gcc/ChangeLog.graphite

   1 2010-01-07  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/42641
   4         * sese.c (rename_map_elt_info): Use the SSA name version, do
   5         not hash pointers.
   6
   7 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
  10         blocked" only when both the strip mine and the interchange have
  11         been applied.
  12
  13         * testsuite/gcc.dg/graphite/block-2.c: Removed.
  14         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
  15         * testsuite/gcc.dg/graphite/block-4.c: Same.
  16         * testsuite/gcc.dg/graphite/block-5.c: Same.
  17         * testsuite/gcc.dg/graphite/block-6.c: Same.
  18
  19 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  20
  21         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
  22         before allocating a new one.
  23         (copy_renames): Check that slot is not NULL.
  24         (mark_bb_with_pbb): Same.
  25         (compute_cloog_iv_types_1): Same.
  26         * graphite-interchange.c (lst_perfect_nestify): Free the before,
  27         nest, and after LSTs.
  28         (lst_try_interchange_loops): Same.
  29
  30 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
  31
  32         PR middle-end/42178
  33         * graphite-interchange.c (lst_try_interchange_loops): Do not return
  34         the before, nest, and after LSTs.
  35         (lst_try_interchange): Removed.
  36         (lst_interchange_select_inner): Do not iterate over the LSTs if they
  37         were modified.
  38         (lst_interchange_select_outer): Apply interchange on the outer loop
  39         until there are no more changes in the inner loops.
  40
  41 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  42
  43         Revert patch fixing PR middle-end/42221.
  44
  45 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         PR middle-end/42180
  48         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
  49         GIMPLE_CALL.
  50
  51         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
  52
  53 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  54
  55         PR middle-end/42180
  56         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
  57         that contain only one statement.
  58
  59         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
  60
  61 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         PR middle-end/42393
  64         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
  65
  66 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         PR middle-end/42186
  69         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
  70
  71 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  72
  73         PR middle-end/42205
  74         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
  75         Insert the reduction copy in the same block as the phi node.
  76         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
  77
  78         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
  79         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
  80
  81 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/42221
  84         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  85         the array indexing of ADDR_EXPRs.
  86
  87         * testsuite/gcc.dg/graphite/pr42221.c: New.
  88
  89 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         PR middle-end/42178
  92         PR middle-end/42334
  93         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
  94         index.  Call lst_interchange_select_inner only once.
  95         (lst_interchange_select_inner): Update use of lst_try_interchange.
  96         (lst_interchange_select_outer): Update.
  97
  98 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         PR middle-end/42178
 101         PR middle-end/42334
 102         * graphite-interchange.c (lst_try_interchange): Do not increment the
 103         the OUTER index when there is no AFTER kernel.  Do not increment the
 104         OUTER index for after processing the AFTER kernel.
 105         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 106         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 107         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 108         (scop_do_interchange): Update use of lst_interchange_select_outer.
 109
 110         * testsuite/gfortran.dg/graphite/graphite.exp
 111         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 112         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 113         the graphite dump file.
 114         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 115         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 116
 117 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         PR middle-end/42178
 120         PR middle-end/42334
 121         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 122         that are empty.
 123         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 124         (lst_try_interchange): Reimplemented.
 125         (lst_interchange_select_inner): Same.
 126         (lst_do_interchange): Renamed lst_interchange_select_outer.
 127         Reimplemented.
 128         (scop_do_interchange): Update use of lst_interchange_select_outer.
 129
 130         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 131         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 132         * testsuite/gcc.dg/graphite/pr42211.c: New.
 133         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 134
 135 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 136
 137         PR middle-end/42181
 138         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 139         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 140
 141         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 142
 143 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 144
 145         PR middle-end/42284
 146         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 147         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 148         (detect_commutative_reduction_arg): Simplified.
 149         (detect_commutative_reduction): Early return when the argument of
 150         the close phi is not of an SSA_NAME.
 151
 152         * testsuite/gcc.dg/graphite/pr42284.c: New.
 153
 154 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 155
 156         * dbgcnt.def (graphite_scop): New counter.
 157         * graphite.c: Include dbgcnt.h
 158         (graphite_transform_loops): Use new counter to limit transformations.
 159
 160 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 161
 162         PR middle-end/42285
 163         * graphite-scop-detection.c (graphite_can_represent_init): Also
 164         handle more complex MULT_EXPRs containing parameters by recursion
 165         on the structure.
 166
 167         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 168
 169 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 170
 171         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 172
 173 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 174
 175         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 176
 177 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 178
 179         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 180         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 181
 182 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 183
 184         PR middle-end/42130
 185         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 186         translate_clast_for_loop): New.
 187         (translate_clast_for): Add a condition around the loop, to do not
 188         execute loops with zero iterations.
 189         * testsuite/g++.dg/graphite/pr42130.C: New.
 190         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 191
 192 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 193
 194         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 195         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 196         Remove context_loop and level.
 197
 198 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 199
 200         * graphite-clast-to-gimple.c (translate_clast_user,
 201         translate_clast_for, translate_clast_guard): Simplify and move common
 202         elements to translate_clast().
 203         (translate_clast): Simplify and get common elements.
 204
 205 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 206
 207         * graphite-clast-to-gimple.c (translate_clast_user,
 208         translate_clast_for, translate_clast_guard): Split out of
 209         translate_clast.
 210
 211 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 212
 213         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 214         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 215         debug_clast_name_indexes_1, debug_clast_name_indexes,
 216         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 217         (clast_name_to_gcc, clast_to_gcc_expression,
 218         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 219         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 220         graphite_create_guard_cond_expr, graphite_create_new_loop,
 221         translate_clast): Add params_index.
 222         (initialize_cloog_names): Create parameter strings from scratch, do
 223         not reference other strings.
 224         (create_params_index): New.
 225         (gloog): Initialize params_index.
 226         * graphite-scop-detection (free_scops_1): Removed.
 227         (limit_scops): Use normal free_scops.
 228         * graphite-sese-to-poly.c (save_var_names): Removed.
 229         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 230         and SESE_PARAMS_INDEX.
 231         * sese.c (new_sese, free_sese): Dito.
 232         * sese.h (struct sese): Remove params_index, params_names.
 233         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 234
 235 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         Revert the following patch from 2009-09-14:
 238         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 239         tree-scalar-evolution.h, and then tree-data-ref.h.
 240         * graphite-clast-to-gimple.c: Same.
 241         * graphite-dependences.c: Same.
 242         * graphite-interchange.c: Same.
 243         * graphite-poly.c: Same.
 244         * graphite-scop-detection.c: Same.
 245         * graphite-sese-to-poly.c: Same.
 246         * graphite.c: Same.
 247         * lambda-code.c: Same.
 248         * matrix-reorg.c: Same.
 249         * tree-data-ref.c: Same.
 250         * tree-if-conv.c: Same.
 251         * tree-loop-distribu: Same.: Same.
 252         * tree-loop-linear.c: Same.
 253         * tree-parloops.c: Same.
 254         * tree-predcom.c: Same.
 255         * tree-vect-patterns.c: Same.
 256
 257 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         Revert patch from 2009-09-14.
 260         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 261         passes at -O1 and below.
 262
 263 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         PR middle-end/40281
 266         * testsuite/gcc.dg/graphite/pr40281.c: New.
 267
 268         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 269         evolutions should not variate in inner loops.
 270
 271 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 272
 273         PR middle-end/42050
 274         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 275
 276 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 279         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 280
 281 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         * graphite-blocking.c (scop_do_block): New.
 284         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 285         * graphite-poly.h (scop_do_block): Declared.
 286
 287 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 290         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 291         to transform depth into the time_depth before calling
 292         pbb_number_of_iterations_at_time.
 293         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 294         lst_depth.
 295
 296 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 297
 298         Reverted the patch for "scattering permutations" from 2009-10-28.
 299
 300         * graphite-poly.c (print_permutation): New.
 301         (debug_permutation): New.
 302         (new_poly_bb): Initialize PBB_PERMUTATION.
 303         (free_poly_bb): Free PBB_PERMUTATION.
 304         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 305         (struct pbb_permutation_elt): New.
 306         (PBB_PERMUTATION_ELT_STRIDE): New.
 307         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 308         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 309         (new_pbb_permutation_elt): New.
 310         (pbb_permutation_elt_free): New.
 311         (struct poly_bb): Add field permutation.
 312         (PBB_PERMUTATION): New.
 313         (print_permutation): Declared.
 314         (debug_permutation): Declared.
 315
 316 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 317
 318         * graphite-interchange.c (build_partial_difference): New.
 319         (memory_stride_in_loop): Refactored the computation of
 320         equality constraints into build_partial_difference function.
 321         Added support for debugging stride computations.
 322
 323 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 324
 325         * graphite-clast-to-gimple.c (gloog): Free if_region,
 326         if_region->true_region, and if_region->region.
 327         * sese.c (if_region_set_false_region): Free if_region->false_region.
 328         (create_if_region_on_edge): Do not use GGC_NEW.
 329         (move_sese_in_condition): Remove useless initialization.
 330
 331 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 334         for the loops created by the loop distribution.  Do not modify the
 335         input LSTs.
 336         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 337         transformed schedule.  Call lst_update_scattering before data
 338         dependence analysis.
 339         (lst_try_interchange): Pass an extra parameter INDEX.
 340         (lst_do_interchange_1): New.
 341         (lst_do_interchange): Call lst_do_interchange_1.
 342         (scop_do_interchange): Call lst_update_scattering.
 343         * graphite-poly.c (apply_poly_transforms): Do not call
 344         lst_update_scattering.
 345         * graphite-poly.h (lst_pred): New.
 346         (lst_succ): New.
 347         (lst_find_first_pbb): Return NULL when not found.
 348         (lst_empty_p): New.
 349         (lst_insert_in_sequence): Allow LST1 to be NULL.
 350         (lst_replace): New.
 351         (lst_substitute_3): New.
 352         * gcc.dg/graphite/interchange-1.c: XFail.
 353         * gcc.dg/graphite/interchange-8.c: XFail.
 354         * gcc.dg/graphite/interchange-11.c: XFail.
 355
 356 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 357
 358         * graphite-interchange.c (lst_perfectly_nested_p): New.
 359         (lst_perfect_nestify): New.
 360         (lst_try_interchange_loops): Call store_lst_schedule,
 361         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 362         (scop_do_interchange): Avoid redundant legality test.
 363         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 364         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 365         * graphite-poly.h (psct_static_dim): New.
 366         (lst_dewey_number_at_depth): New.
 367         (lst_find_pbb): Restructured.
 368         (lst_find_first_pbb): Restructured.
 369         (lst_find_last_pbb): New.
 370         (lst_contains_p): New.
 371         (lst_contains_pbb): New.
 372         (lst_create_nest): New.
 373         (lst_remove_from_sequence): New.
 374         (pbb_update_scattering): New.
 375         (lst_update_scattering_under): New.
 376         (lst_update_scattering_seq): New.
 377         (lst_update_scattering): New.
 378         (lst_insert_in_sequence): New.
 379         (lst_distribute_lst): New.
 380         (lst_remove_all_before_including_pbb): New.
 381         (lst_remove_all_before_excluding_pbb): New.
 382
 383 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 386         get_loop_exit_edges.
 387
 388 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 391
 392 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 393
 394         * graphite-poly.c (print_permutation): New.
 395         (debug_permutation): New.
 396         (new_poly_bb): Initialize PBB_PERMUTATION.
 397         (free_poly_bb): Free PBB_PERMUTATION.
 398         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 399         (struct pbb_permutation_elt): New.
 400         (PBB_PERMUTATION_ELT_STRIDE): New.
 401         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 402         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 403         (new_pbb_permutation_elt): New.
 404         (pbb_permutation_elt_free): New.
 405         (struct poly_bb): Add field permutation.
 406         (PBB_PERMUTATION): New.
 407         (print_permutation): Declared.
 408         (debug_permutation): Declared.
 409
 410 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 411
 412         * graphite-clast-to-gimple.c (gloog): Do not call
 413         sese_reset_aux_in_loops.
 414         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 415         extra argument for domains.  Do not use loop->aux.
 416         (build_scop_iteration_domain): Initialize and free domains, pass it
 417         to build_loop_iteration_domains and extract the information from
 418         domains.  Do not use loop->aux.
 419         * sese.c (sese_reset_aux_in_loops): Removed.
 420         * sese.h (sese_reset_aux_in_loops): Removed.
 421
 422 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 423
 424         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 425         (dependency_in_loop_p): Same.
 426         (translate_clast): Do not use loop->aux.  Initialize
 427         loop->can_be_parallel.
 428         (mark_loops_parallel): Removed.
 429         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 430         * graphite.c (free_aux_in_new_loops): Removed.
 431         (graphite_finalize): Do not call free_aux_in_new_loops.
 432         (graphite_transform_loops): Do not call mark_loops_parallel.
 433
 434 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 435
 436         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 437         (translate_clast): Pass an extra parameter LEVEL.
 438         Call get_scattering_level.
 439         * graphite-clast-to-gimple.h (get_scattering_level): New.
 440
 441 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 444         * cfgloop.h (struct loop): New field single_iv.
 445
 446         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 447         loop->aux anymore: use loop->single_iv.
 448         (graphite_loop_normal_form): Moved...
 449         (build_graphite_loop_normal_form): Removed.
 450         (gloog): Do not call build_graphite_loop_normal_form.
 451         (free_aux_in_new_loops): Moved...
 452         (mark_loops_parallel): Restructure.
 453         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 454         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 455         (scop_canonicalize_loops): New.
 456         (build_poly_scop): Call scop_canonicalize_loops.
 457         * graphite.c (free_aux_in_new_loops): ...here.
 458
 459 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 460
 461         * g++.dg/graphite/graphite.exp: Add the same rules as in
 462         gcc.dg/graphite/graphite.exp.
 463
 464 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 465
 466         * g++.dg/graphite/id-1.C: New.
 467
 468 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 469
 470         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 471         argument base_name.
 472         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 473         (rewrite_phi_out_of_ssa): Same.
 474         (rewrite_cross_bb_scalar_deps): Same.
 475         (translate_scalar_reduction_to_array): Same.
 476
 477 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 478
 479         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 480         dump_alias_graphs.
 481
 482 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 483
 484         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 485         (build_scop_drs): Call dump_alias_graphs.
 486
 487 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 488
 489         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 490         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 491         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 492         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 493         * graphite-poly.h (free_lst): New.
 494         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 495         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 496
 497 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 498
 499         * graphite-poly.h (struct scop): Add a field saved_schedule.
 500         (SCOP_SAVED_SCHEDULE): New.
 501         (store_lst_schedule): New.
 502         (restore_lst_schedule): New.
 503         (store_scattering): Call store_lst_schedule.
 504         (restore_scattering): Call restore_lst_schedule.
 505
 506 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 509         (pdr_add_alias_set): Same.
 510         (build_poly_dr): Same.
 511         (build_alias_set_optimal_p): Same.
 512         (build_base_obj_set_for_drs): Same.  Do not store the result of
 513         graphds_dfs.
 514
 515 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 518         all_components_are_cliques to 1.
 519
 520 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 521
 522         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 523         the new structure.
 524         (pdr_add_alias_set): Update retrieving alias_set_num.
 525         (build_poly_dr): Update retrieving dr_base_object_set.
 526         (partition_drs_to_sets): Remove.
 527         (build_alias_set_optimal_p): New.
 528         (build_alias_set_for_drs): Rename.
 529         (build_scop_drs): Update.
 530         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 531         (ALIAS_SET_INDEX): Remove.
 532         (BASE_OBJECT_SET_INDEX): Remove.
 533
 534 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 535
 536         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 537
 538 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 539
 540         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 541         loop upper bounds for 1-element arrays at end of structures.
 542         * tree-flow.h (array_at_struct_end_p): Declared.
 543         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 544
 545 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * g++.dg/graphite/pr41305.C: New.
 548
 549 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 550
 551         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 552         construction of parameter constraints from loop iteration analysis.
 553         * gcc.dg/graphite/run-id-2.c: New test.
 554
 555 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 558         and new_cstr.
 559
 560 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562         * graphite-dependences.c (dependence_polyhedron_1): Remove
 563         unused gdim dimensions from the DDR polyhedron.
 564
 565 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * graphite-dependences.c (pddr_transformed_scattering): New.
 568         (dot_original_deps_stmt_1): New.
 569         (dot_transformed_deps_stmt_1): New.
 570         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 571         dot_transformed_deps_stmt_1.
 572         (dot_original_deps): New.
 573         (dot_transformed_deps): New.
 574         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 575
 576 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 577
 578         * graphite-dependences.c (reduction_dr_1): Remove wrong
 579         assert: reduction BBs can have multiple reduction writes
 580         to memory.  interchange-3.f90 is an example.
 581
 582 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 583
 584         * gfortran.dg/graphite/interchange-3.f90: New.
 585
 586 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 587
 588         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 589
 590 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite-dependences.c (dependence_polyhedron_1): Add the
 593         context to the dependence polyhedron.
 594
 595 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 596
 597         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 598         PBB_PDR_DUPLICATES_REMOVED.
 599         (new_poly_bb): Same.
 600
 601 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 602
 603         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 604         SCOP_CONTEXT.
 605         (build_loop_iteration_domains): Extract bounds on parameters
 606         based on the data size.
 607         (build_scop_context): Do not initialize SCOP_CONTEXT;
 608         add new constraints.
 609
 610 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 613         * graphite-ppl.h (graphite-ppl.h): Declared.
 614
 615 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 616
 617         * graphite-ppl.c (ppl_print_linear_expr): New.
 618         (debug_ppl_linear_expr): New.
 619         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 620         (debug_ppl_linear_expr): Declared.
 621
 622 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         * graphite-interchange.c: Fix comments.
 625         * gcc.dg/graphite/block-1.c: Fix comments.
 626
 627 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 630         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 631
 632 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 633
 634         Reapply the patch from Alexander Monakov that disappeared during
 635         the last merges from trunk.
 636
 637         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 638
 639         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 640         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 641
 642 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 643
 644         * graphite-interchange.c (memory_stride_in_loop): The depth
 645         argument corresponds to a dynamic time dimension, so use
 646         psct_dynamic_dim to refer to the transformed scattering dimension.
 647
 648 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 649
 650         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 651
 652 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 655         root of the LST.
 656         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 657         the root of the LST.
 658         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 659         fake loop.
 660         (print_lst): Print the root of LST in a different format.
 661         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 662
 663 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 666
 667 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * doc/passes.texi: Document the Graphite infrastructure.
 670
 671 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 674         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 675         and check the SSA representation.
 676
 677         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 678
 679 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 682
 683 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 684
 685         * gcc.dg/graphite/interchange-11.c: New.
 686
 687 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 688
 689         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 690
 691 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 694         Add -fno-loop-strip-mine and -fno-loop-interchange.
 695         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 696         -fno-loop-strip-mine.
 697         * gfortran.dg/graphite/graphite.exp: Same.
 698
 699 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 702         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 703         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 704         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 705         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 706         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 707         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 708         DEFAULT_FLAGS_GRAPHITE_SCOP.
 709         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 710         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 711
 712 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 713
 714         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 715
 716 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 717             Sebastian Pop  <sebastian.pop@amd.com>
 718
 719         * graphite-interchange.c (build_linearized_memory_access): Pass an
 720         offset as parameter.
 721         (memory_stride_in_loop): Include transform scattering in the
 722         access functions to be able to querry the strides in the
 723         transformed loops.
 724         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 725         not the psct_iterator_dim.
 726
 727 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 730         (lst_do_strip_mine_loop): New.
 731         (lst_do_strip_mine): New.
 732         (scop_do_strip_mine): Call lst_do_strip_mine.
 733         * graphite-poly.h (lst_add_loop_under_loop): New.
 734         (lst_find_first_pbb): New.
 735
 736 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-poly.c (loop_to_lst): Fix LST creation.
 739
 740 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 741
 742         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 743         sizeof(unsigned long) to make it run on 32bit systems.
 744
 745 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 746
 747         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 748         SEGFAULT on 32bit.
 749
 750 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 751
 752         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 753         Comment.
 754         (write_alias_graph_to_ascii_dot): New.
 755         (write_alias_graph_to_ascii_ecc): Ditto.
 756         (partition_drs_to_sets): Add testing of optimality of current method
 757         which assigns alias numbers according to DFS Comopnent number.  used
 758         as heuristic for the upcoming ECC algorithm.
 759         (build_scop_drs): Write to file also with the ecc and dot format.
 760
 761 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         * gfortran.dg/graphite/interchange-1.f: XFail.
 764
 765 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         * graphite.c (graphite_initialize): Do not handle functions with
 768         more than 100 basic blocks.
 769
 770 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 771
 772         * graphite-blocking.c (pbb_do_strip_mine): Use
 773         PARAM_LOOP_BLOCK_TILE_SIZE.
 774
 775 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         * graphite-poly.c (dot_lst_1): New.
 778         (dot_lst): New.
 779         * graphite-poly.h (dot_lst): Declared.
 780
 781 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * graphite-dependences.c (dot_deps_stmt_1): New.
 784         (dot_deps_stmt): New.
 785         * graphite-dependences.h (dot_deps_stmt): Declared.
 786
 787 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 790         not replace cross BB scalar dependences ending on PHI nodes.
 791         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 792
 793 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 794
 795         * graphite-poly.c (apply_poly_transforms): Implement the high
 796         level driver for flag_loop_block.
 797         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 798         flag_loop_block.
 799
 800         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 801         -floop-block.
 802         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 803         Add -floop-block.
 804
 805 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 806
 807         * graphite-poly.h (lst_find_pbb): New.
 808         (find_lst_loop): New.
 809
 810 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 813         * graphite-poly.h (struct scop): Remove dep_graph field.
 814         (SCOP_DEP_GRAPH): Removed.
 815
 816 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-poly.h (copy_lst): Do full copy of LST.
 819
 820 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 821
 822         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 823         when the loop stride is zero.
 824
 825         * gcc.dg/graphite/id-16.c: New.
 826
 827 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * graphite-dependences.c (reduction_dr_1): New.
 830         (reduction_dr_p): New.
 831         (graphite_legal_transform_dr): Call reduction_dr_p.
 832         (reduction_ddr): Renamed reduction_ddr_p.
 833         * graphite-poly.h (same_pdr_p): New.
 834         (number_of_write_pdrs): New.
 835         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 836         (split_reduction_stmt): Do not split reduction statements
 837         when there are no writes to memory.
 838         (translate_scalar_reduction_to_array_for_stmt): Insert the
 839         memory reduction statement just after the scalar reduction statement.
 840
 841         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 842         Un-XFAIL-ed.
 843         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 844         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 845
 846 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * graphite-interchange.c (lst_apply_interchange): New.
 849         (lst_interchange_profitable_p): New.
 850         (lst_try_interchange_loops): New.
 851         (lst_try_interchange): New.
 852         (lst_do_interchange): New.
 853         (pbb_do_interchange): Removed.
 854         (scop_do_interchange): Call lst_do_interchange.
 855
 856 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 857
 858         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 859         SCOP_TRANSFORMED_SCHEDULE.
 860         (loop_to_lst): New.
 861         (scop_to_lst): New.
 862         (print_lst): New.
 863         (debug_lst): New.
 864         * graphite-poly.h (lst_p): New.
 865         (struct lst): New.
 866         (LST_LOOP_P): New.
 867         (LST_LOOP_FATHER): New.
 868         (LST_PBB): New.
 869         (LST_SEQ): New.
 870         (scop_to_lst): Declared.
 871         (print_lst): Declared.
 872         (debug_lst): Declared.
 873         (new_lst_loop): New.
 874         (new_lst_stmt): New.
 875         (copy_lst): New.
 876         (lst_depth): New.
 877         (lst_dewey_number): New.
 878         (struct scop): Add original_schedule and transformed_schedule fields.
 879         (SCOP_ORIGINAL_SCHEDULE): New.
 880         (SCOP_TRANSFORMED_SCHEDULE): New.
 881         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 882
 883 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 884
 885         * graphite-dependences.c (reduction_ddr): New.
 886         (graphite_legal_transform_bb): Call reduction_ddr.
 887         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 888         Initialize PBB_IS_REDUCTION.
 889         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 890         (PBB_IS_REDUCTION): New.
 891         (new_poly_bb): Update declaration.
 892         * graphite-scop-detection.h (build_scop_bbs): Removed.
 893         (nb_reductions_in_loop): Removed.
 894         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 895         parameter for reductions.
 896         (try_generate_gimple_bb): Update call to new_poly_bb.
 897         (build_scop_bbs_1): Same.
 898         (build_scop_bbs): Same.
 899         (gsi_for_phi_node): New.
 900         (scalar_close_phi_node_p): Remove gcc_assert.
 901         (split_reduction_stmt): New.
 902         (is_reduction_operation_p): New.
 903         (phi_contains_arg): New.
 904         (follow_ssa_with_commutative_ops): New.
 905         (detect_commutative_reduction_arg): New.
 906         (detect_commutative_reduction_assign): New.
 907         (follow_inital_value_to_phi): New.
 908         (edge_initial_value_for_loop_phi): New.
 909         (initial_value_for_loop_phi): New.
 910         (detect_commutative_reduction): New.
 911         (translate_scalar_reduction_to_array_for_stmt): New.
 912         (insert_copyout): New.
 913         (insert_copyin): New.
 914         (translate_scalar_reduction_to_array): New.
 915         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 916         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 917         (rewrite_commutative_reductions_out_of_ssa): New.
 918         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 919         * sese.h (split_region_for_bb): New.
 920
 921         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 922         * gcc.dg/graphite/interchange-1.c: Fix format.
 923         * gcc.dg/graphite/interchange-10.c: New.
 924
 925 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 926
 927         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 928         buggy assert.
 929
 930 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 931
 932         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 933         (rewrite_cross_bb_scalar_dependence): New.
 934         (rewrite_cross_bb_scalar_deps): New.
 935         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 936         Call rewrite_cross_bb_scalar_deps.
 937
 938 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 941         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 942         gsi_for_stmt.
 943
 944 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 947         * graphite-interchange.c (pbb_do_interchange): Same.
 948         * graphite-poly.c (print_scattering_function): Same.
 949         (debug_pdrs): Same.
 950         * graphite-poly.h (pbb_loop): New.
 951         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 952
 953 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 954
 955         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 956
 957 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 958
 959         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 960         so don't pass a pointer to it.
 961         (build_alias_set_for_drs): Same.
 962         (build_base_obj_set_for_drs): Same.
 963         (build_scop_drs): Same.
 964
 965 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 966
 967         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 968         the alias graph of data references.
 969
 970 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 971
 972         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 973         (build_scop_drs): When debugging, write the alias graph to file,
 974         otherwise, should be disabled.
 975
 976 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 979         (is_simple_operand): Remove call to stmt_simple_memref_p.
 980         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 981
 982 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 983
 984         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 985         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 986         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 987         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 988         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 989
 990 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 991
 992         PR middle-end/41118
 993         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 994         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 995         (graphite_carried_dependence_level_k): Ditto.
 996         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 997         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 998         (new_poly_dr): Adjust declaration.
 999         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1000         (free_gimple_bb): Added free_data_refs_aux.
1001         (build_poly_dr): Add dr_base_object_set.
1002         (partition_drs_to_sets): New.
1003         (dr_same_base_object_p): New.
1004         (build_alias_set_for_drs): New.
1005         (build_base_object_set_for_drs): New.
1006         (build_scop_drs): Add build_base_obj_set_for_drs.
1007         * graphite-sese-to-poly.h: Added #define for alias set number index and
1008         base object set index.
1009         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1010         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1011
1012 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1013
1014         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1015         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1016
1017 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-sese-to-poly.c (struct irp_data): Removed.
1020         (idx_record_params): Removed.
1021         (find_params_in_bb): Scan for parameters the access functions; don't
1022         parse the tree representation.
1023
1024 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1025
1026         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1027         passes at -O1 and below.
1028
1029 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1032         tree-scalar-evolution.h, and then tree-data-ref.h.
1033         * graphite-clast-to-gimple.c: Same.
1034         * graphite-dependences.c: Same.
1035         * graphite-interchange.c: Same.
1036         * graphite-poly.c: Same.
1037         * graphite-scop-detection.c: Same.
1038         * graphite-sese-to-poly.c: Same.
1039         * graphite.c: Same.
1040         * lambda-code.c: Same.
1041         * matrix-reorg.c: Same.
1042         * tree-data-ref.c: Same.
1043         * tree-if-conv.c: Same.
1044         * tree-loop-distribu: Same.: Same.
1045         * tree-loop-linear.c: Same.
1046         * tree-parloops.c: Same.
1047         * tree-predcom.c: Same.
1048         * tree-vect-patterns.c: Same.
1049
1050 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         Partially revert the previous patch, except the following.
1053         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1054         as parameters the operands of the not expression.
1055
1056 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1059         Do not call analyze_scalar_evolution on assignments.
1060         (instantiate_scev_phi): Call analyze_scalar_evolution.
1061         (instantiate_scev_name): Call instantiate_scev_assign and
1062         instantiate_scev_phi.
1063         (instantiate_scev_not): Adapted to pass as parameters the operands
1064         of the not expression.
1065
1066 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1069         to pass as parameters the operands of the binary expression.
1070
1071 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1074         instantiate_scev_not.  Handle NEGATE_EXPR.
1075         (instantiate_scev_r): Handle NEGATE_EXPR.
1076
1077 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1080         instantiate_scev_r.
1081         (instantiate_scev_r): Move code in instantiate_scev_2
1082         and instantiate_scev_1.
1083
1084 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * tree-scalar-evolution.c (instantiate_scev_3): New.
1087         (instantiate_scev_1): Move code in instantiate_scev_3.
1088
1089 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1092         (instantiate_scev_1): Move code in instantiate_scev_poly.
1093
1094 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1097         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1098
1099 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1102         (instantiate_scev_1): Move code in instantiate_scev_convert.
1103
1104 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1107         (instantiate_scev_1): Move code in instantiate_scev_binary.
1108
1109 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * tree-scalar-evolution.c (instantiate_scev_name): New.
1112         (instantiate_scev_1): Move code in instantiate_scev_name.
1113
1114 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * Merge from mainline (150992:151171).
1117
1118 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1119
1120         * graphite-dependences.c (graphite_legal_transform_bb): Call
1121         pbb_remove_duplicate_pdrs.
1122         * graphite-poly.c (can_collapse_pdr): Removed.
1123         (pdr_find_duplicate): Removed.
1124         (can_collapse_pdrs): New.
1125         (pbb_remove_duplicate_pdrs): New.
1126         (new_poly_dr): Do not look for duplicates.
1127         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1128         (PBB_PDR_DUPLICATES_REMOVED): New.
1129         (pbb_remove_duplicate_pdrs): Declared.
1130
1131 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1134         the strides by multiplying by PDR_NB_REFS.
1135         * graphite-poly.c (can_collapse_pdr): New.
1136         (pdr_find_duplicate): New.
1137         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1138         Initialize PDR_NB_REFS.
1139         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1140         (PDR_NB_REFS): New.
1141         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1142
1143 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         Revert one of the previous commits:
1146         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1147         the computation of symmetric data dependence relations.
1148         (dependency_between_pbbs_p): Same.
1149
1150 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         PR middle-end/40965
1153         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1154         any transform.
1155
1156 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-dependences.c (pddr_original_scattering): Return NULL
1159         for read-read dependence relations.
1160         * graphite-poly.h (enum poly_dr_type): Fix comment.
1161         (pdr_read_p): New.
1162         (pdr_write_p): New.
1163         (pdr_may_write_p): New.
1164
1165 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1168         (struct poly_dr): Same.
1169         (new_poly_dr): Same.
1170         * graphite-poly.c (new_poly_dr): Same.
1171
1172 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1173             Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1176         pbb_strip_mine_time_depth.  Changed the implementation so that
1177         transformation is expressed as a transformation on
1178         time (scatttering) dimensions.  Also, ensures that the 2d+1
1179         scheduling format is preserved.
1180         (pbb_strip_mine_profitable_p): Profitability is based on the
1181         iteration number of a given time (scattering) dimension,
1182         and not on a original loop depth dimension.
1183         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1184         (pbb_do_strip_mine): Call psct_dynamic_dim.
1185         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1186         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1187         (pbb_nb_dynamic_scattering_transform): New.
1188         (psct_dynamic_dim): New.
1189
1190 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1191
1192         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1193         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1194         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1195         * graphite-interchange.c (build_linearized_memory_access): Same.
1196         (memory_stride_in_loop): Same.
1197
1198 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * graphite-dependences.c (pddr_original_scattering): New.
1201         (graphite_legal_transform_dr): Call pddr_original_scattering.
1202         (dot_deps_1): New.
1203         (dot_deps): New.
1204         * graphite-dependences.h (dot_deps): Declared.
1205         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1206         (print_pdr): Print PDR_ID.
1207         * graphite-poly.h (struct poly_dr): Add field id.
1208         (PDR_ID): New.
1209         (pbb_index): New.
1210         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1211
1212 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1215         not delete the original dependence relation.
1216
1217 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1218
1219         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1220         the computation of symmetric data dependence relations.
1221         (dependency_between_pbbs_p): Same.
1222
1223 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1226         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1227         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1228         (free_poly_ddr): New.
1229         (pddr_is_empty): New.
1230         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1231         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1232         Remove fprintfs.
1233         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1234         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1235         * graphite-dependences.h (enum poly_dependence_kind): New.
1236         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1237         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1238         (PDRP_SINK): Renamed PDDR_SINK.
1239         (PDRP_DDP): Renamed PDDR_DDP.
1240         (PDDR_KIND): New.
1241         (free_poly_ddr): Declared.
1242         * graphite-poly.c (new_scop): Use the new hash function names.
1243         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1244         into original_pddrs.
1245         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1246
1247 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         * Merge from mainline (150764:150992).
1250
1251 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1254         bounds with LT_EXPR to make niter analysis more precise on code
1255         generated by Graphite.
1256
1257 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1260         (graphite_legal_transform_bb): Same.
1261         (poly_drs_may_alias_p): Same.
1262
1263 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         PR middle-end/40981
1266         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1267         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1268
1269 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * graphite-poly.c (print_pbb): Print PBB index.
1272
1273 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1274
1275         * Merge from mainline (r150672:150764).
1276
1277 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-interchange.c (ppl_max_for_le): Moved...
1280         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1281         * graphite-ppl.c (ppl_max_for_le): ... here.
1282         * graphite-ppl.h (ppl_max_for_le): Declared.
1283
1284 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * Merge from mainline (r150372:150672).
1287
1288 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         PR middle-end/40980
1291         * sese.c (convert_for_phi_arg): New.
1292         (add_guard_exit_phis): Use convert_for_phi_arg.
1293
1294         * testsuite/gfortran.dg/graphite/id-17.f: New.
1295
1296 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1297
1298         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1299         unknown subscript upper bounds.
1300
1301         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1302
1303 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1304             Pranav Garg  <pranav.garg2107@gmail.com>
1305
1306         * graphite-interchange.c (gather_access_strides): Removed.
1307         (ppl_max_for_le): New.
1308         (build_linearized_memory_access): New.
1309         (memory_stride_in_loop): New.
1310         (pbb_interchange_profitable_p): Reimplemented.
1311         * graphite-ppl.h (ppl_new_id_map): New.
1312         (ppl_interchange): New.
1313
1314         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1315
1316 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * graphite-interchange.c (compute_subscript): Removed.
1319         (compute_array_size_cstr): Removed.
1320         (compute_array_size_poly): Removed.
1321         (compute_array_size): Removed.
1322         (gather_access_strides_poly): Removed.
1323         (gather_access_strides): Empty.
1324
1325 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-dependences.c (dependence_polyhedron_1): Replace
1328         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1329         (graphite_legal_transform_dr): Same.
1330         (graphite_carried_dependence_level_k): Same.
1331         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1332         Initialize PDR_NB_SUBSCRIPTS.
1333         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1334         PDR_NB_SUBSCRIPTS.
1335         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1336         (PDR_NB_SUBSCRIPTS): New.
1337         (pdr_nb_subscripts): Removed.
1338         (pdr_dim): Simplified.
1339         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1340         with PDR_NB_SUBSCRIPTS.
1341
1342 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * graphite-interchange.c (compute_array_size): Remove use of
1345         PDR_DATA_CONTAINER.
1346         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1347         Do not initialize PDR_DATA_CONTAINER.
1348         (print_pdr): Do not print PDR_DATA_CONTAINER.
1349         * graphite-poly.h (struct poly_dr): Remove data_container field.
1350         (PDR_DATA_CONTAINER): Removed.
1351         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1352         PDR_DATA_CONTAINER.
1353         (build_poly_dr): Same.
1354
1355 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1356
1357         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1358
1359 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1360             Sebastian Pop  <sebastian.pop@amd.com>
1361
1362         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1363         copy of the dependence polyhedron.  Free the temporary objects.
1364         (graphite_carried_dependence_level_k): Free unused objects before
1365         returning.
1366
1367         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1368         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1369         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1370         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1371         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1372
1373 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1376         Early return without analyzing the data dependences if no
1377         transform has been done.  Call restore_scattering if the transform
1378         is not legal.
1379         (graphite-interchange.c): Same.
1380         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1381         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1382         (apply_poly_transforms): Do not gcc_assert that
1383         the transform is legal.
1384         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1385         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1386         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1387         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1388         * graphite-poly.h (struct poly_scattering): New.
1389         (struct poly_bb): Add original, transformed, and saved fields.
1390         Remove transformed_scattering, original_scattering, nb_local_variables,
1391         and nb_scattering_transform fields.
1392         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1393         (poly_scattering_new): New.
1394         (poly_scattering_free): New.
1395         (poly_scattering_copy): New.
1396         (store_scattering_pbb): New.
1397         (store_scattering): New.
1398         (restore_scattering_pbb): New.
1399         (restore_scattering): New.
1400         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1401         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1402
1403 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1404
1405         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1406         (print_scop): Same.
1407
1408 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * Makefile.in (graphite.o): Depends on PREDICT_H.
1411         * graphite.c: Include predict.h.
1412         (graphite_finalize): Call tree_estimate_probability.
1413         * predict.c (predict_loops): Do not call scev_initialize and
1414         scev_finalize.
1415         (tree_estimate_probability_bb): New.
1416         (tree_estimate_probability): Do not initialize loops: move that
1417         code to the driver.  Call tree_estimate_probability_bb.
1418         (tree_estimate_probability_driver): New.
1419         (pass_profile): Use tree_estimate_probability_driver.
1420         * predict.h (tree_estimate_probability): Declared.
1421
1422 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1425         * graphite-dependences.c (graphite_legal_transform): Add time to
1426         TV_GRAPHITE_DATA_DEPS.
1427         (dependency_between_pbbs_p): Same.
1428         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1429
1430 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * Merge from mainline (r149952:150372).
1433
1434 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1437         * graphite-blocking.c: Same.
1438         * graphite-clast-to-gimple.c: Same.
1439         * graphite-dependences.c: Same.
1440         * graphite-poly.c: Same.
1441         * graphite-poly.h: Same.
1442         * graphite-ppl.c: Same.
1443         * graphite-scop-detection.c: Same.
1444         * graphite-sese-to-poly.c: Same.
1445         * graphite.c: Same.
1446
1447 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1450         (remove_simple_copy_phi): New.
1451         (remove_invariant_phi): New.
1452         (simple_copy_phi_p): New.
1453         (reduction_phi_p): New.
1454         (gsi_for_ssa_name_def): New.
1455         (insert_out_of_ssa_copy): New.
1456         (insert_out_of_ssa_copy_on_edge): New.
1457         (create_zero_dim_array): New.
1458         (scalar_close_phi_node_p): New.
1459         (rewrite_close_phi_out_of_ssa): New.
1460         (rewrite_phi_out_of_ssa): New.
1461         (rewrite_reductions_out_of_ssa): New.
1462         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1463
1464         * testsuite/gcc.dg/graphite/id-11.c: New.
1465         * testsuite/gcc.dg/graphite/id-15.c: New.
1466         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1467         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1468         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1469         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1470         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1471         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1472         * testsuite/gfortran.dg/graphite/id-13.f: New.
1473         * testsuite/gfortran.dg/graphite/id-5.f: New.
1474
1475 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1478         check that nb_reductions_in_loop is zero.
1479         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1480         reduction phi nodes.
1481         (nb_reductions_in_loop): Removed.
1482         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1483         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1484         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1485         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1486         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1487
1488 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1491         statements that have an empty iteration domain.
1492         * testsuite/gfortran.dg/graphite/id-16.f: New.
1493
1494 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         * tree-scalar-evolution.c (instantiate_scev_1): Return
1497         chrec_dont_know when the result is not above instantiate_below.
1498         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1499         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1500         the tree has a known scalar evolution.
1501         * testsuite/gfortran.dg/graphite/id-14.f: New.
1502         * testsuite/gfortran.dg/graphite/id-15.f: New.
1503
1504 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1505
1506         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1507         insert_gsi.
1508         (rename_variables): Keep inserting renames after the ones already
1509         inserted.
1510
1511 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * graphite-sese-to-poly.c (compare_bb_depths): New.
1514         (graphite_sort_dominated_info): New.
1515         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1516         (build_scop_scattering): Fix comment.
1517
1518 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite.c (graphite_finalize): Call print_loops instead of
1521         dump_function_to_file.
1522         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1523         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1524         loops generated in the graphite output file.
1525         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1526         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1527         * testsuite/gfortran.dg/graphite/id-12.f: New.
1528
1529 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1530
1531         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1532         Remove 2 XFAIL.
1533
1534 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1535             Tobias Grosser  <grosser@fim.uni-passau.de>
1536
1537         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1538         alias set number build alias in ACCESSES polyhedron.
1539         (build_alias_set_for_drs): New.
1540         (build_pbb_drs): Added build_alias_set_for_drs.
1541         * graphite-dependences.c (poly_drs_may_alias_p): New.
1542         (graphite_carried_dependence_level_k): Check alias information
1543         before building polyhedron.
1544
1545 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1546
1547         * Makefile.in (lambda-code.o): Fix formatting.
1548
1549 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1550
1551         * Merge from mainline (r149350-149952)
1552
1553 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1554
1555         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1556         before interchange to prepare for loop blocking.
1557
1558 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1559
1560         * graphite-poly.c (apply_poly_transforms): Add checks after every
1561         transformation.
1562         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1563         done in apply_poly_transforms.
1564
1565 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1566
1567         * graphite-dependences.c (build_lexicographically_gt_constraint):
1568         Replace RES parameter with *RES.
1569         (dependence_polyhedron_1): Pass an address of the parameter RES
1570         instead of value of RES.
1571
1572 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * graphite.c (graphite_finalize): Fix comment.
1575         (graphite_transform_loops): Reset scev info after code generation
1576         of each scop.
1577
1578 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * graphite.c (graphite_finalize): Call scev_reset.
1581
1582 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1585         GBB_CLOOG_IV_TYPES hash table twice.
1586         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1587         (add_condition_to_domain): Clear GMP values.
1588
1589 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1590
1591         * graphite-dependences.c: Fix formatting.
1592         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1593         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1594         * graphite-sese-to-poly.c: Fix formatting.
1595         * graphite.c (graphite_transform_loops): Create the hash table
1596         after the early return.
1597
1598 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * testsuite/gcc.dg/graphite/id-14.c: New.
1601         * testsuite/gcc.dg/graphite/pr40157.c: New.
1602         * testsuite/gfortran.dg/graphite/id-11.f: New.
1603
1604 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1607         (build_poly_scop): Return false when there are no pbbs within
1608         loops to avoid to pass to cloog scops with no loops.
1609
1610 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1611
1612         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1613         useless test "i % 2".
1614         (build_pbb_scattering_polyhedrons): Fix formatting.
1615         (build_poly_dr): Same.
1616         * graphite.c (graphite_transform_loops): Restructure.
1617
1618 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1619
1620         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1621         reduction_list parameter.
1622         (rewrite_all_phi_nodes_with_iv): Same.
1623         (canonicalize_loop_ivs): Same.
1624         * tree-parloops.c (struct brli): Removed.
1625         (build_reduction_list_info): Removed.
1626         (build_new_reduction): New.
1627         (analyze_reduction_list): Removed.
1628         (gather_scalar_reductions): Find reductions instead of phi
1629         nodes that can't be canonicalized.
1630         (try_create_reduction_list): Remove reduction_list parameter.
1631         (gen_parallel_loop): Same.
1632         (parallelize_loops): Remove analyze_reductions variable,
1633         initialization and free.
1634         Change reduction_list htab initialization to reduction_info
1635         elements instead of ssa names.
1636         Call try_create_reduction_list and gen_parallel_loop without
1637         analyzed_reduction argument.
1638         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1639         canonicalize_loop_ivs with one less argument.
1640         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1641
1642 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1643
1644         * graphite-dependences.c (new_poly_dr_pair): New.
1645         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1646         (new_poly_dr_pair): New.
1647         (eq_poly_dr_pair_p): New.
1648         (hash_poly_dr_pair_p): New.
1649         * graphite-dependences.h (struct poly_dr_pair): New.
1650         (eq_poly_dr_pair_p): Declared.
1651         (hash_poly_dr_pair_p): Declared.
1652         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1653         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1654         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1655         * Makefile.in (graphite-poly.o): Add dependence on
1656         graphite-dependences.h.
1657
1658 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1661         polynomials of degree > 1 pass to Graphite.
1662         * tree-chrec.c (scev_is_linear_expression): Call
1663         evolution_function_is_affine_multivariate_p.
1664         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1665
1666 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1669         Instantiate scevs varying in outer loops.
1670         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1671
1672 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1675         redundant constraint.
1676
1677 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1680         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1681         based on the file names as in the C testsuite.
1682         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1683         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1684         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1685         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1686         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1687         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1688         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1689         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1690         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1691         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1692         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1693         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1694         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1695
1696 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1697
1698         * sese.c (expand_scalar_variables_call): New.
1699         (expand_scalar_variables_ssa_name): Handle calls in expander.
1700
1701 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1704         Expect to see the pattern twice.
1705         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1706         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1707         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1708
1709 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         * testsuite/gcc.dg/graphite/id-10.c: New.
1712         * testsuite/gcc.dg/graphite/id-12.c: New.
1713         * testsuite/gfortran.dg/graphite/id-7.f: New.
1714         * testsuite/gfortran.dg/graphite/id-8.f: New.
1715
1716 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1719         zero.
1720
1721 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1724
1725 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1728
1729 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1732         building PDR subscripts.
1733
1734 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1737         computation of array sizes.
1738
1739 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1742
1743 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1744
1745         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1746         build_pairwise_constraint, dr_equality_constraints,
1747         build_pairwise_scheduling_equality,
1748         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1749         build_lexicographically_gt_constraint, dependence_polyhedron,
1750         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1751         Move from NNC_Polyhedron to C_Polyhedron.
1752         * graphite-interchange.c (compute_array_size_poly,
1753         gather_access_strides): Dito.
1754         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1755         free_scop, pbb_number_of_iterations): Dito.
1756         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1757         pbb_dim_iter_domain, struct scop): Dito.
1758         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1759         new_Cloog_Domain_from_ppl_Polyhedron,
1760         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1761         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1762         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1763         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1764         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1765         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1766         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1767         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1768         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1769         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1770         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1771         build_scop_iteration_domain, build_poly_dr): Dito
1772
1773 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1776         run-id-*.c files.
1777         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1778
1779 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1780
1781         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1782         positivity constraint on the symbolic number of iterations.
1783
1784 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1785
1786         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1787
1788 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1789             Tobias Grosser  <grosser@fim.uni-passau.de>
1790
1791         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1792         (build_cloog_prog): Directly use SCOP_CONTEXT.
1793         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1794         (free_scop): Free SCOP_CONTEXT.
1795         (print_scop_context): New.
1796         (print_scop): Call print_scop_context.
1797         (debug_scop_context): New.
1798         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1799         (struct scop): Added field context.
1800         (SCOP_CONTEXT): New.
1801         * graphite-sese-to-poly.c (add_param_constraints): New.
1802         (build_scop_context): New.
1803         (build_poly_scop): Call build_scop_context.
1804
1805 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1808         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1809         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1810         * graphite-ppl.h: Include double-int.h and tree.h.
1811         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1812         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1813         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1814         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1815
1816 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1819         POINTER_PLUS_EXPR for pointer types.
1820         (clast_to_gcc_expression): Same.
1821
1822 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1823
1824         * graphite-poly.c (print_scattering_function): Early return when
1825         PBB_TRANSFORMED_SCATTERING is not initialized.
1826         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1827
1828 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1831         to fix bootstrap.
1832
1833 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1834
1835         * tree-parloops.c (analyze_reduction_list): Change return
1836         value to void.
1837         (try_create_reduction_list): Move the call to
1838         analyze_reduction_list to the beginining.
1839         Call reduction_phi with analyzed_reductions as argument
1840         instead of reduction_list.
1841
1842 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1843
1844         *  Merge from mainline (r148296:149346)
1845
1846 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1847
1848         * graphite-scop-detection.c (graphite_can_represent_init): New.
1849         (graphite_can_represent_scev): Call graphite_can_represent_init:
1850         check that the initial value does not contain multiplications of
1851         parameters.
1852         (stmt_has_simple_data_refs_p): New.
1853         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1854         (is_simple_operand): Fix formatting.
1855         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1856
1857 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * testsuite/gcc.dg/graphite/id-13.c: New.
1860         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1861         analyze_scalar_evolution, use scalar_evolution_in_region.
1862         (scan_tree_for_params_right_scev): Add extra assert.
1863         (parameter_index_in_region_1): Split from parameter_index_in_region.
1864         (idx_record_params): Use scalar_evolution_in_region.
1865         (find_params_in_bb): Same.
1866         (find_scop_parameters): Same.
1867         (build_loop_iteration_domains): Same.
1868         (create_linear_expr_from_tree): Same.
1869         * sese.c (scalar_evolution_in_region): New.
1870         * sese.h (scalar_evolution_in_region): Declared.
1871         (defined_in_sese_p): New.
1872         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1873         static anymore.
1874         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1875         Declared.
1876
1877 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1880         TREE_DATA_REF_H also implies SCEV_H.
1881
1882 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1883
1884         * graphite-poly.c (print_scop_params): New.
1885         (print_scop): Call print_scop_params.
1886         (debug_scop_params): New.
1887         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1888
1889 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1890
1891         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1892         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1893         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1894         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1895         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1896         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1897
1898 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1899
1900         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1901         for dependency checking part.
1902         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1903         tests for dependency checking.
1904         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1905         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1906         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1907         flag -fdump-tree-graphite-all for autopar testsuites.
1908
1909 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1910
1911         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1912         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1913         canonicalize_loop_ivs): Moved...
1914         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1915
1916 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * tree-parloops.c (try_create_reduction_list): Pass an extra
1919         argument analyzed_reductions.  Call analyze_reduction_list.
1920         (gen_parallel_loop): Do not call analyze_reduction_list.
1921         (parallelize_loops): Init and finalize analyzed_reductions.
1922
1923 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1924
1925         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1926         Added flag -fno-loop-strip-mine for autopar testcase.
1927
1928 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1929
1930         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1931         transformed scattering dimension instead of unmatch orignal when
1932         calling dependence_polyhedron.
1933
1934 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1937
1938 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1941         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1942
1943 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1944
1945         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1946         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1947         * graphite-poly.c (pbb_number_of_iterations): New.
1948         * graphite-poly.h (pbb_number_of_iterations): Declared.
1949         (pbb_iterator_dim, pbb_parameter_dim): New.
1950
1951 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1954         last commit on type of lower and upper bound of loops.
1955
1956 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1957
1958         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1959         graphite-dependences.h.
1960         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1961         (mark_bb_with_pbb): New.
1962         (get_stmtfor_depth): New.
1963         (find_pbb_via_hash): New.
1964         (dependency_in_loop_p): New.
1965         (mark_loops_parallel): New.
1966         (free_aux_in_new_loops): New.
1967         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1968         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1969         innermost loop parallel without checking.
1970         (gloog): Add parameter BB_PBB_MAPPING.
1971         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1972         (gloog): Change declaration.
1973         (mark_loop_parallel): Make extern.
1974         (free_aux_in_new_loops): Declare.
1975         (bb_pbb_map_hash): New.
1976         (eq_bb_pbb_map): New.
1977         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1978         auto parallelization when flag_graphite_force_parallel is set.
1979         (graphite_finalize): Added free_aux_in_new_loops.
1980         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1981         the innermost loop that marked parallel.  Use
1982         flag_graphite_force_parallel instead of loop->can_be_parallel.
1983         (loop_parallel_p): Move inner most checking out of function.
1984
1985 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1988         type of lower and upper bound of loops signed long int.
1989
1990 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1993         expression outside the loop.
1994
1995 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         * gcc.dg/graphite/interchange-8.c: New.
1998
1999 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2000
2001         * gcc.dg/graphite/interchange-0.c: XFailed.
2002         * gcc.dg/graphite/interchange-5.c: XFailed.
2003         * gcc.dg/graphite/interchange-6.c: XFailed.
2004
2005 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * graphite-interchange.c (compute_array_size_poly): The end of the
2008         recursion should return 1.
2009
2010 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2011
2012         * graphite-interchange.c (compute_array_size_cstr): Allow the
2013         subscript multiplier to be -1.
2014         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2015         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2016         data_container.  Initializes PDR_DATA_CONTAINER.
2017         (print_pdr_access_layout): New.
2018         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2019         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2020         data_container.
2021         (PDR_DATA_CONTAINER): New.
2022         (new_poly_dr): Update declaration.
2023         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2024         (build_poly_dr): Call pdr_add_data_dimensions.
2025
2026 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2027
2028         * graphite-poly.h (struct poly_dr): Fix comment.
2029         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2030         (pdr_add_memory_accesses): New.
2031         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2032
2033 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2036         (print_pbb): Add call to print_pdrs.
2037         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2038
2039 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2040             Li Feng <nemokingdom@gmail.com>
2041
2042         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2043         (dependency_between_pbbs_p): New.
2044         (lexicographically_gt_p): Assure !empty_p before polyhedron
2045         intersection assign.
2046         (build_lexicographically_gt_constraint): Correct lexicographically
2047         judging.
2048         * graphite-dependences.h: New.
2049         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2050
2051 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2054         (gloog): Print to dump_file the generated clast.
2055         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2056         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2057
2058 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2059
2060         * graphite-poly.c (extend_scattering): Increment
2061         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2062
2063 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         * graphite-interchange.c (compute_array_size_poly): Added exit of
2066         recursion condition.  Continue iterating even after the first equality.
2067         (compute_array_size): Same.
2068
2069 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2070
2071         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2072         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2073         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2074         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2075         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2076
2077 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2080         only when the use verifies is_gimple_reg.
2081
2082 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2085         Allocate scaldims after call to unify_scattering_dimensions.
2086
2087 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2090
2091 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2092             Albert Cohen  <albert.cohen@inria.fr>
2093
2094         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2095         variables for the strip mining.
2096
2097 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2098             Pranav Garg  <pranav.garg2107@gmail.com>
2099
2100         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2101         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2102         (graphite-blocking.o): New rule.
2103         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2104         * graphite-blocking.c: New.
2105         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2106         flag_loop_strip_mine.
2107         (psct_scattering_dim_for_loop_depth): New.
2108         * graphite-poly.h (scop_do_strip_mine): Declared.
2109         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2110         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2111         flag_loop_strip_mine.
2112
2113 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2116         a GMP value and a PPL coefficient at each iteration of a loop.
2117
2118 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * graphite-dependences.c (dependence_polyhedron): Do not use
2121         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2122         pbb_nb_scattering_transform.
2123         (graphite_legal_transform_dr): Same.
2124         * graphite-poly.c (extend_scattering): Same.
2125         (unify_scattering_dimensions): Same.
2126         (print_scattering_function): Same.
2127         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2128         PBB_NB_LOCAL_VARIABLES.
2129         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2130         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2131         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2132         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2133         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2134         (pbb_nb_scattering_transform): New.
2135         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2136         (psco_scattering_dim): Add assert on parameters.
2137         (psct_scattering_dim): Same.
2138         (psct_scattering_dim_for_loop_depth): Declared.
2139         (psct_local_var_dim): New.
2140         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2141         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2142         correct layout, call pbb_nb_local_vars.
2143         (psct_add_local_variable, psct_add_scattering_dimension): New.
2144         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2145         Initialize PBB_NB_SCATTERING_TRANSFORM.
2146
2147 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2148
2149         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2150         (set_coef): Renamed ppl_set_coef.
2151         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2152
2153 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2154
2155         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2156         test a boolean against 1.
2157         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2158         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2159         (pbb_do_interchange): Returns true when a transform has been performed.
2160         (scop_do_interchange): Same.
2161         * graphite-poly.c (apply_poly_transforms): Use the return value of
2162         scop_do_interchange.
2163         * graphite-poly.h (scop_do_interchange): Update declaration.
2164
2165 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2166
2167         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2168         after last use.
2169         * sese.c (sese_reset_aux_in_loops): New.
2170         * sese.h (sese_reset_aux_in_loops): New.
2171
2172 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2175         multiplier and multiply the constant by the multiplier.
2176         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2177         (build_poly_dr): Do not use the multiplier to define the subscript.
2178
2179 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2182         compiler's data reference.  Initialize PDR_CDR.
2183         (print_pdr): Call dump_data_reference.
2184         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2185         Add compiler_dr field.
2186         (PDR_BB): Renamed PDR_PBB.
2187         (PDR_CDR): New.
2188         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2189         GCC's data reference representation.
2190         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2191         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2192
2193 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-poly.c (print_scattering_function): Also print the layout.
2196         * graphite-poly.h (pbb_nb_local_vars): New.
2197
2198 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2201
2202 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         * graphite-poly.c (print_pdr, debug_pdr): New.
2205         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2206         (PDR_BASE): Removed.
2207
2208 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2209
2210         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2211         ltrans-{1..6,8}.c.
2212
2213 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2216         subscript identification column.
2217         (pbb_do_interchange): Print to dump_file that some loops "will be
2218         interchanged".  Rely on that chain of characters in the testcases.
2219         * gcc.dg/graphite/interchange-0.c: New.
2220         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2221         interchange-*.c files and compile them with -floop-interchange.
2222
2223 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2224
2225         * graphite-interchange.c (interchange_profitable_p): Renamed
2226         pbb_interchange_profitable_p.
2227
2228 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2229             Harsha Jagasia  <harsha.jagasia@amd.com>
2230             Pranav Garg  <pranav.garg2107@gmail.com>
2231
2232         * graphite-interchange.c (interchange_profitable_p): Make static.
2233         (pbb_interchange_loop_depths, pbb_do_interchange,
2234         scop_do_interchange): New.
2235         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2236         for flag_loop_interchange.
2237         * graphite-poly.h (scop_do_interchange): Declared.
2238         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2239         flag_loop_interchange is used.
2240
2241 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * graphite-dependences.c (dependence_polyhedron): Update use of
2244         pbb_nb_scattering_dims.
2245         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2246         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2247         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2248         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2249
2250 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         * graphite.c: Cleanup foo.
2253
2254 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * Merge from mainline (r143684:148293).
2257         * Disabled libpcp until it gets fixed.
2258
2259 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2260             Harsha Jagasia  <harsha.jagasia@amd.com>
2261
2262         * graphite-interchange.c: New.
2263         * Makefile.in (graphite-interchange.o): New.
2264         * graphite-poly.h (interchange_profitable_p): Declared.
2265         * graphite-ppl.h (value_max): New.
2266
2267 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2270         * graphite-poly.h: Fix some comments.
2271         (pdr_dim): New.
2272         (pdr_scop): New.
2273
2274 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * graphite-poly.h
2277         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2278         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2279         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2280         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2281         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2282         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2283         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2284         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2285         * graphite-clast-to-gimple.c: Same.
2286         * graphite-dependences.c: Same.
2287         * graphite-poly.c: Same.
2288         * graphite-sese-to-poly.c: Same.
2289
2290 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2293         expressions for an IV rename, as returned by clast_to_gcc_expression.
2294         (copy_renames): Rename new_name to expr.
2295         * sese.c (debug_rename_elt): Same.
2296         (get_rename): Same.
2297         (set_rename): Same.
2298         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2299         the information from the rename map.
2300         (rename_variables_in_stmt): Same.
2301         (add_loop_exit_phis): Rename new_name to expr.
2302         (insert_loop_close_phis): Same.
2303         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2304         * sese.h (struct rename_map_elt): Rename new_name to expr.
2305         (new_rename_map_elt): Same.
2306
2307 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2308
2309         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2310         * sese.c (set_rename): Make it extern.
2311         * sese.h (set_rename): Declared.
2312
2313 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2314
2315         * graphite-poly.c (extend_scattering): Free values.
2316         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2317         Free iterators.
2318         (ppl_print_powerset_matrix): Same.
2319         * graphite-scop-detection.c (free_scops_1): New.
2320         (limit_scops): Call free_scops_1.
2321         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2322         (build_poly_dr): Free PPL coefficients.
2323         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2324
2325 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2326
2327         * graphite-dependences.c: New.
2328         * graphite-data-ref.c: Removed.
2329         * graphite-data-ref.h: Removed.
2330         * Makefile.in (graphite-data-ref.o): Removed.
2331         (graphite-dependences.o): Added.
2332         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2333         * graphite-poly.c: Same.
2334         Move the data dependence testing to graphite-dependences.c.
2335
2336 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2337
2338         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2339         from graphite_cannot_represent_loop. Code refactored.
2340         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2341
2342 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2343
2344         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2345         Cover all the testcases (not only the filtered ones).
2346
2347 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2348
2349         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2350         unnecessary check. Update comments. Move check for REAL_TYPE here.
2351         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2352         done in (stmt_simple_for_scop_p).
2353
2354 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2355
2356         * graphite.c (print_global_statistics): New.
2357         (print_graphite_scop_statistic): New.
2358         (print_graphite_statistics): New.
2359         (graphite_initialize, graphite_transform_loops): Print statistics.
2360         * graphite-scop-detection (build_scops): Print statistics.
2361         (print_graphite_scop_statistics): New.
2362         (print_graphite_statistics): New.
2363
2364 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2367         (debug_clast_name_index): Removed.
2368         (debug_clast_name_indexes_1): Removed.
2369         (debug_clast_name_indexes): Removed.
2370         (clast_name_index_elt_info): Removed.
2371         (eq_clast_name_indexes): Removed.
2372         (clast_name_to_index): Removed.
2373         (new_clast_name_index): Removed.
2374         (save_clast_name_index): Removed.
2375         (save_var_name): Moved...
2376         (init_sese_params_index): Removed.
2377         (clast_name_to_gcc): Remove use of name_tree.
2378         (initialize_cloog_names): Same.
2379         (gloog): Do not call init_sese_params_index.
2380         * graphite-sese-to-poly.c (save_var_name): ...here.
2381         (parameter_index_in_region): New.
2382         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2383         (parameter_index_in_region): Removed.
2384         (is_parameter): Remove use of name_tree.
2385         * sese.h (struct name_tree): Removed.
2386         (struct sese): Remove use of name_tree.  New field params_names.
2387         (SESE_PARAMS_NAMES): New.
2388         (SESE_PARAMS): Remove duplicate.
2389         (parameter_index_in_region): Removed.
2390         (sese_nb_params): Remove use of name_tree.
2391         (struct clast_name_index): New.
2392         (new_clast_name_index): New.
2393         (clast_name_to_index): New.
2394         (save_clast_name_index): New.
2395         (debug_clast_name_index): New.
2396         (debug_clast_name_indexes_1): New.
2397         (debug_clast_name_indexes): New.
2398         (clast_name_index_elt_info): New.
2399         (eq_clast_name_indexes): New.
2400
2401 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2404         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2405         (graphite_loop_normal_form): Do not pass region.  Do not
2406         initialize SESE_OLDIVS.
2407         (build_graphite_loop_normal_form): Update call to
2408         graphite_loop_normal_form.
2409         * sese.c (debug_oldivs): Removed.
2410         (new_sese): Do not initialize SESE_OLDIVS.
2411         (free_sese): Do not free SESE_OLDIVS.
2412         (oldiv_for_loop): Removed.
2413         * sese.h (struct sese): Remove old_ivs.
2414         (SESE_OLDIVS): Removed.
2415         (oldiv_for_loop): Removed.
2416
2417 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2420         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2421         replaced by a call to newivs_to_depth_to_newiv.
2422         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2423         (clast_to_gcc_expression_red): Same.
2424         (gcc_type_for_clast_expr): Same.
2425         (gcc_type_for_clast_eq): Same.
2426         (graphite_translate_clast_equation): Same.
2427         (graphite_create_guard_cond_expr): Same.
2428         (graphite_create_new_guard): Same.
2429         (graphite_create_new_loop): Same.
2430         (build_iv_mapping): Same.
2431         (translate_clast): Same.
2432         (gloog): Same.
2433         (loop_iv_stack_patch_for_consts): Removed.  *
2434         sese.c (iv_stack_entry_is_constant): Removed.
2435         (iv_stack_entry_is_iv): Removed.
2436         (loop_iv_stack_push_iv): Removed.
2437         (loop_iv_stack_insert_constant): Removed.
2438         (loop_iv_stack_pop): Removed.
2439         (loop_iv_stack_get_iv): Removed.
2440         (loop_iv_stack_get_iv_from_name): Removed.
2441         (debug_loop_iv_stack): Removed.
2442         (free_loop_iv_stack): Removed.
2443         (loop_iv_stack_remove_constants): Removed.  *
2444         sese.h (iv_stack_entry_kind): Removed.
2445         (iv_stack_entry_data_union): Removed.
2446         (iv_stack_entry_struct): Removed.
2447         (iv_stack_entry_p): Removed.
2448         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2449         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2450         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2451         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2452         (gbb_loop_at_index): Fix indenting.
2453         (gbb_loop_index): Removed.
2454
2455 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2458         Call clast_name_to_index.
2459
2460 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2463         do not pass params.  Get params from SESE_PARAMS.
2464         (clast_to_gcc_expression): Same.
2465         (clast_to_gcc_expression_red): Same.
2466         (gcc_type_for_clast_eq): Same.
2467         (graphite_translate_clast_equation): Same.
2468         (graphite_create_new_loop): Same.
2469         * sese.c (rename_variables_in_stmt): Fix comment.
2470
2471 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2474         newivs_index.
2475         Call save_clast_name_index.
2476         (translate_clast): Pass newivs_index.
2477         (gloog): Create and free newivs_index.
2478
2479 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2482         (clast_name_index_p): New type.
2483         (debug_clast_name_index): New.
2484         (debug_clast_name_indexes_1): New.
2485         (debug_clast_name_indexes): New.
2486         (clast_name_index_elt_info): New.
2487         (eq_clast_name_indexes): New.
2488         (clast_name_to_index): New.
2489         (new_clast_name_index): New.
2490         (save_clast_name_index): New.
2491         (init_sese_params_index): New.
2492         (gloog): Call init_sese_params_index.
2493         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2494         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2495         (free_sese): Free SESE_PARAMS_INDEX.
2496         * sese.h (struct sese): Add params_index.
2497         (SESE_PARAMS_INDEX): New.
2498
2499 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2502         (graphite_create_new_loop): Pass the newivs vector.  Push the
2503         newly created IV to newivs.
2504         (translate_clast): Pass the newivs vector.
2505         (gloog): Create and destroy the newivs vector.
2506
2507 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2510         (graphite_loop_normal_form): Initialize loop->aux with the unique
2511         IV that has been created.
2512
2513 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2514
2515         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2516         scev with parameters in the base part. They where forbidden
2517         exidently.
2518
2519 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2520
2521         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2522         compile options by file names.
2523         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2524         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2525         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2526         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2527
2528 2009-05-08  Li Feng <nemokingdom@gmail.com>
2529
2530         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2531         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2532         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2533         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2534
2535 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2536
2537         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2538         by final cleanup.
2539
2540 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2541
2542         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2543         allow integer constant strides.
2544         (graphite_can_represent_expr): Depend on outermost_loop.
2545         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2546         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2547         build_scops_1): Same.
2548         (scopdet_basic_block_info): Same and insert layered SCoP
2549         detection.
2550         (try_generate_gimple_bb): Cleanup.
2551         (build_scops): Enable data references.
2552
2553         * testsuite/gcc.dg/graphite/id-5.c: New.
2554         * testsuite/gcc.dg/graphite/id-9.c: New.
2555         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2556         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2557
2558 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2559
2560         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2561         that we have not yet built for this SCoP.
2562
2563 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2564
2565         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2566         for complex numbers.
2567
2568 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2569
2570         * graphite-ppl.c: Fix build if cloog is not available.
2571
2572 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2573
2574         * tree-parloops.c (loop_parallel_p): Remove construction of
2575         NITER and REDUCTION_LIST.
2576         (try_get_loop_niter): New.
2577         (try_create_reduction_list): New.
2578         (parallelize_loops): Bypass the failed checkings in autopar
2579         when can_be_parallel in loop structure is set to true.
2580
2581 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2582
2583         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2584         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2585
2586 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2587
2588         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2589         Enable EQ_EXPR and NE_EXPR again.
2590
2591 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2592
2593         * graphite-scop-detection.c (graphite_can_represent_scev):
2594         Add check if scev is affine multivariate.
2595         (harmful_stmt_in_bb): Check if we can represent the conditions.
2596         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2597         harmful_stmt_in_bb.
2598         * testsuite/gcc.dg/graphite/id-7.c: New.
2599
2600 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2601
2602         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2603         Check all bbs in region, not only the bbs that are represented in
2604         GRAPHITE.
2605         (build_poly_scop): Add newline.
2606         * testsuite/gcc.dg/graphite/id-8.c: New.
2607
2608 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2609
2610         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2611         when loop initialize.
2612         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2613         * common.opt: Declare flag_graphite_force_parallel.
2614         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2615         loop parallel.
2616         * graphite-poly.c (apply_poly_transforms): Introduce
2617         flag_graphite_force_parallel.
2618         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2619         * toplev.c (process_options): ditto and replace a not correctly
2620         encoded space.
2621
2622 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2623
2624         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2625         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2626         to the redefinition.
2627         (compute_cloog_iv_types_1): ditto.
2628         (build_iv_mapping): ditto.
2629         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2630         initialization.
2631         (free_gimple_bb): Removed GBB_LOOPS related free part.
2632         (build_bb_loops): Removed.
2633         * sese.h (struct gimple_bb): Removed loops.
2634         (GBB_LOOPS): Removed.
2635         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2636         (gbb_loop_index): ditto.
2637
2638 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2639
2640         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2641         allow non constant strides.
2642         * testsuite/gcc.dg/graphite/scop-20.c: New.
2643
2644 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * graphite-scop-detection.c (dot_all_scops): Fix system call
2647         return value warning.
2648         (dot_scop): Same.
2649
2650 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2653         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2654
2655 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2656
2657         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2658         build_pairwise_constraint, dr_equality_constraints,
2659         build_pairwise_scheduling_equality,
2660         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2661         build_lexicographically_gt_constraint, dependence_polyhedron,
2662         graphite_legal_transform_dr, graphite_legal_transform_bb,
2663         graphite_legal_transform): New.
2664         * graphite-poly.h (graphite_legal_transform): Declared.
2665         * graphite-sese-to-poly.c (build_poly_scop): Call to
2666         graphite_legal_transform is disabled for the moment.
2667
2668 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         * graphite-poly.h (pbb_nb_scattering_dims): New.
2671         (pbb_nb_scattering): Use it.
2672
2673 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2676         Pointset_Powerset version of ppl_insert_dimensions.
2677         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2678
2679 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2680
2681         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2682
2683 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-poly.h: Fix comment.
2686
2687 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2690
2691 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2692
2693         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2694         statements.
2695
2696 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2697
2698         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2699         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2700         conditions.
2701
2702 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2705         handle EQ_EXPR and NE_EXPR.
2706
2707 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2708
2709         * graphite-poly.h (poly_dr): Fix comment.
2710
2711 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2712             Tobias Grosser  <grosser@fim.uni-passau.de>
2713
2714         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2715         with a zero dimension polyhedron.
2716         (find_scop_parameters): Move the call to scop_set_nb_params here.
2717         (build_loop_iteration_domains): Store in loop->aux the iteration
2718         domain polyhedron.
2719         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2720         by any loop in scop.
2721         (build_poly_scop): Do not call scop_set_nb_params.
2722
2723 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2724             Tobias Grosser  <grosser@fim.uni-passau.de>
2725
2726         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2727         add_condition_to_domain not GT_EXPR.
2728
2729 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2730
2731         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2732         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2733         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2734         upper_bound_assign to calculate unions.
2735         * testsuite/gcc.dg/graphite/id-6.c: New.
2736
2737 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2738
2739         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2740         handle abnormal edges.
2741
2742 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2743
2744         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2745         (free_poly_bb): Also free poly_drs.
2746         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2747         (poly_dr): Polyhedron to Pointset_Powerset.
2748         (pdr_accessp_nb_subscripts): Same.
2749         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2750         poly_drs.
2751
2752 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2755         names into more meaningful names.
2756
2757 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2758
2759         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2760         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2761
2762 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2765         the reduction_list.
2766         * tree-parloops.c (rewrite_phi_with_iv): New.
2767         (rewrite_all_phi_nodes_with_iv): New.
2768         (canonicalize_loop_ivs): Call them.
2769
2770 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2773         graphite_find_data_references_in_stmt.
2774         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2775         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2776
2777 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2780
2781 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2784         instead of bb_in_region.
2785         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2786         (build_sese_conditions): Use flag_bb_in_sese.
2787         * sese.c (register_bb_in_sese): Removed.
2788         (new_sese): Remove initialization of SESE_REGION_BBS.
2789         (free_sese): Do not free SESE_REGION_BBS.
2790         * sese.h (struct sese): Remove field region_basic_blocks.
2791         (SESE_REGION_BBS): Removed.
2792         (bb_in_sese_p): Implement in function of bb_in_region.
2793
2794 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2797         loops.
2798
2799 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2800
2801         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2802         and EQ_EXPR.
2803         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2804         (add_condition_to_domain): New.
2805         (add_condition_to_pbb): New.
2806         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2807         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2808
2809 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2810
2811         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2812         ppl_Pointset_Powerset.
2813         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2814         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2815         (pbb_nb_loops): Same.
2816         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2817         add_conditions_to_domain): Same.
2818         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2819         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2820         ppl_const_Polyhedron_t.
2821         (ppl_print_powerset_matrix): New.
2822         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2823         ppl_print_powerset_matrix): New.
2824         (ppl_print_polyhedron_matrix): Updated.
2825
2826 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2829
2830 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2831
2832         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2833         (print_iteration_domains, debug_iteration_domain,
2834         debug_iteration_domains): New.
2835         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2836         debug_iteration_domains): Declared.
2837         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2838         indenting.
2839
2840 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2841             Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-poly.h (print_iteration_domain): New.
2844         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2845         (build_sese_conditions_1, build_sese_conditions_after,
2846         build_sese_conditions_before): New.
2847         (build_sese_conditions): Rewritten.
2848
2849 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2850             Tobias Grosser  <grosser@fim.uni-passau.de>
2851
2852         Cleanup of code generation liveouts.
2853         * graphite-clast-to-gimple.c (translate_clast): Use a single
2854         rename_map instead of one per translated statement.
2855         Do not use SESE_LIVEOUT_RENAMES.
2856         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2857         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2858         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2859         phi node of a reduction: when a loop contains a reduction used outside
2860         the loop, there should be a scalar close phi node on the exit block.
2861         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2862         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2863         (free_sese): Do not free them.
2864         (sese_build_liveouts_use): Do not use them.
2865         (sese_build_liveouts_bb): Same.
2866         (sese_build_liveouts): Same.
2867         (sese_insert_phis_for_liveouts): Same.
2868         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2869         (defined_in_loop_p): New.
2870         (alive_after_loop): New.
2871         (close_phi_not_yet_inserted_p): New.
2872         (struct alep, alep_p): New.
2873         (add_loop_exit_phis): Remove from the rename_map all the names defined
2874         in the code generated loop.
2875         (insert_loop_close_phis): Traverse the rename_map passed to it.
2876         Don't use SESE_LIVEOUT_RENAMES.
2877         (default_liveout_before_guard): Renamed default_before_guard.
2878         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2879         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2880         (register_sese_liveout_renames): Removed.
2881         (copy_bb_and_scalar_dependences): Do not call it.
2882         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2883         reduction_list.
2884         (SESE_LIVEOUT): Removed.
2885         (SESE_LIVEOUT_RENAMES): Removed.
2886         (SESE_REDUCTION_LIST): Removed.
2887         (sese_build_liveouts): Removed.
2888         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2889         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2890         (insert_guard_phis): Same.
2891         (rename_map_elt): Declare a VEC of them.
2892         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2893         trees not pointers to trees.
2894
2895         Rewrite in canonical close SSA form:
2896         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2897         (limit_scops): Close the scop after the block containing the close phi
2898         nodes.
2899         (canonicalize_loop_closed_ssa): New.
2900         (canonicalize_loop_closed_ssa_form): New.
2901         (build_scops): Call canonicalize_loop_closed_ssa_form.
2902
2903         * graphite-sese-to-poly.c: Fix typos.
2904
2905 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2908         Extended.
2909         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2910         (print_pbb): Add conditions.
2911
2912 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2913             Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2916         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2917         (build_scop_bbs_1): New.
2918         (build_scop_bbs): Rewrite.
2919         * sese.h (bb_in_region): New.
2920
2921 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2922
2923         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2924         poly_drs vector.
2925         (print_scop): Style.
2926         * graphite-poly.h (poly_bb): Add drs vector.
2927         (PBB_DRS): Add accessor.
2928         * graphite-sese-to-poly.c (build_poly_dr): New.
2929         (build_pbb_drs, build_scop_drs): New.
2930         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2931
2932 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2933
2934         * tree-ssa-loop.c: Include forgotten toplev.h
2935
2936 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2937
2938         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2939         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2940         * testsuite/gcc.dg/graphite/pr37928.c: Same
2941         * testsuite/gcc.dg/graphite/pr38409.c: Same
2942         * testsuite/gcc.dg/graphite/pr38498.c: Same
2943         * testsuite/gcc.dg/graphite/pr38559.c: Same
2944         * testsuite/gcc.dg/graphite/pr39335.c: Same
2945         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2946         * testsuite/gfortran.dg/graphite/block-2.f: Same
2947         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2948         with -floop-*.
2949
2950 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2951
2952         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2953         build_access_matrix, build_scop_data_accesses): Remove access function
2954         building. (We get a new version soon).
2955         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2956         * sese.h (nb_loops_around_loop_in_sese): Remove.
2957         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2958
2959 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2960             Sebastian Pop  <sebastian.pop@amd.com>
2961
2962         * graphite-scop-detection.c (struct scopdet_info): Rename last
2963         field to exit.
2964         (scopdet_basic_block_info, build_scops_1): Don't use
2965         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2966
2967 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2968             Sebastian Pop  <sebastian.pop@amd.com>
2969
2970         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2971         * sese.c (sese_build_liveouts_use): Renamed from
2972         sese_build_livein_liveouts_use. Remove liveins.
2973         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2974         Call sese_build_liveouts_use.
2975         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2976         Call sese_build_liveouts_bb.
2977         (new_sese, free_sese): Remove liveins.
2978         (sese_add_exit_phis_var): Deleted.
2979         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2980         directly.
2981         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2982
2983         * sese.h (sese): Remove num_ver and livein.
2984         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2985
2986 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2987
2988         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2989
2990 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2993         (build_scop_scattering): Do not use compare_prefix_loops any more.
2994         (nb_common_loops): New.
2995
2996 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2999         (register_old_and_new_names): Renamed set_rename.
3000
3001 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3004         of the decl from the previous commit.
3005
3006 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         * graphite-scop-detection.c (dot_scop): New.
3009         * graphite-scop-detection.h (dot_scop): Declared.
3010
3011 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3014
3015 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3018         condition at the end of the loop.
3019         * graphite.c (graphite_initialize, graphite_finalize): Print to
3020         dump_file the compiled function.
3021         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3022         of create_empty_loop_on_edge.
3023         (translate_clast): Update the code generation of loops for the new
3024         shape of loops.
3025         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3026
3027 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         Reverted the patch from 2009-03-19.
3030
3031 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3032
3033         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3034         poly_drs vector.
3035         (print_scop): Style.
3036         * graphite-poly.h (poly_bb): Add drs vector.
3037         (PBB_DRS): Add accessor.
3038         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3039         (build_access_matrix_with_af, build_access_matrix,
3040         build_scop_data_accesses): Delete.
3041         (build_poly_dr): New.
3042         (build_pbb_drs, build_scop_drs): New.
3043         (build_poly_scop): call build_scop_drs.
3044
3045 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3046
3047         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3048         once per basic block.
3049
3050 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3051
3052         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3053         (graphite_can_represent_expr): Renamed from loop_affine_expr
3054         and enhanced.
3055         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3056         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3057         (scopdet_basic_block_info): Actually define entry_block.
3058         (stmt_simple_memref_p): Moved here from ...
3059
3060         * tree-data-ref.c (stmt_simple_memref_p): here.
3061         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3062
3063 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3064
3065         * testsuite/gcc.dg/graphite/id-4.c: New.
3066
3067 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3068
3069         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3070         (register_old_and_new_names): Update the content of the map.
3071         When there was already a rename_map_elt in the map at that
3072         location, free it.
3073         (copy_bb_and_scalar_dependences): Do rename_variables after
3074         expand_scalar_variables.
3075         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3076         of the map.  When there was already a rename_map_elt in the
3077         map at that location, free it.
3078         (translate_clast): Pass the rename_map.  Do not initialize and free
3079         a rename_map per stmt_user.
3080         (gloog): Initialize and free one rename_map and pass it to
3081         translate_clast.
3082
3083 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         * sese.c (expand_scalar_variables_stmt,
3086         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3087         parameter.
3088         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3089         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3090         the gimple_stmt_iterator of the statement to be expanded.
3091         * graphite-scop-detection.c (is_simple_operand): Do handle
3092         REALPART_EXPR.
3093
3094 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3095
3096         * graphite-scop-detection.c (is_simple_operand): Do not handle
3097         REALPART_EXPR.
3098         * testsuite/gcc.dg/graphite/id-2.c: New.
3099
3100         * graphite-sese-to-poly.c (build_bb_loops,
3101         add_value_to_dim, scan_tree_for_params_right_scev,
3102         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3103         find_params_in_bb, build_loop_iteration_domains,
3104         add_conditions_to_domain): Remove subtract.
3105
3106 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3107
3108         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3109         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3110         pbb_loop_at_index -> gbb_loop_at_index.
3111         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3112         (debug_loop_vec): Delete.
3113         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3114         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3115         (PBB_LOOPS): Removed.
3116         (PBB_BLACK_BOX): Insert cast.
3117         (pbb_set_black_box): New setter.
3118         (pbb_loop_at_index, pbb_loop_index): Removed.
3119         (scop_set_region, scop_set_nb_params): New.
3120         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3121         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3122         (build_poly_scop): Use scop_set_nb_params.
3123         * sese.h (gimple_bb): Add LOOPS.
3124         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3125
3126 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3127
3128         Revert previous commit.
3129
3130 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3131
3132         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3133         (register_old_and_new_names): Update the content of the map.
3134         When there was already a rename_map_elt in the map at that
3135         location, free it.
3136         (copy_bb_and_scalar_dependences): Do rename_variables after
3137         expand_scalar_variables.
3138         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3139         of the map.  When there was already a rename_map_elt in the
3140         map at that location, free it.
3141         (translate_clast): Pass the rename_map.  Do not initialize and free
3142         a rename_map per stmt_user.
3143         (gloog): Initialize and free one rename_map and pass it to
3144         translate_clast.
3145
3146 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         Remove forgotten line in revert.
3149
3150 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3151
3152         Revert previous commit.
3153
3154 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         * sese.c (register_old_and_new_names): Update the content
3157         of the map.  When there was already a rename_map_elt in the
3158         map at that location, free it.
3159         (copy_bb_and_scalar_dependences): Do rename_variables after
3160         expand_scalar_variables.
3161         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3162         of the map.  When there was already a rename_map_elt in the
3163         map at that location, free it.
3164         (translate_clast): Pass the rename_map.  Do not initialize and free
3165         a rename_map per stmt_user.
3166         (gloog): Initialize and free one rename_map and pass it to
3167         translate_clast.
3168
3169 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * graphite-clast-to-gimple.c (translate_clast): context_loop
3172         is never NULL.
3173
3174 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3175             Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3178         of the use of ppl_Polyhedron_map_space_dimensions.
3179
3180 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3181             Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3184         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3185         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3186         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3187         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3188         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3189         pbb_nb_params): New.
3190         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3191         nb_loops_around_pbb): Adapt return types.
3192
3193 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3194
3195         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3196         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3197         graphite-scop-detection.o, graphite-poly.o): Add
3198         more headers.
3199
3200 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3201
3202         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3203         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3204         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3205
3206 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3209         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3210         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3211         * testsuite/gcc.dg/graphite/block-0.c: Same.
3212         * testsuite/gcc.dg/graphite/block-1.c: Same.
3213         * testsuite/gcc.dg/graphite/block-2.c: Same.
3214         * testsuite/gcc.dg/graphite/block-3.c: Same.
3215         * testsuite/gcc.dg/graphite/block-4.c: Same.
3216         * testsuite/gcc.dg/graphite/block-5.c: Same.
3217         * testsuite/gcc.dg/graphite/block-6.c: Same.
3218         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3219         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3220         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3221         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3222         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3223         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3224         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3225         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3226         * opts.c: Remove -floop-block from -O2.
3227         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3228         -floop-strip-mine are used.
3229
3230 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3231             Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3234         dimensions.
3235         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3236         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3237         strip_mine_profitable_p, is_interchange_valid,
3238         graphite_trans_bb_block, graphite_trans_loop_block,
3239         graphite_trans_scop_block): Temporary removed.
3240         (extend_scattering, unify_scattering_dimensions): New.
3241         (print_scattering_function, graphite_read_transforms):
3242         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3243         (graphite_generate_scattering_fns): Removed.
3244         (apply_poly_transforms): Cleanup.
3245         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3246         (schedule_to_scattering): Moved.
3247         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3248         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3249         (pbb_nb_scattering): New.
3250         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3251         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3252         Removed.
3253         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3254         shift_poly.
3255         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3256         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3257         -> PBB_TRANSFORMED_SCATTERING.
3258         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3259         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3260         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3261         (check_poly_representation): Do not return bool.
3262         (graphite_transform_loops): Reformat.
3263         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3264
3265 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3268         debug_pbb_domain, debug_pbb, debug_scop): New.
3269         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3270         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3271
3272 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3273
3274         PR middle-end/39335
3275         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3276         when the type precision of the induction variable should be
3277         larger than the type precision of nit.
3278         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3279         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3280         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3281
3282         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3283         * testsuite/gcc.dg/graphite/pr39335.c: New.
3284
3285 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3286
3287         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3288         SSA_NAMES not struct reduction_info.
3289
3290 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3293
3294 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3295             Tobias Grosser  <grosser@fim.uni-passau.de>
3296
3297         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3298         (free_sese): Free SESE_REDUCTION_LIST.
3299         * sese.h (struct sese): Add field reduction_list.
3300         (SESE_REDUCTION_LIST): New.
3301         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3302         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3303
3304 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3305             Tobias Grosser  <grosser@fim.uni-passau.de>
3306
3307         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3308         of loop_p.
3309
3310 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3311             Tobias Grosser  <grosser@fim.uni-passau.de>
3312
3313         * tree-parloops.c (struct brli, build_reduction_list_info,
3314         analyze_reduction_list, gather_scalar_reductions): New.
3315         (loop_parallel_p): Build a reduction list containing only
3316         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3317         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3318         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3319         * tree-flow.h (gather_scalar_reductions): Declared.
3320
3321 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3322
3323         PR middle-end/39308
3324         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3325         number_of_iterations_exit from a gcc_assert.
3326
3327 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3328             Jan Sjodin  <jan.sjodin@amd.com>
3329
3330         * output.h (graphite_out_file, graphite_in_file): Declared.
3331         * toplev.c (graphite_out_file, graphite_in_file): New.
3332         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3333         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3334         Don't call schedule_to_scattering.
3335         * common.opt (fgraphite-write, fgraphite-read): New.
3336         * graphite-poly.c: Include output.h.
3337         (print_scattering_function, print_scattering_functions,
3338         debug_scattering_function, debug_scattering_functions,
3339         graphite_write_transforms, graphite_read_transforms,
3340         graphite_generate_scattering_fns): New.
3341         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3342         Call graphite_generate_scattering_fns, graphite_write_transforms,
3343         graphite_read_transforms.
3344         (new_poly_bb): Initialize PBB_SCATTERING.
3345         (free_poly_bb): Free PBB_SCATTERING.
3346         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3347         * graphite-poly.h (struct poly_bb): Add field scattering.
3348         (PBB_SCATTERING): New.
3349         (print_scattering_function, print_scattering_functions,
3350         debug_scattering_function, debug_scattering_functions): Declared.
3351         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3352         GMP values, not integers!
3353         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3354         ppl_read_polyhedron_matrix): New.
3355         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3356         debug_ppl_polyhedron_matrix,
3357         ppl_read_polyhedron_matrix): Declared.
3358         * Makefile.in (graphite-poly.o): Depends on output.h.
3359
3360 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3361             Tobias Grosser  <grosser@fim.uni-passau.de>
3362
3363         Revert this change:
3364         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3365         scalar evolutions in the scop_entry->loop_father.
3366
3367 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3368             Tobias Grosser  <grosser@fim.uni-passau.de>
3369
3370         * graphite.h (ref_nb_loops): Remove declaration.
3371         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3372         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3373         debug_gbb): Moved to sese.h.
3374         * sese.h: As said.
3375
3376 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3377             Tobias Grosser  <grosser@fim.uni-passau.de>
3378
3379         * graphite-data-ref.[ch]: Disable.
3380
3381 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3382             Tobias Grosser  <grosser@fim.uni-passau.de>
3383
3384         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3385         scalar evolutions in the scop_entry->loop_father.
3386
3387 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3390         (graphite_cannot_represent_loop_niter): Renamed
3391         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3392         (limit_scops): build_sese_loop_nests does not return a bool.
3393         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3394         * sese.c (nb_reductions_in_loop): ... from here.
3395         (graphite_loop_normal_form): ... from here.
3396         (sese_record_loop): Does not fail, so does not return a bool.
3397         (build_sese_loop_nests): Same.
3398         * sese.h (build_sese_loop_nests): Update declaration.
3399         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3400         (build_graphite_loop_normal_form): New.
3401         (gloog): Call build_graphite_loop_normal_form.
3402         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3403         build_sese_loop_nests.
3404
3405         * testsuite/gcc.dg/graphite/id-1.c: New.
3406
3407 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3408             Tobias Grosser  <grosser@fim.uni-passau.de>
3409
3410         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3411         The SCoP detection fix is sufficient.
3412
3413 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         PR tree-optimization/39260
3416         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3417         the basic block contains a condition with a real type.
3418         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3419
3420         * gcc.dg/graphite/pr39260.c: New.
3421
3422 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         * graphite-poly.c: Inlcude params.h.
3425         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3426         the size of a tile.
3427         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3428         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3429
3430 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3431             Tobias Grosser  <grosser@fim.uni-passau.de>
3432
3433         * graphite-scop-detection.c (dot_all_scops_1,
3434         dot_all_scops): Moved here.
3435         * graphite-scop-detection.h (dot_all_scops): Declared here.
3436         * graphite.c (graphite_initialize, graphite_finalize): New.
3437         (graphite_transform_loops): Cleaned up.
3438         * sese.c (debug_oldivs): Moved here.
3439         * graphite-poly.c (graphite_apply_transformations): Renamed
3440         apply_poly_transforms.
3441         (debug_loop_vec): Moved here.
3442         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3443         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3444         find_scop_parameters, build_scop_iteration_domain,
3445         add_conditions_to_constraints, build_scop_canonical_schedules,
3446         build_scop_data_accesses): Now static.
3447         (build_poly_scop, check_poly_representation): New.
3448
3449 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3450
3451         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3452         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3453         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3454         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3455         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3456         scan_tree_for_params, struct irp_data, dx_record_params,
3457         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3458         build_loop_iteration_domains, add_conditions_to_domain,
3459         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3460         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3461         build_sese_conditions, add_conditions_to_constraints,
3462         build_scop_iteration_domain, build_access_matrix_with_af,
3463         build_access_matrix,
3464         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3465
3466         * graphite-sese-to-poly.c: New.
3467         * graphite-sese-to-poly.h: New.
3468
3469         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3470
3471 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * graphite.c: Split graphite code generation to a new file.
3474         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3475         max_precision_type, clast_to_gcc_expression_red,
3476         clast_to_gcc_expression, gcc_type_for_clast_expr,
3477         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3478         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3479         graphite_create_new_guard, clast_get_body_of_loop,
3480         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3481         graphite_create_new_loop, build_iv_mapping, copy_renames,
3482         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3483         compute_cloog_iv_types, free_scattering, save_var_name,
3484         initialize_cloog_names, build_scop_context, build_cloog_prog,
3485         set_cloog_options, debug_clast_stmt, scop_to_clast,
3486         print_generated_program, debug_generated_program,
3487         gloog): Moved to graphite-clast-to-gimple.c.
3488
3489         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3490
3491         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3492         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3493         loop_iv_stack_pop, loop_iv_stack_get_iv,
3494         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3495         free_loop_iv_stack, loop_iv_stack_remove_constants,
3496         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3497         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3498         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3499         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3500         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3501         get_vdef_before_sese, sese_adjust_vphi,
3502         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3503         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3504         is_iv, expand_scalar_variables_ssa_name,
3505         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3506         expand_scalar_variables, rename_variables, remove_condition,
3507         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3508         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3509         default_liveout_before_guard, add_guard_exit_phis,
3510         insert_guard_phis, register_old_and_new_names,
3511         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3512         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3513         if_region_set_false_region, create_if_region_on_edge,
3514         move_sese_in_condition): Moved to sese.c.
3515
3516         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3517         if_region_exit, if_region_get_condition_block,
3518         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3519         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3520         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3521         ivtype_map_elt, new_ivtype_map_elt,
3522         recompute_all_dominators): Moved to sese.h.
3523
3524         * graphite-clast-to-gimple.c: New.
3525         * graphite-clast-to-gimple.h: New.
3526         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3527         * sese.c: Modified as said above.
3528         * sese.h: Same.
3529
3530 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * graphite.c: Split scop detection to a new file.
3533         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3534         move_sd_regions, loop_affine_expr, exclude_component_ref,
3535         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3536         graphite_cannot_represent_loop_niter, struct scopdet_info,
3537         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3538         find_single_entry_edge, find_single_exit_edge,
3539         create_single_entry_edge, sd_region_without_exit,
3540         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3541         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3542         Moved to graphite-scop-detection.c.
3543
3544         * graphite-scop-detection.c: New.
3545         * graphite-scop-detection.h: New.
3546         * Makefile.in: Add new rule for graphite-scop-detection.o.
3547
3548         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3549         tree-scalar-evolution.h.
3550         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3551         build_sese_loop_nests): Moved here from graphite.c.
3552         (param_index): Renamed parameter_index_in_region.
3553
3554 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3555             Sebastian Pop  <sebastian.pop@amd.com>
3556
3557         * gcc.dg/graphite/block-0.c: Expected to fail now.
3558         * gcc.dg/graphite/block-1.c: Same.
3559         * gcc.dg/graphite/block-5.c: Same.
3560         * gcc.dg/graphite/block-6.c: Same.
3561
3562 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3563             Sebastian Pop  <sebastian.pop@amd.com>
3564
3565         * graphite.h: Separate from graphite_bb_p the polyhedral
3566         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3567         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3568         graphite-data-ref.h.
3569         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3570         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3571         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3572         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3573         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3574         scop_nb_params): Moved to graphite-poly.h.
3575         * graphite-data-ref.c: Same.
3576         * graphite-data-ref.h: New.
3577         * graphite.c: Same.
3578         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3579         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3580         is_interchange_valid, graphite_trans_bb_block,
3581         graphite_trans_loop_block, scop_max_loop_depth,
3582         graphite_trans_scop_block, graphite_apply_transformations,
3583         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3584         graphite-poly.c.
3585         * graphite-poly.h: New.
3586         * graphite-poly.c: New.
3587         * Makefile.in (OBJS-common): Add graphite-poly.o.
3588         (graphite-poly.o): New rule.
3589         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3590         (DR_SCOP): Removed.
3591
3592 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3593             Tobias Grosser  <grosser@fim.uni-passau.de>
3594
3595         * graphite.c: Replace gb -> gbb.
3596         * graphite.h: Same.
3597         * graphite-data-ref.c: Same.
3598
3599 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3600             Tobias Grosser  <grosser@fim.uni-passau.de>
3601
3602         * Makefile.in (OBJS-commmon): Add sese.o.
3603         (sese.o): New.
3604         (graphite.o): Add sese.h.
3605         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3606         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3607         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3608         Move to sese.
3609         (block_before_scop): Add missing return.
3610         (new_scop, free_scop): Remove SESE data structures.
3611         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3612         find_scop_parameters, build_loop_iteration_domains,
3613         add_conditions_to_domain, register_scop_liveout_renames,
3614         copy_bb_and_scalar_dependences): Scop -> SESE.
3615
3616         (add_conditions_to_domain): SCoP -> SESE and remove check
3617         (scop_contains_non_iv_scalar_phi_nodes): New.
3618         (build_scop_conditions_1, build_scop_conditions): Remove check for
3619         non iv scalar phi nodes.
3620         (print_scop_statistics): New.
3621         (graphite_transform_loops): Cleanup.
3622
3623         * graphite.h: Move to sese & cleanup.
3624         * sese.c: New.
3625         * sese.h: New.
3626
3627 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3628             Tobias Grosser  <grosser@fim.uni-passau.de>
3629
3630         * graphite.c (build_scop_conditions_1): Conditions are only
3631         at the end of a basic block.
3632
3633 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3634             Tobias Grosser  <grosser@fim.uni-passau>
3635
3636         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3637         field.
3638         (GBB_ALPHA): Removed.
3639
3640 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3641             Tobias Grosser  <grosser@fim.uni-passau.de>
3642
3643         * graphite-data-ref.c (graphite_test_dependence): Don't use
3644         GBB_DYNAMIC_SCHEDULE.
3645         * graphite.c (new_graphite_bb): Same.
3646         (free_graphite_bb): Same.
3647         (build_scop_dynamic_schedules): Removed.
3648         (graphite_transform_loops): Don't call it.
3649         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3650         (GBB_DYNAMIC_SCHEDULE): Removed.
3651
3652 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3653             Tobias Grosser  <grosser@fim.uni-passau.de>
3654
3655         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3656         (print_graphite_bb): Same.
3657         (build_cloog_prog): Same.
3658
3659 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3660             Tobias Grosser  <grosser@fim.uni-passau.de>
3661
3662         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3663
3664 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3665             Tobias Grosser  <grosser@fim.uni-passau.de>
3666
3667         * graphite.c (build_scop_context): Don't use CloogMatrix.
3668         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3669         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3670
3671 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3672             Tobias Grosser  <grosser@fim.uni-passau.de>
3673
3674         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3675         liveout_renames, add_params fields...
3676         (struct sese): ... here.
3677         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3678         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3679
3680 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3681             Tobias Grosser  <grosser@fim.uni-passau.de>
3682
3683         * graphite.c (print_scop): Do not print the CLooG program.
3684         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3685         build_cloog_prog, gloog): Don't use SCOP_PROG.
3686         (find_transform): Renamed scop_to_clast.
3687         (print_generated_program, debug_generated_program): New.
3688         (graphite_transform_loops): Adapt to new interface.
3689         * graphite.h (struct scop): Remove program field.
3690         (SCOP_PROG): Removed.
3691         (print_generated_program, debug_generated_program): Declared.
3692
3693 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3694
3695         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3696         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3697         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3698         free_graphite_bb, build_scop_canonical_schedules,
3699         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3700         schedules are now represented using a ppl_Linear_Expression_t.
3701         * graphite.h (struct graphite_bb): Same.
3702         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3703         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3704
3705 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * graphite.c: Free local memory.
3708         * graphite-ppl.c: Same.
3709
3710 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3711
3712         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3713         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3714         swap_constraint_variables, scale_constraint_variable): Removed.
3715         (graphite_trans_bb_strip_mine): Remove pong.
3716         * graphite-ppl.c: Include missing header files.
3717         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3718         * graphite-ppl.h (ppl_strip_loop): Declared.
3719         * Makefile.in (graphite-ppl.o): Adjust dependences.
3720
3721 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3724         (build_scop_iteration_domain): Same.
3725
3726 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3729         ping pong.
3730         (add_value_to_dim, scan_tree_for_params_right_scev,
3731         scan_tree_for_params_int): New.
3732         * graphite-ppl.c (oppose_constraint): New.
3733         (insert_constraint_into_matrix): Implement missing cases.
3734         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3735
3736 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3737
3738         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3739         use ppl_move_dimension.
3740
3741 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3744         * graphite.c: Same.
3745         * graphite.h: Same.
3746         * graphite-ppl.c: Same.
3747         * graphite-ppl.h: Same.
3748
3749 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         Revert last 3 commits.
3752
3753 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3754
3755         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3756         ping pong.
3757         (add_value_to_dim, scan_tree_for_params_right_scev,
3758         scan_tree_for_params_int): New.
3759         * graphite-ppl.c (oppose_constraint): New.
3760         (insert_constraint_into_matrix): Implement missing cases.
3761         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3762
3763 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3764
3765         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3766
3767 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3768             Tobias Grosser  <grosser@fim.uni-passau.de>
3769
3770         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3771         use ppl_move_dimension.
3772         * graphite-ppl.c (ppl_move_dimension): New.
3773         * graphite-ppl.h (ppl_move_dimension): Declared.
3774
3775 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         * graphite.c: Do not include cloog/cloog.h.
3778         (print_graphite_bb): Remove ping pong, call PPL print function.
3779
3780 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3781
3782         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3783         (graphite.o): Add dependence on graphite-ppl.h.
3784         (graphite-ppl.o): New.
3785         (graphite-data-ref.c): Ping pong between PPL data structures
3786         and matrices.
3787         * graphite-ppl.c: New.
3788         * graphite-ppl.h: New.
3789         * graphite.c: Include graphite-ppl.h.
3790         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3791         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3792         Ping pong between PPL data structures and matrices.
3793         (new_graphite_bb): Create a PPL constraint system.
3794         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3795         (build_loop_iteration_domains): Use PPL functions.
3796         * graphite.h: Include graphite-ppl.h.  Fix comments.
3797         (graphite_bb): Use a ppl_Constraint_System_t instead of
3798         CloogMatrix for representing the domain.
3799         (scop): Remove static_schedule.
3800         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3801
3802 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * graphite.c: Fix some comments.
3805
3806 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         PR middle-end/38953
3809         * graphite.c (if_region_set_false_region): After moving a region
3810         in the false branch of a condition, remove the empty dummy
3811         basic block.
3812         (gloog): Remove wrong fix for PR38953.
3813
3814 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3815
3816         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3817         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3818         register_bb_in_sese, new_sese, free_sese): Moved.
3819         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3820         outermost_loop_in_scop, build_scop_iteration_domain,
3821         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3822         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3823         Use loop_in_sese_p instead of loop_in_scop_p.
3824         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3825         (free_scop): Do not free SCOP_BBS_B.
3826         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3827         ref_nb_loops): Moved here...
3828         * graphite.h (ref_nb_loops): ... from here.
3829         (struct scop): Remove bbs_b bitmap.
3830         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3831         * testsuite/gcc.dg/graphite/scop-19.c: New
3832
3833 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3834
3835         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3836         detection.
3837
3838 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3839
3840         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3841         eq_loop_to_cloog_loop): Remove.
3842         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3843         * graphite.h (struct scop): Remove loop2cloog_loop.
3844         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3845
3846 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3847
3848         * opts.c (decode_options): Only add graphite options to O2
3849         if we compile with graphite enabled.
3850
3851 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3852
3853         * Merge from mainline (r143163:143684).
3854
3855 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         * graphite.c (debug_value): Removed.
3858         * graphite.h (debug_value): Removed.
3859
3860 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3861
3862         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3863         after graphite: pass_copy_prop does not maintain a proper loop closed
3864         SSA form.  pass_copy_prop should be fixed.
3865
3866 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3869
3870 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3871
3872         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3873         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3874         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3875         changed the CFG.
3876
3877 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3878
3879         * graphite.c (gloog): Return true when code gen succeeded.
3880         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3881         the code of the function did not changed.  After cleanup_tree_cfg
3882         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3883         form.
3884
3885 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3886
3887         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3888         gimple_call_lhs is NULL.
3889
3890 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3891             Tobias Grosser  <tobi.grosser@amd.com>
3892
3893         * graphite.c (graphite_trans_scop_block): Do not block single
3894         nested loops.
3895
3896 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3897             Tobias Grosser  <tobi.grosser@amd.com>
3898
3899         * graphite.c (build_scop_canonical_schedules): Start schedules at
3900         zero.
3901
3902 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3903             Tobias Grosser  <tobi.grosser@amd.com>
3904
3905         * graphite.c (compare_prefix_loops): New.
3906         (build_scop_canonical_schedules): Rewritten.
3907         (graphite_transform_loops): Move build_scop_canonical_schedules
3908         after build_scop_iteration_domain.
3909
3910 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3911             Tobias Grosser  <tobi.grosser@amd.com>
3912
3913         * graphite.c (add_conditions_to_domain): Add the loops to
3914         the dimension of the iteration domain.  Do copy the domain
3915         only when it exists.
3916         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3917         (add_conditions_to_constraints): New.
3918         (can_generate_code_stmt, can_generate_code): Removed.
3919         (gloog): Do not call can_generate_code.
3920         (graphite_transform_loops): Call add_conditions_to_constraints
3921         after building the iteration domain.
3922
3923 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3924             Tobias Grosser  <tobi.grosser@amd.com>
3925             Jan Sjodin  <jan.sjodin@amd.com>
3926
3927         * graphite.c (scan_tree_for_params): On substractions negate
3928         all the coefficients of the term.
3929         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3930         of more than two operands.
3931         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3932         (get_vdef_before_scop): Handle also the case of default definitions.
3933
3934 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3935
3936         PR middle-end/38431
3937         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3938         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3939         (gloog): Do not call cleanup_tree_cfg.
3940         (graphite_transform_loops): Call cleanup_tree_cfg after all
3941         scops have been code generated.
3942
3943 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3944
3945         * passes.c (init_optimization_passes): Schedule after
3946         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3947
3948 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3951         Fix comment.
3952         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3953         Set the type of an expression to the type of its assign statement.
3954         (expand_scalar_variables_expr):  Do not pass loop_p.
3955         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3956         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3957         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3958
3959 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3962         an expression to the gimple_expr_type of its assign statement.
3963         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3964         or tcc_declaration.
3965
3966 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         PR tree-optimization/38786
3969         * testsuite/gcc.dg/graphite/pr38786.c: New.
3970         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3971         the SSA_NAME case of expand_scalar_variables_expr.
3972         (expand_scalar_variables_expr): Also gather the scalar computation
3973         used to index the memory access.
3974         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3975         the gimple_stmt_iterator where it inserts new code.
3976
3977 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3978
3979         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3980
3981 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * opts.c (decode_options): Enable flag_graphite_identity and
3984         flag_loop_block in -O2 and above.
3985
3986 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3987
3988         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3989         Fix merge problem: replace with the file from trunk.
3990
3991 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3992
3993         * Merge from mainline (r141727:143163).
3994
3995 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3996             Jan Sjodin  <jan.sjodin@amd.com>
3997
3998         PR tree-optimization/38559
3999         * testsuite/gcc.dg/graphite/pr38559.c: New.
4000
4001         * graphite.c (debug_value, copy_constraint,
4002         swap_constraint_variables, scale_constraint_variable, ): New.
4003         (get_lower_bound, get_upper_bound): Removed.
4004         (graphite_trans_bb_strip_mine): Clean up this code that works
4005         only for constant number of iterations.  Fully copy upper and
4006         lower bound constraints, not only the constant part of them.
4007         * graphite.h (debug_value): Declared.
4008
4009 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4010
4011         PR tree-optimization/38492
4012         PR tree-optimization/38498
4013         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4014         * tree-chrec.h (scev_is_linear_expression): Declared.
4015         * graphite.c (graphite_cannot_represent_loop_niter): New.
4016         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4017         (graphite_loop_normal_form): Use gcc_assert.
4018         (scan_tree_for_params): Use CASE_CONVERT.
4019         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4020         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4021         Use gcc_assert.  Discard scops that contain unhandled cases.
4022         (build_scop_conditions): Return a boolean status for unhandled cases.
4023         (strip_mine_profitable_p): Print the loop number, not its depth.
4024         (is_interchange_valid): Pass the depth of the loop nest, don't
4025         recompute it wrongly.
4026         (graphite_trans_bb_block): Same.
4027         (graphite_trans_bb_block): Print tentative of loop blocking.
4028         (graphite_trans_scop_block): Do not print that the loop has been
4029         blocked.
4030         (graphite_transform_loops): Do not handle scops that contain condition
4031         scalar phi nodes.
4032
4033         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4034         in trunk.
4035         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4036         * testsuite/gcc.dg/graphite/block-1.c: Same.
4037         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4038         blocking.
4039         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4040         * testsuite/gcc.dg/graphite/block-3.c: New.
4041         * testsuite/gcc.dg/graphite/pr38498.c: New.
4042
4043 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4044
4045         PR tree-optimization/38510
4046         * gcc.dg/graphite/pr38510.c: New.
4047         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4048           (translate_clast): Call recompute_all_dominators before
4049           graphite_verify.
4050           (gloog): Call recompute_all_dominators before graphite_verify.
4051
4052 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4053
4054         PR tree-optimization/38492
4055         * graphite.c (rename_map_elt, debug_rename_elt,
4056         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4057         rename_map_elt_info, eq_rename_map_elts,
4058         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4059         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4060         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4061         (sese_build_livein_liveouts): New.
4062         (new_sese, free_sese): New.
4063         (new_scop): Call new_sese.
4064         (free_scop): Call free_sese.
4065         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4066         (register_old_new_names): Renamed register_old_and_new_names.
4067         (register_scop_liveout_renames, add_loop_exit_phis,
4068         insert_loop_close_phis, struct igp,
4069         default_liveout_before_guard, add_guard_exit_phis,
4070         insert_guard_phis, copy_renames): New.
4071         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4072         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4073         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4074         (scop_adjust_phis_for_liveouts): New.
4075         (gloog): Call scop_adjust_phis_for_liveouts.
4076
4077         * graphite.h (struct sese): Documented.  Added fields liveout,
4078         num_ver and livein.
4079         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4080         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4081         (struct scop): Added field liveout_renames.
4082         (SCOP_LIVEOUT_RENAMES): New.
4083
4084 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         PR tree-optimization/38409
4087         * gcc.dg/graphite/pr38409.c: New.
4088         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4089
4090 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4091
4092         * graphite.c (gcc_type_for_cloog_iv): By default return
4093         integer_type_node.
4094         (graphite_create_new_loop): Don't fold_convert the already
4095         fold_convert-ed expression.
4096
4097 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4098
4099         PR tree-optimization/38446
4100         * gcc.dg/graphite/pr38446.c: New.
4101         * graphite.c (register_bb_in_sese): New.
4102         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4103         looking at the bbs in the region.
4104         * graphite.h (sese): Add region_basic_blocks pointer set to
4105         structure and initialize at the time of defining new scop.
4106
4107 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4108
4109         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4110         (find_params_in_bb): Do not free data refs.
4111         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4112
4113 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4114
4115         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4116         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4117         * testsuite/gcc.dg/graphite/block-5.c: New.
4118         * testsuite/gcc.dg/graphite/block-6.c: New.
4119         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4120         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4121         * testsuite/gcc.dg/graphite/block-2.c: Same.
4122
4123         * graphite.c (struct ivtype_map_elt): New.
4124         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4125         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4126         gcc_type_for_cloog_iv): New.
4127         (loop_iv_stack_patch_for_consts): Use the type of the induction
4128         variable from the original loop, except for the automatically
4129         generated loops, i.e., in the case of a strip-mined loop, in
4130         which case there is no original loop: in that case just use
4131         integer_type_node.
4132         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4133         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4134         (clast_name_to_gcc): Accept params to be NULL.
4135         (clast_to_gcc_expression): Take an extra parameter for the type.
4136         Convert to that type all the expressions built by this function.
4137         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4138         (graphite_translate_clast_equation): Compute the type of the
4139         clast_equation before translating its LHS and RHS.
4140         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4141         (graphite_create_new_loop): Compute the type of the induction
4142         variable before translating the lower and upper bounds and before
4143         creating the induction variable.
4144         (rename_variables_from_edge, rename_phis_end_scop): New.
4145         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4146         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4147         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4148         compute_cloog_iv_types): New.
4149         (gloog): Call compute_cloog_iv_types before starting the
4150         translation of the clast.
4151
4152         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4153         (GBB_CLOOG_IV_TYPES): New.
4154         (debug_ivtype_map): Declared.
4155         (oldiv_for_loop): New.
4156
4157 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4158
4159         PR middle-end/38459
4160         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4161         (param_index): Assert if parameter is not know after parameter
4162         detection.
4163         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4164         (find_scop_parameters): Mark, that we have finished parameter
4165         detection.
4166         (graphite_transform_loops): Move condition detection before parameter
4167         detection.
4168         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4169         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4170
4171 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4172
4173         * graphite.c (graphite_transform_loops): Always call find_transform ()
4174         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4175         generate code.
4176
4177 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4178
4179         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4180         (print_scop): Ditto.
4181
4182 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4183
4184         PR middle-end/38084
4185         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4186         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4187         regions more than once.
4188
4189 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4190
4191         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4192         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4193         when not needed.
4194
4195 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4196
4197         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4198         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4199         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4200         (max_precision_type): New.
4201         (value_clast): Removed.
4202         (clast_to_gcc_expression): Be more careful to types of expressions.
4203         Use max_precision_type and update use of gmp_cst_to_tree.
4204         (graphite_translate_clast_equation): Use max_precision_type.
4205         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4206         use the type of the condition.
4207         (graphite_create_new_loop): Do not use integer_type_node, use the
4208         max_precision_type of lb and ub.
4209
4210 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4211
4212         * graphite.c (build_scops_1): Initialize open_scop.exit
4213         and sinfo.last.
4214
4215 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4216
4217         * testsuite/gcc.dg/graphite/pr38084.c: New.
4218         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4219         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4220         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4221         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4222         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4223
4224 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4225             Jan Sjodin  <jan.sjodin@amd.com>
4226             Harsha Jagasia  <harsha.jagasia@amd.com>
4227
4228         PR middle-end/37852
4229         PR middle-end/37883
4230         PR middle-end/37928
4231         PR middle-end/37980
4232         PR middle-end/38038
4233         PR middle-end/38039
4234         PR middle-end/38073
4235         PR middle-end/38083
4236         PR middle-end/38125
4237
4238         * testsuite/gcc.dg/graphite/pr38073.c: New.
4239         * testsuite/gcc.dg/graphite/pr37928.c: New.
4240         * testsuite/gcc.dg/graphite/pr37883.c: New.
4241         * testsuite/gcc.dg/graphite/pr38125.c: New.
4242         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4243         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4244         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4245
4246         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4247         the number of detected scops.  Copy exact same test for loop
4248         blocking...
4249         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4250         loops to be blocked as reductions are not handled.
4251         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4252
4253         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4254         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4255         ...here.
4256         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4257         * Makefile.in (graphite.o): Depend on value-prof.h.
4258         (graphite.o-warn): Removed -Wno-error.
4259         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4260         to be a NULL pointer.  Call update_stmt.  Return the newly created
4261         cannonical induction variable.
4262
4263         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4264
4265         * graphite.c: Reimplement the code generation from graphite to gimple.
4266         Include value-prof.h.
4267         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4268         (get_old_iv_from_ssa_name): Removed.
4269         (graphite_stmt_p): New.
4270         (new_graphite_bb): Test for useful statements before building a
4271         graphite statement for the basic block.
4272         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4273         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4274         reason.
4275         (recompute_all_dominators, graphite_verify,
4276         nb_reductions_in_loop, graphite_loop_normal_form): New.
4277         (scop_record_loop): Call graphite_loop_normal_form.
4278         (build_scop_loop_nests): Iterate over all the blocks of the
4279         function instead of relying on the incomplete information from
4280         SCOP_BBS.  Return the success of the operation.
4281         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4282         (add_bb_domains): Removed.
4283         (build_loop_iteration_domains): Don't call add_bb_domains.
4284         Add the iteration domain only to the basic blocks that have been
4285         translated to graphite.
4286         (build_scop_conditions_1): Add constraints only if the basic
4287         block have been translated to graphite.
4288         (build_scop_data_accesses): Completely disabled until data
4289         dependence is correctly implemented.
4290         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4291         (remove_all_edges_1, remove_all_edges): Removed.
4292         (get_new_name_from_old_name): New.
4293         (graphite_rename_variables_in_stmt): Renamed
4294         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4295         Use replace_exp and update_stmt.
4296         (is_old_iv): Renamed is_iv.
4297         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4298         Use replace_exp and update_stmt.
4299         (expand_scalar_variables_expr): Same.  Use the map to get the
4300         new names for the renaming of induction variables and for the
4301         renaming of variables after a basic block has been copied.
4302         (expand_scalar_variables): Same.
4303         (graphite_rename_variables): Renamed rename_variables.
4304         (move_phi_nodes): Removed.
4305         (get_false_edge_from_guard_bb): New.
4306         (build_iv_mapping): Do not insert the induction variable of a
4307         loop in the renaming iv map if the basic block does not belong
4308         to that loop.
4309         (register_old_new_names, graphite_copy_stmts_from_block,
4310         copy_bb_and_scalar_dependences): New.
4311         (translate_clast): Heavily reimplemented: copy basic blocks,
4312         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4313         At each translation step call graphite_verify ensuring the
4314         consistency of the SSA, loops and dominators information.
4315         (collect_virtual_phis, find_vdef_for_var_in_bb,
4316         find_vdef_for_var_1, find_vdef_for_var,
4317         patch_phis_for_virtual_defs): Removed huge hack.
4318         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4319         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4320         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4321         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4322         if_region_get_condition_block, if_region_set_false_region,
4323         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4324         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4325         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4326         rewrite_into_sese_closed_ssa): New.
4327         (gloog): Remove dead code.  Early return if code cannot be
4328         generated.  Call cleanup_tree_cfg once the scop has been code
4329         generated.
4330         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4331         block loops with less than two loops.
4332         (graphite_apply_transformations): Remove the call to
4333         scop_remove_ignoreable_gbbs.
4334         (limit_scops): When build_scop_loop_nests fails, continue on
4335         the next scop.  Fix open_scop.entry.
4336         (graphite_transform_loops): Call recompute_all_dominators: force the
4337         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4338         Call initialize_original_copy_tables and free_original_copy_tables
4339         to be able to copy basic blocks during code generation.
4340         When build_scop_loop_nests fails, continue on next scop.
4341         (value_clast): New union.
4342         (clast_to_gcc_expression): Fix type cast warning.
4343
4344 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4345
4346         * Merge from mainline (r140838:141727).
4347
4348 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4349
4350         PR middle-end/37833
4351
4352         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4353
4354 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4355
4356         PR middle-end/37943
4357
4358         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4359         exits and conditions.
4360         * testsuite/gcc.dg/graphite/pr37943.c: New.
4361
4362 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4363
4364         PR middle-end/37886
4365         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4366
4367 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4368
4369         * doc/invoke.texi: Fix spaces.
4370
4371 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4372
4373         PR tree-optimization/37891
4374         Reverted last commit.
4375         * graphite.c (create_single_entry_edge): Set
4376         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4377
4378 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4379             Mitul Thakkar  <mitul.thakkar@amd.com>
4380
4381         * graphite.c (create_single_entry_edge): Set
4382         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4383
4384 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4385
4386         * doc/invoke.texi: Add -fgraphite-identity.
4387         * graphite.c (graphite_apply_transformations): Check for
4388         -fgraphite-identity.
4389         * toplev.c (process_options): Add flag_graphite_identity.
4390         * tree-ssa-loop.c: Add flag_graphite_identity.
4391
4392 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4393
4394         Undo changes from 2008-10-02:
4395         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4396         operand type when copying the operand to a variable of different type.
4397         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4398         with the IV name after increment.
4399
4400 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4401             Harsha Jagasia  <harsha.jagasia@amd.com>
4402
4403         PR tree-optimization/37828
4404         * testsuite/gcc.dg/graphite/pr37828.c: New.
4405         * graphite.c (graphite_trans_loop_block): Do not loop block
4406         single nested loops.
4407
4408 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4409             Sebastian Pop  <sebastian.pop@amd.com>
4410
4411         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4412         rename_map_elt_info, eq_rename_map_elts): New.
4413         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4414         (expand_scalar_variables_expr): Change parameters.
4415         (expand_scalar_variables_stmt): Same.
4416         (expand_scalar_variables): Same.
4417         (graphite_rename_ivs): Rename graphite_rename_variables.
4418         (build_iv_mapping): New.
4419         (translate_clast): Call build_iv_mapping.
4420         * graphite.h (gbb_p): New name.
4421
4422 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4423
4424         PR tree-optimization/37684
4425         * gcc.dg/graphite/pr37684.c: New.
4426         * graphite.c (exclude_component_ref): New.
4427         (is_simple_operand): Call exclude_component_ref.
4428
4429 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4430             Harsha Jagasia  <harsha.jagasia@amd.com>
4431
4432         PR tree-optimization/37485
4433         * gcc.dg/graphite/block-2.c: New
4434         * graphite.c (gmp_cst_to_tree): Moved.
4435         (iv_stack_entry_is_constant): New.
4436         (iv_stack_entry_is_iv): New.
4437         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4438         (loop_iv_stack_insert_constant): New.
4439         (loop_iv_stack_pop): Use new datatpype.
4440         (loop_iv_stack_get_iv): Same.
4441         (loop_iv_stack_get_iv_from_name): Same.
4442         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4443         (loop_iv_stack_patch_for_consts): New.
4444         (loop_iv_stack_remove_constants): New.
4445         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4446         (translate_clast): Call loop_iv_stack_patch_for_consts and
4447         loop_iv_stack_remove_constants.
4448         (gloog): Use new datatype.  Redirect construction edge to end
4449         block to avoid accidental deletion.
4450         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4451         iv stack entry.
4452         (union iv_stack_entry_data): New.  Data in iv stack entry.
4453         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4454
4455 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4456
4457         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4458         operand type when copying the operand to a variable of different type.
4459
4460 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4461
4462         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4463         with the IV name after increment.
4464
4465 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4466
4467         * Merge from mainline (r140164:140838).
4468
4469 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4470
4471         * graphite-data-ref.c: New.
4472         * graphite.c (print_scop): Also dump the dependence graph.
4473         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4474         (new_scop): Initialize SCOP_DEP_GRAPH.
4475         (build_scop_dynamic_schedules): New.
4476         (build_access_matrix_with_af): Fixed column numbering.
4477         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4478         * graphite.h: Add ifndef/define guards against multiple inclusion.
4479         (struct scop): Add dep_graph field.
4480         (SCOP_DEP_GRAPH): Defined.
4481         (ref_nb_loops): Fixed and moved to other position.
4482         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4483         (nb_loops_around_loop_in_scop): New.
4484         (graphite_dump_dependence_graph): Declared.
4485         (graphite_build_rdg_all_levels): Declared.
4486         (graphite_test_dependence): Declared.
4487         * Makefile.in (graphite-data-ref.o): New target.
4488
4489 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4490
4491         * Merge from mainline (139870:140164).
4492
4493 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4494
4495         * Merge from mainline (138275:139870).
4496         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4497         the commits from trunk broke the niter detection.
4498
4499 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4500
4501         * graphite.c: Add more documentation.  Fix formatting.
4502         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4503         loop_iv_stack_debug): Moved...
4504         (schedule_to_scattering): Move before use.
4505         (dot_all_scops): Include in "#if 0" the code for system
4506         call dotty.
4507
4508         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4509         loop_iv_stack_debug): ...here.
4510
4511 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4512
4513         * tree-phinodes.c (make_phi_node): Extern.
4514         (add_phi_node_to_bb): New.
4515         (create_phi_node): Call add_phi_node_to_bb.
4516         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4517         (remove_statement): Handle case where stored phi was updated
4518         and is no longer the same.
4519         * graphite.c (is_parameter): New.
4520         (is_old_iv): New.
4521         (expand_scalar_variables_expr): New.
4522         (expand_scalar_variables_stmt): New.
4523         (expand_scalar_variables): New.
4524         (move_phi_nodes): Create new phi instead of moving old one.
4525         (translate_clast): Call expand_scalar_variables.
4526         (find_vdef_for_var_in_bb): Also scan regular definitions.
4527         (skip_phi_defs): New.
4528         (collect_scop_exit_phi_args): New.
4529         (patch_scop_exit_phi_args): New.
4530         (gloog): Patch phis after scop.
4531         * tree-flow.h: (add_phi_node_to_bb): Declared.
4532         (make_phi_node): Declared.
4533
4534 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4535
4536         * graphite.c (end_scop): Split the entry of the scop when it
4537         is the header of the loop in which the scop is ending.
4538         (build_scops_1, limit_scops): Update uses of end_scop.
4539
4540 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4543         SCOP_ENTRY or SCOP_EXIT.
4544
4545 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4546
4547         * graphite.c (get_construction_edge): Removed.
4548         (gloog): Construction edge is the scop entry edge.
4549
4550 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4551
4552         * graphite.c (can_generate_for_scop): Removed.
4553         (gloog): Do not call it.
4554
4555 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * graphite.c (new_scop): Entry of a scop is an edge.
4558         Initialize SESE region.
4559         (free_scop): Free SESE region.
4560         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4561         (split_difficult_bb): New, split from end_scop.
4562         (end_scop): Exit of a scop is an edge.
4563         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4564         not automatically updated and thus is always wrong.
4565         * graphite.h (struct sese): New.
4566         (SESE_ENTRY): New.
4567         (SESE_EXIT): New.
4568         (struct scop): New field for a SESE region.  Remove entry, exit.
4569         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4570         semantics as before.  Moved comment around.
4571
4572 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4573             Sebastian Pop  <sebastian.pop@amd.com>
4574
4575         * graphite.c (graphite_transform_loops): Always enable gloog
4576         and find_transform when ENABLE_CHECKING.
4577
4578 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4579
4580         * graphite.c (graphite_transform_loops): Move pretty printer
4581         of SCOPs before doing any transform.  Remove call to print_scops
4582         and dot_all_scops_1.
4583
4584 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4585
4586         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4587         (print_graphite_bb): Same.
4588
4589 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4590
4591         * graphite.c (dot_all_scops_1): Cleanup.
4592         (move_scops): Fix comment.
4593
4594 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4595
4596         * graphite.c (build_scop_bbs): Revert commit 139355:
4597
4598         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4599                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4600
4601                 * graphite.c (build_scop_bbs): Factor up code.
4602
4603 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4604
4605         * graphite.c (gloog): Update dominator info.
4606
4607 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4608
4609         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4610
4611 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4612
4613         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4614         initialization.
4615         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4616         (translate_clast): Correct formatting.
4617         * graphite.h (struct num_map): Removed.
4618         (struct graphite_bb): Remove num_map field.
4619         (GBB_INDEX_TO_NUM_MAP): Removed.
4620
4621 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4622
4623         * graphite.c (build_access_matrix_with_af): Fix comments.
4624         (build_scop_data_accesses): Same.
4625
4626 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * graphite.c (build_scop_data_accesses): Don't construct
4629         access matrices.  Add a FIXME and an assert condition that
4630         should pass when the access matrices will be needed.
4631
4632 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4633
4634         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4635         really_constant_p.
4636         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4637         Moved close by free_graphite_bb.
4638         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4639         (new_scop): Move close by free_scop.
4640         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4641
4642 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4643
4644         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4645         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4646         instead of recursive call.
4647         (graphite_translate_clast_equation): New.
4648         (graphite_create_guard_cond_expr): New.
4649         (graphite_create_new_guard): New.
4650         (get_stack_index_from_iv): Removed.
4651         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4652         (get_true_edge_from_guard_bb): New.
4653         (translate_clast): Handle stmt_guard in clast.
4654         (get_construction_edge): Allow construction edge detection for
4655         a scope entry with multiple predecessors if one predecessor is
4656         the immediate dominator of scope entry.
4657         (can_generate_code_stmt): Enable code generation for clast_guard.
4658         (gloog): Use correct context loop.  Removed check for post dominators.
4659         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4660
4661 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4662
4663         * graphite.c (remove_dead_loops): Document better which
4664         loops are removed.
4665
4666 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4667
4668         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4669         and PPLINC.
4670         (graphite.o): Also depends on pointer-set.h.
4671
4672 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4673
4674         * graphite.c (scop_record_loop): Fix compile warning.
4675
4676 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4677             Sebastian Pop  <sebastian.pop@amd.com>
4678
4679         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4680
4681 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4682
4683         * graphite.c (build_graphite_bb): Initialize bb->aux to
4684         point to the graphite_bb_p.
4685         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4686         content of bb->aux.
4687         (add_bb_domains): Does not use the scop parameter.
4688         (graphite_transform_loops): Clean bb->aux at the end.
4689
4690 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4691             Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * testsuite/lib/target-supports.exp
4694         (check_effective_target_fgraphite): New.
4695
4696         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4697         check_effective_target_fgraphite returns false.
4698         Set dg-do-what-default to compile.
4699         (scan-graphite-dump-times): Removed.
4700         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4701
4702         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4703         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4704         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4705         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4706         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4707         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4708         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4709         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4710         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4711         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4712         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4713         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4714         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4715         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4716         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4717         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4718         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4719         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4720         * testsuite/gcc.dg/graphite/block-0.c: Same.
4721         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4722         * testsuite/gcc.dg/graphite/block-1.c: Same.
4723         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4724         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4725         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4726         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4727         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4728
4729 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4730
4731         * graphite.c: Fix some XXX comments.
4732         (build_scop_dynamic_schedules): Removed.
4733
4734 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4735
4736         * graphite.h (scop_max_loop_depth): Moved...
4737         * graphite.c (scop_max_loop_depth): ...here.
4738         (remove_all_edges_1): New.
4739         (remove_all_edges): Factored code.
4740         (remove_cond_exprs): Check only the last statement for
4741         a GIMPLE_COND expression.
4742
4743 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4744
4745         * graphite.c (scan_tree_for_params): Early return when the
4746         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4747         (find_scop_parameters): Factor out code.
4748         (graphite_trans_bb_strip_mine): Remove dead code.
4749
4750 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4751
4752         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4753         graphite_trans_bb_move_loop): Factor asserts.
4754         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4755         Do not call calculate_dominance_info and estimate_bb_frequencies.
4756
4757 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4758
4759         * graphite.c (create_loops_mapping, free_loops_mapping,
4760         create_loops_mapping_num, debug_loop_mapping_1,
4761         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4762         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4763         graphite_loops_mapping_add_child_num,
4764         graphite_loops_mapping_insert_child,
4765         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4766         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4767         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4768         create_num_from_index, get_num_from_index,
4769         swap_loop_mapped_depth): Removed.
4770         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4771         (free_scop): Do not call free_loops_mapping.
4772         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4773         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4774         get_loop_mapped_depth.
4775         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4776         (graphite_trans_bb_strip_mine): Same.
4777         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4778         (struct scop): Remove field loops_mapping.
4779
4780 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4781             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4782
4783         * graphite.c (scop_record_loop): Factor out one level of the
4784         condition by early return.
4785         (build_scop_loop_nests): Format following FSF coding style.
4786         (build_scop_dynamic_schedules): Factor out code.
4787         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4788
4789 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4790             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4791
4792         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4793         assignments that are not handled as simple operands for now.
4794
4795 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4796             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4797
4798         * graphite.c (build_scop_bbs): Factor up code.
4799
4800 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4801             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4802
4803         * graphite.c (stmt_simple_for_scop_p): Factor code out
4804         of the loop.
4805         (enum gbb_type): New.  Group all the GBB_* types under it.
4806         (is_loop_exit): Moved...
4807         (end_scop): Enable BB spliting.
4808         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4809         * cfgloop.h (is_loop_exit): Declared.
4810
4811 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4812
4813         * doc/invoke.texi: Remove strides from examples containing
4814         DO loops when the strides are equal to 1.
4815
4816 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4817             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4818
4819         * graphite.c (graphite_trans_scop_block): Or the result with
4820         the result from graphite_trans_loop_block.
4821         * testsuite/gcc.dg/graphite/block-1.c: New.
4822         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4823         * testsuite/gfortran.dg/graphite/block-2.f: New.
4824
4825 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * graphite.c (graphite_transform_loops): Call cloog_initialize
4828         and cloog_finalize.
4829
4830 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4831
4832         * tree-data-ref.c) (stmt_simple_memref_p): New.
4833         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4834         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4835         (is_simple_operand): Call stmt_simple_memref_p.
4836
4837         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4838         using pointer arithmetic, as this is optimized by PRE and
4839         makes the code too difficult to analyze.
4840
4841         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4842
4843 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4844
4845         * gdbinit.in (pgg): New.
4846
4847 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4848
4849         * graphite.c (graphite_trans_loop_block): Fix warning.
4850
4851 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4852
4853         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4854
4855 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4856
4857         * graphite.c (graphite_trans_bb_block): Remove check for
4858         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4859         Check if loop blocking is profitable for every loop, before applying
4860         the changes.
4861         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4862         if flag_loop_block is set.
4863
4864 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4865
4866         * graphite.c: Add some more documentation for the loop
4867         mapping.
4868
4869 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4870
4871         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4872         * graphite.c: Format on less than 80 columns.
4873         * graphite.h: Same.
4874
4875 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4876
4877         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4878
4879 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4880
4881         * doc/invoke.texi (floop-block, floop-strip-mine,
4882         floop-interchange): Update documentation with examples.
4883
4884 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4885
4886         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4887         add_referenced_var.
4888         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4889
4890 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4891
4892         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4893         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4894         * tree-scalar-evolution.c: Revert useless changes.
4895         * tree-phinodes.c: Same.
4896         * cfghooks.c: Same.
4897         * vec.h: Same.
4898         * tree-vectorizer.h: Same.
4899         * tree-flow.h: Same.
4900         * tree-cfg.c: Same.
4901         * common.opt (fgraphite): Update documentation.
4902
4903 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4904
4905         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4906         -floop-interchange): Add more text for explaining what each of these
4907         flags is doing.
4908         * tree-into-ssa.c (gimple_vec): Moved to...
4909         * graphite.c: Include gimple.h.
4910         (gimple_vec): Moved to...
4911         (del_loop_to_cloog_loop): Removed.
4912         (loop_affine_expr): Do not call create_data_ref when the
4913         operand is a constant.
4914         (new_scop): Use free instead of del_loop_to_cloog_loop.
4915         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4916         * gimple.h (gimple_vec): ... here.
4917
4918 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4919
4920         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4921         latch executions.
4922         (build_loop_iteration_domains): Fail, if latch executions unknown.
4923
4924 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4925
4926         * graphite.c (add_conditions_to_domain): New.
4927         (build_scop_conditions_1): Call add_conditions_to_domain.
4928         (set_cloog_options): Allow to disable optimizations.
4929
4930 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4931
4932         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4933         Do not use walk_dominator_tree.
4934         (find_scop_parameters): Do not use walk_dominator_tree.
4935
4936 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4937
4938         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4939         (idx_record_params): Adapt.
4940         * graphite.h (scop_gimple_loop_depth): New.
4941
4942 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4943
4944         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4945         (scan_tree_for_params): Remove value_init.
4946         (build_scop_context): Remove value_init.
4947         (build_loop_iteration_domains): Remove value_init.
4948         (schedule_to_scattering): Remove value_init.
4949         (graphite_trans_bb_strip_mine): Remove value_init.
4950
4951 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4952
4953         * gcc/graphite.c (limit_scops): New.
4954         (graphite_transform_loops): Add limit SCoPs.
4955         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4956         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4957         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4958         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4959         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4960         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4961         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4962         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4963         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4964         Change loop numbers.
4965         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4966         Change loop numbers.
4967         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4968         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4969         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4970         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4971         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4972         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4973         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4974         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4975         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4976         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4977
4978 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4979
4980         * graphite.c (graphite_transform_loops): Call always find_transform.
4981
4982 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4983
4984         * graphite.c (free_loops_mapping): New.
4985         (stmt_simple_for_scop_p): Fix typo.
4986         (stmt_simple_for_scop_p): Fix tuples functions, that
4987         broke polyhedron.
4988         (free_graphite_bb): Fix some memleaks.
4989         (free_scop): Fix some memleaks.
4990         (scopdet_bb_info): Do not forget some tmp SCoPs.
4991         (find_params_in_bb): Fix some memleaks.
4992         (clast_to_gcc_expression): Fix warning.
4993
4994 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4995
4996         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4997         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4998
4999 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5000
5001         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5002         Move code ifdef-ed HAVE_cloog...
5003         * graphite.c: Include toplev.h.
5004         ... here.
5005         * Makefile.in (OBJS-common): Always build graphite.o.
5006         (BACKEND): Remove @GRAPHITE@.
5007         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5008         (graphite.o): Depend on TOPLEV_H.
5009
5010 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5011
5012         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5013         Remove typo left from polylib to ppl conversion.
5014         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5015
5016 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5017
5018         * toplev.c (process_options): Move the graphite loop optimization
5019         flags...
5020         * tree-ssa-loop.c (graphite_transforms): ... here.
5021         When not configured with CLooG, print to dump_file that
5022         Graphite transforms were not performed.
5023         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5024         New.
5025         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5026         scan-graphite-dump-times.
5027
5028 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5031         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5032
5033 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5034             Jan Sjodin  <jan.sjodin@amd.com>
5035
5036         * configure: Regenerated.
5037         * omp-low.c (expand_omp_sections): Remove now unused code.
5038         * config.in (HAVE_polylib): Removed.
5039         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5040         (PPLLIBS, PPLINC): Added.
5041         * graphite.c: Replace unsigned with int wherever possible.
5042         Don't access Cloog's data structures, but use accessor functions.
5043         Clast's stmt->type is now implemented as a vtable: change the
5044         switches of stmt->type into ifs.
5045         (polylib/polylibgmp.h): Don't include.
5046         (initialize_dependence_polyhedron,
5047         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5048         statement_precedes_p, test_dependence, build_rdg_all_levels,
5049         dump_dependence_graph): Removed until this code is cleaned up
5050         or ported to Cloog.
5051         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5052         (POLYLIBINC): Renamed PPLINC.
5053
5054 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5055             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5056             Jan Sjodin  <jan.sjodin@amd.com>
5057
5058         Finish the merge and tuplification of graphite.
5059
5060 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5061             Jan Sjodin  <jan.sjodin@amd.com>
5062
5063         Partial merge from mainline (138072:138275).
5064         * graphite.c still has to be tuplified.
5065
5066 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5067
5068         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5069         (create_num_from_index): New.
5070         (get_num_from_index): Also pass in the graphite BB.
5071         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5072         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5073         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5074         (is_interchange_valid): Return false when failing.
5075         * graphite.h (struct num_map): New.
5076         (struct graphite_bb): New field num_map.
5077         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5078
5079 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5080
5081         * graphite.c (dump_gbb_conditions): Print also conditions like
5082         "if (a)".  Remove dublicated code and use print_generic_expr ().
5083         (stmt_simple_for_scop_p): Only allow conditions we can handle
5084         {<, <=, >, >=}.
5085
5086 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5087
5088         * graphite.h (struct scop): Removed new_ivs field.
5089         (SCOP_NEWIVS): Deleted.
5090         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5091         clast_to_gcc_expression, graphite_create_new_loop):
5092         Removed use of new_ivs.
5093
5094 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5095
5096         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5097         create_loops_mapping_num, debug_loop_mapping_1): New.
5098         (debug_loop_mapping): Call debug_loop_mapping_1.
5099         (get_loop_mapping_for_num,
5100         graphite_loops_mapping_add_child,
5101         graphite_loops_mapping_add_child_num,
5102         graphite_loops_mapping_insert_child,
5103         graphite_loops_mapping_parent,
5104         split_loop_mapped_depth_for_num,
5105         loop_mapped_depth_split_loop): New.
5106         (increment_loop_mapped_depths): Removed.
5107         (swap_loop_mapped_depth_for_num): Reimplemented.
5108         (new_scop): Call create_loops_mapping.
5109         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5110         (translate_clast): Pass the old loop father in parameter, and pass
5111         it to get_old_iv_from_ssa_name.
5112         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5113         can_generate_code, can_generate_for_scop): New.
5114         (graphite_trans_bb_block): Returns false when it fails to transform.
5115         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5116
5117 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5118
5119         Reverted all the changes related to the streamization and
5120         loop fusion.
5121         These changes are now tracked in the streamization branch.
5122
5123 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5124             Jan Sjodin  <jan.sjodin@amd.com>
5125
5126         * graphite.c (gbb_compare): Correctly constify.
5127         (gbb_can_be_ignored): Indent.
5128         (graphite_trans_scop_swap_1and2): Add legality check.
5129         Remove dead FIXMEs.
5130
5131 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5132
5133         Remove fallouts from "Reverted the Condate changes".
5134         * tree.h: Remove unused decl.
5135         * testsuite/gcc.dg/tree-checker: Same.
5136         * timevar.def: Remove counter.
5137
5138 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5139
5140         * Merge from mainline (135673:138072).
5141
5142         Reverted the MIRO changes (from 2008-04-05) that are now
5143         tracked in the miro branch.
5144         * tree-bounds.c: Removed.
5145         * tree-bounds.h: Removed.
5146
5147         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5148         are now tracked in the condate branch.
5149         * tree-check.c: Removed.
5150         * tree-match.c: Removed.
5151         * condate.y: Removed.
5152
5153 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5154
5155         * common.opt: New user flag -floop-block, -floop-strip-mine
5156         and -floop-interchange.
5157         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5158         graphite loop optimization flags is turned on.
5159         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5160         flag_loop_strip_mine and flag_loop_interchange checks before
5161         optimizations.
5162         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5163         -floop-strip-mine and -floop-interchange.
5164         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5165         -fgraphite.
5166         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5167         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5168         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5169
5170 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5171             Sebastian Pop  <sebastian.pop@amd.com>
5172
5173         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5174         (create_empty_loop_on_edge): More fixes.
5175         * tree-phinodes.c (resize_phi_node): Extern.
5176         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5177         * cfghooks.c (update_dominator_information): New split from
5178         split_edge.
5179         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5180         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5181         successor of the function entry block.
5182
5183         * graphite.c: Include pointer-set.h.
5184         (debug_loop_mapping, increment_loop_mapped_depths,
5185         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5186         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5187         swap_loop_mapped_depth_for_num, get_num_from_index,
5188         swap_loop_mapped_depth, loop_iv_stack_debug,
5189         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5190         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5191         get_old_iv_from_ssa_name): New.
5192         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5193         (free_scop): Free SCOP_LOOPS_MAPPING.
5194         (scop_record_loop): Record old ivs.
5195         (create_var_name): Removed.
5196         (initialize_cloog_names): Allocate double space in case strip mine
5197         applies to all loops once.
5198         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5199         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5200         translation.
5201         (graphite_create_new_loop): Pass in ivstack.
5202         (remove_all_edges): Pass in the construction_edge.
5203         (graphite_remove_iv): Removed.
5204         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5205         remove_cond_exprs): Rewritten.
5206         (move_phi_nodes): New.
5207         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5208         (translate_clast): Pass in ivstack.  Rewrite some cases.
5209         (set_cloog_options, debug_clast_stmt): New.
5210         (find_transform): Use set_cloog_options.
5211         (outermost_loop_layer): Removed.
5212         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5213         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5214         mark_old_loops, remove_dead_loops): New.
5215         (gloog): Rewritten.
5216         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5217         (const_column_index, get_first_matching_sign_row_index,
5218         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5219         get_upper_bound): New.
5220         (graphite_trans_bb_strip_mine): Also update the iv map.
5221
5222         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5223         (struct name_tree): Add a loop field.
5224         (struct scop): Add a graphite_loops_mapping field.
5225         (SCOP_LOOPS_MAPPING): New.
5226         (debug_clast_stmt): Declare.
5227         * lambda.h (find_induction_var_from_exit_cond): Declare.
5228         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5229         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5230         (create_empty_loop_on_edge): Updated.
5231         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5232         rename_variables_in_bb): Declare.
5233         * tree-cfg.c (remove_bb): Extern.
5234
5235         * testsuite/gcc.dg/graphite/block-0.c: New.
5236
5237 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5238             Sebastian Pop  <sebastian.pop@amd.com>
5239
5240         * graphite.c (strip_mine_profitable_p): New.
5241         (graphite_trans_bb_block): Disable strip mining if not profitable.
5242
5243         * testsuite/gcc.dg/graphite/scop-18.c: New.
5244         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5245         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5246
5247 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5248             Jan Sjodin  <jan.sjodin@amd.com>
5249             Sebastian Pop  <sebastian.pop@amd.com>
5250
5251         * graphite.c (is_interchange_valid): New.
5252         (graphite_trans_bb_block): Check loop nest of basic block for legality
5253         of interchange.
5254
5255         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5256         outer_most_loop, gbb_outer_most_loop_index): New.
5257
5258         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5259         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5260         * testsuite/gcc.dg/graphite/scop-16.c: New.
5261         * testsuite/gcc.dg/graphite/scop-17.c: New.
5262
5263 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5264
5265         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5266         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5267
5268 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5269
5270         * graphite.c (new_scop): Initialize SCOP_EXIT.
5271         (scopdet_info): Add.
5272         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5273         (build_scops_1): Cleanup, bugfixes.
5274         (build_scops): Cleanup.
5275
5276         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5277         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5278
5279 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5280
5281         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5282
5283         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5284         DEFAULT_GRAPHITE_FLAGS.
5285
5286         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5287
5288 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5289
5290         * graphite.c (scan_tree_for_params): Do not assert any more if
5291         MULT_EXPR parameter is negative.
5292
5293         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5294
5295         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5296
5297         * testsuite/gcc.dg/graphite/scop-15.c: New.
5298
5299 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5300
5301         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5302
5303 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5304
5305         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5306         graphite_swap_loops.
5307         (graphite_trans_bb_move_loop): New.
5308         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5309         (graphite_trans_bb_block): New.
5310         (graphite_trans_loop_block): New.
5311         (graphite_trans_scop_swap_1and2): Rename from
5312         graphite_trans_swap_1and2.
5313         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5314         (graphite_trans_scop_block): New.
5315         (graphite_apply_transformations): Rename from
5316         graphite_transformations.
5317
5318         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5319
5320 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5321
5322         * graphite.c (gbb_compare): New.
5323         (graphite_sort_gbbs): New.
5324         (gbb_can_be_ignored): New.
5325         (scop_remove_ignoreable_gbbs): New.
5326         (graphite_transformations): Cleanup and add
5327         scop_remove_ignoreable_gbbs.
5328         * lambda.h (lambda_vector_compare): New.
5329
5330 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5331
5332         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5333         (graphite_swap_loops): int -> unsigned
5334         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5335         (graphite_transformations): New.
5336         (graphite_transform_loops): Move to graphite_transformations.
5337         * graphite.h (gbb_nb_loops): Return unsigned.
5338
5339 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5340
5341         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5342         the domain matrix.  This makes scop-0.c work again.
5343
5344 2008-06-20  Richard Guenther  <rguenther@suse.de>
5345
5346         * graphite.h: Adjust copyright to GPLv3.
5347         * graphite.c: Likewise.
5348         (stmt_simple_memref_for_scop_p): Split out from ...
5349         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5350         and simplify.
5351         (get_bb_type): Optimize.
5352         (is_pred): Remove.
5353         (is_bb_addable): Fix memleak, replace is_pred call with
5354         single_pred.
5355         (build_scops): Use current_loops.
5356         (param_index): Fix memleak.
5357
5358 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5359
5360         * graphite.c: Fix formatting.
5361
5362 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5363
5364         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5365         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5366         (create_var_name, save_var_name): Newly defined functions.
5367         (initialize_cloog_names): Part of the code factored out to
5368         save_var_name.
5369         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5370         in clast_reduction statement.
5371         (graphite_create_new_loop): Now takes a new parameter
5372         for outer_loop.
5373         (translate_clast): Now also takes the context_loop and bb_exit
5374         parameters. Rewritten the code so that it creates a gimple code
5375         inside the given context.
5376         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5377         remove_cond_expr, disconnect_cond_expr,
5378         disconnect_virtual_phi_nodes): Newly defined functions.
5379         * graphite.h (struct scop): added old_ivs vector.
5380         SCOP_OLDIVS: New macro.
5381
5382 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5383
5384         * cfgloopmanip.c: Add missing function comments, fix formatting.
5385
5386 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5387
5388         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5389         (create_empty_loop_on_edge): Defined.
5390         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5391         instead of void.
5392         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5393         (update_dominators_in_loop): Declared as extern
5394         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5395
5396 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5397
5398         * graphite.c (print_graphite_bb): Allow changing number of loops
5399         in SCoP domain.
5400         (initialize_cloog_names): Allow changing number of loops.
5401         (build_cloog_prog): Simplify.
5402         (find_transform): Enable cloog option --strides.
5403         (graphite_swap_loops): New.
5404         (graphite_strip_mine_loop): New.
5405         (graphite_trans_swap_1and2): New.
5406         (graphite_trans_strip): New.
5407         (graphite_transform_loops): Add graphite_trans_strip.
5408         * graphite.h (scop_max_loop_depth): New.
5409
5410 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5411
5412         * graphite.c (build_scop_iteration_domain): Remove forgotten
5413         line. (Fixes compile)
5414
5415 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5416
5417         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5418         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5419         (build_bb_loops): New.
5420         (graphite_transform_loops): Add build_bb_loops.
5421         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5422         numbers.
5423         * graphite.h (graphite_bb): Add loops.
5424         (gbb_nb_loops): New.
5425         (gbb_loop_at_index): New.
5426         (gbb_loop_index): New.
5427         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5428         using nb_params_in_scop.
5429
5430 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5431
5432         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5433         (build_scop_canonical_schedules): Build minimized schedule.
5434         (schedule_to_scattering): Adapt to minimized schedule.
5435         * graphite.h (graphite_bb): Add/Update descriptions.
5436
5437 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5438             Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * graphite.c (print_graphite_bb): Add condition printing.
5441         (dump_value): New.
5442         (dump_gbb_conditions): New.
5443         (build_scop_conditions_1): New.
5444         (build_scop_conditions): New.
5445         * graphite.h (graphite_bb): Add conditions.
5446
5447 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5448
5449         * graphite.c (print_graphite_bb):
5450         (free_graphite_bb): New.
5451         (free_scop): Free bbs.
5452         (get_bb_type): Free doms.
5453         (build_scop_context): Free context matrix.
5454         (build_loop_iteration_domains): Remove unused code.
5455         (build_cloog_prog): Free scattering function and blocklist.
5456         (find_transform): Free options.
5457
5458 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5459
5460         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5461         Remove unnecessery cloog data structures. Make a copy of the domain
5462         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5463         unnecessary cloog data structures. Fix memory leaks. Remove insert
5464         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5465         used.
5466         (build_scop_iteration_domain): Remove unnecessary cloog
5467         data structures.  Fix memory leaks.
5468         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5469         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5470
5471 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5472
5473         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5474
5475 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5476
5477         * graphite.c (end_scop): Style fix.
5478         (schedule_to_scattering): Style and comment fix.
5479
5480 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5481         * graphite.c (print_graphite_bb): Fix definiton of
5482         schedule_to_scattering.
5483         (initialize_cloog_names): Change nb_scattdims to max loop
5484         depth in SCoP.
5485         (schedule_to_scattering): Take parameter for number of scattering
5486         dimensions.
5487         (build_cloog_prog): Only build as much scattering dimensions as
5488         necessary.
5489
5490 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5491
5492         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5493         in polyhedron/aermod.f90.
5494
5495 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5496             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5497             Harsha Jagasia  <harsha.jagasia@amd.com>
5498
5499         * graphite.c (is_bb_addable): Fix segfault.
5500
5501 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5502
5503         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5504         with multiple exits and conditional handling in edge cases.
5505         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5506
5507         * testsuite/gcc.dg/graphite/scop-14.c: New.
5508
5509 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5510             Adrien Eliche  <aeliche@isty.uvsq.fr>
5511
5512         * graphite.c (is_bb_addable): Add more comments and enhance
5513         readablity of the source code. Fix memory leak.
5514         (is_loop_exit): Fix memory leak.
5515
5516 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5517
5518         * graphite.c (first_loop_in_scop): Deleted.
5519         (setup_cloog_loop): Only walk the loop chain for inner loops.
5520         (build_scop_iteration_domain): Execute setup_cloog_loop for
5521         all loops in the first layer.
5522
5523 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5524
5525         * graphite.c (scan_tree_for_params): Change the way params are
5526         added to be indepenent of the number of loops.
5527         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5528         handling.
5529         (build_cloog_prog): Revert to short matrix format.
5530
5531 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5532             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5533
5534         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5535         warning.
5536
5537 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5538
5539         * graphite.c (nb_data_refs_in_scop): New.
5540         (graphite_transform_loops): Print more stats: number of
5541         loops, basic blocks and data references per scop.
5542
5543 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5544             Jan Sjodin  <jan.sjodin@amd.com>
5545
5546         * graphite.c (loop_affine_expr, idx_record_params,
5547         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5548         instead of instantiate_parameters.
5549
5550 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5551
5552         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5553         add support for parameters, add STATIC_SCHEDULE at the right places,
5554         cleanup.
5555
5556 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5557
5558         * graphite.c (build_scop_loop_nests): Only add the loops, that
5559         are contained completely in the SCoP.
5560         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5561         and the domains are fixed.
5562         (build_scop_canonical_schedules): Add support for bbs not contained
5563         in any SCoP.
5564
5565 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5566
5567         * graphite.h (scop_contains_loop): Update comments to match
5568         the actual behavior.
5569         (scop_contains_loop): New.
5570         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5571
5572 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5573
5574         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5575         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5576         as GBB_COND_HEADER.
5577
5578 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5579             Tobias Grosser  <grosser@fim.uni-passau.de>
5580
5581         * graphite.c (graphite_transform_loops): Early return when
5582         there are no loops in the function.
5583
5584 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5585             Jan Sjodin  <jan.sjodin@amd.com>
5586
5587         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5588         offset of the last loop.
5589         (setup_cloog_loop): Copy the entire outer constraint matrix.
5590
5591 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5592             Jan Sjodin  <jan.sjodin@amd.com>
5593
5594         * graphite.c (stmt_in_scop_p, function_parameter_p,
5595         invariant_in_scop_p): Removed.
5596         (scan_tree_for_params): Can be used with no constraint
5597         matrix for gathering parameters.
5598         (idx_record_params): Don't use idx_record_param, instead use
5599         scan_tree_for_params.
5600         (find_scop_parameters): Same.
5601         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5602         Fix the size of loop domains.
5603         (schedule_to_scattering): Exit when the outer loop is not in scop.
5604         (find_transform): Enable build_cloog_prog.
5605
5606 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5607             Jan Sjodin  <jan.sjodin@amd.com>
5608
5609         * graphite.c (schedule_to_scattering): Make scattering domains
5610         uniformly of the same size, as required by CLooG 0.14.0 and before.
5611
5612 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5613             Jan Sjodin  <jan.sjodin@amd.com>
5614
5615         * graphite.c (schedule_to_scattering): Rewrite, correct the
5616         translation of the scheduling function to scattering.
5617         (build_cloog_prog): Call schedule_to_scattering only once.
5618         * graphite.h (scop_loop_index): Do not fail for loops not
5619         in the scop: return -1.
5620
5621 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5622
5623         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5624         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5625         (setup_cloog_loop): Export GBB_DOMAIN.
5626         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5627         able to rebuild the original control flow.
5628         * graphite.h (graphite_bb): Add domain field and access macro.
5629         (GBB_DOMAIN): New.
5630
5631 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5632
5633         * graphite.c (debug_gbb): New.
5634         (print_scop, build_graphite_bb): Use SCOP_BBS.
5635         (build_scop_bbs): Reimplemented.
5636         (dfs_bb_in_scop_p): Removed.
5637         (build_scop_loop_nests): Reorder loops inserted in
5638         SCOP_LOOP_NEST: outer loops should come first.
5639         (build_scop_canonical_schedules): Reinitialize at zero
5640         the components of the SCOP_STATIC_SCHEDULE for the loops
5641         that have already been parsed.
5642
5643         * graphite.h (debug_gbb): Declared.
5644
5645 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5646             Jan Sjodin  <jan.sjodin@amd.com>
5647
5648         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5649         (graphite_loop_to_gcc_loop): Removed.
5650         (remove_all_edges): New.
5651         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5652         (gloog): Remove useless code.
5653
5654 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5655
5656         * graphite.c (get_bb_type): Reworked. We distinguish between
5657         loops with one or multiple exits.
5658         (is_loop_exit): New.
5659         (is_pred): New.
5660         (is_bb_addable): Rework condition handling, now support for case
5661         case statements and loops with multiple exits.
5662
5663         * testsuite/gcc.dg/graphite/scop-11.c: New.
5664         * testsuite/gcc.dg/graphite/scop-12.c: New.
5665         * testsuite/gcc.dg/graphite/scop-13.c: New.
5666
5667 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5668
5669         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5670         we have too many colors.
5671
5672 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5673
5674         * doc/invoke.texi (-ftree-loop-fusion): Document.
5675         * tree-pass.h (pass_loop_fusion): Declared.
5676         * tree-loop-fusion.c: New.
5677         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5678         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5679         * tree-data-ref.h (find_data_references_in_loop): Declared.
5680         * common.opt (ftree-loop-fusion): Declared.
5681         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5682
5683 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5684
5685         * graphite.c (build_access_matrix): Fix typo from the merge.
5686
5687 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5688
5689         * Merge from mainline (130800:135673).
5690
5691 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5692
5693         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5694         Update dominators after splitting.
5695
5696 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         * graphite.c (is_bb_addable): Return the harmful statement.
5699         Factor up some code.
5700         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5701         (build_scops_1): Call end_scop.
5702
5703 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5704
5705         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5706         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5707         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5708         build_scops_1): Removed.
5709         (build_scops_2): Renamed build_scops_1.
5710
5711 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5712
5713         * graphite.c: Fix formatting.
5714
5715 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5716
5717         * graphite.c (get_bb_type): New.
5718         (move_scops): New.
5719         (build_scops_2): New.
5720         (is_bb_addable): New.
5721         (build_scops): Switch the scop detection.
5722         (build_scop_bbs): Add entry bb to scop.
5723         * graphite.h (struct scop): Update comment.
5724
5725 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5726
5727         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5728         more colors.
5729
5730 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5731
5732         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5733         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5734         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5735         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5736         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5737
5738 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5739
5740         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5741         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5742         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5743         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5744         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5745
5746 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5747
5748         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5749         Check affine expressions depending on the outermost loop
5750         instead of a scop.
5751         (stmt_simple_for_scop_p): Same.
5752         (harmfule_stmt_in_scop): Same.
5753
5754 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5755
5756         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5757         mark entry and exit, that are not part of the SCoP and update HTML
5758         formatting.
5759
5760 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         * graphite.c (basic_block_simple_for_scop_p): Renamed
5763         harmful_stmt_in_bb.
5764         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5765         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5766         (all_preds_visited_p, all_succs_visited_p,
5767         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5768         scop_end_loop): New.
5769         (build_scops): Do not use dfs_enumerate_from.
5770
5771         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5772
5773 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5774
5775         * graphite.c: Add comments to functions that are missing a
5776         description.
5777         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5778
5779 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5780
5781         * graphite.c (nb_params_in_scop): Moved...
5782         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5783         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5784         (clast_to_gcc_expression): Reduce column size to less than 80.
5785         (graphite_create_iv): Return the new name of the IV.
5786         (find_transform): Set options->esp and options->cpp.
5787         (gloog): Comment out the invalidation of the old loop code.
5788         (initialize_dependence_polyhedron): Replace scop_nb_params with
5789         nb_params_in_scop.
5790
5791         * graphite.h (nb_params_in_scop): ... here.
5792         (scop_nb_params): Removed.
5793         (loop_domain_dim): Return something even when the loop was not
5794         found in the hash table: avoid ICEing on all the graphite.exp
5795         testcases.
5796
5797 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5798
5799         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5800
5801         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5802         according to nesting level.
5803         (find_scop_parameters): Call instantiate_parameters.
5804         (scan_tree_for_params): Extend it to handle general affine bounds.
5805         Inner loop bound can depend on outer loop induction variable.
5806         (setup_cloog_loop): tmp variable is allocated on stack. Call
5807         instantiate_parameters with respect to outermost_loop_in_scop.
5808         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5809         graphite.h.
5810         (create_empty_loop): Function loopify should be given edge
5811         probability, instead of edge frequency. Dominance relation from
5812         switch_bb to loop_header.
5813         (clast_to_gcc_expression): Added handling of clast_reduction node.
5814         (gloog): New functionality for removing old loop.
5815         (test_dependence): Factored out from build_rdg_all_levels.
5816         (build_rdg_all_levels): Dependence testing factored out to
5817         test_dependence function.
5818
5819         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5820         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5821         from graphite.c
5822
5823 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5824
5825         * graphite.c (free_scop, param_index, initialize_cloog_names,
5826         nb_params_in_scop): Use name_tree map instead of just a tree
5827         for keeping track of the variable name associated to that tree.
5828         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5829         clast_to_gcc_expression, graphite_create_iv,
5830         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5831         graphite_stmt_to_gcc_stmt): New.
5832         (gloog): Call these.
5833         * graphite.h (struct name_tree): New.
5834         (struct scop): Use name_tree instead of tree for params.
5835         Store a vector of name_tree for new_ivs.
5836         (SCOP_NEWIVS): New.
5837         (scop_nb_params): Use name_tree instead of tree.
5838
5839 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5840             Sebastian Pop  <sebastian.pop@amd.com>
5841
5842         * tree-bounds.c: New.
5843         * tree-bounds.h: New.
5844         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5845         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5846         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5847         flag_mudflap.
5848         * gcc.c: Same.
5849         * toplev.c: Same.
5850         * c-cppbuiltin.c: Same.
5851         * c-pragma.c: Same.
5852         * common.opt: Same.
5853         * varasm.c: Same.
5854         * tree-outof-ssa.c: Same.
5855         * c-common.c: Same.
5856         * Makefile.in: Same.
5857
5858 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5859             Sebastian Pop  <sebastian.pop@amd.com>
5860
5861         * tree-loop-distribution.c (remaining_stmts,
5862         upstream_mem_writes): Removed static variables.
5863         (copy_loop_before, create_bb_after_loop,
5864         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5865         rdg_build_components, rdg_build_partitions,
5866         dump_rdg_partitions): Extern.
5867         (generate_loops_for_partition, generate_code_for_partition): Do not
5868         return a bool.
5869         (already_processed_vertex_p, predecessor_has_mem_write,
5870         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5871         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5872         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5873         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5874         Pass remaining_stmts and upstream_mem_writes as parameters.
5875         (rdg_component): Moved...
5876         (build_rdg_partition_for_component): Do not aggregate components when
5877         flag_streamize_loops is set.
5878         (gen_sequential_loops): New.
5879         (ldist_gen): Call gen_sequential_loops.
5880
5881         * tree-pass.h (pass_loop_streamization): Declared.
5882
5883         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5884         basic blocks when loops structures exist.
5885
5886         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5887
5888         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5889
5890         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5891         eliminate_local_variables_stmt, eliminate_local_variables,
5892         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5893         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5894         of code delimited by two edges in the CFG.
5895         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5896         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5897         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5898         the case of parallelisation of reductions.
5899         (create_loop_fn): Extern.
5900         (create_omp_parallel_region): New.
5901
5902         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5903         dump_data_reference for printing dra and drb.
5904         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5905         RDGE_RELATION.
5906         (build_rdg): Don't call free_dependence_relations for the moment, as
5907         we attach dependence relations on each edge of the RDG.
5908         To be fixed later.
5909
5910         * tree-data-ref.h (rdg_component): ...here.
5911         (struct rdg_edge): New field ddr_p relation.
5912         (RDGE_RELATION): New.
5913         (create_bb_after_loop, copy_loop_before,
5914         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5915         rdg_build_partitions, dump_rdg_partitions,
5916         free_rdg_components): Declared.
5917
5918         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5919         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5920
5921         * tree-loop-streamization.c: New.
5922
5923         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5924         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5925
5926         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5927
5928         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5929
5930         * passes.c: Schedule pass_loop_streamization.
5931
5932 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5933
5934         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5935         update comment.
5936
5937 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5938
5939         * graphite.c (dot_all_scops): Update formatting.
5940         Bbs can now be part of more than one SCoP.
5941
5942 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5943
5944         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5945         malloc problems.
5946         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5947         * graphite.h (loop_to_cloog_loop): New.
5948
5949 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5950
5951         * graphite.c (loop_domain_dim, ref_nb_loops,
5952         loop_iteration_vector_dim): New.
5953         (build_access_matrix_with_af, build_access_matrix,
5954         initialize_dependence_polyhedron): Fixed for new matrix layout.
5955         No longer assume that all iteration domains are of the same
5956         dimensionality.
5957
5958 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5959
5960         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5961         defined in a loop at depth 0 is invariant.
5962         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5963         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5964         be called at loop depth 0.
5965
5966         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5967         a parameter.
5968         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5969         (down_open_scop): Removed.
5970         (loop_in_scop_p): Redefined.
5971         (scop_affine_expr): New argument: scop.
5972         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5973         a harmful statement ending a scop.
5974         (basic_block_simple_for_scop_p): New argument: scop.
5975         (get_loop_start): Removed.
5976         (new_scop): Initialize SCOP_LOOPS.
5977         (free_scop): Free SCOP_LOOPS.
5978         (succs_at_same_depth, preds_at_same_depth): New.
5979         (end_scop): Test the validity of a scop.
5980         (add_dominators_to_open_scops): New.
5981         (test_for_scop_bound): Call add_dominators_to_open_scops.
5982         Add cases for opening and closing multiple scops.
5983         (build_scops, build_scop_bbs): Iterate over basic blocks in
5984         depth first order.
5985         (build_graphite_bb): Pass scop directly.
5986         (dfs_bb_in_scop_p): New.
5987         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5988         several times.
5989         (nb_loops_around_gb): Use loop_in_scop_p.
5990         (schedule_to_scattering): Disabled for the moment the code computing
5991         the "textual order for outer loop".
5992
5993         * graphite.h (struct scop): New field loops.
5994         (SCOP_LOOPS): New.
5995         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5996
5997         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5998
5999 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6000             Sebastian Pop  <sebastian.pop@amd.com>
6001
6002         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6003         * common.opt (fstreamize-loops): New.
6004         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6005         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6006         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6007         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6008
6009 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6010
6011         * tree-data-ref.c (build_empty_rdg): New.
6012         (build_rdg): Use it.
6013         * tree-data-ref.h (build_empty_rdg): Declared.
6014         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6015         (find_vertex_for_stmt): Removed.
6016         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6017
6018 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6019
6020         * tree-loop-distribution.c (generate_builtin): After cancelling the
6021         loop tree, also delete basic blocks.
6022         (rdg_flag_uses): Stop recursion when a vertex has already been
6023         processed.
6024
6025 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6026
6027         * graphite.c (build_scop_alpha): Removed.
6028         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6029         and dump_dependence_graph to avoid compiler warnings.
6030
6031 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6032
6033         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6034         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6035         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6036         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6037         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6038         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6039         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6040         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6041         dump_dependence_graph): New.
6042         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6043         (GBB_ALPHA): New.
6044         (struct scop): New field loop2cloog_loop.
6045         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6046         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6047
6048 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6049
6050         * graphite.c (build_graphite_bb): Fix initialization
6051         of the graphite basic block.
6052
6053 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6054
6055         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6056         loop domain matrix.  Pass in the number of loops contained in the
6057         constraint matrix.
6058         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6059         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6060         loops that are not surrounding the current loop are not represented
6061         in the domain constraint matrix.
6062         (build_scop_iteration_domain): Initial domain constraint matrix
6063         contains only the eq/ineq, cst, and scop parameters columns.
6064
6065 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6066
6067         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6068         (print_graphite_bb): Print scattering.
6069
6070 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6071
6072         * graphite.c (initialize_cloog_names): Initialize names of
6073         scattering variables.
6074
6075 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6076
6077         * graphite.c (dot_all_scops_1): Disable debug output while
6078         printing graph.
6079
6080 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6081
6082         * graphite.c (find_transform): Change cloog output language to C.
6083
6084 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6085
6086         * tree-loop-distribution.c (generate_memset_zero,
6087         generate_builtin, generate_code_for_partition,
6088         rdg_flag_all_uses): New.
6089         (rdg_flag_uses): Gather in the same partition the statements defining
6090         the VUSES of the current statement.
6091         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6092         Gather in the same partition not only the stores to the same memory
6093         access, but also the reads.
6094         (ldist_generate_loops): Renamed ldist_gen.
6095
6096 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6097             Tobias Grosser  <grosser@fmi.uni-passau.de>
6098
6099         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6100         next pointer, don't use the inner pointer.
6101
6102 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6103
6104         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6105         (find_transform): Call dot_all_1.
6106         * graphite.h (dot_all_scops): Declared.
6107
6108 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6109
6110         * tree-loop-distribution.c: Fix apsi.f ICE.
6111         (create_bb_after_loop): New.
6112         (generate_loops_for_partition): Use it.
6113         * testsuite/gfortran.dg/ldist-1.f90: New.
6114
6115         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6116         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6117
6118 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6119
6120         * graphite.c (find_transform): Dump cloog program sent to cloog.
6121
6122 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6123
6124         * graphite.c (initialize_cloog_names): Initialize cloog
6125         iterator names.
6126
6127 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6128
6129         * graphite.c (build_scop_context): Fix typo, for the matrix
6130         format: insert '0 >= 0' instead of '-1 >= 0'.
6131
6132 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6133
6134         * Fix merge problems.
6135
6136 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6137
6138         * graphite.c (setup_cloog_loop): Fix typo.
6139
6140 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6141
6142         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6143         * tree-loop-distribution.c: Reimplemented.
6144         * tree-pass.h (pass_loop_distribution): New.
6145         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6146         print_loops.
6147         * graphds.h (struct graph): New field indexes.
6148         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6149
6150         * tree-vect-analyze.c: Remove declaration of static functions when not
6151         needed.
6152         * tree-vectorizer.c: Same.
6153         (rename_variables_in_loop): Now extern.
6154         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6155         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6156         calling redirect_edge_and_branch_force.
6157
6158         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6159
6160         * tree-data-ref.c: Don't include tree-chrec.h.
6161         (debug_data_dependence_relations): New.
6162         (dump_data_dependence_relation): Call dump_data_reference on data refs
6163         in the relation.
6164         (same_access_functions): Moved...
6165         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6166         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6167         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6168         struct rdg_vertex_info, ): New.
6169         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6170         at DDR_REVERSED_P.
6171         (create_rdg_vertices): Initialize the htab of graph->indexes.
6172         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6173         (stmts_from_loop): Don't save LABEL_EXPR.
6174         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6175         hash_stmt_vertex_del): New.
6176         (build_rdg): Initialize rdg->indexes.
6177         (free_rdg, stores_from_loop, ref_base_address,
6178         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6179         have_similar_memory_accesses_1, ref_base_address_1,
6180         remove_similar_memory_refs): New.
6181
6182         * tree-data-ref.h: Include tree-chrec.h.
6183         (debug_data_dependence_relations): Declared.
6184         (same_access_functions): ...here.  Now static inline.
6185         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6186         ddr_dependence_level): New.
6187         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6188         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6189         RDG_MEM_READS_STMT): New.
6190         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6191         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6192         rdg_vertex_for_stmt): Declared.
6193         (struct rdg_edge): New field level.
6194         (RDGE_LEVEL, free_rdg): New.
6195         (stores_from_loop, remove_similar_memory_refs,
6196         rdg_defs_used_in_other_loops_p,
6197         have_similar_memory_accesses): Declared.
6198         (rdg_has_similar_memory_accesses): New.
6199
6200         * lambda.h (dependence_level): New.
6201         * common.opt (ftree-loop-distribution): New.
6202         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6203         (print_loop_ir): Renamed print_loops.
6204         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6205         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6206         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6207         (tree-loop-distribution.o): Added.
6208         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6209         (mark_virtual_ops_in_bb): New.
6210         (print_loops_bb, debug_loop_num, debug_loop): New.
6211         * passes.c: Scheduled pass_loop_distribution.
6212
6213 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6214
6215         * graphite.c (scan_tree_for_params): Correct the number of columns
6216         for polylib format.
6217         (nb_flat_iterator): New.
6218         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6219         (build_scop_iteration_domain): Correct the number of columns for
6220         polylib format.
6221
6222 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6223
6224         * Merge from mainline (129697:130800).
6225
6226 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6227
6228         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6229         dominated by SCoP's exit.
6230         (graphite_transform_loops): Compute post dominators.
6231
6232 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6233
6234         * Merge from mainline (127169:129697).
6235
6236 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6237
6238         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6239         parameter for the basic block that contains the expression.  Use
6240         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6241         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6242         the expression.
6243         * graphite.h (gbb_loop): New.
6244         (GBB_LOOP): Removed.
6245
6246 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6247
6248         * Makefile.in: Fix merge problem.
6249
6250 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6251
6252         * Merge from mainline (125309:127169).
6253         * tree-loop-distribution.c: Disabled.
6254
6255 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6256
6257         * Merge from mainline (r123693:125309).
6258
6259 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6260
6261         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6262         correct_modify_p
6263         (correct_modify_p, check_statements, number_of_lvalue_uses,
6264         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6265         instead of MODIFY_EXPR.
6266         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6267         and push new edges.
6268
6269 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6270
6271         * tree-loop-distribution.c (struct rdg): Replace arrays by
6272         VECs for edges and vertices.
6273         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6274         (RDGV_NB_PARTITIONS): New.
6275         (PRDG_NBV, PRDG_NBE): Removed.
6276         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6277         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6278         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6279
6280 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6281             Sebastian Pop  <sebpop@gmail.com>
6282
6283         * doc/invoke.texi (-ftree-loop-distribution): Document.
6284         * tree-loop-distribution.c: New file.
6285         * tree-pass.h (pass_loop_distribution): Declared.
6286         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6287         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6288         and set reversed_p.
6289         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6290         (DDR_REVERSED_P): New.
6291         * common.opt (-ftree-loop-distribution): New.
6292         * tree-flow.h (distribute_loops): Declared.
6293         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6294         * passes.c (init_optimization_passes): Schedule loop distribution.
6295
6296 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6297
6298         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6299         (print_scop): Don't print when scop is NULL.
6300         (build_scop_context, find_transform): Don't output to stderr.
6301
6302 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6303
6304         * tree-data-ref.c: Don't include graphite.h.
6305         Comment out the code for printing data reference's scop.
6306         (build_access_matrix_with_af): Moved...
6307         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6308         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6309         (print_graphite_bb): Print basic block's schedule.
6310         (print_scop): Don't print the schedule, call cloog's pretty printer.
6311         (bb_in_scop_p): A basic block is in a scop only if it is both
6312         dominated and postdominated by the scop's entry and exit basic blocks.
6313         (function_parameter_p): New.
6314         (invariant_in_scop_p): Use function_parameter_p.
6315         (new_scop, save_scop): New.
6316         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6317         save_scop.
6318         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6319         (loop_in_scop_p): New.
6320         (scop_record_loop): Use loop_in_scop_p.
6321         (build_scop_domain): Renamed build_scop_iteration_domain.
6322         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6323         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6324         setup_cloog_loop, dot_scop_1, dot_scop): New.
6325         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6326         (struct scop): Add a pointer to cloog's representation of a program.
6327
6328 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6329
6330         * doc/invoke.texi (-ftree-check-verbose): Renamed
6331         -ftree-checks-verbose.
6332         * common.opt (flag_tree_check_verbose): Renamed
6333         flag_tree_checks_verbose.
6334         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6335
6336 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6337
6338         * configure: Regenerated.
6339         * config.in: Regenerated.
6340         * tree-ssa-loop.c (graphite_transforms): Execute
6341         graphite_transform_loops only when HAVE_cloog.
6342         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6343         * graphite.c: Include polylibgmp.h and cloog.h.
6344         (graphite_transform_loops): Removed loops parameter.
6345         * tree-flow.h (graphite_transform_loops): Update declaration.
6346         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6347         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6348         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6349         (OBJS-common): Remove dependence on graphite.o.
6350         (BACKEND): Depend on @GRAPHITE@.
6351
6352 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6353
6354         * doc/invoke.texi (-ftree-check-verbose): Documented.
6355         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6356         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6357         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6358         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6359         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6360         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6361         * common.opt (ftree-checks-verbose): New.
6362         * tree-check.c (tree_check_warning): Move extra stderr output
6363         under control of flag_tree_check_verbose.
6364
6365 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6366
6367         * tree-match.c: Fix comments formatting.
6368         * tree-match.h: Fix comments formatting.
6369         * tree-check.c: Fix comments formatting.
6370         (tree_check_init): Restructure.
6371
6372 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6373
6374         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6375
6376 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6377
6378         * Merge from mainline (r120733:123693).
6379
6380 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6381
6382         * condate.y: New file.
6383         * tree-match.h (struct patt_info_s): New field sign.
6384         (struct condate_s): New field msg.
6385         (normalize_condate, name_condate, add_condate): New.
6386         (conds[], condate_parse): Made extern.
6387         * tree-check.c (tree_check_warning): First arg changed to cond;
6388         warning reformatted.
6389         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6390         (tree_scan): New.
6391         (tree_check): Process trivial condates.
6392         (read_delimited_string): Removed.
6393         (print_cond): Print name and msg.
6394         (conds[]): Made extern.
6395         (parse_tree_check_file_once): Rewritten to use the parser in
6396         condate.y.
6397         Processing of option --tree_check_string moved to tree_scan().
6398         * Makefile.in: Added condate.y
6399
6400 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6401
6402         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6403         Use VECs instead of varrays.
6404         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6405         * Makefile.in (pretty-print.o): Depend on vec.h.
6406         * pretty-print.c: Include tree.h and vec.h.
6407         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6408         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6409         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6410         pp_free_list): Use VECs instead of varrays.
6411         * pretty-print.h: Do not include varray.h.
6412         (struct tree_chunk_s): Declaration moved before its use.
6413         (output_buffer): Rename varray field to chunks.
6414         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6415         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6416         save_global_holes): Use VECs instead of varrays.
6417         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6418         * tree-check.c (scan_cfg_stmts, push_node,
6419         print_matching_stmt): Removed.
6420         (tree_check_instance, push_global_holes_if_new, tree_check,
6421         execute_tree_check): Use VECs instead of varrays.
6422         (gate_tree_check): Don't execute the CFG check when basic_block_info
6423         is not available.
6424
6425 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6426
6427         * Merge from mainline (r115016:120733).
6428
6429 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6430
6431         * Merge from mainline (r117632:117661).
6432
6433 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6434
6435         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6436         * tree-pass.h (TDF_DEBUG, debug_p): New.
6437         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6438         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6439         get_loop_exit_condition, analyze_evolution_in_loop,
6440         analyze_initial_condition, analyze_scalar_evolution,
6441         instantiate_parameters, number_of_latch_executions): Use debug_p.
6442         * tree-chrec.c (chrec_apply): Use debug_p.
6443         * tree-data-ref.c: Include graphite.h.
6444         (dump_data_reference): Print also the access matrix.
6445         (analyze_array, analyze_indirect_ref, init_data_ref,
6446         analyze_offset_expr, address_analysis, object_analysis,
6447         create_data_ref, finalize_ddr_dependent,
6448         non_affine_dependence_relation, analyze_ziv_subscript,
6449         analyze_siv_subscript_cst_affine,
6450         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6451         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6452         analyze_miv_subscript, analyze_overlapping_iterations,
6453         build_classic_dist_vector, subscript_dependence_tester,
6454         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6455         (build_access_matrix_with_af): No longer static.
6456         * tree-data-ref.h (scop_p): ... declaration here.
6457         (data_reference.scop): New field.
6458         (DR_SCOP, DR_ACCESS_MATRIX): New.
6459         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6460         * graphite.c (print_graphite_bb): Call dump_data_references.
6461         (print_scop): Use scop_nb_loops and scop_dim_domain.
6462         (test_for_scop_bound): Use debug_p.
6463         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6464         scop_nb_params.
6465         (scop_loop_index): Moved...
6466         (scop_record_loop): New.
6467         (build_scop_loop_nests): Use scop_record_loop.
6468         (build_scop_domain): Use scop_dim_domain.
6469         (build_access_matrix): Implemented.
6470         (build_scop_canonical_schedules): Use scop_nb_loops.
6471         (build_graphite_bb): Initialize GBB_SCOP.
6472         * graphite.h (scop_p): Moved...
6473         (graphite_bb.scop): New field.
6474         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6475         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6476         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6477         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6478         scop_loop_index): New.
6479         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6480
6481 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6482
6483         * Merge from mainline (r117661:120450).
6484
6485 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6486
6487         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6488         at the first declaration outside the varying loop, instantiate as
6489         far as possible.
6490         * tree-chrec.c (for_each_scev_op): New.
6491         * tree-chrec.h (for_each_scev_op): Declared.
6492         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6493         * tree-data-ref.c (get_references_in_stmt,
6494         find_data_references_in_stmt): New, from trunk.
6495         (find_data_references_in_loop): Use get_references_in_stmt
6496         and find_data_references_in_loop, modified as in trunk.
6497         (build_access_matrix_with_af): New.
6498         * tree-data-ref.h (data_reference): Add a field access_matrix.
6499         (data_ref_loc): New, as in trunk.
6500         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6501         invariant_in_scop_p, param_index, scan_tree_for_params,
6502         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6503         idx_record_param, idx_record_params, build_access_matrix,
6504         build_scop_data_accesses, build_scop_canonical_schedules,
6505         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6506         build_scop_params): New.
6507         * graphite.h (graphite_bb): New.
6508         (scop): Add fields static_schedule, params, loop_nest,
6509         iteration_domain.
6510         * lambda.h: Declare vecs of lambda_matrix.
6511         * tree-flow.h (print_loop_ir_bb): Declared.
6512         * tree-cfg.c (print_loop_ir_bb): New.
6513         (print_loop): Use print_loop_ir_bb.
6514
6515 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6516
6517         * Merge from mainline (r115016:117632).
6518
6519 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6520
6521         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6522         break due to a warning.
6523
6524 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6525
6526         * graphite.c (print_scops, debug_scops): New.
6527         (graphite_transform): Renamed graphite_find_transform.
6528         * graphite.h (debug_scops): Declared.
6529
6530 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6531
6532         * tree-match.c: Reformat following the GNU style.
6533         * tree-match.h: Reformat following the GNU style.
6534         * tree-pattern.h: Removed empty file.
6535         * Makefile.in: Remove references to tree-pattern.h.
6536         * tree-check.c: Reformat following the GNU style.
6537         (execute_tree_check): Move gate condition code to...
6538         (gate_tree_check): ...here.  New function.
6539         (pass_check): Use the gate function.
6540
6541 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6542
6543         * tree-pattern.h: New. Tree pattern matching and checking using
6544         concrete syntax.
6545         * tree-check.c: New. Tree/CFG checking pass.
6546         * tree-match.c: New. Library for tree pattern matching.
6547         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6548         * toplev.c, flags.h: Add globals for tree-check pass.
6549         * Makefile.in: Integrate the files in tree-check pass.
6550         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6551         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6552         Introduce a "lazy" pretty-print mode.
6553         * tree.c, tree.h: Add tree_name.
6554
6555 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6556
6557         * doc/invoke.texi (-fgraphite): Correct typo.
6558         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6559         use of print_loop_ir.
6560         * testsuite/gcc.dg/graphite/scop-1.c: New.
6561         * testsuite/gcc.dg/graphite/scop-2.c: New.
6562         * testsuite/gcc.dg/graphite/graphite.exp: New.
6563         * graphite.c: Include domwalk.h.
6564         (print_scop): Print only the entry and exit blocks.
6565         (debug_scop): No longer static.
6566         (affine_expr): Fix formating.  Return also true when the expression is
6567         constant.
6568         (stmt_simple_for_scop_p): Fix formating.
6569         (build_scops): Use domwalk.
6570         (get_loop_start, end_scop, test_for_scop_bound): New.
6571         (graphite_transform_loops): Avoid printing on stderr.
6572         * graphite.h (debug_scop): Declared.
6573         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6574         * Makefile.in (graphite.o): Depend on domwalk.h.
6575         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6576         declarations for static functions.
6577         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6578         controlling output verbosity.
6579
6580 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6581             Plesco Alexandru  <shurikx@gmail.com>
6582
6583         * doc/invoke.texi (-fgraphite): Document.
6584         * tree-pass.h (pass_graphite_transforms): Declared.
6585         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6586         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6587         (pass_graphite_transforms): Defined.
6588         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6589         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6590         * graphite.c, graphite.h: New.
6591         * common.opt (fgraphite): Declared.
6592         * tree-flow.h (graphite_transform_loops): Declared.
6593         * Makefile.in (OBJS-common): Add graphite.o.
6594         (graphite.o): New rule.
6595         * passes.c (pass_graphite_transforms): Scheduled.
6596