gcc/ChangeLog.graphite

   1 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         Revert patch fixing PR middle-end/42221.
   4
   5 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         PR middle-end/42180
   8         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
   9         GIMPLE_CALL.
  10
  11         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
  12
  13 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         PR middle-end/42180
  16         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
  17         that contain only one statement.
  18
  19         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
  20
  21 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         PR middle-end/42393
  24         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
  25
  26 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         PR middle-end/42186
  29         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
  30
  31 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         PR middle-end/42205
  34         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
  35         Insert the reduction copy in the same block as the phi node.
  36         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
  37
  38         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
  39         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
  40
  41 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  42
  43         PR middle-end/42221
  44         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  45         the array indexing of ADDR_EXPRs.
  46
  47         * testsuite/gcc.dg/graphite/pr42221.c: New.
  48
  49 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         PR middle-end/42178
  52         PR middle-end/42334
  53         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
  54         index.  Call lst_interchange_select_inner only once.
  55         (lst_interchange_select_inner): Update use of lst_try_interchange.
  56         (lst_interchange_select_outer): Update.
  57
  58 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  59
  60         PR middle-end/42178
  61         PR middle-end/42334
  62         * graphite-interchange.c (lst_try_interchange): Do not increment the
  63         the OUTER index when there is no AFTER kernel.  Do not increment the
  64         OUTER index for after processing the AFTER kernel.
  65         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
  66         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
  67         index.  Do not pass to lst_interchange_select_inner the OUTER index.
  68         (scop_do_interchange): Update use of lst_interchange_select_outer.
  69
  70         * testsuite/gfortran.dg/graphite/graphite.exp
  71         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
  72         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
  73         the graphite dump file.
  74         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
  75         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
  76
  77 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         PR middle-end/42178
  80         PR middle-end/42334
  81         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
  82         that are empty.
  83         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
  84         (lst_try_interchange): Reimplemented.
  85         (lst_interchange_select_inner): Same.
  86         (lst_do_interchange): Renamed lst_interchange_select_outer.
  87         Reimplemented.
  88         (scop_do_interchange): Update use of lst_interchange_select_outer.
  89
  90         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
  91         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
  92         * testsuite/gcc.dg/graphite/pr42211.c: New.
  93         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
  94
  95 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         PR middle-end/42181
  98         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
  99         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 100
 101         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 102
 103 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 104
 105         PR middle-end/42284
 106         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 107         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 108         (detect_commutative_reduction_arg): Simplified.
 109         (detect_commutative_reduction): Early return when the argument of
 110         the close phi is not of an SSA_NAME.
 111
 112         * testsuite/gcc.dg/graphite/pr42284.c: New.
 113
 114 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 115
 116         * dbgcnt.def (graphite_scop): New counter.
 117         * graphite.c: Include dbgcnt.h
 118         (graphite_transform_loops): Use new counter to limit transformations.
 119
 120 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 121
 122         PR middle-end/42285
 123         * graphite-scop-detection.c (graphite_can_represent_init): Also
 124         handle more complex MULT_EXPRs containing parameters by recursion
 125         on the structure.
 126
 127         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 128
 129 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 130
 131         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 132
 133 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 134
 135         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 136
 137 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 138
 139         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 140         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 141
 142 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 143
 144         PR middle-end/42130
 145         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 146         translate_clast_for_loop): New.
 147         (translate_clast_for): Add a condition around the loop, to do not
 148         execute loops with zero iterations.
 149         * testsuite/g++.dg/graphite/pr42130.C: New.
 150         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 151
 152 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 153
 154         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 155         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 156         Remove context_loop and level.
 157
 158 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 159
 160         * graphite-clast-to-gimple.c (translate_clast_user,
 161         translate_clast_for, translate_clast_guard): Simplify and move common
 162         elements to translate_clast().
 163         (translate_clast): Simplify and get common elements.
 164
 165 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 166
 167         * graphite-clast-to-gimple.c (translate_clast_user,
 168         translate_clast_for, translate_clast_guard): Split out of
 169         translate_clast.
 170
 171 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 172
 173         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 174         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 175         debug_clast_name_indexes_1, debug_clast_name_indexes,
 176         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 177         (clast_name_to_gcc, clast_to_gcc_expression,
 178         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 179         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 180         graphite_create_guard_cond_expr, graphite_create_new_loop,
 181         translate_clast): Add params_index.
 182         (initialize_cloog_names): Create parameter strings from scratch, do
 183         not reference other strings.
 184         (create_params_index): New.
 185         (gloog): Initialize params_index.
 186         * graphite-scop-detection (free_scops_1): Removed.
 187         (limit_scops): Use normal free_scops.
 188         * graphite-sese-to-poly.c (save_var_names): Removed.
 189         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 190         and SESE_PARAMS_INDEX.
 191         * sese.c (new_sese, free_sese): Dito.
 192         * sese.h (struct sese): Remove params_index, params_names.
 193         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 194
 195 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         Revert the following patch from 2009-09-14:
 198         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 199         tree-scalar-evolution.h, and then tree-data-ref.h.
 200         * graphite-clast-to-gimple.c: Same.
 201         * graphite-dependences.c: Same.
 202         * graphite-interchange.c: Same.
 203         * graphite-poly.c: Same.
 204         * graphite-scop-detection.c: Same.
 205         * graphite-sese-to-poly.c: Same.
 206         * graphite.c: Same.
 207         * lambda-code.c: Same.
 208         * matrix-reorg.c: Same.
 209         * tree-data-ref.c: Same.
 210         * tree-if-conv.c: Same.
 211         * tree-loop-distribu: Same.: Same.
 212         * tree-loop-linear.c: Same.
 213         * tree-parloops.c: Same.
 214         * tree-predcom.c: Same.
 215         * tree-vect-patterns.c: Same.
 216
 217 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         Revert patch from 2009-09-14.
 220         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 221         passes at -O1 and below.
 222
 223 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 224
 225         PR middle-end/40281
 226         * testsuite/gcc.dg/graphite/pr40281.c: New.
 227
 228         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 229         evolutions should not variate in inner loops.
 230
 231 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         PR middle-end/42050
 234         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 235
 236 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 237
 238         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 239         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 240
 241 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 242
 243         * graphite-blocking.c (scop_do_block): New.
 244         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 245         * graphite-poly.h (scop_do_block): Declared.
 246
 247 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 250         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 251         to transform depth into the time_depth before calling
 252         pbb_number_of_iterations_at_time.
 253         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 254         lst_depth.
 255
 256 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 257
 258         Reverted the patch for "scattering permutations" from 2009-10-28.
 259
 260         * graphite-poly.c (print_permutation): New.
 261         (debug_permutation): New.
 262         (new_poly_bb): Initialize PBB_PERMUTATION.
 263         (free_poly_bb): Free PBB_PERMUTATION.
 264         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 265         (struct pbb_permutation_elt): New.
 266         (PBB_PERMUTATION_ELT_STRIDE): New.
 267         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 268         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 269         (new_pbb_permutation_elt): New.
 270         (pbb_permutation_elt_free): New.
 271         (struct poly_bb): Add field permutation.
 272         (PBB_PERMUTATION): New.
 273         (print_permutation): Declared.
 274         (debug_permutation): Declared.
 275
 276 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 277
 278         * graphite-interchange.c (build_partial_difference): New.
 279         (memory_stride_in_loop): Refactored the computation of
 280         equality constraints into build_partial_difference function.
 281         Added support for debugging stride computations.
 282
 283 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         * graphite-clast-to-gimple.c (gloog): Free if_region,
 286         if_region->true_region, and if_region->region.
 287         * sese.c (if_region_set_false_region): Free if_region->false_region.
 288         (create_if_region_on_edge): Do not use GGC_NEW.
 289         (move_sese_in_condition): Remove useless initialization.
 290
 291 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 294         for the loops created by the loop distribution.  Do not modify the
 295         input LSTs.
 296         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 297         transformed schedule.  Call lst_update_scattering before data
 298         dependence analysis.
 299         (lst_try_interchange): Pass an extra parameter INDEX.
 300         (lst_do_interchange_1): New.
 301         (lst_do_interchange): Call lst_do_interchange_1.
 302         (scop_do_interchange): Call lst_update_scattering.
 303         * graphite-poly.c (apply_poly_transforms): Do not call
 304         lst_update_scattering.
 305         * graphite-poly.h (lst_pred): New.
 306         (lst_succ): New.
 307         (lst_find_first_pbb): Return NULL when not found.
 308         (lst_empty_p): New.
 309         (lst_insert_in_sequence): Allow LST1 to be NULL.
 310         (lst_replace): New.
 311         (lst_substitute_3): New.
 312         * gcc.dg/graphite/interchange-1.c: XFail.
 313         * gcc.dg/graphite/interchange-8.c: XFail.
 314         * gcc.dg/graphite/interchange-11.c: XFail.
 315
 316 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 317
 318         * graphite-interchange.c (lst_perfectly_nested_p): New.
 319         (lst_perfect_nestify): New.
 320         (lst_try_interchange_loops): Call store_lst_schedule,
 321         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 322         (scop_do_interchange): Avoid redundant legality test.
 323         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 324         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 325         * graphite-poly.h (psct_static_dim): New.
 326         (lst_dewey_number_at_depth): New.
 327         (lst_find_pbb): Restructured.
 328         (lst_find_first_pbb): Restructured.
 329         (lst_find_last_pbb): New.
 330         (lst_contains_p): New.
 331         (lst_contains_pbb): New.
 332         (lst_create_nest): New.
 333         (lst_remove_from_sequence): New.
 334         (pbb_update_scattering): New.
 335         (lst_update_scattering_under): New.
 336         (lst_update_scattering_seq): New.
 337         (lst_update_scattering): New.
 338         (lst_insert_in_sequence): New.
 339         (lst_distribute_lst): New.
 340         (lst_remove_all_before_including_pbb): New.
 341         (lst_remove_all_before_excluding_pbb): New.
 342
 343 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 346         get_loop_exit_edges.
 347
 348 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 351
 352 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 353
 354         * graphite-poly.c (print_permutation): New.
 355         (debug_permutation): New.
 356         (new_poly_bb): Initialize PBB_PERMUTATION.
 357         (free_poly_bb): Free PBB_PERMUTATION.
 358         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 359         (struct pbb_permutation_elt): New.
 360         (PBB_PERMUTATION_ELT_STRIDE): New.
 361         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 362         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 363         (new_pbb_permutation_elt): New.
 364         (pbb_permutation_elt_free): New.
 365         (struct poly_bb): Add field permutation.
 366         (PBB_PERMUTATION): New.
 367         (print_permutation): Declared.
 368         (debug_permutation): Declared.
 369
 370 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 371
 372         * graphite-clast-to-gimple.c (gloog): Do not call
 373         sese_reset_aux_in_loops.
 374         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 375         extra argument for domains.  Do not use loop->aux.
 376         (build_scop_iteration_domain): Initialize and free domains, pass it
 377         to build_loop_iteration_domains and extract the information from
 378         domains.  Do not use loop->aux.
 379         * sese.c (sese_reset_aux_in_loops): Removed.
 380         * sese.h (sese_reset_aux_in_loops): Removed.
 381
 382 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 385         (dependency_in_loop_p): Same.
 386         (translate_clast): Do not use loop->aux.  Initialize
 387         loop->can_be_parallel.
 388         (mark_loops_parallel): Removed.
 389         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 390         * graphite.c (free_aux_in_new_loops): Removed.
 391         (graphite_finalize): Do not call free_aux_in_new_loops.
 392         (graphite_transform_loops): Do not call mark_loops_parallel.
 393
 394 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 395
 396         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 397         (translate_clast): Pass an extra parameter LEVEL.
 398         Call get_scattering_level.
 399         * graphite-clast-to-gimple.h (get_scattering_level): New.
 400
 401 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 402
 403         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 404         * cfgloop.h (struct loop): New field single_iv.
 405
 406         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 407         loop->aux anymore: use loop->single_iv.
 408         (graphite_loop_normal_form): Moved...
 409         (build_graphite_loop_normal_form): Removed.
 410         (gloog): Do not call build_graphite_loop_normal_form.
 411         (free_aux_in_new_loops): Moved...
 412         (mark_loops_parallel): Restructure.
 413         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 414         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 415         (scop_canonicalize_loops): New.
 416         (build_poly_scop): Call scop_canonicalize_loops.
 417         * graphite.c (free_aux_in_new_loops): ...here.
 418
 419 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 420
 421         * g++.dg/graphite/graphite.exp: Add the same rules as in
 422         gcc.dg/graphite/graphite.exp.
 423
 424 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * g++.dg/graphite/id-1.C: New.
 427
 428 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 431         argument base_name.
 432         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 433         (rewrite_phi_out_of_ssa): Same.
 434         (rewrite_cross_bb_scalar_deps): Same.
 435         (translate_scalar_reduction_to_array): Same.
 436
 437 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 440         dump_alias_graphs.
 441
 442 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 443
 444         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 445         (build_scop_drs): Call dump_alias_graphs.
 446
 447 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 448
 449         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 450         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 451         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 452         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 453         * graphite-poly.h (free_lst): New.
 454         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 455         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 456
 457 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 458
 459         * graphite-poly.h (struct scop): Add a field saved_schedule.
 460         (SCOP_SAVED_SCHEDULE): New.
 461         (store_lst_schedule): New.
 462         (restore_lst_schedule): New.
 463         (store_scattering): Call store_lst_schedule.
 464         (restore_scattering): Call restore_lst_schedule.
 465
 466 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 467
 468         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 469         (pdr_add_alias_set): Same.
 470         (build_poly_dr): Same.
 471         (build_alias_set_optimal_p): Same.
 472         (build_base_obj_set_for_drs): Same.  Do not store the result of
 473         graphds_dfs.
 474
 475 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 476
 477         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 478         all_components_are_cliques to 1.
 479
 480 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 481
 482         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 483         the new structure.
 484         (pdr_add_alias_set): Update retrieving alias_set_num.
 485         (build_poly_dr): Update retrieving dr_base_object_set.
 486         (partition_drs_to_sets): Remove.
 487         (build_alias_set_optimal_p): New.
 488         (build_alias_set_for_drs): Rename.
 489         (build_scop_drs): Update.
 490         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 491         (ALIAS_SET_INDEX): Remove.
 492         (BASE_OBJECT_SET_INDEX): Remove.
 493
 494 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 495
 496         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 497
 498 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 501         loop upper bounds for 1-element arrays at end of structures.
 502         * tree-flow.h (array_at_struct_end_p): Declared.
 503         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 504
 505 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * g++.dg/graphite/pr41305.C: New.
 508
 509 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 510
 511         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 512         construction of parameter constraints from loop iteration analysis.
 513         * gcc.dg/graphite/run-id-2.c: New test.
 514
 515 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 518         and new_cstr.
 519
 520 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 521
 522         * graphite-dependences.c (dependence_polyhedron_1): Remove
 523         unused gdim dimensions from the DDR polyhedron.
 524
 525 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-dependences.c (pddr_transformed_scattering): New.
 528         (dot_original_deps_stmt_1): New.
 529         (dot_transformed_deps_stmt_1): New.
 530         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 531         dot_transformed_deps_stmt_1.
 532         (dot_original_deps): New.
 533         (dot_transformed_deps): New.
 534         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 535
 536 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-dependences.c (reduction_dr_1): Remove wrong
 539         assert: reduction BBs can have multiple reduction writes
 540         to memory.  interchange-3.f90 is an example.
 541
 542 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 543
 544         * gfortran.dg/graphite/interchange-3.f90: New.
 545
 546 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 549
 550 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * graphite-dependences.c (dependence_polyhedron_1): Add the
 553         context to the dependence polyhedron.
 554
 555 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 558         PBB_PDR_DUPLICATES_REMOVED.
 559         (new_poly_bb): Same.
 560
 561 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 564         SCOP_CONTEXT.
 565         (build_loop_iteration_domains): Extract bounds on parameters
 566         based on the data size.
 567         (build_scop_context): Do not initialize SCOP_CONTEXT;
 568         add new constraints.
 569
 570 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 573         * graphite-ppl.h (graphite-ppl.h): Declared.
 574
 575 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 576
 577         * graphite-ppl.c (ppl_print_linear_expr): New.
 578         (debug_ppl_linear_expr): New.
 579         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 580         (debug_ppl_linear_expr): Declared.
 581
 582 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 583
 584         * graphite-interchange.c: Fix comments.
 585         * gcc.dg/graphite/block-1.c: Fix comments.
 586
 587 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 590         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 591
 592 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 593
 594         Reapply the patch from Alexander Monakov that disappeared during
 595         the last merges from trunk.
 596
 597         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 598
 599         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 600         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 601
 602 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-interchange.c (memory_stride_in_loop): The depth
 605         argument corresponds to a dynamic time dimension, so use
 606         psct_dynamic_dim to refer to the transformed scattering dimension.
 607
 608 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 609
 610         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 611
 612 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 615         root of the LST.
 616         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 617         the root of the LST.
 618         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 619         fake loop.
 620         (print_lst): Print the root of LST in a different format.
 621         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 622
 623 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 626
 627 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * doc/passes.texi: Document the Graphite infrastructure.
 630
 631 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 634         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 635         and check the SSA representation.
 636
 637         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 638
 639 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 642
 643 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 644
 645         * gcc.dg/graphite/interchange-11.c: New.
 646
 647 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 650
 651 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 654         Add -fno-loop-strip-mine and -fno-loop-interchange.
 655         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 656         -fno-loop-strip-mine.
 657         * gfortran.dg/graphite/graphite.exp: Same.
 658
 659 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 662         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 663         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 664         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 665         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 666         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 667         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 668         DEFAULT_FLAGS_GRAPHITE_SCOP.
 669         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 670         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 671
 672 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 675
 676 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 677             Sebastian Pop  <sebastian.pop@amd.com>
 678
 679         * graphite-interchange.c (build_linearized_memory_access): Pass an
 680         offset as parameter.
 681         (memory_stride_in_loop): Include transform scattering in the
 682         access functions to be able to querry the strides in the
 683         transformed loops.
 684         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 685         not the psct_iterator_dim.
 686
 687 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 690         (lst_do_strip_mine_loop): New.
 691         (lst_do_strip_mine): New.
 692         (scop_do_strip_mine): Call lst_do_strip_mine.
 693         * graphite-poly.h (lst_add_loop_under_loop): New.
 694         (lst_find_first_pbb): New.
 695
 696 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * graphite-poly.c (loop_to_lst): Fix LST creation.
 699
 700 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 701
 702         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 703         sizeof(unsigned long) to make it run on 32bit systems.
 704
 705 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 706
 707         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 708         SEGFAULT on 32bit.
 709
 710 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 711
 712         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 713         Comment.
 714         (write_alias_graph_to_ascii_dot): New.
 715         (write_alias_graph_to_ascii_ecc): Ditto.
 716         (partition_drs_to_sets): Add testing of optimality of current method
 717         which assigns alias numbers according to DFS Comopnent number.  used
 718         as heuristic for the upcoming ECC algorithm.
 719         (build_scop_drs): Write to file also with the ecc and dot format.
 720
 721 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 722
 723         * gfortran.dg/graphite/interchange-1.f: XFail.
 724
 725 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * graphite.c (graphite_initialize): Do not handle functions with
 728         more than 100 basic blocks.
 729
 730 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * graphite-blocking.c (pbb_do_strip_mine): Use
 733         PARAM_LOOP_BLOCK_TILE_SIZE.
 734
 735 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 736
 737         * graphite-poly.c (dot_lst_1): New.
 738         (dot_lst): New.
 739         * graphite-poly.h (dot_lst): Declared.
 740
 741 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 742
 743         * graphite-dependences.c (dot_deps_stmt_1): New.
 744         (dot_deps_stmt): New.
 745         * graphite-dependences.h (dot_deps_stmt): Declared.
 746
 747 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 748
 749         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 750         not replace cross BB scalar dependences ending on PHI nodes.
 751         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 752
 753 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 754
 755         * graphite-poly.c (apply_poly_transforms): Implement the high
 756         level driver for flag_loop_block.
 757         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 758         flag_loop_block.
 759
 760         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 761         -floop-block.
 762         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 763         Add -floop-block.
 764
 765 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         * graphite-poly.h (lst_find_pbb): New.
 768         (find_lst_loop): New.
 769
 770 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 771
 772         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 773         * graphite-poly.h (struct scop): Remove dep_graph field.
 774         (SCOP_DEP_GRAPH): Removed.
 775
 776 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 777
 778         * graphite-poly.h (copy_lst): Do full copy of LST.
 779
 780 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 781
 782         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 783         when the loop stride is zero.
 784
 785         * gcc.dg/graphite/id-16.c: New.
 786
 787 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-dependences.c (reduction_dr_1): New.
 790         (reduction_dr_p): New.
 791         (graphite_legal_transform_dr): Call reduction_dr_p.
 792         (reduction_ddr): Renamed reduction_ddr_p.
 793         * graphite-poly.h (same_pdr_p): New.
 794         (number_of_write_pdrs): New.
 795         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 796         (split_reduction_stmt): Do not split reduction statements
 797         when there are no writes to memory.
 798         (translate_scalar_reduction_to_array_for_stmt): Insert the
 799         memory reduction statement just after the scalar reduction statement.
 800
 801         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 802         Un-XFAIL-ed.
 803         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 804         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 805
 806 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 807
 808         * graphite-interchange.c (lst_apply_interchange): New.
 809         (lst_interchange_profitable_p): New.
 810         (lst_try_interchange_loops): New.
 811         (lst_try_interchange): New.
 812         (lst_do_interchange): New.
 813         (pbb_do_interchange): Removed.
 814         (scop_do_interchange): Call lst_do_interchange.
 815
 816 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 819         SCOP_TRANSFORMED_SCHEDULE.
 820         (loop_to_lst): New.
 821         (scop_to_lst): New.
 822         (print_lst): New.
 823         (debug_lst): New.
 824         * graphite-poly.h (lst_p): New.
 825         (struct lst): New.
 826         (LST_LOOP_P): New.
 827         (LST_LOOP_FATHER): New.
 828         (LST_PBB): New.
 829         (LST_SEQ): New.
 830         (scop_to_lst): Declared.
 831         (print_lst): Declared.
 832         (debug_lst): Declared.
 833         (new_lst_loop): New.
 834         (new_lst_stmt): New.
 835         (copy_lst): New.
 836         (lst_depth): New.
 837         (lst_dewey_number): New.
 838         (struct scop): Add original_schedule and transformed_schedule fields.
 839         (SCOP_ORIGINAL_SCHEDULE): New.
 840         (SCOP_TRANSFORMED_SCHEDULE): New.
 841         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 842
 843 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * graphite-dependences.c (reduction_ddr): New.
 846         (graphite_legal_transform_bb): Call reduction_ddr.
 847         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 848         Initialize PBB_IS_REDUCTION.
 849         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 850         (PBB_IS_REDUCTION): New.
 851         (new_poly_bb): Update declaration.
 852         * graphite-scop-detection.h (build_scop_bbs): Removed.
 853         (nb_reductions_in_loop): Removed.
 854         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 855         parameter for reductions.
 856         (try_generate_gimple_bb): Update call to new_poly_bb.
 857         (build_scop_bbs_1): Same.
 858         (build_scop_bbs): Same.
 859         (gsi_for_phi_node): New.
 860         (scalar_close_phi_node_p): Remove gcc_assert.
 861         (split_reduction_stmt): New.
 862         (is_reduction_operation_p): New.
 863         (phi_contains_arg): New.
 864         (follow_ssa_with_commutative_ops): New.
 865         (detect_commutative_reduction_arg): New.
 866         (detect_commutative_reduction_assign): New.
 867         (follow_inital_value_to_phi): New.
 868         (edge_initial_value_for_loop_phi): New.
 869         (initial_value_for_loop_phi): New.
 870         (detect_commutative_reduction): New.
 871         (translate_scalar_reduction_to_array_for_stmt): New.
 872         (insert_copyout): New.
 873         (insert_copyin): New.
 874         (translate_scalar_reduction_to_array): New.
 875         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 876         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 877         (rewrite_commutative_reductions_out_of_ssa): New.
 878         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 879         * sese.h (split_region_for_bb): New.
 880
 881         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 882         * gcc.dg/graphite/interchange-1.c: Fix format.
 883         * gcc.dg/graphite/interchange-10.c: New.
 884
 885 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 886
 887         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 888         buggy assert.
 889
 890 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 893         (rewrite_cross_bb_scalar_dependence): New.
 894         (rewrite_cross_bb_scalar_deps): New.
 895         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 896         Call rewrite_cross_bb_scalar_deps.
 897
 898 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 899
 900         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 901         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 902         gsi_for_stmt.
 903
 904 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 905
 906         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 907         * graphite-interchange.c (pbb_do_interchange): Same.
 908         * graphite-poly.c (print_scattering_function): Same.
 909         (debug_pdrs): Same.
 910         * graphite-poly.h (pbb_loop): New.
 911         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 912
 913 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 914
 915         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 916
 917 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 920         so don't pass a pointer to it.
 921         (build_alias_set_for_drs): Same.
 922         (build_base_obj_set_for_drs): Same.
 923         (build_scop_drs): Same.
 924
 925 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 926
 927         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 928         the alias graph of data references.
 929
 930 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 931
 932         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 933         (build_scop_drs): When debugging, write the alias graph to file,
 934         otherwise, should be disabled.
 935
 936 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 937
 938         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 939         (is_simple_operand): Remove call to stmt_simple_memref_p.
 940         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 941
 942 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 943
 944         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 945         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 946         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 947         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 948         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 949
 950 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 951
 952         PR middle-end/41118
 953         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 954         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 955         (graphite_carried_dependence_level_k): Ditto.
 956         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 957         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 958         (new_poly_dr): Adjust declaration.
 959         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 960         (free_gimple_bb): Added free_data_refs_aux.
 961         (build_poly_dr): Add dr_base_object_set.
 962         (partition_drs_to_sets): New.
 963         (dr_same_base_object_p): New.
 964         (build_alias_set_for_drs): New.
 965         (build_base_object_set_for_drs): New.
 966         (build_scop_drs): Add build_base_obj_set_for_drs.
 967         * graphite-sese-to-poly.h: Added #define for alias set number index and
 968         base object set index.
 969         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 970         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 971
 972 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 973
 974         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 975         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 976
 977 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 978
 979         * graphite-sese-to-poly.c (struct irp_data): Removed.
 980         (idx_record_params): Removed.
 981         (find_params_in_bb): Scan for parameters the access functions; don't
 982         parse the tree representation.
 983
 984 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 985
 986         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 987         passes at -O1 and below.
 988
 989 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 992         tree-scalar-evolution.h, and then tree-data-ref.h.
 993         * graphite-clast-to-gimple.c: Same.
 994         * graphite-dependences.c: Same.
 995         * graphite-interchange.c: Same.
 996         * graphite-poly.c: Same.
 997         * graphite-scop-detection.c: Same.
 998         * graphite-sese-to-poly.c: Same.
 999         * graphite.c: Same.
1000         * lambda-code.c: Same.
1001         * matrix-reorg.c: Same.
1002         * tree-data-ref.c: Same.
1003         * tree-if-conv.c: Same.
1004         * tree-loop-distribu: Same.: Same.
1005         * tree-loop-linear.c: Same.
1006         * tree-parloops.c: Same.
1007         * tree-predcom.c: Same.
1008         * tree-vect-patterns.c: Same.
1009
1010 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         Partially revert the previous patch, except the following.
1013         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1014         as parameters the operands of the not expression.
1015
1016 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1019         Do not call analyze_scalar_evolution on assignments.
1020         (instantiate_scev_phi): Call analyze_scalar_evolution.
1021         (instantiate_scev_name): Call instantiate_scev_assign and
1022         instantiate_scev_phi.
1023         (instantiate_scev_not): Adapted to pass as parameters the operands
1024         of the not expression.
1025
1026 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1029         to pass as parameters the operands of the binary expression.
1030
1031 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1032
1033         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1034         instantiate_scev_not.  Handle NEGATE_EXPR.
1035         (instantiate_scev_r): Handle NEGATE_EXPR.
1036
1037 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1040         instantiate_scev_r.
1041         (instantiate_scev_r): Move code in instantiate_scev_2
1042         and instantiate_scev_1.
1043
1044 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1045
1046         * tree-scalar-evolution.c (instantiate_scev_3): New.
1047         (instantiate_scev_1): Move code in instantiate_scev_3.
1048
1049 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1052         (instantiate_scev_1): Move code in instantiate_scev_poly.
1053
1054 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1057         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1058
1059 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1062         (instantiate_scev_1): Move code in instantiate_scev_convert.
1063
1064 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1067         (instantiate_scev_1): Move code in instantiate_scev_binary.
1068
1069 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * tree-scalar-evolution.c (instantiate_scev_name): New.
1072         (instantiate_scev_1): Move code in instantiate_scev_name.
1073
1074 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1075
1076         * Merge from mainline (150992:151171).
1077
1078 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-dependences.c (graphite_legal_transform_bb): Call
1081         pbb_remove_duplicate_pdrs.
1082         * graphite-poly.c (can_collapse_pdr): Removed.
1083         (pdr_find_duplicate): Removed.
1084         (can_collapse_pdrs): New.
1085         (pbb_remove_duplicate_pdrs): New.
1086         (new_poly_dr): Do not look for duplicates.
1087         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1088         (PBB_PDR_DUPLICATES_REMOVED): New.
1089         (pbb_remove_duplicate_pdrs): Declared.
1090
1091 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1092
1093         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1094         the strides by multiplying by PDR_NB_REFS.
1095         * graphite-poly.c (can_collapse_pdr): New.
1096         (pdr_find_duplicate): New.
1097         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1098         Initialize PDR_NB_REFS.
1099         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1100         (PDR_NB_REFS): New.
1101         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1102
1103 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1104
1105         Revert one of the previous commits:
1106         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1107         the computation of symmetric data dependence relations.
1108         (dependency_between_pbbs_p): Same.
1109
1110 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         PR middle-end/40965
1113         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1114         any transform.
1115
1116 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-dependences.c (pddr_original_scattering): Return NULL
1119         for read-read dependence relations.
1120         * graphite-poly.h (enum poly_dr_type): Fix comment.
1121         (pdr_read_p): New.
1122         (pdr_write_p): New.
1123         (pdr_may_write_p): New.
1124
1125 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1128         (struct poly_dr): Same.
1129         (new_poly_dr): Same.
1130         * graphite-poly.c (new_poly_dr): Same.
1131
1132 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1133             Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1136         pbb_strip_mine_time_depth.  Changed the implementation so that
1137         transformation is expressed as a transformation on
1138         time (scatttering) dimensions.  Also, ensures that the 2d+1
1139         scheduling format is preserved.
1140         (pbb_strip_mine_profitable_p): Profitability is based on the
1141         iteration number of a given time (scattering) dimension,
1142         and not on a original loop depth dimension.
1143         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1144         (pbb_do_strip_mine): Call psct_dynamic_dim.
1145         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1146         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1147         (pbb_nb_dynamic_scattering_transform): New.
1148         (psct_dynamic_dim): New.
1149
1150 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1151
1152         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1153         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1154         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1155         * graphite-interchange.c (build_linearized_memory_access): Same.
1156         (memory_stride_in_loop): Same.
1157
1158 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-dependences.c (pddr_original_scattering): New.
1161         (graphite_legal_transform_dr): Call pddr_original_scattering.
1162         (dot_deps_1): New.
1163         (dot_deps): New.
1164         * graphite-dependences.h (dot_deps): Declared.
1165         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1166         (print_pdr): Print PDR_ID.
1167         * graphite-poly.h (struct poly_dr): Add field id.
1168         (PDR_ID): New.
1169         (pbb_index): New.
1170         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1171
1172 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1175         not delete the original dependence relation.
1176
1177 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1180         the computation of symmetric data dependence relations.
1181         (dependency_between_pbbs_p): Same.
1182
1183 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1186         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1187         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1188         (free_poly_ddr): New.
1189         (pddr_is_empty): New.
1190         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1191         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1192         Remove fprintfs.
1193         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1194         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1195         * graphite-dependences.h (enum poly_dependence_kind): New.
1196         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1197         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1198         (PDRP_SINK): Renamed PDDR_SINK.
1199         (PDRP_DDP): Renamed PDDR_DDP.
1200         (PDDR_KIND): New.
1201         (free_poly_ddr): Declared.
1202         * graphite-poly.c (new_scop): Use the new hash function names.
1203         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1204         into original_pddrs.
1205         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1206
1207 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * Merge from mainline (150764:150992).
1210
1211 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1214         bounds with LT_EXPR to make niter analysis more precise on code
1215         generated by Graphite.
1216
1217 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1220         (graphite_legal_transform_bb): Same.
1221         (poly_drs_may_alias_p): Same.
1222
1223 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         PR middle-end/40981
1226         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1227         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1228
1229 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * graphite-poly.c (print_pbb): Print PBB index.
1232
1233 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * Merge from mainline (r150672:150764).
1236
1237 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * graphite-interchange.c (ppl_max_for_le): Moved...
1240         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1241         * graphite-ppl.c (ppl_max_for_le): ... here.
1242         * graphite-ppl.h (ppl_max_for_le): Declared.
1243
1244 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * Merge from mainline (r150372:150672).
1247
1248 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1249
1250         PR middle-end/40980
1251         * sese.c (convert_for_phi_arg): New.
1252         (add_guard_exit_phis): Use convert_for_phi_arg.
1253
1254         * testsuite/gfortran.dg/graphite/id-17.f: New.
1255
1256 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1259         unknown subscript upper bounds.
1260
1261         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1262
1263 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1264             Pranav Garg  <pranav.garg2107@gmail.com>
1265
1266         * graphite-interchange.c (gather_access_strides): Removed.
1267         (ppl_max_for_le): New.
1268         (build_linearized_memory_access): New.
1269         (memory_stride_in_loop): New.
1270         (pbb_interchange_profitable_p): Reimplemented.
1271         * graphite-ppl.h (ppl_new_id_map): New.
1272         (ppl_interchange): New.
1273
1274         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1275
1276 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1277
1278         * graphite-interchange.c (compute_subscript): Removed.
1279         (compute_array_size_cstr): Removed.
1280         (compute_array_size_poly): Removed.
1281         (compute_array_size): Removed.
1282         (gather_access_strides_poly): Removed.
1283         (gather_access_strides): Empty.
1284
1285 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-dependences.c (dependence_polyhedron_1): Replace
1288         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1289         (graphite_legal_transform_dr): Same.
1290         (graphite_carried_dependence_level_k): Same.
1291         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1292         Initialize PDR_NB_SUBSCRIPTS.
1293         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1294         PDR_NB_SUBSCRIPTS.
1295         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1296         (PDR_NB_SUBSCRIPTS): New.
1297         (pdr_nb_subscripts): Removed.
1298         (pdr_dim): Simplified.
1299         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1300         with PDR_NB_SUBSCRIPTS.
1301
1302 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-interchange.c (compute_array_size): Remove use of
1305         PDR_DATA_CONTAINER.
1306         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1307         Do not initialize PDR_DATA_CONTAINER.
1308         (print_pdr): Do not print PDR_DATA_CONTAINER.
1309         * graphite-poly.h (struct poly_dr): Remove data_container field.
1310         (PDR_DATA_CONTAINER): Removed.
1311         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1312         PDR_DATA_CONTAINER.
1313         (build_poly_dr): Same.
1314
1315 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1318
1319 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1320             Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1323         copy of the dependence polyhedron.  Free the temporary objects.
1324         (graphite_carried_dependence_level_k): Free unused objects before
1325         returning.
1326
1327         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1328         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1329         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1330         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1331         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1332
1333 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1336         Early return without analyzing the data dependences if no
1337         transform has been done.  Call restore_scattering if the transform
1338         is not legal.
1339         (graphite-interchange.c): Same.
1340         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1341         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1342         (apply_poly_transforms): Do not gcc_assert that
1343         the transform is legal.
1344         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1345         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1346         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1347         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1348         * graphite-poly.h (struct poly_scattering): New.
1349         (struct poly_bb): Add original, transformed, and saved fields.
1350         Remove transformed_scattering, original_scattering, nb_local_variables,
1351         and nb_scattering_transform fields.
1352         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1353         (poly_scattering_new): New.
1354         (poly_scattering_free): New.
1355         (poly_scattering_copy): New.
1356         (store_scattering_pbb): New.
1357         (store_scattering): New.
1358         (restore_scattering_pbb): New.
1359         (restore_scattering): New.
1360         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1361         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1362
1363 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1366         (print_scop): Same.
1367
1368 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * Makefile.in (graphite.o): Depends on PREDICT_H.
1371         * graphite.c: Include predict.h.
1372         (graphite_finalize): Call tree_estimate_probability.
1373         * predict.c (predict_loops): Do not call scev_initialize and
1374         scev_finalize.
1375         (tree_estimate_probability_bb): New.
1376         (tree_estimate_probability): Do not initialize loops: move that
1377         code to the driver.  Call tree_estimate_probability_bb.
1378         (tree_estimate_probability_driver): New.
1379         (pass_profile): Use tree_estimate_probability_driver.
1380         * predict.h (tree_estimate_probability): Declared.
1381
1382 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1385         * graphite-dependences.c (graphite_legal_transform): Add time to
1386         TV_GRAPHITE_DATA_DEPS.
1387         (dependency_between_pbbs_p): Same.
1388         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1389
1390 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * Merge from mainline (r149952:150372).
1393
1394 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1397         * graphite-blocking.c: Same.
1398         * graphite-clast-to-gimple.c: Same.
1399         * graphite-dependences.c: Same.
1400         * graphite-poly.c: Same.
1401         * graphite-poly.h: Same.
1402         * graphite-ppl.c: Same.
1403         * graphite-scop-detection.c: Same.
1404         * graphite-sese-to-poly.c: Same.
1405         * graphite.c: Same.
1406
1407 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1410         (remove_simple_copy_phi): New.
1411         (remove_invariant_phi): New.
1412         (simple_copy_phi_p): New.
1413         (reduction_phi_p): New.
1414         (gsi_for_ssa_name_def): New.
1415         (insert_out_of_ssa_copy): New.
1416         (insert_out_of_ssa_copy_on_edge): New.
1417         (create_zero_dim_array): New.
1418         (scalar_close_phi_node_p): New.
1419         (rewrite_close_phi_out_of_ssa): New.
1420         (rewrite_phi_out_of_ssa): New.
1421         (rewrite_reductions_out_of_ssa): New.
1422         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1423
1424         * testsuite/gcc.dg/graphite/id-11.c: New.
1425         * testsuite/gcc.dg/graphite/id-15.c: New.
1426         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1427         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1428         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1429         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1430         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1431         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1432         * testsuite/gfortran.dg/graphite/id-13.f: New.
1433         * testsuite/gfortran.dg/graphite/id-5.f: New.
1434
1435 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1438         check that nb_reductions_in_loop is zero.
1439         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1440         reduction phi nodes.
1441         (nb_reductions_in_loop): Removed.
1442         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1443         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1444         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1445         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1446         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1447
1448 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1451         statements that have an empty iteration domain.
1452         * testsuite/gfortran.dg/graphite/id-16.f: New.
1453
1454 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * tree-scalar-evolution.c (instantiate_scev_1): Return
1457         chrec_dont_know when the result is not above instantiate_below.
1458         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1459         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1460         the tree has a known scalar evolution.
1461         * testsuite/gfortran.dg/graphite/id-14.f: New.
1462         * testsuite/gfortran.dg/graphite/id-15.f: New.
1463
1464 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1467         insert_gsi.
1468         (rename_variables): Keep inserting renames after the ones already
1469         inserted.
1470
1471 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1472
1473         * graphite-sese-to-poly.c (compare_bb_depths): New.
1474         (graphite_sort_dominated_info): New.
1475         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1476         (build_scop_scattering): Fix comment.
1477
1478 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1479
1480         * graphite.c (graphite_finalize): Call print_loops instead of
1481         dump_function_to_file.
1482         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1483         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1484         loops generated in the graphite output file.
1485         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1486         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1487         * testsuite/gfortran.dg/graphite/id-12.f: New.
1488
1489 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1490
1491         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1492         Remove 2 XFAIL.
1493
1494 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1495             Tobias Grosser  <grosser@fim.uni-passau.de>
1496
1497         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1498         alias set number build alias in ACCESSES polyhedron.
1499         (build_alias_set_for_drs): New.
1500         (build_pbb_drs): Added build_alias_set_for_drs.
1501         * graphite-dependences.c (poly_drs_may_alias_p): New.
1502         (graphite_carried_dependence_level_k): Check alias information
1503         before building polyhedron.
1504
1505 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1506
1507         * Makefile.in (lambda-code.o): Fix formatting.
1508
1509 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1510
1511         * Merge from mainline (r149350-149952)
1512
1513 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1514
1515         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1516         before interchange to prepare for loop blocking.
1517
1518 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1519
1520         * graphite-poly.c (apply_poly_transforms): Add checks after every
1521         transformation.
1522         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1523         done in apply_poly_transforms.
1524
1525 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1526
1527         * graphite-dependences.c (build_lexicographically_gt_constraint):
1528         Replace RES parameter with *RES.
1529         (dependence_polyhedron_1): Pass an address of the parameter RES
1530         instead of value of RES.
1531
1532 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * graphite.c (graphite_finalize): Fix comment.
1535         (graphite_transform_loops): Reset scev info after code generation
1536         of each scop.
1537
1538 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1539
1540         * graphite.c (graphite_finalize): Call scev_reset.
1541
1542 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1545         GBB_CLOOG_IV_TYPES hash table twice.
1546         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1547         (add_condition_to_domain): Clear GMP values.
1548
1549 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-dependences.c: Fix formatting.
1552         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1553         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1554         * graphite-sese-to-poly.c: Fix formatting.
1555         * graphite.c (graphite_transform_loops): Create the hash table
1556         after the early return.
1557
1558 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * testsuite/gcc.dg/graphite/id-14.c: New.
1561         * testsuite/gcc.dg/graphite/pr40157.c: New.
1562         * testsuite/gfortran.dg/graphite/id-11.f: New.
1563
1564 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1565
1566         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1567         (build_poly_scop): Return false when there are no pbbs within
1568         loops to avoid to pass to cloog scops with no loops.
1569
1570 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1573         useless test "i % 2".
1574         (build_pbb_scattering_polyhedrons): Fix formatting.
1575         (build_poly_dr): Same.
1576         * graphite.c (graphite_transform_loops): Restructure.
1577
1578 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1579
1580         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1581         reduction_list parameter.
1582         (rewrite_all_phi_nodes_with_iv): Same.
1583         (canonicalize_loop_ivs): Same.
1584         * tree-parloops.c (struct brli): Removed.
1585         (build_reduction_list_info): Removed.
1586         (build_new_reduction): New.
1587         (analyze_reduction_list): Removed.
1588         (gather_scalar_reductions): Find reductions instead of phi
1589         nodes that can't be canonicalized.
1590         (try_create_reduction_list): Remove reduction_list parameter.
1591         (gen_parallel_loop): Same.
1592         (parallelize_loops): Remove analyze_reductions variable,
1593         initialization and free.
1594         Change reduction_list htab initialization to reduction_info
1595         elements instead of ssa names.
1596         Call try_create_reduction_list and gen_parallel_loop without
1597         analyzed_reduction argument.
1598         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1599         canonicalize_loop_ivs with one less argument.
1600         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1601
1602 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1603
1604         * graphite-dependences.c (new_poly_dr_pair): New.
1605         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1606         (new_poly_dr_pair): New.
1607         (eq_poly_dr_pair_p): New.
1608         (hash_poly_dr_pair_p): New.
1609         * graphite-dependences.h (struct poly_dr_pair): New.
1610         (eq_poly_dr_pair_p): Declared.
1611         (hash_poly_dr_pair_p): Declared.
1612         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1613         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1614         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1615         * Makefile.in (graphite-poly.o): Add dependence on
1616         graphite-dependences.h.
1617
1618 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1621         polynomials of degree > 1 pass to Graphite.
1622         * tree-chrec.c (scev_is_linear_expression): Call
1623         evolution_function_is_affine_multivariate_p.
1624         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1625
1626 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1629         Instantiate scevs varying in outer loops.
1630         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1631
1632 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1635         redundant constraint.
1636
1637 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1640         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1641         based on the file names as in the C testsuite.
1642         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1643         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1644         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1645         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1646         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1647         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1648         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1649         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1650         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1651         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1652         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1653         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1654         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1655
1656 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * sese.c (expand_scalar_variables_call): New.
1659         (expand_scalar_variables_ssa_name): Handle calls in expander.
1660
1661 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1664         Expect to see the pattern twice.
1665         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1666         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1667         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1668
1669 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * testsuite/gcc.dg/graphite/id-10.c: New.
1672         * testsuite/gcc.dg/graphite/id-12.c: New.
1673         * testsuite/gfortran.dg/graphite/id-7.f: New.
1674         * testsuite/gfortran.dg/graphite/id-8.f: New.
1675
1676 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1679         zero.
1680
1681 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1684
1685 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1688
1689 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1692         building PDR subscripts.
1693
1694 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1697         computation of array sizes.
1698
1699 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1702
1703 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1704
1705         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1706         build_pairwise_constraint, dr_equality_constraints,
1707         build_pairwise_scheduling_equality,
1708         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1709         build_lexicographically_gt_constraint, dependence_polyhedron,
1710         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1711         Move from NNC_Polyhedron to C_Polyhedron.
1712         * graphite-interchange.c (compute_array_size_poly,
1713         gather_access_strides): Dito.
1714         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1715         free_scop, pbb_number_of_iterations): Dito.
1716         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1717         pbb_dim_iter_domain, struct scop): Dito.
1718         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1719         new_Cloog_Domain_from_ppl_Polyhedron,
1720         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1721         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1722         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1723         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1724         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1725         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1726         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1727         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1728         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1729         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1730         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1731         build_scop_iteration_domain, build_poly_dr): Dito
1732
1733 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1736         run-id-*.c files.
1737         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1738
1739 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1742         positivity constraint on the symbolic number of iterations.
1743
1744 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1747
1748 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1749             Tobias Grosser  <grosser@fim.uni-passau.de>
1750
1751         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1752         (build_cloog_prog): Directly use SCOP_CONTEXT.
1753         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1754         (free_scop): Free SCOP_CONTEXT.
1755         (print_scop_context): New.
1756         (print_scop): Call print_scop_context.
1757         (debug_scop_context): New.
1758         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1759         (struct scop): Added field context.
1760         (SCOP_CONTEXT): New.
1761         * graphite-sese-to-poly.c (add_param_constraints): New.
1762         (build_scop_context): New.
1763         (build_poly_scop): Call build_scop_context.
1764
1765 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1768         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1769         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1770         * graphite-ppl.h: Include double-int.h and tree.h.
1771         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1772         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1773         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1774         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1775
1776 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1779         POINTER_PLUS_EXPR for pointer types.
1780         (clast_to_gcc_expression): Same.
1781
1782 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * graphite-poly.c (print_scattering_function): Early return when
1785         PBB_TRANSFORMED_SCATTERING is not initialized.
1786         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1787
1788 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1791         to fix bootstrap.
1792
1793 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1794
1795         * tree-parloops.c (analyze_reduction_list): Change return
1796         value to void.
1797         (try_create_reduction_list): Move the call to
1798         analyze_reduction_list to the beginining.
1799         Call reduction_phi with analyzed_reductions as argument
1800         instead of reduction_list.
1801
1802 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1803
1804         *  Merge from mainline (r148296:149346)
1805
1806 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * graphite-scop-detection.c (graphite_can_represent_init): New.
1809         (graphite_can_represent_scev): Call graphite_can_represent_init:
1810         check that the initial value does not contain multiplications of
1811         parameters.
1812         (stmt_has_simple_data_refs_p): New.
1813         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1814         (is_simple_operand): Fix formatting.
1815         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1816
1817 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * testsuite/gcc.dg/graphite/id-13.c: New.
1820         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1821         analyze_scalar_evolution, use scalar_evolution_in_region.
1822         (scan_tree_for_params_right_scev): Add extra assert.
1823         (parameter_index_in_region_1): Split from parameter_index_in_region.
1824         (idx_record_params): Use scalar_evolution_in_region.
1825         (find_params_in_bb): Same.
1826         (find_scop_parameters): Same.
1827         (build_loop_iteration_domains): Same.
1828         (create_linear_expr_from_tree): Same.
1829         * sese.c (scalar_evolution_in_region): New.
1830         * sese.h (scalar_evolution_in_region): Declared.
1831         (defined_in_sese_p): New.
1832         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1833         static anymore.
1834         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1835         Declared.
1836
1837 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1838
1839         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1840         TREE_DATA_REF_H also implies SCEV_H.
1841
1842 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1843
1844         * graphite-poly.c (print_scop_params): New.
1845         (print_scop): Call print_scop_params.
1846         (debug_scop_params): New.
1847         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1848
1849 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1850
1851         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1852         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1853         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1854         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1855         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1856         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1857
1858 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1859
1860         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1861         for dependency checking part.
1862         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1863         tests for dependency checking.
1864         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1865         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1866         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1867         flag -fdump-tree-graphite-all for autopar testsuites.
1868
1869 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1870
1871         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1872         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1873         canonicalize_loop_ivs): Moved...
1874         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1875
1876 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1877
1878         * tree-parloops.c (try_create_reduction_list): Pass an extra
1879         argument analyzed_reductions.  Call analyze_reduction_list.
1880         (gen_parallel_loop): Do not call analyze_reduction_list.
1881         (parallelize_loops): Init and finalize analyzed_reductions.
1882
1883 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1884
1885         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1886         Added flag -fno-loop-strip-mine for autopar testcase.
1887
1888 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1889
1890         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1891         transformed scattering dimension instead of unmatch orignal when
1892         calling dependence_polyhedron.
1893
1894 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1897
1898 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1901         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1902
1903 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1906         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1907         * graphite-poly.c (pbb_number_of_iterations): New.
1908         * graphite-poly.h (pbb_number_of_iterations): Declared.
1909         (pbb_iterator_dim, pbb_parameter_dim): New.
1910
1911 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1914         last commit on type of lower and upper bound of loops.
1915
1916 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1917
1918         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1919         graphite-dependences.h.
1920         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1921         (mark_bb_with_pbb): New.
1922         (get_stmtfor_depth): New.
1923         (find_pbb_via_hash): New.
1924         (dependency_in_loop_p): New.
1925         (mark_loops_parallel): New.
1926         (free_aux_in_new_loops): New.
1927         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1928         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1929         innermost loop parallel without checking.
1930         (gloog): Add parameter BB_PBB_MAPPING.
1931         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1932         (gloog): Change declaration.
1933         (mark_loop_parallel): Make extern.
1934         (free_aux_in_new_loops): Declare.
1935         (bb_pbb_map_hash): New.
1936         (eq_bb_pbb_map): New.
1937         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1938         auto parallelization when flag_graphite_force_parallel is set.
1939         (graphite_finalize): Added free_aux_in_new_loops.
1940         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1941         the innermost loop that marked parallel.  Use
1942         flag_graphite_force_parallel instead of loop->can_be_parallel.
1943         (loop_parallel_p): Move inner most checking out of function.
1944
1945 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1948         type of lower and upper bound of loops signed long int.
1949
1950 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1953         expression outside the loop.
1954
1955 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1956
1957         * gcc.dg/graphite/interchange-8.c: New.
1958
1959 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1960
1961         * gcc.dg/graphite/interchange-0.c: XFailed.
1962         * gcc.dg/graphite/interchange-5.c: XFailed.
1963         * gcc.dg/graphite/interchange-6.c: XFailed.
1964
1965 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         * graphite-interchange.c (compute_array_size_poly): The end of the
1968         recursion should return 1.
1969
1970 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * graphite-interchange.c (compute_array_size_cstr): Allow the
1973         subscript multiplier to be -1.
1974         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1975         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1976         data_container.  Initializes PDR_DATA_CONTAINER.
1977         (print_pdr_access_layout): New.
1978         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1979         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1980         data_container.
1981         (PDR_DATA_CONTAINER): New.
1982         (new_poly_dr): Update declaration.
1983         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1984         (build_poly_dr): Call pdr_add_data_dimensions.
1985
1986 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-poly.h (struct poly_dr): Fix comment.
1989         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1990         (pdr_add_memory_accesses): New.
1991         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1992
1993 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1996         (print_pbb): Add call to print_pdrs.
1997         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1998
1999 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2000             Li Feng <nemokingdom@gmail.com>
2001
2002         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2003         (dependency_between_pbbs_p): New.
2004         (lexicographically_gt_p): Assure !empty_p before polyhedron
2005         intersection assign.
2006         (build_lexicographically_gt_constraint): Correct lexicographically
2007         judging.
2008         * graphite-dependences.h: New.
2009         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2010
2011 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2014         (gloog): Print to dump_file the generated clast.
2015         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2016         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2017
2018 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * graphite-poly.c (extend_scattering): Increment
2021         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2022
2023 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * graphite-interchange.c (compute_array_size_poly): Added exit of
2026         recursion condition.  Continue iterating even after the first equality.
2027         (compute_array_size): Same.
2028
2029 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2030
2031         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2032         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2033         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2034         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2035         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2036
2037 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2040         only when the use verifies is_gimple_reg.
2041
2042 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2043
2044         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2045         Allocate scaldims after call to unify_scattering_dimensions.
2046
2047 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2048
2049         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2050
2051 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2052             Albert Cohen  <albert.cohen@inria.fr>
2053
2054         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2055         variables for the strip mining.
2056
2057 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2058             Pranav Garg  <pranav.garg2107@gmail.com>
2059
2060         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2061         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2062         (graphite-blocking.o): New rule.
2063         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2064         * graphite-blocking.c: New.
2065         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2066         flag_loop_strip_mine.
2067         (psct_scattering_dim_for_loop_depth): New.
2068         * graphite-poly.h (scop_do_strip_mine): Declared.
2069         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2070         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2071         flag_loop_strip_mine.
2072
2073 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2074
2075         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2076         a GMP value and a PPL coefficient at each iteration of a loop.
2077
2078 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2079
2080         * graphite-dependences.c (dependence_polyhedron): Do not use
2081         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2082         pbb_nb_scattering_transform.
2083         (graphite_legal_transform_dr): Same.
2084         * graphite-poly.c (extend_scattering): Same.
2085         (unify_scattering_dimensions): Same.
2086         (print_scattering_function): Same.
2087         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2088         PBB_NB_LOCAL_VARIABLES.
2089         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2090         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2091         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2092         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2093         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2094         (pbb_nb_scattering_transform): New.
2095         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2096         (psco_scattering_dim): Add assert on parameters.
2097         (psct_scattering_dim): Same.
2098         (psct_scattering_dim_for_loop_depth): Declared.
2099         (psct_local_var_dim): New.
2100         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2101         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2102         correct layout, call pbb_nb_local_vars.
2103         (psct_add_local_variable, psct_add_scattering_dimension): New.
2104         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2105         Initialize PBB_NB_SCATTERING_TRANSFORM.
2106
2107 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2110         (set_coef): Renamed ppl_set_coef.
2111         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2112
2113 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2116         test a boolean against 1.
2117         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2118         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2119         (pbb_do_interchange): Returns true when a transform has been performed.
2120         (scop_do_interchange): Same.
2121         * graphite-poly.c (apply_poly_transforms): Use the return value of
2122         scop_do_interchange.
2123         * graphite-poly.h (scop_do_interchange): Update declaration.
2124
2125 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2126
2127         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2128         after last use.
2129         * sese.c (sese_reset_aux_in_loops): New.
2130         * sese.h (sese_reset_aux_in_loops): New.
2131
2132 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2135         multiplier and multiply the constant by the multiplier.
2136         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2137         (build_poly_dr): Do not use the multiplier to define the subscript.
2138
2139 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2142         compiler's data reference.  Initialize PDR_CDR.
2143         (print_pdr): Call dump_data_reference.
2144         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2145         Add compiler_dr field.
2146         (PDR_BB): Renamed PDR_PBB.
2147         (PDR_CDR): New.
2148         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2149         GCC's data reference representation.
2150         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2151         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2152
2153 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2154
2155         * graphite-poly.c (print_scattering_function): Also print the layout.
2156         * graphite-poly.h (pbb_nb_local_vars): New.
2157
2158 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2161
2162 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2163
2164         * graphite-poly.c (print_pdr, debug_pdr): New.
2165         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2166         (PDR_BASE): Removed.
2167
2168 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2171         ltrans-{1..6,8}.c.
2172
2173 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2176         subscript identification column.
2177         (pbb_do_interchange): Print to dump_file that some loops "will be
2178         interchanged".  Rely on that chain of characters in the testcases.
2179         * gcc.dg/graphite/interchange-0.c: New.
2180         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2181         interchange-*.c files and compile them with -floop-interchange.
2182
2183 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2184
2185         * graphite-interchange.c (interchange_profitable_p): Renamed
2186         pbb_interchange_profitable_p.
2187
2188 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2189             Harsha Jagasia  <harsha.jagasia@amd.com>
2190             Pranav Garg  <pranav.garg2107@gmail.com>
2191
2192         * graphite-interchange.c (interchange_profitable_p): Make static.
2193         (pbb_interchange_loop_depths, pbb_do_interchange,
2194         scop_do_interchange): New.
2195         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2196         for flag_loop_interchange.
2197         * graphite-poly.h (scop_do_interchange): Declared.
2198         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2199         flag_loop_interchange is used.
2200
2201 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * graphite-dependences.c (dependence_polyhedron): Update use of
2204         pbb_nb_scattering_dims.
2205         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2206         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2207         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2208         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2209
2210 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2211
2212         * graphite.c: Cleanup foo.
2213
2214 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         * Merge from mainline (r143684:148293).
2217         * Disabled libpcp until it gets fixed.
2218
2219 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2220             Harsha Jagasia  <harsha.jagasia@amd.com>
2221
2222         * graphite-interchange.c: New.
2223         * Makefile.in (graphite-interchange.o): New.
2224         * graphite-poly.h (interchange_profitable_p): Declared.
2225         * graphite-ppl.h (value_max): New.
2226
2227 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2230         * graphite-poly.h: Fix some comments.
2231         (pdr_dim): New.
2232         (pdr_scop): New.
2233
2234 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2235
2236         * graphite-poly.h
2237         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2238         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2239         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2240         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2241         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2242         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2243         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2244         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2245         * graphite-clast-to-gimple.c: Same.
2246         * graphite-dependences.c: Same.
2247         * graphite-poly.c: Same.
2248         * graphite-sese-to-poly.c: Same.
2249
2250 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2253         expressions for an IV rename, as returned by clast_to_gcc_expression.
2254         (copy_renames): Rename new_name to expr.
2255         * sese.c (debug_rename_elt): Same.
2256         (get_rename): Same.
2257         (set_rename): Same.
2258         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2259         the information from the rename map.
2260         (rename_variables_in_stmt): Same.
2261         (add_loop_exit_phis): Rename new_name to expr.
2262         (insert_loop_close_phis): Same.
2263         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2264         * sese.h (struct rename_map_elt): Rename new_name to expr.
2265         (new_rename_map_elt): Same.
2266
2267 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2270         * sese.c (set_rename): Make it extern.
2271         * sese.h (set_rename): Declared.
2272
2273 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * graphite-poly.c (extend_scattering): Free values.
2276         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2277         Free iterators.
2278         (ppl_print_powerset_matrix): Same.
2279         * graphite-scop-detection.c (free_scops_1): New.
2280         (limit_scops): Call free_scops_1.
2281         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2282         (build_poly_dr): Free PPL coefficients.
2283         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2284
2285 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-dependences.c: New.
2288         * graphite-data-ref.c: Removed.
2289         * graphite-data-ref.h: Removed.
2290         * Makefile.in (graphite-data-ref.o): Removed.
2291         (graphite-dependences.o): Added.
2292         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2293         * graphite-poly.c: Same.
2294         Move the data dependence testing to graphite-dependences.c.
2295
2296 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2297
2298         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2299         from graphite_cannot_represent_loop. Code refactored.
2300         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2301
2302 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2303
2304         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2305         Cover all the testcases (not only the filtered ones).
2306
2307 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2308
2309         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2310         unnecessary check. Update comments. Move check for REAL_TYPE here.
2311         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2312         done in (stmt_simple_for_scop_p).
2313
2314 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2315
2316         * graphite.c (print_global_statistics): New.
2317         (print_graphite_scop_statistic): New.
2318         (print_graphite_statistics): New.
2319         (graphite_initialize, graphite_transform_loops): Print statistics.
2320         * graphite-scop-detection (build_scops): Print statistics.
2321         (print_graphite_scop_statistics): New.
2322         (print_graphite_statistics): New.
2323
2324 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2325
2326         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2327         (debug_clast_name_index): Removed.
2328         (debug_clast_name_indexes_1): Removed.
2329         (debug_clast_name_indexes): Removed.
2330         (clast_name_index_elt_info): Removed.
2331         (eq_clast_name_indexes): Removed.
2332         (clast_name_to_index): Removed.
2333         (new_clast_name_index): Removed.
2334         (save_clast_name_index): Removed.
2335         (save_var_name): Moved...
2336         (init_sese_params_index): Removed.
2337         (clast_name_to_gcc): Remove use of name_tree.
2338         (initialize_cloog_names): Same.
2339         (gloog): Do not call init_sese_params_index.
2340         * graphite-sese-to-poly.c (save_var_name): ...here.
2341         (parameter_index_in_region): New.
2342         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2343         (parameter_index_in_region): Removed.
2344         (is_parameter): Remove use of name_tree.
2345         * sese.h (struct name_tree): Removed.
2346         (struct sese): Remove use of name_tree.  New field params_names.
2347         (SESE_PARAMS_NAMES): New.
2348         (SESE_PARAMS): Remove duplicate.
2349         (parameter_index_in_region): Removed.
2350         (sese_nb_params): Remove use of name_tree.
2351         (struct clast_name_index): New.
2352         (new_clast_name_index): New.
2353         (clast_name_to_index): New.
2354         (save_clast_name_index): New.
2355         (debug_clast_name_index): New.
2356         (debug_clast_name_indexes_1): New.
2357         (debug_clast_name_indexes): New.
2358         (clast_name_index_elt_info): New.
2359         (eq_clast_name_indexes): New.
2360
2361 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2364         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2365         (graphite_loop_normal_form): Do not pass region.  Do not
2366         initialize SESE_OLDIVS.
2367         (build_graphite_loop_normal_form): Update call to
2368         graphite_loop_normal_form.
2369         * sese.c (debug_oldivs): Removed.
2370         (new_sese): Do not initialize SESE_OLDIVS.
2371         (free_sese): Do not free SESE_OLDIVS.
2372         (oldiv_for_loop): Removed.
2373         * sese.h (struct sese): Remove old_ivs.
2374         (SESE_OLDIVS): Removed.
2375         (oldiv_for_loop): Removed.
2376
2377 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2380         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2381         replaced by a call to newivs_to_depth_to_newiv.
2382         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2383         (clast_to_gcc_expression_red): Same.
2384         (gcc_type_for_clast_expr): Same.
2385         (gcc_type_for_clast_eq): Same.
2386         (graphite_translate_clast_equation): Same.
2387         (graphite_create_guard_cond_expr): Same.
2388         (graphite_create_new_guard): Same.
2389         (graphite_create_new_loop): Same.
2390         (build_iv_mapping): Same.
2391         (translate_clast): Same.
2392         (gloog): Same.
2393         (loop_iv_stack_patch_for_consts): Removed.  *
2394         sese.c (iv_stack_entry_is_constant): Removed.
2395         (iv_stack_entry_is_iv): Removed.
2396         (loop_iv_stack_push_iv): Removed.
2397         (loop_iv_stack_insert_constant): Removed.
2398         (loop_iv_stack_pop): Removed.
2399         (loop_iv_stack_get_iv): Removed.
2400         (loop_iv_stack_get_iv_from_name): Removed.
2401         (debug_loop_iv_stack): Removed.
2402         (free_loop_iv_stack): Removed.
2403         (loop_iv_stack_remove_constants): Removed.  *
2404         sese.h (iv_stack_entry_kind): Removed.
2405         (iv_stack_entry_data_union): Removed.
2406         (iv_stack_entry_struct): Removed.
2407         (iv_stack_entry_p): Removed.
2408         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2409         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2410         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2411         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2412         (gbb_loop_at_index): Fix indenting.
2413         (gbb_loop_index): Removed.
2414
2415 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2418         Call clast_name_to_index.
2419
2420 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2423         do not pass params.  Get params from SESE_PARAMS.
2424         (clast_to_gcc_expression): Same.
2425         (clast_to_gcc_expression_red): Same.
2426         (gcc_type_for_clast_eq): Same.
2427         (graphite_translate_clast_equation): Same.
2428         (graphite_create_new_loop): Same.
2429         * sese.c (rename_variables_in_stmt): Fix comment.
2430
2431 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2434         newivs_index.
2435         Call save_clast_name_index.
2436         (translate_clast): Pass newivs_index.
2437         (gloog): Create and free newivs_index.
2438
2439 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2442         (clast_name_index_p): New type.
2443         (debug_clast_name_index): New.
2444         (debug_clast_name_indexes_1): New.
2445         (debug_clast_name_indexes): New.
2446         (clast_name_index_elt_info): New.
2447         (eq_clast_name_indexes): New.
2448         (clast_name_to_index): New.
2449         (new_clast_name_index): New.
2450         (save_clast_name_index): New.
2451         (init_sese_params_index): New.
2452         (gloog): Call init_sese_params_index.
2453         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2454         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2455         (free_sese): Free SESE_PARAMS_INDEX.
2456         * sese.h (struct sese): Add params_index.
2457         (SESE_PARAMS_INDEX): New.
2458
2459 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2462         (graphite_create_new_loop): Pass the newivs vector.  Push the
2463         newly created IV to newivs.
2464         (translate_clast): Pass the newivs vector.
2465         (gloog): Create and destroy the newivs vector.
2466
2467 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2468
2469         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2470         (graphite_loop_normal_form): Initialize loop->aux with the unique
2471         IV that has been created.
2472
2473 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2474
2475         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2476         scev with parameters in the base part. They where forbidden
2477         exidently.
2478
2479 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2480
2481         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2482         compile options by file names.
2483         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2484         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2485         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2486         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2487
2488 2009-05-08  Li Feng <nemokingdom@gmail.com>
2489
2490         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2491         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2492         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2493         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2494
2495 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2496
2497         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2498         by final cleanup.
2499
2500 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2501
2502         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2503         allow integer constant strides.
2504         (graphite_can_represent_expr): Depend on outermost_loop.
2505         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2506         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2507         build_scops_1): Same.
2508         (scopdet_basic_block_info): Same and insert layered SCoP
2509         detection.
2510         (try_generate_gimple_bb): Cleanup.
2511         (build_scops): Enable data references.
2512
2513         * testsuite/gcc.dg/graphite/id-5.c: New.
2514         * testsuite/gcc.dg/graphite/id-9.c: New.
2515         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2516         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2517
2518 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2519
2520         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2521         that we have not yet built for this SCoP.
2522
2523 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2524
2525         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2526         for complex numbers.
2527
2528 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2529
2530         * graphite-ppl.c: Fix build if cloog is not available.
2531
2532 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2533
2534         * tree-parloops.c (loop_parallel_p): Remove construction of
2535         NITER and REDUCTION_LIST.
2536         (try_get_loop_niter): New.
2537         (try_create_reduction_list): New.
2538         (parallelize_loops): Bypass the failed checkings in autopar
2539         when can_be_parallel in loop structure is set to true.
2540
2541 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2542
2543         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2544         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2545
2546 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2547
2548         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2549         Enable EQ_EXPR and NE_EXPR again.
2550
2551 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2552
2553         * graphite-scop-detection.c (graphite_can_represent_scev):
2554         Add check if scev is affine multivariate.
2555         (harmful_stmt_in_bb): Check if we can represent the conditions.
2556         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2557         harmful_stmt_in_bb.
2558         * testsuite/gcc.dg/graphite/id-7.c: New.
2559
2560 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2561
2562         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2563         Check all bbs in region, not only the bbs that are represented in
2564         GRAPHITE.
2565         (build_poly_scop): Add newline.
2566         * testsuite/gcc.dg/graphite/id-8.c: New.
2567
2568 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2569
2570         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2571         when loop initialize.
2572         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2573         * common.opt: Declare flag_graphite_force_parallel.
2574         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2575         loop parallel.
2576         * graphite-poly.c (apply_poly_transforms): Introduce
2577         flag_graphite_force_parallel.
2578         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2579         * toplev.c (process_options): ditto and replace a not correctly
2580         encoded space.
2581
2582 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2583
2584         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2585         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2586         to the redefinition.
2587         (compute_cloog_iv_types_1): ditto.
2588         (build_iv_mapping): ditto.
2589         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2590         initialization.
2591         (free_gimple_bb): Removed GBB_LOOPS related free part.
2592         (build_bb_loops): Removed.
2593         * sese.h (struct gimple_bb): Removed loops.
2594         (GBB_LOOPS): Removed.
2595         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2596         (gbb_loop_index): ditto.
2597
2598 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2599
2600         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2601         allow non constant strides.
2602         * testsuite/gcc.dg/graphite/scop-20.c: New.
2603
2604 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2605
2606         * graphite-scop-detection.c (dot_all_scops): Fix system call
2607         return value warning.
2608         (dot_scop): Same.
2609
2610 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2613         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2614
2615 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2616
2617         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2618         build_pairwise_constraint, dr_equality_constraints,
2619         build_pairwise_scheduling_equality,
2620         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2621         build_lexicographically_gt_constraint, dependence_polyhedron,
2622         graphite_legal_transform_dr, graphite_legal_transform_bb,
2623         graphite_legal_transform): New.
2624         * graphite-poly.h (graphite_legal_transform): Declared.
2625         * graphite-sese-to-poly.c (build_poly_scop): Call to
2626         graphite_legal_transform is disabled for the moment.
2627
2628 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-poly.h (pbb_nb_scattering_dims): New.
2631         (pbb_nb_scattering): Use it.
2632
2633 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2636         Pointset_Powerset version of ppl_insert_dimensions.
2637         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2638
2639 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2640
2641         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2642
2643 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * graphite-poly.h: Fix comment.
2646
2647 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2648
2649         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2650
2651 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2652
2653         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2654         statements.
2655
2656 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2657
2658         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2659         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2660         conditions.
2661
2662 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2663
2664         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2665         handle EQ_EXPR and NE_EXPR.
2666
2667 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2668
2669         * graphite-poly.h (poly_dr): Fix comment.
2670
2671 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2672             Tobias Grosser  <grosser@fim.uni-passau.de>
2673
2674         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2675         with a zero dimension polyhedron.
2676         (find_scop_parameters): Move the call to scop_set_nb_params here.
2677         (build_loop_iteration_domains): Store in loop->aux the iteration
2678         domain polyhedron.
2679         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2680         by any loop in scop.
2681         (build_poly_scop): Do not call scop_set_nb_params.
2682
2683 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2684             Tobias Grosser  <grosser@fim.uni-passau.de>
2685
2686         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2687         add_condition_to_domain not GT_EXPR.
2688
2689 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2690
2691         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2692         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2693         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2694         upper_bound_assign to calculate unions.
2695         * testsuite/gcc.dg/graphite/id-6.c: New.
2696
2697 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2698
2699         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2700         handle abnormal edges.
2701
2702 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2703
2704         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2705         (free_poly_bb): Also free poly_drs.
2706         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2707         (poly_dr): Polyhedron to Pointset_Powerset.
2708         (pdr_accessp_nb_subscripts): Same.
2709         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2710         poly_drs.
2711
2712 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2715         names into more meaningful names.
2716
2717 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2720         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2721
2722 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2725         the reduction_list.
2726         * tree-parloops.c (rewrite_phi_with_iv): New.
2727         (rewrite_all_phi_nodes_with_iv): New.
2728         (canonicalize_loop_ivs): Call them.
2729
2730 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2733         graphite_find_data_references_in_stmt.
2734         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2735         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2736
2737 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2740
2741 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2744         instead of bb_in_region.
2745         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2746         (build_sese_conditions): Use flag_bb_in_sese.
2747         * sese.c (register_bb_in_sese): Removed.
2748         (new_sese): Remove initialization of SESE_REGION_BBS.
2749         (free_sese): Do not free SESE_REGION_BBS.
2750         * sese.h (struct sese): Remove field region_basic_blocks.
2751         (SESE_REGION_BBS): Removed.
2752         (bb_in_sese_p): Implement in function of bb_in_region.
2753
2754 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2757         loops.
2758
2759 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2760
2761         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2762         and EQ_EXPR.
2763         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2764         (add_condition_to_domain): New.
2765         (add_condition_to_pbb): New.
2766         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2767         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2768
2769 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2770
2771         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2772         ppl_Pointset_Powerset.
2773         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2774         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2775         (pbb_nb_loops): Same.
2776         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2777         add_conditions_to_domain): Same.
2778         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2779         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2780         ppl_const_Polyhedron_t.
2781         (ppl_print_powerset_matrix): New.
2782         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2783         ppl_print_powerset_matrix): New.
2784         (ppl_print_polyhedron_matrix): Updated.
2785
2786 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2787
2788         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2789
2790 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2793         (print_iteration_domains, debug_iteration_domain,
2794         debug_iteration_domains): New.
2795         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2796         debug_iteration_domains): Declared.
2797         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2798         indenting.
2799
2800 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2801             Sebastian Pop  <sebastian.pop@amd.com>
2802
2803         * graphite-poly.h (print_iteration_domain): New.
2804         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2805         (build_sese_conditions_1, build_sese_conditions_after,
2806         build_sese_conditions_before): New.
2807         (build_sese_conditions): Rewritten.
2808
2809 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2810             Tobias Grosser  <grosser@fim.uni-passau.de>
2811
2812         Cleanup of code generation liveouts.
2813         * graphite-clast-to-gimple.c (translate_clast): Use a single
2814         rename_map instead of one per translated statement.
2815         Do not use SESE_LIVEOUT_RENAMES.
2816         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2817         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2818         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2819         phi node of a reduction: when a loop contains a reduction used outside
2820         the loop, there should be a scalar close phi node on the exit block.
2821         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2822         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2823         (free_sese): Do not free them.
2824         (sese_build_liveouts_use): Do not use them.
2825         (sese_build_liveouts_bb): Same.
2826         (sese_build_liveouts): Same.
2827         (sese_insert_phis_for_liveouts): Same.
2828         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2829         (defined_in_loop_p): New.
2830         (alive_after_loop): New.
2831         (close_phi_not_yet_inserted_p): New.
2832         (struct alep, alep_p): New.
2833         (add_loop_exit_phis): Remove from the rename_map all the names defined
2834         in the code generated loop.
2835         (insert_loop_close_phis): Traverse the rename_map passed to it.
2836         Don't use SESE_LIVEOUT_RENAMES.
2837         (default_liveout_before_guard): Renamed default_before_guard.
2838         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2839         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2840         (register_sese_liveout_renames): Removed.
2841         (copy_bb_and_scalar_dependences): Do not call it.
2842         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2843         reduction_list.
2844         (SESE_LIVEOUT): Removed.
2845         (SESE_LIVEOUT_RENAMES): Removed.
2846         (SESE_REDUCTION_LIST): Removed.
2847         (sese_build_liveouts): Removed.
2848         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2849         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2850         (insert_guard_phis): Same.
2851         (rename_map_elt): Declare a VEC of them.
2852         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2853         trees not pointers to trees.
2854
2855         Rewrite in canonical close SSA form:
2856         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2857         (limit_scops): Close the scop after the block containing the close phi
2858         nodes.
2859         (canonicalize_loop_closed_ssa): New.
2860         (canonicalize_loop_closed_ssa_form): New.
2861         (build_scops): Call canonicalize_loop_closed_ssa_form.
2862
2863         * graphite-sese-to-poly.c: Fix typos.
2864
2865 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2868         Extended.
2869         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2870         (print_pbb): Add conditions.
2871
2872 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2873             Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2876         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2877         (build_scop_bbs_1): New.
2878         (build_scop_bbs): Rewrite.
2879         * sese.h (bb_in_region): New.
2880
2881 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2882
2883         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2884         poly_drs vector.
2885         (print_scop): Style.
2886         * graphite-poly.h (poly_bb): Add drs vector.
2887         (PBB_DRS): Add accessor.
2888         * graphite-sese-to-poly.c (build_poly_dr): New.
2889         (build_pbb_drs, build_scop_drs): New.
2890         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2891
2892 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2893
2894         * tree-ssa-loop.c: Include forgotten toplev.h
2895
2896 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2897
2898         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2899         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2900         * testsuite/gcc.dg/graphite/pr37928.c: Same
2901         * testsuite/gcc.dg/graphite/pr38409.c: Same
2902         * testsuite/gcc.dg/graphite/pr38498.c: Same
2903         * testsuite/gcc.dg/graphite/pr38559.c: Same
2904         * testsuite/gcc.dg/graphite/pr39335.c: Same
2905         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2906         * testsuite/gfortran.dg/graphite/block-2.f: Same
2907         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2908         with -floop-*.
2909
2910 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2911
2912         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2913         build_access_matrix, build_scop_data_accesses): Remove access function
2914         building. (We get a new version soon).
2915         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2916         * sese.h (nb_loops_around_loop_in_sese): Remove.
2917         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2918
2919 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2920             Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite-scop-detection.c (struct scopdet_info): Rename last
2923         field to exit.
2924         (scopdet_basic_block_info, build_scops_1): Don't use
2925         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2926
2927 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2928             Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2931         * sese.c (sese_build_liveouts_use): Renamed from
2932         sese_build_livein_liveouts_use. Remove liveins.
2933         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2934         Call sese_build_liveouts_use.
2935         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2936         Call sese_build_liveouts_bb.
2937         (new_sese, free_sese): Remove liveins.
2938         (sese_add_exit_phis_var): Deleted.
2939         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2940         directly.
2941         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2942
2943         * sese.h (sese): Remove num_ver and livein.
2944         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2945
2946 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2947
2948         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2949
2950 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2951
2952         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2953         (build_scop_scattering): Do not use compare_prefix_loops any more.
2954         (nb_common_loops): New.
2955
2956 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2959         (register_old_and_new_names): Renamed set_rename.
2960
2961 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2964         of the decl from the previous commit.
2965
2966 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite-scop-detection.c (dot_scop): New.
2969         * graphite-scop-detection.h (dot_scop): Declared.
2970
2971 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2974
2975 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2976
2977         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2978         condition at the end of the loop.
2979         * graphite.c (graphite_initialize, graphite_finalize): Print to
2980         dump_file the compiled function.
2981         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2982         of create_empty_loop_on_edge.
2983         (translate_clast): Update the code generation of loops for the new
2984         shape of loops.
2985         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2986
2987 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2988
2989         Reverted the patch from 2009-03-19.
2990
2991 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2992
2993         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2994         poly_drs vector.
2995         (print_scop): Style.
2996         * graphite-poly.h (poly_bb): Add drs vector.
2997         (PBB_DRS): Add accessor.
2998         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2999         (build_access_matrix_with_af, build_access_matrix,
3000         build_scop_data_accesses): Delete.
3001         (build_poly_dr): New.
3002         (build_pbb_drs, build_scop_drs): New.
3003         (build_poly_scop): call build_scop_drs.
3004
3005 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3008         once per basic block.
3009
3010 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3011
3012         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3013         (graphite_can_represent_expr): Renamed from loop_affine_expr
3014         and enhanced.
3015         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3016         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3017         (scopdet_basic_block_info): Actually define entry_block.
3018         (stmt_simple_memref_p): Moved here from ...
3019
3020         * tree-data-ref.c (stmt_simple_memref_p): here.
3021         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3022
3023 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3024
3025         * testsuite/gcc.dg/graphite/id-4.c: New.
3026
3027 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3030         (register_old_and_new_names): Update the content of the map.
3031         When there was already a rename_map_elt in the map at that
3032         location, free it.
3033         (copy_bb_and_scalar_dependences): Do rename_variables after
3034         expand_scalar_variables.
3035         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3036         of the map.  When there was already a rename_map_elt in the
3037         map at that location, free it.
3038         (translate_clast): Pass the rename_map.  Do not initialize and free
3039         a rename_map per stmt_user.
3040         (gloog): Initialize and free one rename_map and pass it to
3041         translate_clast.
3042
3043 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3044
3045         * sese.c (expand_scalar_variables_stmt,
3046         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3047         parameter.
3048         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3049         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3050         the gimple_stmt_iterator of the statement to be expanded.
3051         * graphite-scop-detection.c (is_simple_operand): Do handle
3052         REALPART_EXPR.
3053
3054 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3055
3056         * graphite-scop-detection.c (is_simple_operand): Do not handle
3057         REALPART_EXPR.
3058         * testsuite/gcc.dg/graphite/id-2.c: New.
3059
3060         * graphite-sese-to-poly.c (build_bb_loops,
3061         add_value_to_dim, scan_tree_for_params_right_scev,
3062         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3063         find_params_in_bb, build_loop_iteration_domains,
3064         add_conditions_to_domain): Remove subtract.
3065
3066 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3067
3068         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3069         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3070         pbb_loop_at_index -> gbb_loop_at_index.
3071         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3072         (debug_loop_vec): Delete.
3073         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3074         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3075         (PBB_LOOPS): Removed.
3076         (PBB_BLACK_BOX): Insert cast.
3077         (pbb_set_black_box): New setter.
3078         (pbb_loop_at_index, pbb_loop_index): Removed.
3079         (scop_set_region, scop_set_nb_params): New.
3080         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3081         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3082         (build_poly_scop): Use scop_set_nb_params.
3083         * sese.h (gimple_bb): Add LOOPS.
3084         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3085
3086 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3087
3088         Revert previous commit.
3089
3090 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3091
3092         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3093         (register_old_and_new_names): Update the content of the map.
3094         When there was already a rename_map_elt in the map at that
3095         location, free it.
3096         (copy_bb_and_scalar_dependences): Do rename_variables after
3097         expand_scalar_variables.
3098         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3099         of the map.  When there was already a rename_map_elt in the
3100         map at that location, free it.
3101         (translate_clast): Pass the rename_map.  Do not initialize and free
3102         a rename_map per stmt_user.
3103         (gloog): Initialize and free one rename_map and pass it to
3104         translate_clast.
3105
3106 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3107
3108         Remove forgotten line in revert.
3109
3110 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         Revert previous commit.
3113
3114 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * sese.c (register_old_and_new_names): Update the content
3117         of the map.  When there was already a rename_map_elt in the
3118         map at that location, free it.
3119         (copy_bb_and_scalar_dependences): Do rename_variables after
3120         expand_scalar_variables.
3121         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3122         of the map.  When there was already a rename_map_elt in the
3123         map at that location, free it.
3124         (translate_clast): Pass the rename_map.  Do not initialize and free
3125         a rename_map per stmt_user.
3126         (gloog): Initialize and free one rename_map and pass it to
3127         translate_clast.
3128
3129 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3130
3131         * graphite-clast-to-gimple.c (translate_clast): context_loop
3132         is never NULL.
3133
3134 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3135             Sebastian Pop  <sebastian.pop@amd.com>
3136
3137         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3138         of the use of ppl_Polyhedron_map_space_dimensions.
3139
3140 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3141             Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3144         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3145         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3146         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3147         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3148         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3149         pbb_nb_params): New.
3150         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3151         nb_loops_around_pbb): Adapt return types.
3152
3153 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3154
3155         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3156         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3157         graphite-scop-detection.o, graphite-poly.o): Add
3158         more headers.
3159
3160 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3161
3162         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3163         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3164         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3165
3166 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3167
3168         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3169         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3170         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3171         * testsuite/gcc.dg/graphite/block-0.c: Same.
3172         * testsuite/gcc.dg/graphite/block-1.c: Same.
3173         * testsuite/gcc.dg/graphite/block-2.c: Same.
3174         * testsuite/gcc.dg/graphite/block-3.c: Same.
3175         * testsuite/gcc.dg/graphite/block-4.c: Same.
3176         * testsuite/gcc.dg/graphite/block-5.c: Same.
3177         * testsuite/gcc.dg/graphite/block-6.c: Same.
3178         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3179         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3180         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3181         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3182         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3183         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3184         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3185         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3186         * opts.c: Remove -floop-block from -O2.
3187         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3188         -floop-strip-mine are used.
3189
3190 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3191             Sebastian Pop  <sebastian.pop@amd.com>
3192
3193         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3194         dimensions.
3195         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3196         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3197         strip_mine_profitable_p, is_interchange_valid,
3198         graphite_trans_bb_block, graphite_trans_loop_block,
3199         graphite_trans_scop_block): Temporary removed.
3200         (extend_scattering, unify_scattering_dimensions): New.
3201         (print_scattering_function, graphite_read_transforms):
3202         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3203         (graphite_generate_scattering_fns): Removed.
3204         (apply_poly_transforms): Cleanup.
3205         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3206         (schedule_to_scattering): Moved.
3207         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3208         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3209         (pbb_nb_scattering): New.
3210         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3211         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3212         Removed.
3213         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3214         shift_poly.
3215         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3216         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3217         -> PBB_TRANSFORMED_SCATTERING.
3218         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3219         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3220         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3221         (check_poly_representation): Do not return bool.
3222         (graphite_transform_loops): Reformat.
3223         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3224
3225 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3226
3227         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3228         debug_pbb_domain, debug_pbb, debug_scop): New.
3229         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3230         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3231
3232 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         PR middle-end/39335
3235         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3236         when the type precision of the induction variable should be
3237         larger than the type precision of nit.
3238         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3239         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3240         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3241
3242         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3243         * testsuite/gcc.dg/graphite/pr39335.c: New.
3244
3245 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3246
3247         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3248         SSA_NAMES not struct reduction_info.
3249
3250 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3253
3254 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3255             Tobias Grosser  <grosser@fim.uni-passau.de>
3256
3257         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3258         (free_sese): Free SESE_REDUCTION_LIST.
3259         * sese.h (struct sese): Add field reduction_list.
3260         (SESE_REDUCTION_LIST): New.
3261         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3262         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3263
3264 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3265             Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3268         of loop_p.
3269
3270 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3271             Tobias Grosser  <grosser@fim.uni-passau.de>
3272
3273         * tree-parloops.c (struct brli, build_reduction_list_info,
3274         analyze_reduction_list, gather_scalar_reductions): New.
3275         (loop_parallel_p): Build a reduction list containing only
3276         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3277         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3278         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3279         * tree-flow.h (gather_scalar_reductions): Declared.
3280
3281 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         PR middle-end/39308
3284         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3285         number_of_iterations_exit from a gcc_assert.
3286
3287 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3288             Jan Sjodin  <jan.sjodin@amd.com>
3289
3290         * output.h (graphite_out_file, graphite_in_file): Declared.
3291         * toplev.c (graphite_out_file, graphite_in_file): New.
3292         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3293         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3294         Don't call schedule_to_scattering.
3295         * common.opt (fgraphite-write, fgraphite-read): New.
3296         * graphite-poly.c: Include output.h.
3297         (print_scattering_function, print_scattering_functions,
3298         debug_scattering_function, debug_scattering_functions,
3299         graphite_write_transforms, graphite_read_transforms,
3300         graphite_generate_scattering_fns): New.
3301         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3302         Call graphite_generate_scattering_fns, graphite_write_transforms,
3303         graphite_read_transforms.
3304         (new_poly_bb): Initialize PBB_SCATTERING.
3305         (free_poly_bb): Free PBB_SCATTERING.
3306         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3307         * graphite-poly.h (struct poly_bb): Add field scattering.
3308         (PBB_SCATTERING): New.
3309         (print_scattering_function, print_scattering_functions,
3310         debug_scattering_function, debug_scattering_functions): Declared.
3311         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3312         GMP values, not integers!
3313         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3314         ppl_read_polyhedron_matrix): New.
3315         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3316         debug_ppl_polyhedron_matrix,
3317         ppl_read_polyhedron_matrix): Declared.
3318         * Makefile.in (graphite-poly.o): Depends on output.h.
3319
3320 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3321             Tobias Grosser  <grosser@fim.uni-passau.de>
3322
3323         Revert this change:
3324         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3325         scalar evolutions in the scop_entry->loop_father.
3326
3327 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3328             Tobias Grosser  <grosser@fim.uni-passau.de>
3329
3330         * graphite.h (ref_nb_loops): Remove declaration.
3331         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3332         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3333         debug_gbb): Moved to sese.h.
3334         * sese.h: As said.
3335
3336 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3337             Tobias Grosser  <grosser@fim.uni-passau.de>
3338
3339         * graphite-data-ref.[ch]: Disable.
3340
3341 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3342             Tobias Grosser  <grosser@fim.uni-passau.de>
3343
3344         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3345         scalar evolutions in the scop_entry->loop_father.
3346
3347 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3348
3349         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3350         (graphite_cannot_represent_loop_niter): Renamed
3351         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3352         (limit_scops): build_sese_loop_nests does not return a bool.
3353         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3354         * sese.c (nb_reductions_in_loop): ... from here.
3355         (graphite_loop_normal_form): ... from here.
3356         (sese_record_loop): Does not fail, so does not return a bool.
3357         (build_sese_loop_nests): Same.
3358         * sese.h (build_sese_loop_nests): Update declaration.
3359         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3360         (build_graphite_loop_normal_form): New.
3361         (gloog): Call build_graphite_loop_normal_form.
3362         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3363         build_sese_loop_nests.
3364
3365         * testsuite/gcc.dg/graphite/id-1.c: New.
3366
3367 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3368             Tobias Grosser  <grosser@fim.uni-passau.de>
3369
3370         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3371         The SCoP detection fix is sufficient.
3372
3373 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         PR tree-optimization/39260
3376         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3377         the basic block contains a condition with a real type.
3378         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3379
3380         * gcc.dg/graphite/pr39260.c: New.
3381
3382 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3383
3384         * graphite-poly.c: Inlcude params.h.
3385         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3386         the size of a tile.
3387         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3388         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3389
3390 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3391             Tobias Grosser  <grosser@fim.uni-passau.de>
3392
3393         * graphite-scop-detection.c (dot_all_scops_1,
3394         dot_all_scops): Moved here.
3395         * graphite-scop-detection.h (dot_all_scops): Declared here.
3396         * graphite.c (graphite_initialize, graphite_finalize): New.
3397         (graphite_transform_loops): Cleaned up.
3398         * sese.c (debug_oldivs): Moved here.
3399         * graphite-poly.c (graphite_apply_transformations): Renamed
3400         apply_poly_transforms.
3401         (debug_loop_vec): Moved here.
3402         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3403         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3404         find_scop_parameters, build_scop_iteration_domain,
3405         add_conditions_to_constraints, build_scop_canonical_schedules,
3406         build_scop_data_accesses): Now static.
3407         (build_poly_scop, check_poly_representation): New.
3408
3409 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3412         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3413         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3414         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3415         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3416         scan_tree_for_params, struct irp_data, dx_record_params,
3417         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3418         build_loop_iteration_domains, add_conditions_to_domain,
3419         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3420         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3421         build_sese_conditions, add_conditions_to_constraints,
3422         build_scop_iteration_domain, build_access_matrix_with_af,
3423         build_access_matrix,
3424         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3425
3426         * graphite-sese-to-poly.c: New.
3427         * graphite-sese-to-poly.h: New.
3428
3429         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3430
3431 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3432
3433         * graphite.c: Split graphite code generation to a new file.
3434         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3435         max_precision_type, clast_to_gcc_expression_red,
3436         clast_to_gcc_expression, gcc_type_for_clast_expr,
3437         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3438         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3439         graphite_create_new_guard, clast_get_body_of_loop,
3440         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3441         graphite_create_new_loop, build_iv_mapping, copy_renames,
3442         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3443         compute_cloog_iv_types, free_scattering, save_var_name,
3444         initialize_cloog_names, build_scop_context, build_cloog_prog,
3445         set_cloog_options, debug_clast_stmt, scop_to_clast,
3446         print_generated_program, debug_generated_program,
3447         gloog): Moved to graphite-clast-to-gimple.c.
3448
3449         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3450
3451         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3452         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3453         loop_iv_stack_pop, loop_iv_stack_get_iv,
3454         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3455         free_loop_iv_stack, loop_iv_stack_remove_constants,
3456         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3457         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3458         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3459         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3460         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3461         get_vdef_before_sese, sese_adjust_vphi,
3462         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3463         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3464         is_iv, expand_scalar_variables_ssa_name,
3465         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3466         expand_scalar_variables, rename_variables, remove_condition,
3467         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3468         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3469         default_liveout_before_guard, add_guard_exit_phis,
3470         insert_guard_phis, register_old_and_new_names,
3471         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3472         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3473         if_region_set_false_region, create_if_region_on_edge,
3474         move_sese_in_condition): Moved to sese.c.
3475
3476         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3477         if_region_exit, if_region_get_condition_block,
3478         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3479         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3480         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3481         ivtype_map_elt, new_ivtype_map_elt,
3482         recompute_all_dominators): Moved to sese.h.
3483
3484         * graphite-clast-to-gimple.c: New.
3485         * graphite-clast-to-gimple.h: New.
3486         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3487         * sese.c: Modified as said above.
3488         * sese.h: Same.
3489
3490 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3491
3492         * graphite.c: Split scop detection to a new file.
3493         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3494         move_sd_regions, loop_affine_expr, exclude_component_ref,
3495         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3496         graphite_cannot_represent_loop_niter, struct scopdet_info,
3497         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3498         find_single_entry_edge, find_single_exit_edge,
3499         create_single_entry_edge, sd_region_without_exit,
3500         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3501         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3502         Moved to graphite-scop-detection.c.
3503
3504         * graphite-scop-detection.c: New.
3505         * graphite-scop-detection.h: New.
3506         * Makefile.in: Add new rule for graphite-scop-detection.o.
3507
3508         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3509         tree-scalar-evolution.h.
3510         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3511         build_sese_loop_nests): Moved here from graphite.c.
3512         (param_index): Renamed parameter_index_in_region.
3513
3514 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3515             Sebastian Pop  <sebastian.pop@amd.com>
3516
3517         * gcc.dg/graphite/block-0.c: Expected to fail now.
3518         * gcc.dg/graphite/block-1.c: Same.
3519         * gcc.dg/graphite/block-5.c: Same.
3520         * gcc.dg/graphite/block-6.c: Same.
3521
3522 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3523             Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         * graphite.h: Separate from graphite_bb_p the polyhedral
3526         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3527         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3528         graphite-data-ref.h.
3529         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3530         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3531         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3532         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3533         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3534         scop_nb_params): Moved to graphite-poly.h.
3535         * graphite-data-ref.c: Same.
3536         * graphite-data-ref.h: New.
3537         * graphite.c: Same.
3538         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3539         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3540         is_interchange_valid, graphite_trans_bb_block,
3541         graphite_trans_loop_block, scop_max_loop_depth,
3542         graphite_trans_scop_block, graphite_apply_transformations,
3543         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3544         graphite-poly.c.
3545         * graphite-poly.h: New.
3546         * graphite-poly.c: New.
3547         * Makefile.in (OBJS-common): Add graphite-poly.o.
3548         (graphite-poly.o): New rule.
3549         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3550         (DR_SCOP): Removed.
3551
3552 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3553             Tobias Grosser  <grosser@fim.uni-passau.de>
3554
3555         * graphite.c: Replace gb -> gbb.
3556         * graphite.h: Same.
3557         * graphite-data-ref.c: Same.
3558
3559 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3560             Tobias Grosser  <grosser@fim.uni-passau.de>
3561
3562         * Makefile.in (OBJS-commmon): Add sese.o.
3563         (sese.o): New.
3564         (graphite.o): Add sese.h.
3565         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3566         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3567         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3568         Move to sese.
3569         (block_before_scop): Add missing return.
3570         (new_scop, free_scop): Remove SESE data structures.
3571         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3572         find_scop_parameters, build_loop_iteration_domains,
3573         add_conditions_to_domain, register_scop_liveout_renames,
3574         copy_bb_and_scalar_dependences): Scop -> SESE.
3575
3576         (add_conditions_to_domain): SCoP -> SESE and remove check
3577         (scop_contains_non_iv_scalar_phi_nodes): New.
3578         (build_scop_conditions_1, build_scop_conditions): Remove check for
3579         non iv scalar phi nodes.
3580         (print_scop_statistics): New.
3581         (graphite_transform_loops): Cleanup.
3582
3583         * graphite.h: Move to sese & cleanup.
3584         * sese.c: New.
3585         * sese.h: New.
3586
3587 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3588             Tobias Grosser  <grosser@fim.uni-passau.de>
3589
3590         * graphite.c (build_scop_conditions_1): Conditions are only
3591         at the end of a basic block.
3592
3593 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3594             Tobias Grosser  <grosser@fim.uni-passau>
3595
3596         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3597         field.
3598         (GBB_ALPHA): Removed.
3599
3600 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3601             Tobias Grosser  <grosser@fim.uni-passau.de>
3602
3603         * graphite-data-ref.c (graphite_test_dependence): Don't use
3604         GBB_DYNAMIC_SCHEDULE.
3605         * graphite.c (new_graphite_bb): Same.
3606         (free_graphite_bb): Same.
3607         (build_scop_dynamic_schedules): Removed.
3608         (graphite_transform_loops): Don't call it.
3609         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3610         (GBB_DYNAMIC_SCHEDULE): Removed.
3611
3612 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3613             Tobias Grosser  <grosser@fim.uni-passau.de>
3614
3615         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3616         (print_graphite_bb): Same.
3617         (build_cloog_prog): Same.
3618
3619 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3620             Tobias Grosser  <grosser@fim.uni-passau.de>
3621
3622         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3623
3624 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3625             Tobias Grosser  <grosser@fim.uni-passau.de>
3626
3627         * graphite.c (build_scop_context): Don't use CloogMatrix.
3628         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3629         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3630
3631 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3632             Tobias Grosser  <grosser@fim.uni-passau.de>
3633
3634         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3635         liveout_renames, add_params fields...
3636         (struct sese): ... here.
3637         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3638         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3639
3640 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3641             Tobias Grosser  <grosser@fim.uni-passau.de>
3642
3643         * graphite.c (print_scop): Do not print the CLooG program.
3644         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3645         build_cloog_prog, gloog): Don't use SCOP_PROG.
3646         (find_transform): Renamed scop_to_clast.
3647         (print_generated_program, debug_generated_program): New.
3648         (graphite_transform_loops): Adapt to new interface.
3649         * graphite.h (struct scop): Remove program field.
3650         (SCOP_PROG): Removed.
3651         (print_generated_program, debug_generated_program): Declared.
3652
3653 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3654
3655         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3656         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3657         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3658         free_graphite_bb, build_scop_canonical_schedules,
3659         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3660         schedules are now represented using a ppl_Linear_Expression_t.
3661         * graphite.h (struct graphite_bb): Same.
3662         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3663         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3664
3665 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         * graphite.c: Free local memory.
3668         * graphite-ppl.c: Same.
3669
3670 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3671
3672         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3673         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3674         swap_constraint_variables, scale_constraint_variable): Removed.
3675         (graphite_trans_bb_strip_mine): Remove pong.
3676         * graphite-ppl.c: Include missing header files.
3677         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3678         * graphite-ppl.h (ppl_strip_loop): Declared.
3679         * Makefile.in (graphite-ppl.o): Adjust dependences.
3680
3681 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3684         (build_scop_iteration_domain): Same.
3685
3686 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3689         ping pong.
3690         (add_value_to_dim, scan_tree_for_params_right_scev,
3691         scan_tree_for_params_int): New.
3692         * graphite-ppl.c (oppose_constraint): New.
3693         (insert_constraint_into_matrix): Implement missing cases.
3694         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3695
3696 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3697
3698         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3699         use ppl_move_dimension.
3700
3701 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3704         * graphite.c: Same.
3705         * graphite.h: Same.
3706         * graphite-ppl.c: Same.
3707         * graphite-ppl.h: Same.
3708
3709 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         Revert last 3 commits.
3712
3713 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3716         ping pong.
3717         (add_value_to_dim, scan_tree_for_params_right_scev,
3718         scan_tree_for_params_int): New.
3719         * graphite-ppl.c (oppose_constraint): New.
3720         (insert_constraint_into_matrix): Implement missing cases.
3721         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3722
3723 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3724
3725         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3726
3727 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3728             Tobias Grosser  <grosser@fim.uni-passau.de>
3729
3730         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3731         use ppl_move_dimension.
3732         * graphite-ppl.c (ppl_move_dimension): New.
3733         * graphite-ppl.h (ppl_move_dimension): Declared.
3734
3735 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3736
3737         * graphite.c: Do not include cloog/cloog.h.
3738         (print_graphite_bb): Remove ping pong, call PPL print function.
3739
3740 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3741
3742         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3743         (graphite.o): Add dependence on graphite-ppl.h.
3744         (graphite-ppl.o): New.
3745         (graphite-data-ref.c): Ping pong between PPL data structures
3746         and matrices.
3747         * graphite-ppl.c: New.
3748         * graphite-ppl.h: New.
3749         * graphite.c: Include graphite-ppl.h.
3750         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3751         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3752         Ping pong between PPL data structures and matrices.
3753         (new_graphite_bb): Create a PPL constraint system.
3754         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3755         (build_loop_iteration_domains): Use PPL functions.
3756         * graphite.h: Include graphite-ppl.h.  Fix comments.
3757         (graphite_bb): Use a ppl_Constraint_System_t instead of
3758         CloogMatrix for representing the domain.
3759         (scop): Remove static_schedule.
3760         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3761
3762 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3763
3764         * graphite.c: Fix some comments.
3765
3766 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3767
3768         PR middle-end/38953
3769         * graphite.c (if_region_set_false_region): After moving a region
3770         in the false branch of a condition, remove the empty dummy
3771         basic block.
3772         (gloog): Remove wrong fix for PR38953.
3773
3774 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3775
3776         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3777         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3778         register_bb_in_sese, new_sese, free_sese): Moved.
3779         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3780         outermost_loop_in_scop, build_scop_iteration_domain,
3781         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3782         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3783         Use loop_in_sese_p instead of loop_in_scop_p.
3784         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3785         (free_scop): Do not free SCOP_BBS_B.
3786         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3787         ref_nb_loops): Moved here...
3788         * graphite.h (ref_nb_loops): ... from here.
3789         (struct scop): Remove bbs_b bitmap.
3790         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3791         * testsuite/gcc.dg/graphite/scop-19.c: New
3792
3793 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3794
3795         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3796         detection.
3797
3798 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3799
3800         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3801         eq_loop_to_cloog_loop): Remove.
3802         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3803         * graphite.h (struct scop): Remove loop2cloog_loop.
3804         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3805
3806 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3807
3808         * opts.c (decode_options): Only add graphite options to O2
3809         if we compile with graphite enabled.
3810
3811 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * Merge from mainline (r143163:143684).
3814
3815 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3816
3817         * graphite.c (debug_value): Removed.
3818         * graphite.h (debug_value): Removed.
3819
3820 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3823         after graphite: pass_copy_prop does not maintain a proper loop closed
3824         SSA form.  pass_copy_prop should be fixed.
3825
3826 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3829
3830 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3833         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3834         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3835         changed the CFG.
3836
3837 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite.c (gloog): Return true when code gen succeeded.
3840         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3841         the code of the function did not changed.  After cleanup_tree_cfg
3842         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3843         form.
3844
3845 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3848         gimple_call_lhs is NULL.
3849
3850 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3851             Tobias Grosser  <tobi.grosser@amd.com>
3852
3853         * graphite.c (graphite_trans_scop_block): Do not block single
3854         nested loops.
3855
3856 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3857             Tobias Grosser  <tobi.grosser@amd.com>
3858
3859         * graphite.c (build_scop_canonical_schedules): Start schedules at
3860         zero.
3861
3862 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3863             Tobias Grosser  <tobi.grosser@amd.com>
3864
3865         * graphite.c (compare_prefix_loops): New.
3866         (build_scop_canonical_schedules): Rewritten.
3867         (graphite_transform_loops): Move build_scop_canonical_schedules
3868         after build_scop_iteration_domain.
3869
3870 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3871             Tobias Grosser  <tobi.grosser@amd.com>
3872
3873         * graphite.c (add_conditions_to_domain): Add the loops to
3874         the dimension of the iteration domain.  Do copy the domain
3875         only when it exists.
3876         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3877         (add_conditions_to_constraints): New.
3878         (can_generate_code_stmt, can_generate_code): Removed.
3879         (gloog): Do not call can_generate_code.
3880         (graphite_transform_loops): Call add_conditions_to_constraints
3881         after building the iteration domain.
3882
3883 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3884             Tobias Grosser  <tobi.grosser@amd.com>
3885             Jan Sjodin  <jan.sjodin@amd.com>
3886
3887         * graphite.c (scan_tree_for_params): On substractions negate
3888         all the coefficients of the term.
3889         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3890         of more than two operands.
3891         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3892         (get_vdef_before_scop): Handle also the case of default definitions.
3893
3894 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         PR middle-end/38431
3897         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3898         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3899         (gloog): Do not call cleanup_tree_cfg.
3900         (graphite_transform_loops): Call cleanup_tree_cfg after all
3901         scops have been code generated.
3902
3903 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3904
3905         * passes.c (init_optimization_passes): Schedule after
3906         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3907
3908 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3911         Fix comment.
3912         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3913         Set the type of an expression to the type of its assign statement.
3914         (expand_scalar_variables_expr):  Do not pass loop_p.
3915         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3916         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3917         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3918
3919 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3920
3921         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3922         an expression to the gimple_expr_type of its assign statement.
3923         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3924         or tcc_declaration.
3925
3926 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         PR tree-optimization/38786
3929         * testsuite/gcc.dg/graphite/pr38786.c: New.
3930         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3931         the SSA_NAME case of expand_scalar_variables_expr.
3932         (expand_scalar_variables_expr): Also gather the scalar computation
3933         used to index the memory access.
3934         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3935         the gimple_stmt_iterator where it inserts new code.
3936
3937 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3938
3939         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3940
3941 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3942
3943         * opts.c (decode_options): Enable flag_graphite_identity and
3944         flag_loop_block in -O2 and above.
3945
3946 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3947
3948         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3949         Fix merge problem: replace with the file from trunk.
3950
3951 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3952
3953         * Merge from mainline (r141727:143163).
3954
3955 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3956             Jan Sjodin  <jan.sjodin@amd.com>
3957
3958         PR tree-optimization/38559
3959         * testsuite/gcc.dg/graphite/pr38559.c: New.
3960
3961         * graphite.c (debug_value, copy_constraint,
3962         swap_constraint_variables, scale_constraint_variable, ): New.
3963         (get_lower_bound, get_upper_bound): Removed.
3964         (graphite_trans_bb_strip_mine): Clean up this code that works
3965         only for constant number of iterations.  Fully copy upper and
3966         lower bound constraints, not only the constant part of them.
3967         * graphite.h (debug_value): Declared.
3968
3969 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3970
3971         PR tree-optimization/38492
3972         PR tree-optimization/38498
3973         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3974         * tree-chrec.h (scev_is_linear_expression): Declared.
3975         * graphite.c (graphite_cannot_represent_loop_niter): New.
3976         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3977         (graphite_loop_normal_form): Use gcc_assert.
3978         (scan_tree_for_params): Use CASE_CONVERT.
3979         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3980         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3981         Use gcc_assert.  Discard scops that contain unhandled cases.
3982         (build_scop_conditions): Return a boolean status for unhandled cases.
3983         (strip_mine_profitable_p): Print the loop number, not its depth.
3984         (is_interchange_valid): Pass the depth of the loop nest, don't
3985         recompute it wrongly.
3986         (graphite_trans_bb_block): Same.
3987         (graphite_trans_bb_block): Print tentative of loop blocking.
3988         (graphite_trans_scop_block): Do not print that the loop has been
3989         blocked.
3990         (graphite_transform_loops): Do not handle scops that contain condition
3991         scalar phi nodes.
3992
3993         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3994         in trunk.
3995         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3996         * testsuite/gcc.dg/graphite/block-1.c: Same.
3997         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3998         blocking.
3999         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4000         * testsuite/gcc.dg/graphite/block-3.c: New.
4001         * testsuite/gcc.dg/graphite/pr38498.c: New.
4002
4003 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4004
4005         PR tree-optimization/38510
4006         * gcc.dg/graphite/pr38510.c: New.
4007         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4008           (translate_clast): Call recompute_all_dominators before
4009           graphite_verify.
4010           (gloog): Call recompute_all_dominators before graphite_verify.
4011
4012 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         PR tree-optimization/38492
4015         * graphite.c (rename_map_elt, debug_rename_elt,
4016         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4017         rename_map_elt_info, eq_rename_map_elts,
4018         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4019         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4020         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4021         (sese_build_livein_liveouts): New.
4022         (new_sese, free_sese): New.
4023         (new_scop): Call new_sese.
4024         (free_scop): Call free_sese.
4025         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4026         (register_old_new_names): Renamed register_old_and_new_names.
4027         (register_scop_liveout_renames, add_loop_exit_phis,
4028         insert_loop_close_phis, struct igp,
4029         default_liveout_before_guard, add_guard_exit_phis,
4030         insert_guard_phis, copy_renames): New.
4031         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4032         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4033         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4034         (scop_adjust_phis_for_liveouts): New.
4035         (gloog): Call scop_adjust_phis_for_liveouts.
4036
4037         * graphite.h (struct sese): Documented.  Added fields liveout,
4038         num_ver and livein.
4039         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4040         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4041         (struct scop): Added field liveout_renames.
4042         (SCOP_LIVEOUT_RENAMES): New.
4043
4044 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4045
4046         PR tree-optimization/38409
4047         * gcc.dg/graphite/pr38409.c: New.
4048         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4049
4050 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052         * graphite.c (gcc_type_for_cloog_iv): By default return
4053         integer_type_node.
4054         (graphite_create_new_loop): Don't fold_convert the already
4055         fold_convert-ed expression.
4056
4057 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4058
4059         PR tree-optimization/38446
4060         * gcc.dg/graphite/pr38446.c: New.
4061         * graphite.c (register_bb_in_sese): New.
4062         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4063         looking at the bbs in the region.
4064         * graphite.h (sese): Add region_basic_blocks pointer set to
4065         structure and initialize at the time of defining new scop.
4066
4067 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4068
4069         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4070         (find_params_in_bb): Do not free data refs.
4071         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4072
4073 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4074
4075         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4076         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4077         * testsuite/gcc.dg/graphite/block-5.c: New.
4078         * testsuite/gcc.dg/graphite/block-6.c: New.
4079         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4080         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4081         * testsuite/gcc.dg/graphite/block-2.c: Same.
4082
4083         * graphite.c (struct ivtype_map_elt): New.
4084         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4085         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4086         gcc_type_for_cloog_iv): New.
4087         (loop_iv_stack_patch_for_consts): Use the type of the induction
4088         variable from the original loop, except for the automatically
4089         generated loops, i.e., in the case of a strip-mined loop, in
4090         which case there is no original loop: in that case just use
4091         integer_type_node.
4092         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4093         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4094         (clast_name_to_gcc): Accept params to be NULL.
4095         (clast_to_gcc_expression): Take an extra parameter for the type.
4096         Convert to that type all the expressions built by this function.
4097         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4098         (graphite_translate_clast_equation): Compute the type of the
4099         clast_equation before translating its LHS and RHS.
4100         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4101         (graphite_create_new_loop): Compute the type of the induction
4102         variable before translating the lower and upper bounds and before
4103         creating the induction variable.
4104         (rename_variables_from_edge, rename_phis_end_scop): New.
4105         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4106         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4107         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4108         compute_cloog_iv_types): New.
4109         (gloog): Call compute_cloog_iv_types before starting the
4110         translation of the clast.
4111
4112         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4113         (GBB_CLOOG_IV_TYPES): New.
4114         (debug_ivtype_map): Declared.
4115         (oldiv_for_loop): New.
4116
4117 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4118
4119         PR middle-end/38459
4120         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4121         (param_index): Assert if parameter is not know after parameter
4122         detection.
4123         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4124         (find_scop_parameters): Mark, that we have finished parameter
4125         detection.
4126         (graphite_transform_loops): Move condition detection before parameter
4127         detection.
4128         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4129         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4130
4131 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4132
4133         * graphite.c (graphite_transform_loops): Always call find_transform ()
4134         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4135         generate code.
4136
4137 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4138
4139         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4140         (print_scop): Ditto.
4141
4142 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4143
4144         PR middle-end/38084
4145         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4146         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4147         regions more than once.
4148
4149 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4150
4151         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4152         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4153         when not needed.
4154
4155 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4156
4157         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4158         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4159         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4160         (max_precision_type): New.
4161         (value_clast): Removed.
4162         (clast_to_gcc_expression): Be more careful to types of expressions.
4163         Use max_precision_type and update use of gmp_cst_to_tree.
4164         (graphite_translate_clast_equation): Use max_precision_type.
4165         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4166         use the type of the condition.
4167         (graphite_create_new_loop): Do not use integer_type_node, use the
4168         max_precision_type of lb and ub.
4169
4170 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4171
4172         * graphite.c (build_scops_1): Initialize open_scop.exit
4173         and sinfo.last.
4174
4175 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4176
4177         * testsuite/gcc.dg/graphite/pr38084.c: New.
4178         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4179         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4180         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4181         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4182         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4183
4184 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4185             Jan Sjodin  <jan.sjodin@amd.com>
4186             Harsha Jagasia  <harsha.jagasia@amd.com>
4187
4188         PR middle-end/37852
4189         PR middle-end/37883
4190         PR middle-end/37928
4191         PR middle-end/37980
4192         PR middle-end/38038
4193         PR middle-end/38039
4194         PR middle-end/38073
4195         PR middle-end/38083
4196         PR middle-end/38125
4197
4198         * testsuite/gcc.dg/graphite/pr38073.c: New.
4199         * testsuite/gcc.dg/graphite/pr37928.c: New.
4200         * testsuite/gcc.dg/graphite/pr37883.c: New.
4201         * testsuite/gcc.dg/graphite/pr38125.c: New.
4202         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4203         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4204         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4205
4206         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4207         the number of detected scops.  Copy exact same test for loop
4208         blocking...
4209         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4210         loops to be blocked as reductions are not handled.
4211         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4212
4213         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4214         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4215         ...here.
4216         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4217         * Makefile.in (graphite.o): Depend on value-prof.h.
4218         (graphite.o-warn): Removed -Wno-error.
4219         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4220         to be a NULL pointer.  Call update_stmt.  Return the newly created
4221         cannonical induction variable.
4222
4223         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4224
4225         * graphite.c: Reimplement the code generation from graphite to gimple.
4226         Include value-prof.h.
4227         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4228         (get_old_iv_from_ssa_name): Removed.
4229         (graphite_stmt_p): New.
4230         (new_graphite_bb): Test for useful statements before building a
4231         graphite statement for the basic block.
4232         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4233         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4234         reason.
4235         (recompute_all_dominators, graphite_verify,
4236         nb_reductions_in_loop, graphite_loop_normal_form): New.
4237         (scop_record_loop): Call graphite_loop_normal_form.
4238         (build_scop_loop_nests): Iterate over all the blocks of the
4239         function instead of relying on the incomplete information from
4240         SCOP_BBS.  Return the success of the operation.
4241         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4242         (add_bb_domains): Removed.
4243         (build_loop_iteration_domains): Don't call add_bb_domains.
4244         Add the iteration domain only to the basic blocks that have been
4245         translated to graphite.
4246         (build_scop_conditions_1): Add constraints only if the basic
4247         block have been translated to graphite.
4248         (build_scop_data_accesses): Completely disabled until data
4249         dependence is correctly implemented.
4250         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4251         (remove_all_edges_1, remove_all_edges): Removed.
4252         (get_new_name_from_old_name): New.
4253         (graphite_rename_variables_in_stmt): Renamed
4254         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4255         Use replace_exp and update_stmt.
4256         (is_old_iv): Renamed is_iv.
4257         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4258         Use replace_exp and update_stmt.
4259         (expand_scalar_variables_expr): Same.  Use the map to get the
4260         new names for the renaming of induction variables and for the
4261         renaming of variables after a basic block has been copied.
4262         (expand_scalar_variables): Same.
4263         (graphite_rename_variables): Renamed rename_variables.
4264         (move_phi_nodes): Removed.
4265         (get_false_edge_from_guard_bb): New.
4266         (build_iv_mapping): Do not insert the induction variable of a
4267         loop in the renaming iv map if the basic block does not belong
4268         to that loop.
4269         (register_old_new_names, graphite_copy_stmts_from_block,
4270         copy_bb_and_scalar_dependences): New.
4271         (translate_clast): Heavily reimplemented: copy basic blocks,
4272         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4273         At each translation step call graphite_verify ensuring the
4274         consistency of the SSA, loops and dominators information.
4275         (collect_virtual_phis, find_vdef_for_var_in_bb,
4276         find_vdef_for_var_1, find_vdef_for_var,
4277         patch_phis_for_virtual_defs): Removed huge hack.
4278         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4279         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4280         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4281         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4282         if_region_get_condition_block, if_region_set_false_region,
4283         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4284         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4285         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4286         rewrite_into_sese_closed_ssa): New.
4287         (gloog): Remove dead code.  Early return if code cannot be
4288         generated.  Call cleanup_tree_cfg once the scop has been code
4289         generated.
4290         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4291         block loops with less than two loops.
4292         (graphite_apply_transformations): Remove the call to
4293         scop_remove_ignoreable_gbbs.
4294         (limit_scops): When build_scop_loop_nests fails, continue on
4295         the next scop.  Fix open_scop.entry.
4296         (graphite_transform_loops): Call recompute_all_dominators: force the
4297         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4298         Call initialize_original_copy_tables and free_original_copy_tables
4299         to be able to copy basic blocks during code generation.
4300         When build_scop_loop_nests fails, continue on next scop.
4301         (value_clast): New union.
4302         (clast_to_gcc_expression): Fix type cast warning.
4303
4304 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4305
4306         * Merge from mainline (r140838:141727).
4307
4308 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4309
4310         PR middle-end/37833
4311
4312         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4313
4314 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4315
4316         PR middle-end/37943
4317
4318         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4319         exits and conditions.
4320         * testsuite/gcc.dg/graphite/pr37943.c: New.
4321
4322 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4323
4324         PR middle-end/37886
4325         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4326
4327 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4328
4329         * doc/invoke.texi: Fix spaces.
4330
4331 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4332
4333         PR tree-optimization/37891
4334         Reverted last commit.
4335         * graphite.c (create_single_entry_edge): Set
4336         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4337
4338 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4339             Mitul Thakkar  <mitul.thakkar@amd.com>
4340
4341         * graphite.c (create_single_entry_edge): Set
4342         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4343
4344 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4345
4346         * doc/invoke.texi: Add -fgraphite-identity.
4347         * graphite.c (graphite_apply_transformations): Check for
4348         -fgraphite-identity.
4349         * toplev.c (process_options): Add flag_graphite_identity.
4350         * tree-ssa-loop.c: Add flag_graphite_identity.
4351
4352 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4353
4354         Undo changes from 2008-10-02:
4355         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4356         operand type when copying the operand to a variable of different type.
4357         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4358         with the IV name after increment.
4359
4360 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4361             Harsha Jagasia  <harsha.jagasia@amd.com>
4362
4363         PR tree-optimization/37828
4364         * testsuite/gcc.dg/graphite/pr37828.c: New.
4365         * graphite.c (graphite_trans_loop_block): Do not loop block
4366         single nested loops.
4367
4368 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4369             Sebastian Pop  <sebastian.pop@amd.com>
4370
4371         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4372         rename_map_elt_info, eq_rename_map_elts): New.
4373         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4374         (expand_scalar_variables_expr): Change parameters.
4375         (expand_scalar_variables_stmt): Same.
4376         (expand_scalar_variables): Same.
4377         (graphite_rename_ivs): Rename graphite_rename_variables.
4378         (build_iv_mapping): New.
4379         (translate_clast): Call build_iv_mapping.
4380         * graphite.h (gbb_p): New name.
4381
4382 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4383
4384         PR tree-optimization/37684
4385         * gcc.dg/graphite/pr37684.c: New.
4386         * graphite.c (exclude_component_ref): New.
4387         (is_simple_operand): Call exclude_component_ref.
4388
4389 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4390             Harsha Jagasia  <harsha.jagasia@amd.com>
4391
4392         PR tree-optimization/37485
4393         * gcc.dg/graphite/block-2.c: New
4394         * graphite.c (gmp_cst_to_tree): Moved.
4395         (iv_stack_entry_is_constant): New.
4396         (iv_stack_entry_is_iv): New.
4397         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4398         (loop_iv_stack_insert_constant): New.
4399         (loop_iv_stack_pop): Use new datatpype.
4400         (loop_iv_stack_get_iv): Same.
4401         (loop_iv_stack_get_iv_from_name): Same.
4402         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4403         (loop_iv_stack_patch_for_consts): New.
4404         (loop_iv_stack_remove_constants): New.
4405         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4406         (translate_clast): Call loop_iv_stack_patch_for_consts and
4407         loop_iv_stack_remove_constants.
4408         (gloog): Use new datatype.  Redirect construction edge to end
4409         block to avoid accidental deletion.
4410         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4411         iv stack entry.
4412         (union iv_stack_entry_data): New.  Data in iv stack entry.
4413         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4414
4415 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4416
4417         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4418         operand type when copying the operand to a variable of different type.
4419
4420 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4421
4422         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4423         with the IV name after increment.
4424
4425 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4426
4427         * Merge from mainline (r140164:140838).
4428
4429 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4430
4431         * graphite-data-ref.c: New.
4432         * graphite.c (print_scop): Also dump the dependence graph.
4433         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4434         (new_scop): Initialize SCOP_DEP_GRAPH.
4435         (build_scop_dynamic_schedules): New.
4436         (build_access_matrix_with_af): Fixed column numbering.
4437         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4438         * graphite.h: Add ifndef/define guards against multiple inclusion.
4439         (struct scop): Add dep_graph field.
4440         (SCOP_DEP_GRAPH): Defined.
4441         (ref_nb_loops): Fixed and moved to other position.
4442         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4443         (nb_loops_around_loop_in_scop): New.
4444         (graphite_dump_dependence_graph): Declared.
4445         (graphite_build_rdg_all_levels): Declared.
4446         (graphite_test_dependence): Declared.
4447         * Makefile.in (graphite-data-ref.o): New target.
4448
4449 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4450
4451         * Merge from mainline (139870:140164).
4452
4453 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4454
4455         * Merge from mainline (138275:139870).
4456         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4457         the commits from trunk broke the niter detection.
4458
4459 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4460
4461         * graphite.c: Add more documentation.  Fix formatting.
4462         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4463         loop_iv_stack_debug): Moved...
4464         (schedule_to_scattering): Move before use.
4465         (dot_all_scops): Include in "#if 0" the code for system
4466         call dotty.
4467
4468         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4469         loop_iv_stack_debug): ...here.
4470
4471 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4472
4473         * tree-phinodes.c (make_phi_node): Extern.
4474         (add_phi_node_to_bb): New.
4475         (create_phi_node): Call add_phi_node_to_bb.
4476         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4477         (remove_statement): Handle case where stored phi was updated
4478         and is no longer the same.
4479         * graphite.c (is_parameter): New.
4480         (is_old_iv): New.
4481         (expand_scalar_variables_expr): New.
4482         (expand_scalar_variables_stmt): New.
4483         (expand_scalar_variables): New.
4484         (move_phi_nodes): Create new phi instead of moving old one.
4485         (translate_clast): Call expand_scalar_variables.
4486         (find_vdef_for_var_in_bb): Also scan regular definitions.
4487         (skip_phi_defs): New.
4488         (collect_scop_exit_phi_args): New.
4489         (patch_scop_exit_phi_args): New.
4490         (gloog): Patch phis after scop.
4491         * tree-flow.h: (add_phi_node_to_bb): Declared.
4492         (make_phi_node): Declared.
4493
4494 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4495
4496         * graphite.c (end_scop): Split the entry of the scop when it
4497         is the header of the loop in which the scop is ending.
4498         (build_scops_1, limit_scops): Update uses of end_scop.
4499
4500 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4501
4502         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4503         SCOP_ENTRY or SCOP_EXIT.
4504
4505 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * graphite.c (get_construction_edge): Removed.
4508         (gloog): Construction edge is the scop entry edge.
4509
4510 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4511
4512         * graphite.c (can_generate_for_scop): Removed.
4513         (gloog): Do not call it.
4514
4515 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4516
4517         * graphite.c (new_scop): Entry of a scop is an edge.
4518         Initialize SESE region.
4519         (free_scop): Free SESE region.
4520         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4521         (split_difficult_bb): New, split from end_scop.
4522         (end_scop): Exit of a scop is an edge.
4523         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4524         not automatically updated and thus is always wrong.
4525         * graphite.h (struct sese): New.
4526         (SESE_ENTRY): New.
4527         (SESE_EXIT): New.
4528         (struct scop): New field for a SESE region.  Remove entry, exit.
4529         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4530         semantics as before.  Moved comment around.
4531
4532 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4533             Sebastian Pop  <sebastian.pop@amd.com>
4534
4535         * graphite.c (graphite_transform_loops): Always enable gloog
4536         and find_transform when ENABLE_CHECKING.
4537
4538 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4539
4540         * graphite.c (graphite_transform_loops): Move pretty printer
4541         of SCOPs before doing any transform.  Remove call to print_scops
4542         and dot_all_scops_1.
4543
4544 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4547         (print_graphite_bb): Same.
4548
4549 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         * graphite.c (dot_all_scops_1): Cleanup.
4552         (move_scops): Fix comment.
4553
4554 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4555
4556         * graphite.c (build_scop_bbs): Revert commit 139355:
4557
4558         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4559                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4560
4561                 * graphite.c (build_scop_bbs): Factor up code.
4562
4563 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4564
4565         * graphite.c (gloog): Update dominator info.
4566
4567 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4568
4569         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4570
4571 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4572
4573         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4574         initialization.
4575         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4576         (translate_clast): Correct formatting.
4577         * graphite.h (struct num_map): Removed.
4578         (struct graphite_bb): Remove num_map field.
4579         (GBB_INDEX_TO_NUM_MAP): Removed.
4580
4581 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4582
4583         * graphite.c (build_access_matrix_with_af): Fix comments.
4584         (build_scop_data_accesses): Same.
4585
4586 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4587
4588         * graphite.c (build_scop_data_accesses): Don't construct
4589         access matrices.  Add a FIXME and an assert condition that
4590         should pass when the access matrices will be needed.
4591
4592 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4593
4594         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4595         really_constant_p.
4596         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4597         Moved close by free_graphite_bb.
4598         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4599         (new_scop): Move close by free_scop.
4600         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4601
4602 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4603
4604         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4605         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4606         instead of recursive call.
4607         (graphite_translate_clast_equation): New.
4608         (graphite_create_guard_cond_expr): New.
4609         (graphite_create_new_guard): New.
4610         (get_stack_index_from_iv): Removed.
4611         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4612         (get_true_edge_from_guard_bb): New.
4613         (translate_clast): Handle stmt_guard in clast.
4614         (get_construction_edge): Allow construction edge detection for
4615         a scope entry with multiple predecessors if one predecessor is
4616         the immediate dominator of scope entry.
4617         (can_generate_code_stmt): Enable code generation for clast_guard.
4618         (gloog): Use correct context loop.  Removed check for post dominators.
4619         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4620
4621 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4622
4623         * graphite.c (remove_dead_loops): Document better which
4624         loops are removed.
4625
4626 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4629         and PPLINC.
4630         (graphite.o): Also depends on pointer-set.h.
4631
4632 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4633
4634         * graphite.c (scop_record_loop): Fix compile warning.
4635
4636 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4637             Sebastian Pop  <sebastian.pop@amd.com>
4638
4639         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4640
4641 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4642
4643         * graphite.c (build_graphite_bb): Initialize bb->aux to
4644         point to the graphite_bb_p.
4645         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4646         content of bb->aux.
4647         (add_bb_domains): Does not use the scop parameter.
4648         (graphite_transform_loops): Clean bb->aux at the end.
4649
4650 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4651             Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * testsuite/lib/target-supports.exp
4654         (check_effective_target_fgraphite): New.
4655
4656         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4657         check_effective_target_fgraphite returns false.
4658         Set dg-do-what-default to compile.
4659         (scan-graphite-dump-times): Removed.
4660         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4661
4662         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4663         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4664         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4665         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4666         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4667         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4668         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4669         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4670         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4671         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4672         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4673         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4674         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4675         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4676         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4677         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4678         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4679         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4680         * testsuite/gcc.dg/graphite/block-0.c: Same.
4681         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4682         * testsuite/gcc.dg/graphite/block-1.c: Same.
4683         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4684         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4685         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4686         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4687         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4688
4689 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4690
4691         * graphite.c: Fix some XXX comments.
4692         (build_scop_dynamic_schedules): Removed.
4693
4694 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * graphite.h (scop_max_loop_depth): Moved...
4697         * graphite.c (scop_max_loop_depth): ...here.
4698         (remove_all_edges_1): New.
4699         (remove_all_edges): Factored code.
4700         (remove_cond_exprs): Check only the last statement for
4701         a GIMPLE_COND expression.
4702
4703 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4704
4705         * graphite.c (scan_tree_for_params): Early return when the
4706         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4707         (find_scop_parameters): Factor out code.
4708         (graphite_trans_bb_strip_mine): Remove dead code.
4709
4710 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4711
4712         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4713         graphite_trans_bb_move_loop): Factor asserts.
4714         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4715         Do not call calculate_dominance_info and estimate_bb_frequencies.
4716
4717 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4718
4719         * graphite.c (create_loops_mapping, free_loops_mapping,
4720         create_loops_mapping_num, debug_loop_mapping_1,
4721         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4722         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4723         graphite_loops_mapping_add_child_num,
4724         graphite_loops_mapping_insert_child,
4725         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4726         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4727         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4728         create_num_from_index, get_num_from_index,
4729         swap_loop_mapped_depth): Removed.
4730         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4731         (free_scop): Do not call free_loops_mapping.
4732         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4733         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4734         get_loop_mapped_depth.
4735         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4736         (graphite_trans_bb_strip_mine): Same.
4737         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4738         (struct scop): Remove field loops_mapping.
4739
4740 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4741             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4742
4743         * graphite.c (scop_record_loop): Factor out one level of the
4744         condition by early return.
4745         (build_scop_loop_nests): Format following FSF coding style.
4746         (build_scop_dynamic_schedules): Factor out code.
4747         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4748
4749 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4750             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4751
4752         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4753         assignments that are not handled as simple operands for now.
4754
4755 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4756             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4757
4758         * graphite.c (build_scop_bbs): Factor up code.
4759
4760 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4761             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4762
4763         * graphite.c (stmt_simple_for_scop_p): Factor code out
4764         of the loop.
4765         (enum gbb_type): New.  Group all the GBB_* types under it.
4766         (is_loop_exit): Moved...
4767         (end_scop): Enable BB spliting.
4768         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4769         * cfgloop.h (is_loop_exit): Declared.
4770
4771 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4772
4773         * doc/invoke.texi: Remove strides from examples containing
4774         DO loops when the strides are equal to 1.
4775
4776 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4777             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4778
4779         * graphite.c (graphite_trans_scop_block): Or the result with
4780         the result from graphite_trans_loop_block.
4781         * testsuite/gcc.dg/graphite/block-1.c: New.
4782         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4783         * testsuite/gfortran.dg/graphite/block-2.f: New.
4784
4785 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4786
4787         * graphite.c (graphite_transform_loops): Call cloog_initialize
4788         and cloog_finalize.
4789
4790 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4791
4792         * tree-data-ref.c) (stmt_simple_memref_p): New.
4793         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4794         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4795         (is_simple_operand): Call stmt_simple_memref_p.
4796
4797         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4798         using pointer arithmetic, as this is optimized by PRE and
4799         makes the code too difficult to analyze.
4800
4801         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4802
4803 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4804
4805         * gdbinit.in (pgg): New.
4806
4807 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4808
4809         * graphite.c (graphite_trans_loop_block): Fix warning.
4810
4811 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4812
4813         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4814
4815 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4816
4817         * graphite.c (graphite_trans_bb_block): Remove check for
4818         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4819         Check if loop blocking is profitable for every loop, before applying
4820         the changes.
4821         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4822         if flag_loop_block is set.
4823
4824 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4825
4826         * graphite.c: Add some more documentation for the loop
4827         mapping.
4828
4829 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4830
4831         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4832         * graphite.c: Format on less than 80 columns.
4833         * graphite.h: Same.
4834
4835 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4836
4837         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4838
4839 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4840
4841         * doc/invoke.texi (floop-block, floop-strip-mine,
4842         floop-interchange): Update documentation with examples.
4843
4844 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4845
4846         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4847         add_referenced_var.
4848         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4849
4850 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4851
4852         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4853         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4854         * tree-scalar-evolution.c: Revert useless changes.
4855         * tree-phinodes.c: Same.
4856         * cfghooks.c: Same.
4857         * vec.h: Same.
4858         * tree-vectorizer.h: Same.
4859         * tree-flow.h: Same.
4860         * tree-cfg.c: Same.
4861         * common.opt (fgraphite): Update documentation.
4862
4863 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4864
4865         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4866         -floop-interchange): Add more text for explaining what each of these
4867         flags is doing.
4868         * tree-into-ssa.c (gimple_vec): Moved to...
4869         * graphite.c: Include gimple.h.
4870         (gimple_vec): Moved to...
4871         (del_loop_to_cloog_loop): Removed.
4872         (loop_affine_expr): Do not call create_data_ref when the
4873         operand is a constant.
4874         (new_scop): Use free instead of del_loop_to_cloog_loop.
4875         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4876         * gimple.h (gimple_vec): ... here.
4877
4878 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4879
4880         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4881         latch executions.
4882         (build_loop_iteration_domains): Fail, if latch executions unknown.
4883
4884 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4885
4886         * graphite.c (add_conditions_to_domain): New.
4887         (build_scop_conditions_1): Call add_conditions_to_domain.
4888         (set_cloog_options): Allow to disable optimizations.
4889
4890 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4891
4892         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4893         Do not use walk_dominator_tree.
4894         (find_scop_parameters): Do not use walk_dominator_tree.
4895
4896 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4897
4898         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4899         (idx_record_params): Adapt.
4900         * graphite.h (scop_gimple_loop_depth): New.
4901
4902 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4903
4904         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4905         (scan_tree_for_params): Remove value_init.
4906         (build_scop_context): Remove value_init.
4907         (build_loop_iteration_domains): Remove value_init.
4908         (schedule_to_scattering): Remove value_init.
4909         (graphite_trans_bb_strip_mine): Remove value_init.
4910
4911 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4912
4913         * gcc/graphite.c (limit_scops): New.
4914         (graphite_transform_loops): Add limit SCoPs.
4915         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4916         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4917         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4918         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4919         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4920         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4921         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4922         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4923         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4924         Change loop numbers.
4925         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4926         Change loop numbers.
4927         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4928         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4929         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4930         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4931         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4932         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4933         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4934         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4935         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4936         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4937
4938 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4939
4940         * graphite.c (graphite_transform_loops): Call always find_transform.
4941
4942 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4943
4944         * graphite.c (free_loops_mapping): New.
4945         (stmt_simple_for_scop_p): Fix typo.
4946         (stmt_simple_for_scop_p): Fix tuples functions, that
4947         broke polyhedron.
4948         (free_graphite_bb): Fix some memleaks.
4949         (free_scop): Fix some memleaks.
4950         (scopdet_bb_info): Do not forget some tmp SCoPs.
4951         (find_params_in_bb): Fix some memleaks.
4952         (clast_to_gcc_expression): Fix warning.
4953
4954 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4955
4956         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4957         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4958
4959 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4960
4961         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4962         Move code ifdef-ed HAVE_cloog...
4963         * graphite.c: Include toplev.h.
4964         ... here.
4965         * Makefile.in (OBJS-common): Always build graphite.o.
4966         (BACKEND): Remove @GRAPHITE@.
4967         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4968         (graphite.o): Depend on TOPLEV_H.
4969
4970 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4971
4972         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4973         Remove typo left from polylib to ppl conversion.
4974         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4975
4976 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4977
4978         * toplev.c (process_options): Move the graphite loop optimization
4979         flags...
4980         * tree-ssa-loop.c (graphite_transforms): ... here.
4981         When not configured with CLooG, print to dump_file that
4982         Graphite transforms were not performed.
4983         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4984         New.
4985         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4986         scan-graphite-dump-times.
4987
4988 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4989
4990         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4991         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4992
4993 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4994             Jan Sjodin  <jan.sjodin@amd.com>
4995
4996         * configure: Regenerated.
4997         * omp-low.c (expand_omp_sections): Remove now unused code.
4998         * config.in (HAVE_polylib): Removed.
4999         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5000         (PPLLIBS, PPLINC): Added.
5001         * graphite.c: Replace unsigned with int wherever possible.
5002         Don't access Cloog's data structures, but use accessor functions.
5003         Clast's stmt->type is now implemented as a vtable: change the
5004         switches of stmt->type into ifs.
5005         (polylib/polylibgmp.h): Don't include.
5006         (initialize_dependence_polyhedron,
5007         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5008         statement_precedes_p, test_dependence, build_rdg_all_levels,
5009         dump_dependence_graph): Removed until this code is cleaned up
5010         or ported to Cloog.
5011         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5012         (POLYLIBINC): Renamed PPLINC.
5013
5014 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5015             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5016             Jan Sjodin  <jan.sjodin@amd.com>
5017
5018         Finish the merge and tuplification of graphite.
5019
5020 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5021             Jan Sjodin  <jan.sjodin@amd.com>
5022
5023         Partial merge from mainline (138072:138275).
5024         * graphite.c still has to be tuplified.
5025
5026 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5027
5028         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5029         (create_num_from_index): New.
5030         (get_num_from_index): Also pass in the graphite BB.
5031         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5032         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5033         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5034         (is_interchange_valid): Return false when failing.
5035         * graphite.h (struct num_map): New.
5036         (struct graphite_bb): New field num_map.
5037         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5038
5039 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5040
5041         * graphite.c (dump_gbb_conditions): Print also conditions like
5042         "if (a)".  Remove dublicated code and use print_generic_expr ().
5043         (stmt_simple_for_scop_p): Only allow conditions we can handle
5044         {<, <=, >, >=}.
5045
5046 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5047
5048         * graphite.h (struct scop): Removed new_ivs field.
5049         (SCOP_NEWIVS): Deleted.
5050         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5051         clast_to_gcc_expression, graphite_create_new_loop):
5052         Removed use of new_ivs.
5053
5054 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5055
5056         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5057         create_loops_mapping_num, debug_loop_mapping_1): New.
5058         (debug_loop_mapping): Call debug_loop_mapping_1.
5059         (get_loop_mapping_for_num,
5060         graphite_loops_mapping_add_child,
5061         graphite_loops_mapping_add_child_num,
5062         graphite_loops_mapping_insert_child,
5063         graphite_loops_mapping_parent,
5064         split_loop_mapped_depth_for_num,
5065         loop_mapped_depth_split_loop): New.
5066         (increment_loop_mapped_depths): Removed.
5067         (swap_loop_mapped_depth_for_num): Reimplemented.
5068         (new_scop): Call create_loops_mapping.
5069         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5070         (translate_clast): Pass the old loop father in parameter, and pass
5071         it to get_old_iv_from_ssa_name.
5072         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5073         can_generate_code, can_generate_for_scop): New.
5074         (graphite_trans_bb_block): Returns false when it fails to transform.
5075         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5076
5077 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5078
5079         Reverted all the changes related to the streamization and
5080         loop fusion.
5081         These changes are now tracked in the streamization branch.
5082
5083 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5084             Jan Sjodin  <jan.sjodin@amd.com>
5085
5086         * graphite.c (gbb_compare): Correctly constify.
5087         (gbb_can_be_ignored): Indent.
5088         (graphite_trans_scop_swap_1and2): Add legality check.
5089         Remove dead FIXMEs.
5090
5091 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5092
5093         Remove fallouts from "Reverted the Condate changes".
5094         * tree.h: Remove unused decl.
5095         * testsuite/gcc.dg/tree-checker: Same.
5096         * timevar.def: Remove counter.
5097
5098 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5099
5100         * Merge from mainline (135673:138072).
5101
5102         Reverted the MIRO changes (from 2008-04-05) that are now
5103         tracked in the miro branch.
5104         * tree-bounds.c: Removed.
5105         * tree-bounds.h: Removed.
5106
5107         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5108         are now tracked in the condate branch.
5109         * tree-check.c: Removed.
5110         * tree-match.c: Removed.
5111         * condate.y: Removed.
5112
5113 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5114
5115         * common.opt: New user flag -floop-block, -floop-strip-mine
5116         and -floop-interchange.
5117         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5118         graphite loop optimization flags is turned on.
5119         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5120         flag_loop_strip_mine and flag_loop_interchange checks before
5121         optimizations.
5122         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5123         -floop-strip-mine and -floop-interchange.
5124         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5125         -fgraphite.
5126         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5127         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5128         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5129
5130 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5131             Sebastian Pop  <sebastian.pop@amd.com>
5132
5133         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5134         (create_empty_loop_on_edge): More fixes.
5135         * tree-phinodes.c (resize_phi_node): Extern.
5136         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5137         * cfghooks.c (update_dominator_information): New split from
5138         split_edge.
5139         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5140         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5141         successor of the function entry block.
5142
5143         * graphite.c: Include pointer-set.h.
5144         (debug_loop_mapping, increment_loop_mapped_depths,
5145         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5146         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5147         swap_loop_mapped_depth_for_num, get_num_from_index,
5148         swap_loop_mapped_depth, loop_iv_stack_debug,
5149         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5150         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5151         get_old_iv_from_ssa_name): New.
5152         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5153         (free_scop): Free SCOP_LOOPS_MAPPING.
5154         (scop_record_loop): Record old ivs.
5155         (create_var_name): Removed.
5156         (initialize_cloog_names): Allocate double space in case strip mine
5157         applies to all loops once.
5158         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5159         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5160         translation.
5161         (graphite_create_new_loop): Pass in ivstack.
5162         (remove_all_edges): Pass in the construction_edge.
5163         (graphite_remove_iv): Removed.
5164         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5165         remove_cond_exprs): Rewritten.
5166         (move_phi_nodes): New.
5167         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5168         (translate_clast): Pass in ivstack.  Rewrite some cases.
5169         (set_cloog_options, debug_clast_stmt): New.
5170         (find_transform): Use set_cloog_options.
5171         (outermost_loop_layer): Removed.
5172         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5173         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5174         mark_old_loops, remove_dead_loops): New.
5175         (gloog): Rewritten.
5176         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5177         (const_column_index, get_first_matching_sign_row_index,
5178         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5179         get_upper_bound): New.
5180         (graphite_trans_bb_strip_mine): Also update the iv map.
5181
5182         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5183         (struct name_tree): Add a loop field.
5184         (struct scop): Add a graphite_loops_mapping field.
5185         (SCOP_LOOPS_MAPPING): New.
5186         (debug_clast_stmt): Declare.
5187         * lambda.h (find_induction_var_from_exit_cond): Declare.
5188         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5189         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5190         (create_empty_loop_on_edge): Updated.
5191         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5192         rename_variables_in_bb): Declare.
5193         * tree-cfg.c (remove_bb): Extern.
5194
5195         * testsuite/gcc.dg/graphite/block-0.c: New.
5196
5197 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5198             Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         * graphite.c (strip_mine_profitable_p): New.
5201         (graphite_trans_bb_block): Disable strip mining if not profitable.
5202
5203         * testsuite/gcc.dg/graphite/scop-18.c: New.
5204         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5205         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5206
5207 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5208             Jan Sjodin  <jan.sjodin@amd.com>
5209             Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * graphite.c (is_interchange_valid): New.
5212         (graphite_trans_bb_block): Check loop nest of basic block for legality
5213         of interchange.
5214
5215         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5216         outer_most_loop, gbb_outer_most_loop_index): New.
5217
5218         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5219         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5220         * testsuite/gcc.dg/graphite/scop-16.c: New.
5221         * testsuite/gcc.dg/graphite/scop-17.c: New.
5222
5223 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5224
5225         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5226         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5227
5228 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5229
5230         * graphite.c (new_scop): Initialize SCOP_EXIT.
5231         (scopdet_info): Add.
5232         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5233         (build_scops_1): Cleanup, bugfixes.
5234         (build_scops): Cleanup.
5235
5236         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5237         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5238
5239 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5240
5241         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5242
5243         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5244         DEFAULT_GRAPHITE_FLAGS.
5245
5246         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5247
5248 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5249
5250         * graphite.c (scan_tree_for_params): Do not assert any more if
5251         MULT_EXPR parameter is negative.
5252
5253         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5254
5255         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5256
5257         * testsuite/gcc.dg/graphite/scop-15.c: New.
5258
5259 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5260
5261         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5262
5263 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5264
5265         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5266         graphite_swap_loops.
5267         (graphite_trans_bb_move_loop): New.
5268         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5269         (graphite_trans_bb_block): New.
5270         (graphite_trans_loop_block): New.
5271         (graphite_trans_scop_swap_1and2): Rename from
5272         graphite_trans_swap_1and2.
5273         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5274         (graphite_trans_scop_block): New.
5275         (graphite_apply_transformations): Rename from
5276         graphite_transformations.
5277
5278         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5279
5280 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5281
5282         * graphite.c (gbb_compare): New.
5283         (graphite_sort_gbbs): New.
5284         (gbb_can_be_ignored): New.
5285         (scop_remove_ignoreable_gbbs): New.
5286         (graphite_transformations): Cleanup and add
5287         scop_remove_ignoreable_gbbs.
5288         * lambda.h (lambda_vector_compare): New.
5289
5290 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5291
5292         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5293         (graphite_swap_loops): int -> unsigned
5294         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5295         (graphite_transformations): New.
5296         (graphite_transform_loops): Move to graphite_transformations.
5297         * graphite.h (gbb_nb_loops): Return unsigned.
5298
5299 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5300
5301         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5302         the domain matrix.  This makes scop-0.c work again.
5303
5304 2008-06-20  Richard Guenther  <rguenther@suse.de>
5305
5306         * graphite.h: Adjust copyright to GPLv3.
5307         * graphite.c: Likewise.
5308         (stmt_simple_memref_for_scop_p): Split out from ...
5309         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5310         and simplify.
5311         (get_bb_type): Optimize.
5312         (is_pred): Remove.
5313         (is_bb_addable): Fix memleak, replace is_pred call with
5314         single_pred.
5315         (build_scops): Use current_loops.
5316         (param_index): Fix memleak.
5317
5318 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5319
5320         * graphite.c: Fix formatting.
5321
5322 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5323
5324         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5325         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5326         (create_var_name, save_var_name): Newly defined functions.
5327         (initialize_cloog_names): Part of the code factored out to
5328         save_var_name.
5329         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5330         in clast_reduction statement.
5331         (graphite_create_new_loop): Now takes a new parameter
5332         for outer_loop.
5333         (translate_clast): Now also takes the context_loop and bb_exit
5334         parameters. Rewritten the code so that it creates a gimple code
5335         inside the given context.
5336         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5337         remove_cond_expr, disconnect_cond_expr,
5338         disconnect_virtual_phi_nodes): Newly defined functions.
5339         * graphite.h (struct scop): added old_ivs vector.
5340         SCOP_OLDIVS: New macro.
5341
5342 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5343
5344         * cfgloopmanip.c: Add missing function comments, fix formatting.
5345
5346 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5347
5348         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5349         (create_empty_loop_on_edge): Defined.
5350         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5351         instead of void.
5352         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5353         (update_dominators_in_loop): Declared as extern
5354         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5355
5356 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5357
5358         * graphite.c (print_graphite_bb): Allow changing number of loops
5359         in SCoP domain.
5360         (initialize_cloog_names): Allow changing number of loops.
5361         (build_cloog_prog): Simplify.
5362         (find_transform): Enable cloog option --strides.
5363         (graphite_swap_loops): New.
5364         (graphite_strip_mine_loop): New.
5365         (graphite_trans_swap_1and2): New.
5366         (graphite_trans_strip): New.
5367         (graphite_transform_loops): Add graphite_trans_strip.
5368         * graphite.h (scop_max_loop_depth): New.
5369
5370 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5371
5372         * graphite.c (build_scop_iteration_domain): Remove forgotten
5373         line. (Fixes compile)
5374
5375 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5376
5377         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5378         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5379         (build_bb_loops): New.
5380         (graphite_transform_loops): Add build_bb_loops.
5381         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5382         numbers.
5383         * graphite.h (graphite_bb): Add loops.
5384         (gbb_nb_loops): New.
5385         (gbb_loop_at_index): New.
5386         (gbb_loop_index): New.
5387         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5388         using nb_params_in_scop.
5389
5390 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5391
5392         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5393         (build_scop_canonical_schedules): Build minimized schedule.
5394         (schedule_to_scattering): Adapt to minimized schedule.
5395         * graphite.h (graphite_bb): Add/Update descriptions.
5396
5397 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5398             Tobias Grosser  <grosser@fim.uni-passau.de>
5399
5400         * graphite.c (print_graphite_bb): Add condition printing.
5401         (dump_value): New.
5402         (dump_gbb_conditions): New.
5403         (build_scop_conditions_1): New.
5404         (build_scop_conditions): New.
5405         * graphite.h (graphite_bb): Add conditions.
5406
5407 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5408
5409         * graphite.c (print_graphite_bb):
5410         (free_graphite_bb): New.
5411         (free_scop): Free bbs.
5412         (get_bb_type): Free doms.
5413         (build_scop_context): Free context matrix.
5414         (build_loop_iteration_domains): Remove unused code.
5415         (build_cloog_prog): Free scattering function and blocklist.
5416         (find_transform): Free options.
5417
5418 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5419
5420         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5421         Remove unnecessery cloog data structures. Make a copy of the domain
5422         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5423         unnecessary cloog data structures. Fix memory leaks. Remove insert
5424         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5425         used.
5426         (build_scop_iteration_domain): Remove unnecessary cloog
5427         data structures.  Fix memory leaks.
5428         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5429         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5430
5431 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5432
5433         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5434
5435 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5436
5437         * graphite.c (end_scop): Style fix.
5438         (schedule_to_scattering): Style and comment fix.
5439
5440 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5441         * graphite.c (print_graphite_bb): Fix definiton of
5442         schedule_to_scattering.
5443         (initialize_cloog_names): Change nb_scattdims to max loop
5444         depth in SCoP.
5445         (schedule_to_scattering): Take parameter for number of scattering
5446         dimensions.
5447         (build_cloog_prog): Only build as much scattering dimensions as
5448         necessary.
5449
5450 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5451
5452         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5453         in polyhedron/aermod.f90.
5454
5455 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5456             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5457             Harsha Jagasia  <harsha.jagasia@amd.com>
5458
5459         * graphite.c (is_bb_addable): Fix segfault.
5460
5461 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5462
5463         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5464         with multiple exits and conditional handling in edge cases.
5465         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5466
5467         * testsuite/gcc.dg/graphite/scop-14.c: New.
5468
5469 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5470             Adrien Eliche  <aeliche@isty.uvsq.fr>
5471
5472         * graphite.c (is_bb_addable): Add more comments and enhance
5473         readablity of the source code. Fix memory leak.
5474         (is_loop_exit): Fix memory leak.
5475
5476 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5477
5478         * graphite.c (first_loop_in_scop): Deleted.
5479         (setup_cloog_loop): Only walk the loop chain for inner loops.
5480         (build_scop_iteration_domain): Execute setup_cloog_loop for
5481         all loops in the first layer.
5482
5483 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5484
5485         * graphite.c (scan_tree_for_params): Change the way params are
5486         added to be indepenent of the number of loops.
5487         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5488         handling.
5489         (build_cloog_prog): Revert to short matrix format.
5490
5491 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5492             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5493
5494         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5495         warning.
5496
5497 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5498
5499         * graphite.c (nb_data_refs_in_scop): New.
5500         (graphite_transform_loops): Print more stats: number of
5501         loops, basic blocks and data references per scop.
5502
5503 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5504             Jan Sjodin  <jan.sjodin@amd.com>
5505
5506         * graphite.c (loop_affine_expr, idx_record_params,
5507         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5508         instead of instantiate_parameters.
5509
5510 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5511
5512         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5513         add support for parameters, add STATIC_SCHEDULE at the right places,
5514         cleanup.
5515
5516 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5517
5518         * graphite.c (build_scop_loop_nests): Only add the loops, that
5519         are contained completely in the SCoP.
5520         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5521         and the domains are fixed.
5522         (build_scop_canonical_schedules): Add support for bbs not contained
5523         in any SCoP.
5524
5525 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5526
5527         * graphite.h (scop_contains_loop): Update comments to match
5528         the actual behavior.
5529         (scop_contains_loop): New.
5530         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5531
5532 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5533
5534         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5535         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5536         as GBB_COND_HEADER.
5537
5538 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5539             Tobias Grosser  <grosser@fim.uni-passau.de>
5540
5541         * graphite.c (graphite_transform_loops): Early return when
5542         there are no loops in the function.
5543
5544 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5545             Jan Sjodin  <jan.sjodin@amd.com>
5546
5547         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5548         offset of the last loop.
5549         (setup_cloog_loop): Copy the entire outer constraint matrix.
5550
5551 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5552             Jan Sjodin  <jan.sjodin@amd.com>
5553
5554         * graphite.c (stmt_in_scop_p, function_parameter_p,
5555         invariant_in_scop_p): Removed.
5556         (scan_tree_for_params): Can be used with no constraint
5557         matrix for gathering parameters.
5558         (idx_record_params): Don't use idx_record_param, instead use
5559         scan_tree_for_params.
5560         (find_scop_parameters): Same.
5561         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5562         Fix the size of loop domains.
5563         (schedule_to_scattering): Exit when the outer loop is not in scop.
5564         (find_transform): Enable build_cloog_prog.
5565
5566 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5567             Jan Sjodin  <jan.sjodin@amd.com>
5568
5569         * graphite.c (schedule_to_scattering): Make scattering domains
5570         uniformly of the same size, as required by CLooG 0.14.0 and before.
5571
5572 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5573             Jan Sjodin  <jan.sjodin@amd.com>
5574
5575         * graphite.c (schedule_to_scattering): Rewrite, correct the
5576         translation of the scheduling function to scattering.
5577         (build_cloog_prog): Call schedule_to_scattering only once.
5578         * graphite.h (scop_loop_index): Do not fail for loops not
5579         in the scop: return -1.
5580
5581 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5582
5583         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5584         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5585         (setup_cloog_loop): Export GBB_DOMAIN.
5586         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5587         able to rebuild the original control flow.
5588         * graphite.h (graphite_bb): Add domain field and access macro.
5589         (GBB_DOMAIN): New.
5590
5591 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5592
5593         * graphite.c (debug_gbb): New.
5594         (print_scop, build_graphite_bb): Use SCOP_BBS.
5595         (build_scop_bbs): Reimplemented.
5596         (dfs_bb_in_scop_p): Removed.
5597         (build_scop_loop_nests): Reorder loops inserted in
5598         SCOP_LOOP_NEST: outer loops should come first.
5599         (build_scop_canonical_schedules): Reinitialize at zero
5600         the components of the SCOP_STATIC_SCHEDULE for the loops
5601         that have already been parsed.
5602
5603         * graphite.h (debug_gbb): Declared.
5604
5605 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5606             Jan Sjodin  <jan.sjodin@amd.com>
5607
5608         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5609         (graphite_loop_to_gcc_loop): Removed.
5610         (remove_all_edges): New.
5611         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5612         (gloog): Remove useless code.
5613
5614 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5615
5616         * graphite.c (get_bb_type): Reworked. We distinguish between
5617         loops with one or multiple exits.
5618         (is_loop_exit): New.
5619         (is_pred): New.
5620         (is_bb_addable): Rework condition handling, now support for case
5621         case statements and loops with multiple exits.
5622
5623         * testsuite/gcc.dg/graphite/scop-11.c: New.
5624         * testsuite/gcc.dg/graphite/scop-12.c: New.
5625         * testsuite/gcc.dg/graphite/scop-13.c: New.
5626
5627 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5628
5629         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5630         we have too many colors.
5631
5632 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5633
5634         * doc/invoke.texi (-ftree-loop-fusion): Document.
5635         * tree-pass.h (pass_loop_fusion): Declared.
5636         * tree-loop-fusion.c: New.
5637         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5638         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5639         * tree-data-ref.h (find_data_references_in_loop): Declared.
5640         * common.opt (ftree-loop-fusion): Declared.
5641         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5642
5643 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c (build_access_matrix): Fix typo from the merge.
5646
5647 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5648
5649         * Merge from mainline (130800:135673).
5650
5651 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5652
5653         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5654         Update dominators after splitting.
5655
5656 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5657
5658         * graphite.c (is_bb_addable): Return the harmful statement.
5659         Factor up some code.
5660         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5661         (build_scops_1): Call end_scop.
5662
5663 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5664
5665         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5666         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5667         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5668         build_scops_1): Removed.
5669         (build_scops_2): Renamed build_scops_1.
5670
5671 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5672
5673         * graphite.c: Fix formatting.
5674
5675 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5676
5677         * graphite.c (get_bb_type): New.
5678         (move_scops): New.
5679         (build_scops_2): New.
5680         (is_bb_addable): New.
5681         (build_scops): Switch the scop detection.
5682         (build_scop_bbs): Add entry bb to scop.
5683         * graphite.h (struct scop): Update comment.
5684
5685 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5686
5687         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5688         more colors.
5689
5690 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5691
5692         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5693         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5694         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5695         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5696         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5697
5698 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5699
5700         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5701         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5702         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5703         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5704         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5705
5706 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5707
5708         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5709         Check affine expressions depending on the outermost loop
5710         instead of a scop.
5711         (stmt_simple_for_scop_p): Same.
5712         (harmfule_stmt_in_scop): Same.
5713
5714 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5715
5716         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5717         mark entry and exit, that are not part of the SCoP and update HTML
5718         formatting.
5719
5720 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5721
5722         * graphite.c (basic_block_simple_for_scop_p): Renamed
5723         harmful_stmt_in_bb.
5724         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5725         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5726         (all_preds_visited_p, all_succs_visited_p,
5727         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5728         scop_end_loop): New.
5729         (build_scops): Do not use dfs_enumerate_from.
5730
5731         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5732
5733 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5734
5735         * graphite.c: Add comments to functions that are missing a
5736         description.
5737         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5738
5739 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5740
5741         * graphite.c (nb_params_in_scop): Moved...
5742         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5743         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5744         (clast_to_gcc_expression): Reduce column size to less than 80.
5745         (graphite_create_iv): Return the new name of the IV.
5746         (find_transform): Set options->esp and options->cpp.
5747         (gloog): Comment out the invalidation of the old loop code.
5748         (initialize_dependence_polyhedron): Replace scop_nb_params with
5749         nb_params_in_scop.
5750
5751         * graphite.h (nb_params_in_scop): ... here.
5752         (scop_nb_params): Removed.
5753         (loop_domain_dim): Return something even when the loop was not
5754         found in the hash table: avoid ICEing on all the graphite.exp
5755         testcases.
5756
5757 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5758
5759         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5760
5761         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5762         according to nesting level.
5763         (find_scop_parameters): Call instantiate_parameters.
5764         (scan_tree_for_params): Extend it to handle general affine bounds.
5765         Inner loop bound can depend on outer loop induction variable.
5766         (setup_cloog_loop): tmp variable is allocated on stack. Call
5767         instantiate_parameters with respect to outermost_loop_in_scop.
5768         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5769         graphite.h.
5770         (create_empty_loop): Function loopify should be given edge
5771         probability, instead of edge frequency. Dominance relation from
5772         switch_bb to loop_header.
5773         (clast_to_gcc_expression): Added handling of clast_reduction node.
5774         (gloog): New functionality for removing old loop.
5775         (test_dependence): Factored out from build_rdg_all_levels.
5776         (build_rdg_all_levels): Dependence testing factored out to
5777         test_dependence function.
5778
5779         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5780         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5781         from graphite.c
5782
5783 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5784
5785         * graphite.c (free_scop, param_index, initialize_cloog_names,
5786         nb_params_in_scop): Use name_tree map instead of just a tree
5787         for keeping track of the variable name associated to that tree.
5788         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5789         clast_to_gcc_expression, graphite_create_iv,
5790         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5791         graphite_stmt_to_gcc_stmt): New.
5792         (gloog): Call these.
5793         * graphite.h (struct name_tree): New.
5794         (struct scop): Use name_tree instead of tree for params.
5795         Store a vector of name_tree for new_ivs.
5796         (SCOP_NEWIVS): New.
5797         (scop_nb_params): Use name_tree instead of tree.
5798
5799 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5800             Sebastian Pop  <sebastian.pop@amd.com>
5801
5802         * tree-bounds.c: New.
5803         * tree-bounds.h: New.
5804         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5805         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5806         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5807         flag_mudflap.
5808         * gcc.c: Same.
5809         * toplev.c: Same.
5810         * c-cppbuiltin.c: Same.
5811         * c-pragma.c: Same.
5812         * common.opt: Same.
5813         * varasm.c: Same.
5814         * tree-outof-ssa.c: Same.
5815         * c-common.c: Same.
5816         * Makefile.in: Same.
5817
5818 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5819             Sebastian Pop  <sebastian.pop@amd.com>
5820
5821         * tree-loop-distribution.c (remaining_stmts,
5822         upstream_mem_writes): Removed static variables.
5823         (copy_loop_before, create_bb_after_loop,
5824         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5825         rdg_build_components, rdg_build_partitions,
5826         dump_rdg_partitions): Extern.
5827         (generate_loops_for_partition, generate_code_for_partition): Do not
5828         return a bool.
5829         (already_processed_vertex_p, predecessor_has_mem_write,
5830         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5831         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5832         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5833         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5834         Pass remaining_stmts and upstream_mem_writes as parameters.
5835         (rdg_component): Moved...
5836         (build_rdg_partition_for_component): Do not aggregate components when
5837         flag_streamize_loops is set.
5838         (gen_sequential_loops): New.
5839         (ldist_gen): Call gen_sequential_loops.
5840
5841         * tree-pass.h (pass_loop_streamization): Declared.
5842
5843         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5844         basic blocks when loops structures exist.
5845
5846         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5847
5848         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5849
5850         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5851         eliminate_local_variables_stmt, eliminate_local_variables,
5852         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5853         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5854         of code delimited by two edges in the CFG.
5855         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5856         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5857         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5858         the case of parallelisation of reductions.
5859         (create_loop_fn): Extern.
5860         (create_omp_parallel_region): New.
5861
5862         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5863         dump_data_reference for printing dra and drb.
5864         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5865         RDGE_RELATION.
5866         (build_rdg): Don't call free_dependence_relations for the moment, as
5867         we attach dependence relations on each edge of the RDG.
5868         To be fixed later.
5869
5870         * tree-data-ref.h (rdg_component): ...here.
5871         (struct rdg_edge): New field ddr_p relation.
5872         (RDGE_RELATION): New.
5873         (create_bb_after_loop, copy_loop_before,
5874         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5875         rdg_build_partitions, dump_rdg_partitions,
5876         free_rdg_components): Declared.
5877
5878         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5879         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5880
5881         * tree-loop-streamization.c: New.
5882
5883         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5884         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5885
5886         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5887
5888         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5889
5890         * passes.c: Schedule pass_loop_streamization.
5891
5892 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5893
5894         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5895         update comment.
5896
5897 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5898
5899         * graphite.c (dot_all_scops): Update formatting.
5900         Bbs can now be part of more than one SCoP.
5901
5902 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5903
5904         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5905         malloc problems.
5906         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5907         * graphite.h (loop_to_cloog_loop): New.
5908
5909 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5910
5911         * graphite.c (loop_domain_dim, ref_nb_loops,
5912         loop_iteration_vector_dim): New.
5913         (build_access_matrix_with_af, build_access_matrix,
5914         initialize_dependence_polyhedron): Fixed for new matrix layout.
5915         No longer assume that all iteration domains are of the same
5916         dimensionality.
5917
5918 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5919
5920         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5921         defined in a loop at depth 0 is invariant.
5922         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5923         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5924         be called at loop depth 0.
5925
5926         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5927         a parameter.
5928         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5929         (down_open_scop): Removed.
5930         (loop_in_scop_p): Redefined.
5931         (scop_affine_expr): New argument: scop.
5932         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5933         a harmful statement ending a scop.
5934         (basic_block_simple_for_scop_p): New argument: scop.
5935         (get_loop_start): Removed.
5936         (new_scop): Initialize SCOP_LOOPS.
5937         (free_scop): Free SCOP_LOOPS.
5938         (succs_at_same_depth, preds_at_same_depth): New.
5939         (end_scop): Test the validity of a scop.
5940         (add_dominators_to_open_scops): New.
5941         (test_for_scop_bound): Call add_dominators_to_open_scops.
5942         Add cases for opening and closing multiple scops.
5943         (build_scops, build_scop_bbs): Iterate over basic blocks in
5944         depth first order.
5945         (build_graphite_bb): Pass scop directly.
5946         (dfs_bb_in_scop_p): New.
5947         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5948         several times.
5949         (nb_loops_around_gb): Use loop_in_scop_p.
5950         (schedule_to_scattering): Disabled for the moment the code computing
5951         the "textual order for outer loop".
5952
5953         * graphite.h (struct scop): New field loops.
5954         (SCOP_LOOPS): New.
5955         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5956
5957         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5958
5959 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5960             Sebastian Pop  <sebastian.pop@amd.com>
5961
5962         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5963         * common.opt (fstreamize-loops): New.
5964         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5965         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5966         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5967         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5968
5969 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5970
5971         * tree-data-ref.c (build_empty_rdg): New.
5972         (build_rdg): Use it.
5973         * tree-data-ref.h (build_empty_rdg): Declared.
5974         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5975         (find_vertex_for_stmt): Removed.
5976         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5977
5978 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5979
5980         * tree-loop-distribution.c (generate_builtin): After cancelling the
5981         loop tree, also delete basic blocks.
5982         (rdg_flag_uses): Stop recursion when a vertex has already been
5983         processed.
5984
5985 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5986
5987         * graphite.c (build_scop_alpha): Removed.
5988         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5989         and dump_dependence_graph to avoid compiler warnings.
5990
5991 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5992
5993         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5994         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5995         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5996         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5997         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5998         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5999         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6000         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6001         dump_dependence_graph): New.
6002         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6003         (GBB_ALPHA): New.
6004         (struct scop): New field loop2cloog_loop.
6005         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6006         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6007
6008 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6009
6010         * graphite.c (build_graphite_bb): Fix initialization
6011         of the graphite basic block.
6012
6013 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6014
6015         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6016         loop domain matrix.  Pass in the number of loops contained in the
6017         constraint matrix.
6018         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6019         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6020         loops that are not surrounding the current loop are not represented
6021         in the domain constraint matrix.
6022         (build_scop_iteration_domain): Initial domain constraint matrix
6023         contains only the eq/ineq, cst, and scop parameters columns.
6024
6025 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6028         (print_graphite_bb): Print scattering.
6029
6030 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6031
6032         * graphite.c (initialize_cloog_names): Initialize names of
6033         scattering variables.
6034
6035 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6036
6037         * graphite.c (dot_all_scops_1): Disable debug output while
6038         printing graph.
6039
6040 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6041
6042         * graphite.c (find_transform): Change cloog output language to C.
6043
6044 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6045
6046         * tree-loop-distribution.c (generate_memset_zero,
6047         generate_builtin, generate_code_for_partition,
6048         rdg_flag_all_uses): New.
6049         (rdg_flag_uses): Gather in the same partition the statements defining
6050         the VUSES of the current statement.
6051         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6052         Gather in the same partition not only the stores to the same memory
6053         access, but also the reads.
6054         (ldist_generate_loops): Renamed ldist_gen.
6055
6056 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6057             Tobias Grosser  <grosser@fmi.uni-passau.de>
6058
6059         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6060         next pointer, don't use the inner pointer.
6061
6062 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6063
6064         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6065         (find_transform): Call dot_all_1.
6066         * graphite.h (dot_all_scops): Declared.
6067
6068 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6069
6070         * tree-loop-distribution.c: Fix apsi.f ICE.
6071         (create_bb_after_loop): New.
6072         (generate_loops_for_partition): Use it.
6073         * testsuite/gfortran.dg/ldist-1.f90: New.
6074
6075         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6076         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6077
6078 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6079
6080         * graphite.c (find_transform): Dump cloog program sent to cloog.
6081
6082 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6083
6084         * graphite.c (initialize_cloog_names): Initialize cloog
6085         iterator names.
6086
6087 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6088
6089         * graphite.c (build_scop_context): Fix typo, for the matrix
6090         format: insert '0 >= 0' instead of '-1 >= 0'.
6091
6092 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6093
6094         * Fix merge problems.
6095
6096 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6097
6098         * graphite.c (setup_cloog_loop): Fix typo.
6099
6100 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6101
6102         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6103         * tree-loop-distribution.c: Reimplemented.
6104         * tree-pass.h (pass_loop_distribution): New.
6105         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6106         print_loops.
6107         * graphds.h (struct graph): New field indexes.
6108         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6109
6110         * tree-vect-analyze.c: Remove declaration of static functions when not
6111         needed.
6112         * tree-vectorizer.c: Same.
6113         (rename_variables_in_loop): Now extern.
6114         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6115         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6116         calling redirect_edge_and_branch_force.
6117
6118         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6119
6120         * tree-data-ref.c: Don't include tree-chrec.h.
6121         (debug_data_dependence_relations): New.
6122         (dump_data_dependence_relation): Call dump_data_reference on data refs
6123         in the relation.
6124         (same_access_functions): Moved...
6125         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6126         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6127         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6128         struct rdg_vertex_info, ): New.
6129         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6130         at DDR_REVERSED_P.
6131         (create_rdg_vertices): Initialize the htab of graph->indexes.
6132         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6133         (stmts_from_loop): Don't save LABEL_EXPR.
6134         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6135         hash_stmt_vertex_del): New.
6136         (build_rdg): Initialize rdg->indexes.
6137         (free_rdg, stores_from_loop, ref_base_address,
6138         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6139         have_similar_memory_accesses_1, ref_base_address_1,
6140         remove_similar_memory_refs): New.
6141
6142         * tree-data-ref.h: Include tree-chrec.h.
6143         (debug_data_dependence_relations): Declared.
6144         (same_access_functions): ...here.  Now static inline.
6145         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6146         ddr_dependence_level): New.
6147         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6148         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6149         RDG_MEM_READS_STMT): New.
6150         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6151         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6152         rdg_vertex_for_stmt): Declared.
6153         (struct rdg_edge): New field level.
6154         (RDGE_LEVEL, free_rdg): New.
6155         (stores_from_loop, remove_similar_memory_refs,
6156         rdg_defs_used_in_other_loops_p,
6157         have_similar_memory_accesses): Declared.
6158         (rdg_has_similar_memory_accesses): New.
6159
6160         * lambda.h (dependence_level): New.
6161         * common.opt (ftree-loop-distribution): New.
6162         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6163         (print_loop_ir): Renamed print_loops.
6164         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6165         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6166         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6167         (tree-loop-distribution.o): Added.
6168         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6169         (mark_virtual_ops_in_bb): New.
6170         (print_loops_bb, debug_loop_num, debug_loop): New.
6171         * passes.c: Scheduled pass_loop_distribution.
6172
6173 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6174
6175         * graphite.c (scan_tree_for_params): Correct the number of columns
6176         for polylib format.
6177         (nb_flat_iterator): New.
6178         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6179         (build_scop_iteration_domain): Correct the number of columns for
6180         polylib format.
6181
6182 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6183
6184         * Merge from mainline (129697:130800).
6185
6186 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6187
6188         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6189         dominated by SCoP's exit.
6190         (graphite_transform_loops): Compute post dominators.
6191
6192 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6193
6194         * Merge from mainline (127169:129697).
6195
6196 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6197
6198         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6199         parameter for the basic block that contains the expression.  Use
6200         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6201         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6202         the expression.
6203         * graphite.h (gbb_loop): New.
6204         (GBB_LOOP): Removed.
6205
6206 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6207
6208         * Makefile.in: Fix merge problem.
6209
6210 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6211
6212         * Merge from mainline (125309:127169).
6213         * tree-loop-distribution.c: Disabled.
6214
6215 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6216
6217         * Merge from mainline (r123693:125309).
6218
6219 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6220
6221         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6222         correct_modify_p
6223         (correct_modify_p, check_statements, number_of_lvalue_uses,
6224         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6225         instead of MODIFY_EXPR.
6226         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6227         and push new edges.
6228
6229 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6230
6231         * tree-loop-distribution.c (struct rdg): Replace arrays by
6232         VECs for edges and vertices.
6233         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6234         (RDGV_NB_PARTITIONS): New.
6235         (PRDG_NBV, PRDG_NBE): Removed.
6236         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6237         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6238         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6239
6240 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6241             Sebastian Pop  <sebpop@gmail.com>
6242
6243         * doc/invoke.texi (-ftree-loop-distribution): Document.
6244         * tree-loop-distribution.c: New file.
6245         * tree-pass.h (pass_loop_distribution): Declared.
6246         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6247         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6248         and set reversed_p.
6249         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6250         (DDR_REVERSED_P): New.
6251         * common.opt (-ftree-loop-distribution): New.
6252         * tree-flow.h (distribute_loops): Declared.
6253         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6254         * passes.c (init_optimization_passes): Schedule loop distribution.
6255
6256 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6257
6258         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6259         (print_scop): Don't print when scop is NULL.
6260         (build_scop_context, find_transform): Don't output to stderr.
6261
6262 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6263
6264         * tree-data-ref.c: Don't include graphite.h.
6265         Comment out the code for printing data reference's scop.
6266         (build_access_matrix_with_af): Moved...
6267         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6268         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6269         (print_graphite_bb): Print basic block's schedule.
6270         (print_scop): Don't print the schedule, call cloog's pretty printer.
6271         (bb_in_scop_p): A basic block is in a scop only if it is both
6272         dominated and postdominated by the scop's entry and exit basic blocks.
6273         (function_parameter_p): New.
6274         (invariant_in_scop_p): Use function_parameter_p.
6275         (new_scop, save_scop): New.
6276         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6277         save_scop.
6278         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6279         (loop_in_scop_p): New.
6280         (scop_record_loop): Use loop_in_scop_p.
6281         (build_scop_domain): Renamed build_scop_iteration_domain.
6282         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6283         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6284         setup_cloog_loop, dot_scop_1, dot_scop): New.
6285         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6286         (struct scop): Add a pointer to cloog's representation of a program.
6287
6288 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6289
6290         * doc/invoke.texi (-ftree-check-verbose): Renamed
6291         -ftree-checks-verbose.
6292         * common.opt (flag_tree_check_verbose): Renamed
6293         flag_tree_checks_verbose.
6294         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6295
6296 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6297
6298         * configure: Regenerated.
6299         * config.in: Regenerated.
6300         * tree-ssa-loop.c (graphite_transforms): Execute
6301         graphite_transform_loops only when HAVE_cloog.
6302         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6303         * graphite.c: Include polylibgmp.h and cloog.h.
6304         (graphite_transform_loops): Removed loops parameter.
6305         * tree-flow.h (graphite_transform_loops): Update declaration.
6306         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6307         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6308         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6309         (OBJS-common): Remove dependence on graphite.o.
6310         (BACKEND): Depend on @GRAPHITE@.
6311
6312 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6313
6314         * doc/invoke.texi (-ftree-check-verbose): Documented.
6315         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6316         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6317         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6318         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6319         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6320         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6321         * common.opt (ftree-checks-verbose): New.
6322         * tree-check.c (tree_check_warning): Move extra stderr output
6323         under control of flag_tree_check_verbose.
6324
6325 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6326
6327         * tree-match.c: Fix comments formatting.
6328         * tree-match.h: Fix comments formatting.
6329         * tree-check.c: Fix comments formatting.
6330         (tree_check_init): Restructure.
6331
6332 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6333
6334         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6335
6336 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6337
6338         * Merge from mainline (r120733:123693).
6339
6340 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6341
6342         * condate.y: New file.
6343         * tree-match.h (struct patt_info_s): New field sign.
6344         (struct condate_s): New field msg.
6345         (normalize_condate, name_condate, add_condate): New.
6346         (conds[], condate_parse): Made extern.
6347         * tree-check.c (tree_check_warning): First arg changed to cond;
6348         warning reformatted.
6349         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6350         (tree_scan): New.
6351         (tree_check): Process trivial condates.
6352         (read_delimited_string): Removed.
6353         (print_cond): Print name and msg.
6354         (conds[]): Made extern.
6355         (parse_tree_check_file_once): Rewritten to use the parser in
6356         condate.y.
6357         Processing of option --tree_check_string moved to tree_scan().
6358         * Makefile.in: Added condate.y
6359
6360 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6361
6362         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6363         Use VECs instead of varrays.
6364         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6365         * Makefile.in (pretty-print.o): Depend on vec.h.
6366         * pretty-print.c: Include tree.h and vec.h.
6367         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6368         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6369         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6370         pp_free_list): Use VECs instead of varrays.
6371         * pretty-print.h: Do not include varray.h.
6372         (struct tree_chunk_s): Declaration moved before its use.
6373         (output_buffer): Rename varray field to chunks.
6374         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6375         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6376         save_global_holes): Use VECs instead of varrays.
6377         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6378         * tree-check.c (scan_cfg_stmts, push_node,
6379         print_matching_stmt): Removed.
6380         (tree_check_instance, push_global_holes_if_new, tree_check,
6381         execute_tree_check): Use VECs instead of varrays.
6382         (gate_tree_check): Don't execute the CFG check when basic_block_info
6383         is not available.
6384
6385 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6386
6387         * Merge from mainline (r115016:120733).
6388
6389 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6390
6391         * Merge from mainline (r117632:117661).
6392
6393 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6394
6395         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6396         * tree-pass.h (TDF_DEBUG, debug_p): New.
6397         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6398         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6399         get_loop_exit_condition, analyze_evolution_in_loop,
6400         analyze_initial_condition, analyze_scalar_evolution,
6401         instantiate_parameters, number_of_latch_executions): Use debug_p.
6402         * tree-chrec.c (chrec_apply): Use debug_p.
6403         * tree-data-ref.c: Include graphite.h.
6404         (dump_data_reference): Print also the access matrix.
6405         (analyze_array, analyze_indirect_ref, init_data_ref,
6406         analyze_offset_expr, address_analysis, object_analysis,
6407         create_data_ref, finalize_ddr_dependent,
6408         non_affine_dependence_relation, analyze_ziv_subscript,
6409         analyze_siv_subscript_cst_affine,
6410         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6411         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6412         analyze_miv_subscript, analyze_overlapping_iterations,
6413         build_classic_dist_vector, subscript_dependence_tester,
6414         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6415         (build_access_matrix_with_af): No longer static.
6416         * tree-data-ref.h (scop_p): ... declaration here.
6417         (data_reference.scop): New field.
6418         (DR_SCOP, DR_ACCESS_MATRIX): New.
6419         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6420         * graphite.c (print_graphite_bb): Call dump_data_references.
6421         (print_scop): Use scop_nb_loops and scop_dim_domain.
6422         (test_for_scop_bound): Use debug_p.
6423         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6424         scop_nb_params.
6425         (scop_loop_index): Moved...
6426         (scop_record_loop): New.
6427         (build_scop_loop_nests): Use scop_record_loop.
6428         (build_scop_domain): Use scop_dim_domain.
6429         (build_access_matrix): Implemented.
6430         (build_scop_canonical_schedules): Use scop_nb_loops.
6431         (build_graphite_bb): Initialize GBB_SCOP.
6432         * graphite.h (scop_p): Moved...
6433         (graphite_bb.scop): New field.
6434         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6435         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6436         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6437         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6438         scop_loop_index): New.
6439         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6440
6441 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6442
6443         * Merge from mainline (r117661:120450).
6444
6445 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6446
6447         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6448         at the first declaration outside the varying loop, instantiate as
6449         far as possible.
6450         * tree-chrec.c (for_each_scev_op): New.
6451         * tree-chrec.h (for_each_scev_op): Declared.
6452         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6453         * tree-data-ref.c (get_references_in_stmt,
6454         find_data_references_in_stmt): New, from trunk.
6455         (find_data_references_in_loop): Use get_references_in_stmt
6456         and find_data_references_in_loop, modified as in trunk.
6457         (build_access_matrix_with_af): New.
6458         * tree-data-ref.h (data_reference): Add a field access_matrix.
6459         (data_ref_loc): New, as in trunk.
6460         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6461         invariant_in_scop_p, param_index, scan_tree_for_params,
6462         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6463         idx_record_param, idx_record_params, build_access_matrix,
6464         build_scop_data_accesses, build_scop_canonical_schedules,
6465         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6466         build_scop_params): New.
6467         * graphite.h (graphite_bb): New.
6468         (scop): Add fields static_schedule, params, loop_nest,
6469         iteration_domain.
6470         * lambda.h: Declare vecs of lambda_matrix.
6471         * tree-flow.h (print_loop_ir_bb): Declared.
6472         * tree-cfg.c (print_loop_ir_bb): New.
6473         (print_loop): Use print_loop_ir_bb.
6474
6475 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6476
6477         * Merge from mainline (r115016:117632).
6478
6479 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6480
6481         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6482         break due to a warning.
6483
6484 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6485
6486         * graphite.c (print_scops, debug_scops): New.
6487         (graphite_transform): Renamed graphite_find_transform.
6488         * graphite.h (debug_scops): Declared.
6489
6490 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6491
6492         * tree-match.c: Reformat following the GNU style.
6493         * tree-match.h: Reformat following the GNU style.
6494         * tree-pattern.h: Removed empty file.
6495         * Makefile.in: Remove references to tree-pattern.h.
6496         * tree-check.c: Reformat following the GNU style.
6497         (execute_tree_check): Move gate condition code to...
6498         (gate_tree_check): ...here.  New function.
6499         (pass_check): Use the gate function.
6500
6501 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6502
6503         * tree-pattern.h: New. Tree pattern matching and checking using
6504         concrete syntax.
6505         * tree-check.c: New. Tree/CFG checking pass.
6506         * tree-match.c: New. Library for tree pattern matching.
6507         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6508         * toplev.c, flags.h: Add globals for tree-check pass.
6509         * Makefile.in: Integrate the files in tree-check pass.
6510         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6511         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6512         Introduce a "lazy" pretty-print mode.
6513         * tree.c, tree.h: Add tree_name.
6514
6515 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6516
6517         * doc/invoke.texi (-fgraphite): Correct typo.
6518         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6519         use of print_loop_ir.
6520         * testsuite/gcc.dg/graphite/scop-1.c: New.
6521         * testsuite/gcc.dg/graphite/scop-2.c: New.
6522         * testsuite/gcc.dg/graphite/graphite.exp: New.
6523         * graphite.c: Include domwalk.h.
6524         (print_scop): Print only the entry and exit blocks.
6525         (debug_scop): No longer static.
6526         (affine_expr): Fix formating.  Return also true when the expression is
6527         constant.
6528         (stmt_simple_for_scop_p): Fix formating.
6529         (build_scops): Use domwalk.
6530         (get_loop_start, end_scop, test_for_scop_bound): New.
6531         (graphite_transform_loops): Avoid printing on stderr.
6532         * graphite.h (debug_scop): Declared.
6533         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6534         * Makefile.in (graphite.o): Depend on domwalk.h.
6535         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6536         declarations for static functions.
6537         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6538         controlling output verbosity.
6539
6540 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6541             Plesco Alexandru  <shurikx@gmail.com>
6542
6543         * doc/invoke.texi (-fgraphite): Document.
6544         * tree-pass.h (pass_graphite_transforms): Declared.
6545         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6546         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6547         (pass_graphite_transforms): Defined.
6548         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6549         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6550         * graphite.c, graphite.h: New.
6551         * common.opt (fgraphite): Declared.
6552         * tree-flow.h (graphite_transform_loops): Declared.
6553         * Makefile.in (OBJS-common): Add graphite.o.
6554         (graphite.o): New rule.
6555         * passes.c (pass_graphite_transforms): Scheduled.
6556