gcc/ChangeLog.graphite

   1 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42186
   4         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
   5
   6 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         PR middle-end/42205
   9         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
  10         Insert the reduction copy in the same block as the phi node.
  11         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
  12
  13         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
  14         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
  15
  16 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         PR middle-end/42221
  19         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  20         the array indexing of ADDR_EXPRs.
  21
  22         * testsuite/gcc.dg/graphite/pr42221.c: New.
  23
  24 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         PR middle-end/42178
  27         PR middle-end/42334
  28         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
  29         index.  Call lst_interchange_select_inner only once.
  30         (lst_interchange_select_inner): Update use of lst_try_interchange.
  31         (lst_interchange_select_outer): Update.
  32
  33 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  34
  35         PR middle-end/42178
  36         PR middle-end/42334
  37         * graphite-interchange.c (lst_try_interchange): Do not increment the
  38         the OUTER index when there is no AFTER kernel.  Do not increment the
  39         OUTER index for after processing the AFTER kernel.
  40         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
  41         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
  42         index.  Do not pass to lst_interchange_select_inner the OUTER index.
  43         (scop_do_interchange): Update use of lst_interchange_select_outer.
  44
  45         * testsuite/gfortran.dg/graphite/graphite.exp
  46         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
  47         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
  48         the graphite dump file.
  49         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
  50         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
  51
  52 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  53
  54         PR middle-end/42178
  55         PR middle-end/42334
  56         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
  57         that are empty.
  58         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
  59         (lst_try_interchange): Reimplemented.
  60         (lst_interchange_select_inner): Same.
  61         (lst_do_interchange): Renamed lst_interchange_select_outer.
  62         Reimplemented.
  63         (scop_do_interchange): Update use of lst_interchange_select_outer.
  64
  65         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
  66         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
  67         * testsuite/gcc.dg/graphite/pr42211.c: New.
  68         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
  69
  70 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         PR middle-end/42181
  73         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
  74         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
  75
  76         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
  77
  78 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
  79
  80         PR middle-end/42284
  81         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
  82         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
  83         (detect_commutative_reduction_arg): Simplified.
  84         (detect_commutative_reduction): Early return when the argument of
  85         the close phi is not of an SSA_NAME.
  86
  87         * testsuite/gcc.dg/graphite/pr42284.c: New.
  88
  89 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
  90
  91         * dbgcnt.def (graphite_scop): New counter.
  92         * graphite.c: Include dbgcnt.h
  93         (graphite_transform_loops): Use new counter to limit transformations.
  94
  95 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
  96
  97         PR middle-end/42285
  98         * graphite-scop-detection.c (graphite_can_represent_init): Also
  99         handle more complex MULT_EXPRs containing parameters by recursion
 100         on the structure.
 101
 102         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 103
 104 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 105
 106         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 107
 108 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 109
 110         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 111
 112 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 113
 114         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 115         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 116
 117 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 118
 119         PR middle-end/42130
 120         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 121         translate_clast_for_loop): New.
 122         (translate_clast_for): Add a condition around the loop, to do not
 123         execute loops with zero iterations.
 124         * testsuite/g++.dg/graphite/pr42130.C: New.
 125         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 126
 127 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 128
 129         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 130         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 131         Remove context_loop and level.
 132
 133 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 134
 135         * graphite-clast-to-gimple.c (translate_clast_user,
 136         translate_clast_for, translate_clast_guard): Simplify and move common
 137         elements to translate_clast().
 138         (translate_clast): Simplify and get common elements.
 139
 140 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 141
 142         * graphite-clast-to-gimple.c (translate_clast_user,
 143         translate_clast_for, translate_clast_guard): Split out of
 144         translate_clast.
 145
 146 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 147
 148         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 149         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 150         debug_clast_name_indexes_1, debug_clast_name_indexes,
 151         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 152         (clast_name_to_gcc, clast_to_gcc_expression,
 153         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 154         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 155         graphite_create_guard_cond_expr, graphite_create_new_loop,
 156         translate_clast): Add params_index.
 157         (initialize_cloog_names): Create parameter strings from scratch, do
 158         not reference other strings.
 159         (create_params_index): New.
 160         (gloog): Initialize params_index.
 161         * graphite-scop-detection (free_scops_1): Removed.
 162         (limit_scops): Use normal free_scops.
 163         * graphite-sese-to-poly.c (save_var_names): Removed.
 164         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 165         and SESE_PARAMS_INDEX.
 166         * sese.c (new_sese, free_sese): Dito.
 167         * sese.h (struct sese): Remove params_index, params_names.
 168         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 169
 170 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         Revert the following patch from 2009-09-14:
 173         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 174         tree-scalar-evolution.h, and then tree-data-ref.h.
 175         * graphite-clast-to-gimple.c: Same.
 176         * graphite-dependences.c: Same.
 177         * graphite-interchange.c: Same.
 178         * graphite-poly.c: Same.
 179         * graphite-scop-detection.c: Same.
 180         * graphite-sese-to-poly.c: Same.
 181         * graphite.c: Same.
 182         * lambda-code.c: Same.
 183         * matrix-reorg.c: Same.
 184         * tree-data-ref.c: Same.
 185         * tree-if-conv.c: Same.
 186         * tree-loop-distribu: Same.: Same.
 187         * tree-loop-linear.c: Same.
 188         * tree-parloops.c: Same.
 189         * tree-predcom.c: Same.
 190         * tree-vect-patterns.c: Same.
 191
 192 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         Revert patch from 2009-09-14.
 195         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 196         passes at -O1 and below.
 197
 198 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         PR middle-end/40281
 201         * testsuite/gcc.dg/graphite/pr40281.c: New.
 202
 203         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 204         evolutions should not variate in inner loops.
 205
 206 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         PR middle-end/42050
 209         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 210
 211 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 214         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 215
 216 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-blocking.c (scop_do_block): New.
 219         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 220         * graphite-poly.h (scop_do_block): Declared.
 221
 222 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 225         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 226         to transform depth into the time_depth before calling
 227         pbb_number_of_iterations_at_time.
 228         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 229         lst_depth.
 230
 231 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         Reverted the patch for "scattering permutations" from 2009-10-28.
 234
 235         * graphite-poly.c (print_permutation): New.
 236         (debug_permutation): New.
 237         (new_poly_bb): Initialize PBB_PERMUTATION.
 238         (free_poly_bb): Free PBB_PERMUTATION.
 239         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 240         (struct pbb_permutation_elt): New.
 241         (PBB_PERMUTATION_ELT_STRIDE): New.
 242         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 243         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 244         (new_pbb_permutation_elt): New.
 245         (pbb_permutation_elt_free): New.
 246         (struct poly_bb): Add field permutation.
 247         (PBB_PERMUTATION): New.
 248         (print_permutation): Declared.
 249         (debug_permutation): Declared.
 250
 251 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 252
 253         * graphite-interchange.c (build_partial_difference): New.
 254         (memory_stride_in_loop): Refactored the computation of
 255         equality constraints into build_partial_difference function.
 256         Added support for debugging stride computations.
 257
 258 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * graphite-clast-to-gimple.c (gloog): Free if_region,
 261         if_region->true_region, and if_region->region.
 262         * sese.c (if_region_set_false_region): Free if_region->false_region.
 263         (create_if_region_on_edge): Do not use GGC_NEW.
 264         (move_sese_in_condition): Remove useless initialization.
 265
 266 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 269         for the loops created by the loop distribution.  Do not modify the
 270         input LSTs.
 271         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 272         transformed schedule.  Call lst_update_scattering before data
 273         dependence analysis.
 274         (lst_try_interchange): Pass an extra parameter INDEX.
 275         (lst_do_interchange_1): New.
 276         (lst_do_interchange): Call lst_do_interchange_1.
 277         (scop_do_interchange): Call lst_update_scattering.
 278         * graphite-poly.c (apply_poly_transforms): Do not call
 279         lst_update_scattering.
 280         * graphite-poly.h (lst_pred): New.
 281         (lst_succ): New.
 282         (lst_find_first_pbb): Return NULL when not found.
 283         (lst_empty_p): New.
 284         (lst_insert_in_sequence): Allow LST1 to be NULL.
 285         (lst_replace): New.
 286         (lst_substitute_3): New.
 287         * gcc.dg/graphite/interchange-1.c: XFail.
 288         * gcc.dg/graphite/interchange-8.c: XFail.
 289         * gcc.dg/graphite/interchange-11.c: XFail.
 290
 291 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-interchange.c (lst_perfectly_nested_p): New.
 294         (lst_perfect_nestify): New.
 295         (lst_try_interchange_loops): Call store_lst_schedule,
 296         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 297         (scop_do_interchange): Avoid redundant legality test.
 298         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 299         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 300         * graphite-poly.h (psct_static_dim): New.
 301         (lst_dewey_number_at_depth): New.
 302         (lst_find_pbb): Restructured.
 303         (lst_find_first_pbb): Restructured.
 304         (lst_find_last_pbb): New.
 305         (lst_contains_p): New.
 306         (lst_contains_pbb): New.
 307         (lst_create_nest): New.
 308         (lst_remove_from_sequence): New.
 309         (pbb_update_scattering): New.
 310         (lst_update_scattering_under): New.
 311         (lst_update_scattering_seq): New.
 312         (lst_update_scattering): New.
 313         (lst_insert_in_sequence): New.
 314         (lst_distribute_lst): New.
 315         (lst_remove_all_before_including_pbb): New.
 316         (lst_remove_all_before_excluding_pbb): New.
 317
 318 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 321         get_loop_exit_edges.
 322
 323 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 324
 325         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 326
 327 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 328
 329         * graphite-poly.c (print_permutation): New.
 330         (debug_permutation): New.
 331         (new_poly_bb): Initialize PBB_PERMUTATION.
 332         (free_poly_bb): Free PBB_PERMUTATION.
 333         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 334         (struct pbb_permutation_elt): New.
 335         (PBB_PERMUTATION_ELT_STRIDE): New.
 336         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 337         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 338         (new_pbb_permutation_elt): New.
 339         (pbb_permutation_elt_free): New.
 340         (struct poly_bb): Add field permutation.
 341         (PBB_PERMUTATION): New.
 342         (print_permutation): Declared.
 343         (debug_permutation): Declared.
 344
 345 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 346
 347         * graphite-clast-to-gimple.c (gloog): Do not call
 348         sese_reset_aux_in_loops.
 349         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 350         extra argument for domains.  Do not use loop->aux.
 351         (build_scop_iteration_domain): Initialize and free domains, pass it
 352         to build_loop_iteration_domains and extract the information from
 353         domains.  Do not use loop->aux.
 354         * sese.c (sese_reset_aux_in_loops): Removed.
 355         * sese.h (sese_reset_aux_in_loops): Removed.
 356
 357 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 358
 359         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 360         (dependency_in_loop_p): Same.
 361         (translate_clast): Do not use loop->aux.  Initialize
 362         loop->can_be_parallel.
 363         (mark_loops_parallel): Removed.
 364         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 365         * graphite.c (free_aux_in_new_loops): Removed.
 366         (graphite_finalize): Do not call free_aux_in_new_loops.
 367         (graphite_transform_loops): Do not call mark_loops_parallel.
 368
 369 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 370
 371         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 372         (translate_clast): Pass an extra parameter LEVEL.
 373         Call get_scattering_level.
 374         * graphite-clast-to-gimple.h (get_scattering_level): New.
 375
 376 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 377
 378         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 379         * cfgloop.h (struct loop): New field single_iv.
 380
 381         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 382         loop->aux anymore: use loop->single_iv.
 383         (graphite_loop_normal_form): Moved...
 384         (build_graphite_loop_normal_form): Removed.
 385         (gloog): Do not call build_graphite_loop_normal_form.
 386         (free_aux_in_new_loops): Moved...
 387         (mark_loops_parallel): Restructure.
 388         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 389         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 390         (scop_canonicalize_loops): New.
 391         (build_poly_scop): Call scop_canonicalize_loops.
 392         * graphite.c (free_aux_in_new_loops): ...here.
 393
 394 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * g++.dg/graphite/graphite.exp: Add the same rules as in
 397         gcc.dg/graphite/graphite.exp.
 398
 399 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 400
 401         * g++.dg/graphite/id-1.C: New.
 402
 403 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 404
 405         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 406         argument base_name.
 407         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 408         (rewrite_phi_out_of_ssa): Same.
 409         (rewrite_cross_bb_scalar_deps): Same.
 410         (translate_scalar_reduction_to_array): Same.
 411
 412 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 413
 414         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 415         dump_alias_graphs.
 416
 417 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 420         (build_scop_drs): Call dump_alias_graphs.
 421
 422 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 423
 424         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 425         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 426         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 427         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 428         * graphite-poly.h (free_lst): New.
 429         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 430         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 431
 432 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 433
 434         * graphite-poly.h (struct scop): Add a field saved_schedule.
 435         (SCOP_SAVED_SCHEDULE): New.
 436         (store_lst_schedule): New.
 437         (restore_lst_schedule): New.
 438         (store_scattering): Call store_lst_schedule.
 439         (restore_scattering): Call restore_lst_schedule.
 440
 441 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 444         (pdr_add_alias_set): Same.
 445         (build_poly_dr): Same.
 446         (build_alias_set_optimal_p): Same.
 447         (build_base_obj_set_for_drs): Same.  Do not store the result of
 448         graphds_dfs.
 449
 450 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 453         all_components_are_cliques to 1.
 454
 455 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 456
 457         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 458         the new structure.
 459         (pdr_add_alias_set): Update retrieving alias_set_num.
 460         (build_poly_dr): Update retrieving dr_base_object_set.
 461         (partition_drs_to_sets): Remove.
 462         (build_alias_set_optimal_p): New.
 463         (build_alias_set_for_drs): Rename.
 464         (build_scop_drs): Update.
 465         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 466         (ALIAS_SET_INDEX): Remove.
 467         (BASE_OBJECT_SET_INDEX): Remove.
 468
 469 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 472
 473 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 474
 475         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 476         loop upper bounds for 1-element arrays at end of structures.
 477         * tree-flow.h (array_at_struct_end_p): Declared.
 478         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 479
 480 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 481
 482         * g++.dg/graphite/pr41305.C: New.
 483
 484 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 485
 486         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 487         construction of parameter constraints from loop iteration analysis.
 488         * gcc.dg/graphite/run-id-2.c: New test.
 489
 490 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 493         and new_cstr.
 494
 495 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 496
 497         * graphite-dependences.c (dependence_polyhedron_1): Remove
 498         unused gdim dimensions from the DDR polyhedron.
 499
 500 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 501
 502         * graphite-dependences.c (pddr_transformed_scattering): New.
 503         (dot_original_deps_stmt_1): New.
 504         (dot_transformed_deps_stmt_1): New.
 505         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 506         dot_transformed_deps_stmt_1.
 507         (dot_original_deps): New.
 508         (dot_transformed_deps): New.
 509         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 510
 511 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         * graphite-dependences.c (reduction_dr_1): Remove wrong
 514         assert: reduction BBs can have multiple reduction writes
 515         to memory.  interchange-3.f90 is an example.
 516
 517 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 518
 519         * gfortran.dg/graphite/interchange-3.f90: New.
 520
 521 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 522
 523         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 524
 525 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-dependences.c (dependence_polyhedron_1): Add the
 528         context to the dependence polyhedron.
 529
 530 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 531
 532         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 533         PBB_PDR_DUPLICATES_REMOVED.
 534         (new_poly_bb): Same.
 535
 536 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 539         SCOP_CONTEXT.
 540         (build_loop_iteration_domains): Extract bounds on parameters
 541         based on the data size.
 542         (build_scop_context): Do not initialize SCOP_CONTEXT;
 543         add new constraints.
 544
 545 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 548         * graphite-ppl.h (graphite-ppl.h): Declared.
 549
 550 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * graphite-ppl.c (ppl_print_linear_expr): New.
 553         (debug_ppl_linear_expr): New.
 554         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 555         (debug_ppl_linear_expr): Declared.
 556
 557 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * graphite-interchange.c: Fix comments.
 560         * gcc.dg/graphite/block-1.c: Fix comments.
 561
 562 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 565         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 566
 567 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 568
 569         Reapply the patch from Alexander Monakov that disappeared during
 570         the last merges from trunk.
 571
 572         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 573
 574         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 575         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 576
 577 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         * graphite-interchange.c (memory_stride_in_loop): The depth
 580         argument corresponds to a dynamic time dimension, so use
 581         psct_dynamic_dim to refer to the transformed scattering dimension.
 582
 583 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 586
 587 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 590         root of the LST.
 591         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 592         the root of the LST.
 593         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 594         fake loop.
 595         (print_lst): Print the root of LST in a different format.
 596         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 597
 598 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 601
 602 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * doc/passes.texi: Document the Graphite infrastructure.
 605
 606 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 609         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 610         and check the SSA representation.
 611
 612         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 613
 614 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 617
 618 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * gcc.dg/graphite/interchange-11.c: New.
 621
 622 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 625
 626 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 627
 628         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 629         Add -fno-loop-strip-mine and -fno-loop-interchange.
 630         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 631         -fno-loop-strip-mine.
 632         * gfortran.dg/graphite/graphite.exp: Same.
 633
 634 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 637         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 638         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 639         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 640         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 641         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 642         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 643         DEFAULT_FLAGS_GRAPHITE_SCOP.
 644         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 645         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 646
 647 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 650
 651 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 652             Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * graphite-interchange.c (build_linearized_memory_access): Pass an
 655         offset as parameter.
 656         (memory_stride_in_loop): Include transform scattering in the
 657         access functions to be able to querry the strides in the
 658         transformed loops.
 659         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 660         not the psct_iterator_dim.
 661
 662 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 665         (lst_do_strip_mine_loop): New.
 666         (lst_do_strip_mine): New.
 667         (scop_do_strip_mine): Call lst_do_strip_mine.
 668         * graphite-poly.h (lst_add_loop_under_loop): New.
 669         (lst_find_first_pbb): New.
 670
 671 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-poly.c (loop_to_lst): Fix LST creation.
 674
 675 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 676
 677         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 678         sizeof(unsigned long) to make it run on 32bit systems.
 679
 680 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 681
 682         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 683         SEGFAULT on 32bit.
 684
 685 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 686
 687         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 688         Comment.
 689         (write_alias_graph_to_ascii_dot): New.
 690         (write_alias_graph_to_ascii_ecc): Ditto.
 691         (partition_drs_to_sets): Add testing of optimality of current method
 692         which assigns alias numbers according to DFS Comopnent number.  used
 693         as heuristic for the upcoming ECC algorithm.
 694         (build_scop_drs): Write to file also with the ecc and dot format.
 695
 696 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * gfortran.dg/graphite/interchange-1.f: XFail.
 699
 700 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         * graphite.c (graphite_initialize): Do not handle functions with
 703         more than 100 basic blocks.
 704
 705 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 706
 707         * graphite-blocking.c (pbb_do_strip_mine): Use
 708         PARAM_LOOP_BLOCK_TILE_SIZE.
 709
 710 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * graphite-poly.c (dot_lst_1): New.
 713         (dot_lst): New.
 714         * graphite-poly.h (dot_lst): Declared.
 715
 716 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-dependences.c (dot_deps_stmt_1): New.
 719         (dot_deps_stmt): New.
 720         * graphite-dependences.h (dot_deps_stmt): Declared.
 721
 722 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 725         not replace cross BB scalar dependences ending on PHI nodes.
 726         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 727
 728 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         * graphite-poly.c (apply_poly_transforms): Implement the high
 731         level driver for flag_loop_block.
 732         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 733         flag_loop_block.
 734
 735         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 736         -floop-block.
 737         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 738         Add -floop-block.
 739
 740 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * graphite-poly.h (lst_find_pbb): New.
 743         (find_lst_loop): New.
 744
 745 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 746
 747         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 748         * graphite-poly.h (struct scop): Remove dep_graph field.
 749         (SCOP_DEP_GRAPH): Removed.
 750
 751 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * graphite-poly.h (copy_lst): Do full copy of LST.
 754
 755 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 758         when the loop stride is zero.
 759
 760         * gcc.dg/graphite/id-16.c: New.
 761
 762 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * graphite-dependences.c (reduction_dr_1): New.
 765         (reduction_dr_p): New.
 766         (graphite_legal_transform_dr): Call reduction_dr_p.
 767         (reduction_ddr): Renamed reduction_ddr_p.
 768         * graphite-poly.h (same_pdr_p): New.
 769         (number_of_write_pdrs): New.
 770         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 771         (split_reduction_stmt): Do not split reduction statements
 772         when there are no writes to memory.
 773         (translate_scalar_reduction_to_array_for_stmt): Insert the
 774         memory reduction statement just after the scalar reduction statement.
 775
 776         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 777         Un-XFAIL-ed.
 778         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 779         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 780
 781 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * graphite-interchange.c (lst_apply_interchange): New.
 784         (lst_interchange_profitable_p): New.
 785         (lst_try_interchange_loops): New.
 786         (lst_try_interchange): New.
 787         (lst_do_interchange): New.
 788         (pbb_do_interchange): Removed.
 789         (scop_do_interchange): Call lst_do_interchange.
 790
 791 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 794         SCOP_TRANSFORMED_SCHEDULE.
 795         (loop_to_lst): New.
 796         (scop_to_lst): New.
 797         (print_lst): New.
 798         (debug_lst): New.
 799         * graphite-poly.h (lst_p): New.
 800         (struct lst): New.
 801         (LST_LOOP_P): New.
 802         (LST_LOOP_FATHER): New.
 803         (LST_PBB): New.
 804         (LST_SEQ): New.
 805         (scop_to_lst): Declared.
 806         (print_lst): Declared.
 807         (debug_lst): Declared.
 808         (new_lst_loop): New.
 809         (new_lst_stmt): New.
 810         (copy_lst): New.
 811         (lst_depth): New.
 812         (lst_dewey_number): New.
 813         (struct scop): Add original_schedule and transformed_schedule fields.
 814         (SCOP_ORIGINAL_SCHEDULE): New.
 815         (SCOP_TRANSFORMED_SCHEDULE): New.
 816         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 817
 818 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 819
 820         * graphite-dependences.c (reduction_ddr): New.
 821         (graphite_legal_transform_bb): Call reduction_ddr.
 822         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 823         Initialize PBB_IS_REDUCTION.
 824         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 825         (PBB_IS_REDUCTION): New.
 826         (new_poly_bb): Update declaration.
 827         * graphite-scop-detection.h (build_scop_bbs): Removed.
 828         (nb_reductions_in_loop): Removed.
 829         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 830         parameter for reductions.
 831         (try_generate_gimple_bb): Update call to new_poly_bb.
 832         (build_scop_bbs_1): Same.
 833         (build_scop_bbs): Same.
 834         (gsi_for_phi_node): New.
 835         (scalar_close_phi_node_p): Remove gcc_assert.
 836         (split_reduction_stmt): New.
 837         (is_reduction_operation_p): New.
 838         (phi_contains_arg): New.
 839         (follow_ssa_with_commutative_ops): New.
 840         (detect_commutative_reduction_arg): New.
 841         (detect_commutative_reduction_assign): New.
 842         (follow_inital_value_to_phi): New.
 843         (edge_initial_value_for_loop_phi): New.
 844         (initial_value_for_loop_phi): New.
 845         (detect_commutative_reduction): New.
 846         (translate_scalar_reduction_to_array_for_stmt): New.
 847         (insert_copyout): New.
 848         (insert_copyin): New.
 849         (translate_scalar_reduction_to_array): New.
 850         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 851         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 852         (rewrite_commutative_reductions_out_of_ssa): New.
 853         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 854         * sese.h (split_region_for_bb): New.
 855
 856         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 857         * gcc.dg/graphite/interchange-1.c: Fix format.
 858         * gcc.dg/graphite/interchange-10.c: New.
 859
 860 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 863         buggy assert.
 864
 865 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 866
 867         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 868         (rewrite_cross_bb_scalar_dependence): New.
 869         (rewrite_cross_bb_scalar_deps): New.
 870         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 871         Call rewrite_cross_bb_scalar_deps.
 872
 873 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 876         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 877         gsi_for_stmt.
 878
 879 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 880
 881         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 882         * graphite-interchange.c (pbb_do_interchange): Same.
 883         * graphite-poly.c (print_scattering_function): Same.
 884         (debug_pdrs): Same.
 885         * graphite-poly.h (pbb_loop): New.
 886         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 887
 888 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 889
 890         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 891
 892 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 895         so don't pass a pointer to it.
 896         (build_alias_set_for_drs): Same.
 897         (build_base_obj_set_for_drs): Same.
 898         (build_scop_drs): Same.
 899
 900 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 901
 902         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 903         the alias graph of data references.
 904
 905 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 906
 907         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 908         (build_scop_drs): When debugging, write the alias graph to file,
 909         otherwise, should be disabled.
 910
 911 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 914         (is_simple_operand): Remove call to stmt_simple_memref_p.
 915         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 916
 917 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 918
 919         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 920         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 921         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 922         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 923         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 924
 925 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 926
 927         PR middle-end/41118
 928         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 929         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 930         (graphite_carried_dependence_level_k): Ditto.
 931         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 932         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 933         (new_poly_dr): Adjust declaration.
 934         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 935         (free_gimple_bb): Added free_data_refs_aux.
 936         (build_poly_dr): Add dr_base_object_set.
 937         (partition_drs_to_sets): New.
 938         (dr_same_base_object_p): New.
 939         (build_alias_set_for_drs): New.
 940         (build_base_object_set_for_drs): New.
 941         (build_scop_drs): Add build_base_obj_set_for_drs.
 942         * graphite-sese-to-poly.h: Added #define for alias set number index and
 943         base object set index.
 944         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 945         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 946
 947 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 948
 949         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 950         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 951
 952 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-sese-to-poly.c (struct irp_data): Removed.
 955         (idx_record_params): Removed.
 956         (find_params_in_bb): Scan for parameters the access functions; don't
 957         parse the tree representation.
 958
 959 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 962         passes at -O1 and below.
 963
 964 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 965
 966         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 967         tree-scalar-evolution.h, and then tree-data-ref.h.
 968         * graphite-clast-to-gimple.c: Same.
 969         * graphite-dependences.c: Same.
 970         * graphite-interchange.c: Same.
 971         * graphite-poly.c: Same.
 972         * graphite-scop-detection.c: Same.
 973         * graphite-sese-to-poly.c: Same.
 974         * graphite.c: Same.
 975         * lambda-code.c: Same.
 976         * matrix-reorg.c: Same.
 977         * tree-data-ref.c: Same.
 978         * tree-if-conv.c: Same.
 979         * tree-loop-distribu: Same.: Same.
 980         * tree-loop-linear.c: Same.
 981         * tree-parloops.c: Same.
 982         * tree-predcom.c: Same.
 983         * tree-vect-patterns.c: Same.
 984
 985 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         Partially revert the previous patch, except the following.
 988         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 989         as parameters the operands of the not expression.
 990
 991 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 992
 993         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 994         Do not call analyze_scalar_evolution on assignments.
 995         (instantiate_scev_phi): Call analyze_scalar_evolution.
 996         (instantiate_scev_name): Call instantiate_scev_assign and
 997         instantiate_scev_phi.
 998         (instantiate_scev_not): Adapted to pass as parameters the operands
 999         of the not expression.
1000
1001 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1004         to pass as parameters the operands of the binary expression.
1005
1006 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1009         instantiate_scev_not.  Handle NEGATE_EXPR.
1010         (instantiate_scev_r): Handle NEGATE_EXPR.
1011
1012 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1015         instantiate_scev_r.
1016         (instantiate_scev_r): Move code in instantiate_scev_2
1017         and instantiate_scev_1.
1018
1019 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * tree-scalar-evolution.c (instantiate_scev_3): New.
1022         (instantiate_scev_1): Move code in instantiate_scev_3.
1023
1024 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1025
1026         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1027         (instantiate_scev_1): Move code in instantiate_scev_poly.
1028
1029 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1032         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1033
1034 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1037         (instantiate_scev_1): Move code in instantiate_scev_convert.
1038
1039 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1042         (instantiate_scev_1): Move code in instantiate_scev_binary.
1043
1044 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1045
1046         * tree-scalar-evolution.c (instantiate_scev_name): New.
1047         (instantiate_scev_1): Move code in instantiate_scev_name.
1048
1049 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * Merge from mainline (150992:151171).
1052
1053 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1054
1055         * graphite-dependences.c (graphite_legal_transform_bb): Call
1056         pbb_remove_duplicate_pdrs.
1057         * graphite-poly.c (can_collapse_pdr): Removed.
1058         (pdr_find_duplicate): Removed.
1059         (can_collapse_pdrs): New.
1060         (pbb_remove_duplicate_pdrs): New.
1061         (new_poly_dr): Do not look for duplicates.
1062         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1063         (PBB_PDR_DUPLICATES_REMOVED): New.
1064         (pbb_remove_duplicate_pdrs): Declared.
1065
1066 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1069         the strides by multiplying by PDR_NB_REFS.
1070         * graphite-poly.c (can_collapse_pdr): New.
1071         (pdr_find_duplicate): New.
1072         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1073         Initialize PDR_NB_REFS.
1074         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1075         (PDR_NB_REFS): New.
1076         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1077
1078 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         Revert one of the previous commits:
1081         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1082         the computation of symmetric data dependence relations.
1083         (dependency_between_pbbs_p): Same.
1084
1085 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1086
1087         PR middle-end/40965
1088         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1089         any transform.
1090
1091 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1092
1093         * graphite-dependences.c (pddr_original_scattering): Return NULL
1094         for read-read dependence relations.
1095         * graphite-poly.h (enum poly_dr_type): Fix comment.
1096         (pdr_read_p): New.
1097         (pdr_write_p): New.
1098         (pdr_may_write_p): New.
1099
1100 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1103         (struct poly_dr): Same.
1104         (new_poly_dr): Same.
1105         * graphite-poly.c (new_poly_dr): Same.
1106
1107 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1108             Sebastian Pop  <sebastian.pop@amd.com>
1109
1110         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1111         pbb_strip_mine_time_depth.  Changed the implementation so that
1112         transformation is expressed as a transformation on
1113         time (scatttering) dimensions.  Also, ensures that the 2d+1
1114         scheduling format is preserved.
1115         (pbb_strip_mine_profitable_p): Profitability is based on the
1116         iteration number of a given time (scattering) dimension,
1117         and not on a original loop depth dimension.
1118         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1119         (pbb_do_strip_mine): Call psct_dynamic_dim.
1120         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1121         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1122         (pbb_nb_dynamic_scattering_transform): New.
1123         (psct_dynamic_dim): New.
1124
1125 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1126
1127         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1128         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1129         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1130         * graphite-interchange.c (build_linearized_memory_access): Same.
1131         (memory_stride_in_loop): Same.
1132
1133 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-dependences.c (pddr_original_scattering): New.
1136         (graphite_legal_transform_dr): Call pddr_original_scattering.
1137         (dot_deps_1): New.
1138         (dot_deps): New.
1139         * graphite-dependences.h (dot_deps): Declared.
1140         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1141         (print_pdr): Print PDR_ID.
1142         * graphite-poly.h (struct poly_dr): Add field id.
1143         (PDR_ID): New.
1144         (pbb_index): New.
1145         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1146
1147 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1148
1149         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1150         not delete the original dependence relation.
1151
1152 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1155         the computation of symmetric data dependence relations.
1156         (dependency_between_pbbs_p): Same.
1157
1158 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1161         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1162         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1163         (free_poly_ddr): New.
1164         (pddr_is_empty): New.
1165         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1166         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1167         Remove fprintfs.
1168         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1169         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1170         * graphite-dependences.h (enum poly_dependence_kind): New.
1171         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1172         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1173         (PDRP_SINK): Renamed PDDR_SINK.
1174         (PDRP_DDP): Renamed PDDR_DDP.
1175         (PDDR_KIND): New.
1176         (free_poly_ddr): Declared.
1177         * graphite-poly.c (new_scop): Use the new hash function names.
1178         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1179         into original_pddrs.
1180         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1181
1182 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * Merge from mainline (150764:150992).
1185
1186 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1189         bounds with LT_EXPR to make niter analysis more precise on code
1190         generated by Graphite.
1191
1192 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1195         (graphite_legal_transform_bb): Same.
1196         (poly_drs_may_alias_p): Same.
1197
1198 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         PR middle-end/40981
1201         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1202         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1203
1204 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1205
1206         * graphite-poly.c (print_pbb): Print PBB index.
1207
1208 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1209
1210         * Merge from mainline (r150672:150764).
1211
1212 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-interchange.c (ppl_max_for_le): Moved...
1215         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1216         * graphite-ppl.c (ppl_max_for_le): ... here.
1217         * graphite-ppl.h (ppl_max_for_le): Declared.
1218
1219 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * Merge from mainline (r150372:150672).
1222
1223 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         PR middle-end/40980
1226         * sese.c (convert_for_phi_arg): New.
1227         (add_guard_exit_phis): Use convert_for_phi_arg.
1228
1229         * testsuite/gfortran.dg/graphite/id-17.f: New.
1230
1231 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1234         unknown subscript upper bounds.
1235
1236         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1237
1238 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1239             Pranav Garg  <pranav.garg2107@gmail.com>
1240
1241         * graphite-interchange.c (gather_access_strides): Removed.
1242         (ppl_max_for_le): New.
1243         (build_linearized_memory_access): New.
1244         (memory_stride_in_loop): New.
1245         (pbb_interchange_profitable_p): Reimplemented.
1246         * graphite-ppl.h (ppl_new_id_map): New.
1247         (ppl_interchange): New.
1248
1249         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1250
1251 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-interchange.c (compute_subscript): Removed.
1254         (compute_array_size_cstr): Removed.
1255         (compute_array_size_poly): Removed.
1256         (compute_array_size): Removed.
1257         (gather_access_strides_poly): Removed.
1258         (gather_access_strides): Empty.
1259
1260 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1261
1262         * graphite-dependences.c (dependence_polyhedron_1): Replace
1263         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1264         (graphite_legal_transform_dr): Same.
1265         (graphite_carried_dependence_level_k): Same.
1266         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1267         Initialize PDR_NB_SUBSCRIPTS.
1268         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1269         PDR_NB_SUBSCRIPTS.
1270         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1271         (PDR_NB_SUBSCRIPTS): New.
1272         (pdr_nb_subscripts): Removed.
1273         (pdr_dim): Simplified.
1274         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1275         with PDR_NB_SUBSCRIPTS.
1276
1277 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-interchange.c (compute_array_size): Remove use of
1280         PDR_DATA_CONTAINER.
1281         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1282         Do not initialize PDR_DATA_CONTAINER.
1283         (print_pdr): Do not print PDR_DATA_CONTAINER.
1284         * graphite-poly.h (struct poly_dr): Remove data_container field.
1285         (PDR_DATA_CONTAINER): Removed.
1286         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1287         PDR_DATA_CONTAINER.
1288         (build_poly_dr): Same.
1289
1290 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1293
1294 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1295             Sebastian Pop  <sebastian.pop@amd.com>
1296
1297         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1298         copy of the dependence polyhedron.  Free the temporary objects.
1299         (graphite_carried_dependence_level_k): Free unused objects before
1300         returning.
1301
1302         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1303         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1304         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1305         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1306         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1307
1308 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1311         Early return without analyzing the data dependences if no
1312         transform has been done.  Call restore_scattering if the transform
1313         is not legal.
1314         (graphite-interchange.c): Same.
1315         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1316         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1317         (apply_poly_transforms): Do not gcc_assert that
1318         the transform is legal.
1319         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1320         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1321         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1322         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1323         * graphite-poly.h (struct poly_scattering): New.
1324         (struct poly_bb): Add original, transformed, and saved fields.
1325         Remove transformed_scattering, original_scattering, nb_local_variables,
1326         and nb_scattering_transform fields.
1327         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1328         (poly_scattering_new): New.
1329         (poly_scattering_free): New.
1330         (poly_scattering_copy): New.
1331         (store_scattering_pbb): New.
1332         (store_scattering): New.
1333         (restore_scattering_pbb): New.
1334         (restore_scattering): New.
1335         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1336         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1337
1338 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1341         (print_scop): Same.
1342
1343 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * Makefile.in (graphite.o): Depends on PREDICT_H.
1346         * graphite.c: Include predict.h.
1347         (graphite_finalize): Call tree_estimate_probability.
1348         * predict.c (predict_loops): Do not call scev_initialize and
1349         scev_finalize.
1350         (tree_estimate_probability_bb): New.
1351         (tree_estimate_probability): Do not initialize loops: move that
1352         code to the driver.  Call tree_estimate_probability_bb.
1353         (tree_estimate_probability_driver): New.
1354         (pass_profile): Use tree_estimate_probability_driver.
1355         * predict.h (tree_estimate_probability): Declared.
1356
1357 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1360         * graphite-dependences.c (graphite_legal_transform): Add time to
1361         TV_GRAPHITE_DATA_DEPS.
1362         (dependency_between_pbbs_p): Same.
1363         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1364
1365 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * Merge from mainline (r149952:150372).
1368
1369 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1372         * graphite-blocking.c: Same.
1373         * graphite-clast-to-gimple.c: Same.
1374         * graphite-dependences.c: Same.
1375         * graphite-poly.c: Same.
1376         * graphite-poly.h: Same.
1377         * graphite-ppl.c: Same.
1378         * graphite-scop-detection.c: Same.
1379         * graphite-sese-to-poly.c: Same.
1380         * graphite.c: Same.
1381
1382 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1385         (remove_simple_copy_phi): New.
1386         (remove_invariant_phi): New.
1387         (simple_copy_phi_p): New.
1388         (reduction_phi_p): New.
1389         (gsi_for_ssa_name_def): New.
1390         (insert_out_of_ssa_copy): New.
1391         (insert_out_of_ssa_copy_on_edge): New.
1392         (create_zero_dim_array): New.
1393         (scalar_close_phi_node_p): New.
1394         (rewrite_close_phi_out_of_ssa): New.
1395         (rewrite_phi_out_of_ssa): New.
1396         (rewrite_reductions_out_of_ssa): New.
1397         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1398
1399         * testsuite/gcc.dg/graphite/id-11.c: New.
1400         * testsuite/gcc.dg/graphite/id-15.c: New.
1401         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1402         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1403         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1404         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1405         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1406         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1407         * testsuite/gfortran.dg/graphite/id-13.f: New.
1408         * testsuite/gfortran.dg/graphite/id-5.f: New.
1409
1410 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1413         check that nb_reductions_in_loop is zero.
1414         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1415         reduction phi nodes.
1416         (nb_reductions_in_loop): Removed.
1417         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1418         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1419         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1420         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1421         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1422
1423 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1424
1425         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1426         statements that have an empty iteration domain.
1427         * testsuite/gfortran.dg/graphite/id-16.f: New.
1428
1429 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * tree-scalar-evolution.c (instantiate_scev_1): Return
1432         chrec_dont_know when the result is not above instantiate_below.
1433         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1434         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1435         the tree has a known scalar evolution.
1436         * testsuite/gfortran.dg/graphite/id-14.f: New.
1437         * testsuite/gfortran.dg/graphite/id-15.f: New.
1438
1439 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1442         insert_gsi.
1443         (rename_variables): Keep inserting renames after the ones already
1444         inserted.
1445
1446 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-sese-to-poly.c (compare_bb_depths): New.
1449         (graphite_sort_dominated_info): New.
1450         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1451         (build_scop_scattering): Fix comment.
1452
1453 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1454
1455         * graphite.c (graphite_finalize): Call print_loops instead of
1456         dump_function_to_file.
1457         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1458         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1459         loops generated in the graphite output file.
1460         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1461         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1462         * testsuite/gfortran.dg/graphite/id-12.f: New.
1463
1464 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1465
1466         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1467         Remove 2 XFAIL.
1468
1469 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1470             Tobias Grosser  <grosser@fim.uni-passau.de>
1471
1472         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1473         alias set number build alias in ACCESSES polyhedron.
1474         (build_alias_set_for_drs): New.
1475         (build_pbb_drs): Added build_alias_set_for_drs.
1476         * graphite-dependences.c (poly_drs_may_alias_p): New.
1477         (graphite_carried_dependence_level_k): Check alias information
1478         before building polyhedron.
1479
1480 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1481
1482         * Makefile.in (lambda-code.o): Fix formatting.
1483
1484 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1485
1486         * Merge from mainline (r149350-149952)
1487
1488 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1489
1490         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1491         before interchange to prepare for loop blocking.
1492
1493 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1494
1495         * graphite-poly.c (apply_poly_transforms): Add checks after every
1496         transformation.
1497         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1498         done in apply_poly_transforms.
1499
1500 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1501
1502         * graphite-dependences.c (build_lexicographically_gt_constraint):
1503         Replace RES parameter with *RES.
1504         (dependence_polyhedron_1): Pass an address of the parameter RES
1505         instead of value of RES.
1506
1507 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1508
1509         * graphite.c (graphite_finalize): Fix comment.
1510         (graphite_transform_loops): Reset scev info after code generation
1511         of each scop.
1512
1513 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1514
1515         * graphite.c (graphite_finalize): Call scev_reset.
1516
1517 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1520         GBB_CLOOG_IV_TYPES hash table twice.
1521         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1522         (add_condition_to_domain): Clear GMP values.
1523
1524 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite-dependences.c: Fix formatting.
1527         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1528         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1529         * graphite-sese-to-poly.c: Fix formatting.
1530         * graphite.c (graphite_transform_loops): Create the hash table
1531         after the early return.
1532
1533 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1534
1535         * testsuite/gcc.dg/graphite/id-14.c: New.
1536         * testsuite/gcc.dg/graphite/pr40157.c: New.
1537         * testsuite/gfortran.dg/graphite/id-11.f: New.
1538
1539 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1542         (build_poly_scop): Return false when there are no pbbs within
1543         loops to avoid to pass to cloog scops with no loops.
1544
1545 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1548         useless test "i % 2".
1549         (build_pbb_scattering_polyhedrons): Fix formatting.
1550         (build_poly_dr): Same.
1551         * graphite.c (graphite_transform_loops): Restructure.
1552
1553 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1554
1555         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1556         reduction_list parameter.
1557         (rewrite_all_phi_nodes_with_iv): Same.
1558         (canonicalize_loop_ivs): Same.
1559         * tree-parloops.c (struct brli): Removed.
1560         (build_reduction_list_info): Removed.
1561         (build_new_reduction): New.
1562         (analyze_reduction_list): Removed.
1563         (gather_scalar_reductions): Find reductions instead of phi
1564         nodes that can't be canonicalized.
1565         (try_create_reduction_list): Remove reduction_list parameter.
1566         (gen_parallel_loop): Same.
1567         (parallelize_loops): Remove analyze_reductions variable,
1568         initialization and free.
1569         Change reduction_list htab initialization to reduction_info
1570         elements instead of ssa names.
1571         Call try_create_reduction_list and gen_parallel_loop without
1572         analyzed_reduction argument.
1573         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1574         canonicalize_loop_ivs with one less argument.
1575         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1576
1577 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1578
1579         * graphite-dependences.c (new_poly_dr_pair): New.
1580         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1581         (new_poly_dr_pair): New.
1582         (eq_poly_dr_pair_p): New.
1583         (hash_poly_dr_pair_p): New.
1584         * graphite-dependences.h (struct poly_dr_pair): New.
1585         (eq_poly_dr_pair_p): Declared.
1586         (hash_poly_dr_pair_p): Declared.
1587         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1588         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1589         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1590         * Makefile.in (graphite-poly.o): Add dependence on
1591         graphite-dependences.h.
1592
1593 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1596         polynomials of degree > 1 pass to Graphite.
1597         * tree-chrec.c (scev_is_linear_expression): Call
1598         evolution_function_is_affine_multivariate_p.
1599         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1600
1601 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1604         Instantiate scevs varying in outer loops.
1605         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1606
1607 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1608
1609         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1610         redundant constraint.
1611
1612 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1615         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1616         based on the file names as in the C testsuite.
1617         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1618         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1619         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1620         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1621         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1622         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1623         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1624         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1625         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1626         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1627         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1628         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1629         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1630
1631 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1632
1633         * sese.c (expand_scalar_variables_call): New.
1634         (expand_scalar_variables_ssa_name): Handle calls in expander.
1635
1636 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1637
1638         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1639         Expect to see the pattern twice.
1640         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1641         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1642         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1643
1644 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1645
1646         * testsuite/gcc.dg/graphite/id-10.c: New.
1647         * testsuite/gcc.dg/graphite/id-12.c: New.
1648         * testsuite/gfortran.dg/graphite/id-7.f: New.
1649         * testsuite/gfortran.dg/graphite/id-8.f: New.
1650
1651 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1652
1653         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1654         zero.
1655
1656 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1659
1660 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1663
1664 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1667         building PDR subscripts.
1668
1669 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1672         computation of array sizes.
1673
1674 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1677
1678 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1679
1680         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1681         build_pairwise_constraint, dr_equality_constraints,
1682         build_pairwise_scheduling_equality,
1683         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1684         build_lexicographically_gt_constraint, dependence_polyhedron,
1685         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1686         Move from NNC_Polyhedron to C_Polyhedron.
1687         * graphite-interchange.c (compute_array_size_poly,
1688         gather_access_strides): Dito.
1689         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1690         free_scop, pbb_number_of_iterations): Dito.
1691         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1692         pbb_dim_iter_domain, struct scop): Dito.
1693         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1694         new_Cloog_Domain_from_ppl_Polyhedron,
1695         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1696         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1697         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1698         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1699         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1700         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1701         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1702         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1703         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1704         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1705         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1706         build_scop_iteration_domain, build_poly_dr): Dito
1707
1708 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1711         run-id-*.c files.
1712         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1713
1714 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1717         positivity constraint on the symbolic number of iterations.
1718
1719 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1722
1723 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1724             Tobias Grosser  <grosser@fim.uni-passau.de>
1725
1726         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1727         (build_cloog_prog): Directly use SCOP_CONTEXT.
1728         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1729         (free_scop): Free SCOP_CONTEXT.
1730         (print_scop_context): New.
1731         (print_scop): Call print_scop_context.
1732         (debug_scop_context): New.
1733         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1734         (struct scop): Added field context.
1735         (SCOP_CONTEXT): New.
1736         * graphite-sese-to-poly.c (add_param_constraints): New.
1737         (build_scop_context): New.
1738         (build_poly_scop): Call build_scop_context.
1739
1740 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1743         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1744         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1745         * graphite-ppl.h: Include double-int.h and tree.h.
1746         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1747         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1748         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1749         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1750
1751 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1754         POINTER_PLUS_EXPR for pointer types.
1755         (clast_to_gcc_expression): Same.
1756
1757 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * graphite-poly.c (print_scattering_function): Early return when
1760         PBB_TRANSFORMED_SCATTERING is not initialized.
1761         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1762
1763 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1766         to fix bootstrap.
1767
1768 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1769
1770         * tree-parloops.c (analyze_reduction_list): Change return
1771         value to void.
1772         (try_create_reduction_list): Move the call to
1773         analyze_reduction_list to the beginining.
1774         Call reduction_phi with analyzed_reductions as argument
1775         instead of reduction_list.
1776
1777 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1778
1779         *  Merge from mainline (r148296:149346)
1780
1781 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-scop-detection.c (graphite_can_represent_init): New.
1784         (graphite_can_represent_scev): Call graphite_can_represent_init:
1785         check that the initial value does not contain multiplications of
1786         parameters.
1787         (stmt_has_simple_data_refs_p): New.
1788         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1789         (is_simple_operand): Fix formatting.
1790         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1791
1792 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * testsuite/gcc.dg/graphite/id-13.c: New.
1795         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1796         analyze_scalar_evolution, use scalar_evolution_in_region.
1797         (scan_tree_for_params_right_scev): Add extra assert.
1798         (parameter_index_in_region_1): Split from parameter_index_in_region.
1799         (idx_record_params): Use scalar_evolution_in_region.
1800         (find_params_in_bb): Same.
1801         (find_scop_parameters): Same.
1802         (build_loop_iteration_domains): Same.
1803         (create_linear_expr_from_tree): Same.
1804         * sese.c (scalar_evolution_in_region): New.
1805         * sese.h (scalar_evolution_in_region): Declared.
1806         (defined_in_sese_p): New.
1807         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1808         static anymore.
1809         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1810         Declared.
1811
1812 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1815         TREE_DATA_REF_H also implies SCEV_H.
1816
1817 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-poly.c (print_scop_params): New.
1820         (print_scop): Call print_scop_params.
1821         (debug_scop_params): New.
1822         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1823
1824 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1825
1826         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1827         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1828         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1829         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1830         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1831         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1832
1833 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1834
1835         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1836         for dependency checking part.
1837         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1838         tests for dependency checking.
1839         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1840         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1841         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1842         flag -fdump-tree-graphite-all for autopar testsuites.
1843
1844 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1847         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1848         canonicalize_loop_ivs): Moved...
1849         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1850
1851 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * tree-parloops.c (try_create_reduction_list): Pass an extra
1854         argument analyzed_reductions.  Call analyze_reduction_list.
1855         (gen_parallel_loop): Do not call analyze_reduction_list.
1856         (parallelize_loops): Init and finalize analyzed_reductions.
1857
1858 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1859
1860         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1861         Added flag -fno-loop-strip-mine for autopar testcase.
1862
1863 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1864
1865         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1866         transformed scattering dimension instead of unmatch orignal when
1867         calling dependence_polyhedron.
1868
1869 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1872
1873 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1876         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1877
1878 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1881         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1882         * graphite-poly.c (pbb_number_of_iterations): New.
1883         * graphite-poly.h (pbb_number_of_iterations): Declared.
1884         (pbb_iterator_dim, pbb_parameter_dim): New.
1885
1886 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1889         last commit on type of lower and upper bound of loops.
1890
1891 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1892
1893         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1894         graphite-dependences.h.
1895         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1896         (mark_bb_with_pbb): New.
1897         (get_stmtfor_depth): New.
1898         (find_pbb_via_hash): New.
1899         (dependency_in_loop_p): New.
1900         (mark_loops_parallel): New.
1901         (free_aux_in_new_loops): New.
1902         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1903         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1904         innermost loop parallel without checking.
1905         (gloog): Add parameter BB_PBB_MAPPING.
1906         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1907         (gloog): Change declaration.
1908         (mark_loop_parallel): Make extern.
1909         (free_aux_in_new_loops): Declare.
1910         (bb_pbb_map_hash): New.
1911         (eq_bb_pbb_map): New.
1912         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1913         auto parallelization when flag_graphite_force_parallel is set.
1914         (graphite_finalize): Added free_aux_in_new_loops.
1915         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1916         the innermost loop that marked parallel.  Use
1917         flag_graphite_force_parallel instead of loop->can_be_parallel.
1918         (loop_parallel_p): Move inner most checking out of function.
1919
1920 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1923         type of lower and upper bound of loops signed long int.
1924
1925 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1926
1927         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1928         expression outside the loop.
1929
1930 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1931
1932         * gcc.dg/graphite/interchange-8.c: New.
1933
1934 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * gcc.dg/graphite/interchange-0.c: XFailed.
1937         * gcc.dg/graphite/interchange-5.c: XFailed.
1938         * gcc.dg/graphite/interchange-6.c: XFailed.
1939
1940 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-interchange.c (compute_array_size_poly): The end of the
1943         recursion should return 1.
1944
1945 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * graphite-interchange.c (compute_array_size_cstr): Allow the
1948         subscript multiplier to be -1.
1949         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1950         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1951         data_container.  Initializes PDR_DATA_CONTAINER.
1952         (print_pdr_access_layout): New.
1953         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1954         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1955         data_container.
1956         (PDR_DATA_CONTAINER): New.
1957         (new_poly_dr): Update declaration.
1958         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1959         (build_poly_dr): Call pdr_add_data_dimensions.
1960
1961 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * graphite-poly.h (struct poly_dr): Fix comment.
1964         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1965         (pdr_add_memory_accesses): New.
1966         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1967
1968 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1971         (print_pbb): Add call to print_pdrs.
1972         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1973
1974 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1975             Li Feng <nemokingdom@gmail.com>
1976
1977         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1978         (dependency_between_pbbs_p): New.
1979         (lexicographically_gt_p): Assure !empty_p before polyhedron
1980         intersection assign.
1981         (build_lexicographically_gt_constraint): Correct lexicographically
1982         judging.
1983         * graphite-dependences.h: New.
1984         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1985
1986 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1989         (gloog): Print to dump_file the generated clast.
1990         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1991         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1992
1993 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-poly.c (extend_scattering): Increment
1996         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1997
1998 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1999
2000         * graphite-interchange.c (compute_array_size_poly): Added exit of
2001         recursion condition.  Continue iterating even after the first equality.
2002         (compute_array_size): Same.
2003
2004 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2005
2006         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2007         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2008         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2009         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2010         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2011
2012 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2015         only when the use verifies is_gimple_reg.
2016
2017 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2020         Allocate scaldims after call to unify_scattering_dimensions.
2021
2022 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2025
2026 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2027             Albert Cohen  <albert.cohen@inria.fr>
2028
2029         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2030         variables for the strip mining.
2031
2032 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2033             Pranav Garg  <pranav.garg2107@gmail.com>
2034
2035         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2036         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2037         (graphite-blocking.o): New rule.
2038         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2039         * graphite-blocking.c: New.
2040         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2041         flag_loop_strip_mine.
2042         (psct_scattering_dim_for_loop_depth): New.
2043         * graphite-poly.h (scop_do_strip_mine): Declared.
2044         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2045         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2046         flag_loop_strip_mine.
2047
2048 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2049
2050         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2051         a GMP value and a PPL coefficient at each iteration of a loop.
2052
2053 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * graphite-dependences.c (dependence_polyhedron): Do not use
2056         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2057         pbb_nb_scattering_transform.
2058         (graphite_legal_transform_dr): Same.
2059         * graphite-poly.c (extend_scattering): Same.
2060         (unify_scattering_dimensions): Same.
2061         (print_scattering_function): Same.
2062         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2063         PBB_NB_LOCAL_VARIABLES.
2064         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2065         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2066         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2067         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2068         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2069         (pbb_nb_scattering_transform): New.
2070         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2071         (psco_scattering_dim): Add assert on parameters.
2072         (psct_scattering_dim): Same.
2073         (psct_scattering_dim_for_loop_depth): Declared.
2074         (psct_local_var_dim): New.
2075         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2076         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2077         correct layout, call pbb_nb_local_vars.
2078         (psct_add_local_variable, psct_add_scattering_dimension): New.
2079         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2080         Initialize PBB_NB_SCATTERING_TRANSFORM.
2081
2082 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2085         (set_coef): Renamed ppl_set_coef.
2086         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2087
2088 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2091         test a boolean against 1.
2092         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2093         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2094         (pbb_do_interchange): Returns true when a transform has been performed.
2095         (scop_do_interchange): Same.
2096         * graphite-poly.c (apply_poly_transforms): Use the return value of
2097         scop_do_interchange.
2098         * graphite-poly.h (scop_do_interchange): Update declaration.
2099
2100 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2101
2102         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2103         after last use.
2104         * sese.c (sese_reset_aux_in_loops): New.
2105         * sese.h (sese_reset_aux_in_loops): New.
2106
2107 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2110         multiplier and multiply the constant by the multiplier.
2111         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2112         (build_poly_dr): Do not use the multiplier to define the subscript.
2113
2114 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2117         compiler's data reference.  Initialize PDR_CDR.
2118         (print_pdr): Call dump_data_reference.
2119         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2120         Add compiler_dr field.
2121         (PDR_BB): Renamed PDR_PBB.
2122         (PDR_CDR): New.
2123         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2124         GCC's data reference representation.
2125         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2126         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2127
2128 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * graphite-poly.c (print_scattering_function): Also print the layout.
2131         * graphite-poly.h (pbb_nb_local_vars): New.
2132
2133 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2136
2137 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2138
2139         * graphite-poly.c (print_pdr, debug_pdr): New.
2140         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2141         (PDR_BASE): Removed.
2142
2143 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2146         ltrans-{1..6,8}.c.
2147
2148 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2151         subscript identification column.
2152         (pbb_do_interchange): Print to dump_file that some loops "will be
2153         interchanged".  Rely on that chain of characters in the testcases.
2154         * gcc.dg/graphite/interchange-0.c: New.
2155         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2156         interchange-*.c files and compile them with -floop-interchange.
2157
2158 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2159
2160         * graphite-interchange.c (interchange_profitable_p): Renamed
2161         pbb_interchange_profitable_p.
2162
2163 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2164             Harsha Jagasia  <harsha.jagasia@amd.com>
2165             Pranav Garg  <pranav.garg2107@gmail.com>
2166
2167         * graphite-interchange.c (interchange_profitable_p): Make static.
2168         (pbb_interchange_loop_depths, pbb_do_interchange,
2169         scop_do_interchange): New.
2170         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2171         for flag_loop_interchange.
2172         * graphite-poly.h (scop_do_interchange): Declared.
2173         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2174         flag_loop_interchange is used.
2175
2176 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * graphite-dependences.c (dependence_polyhedron): Update use of
2179         pbb_nb_scattering_dims.
2180         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2181         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2182         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2183         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2184
2185 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2186
2187         * graphite.c: Cleanup foo.
2188
2189 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2190
2191         * Merge from mainline (r143684:148293).
2192         * Disabled libpcp until it gets fixed.
2193
2194 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2195             Harsha Jagasia  <harsha.jagasia@amd.com>
2196
2197         * graphite-interchange.c: New.
2198         * Makefile.in (graphite-interchange.o): New.
2199         * graphite-poly.h (interchange_profitable_p): Declared.
2200         * graphite-ppl.h (value_max): New.
2201
2202 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2205         * graphite-poly.h: Fix some comments.
2206         (pdr_dim): New.
2207         (pdr_scop): New.
2208
2209 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2210
2211         * graphite-poly.h
2212         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2213         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2214         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2215         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2216         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2217         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2218         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2219         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2220         * graphite-clast-to-gimple.c: Same.
2221         * graphite-dependences.c: Same.
2222         * graphite-poly.c: Same.
2223         * graphite-sese-to-poly.c: Same.
2224
2225 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2228         expressions for an IV rename, as returned by clast_to_gcc_expression.
2229         (copy_renames): Rename new_name to expr.
2230         * sese.c (debug_rename_elt): Same.
2231         (get_rename): Same.
2232         (set_rename): Same.
2233         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2234         the information from the rename map.
2235         (rename_variables_in_stmt): Same.
2236         (add_loop_exit_phis): Rename new_name to expr.
2237         (insert_loop_close_phis): Same.
2238         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2239         * sese.h (struct rename_map_elt): Rename new_name to expr.
2240         (new_rename_map_elt): Same.
2241
2242 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2243
2244         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2245         * sese.c (set_rename): Make it extern.
2246         * sese.h (set_rename): Declared.
2247
2248 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-poly.c (extend_scattering): Free values.
2251         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2252         Free iterators.
2253         (ppl_print_powerset_matrix): Same.
2254         * graphite-scop-detection.c (free_scops_1): New.
2255         (limit_scops): Call free_scops_1.
2256         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2257         (build_poly_dr): Free PPL coefficients.
2258         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2259
2260 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2261
2262         * graphite-dependences.c: New.
2263         * graphite-data-ref.c: Removed.
2264         * graphite-data-ref.h: Removed.
2265         * Makefile.in (graphite-data-ref.o): Removed.
2266         (graphite-dependences.o): Added.
2267         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2268         * graphite-poly.c: Same.
2269         Move the data dependence testing to graphite-dependences.c.
2270
2271 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2272
2273         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2274         from graphite_cannot_represent_loop. Code refactored.
2275         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2276
2277 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2278
2279         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2280         Cover all the testcases (not only the filtered ones).
2281
2282 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2283
2284         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2285         unnecessary check. Update comments. Move check for REAL_TYPE here.
2286         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2287         done in (stmt_simple_for_scop_p).
2288
2289 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2290
2291         * graphite.c (print_global_statistics): New.
2292         (print_graphite_scop_statistic): New.
2293         (print_graphite_statistics): New.
2294         (graphite_initialize, graphite_transform_loops): Print statistics.
2295         * graphite-scop-detection (build_scops): Print statistics.
2296         (print_graphite_scop_statistics): New.
2297         (print_graphite_statistics): New.
2298
2299 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2302         (debug_clast_name_index): Removed.
2303         (debug_clast_name_indexes_1): Removed.
2304         (debug_clast_name_indexes): Removed.
2305         (clast_name_index_elt_info): Removed.
2306         (eq_clast_name_indexes): Removed.
2307         (clast_name_to_index): Removed.
2308         (new_clast_name_index): Removed.
2309         (save_clast_name_index): Removed.
2310         (save_var_name): Moved...
2311         (init_sese_params_index): Removed.
2312         (clast_name_to_gcc): Remove use of name_tree.
2313         (initialize_cloog_names): Same.
2314         (gloog): Do not call init_sese_params_index.
2315         * graphite-sese-to-poly.c (save_var_name): ...here.
2316         (parameter_index_in_region): New.
2317         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2318         (parameter_index_in_region): Removed.
2319         (is_parameter): Remove use of name_tree.
2320         * sese.h (struct name_tree): Removed.
2321         (struct sese): Remove use of name_tree.  New field params_names.
2322         (SESE_PARAMS_NAMES): New.
2323         (SESE_PARAMS): Remove duplicate.
2324         (parameter_index_in_region): Removed.
2325         (sese_nb_params): Remove use of name_tree.
2326         (struct clast_name_index): New.
2327         (new_clast_name_index): New.
2328         (clast_name_to_index): New.
2329         (save_clast_name_index): New.
2330         (debug_clast_name_index): New.
2331         (debug_clast_name_indexes_1): New.
2332         (debug_clast_name_indexes): New.
2333         (clast_name_index_elt_info): New.
2334         (eq_clast_name_indexes): New.
2335
2336 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2339         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2340         (graphite_loop_normal_form): Do not pass region.  Do not
2341         initialize SESE_OLDIVS.
2342         (build_graphite_loop_normal_form): Update call to
2343         graphite_loop_normal_form.
2344         * sese.c (debug_oldivs): Removed.
2345         (new_sese): Do not initialize SESE_OLDIVS.
2346         (free_sese): Do not free SESE_OLDIVS.
2347         (oldiv_for_loop): Removed.
2348         * sese.h (struct sese): Remove old_ivs.
2349         (SESE_OLDIVS): Removed.
2350         (oldiv_for_loop): Removed.
2351
2352 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2355         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2356         replaced by a call to newivs_to_depth_to_newiv.
2357         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2358         (clast_to_gcc_expression_red): Same.
2359         (gcc_type_for_clast_expr): Same.
2360         (gcc_type_for_clast_eq): Same.
2361         (graphite_translate_clast_equation): Same.
2362         (graphite_create_guard_cond_expr): Same.
2363         (graphite_create_new_guard): Same.
2364         (graphite_create_new_loop): Same.
2365         (build_iv_mapping): Same.
2366         (translate_clast): Same.
2367         (gloog): Same.
2368         (loop_iv_stack_patch_for_consts): Removed.  *
2369         sese.c (iv_stack_entry_is_constant): Removed.
2370         (iv_stack_entry_is_iv): Removed.
2371         (loop_iv_stack_push_iv): Removed.
2372         (loop_iv_stack_insert_constant): Removed.
2373         (loop_iv_stack_pop): Removed.
2374         (loop_iv_stack_get_iv): Removed.
2375         (loop_iv_stack_get_iv_from_name): Removed.
2376         (debug_loop_iv_stack): Removed.
2377         (free_loop_iv_stack): Removed.
2378         (loop_iv_stack_remove_constants): Removed.  *
2379         sese.h (iv_stack_entry_kind): Removed.
2380         (iv_stack_entry_data_union): Removed.
2381         (iv_stack_entry_struct): Removed.
2382         (iv_stack_entry_p): Removed.
2383         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2384         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2385         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2386         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2387         (gbb_loop_at_index): Fix indenting.
2388         (gbb_loop_index): Removed.
2389
2390 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2391
2392         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2393         Call clast_name_to_index.
2394
2395 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2396
2397         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2398         do not pass params.  Get params from SESE_PARAMS.
2399         (clast_to_gcc_expression): Same.
2400         (clast_to_gcc_expression_red): Same.
2401         (gcc_type_for_clast_eq): Same.
2402         (graphite_translate_clast_equation): Same.
2403         (graphite_create_new_loop): Same.
2404         * sese.c (rename_variables_in_stmt): Fix comment.
2405
2406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2409         newivs_index.
2410         Call save_clast_name_index.
2411         (translate_clast): Pass newivs_index.
2412         (gloog): Create and free newivs_index.
2413
2414 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2415
2416         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2417         (clast_name_index_p): New type.
2418         (debug_clast_name_index): New.
2419         (debug_clast_name_indexes_1): New.
2420         (debug_clast_name_indexes): New.
2421         (clast_name_index_elt_info): New.
2422         (eq_clast_name_indexes): New.
2423         (clast_name_to_index): New.
2424         (new_clast_name_index): New.
2425         (save_clast_name_index): New.
2426         (init_sese_params_index): New.
2427         (gloog): Call init_sese_params_index.
2428         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2429         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2430         (free_sese): Free SESE_PARAMS_INDEX.
2431         * sese.h (struct sese): Add params_index.
2432         (SESE_PARAMS_INDEX): New.
2433
2434 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2435
2436         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2437         (graphite_create_new_loop): Pass the newivs vector.  Push the
2438         newly created IV to newivs.
2439         (translate_clast): Pass the newivs vector.
2440         (gloog): Create and destroy the newivs vector.
2441
2442 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2445         (graphite_loop_normal_form): Initialize loop->aux with the unique
2446         IV that has been created.
2447
2448 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2449
2450         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2451         scev with parameters in the base part. They where forbidden
2452         exidently.
2453
2454 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2455
2456         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2457         compile options by file names.
2458         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2459         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2460         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2461         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2462
2463 2009-05-08  Li Feng <nemokingdom@gmail.com>
2464
2465         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2466         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2467         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2468         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2469
2470 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2471
2472         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2473         by final cleanup.
2474
2475 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2476
2477         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2478         allow integer constant strides.
2479         (graphite_can_represent_expr): Depend on outermost_loop.
2480         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2481         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2482         build_scops_1): Same.
2483         (scopdet_basic_block_info): Same and insert layered SCoP
2484         detection.
2485         (try_generate_gimple_bb): Cleanup.
2486         (build_scops): Enable data references.
2487
2488         * testsuite/gcc.dg/graphite/id-5.c: New.
2489         * testsuite/gcc.dg/graphite/id-9.c: New.
2490         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2491         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2492
2493 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2494
2495         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2496         that we have not yet built for this SCoP.
2497
2498 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2499
2500         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2501         for complex numbers.
2502
2503 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2504
2505         * graphite-ppl.c: Fix build if cloog is not available.
2506
2507 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2508
2509         * tree-parloops.c (loop_parallel_p): Remove construction of
2510         NITER and REDUCTION_LIST.
2511         (try_get_loop_niter): New.
2512         (try_create_reduction_list): New.
2513         (parallelize_loops): Bypass the failed checkings in autopar
2514         when can_be_parallel in loop structure is set to true.
2515
2516 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2517
2518         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2519         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2520
2521 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2522
2523         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2524         Enable EQ_EXPR and NE_EXPR again.
2525
2526 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2527
2528         * graphite-scop-detection.c (graphite_can_represent_scev):
2529         Add check if scev is affine multivariate.
2530         (harmful_stmt_in_bb): Check if we can represent the conditions.
2531         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2532         harmful_stmt_in_bb.
2533         * testsuite/gcc.dg/graphite/id-7.c: New.
2534
2535 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2536
2537         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2538         Check all bbs in region, not only the bbs that are represented in
2539         GRAPHITE.
2540         (build_poly_scop): Add newline.
2541         * testsuite/gcc.dg/graphite/id-8.c: New.
2542
2543 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2544
2545         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2546         when loop initialize.
2547         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2548         * common.opt: Declare flag_graphite_force_parallel.
2549         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2550         loop parallel.
2551         * graphite-poly.c (apply_poly_transforms): Introduce
2552         flag_graphite_force_parallel.
2553         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2554         * toplev.c (process_options): ditto and replace a not correctly
2555         encoded space.
2556
2557 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2558
2559         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2560         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2561         to the redefinition.
2562         (compute_cloog_iv_types_1): ditto.
2563         (build_iv_mapping): ditto.
2564         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2565         initialization.
2566         (free_gimple_bb): Removed GBB_LOOPS related free part.
2567         (build_bb_loops): Removed.
2568         * sese.h (struct gimple_bb): Removed loops.
2569         (GBB_LOOPS): Removed.
2570         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2571         (gbb_loop_index): ditto.
2572
2573 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2574
2575         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2576         allow non constant strides.
2577         * testsuite/gcc.dg/graphite/scop-20.c: New.
2578
2579 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * graphite-scop-detection.c (dot_all_scops): Fix system call
2582         return value warning.
2583         (dot_scop): Same.
2584
2585 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2588         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2589
2590 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2593         build_pairwise_constraint, dr_equality_constraints,
2594         build_pairwise_scheduling_equality,
2595         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2596         build_lexicographically_gt_constraint, dependence_polyhedron,
2597         graphite_legal_transform_dr, graphite_legal_transform_bb,
2598         graphite_legal_transform): New.
2599         * graphite-poly.h (graphite_legal_transform): Declared.
2600         * graphite-sese-to-poly.c (build_poly_scop): Call to
2601         graphite_legal_transform is disabled for the moment.
2602
2603 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2604
2605         * graphite-poly.h (pbb_nb_scattering_dims): New.
2606         (pbb_nb_scattering): Use it.
2607
2608 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2609
2610         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2611         Pointset_Powerset version of ppl_insert_dimensions.
2612         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2613
2614 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2617
2618 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2619
2620         * graphite-poly.h: Fix comment.
2621
2622 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2625
2626 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2627
2628         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2629         statements.
2630
2631 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2632
2633         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2634         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2635         conditions.
2636
2637 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2640         handle EQ_EXPR and NE_EXPR.
2641
2642 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2643
2644         * graphite-poly.h (poly_dr): Fix comment.
2645
2646 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2647             Tobias Grosser  <grosser@fim.uni-passau.de>
2648
2649         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2650         with a zero dimension polyhedron.
2651         (find_scop_parameters): Move the call to scop_set_nb_params here.
2652         (build_loop_iteration_domains): Store in loop->aux the iteration
2653         domain polyhedron.
2654         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2655         by any loop in scop.
2656         (build_poly_scop): Do not call scop_set_nb_params.
2657
2658 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2659             Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2662         add_condition_to_domain not GT_EXPR.
2663
2664 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2665
2666         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2667         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2668         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2669         upper_bound_assign to calculate unions.
2670         * testsuite/gcc.dg/graphite/id-6.c: New.
2671
2672 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2673
2674         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2675         handle abnormal edges.
2676
2677 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2678
2679         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2680         (free_poly_bb): Also free poly_drs.
2681         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2682         (poly_dr): Polyhedron to Pointset_Powerset.
2683         (pdr_accessp_nb_subscripts): Same.
2684         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2685         poly_drs.
2686
2687 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2690         names into more meaningful names.
2691
2692 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2695         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2696
2697 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2700         the reduction_list.
2701         * tree-parloops.c (rewrite_phi_with_iv): New.
2702         (rewrite_all_phi_nodes_with_iv): New.
2703         (canonicalize_loop_ivs): Call them.
2704
2705 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2708         graphite_find_data_references_in_stmt.
2709         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2710         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2711
2712 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2715
2716 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2717
2718         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2719         instead of bb_in_region.
2720         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2721         (build_sese_conditions): Use flag_bb_in_sese.
2722         * sese.c (register_bb_in_sese): Removed.
2723         (new_sese): Remove initialization of SESE_REGION_BBS.
2724         (free_sese): Do not free SESE_REGION_BBS.
2725         * sese.h (struct sese): Remove field region_basic_blocks.
2726         (SESE_REGION_BBS): Removed.
2727         (bb_in_sese_p): Implement in function of bb_in_region.
2728
2729 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2732         loops.
2733
2734 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2735
2736         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2737         and EQ_EXPR.
2738         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2739         (add_condition_to_domain): New.
2740         (add_condition_to_pbb): New.
2741         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2742         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2743
2744 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2745
2746         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2747         ppl_Pointset_Powerset.
2748         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2749         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2750         (pbb_nb_loops): Same.
2751         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2752         add_conditions_to_domain): Same.
2753         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2754         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2755         ppl_const_Polyhedron_t.
2756         (ppl_print_powerset_matrix): New.
2757         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2758         ppl_print_powerset_matrix): New.
2759         (ppl_print_polyhedron_matrix): Updated.
2760
2761 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2764
2765 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2768         (print_iteration_domains, debug_iteration_domain,
2769         debug_iteration_domains): New.
2770         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2771         debug_iteration_domains): Declared.
2772         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2773         indenting.
2774
2775 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2776             Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-poly.h (print_iteration_domain): New.
2779         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2780         (build_sese_conditions_1, build_sese_conditions_after,
2781         build_sese_conditions_before): New.
2782         (build_sese_conditions): Rewritten.
2783
2784 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2785             Tobias Grosser  <grosser@fim.uni-passau.de>
2786
2787         Cleanup of code generation liveouts.
2788         * graphite-clast-to-gimple.c (translate_clast): Use a single
2789         rename_map instead of one per translated statement.
2790         Do not use SESE_LIVEOUT_RENAMES.
2791         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2792         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2793         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2794         phi node of a reduction: when a loop contains a reduction used outside
2795         the loop, there should be a scalar close phi node on the exit block.
2796         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2797         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2798         (free_sese): Do not free them.
2799         (sese_build_liveouts_use): Do not use them.
2800         (sese_build_liveouts_bb): Same.
2801         (sese_build_liveouts): Same.
2802         (sese_insert_phis_for_liveouts): Same.
2803         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2804         (defined_in_loop_p): New.
2805         (alive_after_loop): New.
2806         (close_phi_not_yet_inserted_p): New.
2807         (struct alep, alep_p): New.
2808         (add_loop_exit_phis): Remove from the rename_map all the names defined
2809         in the code generated loop.
2810         (insert_loop_close_phis): Traverse the rename_map passed to it.
2811         Don't use SESE_LIVEOUT_RENAMES.
2812         (default_liveout_before_guard): Renamed default_before_guard.
2813         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2814         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2815         (register_sese_liveout_renames): Removed.
2816         (copy_bb_and_scalar_dependences): Do not call it.
2817         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2818         reduction_list.
2819         (SESE_LIVEOUT): Removed.
2820         (SESE_LIVEOUT_RENAMES): Removed.
2821         (SESE_REDUCTION_LIST): Removed.
2822         (sese_build_liveouts): Removed.
2823         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2824         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2825         (insert_guard_phis): Same.
2826         (rename_map_elt): Declare a VEC of them.
2827         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2828         trees not pointers to trees.
2829
2830         Rewrite in canonical close SSA form:
2831         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2832         (limit_scops): Close the scop after the block containing the close phi
2833         nodes.
2834         (canonicalize_loop_closed_ssa): New.
2835         (canonicalize_loop_closed_ssa_form): New.
2836         (build_scops): Call canonicalize_loop_closed_ssa_form.
2837
2838         * graphite-sese-to-poly.c: Fix typos.
2839
2840 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2843         Extended.
2844         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2845         (print_pbb): Add conditions.
2846
2847 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2848             Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2851         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2852         (build_scop_bbs_1): New.
2853         (build_scop_bbs): Rewrite.
2854         * sese.h (bb_in_region): New.
2855
2856 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2857
2858         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2859         poly_drs vector.
2860         (print_scop): Style.
2861         * graphite-poly.h (poly_bb): Add drs vector.
2862         (PBB_DRS): Add accessor.
2863         * graphite-sese-to-poly.c (build_poly_dr): New.
2864         (build_pbb_drs, build_scop_drs): New.
2865         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2866
2867 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2868
2869         * tree-ssa-loop.c: Include forgotten toplev.h
2870
2871 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2872
2873         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2874         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2875         * testsuite/gcc.dg/graphite/pr37928.c: Same
2876         * testsuite/gcc.dg/graphite/pr38409.c: Same
2877         * testsuite/gcc.dg/graphite/pr38498.c: Same
2878         * testsuite/gcc.dg/graphite/pr38559.c: Same
2879         * testsuite/gcc.dg/graphite/pr39335.c: Same
2880         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2881         * testsuite/gfortran.dg/graphite/block-2.f: Same
2882         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2883         with -floop-*.
2884
2885 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2886
2887         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2888         build_access_matrix, build_scop_data_accesses): Remove access function
2889         building. (We get a new version soon).
2890         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2891         * sese.h (nb_loops_around_loop_in_sese): Remove.
2892         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2893
2894 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2895             Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite-scop-detection.c (struct scopdet_info): Rename last
2898         field to exit.
2899         (scopdet_basic_block_info, build_scops_1): Don't use
2900         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2901
2902 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2903             Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2906         * sese.c (sese_build_liveouts_use): Renamed from
2907         sese_build_livein_liveouts_use. Remove liveins.
2908         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2909         Call sese_build_liveouts_use.
2910         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2911         Call sese_build_liveouts_bb.
2912         (new_sese, free_sese): Remove liveins.
2913         (sese_add_exit_phis_var): Deleted.
2914         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2915         directly.
2916         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2917
2918         * sese.h (sese): Remove num_ver and livein.
2919         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2920
2921 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2922
2923         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2924
2925 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2926
2927         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2928         (build_scop_scattering): Do not use compare_prefix_loops any more.
2929         (nb_common_loops): New.
2930
2931 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2934         (register_old_and_new_names): Renamed set_rename.
2935
2936 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2939         of the decl from the previous commit.
2940
2941 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * graphite-scop-detection.c (dot_scop): New.
2944         * graphite-scop-detection.h (dot_scop): Declared.
2945
2946 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2947
2948         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2949
2950 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2953         condition at the end of the loop.
2954         * graphite.c (graphite_initialize, graphite_finalize): Print to
2955         dump_file the compiled function.
2956         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2957         of create_empty_loop_on_edge.
2958         (translate_clast): Update the code generation of loops for the new
2959         shape of loops.
2960         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2961
2962 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2963
2964         Reverted the patch from 2009-03-19.
2965
2966 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2967
2968         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2969         poly_drs vector.
2970         (print_scop): Style.
2971         * graphite-poly.h (poly_bb): Add drs vector.
2972         (PBB_DRS): Add accessor.
2973         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2974         (build_access_matrix_with_af, build_access_matrix,
2975         build_scop_data_accesses): Delete.
2976         (build_poly_dr): New.
2977         (build_pbb_drs, build_scop_drs): New.
2978         (build_poly_scop): call build_scop_drs.
2979
2980 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2983         once per basic block.
2984
2985 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2986
2987         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2988         (graphite_can_represent_expr): Renamed from loop_affine_expr
2989         and enhanced.
2990         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2991         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2992         (scopdet_basic_block_info): Actually define entry_block.
2993         (stmt_simple_memref_p): Moved here from ...
2994
2995         * tree-data-ref.c (stmt_simple_memref_p): here.
2996         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2997
2998 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2999
3000         * testsuite/gcc.dg/graphite/id-4.c: New.
3001
3002 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3003
3004         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3005         (register_old_and_new_names): Update the content of the map.
3006         When there was already a rename_map_elt in the map at that
3007         location, free it.
3008         (copy_bb_and_scalar_dependences): Do rename_variables after
3009         expand_scalar_variables.
3010         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3011         of the map.  When there was already a rename_map_elt in the
3012         map at that location, free it.
3013         (translate_clast): Pass the rename_map.  Do not initialize and free
3014         a rename_map per stmt_user.
3015         (gloog): Initialize and free one rename_map and pass it to
3016         translate_clast.
3017
3018 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3019
3020         * sese.c (expand_scalar_variables_stmt,
3021         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3022         parameter.
3023         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3024         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3025         the gimple_stmt_iterator of the statement to be expanded.
3026         * graphite-scop-detection.c (is_simple_operand): Do handle
3027         REALPART_EXPR.
3028
3029 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3030
3031         * graphite-scop-detection.c (is_simple_operand): Do not handle
3032         REALPART_EXPR.
3033         * testsuite/gcc.dg/graphite/id-2.c: New.
3034
3035         * graphite-sese-to-poly.c (build_bb_loops,
3036         add_value_to_dim, scan_tree_for_params_right_scev,
3037         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3038         find_params_in_bb, build_loop_iteration_domains,
3039         add_conditions_to_domain): Remove subtract.
3040
3041 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3042
3043         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3044         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3045         pbb_loop_at_index -> gbb_loop_at_index.
3046         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3047         (debug_loop_vec): Delete.
3048         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3049         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3050         (PBB_LOOPS): Removed.
3051         (PBB_BLACK_BOX): Insert cast.
3052         (pbb_set_black_box): New setter.
3053         (pbb_loop_at_index, pbb_loop_index): Removed.
3054         (scop_set_region, scop_set_nb_params): New.
3055         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3056         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3057         (build_poly_scop): Use scop_set_nb_params.
3058         * sese.h (gimple_bb): Add LOOPS.
3059         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3060
3061 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3062
3063         Revert previous commit.
3064
3065 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3066
3067         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3068         (register_old_and_new_names): Update the content of the map.
3069         When there was already a rename_map_elt in the map at that
3070         location, free it.
3071         (copy_bb_and_scalar_dependences): Do rename_variables after
3072         expand_scalar_variables.
3073         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3074         of the map.  When there was already a rename_map_elt in the
3075         map at that location, free it.
3076         (translate_clast): Pass the rename_map.  Do not initialize and free
3077         a rename_map per stmt_user.
3078         (gloog): Initialize and free one rename_map and pass it to
3079         translate_clast.
3080
3081 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3082
3083         Remove forgotten line in revert.
3084
3085 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         Revert previous commit.
3088
3089 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3090
3091         * sese.c (register_old_and_new_names): Update the content
3092         of the map.  When there was already a rename_map_elt in the
3093         map at that location, free it.
3094         (copy_bb_and_scalar_dependences): Do rename_variables after
3095         expand_scalar_variables.
3096         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3097         of the map.  When there was already a rename_map_elt in the
3098         map at that location, free it.
3099         (translate_clast): Pass the rename_map.  Do not initialize and free
3100         a rename_map per stmt_user.
3101         (gloog): Initialize and free one rename_map and pass it to
3102         translate_clast.
3103
3104 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         * graphite-clast-to-gimple.c (translate_clast): context_loop
3107         is never NULL.
3108
3109 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3110             Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3113         of the use of ppl_Polyhedron_map_space_dimensions.
3114
3115 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3116             Sebastian Pop  <sebastian.pop@amd.com>
3117
3118         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3119         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3120         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3121         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3122         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3123         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3124         pbb_nb_params): New.
3125         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3126         nb_loops_around_pbb): Adapt return types.
3127
3128 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3131         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3132         graphite-scop-detection.o, graphite-poly.o): Add
3133         more headers.
3134
3135 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3136
3137         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3138         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3139         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3140
3141 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3142
3143         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3144         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3145         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3146         * testsuite/gcc.dg/graphite/block-0.c: Same.
3147         * testsuite/gcc.dg/graphite/block-1.c: Same.
3148         * testsuite/gcc.dg/graphite/block-2.c: Same.
3149         * testsuite/gcc.dg/graphite/block-3.c: Same.
3150         * testsuite/gcc.dg/graphite/block-4.c: Same.
3151         * testsuite/gcc.dg/graphite/block-5.c: Same.
3152         * testsuite/gcc.dg/graphite/block-6.c: Same.
3153         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3154         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3155         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3156         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3157         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3158         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3159         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3160         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3161         * opts.c: Remove -floop-block from -O2.
3162         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3163         -floop-strip-mine are used.
3164
3165 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3166             Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3169         dimensions.
3170         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3171         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3172         strip_mine_profitable_p, is_interchange_valid,
3173         graphite_trans_bb_block, graphite_trans_loop_block,
3174         graphite_trans_scop_block): Temporary removed.
3175         (extend_scattering, unify_scattering_dimensions): New.
3176         (print_scattering_function, graphite_read_transforms):
3177         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3178         (graphite_generate_scattering_fns): Removed.
3179         (apply_poly_transforms): Cleanup.
3180         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3181         (schedule_to_scattering): Moved.
3182         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3183         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3184         (pbb_nb_scattering): New.
3185         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3186         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3187         Removed.
3188         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3189         shift_poly.
3190         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3191         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3192         -> PBB_TRANSFORMED_SCATTERING.
3193         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3194         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3195         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3196         (check_poly_representation): Do not return bool.
3197         (graphite_transform_loops): Reformat.
3198         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3199
3200 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3203         debug_pbb_domain, debug_pbb, debug_scop): New.
3204         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3205         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3206
3207 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         PR middle-end/39335
3210         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3211         when the type precision of the induction variable should be
3212         larger than the type precision of nit.
3213         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3214         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3215         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3216
3217         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3218         * testsuite/gcc.dg/graphite/pr39335.c: New.
3219
3220 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3223         SSA_NAMES not struct reduction_info.
3224
3225 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3226
3227         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3228
3229 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3230             Tobias Grosser  <grosser@fim.uni-passau.de>
3231
3232         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3233         (free_sese): Free SESE_REDUCTION_LIST.
3234         * sese.h (struct sese): Add field reduction_list.
3235         (SESE_REDUCTION_LIST): New.
3236         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3237         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3238
3239 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3240             Tobias Grosser  <grosser@fim.uni-passau.de>
3241
3242         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3243         of loop_p.
3244
3245 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3246             Tobias Grosser  <grosser@fim.uni-passau.de>
3247
3248         * tree-parloops.c (struct brli, build_reduction_list_info,
3249         analyze_reduction_list, gather_scalar_reductions): New.
3250         (loop_parallel_p): Build a reduction list containing only
3251         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3252         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3253         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3254         * tree-flow.h (gather_scalar_reductions): Declared.
3255
3256 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         PR middle-end/39308
3259         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3260         number_of_iterations_exit from a gcc_assert.
3261
3262 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3263             Jan Sjodin  <jan.sjodin@amd.com>
3264
3265         * output.h (graphite_out_file, graphite_in_file): Declared.
3266         * toplev.c (graphite_out_file, graphite_in_file): New.
3267         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3268         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3269         Don't call schedule_to_scattering.
3270         * common.opt (fgraphite-write, fgraphite-read): New.
3271         * graphite-poly.c: Include output.h.
3272         (print_scattering_function, print_scattering_functions,
3273         debug_scattering_function, debug_scattering_functions,
3274         graphite_write_transforms, graphite_read_transforms,
3275         graphite_generate_scattering_fns): New.
3276         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3277         Call graphite_generate_scattering_fns, graphite_write_transforms,
3278         graphite_read_transforms.
3279         (new_poly_bb): Initialize PBB_SCATTERING.
3280         (free_poly_bb): Free PBB_SCATTERING.
3281         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3282         * graphite-poly.h (struct poly_bb): Add field scattering.
3283         (PBB_SCATTERING): New.
3284         (print_scattering_function, print_scattering_functions,
3285         debug_scattering_function, debug_scattering_functions): Declared.
3286         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3287         GMP values, not integers!
3288         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3289         ppl_read_polyhedron_matrix): New.
3290         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3291         debug_ppl_polyhedron_matrix,
3292         ppl_read_polyhedron_matrix): Declared.
3293         * Makefile.in (graphite-poly.o): Depends on output.h.
3294
3295 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3296             Tobias Grosser  <grosser@fim.uni-passau.de>
3297
3298         Revert this change:
3299         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3300         scalar evolutions in the scop_entry->loop_father.
3301
3302 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3303             Tobias Grosser  <grosser@fim.uni-passau.de>
3304
3305         * graphite.h (ref_nb_loops): Remove declaration.
3306         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3307         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3308         debug_gbb): Moved to sese.h.
3309         * sese.h: As said.
3310
3311 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3312             Tobias Grosser  <grosser@fim.uni-passau.de>
3313
3314         * graphite-data-ref.[ch]: Disable.
3315
3316 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3317             Tobias Grosser  <grosser@fim.uni-passau.de>
3318
3319         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3320         scalar evolutions in the scop_entry->loop_father.
3321
3322 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3325         (graphite_cannot_represent_loop_niter): Renamed
3326         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3327         (limit_scops): build_sese_loop_nests does not return a bool.
3328         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3329         * sese.c (nb_reductions_in_loop): ... from here.
3330         (graphite_loop_normal_form): ... from here.
3331         (sese_record_loop): Does not fail, so does not return a bool.
3332         (build_sese_loop_nests): Same.
3333         * sese.h (build_sese_loop_nests): Update declaration.
3334         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3335         (build_graphite_loop_normal_form): New.
3336         (gloog): Call build_graphite_loop_normal_form.
3337         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3338         build_sese_loop_nests.
3339
3340         * testsuite/gcc.dg/graphite/id-1.c: New.
3341
3342 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3343             Tobias Grosser  <grosser@fim.uni-passau.de>
3344
3345         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3346         The SCoP detection fix is sufficient.
3347
3348 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3349
3350         PR tree-optimization/39260
3351         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3352         the basic block contains a condition with a real type.
3353         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3354
3355         * gcc.dg/graphite/pr39260.c: New.
3356
3357 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * graphite-poly.c: Inlcude params.h.
3360         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3361         the size of a tile.
3362         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3363         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3364
3365 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3366             Tobias Grosser  <grosser@fim.uni-passau.de>
3367
3368         * graphite-scop-detection.c (dot_all_scops_1,
3369         dot_all_scops): Moved here.
3370         * graphite-scop-detection.h (dot_all_scops): Declared here.
3371         * graphite.c (graphite_initialize, graphite_finalize): New.
3372         (graphite_transform_loops): Cleaned up.
3373         * sese.c (debug_oldivs): Moved here.
3374         * graphite-poly.c (graphite_apply_transformations): Renamed
3375         apply_poly_transforms.
3376         (debug_loop_vec): Moved here.
3377         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3378         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3379         find_scop_parameters, build_scop_iteration_domain,
3380         add_conditions_to_constraints, build_scop_canonical_schedules,
3381         build_scop_data_accesses): Now static.
3382         (build_poly_scop, check_poly_representation): New.
3383
3384 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3387         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3388         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3389         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3390         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3391         scan_tree_for_params, struct irp_data, dx_record_params,
3392         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3393         build_loop_iteration_domains, add_conditions_to_domain,
3394         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3395         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3396         build_sese_conditions, add_conditions_to_constraints,
3397         build_scop_iteration_domain, build_access_matrix_with_af,
3398         build_access_matrix,
3399         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3400
3401         * graphite-sese-to-poly.c: New.
3402         * graphite-sese-to-poly.h: New.
3403
3404         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3405
3406 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3407
3408         * graphite.c: Split graphite code generation to a new file.
3409         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3410         max_precision_type, clast_to_gcc_expression_red,
3411         clast_to_gcc_expression, gcc_type_for_clast_expr,
3412         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3413         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3414         graphite_create_new_guard, clast_get_body_of_loop,
3415         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3416         graphite_create_new_loop, build_iv_mapping, copy_renames,
3417         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3418         compute_cloog_iv_types, free_scattering, save_var_name,
3419         initialize_cloog_names, build_scop_context, build_cloog_prog,
3420         set_cloog_options, debug_clast_stmt, scop_to_clast,
3421         print_generated_program, debug_generated_program,
3422         gloog): Moved to graphite-clast-to-gimple.c.
3423
3424         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3425
3426         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3427         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3428         loop_iv_stack_pop, loop_iv_stack_get_iv,
3429         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3430         free_loop_iv_stack, loop_iv_stack_remove_constants,
3431         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3432         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3433         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3434         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3435         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3436         get_vdef_before_sese, sese_adjust_vphi,
3437         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3438         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3439         is_iv, expand_scalar_variables_ssa_name,
3440         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3441         expand_scalar_variables, rename_variables, remove_condition,
3442         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3443         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3444         default_liveout_before_guard, add_guard_exit_phis,
3445         insert_guard_phis, register_old_and_new_names,
3446         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3447         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3448         if_region_set_false_region, create_if_region_on_edge,
3449         move_sese_in_condition): Moved to sese.c.
3450
3451         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3452         if_region_exit, if_region_get_condition_block,
3453         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3454         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3455         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3456         ivtype_map_elt, new_ivtype_map_elt,
3457         recompute_all_dominators): Moved to sese.h.
3458
3459         * graphite-clast-to-gimple.c: New.
3460         * graphite-clast-to-gimple.h: New.
3461         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3462         * sese.c: Modified as said above.
3463         * sese.h: Same.
3464
3465 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3466
3467         * graphite.c: Split scop detection to a new file.
3468         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3469         move_sd_regions, loop_affine_expr, exclude_component_ref,
3470         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3471         graphite_cannot_represent_loop_niter, struct scopdet_info,
3472         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3473         find_single_entry_edge, find_single_exit_edge,
3474         create_single_entry_edge, sd_region_without_exit,
3475         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3476         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3477         Moved to graphite-scop-detection.c.
3478
3479         * graphite-scop-detection.c: New.
3480         * graphite-scop-detection.h: New.
3481         * Makefile.in: Add new rule for graphite-scop-detection.o.
3482
3483         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3484         tree-scalar-evolution.h.
3485         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3486         build_sese_loop_nests): Moved here from graphite.c.
3487         (param_index): Renamed parameter_index_in_region.
3488
3489 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3490             Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         * gcc.dg/graphite/block-0.c: Expected to fail now.
3493         * gcc.dg/graphite/block-1.c: Same.
3494         * gcc.dg/graphite/block-5.c: Same.
3495         * gcc.dg/graphite/block-6.c: Same.
3496
3497 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3498             Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite.h: Separate from graphite_bb_p the polyhedral
3501         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3502         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3503         graphite-data-ref.h.
3504         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3505         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3506         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3507         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3508         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3509         scop_nb_params): Moved to graphite-poly.h.
3510         * graphite-data-ref.c: Same.
3511         * graphite-data-ref.h: New.
3512         * graphite.c: Same.
3513         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3514         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3515         is_interchange_valid, graphite_trans_bb_block,
3516         graphite_trans_loop_block, scop_max_loop_depth,
3517         graphite_trans_scop_block, graphite_apply_transformations,
3518         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3519         graphite-poly.c.
3520         * graphite-poly.h: New.
3521         * graphite-poly.c: New.
3522         * Makefile.in (OBJS-common): Add graphite-poly.o.
3523         (graphite-poly.o): New rule.
3524         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3525         (DR_SCOP): Removed.
3526
3527 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3528             Tobias Grosser  <grosser@fim.uni-passau.de>
3529
3530         * graphite.c: Replace gb -> gbb.
3531         * graphite.h: Same.
3532         * graphite-data-ref.c: Same.
3533
3534 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3535             Tobias Grosser  <grosser@fim.uni-passau.de>
3536
3537         * Makefile.in (OBJS-commmon): Add sese.o.
3538         (sese.o): New.
3539         (graphite.o): Add sese.h.
3540         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3541         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3542         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3543         Move to sese.
3544         (block_before_scop): Add missing return.
3545         (new_scop, free_scop): Remove SESE data structures.
3546         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3547         find_scop_parameters, build_loop_iteration_domains,
3548         add_conditions_to_domain, register_scop_liveout_renames,
3549         copy_bb_and_scalar_dependences): Scop -> SESE.
3550
3551         (add_conditions_to_domain): SCoP -> SESE and remove check
3552         (scop_contains_non_iv_scalar_phi_nodes): New.
3553         (build_scop_conditions_1, build_scop_conditions): Remove check for
3554         non iv scalar phi nodes.
3555         (print_scop_statistics): New.
3556         (graphite_transform_loops): Cleanup.
3557
3558         * graphite.h: Move to sese & cleanup.
3559         * sese.c: New.
3560         * sese.h: New.
3561
3562 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3563             Tobias Grosser  <grosser@fim.uni-passau.de>
3564
3565         * graphite.c (build_scop_conditions_1): Conditions are only
3566         at the end of a basic block.
3567
3568 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3569             Tobias Grosser  <grosser@fim.uni-passau>
3570
3571         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3572         field.
3573         (GBB_ALPHA): Removed.
3574
3575 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3576             Tobias Grosser  <grosser@fim.uni-passau.de>
3577
3578         * graphite-data-ref.c (graphite_test_dependence): Don't use
3579         GBB_DYNAMIC_SCHEDULE.
3580         * graphite.c (new_graphite_bb): Same.
3581         (free_graphite_bb): Same.
3582         (build_scop_dynamic_schedules): Removed.
3583         (graphite_transform_loops): Don't call it.
3584         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3585         (GBB_DYNAMIC_SCHEDULE): Removed.
3586
3587 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3588             Tobias Grosser  <grosser@fim.uni-passau.de>
3589
3590         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3591         (print_graphite_bb): Same.
3592         (build_cloog_prog): Same.
3593
3594 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3595             Tobias Grosser  <grosser@fim.uni-passau.de>
3596
3597         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3598
3599 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3600             Tobias Grosser  <grosser@fim.uni-passau.de>
3601
3602         * graphite.c (build_scop_context): Don't use CloogMatrix.
3603         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3604         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3605
3606 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3607             Tobias Grosser  <grosser@fim.uni-passau.de>
3608
3609         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3610         liveout_renames, add_params fields...
3611         (struct sese): ... here.
3612         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3613         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3614
3615 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3616             Tobias Grosser  <grosser@fim.uni-passau.de>
3617
3618         * graphite.c (print_scop): Do not print the CLooG program.
3619         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3620         build_cloog_prog, gloog): Don't use SCOP_PROG.
3621         (find_transform): Renamed scop_to_clast.
3622         (print_generated_program, debug_generated_program): New.
3623         (graphite_transform_loops): Adapt to new interface.
3624         * graphite.h (struct scop): Remove program field.
3625         (SCOP_PROG): Removed.
3626         (print_generated_program, debug_generated_program): Declared.
3627
3628 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3631         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3632         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3633         free_graphite_bb, build_scop_canonical_schedules,
3634         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3635         schedules are now represented using a ppl_Linear_Expression_t.
3636         * graphite.h (struct graphite_bb): Same.
3637         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3638         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3639
3640 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3641
3642         * graphite.c: Free local memory.
3643         * graphite-ppl.c: Same.
3644
3645 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3646
3647         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3648         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3649         swap_constraint_variables, scale_constraint_variable): Removed.
3650         (graphite_trans_bb_strip_mine): Remove pong.
3651         * graphite-ppl.c: Include missing header files.
3652         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3653         * graphite-ppl.h (ppl_strip_loop): Declared.
3654         * Makefile.in (graphite-ppl.o): Adjust dependences.
3655
3656 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3659         (build_scop_iteration_domain): Same.
3660
3661 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3662
3663         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3664         ping pong.
3665         (add_value_to_dim, scan_tree_for_params_right_scev,
3666         scan_tree_for_params_int): New.
3667         * graphite-ppl.c (oppose_constraint): New.
3668         (insert_constraint_into_matrix): Implement missing cases.
3669         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3670
3671 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3672
3673         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3674         use ppl_move_dimension.
3675
3676 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3677
3678         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3679         * graphite.c: Same.
3680         * graphite.h: Same.
3681         * graphite-ppl.c: Same.
3682         * graphite-ppl.h: Same.
3683
3684 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         Revert last 3 commits.
3687
3688 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3689
3690         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3691         ping pong.
3692         (add_value_to_dim, scan_tree_for_params_right_scev,
3693         scan_tree_for_params_int): New.
3694         * graphite-ppl.c (oppose_constraint): New.
3695         (insert_constraint_into_matrix): Implement missing cases.
3696         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3697
3698 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3701
3702 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3703             Tobias Grosser  <grosser@fim.uni-passau.de>
3704
3705         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3706         use ppl_move_dimension.
3707         * graphite-ppl.c (ppl_move_dimension): New.
3708         * graphite-ppl.h (ppl_move_dimension): Declared.
3709
3710 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * graphite.c: Do not include cloog/cloog.h.
3713         (print_graphite_bb): Remove ping pong, call PPL print function.
3714
3715 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3716
3717         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3718         (graphite.o): Add dependence on graphite-ppl.h.
3719         (graphite-ppl.o): New.
3720         (graphite-data-ref.c): Ping pong between PPL data structures
3721         and matrices.
3722         * graphite-ppl.c: New.
3723         * graphite-ppl.h: New.
3724         * graphite.c: Include graphite-ppl.h.
3725         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3726         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3727         Ping pong between PPL data structures and matrices.
3728         (new_graphite_bb): Create a PPL constraint system.
3729         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3730         (build_loop_iteration_domains): Use PPL functions.
3731         * graphite.h: Include graphite-ppl.h.  Fix comments.
3732         (graphite_bb): Use a ppl_Constraint_System_t instead of
3733         CloogMatrix for representing the domain.
3734         (scop): Remove static_schedule.
3735         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3736
3737 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3738
3739         * graphite.c: Fix some comments.
3740
3741 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         PR middle-end/38953
3744         * graphite.c (if_region_set_false_region): After moving a region
3745         in the false branch of a condition, remove the empty dummy
3746         basic block.
3747         (gloog): Remove wrong fix for PR38953.
3748
3749 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3750
3751         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3752         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3753         register_bb_in_sese, new_sese, free_sese): Moved.
3754         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3755         outermost_loop_in_scop, build_scop_iteration_domain,
3756         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3757         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3758         Use loop_in_sese_p instead of loop_in_scop_p.
3759         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3760         (free_scop): Do not free SCOP_BBS_B.
3761         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3762         ref_nb_loops): Moved here...
3763         * graphite.h (ref_nb_loops): ... from here.
3764         (struct scop): Remove bbs_b bitmap.
3765         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3766         * testsuite/gcc.dg/graphite/scop-19.c: New
3767
3768 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3769
3770         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3771         detection.
3772
3773 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3774
3775         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3776         eq_loop_to_cloog_loop): Remove.
3777         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3778         * graphite.h (struct scop): Remove loop2cloog_loop.
3779         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3780
3781 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3782
3783         * opts.c (decode_options): Only add graphite options to O2
3784         if we compile with graphite enabled.
3785
3786 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * Merge from mainline (r143163:143684).
3789
3790 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * graphite.c (debug_value): Removed.
3793         * graphite.h (debug_value): Removed.
3794
3795 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3796
3797         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3798         after graphite: pass_copy_prop does not maintain a proper loop closed
3799         SSA form.  pass_copy_prop should be fixed.
3800
3801 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3804
3805 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3808         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3809         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3810         changed the CFG.
3811
3812 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite.c (gloog): Return true when code gen succeeded.
3815         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3816         the code of the function did not changed.  After cleanup_tree_cfg
3817         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3818         form.
3819
3820 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3823         gimple_call_lhs is NULL.
3824
3825 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3826             Tobias Grosser  <tobi.grosser@amd.com>
3827
3828         * graphite.c (graphite_trans_scop_block): Do not block single
3829         nested loops.
3830
3831 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3832             Tobias Grosser  <tobi.grosser@amd.com>
3833
3834         * graphite.c (build_scop_canonical_schedules): Start schedules at
3835         zero.
3836
3837 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3838             Tobias Grosser  <tobi.grosser@amd.com>
3839
3840         * graphite.c (compare_prefix_loops): New.
3841         (build_scop_canonical_schedules): Rewritten.
3842         (graphite_transform_loops): Move build_scop_canonical_schedules
3843         after build_scop_iteration_domain.
3844
3845 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3846             Tobias Grosser  <tobi.grosser@amd.com>
3847
3848         * graphite.c (add_conditions_to_domain): Add the loops to
3849         the dimension of the iteration domain.  Do copy the domain
3850         only when it exists.
3851         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3852         (add_conditions_to_constraints): New.
3853         (can_generate_code_stmt, can_generate_code): Removed.
3854         (gloog): Do not call can_generate_code.
3855         (graphite_transform_loops): Call add_conditions_to_constraints
3856         after building the iteration domain.
3857
3858 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3859             Tobias Grosser  <tobi.grosser@amd.com>
3860             Jan Sjodin  <jan.sjodin@amd.com>
3861
3862         * graphite.c (scan_tree_for_params): On substractions negate
3863         all the coefficients of the term.
3864         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3865         of more than two operands.
3866         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3867         (get_vdef_before_scop): Handle also the case of default definitions.
3868
3869 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3870
3871         PR middle-end/38431
3872         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3873         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3874         (gloog): Do not call cleanup_tree_cfg.
3875         (graphite_transform_loops): Call cleanup_tree_cfg after all
3876         scops have been code generated.
3877
3878 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * passes.c (init_optimization_passes): Schedule after
3881         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3882
3883 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3886         Fix comment.
3887         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3888         Set the type of an expression to the type of its assign statement.
3889         (expand_scalar_variables_expr):  Do not pass loop_p.
3890         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3891         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3892         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3893
3894 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3897         an expression to the gimple_expr_type of its assign statement.
3898         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3899         or tcc_declaration.
3900
3901 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3902
3903         PR tree-optimization/38786
3904         * testsuite/gcc.dg/graphite/pr38786.c: New.
3905         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3906         the SSA_NAME case of expand_scalar_variables_expr.
3907         (expand_scalar_variables_expr): Also gather the scalar computation
3908         used to index the memory access.
3909         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3910         the gimple_stmt_iterator where it inserts new code.
3911
3912 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3915
3916 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * opts.c (decode_options): Enable flag_graphite_identity and
3919         flag_loop_block in -O2 and above.
3920
3921 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3924         Fix merge problem: replace with the file from trunk.
3925
3926 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         * Merge from mainline (r141727:143163).
3929
3930 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3931             Jan Sjodin  <jan.sjodin@amd.com>
3932
3933         PR tree-optimization/38559
3934         * testsuite/gcc.dg/graphite/pr38559.c: New.
3935
3936         * graphite.c (debug_value, copy_constraint,
3937         swap_constraint_variables, scale_constraint_variable, ): New.
3938         (get_lower_bound, get_upper_bound): Removed.
3939         (graphite_trans_bb_strip_mine): Clean up this code that works
3940         only for constant number of iterations.  Fully copy upper and
3941         lower bound constraints, not only the constant part of them.
3942         * graphite.h (debug_value): Declared.
3943
3944 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3945
3946         PR tree-optimization/38492
3947         PR tree-optimization/38498
3948         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3949         * tree-chrec.h (scev_is_linear_expression): Declared.
3950         * graphite.c (graphite_cannot_represent_loop_niter): New.
3951         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3952         (graphite_loop_normal_form): Use gcc_assert.
3953         (scan_tree_for_params): Use CASE_CONVERT.
3954         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3955         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3956         Use gcc_assert.  Discard scops that contain unhandled cases.
3957         (build_scop_conditions): Return a boolean status for unhandled cases.
3958         (strip_mine_profitable_p): Print the loop number, not its depth.
3959         (is_interchange_valid): Pass the depth of the loop nest, don't
3960         recompute it wrongly.
3961         (graphite_trans_bb_block): Same.
3962         (graphite_trans_bb_block): Print tentative of loop blocking.
3963         (graphite_trans_scop_block): Do not print that the loop has been
3964         blocked.
3965         (graphite_transform_loops): Do not handle scops that contain condition
3966         scalar phi nodes.
3967
3968         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3969         in trunk.
3970         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3971         * testsuite/gcc.dg/graphite/block-1.c: Same.
3972         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3973         blocking.
3974         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3975         * testsuite/gcc.dg/graphite/block-3.c: New.
3976         * testsuite/gcc.dg/graphite/pr38498.c: New.
3977
3978 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3979
3980         PR tree-optimization/38510
3981         * gcc.dg/graphite/pr38510.c: New.
3982         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3983           (translate_clast): Call recompute_all_dominators before
3984           graphite_verify.
3985           (gloog): Call recompute_all_dominators before graphite_verify.
3986
3987 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3988
3989         PR tree-optimization/38492
3990         * graphite.c (rename_map_elt, debug_rename_elt,
3991         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3992         rename_map_elt_info, eq_rename_map_elts,
3993         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3994         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3995         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3996         (sese_build_livein_liveouts): New.
3997         (new_sese, free_sese): New.
3998         (new_scop): Call new_sese.
3999         (free_scop): Call free_sese.
4000         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4001         (register_old_new_names): Renamed register_old_and_new_names.
4002         (register_scop_liveout_renames, add_loop_exit_phis,
4003         insert_loop_close_phis, struct igp,
4004         default_liveout_before_guard, add_guard_exit_phis,
4005         insert_guard_phis, copy_renames): New.
4006         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4007         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4008         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4009         (scop_adjust_phis_for_liveouts): New.
4010         (gloog): Call scop_adjust_phis_for_liveouts.
4011
4012         * graphite.h (struct sese): Documented.  Added fields liveout,
4013         num_ver and livein.
4014         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4015         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4016         (struct scop): Added field liveout_renames.
4017         (SCOP_LIVEOUT_RENAMES): New.
4018
4019 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         PR tree-optimization/38409
4022         * gcc.dg/graphite/pr38409.c: New.
4023         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4024
4025 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * graphite.c (gcc_type_for_cloog_iv): By default return
4028         integer_type_node.
4029         (graphite_create_new_loop): Don't fold_convert the already
4030         fold_convert-ed expression.
4031
4032 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4033
4034         PR tree-optimization/38446
4035         * gcc.dg/graphite/pr38446.c: New.
4036         * graphite.c (register_bb_in_sese): New.
4037         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4038         looking at the bbs in the region.
4039         * graphite.h (sese): Add region_basic_blocks pointer set to
4040         structure and initialize at the time of defining new scop.
4041
4042 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4043
4044         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4045         (find_params_in_bb): Do not free data refs.
4046         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4047
4048 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4049
4050         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4051         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4052         * testsuite/gcc.dg/graphite/block-5.c: New.
4053         * testsuite/gcc.dg/graphite/block-6.c: New.
4054         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4055         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4056         * testsuite/gcc.dg/graphite/block-2.c: Same.
4057
4058         * graphite.c (struct ivtype_map_elt): New.
4059         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4060         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4061         gcc_type_for_cloog_iv): New.
4062         (loop_iv_stack_patch_for_consts): Use the type of the induction
4063         variable from the original loop, except for the automatically
4064         generated loops, i.e., in the case of a strip-mined loop, in
4065         which case there is no original loop: in that case just use
4066         integer_type_node.
4067         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4068         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4069         (clast_name_to_gcc): Accept params to be NULL.
4070         (clast_to_gcc_expression): Take an extra parameter for the type.
4071         Convert to that type all the expressions built by this function.
4072         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4073         (graphite_translate_clast_equation): Compute the type of the
4074         clast_equation before translating its LHS and RHS.
4075         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4076         (graphite_create_new_loop): Compute the type of the induction
4077         variable before translating the lower and upper bounds and before
4078         creating the induction variable.
4079         (rename_variables_from_edge, rename_phis_end_scop): New.
4080         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4081         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4082         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4083         compute_cloog_iv_types): New.
4084         (gloog): Call compute_cloog_iv_types before starting the
4085         translation of the clast.
4086
4087         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4088         (GBB_CLOOG_IV_TYPES): New.
4089         (debug_ivtype_map): Declared.
4090         (oldiv_for_loop): New.
4091
4092 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4093
4094         PR middle-end/38459
4095         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4096         (param_index): Assert if parameter is not know after parameter
4097         detection.
4098         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4099         (find_scop_parameters): Mark, that we have finished parameter
4100         detection.
4101         (graphite_transform_loops): Move condition detection before parameter
4102         detection.
4103         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4104         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4105
4106 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4107
4108         * graphite.c (graphite_transform_loops): Always call find_transform ()
4109         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4110         generate code.
4111
4112 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4113
4114         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4115         (print_scop): Ditto.
4116
4117 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4118
4119         PR middle-end/38084
4120         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4121         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4122         regions more than once.
4123
4124 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4125
4126         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4127         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4128         when not needed.
4129
4130 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4133         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4134         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4135         (max_precision_type): New.
4136         (value_clast): Removed.
4137         (clast_to_gcc_expression): Be more careful to types of expressions.
4138         Use max_precision_type and update use of gmp_cst_to_tree.
4139         (graphite_translate_clast_equation): Use max_precision_type.
4140         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4141         use the type of the condition.
4142         (graphite_create_new_loop): Do not use integer_type_node, use the
4143         max_precision_type of lb and ub.
4144
4145 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4146
4147         * graphite.c (build_scops_1): Initialize open_scop.exit
4148         and sinfo.last.
4149
4150 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4151
4152         * testsuite/gcc.dg/graphite/pr38084.c: New.
4153         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4154         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4155         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4156         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4157         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4158
4159 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4160             Jan Sjodin  <jan.sjodin@amd.com>
4161             Harsha Jagasia  <harsha.jagasia@amd.com>
4162
4163         PR middle-end/37852
4164         PR middle-end/37883
4165         PR middle-end/37928
4166         PR middle-end/37980
4167         PR middle-end/38038
4168         PR middle-end/38039
4169         PR middle-end/38073
4170         PR middle-end/38083
4171         PR middle-end/38125
4172
4173         * testsuite/gcc.dg/graphite/pr38073.c: New.
4174         * testsuite/gcc.dg/graphite/pr37928.c: New.
4175         * testsuite/gcc.dg/graphite/pr37883.c: New.
4176         * testsuite/gcc.dg/graphite/pr38125.c: New.
4177         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4178         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4179         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4180
4181         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4182         the number of detected scops.  Copy exact same test for loop
4183         blocking...
4184         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4185         loops to be blocked as reductions are not handled.
4186         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4187
4188         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4189         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4190         ...here.
4191         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4192         * Makefile.in (graphite.o): Depend on value-prof.h.
4193         (graphite.o-warn): Removed -Wno-error.
4194         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4195         to be a NULL pointer.  Call update_stmt.  Return the newly created
4196         cannonical induction variable.
4197
4198         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4199
4200         * graphite.c: Reimplement the code generation from graphite to gimple.
4201         Include value-prof.h.
4202         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4203         (get_old_iv_from_ssa_name): Removed.
4204         (graphite_stmt_p): New.
4205         (new_graphite_bb): Test for useful statements before building a
4206         graphite statement for the basic block.
4207         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4208         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4209         reason.
4210         (recompute_all_dominators, graphite_verify,
4211         nb_reductions_in_loop, graphite_loop_normal_form): New.
4212         (scop_record_loop): Call graphite_loop_normal_form.
4213         (build_scop_loop_nests): Iterate over all the blocks of the
4214         function instead of relying on the incomplete information from
4215         SCOP_BBS.  Return the success of the operation.
4216         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4217         (add_bb_domains): Removed.
4218         (build_loop_iteration_domains): Don't call add_bb_domains.
4219         Add the iteration domain only to the basic blocks that have been
4220         translated to graphite.
4221         (build_scop_conditions_1): Add constraints only if the basic
4222         block have been translated to graphite.
4223         (build_scop_data_accesses): Completely disabled until data
4224         dependence is correctly implemented.
4225         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4226         (remove_all_edges_1, remove_all_edges): Removed.
4227         (get_new_name_from_old_name): New.
4228         (graphite_rename_variables_in_stmt): Renamed
4229         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4230         Use replace_exp and update_stmt.
4231         (is_old_iv): Renamed is_iv.
4232         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4233         Use replace_exp and update_stmt.
4234         (expand_scalar_variables_expr): Same.  Use the map to get the
4235         new names for the renaming of induction variables and for the
4236         renaming of variables after a basic block has been copied.
4237         (expand_scalar_variables): Same.
4238         (graphite_rename_variables): Renamed rename_variables.
4239         (move_phi_nodes): Removed.
4240         (get_false_edge_from_guard_bb): New.
4241         (build_iv_mapping): Do not insert the induction variable of a
4242         loop in the renaming iv map if the basic block does not belong
4243         to that loop.
4244         (register_old_new_names, graphite_copy_stmts_from_block,
4245         copy_bb_and_scalar_dependences): New.
4246         (translate_clast): Heavily reimplemented: copy basic blocks,
4247         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4248         At each translation step call graphite_verify ensuring the
4249         consistency of the SSA, loops and dominators information.
4250         (collect_virtual_phis, find_vdef_for_var_in_bb,
4251         find_vdef_for_var_1, find_vdef_for_var,
4252         patch_phis_for_virtual_defs): Removed huge hack.
4253         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4254         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4255         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4256         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4257         if_region_get_condition_block, if_region_set_false_region,
4258         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4259         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4260         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4261         rewrite_into_sese_closed_ssa): New.
4262         (gloog): Remove dead code.  Early return if code cannot be
4263         generated.  Call cleanup_tree_cfg once the scop has been code
4264         generated.
4265         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4266         block loops with less than two loops.
4267         (graphite_apply_transformations): Remove the call to
4268         scop_remove_ignoreable_gbbs.
4269         (limit_scops): When build_scop_loop_nests fails, continue on
4270         the next scop.  Fix open_scop.entry.
4271         (graphite_transform_loops): Call recompute_all_dominators: force the
4272         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4273         Call initialize_original_copy_tables and free_original_copy_tables
4274         to be able to copy basic blocks during code generation.
4275         When build_scop_loop_nests fails, continue on next scop.
4276         (value_clast): New union.
4277         (clast_to_gcc_expression): Fix type cast warning.
4278
4279 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * Merge from mainline (r140838:141727).
4282
4283 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4284
4285         PR middle-end/37833
4286
4287         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4288
4289 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4290
4291         PR middle-end/37943
4292
4293         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4294         exits and conditions.
4295         * testsuite/gcc.dg/graphite/pr37943.c: New.
4296
4297 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4298
4299         PR middle-end/37886
4300         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4301
4302 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4303
4304         * doc/invoke.texi: Fix spaces.
4305
4306 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4307
4308         PR tree-optimization/37891
4309         Reverted last commit.
4310         * graphite.c (create_single_entry_edge): Set
4311         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4312
4313 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4314             Mitul Thakkar  <mitul.thakkar@amd.com>
4315
4316         * graphite.c (create_single_entry_edge): Set
4317         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4318
4319 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4320
4321         * doc/invoke.texi: Add -fgraphite-identity.
4322         * graphite.c (graphite_apply_transformations): Check for
4323         -fgraphite-identity.
4324         * toplev.c (process_options): Add flag_graphite_identity.
4325         * tree-ssa-loop.c: Add flag_graphite_identity.
4326
4327 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4328
4329         Undo changes from 2008-10-02:
4330         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4331         operand type when copying the operand to a variable of different type.
4332         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4333         with the IV name after increment.
4334
4335 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4336             Harsha Jagasia  <harsha.jagasia@amd.com>
4337
4338         PR tree-optimization/37828
4339         * testsuite/gcc.dg/graphite/pr37828.c: New.
4340         * graphite.c (graphite_trans_loop_block): Do not loop block
4341         single nested loops.
4342
4343 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4344             Sebastian Pop  <sebastian.pop@amd.com>
4345
4346         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4347         rename_map_elt_info, eq_rename_map_elts): New.
4348         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4349         (expand_scalar_variables_expr): Change parameters.
4350         (expand_scalar_variables_stmt): Same.
4351         (expand_scalar_variables): Same.
4352         (graphite_rename_ivs): Rename graphite_rename_variables.
4353         (build_iv_mapping): New.
4354         (translate_clast): Call build_iv_mapping.
4355         * graphite.h (gbb_p): New name.
4356
4357 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4358
4359         PR tree-optimization/37684
4360         * gcc.dg/graphite/pr37684.c: New.
4361         * graphite.c (exclude_component_ref): New.
4362         (is_simple_operand): Call exclude_component_ref.
4363
4364 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4365             Harsha Jagasia  <harsha.jagasia@amd.com>
4366
4367         PR tree-optimization/37485
4368         * gcc.dg/graphite/block-2.c: New
4369         * graphite.c (gmp_cst_to_tree): Moved.
4370         (iv_stack_entry_is_constant): New.
4371         (iv_stack_entry_is_iv): New.
4372         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4373         (loop_iv_stack_insert_constant): New.
4374         (loop_iv_stack_pop): Use new datatpype.
4375         (loop_iv_stack_get_iv): Same.
4376         (loop_iv_stack_get_iv_from_name): Same.
4377         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4378         (loop_iv_stack_patch_for_consts): New.
4379         (loop_iv_stack_remove_constants): New.
4380         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4381         (translate_clast): Call loop_iv_stack_patch_for_consts and
4382         loop_iv_stack_remove_constants.
4383         (gloog): Use new datatype.  Redirect construction edge to end
4384         block to avoid accidental deletion.
4385         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4386         iv stack entry.
4387         (union iv_stack_entry_data): New.  Data in iv stack entry.
4388         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4389
4390 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4393         operand type when copying the operand to a variable of different type.
4394
4395 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4396
4397         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4398         with the IV name after increment.
4399
4400 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * Merge from mainline (r140164:140838).
4403
4404 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4405
4406         * graphite-data-ref.c: New.
4407         * graphite.c (print_scop): Also dump the dependence graph.
4408         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4409         (new_scop): Initialize SCOP_DEP_GRAPH.
4410         (build_scop_dynamic_schedules): New.
4411         (build_access_matrix_with_af): Fixed column numbering.
4412         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4413         * graphite.h: Add ifndef/define guards against multiple inclusion.
4414         (struct scop): Add dep_graph field.
4415         (SCOP_DEP_GRAPH): Defined.
4416         (ref_nb_loops): Fixed and moved to other position.
4417         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4418         (nb_loops_around_loop_in_scop): New.
4419         (graphite_dump_dependence_graph): Declared.
4420         (graphite_build_rdg_all_levels): Declared.
4421         (graphite_test_dependence): Declared.
4422         * Makefile.in (graphite-data-ref.o): New target.
4423
4424 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4425
4426         * Merge from mainline (139870:140164).
4427
4428 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4429
4430         * Merge from mainline (138275:139870).
4431         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4432         the commits from trunk broke the niter detection.
4433
4434 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4435
4436         * graphite.c: Add more documentation.  Fix formatting.
4437         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4438         loop_iv_stack_debug): Moved...
4439         (schedule_to_scattering): Move before use.
4440         (dot_all_scops): Include in "#if 0" the code for system
4441         call dotty.
4442
4443         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4444         loop_iv_stack_debug): ...here.
4445
4446 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4447
4448         * tree-phinodes.c (make_phi_node): Extern.
4449         (add_phi_node_to_bb): New.
4450         (create_phi_node): Call add_phi_node_to_bb.
4451         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4452         (remove_statement): Handle case where stored phi was updated
4453         and is no longer the same.
4454         * graphite.c (is_parameter): New.
4455         (is_old_iv): New.
4456         (expand_scalar_variables_expr): New.
4457         (expand_scalar_variables_stmt): New.
4458         (expand_scalar_variables): New.
4459         (move_phi_nodes): Create new phi instead of moving old one.
4460         (translate_clast): Call expand_scalar_variables.
4461         (find_vdef_for_var_in_bb): Also scan regular definitions.
4462         (skip_phi_defs): New.
4463         (collect_scop_exit_phi_args): New.
4464         (patch_scop_exit_phi_args): New.
4465         (gloog): Patch phis after scop.
4466         * tree-flow.h: (add_phi_node_to_bb): Declared.
4467         (make_phi_node): Declared.
4468
4469 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4470
4471         * graphite.c (end_scop): Split the entry of the scop when it
4472         is the header of the loop in which the scop is ending.
4473         (build_scops_1, limit_scops): Update uses of end_scop.
4474
4475 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4478         SCOP_ENTRY or SCOP_EXIT.
4479
4480 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4481
4482         * graphite.c (get_construction_edge): Removed.
4483         (gloog): Construction edge is the scop entry edge.
4484
4485 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4486
4487         * graphite.c (can_generate_for_scop): Removed.
4488         (gloog): Do not call it.
4489
4490 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4491
4492         * graphite.c (new_scop): Entry of a scop is an edge.
4493         Initialize SESE region.
4494         (free_scop): Free SESE region.
4495         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4496         (split_difficult_bb): New, split from end_scop.
4497         (end_scop): Exit of a scop is an edge.
4498         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4499         not automatically updated and thus is always wrong.
4500         * graphite.h (struct sese): New.
4501         (SESE_ENTRY): New.
4502         (SESE_EXIT): New.
4503         (struct scop): New field for a SESE region.  Remove entry, exit.
4504         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4505         semantics as before.  Moved comment around.
4506
4507 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4508             Sebastian Pop  <sebastian.pop@amd.com>
4509
4510         * graphite.c (graphite_transform_loops): Always enable gloog
4511         and find_transform when ENABLE_CHECKING.
4512
4513 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4514
4515         * graphite.c (graphite_transform_loops): Move pretty printer
4516         of SCOPs before doing any transform.  Remove call to print_scops
4517         and dot_all_scops_1.
4518
4519 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4520
4521         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4522         (print_graphite_bb): Same.
4523
4524 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4525
4526         * graphite.c (dot_all_scops_1): Cleanup.
4527         (move_scops): Fix comment.
4528
4529 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4530
4531         * graphite.c (build_scop_bbs): Revert commit 139355:
4532
4533         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4534                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4535
4536                 * graphite.c (build_scop_bbs): Factor up code.
4537
4538 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4539
4540         * graphite.c (gloog): Update dominator info.
4541
4542 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4543
4544         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4545
4546 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4547
4548         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4549         initialization.
4550         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4551         (translate_clast): Correct formatting.
4552         * graphite.h (struct num_map): Removed.
4553         (struct graphite_bb): Remove num_map field.
4554         (GBB_INDEX_TO_NUM_MAP): Removed.
4555
4556 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4557
4558         * graphite.c (build_access_matrix_with_af): Fix comments.
4559         (build_scop_data_accesses): Same.
4560
4561 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4562
4563         * graphite.c (build_scop_data_accesses): Don't construct
4564         access matrices.  Add a FIXME and an assert condition that
4565         should pass when the access matrices will be needed.
4566
4567 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4570         really_constant_p.
4571         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4572         Moved close by free_graphite_bb.
4573         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4574         (new_scop): Move close by free_scop.
4575         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4576
4577 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4578
4579         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4580         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4581         instead of recursive call.
4582         (graphite_translate_clast_equation): New.
4583         (graphite_create_guard_cond_expr): New.
4584         (graphite_create_new_guard): New.
4585         (get_stack_index_from_iv): Removed.
4586         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4587         (get_true_edge_from_guard_bb): New.
4588         (translate_clast): Handle stmt_guard in clast.
4589         (get_construction_edge): Allow construction edge detection for
4590         a scope entry with multiple predecessors if one predecessor is
4591         the immediate dominator of scope entry.
4592         (can_generate_code_stmt): Enable code generation for clast_guard.
4593         (gloog): Use correct context loop.  Removed check for post dominators.
4594         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4595
4596 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4597
4598         * graphite.c (remove_dead_loops): Document better which
4599         loops are removed.
4600
4601 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4604         and PPLINC.
4605         (graphite.o): Also depends on pointer-set.h.
4606
4607 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4608
4609         * graphite.c (scop_record_loop): Fix compile warning.
4610
4611 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4612             Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4615
4616 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4617
4618         * graphite.c (build_graphite_bb): Initialize bb->aux to
4619         point to the graphite_bb_p.
4620         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4621         content of bb->aux.
4622         (add_bb_domains): Does not use the scop parameter.
4623         (graphite_transform_loops): Clean bb->aux at the end.
4624
4625 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4626             Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * testsuite/lib/target-supports.exp
4629         (check_effective_target_fgraphite): New.
4630
4631         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4632         check_effective_target_fgraphite returns false.
4633         Set dg-do-what-default to compile.
4634         (scan-graphite-dump-times): Removed.
4635         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4636
4637         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4638         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4639         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4640         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4641         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4642         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4643         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4644         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4645         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4646         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4647         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4648         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4649         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4650         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4651         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4652         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4653         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4654         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4655         * testsuite/gcc.dg/graphite/block-0.c: Same.
4656         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4657         * testsuite/gcc.dg/graphite/block-1.c: Same.
4658         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4659         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4660         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4661         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4662         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4663
4664 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4665
4666         * graphite.c: Fix some XXX comments.
4667         (build_scop_dynamic_schedules): Removed.
4668
4669 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4670
4671         * graphite.h (scop_max_loop_depth): Moved...
4672         * graphite.c (scop_max_loop_depth): ...here.
4673         (remove_all_edges_1): New.
4674         (remove_all_edges): Factored code.
4675         (remove_cond_exprs): Check only the last statement for
4676         a GIMPLE_COND expression.
4677
4678 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4679
4680         * graphite.c (scan_tree_for_params): Early return when the
4681         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4682         (find_scop_parameters): Factor out code.
4683         (graphite_trans_bb_strip_mine): Remove dead code.
4684
4685 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4686
4687         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4688         graphite_trans_bb_move_loop): Factor asserts.
4689         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4690         Do not call calculate_dominance_info and estimate_bb_frequencies.
4691
4692 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4693
4694         * graphite.c (create_loops_mapping, free_loops_mapping,
4695         create_loops_mapping_num, debug_loop_mapping_1,
4696         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4697         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4698         graphite_loops_mapping_add_child_num,
4699         graphite_loops_mapping_insert_child,
4700         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4701         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4702         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4703         create_num_from_index, get_num_from_index,
4704         swap_loop_mapped_depth): Removed.
4705         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4706         (free_scop): Do not call free_loops_mapping.
4707         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4708         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4709         get_loop_mapped_depth.
4710         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4711         (graphite_trans_bb_strip_mine): Same.
4712         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4713         (struct scop): Remove field loops_mapping.
4714
4715 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4716             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4717
4718         * graphite.c (scop_record_loop): Factor out one level of the
4719         condition by early return.
4720         (build_scop_loop_nests): Format following FSF coding style.
4721         (build_scop_dynamic_schedules): Factor out code.
4722         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4723
4724 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4725             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4726
4727         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4728         assignments that are not handled as simple operands for now.
4729
4730 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4731             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4732
4733         * graphite.c (build_scop_bbs): Factor up code.
4734
4735 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4736             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4737
4738         * graphite.c (stmt_simple_for_scop_p): Factor code out
4739         of the loop.
4740         (enum gbb_type): New.  Group all the GBB_* types under it.
4741         (is_loop_exit): Moved...
4742         (end_scop): Enable BB spliting.
4743         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4744         * cfgloop.h (is_loop_exit): Declared.
4745
4746 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4747
4748         * doc/invoke.texi: Remove strides from examples containing
4749         DO loops when the strides are equal to 1.
4750
4751 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4752             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4753
4754         * graphite.c (graphite_trans_scop_block): Or the result with
4755         the result from graphite_trans_loop_block.
4756         * testsuite/gcc.dg/graphite/block-1.c: New.
4757         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4758         * testsuite/gfortran.dg/graphite/block-2.f: New.
4759
4760 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4761
4762         * graphite.c (graphite_transform_loops): Call cloog_initialize
4763         and cloog_finalize.
4764
4765 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4766
4767         * tree-data-ref.c) (stmt_simple_memref_p): New.
4768         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4769         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4770         (is_simple_operand): Call stmt_simple_memref_p.
4771
4772         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4773         using pointer arithmetic, as this is optimized by PRE and
4774         makes the code too difficult to analyze.
4775
4776         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4777
4778 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4779
4780         * gdbinit.in (pgg): New.
4781
4782 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4783
4784         * graphite.c (graphite_trans_loop_block): Fix warning.
4785
4786 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4787
4788         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4789
4790 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4791
4792         * graphite.c (graphite_trans_bb_block): Remove check for
4793         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4794         Check if loop blocking is profitable for every loop, before applying
4795         the changes.
4796         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4797         if flag_loop_block is set.
4798
4799 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite.c: Add some more documentation for the loop
4802         mapping.
4803
4804 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4805
4806         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4807         * graphite.c: Format on less than 80 columns.
4808         * graphite.h: Same.
4809
4810 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4811
4812         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4813
4814 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4815
4816         * doc/invoke.texi (floop-block, floop-strip-mine,
4817         floop-interchange): Update documentation with examples.
4818
4819 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4820
4821         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4822         add_referenced_var.
4823         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4824
4825 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4828         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4829         * tree-scalar-evolution.c: Revert useless changes.
4830         * tree-phinodes.c: Same.
4831         * cfghooks.c: Same.
4832         * vec.h: Same.
4833         * tree-vectorizer.h: Same.
4834         * tree-flow.h: Same.
4835         * tree-cfg.c: Same.
4836         * common.opt (fgraphite): Update documentation.
4837
4838 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4839
4840         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4841         -floop-interchange): Add more text for explaining what each of these
4842         flags is doing.
4843         * tree-into-ssa.c (gimple_vec): Moved to...
4844         * graphite.c: Include gimple.h.
4845         (gimple_vec): Moved to...
4846         (del_loop_to_cloog_loop): Removed.
4847         (loop_affine_expr): Do not call create_data_ref when the
4848         operand is a constant.
4849         (new_scop): Use free instead of del_loop_to_cloog_loop.
4850         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4851         * gimple.h (gimple_vec): ... here.
4852
4853 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4854
4855         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4856         latch executions.
4857         (build_loop_iteration_domains): Fail, if latch executions unknown.
4858
4859 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4860
4861         * graphite.c (add_conditions_to_domain): New.
4862         (build_scop_conditions_1): Call add_conditions_to_domain.
4863         (set_cloog_options): Allow to disable optimizations.
4864
4865 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4866
4867         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4868         Do not use walk_dominator_tree.
4869         (find_scop_parameters): Do not use walk_dominator_tree.
4870
4871 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4872
4873         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4874         (idx_record_params): Adapt.
4875         * graphite.h (scop_gimple_loop_depth): New.
4876
4877 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4878
4879         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4880         (scan_tree_for_params): Remove value_init.
4881         (build_scop_context): Remove value_init.
4882         (build_loop_iteration_domains): Remove value_init.
4883         (schedule_to_scattering): Remove value_init.
4884         (graphite_trans_bb_strip_mine): Remove value_init.
4885
4886 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4887
4888         * gcc/graphite.c (limit_scops): New.
4889         (graphite_transform_loops): Add limit SCoPs.
4890         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4891         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4892         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4893         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4894         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4895         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4896         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4897         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4898         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4899         Change loop numbers.
4900         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4901         Change loop numbers.
4902         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4903         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4904         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4905         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4906         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4907         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4908         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4909         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4910         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4911         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4912
4913 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4914
4915         * graphite.c (graphite_transform_loops): Call always find_transform.
4916
4917 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4918
4919         * graphite.c (free_loops_mapping): New.
4920         (stmt_simple_for_scop_p): Fix typo.
4921         (stmt_simple_for_scop_p): Fix tuples functions, that
4922         broke polyhedron.
4923         (free_graphite_bb): Fix some memleaks.
4924         (free_scop): Fix some memleaks.
4925         (scopdet_bb_info): Do not forget some tmp SCoPs.
4926         (find_params_in_bb): Fix some memleaks.
4927         (clast_to_gcc_expression): Fix warning.
4928
4929 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4930
4931         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4932         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4933
4934 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4935
4936         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4937         Move code ifdef-ed HAVE_cloog...
4938         * graphite.c: Include toplev.h.
4939         ... here.
4940         * Makefile.in (OBJS-common): Always build graphite.o.
4941         (BACKEND): Remove @GRAPHITE@.
4942         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4943         (graphite.o): Depend on TOPLEV_H.
4944
4945 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4948         Remove typo left from polylib to ppl conversion.
4949         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4950
4951 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4952
4953         * toplev.c (process_options): Move the graphite loop optimization
4954         flags...
4955         * tree-ssa-loop.c (graphite_transforms): ... here.
4956         When not configured with CLooG, print to dump_file that
4957         Graphite transforms were not performed.
4958         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4959         New.
4960         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4961         scan-graphite-dump-times.
4962
4963 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4964
4965         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4966         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4967
4968 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4969             Jan Sjodin  <jan.sjodin@amd.com>
4970
4971         * configure: Regenerated.
4972         * omp-low.c (expand_omp_sections): Remove now unused code.
4973         * config.in (HAVE_polylib): Removed.
4974         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4975         (PPLLIBS, PPLINC): Added.
4976         * graphite.c: Replace unsigned with int wherever possible.
4977         Don't access Cloog's data structures, but use accessor functions.
4978         Clast's stmt->type is now implemented as a vtable: change the
4979         switches of stmt->type into ifs.
4980         (polylib/polylibgmp.h): Don't include.
4981         (initialize_dependence_polyhedron,
4982         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4983         statement_precedes_p, test_dependence, build_rdg_all_levels,
4984         dump_dependence_graph): Removed until this code is cleaned up
4985         or ported to Cloog.
4986         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4987         (POLYLIBINC): Renamed PPLINC.
4988
4989 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4990             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4991             Jan Sjodin  <jan.sjodin@amd.com>
4992
4993         Finish the merge and tuplification of graphite.
4994
4995 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4996             Jan Sjodin  <jan.sjodin@amd.com>
4997
4998         Partial merge from mainline (138072:138275).
4999         * graphite.c still has to be tuplified.
5000
5001 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5002
5003         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5004         (create_num_from_index): New.
5005         (get_num_from_index): Also pass in the graphite BB.
5006         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5007         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5008         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5009         (is_interchange_valid): Return false when failing.
5010         * graphite.h (struct num_map): New.
5011         (struct graphite_bb): New field num_map.
5012         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5013
5014 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         * graphite.c (dump_gbb_conditions): Print also conditions like
5017         "if (a)".  Remove dublicated code and use print_generic_expr ().
5018         (stmt_simple_for_scop_p): Only allow conditions we can handle
5019         {<, <=, >, >=}.
5020
5021 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5022
5023         * graphite.h (struct scop): Removed new_ivs field.
5024         (SCOP_NEWIVS): Deleted.
5025         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5026         clast_to_gcc_expression, graphite_create_new_loop):
5027         Removed use of new_ivs.
5028
5029 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5030
5031         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5032         create_loops_mapping_num, debug_loop_mapping_1): New.
5033         (debug_loop_mapping): Call debug_loop_mapping_1.
5034         (get_loop_mapping_for_num,
5035         graphite_loops_mapping_add_child,
5036         graphite_loops_mapping_add_child_num,
5037         graphite_loops_mapping_insert_child,
5038         graphite_loops_mapping_parent,
5039         split_loop_mapped_depth_for_num,
5040         loop_mapped_depth_split_loop): New.
5041         (increment_loop_mapped_depths): Removed.
5042         (swap_loop_mapped_depth_for_num): Reimplemented.
5043         (new_scop): Call create_loops_mapping.
5044         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5045         (translate_clast): Pass the old loop father in parameter, and pass
5046         it to get_old_iv_from_ssa_name.
5047         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5048         can_generate_code, can_generate_for_scop): New.
5049         (graphite_trans_bb_block): Returns false when it fails to transform.
5050         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5051
5052 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5053
5054         Reverted all the changes related to the streamization and
5055         loop fusion.
5056         These changes are now tracked in the streamization branch.
5057
5058 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5059             Jan Sjodin  <jan.sjodin@amd.com>
5060
5061         * graphite.c (gbb_compare): Correctly constify.
5062         (gbb_can_be_ignored): Indent.
5063         (graphite_trans_scop_swap_1and2): Add legality check.
5064         Remove dead FIXMEs.
5065
5066 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5067
5068         Remove fallouts from "Reverted the Condate changes".
5069         * tree.h: Remove unused decl.
5070         * testsuite/gcc.dg/tree-checker: Same.
5071         * timevar.def: Remove counter.
5072
5073 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5074
5075         * Merge from mainline (135673:138072).
5076
5077         Reverted the MIRO changes (from 2008-04-05) that are now
5078         tracked in the miro branch.
5079         * tree-bounds.c: Removed.
5080         * tree-bounds.h: Removed.
5081
5082         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5083         are now tracked in the condate branch.
5084         * tree-check.c: Removed.
5085         * tree-match.c: Removed.
5086         * condate.y: Removed.
5087
5088 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5089
5090         * common.opt: New user flag -floop-block, -floop-strip-mine
5091         and -floop-interchange.
5092         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5093         graphite loop optimization flags is turned on.
5094         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5095         flag_loop_strip_mine and flag_loop_interchange checks before
5096         optimizations.
5097         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5098         -floop-strip-mine and -floop-interchange.
5099         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5100         -fgraphite.
5101         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5102         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5103         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5104
5105 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5106             Sebastian Pop  <sebastian.pop@amd.com>
5107
5108         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5109         (create_empty_loop_on_edge): More fixes.
5110         * tree-phinodes.c (resize_phi_node): Extern.
5111         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5112         * cfghooks.c (update_dominator_information): New split from
5113         split_edge.
5114         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5115         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5116         successor of the function entry block.
5117
5118         * graphite.c: Include pointer-set.h.
5119         (debug_loop_mapping, increment_loop_mapped_depths,
5120         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5121         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5122         swap_loop_mapped_depth_for_num, get_num_from_index,
5123         swap_loop_mapped_depth, loop_iv_stack_debug,
5124         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5125         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5126         get_old_iv_from_ssa_name): New.
5127         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5128         (free_scop): Free SCOP_LOOPS_MAPPING.
5129         (scop_record_loop): Record old ivs.
5130         (create_var_name): Removed.
5131         (initialize_cloog_names): Allocate double space in case strip mine
5132         applies to all loops once.
5133         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5134         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5135         translation.
5136         (graphite_create_new_loop): Pass in ivstack.
5137         (remove_all_edges): Pass in the construction_edge.
5138         (graphite_remove_iv): Removed.
5139         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5140         remove_cond_exprs): Rewritten.
5141         (move_phi_nodes): New.
5142         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5143         (translate_clast): Pass in ivstack.  Rewrite some cases.
5144         (set_cloog_options, debug_clast_stmt): New.
5145         (find_transform): Use set_cloog_options.
5146         (outermost_loop_layer): Removed.
5147         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5148         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5149         mark_old_loops, remove_dead_loops): New.
5150         (gloog): Rewritten.
5151         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5152         (const_column_index, get_first_matching_sign_row_index,
5153         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5154         get_upper_bound): New.
5155         (graphite_trans_bb_strip_mine): Also update the iv map.
5156
5157         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5158         (struct name_tree): Add a loop field.
5159         (struct scop): Add a graphite_loops_mapping field.
5160         (SCOP_LOOPS_MAPPING): New.
5161         (debug_clast_stmt): Declare.
5162         * lambda.h (find_induction_var_from_exit_cond): Declare.
5163         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5164         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5165         (create_empty_loop_on_edge): Updated.
5166         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5167         rename_variables_in_bb): Declare.
5168         * tree-cfg.c (remove_bb): Extern.
5169
5170         * testsuite/gcc.dg/graphite/block-0.c: New.
5171
5172 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5173             Sebastian Pop  <sebastian.pop@amd.com>
5174
5175         * graphite.c (strip_mine_profitable_p): New.
5176         (graphite_trans_bb_block): Disable strip mining if not profitable.
5177
5178         * testsuite/gcc.dg/graphite/scop-18.c: New.
5179         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5180         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5181
5182 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5183             Jan Sjodin  <jan.sjodin@amd.com>
5184             Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * graphite.c (is_interchange_valid): New.
5187         (graphite_trans_bb_block): Check loop nest of basic block for legality
5188         of interchange.
5189
5190         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5191         outer_most_loop, gbb_outer_most_loop_index): New.
5192
5193         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5194         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5195         * testsuite/gcc.dg/graphite/scop-16.c: New.
5196         * testsuite/gcc.dg/graphite/scop-17.c: New.
5197
5198 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5199
5200         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5201         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5202
5203 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5204
5205         * graphite.c (new_scop): Initialize SCOP_EXIT.
5206         (scopdet_info): Add.
5207         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5208         (build_scops_1): Cleanup, bugfixes.
5209         (build_scops): Cleanup.
5210
5211         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5212         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5213
5214 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5215
5216         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5217
5218         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5219         DEFAULT_GRAPHITE_FLAGS.
5220
5221         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5222
5223 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5224
5225         * graphite.c (scan_tree_for_params): Do not assert any more if
5226         MULT_EXPR parameter is negative.
5227
5228         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5229
5230         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5231
5232         * testsuite/gcc.dg/graphite/scop-15.c: New.
5233
5234 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5235
5236         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5237
5238 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5239
5240         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5241         graphite_swap_loops.
5242         (graphite_trans_bb_move_loop): New.
5243         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5244         (graphite_trans_bb_block): New.
5245         (graphite_trans_loop_block): New.
5246         (graphite_trans_scop_swap_1and2): Rename from
5247         graphite_trans_swap_1and2.
5248         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5249         (graphite_trans_scop_block): New.
5250         (graphite_apply_transformations): Rename from
5251         graphite_transformations.
5252
5253         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5254
5255 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5256
5257         * graphite.c (gbb_compare): New.
5258         (graphite_sort_gbbs): New.
5259         (gbb_can_be_ignored): New.
5260         (scop_remove_ignoreable_gbbs): New.
5261         (graphite_transformations): Cleanup and add
5262         scop_remove_ignoreable_gbbs.
5263         * lambda.h (lambda_vector_compare): New.
5264
5265 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5266
5267         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5268         (graphite_swap_loops): int -> unsigned
5269         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5270         (graphite_transformations): New.
5271         (graphite_transform_loops): Move to graphite_transformations.
5272         * graphite.h (gbb_nb_loops): Return unsigned.
5273
5274 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5275
5276         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5277         the domain matrix.  This makes scop-0.c work again.
5278
5279 2008-06-20  Richard Guenther  <rguenther@suse.de>
5280
5281         * graphite.h: Adjust copyright to GPLv3.
5282         * graphite.c: Likewise.
5283         (stmt_simple_memref_for_scop_p): Split out from ...
5284         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5285         and simplify.
5286         (get_bb_type): Optimize.
5287         (is_pred): Remove.
5288         (is_bb_addable): Fix memleak, replace is_pred call with
5289         single_pred.
5290         (build_scops): Use current_loops.
5291         (param_index): Fix memleak.
5292
5293 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5294
5295         * graphite.c: Fix formatting.
5296
5297 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5298
5299         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5300         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5301         (create_var_name, save_var_name): Newly defined functions.
5302         (initialize_cloog_names): Part of the code factored out to
5303         save_var_name.
5304         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5305         in clast_reduction statement.
5306         (graphite_create_new_loop): Now takes a new parameter
5307         for outer_loop.
5308         (translate_clast): Now also takes the context_loop and bb_exit
5309         parameters. Rewritten the code so that it creates a gimple code
5310         inside the given context.
5311         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5312         remove_cond_expr, disconnect_cond_expr,
5313         disconnect_virtual_phi_nodes): Newly defined functions.
5314         * graphite.h (struct scop): added old_ivs vector.
5315         SCOP_OLDIVS: New macro.
5316
5317 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         * cfgloopmanip.c: Add missing function comments, fix formatting.
5320
5321 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5322
5323         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5324         (create_empty_loop_on_edge): Defined.
5325         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5326         instead of void.
5327         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5328         (update_dominators_in_loop): Declared as extern
5329         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5330
5331 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5332
5333         * graphite.c (print_graphite_bb): Allow changing number of loops
5334         in SCoP domain.
5335         (initialize_cloog_names): Allow changing number of loops.
5336         (build_cloog_prog): Simplify.
5337         (find_transform): Enable cloog option --strides.
5338         (graphite_swap_loops): New.
5339         (graphite_strip_mine_loop): New.
5340         (graphite_trans_swap_1and2): New.
5341         (graphite_trans_strip): New.
5342         (graphite_transform_loops): Add graphite_trans_strip.
5343         * graphite.h (scop_max_loop_depth): New.
5344
5345 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5346
5347         * graphite.c (build_scop_iteration_domain): Remove forgotten
5348         line. (Fixes compile)
5349
5350 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5351
5352         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5353         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5354         (build_bb_loops): New.
5355         (graphite_transform_loops): Add build_bb_loops.
5356         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5357         numbers.
5358         * graphite.h (graphite_bb): Add loops.
5359         (gbb_nb_loops): New.
5360         (gbb_loop_at_index): New.
5361         (gbb_loop_index): New.
5362         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5363         using nb_params_in_scop.
5364
5365 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5366
5367         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5368         (build_scop_canonical_schedules): Build minimized schedule.
5369         (schedule_to_scattering): Adapt to minimized schedule.
5370         * graphite.h (graphite_bb): Add/Update descriptions.
5371
5372 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5373             Tobias Grosser  <grosser@fim.uni-passau.de>
5374
5375         * graphite.c (print_graphite_bb): Add condition printing.
5376         (dump_value): New.
5377         (dump_gbb_conditions): New.
5378         (build_scop_conditions_1): New.
5379         (build_scop_conditions): New.
5380         * graphite.h (graphite_bb): Add conditions.
5381
5382 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5383
5384         * graphite.c (print_graphite_bb):
5385         (free_graphite_bb): New.
5386         (free_scop): Free bbs.
5387         (get_bb_type): Free doms.
5388         (build_scop_context): Free context matrix.
5389         (build_loop_iteration_domains): Remove unused code.
5390         (build_cloog_prog): Free scattering function and blocklist.
5391         (find_transform): Free options.
5392
5393 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5394
5395         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5396         Remove unnecessery cloog data structures. Make a copy of the domain
5397         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5398         unnecessary cloog data structures. Fix memory leaks. Remove insert
5399         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5400         used.
5401         (build_scop_iteration_domain): Remove unnecessary cloog
5402         data structures.  Fix memory leaks.
5403         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5404         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5405
5406 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5407
5408         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5409
5410 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5411
5412         * graphite.c (end_scop): Style fix.
5413         (schedule_to_scattering): Style and comment fix.
5414
5415 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5416         * graphite.c (print_graphite_bb): Fix definiton of
5417         schedule_to_scattering.
5418         (initialize_cloog_names): Change nb_scattdims to max loop
5419         depth in SCoP.
5420         (schedule_to_scattering): Take parameter for number of scattering
5421         dimensions.
5422         (build_cloog_prog): Only build as much scattering dimensions as
5423         necessary.
5424
5425 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5426
5427         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5428         in polyhedron/aermod.f90.
5429
5430 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5431             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5432             Harsha Jagasia  <harsha.jagasia@amd.com>
5433
5434         * graphite.c (is_bb_addable): Fix segfault.
5435
5436 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5437
5438         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5439         with multiple exits and conditional handling in edge cases.
5440         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5441
5442         * testsuite/gcc.dg/graphite/scop-14.c: New.
5443
5444 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5445             Adrien Eliche  <aeliche@isty.uvsq.fr>
5446
5447         * graphite.c (is_bb_addable): Add more comments and enhance
5448         readablity of the source code. Fix memory leak.
5449         (is_loop_exit): Fix memory leak.
5450
5451 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5452
5453         * graphite.c (first_loop_in_scop): Deleted.
5454         (setup_cloog_loop): Only walk the loop chain for inner loops.
5455         (build_scop_iteration_domain): Execute setup_cloog_loop for
5456         all loops in the first layer.
5457
5458 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5459
5460         * graphite.c (scan_tree_for_params): Change the way params are
5461         added to be indepenent of the number of loops.
5462         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5463         handling.
5464         (build_cloog_prog): Revert to short matrix format.
5465
5466 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5467             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5468
5469         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5470         warning.
5471
5472 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5473
5474         * graphite.c (nb_data_refs_in_scop): New.
5475         (graphite_transform_loops): Print more stats: number of
5476         loops, basic blocks and data references per scop.
5477
5478 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5479             Jan Sjodin  <jan.sjodin@amd.com>
5480
5481         * graphite.c (loop_affine_expr, idx_record_params,
5482         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5483         instead of instantiate_parameters.
5484
5485 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5486
5487         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5488         add support for parameters, add STATIC_SCHEDULE at the right places,
5489         cleanup.
5490
5491 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5492
5493         * graphite.c (build_scop_loop_nests): Only add the loops, that
5494         are contained completely in the SCoP.
5495         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5496         and the domains are fixed.
5497         (build_scop_canonical_schedules): Add support for bbs not contained
5498         in any SCoP.
5499
5500 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5501
5502         * graphite.h (scop_contains_loop): Update comments to match
5503         the actual behavior.
5504         (scop_contains_loop): New.
5505         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5506
5507 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5508
5509         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5510         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5511         as GBB_COND_HEADER.
5512
5513 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5514             Tobias Grosser  <grosser@fim.uni-passau.de>
5515
5516         * graphite.c (graphite_transform_loops): Early return when
5517         there are no loops in the function.
5518
5519 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5520             Jan Sjodin  <jan.sjodin@amd.com>
5521
5522         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5523         offset of the last loop.
5524         (setup_cloog_loop): Copy the entire outer constraint matrix.
5525
5526 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5527             Jan Sjodin  <jan.sjodin@amd.com>
5528
5529         * graphite.c (stmt_in_scop_p, function_parameter_p,
5530         invariant_in_scop_p): Removed.
5531         (scan_tree_for_params): Can be used with no constraint
5532         matrix for gathering parameters.
5533         (idx_record_params): Don't use idx_record_param, instead use
5534         scan_tree_for_params.
5535         (find_scop_parameters): Same.
5536         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5537         Fix the size of loop domains.
5538         (schedule_to_scattering): Exit when the outer loop is not in scop.
5539         (find_transform): Enable build_cloog_prog.
5540
5541 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5542             Jan Sjodin  <jan.sjodin@amd.com>
5543
5544         * graphite.c (schedule_to_scattering): Make scattering domains
5545         uniformly of the same size, as required by CLooG 0.14.0 and before.
5546
5547 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5548             Jan Sjodin  <jan.sjodin@amd.com>
5549
5550         * graphite.c (schedule_to_scattering): Rewrite, correct the
5551         translation of the scheduling function to scattering.
5552         (build_cloog_prog): Call schedule_to_scattering only once.
5553         * graphite.h (scop_loop_index): Do not fail for loops not
5554         in the scop: return -1.
5555
5556 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5557
5558         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5559         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5560         (setup_cloog_loop): Export GBB_DOMAIN.
5561         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5562         able to rebuild the original control flow.
5563         * graphite.h (graphite_bb): Add domain field and access macro.
5564         (GBB_DOMAIN): New.
5565
5566 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5567
5568         * graphite.c (debug_gbb): New.
5569         (print_scop, build_graphite_bb): Use SCOP_BBS.
5570         (build_scop_bbs): Reimplemented.
5571         (dfs_bb_in_scop_p): Removed.
5572         (build_scop_loop_nests): Reorder loops inserted in
5573         SCOP_LOOP_NEST: outer loops should come first.
5574         (build_scop_canonical_schedules): Reinitialize at zero
5575         the components of the SCOP_STATIC_SCHEDULE for the loops
5576         that have already been parsed.
5577
5578         * graphite.h (debug_gbb): Declared.
5579
5580 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5581             Jan Sjodin  <jan.sjodin@amd.com>
5582
5583         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5584         (graphite_loop_to_gcc_loop): Removed.
5585         (remove_all_edges): New.
5586         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5587         (gloog): Remove useless code.
5588
5589 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5590
5591         * graphite.c (get_bb_type): Reworked. We distinguish between
5592         loops with one or multiple exits.
5593         (is_loop_exit): New.
5594         (is_pred): New.
5595         (is_bb_addable): Rework condition handling, now support for case
5596         case statements and loops with multiple exits.
5597
5598         * testsuite/gcc.dg/graphite/scop-11.c: New.
5599         * testsuite/gcc.dg/graphite/scop-12.c: New.
5600         * testsuite/gcc.dg/graphite/scop-13.c: New.
5601
5602 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5603
5604         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5605         we have too many colors.
5606
5607 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5608
5609         * doc/invoke.texi (-ftree-loop-fusion): Document.
5610         * tree-pass.h (pass_loop_fusion): Declared.
5611         * tree-loop-fusion.c: New.
5612         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5613         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5614         * tree-data-ref.h (find_data_references_in_loop): Declared.
5615         * common.opt (ftree-loop-fusion): Declared.
5616         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5617
5618 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5619
5620         * graphite.c (build_access_matrix): Fix typo from the merge.
5621
5622 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5623
5624         * Merge from mainline (130800:135673).
5625
5626 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5627
5628         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5629         Update dominators after splitting.
5630
5631 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5632
5633         * graphite.c (is_bb_addable): Return the harmful statement.
5634         Factor up some code.
5635         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5636         (build_scops_1): Call end_scop.
5637
5638 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5639
5640         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5641         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5642         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5643         build_scops_1): Removed.
5644         (build_scops_2): Renamed build_scops_1.
5645
5646 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5647
5648         * graphite.c: Fix formatting.
5649
5650 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5651
5652         * graphite.c (get_bb_type): New.
5653         (move_scops): New.
5654         (build_scops_2): New.
5655         (is_bb_addable): New.
5656         (build_scops): Switch the scop detection.
5657         (build_scop_bbs): Add entry bb to scop.
5658         * graphite.h (struct scop): Update comment.
5659
5660 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5661
5662         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5663         more colors.
5664
5665 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5666
5667         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5668         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5669         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5670         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5671         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5672
5673 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5674
5675         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5676         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5677         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5678         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5679         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5680
5681 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5682
5683         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5684         Check affine expressions depending on the outermost loop
5685         instead of a scop.
5686         (stmt_simple_for_scop_p): Same.
5687         (harmfule_stmt_in_scop): Same.
5688
5689 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5690
5691         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5692         mark entry and exit, that are not part of the SCoP and update HTML
5693         formatting.
5694
5695 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5696
5697         * graphite.c (basic_block_simple_for_scop_p): Renamed
5698         harmful_stmt_in_bb.
5699         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5700         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5701         (all_preds_visited_p, all_succs_visited_p,
5702         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5703         scop_end_loop): New.
5704         (build_scops): Do not use dfs_enumerate_from.
5705
5706         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5707
5708 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5709
5710         * graphite.c: Add comments to functions that are missing a
5711         description.
5712         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5713
5714 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5715
5716         * graphite.c (nb_params_in_scop): Moved...
5717         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5718         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5719         (clast_to_gcc_expression): Reduce column size to less than 80.
5720         (graphite_create_iv): Return the new name of the IV.
5721         (find_transform): Set options->esp and options->cpp.
5722         (gloog): Comment out the invalidation of the old loop code.
5723         (initialize_dependence_polyhedron): Replace scop_nb_params with
5724         nb_params_in_scop.
5725
5726         * graphite.h (nb_params_in_scop): ... here.
5727         (scop_nb_params): Removed.
5728         (loop_domain_dim): Return something even when the loop was not
5729         found in the hash table: avoid ICEing on all the graphite.exp
5730         testcases.
5731
5732 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5733
5734         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5735
5736         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5737         according to nesting level.
5738         (find_scop_parameters): Call instantiate_parameters.
5739         (scan_tree_for_params): Extend it to handle general affine bounds.
5740         Inner loop bound can depend on outer loop induction variable.
5741         (setup_cloog_loop): tmp variable is allocated on stack. Call
5742         instantiate_parameters with respect to outermost_loop_in_scop.
5743         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5744         graphite.h.
5745         (create_empty_loop): Function loopify should be given edge
5746         probability, instead of edge frequency. Dominance relation from
5747         switch_bb to loop_header.
5748         (clast_to_gcc_expression): Added handling of clast_reduction node.
5749         (gloog): New functionality for removing old loop.
5750         (test_dependence): Factored out from build_rdg_all_levels.
5751         (build_rdg_all_levels): Dependence testing factored out to
5752         test_dependence function.
5753
5754         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5755         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5756         from graphite.c
5757
5758 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5759
5760         * graphite.c (free_scop, param_index, initialize_cloog_names,
5761         nb_params_in_scop): Use name_tree map instead of just a tree
5762         for keeping track of the variable name associated to that tree.
5763         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5764         clast_to_gcc_expression, graphite_create_iv,
5765         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5766         graphite_stmt_to_gcc_stmt): New.
5767         (gloog): Call these.
5768         * graphite.h (struct name_tree): New.
5769         (struct scop): Use name_tree instead of tree for params.
5770         Store a vector of name_tree for new_ivs.
5771         (SCOP_NEWIVS): New.
5772         (scop_nb_params): Use name_tree instead of tree.
5773
5774 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5775             Sebastian Pop  <sebastian.pop@amd.com>
5776
5777         * tree-bounds.c: New.
5778         * tree-bounds.h: New.
5779         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5780         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5781         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5782         flag_mudflap.
5783         * gcc.c: Same.
5784         * toplev.c: Same.
5785         * c-cppbuiltin.c: Same.
5786         * c-pragma.c: Same.
5787         * common.opt: Same.
5788         * varasm.c: Same.
5789         * tree-outof-ssa.c: Same.
5790         * c-common.c: Same.
5791         * Makefile.in: Same.
5792
5793 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5794             Sebastian Pop  <sebastian.pop@amd.com>
5795
5796         * tree-loop-distribution.c (remaining_stmts,
5797         upstream_mem_writes): Removed static variables.
5798         (copy_loop_before, create_bb_after_loop,
5799         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5800         rdg_build_components, rdg_build_partitions,
5801         dump_rdg_partitions): Extern.
5802         (generate_loops_for_partition, generate_code_for_partition): Do not
5803         return a bool.
5804         (already_processed_vertex_p, predecessor_has_mem_write,
5805         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5806         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5807         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5808         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5809         Pass remaining_stmts and upstream_mem_writes as parameters.
5810         (rdg_component): Moved...
5811         (build_rdg_partition_for_component): Do not aggregate components when
5812         flag_streamize_loops is set.
5813         (gen_sequential_loops): New.
5814         (ldist_gen): Call gen_sequential_loops.
5815
5816         * tree-pass.h (pass_loop_streamization): Declared.
5817
5818         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5819         basic blocks when loops structures exist.
5820
5821         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5822
5823         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5824
5825         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5826         eliminate_local_variables_stmt, eliminate_local_variables,
5827         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5828         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5829         of code delimited by two edges in the CFG.
5830         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5831         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5832         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5833         the case of parallelisation of reductions.
5834         (create_loop_fn): Extern.
5835         (create_omp_parallel_region): New.
5836
5837         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5838         dump_data_reference for printing dra and drb.
5839         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5840         RDGE_RELATION.
5841         (build_rdg): Don't call free_dependence_relations for the moment, as
5842         we attach dependence relations on each edge of the RDG.
5843         To be fixed later.
5844
5845         * tree-data-ref.h (rdg_component): ...here.
5846         (struct rdg_edge): New field ddr_p relation.
5847         (RDGE_RELATION): New.
5848         (create_bb_after_loop, copy_loop_before,
5849         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5850         rdg_build_partitions, dump_rdg_partitions,
5851         free_rdg_components): Declared.
5852
5853         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5854         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5855
5856         * tree-loop-streamization.c: New.
5857
5858         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5859         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5860
5861         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5862
5863         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5864
5865         * passes.c: Schedule pass_loop_streamization.
5866
5867 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5868
5869         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5870         update comment.
5871
5872 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5873
5874         * graphite.c (dot_all_scops): Update formatting.
5875         Bbs can now be part of more than one SCoP.
5876
5877 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5878
5879         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5880         malloc problems.
5881         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5882         * graphite.h (loop_to_cloog_loop): New.
5883
5884 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5885
5886         * graphite.c (loop_domain_dim, ref_nb_loops,
5887         loop_iteration_vector_dim): New.
5888         (build_access_matrix_with_af, build_access_matrix,
5889         initialize_dependence_polyhedron): Fixed for new matrix layout.
5890         No longer assume that all iteration domains are of the same
5891         dimensionality.
5892
5893 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5894
5895         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5896         defined in a loop at depth 0 is invariant.
5897         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5898         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5899         be called at loop depth 0.
5900
5901         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5902         a parameter.
5903         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5904         (down_open_scop): Removed.
5905         (loop_in_scop_p): Redefined.
5906         (scop_affine_expr): New argument: scop.
5907         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5908         a harmful statement ending a scop.
5909         (basic_block_simple_for_scop_p): New argument: scop.
5910         (get_loop_start): Removed.
5911         (new_scop): Initialize SCOP_LOOPS.
5912         (free_scop): Free SCOP_LOOPS.
5913         (succs_at_same_depth, preds_at_same_depth): New.
5914         (end_scop): Test the validity of a scop.
5915         (add_dominators_to_open_scops): New.
5916         (test_for_scop_bound): Call add_dominators_to_open_scops.
5917         Add cases for opening and closing multiple scops.
5918         (build_scops, build_scop_bbs): Iterate over basic blocks in
5919         depth first order.
5920         (build_graphite_bb): Pass scop directly.
5921         (dfs_bb_in_scop_p): New.
5922         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5923         several times.
5924         (nb_loops_around_gb): Use loop_in_scop_p.
5925         (schedule_to_scattering): Disabled for the moment the code computing
5926         the "textual order for outer loop".
5927
5928         * graphite.h (struct scop): New field loops.
5929         (SCOP_LOOPS): New.
5930         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5931
5932         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5933
5934 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5935             Sebastian Pop  <sebastian.pop@amd.com>
5936
5937         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5938         * common.opt (fstreamize-loops): New.
5939         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5940         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5941         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5942         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5943
5944 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5945
5946         * tree-data-ref.c (build_empty_rdg): New.
5947         (build_rdg): Use it.
5948         * tree-data-ref.h (build_empty_rdg): Declared.
5949         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5950         (find_vertex_for_stmt): Removed.
5951         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5952
5953 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5954
5955         * tree-loop-distribution.c (generate_builtin): After cancelling the
5956         loop tree, also delete basic blocks.
5957         (rdg_flag_uses): Stop recursion when a vertex has already been
5958         processed.
5959
5960 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5961
5962         * graphite.c (build_scop_alpha): Removed.
5963         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5964         and dump_dependence_graph to avoid compiler warnings.
5965
5966 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5967
5968         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5969         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5970         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5971         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5972         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5973         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5974         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5975         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5976         dump_dependence_graph): New.
5977         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5978         (GBB_ALPHA): New.
5979         (struct scop): New field loop2cloog_loop.
5980         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5981         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5982
5983 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5984
5985         * graphite.c (build_graphite_bb): Fix initialization
5986         of the graphite basic block.
5987
5988 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5989
5990         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5991         loop domain matrix.  Pass in the number of loops contained in the
5992         constraint matrix.
5993         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5994         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5995         loops that are not surrounding the current loop are not represented
5996         in the domain constraint matrix.
5997         (build_scop_iteration_domain): Initial domain constraint matrix
5998         contains only the eq/ineq, cst, and scop parameters columns.
5999
6000 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6001
6002         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6003         (print_graphite_bb): Print scattering.
6004
6005 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6006
6007         * graphite.c (initialize_cloog_names): Initialize names of
6008         scattering variables.
6009
6010 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6011
6012         * graphite.c (dot_all_scops_1): Disable debug output while
6013         printing graph.
6014
6015 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6016
6017         * graphite.c (find_transform): Change cloog output language to C.
6018
6019 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6020
6021         * tree-loop-distribution.c (generate_memset_zero,
6022         generate_builtin, generate_code_for_partition,
6023         rdg_flag_all_uses): New.
6024         (rdg_flag_uses): Gather in the same partition the statements defining
6025         the VUSES of the current statement.
6026         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6027         Gather in the same partition not only the stores to the same memory
6028         access, but also the reads.
6029         (ldist_generate_loops): Renamed ldist_gen.
6030
6031 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6032             Tobias Grosser  <grosser@fmi.uni-passau.de>
6033
6034         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6035         next pointer, don't use the inner pointer.
6036
6037 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6038
6039         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6040         (find_transform): Call dot_all_1.
6041         * graphite.h (dot_all_scops): Declared.
6042
6043 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6044
6045         * tree-loop-distribution.c: Fix apsi.f ICE.
6046         (create_bb_after_loop): New.
6047         (generate_loops_for_partition): Use it.
6048         * testsuite/gfortran.dg/ldist-1.f90: New.
6049
6050         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6051         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6052
6053 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6054
6055         * graphite.c (find_transform): Dump cloog program sent to cloog.
6056
6057 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6058
6059         * graphite.c (initialize_cloog_names): Initialize cloog
6060         iterator names.
6061
6062 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6063
6064         * graphite.c (build_scop_context): Fix typo, for the matrix
6065         format: insert '0 >= 0' instead of '-1 >= 0'.
6066
6067 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6068
6069         * Fix merge problems.
6070
6071 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6072
6073         * graphite.c (setup_cloog_loop): Fix typo.
6074
6075 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6076
6077         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6078         * tree-loop-distribution.c: Reimplemented.
6079         * tree-pass.h (pass_loop_distribution): New.
6080         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6081         print_loops.
6082         * graphds.h (struct graph): New field indexes.
6083         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6084
6085         * tree-vect-analyze.c: Remove declaration of static functions when not
6086         needed.
6087         * tree-vectorizer.c: Same.
6088         (rename_variables_in_loop): Now extern.
6089         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6090         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6091         calling redirect_edge_and_branch_force.
6092
6093         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6094
6095         * tree-data-ref.c: Don't include tree-chrec.h.
6096         (debug_data_dependence_relations): New.
6097         (dump_data_dependence_relation): Call dump_data_reference on data refs
6098         in the relation.
6099         (same_access_functions): Moved...
6100         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6101         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6102         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6103         struct rdg_vertex_info, ): New.
6104         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6105         at DDR_REVERSED_P.
6106         (create_rdg_vertices): Initialize the htab of graph->indexes.
6107         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6108         (stmts_from_loop): Don't save LABEL_EXPR.
6109         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6110         hash_stmt_vertex_del): New.
6111         (build_rdg): Initialize rdg->indexes.
6112         (free_rdg, stores_from_loop, ref_base_address,
6113         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6114         have_similar_memory_accesses_1, ref_base_address_1,
6115         remove_similar_memory_refs): New.
6116
6117         * tree-data-ref.h: Include tree-chrec.h.
6118         (debug_data_dependence_relations): Declared.
6119         (same_access_functions): ...here.  Now static inline.
6120         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6121         ddr_dependence_level): New.
6122         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6123         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6124         RDG_MEM_READS_STMT): New.
6125         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6126         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6127         rdg_vertex_for_stmt): Declared.
6128         (struct rdg_edge): New field level.
6129         (RDGE_LEVEL, free_rdg): New.
6130         (stores_from_loop, remove_similar_memory_refs,
6131         rdg_defs_used_in_other_loops_p,
6132         have_similar_memory_accesses): Declared.
6133         (rdg_has_similar_memory_accesses): New.
6134
6135         * lambda.h (dependence_level): New.
6136         * common.opt (ftree-loop-distribution): New.
6137         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6138         (print_loop_ir): Renamed print_loops.
6139         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6140         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6141         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6142         (tree-loop-distribution.o): Added.
6143         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6144         (mark_virtual_ops_in_bb): New.
6145         (print_loops_bb, debug_loop_num, debug_loop): New.
6146         * passes.c: Scheduled pass_loop_distribution.
6147
6148 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6149
6150         * graphite.c (scan_tree_for_params): Correct the number of columns
6151         for polylib format.
6152         (nb_flat_iterator): New.
6153         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6154         (build_scop_iteration_domain): Correct the number of columns for
6155         polylib format.
6156
6157 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6158
6159         * Merge from mainline (129697:130800).
6160
6161 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6162
6163         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6164         dominated by SCoP's exit.
6165         (graphite_transform_loops): Compute post dominators.
6166
6167 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6168
6169         * Merge from mainline (127169:129697).
6170
6171 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6172
6173         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6174         parameter for the basic block that contains the expression.  Use
6175         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6176         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6177         the expression.
6178         * graphite.h (gbb_loop): New.
6179         (GBB_LOOP): Removed.
6180
6181 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6182
6183         * Makefile.in: Fix merge problem.
6184
6185 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6186
6187         * Merge from mainline (125309:127169).
6188         * tree-loop-distribution.c: Disabled.
6189
6190 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6191
6192         * Merge from mainline (r123693:125309).
6193
6194 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6195
6196         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6197         correct_modify_p
6198         (correct_modify_p, check_statements, number_of_lvalue_uses,
6199         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6200         instead of MODIFY_EXPR.
6201         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6202         and push new edges.
6203
6204 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6205
6206         * tree-loop-distribution.c (struct rdg): Replace arrays by
6207         VECs for edges and vertices.
6208         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6209         (RDGV_NB_PARTITIONS): New.
6210         (PRDG_NBV, PRDG_NBE): Removed.
6211         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6212         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6213         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6214
6215 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6216             Sebastian Pop  <sebpop@gmail.com>
6217
6218         * doc/invoke.texi (-ftree-loop-distribution): Document.
6219         * tree-loop-distribution.c: New file.
6220         * tree-pass.h (pass_loop_distribution): Declared.
6221         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6222         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6223         and set reversed_p.
6224         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6225         (DDR_REVERSED_P): New.
6226         * common.opt (-ftree-loop-distribution): New.
6227         * tree-flow.h (distribute_loops): Declared.
6228         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6229         * passes.c (init_optimization_passes): Schedule loop distribution.
6230
6231 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6232
6233         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6234         (print_scop): Don't print when scop is NULL.
6235         (build_scop_context, find_transform): Don't output to stderr.
6236
6237 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6238
6239         * tree-data-ref.c: Don't include graphite.h.
6240         Comment out the code for printing data reference's scop.
6241         (build_access_matrix_with_af): Moved...
6242         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6243         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6244         (print_graphite_bb): Print basic block's schedule.
6245         (print_scop): Don't print the schedule, call cloog's pretty printer.
6246         (bb_in_scop_p): A basic block is in a scop only if it is both
6247         dominated and postdominated by the scop's entry and exit basic blocks.
6248         (function_parameter_p): New.
6249         (invariant_in_scop_p): Use function_parameter_p.
6250         (new_scop, save_scop): New.
6251         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6252         save_scop.
6253         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6254         (loop_in_scop_p): New.
6255         (scop_record_loop): Use loop_in_scop_p.
6256         (build_scop_domain): Renamed build_scop_iteration_domain.
6257         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6258         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6259         setup_cloog_loop, dot_scop_1, dot_scop): New.
6260         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6261         (struct scop): Add a pointer to cloog's representation of a program.
6262
6263 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6264
6265         * doc/invoke.texi (-ftree-check-verbose): Renamed
6266         -ftree-checks-verbose.
6267         * common.opt (flag_tree_check_verbose): Renamed
6268         flag_tree_checks_verbose.
6269         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6270
6271 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6272
6273         * configure: Regenerated.
6274         * config.in: Regenerated.
6275         * tree-ssa-loop.c (graphite_transforms): Execute
6276         graphite_transform_loops only when HAVE_cloog.
6277         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6278         * graphite.c: Include polylibgmp.h and cloog.h.
6279         (graphite_transform_loops): Removed loops parameter.
6280         * tree-flow.h (graphite_transform_loops): Update declaration.
6281         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6282         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6283         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6284         (OBJS-common): Remove dependence on graphite.o.
6285         (BACKEND): Depend on @GRAPHITE@.
6286
6287 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6288
6289         * doc/invoke.texi (-ftree-check-verbose): Documented.
6290         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6291         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6292         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6293         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6294         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6295         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6296         * common.opt (ftree-checks-verbose): New.
6297         * tree-check.c (tree_check_warning): Move extra stderr output
6298         under control of flag_tree_check_verbose.
6299
6300 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6301
6302         * tree-match.c: Fix comments formatting.
6303         * tree-match.h: Fix comments formatting.
6304         * tree-check.c: Fix comments formatting.
6305         (tree_check_init): Restructure.
6306
6307 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6308
6309         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6310
6311 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6312
6313         * Merge from mainline (r120733:123693).
6314
6315 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6316
6317         * condate.y: New file.
6318         * tree-match.h (struct patt_info_s): New field sign.
6319         (struct condate_s): New field msg.
6320         (normalize_condate, name_condate, add_condate): New.
6321         (conds[], condate_parse): Made extern.
6322         * tree-check.c (tree_check_warning): First arg changed to cond;
6323         warning reformatted.
6324         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6325         (tree_scan): New.
6326         (tree_check): Process trivial condates.
6327         (read_delimited_string): Removed.
6328         (print_cond): Print name and msg.
6329         (conds[]): Made extern.
6330         (parse_tree_check_file_once): Rewritten to use the parser in
6331         condate.y.
6332         Processing of option --tree_check_string moved to tree_scan().
6333         * Makefile.in: Added condate.y
6334
6335 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6336
6337         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6338         Use VECs instead of varrays.
6339         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6340         * Makefile.in (pretty-print.o): Depend on vec.h.
6341         * pretty-print.c: Include tree.h and vec.h.
6342         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6343         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6344         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6345         pp_free_list): Use VECs instead of varrays.
6346         * pretty-print.h: Do not include varray.h.
6347         (struct tree_chunk_s): Declaration moved before its use.
6348         (output_buffer): Rename varray field to chunks.
6349         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6350         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6351         save_global_holes): Use VECs instead of varrays.
6352         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6353         * tree-check.c (scan_cfg_stmts, push_node,
6354         print_matching_stmt): Removed.
6355         (tree_check_instance, push_global_holes_if_new, tree_check,
6356         execute_tree_check): Use VECs instead of varrays.
6357         (gate_tree_check): Don't execute the CFG check when basic_block_info
6358         is not available.
6359
6360 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6361
6362         * Merge from mainline (r115016:120733).
6363
6364 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6365
6366         * Merge from mainline (r117632:117661).
6367
6368 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6369
6370         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6371         * tree-pass.h (TDF_DEBUG, debug_p): New.
6372         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6373         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6374         get_loop_exit_condition, analyze_evolution_in_loop,
6375         analyze_initial_condition, analyze_scalar_evolution,
6376         instantiate_parameters, number_of_latch_executions): Use debug_p.
6377         * tree-chrec.c (chrec_apply): Use debug_p.
6378         * tree-data-ref.c: Include graphite.h.
6379         (dump_data_reference): Print also the access matrix.
6380         (analyze_array, analyze_indirect_ref, init_data_ref,
6381         analyze_offset_expr, address_analysis, object_analysis,
6382         create_data_ref, finalize_ddr_dependent,
6383         non_affine_dependence_relation, analyze_ziv_subscript,
6384         analyze_siv_subscript_cst_affine,
6385         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6386         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6387         analyze_miv_subscript, analyze_overlapping_iterations,
6388         build_classic_dist_vector, subscript_dependence_tester,
6389         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6390         (build_access_matrix_with_af): No longer static.
6391         * tree-data-ref.h (scop_p): ... declaration here.
6392         (data_reference.scop): New field.
6393         (DR_SCOP, DR_ACCESS_MATRIX): New.
6394         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6395         * graphite.c (print_graphite_bb): Call dump_data_references.
6396         (print_scop): Use scop_nb_loops and scop_dim_domain.
6397         (test_for_scop_bound): Use debug_p.
6398         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6399         scop_nb_params.
6400         (scop_loop_index): Moved...
6401         (scop_record_loop): New.
6402         (build_scop_loop_nests): Use scop_record_loop.
6403         (build_scop_domain): Use scop_dim_domain.
6404         (build_access_matrix): Implemented.
6405         (build_scop_canonical_schedules): Use scop_nb_loops.
6406         (build_graphite_bb): Initialize GBB_SCOP.
6407         * graphite.h (scop_p): Moved...
6408         (graphite_bb.scop): New field.
6409         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6410         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6411         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6412         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6413         scop_loop_index): New.
6414         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6415
6416 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6417
6418         * Merge from mainline (r117661:120450).
6419
6420 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6421
6422         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6423         at the first declaration outside the varying loop, instantiate as
6424         far as possible.
6425         * tree-chrec.c (for_each_scev_op): New.
6426         * tree-chrec.h (for_each_scev_op): Declared.
6427         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6428         * tree-data-ref.c (get_references_in_stmt,
6429         find_data_references_in_stmt): New, from trunk.
6430         (find_data_references_in_loop): Use get_references_in_stmt
6431         and find_data_references_in_loop, modified as in trunk.
6432         (build_access_matrix_with_af): New.
6433         * tree-data-ref.h (data_reference): Add a field access_matrix.
6434         (data_ref_loc): New, as in trunk.
6435         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6436         invariant_in_scop_p, param_index, scan_tree_for_params,
6437         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6438         idx_record_param, idx_record_params, build_access_matrix,
6439         build_scop_data_accesses, build_scop_canonical_schedules,
6440         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6441         build_scop_params): New.
6442         * graphite.h (graphite_bb): New.
6443         (scop): Add fields static_schedule, params, loop_nest,
6444         iteration_domain.
6445         * lambda.h: Declare vecs of lambda_matrix.
6446         * tree-flow.h (print_loop_ir_bb): Declared.
6447         * tree-cfg.c (print_loop_ir_bb): New.
6448         (print_loop): Use print_loop_ir_bb.
6449
6450 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6451
6452         * Merge from mainline (r115016:117632).
6453
6454 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6455
6456         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6457         break due to a warning.
6458
6459 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6460
6461         * graphite.c (print_scops, debug_scops): New.
6462         (graphite_transform): Renamed graphite_find_transform.
6463         * graphite.h (debug_scops): Declared.
6464
6465 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6466
6467         * tree-match.c: Reformat following the GNU style.
6468         * tree-match.h: Reformat following the GNU style.
6469         * tree-pattern.h: Removed empty file.
6470         * Makefile.in: Remove references to tree-pattern.h.
6471         * tree-check.c: Reformat following the GNU style.
6472         (execute_tree_check): Move gate condition code to...
6473         (gate_tree_check): ...here.  New function.
6474         (pass_check): Use the gate function.
6475
6476 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6477
6478         * tree-pattern.h: New. Tree pattern matching and checking using
6479         concrete syntax.
6480         * tree-check.c: New. Tree/CFG checking pass.
6481         * tree-match.c: New. Library for tree pattern matching.
6482         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6483         * toplev.c, flags.h: Add globals for tree-check pass.
6484         * Makefile.in: Integrate the files in tree-check pass.
6485         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6486         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6487         Introduce a "lazy" pretty-print mode.
6488         * tree.c, tree.h: Add tree_name.
6489
6490 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6491
6492         * doc/invoke.texi (-fgraphite): Correct typo.
6493         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6494         use of print_loop_ir.
6495         * testsuite/gcc.dg/graphite/scop-1.c: New.
6496         * testsuite/gcc.dg/graphite/scop-2.c: New.
6497         * testsuite/gcc.dg/graphite/graphite.exp: New.
6498         * graphite.c: Include domwalk.h.
6499         (print_scop): Print only the entry and exit blocks.
6500         (debug_scop): No longer static.
6501         (affine_expr): Fix formating.  Return also true when the expression is
6502         constant.
6503         (stmt_simple_for_scop_p): Fix formating.
6504         (build_scops): Use domwalk.
6505         (get_loop_start, end_scop, test_for_scop_bound): New.
6506         (graphite_transform_loops): Avoid printing on stderr.
6507         * graphite.h (debug_scop): Declared.
6508         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6509         * Makefile.in (graphite.o): Depend on domwalk.h.
6510         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6511         declarations for static functions.
6512         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6513         controlling output verbosity.
6514
6515 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6516             Plesco Alexandru  <shurikx@gmail.com>
6517
6518         * doc/invoke.texi (-fgraphite): Document.
6519         * tree-pass.h (pass_graphite_transforms): Declared.
6520         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6521         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6522         (pass_graphite_transforms): Defined.
6523         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6524         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6525         * graphite.c, graphite.h: New.
6526         * common.opt (fgraphite): Declared.
6527         * tree-flow.h (graphite_transform_loops): Declared.
6528         * Makefile.in (OBJS-common): Add graphite.o.
6529         (graphite.o): New rule.
6530         * passes.c (pass_graphite_transforms): Scheduled.
6531