gcc/ChangeLog.graphite

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