gcc/ChangeLog.graphite

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