gcc/ChangeLog.graphite

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