
5797         graphite_generate_scattering_fns): New.
5798         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5799         Call graphite_generate_scattering_fns, graphite_write_transforms,
5800         graphite_read_transforms.
5801         (new_poly_bb): Initialize PBB_SCATTERING.
5802         (free_poly_bb): Free PBB_SCATTERING.
5803         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5804         * graphite-poly.h (struct poly_bb): Add field scattering.
5805         (PBB_SCATTERING): New.
5806         (print_scattering_function, print_scattering_functions,
5807         debug_scattering_function, debug_scattering_functions): Declared.
5808         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5809         GMP values, not integers!
5810         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5811         ppl_read_polyhedron_matrix): New.
5812         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5813         debug_ppl_polyhedron_matrix,
5814         ppl_read_polyhedron_matrix): Declared.
5815         * Makefile.in (graphite-poly.o): Depends on output.h.
5816
5817 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5818             Tobias Grosser  <grosser@fim.uni-passau.de>
5819
5820         Revert this change:
5821         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5822         scalar evolutions in the scop_entry->loop_father.
5823
5824 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5825             Tobias Grosser  <grosser@fim.uni-passau.de>
5826
5827         * graphite.h (ref_nb_loops): Remove declaration.
5828         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5829         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5830         debug_gbb): Moved to sese.h.
5831         * sese.h: As said.
5832
5833 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5834             Tobias Grosser  <grosser@fim.uni-passau.de>
5835
5836         * graphite-data-ref.[ch]: Disable.
5837
5838 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5839             Tobias Grosser  <grosser@fim.uni-passau.de>
5840
5841         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5842         scalar evolutions in the scop_entry->loop_father.
5843
5844 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5845
5846         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5847         (graphite_cannot_represent_loop_niter): Renamed
5848         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5849         (limit_scops): build_sese_loop_nests does not return a bool.
5850         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5851         * sese.c (nb_reductions_in_loop): ... from here.
5852         (graphite_loop_normal_form): ... from here.
5853         (sese_record_loop): Does not fail, so does not return a bool.
5854         (build_sese_loop_nests): Same.
5855         * sese.h (build_sese_loop_nests): Update declaration.
5856         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5857         (build_graphite_loop_normal_form): New.
5858         (gloog): Call build_graphite_loop_normal_form.
5859         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5860         build_sese_loop_nests.
5861
5862         * gcc.dg/graphite/id-1.c: New.
5863
5864 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5865             Tobias Grosser  <grosser@fim.uni-passau.de>
5866
5867         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5868         The SCoP detection fix is sufficient.
5869
5870 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5871
5872         PR tree-optimization/39260
5873         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5874         the basic block contains a condition with a real type.
5875         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5876
5877         * gcc.dg/graphite/pr39260.c: New.
5878
5879 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5880
5881         * graphite-poly.c: Inlcude params.h.
5882         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5883         the size of a tile.
5884         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5885         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5886
5887 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5888             Tobias Grosser  <grosser@fim.uni-passau.de>
5889
5890         * graphite-scop-detection.c (dot_all_scops_1,
5891         dot_all_scops): Moved here.
5892         * graphite-scop-detection.h (dot_all_scops): Declared here.
5893         * graphite.c (graphite_initialize, graphite_finalize): New.
5894         (graphite_transform_loops): Cleaned up.
5895         * sese.c (debug_oldivs): Moved here.
5896         * graphite-poly.c (graphite_apply_transformations): Renamed
5897         apply_poly_transforms.
5898         (debug_loop_vec): Moved here.
5899         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5900         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5901         find_scop_parameters, build_scop_iteration_domain,
5902         add_conditions_to_constraints, build_scop_canonical_schedules,
5903         build_scop_data_accesses): Now static.
5904         (build_poly_scop, check_poly_representation): New.
5905
5906 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5907
5908         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5909         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5910         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5911         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5912         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5913         scan_tree_for_params, struct irp_data, dx_record_params,
5914         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5915         build_loop_iteration_domains, add_conditions_to_domain,
5916         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5917         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5918         build_sese_conditions, add_conditions_to_constraints,
5919         build_scop_iteration_domain, build_access_matrix_with_af,
5920         build_access_matrix,
5921         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5922
5923         * graphite-sese-to-poly.c: New.
5924         * graphite-sese-to-poly.h: New.
5925
5926         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5927
5928 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5929
5930         * graphite.c: Split graphite code generation to a new file.
5931         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5932         max_precision_type, clast_to_gcc_expression_red,
5933         clast_to_gcc_expression, gcc_type_for_clast_expr,
5934         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5935         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5936         graphite_create_new_guard, clast_get_body_of_loop,
5937         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5938         graphite_create_new_loop, build_iv_mapping, copy_renames,
5939         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5940         compute_cloog_iv_types, free_scattering, save_var_name,
5941         initialize_cloog_names, build_scop_context, build_cloog_prog,
5942         set_cloog_options, debug_clast_stmt, scop_to_clast,
5943         print_generated_program, debug_generated_program,
5944         gloog): Moved to graphite-clast-to-gimple.c.
5945
5946         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5947
5948         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5949         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5950         loop_iv_stack_pop, loop_iv_stack_get_iv,
5951         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5952         free_loop_iv_stack, loop_iv_stack_remove_constants,
5953         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5954         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5955         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5956         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5957         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5958         get_vdef_before_sese, sese_adjust_vphi,
5959         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5960         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5961         is_iv, expand_scalar_variables_ssa_name,
5962         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5963         expand_scalar_variables, rename_variables, remove_condition,
5964         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5965         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5966         default_liveout_before_guard, add_guard_exit_phis,
5967         insert_guard_phis, register_old_and_new_names,
5968         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5969         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5970         if_region_set_false_region, create_if_region_on_edge,
5971         move_sese_in_condition): Moved to sese.c.
5972
5973         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5974         if_region_exit, if_region_get_condition_block,
5975         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5976         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5977         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5978         ivtype_map_elt, new_ivtype_map_elt,
5979         recompute_all_dominators): Moved to sese.h.
5980
5981         * graphite-clast-to-gimple.c: New.
5982         * graphite-clast-to-gimple.h: New.
5983         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5984         * sese.c: Modified as said above.
5985         * sese.h: Same.
5986
5987 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5988
5989         * graphite.c: Split scop detection to a new file.
5990         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5991         move_sd_regions, loop_affine_expr, exclude_component_ref,
5992         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5993         graphite_cannot_represent_loop_niter, struct scopdet_info,
5994         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5995         find_single_entry_edge, find_single_exit_edge,
5996         create_single_entry_edge, sd_region_without_exit,
5997         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5998         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5999         Moved to graphite-scop-detection.c.
6000
6001         * graphite-scop-detection.c: New.
6002         * graphite-scop-detection.h: New.
6003         * Makefile.in: Add new rule for graphite-scop-detection.o.
6004
6005         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
6006         tree-scalar-evolution.h.
6007         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
6008         build_sese_loop_nests): Moved here from graphite.c.
6009         (param_index): Renamed parameter_index_in_region.
6010
6011 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6012             Sebastian Pop  <sebastian.pop@amd.com>
6013
6014         * gcc.dg/graphite/block-0.c: Expected to fail now.
6015         * gcc.dg/graphite/block-1.c: Same.
6016         * gcc.dg/graphite/block-5.c: Same.
6017         * gcc.dg/graphite/block-6.c: Same.
6018
6019 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6020             Sebastian Pop  <sebastian.pop@amd.com>
6021
6022         * graphite.h: Separate from graphite_bb_p the polyhedral
6023         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
6024         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
6025         graphite-data-ref.h.
6026         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
6027         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
6028         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
6029         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
6030         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
6031         scop_nb_params): Moved to graphite-poly.h.
6032         * graphite-data-ref.c: Same.
6033         * graphite-data-ref.h: New.
6034         * graphite.c: Same.
6035         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
6036         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
6037         is_interchange_valid, graphite_trans_bb_block,
6038         graphite_trans_loop_block, scop_max_loop_depth,
6039         graphite_trans_scop_block, graphite_apply_transformations,
6040         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
6041         graphite-poly.c.
6042         * graphite-poly.h: New.
6043         * graphite-poly.c: New.
6044         * Makefile.in (OBJS-common): Add graphite-poly.o.
6045         (graphite-poly.o): New rule.
6046         * tree-data-ref.h (struct data_reference): Remove unused scop field.
6047         (DR_SCOP): Removed.
6048
6049 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6050             Tobias Grosser  <grosser@fim.uni-passau.de>
6051
6052         * graphite.c: Replace gb -> gbb.
6053         * graphite.h: Same.
6054         * graphite-data-ref.c: Same.
6055
6056 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6057             Tobias Grosser  <grosser@fim.uni-passau.de>
6058
6059         * Makefile.in (OBJS-commmon): Add sese.o.
6060         (sese.o): New.
6061         (graphite.o): Add sese.h.
6062         * graphite.c (bb_in_ss_p, loop_in_sese_p,
6063         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
6064         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
6065         Move to sese.
6066         (block_before_scop): Add missing return.
6067         (new_scop, free_scop): Remove SESE data structures.
6068         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
6069         find_scop_parameters, build_loop_iteration_domains,
6070         add_conditions_to_domain, register_scop_liveout_renames,
6071         copy_bb_and_scalar_dependences): Scop -> SESE.
6072
6073         (add_conditions_to_domain): SCoP -> SESE and remove check
6074         (scop_contains_non_iv_scalar_phi_nodes): New.
6075         (build_scop_conditions_1, build_scop_conditions): Remove check for
6076         non iv scalar phi nodes.
6077         (print_scop_statistics): New.
6078         (graphite_transform_loops): Cleanup.
6079
6080         * graphite.h: Move to sese & cleanup.
6081         * sese.c: New.
6082         * sese.h: New.
6083
6084 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6085             Tobias Grosser  <grosser@fim.uni-passau.de>
6086
6087         * graphite.c (build_scop_conditions_1): Conditions are only
6088         at the end of a basic block.
6089
6090 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6091             Tobias Grosser  <grosser@fim.uni-passau>
6092
6093         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
6094         field.
6095         (GBB_ALPHA): Removed.
6096
6097 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6098             Tobias Grosser  <grosser@fim.uni-passau.de>
6099
6100         * graphite-data-ref.c (graphite_test_dependence): Don't use
6101         GBB_DYNAMIC_SCHEDULE.
6102         * graphite.c (new_graphite_bb): Same.
6103         (free_graphite_bb): Same.
6104         (build_scop_dynamic_schedules): Removed.
6105         (graphite_transform_loops): Don't call it.
6106         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
6107         (GBB_DYNAMIC_SCHEDULE): Removed.
6108
6109 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6110             Tobias Grosser  <grosser@fim.uni-passau.de>
6111
6112         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
6113         (print_graphite_bb): Same.
6114         (build_cloog_prog): Same.
6115
6116 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6117             Tobias Grosser  <grosser@fim.uni-passau.de>
6118
6119         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
6120
6121 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6122             Tobias Grosser  <grosser@fim.uni-passau.de>
6123
6124         * graphite.c (build_scop_context): Don't use CloogMatrix.
6125         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
6126         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
6127
6128 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6129             Tobias Grosser  <grosser@fim.uni-passau.de>
6130
6131         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
6132         liveout_renames, add_params fields...
6133         (struct sese): ... here.
6134         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
6135         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
6136
6137 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6138             Tobias Grosser  <grosser@fim.uni-passau.de>
6139
6140         * graphite.c (print_scop): Do not print the CLooG program.
6141         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
6142         build_cloog_prog, gloog): Don't use SCOP_PROG.
6143         (find_transform): Renamed scop_to_clast.
6144         (print_generated_program, debug_generated_program): New.
6145         (graphite_transform_loops): Adapt to new interface.
6146         * graphite.h (struct scop): Remove program field.
6147         (SCOP_PROG): Removed.
6148         (print_generated_program, debug_generated_program): Declared.
6149
6150 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6151
6152         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
6153         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
6154         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
6155         free_graphite_bb, build_scop_canonical_schedules,
6156         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
6157         schedules are now represented using a ppl_Linear_Expression_t.
6158         * graphite.h (struct graphite_bb): Same.
6159         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
6160         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
6161
6162 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6163
6164         * graphite.c: Free local memory.
6165         * graphite-ppl.c: Same.
6166
6167 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6168
6169         * graphite.c (const_column_index, get_first_matching_sign_row_index,
6170         get_lower_bound_row, get_upper_bound_row, copy_constraint,
6171         swap_constraint_variables, scale_constraint_variable): Removed.
6172         (graphite_trans_bb_strip_mine): Remove pong.
6173         * graphite-ppl.c: Include missing header files.
6174         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
6175         * graphite-ppl.h (ppl_strip_loop): Declared.
6176         * Makefile.in (graphite-ppl.o): Adjust dependences.
6177
6178 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
6179
6180         * graphite.c (build_loop_iteration_domains): Remove ping pong.
6181         (build_scop_iteration_domain): Same.
6182
6183 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6184
6185         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6186         ping pong.
6187         (add_value_to_dim, scan_tree_for_params_right_scev,
6188         scan_tree_for_params_int): New.
6189         * graphite-ppl.c (oppose_constraint): New.
6190         (insert_constraint_into_matrix): Implement missing cases.
6191         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6192
6193 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6194
6195         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6196         use ppl_move_dimension.
6197
6198 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6199
6200         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
6201         * graphite.c: Same.
6202         * graphite.h: Same.
6203         * graphite-ppl.c: Same.
6204         * graphite-ppl.h: Same.
6205
6206 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6207
6208         Revert last 3 commits.
6209
6210 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6211
6212         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6213         ping pong.
6214         (add_value_to_dim, scan_tree_for_params_right_scev,
6215         scan_tree_for_params_int): New.
6216         * graphite-ppl.c (oppose_constraint): New.
6217         (insert_constraint_into_matrix): Implement missing cases.
6218         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6219
6220 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6221
6222         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
6223
6224 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6225             Tobias Grosser  <grosser@fim.uni-passau.de>
6226
6227         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6228         use ppl_move_dimension.
6229         * graphite-ppl.c (ppl_move_dimension): New.
6230         * graphite-ppl.h (ppl_move_dimension): Declared.
6231
6232 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6233
6234         * graphite.c: Do not include cloog/cloog.h.
6235         (print_graphite_bb): Remove ping pong, call PPL print function.
6236
6237 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6238
6239         * Makefile.in (OBJS-common): Add graphite-ppl.o.
6240         (graphite.o): Add dependence on graphite-ppl.h.
6241         (graphite-ppl.o): New.
6242         (graphite-data-ref.c): Ping pong between PPL data structures
6243         and matrices.
6244         * graphite-ppl.c: New.
6245         * graphite-ppl.h: New.
6246         * graphite.c: Include graphite-ppl.h.
6247         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
6248         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
6249         Ping pong between PPL data structures and matrices.
6250         (new_graphite_bb): Create a PPL constraint system.
6251         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
6252         (build_loop_iteration_domains): Use PPL functions.
6253         * graphite.h: Include graphite-ppl.h.  Fix comments.
6254         (graphite_bb): Use a ppl_Constraint_System_t instead of
6255         CloogMatrix for representing the domain.
6256         (scop): Remove static_schedule.
6257         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
6258
6259 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
6260
6261         * graphite.c: Fix some comments.
6262
6263 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6264
6265         PR middle-end/38953
6266         * graphite.c (if_region_set_false_region): After moving a region
6267         in the false branch of a condition, remove the empty dummy
6268         basic block.
6269         (gloog): Remove wrong fix for PR38953.
6270
6271 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6272
6273         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6274         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6275         register_bb_in_sese, new_sese, free_sese): Moved.
6276         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6277         outermost_loop_in_scop, build_scop_iteration_domain,
6278         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6279         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6280         Use loop_in_sese_p instead of loop_in_scop_p.
6281         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6282         (free_scop): Do not free SCOP_BBS_B.
6283         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6284         ref_nb_loops): Moved here...
6285         * graphite.h (ref_nb_loops): ... from here.
6286         (struct scop): Remove bbs_b bitmap.
6287         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6288         * gcc.dg/graphite/scop-19.c: New
6289
6290 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6291
6292         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6293         detection.
6294
6295 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6296
6297         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6298         eq_loop_to_cloog_loop): Remove.
6299         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6300         * graphite.h (struct scop): Remove loop2cloog_loop.
6301         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6302
6303 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6304
6305         * opts.c (decode_options): Only add graphite options to O2
6306         if we compile with graphite enabled.
6307
6308 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6309
6310         * Merge from mainline (r143163:143684).
6311
6312 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6313
6314         * graphite.c (debug_value): Removed.
6315         * graphite.h (debug_value): Removed.
6316
6317 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6318
6319         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6320         after graphite: pass_copy_prop does not maintain a proper loop closed
6321         SSA form.  pass_copy_prop should be fixed.
6322
6323 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6324
6325         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6326
6327 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6328
6329         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6330         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6331         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6332         changed the CFG.
6333
6334 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite.c (gloog): Return true when code gen succeeded.
6337         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6338         the code of the function did not changed.  After cleanup_tree_cfg
6339         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6340         form.
6341
6342 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6343
6344         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6345         gimple_call_lhs is NULL.
6346
6347 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6348             Tobias Grosser  <tobi.grosser@amd.com>
6349
6350         * graphite.c (graphite_trans_scop_block): Do not block single
6351         nested loops.
6352
6353 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6354             Tobias Grosser  <tobi.grosser@amd.com>
6355
6356         * graphite.c (build_scop_canonical_schedules): Start schedules at
6357         zero.
6358
6359 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6360             Tobias Grosser  <tobi.grosser@amd.com>
6361
6362         * graphite.c (compare_prefix_loops): New.
6363         (build_scop_canonical_schedules): Rewritten.
6364         (graphite_transform_loops): Move build_scop_canonical_schedules
6365         after build_scop_iteration_domain.
6366
6367 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6368             Tobias Grosser  <tobi.grosser@amd.com>
6369
6370         * graphite.c (add_conditions_to_domain): Add the loops to
6371         the dimension of the iteration domain.  Do copy the domain
6372         only when it exists.
6373         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6374         (add_conditions_to_constraints): New.
6375         (can_generate_code_stmt, can_generate_code): Removed.
6376         (gloog): Do not call can_generate_code.
6377         (graphite_transform_loops): Call add_conditions_to_constraints
6378         after building the iteration domain.
6379
6380 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6381             Tobias Grosser  <tobi.grosser@amd.com>
6382             Jan Sjodin  <jan.sjodin@amd.com>
6383
6384         * graphite.c (scan_tree_for_params): On substractions negate
6385         all the coefficients of the term.
6386         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6387         of more than two operands.
6388         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6389         (get_vdef_before_scop): Handle also the case of default definitions.
6390
6391 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6392
6393         PR middle-end/38431
6394         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6395         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6396         (gloog): Do not call cleanup_tree_cfg.
6397         (graphite_transform_loops): Call cleanup_tree_cfg after all
6398         scops have been code generated.
6399
6400 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6401
6402         * passes.c (init_optimization_passes): Schedule after
6403         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6404
6405 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6406
6407         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6408         Fix comment.
6409         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6410         Set the type of an expression to the type of its assign statement.
6411         (expand_scalar_variables_expr):  Do not pass loop_p.
6412         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6413         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6414         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6415
6416 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6417
6418         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6419         an expression to the gimple_expr_type of its assign statement.
6420         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6421         or tcc_declaration.
6422
6423 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6424
6425         PR tree-optimization/38786
6426         * gcc.dg/graphite/pr38786.c: New.
6427         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6428         the SSA_NAME case of expand_scalar_variables_expr.
6429         (expand_scalar_variables_expr): Also gather the scalar computation
6430         used to index the memory access.
6431         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6432         the gimple_stmt_iterator where it inserts new code.
6433
6434 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6435
6436         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6437
6438 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6439
6440         * opts.c (decode_options): Enable flag_graphite_identity and
6441         flag_loop_block in -O2 and above.
6442
6443 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6444
6445         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6446         Fix merge problem: replace with the file from trunk.
6447
6448 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6449
6450         * Merge from mainline (r141727:143163).
6451
6452 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6453             Jan Sjodin  <jan.sjodin@amd.com>
6454
6455         PR tree-optimization/38559
6456         * gcc.dg/graphite/pr38559.c: New.
6457
6458         * graphite.c (debug_value, copy_constraint,
6459         swap_constraint_variables, scale_constraint_variable, ): New.
6460         (get_lower_bound, get_upper_bound): Removed.
6461         (graphite_trans_bb_strip_mine): Clean up this code that works
6462         only for constant number of iterations.  Fully copy upper and
6463         lower bound constraints, not only the constant part of them.
6464         * graphite.h (debug_value): Declared.
6465
6466 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6467
6468         PR tree-optimization/38492
6469         PR tree-optimization/38498
6470         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6471         * tree-chrec.h (scev_is_linear_expression): Declared.
6472         * graphite.c (graphite_cannot_represent_loop_niter): New.
6473         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6474         (graphite_loop_normal_form): Use gcc_assert.
6475         (scan_tree_for_params): Use CASE_CONVERT.
6476         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6477         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6478         Use gcc_assert.  Discard scops that contain unhandled cases.
6479         (build_scop_conditions): Return a boolean status for unhandled cases.
6480         (strip_mine_profitable_p): Print the loop number, not its depth.
6481         (is_interchange_valid): Pass the depth of the loop nest, don't
6482         recompute it wrongly.
6483         (graphite_trans_bb_block): Same.
6484         (graphite_trans_bb_block): Print tentative of loop blocking.
6485         (graphite_trans_scop_block): Do not print that the loop has been
6486         blocked.
6487         (graphite_transform_loops): Do not handle scops that contain condition
6488         scalar phi nodes.
6489
6490         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6491         in trunk.
6492         * gcc.dg/graphite/block-0.c: Update test.
6493         * gcc.dg/graphite/block-1.c: Same.
6494         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6495         blocking.
6496         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6497         * gcc.dg/graphite/block-3.c: New.
6498         * gcc.dg/graphite/pr38498.c: New.
6499
6500 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6501
6502         PR tree-optimization/38510
6503         * gcc.dg/graphite/pr38510.c: New.
6504         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6505           (translate_clast): Call recompute_all_dominators before
6506           graphite_verify.
6507           (gloog): Call recompute_all_dominators before graphite_verify.
6508
6509 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6510
6511         PR tree-optimization/38492
6512         * graphite.c (rename_map_elt, debug_rename_elt,
6513         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6514         rename_map_elt_info, eq_rename_map_elts,
6515         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6516         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6517         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6518         (sese_build_livein_liveouts): New.
6519         (new_sese, free_sese): New.
6520         (new_scop): Call new_sese.
6521         (free_scop): Call free_sese.
6522         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6523         (register_old_new_names): Renamed register_old_and_new_names.
6524         (register_scop_liveout_renames, add_loop_exit_phis,
6525         insert_loop_close_phis, struct igp,
6526         default_liveout_before_guard, add_guard_exit_phis,
6527         insert_guard_phis, copy_renames): New.
6528         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6529         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6530         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6531         (scop_adjust_phis_for_liveouts): New.
6532         (gloog): Call scop_adjust_phis_for_liveouts.
6533
6534         * graphite.h (struct sese): Documented.  Added fields liveout,
6535         num_ver and livein.
6536         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6537         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6538         (struct scop): Added field liveout_renames.
6539         (SCOP_LIVEOUT_RENAMES): New.
6540
6541 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6542
6543         PR tree-optimization/38409
6544         * gcc.dg/graphite/pr38409.c: New.
6545         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6546
6547 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6548
6549         * graphite.c (gcc_type_for_cloog_iv): By default return
6550         integer_type_node.
6551         (graphite_create_new_loop): Don't fold_convert the already
6552         fold_convert-ed expression.
6553
6554 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6555
6556         PR tree-optimization/38446
6557         * gcc.dg/graphite/pr38446.c: New.
6558         * graphite.c (register_bb_in_sese): New.
6559         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6560         looking at the bbs in the region.
6561         * graphite.h (sese): Add region_basic_blocks pointer set to
6562         structure and initialize at the time of defining new scop.
6563
6564 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6565
6566         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6567         (find_params_in_bb): Do not free data refs.
6568         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6569
6570 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6571
6572         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6573         * gcc.dg/graphite/scop-17.c: Same.
6574         * gcc.dg/graphite/block-5.c: New.
6575         * gcc.dg/graphite/block-6.c: New.
6576         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6577         * gcc.dg/graphite/pr37684.c: Same.
6578         * gcc.dg/graphite/block-2.c: Same.
6579
6580         * graphite.c (struct ivtype_map_elt): New.
6581         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6582         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6583         gcc_type_for_cloog_iv): New.
6584         (loop_iv_stack_patch_for_consts): Use the type of the induction
6585         variable from the original loop, except for the automatically
6586         generated loops, i.e., in the case of a strip-mined loop, in
6587         which case there is no original loop: in that case just use
6588         integer_type_node.
6589         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6590         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6591         (clast_name_to_gcc): Accept params to be NULL.
6592         (clast_to_gcc_expression): Take an extra parameter for the type.
6593         Convert to that type all the expressions built by this function.
6594         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6595         (graphite_translate_clast_equation): Compute the type of the
6596         clast_equation before translating its LHS and RHS.
6597         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6598         (graphite_create_new_loop): Compute the type of the induction
6599         variable before translating the lower and upper bounds and before
6600         creating the induction variable.
6601         (rename_variables_from_edge, rename_phis_end_scop): New.
6602         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6603         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6604         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6605         compute_cloog_iv_types): New.
6606         (gloog): Call compute_cloog_iv_types before starting the
6607         translation of the clast.
6608
6609         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6610         (GBB_CLOOG_IV_TYPES): New.
6611         (debug_ivtype_map): Declared.
6612         (oldiv_for_loop): New.
6613
6614 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6615
6616         PR middle-end/38459
6617         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6618         (param_index): Assert if parameter is not know after parameter
6619         detection.
6620         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6621         (find_scop_parameters): Mark, that we have finished parameter
6622         detection.
6623         (graphite_transform_loops): Move condition detection before parameter
6624         detection.
6625         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6626         * gfortran.dg/graphite/pr38459.f90: New.
6627
6628 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6629
6630         * graphite.c (graphite_transform_loops): Always call find_transform ()
6631         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6632         generate code.
6633
6634 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6635
6636         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6637         (print_scop): Ditto.
6638
6639 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6640
6641         PR middle-end/38084
6642         Fix gfortran.dg/graphite/id-3.f90.
6643         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6644         regions more than once.
6645
6646 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6647
6648         Fix gfortran.dg/graphite/id-4.f90.
6649         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6650         when not needed.
6651
6652 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6653
6654         Fix gfortran.dg/graphite/id-1.f90.
6655         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6656         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6657         (max_precision_type): New.
6658         (value_clast): Removed.
6659         (clast_to_gcc_expression): Be more careful to types of expressions.
6660         Use max_precision_type and update use of gmp_cst_to_tree.
6661         (graphite_translate_clast_equation): Use max_precision_type.
6662         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6663         use the type of the condition.
6664         (graphite_create_new_loop): Do not use integer_type_node, use the
6665         max_precision_type of lb and ub.
6666
6667 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6668
6669         * graphite.c (build_scops_1): Initialize open_scop.exit
6670         and sinfo.last.
6671
6672 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6673
6674         * gcc.dg/graphite/pr38084.c: New.
6675         * gfortran.dg/graphite/id-1.f90: New.
6676         * gfortran.dg/graphite/id-2.f90: New.
6677         * gfortran.dg/graphite/id-3.f90: New.
6678         * gfortran.dg/graphite/id-4.f90: New.
6679         * gfortran.dg/graphite/pr37857.f90: New.
6680
6681 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6682             Jan Sjodin  <jan.sjodin@amd.com>
6683             Harsha Jagasia  <harsha.jagasia@amd.com>
6684
6685         PR middle-end/37852
6686         PR middle-end/37883
6687         PR middle-end/37928
6688         PR middle-end/37980
6689         PR middle-end/38038
6690         PR middle-end/38039
6691         PR middle-end/38073
6692         PR middle-end/38083
6693         PR middle-end/38125
6694
6695         * gcc.dg/graphite/pr38073.c: New.
6696         * gcc.dg/graphite/pr37928.c: New.
6697         * gcc.dg/graphite/pr37883.c: New.
6698         * gcc.dg/graphite/pr38125.c: New.
6699         * gfortran.dg/graphite/pr38083.f90: New.
6700         * gfortran.dg/graphite/pr37852.f90: New.
6701         * gfortran.dg/graphite/pr37980.f90: New.
6702
6703         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6704         the number of detected scops.  Copy exact same test for loop
6705         blocking...
6706         * gcc.dg/graphite/block-1.c: Fix the number of expected
6707         loops to be blocked as reductions are not handled.
6708         * gcc.dg/graphite/block-4.c: ...here.  New.
6709
6710         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6711         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6712         ...here.
6713         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6714         * Makefile.in (graphite.o): Depend on value-prof.h.
6715         (graphite.o-warn): Removed -Wno-error.
6716         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6717         to be a NULL pointer.  Call update_stmt.  Return the newly created
6718         cannonical induction variable.
6719
6720         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6721
6722         * graphite.c: Reimplement the code generation from graphite to gimple.
6723         Include value-prof.h.
6724         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6725         (get_old_iv_from_ssa_name): Removed.
6726         (graphite_stmt_p): New.
6727         (new_graphite_bb): Test for useful statements before building a
6728         graphite statement for the basic block.
6729         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6730         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6731         reason.
6732         (recompute_all_dominators, graphite_verify,
6733         nb_reductions_in_loop, graphite_loop_normal_form): New.
6734         (scop_record_loop): Call graphite_loop_normal_form.
6735         (build_scop_loop_nests): Iterate over all the blocks of the
6736         function instead of relying on the incomplete information from
6737         SCOP_BBS.  Return the success of the operation.
6738         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6739         (add_bb_domains): Removed.
6740         (build_loop_iteration_domains): Don't call add_bb_domains.
6741         Add the iteration domain only to the basic blocks that have been
6742         translated to graphite.
6743         (build_scop_conditions_1): Add constraints only if the basic
6744         block have been translated to graphite.
6745         (build_scop_data_accesses): Completely disabled until data
6746         dependence is correctly implemented.
6747         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6748         (remove_all_edges_1, remove_all_edges): Removed.
6749         (get_new_name_from_old_name): New.
6750         (graphite_rename_variables_in_stmt): Renamed
6751         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6752         Use replace_exp and update_stmt.
6753         (is_old_iv): Renamed is_iv.
6754         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6755         Use replace_exp and update_stmt.
6756         (expand_scalar_variables_expr): Same.  Use the map to get the
6757         new names for the renaming of induction variables and for the
6758         renaming of variables after a basic block has been copied.
6759         (expand_scalar_variables): Same.
6760         (graphite_rename_variables): Renamed rename_variables.
6761         (move_phi_nodes): Removed.
6762         (get_false_edge_from_guard_bb): New.
6763         (build_iv_mapping): Do not insert the induction variable of a
6764         loop in the renaming iv map if the basic block does not belong
6765         to that loop.
6766         (register_old_new_names, graphite_copy_stmts_from_block,
6767         copy_bb_and_scalar_dependences): New.
6768         (translate_clast): Heavily reimplemented: copy basic blocks,
6769         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6770         At each translation step call graphite_verify ensuring the
6771         consistency of the SSA, loops and dominators information.
6772         (collect_virtual_phis, find_vdef_for_var_in_bb,
6773         find_vdef_for_var_1, find_vdef_for_var,
6774         patch_phis_for_virtual_defs): Removed huge hack.
6775         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6776         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6777         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6778         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6779         if_region_get_condition_block, if_region_set_false_region,
6780         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6781         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6782         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6783         rewrite_into_sese_closed_ssa): New.
6784         (gloog): Remove dead code.  Early return if code cannot be
6785         generated.  Call cleanup_tree_cfg once the scop has been code
6786         generated.
6787         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6788         block loops with less than two loops.
6789         (graphite_apply_transformations): Remove the call to
6790         scop_remove_ignoreable_gbbs.
6791         (limit_scops): When build_scop_loop_nests fails, continue on
6792         the next scop.  Fix open_scop.entry.
6793         (graphite_transform_loops): Call recompute_all_dominators: force the
6794         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6795         Call initialize_original_copy_tables and free_original_copy_tables
6796         to be able to copy basic blocks during code generation.
6797         When build_scop_loop_nests fails, continue on next scop.
6798         (value_clast): New union.
6799         (clast_to_gcc_expression): Fix type cast warning.
6800
6801 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6802
6803         * Merge from mainline (r140838:141727).
6804
6805 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6806
6807         PR middle-end/37833
6808
6809         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6810
6811 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6812
6813         PR middle-end/37943
6814
6815         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6816         exits and conditions.
6817         * gcc.dg/graphite/pr37943.c: New.
6818
6819 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6820
6821         PR middle-end/37886
6822         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6823
6824 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6825
6826         * doc/invoke.texi: Fix spaces.
6827
6828 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6829
6830         PR tree-optimization/37891
6831         Reverted last commit.
6832         * graphite.c (create_single_entry_edge): Set
6833         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6834
6835 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6836             Mitul Thakkar  <mitul.thakkar@amd.com>
6837
6838         * graphite.c (create_single_entry_edge): Set
6839         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6840
6841 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6842
6843         * doc/invoke.texi: Add -fgraphite-identity.
6844         * graphite.c (graphite_apply_transformations): Check for
6845         -fgraphite-identity.
6846         * toplev.c (process_options): Add flag_graphite_identity.
6847         * tree-ssa-loop.c: Add flag_graphite_identity.
6848
6849 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6850
6851         Undo changes from 2008-10-02:
6852         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6853         operand type when copying the operand to a variable of different type.
6854         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6855         with the IV name after increment.
6856
6857 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6858             Harsha Jagasia  <harsha.jagasia@amd.com>
6859
6860         PR tree-optimization/37828
6861         * gcc.dg/graphite/pr37828.c: New.
6862         * graphite.c (graphite_trans_loop_block): Do not loop block
6863         single nested loops.
6864
6865 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6866             Sebastian Pop  <sebastian.pop@amd.com>
6867
6868         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6869         rename_map_elt_info, eq_rename_map_elts): New.
6870         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6871         (expand_scalar_variables_expr): Change parameters.
6872         (expand_scalar_variables_stmt): Same.
6873         (expand_scalar_variables): Same.
6874         (graphite_rename_ivs): Rename graphite_rename_variables.
6875         (build_iv_mapping): New.
6876         (translate_clast): Call build_iv_mapping.
6877         * graphite.h (gbb_p): New name.
6878
6879 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6880
6881         PR tree-optimization/37684
6882         * gcc.dg/graphite/pr37684.c: New.
6883         * graphite.c (exclude_component_ref): New.
6884         (is_simple_operand): Call exclude_component_ref.
6885
6886 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6887             Harsha Jagasia  <harsha.jagasia@amd.com>
6888
6889         PR tree-optimization/37485
6890         * gcc.dg/graphite/block-2.c: New
6891         * graphite.c (gmp_cst_to_tree): Moved.
6892         (iv_stack_entry_is_constant): New.
6893         (iv_stack_entry_is_iv): New.
6894         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6895         (loop_iv_stack_insert_constant): New.
6896         (loop_iv_stack_pop): Use new datatpype.
6897         (loop_iv_stack_get_iv): Same.
6898         (loop_iv_stack_get_iv_from_name): Same.
6899         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6900         (loop_iv_stack_patch_for_consts): New.
6901         (loop_iv_stack_remove_constants): New.
6902         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6903         (translate_clast): Call loop_iv_stack_patch_for_consts and
6904         loop_iv_stack_remove_constants.
6905         (gloog): Use new datatype.  Redirect construction edge to end
6906         block to avoid accidental deletion.
6907         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6908         iv stack entry.
6909         (union iv_stack_entry_data): New.  Data in iv stack entry.
6910         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6911
6912 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6913
6914         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6915         operand type when copying the operand to a variable of different type.
6916
6917 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6918
6919         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6920         with the IV name after increment.
6921
6922 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6923
6924         * Merge from mainline (r140164:140838).
6925
6926 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6927
6928         * graphite-data-ref.c: New.
6929         * graphite.c (print_scop): Also dump the dependence graph.
6930         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6931         (new_scop): Initialize SCOP_DEP_GRAPH.
6932         (build_scop_dynamic_schedules): New.
6933         (build_access_matrix_with_af): Fixed column numbering.
6934         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6935         * graphite.h: Add ifndef/define guards against multiple inclusion.
6936         (struct scop): Add dep_graph field.
6937         (SCOP_DEP_GRAPH): Defined.
6938         (ref_nb_loops): Fixed and moved to other position.
6939         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6940         (nb_loops_around_loop_in_scop): New.
6941         (graphite_dump_dependence_graph): Declared.
6942         (graphite_build_rdg_all_levels): Declared.
6943         (graphite_test_dependence): Declared.
6944         * Makefile.in (graphite-data-ref.o): New target.
6945
6946 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6947
6948         * Merge from mainline (139870:140164).
6949
6950 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6951
6952         * Merge from mainline (138275:139870).
6953         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6954         the commits from trunk broke the niter detection.
6955
6956 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6957
6958         * graphite.c: Add more documentation.  Fix formatting.
6959         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6960         loop_iv_stack_debug): Moved...
6961         (schedule_to_scattering): Move before use.
6962         (dot_all_scops): Include in "#if 0" the code for system
6963         call dotty.
6964
6965         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6966         loop_iv_stack_debug): ...here.
6967
6968 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6969
6970         * tree-phinodes.c (make_phi_node): Extern.
6971         (add_phi_node_to_bb): New.
6972         (create_phi_node): Call add_phi_node_to_bb.
6973         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6974         (remove_statement): Handle case where stored phi was updated
6975         and is no longer the same.
6976         * graphite.c (is_parameter): New.
6977         (is_old_iv): New.
6978         (expand_scalar_variables_expr): New.
6979         (expand_scalar_variables_stmt): New.
6980         (expand_scalar_variables): New.
6981         (move_phi_nodes): Create new phi instead of moving old one.
6982         (translate_clast): Call expand_scalar_variables.
6983         (find_vdef_for_var_in_bb): Also scan regular definitions.
6984         (skip_phi_defs): New.
6985         (collect_scop_exit_phi_args): New.
6986         (patch_scop_exit_phi_args): New.
6987         (gloog): Patch phis after scop.
6988         * tree-flow.h: (add_phi_node_to_bb): Declared.
6989         (make_phi_node): Declared.
6990
6991 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6992
6993         * graphite.c (end_scop): Split the entry of the scop when it
6994         is the header of the loop in which the scop is ending.
6995         (build_scops_1, limit_scops): Update uses of end_scop.
6996
6997 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6998
6999         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
7000         SCOP_ENTRY or SCOP_EXIT.
7001
7002 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7003
7004         * graphite.c (get_construction_edge): Removed.
7005         (gloog): Construction edge is the scop entry edge.
7006
7007 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7008
7009         * graphite.c (can_generate_for_scop): Removed.
7010         (gloog): Do not call it.
7011
7012 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7013
7014         * graphite.c (new_scop): Entry of a scop is an edge.
7015         Initialize SESE region.
7016         (free_scop): Free SESE region.
7017         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
7018         (split_difficult_bb): New, split from end_scop.
7019         (end_scop): Exit of a scop is an edge.
7020         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
7021         not automatically updated and thus is always wrong.
7022         * graphite.h (struct sese): New.
7023         (SESE_ENTRY): New.
7024         (SESE_EXIT): New.
7025         (struct scop): New field for a SESE region.  Remove entry, exit.
7026         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
7027         semantics as before.  Moved comment around.
7028
7029 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7030             Sebastian Pop  <sebastian.pop@amd.com>
7031
7032         * graphite.c (graphite_transform_loops): Always enable gloog
7033         and find_transform when ENABLE_CHECKING.
7034
7035 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7036
7037         * graphite.c (graphite_transform_loops): Move pretty printer
7038         of SCOPs before doing any transform.  Remove call to print_scops
7039         and dot_all_scops_1.
7040
7041 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7042
7043         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
7044         (print_graphite_bb): Same.
7045
7046 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7047
7048         * graphite.c (dot_all_scops_1): Cleanup.
7049         (move_scops): Fix comment.
7050
7051 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7052
7053         * graphite.c (build_scop_bbs): Revert commit 139355:
7054
7055         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7056                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7057
7058                 * graphite.c (build_scop_bbs): Factor up code.
7059
7060 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7061
7062         * graphite.c (gloog): Update dominator info.
7063
7064 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7065
7066         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
7067
7068 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7069
7070         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
7071         initialization.
7072         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
7073         (translate_clast): Correct formatting.
7074         * graphite.h (struct num_map): Removed.
7075         (struct graphite_bb): Remove num_map field.
7076         (GBB_INDEX_TO_NUM_MAP): Removed.
7077
7078 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7079
7080         * graphite.c (build_access_matrix_with_af): Fix comments.
7081         (build_scop_data_accesses): Same.
7082
7083 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7084
7085         * graphite.c (build_scop_data_accesses): Don't construct
7086         access matrices.  Add a FIXME and an assert condition that
7087         should pass when the access matrices will be needed.
7088
7089 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7090
7091         * tree-data-ref.c (stmt_simple_memref_p): Don't call
7092         really_constant_p.
7093         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
7094         Moved close by free_graphite_bb.
7095         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
7096         (new_scop): Move close by free_scop.
7097         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
7098
7099 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
7100
7101         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
7102         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
7103         instead of recursive call.
7104         (graphite_translate_clast_equation): New.
7105         (graphite_create_guard_cond_expr): New.
7106         (graphite_create_new_guard): New.
7107         (get_stack_index_from_iv): Removed.
7108         (graphite_rename_ivs_stmt): Use gbb_loop_index.
7109         (get_true_edge_from_guard_bb): New.
7110         (translate_clast): Handle stmt_guard in clast.
7111         (get_construction_edge): Allow construction edge detection for
7112         a scope entry with multiple predecessors if one predecessor is
7113         the immediate dominator of scope entry.
7114         (can_generate_code_stmt): Enable code generation for clast_guard.
7115         (gloog): Use correct context loop.  Removed check for post dominators.
7116         * cfgloop.h (create_empty_if_region_on_edge): Declared.
7117
7118 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7119
7120         * graphite.c (remove_dead_loops): Document better which
7121         loops are removed.
7122
7123 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7124
7125         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
7126         and PPLINC.
7127         (graphite.o): Also depends on pointer-set.h.
7128
7129 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7130
7131         * graphite.c (scop_record_loop): Fix compile warning.
7132
7133 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
7134             Sebastian Pop  <sebastian.pop@amd.com>
7135
7136         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
7137
7138 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7139
7140         * graphite.c (build_graphite_bb): Initialize bb->aux to
7141         point to the graphite_bb_p.
7142         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
7143         content of bb->aux.
7144         (add_bb_domains): Does not use the scop parameter.
7145         (graphite_transform_loops): Clean bb->aux at the end.
7146
7147 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7148             Sebastian Pop  <sebastian.pop@amd.com>
7149
7150         * lib/target-supports.exp
7151         (check_effective_target_fgraphite): New.
7152
7153         * gcc.dg/graphite/graphite.exp: Early exit when
7154         check_effective_target_fgraphite returns false.
7155         Set dg-do-what-default to compile.
7156         (scan-graphite-dump-times): Removed.
7157         * gfortran.dg/graphite/graphite.exp: Same.
7158
7159         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
7160         Use scan-tree-dump-times instead of scan-graphite-dump-times.
7161         * gcc.dg/graphite/scop-1.c: Same.
7162         * gcc.dg/graphite/scop-2.c: Same.
7163         * gcc.dg/graphite/scop-3.c: Same.
7164         * gcc.dg/graphite/scop-4.c: Same.
7165         * gcc.dg/graphite/scop-5.c: Same.
7166         * gcc.dg/graphite/scop-6.c: Same.
7167         * gcc.dg/graphite/scop-7.c: Same.
7168         * gcc.dg/graphite/scop-8.c: Same.
7169         * gcc.dg/graphite/scop-9.c: Same.
7170         * gcc.dg/graphite/scop-10.c: Same.
7171         * gcc.dg/graphite/scop-11.c: Same.
7172         * gcc.dg/graphite/scop-12.c: Same.
7173         * gcc.dg/graphite/scop-13.c: Same.
7174         * gcc.dg/graphite/scop-matmult.c: Same.
7175         * gcc.dg/graphite/scop-14.c: Same.
7176         * gcc.dg/graphite/scop-15.c: Same.
7177         * gcc.dg/graphite/block-0.c: Same.
7178         * gcc.dg/graphite/scop-16.c: Same.
7179         * gcc.dg/graphite/block-1.c: Same.
7180         * gcc.dg/graphite/scop-17.c: Same.
7181         * gcc.dg/graphite/scop-18.c: Same.
7182         * gfortran.dg/graphite/block-1.f90: Same.
7183         * gfortran.dg/graphite/scop-1.f: Same.
7184         * gfortran.dg/graphite/block-2.f: Same.
7185
7186 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7187
7188         * graphite.c: Fix some XXX comments.
7189         (build_scop_dynamic_schedules): Removed.
7190
7191 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7192
7193         * graphite.h (scop_max_loop_depth): Moved...
7194         * graphite.c (scop_max_loop_depth): ...here.
7195         (remove_all_edges_1): New.
7196         (remove_all_edges): Factored code.
7197         (remove_cond_exprs): Check only the last statement for
7198         a GIMPLE_COND expression.
7199
7200 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7201
7202         * graphite.c (scan_tree_for_params): Early return when the
7203         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
7204         (find_scop_parameters): Factor out code.
7205         (graphite_trans_bb_strip_mine): Remove dead code.
7206
7207 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7208
7209         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
7210         graphite_trans_bb_move_loop): Factor asserts.
7211         (gloog): Perform sanity checks only for ENABLE_CHECKING.
7212         Do not call calculate_dominance_info and estimate_bb_frequencies.
7213
7214 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
7215
7216         * graphite.c (create_loops_mapping, free_loops_mapping,
7217         create_loops_mapping_num, debug_loop_mapping_1,
7218         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
7219         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
7220         graphite_loops_mapping_add_child_num,
7221         graphite_loops_mapping_insert_child,
7222         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
7223         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
7224         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
7225         create_num_from_index, get_num_from_index,
7226         swap_loop_mapped_depth): Removed.
7227         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
7228         (free_scop): Do not call free_loops_mapping.
7229         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
7230         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
7231         get_loop_mapped_depth.
7232         (graphite_trans_bb_move_loop): Do not update the loop mapping.
7233         (graphite_trans_bb_strip_mine): Same.
7234         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
7235         (struct scop): Remove field loops_mapping.
7236
7237 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7238             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7239
7240         * graphite.c (scop_record_loop): Factor out one level of the
7241         condition by early return.
7242         (build_scop_loop_nests): Format following FSF coding style.
7243         (build_scop_dynamic_schedules): Factor out code.
7244         (scopdet_bb_info): Reindent.  Default case should not be reachable.
7245
7246 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7247             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7248
7249         * graphite.c (loop_affine_expr): Check for DECL_P or struct
7250         assignments that are not handled as simple operands for now.
7251
7252 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7253             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7254
7255         * graphite.c (build_scop_bbs): Factor up code.
7256
7257 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7258             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7259
7260         * graphite.c (stmt_simple_for_scop_p): Factor code out
7261         of the loop.
7262         (enum gbb_type): New.  Group all the GBB_* types under it.
7263         (is_loop_exit): Moved...
7264         (end_scop): Enable BB spliting.
7265         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7266         * cfgloop.h (is_loop_exit): Declared.
7267
7268 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7269
7270         * doc/invoke.texi: Remove strides from examples containing
7271         DO loops when the strides are equal to 1.
7272
7273 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7274             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7275
7276         * graphite.c (graphite_trans_scop_block): Or the result with
7277         the result from graphite_trans_loop_block.
7278         * gcc.dg/graphite/block-1.c: New.
7279         * gfortran.dg/graphite/block-1.f90: New.
7280         * gfortran.dg/graphite/block-2.f: New.
7281
7282 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7283
7284         * graphite.c (graphite_transform_loops): Call cloog_initialize
7285         and cloog_finalize.
7286
7287 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7288
7289         * tree-data-ref.c) (stmt_simple_memref_p): New.
7290         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7291         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7292         (is_simple_operand): Call stmt_simple_memref_p.
7293
7294         * gcc.dg/graphite/scop-matmult.c: Updated for not
7295         using pointer arithmetic, as this is optimized by PRE and
7296         makes the code too difficult to analyze.
7297
7298         * gcc.dg/graphite/scop-18.c: Same.
7299
7300 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7301
7302         * gdbinit.in (pgg): New.
7303
7304 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7305
7306         * graphite.c (graphite_trans_loop_block): Fix warning.
7307
7308 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7309
7310         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7311
7312 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7313
7314         * graphite.c (graphite_trans_bb_block): Remove check for
7315         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7316         Check if loop blocking is profitable for every loop, before applying
7317         the changes.
7318         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7319         if flag_loop_block is set.
7320
7321 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7322
7323         * graphite.c: Add some more documentation for the loop
7324         mapping.
7325
7326 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7327
7328         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7329         * graphite.c: Format on less than 80 columns.
7330         * graphite.h: Same.
7331
7332 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7333
7334         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7335
7336 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7337
7338         * doc/invoke.texi (floop-block, floop-strip-mine,
7339         floop-interchange): Update documentation with examples.
7340
7341 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7342
7343         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7344         add_referenced_var.
7345         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7346
7347 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7348
7349         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7350         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7351         * tree-scalar-evolution.c: Revert useless changes.
7352         * tree-phinodes.c: Same.
7353         * cfghooks.c: Same.
7354         * vec.h: Same.
7355         * tree-vectorizer.h: Same.
7356         * tree-flow.h: Same.
7357         * tree-cfg.c: Same.
7358         * common.opt (fgraphite): Update documentation.
7359
7360 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7361
7362         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7363         -floop-interchange): Add more text for explaining what each of these
7364         flags is doing.
7365         * tree-into-ssa.c (gimple_vec): Moved to...
7366         * graphite.c: Include gimple.h.
7367         (gimple_vec): Moved to...
7368         (del_loop_to_cloog_loop): Removed.
7369         (loop_affine_expr): Do not call create_data_ref when the
7370         operand is a constant.
7371         (new_scop): Use free instead of del_loop_to_cloog_loop.
7372         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7373         * gimple.h (gimple_vec): ... here.
7374
7375 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7376
7377         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7378         latch executions.
7379         (build_loop_iteration_domains): Fail, if latch executions unknown.
7380
7381 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7382
7383         * graphite.c (add_conditions_to_domain): New.
7384         (build_scop_conditions_1): Call add_conditions_to_domain.
7385         (set_cloog_options): Allow to disable optimizations.
7386
7387 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7388
7389         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7390         Do not use walk_dominator_tree.
7391         (find_scop_parameters): Do not use walk_dominator_tree.
7392
7393 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7394
7395         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7396         (idx_record_params): Adapt.
7397         * graphite.h (scop_gimple_loop_depth): New.
7398
7399 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7400
7401         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7402         (scan_tree_for_params): Remove value_init.
7403         (build_scop_context): Remove value_init.
7404         (build_loop_iteration_domains): Remove value_init.
7405         (schedule_to_scattering): Remove value_init.
7406         (graphite_trans_bb_strip_mine): Remove value_init.
7407
7408 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7409
7410         * gcc/graphite.c (limit_scops): New.
7411         (graphite_transform_loops): Add limit SCoPs.
7412         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7413         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7414         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7415         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7416         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7417         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7418         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7419         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7420         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7421         Change loop numbers.
7422         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7423         Change loop numbers.
7424         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7425         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7426         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7427         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7428         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7429         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7430         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7431         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7432         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7433         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7434
7435 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7436
7437         * graphite.c (graphite_transform_loops): Call always find_transform.
7438
7439 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7440
7441         * graphite.c (free_loops_mapping): New.
7442         (stmt_simple_for_scop_p): Fix typo.
7443         (stmt_simple_for_scop_p): Fix tuples functions, that
7444         broke polyhedron.
7445         (free_graphite_bb): Fix some memleaks.
7446         (free_scop): Fix some memleaks.
7447         (scopdet_bb_info): Do not forget some tmp SCoPs.
7448         (find_params_in_bb): Fix some memleaks.
7449         (clast_to_gcc_expression): Fix warning.
7450
7451 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7452
7453         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7454         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7455
7456 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7457
7458         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7459         Move code ifdef-ed HAVE_cloog...
7460         * graphite.c: Include toplev.h.
7461         ... here.
7462         * Makefile.in (OBJS-common): Always build graphite.o.
7463         (BACKEND): Remove @GRAPHITE@.
7464         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7465         (graphite.o): Depend on TOPLEV_H.
7466
7467 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7468
7469         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7470         Remove typo left from polylib to ppl conversion.
7471         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7472
7473 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7474
7475         * toplev.c (process_options): Move the graphite loop optimization
7476         flags...
7477         * tree-ssa-loop.c (graphite_transforms): ... here.
7478         When not configured with CLooG, print to dump_file that
7479         Graphite transforms were not performed.
7480         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7481         New.
7482         * gcc.dg/graphite/*.c: Updated all testcases to use
7483         scan-graphite-dump-times.
7484
7485 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7486
7487         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7488         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7489
7490 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7491             Jan Sjodin  <jan.sjodin@amd.com>
7492
7493         * configure: Regenerated.
7494         * omp-low.c (expand_omp_sections): Remove now unused code.
7495         * config.in (HAVE_polylib): Removed.
7496         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7497         (PPLLIBS, PPLINC): Added.
7498         * graphite.c: Replace unsigned with int wherever possible.
7499         Don't access Cloog's data structures, but use accessor functions.
7500         Clast's stmt->type is now implemented as a vtable: change the
7501         switches of stmt->type into ifs.
7502         (polylib/polylibgmp.h): Don't include.
7503         (initialize_dependence_polyhedron,
7504         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7505         statement_precedes_p, test_dependence, build_rdg_all_levels,
7506         dump_dependence_graph): Removed until this code is cleaned up
7507         or ported to Cloog.
7508         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7509         (POLYLIBINC): Renamed PPLINC.
7510
7511 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7512             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7513             Jan Sjodin  <jan.sjodin@amd.com>
7514
7515         Finish the merge and tuplification of graphite.
7516
7517 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7518             Jan Sjodin  <jan.sjodin@amd.com>
7519
7520         Partial merge from mainline (138072:138275).
7521         * graphite.c still has to be tuplified.
7522
7523 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7524
7525         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7526         (create_num_from_index): New.
7527         (get_num_from_index): Also pass in the graphite BB.
7528         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7529         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7530         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7531         (is_interchange_valid): Return false when failing.
7532         * graphite.h (struct num_map): New.
7533         (struct graphite_bb): New field num_map.
7534         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7535
7536 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7537
7538         * graphite.c (dump_gbb_conditions): Print also conditions like
7539         "if (a)".  Remove dublicated code and use print_generic_expr ().
7540         (stmt_simple_for_scop_p): Only allow conditions we can handle
7541         {<, <=, >, >=}.
7542
7543 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7544
7545         * graphite.h (struct scop): Removed new_ivs field.
7546         (SCOP_NEWIVS): Deleted.
7547         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7548         clast_to_gcc_expression, graphite_create_new_loop):
7549         Removed use of new_ivs.
7550
7551 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7552
7553         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7554         create_loops_mapping_num, debug_loop_mapping_1): New.
7555         (debug_loop_mapping): Call debug_loop_mapping_1.
7556         (get_loop_mapping_for_num,
7557         graphite_loops_mapping_add_child,
7558         graphite_loops_mapping_add_child_num,
7559         graphite_loops_mapping_insert_child,
7560         graphite_loops_mapping_parent,
7561         split_loop_mapped_depth_for_num,
7562         loop_mapped_depth_split_loop): New.
7563         (increment_loop_mapped_depths): Removed.
7564         (swap_loop_mapped_depth_for_num): Reimplemented.
7565         (new_scop): Call create_loops_mapping.
7566         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7567         (translate_clast): Pass the old loop father in parameter, and pass
7568         it to get_old_iv_from_ssa_name.
7569         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7570         can_generate_code, can_generate_for_scop): New.
7571         (graphite_trans_bb_block): Returns false when it fails to transform.
7572         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7573
7574 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7575
7576         Reverted all the changes related to the streamization and
7577         loop fusion.
7578         These changes are now tracked in the streamization branch.
7579
7580 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7581             Jan Sjodin  <jan.sjodin@amd.com>
7582
7583         * graphite.c (gbb_compare): Correctly constify.
7584         (gbb_can_be_ignored): Indent.
7585         (graphite_trans_scop_swap_1and2): Add legality check.
7586         Remove dead FIXMEs.
7587
7588 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7589
7590         Remove fallouts from "Reverted the Condate changes".
7591         * tree.h: Remove unused decl.
7592         * gcc.dg/tree-checker: Same.
7593         * timevar.def: Remove counter.
7594
7595 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7596
7597         * Merge from mainline (135673:138072).
7598
7599         Reverted the MIRO changes (from 2008-04-05) that are now
7600         tracked in the miro branch.
7601         * tree-bounds.c: Removed.
7602         * tree-bounds.h: Removed.
7603
7604         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7605         are now tracked in the condate branch.
7606         * tree-check.c: Removed.
7607         * tree-match.c: Removed.
7608         * condate.y: Removed.
7609
7610 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7611
7612         * common.opt: New user flag -floop-block, -floop-strip-mine
7613         and -floop-interchange.
7614         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7615         graphite loop optimization flags is turned on.
7616         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7617         flag_loop_strip_mine and flag_loop_interchange checks before
7618         optimizations.
7619         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7620         -floop-strip-mine and -floop-interchange.
7621         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7622         -fgraphite.
7623         * gcc.dg/graphite/scop-16.c: Ditto.
7624         * gcc.dg/graphite/scop-17.c: Ditto.
7625         * gcc.dg/graphite/scop-18.c: Ditto.
7626
7627 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7628             Sebastian Pop  <sebastian.pop@amd.com>
7629
7630         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7631         (create_empty_loop_on_edge): More fixes.
7632         * tree-phinodes.c (resize_phi_node): Extern.
7633         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7634         * cfghooks.c (update_dominator_information): New split from
7635         split_edge.
7636         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7637         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7638         successor of the function entry block.
7639
7640         * graphite.c: Include pointer-set.h.
7641         (debug_loop_mapping, increment_loop_mapped_depths,
7642         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7643         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7644         swap_loop_mapped_depth_for_num, get_num_from_index,
7645         swap_loop_mapped_depth, loop_iv_stack_debug,
7646         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7647         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7648         get_old_iv_from_ssa_name): New.
7649         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7650         (free_scop): Free SCOP_LOOPS_MAPPING.
7651         (scop_record_loop): Record old ivs.
7652         (create_var_name): Removed.
7653         (initialize_cloog_names): Allocate double space in case strip mine
7654         applies to all loops once.
7655         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7656         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7657         translation.
7658         (graphite_create_new_loop): Pass in ivstack.
7659         (remove_all_edges): Pass in the construction_edge.
7660         (graphite_remove_iv): Removed.
7661         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7662         remove_cond_exprs): Rewritten.
7663         (move_phi_nodes): New.
7664         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7665         (translate_clast): Pass in ivstack.  Rewrite some cases.
7666         (set_cloog_options, debug_clast_stmt): New.
7667         (find_transform): Use set_cloog_options.
7668         (outermost_loop_layer): Removed.
7669         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7670         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7671         mark_old_loops, remove_dead_loops): New.
7672         (gloog): Rewritten.
7673         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7674         (const_column_index, get_first_matching_sign_row_index,
7675         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7676         get_upper_bound): New.
7677         (graphite_trans_bb_strip_mine): Also update the iv map.
7678
7679         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7680         (struct name_tree): Add a loop field.
7681         (struct scop): Add a graphite_loops_mapping field.
7682         (SCOP_LOOPS_MAPPING): New.
7683         (debug_clast_stmt): Declare.
7684         * lambda.h (find_induction_var_from_exit_cond): Declare.
7685         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7686         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7687         (create_empty_loop_on_edge): Updated.
7688         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7689         rename_variables_in_bb): Declare.
7690         * tree-cfg.c (remove_bb): Extern.
7691
7692         * gcc.dg/graphite/block-0.c: New.
7693
7694 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7695             Sebastian Pop  <sebastian.pop@amd.com>
7696
7697         * graphite.c (strip_mine_profitable_p): New.
7698         (graphite_trans_bb_block): Disable strip mining if not profitable.
7699
7700         * gcc.dg/graphite/scop-18.c: New.
7701         * gcc.dg/graphite/scop-17.c: Fixed.
7702         * gcc.dg/graphite/scop-16.c: Fixed.
7703
7704 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7705             Jan Sjodin  <jan.sjodin@amd.com>
7706             Sebastian Pop  <sebastian.pop@amd.com>
7707
7708         * graphite.c (is_interchange_valid): New.
7709         (graphite_trans_bb_block): Check loop nest of basic block for legality
7710         of interchange.
7711
7712         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7713         outer_most_loop, gbb_outer_most_loop_index): New.
7714
7715         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7716         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7717         * gcc.dg/graphite/scop-16.c: New.
7718         * gcc.dg/graphite/scop-17.c: New.
7719
7720 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7721
7722         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7723         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7724
7725 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7726
7727         * graphite.c (new_scop): Initialize SCOP_EXIT.
7728         (scopdet_info): Add.
7729         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7730         (build_scops_1): Cleanup, bugfixes.
7731         (build_scops): Cleanup.
7732
7733         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7734         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7735
7736 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7737
7738         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7739
7740         * gfortran.dg/graphite/graphite.exp: Use
7741         DEFAULT_GRAPHITE_FLAGS.
7742
7743         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7744
7745 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7746
7747         * graphite.c (scan_tree_for_params): Do not assert any more if
7748         MULT_EXPR parameter is negative.
7749
7750         * gfortran.dg/graphite/scop-1.f: New.
7751
7752         * gfortran.dg/graphite/graphite.exp: New.
7753
7754         * gcc.dg/graphite/scop-15.c: New.
7755
7756 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7757
7758         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7759
7760 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7761
7762         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7763         graphite_swap_loops.
7764         (graphite_trans_bb_move_loop): New.
7765         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7766         (graphite_trans_bb_block): New.
7767         (graphite_trans_loop_block): New.
7768         (graphite_trans_scop_swap_1and2): Rename from
7769         graphite_trans_swap_1and2.
7770         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7771         (graphite_trans_scop_block): New.
7772         (graphite_apply_transformations): Rename from
7773         graphite_transformations.
7774
7775         * gcc.dg/graphite/scop-matmult.c: New.
7776
7777 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7778
7779         * graphite.c (gbb_compare): New.
7780         (graphite_sort_gbbs): New.
7781         (gbb_can_be_ignored): New.
7782         (scop_remove_ignoreable_gbbs): New.
7783         (graphite_transformations): Cleanup and add
7784         scop_remove_ignoreable_gbbs.
7785         * lambda.h (lambda_vector_compare): New.
7786
7787 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7788
7789         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7790         (graphite_swap_loops): int -> unsigned
7791         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7792         (graphite_transformations): New.
7793         (graphite_transform_loops): Move to graphite_transformations.
7794         * graphite.h (gbb_nb_loops): Return unsigned.
7795
7796 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7797
7798         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7799         the domain matrix.  This makes scop-0.c work again.
7800
7801 2008-06-20  Richard Guenther  <rguenther@suse.de>
7802
7803         * graphite.h: Adjust copyright to GPLv3.
7804         * graphite.c: Likewise.
7805         (stmt_simple_memref_for_scop_p): Split out from ...
7806         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7807         and simplify.
7808         (get_bb_type): Optimize.
7809         (is_pred): Remove.
7810         (is_bb_addable): Fix memleak, replace is_pred call with
7811         single_pred.
7812         (build_scops): Use current_loops.
7813         (param_index): Fix memleak.
7814
7815 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7816
7817         * graphite.c: Fix formatting.
7818
7819 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7820
7821         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7822         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7823         (create_var_name, save_var_name): Newly defined functions.
7824         (initialize_cloog_names): Part of the code factored out to
7825         save_var_name.
7826         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7827         in clast_reduction statement.
7828         (graphite_create_new_loop): Now takes a new parameter
7829         for outer_loop.
7830         (translate_clast): Now also takes the context_loop and bb_exit
7831         parameters. Rewritten the code so that it creates a gimple code
7832         inside the given context.
7833         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7834         remove_cond_expr, disconnect_cond_expr,
7835         disconnect_virtual_phi_nodes): Newly defined functions.
7836         * graphite.h (struct scop): added old_ivs vector.
7837         SCOP_OLDIVS: New macro.
7838
7839 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7840
7841         * cfgloopmanip.c: Add missing function comments, fix formatting.
7842
7843 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7844
7845         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7846         (create_empty_loop_on_edge): Defined.
7847         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7848         instead of void.
7849         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7850         (update_dominators_in_loop): Declared as extern
7851         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7852
7853 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7854
7855         * graphite.c (print_graphite_bb): Allow changing number of loops
7856         in SCoP domain.
7857         (initialize_cloog_names): Allow changing number of loops.
7858         (build_cloog_prog): Simplify.
7859         (find_transform): Enable cloog option --strides.
7860         (graphite_swap_loops): New.
7861         (graphite_strip_mine_loop): New.
7862         (graphite_trans_swap_1and2): New.
7863         (graphite_trans_strip): New.
7864         (graphite_transform_loops): Add graphite_trans_strip.
7865         * graphite.h (scop_max_loop_depth): New.
7866
7867 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7868
7869         * graphite.c (build_scop_iteration_domain): Remove forgotten
7870         line. (Fixes compile)
7871
7872 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7873
7874         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7875         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7876         (build_bb_loops): New.
7877         (graphite_transform_loops): Add build_bb_loops.
7878         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7879         numbers.
7880         * graphite.h (graphite_bb): Add loops.
7881         (gbb_nb_loops): New.
7882         (gbb_loop_at_index): New.
7883         (gbb_loop_index): New.
7884         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7885         using nb_params_in_scop.
7886
7887 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7888
7889         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7890         (build_scop_canonical_schedules): Build minimized schedule.
7891         (schedule_to_scattering): Adapt to minimized schedule.
7892         * graphite.h (graphite_bb): Add/Update descriptions.
7893
7894 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7895             Tobias Grosser  <grosser@fim.uni-passau.de>
7896
7897         * graphite.c (print_graphite_bb): Add condition printing.
7898         (dump_value): New.
7899         (dump_gbb_conditions): New.
7900         (build_scop_conditions_1): New.
7901         (build_scop_conditions): New.
7902         * graphite.h (graphite_bb): Add conditions.
7903
7904 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7905
7906         * graphite.c (print_graphite_bb):
7907         (free_graphite_bb): New.
7908         (free_scop): Free bbs.
7909         (get_bb_type): Free doms.
7910         (build_scop_context): Free context matrix.
7911         (build_loop_iteration_domains): Remove unused code.
7912         (build_cloog_prog): Free scattering function and blocklist.
7913         (find_transform): Free options.
7914
7915 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7916
7917         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7918         Remove unnecessery cloog data structures. Make a copy of the domain
7919         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7920         unnecessary cloog data structures. Fix memory leaks. Remove insert
7921         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7922         used.
7923         (build_scop_iteration_domain): Remove unnecessary cloog
7924         data structures.  Fix memory leaks.
7925         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7926         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7927
7928 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7929
7930         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7931
7932 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7933
7934         * graphite.c (end_scop): Style fix.
7935         (schedule_to_scattering): Style and comment fix.
7936
7937 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7938         * graphite.c (print_graphite_bb): Fix definiton of
7939         schedule_to_scattering.
7940         (initialize_cloog_names): Change nb_scattdims to max loop
7941         depth in SCoP.
7942         (schedule_to_scattering): Take parameter for number of scattering
7943         dimensions.
7944         (build_cloog_prog): Only build as much scattering dimensions as
7945         necessary.
7946
7947 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7948
7949         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7950         in polyhedron/aermod.f90.
7951
7952 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7953             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7954             Harsha Jagasia  <harsha.jagasia@amd.com>
7955
7956         * graphite.c (is_bb_addable): Fix segfault.
7957
7958 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7959
7960         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7961         with multiple exits and conditional handling in edge cases.
7962         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7963
7964         * gcc.dg/graphite/scop-14.c: New.
7965
7966 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7967             Adrien Eliche  <aeliche@isty.uvsq.fr>
7968
7969         * graphite.c (is_bb_addable): Add more comments and enhance
7970         readablity of the source code. Fix memory leak.
7971         (is_loop_exit): Fix memory leak.
7972
7973 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7974
7975         * graphite.c (first_loop_in_scop): Deleted.
7976         (setup_cloog_loop): Only walk the loop chain for inner loops.
7977         (build_scop_iteration_domain): Execute setup_cloog_loop for
7978         all loops in the first layer.
7979
7980 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7981
7982         * graphite.c (scan_tree_for_params): Change the way params are
7983         added to be indepenent of the number of loops.
7984         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7985         handling.
7986         (build_cloog_prog): Revert to short matrix format.
7987
7988 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7989             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7990
7991         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7992         warning.
7993
7994 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7995
7996         * graphite.c (nb_data_refs_in_scop): New.
7997         (graphite_transform_loops): Print more stats: number of
7998         loops, basic blocks and data references per scop.
7999
8000 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8001             Jan Sjodin  <jan.sjodin@amd.com>
8002
8003         * graphite.c (loop_affine_expr, idx_record_params,
8004         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
8005         instead of instantiate_parameters.
8006
8007 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8008
8009         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
8010         add support for parameters, add STATIC_SCHEDULE at the right places,
8011         cleanup.
8012
8013 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8014
8015         * graphite.c (build_scop_loop_nests): Only add the loops, that
8016         are contained completely in the SCoP.
8017         (build_cloog_prog): Disable scattering, until schedule_to_scattering
8018         and the domains are fixed.
8019         (build_scop_canonical_schedules): Add support for bbs not contained
8020         in any SCoP.
8021
8022 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8023
8024         * graphite.h (scop_contains_loop): Update comments to match
8025         the actual behavior.
8026         (scop_contains_loop): New.
8027         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
8028
8029 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8030
8031         * graphite.c (get_bb_type): On function body, i.e. loop_0,
8032         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
8033         as GBB_COND_HEADER.
8034
8035 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8036             Tobias Grosser  <grosser@fim.uni-passau.de>
8037
8038         * graphite.c (graphite_transform_loops): Early return when
8039         there are no loops in the function.
8040
8041 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8042             Jan Sjodin  <jan.sjodin@amd.com>
8043
8044         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
8045         offset of the last loop.
8046         (setup_cloog_loop): Copy the entire outer constraint matrix.
8047
8048 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8049             Jan Sjodin  <jan.sjodin@amd.com>
8050
8051         * graphite.c (stmt_in_scop_p, function_parameter_p,
8052         invariant_in_scop_p): Removed.
8053         (scan_tree_for_params): Can be used with no constraint
8054         matrix for gathering parameters.
8055         (idx_record_params): Don't use idx_record_param, instead use
8056         scan_tree_for_params.
8057         (find_scop_parameters): Same.
8058         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
8059         Fix the size of loop domains.
8060         (schedule_to_scattering): Exit when the outer loop is not in scop.
8061         (find_transform): Enable build_cloog_prog.
8062
8063 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8064             Jan Sjodin  <jan.sjodin@amd.com>
8065
8066         * graphite.c (schedule_to_scattering): Make scattering domains
8067         uniformly of the same size, as required by CLooG 0.14.0 and before.
8068
8069 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8070             Jan Sjodin  <jan.sjodin@amd.com>
8071
8072         * graphite.c (schedule_to_scattering): Rewrite, correct the
8073         translation of the scheduling function to scattering.
8074         (build_cloog_prog): Call schedule_to_scattering only once.
8075         * graphite.h (scop_loop_index): Do not fail for loops not
8076         in the scop: return -1.
8077
8078 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
8079
8080         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
8081         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
8082         (setup_cloog_loop): Export GBB_DOMAIN.
8083         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
8084         able to rebuild the original control flow.
8085         * graphite.h (graphite_bb): Add domain field and access macro.
8086         (GBB_DOMAIN): New.
8087
8088 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8089
8090         * graphite.c (debug_gbb): New.
8091         (print_scop, build_graphite_bb): Use SCOP_BBS.
8092         (build_scop_bbs): Reimplemented.
8093         (dfs_bb_in_scop_p): Removed.
8094         (build_scop_loop_nests): Reorder loops inserted in
8095         SCOP_LOOP_NEST: outer loops should come first.
8096         (build_scop_canonical_schedules): Reinitialize at zero
8097         the components of the SCOP_STATIC_SCHEDULE for the loops
8098         that have already been parsed.
8099
8100         * graphite.h (debug_gbb): Declared.
8101
8102 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8103             Jan Sjodin  <jan.sjodin@amd.com>
8104
8105         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
8106         (graphite_loop_to_gcc_loop): Removed.
8107         (remove_all_edges): New.
8108         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
8109         (gloog): Remove useless code.
8110
8111 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8112
8113         * graphite.c (get_bb_type): Reworked. We distinguish between
8114         loops with one or multiple exits.
8115         (is_loop_exit): New.
8116         (is_pred): New.
8117         (is_bb_addable): Rework condition handling, now support for case
8118         case statements and loops with multiple exits.
8119
8120         * gcc.dg/graphite/scop-11.c: New.
8121         * gcc.dg/graphite/scop-12.c: New.
8122         * gcc.dg/graphite/scop-13.c: New.
8123
8124 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8125
8126         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
8127         we have too many colors.
8128
8129 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
8130
8131         * doc/invoke.texi (-ftree-loop-fusion): Document.
8132         * tree-pass.h (pass_loop_fusion): Declared.
8133         * tree-loop-fusion.c: New.
8134         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
8135         * tree-data-ref.c (find_data_references_in_loop): Make extern.
8136         * tree-data-ref.h (find_data_references_in_loop): Declared.
8137         * common.opt (ftree-loop-fusion): Declared.
8138         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
8139
8140 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
8141
8142         * graphite.c (build_access_matrix): Fix typo from the merge.
8143
8144 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
8145
8146         * Merge from mainline (130800:135673).
8147
8148 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8149
8150         * graphite.c (end_scop): The exit of the scop is not part of the scop.
8151         Update dominators after splitting.
8152
8153 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8154
8155         * graphite.c (is_bb_addable): Return the harmful statement.
8156         Factor up some code.
8157         (end_scop): New.  Splits end of scope bbs on a harmful statement.
8158         (build_scops_1): Call end_scop.
8159
8160 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8161
8162         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
8163         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
8164         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
8165         build_scops_1): Removed.
8166         (build_scops_2): Renamed build_scops_1.
8167
8168 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8169
8170         * graphite.c: Fix formatting.
8171
8172 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8173
8174         * graphite.c (get_bb_type): New.
8175         (move_scops): New.
8176         (build_scops_2): New.
8177         (is_bb_addable): New.
8178         (build_scops): Switch the scop detection.
8179         (build_scop_bbs): Add entry bb to scop.
8180         * graphite.h (struct scop): Update comment.
8181
8182 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8183
8184         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
8185         more colors.
8186
8187 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8188
8189         * gcc.dg/graphite/scop-1.c: Update.
8190         * gcc.dg/graphite/scop-2.c: Update.
8191         * gcc.dg/graphite/scop-4.c: Update.
8192         * gcc.dg/graphite/scop-5.c: Add.
8193         * gcc.dg/graphite/scop-6.c: Add.
8194
8195 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8196
8197         * gcc.dg/graphite/scop-0.c: Add.
8198         * gcc.dg/graphite/scop-7.c: Add.
8199         * gcc.dg/graphite/scop-8.c: Add.
8200         * gcc.dg/graphite/scop-9.c: Add.
8201         * gcc.dg/graphite/scop-10.c: Add.
8202
8203 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8204
8205         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
8206         Check affine expressions depending on the outermost loop
8207         instead of a scop.
8208         (stmt_simple_for_scop_p): Same.
8209         (harmfule_stmt_in_scop): Same.
8210
8211 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
8212
8213         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
8214         mark entry and exit, that are not part of the SCoP and update HTML
8215         formatting.
8216
8217 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
8218
8219         * graphite.c (basic_block_simple_for_scop_p): Renamed
8220         harmful_stmt_in_bb.
8221         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
8222         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
8223         (all_preds_visited_p, all_succs_visited_p,
8224         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
8225         scop_end_loop): New.
8226         (build_scops): Do not use dfs_enumerate_from.
8227
8228         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
8229
8230 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8231
8232         * graphite.c: Add comments to functions that are missing a
8233         description.
8234         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
8235
8236 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8237
8238         * graphite.c (nb_params_in_scop): Moved...
8239         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
8240         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
8241         (clast_to_gcc_expression): Reduce column size to less than 80.
8242         (graphite_create_iv): Return the new name of the IV.
8243         (find_transform): Set options->esp and options->cpp.
8244         (gloog): Comment out the invalidation of the old loop code.
8245         (initialize_dependence_polyhedron): Replace scop_nb_params with
8246         nb_params_in_scop.
8247
8248         * graphite.h (nb_params_in_scop): ... here.
8249         (scop_nb_params): Removed.
8250         (loop_domain_dim): Return something even when the loop was not
8251         found in the hash table: avoid ICEing on all the graphite.exp
8252         testcases.
8253
8254 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8255
8256         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
8257
8258         * graphite.c (build_scop_dynamic_schedules): Schedule is built
8259         according to nesting level.
8260         (find_scop_parameters): Call instantiate_parameters.
8261         (scan_tree_for_params): Extend it to handle general affine bounds.
8262         Inner loop bound can depend on outer loop induction variable.
8263         (setup_cloog_loop): tmp variable is allocated on stack. Call
8264         instantiate_parameters with respect to outermost_loop_in_scop.
8265         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8266         graphite.h.
8267         (create_empty_loop): Function loopify should be given edge
8268         probability, instead of edge frequency. Dominance relation from
8269         switch_bb to loop_header.
8270         (clast_to_gcc_expression): Added handling of clast_reduction node.
8271         (gloog): New functionality for removing old loop.
8272         (test_dependence): Factored out from build_rdg_all_levels.
8273         (build_rdg_all_levels): Dependence testing factored out to
8274         test_dependence function.
8275
8276         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8277         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8278         from graphite.c
8279
8280 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8281
8282         * graphite.c (free_scop, param_index, initialize_cloog_names,
8283         nb_params_in_scop): Use name_tree map instead of just a tree
8284         for keeping track of the variable name associated to that tree.
8285         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8286         clast_to_gcc_expression, graphite_create_iv,
8287         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8288         graphite_stmt_to_gcc_stmt): New.
8289         (gloog): Call these.
8290         * graphite.h (struct name_tree): New.
8291         (struct scop): Use name_tree instead of tree for params.
8292         Store a vector of name_tree for new_ivs.
8293         (SCOP_NEWIVS): New.
8294         (scop_nb_params): Use name_tree instead of tree.
8295
8296 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8297             Sebastian Pop  <sebastian.pop@amd.com>
8298
8299         * tree-bounds.c: New.
8300         * tree-bounds.h: New.
8301         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8302         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8303         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8304         flag_mudflap.
8305         * gcc.c: Same.
8306         * toplev.c: Same.
8307         * c-cppbuiltin.c: Same.
8308         * c-pragma.c: Same.
8309         * common.opt: Same.
8310         * varasm.c: Same.
8311         * tree-outof-ssa.c: Same.
8312         * c-common.c: Same.
8313         * Makefile.in: Same.
8314
8315 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8316             Sebastian Pop  <sebastian.pop@amd.com>
8317
8318         * tree-loop-distribution.c (remaining_stmts,
8319         upstream_mem_writes): Removed static variables.
8320         (copy_loop_before, create_bb_after_loop,
8321         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8322         rdg_build_components, rdg_build_partitions,
8323         dump_rdg_partitions): Extern.
8324         (generate_loops_for_partition, generate_code_for_partition): Do not
8325         return a bool.
8326         (already_processed_vertex_p, predecessor_has_mem_write,
8327         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8328         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8329         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8330         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8331         Pass remaining_stmts and upstream_mem_writes as parameters.
8332         (rdg_component): Moved...
8333         (build_rdg_partition_for_component): Do not aggregate components when
8334         flag_streamize_loops is set.
8335         (gen_sequential_loops): New.
8336         (ldist_gen): Call gen_sequential_loops.
8337
8338         * tree-pass.h (pass_loop_streamization): Declared.
8339
8340         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8341         basic blocks when loops structures exist.
8342
8343         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8344
8345         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8346
8347         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8348         eliminate_local_variables_stmt, eliminate_local_variables,
8349         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8350         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8351         of code delimited by two edges in the CFG.
8352         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8353         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8354         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8355         the case of parallelisation of reductions.
8356         (create_loop_fn): Extern.
8357         (create_omp_parallel_region): New.
8358
8359         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8360         dump_data_reference for printing dra and drb.
8361         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8362         RDGE_RELATION.
8363         (build_rdg): Don't call free_dependence_relations for the moment, as
8364         we attach dependence relations on each edge of the RDG.
8365         To be fixed later.
8366
8367         * tree-data-ref.h (rdg_component): ...here.
8368         (struct rdg_edge): New field ddr_p relation.
8369         (RDGE_RELATION): New.
8370         (create_bb_after_loop, copy_loop_before,
8371         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8372         rdg_build_partitions, dump_rdg_partitions,
8373         free_rdg_components): Declared.
8374
8375         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8376         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8377
8378         * tree-loop-streamization.c: New.
8379
8380         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8381         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8382
8383         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8384
8385         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8386
8387         * passes.c: Schedule pass_loop_streamization.
8388
8389 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8390
8391         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8392         update comment.
8393
8394 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8395
8396         * graphite.c (dot_all_scops): Update formatting.
8397         Bbs can now be part of more than one SCoP.
8398
8399 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8400
8401         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8402         malloc problems.
8403         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8404         * graphite.h (loop_to_cloog_loop): New.
8405
8406 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8407
8408         * graphite.c (loop_domain_dim, ref_nb_loops,
8409         loop_iteration_vector_dim): New.
8410         (build_access_matrix_with_af, build_access_matrix,
8411         initialize_dependence_polyhedron): Fixed for new matrix layout.
8412         No longer assume that all iteration domains are of the same
8413         dimensionality.
8414
8415 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8416
8417         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8418         defined in a loop at depth 0 is invariant.
8419         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8420         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8421         be called at loop depth 0.
8422
8423         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8424         a parameter.
8425         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8426         (down_open_scop): Removed.
8427         (loop_in_scop_p): Redefined.
8428         (scop_affine_expr): New argument: scop.
8429         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8430         a harmful statement ending a scop.
8431         (basic_block_simple_for_scop_p): New argument: scop.
8432         (get_loop_start): Removed.
8433         (new_scop): Initialize SCOP_LOOPS.
8434         (free_scop): Free SCOP_LOOPS.
8435         (succs_at_same_depth, preds_at_same_depth): New.
8436         (end_scop): Test the validity of a scop.
8437         (add_dominators_to_open_scops): New.
8438         (test_for_scop_bound): Call add_dominators_to_open_scops.
8439         Add cases for opening and closing multiple scops.
8440         (build_scops, build_scop_bbs): Iterate over basic blocks in
8441         depth first order.
8442         (build_graphite_bb): Pass scop directly.
8443         (dfs_bb_in_scop_p): New.
8444         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8445         several times.
8446         (nb_loops_around_gb): Use loop_in_scop_p.
8447         (schedule_to_scattering): Disabled for the moment the code computing
8448         the "textual order for outer loop".
8449
8450         * graphite.h (struct scop): New field loops.
8451         (SCOP_LOOPS): New.
8452         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8453
8454         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8455
8456 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8457             Sebastian Pop  <sebastian.pop@amd.com>
8458
8459         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8460         * common.opt (fstreamize-loops): New.
8461         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8462         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8463         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8464         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8465
8466 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8467
8468         * tree-data-ref.c (build_empty_rdg): New.
8469         (build_rdg): Use it.
8470         * tree-data-ref.h (build_empty_rdg): Declared.
8471         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8472         (find_vertex_for_stmt): Removed.
8473         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8474
8475 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8476
8477         * tree-loop-distribution.c (generate_builtin): After cancelling the
8478         loop tree, also delete basic blocks.
8479         (rdg_flag_uses): Stop recursion when a vertex has already been
8480         processed.
8481
8482 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8483
8484         * graphite.c (build_scop_alpha): Removed.
8485         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8486         and dump_dependence_graph to avoid compiler warnings.
8487
8488 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8489
8490         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8491         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8492         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8493         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8494         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8495         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8496         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8497         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8498         dump_dependence_graph): New.
8499         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8500         (GBB_ALPHA): New.
8501         (struct scop): New field loop2cloog_loop.
8502         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8503         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8504
8505 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8506
8507         * graphite.c (build_graphite_bb): Fix initialization
8508         of the graphite basic block.
8509
8510 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8511
8512         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8513         loop domain matrix.  Pass in the number of loops contained in the
8514         constraint matrix.
8515         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8516         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8517         loops that are not surrounding the current loop are not represented
8518         in the domain constraint matrix.
8519         (build_scop_iteration_domain): Initial domain constraint matrix
8520         contains only the eq/ineq, cst, and scop parameters columns.
8521
8522 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8523
8524         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8525         (print_graphite_bb): Print scattering.
8526
8527 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8528
8529         * graphite.c (initialize_cloog_names): Initialize names of
8530         scattering variables.
8531
8532 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8533
8534         * graphite.c (dot_all_scops_1): Disable debug output while
8535         printing graph.
8536
8537 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8538
8539         * graphite.c (find_transform): Change cloog output language to C.
8540
8541 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8542
8543         * tree-loop-distribution.c (generate_memset_zero,
8544         generate_builtin, generate_code_for_partition,
8545         rdg_flag_all_uses): New.
8546         (rdg_flag_uses): Gather in the same partition the statements defining
8547         the VUSES of the current statement.
8548         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8549         Gather in the same partition not only the stores to the same memory
8550         access, but also the reads.
8551         (ldist_generate_loops): Renamed ldist_gen.
8552
8553 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8554             Tobias Grosser  <grosser@fmi.uni-passau.de>
8555
8556         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8557         next pointer, don't use the inner pointer.
8558
8559 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8560
8561         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8562         (find_transform): Call dot_all_1.
8563         * graphite.h (dot_all_scops): Declared.
8564
8565 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8566
8567         * tree-loop-distribution.c: Fix apsi.f ICE.
8568         (create_bb_after_loop): New.
8569         (generate_loops_for_partition): Use it.
8570         * gfortran.dg/ldist-1.f90: New.
8571
8572         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8573         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8574
8575 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8576
8577         * graphite.c (find_transform): Dump cloog program sent to cloog.
8578
8579 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8580
8581         * graphite.c (initialize_cloog_names): Initialize cloog
8582         iterator names.
8583
8584 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8585
8586         * graphite.c (build_scop_context): Fix typo, for the matrix
8587         format: insert '0 >= 0' instead of '-1 >= 0'.
8588
8589 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8590
8591         * Fix merge problems.
8592
8593 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8594
8595         * graphite.c (setup_cloog_loop): Fix typo.
8596
8597 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8598
8599         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8600         * tree-loop-distribution.c: Reimplemented.
8601         * tree-pass.h (pass_loop_distribution): New.
8602         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8603         print_loops.
8604         * graphds.h (struct graph): New field indexes.
8605         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8606
8607         * tree-vect-analyze.c: Remove declaration of static functions when not
8608         needed.
8609         * tree-vectorizer.c: Same.
8610         (rename_variables_in_loop): Now extern.
8611         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8612         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8613         calling redirect_edge_and_branch_force.
8614
8615         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8616
8617         * tree-data-ref.c: Don't include tree-chrec.h.
8618         (debug_data_dependence_relations): New.
8619         (dump_data_dependence_relation): Call dump_data_reference on data refs
8620         in the relation.
8621         (same_access_functions): Moved...
8622         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8623         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8624         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8625         struct rdg_vertex_info, ): New.
8626         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8627         at DDR_REVERSED_P.
8628         (create_rdg_vertices): Initialize the htab of graph->indexes.
8629         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8630         (stmts_from_loop): Don't save LABEL_EXPR.
8631         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8632         hash_stmt_vertex_del): New.
8633         (build_rdg): Initialize rdg->indexes.
8634         (free_rdg, stores_from_loop, ref_base_address,
8635         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8636         have_similar_memory_accesses_1, ref_base_address_1,
8637         remove_similar_memory_refs): New.
8638
8639         * tree-data-ref.h: Include tree-chrec.h.
8640         (debug_data_dependence_relations): Declared.
8641         (same_access_functions): ...here.  Now static inline.
8642         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8643         ddr_dependence_level): New.
8644         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8645         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8646         RDG_MEM_READS_STMT): New.
8647         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8648         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8649         rdg_vertex_for_stmt): Declared.
8650         (struct rdg_edge): New field level.
8651         (RDGE_LEVEL, free_rdg): New.
8652         (stores_from_loop, remove_similar_memory_refs,
8653         rdg_defs_used_in_other_loops_p,
8654         have_similar_memory_accesses): Declared.
8655         (rdg_has_similar_memory_accesses): New.
8656
8657         * lambda.h (dependence_level): New.
8658         * common.opt (ftree-loop-distribution): New.
8659         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8660         (print_loop_ir): Renamed print_loops.
8661         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8662         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8663         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8664         (tree-loop-distribution.o): Added.
8665         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8666         (mark_virtual_ops_in_bb): New.
8667         (print_loops_bb, debug_loop_num, debug_loop): New.
8668         * passes.c: Scheduled pass_loop_distribution.
8669
8670 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8671
8672         * graphite.c (scan_tree_for_params): Correct the number of columns
8673         for polylib format.
8674         (nb_flat_iterator): New.
8675         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8676         (build_scop_iteration_domain): Correct the number of columns for
8677         polylib format.
8678
8679 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8680
8681         * Merge from mainline (129697:130800).
8682
8683 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8684
8685         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8686         dominated by SCoP's exit.
8687         (graphite_transform_loops): Compute post dominators.
8688
8689 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8690
8691         * Merge from mainline (127169:129697).
8692
8693 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8694
8695         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8696         parameter for the basic block that contains the expression.  Use
8697         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8698         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8699         the expression.
8700         * graphite.h (gbb_loop): New.
8701         (GBB_LOOP): Removed.
8702
8703 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8704
8705         * Makefile.in: Fix merge problem.
8706
8707 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8708
8709         * Merge from mainline (125309:127169).
8710         * tree-loop-distribution.c: Disabled.
8711
8712 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8713
8714         * Merge from mainline (r123693:125309).
8715
8716 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8717
8718         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8719         correct_modify_p
8720         (correct_modify_p, check_statements, number_of_lvalue_uses,
8721         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8722         instead of MODIFY_EXPR.
8723         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8724         and push new edges.
8725
8726 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8727
8728         * tree-loop-distribution.c (struct rdg): Replace arrays by
8729         VECs for edges and vertices.
8730         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8731         (RDGV_NB_PARTITIONS): New.
8732         (PRDG_NBV, PRDG_NBE): Removed.
8733         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8734         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8735         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8736
8737 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8738             Sebastian Pop  <sebpop@gmail.com>
8739
8740         * doc/invoke.texi (-ftree-loop-distribution): Document.
8741         * tree-loop-distribution.c: New file.
8742         * tree-pass.h (pass_loop_distribution): Declared.
8743         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8744         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8745         and set reversed_p.
8746         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8747         (DDR_REVERSED_P): New.
8748         * common.opt (-ftree-loop-distribution): New.
8749         * tree-flow.h (distribute_loops): Declared.
8750         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8751         * passes.c (init_optimization_passes): Schedule loop distribution.
8752
8753 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8754
8755         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8756         (print_scop): Don't print when scop is NULL.
8757         (build_scop_context, find_transform): Don't output to stderr.
8758
8759 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8760
8761         * tree-data-ref.c: Don't include graphite.h.
8762         Comment out the code for printing data reference's scop.
8763         (build_access_matrix_with_af): Moved...
8764         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8765         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8766         (print_graphite_bb): Print basic block's schedule.
8767         (print_scop): Don't print the schedule, call cloog's pretty printer.
8768         (bb_in_scop_p): A basic block is in a scop only if it is both
8769         dominated and postdominated by the scop's entry and exit basic blocks.
8770         (function_parameter_p): New.
8771         (invariant_in_scop_p): Use function_parameter_p.
8772         (new_scop, save_scop): New.
8773         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8774         save_scop.
8775         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8776         (loop_in_scop_p): New.
8777         (scop_record_loop): Use loop_in_scop_p.
8778         (build_scop_domain): Renamed build_scop_iteration_domain.
8779         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8780         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8781         setup_cloog_loop, dot_scop_1, dot_scop): New.
8782         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8783         (struct scop): Add a pointer to cloog's representation of a program.
8784
8785 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8786
8787         * doc/invoke.texi (-ftree-check-verbose): Renamed
8788         -ftree-checks-verbose.
8789         * common.opt (flag_tree_check_verbose): Renamed
8790         flag_tree_checks_verbose.
8791         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8792
8793 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8794
8795         * configure: Regenerated.
8796         * config.in: Regenerated.
8797         * tree-ssa-loop.c (graphite_transforms): Execute
8798         graphite_transform_loops only when HAVE_cloog.
8799         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8800         * graphite.c: Include polylibgmp.h and cloog.h.
8801         (graphite_transform_loops): Removed loops parameter.
8802         * tree-flow.h (graphite_transform_loops): Update declaration.
8803         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8804         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8805         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8806         (OBJS-common): Remove dependence on graphite.o.
8807         (BACKEND): Depend on @GRAPHITE@.
8808
8809 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8810
8811         * doc/invoke.texi (-ftree-check-verbose): Documented.
8812         * gcc.dg/tree-checker/tree-checks-1.c: New.
8813         * gcc.dg/tree-checker/tree-checks-2.c: New.
8814         * gcc.dg/tree-checker/tree-checks-3.c: New.
8815         * gcc.dg/tree-checker/tree-checks-4.c: New.
8816         * gcc.dg/tree-checker/tree-checks.exp: New.
8817         * gcc.dg/tree-checker/condates.crp: New.
8818         * common.opt (ftree-checks-verbose): New.
8819         * tree-check.c (tree_check_warning): Move extra stderr output
8820         under control of flag_tree_check_verbose.
8821
8822 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8823
8824         * tree-match.c: Fix comments formatting.
8825         * tree-match.h: Fix comments formatting.
8826         * tree-check.c: Fix comments formatting.
8827         (tree_check_init): Restructure.
8828
8829 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8830
8831         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8832
8833 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8834
8835         * Merge from mainline (r120733:123693).
8836
8837 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8838
8839         * condate.y: New file.
8840         * tree-match.h (struct patt_info_s): New field sign.
8841         (struct condate_s): New field msg.
8842         (normalize_condate, name_condate, add_condate): New.
8843         (conds[], condate_parse): Made extern.
8844         * tree-check.c (tree_check_warning): First arg changed to cond;
8845         warning reformatted.
8846         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8847         (tree_scan): New.
8848         (tree_check): Process trivial condates.
8849         (read_delimited_string): Removed.
8850         (print_cond): Print name and msg.
8851         (conds[]): Made extern.
8852         (parse_tree_check_file_once): Rewritten to use the parser in
8853         condate.y.
8854         Processing of option --tree_check_string moved to tree_scan().
8855         * Makefile.in: Added condate.y
8856
8857 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8858
8859         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8860         Use VECs instead of varrays.
8861         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8862         * Makefile.in (pretty-print.o): Depend on vec.h.
8863         * pretty-print.c: Include tree.h and vec.h.
8864         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8865         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8866         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8867         pp_free_list): Use VECs instead of varrays.
8868         * pretty-print.h: Do not include varray.h.
8869         (struct tree_chunk_s): Declaration moved before its use.
8870         (output_buffer): Rename varray field to chunks.
8871         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8872         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8873         save_global_holes): Use VECs instead of varrays.
8874         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8875         * tree-check.c (scan_cfg_stmts, push_node,
8876         print_matching_stmt): Removed.
8877         (tree_check_instance, push_global_holes_if_new, tree_check,
8878         execute_tree_check): Use VECs instead of varrays.
8879         (gate_tree_check): Don't execute the CFG check when basic_block_info
8880         is not available.
8881
8882 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8883
8884         * Merge from mainline (r115016:120733).
8885
8886 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8887
8888         * Merge from mainline (r117632:117661).
8889
8890 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8891
8892         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8893         * tree-pass.h (TDF_DEBUG, debug_p): New.
8894         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8895         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8896         get_loop_exit_condition, analyze_evolution_in_loop,
8897         analyze_initial_condition, analyze_scalar_evolution,
8898         instantiate_parameters, number_of_latch_executions): Use debug_p.
8899         * tree-chrec.c (chrec_apply): Use debug_p.
8900         * tree-data-ref.c: Include graphite.h.
8901         (dump_data_reference): Print also the access matrix.
8902         (analyze_array, analyze_indirect_ref, init_data_ref,
8903         analyze_offset_expr, address_analysis, object_analysis,
8904         create_data_ref, finalize_ddr_dependent,
8905         non_affine_dependence_relation, analyze_ziv_subscript,
8906         analyze_siv_subscript_cst_affine,
8907         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8908         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8909         analyze_miv_subscript, analyze_overlapping_iterations,
8910         build_classic_dist_vector, subscript_dependence_tester,
8911         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8912         (build_access_matrix_with_af): No longer static.
8913         * tree-data-ref.h (scop_p): ... declaration here.
8914         (data_reference.scop): New field.
8915         (DR_SCOP, DR_ACCESS_MATRIX): New.
8916         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8917         * graphite.c (print_graphite_bb): Call dump_data_references.
8918         (print_scop): Use scop_nb_loops and scop_dim_domain.
8919         (test_for_scop_bound): Use debug_p.
8920         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8921         scop_nb_params.
8922         (scop_loop_index): Moved...
8923         (scop_record_loop): New.
8924         (build_scop_loop_nests): Use scop_record_loop.
8925         (build_scop_domain): Use scop_dim_domain.
8926         (build_access_matrix): Implemented.
8927         (build_scop_canonical_schedules): Use scop_nb_loops.
8928         (build_graphite_bb): Initialize GBB_SCOP.
8929         * graphite.h (scop_p): Moved...
8930         (graphite_bb.scop): New field.
8931         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8932         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8933         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8934         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8935         scop_loop_index): New.
8936         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8937
8938 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8939
8940         * Merge from mainline (r117661:120450).
8941
8942 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8943
8944         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8945         at the first declaration outside the varying loop, instantiate as
8946         far as possible.
8947         * tree-chrec.c (for_each_scev_op): New.
8948         * tree-chrec.h (for_each_scev_op): Declared.
8949         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8950         * tree-data-ref.c (get_references_in_stmt,
8951         find_data_references_in_stmt): New, from trunk.
8952         (find_data_references_in_loop): Use get_references_in_stmt
8953         and find_data_references_in_loop, modified as in trunk.
8954         (build_access_matrix_with_af): New.
8955         * tree-data-ref.h (data_reference): Add a field access_matrix.
8956         (data_ref_loc): New, as in trunk.
8957         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8958         invariant_in_scop_p, param_index, scan_tree_for_params,
8959         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8960         idx_record_param, idx_record_params, build_access_matrix,
8961         build_scop_data_accesses, build_scop_canonical_schedules,
8962         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8963         build_scop_params): New.
8964         * graphite.h (graphite_bb): New.
8965         (scop): Add fields static_schedule, params, loop_nest,
8966         iteration_domain.
8967         * lambda.h: Declare vecs of lambda_matrix.
8968         * tree-flow.h (print_loop_ir_bb): Declared.
8969         * tree-cfg.c (print_loop_ir_bb): New.
8970         (print_loop): Use print_loop_ir_bb.
8971
8972 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8973
8974         * Merge from mainline (r115016:117632).
8975
8976 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8977
8978         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8979         break due to a warning.
8980
8981 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8982
8983         * graphite.c (print_scops, debug_scops): New.
8984         (graphite_transform): Renamed graphite_find_transform.
8985         * graphite.h (debug_scops): Declared.
8986
8987 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8988
8989         * tree-match.c: Reformat following the GNU style.
8990         * tree-match.h: Reformat following the GNU style.
8991         * tree-pattern.h: Removed empty file.
8992         * Makefile.in: Remove references to tree-pattern.h.
8993         * tree-check.c: Reformat following the GNU style.
8994         (execute_tree_check): Move gate condition code to...
8995         (gate_tree_check): ...here.  New function.
8996         (pass_check): Use the gate function.
8997
8998 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8999
9000         * tree-pattern.h: New. Tree pattern matching and checking using
9001         concrete syntax.
9002         * tree-check.c: New. Tree/CFG checking pass.
9003         * tree-match.c: New. Library for tree pattern matching.
9004         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
9005         * toplev.c, flags.h: Add globals for tree-check pass.
9006         * Makefile.in: Integrate the files in tree-check pass.
9007         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
9008         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
9009         Introduce a "lazy" pretty-print mode.
9010         * tree.c, tree.h: Add tree_name.
9011
9012 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
9013
9014         * doc/invoke.texi (-fgraphite): Correct typo.
9015         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
9016         use of print_loop_ir.
9017         * gcc.dg/graphite/scop-1.c: New.
9018         * gcc.dg/graphite/scop-2.c: New.
9019         * gcc.dg/graphite/graphite.exp: New.
9020         * graphite.c: Include domwalk.h.
9021         (print_scop): Print only the entry and exit blocks.
9022         (debug_scop): No longer static.
9023         (affine_expr): Fix formating.  Return also true when the expression is
9024         constant.
9025         (stmt_simple_for_scop_p): Fix formating.
9026         (build_scops): Use domwalk.
9027         (get_loop_start, end_scop, test_for_scop_bound): New.
9028         (graphite_transform_loops): Avoid printing on stderr.
9029         * graphite.h (debug_scop): Declared.
9030         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
9031         * Makefile.in (graphite.o): Depend on domwalk.h.
9032         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
9033         declarations for static functions.
9034         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
9035         controlling output verbosity.
9036
9037 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
9038             Plesco Alexandru  <shurikx@gmail.com>
9039
9040         * doc/invoke.texi (-fgraphite): Document.
9041         * tree-pass.h (pass_graphite_transforms): Declared.
9042         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
9043         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
9044         (pass_graphite_transforms): Defined.
9045         * tree-data-ref.c (free_data_ref, data_reference): Extern.
9046         * tree-data-ref.h (free_data_ref, data_reference): Declared.
9047         * graphite.c, graphite.h: New.
9048         * common.opt (fgraphite): Declared.
9049         * tree-flow.h (graphite_transform_loops): Declared.
9050         * Makefile.in (OBJS-common): Add graphite.o.
9051         (graphite.o): New rule.
9052         * passes.c (pass_graphite_transforms): Scheduled.
9053