gcc/ChangeLog.graphite

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