gcc/ChangeLog.graphite

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