gcc/ChangeLog.graphite

   1 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42178
   4         * graphite-interchange.c (lst_try_interchange_loops): Do not return
   5         the before, nest, and after LSTs.
   6         (lst_try_interchange): Removed.
   7         (lst_interchange_select_inner): Do not iterate over the LSTs if they
   8         were modified.
   9         (lst_interchange_select_outer): Apply interchange on the outer loop
  10         until there are no more changes in the inner loops.
  11
  12 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  13
  14         Revert patch fixing PR middle-end/42221.
  15
  16 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         PR middle-end/42180
  19         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
  20         GIMPLE_CALL.
  21
  22         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
  23
  24 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         PR middle-end/42180
  27         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
  28         that contain only one statement.
  29
  30         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
  31
  32 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         PR middle-end/42393
  35         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
  36
  37 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         PR middle-end/42186
  40         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
  41
  42 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR middle-end/42205
  45         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
  46         Insert the reduction copy in the same block as the phi node.
  47         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
  48
  49         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
  50         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
  51
  52 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  53
  54         PR middle-end/42221
  55         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  56         the array indexing of ADDR_EXPRs.
  57
  58         * testsuite/gcc.dg/graphite/pr42221.c: New.
  59
  60 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         PR middle-end/42178
  63         PR middle-end/42334
  64         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
  65         index.  Call lst_interchange_select_inner only once.
  66         (lst_interchange_select_inner): Update use of lst_try_interchange.
  67         (lst_interchange_select_outer): Update.
  68
  69 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         PR middle-end/42178
  72         PR middle-end/42334
  73         * graphite-interchange.c (lst_try_interchange): Do not increment the
  74         the OUTER index when there is no AFTER kernel.  Do not increment the
  75         OUTER index for after processing the AFTER kernel.
  76         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
  77         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
  78         index.  Do not pass to lst_interchange_select_inner the OUTER index.
  79         (scop_do_interchange): Update use of lst_interchange_select_outer.
  80
  81         * testsuite/gfortran.dg/graphite/graphite.exp
  82         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
  83         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
  84         the graphite dump file.
  85         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
  86         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
  87
  88 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         PR middle-end/42178
  91         PR middle-end/42334
  92         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
  93         that are empty.
  94         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
  95         (lst_try_interchange): Reimplemented.
  96         (lst_interchange_select_inner): Same.
  97         (lst_do_interchange): Renamed lst_interchange_select_outer.
  98         Reimplemented.
  99         (scop_do_interchange): Update use of lst_interchange_select_outer.
 100
 101         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 102         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 103         * testsuite/gcc.dg/graphite/pr42211.c: New.
 104         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 105
 106 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 107
 108         PR middle-end/42181
 109         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 110         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 111
 112         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 113
 114 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 115
 116         PR middle-end/42284
 117         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 118         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 119         (detect_commutative_reduction_arg): Simplified.
 120         (detect_commutative_reduction): Early return when the argument of
 121         the close phi is not of an SSA_NAME.
 122
 123         * testsuite/gcc.dg/graphite/pr42284.c: New.
 124
 125 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 126
 127         * dbgcnt.def (graphite_scop): New counter.
 128         * graphite.c: Include dbgcnt.h
 129         (graphite_transform_loops): Use new counter to limit transformations.
 130
 131 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 132
 133         PR middle-end/42285
 134         * graphite-scop-detection.c (graphite_can_represent_init): Also
 135         handle more complex MULT_EXPRs containing parameters by recursion
 136         on the structure.
 137
 138         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 139
 140 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 141
 142         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 143
 144 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 145
 146         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 147
 148 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 149
 150         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 151         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 152
 153 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 154
 155         PR middle-end/42130
 156         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 157         translate_clast_for_loop): New.
 158         (translate_clast_for): Add a condition around the loop, to do not
 159         execute loops with zero iterations.
 160         * testsuite/g++.dg/graphite/pr42130.C: New.
 161         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 162
 163 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 164
 165         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 166         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 167         Remove context_loop and level.
 168
 169 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 170
 171         * graphite-clast-to-gimple.c (translate_clast_user,
 172         translate_clast_for, translate_clast_guard): Simplify and move common
 173         elements to translate_clast().
 174         (translate_clast): Simplify and get common elements.
 175
 176 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 177
 178         * graphite-clast-to-gimple.c (translate_clast_user,
 179         translate_clast_for, translate_clast_guard): Split out of
 180         translate_clast.
 181
 182 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 183
 184         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 185         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 186         debug_clast_name_indexes_1, debug_clast_name_indexes,
 187         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 188         (clast_name_to_gcc, clast_to_gcc_expression,
 189         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 190         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 191         graphite_create_guard_cond_expr, graphite_create_new_loop,
 192         translate_clast): Add params_index.
 193         (initialize_cloog_names): Create parameter strings from scratch, do
 194         not reference other strings.
 195         (create_params_index): New.
 196         (gloog): Initialize params_index.
 197         * graphite-scop-detection (free_scops_1): Removed.
 198         (limit_scops): Use normal free_scops.
 199         * graphite-sese-to-poly.c (save_var_names): Removed.
 200         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 201         and SESE_PARAMS_INDEX.
 202         * sese.c (new_sese, free_sese): Dito.
 203         * sese.h (struct sese): Remove params_index, params_names.
 204         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 205
 206 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         Revert the following patch from 2009-09-14:
 209         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 210         tree-scalar-evolution.h, and then tree-data-ref.h.
 211         * graphite-clast-to-gimple.c: Same.
 212         * graphite-dependences.c: Same.
 213         * graphite-interchange.c: Same.
 214         * graphite-poly.c: Same.
 215         * graphite-scop-detection.c: Same.
 216         * graphite-sese-to-poly.c: Same.
 217         * graphite.c: Same.
 218         * lambda-code.c: Same.
 219         * matrix-reorg.c: Same.
 220         * tree-data-ref.c: Same.
 221         * tree-if-conv.c: Same.
 222         * tree-loop-distribu: Same.: Same.
 223         * tree-loop-linear.c: Same.
 224         * tree-parloops.c: Same.
 225         * tree-predcom.c: Same.
 226         * tree-vect-patterns.c: Same.
 227
 228 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         Revert patch from 2009-09-14.
 231         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 232         passes at -O1 and below.
 233
 234 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         PR middle-end/40281
 237         * testsuite/gcc.dg/graphite/pr40281.c: New.
 238
 239         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 240         evolutions should not variate in inner loops.
 241
 242 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         PR middle-end/42050
 245         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 246
 247 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 250         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 251
 252 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-blocking.c (scop_do_block): New.
 255         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 256         * graphite-poly.h (scop_do_block): Declared.
 257
 258 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 261         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 262         to transform depth into the time_depth before calling
 263         pbb_number_of_iterations_at_time.
 264         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 265         lst_depth.
 266
 267 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 268
 269         Reverted the patch for "scattering permutations" from 2009-10-28.
 270
 271         * graphite-poly.c (print_permutation): New.
 272         (debug_permutation): New.
 273         (new_poly_bb): Initialize PBB_PERMUTATION.
 274         (free_poly_bb): Free PBB_PERMUTATION.
 275         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 276         (struct pbb_permutation_elt): New.
 277         (PBB_PERMUTATION_ELT_STRIDE): New.
 278         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 279         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 280         (new_pbb_permutation_elt): New.
 281         (pbb_permutation_elt_free): New.
 282         (struct poly_bb): Add field permutation.
 283         (PBB_PERMUTATION): New.
 284         (print_permutation): Declared.
 285         (debug_permutation): Declared.
 286
 287 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 288
 289         * graphite-interchange.c (build_partial_difference): New.
 290         (memory_stride_in_loop): Refactored the computation of
 291         equality constraints into build_partial_difference function.
 292         Added support for debugging stride computations.
 293
 294 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * graphite-clast-to-gimple.c (gloog): Free if_region,
 297         if_region->true_region, and if_region->region.
 298         * sese.c (if_region_set_false_region): Free if_region->false_region.
 299         (create_if_region_on_edge): Do not use GGC_NEW.
 300         (move_sese_in_condition): Remove useless initialization.
 301
 302 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 305         for the loops created by the loop distribution.  Do not modify the
 306         input LSTs.
 307         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 308         transformed schedule.  Call lst_update_scattering before data
 309         dependence analysis.
 310         (lst_try_interchange): Pass an extra parameter INDEX.
 311         (lst_do_interchange_1): New.
 312         (lst_do_interchange): Call lst_do_interchange_1.
 313         (scop_do_interchange): Call lst_update_scattering.
 314         * graphite-poly.c (apply_poly_transforms): Do not call
 315         lst_update_scattering.
 316         * graphite-poly.h (lst_pred): New.
 317         (lst_succ): New.
 318         (lst_find_first_pbb): Return NULL when not found.
 319         (lst_empty_p): New.
 320         (lst_insert_in_sequence): Allow LST1 to be NULL.
 321         (lst_replace): New.
 322         (lst_substitute_3): New.
 323         * gcc.dg/graphite/interchange-1.c: XFail.
 324         * gcc.dg/graphite/interchange-8.c: XFail.
 325         * gcc.dg/graphite/interchange-11.c: XFail.
 326
 327 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 328
 329         * graphite-interchange.c (lst_perfectly_nested_p): New.
 330         (lst_perfect_nestify): New.
 331         (lst_try_interchange_loops): Call store_lst_schedule,
 332         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 333         (scop_do_interchange): Avoid redundant legality test.
 334         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 335         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 336         * graphite-poly.h (psct_static_dim): New.
 337         (lst_dewey_number_at_depth): New.
 338         (lst_find_pbb): Restructured.
 339         (lst_find_first_pbb): Restructured.
 340         (lst_find_last_pbb): New.
 341         (lst_contains_p): New.
 342         (lst_contains_pbb): New.
 343         (lst_create_nest): New.
 344         (lst_remove_from_sequence): New.
 345         (pbb_update_scattering): New.
 346         (lst_update_scattering_under): New.
 347         (lst_update_scattering_seq): New.
 348         (lst_update_scattering): New.
 349         (lst_insert_in_sequence): New.
 350         (lst_distribute_lst): New.
 351         (lst_remove_all_before_including_pbb): New.
 352         (lst_remove_all_before_excluding_pbb): New.
 353
 354 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 357         get_loop_exit_edges.
 358
 359 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 362
 363 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 364
 365         * graphite-poly.c (print_permutation): New.
 366         (debug_permutation): New.
 367         (new_poly_bb): Initialize PBB_PERMUTATION.
 368         (free_poly_bb): Free PBB_PERMUTATION.
 369         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 370         (struct pbb_permutation_elt): New.
 371         (PBB_PERMUTATION_ELT_STRIDE): New.
 372         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 373         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 374         (new_pbb_permutation_elt): New.
 375         (pbb_permutation_elt_free): New.
 376         (struct poly_bb): Add field permutation.
 377         (PBB_PERMUTATION): New.
 378         (print_permutation): Declared.
 379         (debug_permutation): Declared.
 380
 381 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 382
 383         * graphite-clast-to-gimple.c (gloog): Do not call
 384         sese_reset_aux_in_loops.
 385         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 386         extra argument for domains.  Do not use loop->aux.
 387         (build_scop_iteration_domain): Initialize and free domains, pass it
 388         to build_loop_iteration_domains and extract the information from
 389         domains.  Do not use loop->aux.
 390         * sese.c (sese_reset_aux_in_loops): Removed.
 391         * sese.h (sese_reset_aux_in_loops): Removed.
 392
 393 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 396         (dependency_in_loop_p): Same.
 397         (translate_clast): Do not use loop->aux.  Initialize
 398         loop->can_be_parallel.
 399         (mark_loops_parallel): Removed.
 400         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 401         * graphite.c (free_aux_in_new_loops): Removed.
 402         (graphite_finalize): Do not call free_aux_in_new_loops.
 403         (graphite_transform_loops): Do not call mark_loops_parallel.
 404
 405 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 406
 407         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 408         (translate_clast): Pass an extra parameter LEVEL.
 409         Call get_scattering_level.
 410         * graphite-clast-to-gimple.h (get_scattering_level): New.
 411
 412 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 413
 414         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 415         * cfgloop.h (struct loop): New field single_iv.
 416
 417         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 418         loop->aux anymore: use loop->single_iv.
 419         (graphite_loop_normal_form): Moved...
 420         (build_graphite_loop_normal_form): Removed.
 421         (gloog): Do not call build_graphite_loop_normal_form.
 422         (free_aux_in_new_loops): Moved...
 423         (mark_loops_parallel): Restructure.
 424         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 425         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 426         (scop_canonicalize_loops): New.
 427         (build_poly_scop): Call scop_canonicalize_loops.
 428         * graphite.c (free_aux_in_new_loops): ...here.
 429
 430 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         * g++.dg/graphite/graphite.exp: Add the same rules as in
 433         gcc.dg/graphite/graphite.exp.
 434
 435 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 436
 437         * g++.dg/graphite/id-1.C: New.
 438
 439 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 442         argument base_name.
 443         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 444         (rewrite_phi_out_of_ssa): Same.
 445         (rewrite_cross_bb_scalar_deps): Same.
 446         (translate_scalar_reduction_to_array): Same.
 447
 448 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 451         dump_alias_graphs.
 452
 453 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 454
 455         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 456         (build_scop_drs): Call dump_alias_graphs.
 457
 458 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 461         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 462         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 463         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 464         * graphite-poly.h (free_lst): New.
 465         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 466         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 467
 468 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 469
 470         * graphite-poly.h (struct scop): Add a field saved_schedule.
 471         (SCOP_SAVED_SCHEDULE): New.
 472         (store_lst_schedule): New.
 473         (restore_lst_schedule): New.
 474         (store_scattering): Call store_lst_schedule.
 475         (restore_scattering): Call restore_lst_schedule.
 476
 477 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 480         (pdr_add_alias_set): Same.
 481         (build_poly_dr): Same.
 482         (build_alias_set_optimal_p): Same.
 483         (build_base_obj_set_for_drs): Same.  Do not store the result of
 484         graphds_dfs.
 485
 486 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 487
 488         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 489         all_components_are_cliques to 1.
 490
 491 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 492
 493         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 494         the new structure.
 495         (pdr_add_alias_set): Update retrieving alias_set_num.
 496         (build_poly_dr): Update retrieving dr_base_object_set.
 497         (partition_drs_to_sets): Remove.
 498         (build_alias_set_optimal_p): New.
 499         (build_alias_set_for_drs): Rename.
 500         (build_scop_drs): Update.
 501         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 502         (ALIAS_SET_INDEX): Remove.
 503         (BASE_OBJECT_SET_INDEX): Remove.
 504
 505 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 508
 509 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 510
 511         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 512         loop upper bounds for 1-element arrays at end of structures.
 513         * tree-flow.h (array_at_struct_end_p): Declared.
 514         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 515
 516 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 517
 518         * g++.dg/graphite/pr41305.C: New.
 519
 520 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 521
 522         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 523         construction of parameter constraints from loop iteration analysis.
 524         * gcc.dg/graphite/run-id-2.c: New test.
 525
 526 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 529         and new_cstr.
 530
 531 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 532
 533         * graphite-dependences.c (dependence_polyhedron_1): Remove
 534         unused gdim dimensions from the DDR polyhedron.
 535
 536 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-dependences.c (pddr_transformed_scattering): New.
 539         (dot_original_deps_stmt_1): New.
 540         (dot_transformed_deps_stmt_1): New.
 541         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 542         dot_transformed_deps_stmt_1.
 543         (dot_original_deps): New.
 544         (dot_transformed_deps): New.
 545         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 546
 547 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         * graphite-dependences.c (reduction_dr_1): Remove wrong
 550         assert: reduction BBs can have multiple reduction writes
 551         to memory.  interchange-3.f90 is an example.
 552
 553 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 554
 555         * gfortran.dg/graphite/interchange-3.f90: New.
 556
 557 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 560
 561 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-dependences.c (dependence_polyhedron_1): Add the
 564         context to the dependence polyhedron.
 565
 566 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 569         PBB_PDR_DUPLICATES_REMOVED.
 570         (new_poly_bb): Same.
 571
 572 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 575         SCOP_CONTEXT.
 576         (build_loop_iteration_domains): Extract bounds on parameters
 577         based on the data size.
 578         (build_scop_context): Do not initialize SCOP_CONTEXT;
 579         add new constraints.
 580
 581 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 584         * graphite-ppl.h (graphite-ppl.h): Declared.
 585
 586 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 587
 588         * graphite-ppl.c (ppl_print_linear_expr): New.
 589         (debug_ppl_linear_expr): New.
 590         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 591         (debug_ppl_linear_expr): Declared.
 592
 593 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-interchange.c: Fix comments.
 596         * gcc.dg/graphite/block-1.c: Fix comments.
 597
 598 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 601         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 602
 603 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         Reapply the patch from Alexander Monakov that disappeared during
 606         the last merges from trunk.
 607
 608         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 609
 610         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 611         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 612
 613 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         * graphite-interchange.c (memory_stride_in_loop): The depth
 616         argument corresponds to a dynamic time dimension, so use
 617         psct_dynamic_dim to refer to the transformed scattering dimension.
 618
 619 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 622
 623 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 626         root of the LST.
 627         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 628         the root of the LST.
 629         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 630         fake loop.
 631         (print_lst): Print the root of LST in a different format.
 632         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 633
 634 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 637
 638 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * doc/passes.texi: Document the Graphite infrastructure.
 641
 642 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 643
 644         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 645         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 646         and check the SSA representation.
 647
 648         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 649
 650 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 651
 652         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 653
 654 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         * gcc.dg/graphite/interchange-11.c: New.
 657
 658 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 659
 660         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 661
 662 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 665         Add -fno-loop-strip-mine and -fno-loop-interchange.
 666         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 667         -fno-loop-strip-mine.
 668         * gfortran.dg/graphite/graphite.exp: Same.
 669
 670 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 671
 672         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 673         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 674         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 675         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 676         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 677         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 678         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 679         DEFAULT_FLAGS_GRAPHITE_SCOP.
 680         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 681         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 682
 683 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 684
 685         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 686
 687 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 688             Sebastian Pop  <sebastian.pop@amd.com>
 689
 690         * graphite-interchange.c (build_linearized_memory_access): Pass an
 691         offset as parameter.
 692         (memory_stride_in_loop): Include transform scattering in the
 693         access functions to be able to querry the strides in the
 694         transformed loops.
 695         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 696         not the psct_iterator_dim.
 697
 698 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 699
 700         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 701         (lst_do_strip_mine_loop): New.
 702         (lst_do_strip_mine): New.
 703         (scop_do_strip_mine): Call lst_do_strip_mine.
 704         * graphite-poly.h (lst_add_loop_under_loop): New.
 705         (lst_find_first_pbb): New.
 706
 707 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * graphite-poly.c (loop_to_lst): Fix LST creation.
 710
 711 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 712
 713         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 714         sizeof(unsigned long) to make it run on 32bit systems.
 715
 716 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 717
 718         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 719         SEGFAULT on 32bit.
 720
 721 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 722
 723         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 724         Comment.
 725         (write_alias_graph_to_ascii_dot): New.
 726         (write_alias_graph_to_ascii_ecc): Ditto.
 727         (partition_drs_to_sets): Add testing of optimality of current method
 728         which assigns alias numbers according to DFS Comopnent number.  used
 729         as heuristic for the upcoming ECC algorithm.
 730         (build_scop_drs): Write to file also with the ecc and dot format.
 731
 732 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 733
 734         * gfortran.dg/graphite/interchange-1.f: XFail.
 735
 736 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite.c (graphite_initialize): Do not handle functions with
 739         more than 100 basic blocks.
 740
 741 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 742
 743         * graphite-blocking.c (pbb_do_strip_mine): Use
 744         PARAM_LOOP_BLOCK_TILE_SIZE.
 745
 746 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * graphite-poly.c (dot_lst_1): New.
 749         (dot_lst): New.
 750         * graphite-poly.h (dot_lst): Declared.
 751
 752 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-dependences.c (dot_deps_stmt_1): New.
 755         (dot_deps_stmt): New.
 756         * graphite-dependences.h (dot_deps_stmt): Declared.
 757
 758 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 759
 760         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 761         not replace cross BB scalar dependences ending on PHI nodes.
 762         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 763
 764 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * graphite-poly.c (apply_poly_transforms): Implement the high
 767         level driver for flag_loop_block.
 768         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 769         flag_loop_block.
 770
 771         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 772         -floop-block.
 773         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 774         Add -floop-block.
 775
 776 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 777
 778         * graphite-poly.h (lst_find_pbb): New.
 779         (find_lst_loop): New.
 780
 781 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 784         * graphite-poly.h (struct scop): Remove dep_graph field.
 785         (SCOP_DEP_GRAPH): Removed.
 786
 787 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-poly.h (copy_lst): Do full copy of LST.
 790
 791 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 794         when the loop stride is zero.
 795
 796         * gcc.dg/graphite/id-16.c: New.
 797
 798 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-dependences.c (reduction_dr_1): New.
 801         (reduction_dr_p): New.
 802         (graphite_legal_transform_dr): Call reduction_dr_p.
 803         (reduction_ddr): Renamed reduction_ddr_p.
 804         * graphite-poly.h (same_pdr_p): New.
 805         (number_of_write_pdrs): New.
 806         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 807         (split_reduction_stmt): Do not split reduction statements
 808         when there are no writes to memory.
 809         (translate_scalar_reduction_to_array_for_stmt): Insert the
 810         memory reduction statement just after the scalar reduction statement.
 811
 812         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 813         Un-XFAIL-ed.
 814         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 815         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 816
 817 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 818
 819         * graphite-interchange.c (lst_apply_interchange): New.
 820         (lst_interchange_profitable_p): New.
 821         (lst_try_interchange_loops): New.
 822         (lst_try_interchange): New.
 823         (lst_do_interchange): New.
 824         (pbb_do_interchange): Removed.
 825         (scop_do_interchange): Call lst_do_interchange.
 826
 827 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 830         SCOP_TRANSFORMED_SCHEDULE.
 831         (loop_to_lst): New.
 832         (scop_to_lst): New.
 833         (print_lst): New.
 834         (debug_lst): New.
 835         * graphite-poly.h (lst_p): New.
 836         (struct lst): New.
 837         (LST_LOOP_P): New.
 838         (LST_LOOP_FATHER): New.
 839         (LST_PBB): New.
 840         (LST_SEQ): New.
 841         (scop_to_lst): Declared.
 842         (print_lst): Declared.
 843         (debug_lst): Declared.
 844         (new_lst_loop): New.
 845         (new_lst_stmt): New.
 846         (copy_lst): New.
 847         (lst_depth): New.
 848         (lst_dewey_number): New.
 849         (struct scop): Add original_schedule and transformed_schedule fields.
 850         (SCOP_ORIGINAL_SCHEDULE): New.
 851         (SCOP_TRANSFORMED_SCHEDULE): New.
 852         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 853
 854 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         * graphite-dependences.c (reduction_ddr): New.
 857         (graphite_legal_transform_bb): Call reduction_ddr.
 858         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 859         Initialize PBB_IS_REDUCTION.
 860         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 861         (PBB_IS_REDUCTION): New.
 862         (new_poly_bb): Update declaration.
 863         * graphite-scop-detection.h (build_scop_bbs): Removed.
 864         (nb_reductions_in_loop): Removed.
 865         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 866         parameter for reductions.
 867         (try_generate_gimple_bb): Update call to new_poly_bb.
 868         (build_scop_bbs_1): Same.
 869         (build_scop_bbs): Same.
 870         (gsi_for_phi_node): New.
 871         (scalar_close_phi_node_p): Remove gcc_assert.
 872         (split_reduction_stmt): New.
 873         (is_reduction_operation_p): New.
 874         (phi_contains_arg): New.
 875         (follow_ssa_with_commutative_ops): New.
 876         (detect_commutative_reduction_arg): New.
 877         (detect_commutative_reduction_assign): New.
 878         (follow_inital_value_to_phi): New.
 879         (edge_initial_value_for_loop_phi): New.
 880         (initial_value_for_loop_phi): New.
 881         (detect_commutative_reduction): New.
 882         (translate_scalar_reduction_to_array_for_stmt): New.
 883         (insert_copyout): New.
 884         (insert_copyin): New.
 885         (translate_scalar_reduction_to_array): New.
 886         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 887         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 888         (rewrite_commutative_reductions_out_of_ssa): New.
 889         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 890         * sese.h (split_region_for_bb): New.
 891
 892         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 893         * gcc.dg/graphite/interchange-1.c: Fix format.
 894         * gcc.dg/graphite/interchange-10.c: New.
 895
 896 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 899         buggy assert.
 900
 901 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 904         (rewrite_cross_bb_scalar_dependence): New.
 905         (rewrite_cross_bb_scalar_deps): New.
 906         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 907         Call rewrite_cross_bb_scalar_deps.
 908
 909 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 910
 911         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 912         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 913         gsi_for_stmt.
 914
 915 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 918         * graphite-interchange.c (pbb_do_interchange): Same.
 919         * graphite-poly.c (print_scattering_function): Same.
 920         (debug_pdrs): Same.
 921         * graphite-poly.h (pbb_loop): New.
 922         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 923
 924 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 925
 926         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 927
 928 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 929
 930         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 931         so don't pass a pointer to it.
 932         (build_alias_set_for_drs): Same.
 933         (build_base_obj_set_for_drs): Same.
 934         (build_scop_drs): Same.
 935
 936 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 937
 938         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 939         the alias graph of data references.
 940
 941 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 942
 943         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 944         (build_scop_drs): When debugging, write the alias graph to file,
 945         otherwise, should be disabled.
 946
 947 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 950         (is_simple_operand): Remove call to stmt_simple_memref_p.
 951         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 952
 953 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 954
 955         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 956         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 957         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 958         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 959         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 960
 961 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 962
 963         PR middle-end/41118
 964         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 965         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 966         (graphite_carried_dependence_level_k): Ditto.
 967         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 968         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 969         (new_poly_dr): Adjust declaration.
 970         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 971         (free_gimple_bb): Added free_data_refs_aux.
 972         (build_poly_dr): Add dr_base_object_set.
 973         (partition_drs_to_sets): New.
 974         (dr_same_base_object_p): New.
 975         (build_alias_set_for_drs): New.
 976         (build_base_object_set_for_drs): New.
 977         (build_scop_drs): Add build_base_obj_set_for_drs.
 978         * graphite-sese-to-poly.h: Added #define for alias set number index and
 979         base object set index.
 980         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 981         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 982
 983 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 984
 985         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 986         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 987
 988 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-sese-to-poly.c (struct irp_data): Removed.
 991         (idx_record_params): Removed.
 992         (find_params_in_bb): Scan for parameters the access functions; don't
 993         parse the tree representation.
 994
 995 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 998         passes at -O1 and below.
 999
1000 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1001
1002         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1003         tree-scalar-evolution.h, and then tree-data-ref.h.
1004         * graphite-clast-to-gimple.c: Same.
1005         * graphite-dependences.c: Same.
1006         * graphite-interchange.c: Same.
1007         * graphite-poly.c: Same.
1008         * graphite-scop-detection.c: Same.
1009         * graphite-sese-to-poly.c: Same.
1010         * graphite.c: Same.
1011         * lambda-code.c: Same.
1012         * matrix-reorg.c: Same.
1013         * tree-data-ref.c: Same.
1014         * tree-if-conv.c: Same.
1015         * tree-loop-distribu: Same.: Same.
1016         * tree-loop-linear.c: Same.
1017         * tree-parloops.c: Same.
1018         * tree-predcom.c: Same.
1019         * tree-vect-patterns.c: Same.
1020
1021 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         Partially revert the previous patch, except the following.
1024         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1025         as parameters the operands of the not expression.
1026
1027 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1030         Do not call analyze_scalar_evolution on assignments.
1031         (instantiate_scev_phi): Call analyze_scalar_evolution.
1032         (instantiate_scev_name): Call instantiate_scev_assign and
1033         instantiate_scev_phi.
1034         (instantiate_scev_not): Adapted to pass as parameters the operands
1035         of the not expression.
1036
1037 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1040         to pass as parameters the operands of the binary expression.
1041
1042 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1045         instantiate_scev_not.  Handle NEGATE_EXPR.
1046         (instantiate_scev_r): Handle NEGATE_EXPR.
1047
1048 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1049
1050         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1051         instantiate_scev_r.
1052         (instantiate_scev_r): Move code in instantiate_scev_2
1053         and instantiate_scev_1.
1054
1055 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * tree-scalar-evolution.c (instantiate_scev_3): New.
1058         (instantiate_scev_1): Move code in instantiate_scev_3.
1059
1060 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1063         (instantiate_scev_1): Move code in instantiate_scev_poly.
1064
1065 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1066
1067         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1068         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1069
1070 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1073         (instantiate_scev_1): Move code in instantiate_scev_convert.
1074
1075 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1078         (instantiate_scev_1): Move code in instantiate_scev_binary.
1079
1080 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * tree-scalar-evolution.c (instantiate_scev_name): New.
1083         (instantiate_scev_1): Move code in instantiate_scev_name.
1084
1085 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1086
1087         * Merge from mainline (150992:151171).
1088
1089 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * graphite-dependences.c (graphite_legal_transform_bb): Call
1092         pbb_remove_duplicate_pdrs.
1093         * graphite-poly.c (can_collapse_pdr): Removed.
1094         (pdr_find_duplicate): Removed.
1095         (can_collapse_pdrs): New.
1096         (pbb_remove_duplicate_pdrs): New.
1097         (new_poly_dr): Do not look for duplicates.
1098         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1099         (PBB_PDR_DUPLICATES_REMOVED): New.
1100         (pbb_remove_duplicate_pdrs): Declared.
1101
1102 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1105         the strides by multiplying by PDR_NB_REFS.
1106         * graphite-poly.c (can_collapse_pdr): New.
1107         (pdr_find_duplicate): New.
1108         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1109         Initialize PDR_NB_REFS.
1110         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1111         (PDR_NB_REFS): New.
1112         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1113
1114 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         Revert one of the previous commits:
1117         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1118         the computation of symmetric data dependence relations.
1119         (dependency_between_pbbs_p): Same.
1120
1121 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         PR middle-end/40965
1124         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1125         any transform.
1126
1127 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1128
1129         * graphite-dependences.c (pddr_original_scattering): Return NULL
1130         for read-read dependence relations.
1131         * graphite-poly.h (enum poly_dr_type): Fix comment.
1132         (pdr_read_p): New.
1133         (pdr_write_p): New.
1134         (pdr_may_write_p): New.
1135
1136 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1139         (struct poly_dr): Same.
1140         (new_poly_dr): Same.
1141         * graphite-poly.c (new_poly_dr): Same.
1142
1143 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1144             Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1147         pbb_strip_mine_time_depth.  Changed the implementation so that
1148         transformation is expressed as a transformation on
1149         time (scatttering) dimensions.  Also, ensures that the 2d+1
1150         scheduling format is preserved.
1151         (pbb_strip_mine_profitable_p): Profitability is based on the
1152         iteration number of a given time (scattering) dimension,
1153         and not on a original loop depth dimension.
1154         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1155         (pbb_do_strip_mine): Call psct_dynamic_dim.
1156         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1157         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1158         (pbb_nb_dynamic_scattering_transform): New.
1159         (psct_dynamic_dim): New.
1160
1161 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1162
1163         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1164         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1165         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1166         * graphite-interchange.c (build_linearized_memory_access): Same.
1167         (memory_stride_in_loop): Same.
1168
1169 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-dependences.c (pddr_original_scattering): New.
1172         (graphite_legal_transform_dr): Call pddr_original_scattering.
1173         (dot_deps_1): New.
1174         (dot_deps): New.
1175         * graphite-dependences.h (dot_deps): Declared.
1176         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1177         (print_pdr): Print PDR_ID.
1178         * graphite-poly.h (struct poly_dr): Add field id.
1179         (PDR_ID): New.
1180         (pbb_index): New.
1181         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1182
1183 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1186         not delete the original dependence relation.
1187
1188 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1191         the computation of symmetric data dependence relations.
1192         (dependency_between_pbbs_p): Same.
1193
1194 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1197         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1198         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1199         (free_poly_ddr): New.
1200         (pddr_is_empty): New.
1201         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1202         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1203         Remove fprintfs.
1204         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1205         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1206         * graphite-dependences.h (enum poly_dependence_kind): New.
1207         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1208         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1209         (PDRP_SINK): Renamed PDDR_SINK.
1210         (PDRP_DDP): Renamed PDDR_DDP.
1211         (PDDR_KIND): New.
1212         (free_poly_ddr): Declared.
1213         * graphite-poly.c (new_scop): Use the new hash function names.
1214         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1215         into original_pddrs.
1216         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1217
1218 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1219
1220         * Merge from mainline (150764:150992).
1221
1222 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1223
1224         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1225         bounds with LT_EXPR to make niter analysis more precise on code
1226         generated by Graphite.
1227
1228 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1231         (graphite_legal_transform_bb): Same.
1232         (poly_drs_may_alias_p): Same.
1233
1234 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         PR middle-end/40981
1237         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1238         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1239
1240 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite-poly.c (print_pbb): Print PBB index.
1243
1244 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * Merge from mainline (r150672:150764).
1247
1248 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1249
1250         * graphite-interchange.c (ppl_max_for_le): Moved...
1251         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1252         * graphite-ppl.c (ppl_max_for_le): ... here.
1253         * graphite-ppl.h (ppl_max_for_le): Declared.
1254
1255 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * Merge from mainline (r150372:150672).
1258
1259 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1260
1261         PR middle-end/40980
1262         * sese.c (convert_for_phi_arg): New.
1263         (add_guard_exit_phis): Use convert_for_phi_arg.
1264
1265         * testsuite/gfortran.dg/graphite/id-17.f: New.
1266
1267 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1270         unknown subscript upper bounds.
1271
1272         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1273
1274 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1275             Pranav Garg  <pranav.garg2107@gmail.com>
1276
1277         * graphite-interchange.c (gather_access_strides): Removed.
1278         (ppl_max_for_le): New.
1279         (build_linearized_memory_access): New.
1280         (memory_stride_in_loop): New.
1281         (pbb_interchange_profitable_p): Reimplemented.
1282         * graphite-ppl.h (ppl_new_id_map): New.
1283         (ppl_interchange): New.
1284
1285         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1286
1287 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-interchange.c (compute_subscript): Removed.
1290         (compute_array_size_cstr): Removed.
1291         (compute_array_size_poly): Removed.
1292         (compute_array_size): Removed.
1293         (gather_access_strides_poly): Removed.
1294         (gather_access_strides): Empty.
1295
1296 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * graphite-dependences.c (dependence_polyhedron_1): Replace
1299         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1300         (graphite_legal_transform_dr): Same.
1301         (graphite_carried_dependence_level_k): Same.
1302         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1303         Initialize PDR_NB_SUBSCRIPTS.
1304         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1305         PDR_NB_SUBSCRIPTS.
1306         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1307         (PDR_NB_SUBSCRIPTS): New.
1308         (pdr_nb_subscripts): Removed.
1309         (pdr_dim): Simplified.
1310         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1311         with PDR_NB_SUBSCRIPTS.
1312
1313 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * graphite-interchange.c (compute_array_size): Remove use of
1316         PDR_DATA_CONTAINER.
1317         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1318         Do not initialize PDR_DATA_CONTAINER.
1319         (print_pdr): Do not print PDR_DATA_CONTAINER.
1320         * graphite-poly.h (struct poly_dr): Remove data_container field.
1321         (PDR_DATA_CONTAINER): Removed.
1322         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1323         PDR_DATA_CONTAINER.
1324         (build_poly_dr): Same.
1325
1326 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1329
1330 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1331             Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1334         copy of the dependence polyhedron.  Free the temporary objects.
1335         (graphite_carried_dependence_level_k): Free unused objects before
1336         returning.
1337
1338         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1339         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1340         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1341         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1342         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1343
1344 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1347         Early return without analyzing the data dependences if no
1348         transform has been done.  Call restore_scattering if the transform
1349         is not legal.
1350         (graphite-interchange.c): Same.
1351         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1352         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1353         (apply_poly_transforms): Do not gcc_assert that
1354         the transform is legal.
1355         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1356         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1357         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1358         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1359         * graphite-poly.h (struct poly_scattering): New.
1360         (struct poly_bb): Add original, transformed, and saved fields.
1361         Remove transformed_scattering, original_scattering, nb_local_variables,
1362         and nb_scattering_transform fields.
1363         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1364         (poly_scattering_new): New.
1365         (poly_scattering_free): New.
1366         (poly_scattering_copy): New.
1367         (store_scattering_pbb): New.
1368         (store_scattering): New.
1369         (restore_scattering_pbb): New.
1370         (restore_scattering): New.
1371         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1372         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1373
1374 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1377         (print_scop): Same.
1378
1379 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * Makefile.in (graphite.o): Depends on PREDICT_H.
1382         * graphite.c: Include predict.h.
1383         (graphite_finalize): Call tree_estimate_probability.
1384         * predict.c (predict_loops): Do not call scev_initialize and
1385         scev_finalize.
1386         (tree_estimate_probability_bb): New.
1387         (tree_estimate_probability): Do not initialize loops: move that
1388         code to the driver.  Call tree_estimate_probability_bb.
1389         (tree_estimate_probability_driver): New.
1390         (pass_profile): Use tree_estimate_probability_driver.
1391         * predict.h (tree_estimate_probability): Declared.
1392
1393 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1396         * graphite-dependences.c (graphite_legal_transform): Add time to
1397         TV_GRAPHITE_DATA_DEPS.
1398         (dependency_between_pbbs_p): Same.
1399         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1400
1401 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * Merge from mainline (r149952:150372).
1404
1405 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1408         * graphite-blocking.c: Same.
1409         * graphite-clast-to-gimple.c: Same.
1410         * graphite-dependences.c: Same.
1411         * graphite-poly.c: Same.
1412         * graphite-poly.h: Same.
1413         * graphite-ppl.c: Same.
1414         * graphite-scop-detection.c: Same.
1415         * graphite-sese-to-poly.c: Same.
1416         * graphite.c: Same.
1417
1418 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1421         (remove_simple_copy_phi): New.
1422         (remove_invariant_phi): New.
1423         (simple_copy_phi_p): New.
1424         (reduction_phi_p): New.
1425         (gsi_for_ssa_name_def): New.
1426         (insert_out_of_ssa_copy): New.
1427         (insert_out_of_ssa_copy_on_edge): New.
1428         (create_zero_dim_array): New.
1429         (scalar_close_phi_node_p): New.
1430         (rewrite_close_phi_out_of_ssa): New.
1431         (rewrite_phi_out_of_ssa): New.
1432         (rewrite_reductions_out_of_ssa): New.
1433         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1434
1435         * testsuite/gcc.dg/graphite/id-11.c: New.
1436         * testsuite/gcc.dg/graphite/id-15.c: New.
1437         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1438         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1439         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1440         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1441         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1442         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1443         * testsuite/gfortran.dg/graphite/id-13.f: New.
1444         * testsuite/gfortran.dg/graphite/id-5.f: New.
1445
1446 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1449         check that nb_reductions_in_loop is zero.
1450         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1451         reduction phi nodes.
1452         (nb_reductions_in_loop): Removed.
1453         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1454         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1455         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1456         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1457         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1458
1459 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1462         statements that have an empty iteration domain.
1463         * testsuite/gfortran.dg/graphite/id-16.f: New.
1464
1465 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1466
1467         * tree-scalar-evolution.c (instantiate_scev_1): Return
1468         chrec_dont_know when the result is not above instantiate_below.
1469         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1470         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1471         the tree has a known scalar evolution.
1472         * testsuite/gfortran.dg/graphite/id-14.f: New.
1473         * testsuite/gfortran.dg/graphite/id-15.f: New.
1474
1475 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1478         insert_gsi.
1479         (rename_variables): Keep inserting renames after the ones already
1480         inserted.
1481
1482 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-sese-to-poly.c (compare_bb_depths): New.
1485         (graphite_sort_dominated_info): New.
1486         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1487         (build_scop_scattering): Fix comment.
1488
1489 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite.c (graphite_finalize): Call print_loops instead of
1492         dump_function_to_file.
1493         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1494         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1495         loops generated in the graphite output file.
1496         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1497         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1498         * testsuite/gfortran.dg/graphite/id-12.f: New.
1499
1500 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1501
1502         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1503         Remove 2 XFAIL.
1504
1505 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1506             Tobias Grosser  <grosser@fim.uni-passau.de>
1507
1508         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1509         alias set number build alias in ACCESSES polyhedron.
1510         (build_alias_set_for_drs): New.
1511         (build_pbb_drs): Added build_alias_set_for_drs.
1512         * graphite-dependences.c (poly_drs_may_alias_p): New.
1513         (graphite_carried_dependence_level_k): Check alias information
1514         before building polyhedron.
1515
1516 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1517
1518         * Makefile.in (lambda-code.o): Fix formatting.
1519
1520 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1521
1522         * Merge from mainline (r149350-149952)
1523
1524 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1525
1526         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1527         before interchange to prepare for loop blocking.
1528
1529 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1530
1531         * graphite-poly.c (apply_poly_transforms): Add checks after every
1532         transformation.
1533         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1534         done in apply_poly_transforms.
1535
1536 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1537
1538         * graphite-dependences.c (build_lexicographically_gt_constraint):
1539         Replace RES parameter with *RES.
1540         (dependence_polyhedron_1): Pass an address of the parameter RES
1541         instead of value of RES.
1542
1543 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite.c (graphite_finalize): Fix comment.
1546         (graphite_transform_loops): Reset scev info after code generation
1547         of each scop.
1548
1549 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite.c (graphite_finalize): Call scev_reset.
1552
1553 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1556         GBB_CLOOG_IV_TYPES hash table twice.
1557         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1558         (add_condition_to_domain): Clear GMP values.
1559
1560 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * graphite-dependences.c: Fix formatting.
1563         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1564         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1565         * graphite-sese-to-poly.c: Fix formatting.
1566         * graphite.c (graphite_transform_loops): Create the hash table
1567         after the early return.
1568
1569 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * testsuite/gcc.dg/graphite/id-14.c: New.
1572         * testsuite/gcc.dg/graphite/pr40157.c: New.
1573         * testsuite/gfortran.dg/graphite/id-11.f: New.
1574
1575 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1578         (build_poly_scop): Return false when there are no pbbs within
1579         loops to avoid to pass to cloog scops with no loops.
1580
1581 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1584         useless test "i % 2".
1585         (build_pbb_scattering_polyhedrons): Fix formatting.
1586         (build_poly_dr): Same.
1587         * graphite.c (graphite_transform_loops): Restructure.
1588
1589 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1590
1591         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1592         reduction_list parameter.
1593         (rewrite_all_phi_nodes_with_iv): Same.
1594         (canonicalize_loop_ivs): Same.
1595         * tree-parloops.c (struct brli): Removed.
1596         (build_reduction_list_info): Removed.
1597         (build_new_reduction): New.
1598         (analyze_reduction_list): Removed.
1599         (gather_scalar_reductions): Find reductions instead of phi
1600         nodes that can't be canonicalized.
1601         (try_create_reduction_list): Remove reduction_list parameter.
1602         (gen_parallel_loop): Same.
1603         (parallelize_loops): Remove analyze_reductions variable,
1604         initialization and free.
1605         Change reduction_list htab initialization to reduction_info
1606         elements instead of ssa names.
1607         Call try_create_reduction_list and gen_parallel_loop without
1608         analyzed_reduction argument.
1609         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1610         canonicalize_loop_ivs with one less argument.
1611         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1612
1613 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1614
1615         * graphite-dependences.c (new_poly_dr_pair): New.
1616         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1617         (new_poly_dr_pair): New.
1618         (eq_poly_dr_pair_p): New.
1619         (hash_poly_dr_pair_p): New.
1620         * graphite-dependences.h (struct poly_dr_pair): New.
1621         (eq_poly_dr_pair_p): Declared.
1622         (hash_poly_dr_pair_p): Declared.
1623         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1624         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1625         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1626         * Makefile.in (graphite-poly.o): Add dependence on
1627         graphite-dependences.h.
1628
1629 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1632         polynomials of degree > 1 pass to Graphite.
1633         * tree-chrec.c (scev_is_linear_expression): Call
1634         evolution_function_is_affine_multivariate_p.
1635         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1636
1637 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1640         Instantiate scevs varying in outer loops.
1641         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1642
1643 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1644
1645         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1646         redundant constraint.
1647
1648 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1649
1650         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1651         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1652         based on the file names as in the C testsuite.
1653         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1654         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1655         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1656         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1657         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1658         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1659         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1660         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1661         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1662         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1663         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1664         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1665         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1666
1667 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * sese.c (expand_scalar_variables_call): New.
1670         (expand_scalar_variables_ssa_name): Handle calls in expander.
1671
1672 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1675         Expect to see the pattern twice.
1676         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1677         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1678         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1679
1680 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * testsuite/gcc.dg/graphite/id-10.c: New.
1683         * testsuite/gcc.dg/graphite/id-12.c: New.
1684         * testsuite/gfortran.dg/graphite/id-7.f: New.
1685         * testsuite/gfortran.dg/graphite/id-8.f: New.
1686
1687 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1690         zero.
1691
1692 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1693
1694         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1695
1696 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1697
1698         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1699
1700 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1703         building PDR subscripts.
1704
1705 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1708         computation of array sizes.
1709
1710 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1713
1714 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1715
1716         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1717         build_pairwise_constraint, dr_equality_constraints,
1718         build_pairwise_scheduling_equality,
1719         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1720         build_lexicographically_gt_constraint, dependence_polyhedron,
1721         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1722         Move from NNC_Polyhedron to C_Polyhedron.
1723         * graphite-interchange.c (compute_array_size_poly,
1724         gather_access_strides): Dito.
1725         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1726         free_scop, pbb_number_of_iterations): Dito.
1727         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1728         pbb_dim_iter_domain, struct scop): Dito.
1729         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1730         new_Cloog_Domain_from_ppl_Polyhedron,
1731         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1732         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1733         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1734         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1735         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1736         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1737         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1738         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1739         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1740         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1741         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1742         build_scop_iteration_domain, build_poly_dr): Dito
1743
1744 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1747         run-id-*.c files.
1748         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1749
1750 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1753         positivity constraint on the symbolic number of iterations.
1754
1755 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1758
1759 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1760             Tobias Grosser  <grosser@fim.uni-passau.de>
1761
1762         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1763         (build_cloog_prog): Directly use SCOP_CONTEXT.
1764         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1765         (free_scop): Free SCOP_CONTEXT.
1766         (print_scop_context): New.
1767         (print_scop): Call print_scop_context.
1768         (debug_scop_context): New.
1769         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1770         (struct scop): Added field context.
1771         (SCOP_CONTEXT): New.
1772         * graphite-sese-to-poly.c (add_param_constraints): New.
1773         (build_scop_context): New.
1774         (build_poly_scop): Call build_scop_context.
1775
1776 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1779         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1780         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1781         * graphite-ppl.h: Include double-int.h and tree.h.
1782         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1783         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1784         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1785         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1786
1787 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1788
1789         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1790         POINTER_PLUS_EXPR for pointer types.
1791         (clast_to_gcc_expression): Same.
1792
1793 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1794
1795         * graphite-poly.c (print_scattering_function): Early return when
1796         PBB_TRANSFORMED_SCATTERING is not initialized.
1797         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1798
1799 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1802         to fix bootstrap.
1803
1804 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1805
1806         * tree-parloops.c (analyze_reduction_list): Change return
1807         value to void.
1808         (try_create_reduction_list): Move the call to
1809         analyze_reduction_list to the beginining.
1810         Call reduction_phi with analyzed_reductions as argument
1811         instead of reduction_list.
1812
1813 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1814
1815         *  Merge from mainline (r148296:149346)
1816
1817 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1818
1819         * graphite-scop-detection.c (graphite_can_represent_init): New.
1820         (graphite_can_represent_scev): Call graphite_can_represent_init:
1821         check that the initial value does not contain multiplications of
1822         parameters.
1823         (stmt_has_simple_data_refs_p): New.
1824         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1825         (is_simple_operand): Fix formatting.
1826         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1827
1828 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * testsuite/gcc.dg/graphite/id-13.c: New.
1831         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1832         analyze_scalar_evolution, use scalar_evolution_in_region.
1833         (scan_tree_for_params_right_scev): Add extra assert.
1834         (parameter_index_in_region_1): Split from parameter_index_in_region.
1835         (idx_record_params): Use scalar_evolution_in_region.
1836         (find_params_in_bb): Same.
1837         (find_scop_parameters): Same.
1838         (build_loop_iteration_domains): Same.
1839         (create_linear_expr_from_tree): Same.
1840         * sese.c (scalar_evolution_in_region): New.
1841         * sese.h (scalar_evolution_in_region): Declared.
1842         (defined_in_sese_p): New.
1843         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1844         static anymore.
1845         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1846         Declared.
1847
1848 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1851         TREE_DATA_REF_H also implies SCEV_H.
1852
1853 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-poly.c (print_scop_params): New.
1856         (print_scop): Call print_scop_params.
1857         (debug_scop_params): New.
1858         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1859
1860 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1861
1862         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1863         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1864         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1865         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1866         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1867         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1868
1869 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1870
1871         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1872         for dependency checking part.
1873         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1874         tests for dependency checking.
1875         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1876         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1877         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1878         flag -fdump-tree-graphite-all for autopar testsuites.
1879
1880 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1883         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1884         canonicalize_loop_ivs): Moved...
1885         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1886
1887 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         * tree-parloops.c (try_create_reduction_list): Pass an extra
1890         argument analyzed_reductions.  Call analyze_reduction_list.
1891         (gen_parallel_loop): Do not call analyze_reduction_list.
1892         (parallelize_loops): Init and finalize analyzed_reductions.
1893
1894 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1895
1896         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1897         Added flag -fno-loop-strip-mine for autopar testcase.
1898
1899 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1900
1901         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1902         transformed scattering dimension instead of unmatch orignal when
1903         calling dependence_polyhedron.
1904
1905 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1908
1909 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1910
1911         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1912         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1913
1914 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1915
1916         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1917         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1918         * graphite-poly.c (pbb_number_of_iterations): New.
1919         * graphite-poly.h (pbb_number_of_iterations): Declared.
1920         (pbb_iterator_dim, pbb_parameter_dim): New.
1921
1922 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1925         last commit on type of lower and upper bound of loops.
1926
1927 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1928
1929         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1930         graphite-dependences.h.
1931         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1932         (mark_bb_with_pbb): New.
1933         (get_stmtfor_depth): New.
1934         (find_pbb_via_hash): New.
1935         (dependency_in_loop_p): New.
1936         (mark_loops_parallel): New.
1937         (free_aux_in_new_loops): New.
1938         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1939         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1940         innermost loop parallel without checking.
1941         (gloog): Add parameter BB_PBB_MAPPING.
1942         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1943         (gloog): Change declaration.
1944         (mark_loop_parallel): Make extern.
1945         (free_aux_in_new_loops): Declare.
1946         (bb_pbb_map_hash): New.
1947         (eq_bb_pbb_map): New.
1948         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1949         auto parallelization when flag_graphite_force_parallel is set.
1950         (graphite_finalize): Added free_aux_in_new_loops.
1951         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1952         the innermost loop that marked parallel.  Use
1953         flag_graphite_force_parallel instead of loop->can_be_parallel.
1954         (loop_parallel_p): Move inner most checking out of function.
1955
1956 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1959         type of lower and upper bound of loops signed long int.
1960
1961 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1962
1963         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1964         expression outside the loop.
1965
1966 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * gcc.dg/graphite/interchange-8.c: New.
1969
1970 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * gcc.dg/graphite/interchange-0.c: XFailed.
1973         * gcc.dg/graphite/interchange-5.c: XFailed.
1974         * gcc.dg/graphite/interchange-6.c: XFailed.
1975
1976 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * graphite-interchange.c (compute_array_size_poly): The end of the
1979         recursion should return 1.
1980
1981 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         * graphite-interchange.c (compute_array_size_cstr): Allow the
1984         subscript multiplier to be -1.
1985         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1986         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1987         data_container.  Initializes PDR_DATA_CONTAINER.
1988         (print_pdr_access_layout): New.
1989         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1990         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1991         data_container.
1992         (PDR_DATA_CONTAINER): New.
1993         (new_poly_dr): Update declaration.
1994         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1995         (build_poly_dr): Call pdr_add_data_dimensions.
1996
1997 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * graphite-poly.h (struct poly_dr): Fix comment.
2000         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2001         (pdr_add_memory_accesses): New.
2002         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2003
2004 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2007         (print_pbb): Add call to print_pdrs.
2008         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2009
2010 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2011             Li Feng <nemokingdom@gmail.com>
2012
2013         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2014         (dependency_between_pbbs_p): New.
2015         (lexicographically_gt_p): Assure !empty_p before polyhedron
2016         intersection assign.
2017         (build_lexicographically_gt_constraint): Correct lexicographically
2018         judging.
2019         * graphite-dependences.h: New.
2020         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2021
2022 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2025         (gloog): Print to dump_file the generated clast.
2026         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2027         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2028
2029 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * graphite-poly.c (extend_scattering): Increment
2032         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2033
2034 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         * graphite-interchange.c (compute_array_size_poly): Added exit of
2037         recursion condition.  Continue iterating even after the first equality.
2038         (compute_array_size): Same.
2039
2040 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2041
2042         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2043         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2044         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2045         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2046         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2047
2048 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2049
2050         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2051         only when the use verifies is_gimple_reg.
2052
2053 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2056         Allocate scaldims after call to unify_scattering_dimensions.
2057
2058 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2059
2060         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2061
2062 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2063             Albert Cohen  <albert.cohen@inria.fr>
2064
2065         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2066         variables for the strip mining.
2067
2068 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2069             Pranav Garg  <pranav.garg2107@gmail.com>
2070
2071         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2072         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2073         (graphite-blocking.o): New rule.
2074         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2075         * graphite-blocking.c: New.
2076         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2077         flag_loop_strip_mine.
2078         (psct_scattering_dim_for_loop_depth): New.
2079         * graphite-poly.h (scop_do_strip_mine): Declared.
2080         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2081         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2082         flag_loop_strip_mine.
2083
2084 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2087         a GMP value and a PPL coefficient at each iteration of a loop.
2088
2089 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2090
2091         * graphite-dependences.c (dependence_polyhedron): Do not use
2092         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2093         pbb_nb_scattering_transform.
2094         (graphite_legal_transform_dr): Same.
2095         * graphite-poly.c (extend_scattering): Same.
2096         (unify_scattering_dimensions): Same.
2097         (print_scattering_function): Same.
2098         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2099         PBB_NB_LOCAL_VARIABLES.
2100         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2101         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2102         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2103         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2104         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2105         (pbb_nb_scattering_transform): New.
2106         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2107         (psco_scattering_dim): Add assert on parameters.
2108         (psct_scattering_dim): Same.
2109         (psct_scattering_dim_for_loop_depth): Declared.
2110         (psct_local_var_dim): New.
2111         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2112         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2113         correct layout, call pbb_nb_local_vars.
2114         (psct_add_local_variable, psct_add_scattering_dimension): New.
2115         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2116         Initialize PBB_NB_SCATTERING_TRANSFORM.
2117
2118 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2121         (set_coef): Renamed ppl_set_coef.
2122         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2123
2124 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2127         test a boolean against 1.
2128         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2129         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2130         (pbb_do_interchange): Returns true when a transform has been performed.
2131         (scop_do_interchange): Same.
2132         * graphite-poly.c (apply_poly_transforms): Use the return value of
2133         scop_do_interchange.
2134         * graphite-poly.h (scop_do_interchange): Update declaration.
2135
2136 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2137
2138         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2139         after last use.
2140         * sese.c (sese_reset_aux_in_loops): New.
2141         * sese.h (sese_reset_aux_in_loops): New.
2142
2143 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2146         multiplier and multiply the constant by the multiplier.
2147         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2148         (build_poly_dr): Do not use the multiplier to define the subscript.
2149
2150 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2153         compiler's data reference.  Initialize PDR_CDR.
2154         (print_pdr): Call dump_data_reference.
2155         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2156         Add compiler_dr field.
2157         (PDR_BB): Renamed PDR_PBB.
2158         (PDR_CDR): New.
2159         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2160         GCC's data reference representation.
2161         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2162         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2163
2164 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-poly.c (print_scattering_function): Also print the layout.
2167         * graphite-poly.h (pbb_nb_local_vars): New.
2168
2169 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2172
2173 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-poly.c (print_pdr, debug_pdr): New.
2176         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2177         (PDR_BASE): Removed.
2178
2179 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2182         ltrans-{1..6,8}.c.
2183
2184 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2185
2186         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2187         subscript identification column.
2188         (pbb_do_interchange): Print to dump_file that some loops "will be
2189         interchanged".  Rely on that chain of characters in the testcases.
2190         * gcc.dg/graphite/interchange-0.c: New.
2191         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2192         interchange-*.c files and compile them with -floop-interchange.
2193
2194 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2195
2196         * graphite-interchange.c (interchange_profitable_p): Renamed
2197         pbb_interchange_profitable_p.
2198
2199 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2200             Harsha Jagasia  <harsha.jagasia@amd.com>
2201             Pranav Garg  <pranav.garg2107@gmail.com>
2202
2203         * graphite-interchange.c (interchange_profitable_p): Make static.
2204         (pbb_interchange_loop_depths, pbb_do_interchange,
2205         scop_do_interchange): New.
2206         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2207         for flag_loop_interchange.
2208         * graphite-poly.h (scop_do_interchange): Declared.
2209         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2210         flag_loop_interchange is used.
2211
2212 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2213
2214         * graphite-dependences.c (dependence_polyhedron): Update use of
2215         pbb_nb_scattering_dims.
2216         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2217         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2218         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2219         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2220
2221 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite.c: Cleanup foo.
2224
2225 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * Merge from mainline (r143684:148293).
2228         * Disabled libpcp until it gets fixed.
2229
2230 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2231             Harsha Jagasia  <harsha.jagasia@amd.com>
2232
2233         * graphite-interchange.c: New.
2234         * Makefile.in (graphite-interchange.o): New.
2235         * graphite-poly.h (interchange_profitable_p): Declared.
2236         * graphite-ppl.h (value_max): New.
2237
2238 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2239
2240         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2241         * graphite-poly.h: Fix some comments.
2242         (pdr_dim): New.
2243         (pdr_scop): New.
2244
2245 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2246
2247         * graphite-poly.h
2248         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2249         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2250         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2251         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2252         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2253         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2254         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2255         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2256         * graphite-clast-to-gimple.c: Same.
2257         * graphite-dependences.c: Same.
2258         * graphite-poly.c: Same.
2259         * graphite-sese-to-poly.c: Same.
2260
2261 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2264         expressions for an IV rename, as returned by clast_to_gcc_expression.
2265         (copy_renames): Rename new_name to expr.
2266         * sese.c (debug_rename_elt): Same.
2267         (get_rename): Same.
2268         (set_rename): Same.
2269         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2270         the information from the rename map.
2271         (rename_variables_in_stmt): Same.
2272         (add_loop_exit_phis): Rename new_name to expr.
2273         (insert_loop_close_phis): Same.
2274         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2275         * sese.h (struct rename_map_elt): Rename new_name to expr.
2276         (new_rename_map_elt): Same.
2277
2278 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2279
2280         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2281         * sese.c (set_rename): Make it extern.
2282         * sese.h (set_rename): Declared.
2283
2284 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2285
2286         * graphite-poly.c (extend_scattering): Free values.
2287         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2288         Free iterators.
2289         (ppl_print_powerset_matrix): Same.
2290         * graphite-scop-detection.c (free_scops_1): New.
2291         (limit_scops): Call free_scops_1.
2292         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2293         (build_poly_dr): Free PPL coefficients.
2294         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2295
2296 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2297
2298         * graphite-dependences.c: New.
2299         * graphite-data-ref.c: Removed.
2300         * graphite-data-ref.h: Removed.
2301         * Makefile.in (graphite-data-ref.o): Removed.
2302         (graphite-dependences.o): Added.
2303         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2304         * graphite-poly.c: Same.
2305         Move the data dependence testing to graphite-dependences.c.
2306
2307 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2308
2309         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2310         from graphite_cannot_represent_loop. Code refactored.
2311         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2312
2313 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2314
2315         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2316         Cover all the testcases (not only the filtered ones).
2317
2318 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2319
2320         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2321         unnecessary check. Update comments. Move check for REAL_TYPE here.
2322         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2323         done in (stmt_simple_for_scop_p).
2324
2325 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2326
2327         * graphite.c (print_global_statistics): New.
2328         (print_graphite_scop_statistic): New.
2329         (print_graphite_statistics): New.
2330         (graphite_initialize, graphite_transform_loops): Print statistics.
2331         * graphite-scop-detection (build_scops): Print statistics.
2332         (print_graphite_scop_statistics): New.
2333         (print_graphite_statistics): New.
2334
2335 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2338         (debug_clast_name_index): Removed.
2339         (debug_clast_name_indexes_1): Removed.
2340         (debug_clast_name_indexes): Removed.
2341         (clast_name_index_elt_info): Removed.
2342         (eq_clast_name_indexes): Removed.
2343         (clast_name_to_index): Removed.
2344         (new_clast_name_index): Removed.
2345         (save_clast_name_index): Removed.
2346         (save_var_name): Moved...
2347         (init_sese_params_index): Removed.
2348         (clast_name_to_gcc): Remove use of name_tree.
2349         (initialize_cloog_names): Same.
2350         (gloog): Do not call init_sese_params_index.
2351         * graphite-sese-to-poly.c (save_var_name): ...here.
2352         (parameter_index_in_region): New.
2353         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2354         (parameter_index_in_region): Removed.
2355         (is_parameter): Remove use of name_tree.
2356         * sese.h (struct name_tree): Removed.
2357         (struct sese): Remove use of name_tree.  New field params_names.
2358         (SESE_PARAMS_NAMES): New.
2359         (SESE_PARAMS): Remove duplicate.
2360         (parameter_index_in_region): Removed.
2361         (sese_nb_params): Remove use of name_tree.
2362         (struct clast_name_index): New.
2363         (new_clast_name_index): New.
2364         (clast_name_to_index): New.
2365         (save_clast_name_index): New.
2366         (debug_clast_name_index): New.
2367         (debug_clast_name_indexes_1): New.
2368         (debug_clast_name_indexes): New.
2369         (clast_name_index_elt_info): New.
2370         (eq_clast_name_indexes): New.
2371
2372 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2375         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2376         (graphite_loop_normal_form): Do not pass region.  Do not
2377         initialize SESE_OLDIVS.
2378         (build_graphite_loop_normal_form): Update call to
2379         graphite_loop_normal_form.
2380         * sese.c (debug_oldivs): Removed.
2381         (new_sese): Do not initialize SESE_OLDIVS.
2382         (free_sese): Do not free SESE_OLDIVS.
2383         (oldiv_for_loop): Removed.
2384         * sese.h (struct sese): Remove old_ivs.
2385         (SESE_OLDIVS): Removed.
2386         (oldiv_for_loop): Removed.
2387
2388 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2391         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2392         replaced by a call to newivs_to_depth_to_newiv.
2393         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2394         (clast_to_gcc_expression_red): Same.
2395         (gcc_type_for_clast_expr): Same.
2396         (gcc_type_for_clast_eq): Same.
2397         (graphite_translate_clast_equation): Same.
2398         (graphite_create_guard_cond_expr): Same.
2399         (graphite_create_new_guard): Same.
2400         (graphite_create_new_loop): Same.
2401         (build_iv_mapping): Same.
2402         (translate_clast): Same.
2403         (gloog): Same.
2404         (loop_iv_stack_patch_for_consts): Removed.  *
2405         sese.c (iv_stack_entry_is_constant): Removed.
2406         (iv_stack_entry_is_iv): Removed.
2407         (loop_iv_stack_push_iv): Removed.
2408         (loop_iv_stack_insert_constant): Removed.
2409         (loop_iv_stack_pop): Removed.
2410         (loop_iv_stack_get_iv): Removed.
2411         (loop_iv_stack_get_iv_from_name): Removed.
2412         (debug_loop_iv_stack): Removed.
2413         (free_loop_iv_stack): Removed.
2414         (loop_iv_stack_remove_constants): Removed.  *
2415         sese.h (iv_stack_entry_kind): Removed.
2416         (iv_stack_entry_data_union): Removed.
2417         (iv_stack_entry_struct): Removed.
2418         (iv_stack_entry_p): Removed.
2419         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2420         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2421         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2422         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2423         (gbb_loop_at_index): Fix indenting.
2424         (gbb_loop_index): Removed.
2425
2426 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2427
2428         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2429         Call clast_name_to_index.
2430
2431 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2434         do not pass params.  Get params from SESE_PARAMS.
2435         (clast_to_gcc_expression): Same.
2436         (clast_to_gcc_expression_red): Same.
2437         (gcc_type_for_clast_eq): Same.
2438         (graphite_translate_clast_equation): Same.
2439         (graphite_create_new_loop): Same.
2440         * sese.c (rename_variables_in_stmt): Fix comment.
2441
2442 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2443
2444         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2445         newivs_index.
2446         Call save_clast_name_index.
2447         (translate_clast): Pass newivs_index.
2448         (gloog): Create and free newivs_index.
2449
2450 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2453         (clast_name_index_p): New type.
2454         (debug_clast_name_index): New.
2455         (debug_clast_name_indexes_1): New.
2456         (debug_clast_name_indexes): New.
2457         (clast_name_index_elt_info): New.
2458         (eq_clast_name_indexes): New.
2459         (clast_name_to_index): New.
2460         (new_clast_name_index): New.
2461         (save_clast_name_index): New.
2462         (init_sese_params_index): New.
2463         (gloog): Call init_sese_params_index.
2464         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2465         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2466         (free_sese): Free SESE_PARAMS_INDEX.
2467         * sese.h (struct sese): Add params_index.
2468         (SESE_PARAMS_INDEX): New.
2469
2470 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2473         (graphite_create_new_loop): Pass the newivs vector.  Push the
2474         newly created IV to newivs.
2475         (translate_clast): Pass the newivs vector.
2476         (gloog): Create and destroy the newivs vector.
2477
2478 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2481         (graphite_loop_normal_form): Initialize loop->aux with the unique
2482         IV that has been created.
2483
2484 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2485
2486         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2487         scev with parameters in the base part. They where forbidden
2488         exidently.
2489
2490 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2491
2492         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2493         compile options by file names.
2494         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2495         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2496         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2497         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2498
2499 2009-05-08  Li Feng <nemokingdom@gmail.com>
2500
2501         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2502         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2503         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2504         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2505
2506 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2507
2508         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2509         by final cleanup.
2510
2511 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2512
2513         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2514         allow integer constant strides.
2515         (graphite_can_represent_expr): Depend on outermost_loop.
2516         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2517         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2518         build_scops_1): Same.
2519         (scopdet_basic_block_info): Same and insert layered SCoP
2520         detection.
2521         (try_generate_gimple_bb): Cleanup.
2522         (build_scops): Enable data references.
2523
2524         * testsuite/gcc.dg/graphite/id-5.c: New.
2525         * testsuite/gcc.dg/graphite/id-9.c: New.
2526         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2527         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2528
2529 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2530
2531         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2532         that we have not yet built for this SCoP.
2533
2534 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2535
2536         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2537         for complex numbers.
2538
2539 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2540
2541         * graphite-ppl.c: Fix build if cloog is not available.
2542
2543 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2544
2545         * tree-parloops.c (loop_parallel_p): Remove construction of
2546         NITER and REDUCTION_LIST.
2547         (try_get_loop_niter): New.
2548         (try_create_reduction_list): New.
2549         (parallelize_loops): Bypass the failed checkings in autopar
2550         when can_be_parallel in loop structure is set to true.
2551
2552 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2553
2554         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2555         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2556
2557 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2558
2559         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2560         Enable EQ_EXPR and NE_EXPR again.
2561
2562 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2563
2564         * graphite-scop-detection.c (graphite_can_represent_scev):
2565         Add check if scev is affine multivariate.
2566         (harmful_stmt_in_bb): Check if we can represent the conditions.
2567         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2568         harmful_stmt_in_bb.
2569         * testsuite/gcc.dg/graphite/id-7.c: New.
2570
2571 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2572
2573         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2574         Check all bbs in region, not only the bbs that are represented in
2575         GRAPHITE.
2576         (build_poly_scop): Add newline.
2577         * testsuite/gcc.dg/graphite/id-8.c: New.
2578
2579 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2580
2581         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2582         when loop initialize.
2583         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2584         * common.opt: Declare flag_graphite_force_parallel.
2585         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2586         loop parallel.
2587         * graphite-poly.c (apply_poly_transforms): Introduce
2588         flag_graphite_force_parallel.
2589         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2590         * toplev.c (process_options): ditto and replace a not correctly
2591         encoded space.
2592
2593 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2594
2595         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2596         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2597         to the redefinition.
2598         (compute_cloog_iv_types_1): ditto.
2599         (build_iv_mapping): ditto.
2600         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2601         initialization.
2602         (free_gimple_bb): Removed GBB_LOOPS related free part.
2603         (build_bb_loops): Removed.
2604         * sese.h (struct gimple_bb): Removed loops.
2605         (GBB_LOOPS): Removed.
2606         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2607         (gbb_loop_index): ditto.
2608
2609 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2610
2611         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2612         allow non constant strides.
2613         * testsuite/gcc.dg/graphite/scop-20.c: New.
2614
2615 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2616
2617         * graphite-scop-detection.c (dot_all_scops): Fix system call
2618         return value warning.
2619         (dot_scop): Same.
2620
2621 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2622
2623         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2624         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2625
2626 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2627
2628         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2629         build_pairwise_constraint, dr_equality_constraints,
2630         build_pairwise_scheduling_equality,
2631         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2632         build_lexicographically_gt_constraint, dependence_polyhedron,
2633         graphite_legal_transform_dr, graphite_legal_transform_bb,
2634         graphite_legal_transform): New.
2635         * graphite-poly.h (graphite_legal_transform): Declared.
2636         * graphite-sese-to-poly.c (build_poly_scop): Call to
2637         graphite_legal_transform is disabled for the moment.
2638
2639 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2640
2641         * graphite-poly.h (pbb_nb_scattering_dims): New.
2642         (pbb_nb_scattering): Use it.
2643
2644 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2647         Pointset_Powerset version of ppl_insert_dimensions.
2648         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2649
2650 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2653
2654 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2655
2656         * graphite-poly.h: Fix comment.
2657
2658 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2661
2662 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2663
2664         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2665         statements.
2666
2667 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2668
2669         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2670         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2671         conditions.
2672
2673 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2676         handle EQ_EXPR and NE_EXPR.
2677
2678 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2679
2680         * graphite-poly.h (poly_dr): Fix comment.
2681
2682 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2683             Tobias Grosser  <grosser@fim.uni-passau.de>
2684
2685         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2686         with a zero dimension polyhedron.
2687         (find_scop_parameters): Move the call to scop_set_nb_params here.
2688         (build_loop_iteration_domains): Store in loop->aux the iteration
2689         domain polyhedron.
2690         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2691         by any loop in scop.
2692         (build_poly_scop): Do not call scop_set_nb_params.
2693
2694 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2695             Tobias Grosser  <grosser@fim.uni-passau.de>
2696
2697         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2698         add_condition_to_domain not GT_EXPR.
2699
2700 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2701
2702         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2703         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2704         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2705         upper_bound_assign to calculate unions.
2706         * testsuite/gcc.dg/graphite/id-6.c: New.
2707
2708 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2709
2710         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2711         handle abnormal edges.
2712
2713 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2714
2715         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2716         (free_poly_bb): Also free poly_drs.
2717         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2718         (poly_dr): Polyhedron to Pointset_Powerset.
2719         (pdr_accessp_nb_subscripts): Same.
2720         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2721         poly_drs.
2722
2723 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2726         names into more meaningful names.
2727
2728 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2731         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2732
2733 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2736         the reduction_list.
2737         * tree-parloops.c (rewrite_phi_with_iv): New.
2738         (rewrite_all_phi_nodes_with_iv): New.
2739         (canonicalize_loop_ivs): Call them.
2740
2741 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2744         graphite_find_data_references_in_stmt.
2745         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2746         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2747
2748 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2751
2752 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2755         instead of bb_in_region.
2756         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2757         (build_sese_conditions): Use flag_bb_in_sese.
2758         * sese.c (register_bb_in_sese): Removed.
2759         (new_sese): Remove initialization of SESE_REGION_BBS.
2760         (free_sese): Do not free SESE_REGION_BBS.
2761         * sese.h (struct sese): Remove field region_basic_blocks.
2762         (SESE_REGION_BBS): Removed.
2763         (bb_in_sese_p): Implement in function of bb_in_region.
2764
2765 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2768         loops.
2769
2770 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2771
2772         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2773         and EQ_EXPR.
2774         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2775         (add_condition_to_domain): New.
2776         (add_condition_to_pbb): New.
2777         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2778         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2779
2780 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2783         ppl_Pointset_Powerset.
2784         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2785         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2786         (pbb_nb_loops): Same.
2787         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2788         add_conditions_to_domain): Same.
2789         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2790         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2791         ppl_const_Polyhedron_t.
2792         (ppl_print_powerset_matrix): New.
2793         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2794         ppl_print_powerset_matrix): New.
2795         (ppl_print_polyhedron_matrix): Updated.
2796
2797 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2798
2799         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2800
2801 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2802
2803         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2804         (print_iteration_domains, debug_iteration_domain,
2805         debug_iteration_domains): New.
2806         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2807         debug_iteration_domains): Declared.
2808         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2809         indenting.
2810
2811 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2812             Sebastian Pop  <sebastian.pop@amd.com>
2813
2814         * graphite-poly.h (print_iteration_domain): New.
2815         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2816         (build_sese_conditions_1, build_sese_conditions_after,
2817         build_sese_conditions_before): New.
2818         (build_sese_conditions): Rewritten.
2819
2820 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2821             Tobias Grosser  <grosser@fim.uni-passau.de>
2822
2823         Cleanup of code generation liveouts.
2824         * graphite-clast-to-gimple.c (translate_clast): Use a single
2825         rename_map instead of one per translated statement.
2826         Do not use SESE_LIVEOUT_RENAMES.
2827         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2828         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2829         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2830         phi node of a reduction: when a loop contains a reduction used outside
2831         the loop, there should be a scalar close phi node on the exit block.
2832         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2833         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2834         (free_sese): Do not free them.
2835         (sese_build_liveouts_use): Do not use them.
2836         (sese_build_liveouts_bb): Same.
2837         (sese_build_liveouts): Same.
2838         (sese_insert_phis_for_liveouts): Same.
2839         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2840         (defined_in_loop_p): New.
2841         (alive_after_loop): New.
2842         (close_phi_not_yet_inserted_p): New.
2843         (struct alep, alep_p): New.
2844         (add_loop_exit_phis): Remove from the rename_map all the names defined
2845         in the code generated loop.
2846         (insert_loop_close_phis): Traverse the rename_map passed to it.
2847         Don't use SESE_LIVEOUT_RENAMES.
2848         (default_liveout_before_guard): Renamed default_before_guard.
2849         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2850         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2851         (register_sese_liveout_renames): Removed.
2852         (copy_bb_and_scalar_dependences): Do not call it.
2853         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2854         reduction_list.
2855         (SESE_LIVEOUT): Removed.
2856         (SESE_LIVEOUT_RENAMES): Removed.
2857         (SESE_REDUCTION_LIST): Removed.
2858         (sese_build_liveouts): Removed.
2859         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2860         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2861         (insert_guard_phis): Same.
2862         (rename_map_elt): Declare a VEC of them.
2863         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2864         trees not pointers to trees.
2865
2866         Rewrite in canonical close SSA form:
2867         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2868         (limit_scops): Close the scop after the block containing the close phi
2869         nodes.
2870         (canonicalize_loop_closed_ssa): New.
2871         (canonicalize_loop_closed_ssa_form): New.
2872         (build_scops): Call canonicalize_loop_closed_ssa_form.
2873
2874         * graphite-sese-to-poly.c: Fix typos.
2875
2876 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2879         Extended.
2880         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2881         (print_pbb): Add conditions.
2882
2883 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2884             Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2887         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2888         (build_scop_bbs_1): New.
2889         (build_scop_bbs): Rewrite.
2890         * sese.h (bb_in_region): New.
2891
2892 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2893
2894         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2895         poly_drs vector.
2896         (print_scop): Style.
2897         * graphite-poly.h (poly_bb): Add drs vector.
2898         (PBB_DRS): Add accessor.
2899         * graphite-sese-to-poly.c (build_poly_dr): New.
2900         (build_pbb_drs, build_scop_drs): New.
2901         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2902
2903 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2904
2905         * tree-ssa-loop.c: Include forgotten toplev.h
2906
2907 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2908
2909         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2910         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2911         * testsuite/gcc.dg/graphite/pr37928.c: Same
2912         * testsuite/gcc.dg/graphite/pr38409.c: Same
2913         * testsuite/gcc.dg/graphite/pr38498.c: Same
2914         * testsuite/gcc.dg/graphite/pr38559.c: Same
2915         * testsuite/gcc.dg/graphite/pr39335.c: Same
2916         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2917         * testsuite/gfortran.dg/graphite/block-2.f: Same
2918         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2919         with -floop-*.
2920
2921 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2922
2923         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2924         build_access_matrix, build_scop_data_accesses): Remove access function
2925         building. (We get a new version soon).
2926         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2927         * sese.h (nb_loops_around_loop_in_sese): Remove.
2928         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2929
2930 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2931             Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * graphite-scop-detection.c (struct scopdet_info): Rename last
2934         field to exit.
2935         (scopdet_basic_block_info, build_scops_1): Don't use
2936         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2937
2938 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2939             Sebastian Pop  <sebastian.pop@amd.com>
2940
2941         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2942         * sese.c (sese_build_liveouts_use): Renamed from
2943         sese_build_livein_liveouts_use. Remove liveins.
2944         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2945         Call sese_build_liveouts_use.
2946         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2947         Call sese_build_liveouts_bb.
2948         (new_sese, free_sese): Remove liveins.
2949         (sese_add_exit_phis_var): Deleted.
2950         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2951         directly.
2952         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2953
2954         * sese.h (sese): Remove num_ver and livein.
2955         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2956
2957 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2958
2959         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2960
2961 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2962
2963         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2964         (build_scop_scattering): Do not use compare_prefix_loops any more.
2965         (nb_common_loops): New.
2966
2967 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2968
2969         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2970         (register_old_and_new_names): Renamed set_rename.
2971
2972 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2975         of the decl from the previous commit.
2976
2977 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         * graphite-scop-detection.c (dot_scop): New.
2980         * graphite-scop-detection.h (dot_scop): Declared.
2981
2982 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2985
2986 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2989         condition at the end of the loop.
2990         * graphite.c (graphite_initialize, graphite_finalize): Print to
2991         dump_file the compiled function.
2992         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2993         of create_empty_loop_on_edge.
2994         (translate_clast): Update the code generation of loops for the new
2995         shape of loops.
2996         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2997
2998 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         Reverted the patch from 2009-03-19.
3001
3002 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3003
3004         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3005         poly_drs vector.
3006         (print_scop): Style.
3007         * graphite-poly.h (poly_bb): Add drs vector.
3008         (PBB_DRS): Add accessor.
3009         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3010         (build_access_matrix_with_af, build_access_matrix,
3011         build_scop_data_accesses): Delete.
3012         (build_poly_dr): New.
3013         (build_pbb_drs, build_scop_drs): New.
3014         (build_poly_scop): call build_scop_drs.
3015
3016 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3019         once per basic block.
3020
3021 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3022
3023         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3024         (graphite_can_represent_expr): Renamed from loop_affine_expr
3025         and enhanced.
3026         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3027         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3028         (scopdet_basic_block_info): Actually define entry_block.
3029         (stmt_simple_memref_p): Moved here from ...
3030
3031         * tree-data-ref.c (stmt_simple_memref_p): here.
3032         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3033
3034 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3035
3036         * testsuite/gcc.dg/graphite/id-4.c: New.
3037
3038 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3039
3040         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3041         (register_old_and_new_names): Update the content of the map.
3042         When there was already a rename_map_elt in the map at that
3043         location, free it.
3044         (copy_bb_and_scalar_dependences): Do rename_variables after
3045         expand_scalar_variables.
3046         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3047         of the map.  When there was already a rename_map_elt in the
3048         map at that location, free it.
3049         (translate_clast): Pass the rename_map.  Do not initialize and free
3050         a rename_map per stmt_user.
3051         (gloog): Initialize and free one rename_map and pass it to
3052         translate_clast.
3053
3054 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * sese.c (expand_scalar_variables_stmt,
3057         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3058         parameter.
3059         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3060         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3061         the gimple_stmt_iterator of the statement to be expanded.
3062         * graphite-scop-detection.c (is_simple_operand): Do handle
3063         REALPART_EXPR.
3064
3065 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3066
3067         * graphite-scop-detection.c (is_simple_operand): Do not handle
3068         REALPART_EXPR.
3069         * testsuite/gcc.dg/graphite/id-2.c: New.
3070
3071         * graphite-sese-to-poly.c (build_bb_loops,
3072         add_value_to_dim, scan_tree_for_params_right_scev,
3073         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3074         find_params_in_bb, build_loop_iteration_domains,
3075         add_conditions_to_domain): Remove subtract.
3076
3077 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3078
3079         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3080         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3081         pbb_loop_at_index -> gbb_loop_at_index.
3082         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3083         (debug_loop_vec): Delete.
3084         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3085         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3086         (PBB_LOOPS): Removed.
3087         (PBB_BLACK_BOX): Insert cast.
3088         (pbb_set_black_box): New setter.
3089         (pbb_loop_at_index, pbb_loop_index): Removed.
3090         (scop_set_region, scop_set_nb_params): New.
3091         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3092         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3093         (build_poly_scop): Use scop_set_nb_params.
3094         * sese.h (gimple_bb): Add LOOPS.
3095         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3096
3097 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3098
3099         Revert previous commit.
3100
3101 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3102
3103         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3104         (register_old_and_new_names): Update the content of the map.
3105         When there was already a rename_map_elt in the map at that
3106         location, free it.
3107         (copy_bb_and_scalar_dependences): Do rename_variables after
3108         expand_scalar_variables.
3109         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3110         of the map.  When there was already a rename_map_elt in the
3111         map at that location, free it.
3112         (translate_clast): Pass the rename_map.  Do not initialize and free
3113         a rename_map per stmt_user.
3114         (gloog): Initialize and free one rename_map and pass it to
3115         translate_clast.
3116
3117 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3118
3119         Remove forgotten line in revert.
3120
3121 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         Revert previous commit.
3124
3125 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * sese.c (register_old_and_new_names): Update the content
3128         of the map.  When there was already a rename_map_elt in the
3129         map at that location, free it.
3130         (copy_bb_and_scalar_dependences): Do rename_variables after
3131         expand_scalar_variables.
3132         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3133         of the map.  When there was already a rename_map_elt in the
3134         map at that location, free it.
3135         (translate_clast): Pass the rename_map.  Do not initialize and free
3136         a rename_map per stmt_user.
3137         (gloog): Initialize and free one rename_map and pass it to
3138         translate_clast.
3139
3140 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * graphite-clast-to-gimple.c (translate_clast): context_loop
3143         is never NULL.
3144
3145 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3146             Sebastian Pop  <sebastian.pop@amd.com>
3147
3148         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3149         of the use of ppl_Polyhedron_map_space_dimensions.
3150
3151 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3152             Sebastian Pop  <sebastian.pop@amd.com>
3153
3154         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3155         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3156         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3157         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3158         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3159         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3160         pbb_nb_params): New.
3161         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3162         nb_loops_around_pbb): Adapt return types.
3163
3164 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3165
3166         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3167         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3168         graphite-scop-detection.o, graphite-poly.o): Add
3169         more headers.
3170
3171 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3172
3173         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3174         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3175         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3176
3177 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3180         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3181         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3182         * testsuite/gcc.dg/graphite/block-0.c: Same.
3183         * testsuite/gcc.dg/graphite/block-1.c: Same.
3184         * testsuite/gcc.dg/graphite/block-2.c: Same.
3185         * testsuite/gcc.dg/graphite/block-3.c: Same.
3186         * testsuite/gcc.dg/graphite/block-4.c: Same.
3187         * testsuite/gcc.dg/graphite/block-5.c: Same.
3188         * testsuite/gcc.dg/graphite/block-6.c: Same.
3189         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3190         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3191         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3192         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3193         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3194         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3195         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3196         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3197         * opts.c: Remove -floop-block from -O2.
3198         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3199         -floop-strip-mine are used.
3200
3201 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3202             Sebastian Pop  <sebastian.pop@amd.com>
3203
3204         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3205         dimensions.
3206         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3207         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3208         strip_mine_profitable_p, is_interchange_valid,
3209         graphite_trans_bb_block, graphite_trans_loop_block,
3210         graphite_trans_scop_block): Temporary removed.
3211         (extend_scattering, unify_scattering_dimensions): New.
3212         (print_scattering_function, graphite_read_transforms):
3213         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3214         (graphite_generate_scattering_fns): Removed.
3215         (apply_poly_transforms): Cleanup.
3216         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3217         (schedule_to_scattering): Moved.
3218         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3219         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3220         (pbb_nb_scattering): New.
3221         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3222         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3223         Removed.
3224         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3225         shift_poly.
3226         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3227         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3228         -> PBB_TRANSFORMED_SCATTERING.
3229         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3230         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3231         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3232         (check_poly_representation): Do not return bool.
3233         (graphite_transform_loops): Reformat.
3234         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3235
3236 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3239         debug_pbb_domain, debug_pbb, debug_scop): New.
3240         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3241         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3242
3243 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3244
3245         PR middle-end/39335
3246         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3247         when the type precision of the induction variable should be
3248         larger than the type precision of nit.
3249         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3250         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3251         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3252
3253         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3254         * testsuite/gcc.dg/graphite/pr39335.c: New.
3255
3256 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3259         SSA_NAMES not struct reduction_info.
3260
3261 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3264
3265 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3266             Tobias Grosser  <grosser@fim.uni-passau.de>
3267
3268         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3269         (free_sese): Free SESE_REDUCTION_LIST.
3270         * sese.h (struct sese): Add field reduction_list.
3271         (SESE_REDUCTION_LIST): New.
3272         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3273         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3274
3275 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3276             Tobias Grosser  <grosser@fim.uni-passau.de>
3277
3278         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3279         of loop_p.
3280
3281 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3282             Tobias Grosser  <grosser@fim.uni-passau.de>
3283
3284         * tree-parloops.c (struct brli, build_reduction_list_info,
3285         analyze_reduction_list, gather_scalar_reductions): New.
3286         (loop_parallel_p): Build a reduction list containing only
3287         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3288         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3289         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3290         * tree-flow.h (gather_scalar_reductions): Declared.
3291
3292 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         PR middle-end/39308
3295         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3296         number_of_iterations_exit from a gcc_assert.
3297
3298 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3299             Jan Sjodin  <jan.sjodin@amd.com>
3300
3301         * output.h (graphite_out_file, graphite_in_file): Declared.
3302         * toplev.c (graphite_out_file, graphite_in_file): New.
3303         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3304         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3305         Don't call schedule_to_scattering.
3306         * common.opt (fgraphite-write, fgraphite-read): New.
3307         * graphite-poly.c: Include output.h.
3308         (print_scattering_function, print_scattering_functions,
3309         debug_scattering_function, debug_scattering_functions,
3310         graphite_write_transforms, graphite_read_transforms,
3311         graphite_generate_scattering_fns): New.
3312         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3313         Call graphite_generate_scattering_fns, graphite_write_transforms,
3314         graphite_read_transforms.
3315         (new_poly_bb): Initialize PBB_SCATTERING.
3316         (free_poly_bb): Free PBB_SCATTERING.
3317         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3318         * graphite-poly.h (struct poly_bb): Add field scattering.
3319         (PBB_SCATTERING): New.
3320         (print_scattering_function, print_scattering_functions,
3321         debug_scattering_function, debug_scattering_functions): Declared.
3322         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3323         GMP values, not integers!
3324         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3325         ppl_read_polyhedron_matrix): New.
3326         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3327         debug_ppl_polyhedron_matrix,
3328         ppl_read_polyhedron_matrix): Declared.
3329         * Makefile.in (graphite-poly.o): Depends on output.h.
3330
3331 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3332             Tobias Grosser  <grosser@fim.uni-passau.de>
3333
3334         Revert this change:
3335         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3336         scalar evolutions in the scop_entry->loop_father.
3337
3338 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3339             Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * graphite.h (ref_nb_loops): Remove declaration.
3342         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3343         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3344         debug_gbb): Moved to sese.h.
3345         * sese.h: As said.
3346
3347 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3348             Tobias Grosser  <grosser@fim.uni-passau.de>
3349
3350         * graphite-data-ref.[ch]: Disable.
3351
3352 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3353             Tobias Grosser  <grosser@fim.uni-passau.de>
3354
3355         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3356         scalar evolutions in the scop_entry->loop_father.
3357
3358 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3361         (graphite_cannot_represent_loop_niter): Renamed
3362         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3363         (limit_scops): build_sese_loop_nests does not return a bool.
3364         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3365         * sese.c (nb_reductions_in_loop): ... from here.
3366         (graphite_loop_normal_form): ... from here.
3367         (sese_record_loop): Does not fail, so does not return a bool.
3368         (build_sese_loop_nests): Same.
3369         * sese.h (build_sese_loop_nests): Update declaration.
3370         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3371         (build_graphite_loop_normal_form): New.
3372         (gloog): Call build_graphite_loop_normal_form.
3373         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3374         build_sese_loop_nests.
3375
3376         * testsuite/gcc.dg/graphite/id-1.c: New.
3377
3378 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3379             Tobias Grosser  <grosser@fim.uni-passau.de>
3380
3381         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3382         The SCoP detection fix is sufficient.
3383
3384 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3385
3386         PR tree-optimization/39260
3387         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3388         the basic block contains a condition with a real type.
3389         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3390
3391         * gcc.dg/graphite/pr39260.c: New.
3392
3393 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * graphite-poly.c: Inlcude params.h.
3396         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3397         the size of a tile.
3398         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3399         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3400
3401 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3402             Tobias Grosser  <grosser@fim.uni-passau.de>
3403
3404         * graphite-scop-detection.c (dot_all_scops_1,
3405         dot_all_scops): Moved here.
3406         * graphite-scop-detection.h (dot_all_scops): Declared here.
3407         * graphite.c (graphite_initialize, graphite_finalize): New.
3408         (graphite_transform_loops): Cleaned up.
3409         * sese.c (debug_oldivs): Moved here.
3410         * graphite-poly.c (graphite_apply_transformations): Renamed
3411         apply_poly_transforms.
3412         (debug_loop_vec): Moved here.
3413         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3414         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3415         find_scop_parameters, build_scop_iteration_domain,
3416         add_conditions_to_constraints, build_scop_canonical_schedules,
3417         build_scop_data_accesses): Now static.
3418         (build_poly_scop, check_poly_representation): New.
3419
3420 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3421
3422         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3423         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3424         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3425         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3426         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3427         scan_tree_for_params, struct irp_data, dx_record_params,
3428         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3429         build_loop_iteration_domains, add_conditions_to_domain,
3430         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3431         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3432         build_sese_conditions, add_conditions_to_constraints,
3433         build_scop_iteration_domain, build_access_matrix_with_af,
3434         build_access_matrix,
3435         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3436
3437         * graphite-sese-to-poly.c: New.
3438         * graphite-sese-to-poly.h: New.
3439
3440         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3441
3442 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         * graphite.c: Split graphite code generation to a new file.
3445         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3446         max_precision_type, clast_to_gcc_expression_red,
3447         clast_to_gcc_expression, gcc_type_for_clast_expr,
3448         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3449         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3450         graphite_create_new_guard, clast_get_body_of_loop,
3451         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3452         graphite_create_new_loop, build_iv_mapping, copy_renames,
3453         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3454         compute_cloog_iv_types, free_scattering, save_var_name,
3455         initialize_cloog_names, build_scop_context, build_cloog_prog,
3456         set_cloog_options, debug_clast_stmt, scop_to_clast,
3457         print_generated_program, debug_generated_program,
3458         gloog): Moved to graphite-clast-to-gimple.c.
3459
3460         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3461
3462         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3463         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3464         loop_iv_stack_pop, loop_iv_stack_get_iv,
3465         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3466         free_loop_iv_stack, loop_iv_stack_remove_constants,
3467         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3468         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3469         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3470         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3471         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3472         get_vdef_before_sese, sese_adjust_vphi,
3473         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3474         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3475         is_iv, expand_scalar_variables_ssa_name,
3476         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3477         expand_scalar_variables, rename_variables, remove_condition,
3478         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3479         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3480         default_liveout_before_guard, add_guard_exit_phis,
3481         insert_guard_phis, register_old_and_new_names,
3482         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3483         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3484         if_region_set_false_region, create_if_region_on_edge,
3485         move_sese_in_condition): Moved to sese.c.
3486
3487         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3488         if_region_exit, if_region_get_condition_block,
3489         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3490         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3491         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3492         ivtype_map_elt, new_ivtype_map_elt,
3493         recompute_all_dominators): Moved to sese.h.
3494
3495         * graphite-clast-to-gimple.c: New.
3496         * graphite-clast-to-gimple.h: New.
3497         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3498         * sese.c: Modified as said above.
3499         * sese.h: Same.
3500
3501 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c: Split scop detection to a new file.
3504         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3505         move_sd_regions, loop_affine_expr, exclude_component_ref,
3506         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3507         graphite_cannot_represent_loop_niter, struct scopdet_info,
3508         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3509         find_single_entry_edge, find_single_exit_edge,
3510         create_single_entry_edge, sd_region_without_exit,
3511         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3512         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3513         Moved to graphite-scop-detection.c.
3514
3515         * graphite-scop-detection.c: New.
3516         * graphite-scop-detection.h: New.
3517         * Makefile.in: Add new rule for graphite-scop-detection.o.
3518
3519         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3520         tree-scalar-evolution.h.
3521         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3522         build_sese_loop_nests): Moved here from graphite.c.
3523         (param_index): Renamed parameter_index_in_region.
3524
3525 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3526             Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         * gcc.dg/graphite/block-0.c: Expected to fail now.
3529         * gcc.dg/graphite/block-1.c: Same.
3530         * gcc.dg/graphite/block-5.c: Same.
3531         * gcc.dg/graphite/block-6.c: Same.
3532
3533 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3534             Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite.h: Separate from graphite_bb_p the polyhedral
3537         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3538         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3539         graphite-data-ref.h.
3540         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3541         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3542         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3543         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3544         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3545         scop_nb_params): Moved to graphite-poly.h.
3546         * graphite-data-ref.c: Same.
3547         * graphite-data-ref.h: New.
3548         * graphite.c: Same.
3549         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3550         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3551         is_interchange_valid, graphite_trans_bb_block,
3552         graphite_trans_loop_block, scop_max_loop_depth,
3553         graphite_trans_scop_block, graphite_apply_transformations,
3554         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3555         graphite-poly.c.
3556         * graphite-poly.h: New.
3557         * graphite-poly.c: New.
3558         * Makefile.in (OBJS-common): Add graphite-poly.o.
3559         (graphite-poly.o): New rule.
3560         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3561         (DR_SCOP): Removed.
3562
3563 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3564             Tobias Grosser  <grosser@fim.uni-passau.de>
3565
3566         * graphite.c: Replace gb -> gbb.
3567         * graphite.h: Same.
3568         * graphite-data-ref.c: Same.
3569
3570 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3571             Tobias Grosser  <grosser@fim.uni-passau.de>
3572
3573         * Makefile.in (OBJS-commmon): Add sese.o.
3574         (sese.o): New.
3575         (graphite.o): Add sese.h.
3576         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3577         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3578         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3579         Move to sese.
3580         (block_before_scop): Add missing return.
3581         (new_scop, free_scop): Remove SESE data structures.
3582         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3583         find_scop_parameters, build_loop_iteration_domains,
3584         add_conditions_to_domain, register_scop_liveout_renames,
3585         copy_bb_and_scalar_dependences): Scop -> SESE.
3586
3587         (add_conditions_to_domain): SCoP -> SESE and remove check
3588         (scop_contains_non_iv_scalar_phi_nodes): New.
3589         (build_scop_conditions_1, build_scop_conditions): Remove check for
3590         non iv scalar phi nodes.
3591         (print_scop_statistics): New.
3592         (graphite_transform_loops): Cleanup.
3593
3594         * graphite.h: Move to sese & cleanup.
3595         * sese.c: New.
3596         * sese.h: New.
3597
3598 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3599             Tobias Grosser  <grosser@fim.uni-passau.de>
3600
3601         * graphite.c (build_scop_conditions_1): Conditions are only
3602         at the end of a basic block.
3603
3604 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3605             Tobias Grosser  <grosser@fim.uni-passau>
3606
3607         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3608         field.
3609         (GBB_ALPHA): Removed.
3610
3611 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3612             Tobias Grosser  <grosser@fim.uni-passau.de>
3613
3614         * graphite-data-ref.c (graphite_test_dependence): Don't use
3615         GBB_DYNAMIC_SCHEDULE.
3616         * graphite.c (new_graphite_bb): Same.
3617         (free_graphite_bb): Same.
3618         (build_scop_dynamic_schedules): Removed.
3619         (graphite_transform_loops): Don't call it.
3620         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3621         (GBB_DYNAMIC_SCHEDULE): Removed.
3622
3623 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3624             Tobias Grosser  <grosser@fim.uni-passau.de>
3625
3626         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3627         (print_graphite_bb): Same.
3628         (build_cloog_prog): Same.
3629
3630 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3631             Tobias Grosser  <grosser@fim.uni-passau.de>
3632
3633         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3634
3635 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3636             Tobias Grosser  <grosser@fim.uni-passau.de>
3637
3638         * graphite.c (build_scop_context): Don't use CloogMatrix.
3639         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3640         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3641
3642 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3643             Tobias Grosser  <grosser@fim.uni-passau.de>
3644
3645         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3646         liveout_renames, add_params fields...
3647         (struct sese): ... here.
3648         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3649         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3650
3651 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3652             Tobias Grosser  <grosser@fim.uni-passau.de>
3653
3654         * graphite.c (print_scop): Do not print the CLooG program.
3655         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3656         build_cloog_prog, gloog): Don't use SCOP_PROG.
3657         (find_transform): Renamed scop_to_clast.
3658         (print_generated_program, debug_generated_program): New.
3659         (graphite_transform_loops): Adapt to new interface.
3660         * graphite.h (struct scop): Remove program field.
3661         (SCOP_PROG): Removed.
3662         (print_generated_program, debug_generated_program): Declared.
3663
3664 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3665
3666         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3667         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3668         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3669         free_graphite_bb, build_scop_canonical_schedules,
3670         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3671         schedules are now represented using a ppl_Linear_Expression_t.
3672         * graphite.h (struct graphite_bb): Same.
3673         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3674         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3675
3676 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3677
3678         * graphite.c: Free local memory.
3679         * graphite-ppl.c: Same.
3680
3681 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3684         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3685         swap_constraint_variables, scale_constraint_variable): Removed.
3686         (graphite_trans_bb_strip_mine): Remove pong.
3687         * graphite-ppl.c: Include missing header files.
3688         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3689         * graphite-ppl.h (ppl_strip_loop): Declared.
3690         * Makefile.in (graphite-ppl.o): Adjust dependences.
3691
3692 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3693
3694         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3695         (build_scop_iteration_domain): Same.
3696
3697 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3700         ping pong.
3701         (add_value_to_dim, scan_tree_for_params_right_scev,
3702         scan_tree_for_params_int): New.
3703         * graphite-ppl.c (oppose_constraint): New.
3704         (insert_constraint_into_matrix): Implement missing cases.
3705         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3706
3707 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3708
3709         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3710         use ppl_move_dimension.
3711
3712 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3713
3714         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3715         * graphite.c: Same.
3716         * graphite.h: Same.
3717         * graphite-ppl.c: Same.
3718         * graphite-ppl.h: Same.
3719
3720 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3721
3722         Revert last 3 commits.
3723
3724 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3727         ping pong.
3728         (add_value_to_dim, scan_tree_for_params_right_scev,
3729         scan_tree_for_params_int): New.
3730         * graphite-ppl.c (oppose_constraint): New.
3731         (insert_constraint_into_matrix): Implement missing cases.
3732         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3733
3734 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3737
3738 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3739             Tobias Grosser  <grosser@fim.uni-passau.de>
3740
3741         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3742         use ppl_move_dimension.
3743         * graphite-ppl.c (ppl_move_dimension): New.
3744         * graphite-ppl.h (ppl_move_dimension): Declared.
3745
3746 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3747
3748         * graphite.c: Do not include cloog/cloog.h.
3749         (print_graphite_bb): Remove ping pong, call PPL print function.
3750
3751 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3752
3753         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3754         (graphite.o): Add dependence on graphite-ppl.h.
3755         (graphite-ppl.o): New.
3756         (graphite-data-ref.c): Ping pong between PPL data structures
3757         and matrices.
3758         * graphite-ppl.c: New.
3759         * graphite-ppl.h: New.
3760         * graphite.c: Include graphite-ppl.h.
3761         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3762         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3763         Ping pong between PPL data structures and matrices.
3764         (new_graphite_bb): Create a PPL constraint system.
3765         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3766         (build_loop_iteration_domains): Use PPL functions.
3767         * graphite.h: Include graphite-ppl.h.  Fix comments.
3768         (graphite_bb): Use a ppl_Constraint_System_t instead of
3769         CloogMatrix for representing the domain.
3770         (scop): Remove static_schedule.
3771         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3772
3773 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         * graphite.c: Fix some comments.
3776
3777 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         PR middle-end/38953
3780         * graphite.c (if_region_set_false_region): After moving a region
3781         in the false branch of a condition, remove the empty dummy
3782         basic block.
3783         (gloog): Remove wrong fix for PR38953.
3784
3785 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3786
3787         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3788         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3789         register_bb_in_sese, new_sese, free_sese): Moved.
3790         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3791         outermost_loop_in_scop, build_scop_iteration_domain,
3792         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3793         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3794         Use loop_in_sese_p instead of loop_in_scop_p.
3795         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3796         (free_scop): Do not free SCOP_BBS_B.
3797         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3798         ref_nb_loops): Moved here...
3799         * graphite.h (ref_nb_loops): ... from here.
3800         (struct scop): Remove bbs_b bitmap.
3801         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3802         * testsuite/gcc.dg/graphite/scop-19.c: New
3803
3804 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3805
3806         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3807         detection.
3808
3809 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3810
3811         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3812         eq_loop_to_cloog_loop): Remove.
3813         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3814         * graphite.h (struct scop): Remove loop2cloog_loop.
3815         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3816
3817 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3818
3819         * opts.c (decode_options): Only add graphite options to O2
3820         if we compile with graphite enabled.
3821
3822 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * Merge from mainline (r143163:143684).
3825
3826 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite.c (debug_value): Removed.
3829         * graphite.h (debug_value): Removed.
3830
3831 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3832
3833         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3834         after graphite: pass_copy_prop does not maintain a proper loop closed
3835         SSA form.  pass_copy_prop should be fixed.
3836
3837 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3840
3841 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3842
3843         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3844         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3845         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3846         changed the CFG.
3847
3848 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * graphite.c (gloog): Return true when code gen succeeded.
3851         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3852         the code of the function did not changed.  After cleanup_tree_cfg
3853         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3854         form.
3855
3856 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3857
3858         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3859         gimple_call_lhs is NULL.
3860
3861 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3862             Tobias Grosser  <tobi.grosser@amd.com>
3863
3864         * graphite.c (graphite_trans_scop_block): Do not block single
3865         nested loops.
3866
3867 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3868             Tobias Grosser  <tobi.grosser@amd.com>
3869
3870         * graphite.c (build_scop_canonical_schedules): Start schedules at
3871         zero.
3872
3873 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3874             Tobias Grosser  <tobi.grosser@amd.com>
3875
3876         * graphite.c (compare_prefix_loops): New.
3877         (build_scop_canonical_schedules): Rewritten.
3878         (graphite_transform_loops): Move build_scop_canonical_schedules
3879         after build_scop_iteration_domain.
3880
3881 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3882             Tobias Grosser  <tobi.grosser@amd.com>
3883
3884         * graphite.c (add_conditions_to_domain): Add the loops to
3885         the dimension of the iteration domain.  Do copy the domain
3886         only when it exists.
3887         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3888         (add_conditions_to_constraints): New.
3889         (can_generate_code_stmt, can_generate_code): Removed.
3890         (gloog): Do not call can_generate_code.
3891         (graphite_transform_loops): Call add_conditions_to_constraints
3892         after building the iteration domain.
3893
3894 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3895             Tobias Grosser  <tobi.grosser@amd.com>
3896             Jan Sjodin  <jan.sjodin@amd.com>
3897
3898         * graphite.c (scan_tree_for_params): On substractions negate
3899         all the coefficients of the term.
3900         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3901         of more than two operands.
3902         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3903         (get_vdef_before_scop): Handle also the case of default definitions.
3904
3905 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         PR middle-end/38431
3908         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3909         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3910         (gloog): Do not call cleanup_tree_cfg.
3911         (graphite_transform_loops): Call cleanup_tree_cfg after all
3912         scops have been code generated.
3913
3914 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         * passes.c (init_optimization_passes): Schedule after
3917         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3918
3919 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3920
3921         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3922         Fix comment.
3923         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3924         Set the type of an expression to the type of its assign statement.
3925         (expand_scalar_variables_expr):  Do not pass loop_p.
3926         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3927         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3928         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3929
3930 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3931
3932         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3933         an expression to the gimple_expr_type of its assign statement.
3934         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3935         or tcc_declaration.
3936
3937 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3938
3939         PR tree-optimization/38786
3940         * testsuite/gcc.dg/graphite/pr38786.c: New.
3941         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3942         the SSA_NAME case of expand_scalar_variables_expr.
3943         (expand_scalar_variables_expr): Also gather the scalar computation
3944         used to index the memory access.
3945         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3946         the gimple_stmt_iterator where it inserts new code.
3947
3948 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3951
3952 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3953
3954         * opts.c (decode_options): Enable flag_graphite_identity and
3955         flag_loop_block in -O2 and above.
3956
3957 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3958
3959         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3960         Fix merge problem: replace with the file from trunk.
3961
3962 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         * Merge from mainline (r141727:143163).
3965
3966 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3967             Jan Sjodin  <jan.sjodin@amd.com>
3968
3969         PR tree-optimization/38559
3970         * testsuite/gcc.dg/graphite/pr38559.c: New.
3971
3972         * graphite.c (debug_value, copy_constraint,
3973         swap_constraint_variables, scale_constraint_variable, ): New.
3974         (get_lower_bound, get_upper_bound): Removed.
3975         (graphite_trans_bb_strip_mine): Clean up this code that works
3976         only for constant number of iterations.  Fully copy upper and
3977         lower bound constraints, not only the constant part of them.
3978         * graphite.h (debug_value): Declared.
3979
3980 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3981
3982         PR tree-optimization/38492
3983         PR tree-optimization/38498
3984         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3985         * tree-chrec.h (scev_is_linear_expression): Declared.
3986         * graphite.c (graphite_cannot_represent_loop_niter): New.
3987         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3988         (graphite_loop_normal_form): Use gcc_assert.
3989         (scan_tree_for_params): Use CASE_CONVERT.
3990         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3991         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3992         Use gcc_assert.  Discard scops that contain unhandled cases.
3993         (build_scop_conditions): Return a boolean status for unhandled cases.
3994         (strip_mine_profitable_p): Print the loop number, not its depth.
3995         (is_interchange_valid): Pass the depth of the loop nest, don't
3996         recompute it wrongly.
3997         (graphite_trans_bb_block): Same.
3998         (graphite_trans_bb_block): Print tentative of loop blocking.
3999         (graphite_trans_scop_block): Do not print that the loop has been
4000         blocked.
4001         (graphite_transform_loops): Do not handle scops that contain condition
4002         scalar phi nodes.
4003
4004         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4005         in trunk.
4006         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4007         * testsuite/gcc.dg/graphite/block-1.c: Same.
4008         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4009         blocking.
4010         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4011         * testsuite/gcc.dg/graphite/block-3.c: New.
4012         * testsuite/gcc.dg/graphite/pr38498.c: New.
4013
4014 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4015
4016         PR tree-optimization/38510
4017         * gcc.dg/graphite/pr38510.c: New.
4018         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4019           (translate_clast): Call recompute_all_dominators before
4020           graphite_verify.
4021           (gloog): Call recompute_all_dominators before graphite_verify.
4022
4023 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4024
4025         PR tree-optimization/38492
4026         * graphite.c (rename_map_elt, debug_rename_elt,
4027         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4028         rename_map_elt_info, eq_rename_map_elts,
4029         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4030         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4031         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4032         (sese_build_livein_liveouts): New.
4033         (new_sese, free_sese): New.
4034         (new_scop): Call new_sese.
4035         (free_scop): Call free_sese.
4036         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4037         (register_old_new_names): Renamed register_old_and_new_names.
4038         (register_scop_liveout_renames, add_loop_exit_phis,
4039         insert_loop_close_phis, struct igp,
4040         default_liveout_before_guard, add_guard_exit_phis,
4041         insert_guard_phis, copy_renames): New.
4042         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4043         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4044         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4045         (scop_adjust_phis_for_liveouts): New.
4046         (gloog): Call scop_adjust_phis_for_liveouts.
4047
4048         * graphite.h (struct sese): Documented.  Added fields liveout,
4049         num_ver and livein.
4050         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4051         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4052         (struct scop): Added field liveout_renames.
4053         (SCOP_LIVEOUT_RENAMES): New.
4054
4055 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4056
4057         PR tree-optimization/38409
4058         * gcc.dg/graphite/pr38409.c: New.
4059         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4060
4061 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4062
4063         * graphite.c (gcc_type_for_cloog_iv): By default return
4064         integer_type_node.
4065         (graphite_create_new_loop): Don't fold_convert the already
4066         fold_convert-ed expression.
4067
4068 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4069
4070         PR tree-optimization/38446
4071         * gcc.dg/graphite/pr38446.c: New.
4072         * graphite.c (register_bb_in_sese): New.
4073         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4074         looking at the bbs in the region.
4075         * graphite.h (sese): Add region_basic_blocks pointer set to
4076         structure and initialize at the time of defining new scop.
4077
4078 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4079
4080         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4081         (find_params_in_bb): Do not free data refs.
4082         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4083
4084 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4087         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4088         * testsuite/gcc.dg/graphite/block-5.c: New.
4089         * testsuite/gcc.dg/graphite/block-6.c: New.
4090         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4091         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4092         * testsuite/gcc.dg/graphite/block-2.c: Same.
4093
4094         * graphite.c (struct ivtype_map_elt): New.
4095         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4096         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4097         gcc_type_for_cloog_iv): New.
4098         (loop_iv_stack_patch_for_consts): Use the type of the induction
4099         variable from the original loop, except for the automatically
4100         generated loops, i.e., in the case of a strip-mined loop, in
4101         which case there is no original loop: in that case just use
4102         integer_type_node.
4103         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4104         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4105         (clast_name_to_gcc): Accept params to be NULL.
4106         (clast_to_gcc_expression): Take an extra parameter for the type.
4107         Convert to that type all the expressions built by this function.
4108         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4109         (graphite_translate_clast_equation): Compute the type of the
4110         clast_equation before translating its LHS and RHS.
4111         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4112         (graphite_create_new_loop): Compute the type of the induction
4113         variable before translating the lower and upper bounds and before
4114         creating the induction variable.
4115         (rename_variables_from_edge, rename_phis_end_scop): New.
4116         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4117         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4118         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4119         compute_cloog_iv_types): New.
4120         (gloog): Call compute_cloog_iv_types before starting the
4121         translation of the clast.
4122
4123         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4124         (GBB_CLOOG_IV_TYPES): New.
4125         (debug_ivtype_map): Declared.
4126         (oldiv_for_loop): New.
4127
4128 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4129
4130         PR middle-end/38459
4131         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4132         (param_index): Assert if parameter is not know after parameter
4133         detection.
4134         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4135         (find_scop_parameters): Mark, that we have finished parameter
4136         detection.
4137         (graphite_transform_loops): Move condition detection before parameter
4138         detection.
4139         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4140         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4141
4142 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4143
4144         * graphite.c (graphite_transform_loops): Always call find_transform ()
4145         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4146         generate code.
4147
4148 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4149
4150         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4151         (print_scop): Ditto.
4152
4153 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4154
4155         PR middle-end/38084
4156         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4157         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4158         regions more than once.
4159
4160 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4161
4162         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4163         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4164         when not needed.
4165
4166 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4169         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4170         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4171         (max_precision_type): New.
4172         (value_clast): Removed.
4173         (clast_to_gcc_expression): Be more careful to types of expressions.
4174         Use max_precision_type and update use of gmp_cst_to_tree.
4175         (graphite_translate_clast_equation): Use max_precision_type.
4176         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4177         use the type of the condition.
4178         (graphite_create_new_loop): Do not use integer_type_node, use the
4179         max_precision_type of lb and ub.
4180
4181 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4182
4183         * graphite.c (build_scops_1): Initialize open_scop.exit
4184         and sinfo.last.
4185
4186 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4187
4188         * testsuite/gcc.dg/graphite/pr38084.c: New.
4189         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4190         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4191         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4192         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4193         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4194
4195 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4196             Jan Sjodin  <jan.sjodin@amd.com>
4197             Harsha Jagasia  <harsha.jagasia@amd.com>
4198
4199         PR middle-end/37852
4200         PR middle-end/37883
4201         PR middle-end/37928
4202         PR middle-end/37980
4203         PR middle-end/38038
4204         PR middle-end/38039
4205         PR middle-end/38073
4206         PR middle-end/38083
4207         PR middle-end/38125
4208
4209         * testsuite/gcc.dg/graphite/pr38073.c: New.
4210         * testsuite/gcc.dg/graphite/pr37928.c: New.
4211         * testsuite/gcc.dg/graphite/pr37883.c: New.
4212         * testsuite/gcc.dg/graphite/pr38125.c: New.
4213         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4214         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4215         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4216
4217         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4218         the number of detected scops.  Copy exact same test for loop
4219         blocking...
4220         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4221         loops to be blocked as reductions are not handled.
4222         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4223
4224         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4225         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4226         ...here.
4227         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4228         * Makefile.in (graphite.o): Depend on value-prof.h.
4229         (graphite.o-warn): Removed -Wno-error.
4230         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4231         to be a NULL pointer.  Call update_stmt.  Return the newly created
4232         cannonical induction variable.
4233
4234         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4235
4236         * graphite.c: Reimplement the code generation from graphite to gimple.
4237         Include value-prof.h.
4238         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4239         (get_old_iv_from_ssa_name): Removed.
4240         (graphite_stmt_p): New.
4241         (new_graphite_bb): Test for useful statements before building a
4242         graphite statement for the basic block.
4243         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4244         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4245         reason.
4246         (recompute_all_dominators, graphite_verify,
4247         nb_reductions_in_loop, graphite_loop_normal_form): New.
4248         (scop_record_loop): Call graphite_loop_normal_form.
4249         (build_scop_loop_nests): Iterate over all the blocks of the
4250         function instead of relying on the incomplete information from
4251         SCOP_BBS.  Return the success of the operation.
4252         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4253         (add_bb_domains): Removed.
4254         (build_loop_iteration_domains): Don't call add_bb_domains.
4255         Add the iteration domain only to the basic blocks that have been
4256         translated to graphite.
4257         (build_scop_conditions_1): Add constraints only if the basic
4258         block have been translated to graphite.
4259         (build_scop_data_accesses): Completely disabled until data
4260         dependence is correctly implemented.
4261         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4262         (remove_all_edges_1, remove_all_edges): Removed.
4263         (get_new_name_from_old_name): New.
4264         (graphite_rename_variables_in_stmt): Renamed
4265         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4266         Use replace_exp and update_stmt.
4267         (is_old_iv): Renamed is_iv.
4268         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4269         Use replace_exp and update_stmt.
4270         (expand_scalar_variables_expr): Same.  Use the map to get the
4271         new names for the renaming of induction variables and for the
4272         renaming of variables after a basic block has been copied.
4273         (expand_scalar_variables): Same.
4274         (graphite_rename_variables): Renamed rename_variables.
4275         (move_phi_nodes): Removed.
4276         (get_false_edge_from_guard_bb): New.
4277         (build_iv_mapping): Do not insert the induction variable of a
4278         loop in the renaming iv map if the basic block does not belong
4279         to that loop.
4280         (register_old_new_names, graphite_copy_stmts_from_block,
4281         copy_bb_and_scalar_dependences): New.
4282         (translate_clast): Heavily reimplemented: copy basic blocks,
4283         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4284         At each translation step call graphite_verify ensuring the
4285         consistency of the SSA, loops and dominators information.
4286         (collect_virtual_phis, find_vdef_for_var_in_bb,
4287         find_vdef_for_var_1, find_vdef_for_var,
4288         patch_phis_for_virtual_defs): Removed huge hack.
4289         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4290         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4291         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4292         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4293         if_region_get_condition_block, if_region_set_false_region,
4294         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4295         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4296         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4297         rewrite_into_sese_closed_ssa): New.
4298         (gloog): Remove dead code.  Early return if code cannot be
4299         generated.  Call cleanup_tree_cfg once the scop has been code
4300         generated.
4301         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4302         block loops with less than two loops.
4303         (graphite_apply_transformations): Remove the call to
4304         scop_remove_ignoreable_gbbs.
4305         (limit_scops): When build_scop_loop_nests fails, continue on
4306         the next scop.  Fix open_scop.entry.
4307         (graphite_transform_loops): Call recompute_all_dominators: force the
4308         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4309         Call initialize_original_copy_tables and free_original_copy_tables
4310         to be able to copy basic blocks during code generation.
4311         When build_scop_loop_nests fails, continue on next scop.
4312         (value_clast): New union.
4313         (clast_to_gcc_expression): Fix type cast warning.
4314
4315 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4316
4317         * Merge from mainline (r140838:141727).
4318
4319 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4320
4321         PR middle-end/37833
4322
4323         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4324
4325 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4326
4327         PR middle-end/37943
4328
4329         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4330         exits and conditions.
4331         * testsuite/gcc.dg/graphite/pr37943.c: New.
4332
4333 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4334
4335         PR middle-end/37886
4336         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4337
4338 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4339
4340         * doc/invoke.texi: Fix spaces.
4341
4342 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4343
4344         PR tree-optimization/37891
4345         Reverted last commit.
4346         * graphite.c (create_single_entry_edge): Set
4347         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4348
4349 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4350             Mitul Thakkar  <mitul.thakkar@amd.com>
4351
4352         * graphite.c (create_single_entry_edge): Set
4353         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4354
4355 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4356
4357         * doc/invoke.texi: Add -fgraphite-identity.
4358         * graphite.c (graphite_apply_transformations): Check for
4359         -fgraphite-identity.
4360         * toplev.c (process_options): Add flag_graphite_identity.
4361         * tree-ssa-loop.c: Add flag_graphite_identity.
4362
4363 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4364
4365         Undo changes from 2008-10-02:
4366         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4367         operand type when copying the operand to a variable of different type.
4368         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4369         with the IV name after increment.
4370
4371 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4372             Harsha Jagasia  <harsha.jagasia@amd.com>
4373
4374         PR tree-optimization/37828
4375         * testsuite/gcc.dg/graphite/pr37828.c: New.
4376         * graphite.c (graphite_trans_loop_block): Do not loop block
4377         single nested loops.
4378
4379 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4380             Sebastian Pop  <sebastian.pop@amd.com>
4381
4382         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4383         rename_map_elt_info, eq_rename_map_elts): New.
4384         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4385         (expand_scalar_variables_expr): Change parameters.
4386         (expand_scalar_variables_stmt): Same.
4387         (expand_scalar_variables): Same.
4388         (graphite_rename_ivs): Rename graphite_rename_variables.
4389         (build_iv_mapping): New.
4390         (translate_clast): Call build_iv_mapping.
4391         * graphite.h (gbb_p): New name.
4392
4393 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4394
4395         PR tree-optimization/37684
4396         * gcc.dg/graphite/pr37684.c: New.
4397         * graphite.c (exclude_component_ref): New.
4398         (is_simple_operand): Call exclude_component_ref.
4399
4400 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4401             Harsha Jagasia  <harsha.jagasia@amd.com>
4402
4403         PR tree-optimization/37485
4404         * gcc.dg/graphite/block-2.c: New
4405         * graphite.c (gmp_cst_to_tree): Moved.
4406         (iv_stack_entry_is_constant): New.
4407         (iv_stack_entry_is_iv): New.
4408         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4409         (loop_iv_stack_insert_constant): New.
4410         (loop_iv_stack_pop): Use new datatpype.
4411         (loop_iv_stack_get_iv): Same.
4412         (loop_iv_stack_get_iv_from_name): Same.
4413         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4414         (loop_iv_stack_patch_for_consts): New.
4415         (loop_iv_stack_remove_constants): New.
4416         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4417         (translate_clast): Call loop_iv_stack_patch_for_consts and
4418         loop_iv_stack_remove_constants.
4419         (gloog): Use new datatype.  Redirect construction edge to end
4420         block to avoid accidental deletion.
4421         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4422         iv stack entry.
4423         (union iv_stack_entry_data): New.  Data in iv stack entry.
4424         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4425
4426 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4427
4428         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4429         operand type when copying the operand to a variable of different type.
4430
4431 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4432
4433         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4434         with the IV name after increment.
4435
4436 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4437
4438         * Merge from mainline (r140164:140838).
4439
4440 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4441
4442         * graphite-data-ref.c: New.
4443         * graphite.c (print_scop): Also dump the dependence graph.
4444         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4445         (new_scop): Initialize SCOP_DEP_GRAPH.
4446         (build_scop_dynamic_schedules): New.
4447         (build_access_matrix_with_af): Fixed column numbering.
4448         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4449         * graphite.h: Add ifndef/define guards against multiple inclusion.
4450         (struct scop): Add dep_graph field.
4451         (SCOP_DEP_GRAPH): Defined.
4452         (ref_nb_loops): Fixed and moved to other position.
4453         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4454         (nb_loops_around_loop_in_scop): New.
4455         (graphite_dump_dependence_graph): Declared.
4456         (graphite_build_rdg_all_levels): Declared.
4457         (graphite_test_dependence): Declared.
4458         * Makefile.in (graphite-data-ref.o): New target.
4459
4460 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4461
4462         * Merge from mainline (139870:140164).
4463
4464 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4465
4466         * Merge from mainline (138275:139870).
4467         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4468         the commits from trunk broke the niter detection.
4469
4470 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472         * graphite.c: Add more documentation.  Fix formatting.
4473         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4474         loop_iv_stack_debug): Moved...
4475         (schedule_to_scattering): Move before use.
4476         (dot_all_scops): Include in "#if 0" the code for system
4477         call dotty.
4478
4479         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4480         loop_iv_stack_debug): ...here.
4481
4482 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4483
4484         * tree-phinodes.c (make_phi_node): Extern.
4485         (add_phi_node_to_bb): New.
4486         (create_phi_node): Call add_phi_node_to_bb.
4487         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4488         (remove_statement): Handle case where stored phi was updated
4489         and is no longer the same.
4490         * graphite.c (is_parameter): New.
4491         (is_old_iv): New.
4492         (expand_scalar_variables_expr): New.
4493         (expand_scalar_variables_stmt): New.
4494         (expand_scalar_variables): New.
4495         (move_phi_nodes): Create new phi instead of moving old one.
4496         (translate_clast): Call expand_scalar_variables.
4497         (find_vdef_for_var_in_bb): Also scan regular definitions.
4498         (skip_phi_defs): New.
4499         (collect_scop_exit_phi_args): New.
4500         (patch_scop_exit_phi_args): New.
4501         (gloog): Patch phis after scop.
4502         * tree-flow.h: (add_phi_node_to_bb): Declared.
4503         (make_phi_node): Declared.
4504
4505 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * graphite.c (end_scop): Split the entry of the scop when it
4508         is the header of the loop in which the scop is ending.
4509         (build_scops_1, limit_scops): Update uses of end_scop.
4510
4511 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4512
4513         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4514         SCOP_ENTRY or SCOP_EXIT.
4515
4516 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4517
4518         * graphite.c (get_construction_edge): Removed.
4519         (gloog): Construction edge is the scop entry edge.
4520
4521 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4522
4523         * graphite.c (can_generate_for_scop): Removed.
4524         (gloog): Do not call it.
4525
4526 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4527
4528         * graphite.c (new_scop): Entry of a scop is an edge.
4529         Initialize SESE region.
4530         (free_scop): Free SESE region.
4531         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4532         (split_difficult_bb): New, split from end_scop.
4533         (end_scop): Exit of a scop is an edge.
4534         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4535         not automatically updated and thus is always wrong.
4536         * graphite.h (struct sese): New.
4537         (SESE_ENTRY): New.
4538         (SESE_EXIT): New.
4539         (struct scop): New field for a SESE region.  Remove entry, exit.
4540         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4541         semantics as before.  Moved comment around.
4542
4543 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4544             Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * graphite.c (graphite_transform_loops): Always enable gloog
4547         and find_transform when ENABLE_CHECKING.
4548
4549 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         * graphite.c (graphite_transform_loops): Move pretty printer
4552         of SCOPs before doing any transform.  Remove call to print_scops
4553         and dot_all_scops_1.
4554
4555 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4558         (print_graphite_bb): Same.
4559
4560 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4561
4562         * graphite.c (dot_all_scops_1): Cleanup.
4563         (move_scops): Fix comment.
4564
4565 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4566
4567         * graphite.c (build_scop_bbs): Revert commit 139355:
4568
4569         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4570                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4571
4572                 * graphite.c (build_scop_bbs): Factor up code.
4573
4574 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4575
4576         * graphite.c (gloog): Update dominator info.
4577
4578 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4579
4580         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4581
4582 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4583
4584         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4585         initialization.
4586         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4587         (translate_clast): Correct formatting.
4588         * graphite.h (struct num_map): Removed.
4589         (struct graphite_bb): Remove num_map field.
4590         (GBB_INDEX_TO_NUM_MAP): Removed.
4591
4592 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4593
4594         * graphite.c (build_access_matrix_with_af): Fix comments.
4595         (build_scop_data_accesses): Same.
4596
4597 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4598
4599         * graphite.c (build_scop_data_accesses): Don't construct
4600         access matrices.  Add a FIXME and an assert condition that
4601         should pass when the access matrices will be needed.
4602
4603 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4604
4605         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4606         really_constant_p.
4607         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4608         Moved close by free_graphite_bb.
4609         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4610         (new_scop): Move close by free_scop.
4611         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4612
4613 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4614
4615         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4616         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4617         instead of recursive call.
4618         (graphite_translate_clast_equation): New.
4619         (graphite_create_guard_cond_expr): New.
4620         (graphite_create_new_guard): New.
4621         (get_stack_index_from_iv): Removed.
4622         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4623         (get_true_edge_from_guard_bb): New.
4624         (translate_clast): Handle stmt_guard in clast.
4625         (get_construction_edge): Allow construction edge detection for
4626         a scope entry with multiple predecessors if one predecessor is
4627         the immediate dominator of scope entry.
4628         (can_generate_code_stmt): Enable code generation for clast_guard.
4629         (gloog): Use correct context loop.  Removed check for post dominators.
4630         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4631
4632 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4633
4634         * graphite.c (remove_dead_loops): Document better which
4635         loops are removed.
4636
4637 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4638
4639         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4640         and PPLINC.
4641         (graphite.o): Also depends on pointer-set.h.
4642
4643 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4644
4645         * graphite.c (scop_record_loop): Fix compile warning.
4646
4647 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4648             Sebastian Pop  <sebastian.pop@amd.com>
4649
4650         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4651
4652 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4653
4654         * graphite.c (build_graphite_bb): Initialize bb->aux to
4655         point to the graphite_bb_p.
4656         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4657         content of bb->aux.
4658         (add_bb_domains): Does not use the scop parameter.
4659         (graphite_transform_loops): Clean bb->aux at the end.
4660
4661 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4662             Sebastian Pop  <sebastian.pop@amd.com>
4663
4664         * testsuite/lib/target-supports.exp
4665         (check_effective_target_fgraphite): New.
4666
4667         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4668         check_effective_target_fgraphite returns false.
4669         Set dg-do-what-default to compile.
4670         (scan-graphite-dump-times): Removed.
4671         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4672
4673         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4674         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4675         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4676         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4677         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4678         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4679         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4680         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4681         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4682         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4683         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4684         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4685         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4686         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4687         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4688         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4689         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4690         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4691         * testsuite/gcc.dg/graphite/block-0.c: Same.
4692         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4693         * testsuite/gcc.dg/graphite/block-1.c: Same.
4694         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4695         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4696         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4697         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4698         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4699
4700 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4701
4702         * graphite.c: Fix some XXX comments.
4703         (build_scop_dynamic_schedules): Removed.
4704
4705 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4706
4707         * graphite.h (scop_max_loop_depth): Moved...
4708         * graphite.c (scop_max_loop_depth): ...here.
4709         (remove_all_edges_1): New.
4710         (remove_all_edges): Factored code.
4711         (remove_cond_exprs): Check only the last statement for
4712         a GIMPLE_COND expression.
4713
4714 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4715
4716         * graphite.c (scan_tree_for_params): Early return when the
4717         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4718         (find_scop_parameters): Factor out code.
4719         (graphite_trans_bb_strip_mine): Remove dead code.
4720
4721 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4722
4723         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4724         graphite_trans_bb_move_loop): Factor asserts.
4725         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4726         Do not call calculate_dominance_info and estimate_bb_frequencies.
4727
4728 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4729
4730         * graphite.c (create_loops_mapping, free_loops_mapping,
4731         create_loops_mapping_num, debug_loop_mapping_1,
4732         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4733         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4734         graphite_loops_mapping_add_child_num,
4735         graphite_loops_mapping_insert_child,
4736         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4737         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4738         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4739         create_num_from_index, get_num_from_index,
4740         swap_loop_mapped_depth): Removed.
4741         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4742         (free_scop): Do not call free_loops_mapping.
4743         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4744         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4745         get_loop_mapped_depth.
4746         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4747         (graphite_trans_bb_strip_mine): Same.
4748         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4749         (struct scop): Remove field loops_mapping.
4750
4751 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4752             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4753
4754         * graphite.c (scop_record_loop): Factor out one level of the
4755         condition by early return.
4756         (build_scop_loop_nests): Format following FSF coding style.
4757         (build_scop_dynamic_schedules): Factor out code.
4758         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4759
4760 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4761             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4762
4763         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4764         assignments that are not handled as simple operands for now.
4765
4766 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4767             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4768
4769         * graphite.c (build_scop_bbs): Factor up code.
4770
4771 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4772             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4773
4774         * graphite.c (stmt_simple_for_scop_p): Factor code out
4775         of the loop.
4776         (enum gbb_type): New.  Group all the GBB_* types under it.
4777         (is_loop_exit): Moved...
4778         (end_scop): Enable BB spliting.
4779         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4780         * cfgloop.h (is_loop_exit): Declared.
4781
4782 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4783
4784         * doc/invoke.texi: Remove strides from examples containing
4785         DO loops when the strides are equal to 1.
4786
4787 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4788             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4789
4790         * graphite.c (graphite_trans_scop_block): Or the result with
4791         the result from graphite_trans_loop_block.
4792         * testsuite/gcc.dg/graphite/block-1.c: New.
4793         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4794         * testsuite/gfortran.dg/graphite/block-2.f: New.
4795
4796 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4797
4798         * graphite.c (graphite_transform_loops): Call cloog_initialize
4799         and cloog_finalize.
4800
4801 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4802
4803         * tree-data-ref.c) (stmt_simple_memref_p): New.
4804         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4805         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4806         (is_simple_operand): Call stmt_simple_memref_p.
4807
4808         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4809         using pointer arithmetic, as this is optimized by PRE and
4810         makes the code too difficult to analyze.
4811
4812         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4813
4814 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4815
4816         * gdbinit.in (pgg): New.
4817
4818 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4819
4820         * graphite.c (graphite_trans_loop_block): Fix warning.
4821
4822 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4823
4824         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4825
4826 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4827
4828         * graphite.c (graphite_trans_bb_block): Remove check for
4829         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4830         Check if loop blocking is profitable for every loop, before applying
4831         the changes.
4832         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4833         if flag_loop_block is set.
4834
4835 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4836
4837         * graphite.c: Add some more documentation for the loop
4838         mapping.
4839
4840 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4841
4842         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4843         * graphite.c: Format on less than 80 columns.
4844         * graphite.h: Same.
4845
4846 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4847
4848         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4849
4850 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4851
4852         * doc/invoke.texi (floop-block, floop-strip-mine,
4853         floop-interchange): Update documentation with examples.
4854
4855 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4856
4857         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4858         add_referenced_var.
4859         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4860
4861 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4862
4863         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4864         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4865         * tree-scalar-evolution.c: Revert useless changes.
4866         * tree-phinodes.c: Same.
4867         * cfghooks.c: Same.
4868         * vec.h: Same.
4869         * tree-vectorizer.h: Same.
4870         * tree-flow.h: Same.
4871         * tree-cfg.c: Same.
4872         * common.opt (fgraphite): Update documentation.
4873
4874 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4875
4876         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4877         -floop-interchange): Add more text for explaining what each of these
4878         flags is doing.
4879         * tree-into-ssa.c (gimple_vec): Moved to...
4880         * graphite.c: Include gimple.h.
4881         (gimple_vec): Moved to...
4882         (del_loop_to_cloog_loop): Removed.
4883         (loop_affine_expr): Do not call create_data_ref when the
4884         operand is a constant.
4885         (new_scop): Use free instead of del_loop_to_cloog_loop.
4886         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4887         * gimple.h (gimple_vec): ... here.
4888
4889 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4890
4891         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4892         latch executions.
4893         (build_loop_iteration_domains): Fail, if latch executions unknown.
4894
4895 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4896
4897         * graphite.c (add_conditions_to_domain): New.
4898         (build_scop_conditions_1): Call add_conditions_to_domain.
4899         (set_cloog_options): Allow to disable optimizations.
4900
4901 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4902
4903         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4904         Do not use walk_dominator_tree.
4905         (find_scop_parameters): Do not use walk_dominator_tree.
4906
4907 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4908
4909         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4910         (idx_record_params): Adapt.
4911         * graphite.h (scop_gimple_loop_depth): New.
4912
4913 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4914
4915         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4916         (scan_tree_for_params): Remove value_init.
4917         (build_scop_context): Remove value_init.
4918         (build_loop_iteration_domains): Remove value_init.
4919         (schedule_to_scattering): Remove value_init.
4920         (graphite_trans_bb_strip_mine): Remove value_init.
4921
4922 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4923
4924         * gcc/graphite.c (limit_scops): New.
4925         (graphite_transform_loops): Add limit SCoPs.
4926         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4927         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4928         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4929         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4930         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4931         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4932         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4933         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4934         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4935         Change loop numbers.
4936         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4937         Change loop numbers.
4938         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4939         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4940         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4941         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4942         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4943         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4944         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4945         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4946         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4947         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4948
4949 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4950
4951         * graphite.c (graphite_transform_loops): Call always find_transform.
4952
4953 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4954
4955         * graphite.c (free_loops_mapping): New.
4956         (stmt_simple_for_scop_p): Fix typo.
4957         (stmt_simple_for_scop_p): Fix tuples functions, that
4958         broke polyhedron.
4959         (free_graphite_bb): Fix some memleaks.
4960         (free_scop): Fix some memleaks.
4961         (scopdet_bb_info): Do not forget some tmp SCoPs.
4962         (find_params_in_bb): Fix some memleaks.
4963         (clast_to_gcc_expression): Fix warning.
4964
4965 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4966
4967         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4968         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4969
4970 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4971
4972         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4973         Move code ifdef-ed HAVE_cloog...
4974         * graphite.c: Include toplev.h.
4975         ... here.
4976         * Makefile.in (OBJS-common): Always build graphite.o.
4977         (BACKEND): Remove @GRAPHITE@.
4978         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4979         (graphite.o): Depend on TOPLEV_H.
4980
4981 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4982
4983         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4984         Remove typo left from polylib to ppl conversion.
4985         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4986
4987 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4988
4989         * toplev.c (process_options): Move the graphite loop optimization
4990         flags...
4991         * tree-ssa-loop.c (graphite_transforms): ... here.
4992         When not configured with CLooG, print to dump_file that
4993         Graphite transforms were not performed.
4994         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4995         New.
4996         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4997         scan-graphite-dump-times.
4998
4999 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5000
5001         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5002         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5003
5004 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5005             Jan Sjodin  <jan.sjodin@amd.com>
5006
5007         * configure: Regenerated.
5008         * omp-low.c (expand_omp_sections): Remove now unused code.
5009         * config.in (HAVE_polylib): Removed.
5010         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5011         (PPLLIBS, PPLINC): Added.
5012         * graphite.c: Replace unsigned with int wherever possible.
5013         Don't access Cloog's data structures, but use accessor functions.
5014         Clast's stmt->type is now implemented as a vtable: change the
5015         switches of stmt->type into ifs.
5016         (polylib/polylibgmp.h): Don't include.
5017         (initialize_dependence_polyhedron,
5018         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5019         statement_precedes_p, test_dependence, build_rdg_all_levels,
5020         dump_dependence_graph): Removed until this code is cleaned up
5021         or ported to Cloog.
5022         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5023         (POLYLIBINC): Renamed PPLINC.
5024
5025 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5026             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5027             Jan Sjodin  <jan.sjodin@amd.com>
5028
5029         Finish the merge and tuplification of graphite.
5030
5031 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5032             Jan Sjodin  <jan.sjodin@amd.com>
5033
5034         Partial merge from mainline (138072:138275).
5035         * graphite.c still has to be tuplified.
5036
5037 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5038
5039         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5040         (create_num_from_index): New.
5041         (get_num_from_index): Also pass in the graphite BB.
5042         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5043         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5044         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5045         (is_interchange_valid): Return false when failing.
5046         * graphite.h (struct num_map): New.
5047         (struct graphite_bb): New field num_map.
5048         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5049
5050 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5051
5052         * graphite.c (dump_gbb_conditions): Print also conditions like
5053         "if (a)".  Remove dublicated code and use print_generic_expr ().
5054         (stmt_simple_for_scop_p): Only allow conditions we can handle
5055         {<, <=, >, >=}.
5056
5057 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5058
5059         * graphite.h (struct scop): Removed new_ivs field.
5060         (SCOP_NEWIVS): Deleted.
5061         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5062         clast_to_gcc_expression, graphite_create_new_loop):
5063         Removed use of new_ivs.
5064
5065 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5066
5067         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5068         create_loops_mapping_num, debug_loop_mapping_1): New.
5069         (debug_loop_mapping): Call debug_loop_mapping_1.
5070         (get_loop_mapping_for_num,
5071         graphite_loops_mapping_add_child,
5072         graphite_loops_mapping_add_child_num,
5073         graphite_loops_mapping_insert_child,
5074         graphite_loops_mapping_parent,
5075         split_loop_mapped_depth_for_num,
5076         loop_mapped_depth_split_loop): New.
5077         (increment_loop_mapped_depths): Removed.
5078         (swap_loop_mapped_depth_for_num): Reimplemented.
5079         (new_scop): Call create_loops_mapping.
5080         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5081         (translate_clast): Pass the old loop father in parameter, and pass
5082         it to get_old_iv_from_ssa_name.
5083         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5084         can_generate_code, can_generate_for_scop): New.
5085         (graphite_trans_bb_block): Returns false when it fails to transform.
5086         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5087
5088 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5089
5090         Reverted all the changes related to the streamization and
5091         loop fusion.
5092         These changes are now tracked in the streamization branch.
5093
5094 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5095             Jan Sjodin  <jan.sjodin@amd.com>
5096
5097         * graphite.c (gbb_compare): Correctly constify.
5098         (gbb_can_be_ignored): Indent.
5099         (graphite_trans_scop_swap_1and2): Add legality check.
5100         Remove dead FIXMEs.
5101
5102 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5103
5104         Remove fallouts from "Reverted the Condate changes".
5105         * tree.h: Remove unused decl.
5106         * testsuite/gcc.dg/tree-checker: Same.
5107         * timevar.def: Remove counter.
5108
5109 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5110
5111         * Merge from mainline (135673:138072).
5112
5113         Reverted the MIRO changes (from 2008-04-05) that are now
5114         tracked in the miro branch.
5115         * tree-bounds.c: Removed.
5116         * tree-bounds.h: Removed.
5117
5118         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5119         are now tracked in the condate branch.
5120         * tree-check.c: Removed.
5121         * tree-match.c: Removed.
5122         * condate.y: Removed.
5123
5124 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5125
5126         * common.opt: New user flag -floop-block, -floop-strip-mine
5127         and -floop-interchange.
5128         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5129         graphite loop optimization flags is turned on.
5130         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5131         flag_loop_strip_mine and flag_loop_interchange checks before
5132         optimizations.
5133         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5134         -floop-strip-mine and -floop-interchange.
5135         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5136         -fgraphite.
5137         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5138         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5139         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5140
5141 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5142             Sebastian Pop  <sebastian.pop@amd.com>
5143
5144         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5145         (create_empty_loop_on_edge): More fixes.
5146         * tree-phinodes.c (resize_phi_node): Extern.
5147         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5148         * cfghooks.c (update_dominator_information): New split from
5149         split_edge.
5150         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5151         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5152         successor of the function entry block.
5153
5154         * graphite.c: Include pointer-set.h.
5155         (debug_loop_mapping, increment_loop_mapped_depths,
5156         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5157         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5158         swap_loop_mapped_depth_for_num, get_num_from_index,
5159         swap_loop_mapped_depth, loop_iv_stack_debug,
5160         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5161         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5162         get_old_iv_from_ssa_name): New.
5163         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5164         (free_scop): Free SCOP_LOOPS_MAPPING.
5165         (scop_record_loop): Record old ivs.
5166         (create_var_name): Removed.
5167         (initialize_cloog_names): Allocate double space in case strip mine
5168         applies to all loops once.
5169         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5170         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5171         translation.
5172         (graphite_create_new_loop): Pass in ivstack.
5173         (remove_all_edges): Pass in the construction_edge.
5174         (graphite_remove_iv): Removed.
5175         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5176         remove_cond_exprs): Rewritten.
5177         (move_phi_nodes): New.
5178         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5179         (translate_clast): Pass in ivstack.  Rewrite some cases.
5180         (set_cloog_options, debug_clast_stmt): New.
5181         (find_transform): Use set_cloog_options.
5182         (outermost_loop_layer): Removed.
5183         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5184         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5185         mark_old_loops, remove_dead_loops): New.
5186         (gloog): Rewritten.
5187         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5188         (const_column_index, get_first_matching_sign_row_index,
5189         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5190         get_upper_bound): New.
5191         (graphite_trans_bb_strip_mine): Also update the iv map.
5192
5193         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5194         (struct name_tree): Add a loop field.
5195         (struct scop): Add a graphite_loops_mapping field.
5196         (SCOP_LOOPS_MAPPING): New.
5197         (debug_clast_stmt): Declare.
5198         * lambda.h (find_induction_var_from_exit_cond): Declare.
5199         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5200         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5201         (create_empty_loop_on_edge): Updated.
5202         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5203         rename_variables_in_bb): Declare.
5204         * tree-cfg.c (remove_bb): Extern.
5205
5206         * testsuite/gcc.dg/graphite/block-0.c: New.
5207
5208 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5209             Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * graphite.c (strip_mine_profitable_p): New.
5212         (graphite_trans_bb_block): Disable strip mining if not profitable.
5213
5214         * testsuite/gcc.dg/graphite/scop-18.c: New.
5215         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5216         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5217
5218 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5219             Jan Sjodin  <jan.sjodin@amd.com>
5220             Sebastian Pop  <sebastian.pop@amd.com>
5221
5222         * graphite.c (is_interchange_valid): New.
5223         (graphite_trans_bb_block): Check loop nest of basic block for legality
5224         of interchange.
5225
5226         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5227         outer_most_loop, gbb_outer_most_loop_index): New.
5228
5229         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5230         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5231         * testsuite/gcc.dg/graphite/scop-16.c: New.
5232         * testsuite/gcc.dg/graphite/scop-17.c: New.
5233
5234 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5235
5236         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5237         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5238
5239 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5240
5241         * graphite.c (new_scop): Initialize SCOP_EXIT.
5242         (scopdet_info): Add.
5243         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5244         (build_scops_1): Cleanup, bugfixes.
5245         (build_scops): Cleanup.
5246
5247         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5248         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5249
5250 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5251
5252         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5253
5254         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5255         DEFAULT_GRAPHITE_FLAGS.
5256
5257         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5258
5259 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5260
5261         * graphite.c (scan_tree_for_params): Do not assert any more if
5262         MULT_EXPR parameter is negative.
5263
5264         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5265
5266         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5267
5268         * testsuite/gcc.dg/graphite/scop-15.c: New.
5269
5270 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5271
5272         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5273
5274 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5275
5276         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5277         graphite_swap_loops.
5278         (graphite_trans_bb_move_loop): New.
5279         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5280         (graphite_trans_bb_block): New.
5281         (graphite_trans_loop_block): New.
5282         (graphite_trans_scop_swap_1and2): Rename from
5283         graphite_trans_swap_1and2.
5284         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5285         (graphite_trans_scop_block): New.
5286         (graphite_apply_transformations): Rename from
5287         graphite_transformations.
5288
5289         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5290
5291 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5292
5293         * graphite.c (gbb_compare): New.
5294         (graphite_sort_gbbs): New.
5295         (gbb_can_be_ignored): New.
5296         (scop_remove_ignoreable_gbbs): New.
5297         (graphite_transformations): Cleanup and add
5298         scop_remove_ignoreable_gbbs.
5299         * lambda.h (lambda_vector_compare): New.
5300
5301 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5302
5303         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5304         (graphite_swap_loops): int -> unsigned
5305         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5306         (graphite_transformations): New.
5307         (graphite_transform_loops): Move to graphite_transformations.
5308         * graphite.h (gbb_nb_loops): Return unsigned.
5309
5310 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5311
5312         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5313         the domain matrix.  This makes scop-0.c work again.
5314
5315 2008-06-20  Richard Guenther  <rguenther@suse.de>
5316
5317         * graphite.h: Adjust copyright to GPLv3.
5318         * graphite.c: Likewise.
5319         (stmt_simple_memref_for_scop_p): Split out from ...
5320         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5321         and simplify.
5322         (get_bb_type): Optimize.
5323         (is_pred): Remove.
5324         (is_bb_addable): Fix memleak, replace is_pred call with
5325         single_pred.
5326         (build_scops): Use current_loops.
5327         (param_index): Fix memleak.
5328
5329 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5330
5331         * graphite.c: Fix formatting.
5332
5333 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5334
5335         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5336         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5337         (create_var_name, save_var_name): Newly defined functions.
5338         (initialize_cloog_names): Part of the code factored out to
5339         save_var_name.
5340         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5341         in clast_reduction statement.
5342         (graphite_create_new_loop): Now takes a new parameter
5343         for outer_loop.
5344         (translate_clast): Now also takes the context_loop and bb_exit
5345         parameters. Rewritten the code so that it creates a gimple code
5346         inside the given context.
5347         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5348         remove_cond_expr, disconnect_cond_expr,
5349         disconnect_virtual_phi_nodes): Newly defined functions.
5350         * graphite.h (struct scop): added old_ivs vector.
5351         SCOP_OLDIVS: New macro.
5352
5353 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5354
5355         * cfgloopmanip.c: Add missing function comments, fix formatting.
5356
5357 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5358
5359         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5360         (create_empty_loop_on_edge): Defined.
5361         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5362         instead of void.
5363         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5364         (update_dominators_in_loop): Declared as extern
5365         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5366
5367 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5368
5369         * graphite.c (print_graphite_bb): Allow changing number of loops
5370         in SCoP domain.
5371         (initialize_cloog_names): Allow changing number of loops.
5372         (build_cloog_prog): Simplify.
5373         (find_transform): Enable cloog option --strides.
5374         (graphite_swap_loops): New.
5375         (graphite_strip_mine_loop): New.
5376         (graphite_trans_swap_1and2): New.
5377         (graphite_trans_strip): New.
5378         (graphite_transform_loops): Add graphite_trans_strip.
5379         * graphite.h (scop_max_loop_depth): New.
5380
5381 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5382
5383         * graphite.c (build_scop_iteration_domain): Remove forgotten
5384         line. (Fixes compile)
5385
5386 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5387
5388         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5389         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5390         (build_bb_loops): New.
5391         (graphite_transform_loops): Add build_bb_loops.
5392         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5393         numbers.
5394         * graphite.h (graphite_bb): Add loops.
5395         (gbb_nb_loops): New.
5396         (gbb_loop_at_index): New.
5397         (gbb_loop_index): New.
5398         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5399         using nb_params_in_scop.
5400
5401 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5402
5403         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5404         (build_scop_canonical_schedules): Build minimized schedule.
5405         (schedule_to_scattering): Adapt to minimized schedule.
5406         * graphite.h (graphite_bb): Add/Update descriptions.
5407
5408 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5409             Tobias Grosser  <grosser@fim.uni-passau.de>
5410
5411         * graphite.c (print_graphite_bb): Add condition printing.
5412         (dump_value): New.
5413         (dump_gbb_conditions): New.
5414         (build_scop_conditions_1): New.
5415         (build_scop_conditions): New.
5416         * graphite.h (graphite_bb): Add conditions.
5417
5418 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5419
5420         * graphite.c (print_graphite_bb):
5421         (free_graphite_bb): New.
5422         (free_scop): Free bbs.
5423         (get_bb_type): Free doms.
5424         (build_scop_context): Free context matrix.
5425         (build_loop_iteration_domains): Remove unused code.
5426         (build_cloog_prog): Free scattering function and blocklist.
5427         (find_transform): Free options.
5428
5429 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5430
5431         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5432         Remove unnecessery cloog data structures. Make a copy of the domain
5433         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5434         unnecessary cloog data structures. Fix memory leaks. Remove insert
5435         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5436         used.
5437         (build_scop_iteration_domain): Remove unnecessary cloog
5438         data structures.  Fix memory leaks.
5439         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5440         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5441
5442 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5443
5444         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5445
5446 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5447
5448         * graphite.c (end_scop): Style fix.
5449         (schedule_to_scattering): Style and comment fix.
5450
5451 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5452         * graphite.c (print_graphite_bb): Fix definiton of
5453         schedule_to_scattering.
5454         (initialize_cloog_names): Change nb_scattdims to max loop
5455         depth in SCoP.
5456         (schedule_to_scattering): Take parameter for number of scattering
5457         dimensions.
5458         (build_cloog_prog): Only build as much scattering dimensions as
5459         necessary.
5460
5461 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5462
5463         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5464         in polyhedron/aermod.f90.
5465
5466 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5467             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5468             Harsha Jagasia  <harsha.jagasia@amd.com>
5469
5470         * graphite.c (is_bb_addable): Fix segfault.
5471
5472 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5473
5474         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5475         with multiple exits and conditional handling in edge cases.
5476         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5477
5478         * testsuite/gcc.dg/graphite/scop-14.c: New.
5479
5480 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5481             Adrien Eliche  <aeliche@isty.uvsq.fr>
5482
5483         * graphite.c (is_bb_addable): Add more comments and enhance
5484         readablity of the source code. Fix memory leak.
5485         (is_loop_exit): Fix memory leak.
5486
5487 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5488
5489         * graphite.c (first_loop_in_scop): Deleted.
5490         (setup_cloog_loop): Only walk the loop chain for inner loops.
5491         (build_scop_iteration_domain): Execute setup_cloog_loop for
5492         all loops in the first layer.
5493
5494 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * graphite.c (scan_tree_for_params): Change the way params are
5497         added to be indepenent of the number of loops.
5498         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5499         handling.
5500         (build_cloog_prog): Revert to short matrix format.
5501
5502 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5503             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5504
5505         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5506         warning.
5507
5508 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5509
5510         * graphite.c (nb_data_refs_in_scop): New.
5511         (graphite_transform_loops): Print more stats: number of
5512         loops, basic blocks and data references per scop.
5513
5514 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5515             Jan Sjodin  <jan.sjodin@amd.com>
5516
5517         * graphite.c (loop_affine_expr, idx_record_params,
5518         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5519         instead of instantiate_parameters.
5520
5521 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5522
5523         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5524         add support for parameters, add STATIC_SCHEDULE at the right places,
5525         cleanup.
5526
5527 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5528
5529         * graphite.c (build_scop_loop_nests): Only add the loops, that
5530         are contained completely in the SCoP.
5531         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5532         and the domains are fixed.
5533         (build_scop_canonical_schedules): Add support for bbs not contained
5534         in any SCoP.
5535
5536 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5537
5538         * graphite.h (scop_contains_loop): Update comments to match
5539         the actual behavior.
5540         (scop_contains_loop): New.
5541         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5542
5543 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5544
5545         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5546         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5547         as GBB_COND_HEADER.
5548
5549 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5550             Tobias Grosser  <grosser@fim.uni-passau.de>
5551
5552         * graphite.c (graphite_transform_loops): Early return when
5553         there are no loops in the function.
5554
5555 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5556             Jan Sjodin  <jan.sjodin@amd.com>
5557
5558         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5559         offset of the last loop.
5560         (setup_cloog_loop): Copy the entire outer constraint matrix.
5561
5562 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5563             Jan Sjodin  <jan.sjodin@amd.com>
5564
5565         * graphite.c (stmt_in_scop_p, function_parameter_p,
5566         invariant_in_scop_p): Removed.
5567         (scan_tree_for_params): Can be used with no constraint
5568         matrix for gathering parameters.
5569         (idx_record_params): Don't use idx_record_param, instead use
5570         scan_tree_for_params.
5571         (find_scop_parameters): Same.
5572         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5573         Fix the size of loop domains.
5574         (schedule_to_scattering): Exit when the outer loop is not in scop.
5575         (find_transform): Enable build_cloog_prog.
5576
5577 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5578             Jan Sjodin  <jan.sjodin@amd.com>
5579
5580         * graphite.c (schedule_to_scattering): Make scattering domains
5581         uniformly of the same size, as required by CLooG 0.14.0 and before.
5582
5583 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5584             Jan Sjodin  <jan.sjodin@amd.com>
5585
5586         * graphite.c (schedule_to_scattering): Rewrite, correct the
5587         translation of the scheduling function to scattering.
5588         (build_cloog_prog): Call schedule_to_scattering only once.
5589         * graphite.h (scop_loop_index): Do not fail for loops not
5590         in the scop: return -1.
5591
5592 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5593
5594         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5595         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5596         (setup_cloog_loop): Export GBB_DOMAIN.
5597         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5598         able to rebuild the original control flow.
5599         * graphite.h (graphite_bb): Add domain field and access macro.
5600         (GBB_DOMAIN): New.
5601
5602 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5603
5604         * graphite.c (debug_gbb): New.
5605         (print_scop, build_graphite_bb): Use SCOP_BBS.
5606         (build_scop_bbs): Reimplemented.
5607         (dfs_bb_in_scop_p): Removed.
5608         (build_scop_loop_nests): Reorder loops inserted in
5609         SCOP_LOOP_NEST: outer loops should come first.
5610         (build_scop_canonical_schedules): Reinitialize at zero
5611         the components of the SCOP_STATIC_SCHEDULE for the loops
5612         that have already been parsed.
5613
5614         * graphite.h (debug_gbb): Declared.
5615
5616 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5617             Jan Sjodin  <jan.sjodin@amd.com>
5618
5619         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5620         (graphite_loop_to_gcc_loop): Removed.
5621         (remove_all_edges): New.
5622         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5623         (gloog): Remove useless code.
5624
5625 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5626
5627         * graphite.c (get_bb_type): Reworked. We distinguish between
5628         loops with one or multiple exits.
5629         (is_loop_exit): New.
5630         (is_pred): New.
5631         (is_bb_addable): Rework condition handling, now support for case
5632         case statements and loops with multiple exits.
5633
5634         * testsuite/gcc.dg/graphite/scop-11.c: New.
5635         * testsuite/gcc.dg/graphite/scop-12.c: New.
5636         * testsuite/gcc.dg/graphite/scop-13.c: New.
5637
5638 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5639
5640         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5641         we have too many colors.
5642
5643 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5644
5645         * doc/invoke.texi (-ftree-loop-fusion): Document.
5646         * tree-pass.h (pass_loop_fusion): Declared.
5647         * tree-loop-fusion.c: New.
5648         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5649         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5650         * tree-data-ref.h (find_data_references_in_loop): Declared.
5651         * common.opt (ftree-loop-fusion): Declared.
5652         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5653
5654 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5655
5656         * graphite.c (build_access_matrix): Fix typo from the merge.
5657
5658 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5659
5660         * Merge from mainline (130800:135673).
5661
5662 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5663
5664         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5665         Update dominators after splitting.
5666
5667 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5668
5669         * graphite.c (is_bb_addable): Return the harmful statement.
5670         Factor up some code.
5671         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5672         (build_scops_1): Call end_scop.
5673
5674 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5675
5676         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5677         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5678         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5679         build_scops_1): Removed.
5680         (build_scops_2): Renamed build_scops_1.
5681
5682 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * graphite.c: Fix formatting.
5685
5686 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5687
5688         * graphite.c (get_bb_type): New.
5689         (move_scops): New.
5690         (build_scops_2): New.
5691         (is_bb_addable): New.
5692         (build_scops): Switch the scop detection.
5693         (build_scop_bbs): Add entry bb to scop.
5694         * graphite.h (struct scop): Update comment.
5695
5696 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5697
5698         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5699         more colors.
5700
5701 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5702
5703         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5704         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5705         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5706         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5707         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5708
5709 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5710
5711         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5712         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5713         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5714         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5715         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5716
5717 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5718
5719         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5720         Check affine expressions depending on the outermost loop
5721         instead of a scop.
5722         (stmt_simple_for_scop_p): Same.
5723         (harmfule_stmt_in_scop): Same.
5724
5725 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5726
5727         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5728         mark entry and exit, that are not part of the SCoP and update HTML
5729         formatting.
5730
5731 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5732
5733         * graphite.c (basic_block_simple_for_scop_p): Renamed
5734         harmful_stmt_in_bb.
5735         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5736         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5737         (all_preds_visited_p, all_succs_visited_p,
5738         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5739         scop_end_loop): New.
5740         (build_scops): Do not use dfs_enumerate_from.
5741
5742         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5743
5744 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5745
5746         * graphite.c: Add comments to functions that are missing a
5747         description.
5748         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5749
5750 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5751
5752         * graphite.c (nb_params_in_scop): Moved...
5753         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5754         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5755         (clast_to_gcc_expression): Reduce column size to less than 80.
5756         (graphite_create_iv): Return the new name of the IV.
5757         (find_transform): Set options->esp and options->cpp.
5758         (gloog): Comment out the invalidation of the old loop code.
5759         (initialize_dependence_polyhedron): Replace scop_nb_params with
5760         nb_params_in_scop.
5761
5762         * graphite.h (nb_params_in_scop): ... here.
5763         (scop_nb_params): Removed.
5764         (loop_domain_dim): Return something even when the loop was not
5765         found in the hash table: avoid ICEing on all the graphite.exp
5766         testcases.
5767
5768 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5769
5770         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5771
5772         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5773         according to nesting level.
5774         (find_scop_parameters): Call instantiate_parameters.
5775         (scan_tree_for_params): Extend it to handle general affine bounds.
5776         Inner loop bound can depend on outer loop induction variable.
5777         (setup_cloog_loop): tmp variable is allocated on stack. Call
5778         instantiate_parameters with respect to outermost_loop_in_scop.
5779         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5780         graphite.h.
5781         (create_empty_loop): Function loopify should be given edge
5782         probability, instead of edge frequency. Dominance relation from
5783         switch_bb to loop_header.
5784         (clast_to_gcc_expression): Added handling of clast_reduction node.
5785         (gloog): New functionality for removing old loop.
5786         (test_dependence): Factored out from build_rdg_all_levels.
5787         (build_rdg_all_levels): Dependence testing factored out to
5788         test_dependence function.
5789
5790         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5791         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5792         from graphite.c
5793
5794 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5795
5796         * graphite.c (free_scop, param_index, initialize_cloog_names,
5797         nb_params_in_scop): Use name_tree map instead of just a tree
5798         for keeping track of the variable name associated to that tree.
5799         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5800         clast_to_gcc_expression, graphite_create_iv,
5801         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5802         graphite_stmt_to_gcc_stmt): New.
5803         (gloog): Call these.
5804         * graphite.h (struct name_tree): New.
5805         (struct scop): Use name_tree instead of tree for params.
5806         Store a vector of name_tree for new_ivs.
5807         (SCOP_NEWIVS): New.
5808         (scop_nb_params): Use name_tree instead of tree.
5809
5810 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5811             Sebastian Pop  <sebastian.pop@amd.com>
5812
5813         * tree-bounds.c: New.
5814         * tree-bounds.h: New.
5815         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5816         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5817         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5818         flag_mudflap.
5819         * gcc.c: Same.
5820         * toplev.c: Same.
5821         * c-cppbuiltin.c: Same.
5822         * c-pragma.c: Same.
5823         * common.opt: Same.
5824         * varasm.c: Same.
5825         * tree-outof-ssa.c: Same.
5826         * c-common.c: Same.
5827         * Makefile.in: Same.
5828
5829 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5830             Sebastian Pop  <sebastian.pop@amd.com>
5831
5832         * tree-loop-distribution.c (remaining_stmts,
5833         upstream_mem_writes): Removed static variables.
5834         (copy_loop_before, create_bb_after_loop,
5835         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5836         rdg_build_components, rdg_build_partitions,
5837         dump_rdg_partitions): Extern.
5838         (generate_loops_for_partition, generate_code_for_partition): Do not
5839         return a bool.
5840         (already_processed_vertex_p, predecessor_has_mem_write,
5841         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5842         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5843         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5844         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5845         Pass remaining_stmts and upstream_mem_writes as parameters.
5846         (rdg_component): Moved...
5847         (build_rdg_partition_for_component): Do not aggregate components when
5848         flag_streamize_loops is set.
5849         (gen_sequential_loops): New.
5850         (ldist_gen): Call gen_sequential_loops.
5851
5852         * tree-pass.h (pass_loop_streamization): Declared.
5853
5854         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5855         basic blocks when loops structures exist.
5856
5857         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5858
5859         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5860
5861         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5862         eliminate_local_variables_stmt, eliminate_local_variables,
5863         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5864         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5865         of code delimited by two edges in the CFG.
5866         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5867         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5868         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5869         the case of parallelisation of reductions.
5870         (create_loop_fn): Extern.
5871         (create_omp_parallel_region): New.
5872
5873         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5874         dump_data_reference for printing dra and drb.
5875         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5876         RDGE_RELATION.
5877         (build_rdg): Don't call free_dependence_relations for the moment, as
5878         we attach dependence relations on each edge of the RDG.
5879         To be fixed later.
5880
5881         * tree-data-ref.h (rdg_component): ...here.
5882         (struct rdg_edge): New field ddr_p relation.
5883         (RDGE_RELATION): New.
5884         (create_bb_after_loop, copy_loop_before,
5885         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5886         rdg_build_partitions, dump_rdg_partitions,
5887         free_rdg_components): Declared.
5888
5889         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5890         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5891
5892         * tree-loop-streamization.c: New.
5893
5894         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5895         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5896
5897         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5898
5899         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5900
5901         * passes.c: Schedule pass_loop_streamization.
5902
5903 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5904
5905         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5906         update comment.
5907
5908 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5909
5910         * graphite.c (dot_all_scops): Update formatting.
5911         Bbs can now be part of more than one SCoP.
5912
5913 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5914
5915         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5916         malloc problems.
5917         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5918         * graphite.h (loop_to_cloog_loop): New.
5919
5920 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5921
5922         * graphite.c (loop_domain_dim, ref_nb_loops,
5923         loop_iteration_vector_dim): New.
5924         (build_access_matrix_with_af, build_access_matrix,
5925         initialize_dependence_polyhedron): Fixed for new matrix layout.
5926         No longer assume that all iteration domains are of the same
5927         dimensionality.
5928
5929 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5930
5931         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5932         defined in a loop at depth 0 is invariant.
5933         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5934         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5935         be called at loop depth 0.
5936
5937         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5938         a parameter.
5939         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5940         (down_open_scop): Removed.
5941         (loop_in_scop_p): Redefined.
5942         (scop_affine_expr): New argument: scop.
5943         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5944         a harmful statement ending a scop.
5945         (basic_block_simple_for_scop_p): New argument: scop.
5946         (get_loop_start): Removed.
5947         (new_scop): Initialize SCOP_LOOPS.
5948         (free_scop): Free SCOP_LOOPS.
5949         (succs_at_same_depth, preds_at_same_depth): New.
5950         (end_scop): Test the validity of a scop.
5951         (add_dominators_to_open_scops): New.
5952         (test_for_scop_bound): Call add_dominators_to_open_scops.
5953         Add cases for opening and closing multiple scops.
5954         (build_scops, build_scop_bbs): Iterate over basic blocks in
5955         depth first order.
5956         (build_graphite_bb): Pass scop directly.
5957         (dfs_bb_in_scop_p): New.
5958         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5959         several times.
5960         (nb_loops_around_gb): Use loop_in_scop_p.
5961         (schedule_to_scattering): Disabled for the moment the code computing
5962         the "textual order for outer loop".
5963
5964         * graphite.h (struct scop): New field loops.
5965         (SCOP_LOOPS): New.
5966         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5967
5968         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5969
5970 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5971             Sebastian Pop  <sebastian.pop@amd.com>
5972
5973         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5974         * common.opt (fstreamize-loops): New.
5975         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5976         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5977         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5978         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5979
5980 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5981
5982         * tree-data-ref.c (build_empty_rdg): New.
5983         (build_rdg): Use it.
5984         * tree-data-ref.h (build_empty_rdg): Declared.
5985         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5986         (find_vertex_for_stmt): Removed.
5987         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5988
5989 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5990
5991         * tree-loop-distribution.c (generate_builtin): After cancelling the
5992         loop tree, also delete basic blocks.
5993         (rdg_flag_uses): Stop recursion when a vertex has already been
5994         processed.
5995
5996 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5997
5998         * graphite.c (build_scop_alpha): Removed.
5999         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6000         and dump_dependence_graph to avoid compiler warnings.
6001
6002 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6003
6004         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6005         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6006         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6007         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6008         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6009         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6010         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6011         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6012         dump_dependence_graph): New.
6013         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6014         (GBB_ALPHA): New.
6015         (struct scop): New field loop2cloog_loop.
6016         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6017         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6018
6019 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6020
6021         * graphite.c (build_graphite_bb): Fix initialization
6022         of the graphite basic block.
6023
6024 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6025
6026         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6027         loop domain matrix.  Pass in the number of loops contained in the
6028         constraint matrix.
6029         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6030         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6031         loops that are not surrounding the current loop are not represented
6032         in the domain constraint matrix.
6033         (build_scop_iteration_domain): Initial domain constraint matrix
6034         contains only the eq/ineq, cst, and scop parameters columns.
6035
6036 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6037
6038         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6039         (print_graphite_bb): Print scattering.
6040
6041 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6042
6043         * graphite.c (initialize_cloog_names): Initialize names of
6044         scattering variables.
6045
6046 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6047
6048         * graphite.c (dot_all_scops_1): Disable debug output while
6049         printing graph.
6050
6051 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6052
6053         * graphite.c (find_transform): Change cloog output language to C.
6054
6055 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6056
6057         * tree-loop-distribution.c (generate_memset_zero,
6058         generate_builtin, generate_code_for_partition,
6059         rdg_flag_all_uses): New.
6060         (rdg_flag_uses): Gather in the same partition the statements defining
6061         the VUSES of the current statement.
6062         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6063         Gather in the same partition not only the stores to the same memory
6064         access, but also the reads.
6065         (ldist_generate_loops): Renamed ldist_gen.
6066
6067 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6068             Tobias Grosser  <grosser@fmi.uni-passau.de>
6069
6070         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6071         next pointer, don't use the inner pointer.
6072
6073 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6074
6075         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6076         (find_transform): Call dot_all_1.
6077         * graphite.h (dot_all_scops): Declared.
6078
6079 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6080
6081         * tree-loop-distribution.c: Fix apsi.f ICE.
6082         (create_bb_after_loop): New.
6083         (generate_loops_for_partition): Use it.
6084         * testsuite/gfortran.dg/ldist-1.f90: New.
6085
6086         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6087         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6088
6089 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6090
6091         * graphite.c (find_transform): Dump cloog program sent to cloog.
6092
6093 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6094
6095         * graphite.c (initialize_cloog_names): Initialize cloog
6096         iterator names.
6097
6098 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6099
6100         * graphite.c (build_scop_context): Fix typo, for the matrix
6101         format: insert '0 >= 0' instead of '-1 >= 0'.
6102
6103 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6104
6105         * Fix merge problems.
6106
6107 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6108
6109         * graphite.c (setup_cloog_loop): Fix typo.
6110
6111 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6112
6113         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6114         * tree-loop-distribution.c: Reimplemented.
6115         * tree-pass.h (pass_loop_distribution): New.
6116         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6117         print_loops.
6118         * graphds.h (struct graph): New field indexes.
6119         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6120
6121         * tree-vect-analyze.c: Remove declaration of static functions when not
6122         needed.
6123         * tree-vectorizer.c: Same.
6124         (rename_variables_in_loop): Now extern.
6125         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6126         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6127         calling redirect_edge_and_branch_force.
6128
6129         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6130
6131         * tree-data-ref.c: Don't include tree-chrec.h.
6132         (debug_data_dependence_relations): New.
6133         (dump_data_dependence_relation): Call dump_data_reference on data refs
6134         in the relation.
6135         (same_access_functions): Moved...
6136         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6137         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6138         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6139         struct rdg_vertex_info, ): New.
6140         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6141         at DDR_REVERSED_P.
6142         (create_rdg_vertices): Initialize the htab of graph->indexes.
6143         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6144         (stmts_from_loop): Don't save LABEL_EXPR.
6145         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6146         hash_stmt_vertex_del): New.
6147         (build_rdg): Initialize rdg->indexes.
6148         (free_rdg, stores_from_loop, ref_base_address,
6149         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6150         have_similar_memory_accesses_1, ref_base_address_1,
6151         remove_similar_memory_refs): New.
6152
6153         * tree-data-ref.h: Include tree-chrec.h.
6154         (debug_data_dependence_relations): Declared.
6155         (same_access_functions): ...here.  Now static inline.
6156         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6157         ddr_dependence_level): New.
6158         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6159         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6160         RDG_MEM_READS_STMT): New.
6161         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6162         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6163         rdg_vertex_for_stmt): Declared.
6164         (struct rdg_edge): New field level.
6165         (RDGE_LEVEL, free_rdg): New.
6166         (stores_from_loop, remove_similar_memory_refs,
6167         rdg_defs_used_in_other_loops_p,
6168         have_similar_memory_accesses): Declared.
6169         (rdg_has_similar_memory_accesses): New.
6170
6171         * lambda.h (dependence_level): New.
6172         * common.opt (ftree-loop-distribution): New.
6173         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6174         (print_loop_ir): Renamed print_loops.
6175         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6176         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6177         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6178         (tree-loop-distribution.o): Added.
6179         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6180         (mark_virtual_ops_in_bb): New.
6181         (print_loops_bb, debug_loop_num, debug_loop): New.
6182         * passes.c: Scheduled pass_loop_distribution.
6183
6184 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6185
6186         * graphite.c (scan_tree_for_params): Correct the number of columns
6187         for polylib format.
6188         (nb_flat_iterator): New.
6189         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6190         (build_scop_iteration_domain): Correct the number of columns for
6191         polylib format.
6192
6193 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6194
6195         * Merge from mainline (129697:130800).
6196
6197 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6198
6199         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6200         dominated by SCoP's exit.
6201         (graphite_transform_loops): Compute post dominators.
6202
6203 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6204
6205         * Merge from mainline (127169:129697).
6206
6207 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6208
6209         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6210         parameter for the basic block that contains the expression.  Use
6211         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6212         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6213         the expression.
6214         * graphite.h (gbb_loop): New.
6215         (GBB_LOOP): Removed.
6216
6217 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6218
6219         * Makefile.in: Fix merge problem.
6220
6221 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6222
6223         * Merge from mainline (125309:127169).
6224         * tree-loop-distribution.c: Disabled.
6225
6226 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6227
6228         * Merge from mainline (r123693:125309).
6229
6230 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6231
6232         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6233         correct_modify_p
6234         (correct_modify_p, check_statements, number_of_lvalue_uses,
6235         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6236         instead of MODIFY_EXPR.
6237         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6238         and push new edges.
6239
6240 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6241
6242         * tree-loop-distribution.c (struct rdg): Replace arrays by
6243         VECs for edges and vertices.
6244         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6245         (RDGV_NB_PARTITIONS): New.
6246         (PRDG_NBV, PRDG_NBE): Removed.
6247         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6248         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6249         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6250
6251 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6252             Sebastian Pop  <sebpop@gmail.com>
6253
6254         * doc/invoke.texi (-ftree-loop-distribution): Document.
6255         * tree-loop-distribution.c: New file.
6256         * tree-pass.h (pass_loop_distribution): Declared.
6257         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6258         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6259         and set reversed_p.
6260         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6261         (DDR_REVERSED_P): New.
6262         * common.opt (-ftree-loop-distribution): New.
6263         * tree-flow.h (distribute_loops): Declared.
6264         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6265         * passes.c (init_optimization_passes): Schedule loop distribution.
6266
6267 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6268
6269         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6270         (print_scop): Don't print when scop is NULL.
6271         (build_scop_context, find_transform): Don't output to stderr.
6272
6273 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6274
6275         * tree-data-ref.c: Don't include graphite.h.
6276         Comment out the code for printing data reference's scop.
6277         (build_access_matrix_with_af): Moved...
6278         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6279         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6280         (print_graphite_bb): Print basic block's schedule.
6281         (print_scop): Don't print the schedule, call cloog's pretty printer.
6282         (bb_in_scop_p): A basic block is in a scop only if it is both
6283         dominated and postdominated by the scop's entry and exit basic blocks.
6284         (function_parameter_p): New.
6285         (invariant_in_scop_p): Use function_parameter_p.
6286         (new_scop, save_scop): New.
6287         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6288         save_scop.
6289         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6290         (loop_in_scop_p): New.
6291         (scop_record_loop): Use loop_in_scop_p.
6292         (build_scop_domain): Renamed build_scop_iteration_domain.
6293         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6294         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6295         setup_cloog_loop, dot_scop_1, dot_scop): New.
6296         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6297         (struct scop): Add a pointer to cloog's representation of a program.
6298
6299 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6300
6301         * doc/invoke.texi (-ftree-check-verbose): Renamed
6302         -ftree-checks-verbose.
6303         * common.opt (flag_tree_check_verbose): Renamed
6304         flag_tree_checks_verbose.
6305         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6306
6307 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6308
6309         * configure: Regenerated.
6310         * config.in: Regenerated.
6311         * tree-ssa-loop.c (graphite_transforms): Execute
6312         graphite_transform_loops only when HAVE_cloog.
6313         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6314         * graphite.c: Include polylibgmp.h and cloog.h.
6315         (graphite_transform_loops): Removed loops parameter.
6316         * tree-flow.h (graphite_transform_loops): Update declaration.
6317         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6318         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6319         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6320         (OBJS-common): Remove dependence on graphite.o.
6321         (BACKEND): Depend on @GRAPHITE@.
6322
6323 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6324
6325         * doc/invoke.texi (-ftree-check-verbose): Documented.
6326         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6327         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6328         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6329         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6330         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6331         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6332         * common.opt (ftree-checks-verbose): New.
6333         * tree-check.c (tree_check_warning): Move extra stderr output
6334         under control of flag_tree_check_verbose.
6335
6336 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6337
6338         * tree-match.c: Fix comments formatting.
6339         * tree-match.h: Fix comments formatting.
6340         * tree-check.c: Fix comments formatting.
6341         (tree_check_init): Restructure.
6342
6343 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6344
6345         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6346
6347 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6348
6349         * Merge from mainline (r120733:123693).
6350
6351 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6352
6353         * condate.y: New file.
6354         * tree-match.h (struct patt_info_s): New field sign.
6355         (struct condate_s): New field msg.
6356         (normalize_condate, name_condate, add_condate): New.
6357         (conds[], condate_parse): Made extern.
6358         * tree-check.c (tree_check_warning): First arg changed to cond;
6359         warning reformatted.
6360         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6361         (tree_scan): New.
6362         (tree_check): Process trivial condates.
6363         (read_delimited_string): Removed.
6364         (print_cond): Print name and msg.
6365         (conds[]): Made extern.
6366         (parse_tree_check_file_once): Rewritten to use the parser in
6367         condate.y.
6368         Processing of option --tree_check_string moved to tree_scan().
6369         * Makefile.in: Added condate.y
6370
6371 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6372
6373         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6374         Use VECs instead of varrays.
6375         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6376         * Makefile.in (pretty-print.o): Depend on vec.h.
6377         * pretty-print.c: Include tree.h and vec.h.
6378         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6379         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6380         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6381         pp_free_list): Use VECs instead of varrays.
6382         * pretty-print.h: Do not include varray.h.
6383         (struct tree_chunk_s): Declaration moved before its use.
6384         (output_buffer): Rename varray field to chunks.
6385         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6386         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6387         save_global_holes): Use VECs instead of varrays.
6388         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6389         * tree-check.c (scan_cfg_stmts, push_node,
6390         print_matching_stmt): Removed.
6391         (tree_check_instance, push_global_holes_if_new, tree_check,
6392         execute_tree_check): Use VECs instead of varrays.
6393         (gate_tree_check): Don't execute the CFG check when basic_block_info
6394         is not available.
6395
6396 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6397
6398         * Merge from mainline (r115016:120733).
6399
6400 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6401
6402         * Merge from mainline (r117632:117661).
6403
6404 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6405
6406         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6407         * tree-pass.h (TDF_DEBUG, debug_p): New.
6408         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6409         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6410         get_loop_exit_condition, analyze_evolution_in_loop,
6411         analyze_initial_condition, analyze_scalar_evolution,
6412         instantiate_parameters, number_of_latch_executions): Use debug_p.
6413         * tree-chrec.c (chrec_apply): Use debug_p.
6414         * tree-data-ref.c: Include graphite.h.
6415         (dump_data_reference): Print also the access matrix.
6416         (analyze_array, analyze_indirect_ref, init_data_ref,
6417         analyze_offset_expr, address_analysis, object_analysis,
6418         create_data_ref, finalize_ddr_dependent,
6419         non_affine_dependence_relation, analyze_ziv_subscript,
6420         analyze_siv_subscript_cst_affine,
6421         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6422         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6423         analyze_miv_subscript, analyze_overlapping_iterations,
6424         build_classic_dist_vector, subscript_dependence_tester,
6425         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6426         (build_access_matrix_with_af): No longer static.
6427         * tree-data-ref.h (scop_p): ... declaration here.
6428         (data_reference.scop): New field.
6429         (DR_SCOP, DR_ACCESS_MATRIX): New.
6430         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6431         * graphite.c (print_graphite_bb): Call dump_data_references.
6432         (print_scop): Use scop_nb_loops and scop_dim_domain.
6433         (test_for_scop_bound): Use debug_p.
6434         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6435         scop_nb_params.
6436         (scop_loop_index): Moved...
6437         (scop_record_loop): New.
6438         (build_scop_loop_nests): Use scop_record_loop.
6439         (build_scop_domain): Use scop_dim_domain.
6440         (build_access_matrix): Implemented.
6441         (build_scop_canonical_schedules): Use scop_nb_loops.
6442         (build_graphite_bb): Initialize GBB_SCOP.
6443         * graphite.h (scop_p): Moved...
6444         (graphite_bb.scop): New field.
6445         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6446         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6447         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6448         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6449         scop_loop_index): New.
6450         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6451
6452 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6453
6454         * Merge from mainline (r117661:120450).
6455
6456 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6457
6458         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6459         at the first declaration outside the varying loop, instantiate as
6460         far as possible.
6461         * tree-chrec.c (for_each_scev_op): New.
6462         * tree-chrec.h (for_each_scev_op): Declared.
6463         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6464         * tree-data-ref.c (get_references_in_stmt,
6465         find_data_references_in_stmt): New, from trunk.
6466         (find_data_references_in_loop): Use get_references_in_stmt
6467         and find_data_references_in_loop, modified as in trunk.
6468         (build_access_matrix_with_af): New.
6469         * tree-data-ref.h (data_reference): Add a field access_matrix.
6470         (data_ref_loc): New, as in trunk.
6471         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6472         invariant_in_scop_p, param_index, scan_tree_for_params,
6473         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6474         idx_record_param, idx_record_params, build_access_matrix,
6475         build_scop_data_accesses, build_scop_canonical_schedules,
6476         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6477         build_scop_params): New.
6478         * graphite.h (graphite_bb): New.
6479         (scop): Add fields static_schedule, params, loop_nest,
6480         iteration_domain.
6481         * lambda.h: Declare vecs of lambda_matrix.
6482         * tree-flow.h (print_loop_ir_bb): Declared.
6483         * tree-cfg.c (print_loop_ir_bb): New.
6484         (print_loop): Use print_loop_ir_bb.
6485
6486 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6487
6488         * Merge from mainline (r115016:117632).
6489
6490 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6491
6492         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6493         break due to a warning.
6494
6495 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6496
6497         * graphite.c (print_scops, debug_scops): New.
6498         (graphite_transform): Renamed graphite_find_transform.
6499         * graphite.h (debug_scops): Declared.
6500
6501 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6502
6503         * tree-match.c: Reformat following the GNU style.
6504         * tree-match.h: Reformat following the GNU style.
6505         * tree-pattern.h: Removed empty file.
6506         * Makefile.in: Remove references to tree-pattern.h.
6507         * tree-check.c: Reformat following the GNU style.
6508         (execute_tree_check): Move gate condition code to...
6509         (gate_tree_check): ...here.  New function.
6510         (pass_check): Use the gate function.
6511
6512 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6513
6514         * tree-pattern.h: New. Tree pattern matching and checking using
6515         concrete syntax.
6516         * tree-check.c: New. Tree/CFG checking pass.
6517         * tree-match.c: New. Library for tree pattern matching.
6518         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6519         * toplev.c, flags.h: Add globals for tree-check pass.
6520         * Makefile.in: Integrate the files in tree-check pass.
6521         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6522         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6523         Introduce a "lazy" pretty-print mode.
6524         * tree.c, tree.h: Add tree_name.
6525
6526 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6527
6528         * doc/invoke.texi (-fgraphite): Correct typo.
6529         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6530         use of print_loop_ir.
6531         * testsuite/gcc.dg/graphite/scop-1.c: New.
6532         * testsuite/gcc.dg/graphite/scop-2.c: New.
6533         * testsuite/gcc.dg/graphite/graphite.exp: New.
6534         * graphite.c: Include domwalk.h.
6535         (print_scop): Print only the entry and exit blocks.
6536         (debug_scop): No longer static.
6537         (affine_expr): Fix formating.  Return also true when the expression is
6538         constant.
6539         (stmt_simple_for_scop_p): Fix formating.
6540         (build_scops): Use domwalk.
6541         (get_loop_start, end_scop, test_for_scop_bound): New.
6542         (graphite_transform_loops): Avoid printing on stderr.
6543         * graphite.h (debug_scop): Declared.
6544         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6545         * Makefile.in (graphite.o): Depend on domwalk.h.
6546         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6547         declarations for static functions.
6548         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6549         controlling output verbosity.
6550
6551 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6552             Plesco Alexandru  <shurikx@gmail.com>
6553
6554         * doc/invoke.texi (-fgraphite): Document.
6555         * tree-pass.h (pass_graphite_transforms): Declared.
6556         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6557         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6558         (pass_graphite_transforms): Defined.
6559         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6560         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6561         * graphite.c, graphite.h: New.
6562         * common.opt (fgraphite): Declared.
6563         * tree-flow.h (graphite_transform_loops): Declared.
6564         * Makefile.in (OBJS-common): Add graphite.o.
6565         (graphite.o): New rule.
6566         * passes.c (pass_graphite_transforms): Scheduled.
6567