gcc/ChangeLog.graphite

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