gcc/ChangeLog.graphite

   1 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-interchange.c (memory_stride_in_loop): Renamed
   4         pdr_stride_in_loop.
   5         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
   6         (memory_strides_in_loop): Memoize the memory strides per loop.
   7         (lst_interchange_profitable_p): Do not initialize to zero the memory
   8         strides.
   9         * graphite-poly.h (struct lst): Add a field memory_strides.
  10         (LST_LOOP_MEMORY_STRIDES): New.
  11         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  12         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  13
  14 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  17         memory_strides_in_loop.  Gather memory strides on a whole loop.
  18         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  19         (lst_interchange_profitable_p): Removed.
  20         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  21
  22 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  25         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  26         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  27         Remove context_loop and level.
  28
  29 2010-01-07  Richard Guenther  <rguenther@suse.de>
  30
  31         PR tree-optimization/42641
  32         * sese.c (rename_map_elt_info): Use the SSA name version, do
  33         not hash pointers.
  34
  35 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
  38         blocked" only when both the strip mine and the interchange have
  39         been applied.
  40
  41         * testsuite/gcc.dg/graphite/block-2.c: Removed.
  42         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
  43         * testsuite/gcc.dg/graphite/block-4.c: Same.
  44         * testsuite/gcc.dg/graphite/block-5.c: Same.
  45         * testsuite/gcc.dg/graphite/block-6.c: Same.
  46
  47 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
  50         before allocating a new one.
  51         (copy_renames): Check that slot is not NULL.
  52         (mark_bb_with_pbb): Same.
  53         (compute_cloog_iv_types_1): Same.
  54         * graphite-interchange.c (lst_perfect_nestify): Free the before,
  55         nest, and after LSTs.
  56         (lst_try_interchange_loops): Same.
  57
  58 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
  59
  60         PR middle-end/42178
  61         * graphite-interchange.c (lst_try_interchange_loops): Do not return
  62         the before, nest, and after LSTs.
  63         (lst_try_interchange): Removed.
  64         (lst_interchange_select_inner): Do not iterate over the LSTs if they
  65         were modified.
  66         (lst_interchange_select_outer): Apply interchange on the outer loop
  67         until there are no more changes in the inner loops.
  68
  69 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         Revert patch fixing PR middle-end/42221.
  72
  73 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         PR middle-end/42180
  76         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
  77         GIMPLE_CALL.
  78
  79         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
  80
  81 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/42180
  84         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
  85         that contain only one statement.
  86
  87         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
  88
  89 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         PR middle-end/42393
  92         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
  93
  94 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         PR middle-end/42186
  97         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
  98
  99 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         PR middle-end/42205
 102         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 103         Insert the reduction copy in the same block as the phi node.
 104         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 105
 106         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 107         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 108
 109 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         PR middle-end/42221
 112         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 113         the array indexing of ADDR_EXPRs.
 114
 115         * testsuite/gcc.dg/graphite/pr42221.c: New.
 116
 117 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         PR middle-end/42178
 120         PR middle-end/42334
 121         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 122         index.  Call lst_interchange_select_inner only once.
 123         (lst_interchange_select_inner): Update use of lst_try_interchange.
 124         (lst_interchange_select_outer): Update.
 125
 126 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         PR middle-end/42178
 129         PR middle-end/42334
 130         * graphite-interchange.c (lst_try_interchange): Do not increment the
 131         the OUTER index when there is no AFTER kernel.  Do not increment the
 132         OUTER index for after processing the AFTER kernel.
 133         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 134         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 135         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 136         (scop_do_interchange): Update use of lst_interchange_select_outer.
 137
 138         * testsuite/gfortran.dg/graphite/graphite.exp
 139         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 140         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 141         the graphite dump file.
 142         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 143         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 144
 145 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 146
 147         PR middle-end/42178
 148         PR middle-end/42334
 149         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 150         that are empty.
 151         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 152         (lst_try_interchange): Reimplemented.
 153         (lst_interchange_select_inner): Same.
 154         (lst_do_interchange): Renamed lst_interchange_select_outer.
 155         Reimplemented.
 156         (scop_do_interchange): Update use of lst_interchange_select_outer.
 157
 158         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 159         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 160         * testsuite/gcc.dg/graphite/pr42211.c: New.
 161         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 162
 163 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 164
 165         PR middle-end/42181
 166         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 167         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 168
 169         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 170
 171 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 172
 173         PR middle-end/42284
 174         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 175         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 176         (detect_commutative_reduction_arg): Simplified.
 177         (detect_commutative_reduction): Early return when the argument of
 178         the close phi is not of an SSA_NAME.
 179
 180         * testsuite/gcc.dg/graphite/pr42284.c: New.
 181
 182 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 183
 184         * dbgcnt.def (graphite_scop): New counter.
 185         * graphite.c: Include dbgcnt.h
 186         (graphite_transform_loops): Use new counter to limit transformations.
 187
 188 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 189
 190         PR middle-end/42285
 191         * graphite-scop-detection.c (graphite_can_represent_init): Also
 192         handle more complex MULT_EXPRs containing parameters by recursion
 193         on the structure.
 194
 195         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 196
 197 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 198
 199         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 200
 201 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 202
 203         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 204
 205 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 206
 207         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 208         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 209
 210 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 211
 212         PR middle-end/42130
 213         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 214         translate_clast_for_loop): New.
 215         (translate_clast_for): Add a condition around the loop, to do not
 216         execute loops with zero iterations.
 217         * testsuite/g++.dg/graphite/pr42130.C: New.
 218         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 219
 220 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 221
 222         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 223         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 224         Remove context_loop and level.
 225
 226 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 227
 228         * graphite-clast-to-gimple.c (translate_clast_user,
 229         translate_clast_for, translate_clast_guard): Simplify and move common
 230         elements to translate_clast().
 231         (translate_clast): Simplify and get common elements.
 232
 233 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 234
 235         * graphite-clast-to-gimple.c (translate_clast_user,
 236         translate_clast_for, translate_clast_guard): Split out of
 237         translate_clast.
 238
 239 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 240
 241         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 242         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 243         debug_clast_name_indexes_1, debug_clast_name_indexes,
 244         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 245         (clast_name_to_gcc, clast_to_gcc_expression,
 246         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 247         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 248         graphite_create_guard_cond_expr, graphite_create_new_loop,
 249         translate_clast): Add params_index.
 250         (initialize_cloog_names): Create parameter strings from scratch, do
 251         not reference other strings.
 252         (create_params_index): New.
 253         (gloog): Initialize params_index.
 254         * graphite-scop-detection (free_scops_1): Removed.
 255         (limit_scops): Use normal free_scops.
 256         * graphite-sese-to-poly.c (save_var_names): Removed.
 257         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 258         and SESE_PARAMS_INDEX.
 259         * sese.c (new_sese, free_sese): Dito.
 260         * sese.h (struct sese): Remove params_index, params_names.
 261         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 262
 263 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         Revert the following patch from 2009-09-14:
 266         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 267         tree-scalar-evolution.h, and then tree-data-ref.h.
 268         * graphite-clast-to-gimple.c: Same.
 269         * graphite-dependences.c: Same.
 270         * graphite-interchange.c: Same.
 271         * graphite-poly.c: Same.
 272         * graphite-scop-detection.c: Same.
 273         * graphite-sese-to-poly.c: Same.
 274         * graphite.c: Same.
 275         * lambda-code.c: Same.
 276         * matrix-reorg.c: Same.
 277         * tree-data-ref.c: Same.
 278         * tree-if-conv.c: Same.
 279         * tree-loop-distribu: Same.: Same.
 280         * tree-loop-linear.c: Same.
 281         * tree-parloops.c: Same.
 282         * tree-predcom.c: Same.
 283         * tree-vect-patterns.c: Same.
 284
 285 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         Revert patch from 2009-09-14.
 288         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 289         passes at -O1 and below.
 290
 291 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         PR middle-end/40281
 294         * testsuite/gcc.dg/graphite/pr40281.c: New.
 295
 296         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 297         evolutions should not variate in inner loops.
 298
 299 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 300
 301         PR middle-end/42050
 302         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 303
 304 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 305
 306         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 307         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 308
 309 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 310
 311         * graphite-blocking.c (scop_do_block): New.
 312         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 313         * graphite-poly.h (scop_do_block): Declared.
 314
 315 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 316
 317         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 318         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 319         to transform depth into the time_depth before calling
 320         pbb_number_of_iterations_at_time.
 321         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 322         lst_depth.
 323
 324 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         Reverted the patch for "scattering permutations" from 2009-10-28.
 327
 328         * graphite-poly.c (print_permutation): New.
 329         (debug_permutation): New.
 330         (new_poly_bb): Initialize PBB_PERMUTATION.
 331         (free_poly_bb): Free PBB_PERMUTATION.
 332         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 333         (struct pbb_permutation_elt): New.
 334         (PBB_PERMUTATION_ELT_STRIDE): New.
 335         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 336         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 337         (new_pbb_permutation_elt): New.
 338         (pbb_permutation_elt_free): New.
 339         (struct poly_bb): Add field permutation.
 340         (PBB_PERMUTATION): New.
 341         (print_permutation): Declared.
 342         (debug_permutation): Declared.
 343
 344 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 345
 346         * graphite-interchange.c (build_partial_difference): New.
 347         (memory_stride_in_loop): Refactored the computation of
 348         equality constraints into build_partial_difference function.
 349         Added support for debugging stride computations.
 350
 351 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 352
 353         * graphite-clast-to-gimple.c (gloog): Free if_region,
 354         if_region->true_region, and if_region->region.
 355         * sese.c (if_region_set_false_region): Free if_region->false_region.
 356         (create_if_region_on_edge): Do not use GGC_NEW.
 357         (move_sese_in_condition): Remove useless initialization.
 358
 359 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 360
 361         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 362         for the loops created by the loop distribution.  Do not modify the
 363         input LSTs.
 364         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 365         transformed schedule.  Call lst_update_scattering before data
 366         dependence analysis.
 367         (lst_try_interchange): Pass an extra parameter INDEX.
 368         (lst_do_interchange_1): New.
 369         (lst_do_interchange): Call lst_do_interchange_1.
 370         (scop_do_interchange): Call lst_update_scattering.
 371         * graphite-poly.c (apply_poly_transforms): Do not call
 372         lst_update_scattering.
 373         * graphite-poly.h (lst_pred): New.
 374         (lst_succ): New.
 375         (lst_find_first_pbb): Return NULL when not found.
 376         (lst_empty_p): New.
 377         (lst_insert_in_sequence): Allow LST1 to be NULL.
 378         (lst_replace): New.
 379         (lst_substitute_3): New.
 380         * gcc.dg/graphite/interchange-1.c: XFail.
 381         * gcc.dg/graphite/interchange-8.c: XFail.
 382         * gcc.dg/graphite/interchange-11.c: XFail.
 383
 384 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 385
 386         * graphite-interchange.c (lst_perfectly_nested_p): New.
 387         (lst_perfect_nestify): New.
 388         (lst_try_interchange_loops): Call store_lst_schedule,
 389         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 390         (scop_do_interchange): Avoid redundant legality test.
 391         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 392         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 393         * graphite-poly.h (psct_static_dim): New.
 394         (lst_dewey_number_at_depth): New.
 395         (lst_find_pbb): Restructured.
 396         (lst_find_first_pbb): Restructured.
 397         (lst_find_last_pbb): New.
 398         (lst_contains_p): New.
 399         (lst_contains_pbb): New.
 400         (lst_create_nest): New.
 401         (lst_remove_from_sequence): New.
 402         (pbb_update_scattering): New.
 403         (lst_update_scattering_under): New.
 404         (lst_update_scattering_seq): New.
 405         (lst_update_scattering): New.
 406         (lst_insert_in_sequence): New.
 407         (lst_distribute_lst): New.
 408         (lst_remove_all_before_including_pbb): New.
 409         (lst_remove_all_before_excluding_pbb): New.
 410
 411 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 414         get_loop_exit_edges.
 415
 416 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 417
 418         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 419
 420 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 421
 422         * graphite-poly.c (print_permutation): New.
 423         (debug_permutation): New.
 424         (new_poly_bb): Initialize PBB_PERMUTATION.
 425         (free_poly_bb): Free PBB_PERMUTATION.
 426         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 427         (struct pbb_permutation_elt): New.
 428         (PBB_PERMUTATION_ELT_STRIDE): New.
 429         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 430         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 431         (new_pbb_permutation_elt): New.
 432         (pbb_permutation_elt_free): New.
 433         (struct poly_bb): Add field permutation.
 434         (PBB_PERMUTATION): New.
 435         (print_permutation): Declared.
 436         (debug_permutation): Declared.
 437
 438 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 439
 440         * graphite-clast-to-gimple.c (gloog): Do not call
 441         sese_reset_aux_in_loops.
 442         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 443         extra argument for domains.  Do not use loop->aux.
 444         (build_scop_iteration_domain): Initialize and free domains, pass it
 445         to build_loop_iteration_domains and extract the information from
 446         domains.  Do not use loop->aux.
 447         * sese.c (sese_reset_aux_in_loops): Removed.
 448         * sese.h (sese_reset_aux_in_loops): Removed.
 449
 450 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 453         (dependency_in_loop_p): Same.
 454         (translate_clast): Do not use loop->aux.  Initialize
 455         loop->can_be_parallel.
 456         (mark_loops_parallel): Removed.
 457         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 458         * graphite.c (free_aux_in_new_loops): Removed.
 459         (graphite_finalize): Do not call free_aux_in_new_loops.
 460         (graphite_transform_loops): Do not call mark_loops_parallel.
 461
 462 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 463
 464         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 465         (translate_clast): Pass an extra parameter LEVEL.
 466         Call get_scattering_level.
 467         * graphite-clast-to-gimple.h (get_scattering_level): New.
 468
 469 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 472         * cfgloop.h (struct loop): New field single_iv.
 473
 474         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 475         loop->aux anymore: use loop->single_iv.
 476         (graphite_loop_normal_form): Moved...
 477         (build_graphite_loop_normal_form): Removed.
 478         (gloog): Do not call build_graphite_loop_normal_form.
 479         (free_aux_in_new_loops): Moved...
 480         (mark_loops_parallel): Restructure.
 481         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 482         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 483         (scop_canonicalize_loops): New.
 484         (build_poly_scop): Call scop_canonicalize_loops.
 485         * graphite.c (free_aux_in_new_loops): ...here.
 486
 487 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 488
 489         * g++.dg/graphite/graphite.exp: Add the same rules as in
 490         gcc.dg/graphite/graphite.exp.
 491
 492 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * g++.dg/graphite/id-1.C: New.
 495
 496 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 499         argument base_name.
 500         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 501         (rewrite_phi_out_of_ssa): Same.
 502         (rewrite_cross_bb_scalar_deps): Same.
 503         (translate_scalar_reduction_to_array): Same.
 504
 505 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 508         dump_alias_graphs.
 509
 510 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 513         (build_scop_drs): Call dump_alias_graphs.
 514
 515 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 518         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 519         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 520         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 521         * graphite-poly.h (free_lst): New.
 522         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 523         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 524
 525 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-poly.h (struct scop): Add a field saved_schedule.
 528         (SCOP_SAVED_SCHEDULE): New.
 529         (store_lst_schedule): New.
 530         (restore_lst_schedule): New.
 531         (store_scattering): Call store_lst_schedule.
 532         (restore_scattering): Call restore_lst_schedule.
 533
 534 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 535
 536         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 537         (pdr_add_alias_set): Same.
 538         (build_poly_dr): Same.
 539         (build_alias_set_optimal_p): Same.
 540         (build_base_obj_set_for_drs): Same.  Do not store the result of
 541         graphds_dfs.
 542
 543 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 544
 545         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 546         all_components_are_cliques to 1.
 547
 548 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 549
 550         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 551         the new structure.
 552         (pdr_add_alias_set): Update retrieving alias_set_num.
 553         (build_poly_dr): Update retrieving dr_base_object_set.
 554         (partition_drs_to_sets): Remove.
 555         (build_alias_set_optimal_p): New.
 556         (build_alias_set_for_drs): Rename.
 557         (build_scop_drs): Update.
 558         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 559         (ALIAS_SET_INDEX): Remove.
 560         (BASE_OBJECT_SET_INDEX): Remove.
 561
 562 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 565
 566 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 569         loop upper bounds for 1-element arrays at end of structures.
 570         * tree-flow.h (array_at_struct_end_p): Declared.
 571         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 572
 573 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * g++.dg/graphite/pr41305.C: New.
 576
 577 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 578
 579         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 580         construction of parameter constraints from loop iteration analysis.
 581         * gcc.dg/graphite/run-id-2.c: New test.
 582
 583 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 586         and new_cstr.
 587
 588 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-dependences.c (dependence_polyhedron_1): Remove
 591         unused gdim dimensions from the DDR polyhedron.
 592
 593 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-dependences.c (pddr_transformed_scattering): New.
 596         (dot_original_deps_stmt_1): New.
 597         (dot_transformed_deps_stmt_1): New.
 598         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 599         dot_transformed_deps_stmt_1.
 600         (dot_original_deps): New.
 601         (dot_transformed_deps): New.
 602         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 603
 604 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 605
 606         * graphite-dependences.c (reduction_dr_1): Remove wrong
 607         assert: reduction BBs can have multiple reduction writes
 608         to memory.  interchange-3.f90 is an example.
 609
 610 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         * gfortran.dg/graphite/interchange-3.f90: New.
 613
 614 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 617
 618 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * graphite-dependences.c (dependence_polyhedron_1): Add the
 621         context to the dependence polyhedron.
 622
 623 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 626         PBB_PDR_DUPLICATES_REMOVED.
 627         (new_poly_bb): Same.
 628
 629 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 632         SCOP_CONTEXT.
 633         (build_loop_iteration_domains): Extract bounds on parameters
 634         based on the data size.
 635         (build_scop_context): Do not initialize SCOP_CONTEXT;
 636         add new constraints.
 637
 638 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 641         * graphite-ppl.h (graphite-ppl.h): Declared.
 642
 643 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 644
 645         * graphite-ppl.c (ppl_print_linear_expr): New.
 646         (debug_ppl_linear_expr): New.
 647         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 648         (debug_ppl_linear_expr): Declared.
 649
 650 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 651
 652         * graphite-interchange.c: Fix comments.
 653         * gcc.dg/graphite/block-1.c: Fix comments.
 654
 655 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 658         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 659
 660 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 661
 662         Reapply the patch from Alexander Monakov that disappeared during
 663         the last merges from trunk.
 664
 665         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 666
 667         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 668         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 669
 670 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 671
 672         * graphite-interchange.c (memory_stride_in_loop): The depth
 673         argument corresponds to a dynamic time dimension, so use
 674         psct_dynamic_dim to refer to the transformed scattering dimension.
 675
 676 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 679
 680 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 683         root of the LST.
 684         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 685         the root of the LST.
 686         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 687         fake loop.
 688         (print_lst): Print the root of LST in a different format.
 689         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 690
 691 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 694
 695 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         * doc/passes.texi: Document the Graphite infrastructure.
 698
 699 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 702         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 703         and check the SSA representation.
 704
 705         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 706
 707 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 710
 711 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * gcc.dg/graphite/interchange-11.c: New.
 714
 715 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 716
 717         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 718
 719 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 722         Add -fno-loop-strip-mine and -fno-loop-interchange.
 723         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 724         -fno-loop-strip-mine.
 725         * gfortran.dg/graphite/graphite.exp: Same.
 726
 727 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 730         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 731         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 732         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 733         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 734         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 735         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 736         DEFAULT_FLAGS_GRAPHITE_SCOP.
 737         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 738         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 739
 740 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 743
 744 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 745             Sebastian Pop  <sebastian.pop@amd.com>
 746
 747         * graphite-interchange.c (build_linearized_memory_access): Pass an
 748         offset as parameter.
 749         (memory_stride_in_loop): Include transform scattering in the
 750         access functions to be able to querry the strides in the
 751         transformed loops.
 752         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 753         not the psct_iterator_dim.
 754
 755 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 758         (lst_do_strip_mine_loop): New.
 759         (lst_do_strip_mine): New.
 760         (scop_do_strip_mine): Call lst_do_strip_mine.
 761         * graphite-poly.h (lst_add_loop_under_loop): New.
 762         (lst_find_first_pbb): New.
 763
 764 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * graphite-poly.c (loop_to_lst): Fix LST creation.
 767
 768 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 769
 770         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 771         sizeof(unsigned long) to make it run on 32bit systems.
 772
 773 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 774
 775         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 776         SEGFAULT on 32bit.
 777
 778 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 779
 780         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 781         Comment.
 782         (write_alias_graph_to_ascii_dot): New.
 783         (write_alias_graph_to_ascii_ecc): Ditto.
 784         (partition_drs_to_sets): Add testing of optimality of current method
 785         which assigns alias numbers according to DFS Comopnent number.  used
 786         as heuristic for the upcoming ECC algorithm.
 787         (build_scop_drs): Write to file also with the ecc and dot format.
 788
 789 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         * gfortran.dg/graphite/interchange-1.f: XFail.
 792
 793 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 794
 795         * graphite.c (graphite_initialize): Do not handle functions with
 796         more than 100 basic blocks.
 797
 798 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-blocking.c (pbb_do_strip_mine): Use
 801         PARAM_LOOP_BLOCK_TILE_SIZE.
 802
 803 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 804
 805         * graphite-poly.c (dot_lst_1): New.
 806         (dot_lst): New.
 807         * graphite-poly.h (dot_lst): Declared.
 808
 809 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 810
 811         * graphite-dependences.c (dot_deps_stmt_1): New.
 812         (dot_deps_stmt): New.
 813         * graphite-dependences.h (dot_deps_stmt): Declared.
 814
 815 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 816
 817         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 818         not replace cross BB scalar dependences ending on PHI nodes.
 819         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 820
 821 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         * graphite-poly.c (apply_poly_transforms): Implement the high
 824         level driver for flag_loop_block.
 825         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 826         flag_loop_block.
 827
 828         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 829         -floop-block.
 830         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 831         Add -floop-block.
 832
 833 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 834
 835         * graphite-poly.h (lst_find_pbb): New.
 836         (find_lst_loop): New.
 837
 838 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 839
 840         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 841         * graphite-poly.h (struct scop): Remove dep_graph field.
 842         (SCOP_DEP_GRAPH): Removed.
 843
 844 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-poly.h (copy_lst): Do full copy of LST.
 847
 848 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 849
 850         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 851         when the loop stride is zero.
 852
 853         * gcc.dg/graphite/id-16.c: New.
 854
 855 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-dependences.c (reduction_dr_1): New.
 858         (reduction_dr_p): New.
 859         (graphite_legal_transform_dr): Call reduction_dr_p.
 860         (reduction_ddr): Renamed reduction_ddr_p.
 861         * graphite-poly.h (same_pdr_p): New.
 862         (number_of_write_pdrs): New.
 863         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 864         (split_reduction_stmt): Do not split reduction statements
 865         when there are no writes to memory.
 866         (translate_scalar_reduction_to_array_for_stmt): Insert the
 867         memory reduction statement just after the scalar reduction statement.
 868
 869         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 870         Un-XFAIL-ed.
 871         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 872         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 873
 874 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * graphite-interchange.c (lst_apply_interchange): New.
 877         (lst_interchange_profitable_p): New.
 878         (lst_try_interchange_loops): New.
 879         (lst_try_interchange): New.
 880         (lst_do_interchange): New.
 881         (pbb_do_interchange): Removed.
 882         (scop_do_interchange): Call lst_do_interchange.
 883
 884 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 887         SCOP_TRANSFORMED_SCHEDULE.
 888         (loop_to_lst): New.
 889         (scop_to_lst): New.
 890         (print_lst): New.
 891         (debug_lst): New.
 892         * graphite-poly.h (lst_p): New.
 893         (struct lst): New.
 894         (LST_LOOP_P): New.
 895         (LST_LOOP_FATHER): New.
 896         (LST_PBB): New.
 897         (LST_SEQ): New.
 898         (scop_to_lst): Declared.
 899         (print_lst): Declared.
 900         (debug_lst): Declared.
 901         (new_lst_loop): New.
 902         (new_lst_stmt): New.
 903         (copy_lst): New.
 904         (lst_depth): New.
 905         (lst_dewey_number): New.
 906         (struct scop): Add original_schedule and transformed_schedule fields.
 907         (SCOP_ORIGINAL_SCHEDULE): New.
 908         (SCOP_TRANSFORMED_SCHEDULE): New.
 909         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 910
 911 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-dependences.c (reduction_ddr): New.
 914         (graphite_legal_transform_bb): Call reduction_ddr.
 915         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 916         Initialize PBB_IS_REDUCTION.
 917         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 918         (PBB_IS_REDUCTION): New.
 919         (new_poly_bb): Update declaration.
 920         * graphite-scop-detection.h (build_scop_bbs): Removed.
 921         (nb_reductions_in_loop): Removed.
 922         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 923         parameter for reductions.
 924         (try_generate_gimple_bb): Update call to new_poly_bb.
 925         (build_scop_bbs_1): Same.
 926         (build_scop_bbs): Same.
 927         (gsi_for_phi_node): New.
 928         (scalar_close_phi_node_p): Remove gcc_assert.
 929         (split_reduction_stmt): New.
 930         (is_reduction_operation_p): New.
 931         (phi_contains_arg): New.
 932         (follow_ssa_with_commutative_ops): New.
 933         (detect_commutative_reduction_arg): New.
 934         (detect_commutative_reduction_assign): New.
 935         (follow_inital_value_to_phi): New.
 936         (edge_initial_value_for_loop_phi): New.
 937         (initial_value_for_loop_phi): New.
 938         (detect_commutative_reduction): New.
 939         (translate_scalar_reduction_to_array_for_stmt): New.
 940         (insert_copyout): New.
 941         (insert_copyin): New.
 942         (translate_scalar_reduction_to_array): New.
 943         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 944         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 945         (rewrite_commutative_reductions_out_of_ssa): New.
 946         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 947         * sese.h (split_region_for_bb): New.
 948
 949         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 950         * gcc.dg/graphite/interchange-1.c: Fix format.
 951         * gcc.dg/graphite/interchange-10.c: New.
 952
 953 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 954
 955         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 956         buggy assert.
 957
 958 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 959
 960         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 961         (rewrite_cross_bb_scalar_dependence): New.
 962         (rewrite_cross_bb_scalar_deps): New.
 963         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 964         Call rewrite_cross_bb_scalar_deps.
 965
 966 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 969         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 970         gsi_for_stmt.
 971
 972 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 975         * graphite-interchange.c (pbb_do_interchange): Same.
 976         * graphite-poly.c (print_scattering_function): Same.
 977         (debug_pdrs): Same.
 978         * graphite-poly.h (pbb_loop): New.
 979         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 980
 981 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 984
 985 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 988         so don't pass a pointer to it.
 989         (build_alias_set_for_drs): Same.
 990         (build_base_obj_set_for_drs): Same.
 991         (build_scop_drs): Same.
 992
 993 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 994
 995         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 996         the alias graph of data references.
 997
 998 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 999
1000         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1001         (build_scop_drs): When debugging, write the alias graph to file,
1002         otherwise, should be disabled.
1003
1004 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1007         (is_simple_operand): Remove call to stmt_simple_memref_p.
1008         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1009
1010 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1011
1012         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1013         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1014         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1015         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1016         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1017
1018 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1019
1020         PR middle-end/41118
1021         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1022         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1023         (graphite_carried_dependence_level_k): Ditto.
1024         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1025         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1026         (new_poly_dr): Adjust declaration.
1027         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1028         (free_gimple_bb): Added free_data_refs_aux.
1029         (build_poly_dr): Add dr_base_object_set.
1030         (partition_drs_to_sets): New.
1031         (dr_same_base_object_p): New.
1032         (build_alias_set_for_drs): New.
1033         (build_base_object_set_for_drs): New.
1034         (build_scop_drs): Add build_base_obj_set_for_drs.
1035         * graphite-sese-to-poly.h: Added #define for alias set number index and
1036         base object set index.
1037         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1038         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1039
1040 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1041
1042         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1043         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1044
1045 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-sese-to-poly.c (struct irp_data): Removed.
1048         (idx_record_params): Removed.
1049         (find_params_in_bb): Scan for parameters the access functions; don't
1050         parse the tree representation.
1051
1052 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1053
1054         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1055         passes at -O1 and below.
1056
1057 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1058
1059         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1060         tree-scalar-evolution.h, and then tree-data-ref.h.
1061         * graphite-clast-to-gimple.c: Same.
1062         * graphite-dependences.c: Same.
1063         * graphite-interchange.c: Same.
1064         * graphite-poly.c: Same.
1065         * graphite-scop-detection.c: Same.
1066         * graphite-sese-to-poly.c: Same.
1067         * graphite.c: Same.
1068         * lambda-code.c: Same.
1069         * matrix-reorg.c: Same.
1070         * tree-data-ref.c: Same.
1071         * tree-if-conv.c: Same.
1072         * tree-loop-distribu: Same.: Same.
1073         * tree-loop-linear.c: Same.
1074         * tree-parloops.c: Same.
1075         * tree-predcom.c: Same.
1076         * tree-vect-patterns.c: Same.
1077
1078 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         Partially revert the previous patch, except the following.
1081         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1082         as parameters the operands of the not expression.
1083
1084 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1087         Do not call analyze_scalar_evolution on assignments.
1088         (instantiate_scev_phi): Call analyze_scalar_evolution.
1089         (instantiate_scev_name): Call instantiate_scev_assign and
1090         instantiate_scev_phi.
1091         (instantiate_scev_not): Adapted to pass as parameters the operands
1092         of the not expression.
1093
1094 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1097         to pass as parameters the operands of the binary expression.
1098
1099 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1102         instantiate_scev_not.  Handle NEGATE_EXPR.
1103         (instantiate_scev_r): Handle NEGATE_EXPR.
1104
1105 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1108         instantiate_scev_r.
1109         (instantiate_scev_r): Move code in instantiate_scev_2
1110         and instantiate_scev_1.
1111
1112 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1113
1114         * tree-scalar-evolution.c (instantiate_scev_3): New.
1115         (instantiate_scev_1): Move code in instantiate_scev_3.
1116
1117 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1120         (instantiate_scev_1): Move code in instantiate_scev_poly.
1121
1122 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1125         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1126
1127 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1128
1129         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1130         (instantiate_scev_1): Move code in instantiate_scev_convert.
1131
1132 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1133
1134         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1135         (instantiate_scev_1): Move code in instantiate_scev_binary.
1136
1137 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * tree-scalar-evolution.c (instantiate_scev_name): New.
1140         (instantiate_scev_1): Move code in instantiate_scev_name.
1141
1142 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1143
1144         * Merge from mainline (150992:151171).
1145
1146 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-dependences.c (graphite_legal_transform_bb): Call
1149         pbb_remove_duplicate_pdrs.
1150         * graphite-poly.c (can_collapse_pdr): Removed.
1151         (pdr_find_duplicate): Removed.
1152         (can_collapse_pdrs): New.
1153         (pbb_remove_duplicate_pdrs): New.
1154         (new_poly_dr): Do not look for duplicates.
1155         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1156         (PBB_PDR_DUPLICATES_REMOVED): New.
1157         (pbb_remove_duplicate_pdrs): Declared.
1158
1159 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1160
1161         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1162         the strides by multiplying by PDR_NB_REFS.
1163         * graphite-poly.c (can_collapse_pdr): New.
1164         (pdr_find_duplicate): New.
1165         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1166         Initialize PDR_NB_REFS.
1167         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1168         (PDR_NB_REFS): New.
1169         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1170
1171 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         Revert one of the previous commits:
1174         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1175         the computation of symmetric data dependence relations.
1176         (dependency_between_pbbs_p): Same.
1177
1178 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1179
1180         PR middle-end/40965
1181         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1182         any transform.
1183
1184 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * graphite-dependences.c (pddr_original_scattering): Return NULL
1187         for read-read dependence relations.
1188         * graphite-poly.h (enum poly_dr_type): Fix comment.
1189         (pdr_read_p): New.
1190         (pdr_write_p): New.
1191         (pdr_may_write_p): New.
1192
1193 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1194
1195         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1196         (struct poly_dr): Same.
1197         (new_poly_dr): Same.
1198         * graphite-poly.c (new_poly_dr): Same.
1199
1200 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1201             Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1204         pbb_strip_mine_time_depth.  Changed the implementation so that
1205         transformation is expressed as a transformation on
1206         time (scatttering) dimensions.  Also, ensures that the 2d+1
1207         scheduling format is preserved.
1208         (pbb_strip_mine_profitable_p): Profitability is based on the
1209         iteration number of a given time (scattering) dimension,
1210         and not on a original loop depth dimension.
1211         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1212         (pbb_do_strip_mine): Call psct_dynamic_dim.
1213         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1214         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1215         (pbb_nb_dynamic_scattering_transform): New.
1216         (psct_dynamic_dim): New.
1217
1218 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1219
1220         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1221         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1222         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1223         * graphite-interchange.c (build_linearized_memory_access): Same.
1224         (memory_stride_in_loop): Same.
1225
1226 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * graphite-dependences.c (pddr_original_scattering): New.
1229         (graphite_legal_transform_dr): Call pddr_original_scattering.
1230         (dot_deps_1): New.
1231         (dot_deps): New.
1232         * graphite-dependences.h (dot_deps): Declared.
1233         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1234         (print_pdr): Print PDR_ID.
1235         * graphite-poly.h (struct poly_dr): Add field id.
1236         (PDR_ID): New.
1237         (pbb_index): New.
1238         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1239
1240 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1243         not delete the original dependence relation.
1244
1245 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1246
1247         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1248         the computation of symmetric data dependence relations.
1249         (dependency_between_pbbs_p): Same.
1250
1251 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1254         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1255         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1256         (free_poly_ddr): New.
1257         (pddr_is_empty): New.
1258         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1259         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1260         Remove fprintfs.
1261         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1262         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1263         * graphite-dependences.h (enum poly_dependence_kind): New.
1264         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1265         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1266         (PDRP_SINK): Renamed PDDR_SINK.
1267         (PDRP_DDP): Renamed PDDR_DDP.
1268         (PDDR_KIND): New.
1269         (free_poly_ddr): Declared.
1270         * graphite-poly.c (new_scop): Use the new hash function names.
1271         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1272         into original_pddrs.
1273         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1274
1275 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1276
1277         * Merge from mainline (150764:150992).
1278
1279 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1282         bounds with LT_EXPR to make niter analysis more precise on code
1283         generated by Graphite.
1284
1285 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1288         (graphite_legal_transform_bb): Same.
1289         (poly_drs_may_alias_p): Same.
1290
1291 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         PR middle-end/40981
1294         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1295         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1296
1297 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1298
1299         * graphite-poly.c (print_pbb): Print PBB index.
1300
1301 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1302
1303         * Merge from mainline (r150672:150764).
1304
1305 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1306
1307         * graphite-interchange.c (ppl_max_for_le): Moved...
1308         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1309         * graphite-ppl.c (ppl_max_for_le): ... here.
1310         * graphite-ppl.h (ppl_max_for_le): Declared.
1311
1312 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1313
1314         * Merge from mainline (r150372:150672).
1315
1316 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         PR middle-end/40980
1319         * sese.c (convert_for_phi_arg): New.
1320         (add_guard_exit_phis): Use convert_for_phi_arg.
1321
1322         * testsuite/gfortran.dg/graphite/id-17.f: New.
1323
1324 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1327         unknown subscript upper bounds.
1328
1329         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1330
1331 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1332             Pranav Garg  <pranav.garg2107@gmail.com>
1333
1334         * graphite-interchange.c (gather_access_strides): Removed.
1335         (ppl_max_for_le): New.
1336         (build_linearized_memory_access): New.
1337         (memory_stride_in_loop): New.
1338         (pbb_interchange_profitable_p): Reimplemented.
1339         * graphite-ppl.h (ppl_new_id_map): New.
1340         (ppl_interchange): New.
1341
1342         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1343
1344 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * graphite-interchange.c (compute_subscript): Removed.
1347         (compute_array_size_cstr): Removed.
1348         (compute_array_size_poly): Removed.
1349         (compute_array_size): Removed.
1350         (gather_access_strides_poly): Removed.
1351         (gather_access_strides): Empty.
1352
1353 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * graphite-dependences.c (dependence_polyhedron_1): Replace
1356         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1357         (graphite_legal_transform_dr): Same.
1358         (graphite_carried_dependence_level_k): Same.
1359         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1360         Initialize PDR_NB_SUBSCRIPTS.
1361         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1362         PDR_NB_SUBSCRIPTS.
1363         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1364         (PDR_NB_SUBSCRIPTS): New.
1365         (pdr_nb_subscripts): Removed.
1366         (pdr_dim): Simplified.
1367         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1368         with PDR_NB_SUBSCRIPTS.
1369
1370 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1371
1372         * graphite-interchange.c (compute_array_size): Remove use of
1373         PDR_DATA_CONTAINER.
1374         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1375         Do not initialize PDR_DATA_CONTAINER.
1376         (print_pdr): Do not print PDR_DATA_CONTAINER.
1377         * graphite-poly.h (struct poly_dr): Remove data_container field.
1378         (PDR_DATA_CONTAINER): Removed.
1379         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1380         PDR_DATA_CONTAINER.
1381         (build_poly_dr): Same.
1382
1383 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1386
1387 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1388             Sebastian Pop  <sebastian.pop@amd.com>
1389
1390         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1391         copy of the dependence polyhedron.  Free the temporary objects.
1392         (graphite_carried_dependence_level_k): Free unused objects before
1393         returning.
1394
1395         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1396         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1397         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1398         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1399         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1400
1401 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1404         Early return without analyzing the data dependences if no
1405         transform has been done.  Call restore_scattering if the transform
1406         is not legal.
1407         (graphite-interchange.c): Same.
1408         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1409         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1410         (apply_poly_transforms): Do not gcc_assert that
1411         the transform is legal.
1412         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1413         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1414         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1415         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1416         * graphite-poly.h (struct poly_scattering): New.
1417         (struct poly_bb): Add original, transformed, and saved fields.
1418         Remove transformed_scattering, original_scattering, nb_local_variables,
1419         and nb_scattering_transform fields.
1420         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1421         (poly_scattering_new): New.
1422         (poly_scattering_free): New.
1423         (poly_scattering_copy): New.
1424         (store_scattering_pbb): New.
1425         (store_scattering): New.
1426         (restore_scattering_pbb): New.
1427         (restore_scattering): New.
1428         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1429         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1430
1431 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1434         (print_scop): Same.
1435
1436 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * Makefile.in (graphite.o): Depends on PREDICT_H.
1439         * graphite.c: Include predict.h.
1440         (graphite_finalize): Call tree_estimate_probability.
1441         * predict.c (predict_loops): Do not call scev_initialize and
1442         scev_finalize.
1443         (tree_estimate_probability_bb): New.
1444         (tree_estimate_probability): Do not initialize loops: move that
1445         code to the driver.  Call tree_estimate_probability_bb.
1446         (tree_estimate_probability_driver): New.
1447         (pass_profile): Use tree_estimate_probability_driver.
1448         * predict.h (tree_estimate_probability): Declared.
1449
1450 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1453         * graphite-dependences.c (graphite_legal_transform): Add time to
1454         TV_GRAPHITE_DATA_DEPS.
1455         (dependency_between_pbbs_p): Same.
1456         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1457
1458 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * Merge from mainline (r149952:150372).
1461
1462 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1465         * graphite-blocking.c: Same.
1466         * graphite-clast-to-gimple.c: Same.
1467         * graphite-dependences.c: Same.
1468         * graphite-poly.c: Same.
1469         * graphite-poly.h: Same.
1470         * graphite-ppl.c: Same.
1471         * graphite-scop-detection.c: Same.
1472         * graphite-sese-to-poly.c: Same.
1473         * graphite.c: Same.
1474
1475 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1478         (remove_simple_copy_phi): New.
1479         (remove_invariant_phi): New.
1480         (simple_copy_phi_p): New.
1481         (reduction_phi_p): New.
1482         (gsi_for_ssa_name_def): New.
1483         (insert_out_of_ssa_copy): New.
1484         (insert_out_of_ssa_copy_on_edge): New.
1485         (create_zero_dim_array): New.
1486         (scalar_close_phi_node_p): New.
1487         (rewrite_close_phi_out_of_ssa): New.
1488         (rewrite_phi_out_of_ssa): New.
1489         (rewrite_reductions_out_of_ssa): New.
1490         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1491
1492         * testsuite/gcc.dg/graphite/id-11.c: New.
1493         * testsuite/gcc.dg/graphite/id-15.c: New.
1494         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1495         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1496         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1497         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1498         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1499         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1500         * testsuite/gfortran.dg/graphite/id-13.f: New.
1501         * testsuite/gfortran.dg/graphite/id-5.f: New.
1502
1503 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1506         check that nb_reductions_in_loop is zero.
1507         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1508         reduction phi nodes.
1509         (nb_reductions_in_loop): Removed.
1510         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1511         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1512         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1513         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1514         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1515
1516 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1517
1518         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1519         statements that have an empty iteration domain.
1520         * testsuite/gfortran.dg/graphite/id-16.f: New.
1521
1522 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * tree-scalar-evolution.c (instantiate_scev_1): Return
1525         chrec_dont_know when the result is not above instantiate_below.
1526         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1527         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1528         the tree has a known scalar evolution.
1529         * testsuite/gfortran.dg/graphite/id-14.f: New.
1530         * testsuite/gfortran.dg/graphite/id-15.f: New.
1531
1532 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1533
1534         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1535         insert_gsi.
1536         (rename_variables): Keep inserting renames after the ones already
1537         inserted.
1538
1539 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * graphite-sese-to-poly.c (compare_bb_depths): New.
1542         (graphite_sort_dominated_info): New.
1543         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1544         (build_scop_scattering): Fix comment.
1545
1546 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1547
1548         * graphite.c (graphite_finalize): Call print_loops instead of
1549         dump_function_to_file.
1550         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1551         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1552         loops generated in the graphite output file.
1553         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1554         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1555         * testsuite/gfortran.dg/graphite/id-12.f: New.
1556
1557 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1558
1559         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1560         Remove 2 XFAIL.
1561
1562 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1563             Tobias Grosser  <grosser@fim.uni-passau.de>
1564
1565         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1566         alias set number build alias in ACCESSES polyhedron.
1567         (build_alias_set_for_drs): New.
1568         (build_pbb_drs): Added build_alias_set_for_drs.
1569         * graphite-dependences.c (poly_drs_may_alias_p): New.
1570         (graphite_carried_dependence_level_k): Check alias information
1571         before building polyhedron.
1572
1573 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1574
1575         * Makefile.in (lambda-code.o): Fix formatting.
1576
1577 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1578
1579         * Merge from mainline (r149350-149952)
1580
1581 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1582
1583         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1584         before interchange to prepare for loop blocking.
1585
1586 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1587
1588         * graphite-poly.c (apply_poly_transforms): Add checks after every
1589         transformation.
1590         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1591         done in apply_poly_transforms.
1592
1593 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1594
1595         * graphite-dependences.c (build_lexicographically_gt_constraint):
1596         Replace RES parameter with *RES.
1597         (dependence_polyhedron_1): Pass an address of the parameter RES
1598         instead of value of RES.
1599
1600 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * graphite.c (graphite_finalize): Fix comment.
1603         (graphite_transform_loops): Reset scev info after code generation
1604         of each scop.
1605
1606 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1607
1608         * graphite.c (graphite_finalize): Call scev_reset.
1609
1610 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1611
1612         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1613         GBB_CLOOG_IV_TYPES hash table twice.
1614         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1615         (add_condition_to_domain): Clear GMP values.
1616
1617 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1618
1619         * graphite-dependences.c: Fix formatting.
1620         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1621         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1622         * graphite-sese-to-poly.c: Fix formatting.
1623         * graphite.c (graphite_transform_loops): Create the hash table
1624         after the early return.
1625
1626 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1627
1628         * testsuite/gcc.dg/graphite/id-14.c: New.
1629         * testsuite/gcc.dg/graphite/pr40157.c: New.
1630         * testsuite/gfortran.dg/graphite/id-11.f: New.
1631
1632 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1635         (build_poly_scop): Return false when there are no pbbs within
1636         loops to avoid to pass to cloog scops with no loops.
1637
1638 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1641         useless test "i % 2".
1642         (build_pbb_scattering_polyhedrons): Fix formatting.
1643         (build_poly_dr): Same.
1644         * graphite.c (graphite_transform_loops): Restructure.
1645
1646 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1647
1648         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1649         reduction_list parameter.
1650         (rewrite_all_phi_nodes_with_iv): Same.
1651         (canonicalize_loop_ivs): Same.
1652         * tree-parloops.c (struct brli): Removed.
1653         (build_reduction_list_info): Removed.
1654         (build_new_reduction): New.
1655         (analyze_reduction_list): Removed.
1656         (gather_scalar_reductions): Find reductions instead of phi
1657         nodes that can't be canonicalized.
1658         (try_create_reduction_list): Remove reduction_list parameter.
1659         (gen_parallel_loop): Same.
1660         (parallelize_loops): Remove analyze_reductions variable,
1661         initialization and free.
1662         Change reduction_list htab initialization to reduction_info
1663         elements instead of ssa names.
1664         Call try_create_reduction_list and gen_parallel_loop without
1665         analyzed_reduction argument.
1666         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1667         canonicalize_loop_ivs with one less argument.
1668         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1669
1670 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1671
1672         * graphite-dependences.c (new_poly_dr_pair): New.
1673         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1674         (new_poly_dr_pair): New.
1675         (eq_poly_dr_pair_p): New.
1676         (hash_poly_dr_pair_p): New.
1677         * graphite-dependences.h (struct poly_dr_pair): New.
1678         (eq_poly_dr_pair_p): Declared.
1679         (hash_poly_dr_pair_p): Declared.
1680         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1681         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1682         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1683         * Makefile.in (graphite-poly.o): Add dependence on
1684         graphite-dependences.h.
1685
1686 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1689         polynomials of degree > 1 pass to Graphite.
1690         * tree-chrec.c (scev_is_linear_expression): Call
1691         evolution_function_is_affine_multivariate_p.
1692         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1693
1694 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1697         Instantiate scevs varying in outer loops.
1698         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1699
1700 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1703         redundant constraint.
1704
1705 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1708         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1709         based on the file names as in the C testsuite.
1710         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1711         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1712         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1713         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1714         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1715         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1716         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1717         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1718         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1719         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1720         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1721         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1722         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1723
1724 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         * sese.c (expand_scalar_variables_call): New.
1727         (expand_scalar_variables_ssa_name): Handle calls in expander.
1728
1729 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1732         Expect to see the pattern twice.
1733         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1734         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1735         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1736
1737 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * testsuite/gcc.dg/graphite/id-10.c: New.
1740         * testsuite/gcc.dg/graphite/id-12.c: New.
1741         * testsuite/gfortran.dg/graphite/id-7.f: New.
1742         * testsuite/gfortran.dg/graphite/id-8.f: New.
1743
1744 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1747         zero.
1748
1749 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1752
1753 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1756
1757 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1760         building PDR subscripts.
1761
1762 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1765         computation of array sizes.
1766
1767 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1770
1771 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1772
1773         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1774         build_pairwise_constraint, dr_equality_constraints,
1775         build_pairwise_scheduling_equality,
1776         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1777         build_lexicographically_gt_constraint, dependence_polyhedron,
1778         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1779         Move from NNC_Polyhedron to C_Polyhedron.
1780         * graphite-interchange.c (compute_array_size_poly,
1781         gather_access_strides): Dito.
1782         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1783         free_scop, pbb_number_of_iterations): Dito.
1784         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1785         pbb_dim_iter_domain, struct scop): Dito.
1786         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1787         new_Cloog_Domain_from_ppl_Polyhedron,
1788         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1789         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1790         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1791         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1792         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1793         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1794         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1795         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1796         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1797         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1798         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1799         build_scop_iteration_domain, build_poly_dr): Dito
1800
1801 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1804         run-id-*.c files.
1805         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1806
1807 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1808
1809         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1810         positivity constraint on the symbolic number of iterations.
1811
1812 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1815
1816 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1817             Tobias Grosser  <grosser@fim.uni-passau.de>
1818
1819         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1820         (build_cloog_prog): Directly use SCOP_CONTEXT.
1821         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1822         (free_scop): Free SCOP_CONTEXT.
1823         (print_scop_context): New.
1824         (print_scop): Call print_scop_context.
1825         (debug_scop_context): New.
1826         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1827         (struct scop): Added field context.
1828         (SCOP_CONTEXT): New.
1829         * graphite-sese-to-poly.c (add_param_constraints): New.
1830         (build_scop_context): New.
1831         (build_poly_scop): Call build_scop_context.
1832
1833 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1836         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1837         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1838         * graphite-ppl.h: Include double-int.h and tree.h.
1839         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1840         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1841         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1842         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1843
1844 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1847         POINTER_PLUS_EXPR for pointer types.
1848         (clast_to_gcc_expression): Same.
1849
1850 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * graphite-poly.c (print_scattering_function): Early return when
1853         PBB_TRANSFORMED_SCATTERING is not initialized.
1854         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1855
1856 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1859         to fix bootstrap.
1860
1861 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1862
1863         * tree-parloops.c (analyze_reduction_list): Change return
1864         value to void.
1865         (try_create_reduction_list): Move the call to
1866         analyze_reduction_list to the beginining.
1867         Call reduction_phi with analyzed_reductions as argument
1868         instead of reduction_list.
1869
1870 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1871
1872         *  Merge from mainline (r148296:149346)
1873
1874 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1875
1876         * graphite-scop-detection.c (graphite_can_represent_init): New.
1877         (graphite_can_represent_scev): Call graphite_can_represent_init:
1878         check that the initial value does not contain multiplications of
1879         parameters.
1880         (stmt_has_simple_data_refs_p): New.
1881         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1882         (is_simple_operand): Fix formatting.
1883         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1884
1885 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * testsuite/gcc.dg/graphite/id-13.c: New.
1888         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1889         analyze_scalar_evolution, use scalar_evolution_in_region.
1890         (scan_tree_for_params_right_scev): Add extra assert.
1891         (parameter_index_in_region_1): Split from parameter_index_in_region.
1892         (idx_record_params): Use scalar_evolution_in_region.
1893         (find_params_in_bb): Same.
1894         (find_scop_parameters): Same.
1895         (build_loop_iteration_domains): Same.
1896         (create_linear_expr_from_tree): Same.
1897         * sese.c (scalar_evolution_in_region): New.
1898         * sese.h (scalar_evolution_in_region): Declared.
1899         (defined_in_sese_p): New.
1900         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1901         static anymore.
1902         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1903         Declared.
1904
1905 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1908         TREE_DATA_REF_H also implies SCEV_H.
1909
1910 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         * graphite-poly.c (print_scop_params): New.
1913         (print_scop): Call print_scop_params.
1914         (debug_scop_params): New.
1915         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1916
1917 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1918
1919         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1920         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1921         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1922         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1923         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1924         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1925
1926 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1927
1928         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1929         for dependency checking part.
1930         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1931         tests for dependency checking.
1932         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1933         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1934         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1935         flag -fdump-tree-graphite-all for autopar testsuites.
1936
1937 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1938
1939         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1940         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1941         canonicalize_loop_ivs): Moved...
1942         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1943
1944 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         * tree-parloops.c (try_create_reduction_list): Pass an extra
1947         argument analyzed_reductions.  Call analyze_reduction_list.
1948         (gen_parallel_loop): Do not call analyze_reduction_list.
1949         (parallelize_loops): Init and finalize analyzed_reductions.
1950
1951 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1952
1953         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1954         Added flag -fno-loop-strip-mine for autopar testcase.
1955
1956 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1957
1958         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1959         transformed scattering dimension instead of unmatch orignal when
1960         calling dependence_polyhedron.
1961
1962 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1965
1966 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1969         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1970
1971 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1974         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1975         * graphite-poly.c (pbb_number_of_iterations): New.
1976         * graphite-poly.h (pbb_number_of_iterations): Declared.
1977         (pbb_iterator_dim, pbb_parameter_dim): New.
1978
1979 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1982         last commit on type of lower and upper bound of loops.
1983
1984 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1985
1986         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1987         graphite-dependences.h.
1988         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1989         (mark_bb_with_pbb): New.
1990         (get_stmtfor_depth): New.
1991         (find_pbb_via_hash): New.
1992         (dependency_in_loop_p): New.
1993         (mark_loops_parallel): New.
1994         (free_aux_in_new_loops): New.
1995         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1996         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1997         innermost loop parallel without checking.
1998         (gloog): Add parameter BB_PBB_MAPPING.
1999         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2000         (gloog): Change declaration.
2001         (mark_loop_parallel): Make extern.
2002         (free_aux_in_new_loops): Declare.
2003         (bb_pbb_map_hash): New.
2004         (eq_bb_pbb_map): New.
2005         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2006         auto parallelization when flag_graphite_force_parallel is set.
2007         (graphite_finalize): Added free_aux_in_new_loops.
2008         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2009         the innermost loop that marked parallel.  Use
2010         flag_graphite_force_parallel instead of loop->can_be_parallel.
2011         (loop_parallel_p): Move inner most checking out of function.
2012
2013 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2016         type of lower and upper bound of loops signed long int.
2017
2018 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2021         expression outside the loop.
2022
2023 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * gcc.dg/graphite/interchange-8.c: New.
2026
2027 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2028
2029         * gcc.dg/graphite/interchange-0.c: XFailed.
2030         * gcc.dg/graphite/interchange-5.c: XFailed.
2031         * gcc.dg/graphite/interchange-6.c: XFailed.
2032
2033 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * graphite-interchange.c (compute_array_size_poly): The end of the
2036         recursion should return 1.
2037
2038 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2039
2040         * graphite-interchange.c (compute_array_size_cstr): Allow the
2041         subscript multiplier to be -1.
2042         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2043         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2044         data_container.  Initializes PDR_DATA_CONTAINER.
2045         (print_pdr_access_layout): New.
2046         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2047         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2048         data_container.
2049         (PDR_DATA_CONTAINER): New.
2050         (new_poly_dr): Update declaration.
2051         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2052         (build_poly_dr): Call pdr_add_data_dimensions.
2053
2054 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2055
2056         * graphite-poly.h (struct poly_dr): Fix comment.
2057         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2058         (pdr_add_memory_accesses): New.
2059         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2060
2061 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2064         (print_pbb): Add call to print_pdrs.
2065         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2066
2067 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2068             Li Feng <nemokingdom@gmail.com>
2069
2070         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2071         (dependency_between_pbbs_p): New.
2072         (lexicographically_gt_p): Assure !empty_p before polyhedron
2073         intersection assign.
2074         (build_lexicographically_gt_constraint): Correct lexicographically
2075         judging.
2076         * graphite-dependences.h: New.
2077         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2078
2079 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2080
2081         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2082         (gloog): Print to dump_file the generated clast.
2083         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2084         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2085
2086 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * graphite-poly.c (extend_scattering): Increment
2089         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2090
2091 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * graphite-interchange.c (compute_array_size_poly): Added exit of
2094         recursion condition.  Continue iterating even after the first equality.
2095         (compute_array_size): Same.
2096
2097 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2098
2099         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2100         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2101         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2102         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2103         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2104
2105 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2108         only when the use verifies is_gimple_reg.
2109
2110 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2113         Allocate scaldims after call to unify_scattering_dimensions.
2114
2115 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2118
2119 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2120             Albert Cohen  <albert.cohen@inria.fr>
2121
2122         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2123         variables for the strip mining.
2124
2125 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2126             Pranav Garg  <pranav.garg2107@gmail.com>
2127
2128         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2129         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2130         (graphite-blocking.o): New rule.
2131         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2132         * graphite-blocking.c: New.
2133         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2134         flag_loop_strip_mine.
2135         (psct_scattering_dim_for_loop_depth): New.
2136         * graphite-poly.h (scop_do_strip_mine): Declared.
2137         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2138         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2139         flag_loop_strip_mine.
2140
2141 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2142
2143         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2144         a GMP value and a PPL coefficient at each iteration of a loop.
2145
2146 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-dependences.c (dependence_polyhedron): Do not use
2149         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2150         pbb_nb_scattering_transform.
2151         (graphite_legal_transform_dr): Same.
2152         * graphite-poly.c (extend_scattering): Same.
2153         (unify_scattering_dimensions): Same.
2154         (print_scattering_function): Same.
2155         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2156         PBB_NB_LOCAL_VARIABLES.
2157         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2158         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2159         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2160         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2161         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2162         (pbb_nb_scattering_transform): New.
2163         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2164         (psco_scattering_dim): Add assert on parameters.
2165         (psct_scattering_dim): Same.
2166         (psct_scattering_dim_for_loop_depth): Declared.
2167         (psct_local_var_dim): New.
2168         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2169         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2170         correct layout, call pbb_nb_local_vars.
2171         (psct_add_local_variable, psct_add_scattering_dimension): New.
2172         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2173         Initialize PBB_NB_SCATTERING_TRANSFORM.
2174
2175 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2176
2177         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2178         (set_coef): Renamed ppl_set_coef.
2179         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2180
2181 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2182
2183         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2184         test a boolean against 1.
2185         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2186         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2187         (pbb_do_interchange): Returns true when a transform has been performed.
2188         (scop_do_interchange): Same.
2189         * graphite-poly.c (apply_poly_transforms): Use the return value of
2190         scop_do_interchange.
2191         * graphite-poly.h (scop_do_interchange): Update declaration.
2192
2193 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2194
2195         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2196         after last use.
2197         * sese.c (sese_reset_aux_in_loops): New.
2198         * sese.h (sese_reset_aux_in_loops): New.
2199
2200 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2203         multiplier and multiply the constant by the multiplier.
2204         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2205         (build_poly_dr): Do not use the multiplier to define the subscript.
2206
2207 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2208
2209         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2210         compiler's data reference.  Initialize PDR_CDR.
2211         (print_pdr): Call dump_data_reference.
2212         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2213         Add compiler_dr field.
2214         (PDR_BB): Renamed PDR_PBB.
2215         (PDR_CDR): New.
2216         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2217         GCC's data reference representation.
2218         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2219         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2220
2221 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite-poly.c (print_scattering_function): Also print the layout.
2224         * graphite-poly.h (pbb_nb_local_vars): New.
2225
2226 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2229
2230 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-poly.c (print_pdr, debug_pdr): New.
2233         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2234         (PDR_BASE): Removed.
2235
2236 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2239         ltrans-{1..6,8}.c.
2240
2241 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2242
2243         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2244         subscript identification column.
2245         (pbb_do_interchange): Print to dump_file that some loops "will be
2246         interchanged".  Rely on that chain of characters in the testcases.
2247         * gcc.dg/graphite/interchange-0.c: New.
2248         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2249         interchange-*.c files and compile them with -floop-interchange.
2250
2251 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2252
2253         * graphite-interchange.c (interchange_profitable_p): Renamed
2254         pbb_interchange_profitable_p.
2255
2256 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2257             Harsha Jagasia  <harsha.jagasia@amd.com>
2258             Pranav Garg  <pranav.garg2107@gmail.com>
2259
2260         * graphite-interchange.c (interchange_profitable_p): Make static.
2261         (pbb_interchange_loop_depths, pbb_do_interchange,
2262         scop_do_interchange): New.
2263         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2264         for flag_loop_interchange.
2265         * graphite-poly.h (scop_do_interchange): Declared.
2266         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2267         flag_loop_interchange is used.
2268
2269 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * graphite-dependences.c (dependence_polyhedron): Update use of
2272         pbb_nb_scattering_dims.
2273         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2274         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2275         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2276         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2277
2278 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2279
2280         * graphite.c: Cleanup foo.
2281
2282 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * Merge from mainline (r143684:148293).
2285         * Disabled libpcp until it gets fixed.
2286
2287 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2288             Harsha Jagasia  <harsha.jagasia@amd.com>
2289
2290         * graphite-interchange.c: New.
2291         * Makefile.in (graphite-interchange.o): New.
2292         * graphite-poly.h (interchange_profitable_p): Declared.
2293         * graphite-ppl.h (value_max): New.
2294
2295 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2298         * graphite-poly.h: Fix some comments.
2299         (pdr_dim): New.
2300         (pdr_scop): New.
2301
2302 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2303
2304         * graphite-poly.h
2305         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2306         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2307         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2308         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2309         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2310         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2311         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2312         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2313         * graphite-clast-to-gimple.c: Same.
2314         * graphite-dependences.c: Same.
2315         * graphite-poly.c: Same.
2316         * graphite-sese-to-poly.c: Same.
2317
2318 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2319
2320         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2321         expressions for an IV rename, as returned by clast_to_gcc_expression.
2322         (copy_renames): Rename new_name to expr.
2323         * sese.c (debug_rename_elt): Same.
2324         (get_rename): Same.
2325         (set_rename): Same.
2326         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2327         the information from the rename map.
2328         (rename_variables_in_stmt): Same.
2329         (add_loop_exit_phis): Rename new_name to expr.
2330         (insert_loop_close_phis): Same.
2331         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2332         * sese.h (struct rename_map_elt): Rename new_name to expr.
2333         (new_rename_map_elt): Same.
2334
2335 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2338         * sese.c (set_rename): Make it extern.
2339         * sese.h (set_rename): Declared.
2340
2341 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite-poly.c (extend_scattering): Free values.
2344         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2345         Free iterators.
2346         (ppl_print_powerset_matrix): Same.
2347         * graphite-scop-detection.c (free_scops_1): New.
2348         (limit_scops): Call free_scops_1.
2349         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2350         (build_poly_dr): Free PPL coefficients.
2351         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2352
2353 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2354
2355         * graphite-dependences.c: New.
2356         * graphite-data-ref.c: Removed.
2357         * graphite-data-ref.h: Removed.
2358         * Makefile.in (graphite-data-ref.o): Removed.
2359         (graphite-dependences.o): Added.
2360         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2361         * graphite-poly.c: Same.
2362         Move the data dependence testing to graphite-dependences.c.
2363
2364 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2365
2366         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2367         from graphite_cannot_represent_loop. Code refactored.
2368         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2369
2370 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2371
2372         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2373         Cover all the testcases (not only the filtered ones).
2374
2375 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2376
2377         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2378         unnecessary check. Update comments. Move check for REAL_TYPE here.
2379         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2380         done in (stmt_simple_for_scop_p).
2381
2382 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2383
2384         * graphite.c (print_global_statistics): New.
2385         (print_graphite_scop_statistic): New.
2386         (print_graphite_statistics): New.
2387         (graphite_initialize, graphite_transform_loops): Print statistics.
2388         * graphite-scop-detection (build_scops): Print statistics.
2389         (print_graphite_scop_statistics): New.
2390         (print_graphite_statistics): New.
2391
2392 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2393
2394         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2395         (debug_clast_name_index): Removed.
2396         (debug_clast_name_indexes_1): Removed.
2397         (debug_clast_name_indexes): Removed.
2398         (clast_name_index_elt_info): Removed.
2399         (eq_clast_name_indexes): Removed.
2400         (clast_name_to_index): Removed.
2401         (new_clast_name_index): Removed.
2402         (save_clast_name_index): Removed.
2403         (save_var_name): Moved...
2404         (init_sese_params_index): Removed.
2405         (clast_name_to_gcc): Remove use of name_tree.
2406         (initialize_cloog_names): Same.
2407         (gloog): Do not call init_sese_params_index.
2408         * graphite-sese-to-poly.c (save_var_name): ...here.
2409         (parameter_index_in_region): New.
2410         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2411         (parameter_index_in_region): Removed.
2412         (is_parameter): Remove use of name_tree.
2413         * sese.h (struct name_tree): Removed.
2414         (struct sese): Remove use of name_tree.  New field params_names.
2415         (SESE_PARAMS_NAMES): New.
2416         (SESE_PARAMS): Remove duplicate.
2417         (parameter_index_in_region): Removed.
2418         (sese_nb_params): Remove use of name_tree.
2419         (struct clast_name_index): New.
2420         (new_clast_name_index): New.
2421         (clast_name_to_index): New.
2422         (save_clast_name_index): New.
2423         (debug_clast_name_index): New.
2424         (debug_clast_name_indexes_1): New.
2425         (debug_clast_name_indexes): New.
2426         (clast_name_index_elt_info): New.
2427         (eq_clast_name_indexes): New.
2428
2429 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2430
2431         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2432         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2433         (graphite_loop_normal_form): Do not pass region.  Do not
2434         initialize SESE_OLDIVS.
2435         (build_graphite_loop_normal_form): Update call to
2436         graphite_loop_normal_form.
2437         * sese.c (debug_oldivs): Removed.
2438         (new_sese): Do not initialize SESE_OLDIVS.
2439         (free_sese): Do not free SESE_OLDIVS.
2440         (oldiv_for_loop): Removed.
2441         * sese.h (struct sese): Remove old_ivs.
2442         (SESE_OLDIVS): Removed.
2443         (oldiv_for_loop): Removed.
2444
2445 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2448         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2449         replaced by a call to newivs_to_depth_to_newiv.
2450         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2451         (clast_to_gcc_expression_red): Same.
2452         (gcc_type_for_clast_expr): Same.
2453         (gcc_type_for_clast_eq): Same.
2454         (graphite_translate_clast_equation): Same.
2455         (graphite_create_guard_cond_expr): Same.
2456         (graphite_create_new_guard): Same.
2457         (graphite_create_new_loop): Same.
2458         (build_iv_mapping): Same.
2459         (translate_clast): Same.
2460         (gloog): Same.
2461         (loop_iv_stack_patch_for_consts): Removed.  *
2462         sese.c (iv_stack_entry_is_constant): Removed.
2463         (iv_stack_entry_is_iv): Removed.
2464         (loop_iv_stack_push_iv): Removed.
2465         (loop_iv_stack_insert_constant): Removed.
2466         (loop_iv_stack_pop): Removed.
2467         (loop_iv_stack_get_iv): Removed.
2468         (loop_iv_stack_get_iv_from_name): Removed.
2469         (debug_loop_iv_stack): Removed.
2470         (free_loop_iv_stack): Removed.
2471         (loop_iv_stack_remove_constants): Removed.  *
2472         sese.h (iv_stack_entry_kind): Removed.
2473         (iv_stack_entry_data_union): Removed.
2474         (iv_stack_entry_struct): Removed.
2475         (iv_stack_entry_p): Removed.
2476         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2477         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2478         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2479         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2480         (gbb_loop_at_index): Fix indenting.
2481         (gbb_loop_index): Removed.
2482
2483 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2486         Call clast_name_to_index.
2487
2488 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2491         do not pass params.  Get params from SESE_PARAMS.
2492         (clast_to_gcc_expression): Same.
2493         (clast_to_gcc_expression_red): Same.
2494         (gcc_type_for_clast_eq): Same.
2495         (graphite_translate_clast_equation): Same.
2496         (graphite_create_new_loop): Same.
2497         * sese.c (rename_variables_in_stmt): Fix comment.
2498
2499 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2502         newivs_index.
2503         Call save_clast_name_index.
2504         (translate_clast): Pass newivs_index.
2505         (gloog): Create and free newivs_index.
2506
2507 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2510         (clast_name_index_p): New type.
2511         (debug_clast_name_index): New.
2512         (debug_clast_name_indexes_1): New.
2513         (debug_clast_name_indexes): New.
2514         (clast_name_index_elt_info): New.
2515         (eq_clast_name_indexes): New.
2516         (clast_name_to_index): New.
2517         (new_clast_name_index): New.
2518         (save_clast_name_index): New.
2519         (init_sese_params_index): New.
2520         (gloog): Call init_sese_params_index.
2521         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2522         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2523         (free_sese): Free SESE_PARAMS_INDEX.
2524         * sese.h (struct sese): Add params_index.
2525         (SESE_PARAMS_INDEX): New.
2526
2527 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2530         (graphite_create_new_loop): Pass the newivs vector.  Push the
2531         newly created IV to newivs.
2532         (translate_clast): Pass the newivs vector.
2533         (gloog): Create and destroy the newivs vector.
2534
2535 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2538         (graphite_loop_normal_form): Initialize loop->aux with the unique
2539         IV that has been created.
2540
2541 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2542
2543         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2544         scev with parameters in the base part. They where forbidden
2545         exidently.
2546
2547 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2548
2549         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2550         compile options by file names.
2551         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2552         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2553         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2554         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2555
2556 2009-05-08  Li Feng <nemokingdom@gmail.com>
2557
2558         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2559         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2560         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2561         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2562
2563 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2564
2565         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2566         by final cleanup.
2567
2568 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2569
2570         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2571         allow integer constant strides.
2572         (graphite_can_represent_expr): Depend on outermost_loop.
2573         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2574         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2575         build_scops_1): Same.
2576         (scopdet_basic_block_info): Same and insert layered SCoP
2577         detection.
2578         (try_generate_gimple_bb): Cleanup.
2579         (build_scops): Enable data references.
2580
2581         * testsuite/gcc.dg/graphite/id-5.c: New.
2582         * testsuite/gcc.dg/graphite/id-9.c: New.
2583         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2584         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2585
2586 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2587
2588         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2589         that we have not yet built for this SCoP.
2590
2591 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2592
2593         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2594         for complex numbers.
2595
2596 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2597
2598         * graphite-ppl.c: Fix build if cloog is not available.
2599
2600 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2601
2602         * tree-parloops.c (loop_parallel_p): Remove construction of
2603         NITER and REDUCTION_LIST.
2604         (try_get_loop_niter): New.
2605         (try_create_reduction_list): New.
2606         (parallelize_loops): Bypass the failed checkings in autopar
2607         when can_be_parallel in loop structure is set to true.
2608
2609 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2610
2611         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2612         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2613
2614 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2615
2616         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2617         Enable EQ_EXPR and NE_EXPR again.
2618
2619 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2620
2621         * graphite-scop-detection.c (graphite_can_represent_scev):
2622         Add check if scev is affine multivariate.
2623         (harmful_stmt_in_bb): Check if we can represent the conditions.
2624         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2625         harmful_stmt_in_bb.
2626         * testsuite/gcc.dg/graphite/id-7.c: New.
2627
2628 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2629
2630         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2631         Check all bbs in region, not only the bbs that are represented in
2632         GRAPHITE.
2633         (build_poly_scop): Add newline.
2634         * testsuite/gcc.dg/graphite/id-8.c: New.
2635
2636 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2637
2638         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2639         when loop initialize.
2640         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2641         * common.opt: Declare flag_graphite_force_parallel.
2642         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2643         loop parallel.
2644         * graphite-poly.c (apply_poly_transforms): Introduce
2645         flag_graphite_force_parallel.
2646         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2647         * toplev.c (process_options): ditto and replace a not correctly
2648         encoded space.
2649
2650 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2651
2652         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2653         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2654         to the redefinition.
2655         (compute_cloog_iv_types_1): ditto.
2656         (build_iv_mapping): ditto.
2657         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2658         initialization.
2659         (free_gimple_bb): Removed GBB_LOOPS related free part.
2660         (build_bb_loops): Removed.
2661         * sese.h (struct gimple_bb): Removed loops.
2662         (GBB_LOOPS): Removed.
2663         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2664         (gbb_loop_index): ditto.
2665
2666 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2667
2668         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2669         allow non constant strides.
2670         * testsuite/gcc.dg/graphite/scop-20.c: New.
2671
2672 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2673
2674         * graphite-scop-detection.c (dot_all_scops): Fix system call
2675         return value warning.
2676         (dot_scop): Same.
2677
2678 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2681         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2682
2683 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2686         build_pairwise_constraint, dr_equality_constraints,
2687         build_pairwise_scheduling_equality,
2688         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2689         build_lexicographically_gt_constraint, dependence_polyhedron,
2690         graphite_legal_transform_dr, graphite_legal_transform_bb,
2691         graphite_legal_transform): New.
2692         * graphite-poly.h (graphite_legal_transform): Declared.
2693         * graphite-sese-to-poly.c (build_poly_scop): Call to
2694         graphite_legal_transform is disabled for the moment.
2695
2696 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * graphite-poly.h (pbb_nb_scattering_dims): New.
2699         (pbb_nb_scattering): Use it.
2700
2701 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2704         Pointset_Powerset version of ppl_insert_dimensions.
2705         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2706
2707 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2710
2711 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite-poly.h: Fix comment.
2714
2715 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2718
2719 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2722         statements.
2723
2724 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2725
2726         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2727         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2728         conditions.
2729
2730 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2733         handle EQ_EXPR and NE_EXPR.
2734
2735 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2736
2737         * graphite-poly.h (poly_dr): Fix comment.
2738
2739 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2740             Tobias Grosser  <grosser@fim.uni-passau.de>
2741
2742         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2743         with a zero dimension polyhedron.
2744         (find_scop_parameters): Move the call to scop_set_nb_params here.
2745         (build_loop_iteration_domains): Store in loop->aux the iteration
2746         domain polyhedron.
2747         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2748         by any loop in scop.
2749         (build_poly_scop): Do not call scop_set_nb_params.
2750
2751 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2752             Tobias Grosser  <grosser@fim.uni-passau.de>
2753
2754         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2755         add_condition_to_domain not GT_EXPR.
2756
2757 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2758
2759         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2760         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2761         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2762         upper_bound_assign to calculate unions.
2763         * testsuite/gcc.dg/graphite/id-6.c: New.
2764
2765 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2766
2767         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2768         handle abnormal edges.
2769
2770 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2771
2772         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2773         (free_poly_bb): Also free poly_drs.
2774         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2775         (poly_dr): Polyhedron to Pointset_Powerset.
2776         (pdr_accessp_nb_subscripts): Same.
2777         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2778         poly_drs.
2779
2780 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2783         names into more meaningful names.
2784
2785 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2788         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2789
2790 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2793         the reduction_list.
2794         * tree-parloops.c (rewrite_phi_with_iv): New.
2795         (rewrite_all_phi_nodes_with_iv): New.
2796         (canonicalize_loop_ivs): Call them.
2797
2798 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2801         graphite_find_data_references_in_stmt.
2802         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2803         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2804
2805 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2808
2809 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2812         instead of bb_in_region.
2813         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2814         (build_sese_conditions): Use flag_bb_in_sese.
2815         * sese.c (register_bb_in_sese): Removed.
2816         (new_sese): Remove initialization of SESE_REGION_BBS.
2817         (free_sese): Do not free SESE_REGION_BBS.
2818         * sese.h (struct sese): Remove field region_basic_blocks.
2819         (SESE_REGION_BBS): Removed.
2820         (bb_in_sese_p): Implement in function of bb_in_region.
2821
2822 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2825         loops.
2826
2827 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2828
2829         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2830         and EQ_EXPR.
2831         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2832         (add_condition_to_domain): New.
2833         (add_condition_to_pbb): New.
2834         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2835         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2836
2837 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2838
2839         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2840         ppl_Pointset_Powerset.
2841         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2842         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2843         (pbb_nb_loops): Same.
2844         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2845         add_conditions_to_domain): Same.
2846         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2847         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2848         ppl_const_Polyhedron_t.
2849         (ppl_print_powerset_matrix): New.
2850         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2851         ppl_print_powerset_matrix): New.
2852         (ppl_print_polyhedron_matrix): Updated.
2853
2854 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2857
2858 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2861         (print_iteration_domains, debug_iteration_domain,
2862         debug_iteration_domains): New.
2863         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2864         debug_iteration_domains): Declared.
2865         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2866         indenting.
2867
2868 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2869             Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * graphite-poly.h (print_iteration_domain): New.
2872         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2873         (build_sese_conditions_1, build_sese_conditions_after,
2874         build_sese_conditions_before): New.
2875         (build_sese_conditions): Rewritten.
2876
2877 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2878             Tobias Grosser  <grosser@fim.uni-passau.de>
2879
2880         Cleanup of code generation liveouts.
2881         * graphite-clast-to-gimple.c (translate_clast): Use a single
2882         rename_map instead of one per translated statement.
2883         Do not use SESE_LIVEOUT_RENAMES.
2884         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2885         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2886         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2887         phi node of a reduction: when a loop contains a reduction used outside
2888         the loop, there should be a scalar close phi node on the exit block.
2889         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2890         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2891         (free_sese): Do not free them.
2892         (sese_build_liveouts_use): Do not use them.
2893         (sese_build_liveouts_bb): Same.
2894         (sese_build_liveouts): Same.
2895         (sese_insert_phis_for_liveouts): Same.
2896         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2897         (defined_in_loop_p): New.
2898         (alive_after_loop): New.
2899         (close_phi_not_yet_inserted_p): New.
2900         (struct alep, alep_p): New.
2901         (add_loop_exit_phis): Remove from the rename_map all the names defined
2902         in the code generated loop.
2903         (insert_loop_close_phis): Traverse the rename_map passed to it.
2904         Don't use SESE_LIVEOUT_RENAMES.
2905         (default_liveout_before_guard): Renamed default_before_guard.
2906         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2907         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2908         (register_sese_liveout_renames): Removed.
2909         (copy_bb_and_scalar_dependences): Do not call it.
2910         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2911         reduction_list.
2912         (SESE_LIVEOUT): Removed.
2913         (SESE_LIVEOUT_RENAMES): Removed.
2914         (SESE_REDUCTION_LIST): Removed.
2915         (sese_build_liveouts): Removed.
2916         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2917         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2918         (insert_guard_phis): Same.
2919         (rename_map_elt): Declare a VEC of them.
2920         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2921         trees not pointers to trees.
2922
2923         Rewrite in canonical close SSA form:
2924         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2925         (limit_scops): Close the scop after the block containing the close phi
2926         nodes.
2927         (canonicalize_loop_closed_ssa): New.
2928         (canonicalize_loop_closed_ssa_form): New.
2929         (build_scops): Call canonicalize_loop_closed_ssa_form.
2930
2931         * graphite-sese-to-poly.c: Fix typos.
2932
2933 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2936         Extended.
2937         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2938         (print_pbb): Add conditions.
2939
2940 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2941             Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2944         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2945         (build_scop_bbs_1): New.
2946         (build_scop_bbs): Rewrite.
2947         * sese.h (bb_in_region): New.
2948
2949 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2950
2951         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2952         poly_drs vector.
2953         (print_scop): Style.
2954         * graphite-poly.h (poly_bb): Add drs vector.
2955         (PBB_DRS): Add accessor.
2956         * graphite-sese-to-poly.c (build_poly_dr): New.
2957         (build_pbb_drs, build_scop_drs): New.
2958         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2959
2960 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2961
2962         * tree-ssa-loop.c: Include forgotten toplev.h
2963
2964 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2965
2966         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2967         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2968         * testsuite/gcc.dg/graphite/pr37928.c: Same
2969         * testsuite/gcc.dg/graphite/pr38409.c: Same
2970         * testsuite/gcc.dg/graphite/pr38498.c: Same
2971         * testsuite/gcc.dg/graphite/pr38559.c: Same
2972         * testsuite/gcc.dg/graphite/pr39335.c: Same
2973         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2974         * testsuite/gfortran.dg/graphite/block-2.f: Same
2975         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2976         with -floop-*.
2977
2978 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2979
2980         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2981         build_access_matrix, build_scop_data_accesses): Remove access function
2982         building. (We get a new version soon).
2983         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2984         * sese.h (nb_loops_around_loop_in_sese): Remove.
2985         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2986
2987 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2988             Sebastian Pop  <sebastian.pop@amd.com>
2989
2990         * graphite-scop-detection.c (struct scopdet_info): Rename last
2991         field to exit.
2992         (scopdet_basic_block_info, build_scops_1): Don't use
2993         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2994
2995 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2996             Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2999         * sese.c (sese_build_liveouts_use): Renamed from
3000         sese_build_livein_liveouts_use. Remove liveins.
3001         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3002         Call sese_build_liveouts_use.
3003         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3004         Call sese_build_liveouts_bb.
3005         (new_sese, free_sese): Remove liveins.
3006         (sese_add_exit_phis_var): Deleted.
3007         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3008         directly.
3009         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3010
3011         * sese.h (sese): Remove num_ver and livein.
3012         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3013
3014 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3015
3016         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3017
3018 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3019
3020         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3021         (build_scop_scattering): Do not use compare_prefix_loops any more.
3022         (nb_common_loops): New.
3023
3024 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3027         (register_old_and_new_names): Renamed set_rename.
3028
3029 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3032         of the decl from the previous commit.
3033
3034 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3035
3036         * graphite-scop-detection.c (dot_scop): New.
3037         * graphite-scop-detection.h (dot_scop): Declared.
3038
3039 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3042
3043 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3044
3045         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3046         condition at the end of the loop.
3047         * graphite.c (graphite_initialize, graphite_finalize): Print to
3048         dump_file the compiled function.
3049         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3050         of create_empty_loop_on_edge.
3051         (translate_clast): Update the code generation of loops for the new
3052         shape of loops.
3053         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3054
3055 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         Reverted the patch from 2009-03-19.
3058
3059 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3060
3061         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3062         poly_drs vector.
3063         (print_scop): Style.
3064         * graphite-poly.h (poly_bb): Add drs vector.
3065         (PBB_DRS): Add accessor.
3066         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3067         (build_access_matrix_with_af, build_access_matrix,
3068         build_scop_data_accesses): Delete.
3069         (build_poly_dr): New.
3070         (build_pbb_drs, build_scop_drs): New.
3071         (build_poly_scop): call build_scop_drs.
3072
3073 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3076         once per basic block.
3077
3078 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3079
3080         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3081         (graphite_can_represent_expr): Renamed from loop_affine_expr
3082         and enhanced.
3083         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3084         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3085         (scopdet_basic_block_info): Actually define entry_block.
3086         (stmt_simple_memref_p): Moved here from ...
3087
3088         * tree-data-ref.c (stmt_simple_memref_p): here.
3089         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3090
3091 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3092
3093         * testsuite/gcc.dg/graphite/id-4.c: New.
3094
3095 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3096
3097         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3098         (register_old_and_new_names): Update the content of the map.
3099         When there was already a rename_map_elt in the map at that
3100         location, free it.
3101         (copy_bb_and_scalar_dependences): Do rename_variables after
3102         expand_scalar_variables.
3103         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3104         of the map.  When there was already a rename_map_elt in the
3105         map at that location, free it.
3106         (translate_clast): Pass the rename_map.  Do not initialize and free
3107         a rename_map per stmt_user.
3108         (gloog): Initialize and free one rename_map and pass it to
3109         translate_clast.
3110
3111 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3112
3113         * sese.c (expand_scalar_variables_stmt,
3114         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3115         parameter.
3116         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3117         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3118         the gimple_stmt_iterator of the statement to be expanded.
3119         * graphite-scop-detection.c (is_simple_operand): Do handle
3120         REALPART_EXPR.
3121
3122 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3123
3124         * graphite-scop-detection.c (is_simple_operand): Do not handle
3125         REALPART_EXPR.
3126         * testsuite/gcc.dg/graphite/id-2.c: New.
3127
3128         * graphite-sese-to-poly.c (build_bb_loops,
3129         add_value_to_dim, scan_tree_for_params_right_scev,
3130         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3131         find_params_in_bb, build_loop_iteration_domains,
3132         add_conditions_to_domain): Remove subtract.
3133
3134 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3135
3136         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3137         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3138         pbb_loop_at_index -> gbb_loop_at_index.
3139         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3140         (debug_loop_vec): Delete.
3141         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3142         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3143         (PBB_LOOPS): Removed.
3144         (PBB_BLACK_BOX): Insert cast.
3145         (pbb_set_black_box): New setter.
3146         (pbb_loop_at_index, pbb_loop_index): Removed.
3147         (scop_set_region, scop_set_nb_params): New.
3148         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3149         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3150         (build_poly_scop): Use scop_set_nb_params.
3151         * sese.h (gimple_bb): Add LOOPS.
3152         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3153
3154 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3155
3156         Revert previous commit.
3157
3158 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3159
3160         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3161         (register_old_and_new_names): Update the content of the map.
3162         When there was already a rename_map_elt in the map at that
3163         location, free it.
3164         (copy_bb_and_scalar_dependences): Do rename_variables after
3165         expand_scalar_variables.
3166         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3167         of the map.  When there was already a rename_map_elt in the
3168         map at that location, free it.
3169         (translate_clast): Pass the rename_map.  Do not initialize and free
3170         a rename_map per stmt_user.
3171         (gloog): Initialize and free one rename_map and pass it to
3172         translate_clast.
3173
3174 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3175
3176         Remove forgotten line in revert.
3177
3178 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         Revert previous commit.
3181
3182 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * sese.c (register_old_and_new_names): Update the content
3185         of the map.  When there was already a rename_map_elt in the
3186         map at that location, free it.
3187         (copy_bb_and_scalar_dependences): Do rename_variables after
3188         expand_scalar_variables.
3189         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3190         of the map.  When there was already a rename_map_elt in the
3191         map at that location, free it.
3192         (translate_clast): Pass the rename_map.  Do not initialize and free
3193         a rename_map per stmt_user.
3194         (gloog): Initialize and free one rename_map and pass it to
3195         translate_clast.
3196
3197 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3198
3199         * graphite-clast-to-gimple.c (translate_clast): context_loop
3200         is never NULL.
3201
3202 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3203             Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3206         of the use of ppl_Polyhedron_map_space_dimensions.
3207
3208 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3209             Sebastian Pop  <sebastian.pop@amd.com>
3210
3211         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3212         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3213         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3214         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3215         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3216         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3217         pbb_nb_params): New.
3218         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3219         nb_loops_around_pbb): Adapt return types.
3220
3221 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3222
3223         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3224         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3225         graphite-scop-detection.o, graphite-poly.o): Add
3226         more headers.
3227
3228 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3229
3230         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3231         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3232         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3233
3234 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3235
3236         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3237         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3238         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3239         * testsuite/gcc.dg/graphite/block-0.c: Same.
3240         * testsuite/gcc.dg/graphite/block-1.c: Same.
3241         * testsuite/gcc.dg/graphite/block-2.c: Same.
3242         * testsuite/gcc.dg/graphite/block-3.c: Same.
3243         * testsuite/gcc.dg/graphite/block-4.c: Same.
3244         * testsuite/gcc.dg/graphite/block-5.c: Same.
3245         * testsuite/gcc.dg/graphite/block-6.c: Same.
3246         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3247         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3248         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3249         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3250         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3251         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3252         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3253         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3254         * opts.c: Remove -floop-block from -O2.
3255         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3256         -floop-strip-mine are used.
3257
3258 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3259             Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3262         dimensions.
3263         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3264         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3265         strip_mine_profitable_p, is_interchange_valid,
3266         graphite_trans_bb_block, graphite_trans_loop_block,
3267         graphite_trans_scop_block): Temporary removed.
3268         (extend_scattering, unify_scattering_dimensions): New.
3269         (print_scattering_function, graphite_read_transforms):
3270         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3271         (graphite_generate_scattering_fns): Removed.
3272         (apply_poly_transforms): Cleanup.
3273         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3274         (schedule_to_scattering): Moved.
3275         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3276         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3277         (pbb_nb_scattering): New.
3278         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3279         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3280         Removed.
3281         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3282         shift_poly.
3283         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3284         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3285         -> PBB_TRANSFORMED_SCATTERING.
3286         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3287         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3288         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3289         (check_poly_representation): Do not return bool.
3290         (graphite_transform_loops): Reformat.
3291         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3292
3293 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3296         debug_pbb_domain, debug_pbb, debug_scop): New.
3297         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3298         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3299
3300 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         PR middle-end/39335
3303         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3304         when the type precision of the induction variable should be
3305         larger than the type precision of nit.
3306         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3307         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3308         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3309
3310         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3311         * testsuite/gcc.dg/graphite/pr39335.c: New.
3312
3313 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3314
3315         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3316         SSA_NAMES not struct reduction_info.
3317
3318 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3321
3322 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3323             Tobias Grosser  <grosser@fim.uni-passau.de>
3324
3325         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3326         (free_sese): Free SESE_REDUCTION_LIST.
3327         * sese.h (struct sese): Add field reduction_list.
3328         (SESE_REDUCTION_LIST): New.
3329         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3330         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3331
3332 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3333             Tobias Grosser  <grosser@fim.uni-passau.de>
3334
3335         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3336         of loop_p.
3337
3338 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3339             Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * tree-parloops.c (struct brli, build_reduction_list_info,
3342         analyze_reduction_list, gather_scalar_reductions): New.
3343         (loop_parallel_p): Build a reduction list containing only
3344         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3345         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3346         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3347         * tree-flow.h (gather_scalar_reductions): Declared.
3348
3349 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         PR middle-end/39308
3352         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3353         number_of_iterations_exit from a gcc_assert.
3354
3355 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3356             Jan Sjodin  <jan.sjodin@amd.com>
3357
3358         * output.h (graphite_out_file, graphite_in_file): Declared.
3359         * toplev.c (graphite_out_file, graphite_in_file): New.
3360         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3361         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3362         Don't call schedule_to_scattering.
3363         * common.opt (fgraphite-write, fgraphite-read): New.
3364         * graphite-poly.c: Include output.h.
3365         (print_scattering_function, print_scattering_functions,
3366         debug_scattering_function, debug_scattering_functions,
3367         graphite_write_transforms, graphite_read_transforms,
3368         graphite_generate_scattering_fns): New.
3369         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3370         Call graphite_generate_scattering_fns, graphite_write_transforms,
3371         graphite_read_transforms.
3372         (new_poly_bb): Initialize PBB_SCATTERING.
3373         (free_poly_bb): Free PBB_SCATTERING.
3374         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3375         * graphite-poly.h (struct poly_bb): Add field scattering.
3376         (PBB_SCATTERING): New.
3377         (print_scattering_function, print_scattering_functions,
3378         debug_scattering_function, debug_scattering_functions): Declared.
3379         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3380         GMP values, not integers!
3381         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3382         ppl_read_polyhedron_matrix): New.
3383         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3384         debug_ppl_polyhedron_matrix,
3385         ppl_read_polyhedron_matrix): Declared.
3386         * Makefile.in (graphite-poly.o): Depends on output.h.
3387
3388 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3389             Tobias Grosser  <grosser@fim.uni-passau.de>
3390
3391         Revert this change:
3392         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3393         scalar evolutions in the scop_entry->loop_father.
3394
3395 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3396             Tobias Grosser  <grosser@fim.uni-passau.de>
3397
3398         * graphite.h (ref_nb_loops): Remove declaration.
3399         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3400         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3401         debug_gbb): Moved to sese.h.
3402         * sese.h: As said.
3403
3404 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3405             Tobias Grosser  <grosser@fim.uni-passau.de>
3406
3407         * graphite-data-ref.[ch]: Disable.
3408
3409 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3410             Tobias Grosser  <grosser@fim.uni-passau.de>
3411
3412         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3413         scalar evolutions in the scop_entry->loop_father.
3414
3415 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3418         (graphite_cannot_represent_loop_niter): Renamed
3419         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3420         (limit_scops): build_sese_loop_nests does not return a bool.
3421         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3422         * sese.c (nb_reductions_in_loop): ... from here.
3423         (graphite_loop_normal_form): ... from here.
3424         (sese_record_loop): Does not fail, so does not return a bool.
3425         (build_sese_loop_nests): Same.
3426         * sese.h (build_sese_loop_nests): Update declaration.
3427         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3428         (build_graphite_loop_normal_form): New.
3429         (gloog): Call build_graphite_loop_normal_form.
3430         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3431         build_sese_loop_nests.
3432
3433         * testsuite/gcc.dg/graphite/id-1.c: New.
3434
3435 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3436             Tobias Grosser  <grosser@fim.uni-passau.de>
3437
3438         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3439         The SCoP detection fix is sufficient.
3440
3441 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         PR tree-optimization/39260
3444         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3445         the basic block contains a condition with a real type.
3446         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3447
3448         * gcc.dg/graphite/pr39260.c: New.
3449
3450 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3451
3452         * graphite-poly.c: Inlcude params.h.
3453         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3454         the size of a tile.
3455         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3456         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3457
3458 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3459             Tobias Grosser  <grosser@fim.uni-passau.de>
3460
3461         * graphite-scop-detection.c (dot_all_scops_1,
3462         dot_all_scops): Moved here.
3463         * graphite-scop-detection.h (dot_all_scops): Declared here.
3464         * graphite.c (graphite_initialize, graphite_finalize): New.
3465         (graphite_transform_loops): Cleaned up.
3466         * sese.c (debug_oldivs): Moved here.
3467         * graphite-poly.c (graphite_apply_transformations): Renamed
3468         apply_poly_transforms.
3469         (debug_loop_vec): Moved here.
3470         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3471         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3472         find_scop_parameters, build_scop_iteration_domain,
3473         add_conditions_to_constraints, build_scop_canonical_schedules,
3474         build_scop_data_accesses): Now static.
3475         (build_poly_scop, check_poly_representation): New.
3476
3477 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3480         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3481         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3482         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3483         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3484         scan_tree_for_params, struct irp_data, dx_record_params,
3485         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3486         build_loop_iteration_domains, add_conditions_to_domain,
3487         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3488         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3489         build_sese_conditions, add_conditions_to_constraints,
3490         build_scop_iteration_domain, build_access_matrix_with_af,
3491         build_access_matrix,
3492         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3493
3494         * graphite-sese-to-poly.c: New.
3495         * graphite-sese-to-poly.h: New.
3496
3497         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3498
3499 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3500
3501         * graphite.c: Split graphite code generation to a new file.
3502         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3503         max_precision_type, clast_to_gcc_expression_red,
3504         clast_to_gcc_expression, gcc_type_for_clast_expr,
3505         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3506         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3507         graphite_create_new_guard, clast_get_body_of_loop,
3508         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3509         graphite_create_new_loop, build_iv_mapping, copy_renames,
3510         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3511         compute_cloog_iv_types, free_scattering, save_var_name,
3512         initialize_cloog_names, build_scop_context, build_cloog_prog,
3513         set_cloog_options, debug_clast_stmt, scop_to_clast,
3514         print_generated_program, debug_generated_program,
3515         gloog): Moved to graphite-clast-to-gimple.c.
3516
3517         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3518
3519         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3520         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3521         loop_iv_stack_pop, loop_iv_stack_get_iv,
3522         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3523         free_loop_iv_stack, loop_iv_stack_remove_constants,
3524         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3525         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3526         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3527         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3528         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3529         get_vdef_before_sese, sese_adjust_vphi,
3530         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3531         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3532         is_iv, expand_scalar_variables_ssa_name,
3533         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3534         expand_scalar_variables, rename_variables, remove_condition,
3535         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3536         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3537         default_liveout_before_guard, add_guard_exit_phis,
3538         insert_guard_phis, register_old_and_new_names,
3539         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3540         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3541         if_region_set_false_region, create_if_region_on_edge,
3542         move_sese_in_condition): Moved to sese.c.
3543
3544         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3545         if_region_exit, if_region_get_condition_block,
3546         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3547         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3548         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3549         ivtype_map_elt, new_ivtype_map_elt,
3550         recompute_all_dominators): Moved to sese.h.
3551
3552         * graphite-clast-to-gimple.c: New.
3553         * graphite-clast-to-gimple.h: New.
3554         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3555         * sese.c: Modified as said above.
3556         * sese.h: Same.
3557
3558 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * graphite.c: Split scop detection to a new file.
3561         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3562         move_sd_regions, loop_affine_expr, exclude_component_ref,
3563         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3564         graphite_cannot_represent_loop_niter, struct scopdet_info,
3565         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3566         find_single_entry_edge, find_single_exit_edge,
3567         create_single_entry_edge, sd_region_without_exit,
3568         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3569         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3570         Moved to graphite-scop-detection.c.
3571
3572         * graphite-scop-detection.c: New.
3573         * graphite-scop-detection.h: New.
3574         * Makefile.in: Add new rule for graphite-scop-detection.o.
3575
3576         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3577         tree-scalar-evolution.h.
3578         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3579         build_sese_loop_nests): Moved here from graphite.c.
3580         (param_index): Renamed parameter_index_in_region.
3581
3582 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3583             Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * gcc.dg/graphite/block-0.c: Expected to fail now.
3586         * gcc.dg/graphite/block-1.c: Same.
3587         * gcc.dg/graphite/block-5.c: Same.
3588         * gcc.dg/graphite/block-6.c: Same.
3589
3590 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3591             Sebastian Pop  <sebastian.pop@amd.com>
3592
3593         * graphite.h: Separate from graphite_bb_p the polyhedral
3594         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3595         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3596         graphite-data-ref.h.
3597         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3598         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3599         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3600         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3601         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3602         scop_nb_params): Moved to graphite-poly.h.
3603         * graphite-data-ref.c: Same.
3604         * graphite-data-ref.h: New.
3605         * graphite.c: Same.
3606         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3607         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3608         is_interchange_valid, graphite_trans_bb_block,
3609         graphite_trans_loop_block, scop_max_loop_depth,
3610         graphite_trans_scop_block, graphite_apply_transformations,
3611         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3612         graphite-poly.c.
3613         * graphite-poly.h: New.
3614         * graphite-poly.c: New.
3615         * Makefile.in (OBJS-common): Add graphite-poly.o.
3616         (graphite-poly.o): New rule.
3617         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3618         (DR_SCOP): Removed.
3619
3620 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3621             Tobias Grosser  <grosser@fim.uni-passau.de>
3622
3623         * graphite.c: Replace gb -> gbb.
3624         * graphite.h: Same.
3625         * graphite-data-ref.c: Same.
3626
3627 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3628             Tobias Grosser  <grosser@fim.uni-passau.de>
3629
3630         * Makefile.in (OBJS-commmon): Add sese.o.
3631         (sese.o): New.
3632         (graphite.o): Add sese.h.
3633         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3634         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3635         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3636         Move to sese.
3637         (block_before_scop): Add missing return.
3638         (new_scop, free_scop): Remove SESE data structures.
3639         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3640         find_scop_parameters, build_loop_iteration_domains,
3641         add_conditions_to_domain, register_scop_liveout_renames,
3642         copy_bb_and_scalar_dependences): Scop -> SESE.
3643
3644         (add_conditions_to_domain): SCoP -> SESE and remove check
3645         (scop_contains_non_iv_scalar_phi_nodes): New.
3646         (build_scop_conditions_1, build_scop_conditions): Remove check for
3647         non iv scalar phi nodes.
3648         (print_scop_statistics): New.
3649         (graphite_transform_loops): Cleanup.
3650
3651         * graphite.h: Move to sese & cleanup.
3652         * sese.c: New.
3653         * sese.h: New.
3654
3655 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3656             Tobias Grosser  <grosser@fim.uni-passau.de>
3657
3658         * graphite.c (build_scop_conditions_1): Conditions are only
3659         at the end of a basic block.
3660
3661 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3662             Tobias Grosser  <grosser@fim.uni-passau>
3663
3664         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3665         field.
3666         (GBB_ALPHA): Removed.
3667
3668 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3669             Tobias Grosser  <grosser@fim.uni-passau.de>
3670
3671         * graphite-data-ref.c (graphite_test_dependence): Don't use
3672         GBB_DYNAMIC_SCHEDULE.
3673         * graphite.c (new_graphite_bb): Same.
3674         (free_graphite_bb): Same.
3675         (build_scop_dynamic_schedules): Removed.
3676         (graphite_transform_loops): Don't call it.
3677         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3678         (GBB_DYNAMIC_SCHEDULE): Removed.
3679
3680 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3681             Tobias Grosser  <grosser@fim.uni-passau.de>
3682
3683         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3684         (print_graphite_bb): Same.
3685         (build_cloog_prog): Same.
3686
3687 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3688             Tobias Grosser  <grosser@fim.uni-passau.de>
3689
3690         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3691
3692 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3693             Tobias Grosser  <grosser@fim.uni-passau.de>
3694
3695         * graphite.c (build_scop_context): Don't use CloogMatrix.
3696         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3697         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3698
3699 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3700             Tobias Grosser  <grosser@fim.uni-passau.de>
3701
3702         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3703         liveout_renames, add_params fields...
3704         (struct sese): ... here.
3705         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3706         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3707
3708 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3709             Tobias Grosser  <grosser@fim.uni-passau.de>
3710
3711         * graphite.c (print_scop): Do not print the CLooG program.
3712         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3713         build_cloog_prog, gloog): Don't use SCOP_PROG.
3714         (find_transform): Renamed scop_to_clast.
3715         (print_generated_program, debug_generated_program): New.
3716         (graphite_transform_loops): Adapt to new interface.
3717         * graphite.h (struct scop): Remove program field.
3718         (SCOP_PROG): Removed.
3719         (print_generated_program, debug_generated_program): Declared.
3720
3721 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3724         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3725         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3726         free_graphite_bb, build_scop_canonical_schedules,
3727         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3728         schedules are now represented using a ppl_Linear_Expression_t.
3729         * graphite.h (struct graphite_bb): Same.
3730         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3731         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3732
3733 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3734
3735         * graphite.c: Free local memory.
3736         * graphite-ppl.c: Same.
3737
3738 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3739
3740         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3741         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3742         swap_constraint_variables, scale_constraint_variable): Removed.
3743         (graphite_trans_bb_strip_mine): Remove pong.
3744         * graphite-ppl.c: Include missing header files.
3745         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3746         * graphite-ppl.h (ppl_strip_loop): Declared.
3747         * Makefile.in (graphite-ppl.o): Adjust dependences.
3748
3749 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3752         (build_scop_iteration_domain): Same.
3753
3754 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3755
3756         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3757         ping pong.
3758         (add_value_to_dim, scan_tree_for_params_right_scev,
3759         scan_tree_for_params_int): New.
3760         * graphite-ppl.c (oppose_constraint): New.
3761         (insert_constraint_into_matrix): Implement missing cases.
3762         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3763
3764 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3765
3766         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3767         use ppl_move_dimension.
3768
3769 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3772         * graphite.c: Same.
3773         * graphite.h: Same.
3774         * graphite-ppl.c: Same.
3775         * graphite-ppl.h: Same.
3776
3777 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         Revert last 3 commits.
3780
3781 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3782
3783         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3784         ping pong.
3785         (add_value_to_dim, scan_tree_for_params_right_scev,
3786         scan_tree_for_params_int): New.
3787         * graphite-ppl.c (oppose_constraint): New.
3788         (insert_constraint_into_matrix): Implement missing cases.
3789         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3790
3791 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3794
3795 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3796             Tobias Grosser  <grosser@fim.uni-passau.de>
3797
3798         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3799         use ppl_move_dimension.
3800         * graphite-ppl.c (ppl_move_dimension): New.
3801         * graphite-ppl.h (ppl_move_dimension): Declared.
3802
3803 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3804
3805         * graphite.c: Do not include cloog/cloog.h.
3806         (print_graphite_bb): Remove ping pong, call PPL print function.
3807
3808 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3809
3810         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3811         (graphite.o): Add dependence on graphite-ppl.h.
3812         (graphite-ppl.o): New.
3813         (graphite-data-ref.c): Ping pong between PPL data structures
3814         and matrices.
3815         * graphite-ppl.c: New.
3816         * graphite-ppl.h: New.
3817         * graphite.c: Include graphite-ppl.h.
3818         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3819         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3820         Ping pong between PPL data structures and matrices.
3821         (new_graphite_bb): Create a PPL constraint system.
3822         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3823         (build_loop_iteration_domains): Use PPL functions.
3824         * graphite.h: Include graphite-ppl.h.  Fix comments.
3825         (graphite_bb): Use a ppl_Constraint_System_t instead of
3826         CloogMatrix for representing the domain.
3827         (scop): Remove static_schedule.
3828         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3829
3830 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         * graphite.c: Fix some comments.
3833
3834 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3835
3836         PR middle-end/38953
3837         * graphite.c (if_region_set_false_region): After moving a region
3838         in the false branch of a condition, remove the empty dummy
3839         basic block.
3840         (gloog): Remove wrong fix for PR38953.
3841
3842 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3843
3844         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3845         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3846         register_bb_in_sese, new_sese, free_sese): Moved.
3847         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3848         outermost_loop_in_scop, build_scop_iteration_domain,
3849         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3850         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3851         Use loop_in_sese_p instead of loop_in_scop_p.
3852         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3853         (free_scop): Do not free SCOP_BBS_B.
3854         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3855         ref_nb_loops): Moved here...
3856         * graphite.h (ref_nb_loops): ... from here.
3857         (struct scop): Remove bbs_b bitmap.
3858         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3859         * testsuite/gcc.dg/graphite/scop-19.c: New
3860
3861 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3862
3863         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3864         detection.
3865
3866 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3867
3868         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3869         eq_loop_to_cloog_loop): Remove.
3870         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3871         * graphite.h (struct scop): Remove loop2cloog_loop.
3872         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3873
3874 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3875
3876         * opts.c (decode_options): Only add graphite options to O2
3877         if we compile with graphite enabled.
3878
3879 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3880
3881         * Merge from mainline (r143163:143684).
3882
3883 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c (debug_value): Removed.
3886         * graphite.h (debug_value): Removed.
3887
3888 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3889
3890         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3891         after graphite: pass_copy_prop does not maintain a proper loop closed
3892         SSA form.  pass_copy_prop should be fixed.
3893
3894 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3897
3898 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3899
3900         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3901         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3902         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3903         changed the CFG.
3904
3905 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite.c (gloog): Return true when code gen succeeded.
3908         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3909         the code of the function did not changed.  After cleanup_tree_cfg
3910         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3911         form.
3912
3913 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3914
3915         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3916         gimple_call_lhs is NULL.
3917
3918 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3919             Tobias Grosser  <tobi.grosser@amd.com>
3920
3921         * graphite.c (graphite_trans_scop_block): Do not block single
3922         nested loops.
3923
3924 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3925             Tobias Grosser  <tobi.grosser@amd.com>
3926
3927         * graphite.c (build_scop_canonical_schedules): Start schedules at
3928         zero.
3929
3930 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3931             Tobias Grosser  <tobi.grosser@amd.com>
3932
3933         * graphite.c (compare_prefix_loops): New.
3934         (build_scop_canonical_schedules): Rewritten.
3935         (graphite_transform_loops): Move build_scop_canonical_schedules
3936         after build_scop_iteration_domain.
3937
3938 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3939             Tobias Grosser  <tobi.grosser@amd.com>
3940
3941         * graphite.c (add_conditions_to_domain): Add the loops to
3942         the dimension of the iteration domain.  Do copy the domain
3943         only when it exists.
3944         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3945         (add_conditions_to_constraints): New.
3946         (can_generate_code_stmt, can_generate_code): Removed.
3947         (gloog): Do not call can_generate_code.
3948         (graphite_transform_loops): Call add_conditions_to_constraints
3949         after building the iteration domain.
3950
3951 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3952             Tobias Grosser  <tobi.grosser@amd.com>
3953             Jan Sjodin  <jan.sjodin@amd.com>
3954
3955         * graphite.c (scan_tree_for_params): On substractions negate
3956         all the coefficients of the term.
3957         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3958         of more than two operands.
3959         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3960         (get_vdef_before_scop): Handle also the case of default definitions.
3961
3962 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3963
3964         PR middle-end/38431
3965         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3966         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3967         (gloog): Do not call cleanup_tree_cfg.
3968         (graphite_transform_loops): Call cleanup_tree_cfg after all
3969         scops have been code generated.
3970
3971 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3972
3973         * passes.c (init_optimization_passes): Schedule after
3974         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3975
3976 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3979         Fix comment.
3980         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3981         Set the type of an expression to the type of its assign statement.
3982         (expand_scalar_variables_expr):  Do not pass loop_p.
3983         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3984         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3985         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3986
3987 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3988
3989         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3990         an expression to the gimple_expr_type of its assign statement.
3991         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3992         or tcc_declaration.
3993
3994 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3995
3996         PR tree-optimization/38786
3997         * testsuite/gcc.dg/graphite/pr38786.c: New.
3998         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3999         the SSA_NAME case of expand_scalar_variables_expr.
4000         (expand_scalar_variables_expr): Also gather the scalar computation
4001         used to index the memory access.
4002         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4003         the gimple_stmt_iterator where it inserts new code.
4004
4005 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4006
4007         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4008
4009 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4010
4011         * opts.c (decode_options): Enable flag_graphite_identity and
4012         flag_loop_block in -O2 and above.
4013
4014 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4015
4016         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4017         Fix merge problem: replace with the file from trunk.
4018
4019 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         * Merge from mainline (r141727:143163).
4022
4023 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4024             Jan Sjodin  <jan.sjodin@amd.com>
4025
4026         PR tree-optimization/38559
4027         * testsuite/gcc.dg/graphite/pr38559.c: New.
4028
4029         * graphite.c (debug_value, copy_constraint,
4030         swap_constraint_variables, scale_constraint_variable, ): New.
4031         (get_lower_bound, get_upper_bound): Removed.
4032         (graphite_trans_bb_strip_mine): Clean up this code that works
4033         only for constant number of iterations.  Fully copy upper and
4034         lower bound constraints, not only the constant part of them.
4035         * graphite.h (debug_value): Declared.
4036
4037 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4038
4039         PR tree-optimization/38492
4040         PR tree-optimization/38498
4041         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4042         * tree-chrec.h (scev_is_linear_expression): Declared.
4043         * graphite.c (graphite_cannot_represent_loop_niter): New.
4044         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4045         (graphite_loop_normal_form): Use gcc_assert.
4046         (scan_tree_for_params): Use CASE_CONVERT.
4047         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4048         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4049         Use gcc_assert.  Discard scops that contain unhandled cases.
4050         (build_scop_conditions): Return a boolean status for unhandled cases.
4051         (strip_mine_profitable_p): Print the loop number, not its depth.
4052         (is_interchange_valid): Pass the depth of the loop nest, don't
4053         recompute it wrongly.
4054         (graphite_trans_bb_block): Same.
4055         (graphite_trans_bb_block): Print tentative of loop blocking.
4056         (graphite_trans_scop_block): Do not print that the loop has been
4057         blocked.
4058         (graphite_transform_loops): Do not handle scops that contain condition
4059         scalar phi nodes.
4060
4061         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4062         in trunk.
4063         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4064         * testsuite/gcc.dg/graphite/block-1.c: Same.
4065         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4066         blocking.
4067         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4068         * testsuite/gcc.dg/graphite/block-3.c: New.
4069         * testsuite/gcc.dg/graphite/pr38498.c: New.
4070
4071 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4072
4073         PR tree-optimization/38510
4074         * gcc.dg/graphite/pr38510.c: New.
4075         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4076           (translate_clast): Call recompute_all_dominators before
4077           graphite_verify.
4078           (gloog): Call recompute_all_dominators before graphite_verify.
4079
4080 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4081
4082         PR tree-optimization/38492
4083         * graphite.c (rename_map_elt, debug_rename_elt,
4084         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4085         rename_map_elt_info, eq_rename_map_elts,
4086         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4087         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4088         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4089         (sese_build_livein_liveouts): New.
4090         (new_sese, free_sese): New.
4091         (new_scop): Call new_sese.
4092         (free_scop): Call free_sese.
4093         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4094         (register_old_new_names): Renamed register_old_and_new_names.
4095         (register_scop_liveout_renames, add_loop_exit_phis,
4096         insert_loop_close_phis, struct igp,
4097         default_liveout_before_guard, add_guard_exit_phis,
4098         insert_guard_phis, copy_renames): New.
4099         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4100         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4101         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4102         (scop_adjust_phis_for_liveouts): New.
4103         (gloog): Call scop_adjust_phis_for_liveouts.
4104
4105         * graphite.h (struct sese): Documented.  Added fields liveout,
4106         num_ver and livein.
4107         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4108         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4109         (struct scop): Added field liveout_renames.
4110         (SCOP_LIVEOUT_RENAMES): New.
4111
4112 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4113
4114         PR tree-optimization/38409
4115         * gcc.dg/graphite/pr38409.c: New.
4116         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4117
4118 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4119
4120         * graphite.c (gcc_type_for_cloog_iv): By default return
4121         integer_type_node.
4122         (graphite_create_new_loop): Don't fold_convert the already
4123         fold_convert-ed expression.
4124
4125 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4126
4127         PR tree-optimization/38446
4128         * gcc.dg/graphite/pr38446.c: New.
4129         * graphite.c (register_bb_in_sese): New.
4130         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4131         looking at the bbs in the region.
4132         * graphite.h (sese): Add region_basic_blocks pointer set to
4133         structure and initialize at the time of defining new scop.
4134
4135 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4136
4137         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4138         (find_params_in_bb): Do not free data refs.
4139         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4140
4141 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4142
4143         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4144         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4145         * testsuite/gcc.dg/graphite/block-5.c: New.
4146         * testsuite/gcc.dg/graphite/block-6.c: New.
4147         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4148         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4149         * testsuite/gcc.dg/graphite/block-2.c: Same.
4150
4151         * graphite.c (struct ivtype_map_elt): New.
4152         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4153         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4154         gcc_type_for_cloog_iv): New.
4155         (loop_iv_stack_patch_for_consts): Use the type of the induction
4156         variable from the original loop, except for the automatically
4157         generated loops, i.e., in the case of a strip-mined loop, in
4158         which case there is no original loop: in that case just use
4159         integer_type_node.
4160         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4161         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4162         (clast_name_to_gcc): Accept params to be NULL.
4163         (clast_to_gcc_expression): Take an extra parameter for the type.
4164         Convert to that type all the expressions built by this function.
4165         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4166         (graphite_translate_clast_equation): Compute the type of the
4167         clast_equation before translating its LHS and RHS.
4168         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4169         (graphite_create_new_loop): Compute the type of the induction
4170         variable before translating the lower and upper bounds and before
4171         creating the induction variable.
4172         (rename_variables_from_edge, rename_phis_end_scop): New.
4173         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4174         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4175         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4176         compute_cloog_iv_types): New.
4177         (gloog): Call compute_cloog_iv_types before starting the
4178         translation of the clast.
4179
4180         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4181         (GBB_CLOOG_IV_TYPES): New.
4182         (debug_ivtype_map): Declared.
4183         (oldiv_for_loop): New.
4184
4185 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4186
4187         PR middle-end/38459
4188         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4189         (param_index): Assert if parameter is not know after parameter
4190         detection.
4191         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4192         (find_scop_parameters): Mark, that we have finished parameter
4193         detection.
4194         (graphite_transform_loops): Move condition detection before parameter
4195         detection.
4196         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4197         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4198
4199 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4200
4201         * graphite.c (graphite_transform_loops): Always call find_transform ()
4202         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4203         generate code.
4204
4205 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4206
4207         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4208         (print_scop): Ditto.
4209
4210 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4211
4212         PR middle-end/38084
4213         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4214         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4215         regions more than once.
4216
4217 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4218
4219         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4220         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4221         when not needed.
4222
4223 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4224
4225         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4226         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4227         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4228         (max_precision_type): New.
4229         (value_clast): Removed.
4230         (clast_to_gcc_expression): Be more careful to types of expressions.
4231         Use max_precision_type and update use of gmp_cst_to_tree.
4232         (graphite_translate_clast_equation): Use max_precision_type.
4233         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4234         use the type of the condition.
4235         (graphite_create_new_loop): Do not use integer_type_node, use the
4236         max_precision_type of lb and ub.
4237
4238 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * graphite.c (build_scops_1): Initialize open_scop.exit
4241         and sinfo.last.
4242
4243 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4244
4245         * testsuite/gcc.dg/graphite/pr38084.c: New.
4246         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4247         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4248         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4249         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4250         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4251
4252 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4253             Jan Sjodin  <jan.sjodin@amd.com>
4254             Harsha Jagasia  <harsha.jagasia@amd.com>
4255
4256         PR middle-end/37852
4257         PR middle-end/37883
4258         PR middle-end/37928
4259         PR middle-end/37980
4260         PR middle-end/38038
4261         PR middle-end/38039
4262         PR middle-end/38073
4263         PR middle-end/38083
4264         PR middle-end/38125
4265
4266         * testsuite/gcc.dg/graphite/pr38073.c: New.
4267         * testsuite/gcc.dg/graphite/pr37928.c: New.
4268         * testsuite/gcc.dg/graphite/pr37883.c: New.
4269         * testsuite/gcc.dg/graphite/pr38125.c: New.
4270         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4271         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4272         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4273
4274         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4275         the number of detected scops.  Copy exact same test for loop
4276         blocking...
4277         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4278         loops to be blocked as reductions are not handled.
4279         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4280
4281         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4282         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4283         ...here.
4284         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4285         * Makefile.in (graphite.o): Depend on value-prof.h.
4286         (graphite.o-warn): Removed -Wno-error.
4287         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4288         to be a NULL pointer.  Call update_stmt.  Return the newly created
4289         cannonical induction variable.
4290
4291         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4292
4293         * graphite.c: Reimplement the code generation from graphite to gimple.
4294         Include value-prof.h.
4295         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4296         (get_old_iv_from_ssa_name): Removed.
4297         (graphite_stmt_p): New.
4298         (new_graphite_bb): Test for useful statements before building a
4299         graphite statement for the basic block.
4300         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4301         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4302         reason.
4303         (recompute_all_dominators, graphite_verify,
4304         nb_reductions_in_loop, graphite_loop_normal_form): New.
4305         (scop_record_loop): Call graphite_loop_normal_form.
4306         (build_scop_loop_nests): Iterate over all the blocks of the
4307         function instead of relying on the incomplete information from
4308         SCOP_BBS.  Return the success of the operation.
4309         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4310         (add_bb_domains): Removed.
4311         (build_loop_iteration_domains): Don't call add_bb_domains.
4312         Add the iteration domain only to the basic blocks that have been
4313         translated to graphite.
4314         (build_scop_conditions_1): Add constraints only if the basic
4315         block have been translated to graphite.
4316         (build_scop_data_accesses): Completely disabled until data
4317         dependence is correctly implemented.
4318         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4319         (remove_all_edges_1, remove_all_edges): Removed.
4320         (get_new_name_from_old_name): New.
4321         (graphite_rename_variables_in_stmt): Renamed
4322         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4323         Use replace_exp and update_stmt.
4324         (is_old_iv): Renamed is_iv.
4325         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4326         Use replace_exp and update_stmt.
4327         (expand_scalar_variables_expr): Same.  Use the map to get the
4328         new names for the renaming of induction variables and for the
4329         renaming of variables after a basic block has been copied.
4330         (expand_scalar_variables): Same.
4331         (graphite_rename_variables): Renamed rename_variables.
4332         (move_phi_nodes): Removed.
4333         (get_false_edge_from_guard_bb): New.
4334         (build_iv_mapping): Do not insert the induction variable of a
4335         loop in the renaming iv map if the basic block does not belong
4336         to that loop.
4337         (register_old_new_names, graphite_copy_stmts_from_block,
4338         copy_bb_and_scalar_dependences): New.
4339         (translate_clast): Heavily reimplemented: copy basic blocks,
4340         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4341         At each translation step call graphite_verify ensuring the
4342         consistency of the SSA, loops and dominators information.
4343         (collect_virtual_phis, find_vdef_for_var_in_bb,
4344         find_vdef_for_var_1, find_vdef_for_var,
4345         patch_phis_for_virtual_defs): Removed huge hack.
4346         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4347         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4348         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4349         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4350         if_region_get_condition_block, if_region_set_false_region,
4351         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4352         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4353         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4354         rewrite_into_sese_closed_ssa): New.
4355         (gloog): Remove dead code.  Early return if code cannot be
4356         generated.  Call cleanup_tree_cfg once the scop has been code
4357         generated.
4358         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4359         block loops with less than two loops.
4360         (graphite_apply_transformations): Remove the call to
4361         scop_remove_ignoreable_gbbs.
4362         (limit_scops): When build_scop_loop_nests fails, continue on
4363         the next scop.  Fix open_scop.entry.
4364         (graphite_transform_loops): Call recompute_all_dominators: force the
4365         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4366         Call initialize_original_copy_tables and free_original_copy_tables
4367         to be able to copy basic blocks during code generation.
4368         When build_scop_loop_nests fails, continue on next scop.
4369         (value_clast): New union.
4370         (clast_to_gcc_expression): Fix type cast warning.
4371
4372 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4373
4374         * Merge from mainline (r140838:141727).
4375
4376 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4377
4378         PR middle-end/37833
4379
4380         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4381
4382 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4383
4384         PR middle-end/37943
4385
4386         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4387         exits and conditions.
4388         * testsuite/gcc.dg/graphite/pr37943.c: New.
4389
4390 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4391
4392         PR middle-end/37886
4393         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4394
4395 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4396
4397         * doc/invoke.texi: Fix spaces.
4398
4399 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4400
4401         PR tree-optimization/37891
4402         Reverted last commit.
4403         * graphite.c (create_single_entry_edge): Set
4404         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4405
4406 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4407             Mitul Thakkar  <mitul.thakkar@amd.com>
4408
4409         * graphite.c (create_single_entry_edge): Set
4410         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4411
4412 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4413
4414         * doc/invoke.texi: Add -fgraphite-identity.
4415         * graphite.c (graphite_apply_transformations): Check for
4416         -fgraphite-identity.
4417         * toplev.c (process_options): Add flag_graphite_identity.
4418         * tree-ssa-loop.c: Add flag_graphite_identity.
4419
4420 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4421
4422         Undo changes from 2008-10-02:
4423         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4424         operand type when copying the operand to a variable of different type.
4425         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4426         with the IV name after increment.
4427
4428 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4429             Harsha Jagasia  <harsha.jagasia@amd.com>
4430
4431         PR tree-optimization/37828
4432         * testsuite/gcc.dg/graphite/pr37828.c: New.
4433         * graphite.c (graphite_trans_loop_block): Do not loop block
4434         single nested loops.
4435
4436 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4437             Sebastian Pop  <sebastian.pop@amd.com>
4438
4439         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4440         rename_map_elt_info, eq_rename_map_elts): New.
4441         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4442         (expand_scalar_variables_expr): Change parameters.
4443         (expand_scalar_variables_stmt): Same.
4444         (expand_scalar_variables): Same.
4445         (graphite_rename_ivs): Rename graphite_rename_variables.
4446         (build_iv_mapping): New.
4447         (translate_clast): Call build_iv_mapping.
4448         * graphite.h (gbb_p): New name.
4449
4450 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4451
4452         PR tree-optimization/37684
4453         * gcc.dg/graphite/pr37684.c: New.
4454         * graphite.c (exclude_component_ref): New.
4455         (is_simple_operand): Call exclude_component_ref.
4456
4457 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4458             Harsha Jagasia  <harsha.jagasia@amd.com>
4459
4460         PR tree-optimization/37485
4461         * gcc.dg/graphite/block-2.c: New
4462         * graphite.c (gmp_cst_to_tree): Moved.
4463         (iv_stack_entry_is_constant): New.
4464         (iv_stack_entry_is_iv): New.
4465         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4466         (loop_iv_stack_insert_constant): New.
4467         (loop_iv_stack_pop): Use new datatpype.
4468         (loop_iv_stack_get_iv): Same.
4469         (loop_iv_stack_get_iv_from_name): Same.
4470         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4471         (loop_iv_stack_patch_for_consts): New.
4472         (loop_iv_stack_remove_constants): New.
4473         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4474         (translate_clast): Call loop_iv_stack_patch_for_consts and
4475         loop_iv_stack_remove_constants.
4476         (gloog): Use new datatype.  Redirect construction edge to end
4477         block to avoid accidental deletion.
4478         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4479         iv stack entry.
4480         (union iv_stack_entry_data): New.  Data in iv stack entry.
4481         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4482
4483 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4486         operand type when copying the operand to a variable of different type.
4487
4488 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4489
4490         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4491         with the IV name after increment.
4492
4493 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4494
4495         * Merge from mainline (r140164:140838).
4496
4497 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4498
4499         * graphite-data-ref.c: New.
4500         * graphite.c (print_scop): Also dump the dependence graph.
4501         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4502         (new_scop): Initialize SCOP_DEP_GRAPH.
4503         (build_scop_dynamic_schedules): New.
4504         (build_access_matrix_with_af): Fixed column numbering.
4505         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4506         * graphite.h: Add ifndef/define guards against multiple inclusion.
4507         (struct scop): Add dep_graph field.
4508         (SCOP_DEP_GRAPH): Defined.
4509         (ref_nb_loops): Fixed and moved to other position.
4510         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4511         (nb_loops_around_loop_in_scop): New.
4512         (graphite_dump_dependence_graph): Declared.
4513         (graphite_build_rdg_all_levels): Declared.
4514         (graphite_test_dependence): Declared.
4515         * Makefile.in (graphite-data-ref.o): New target.
4516
4517 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4518
4519         * Merge from mainline (139870:140164).
4520
4521 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4522
4523         * Merge from mainline (138275:139870).
4524         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4525         the commits from trunk broke the niter detection.
4526
4527 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4528
4529         * graphite.c: Add more documentation.  Fix formatting.
4530         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4531         loop_iv_stack_debug): Moved...
4532         (schedule_to_scattering): Move before use.
4533         (dot_all_scops): Include in "#if 0" the code for system
4534         call dotty.
4535
4536         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4537         loop_iv_stack_debug): ...here.
4538
4539 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4540
4541         * tree-phinodes.c (make_phi_node): Extern.
4542         (add_phi_node_to_bb): New.
4543         (create_phi_node): Call add_phi_node_to_bb.
4544         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4545         (remove_statement): Handle case where stored phi was updated
4546         and is no longer the same.
4547         * graphite.c (is_parameter): New.
4548         (is_old_iv): New.
4549         (expand_scalar_variables_expr): New.
4550         (expand_scalar_variables_stmt): New.
4551         (expand_scalar_variables): New.
4552         (move_phi_nodes): Create new phi instead of moving old one.
4553         (translate_clast): Call expand_scalar_variables.
4554         (find_vdef_for_var_in_bb): Also scan regular definitions.
4555         (skip_phi_defs): New.
4556         (collect_scop_exit_phi_args): New.
4557         (patch_scop_exit_phi_args): New.
4558         (gloog): Patch phis after scop.
4559         * tree-flow.h: (add_phi_node_to_bb): Declared.
4560         (make_phi_node): Declared.
4561
4562 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4563
4564         * graphite.c (end_scop): Split the entry of the scop when it
4565         is the header of the loop in which the scop is ending.
4566         (build_scops_1, limit_scops): Update uses of end_scop.
4567
4568 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4569
4570         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4571         SCOP_ENTRY or SCOP_EXIT.
4572
4573 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4574
4575         * graphite.c (get_construction_edge): Removed.
4576         (gloog): Construction edge is the scop entry edge.
4577
4578 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4579
4580         * graphite.c (can_generate_for_scop): Removed.
4581         (gloog): Do not call it.
4582
4583 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4584
4585         * graphite.c (new_scop): Entry of a scop is an edge.
4586         Initialize SESE region.
4587         (free_scop): Free SESE region.
4588         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4589         (split_difficult_bb): New, split from end_scop.
4590         (end_scop): Exit of a scop is an edge.
4591         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4592         not automatically updated and thus is always wrong.
4593         * graphite.h (struct sese): New.
4594         (SESE_ENTRY): New.
4595         (SESE_EXIT): New.
4596         (struct scop): New field for a SESE region.  Remove entry, exit.
4597         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4598         semantics as before.  Moved comment around.
4599
4600 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4601             Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * graphite.c (graphite_transform_loops): Always enable gloog
4604         and find_transform when ENABLE_CHECKING.
4605
4606 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4607
4608         * graphite.c (graphite_transform_loops): Move pretty printer
4609         of SCOPs before doing any transform.  Remove call to print_scops
4610         and dot_all_scops_1.
4611
4612 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4615         (print_graphite_bb): Same.
4616
4617 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4618
4619         * graphite.c (dot_all_scops_1): Cleanup.
4620         (move_scops): Fix comment.
4621
4622 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4623
4624         * graphite.c (build_scop_bbs): Revert commit 139355:
4625
4626         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4627                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4628
4629                 * graphite.c (build_scop_bbs): Factor up code.
4630
4631 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4632
4633         * graphite.c (gloog): Update dominator info.
4634
4635 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4636
4637         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4638
4639 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4640
4641         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4642         initialization.
4643         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4644         (translate_clast): Correct formatting.
4645         * graphite.h (struct num_map): Removed.
4646         (struct graphite_bb): Remove num_map field.
4647         (GBB_INDEX_TO_NUM_MAP): Removed.
4648
4649 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4650
4651         * graphite.c (build_access_matrix_with_af): Fix comments.
4652         (build_scop_data_accesses): Same.
4653
4654 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4655
4656         * graphite.c (build_scop_data_accesses): Don't construct
4657         access matrices.  Add a FIXME and an assert condition that
4658         should pass when the access matrices will be needed.
4659
4660 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4661
4662         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4663         really_constant_p.
4664         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4665         Moved close by free_graphite_bb.
4666         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4667         (new_scop): Move close by free_scop.
4668         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4669
4670 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4671
4672         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4673         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4674         instead of recursive call.
4675         (graphite_translate_clast_equation): New.
4676         (graphite_create_guard_cond_expr): New.
4677         (graphite_create_new_guard): New.
4678         (get_stack_index_from_iv): Removed.
4679         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4680         (get_true_edge_from_guard_bb): New.
4681         (translate_clast): Handle stmt_guard in clast.
4682         (get_construction_edge): Allow construction edge detection for
4683         a scope entry with multiple predecessors if one predecessor is
4684         the immediate dominator of scope entry.
4685         (can_generate_code_stmt): Enable code generation for clast_guard.
4686         (gloog): Use correct context loop.  Removed check for post dominators.
4687         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4688
4689 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4690
4691         * graphite.c (remove_dead_loops): Document better which
4692         loops are removed.
4693
4694 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4697         and PPLINC.
4698         (graphite.o): Also depends on pointer-set.h.
4699
4700 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4701
4702         * graphite.c (scop_record_loop): Fix compile warning.
4703
4704 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4705             Sebastian Pop  <sebastian.pop@amd.com>
4706
4707         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4708
4709 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4710
4711         * graphite.c (build_graphite_bb): Initialize bb->aux to
4712         point to the graphite_bb_p.
4713         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4714         content of bb->aux.
4715         (add_bb_domains): Does not use the scop parameter.
4716         (graphite_transform_loops): Clean bb->aux at the end.
4717
4718 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4719             Sebastian Pop  <sebastian.pop@amd.com>
4720
4721         * testsuite/lib/target-supports.exp
4722         (check_effective_target_fgraphite): New.
4723
4724         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4725         check_effective_target_fgraphite returns false.
4726         Set dg-do-what-default to compile.
4727         (scan-graphite-dump-times): Removed.
4728         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4729
4730         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4731         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4732         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4733         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4734         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4735         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4736         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4737         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4738         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4739         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4740         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4741         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4742         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4743         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4744         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4745         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4746         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4747         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4748         * testsuite/gcc.dg/graphite/block-0.c: Same.
4749         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4750         * testsuite/gcc.dg/graphite/block-1.c: Same.
4751         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4752         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4753         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4754         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4755         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4756
4757 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4758
4759         * graphite.c: Fix some XXX comments.
4760         (build_scop_dynamic_schedules): Removed.
4761
4762 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4763
4764         * graphite.h (scop_max_loop_depth): Moved...
4765         * graphite.c (scop_max_loop_depth): ...here.
4766         (remove_all_edges_1): New.
4767         (remove_all_edges): Factored code.
4768         (remove_cond_exprs): Check only the last statement for
4769         a GIMPLE_COND expression.
4770
4771 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4772
4773         * graphite.c (scan_tree_for_params): Early return when the
4774         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4775         (find_scop_parameters): Factor out code.
4776         (graphite_trans_bb_strip_mine): Remove dead code.
4777
4778 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4779
4780         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4781         graphite_trans_bb_move_loop): Factor asserts.
4782         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4783         Do not call calculate_dominance_info and estimate_bb_frequencies.
4784
4785 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4786
4787         * graphite.c (create_loops_mapping, free_loops_mapping,
4788         create_loops_mapping_num, debug_loop_mapping_1,
4789         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4790         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4791         graphite_loops_mapping_add_child_num,
4792         graphite_loops_mapping_insert_child,
4793         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4794         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4795         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4796         create_num_from_index, get_num_from_index,
4797         swap_loop_mapped_depth): Removed.
4798         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4799         (free_scop): Do not call free_loops_mapping.
4800         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4801         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4802         get_loop_mapped_depth.
4803         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4804         (graphite_trans_bb_strip_mine): Same.
4805         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4806         (struct scop): Remove field loops_mapping.
4807
4808 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4809             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4810
4811         * graphite.c (scop_record_loop): Factor out one level of the
4812         condition by early return.
4813         (build_scop_loop_nests): Format following FSF coding style.
4814         (build_scop_dynamic_schedules): Factor out code.
4815         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4816
4817 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4818             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4819
4820         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4821         assignments that are not handled as simple operands for now.
4822
4823 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4824             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4825
4826         * graphite.c (build_scop_bbs): Factor up code.
4827
4828 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4829             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4830
4831         * graphite.c (stmt_simple_for_scop_p): Factor code out
4832         of the loop.
4833         (enum gbb_type): New.  Group all the GBB_* types under it.
4834         (is_loop_exit): Moved...
4835         (end_scop): Enable BB spliting.
4836         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4837         * cfgloop.h (is_loop_exit): Declared.
4838
4839 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4840
4841         * doc/invoke.texi: Remove strides from examples containing
4842         DO loops when the strides are equal to 1.
4843
4844 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4845             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4846
4847         * graphite.c (graphite_trans_scop_block): Or the result with
4848         the result from graphite_trans_loop_block.
4849         * testsuite/gcc.dg/graphite/block-1.c: New.
4850         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4851         * testsuite/gfortran.dg/graphite/block-2.f: New.
4852
4853 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4854
4855         * graphite.c (graphite_transform_loops): Call cloog_initialize
4856         and cloog_finalize.
4857
4858 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4859
4860         * tree-data-ref.c) (stmt_simple_memref_p): New.
4861         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4862         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4863         (is_simple_operand): Call stmt_simple_memref_p.
4864
4865         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4866         using pointer arithmetic, as this is optimized by PRE and
4867         makes the code too difficult to analyze.
4868
4869         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4870
4871 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4872
4873         * gdbinit.in (pgg): New.
4874
4875 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4876
4877         * graphite.c (graphite_trans_loop_block): Fix warning.
4878
4879 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4880
4881         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4882
4883 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4884
4885         * graphite.c (graphite_trans_bb_block): Remove check for
4886         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4887         Check if loop blocking is profitable for every loop, before applying
4888         the changes.
4889         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4890         if flag_loop_block is set.
4891
4892 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4893
4894         * graphite.c: Add some more documentation for the loop
4895         mapping.
4896
4897 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4898
4899         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4900         * graphite.c: Format on less than 80 columns.
4901         * graphite.h: Same.
4902
4903 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4904
4905         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4906
4907 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4908
4909         * doc/invoke.texi (floop-block, floop-strip-mine,
4910         floop-interchange): Update documentation with examples.
4911
4912 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4913
4914         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4915         add_referenced_var.
4916         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4917
4918 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4919
4920         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4921         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4922         * tree-scalar-evolution.c: Revert useless changes.
4923         * tree-phinodes.c: Same.
4924         * cfghooks.c: Same.
4925         * vec.h: Same.
4926         * tree-vectorizer.h: Same.
4927         * tree-flow.h: Same.
4928         * tree-cfg.c: Same.
4929         * common.opt (fgraphite): Update documentation.
4930
4931 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4932
4933         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4934         -floop-interchange): Add more text for explaining what each of these
4935         flags is doing.
4936         * tree-into-ssa.c (gimple_vec): Moved to...
4937         * graphite.c: Include gimple.h.
4938         (gimple_vec): Moved to...
4939         (del_loop_to_cloog_loop): Removed.
4940         (loop_affine_expr): Do not call create_data_ref when the
4941         operand is a constant.
4942         (new_scop): Use free instead of del_loop_to_cloog_loop.
4943         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4944         * gimple.h (gimple_vec): ... here.
4945
4946 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4947
4948         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4949         latch executions.
4950         (build_loop_iteration_domains): Fail, if latch executions unknown.
4951
4952 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4953
4954         * graphite.c (add_conditions_to_domain): New.
4955         (build_scop_conditions_1): Call add_conditions_to_domain.
4956         (set_cloog_options): Allow to disable optimizations.
4957
4958 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4959
4960         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4961         Do not use walk_dominator_tree.
4962         (find_scop_parameters): Do not use walk_dominator_tree.
4963
4964 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4965
4966         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4967         (idx_record_params): Adapt.
4968         * graphite.h (scop_gimple_loop_depth): New.
4969
4970 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4971
4972         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4973         (scan_tree_for_params): Remove value_init.
4974         (build_scop_context): Remove value_init.
4975         (build_loop_iteration_domains): Remove value_init.
4976         (schedule_to_scattering): Remove value_init.
4977         (graphite_trans_bb_strip_mine): Remove value_init.
4978
4979 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4980
4981         * gcc/graphite.c (limit_scops): New.
4982         (graphite_transform_loops): Add limit SCoPs.
4983         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4984         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4985         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4986         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4987         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4988         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4989         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4990         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4991         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4992         Change loop numbers.
4993         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4994         Change loop numbers.
4995         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4996         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4997         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4998         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4999         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5000         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5001         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5002         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5003         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5004         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5005
5006 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5007
5008         * graphite.c (graphite_transform_loops): Call always find_transform.
5009
5010 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5011
5012         * graphite.c (free_loops_mapping): New.
5013         (stmt_simple_for_scop_p): Fix typo.
5014         (stmt_simple_for_scop_p): Fix tuples functions, that
5015         broke polyhedron.
5016         (free_graphite_bb): Fix some memleaks.
5017         (free_scop): Fix some memleaks.
5018         (scopdet_bb_info): Do not forget some tmp SCoPs.
5019         (find_params_in_bb): Fix some memleaks.
5020         (clast_to_gcc_expression): Fix warning.
5021
5022 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5023
5024         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5025         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5026
5027 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5028
5029         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5030         Move code ifdef-ed HAVE_cloog...
5031         * graphite.c: Include toplev.h.
5032         ... here.
5033         * Makefile.in (OBJS-common): Always build graphite.o.
5034         (BACKEND): Remove @GRAPHITE@.
5035         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5036         (graphite.o): Depend on TOPLEV_H.
5037
5038 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5039
5040         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5041         Remove typo left from polylib to ppl conversion.
5042         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5043
5044 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5045
5046         * toplev.c (process_options): Move the graphite loop optimization
5047         flags...
5048         * tree-ssa-loop.c (graphite_transforms): ... here.
5049         When not configured with CLooG, print to dump_file that
5050         Graphite transforms were not performed.
5051         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5052         New.
5053         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5054         scan-graphite-dump-times.
5055
5056 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5057
5058         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5059         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5060
5061 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5062             Jan Sjodin  <jan.sjodin@amd.com>
5063
5064         * configure: Regenerated.
5065         * omp-low.c (expand_omp_sections): Remove now unused code.
5066         * config.in (HAVE_polylib): Removed.
5067         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5068         (PPLLIBS, PPLINC): Added.
5069         * graphite.c: Replace unsigned with int wherever possible.
5070         Don't access Cloog's data structures, but use accessor functions.
5071         Clast's stmt->type is now implemented as a vtable: change the
5072         switches of stmt->type into ifs.
5073         (polylib/polylibgmp.h): Don't include.
5074         (initialize_dependence_polyhedron,
5075         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5076         statement_precedes_p, test_dependence, build_rdg_all_levels,
5077         dump_dependence_graph): Removed until this code is cleaned up
5078         or ported to Cloog.
5079         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5080         (POLYLIBINC): Renamed PPLINC.
5081
5082 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5083             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5084             Jan Sjodin  <jan.sjodin@amd.com>
5085
5086         Finish the merge and tuplification of graphite.
5087
5088 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5089             Jan Sjodin  <jan.sjodin@amd.com>
5090
5091         Partial merge from mainline (138072:138275).
5092         * graphite.c still has to be tuplified.
5093
5094 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5095
5096         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5097         (create_num_from_index): New.
5098         (get_num_from_index): Also pass in the graphite BB.
5099         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5100         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5101         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5102         (is_interchange_valid): Return false when failing.
5103         * graphite.h (struct num_map): New.
5104         (struct graphite_bb): New field num_map.
5105         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5106
5107 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5108
5109         * graphite.c (dump_gbb_conditions): Print also conditions like
5110         "if (a)".  Remove dublicated code and use print_generic_expr ().
5111         (stmt_simple_for_scop_p): Only allow conditions we can handle
5112         {<, <=, >, >=}.
5113
5114 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5115
5116         * graphite.h (struct scop): Removed new_ivs field.
5117         (SCOP_NEWIVS): Deleted.
5118         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5119         clast_to_gcc_expression, graphite_create_new_loop):
5120         Removed use of new_ivs.
5121
5122 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5123
5124         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5125         create_loops_mapping_num, debug_loop_mapping_1): New.
5126         (debug_loop_mapping): Call debug_loop_mapping_1.
5127         (get_loop_mapping_for_num,
5128         graphite_loops_mapping_add_child,
5129         graphite_loops_mapping_add_child_num,
5130         graphite_loops_mapping_insert_child,
5131         graphite_loops_mapping_parent,
5132         split_loop_mapped_depth_for_num,
5133         loop_mapped_depth_split_loop): New.
5134         (increment_loop_mapped_depths): Removed.
5135         (swap_loop_mapped_depth_for_num): Reimplemented.
5136         (new_scop): Call create_loops_mapping.
5137         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5138         (translate_clast): Pass the old loop father in parameter, and pass
5139         it to get_old_iv_from_ssa_name.
5140         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5141         can_generate_code, can_generate_for_scop): New.
5142         (graphite_trans_bb_block): Returns false when it fails to transform.
5143         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5144
5145 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5146
5147         Reverted all the changes related to the streamization and
5148         loop fusion.
5149         These changes are now tracked in the streamization branch.
5150
5151 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5152             Jan Sjodin  <jan.sjodin@amd.com>
5153
5154         * graphite.c (gbb_compare): Correctly constify.
5155         (gbb_can_be_ignored): Indent.
5156         (graphite_trans_scop_swap_1and2): Add legality check.
5157         Remove dead FIXMEs.
5158
5159 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5160
5161         Remove fallouts from "Reverted the Condate changes".
5162         * tree.h: Remove unused decl.
5163         * testsuite/gcc.dg/tree-checker: Same.
5164         * timevar.def: Remove counter.
5165
5166 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5167
5168         * Merge from mainline (135673:138072).
5169
5170         Reverted the MIRO changes (from 2008-04-05) that are now
5171         tracked in the miro branch.
5172         * tree-bounds.c: Removed.
5173         * tree-bounds.h: Removed.
5174
5175         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5176         are now tracked in the condate branch.
5177         * tree-check.c: Removed.
5178         * tree-match.c: Removed.
5179         * condate.y: Removed.
5180
5181 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5182
5183         * common.opt: New user flag -floop-block, -floop-strip-mine
5184         and -floop-interchange.
5185         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5186         graphite loop optimization flags is turned on.
5187         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5188         flag_loop_strip_mine and flag_loop_interchange checks before
5189         optimizations.
5190         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5191         -floop-strip-mine and -floop-interchange.
5192         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5193         -fgraphite.
5194         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5195         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5196         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5197
5198 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5199             Sebastian Pop  <sebastian.pop@amd.com>
5200
5201         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5202         (create_empty_loop_on_edge): More fixes.
5203         * tree-phinodes.c (resize_phi_node): Extern.
5204         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5205         * cfghooks.c (update_dominator_information): New split from
5206         split_edge.
5207         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5208         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5209         successor of the function entry block.
5210
5211         * graphite.c: Include pointer-set.h.
5212         (debug_loop_mapping, increment_loop_mapped_depths,
5213         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5214         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5215         swap_loop_mapped_depth_for_num, get_num_from_index,
5216         swap_loop_mapped_depth, loop_iv_stack_debug,
5217         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5218         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5219         get_old_iv_from_ssa_name): New.
5220         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5221         (free_scop): Free SCOP_LOOPS_MAPPING.
5222         (scop_record_loop): Record old ivs.
5223         (create_var_name): Removed.
5224         (initialize_cloog_names): Allocate double space in case strip mine
5225         applies to all loops once.
5226         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5227         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5228         translation.
5229         (graphite_create_new_loop): Pass in ivstack.
5230         (remove_all_edges): Pass in the construction_edge.
5231         (graphite_remove_iv): Removed.
5232         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5233         remove_cond_exprs): Rewritten.
5234         (move_phi_nodes): New.
5235         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5236         (translate_clast): Pass in ivstack.  Rewrite some cases.
5237         (set_cloog_options, debug_clast_stmt): New.
5238         (find_transform): Use set_cloog_options.
5239         (outermost_loop_layer): Removed.
5240         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5241         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5242         mark_old_loops, remove_dead_loops): New.
5243         (gloog): Rewritten.
5244         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5245         (const_column_index, get_first_matching_sign_row_index,
5246         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5247         get_upper_bound): New.
5248         (graphite_trans_bb_strip_mine): Also update the iv map.
5249
5250         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5251         (struct name_tree): Add a loop field.
5252         (struct scop): Add a graphite_loops_mapping field.
5253         (SCOP_LOOPS_MAPPING): New.
5254         (debug_clast_stmt): Declare.
5255         * lambda.h (find_induction_var_from_exit_cond): Declare.
5256         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5257         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5258         (create_empty_loop_on_edge): Updated.
5259         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5260         rename_variables_in_bb): Declare.
5261         * tree-cfg.c (remove_bb): Extern.
5262
5263         * testsuite/gcc.dg/graphite/block-0.c: New.
5264
5265 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5266             Sebastian Pop  <sebastian.pop@amd.com>
5267
5268         * graphite.c (strip_mine_profitable_p): New.
5269         (graphite_trans_bb_block): Disable strip mining if not profitable.
5270
5271         * testsuite/gcc.dg/graphite/scop-18.c: New.
5272         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5273         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5274
5275 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5276             Jan Sjodin  <jan.sjodin@amd.com>
5277             Sebastian Pop  <sebastian.pop@amd.com>
5278
5279         * graphite.c (is_interchange_valid): New.
5280         (graphite_trans_bb_block): Check loop nest of basic block for legality
5281         of interchange.
5282
5283         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5284         outer_most_loop, gbb_outer_most_loop_index): New.
5285
5286         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5287         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5288         * testsuite/gcc.dg/graphite/scop-16.c: New.
5289         * testsuite/gcc.dg/graphite/scop-17.c: New.
5290
5291 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5292
5293         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5294         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5295
5296 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5297
5298         * graphite.c (new_scop): Initialize SCOP_EXIT.
5299         (scopdet_info): Add.
5300         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5301         (build_scops_1): Cleanup, bugfixes.
5302         (build_scops): Cleanup.
5303
5304         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5305         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5306
5307 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5308
5309         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5310
5311         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5312         DEFAULT_GRAPHITE_FLAGS.
5313
5314         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5315
5316 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5317
5318         * graphite.c (scan_tree_for_params): Do not assert any more if
5319         MULT_EXPR parameter is negative.
5320
5321         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5322
5323         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5324
5325         * testsuite/gcc.dg/graphite/scop-15.c: New.
5326
5327 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5328
5329         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5330
5331 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5332
5333         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5334         graphite_swap_loops.
5335         (graphite_trans_bb_move_loop): New.
5336         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5337         (graphite_trans_bb_block): New.
5338         (graphite_trans_loop_block): New.
5339         (graphite_trans_scop_swap_1and2): Rename from
5340         graphite_trans_swap_1and2.
5341         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5342         (graphite_trans_scop_block): New.
5343         (graphite_apply_transformations): Rename from
5344         graphite_transformations.
5345
5346         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5347
5348 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5349
5350         * graphite.c (gbb_compare): New.
5351         (graphite_sort_gbbs): New.
5352         (gbb_can_be_ignored): New.
5353         (scop_remove_ignoreable_gbbs): New.
5354         (graphite_transformations): Cleanup and add
5355         scop_remove_ignoreable_gbbs.
5356         * lambda.h (lambda_vector_compare): New.
5357
5358 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5359
5360         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5361         (graphite_swap_loops): int -> unsigned
5362         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5363         (graphite_transformations): New.
5364         (graphite_transform_loops): Move to graphite_transformations.
5365         * graphite.h (gbb_nb_loops): Return unsigned.
5366
5367 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5368
5369         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5370         the domain matrix.  This makes scop-0.c work again.
5371
5372 2008-06-20  Richard Guenther  <rguenther@suse.de>
5373
5374         * graphite.h: Adjust copyright to GPLv3.
5375         * graphite.c: Likewise.
5376         (stmt_simple_memref_for_scop_p): Split out from ...
5377         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5378         and simplify.
5379         (get_bb_type): Optimize.
5380         (is_pred): Remove.
5381         (is_bb_addable): Fix memleak, replace is_pred call with
5382         single_pred.
5383         (build_scops): Use current_loops.
5384         (param_index): Fix memleak.
5385
5386 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5387
5388         * graphite.c: Fix formatting.
5389
5390 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5391
5392         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5393         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5394         (create_var_name, save_var_name): Newly defined functions.
5395         (initialize_cloog_names): Part of the code factored out to
5396         save_var_name.
5397         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5398         in clast_reduction statement.
5399         (graphite_create_new_loop): Now takes a new parameter
5400         for outer_loop.
5401         (translate_clast): Now also takes the context_loop and bb_exit
5402         parameters. Rewritten the code so that it creates a gimple code
5403         inside the given context.
5404         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5405         remove_cond_expr, disconnect_cond_expr,
5406         disconnect_virtual_phi_nodes): Newly defined functions.
5407         * graphite.h (struct scop): added old_ivs vector.
5408         SCOP_OLDIVS: New macro.
5409
5410 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5411
5412         * cfgloopmanip.c: Add missing function comments, fix formatting.
5413
5414 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5415
5416         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5417         (create_empty_loop_on_edge): Defined.
5418         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5419         instead of void.
5420         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5421         (update_dominators_in_loop): Declared as extern
5422         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5423
5424 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5425
5426         * graphite.c (print_graphite_bb): Allow changing number of loops
5427         in SCoP domain.
5428         (initialize_cloog_names): Allow changing number of loops.
5429         (build_cloog_prog): Simplify.
5430         (find_transform): Enable cloog option --strides.
5431         (graphite_swap_loops): New.
5432         (graphite_strip_mine_loop): New.
5433         (graphite_trans_swap_1and2): New.
5434         (graphite_trans_strip): New.
5435         (graphite_transform_loops): Add graphite_trans_strip.
5436         * graphite.h (scop_max_loop_depth): New.
5437
5438 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * graphite.c (build_scop_iteration_domain): Remove forgotten
5441         line. (Fixes compile)
5442
5443 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5444
5445         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5446         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5447         (build_bb_loops): New.
5448         (graphite_transform_loops): Add build_bb_loops.
5449         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5450         numbers.
5451         * graphite.h (graphite_bb): Add loops.
5452         (gbb_nb_loops): New.
5453         (gbb_loop_at_index): New.
5454         (gbb_loop_index): New.
5455         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5456         using nb_params_in_scop.
5457
5458 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5459
5460         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5461         (build_scop_canonical_schedules): Build minimized schedule.
5462         (schedule_to_scattering): Adapt to minimized schedule.
5463         * graphite.h (graphite_bb): Add/Update descriptions.
5464
5465 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5466             Tobias Grosser  <grosser@fim.uni-passau.de>
5467
5468         * graphite.c (print_graphite_bb): Add condition printing.
5469         (dump_value): New.
5470         (dump_gbb_conditions): New.
5471         (build_scop_conditions_1): New.
5472         (build_scop_conditions): New.
5473         * graphite.h (graphite_bb): Add conditions.
5474
5475 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5476
5477         * graphite.c (print_graphite_bb):
5478         (free_graphite_bb): New.
5479         (free_scop): Free bbs.
5480         (get_bb_type): Free doms.
5481         (build_scop_context): Free context matrix.
5482         (build_loop_iteration_domains): Remove unused code.
5483         (build_cloog_prog): Free scattering function and blocklist.
5484         (find_transform): Free options.
5485
5486 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5487
5488         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5489         Remove unnecessery cloog data structures. Make a copy of the domain
5490         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5491         unnecessary cloog data structures. Fix memory leaks. Remove insert
5492         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5493         used.
5494         (build_scop_iteration_domain): Remove unnecessary cloog
5495         data structures.  Fix memory leaks.
5496         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5497         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5498
5499 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5500
5501         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5502
5503 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5504
5505         * graphite.c (end_scop): Style fix.
5506         (schedule_to_scattering): Style and comment fix.
5507
5508 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5509         * graphite.c (print_graphite_bb): Fix definiton of
5510         schedule_to_scattering.
5511         (initialize_cloog_names): Change nb_scattdims to max loop
5512         depth in SCoP.
5513         (schedule_to_scattering): Take parameter for number of scattering
5514         dimensions.
5515         (build_cloog_prog): Only build as much scattering dimensions as
5516         necessary.
5517
5518 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5519
5520         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5521         in polyhedron/aermod.f90.
5522
5523 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5524             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5525             Harsha Jagasia  <harsha.jagasia@amd.com>
5526
5527         * graphite.c (is_bb_addable): Fix segfault.
5528
5529 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5530
5531         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5532         with multiple exits and conditional handling in edge cases.
5533         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5534
5535         * testsuite/gcc.dg/graphite/scop-14.c: New.
5536
5537 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5538             Adrien Eliche  <aeliche@isty.uvsq.fr>
5539
5540         * graphite.c (is_bb_addable): Add more comments and enhance
5541         readablity of the source code. Fix memory leak.
5542         (is_loop_exit): Fix memory leak.
5543
5544 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5545
5546         * graphite.c (first_loop_in_scop): Deleted.
5547         (setup_cloog_loop): Only walk the loop chain for inner loops.
5548         (build_scop_iteration_domain): Execute setup_cloog_loop for
5549         all loops in the first layer.
5550
5551 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5552
5553         * graphite.c (scan_tree_for_params): Change the way params are
5554         added to be indepenent of the number of loops.
5555         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5556         handling.
5557         (build_cloog_prog): Revert to short matrix format.
5558
5559 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5560             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5561
5562         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5563         warning.
5564
5565 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5566
5567         * graphite.c (nb_data_refs_in_scop): New.
5568         (graphite_transform_loops): Print more stats: number of
5569         loops, basic blocks and data references per scop.
5570
5571 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5572             Jan Sjodin  <jan.sjodin@amd.com>
5573
5574         * graphite.c (loop_affine_expr, idx_record_params,
5575         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5576         instead of instantiate_parameters.
5577
5578 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5579
5580         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5581         add support for parameters, add STATIC_SCHEDULE at the right places,
5582         cleanup.
5583
5584 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5585
5586         * graphite.c (build_scop_loop_nests): Only add the loops, that
5587         are contained completely in the SCoP.
5588         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5589         and the domains are fixed.
5590         (build_scop_canonical_schedules): Add support for bbs not contained
5591         in any SCoP.
5592
5593 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5594
5595         * graphite.h (scop_contains_loop): Update comments to match
5596         the actual behavior.
5597         (scop_contains_loop): New.
5598         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5599
5600 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5601
5602         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5603         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5604         as GBB_COND_HEADER.
5605
5606 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5607             Tobias Grosser  <grosser@fim.uni-passau.de>
5608
5609         * graphite.c (graphite_transform_loops): Early return when
5610         there are no loops in the function.
5611
5612 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5613             Jan Sjodin  <jan.sjodin@amd.com>
5614
5615         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5616         offset of the last loop.
5617         (setup_cloog_loop): Copy the entire outer constraint matrix.
5618
5619 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5620             Jan Sjodin  <jan.sjodin@amd.com>
5621
5622         * graphite.c (stmt_in_scop_p, function_parameter_p,
5623         invariant_in_scop_p): Removed.
5624         (scan_tree_for_params): Can be used with no constraint
5625         matrix for gathering parameters.
5626         (idx_record_params): Don't use idx_record_param, instead use
5627         scan_tree_for_params.
5628         (find_scop_parameters): Same.
5629         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5630         Fix the size of loop domains.
5631         (schedule_to_scattering): Exit when the outer loop is not in scop.
5632         (find_transform): Enable build_cloog_prog.
5633
5634 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5635             Jan Sjodin  <jan.sjodin@amd.com>
5636
5637         * graphite.c (schedule_to_scattering): Make scattering domains
5638         uniformly of the same size, as required by CLooG 0.14.0 and before.
5639
5640 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5641             Jan Sjodin  <jan.sjodin@amd.com>
5642
5643         * graphite.c (schedule_to_scattering): Rewrite, correct the
5644         translation of the scheduling function to scattering.
5645         (build_cloog_prog): Call schedule_to_scattering only once.
5646         * graphite.h (scop_loop_index): Do not fail for loops not
5647         in the scop: return -1.
5648
5649 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5650
5651         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5652         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5653         (setup_cloog_loop): Export GBB_DOMAIN.
5654         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5655         able to rebuild the original control flow.
5656         * graphite.h (graphite_bb): Add domain field and access macro.
5657         (GBB_DOMAIN): New.
5658
5659 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5660
5661         * graphite.c (debug_gbb): New.
5662         (print_scop, build_graphite_bb): Use SCOP_BBS.
5663         (build_scop_bbs): Reimplemented.
5664         (dfs_bb_in_scop_p): Removed.
5665         (build_scop_loop_nests): Reorder loops inserted in
5666         SCOP_LOOP_NEST: outer loops should come first.
5667         (build_scop_canonical_schedules): Reinitialize at zero
5668         the components of the SCOP_STATIC_SCHEDULE for the loops
5669         that have already been parsed.
5670
5671         * graphite.h (debug_gbb): Declared.
5672
5673 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5674             Jan Sjodin  <jan.sjodin@amd.com>
5675
5676         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5677         (graphite_loop_to_gcc_loop): Removed.
5678         (remove_all_edges): New.
5679         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5680         (gloog): Remove useless code.
5681
5682 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5683
5684         * graphite.c (get_bb_type): Reworked. We distinguish between
5685         loops with one or multiple exits.
5686         (is_loop_exit): New.
5687         (is_pred): New.
5688         (is_bb_addable): Rework condition handling, now support for case
5689         case statements and loops with multiple exits.
5690
5691         * testsuite/gcc.dg/graphite/scop-11.c: New.
5692         * testsuite/gcc.dg/graphite/scop-12.c: New.
5693         * testsuite/gcc.dg/graphite/scop-13.c: New.
5694
5695 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5696
5697         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5698         we have too many colors.
5699
5700 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5701
5702         * doc/invoke.texi (-ftree-loop-fusion): Document.
5703         * tree-pass.h (pass_loop_fusion): Declared.
5704         * tree-loop-fusion.c: New.
5705         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5706         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5707         * tree-data-ref.h (find_data_references_in_loop): Declared.
5708         * common.opt (ftree-loop-fusion): Declared.
5709         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5710
5711 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5712
5713         * graphite.c (build_access_matrix): Fix typo from the merge.
5714
5715 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5716
5717         * Merge from mainline (130800:135673).
5718
5719 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5720
5721         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5722         Update dominators after splitting.
5723
5724 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5725
5726         * graphite.c (is_bb_addable): Return the harmful statement.
5727         Factor up some code.
5728         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5729         (build_scops_1): Call end_scop.
5730
5731 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5732
5733         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5734         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5735         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5736         build_scops_1): Removed.
5737         (build_scops_2): Renamed build_scops_1.
5738
5739 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5740
5741         * graphite.c: Fix formatting.
5742
5743 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5744
5745         * graphite.c (get_bb_type): New.
5746         (move_scops): New.
5747         (build_scops_2): New.
5748         (is_bb_addable): New.
5749         (build_scops): Switch the scop detection.
5750         (build_scop_bbs): Add entry bb to scop.
5751         * graphite.h (struct scop): Update comment.
5752
5753 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5754
5755         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5756         more colors.
5757
5758 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5759
5760         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5761         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5762         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5763         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5764         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5765
5766 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5767
5768         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5769         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5770         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5771         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5772         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5773
5774 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5775
5776         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5777         Check affine expressions depending on the outermost loop
5778         instead of a scop.
5779         (stmt_simple_for_scop_p): Same.
5780         (harmfule_stmt_in_scop): Same.
5781
5782 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5783
5784         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5785         mark entry and exit, that are not part of the SCoP and update HTML
5786         formatting.
5787
5788 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5789
5790         * graphite.c (basic_block_simple_for_scop_p): Renamed
5791         harmful_stmt_in_bb.
5792         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5793         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5794         (all_preds_visited_p, all_succs_visited_p,
5795         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5796         scop_end_loop): New.
5797         (build_scops): Do not use dfs_enumerate_from.
5798
5799         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5800
5801 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5802
5803         * graphite.c: Add comments to functions that are missing a
5804         description.
5805         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5806
5807 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5808
5809         * graphite.c (nb_params_in_scop): Moved...
5810         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5811         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5812         (clast_to_gcc_expression): Reduce column size to less than 80.
5813         (graphite_create_iv): Return the new name of the IV.
5814         (find_transform): Set options->esp and options->cpp.
5815         (gloog): Comment out the invalidation of the old loop code.
5816         (initialize_dependence_polyhedron): Replace scop_nb_params with
5817         nb_params_in_scop.
5818
5819         * graphite.h (nb_params_in_scop): ... here.
5820         (scop_nb_params): Removed.
5821         (loop_domain_dim): Return something even when the loop was not
5822         found in the hash table: avoid ICEing on all the graphite.exp
5823         testcases.
5824
5825 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5826
5827         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5828
5829         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5830         according to nesting level.
5831         (find_scop_parameters): Call instantiate_parameters.
5832         (scan_tree_for_params): Extend it to handle general affine bounds.
5833         Inner loop bound can depend on outer loop induction variable.
5834         (setup_cloog_loop): tmp variable is allocated on stack. Call
5835         instantiate_parameters with respect to outermost_loop_in_scop.
5836         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5837         graphite.h.
5838         (create_empty_loop): Function loopify should be given edge
5839         probability, instead of edge frequency. Dominance relation from
5840         switch_bb to loop_header.
5841         (clast_to_gcc_expression): Added handling of clast_reduction node.
5842         (gloog): New functionality for removing old loop.
5843         (test_dependence): Factored out from build_rdg_all_levels.
5844         (build_rdg_all_levels): Dependence testing factored out to
5845         test_dependence function.
5846
5847         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5848         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5849         from graphite.c
5850
5851 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5852
5853         * graphite.c (free_scop, param_index, initialize_cloog_names,
5854         nb_params_in_scop): Use name_tree map instead of just a tree
5855         for keeping track of the variable name associated to that tree.
5856         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5857         clast_to_gcc_expression, graphite_create_iv,
5858         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5859         graphite_stmt_to_gcc_stmt): New.
5860         (gloog): Call these.
5861         * graphite.h (struct name_tree): New.
5862         (struct scop): Use name_tree instead of tree for params.
5863         Store a vector of name_tree for new_ivs.
5864         (SCOP_NEWIVS): New.
5865         (scop_nb_params): Use name_tree instead of tree.
5866
5867 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5868             Sebastian Pop  <sebastian.pop@amd.com>
5869
5870         * tree-bounds.c: New.
5871         * tree-bounds.h: New.
5872         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5873         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5874         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5875         flag_mudflap.
5876         * gcc.c: Same.
5877         * toplev.c: Same.
5878         * c-cppbuiltin.c: Same.
5879         * c-pragma.c: Same.
5880         * common.opt: Same.
5881         * varasm.c: Same.
5882         * tree-outof-ssa.c: Same.
5883         * c-common.c: Same.
5884         * Makefile.in: Same.
5885
5886 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5887             Sebastian Pop  <sebastian.pop@amd.com>
5888
5889         * tree-loop-distribution.c (remaining_stmts,
5890         upstream_mem_writes): Removed static variables.
5891         (copy_loop_before, create_bb_after_loop,
5892         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5893         rdg_build_components, rdg_build_partitions,
5894         dump_rdg_partitions): Extern.
5895         (generate_loops_for_partition, generate_code_for_partition): Do not
5896         return a bool.
5897         (already_processed_vertex_p, predecessor_has_mem_write,
5898         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5899         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5900         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5901         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5902         Pass remaining_stmts and upstream_mem_writes as parameters.
5903         (rdg_component): Moved...
5904         (build_rdg_partition_for_component): Do not aggregate components when
5905         flag_streamize_loops is set.
5906         (gen_sequential_loops): New.
5907         (ldist_gen): Call gen_sequential_loops.
5908
5909         * tree-pass.h (pass_loop_streamization): Declared.
5910
5911         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5912         basic blocks when loops structures exist.
5913
5914         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5915
5916         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5917
5918         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5919         eliminate_local_variables_stmt, eliminate_local_variables,
5920         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5921         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5922         of code delimited by two edges in the CFG.
5923         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5924         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5925         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5926         the case of parallelisation of reductions.
5927         (create_loop_fn): Extern.
5928         (create_omp_parallel_region): New.
5929
5930         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5931         dump_data_reference for printing dra and drb.
5932         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5933         RDGE_RELATION.
5934         (build_rdg): Don't call free_dependence_relations for the moment, as
5935         we attach dependence relations on each edge of the RDG.
5936         To be fixed later.
5937
5938         * tree-data-ref.h (rdg_component): ...here.
5939         (struct rdg_edge): New field ddr_p relation.
5940         (RDGE_RELATION): New.
5941         (create_bb_after_loop, copy_loop_before,
5942         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5943         rdg_build_partitions, dump_rdg_partitions,
5944         free_rdg_components): Declared.
5945
5946         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5947         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5948
5949         * tree-loop-streamization.c: New.
5950
5951         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5952         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5953
5954         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5955
5956         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5957
5958         * passes.c: Schedule pass_loop_streamization.
5959
5960 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5961
5962         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5963         update comment.
5964
5965 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5966
5967         * graphite.c (dot_all_scops): Update formatting.
5968         Bbs can now be part of more than one SCoP.
5969
5970 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5971
5972         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5973         malloc problems.
5974         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5975         * graphite.h (loop_to_cloog_loop): New.
5976
5977 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5978
5979         * graphite.c (loop_domain_dim, ref_nb_loops,
5980         loop_iteration_vector_dim): New.
5981         (build_access_matrix_with_af, build_access_matrix,
5982         initialize_dependence_polyhedron): Fixed for new matrix layout.
5983         No longer assume that all iteration domains are of the same
5984         dimensionality.
5985
5986 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5987
5988         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5989         defined in a loop at depth 0 is invariant.
5990         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5991         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5992         be called at loop depth 0.
5993
5994         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5995         a parameter.
5996         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5997         (down_open_scop): Removed.
5998         (loop_in_scop_p): Redefined.
5999         (scop_affine_expr): New argument: scop.
6000         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6001         a harmful statement ending a scop.
6002         (basic_block_simple_for_scop_p): New argument: scop.
6003         (get_loop_start): Removed.
6004         (new_scop): Initialize SCOP_LOOPS.
6005         (free_scop): Free SCOP_LOOPS.
6006         (succs_at_same_depth, preds_at_same_depth): New.
6007         (end_scop): Test the validity of a scop.
6008         (add_dominators_to_open_scops): New.
6009         (test_for_scop_bound): Call add_dominators_to_open_scops.
6010         Add cases for opening and closing multiple scops.
6011         (build_scops, build_scop_bbs): Iterate over basic blocks in
6012         depth first order.
6013         (build_graphite_bb): Pass scop directly.
6014         (dfs_bb_in_scop_p): New.
6015         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6016         several times.
6017         (nb_loops_around_gb): Use loop_in_scop_p.
6018         (schedule_to_scattering): Disabled for the moment the code computing
6019         the "textual order for outer loop".
6020
6021         * graphite.h (struct scop): New field loops.
6022         (SCOP_LOOPS): New.
6023         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6024
6025         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6026
6027 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6028             Sebastian Pop  <sebastian.pop@amd.com>
6029
6030         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6031         * common.opt (fstreamize-loops): New.
6032         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6033         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6034         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6035         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6036
6037 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6038
6039         * tree-data-ref.c (build_empty_rdg): New.
6040         (build_rdg): Use it.
6041         * tree-data-ref.h (build_empty_rdg): Declared.
6042         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6043         (find_vertex_for_stmt): Removed.
6044         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6045
6046 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6047
6048         * tree-loop-distribution.c (generate_builtin): After cancelling the
6049         loop tree, also delete basic blocks.
6050         (rdg_flag_uses): Stop recursion when a vertex has already been
6051         processed.
6052
6053 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6054
6055         * graphite.c (build_scop_alpha): Removed.
6056         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6057         and dump_dependence_graph to avoid compiler warnings.
6058
6059 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6060
6061         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6062         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6063         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6064         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6065         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6066         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6067         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6068         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6069         dump_dependence_graph): New.
6070         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6071         (GBB_ALPHA): New.
6072         (struct scop): New field loop2cloog_loop.
6073         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6074         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6075
6076 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6077
6078         * graphite.c (build_graphite_bb): Fix initialization
6079         of the graphite basic block.
6080
6081 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6082
6083         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6084         loop domain matrix.  Pass in the number of loops contained in the
6085         constraint matrix.
6086         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6087         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6088         loops that are not surrounding the current loop are not represented
6089         in the domain constraint matrix.
6090         (build_scop_iteration_domain): Initial domain constraint matrix
6091         contains only the eq/ineq, cst, and scop parameters columns.
6092
6093 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6094
6095         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6096         (print_graphite_bb): Print scattering.
6097
6098 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6099
6100         * graphite.c (initialize_cloog_names): Initialize names of
6101         scattering variables.
6102
6103 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6104
6105         * graphite.c (dot_all_scops_1): Disable debug output while
6106         printing graph.
6107
6108 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6109
6110         * graphite.c (find_transform): Change cloog output language to C.
6111
6112 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6113
6114         * tree-loop-distribution.c (generate_memset_zero,
6115         generate_builtin, generate_code_for_partition,
6116         rdg_flag_all_uses): New.
6117         (rdg_flag_uses): Gather in the same partition the statements defining
6118         the VUSES of the current statement.
6119         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6120         Gather in the same partition not only the stores to the same memory
6121         access, but also the reads.
6122         (ldist_generate_loops): Renamed ldist_gen.
6123
6124 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6125             Tobias Grosser  <grosser@fmi.uni-passau.de>
6126
6127         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6128         next pointer, don't use the inner pointer.
6129
6130 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6131
6132         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6133         (find_transform): Call dot_all_1.
6134         * graphite.h (dot_all_scops): Declared.
6135
6136 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6137
6138         * tree-loop-distribution.c: Fix apsi.f ICE.
6139         (create_bb_after_loop): New.
6140         (generate_loops_for_partition): Use it.
6141         * testsuite/gfortran.dg/ldist-1.f90: New.
6142
6143         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6144         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6145
6146 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6147
6148         * graphite.c (find_transform): Dump cloog program sent to cloog.
6149
6150 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6151
6152         * graphite.c (initialize_cloog_names): Initialize cloog
6153         iterator names.
6154
6155 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6156
6157         * graphite.c (build_scop_context): Fix typo, for the matrix
6158         format: insert '0 >= 0' instead of '-1 >= 0'.
6159
6160 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6161
6162         * Fix merge problems.
6163
6164 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6165
6166         * graphite.c (setup_cloog_loop): Fix typo.
6167
6168 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6169
6170         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6171         * tree-loop-distribution.c: Reimplemented.
6172         * tree-pass.h (pass_loop_distribution): New.
6173         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6174         print_loops.
6175         * graphds.h (struct graph): New field indexes.
6176         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6177
6178         * tree-vect-analyze.c: Remove declaration of static functions when not
6179         needed.
6180         * tree-vectorizer.c: Same.
6181         (rename_variables_in_loop): Now extern.
6182         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6183         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6184         calling redirect_edge_and_branch_force.
6185
6186         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6187
6188         * tree-data-ref.c: Don't include tree-chrec.h.
6189         (debug_data_dependence_relations): New.
6190         (dump_data_dependence_relation): Call dump_data_reference on data refs
6191         in the relation.
6192         (same_access_functions): Moved...
6193         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6194         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6195         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6196         struct rdg_vertex_info, ): New.
6197         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6198         at DDR_REVERSED_P.
6199         (create_rdg_vertices): Initialize the htab of graph->indexes.
6200         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6201         (stmts_from_loop): Don't save LABEL_EXPR.
6202         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6203         hash_stmt_vertex_del): New.
6204         (build_rdg): Initialize rdg->indexes.
6205         (free_rdg, stores_from_loop, ref_base_address,
6206         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6207         have_similar_memory_accesses_1, ref_base_address_1,
6208         remove_similar_memory_refs): New.
6209
6210         * tree-data-ref.h: Include tree-chrec.h.
6211         (debug_data_dependence_relations): Declared.
6212         (same_access_functions): ...here.  Now static inline.
6213         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6214         ddr_dependence_level): New.
6215         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6216         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6217         RDG_MEM_READS_STMT): New.
6218         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6219         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6220         rdg_vertex_for_stmt): Declared.
6221         (struct rdg_edge): New field level.
6222         (RDGE_LEVEL, free_rdg): New.
6223         (stores_from_loop, remove_similar_memory_refs,
6224         rdg_defs_used_in_other_loops_p,
6225         have_similar_memory_accesses): Declared.
6226         (rdg_has_similar_memory_accesses): New.
6227
6228         * lambda.h (dependence_level): New.
6229         * common.opt (ftree-loop-distribution): New.
6230         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6231         (print_loop_ir): Renamed print_loops.
6232         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6233         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6234         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6235         (tree-loop-distribution.o): Added.
6236         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6237         (mark_virtual_ops_in_bb): New.
6238         (print_loops_bb, debug_loop_num, debug_loop): New.
6239         * passes.c: Scheduled pass_loop_distribution.
6240
6241 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6242
6243         * graphite.c (scan_tree_for_params): Correct the number of columns
6244         for polylib format.
6245         (nb_flat_iterator): New.
6246         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6247         (build_scop_iteration_domain): Correct the number of columns for
6248         polylib format.
6249
6250 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6251
6252         * Merge from mainline (129697:130800).
6253
6254 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6255
6256         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6257         dominated by SCoP's exit.
6258         (graphite_transform_loops): Compute post dominators.
6259
6260 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6261
6262         * Merge from mainline (127169:129697).
6263
6264 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6265
6266         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6267         parameter for the basic block that contains the expression.  Use
6268         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6269         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6270         the expression.
6271         * graphite.h (gbb_loop): New.
6272         (GBB_LOOP): Removed.
6273
6274 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6275
6276         * Makefile.in: Fix merge problem.
6277
6278 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6279
6280         * Merge from mainline (125309:127169).
6281         * tree-loop-distribution.c: Disabled.
6282
6283 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6284
6285         * Merge from mainline (r123693:125309).
6286
6287 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6288
6289         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6290         correct_modify_p
6291         (correct_modify_p, check_statements, number_of_lvalue_uses,
6292         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6293         instead of MODIFY_EXPR.
6294         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6295         and push new edges.
6296
6297 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6298
6299         * tree-loop-distribution.c (struct rdg): Replace arrays by
6300         VECs for edges and vertices.
6301         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6302         (RDGV_NB_PARTITIONS): New.
6303         (PRDG_NBV, PRDG_NBE): Removed.
6304         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6305         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6306         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6307
6308 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6309             Sebastian Pop  <sebpop@gmail.com>
6310
6311         * doc/invoke.texi (-ftree-loop-distribution): Document.
6312         * tree-loop-distribution.c: New file.
6313         * tree-pass.h (pass_loop_distribution): Declared.
6314         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6315         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6316         and set reversed_p.
6317         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6318         (DDR_REVERSED_P): New.
6319         * common.opt (-ftree-loop-distribution): New.
6320         * tree-flow.h (distribute_loops): Declared.
6321         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6322         * passes.c (init_optimization_passes): Schedule loop distribution.
6323
6324 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6325
6326         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6327         (print_scop): Don't print when scop is NULL.
6328         (build_scop_context, find_transform): Don't output to stderr.
6329
6330 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6331
6332         * tree-data-ref.c: Don't include graphite.h.
6333         Comment out the code for printing data reference's scop.
6334         (build_access_matrix_with_af): Moved...
6335         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6336         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6337         (print_graphite_bb): Print basic block's schedule.
6338         (print_scop): Don't print the schedule, call cloog's pretty printer.
6339         (bb_in_scop_p): A basic block is in a scop only if it is both
6340         dominated and postdominated by the scop's entry and exit basic blocks.
6341         (function_parameter_p): New.
6342         (invariant_in_scop_p): Use function_parameter_p.
6343         (new_scop, save_scop): New.
6344         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6345         save_scop.
6346         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6347         (loop_in_scop_p): New.
6348         (scop_record_loop): Use loop_in_scop_p.
6349         (build_scop_domain): Renamed build_scop_iteration_domain.
6350         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6351         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6352         setup_cloog_loop, dot_scop_1, dot_scop): New.
6353         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6354         (struct scop): Add a pointer to cloog's representation of a program.
6355
6356 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6357
6358         * doc/invoke.texi (-ftree-check-verbose): Renamed
6359         -ftree-checks-verbose.
6360         * common.opt (flag_tree_check_verbose): Renamed
6361         flag_tree_checks_verbose.
6362         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6363
6364 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6365
6366         * configure: Regenerated.
6367         * config.in: Regenerated.
6368         * tree-ssa-loop.c (graphite_transforms): Execute
6369         graphite_transform_loops only when HAVE_cloog.
6370         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6371         * graphite.c: Include polylibgmp.h and cloog.h.
6372         (graphite_transform_loops): Removed loops parameter.
6373         * tree-flow.h (graphite_transform_loops): Update declaration.
6374         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6375         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6376         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6377         (OBJS-common): Remove dependence on graphite.o.
6378         (BACKEND): Depend on @GRAPHITE@.
6379
6380 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6381
6382         * doc/invoke.texi (-ftree-check-verbose): Documented.
6383         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6384         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6385         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6386         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6387         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6388         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6389         * common.opt (ftree-checks-verbose): New.
6390         * tree-check.c (tree_check_warning): Move extra stderr output
6391         under control of flag_tree_check_verbose.
6392
6393 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6394
6395         * tree-match.c: Fix comments formatting.
6396         * tree-match.h: Fix comments formatting.
6397         * tree-check.c: Fix comments formatting.
6398         (tree_check_init): Restructure.
6399
6400 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6401
6402         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6403
6404 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6405
6406         * Merge from mainline (r120733:123693).
6407
6408 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6409
6410         * condate.y: New file.
6411         * tree-match.h (struct patt_info_s): New field sign.
6412         (struct condate_s): New field msg.
6413         (normalize_condate, name_condate, add_condate): New.
6414         (conds[], condate_parse): Made extern.
6415         * tree-check.c (tree_check_warning): First arg changed to cond;
6416         warning reformatted.
6417         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6418         (tree_scan): New.
6419         (tree_check): Process trivial condates.
6420         (read_delimited_string): Removed.
6421         (print_cond): Print name and msg.
6422         (conds[]): Made extern.
6423         (parse_tree_check_file_once): Rewritten to use the parser in
6424         condate.y.
6425         Processing of option --tree_check_string moved to tree_scan().
6426         * Makefile.in: Added condate.y
6427
6428 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6429
6430         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6431         Use VECs instead of varrays.
6432         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6433         * Makefile.in (pretty-print.o): Depend on vec.h.
6434         * pretty-print.c: Include tree.h and vec.h.
6435         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6436         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6437         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6438         pp_free_list): Use VECs instead of varrays.
6439         * pretty-print.h: Do not include varray.h.
6440         (struct tree_chunk_s): Declaration moved before its use.
6441         (output_buffer): Rename varray field to chunks.
6442         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6443         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6444         save_global_holes): Use VECs instead of varrays.
6445         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6446         * tree-check.c (scan_cfg_stmts, push_node,
6447         print_matching_stmt): Removed.
6448         (tree_check_instance, push_global_holes_if_new, tree_check,
6449         execute_tree_check): Use VECs instead of varrays.
6450         (gate_tree_check): Don't execute the CFG check when basic_block_info
6451         is not available.
6452
6453 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6454
6455         * Merge from mainline (r115016:120733).
6456
6457 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6458
6459         * Merge from mainline (r117632:117661).
6460
6461 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6462
6463         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6464         * tree-pass.h (TDF_DEBUG, debug_p): New.
6465         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6466         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6467         get_loop_exit_condition, analyze_evolution_in_loop,
6468         analyze_initial_condition, analyze_scalar_evolution,
6469         instantiate_parameters, number_of_latch_executions): Use debug_p.
6470         * tree-chrec.c (chrec_apply): Use debug_p.
6471         * tree-data-ref.c: Include graphite.h.
6472         (dump_data_reference): Print also the access matrix.
6473         (analyze_array, analyze_indirect_ref, init_data_ref,
6474         analyze_offset_expr, address_analysis, object_analysis,
6475         create_data_ref, finalize_ddr_dependent,
6476         non_affine_dependence_relation, analyze_ziv_subscript,
6477         analyze_siv_subscript_cst_affine,
6478         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6479         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6480         analyze_miv_subscript, analyze_overlapping_iterations,
6481         build_classic_dist_vector, subscript_dependence_tester,
6482         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6483         (build_access_matrix_with_af): No longer static.
6484         * tree-data-ref.h (scop_p): ... declaration here.
6485         (data_reference.scop): New field.
6486         (DR_SCOP, DR_ACCESS_MATRIX): New.
6487         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6488         * graphite.c (print_graphite_bb): Call dump_data_references.
6489         (print_scop): Use scop_nb_loops and scop_dim_domain.
6490         (test_for_scop_bound): Use debug_p.
6491         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6492         scop_nb_params.
6493         (scop_loop_index): Moved...
6494         (scop_record_loop): New.
6495         (build_scop_loop_nests): Use scop_record_loop.
6496         (build_scop_domain): Use scop_dim_domain.
6497         (build_access_matrix): Implemented.
6498         (build_scop_canonical_schedules): Use scop_nb_loops.
6499         (build_graphite_bb): Initialize GBB_SCOP.
6500         * graphite.h (scop_p): Moved...
6501         (graphite_bb.scop): New field.
6502         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6503         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6504         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6505         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6506         scop_loop_index): New.
6507         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6508
6509 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6510
6511         * Merge from mainline (r117661:120450).
6512
6513 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6514
6515         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6516         at the first declaration outside the varying loop, instantiate as
6517         far as possible.
6518         * tree-chrec.c (for_each_scev_op): New.
6519         * tree-chrec.h (for_each_scev_op): Declared.
6520         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6521         * tree-data-ref.c (get_references_in_stmt,
6522         find_data_references_in_stmt): New, from trunk.
6523         (find_data_references_in_loop): Use get_references_in_stmt
6524         and find_data_references_in_loop, modified as in trunk.
6525         (build_access_matrix_with_af): New.
6526         * tree-data-ref.h (data_reference): Add a field access_matrix.
6527         (data_ref_loc): New, as in trunk.
6528         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6529         invariant_in_scop_p, param_index, scan_tree_for_params,
6530         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6531         idx_record_param, idx_record_params, build_access_matrix,
6532         build_scop_data_accesses, build_scop_canonical_schedules,
6533         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6534         build_scop_params): New.
6535         * graphite.h (graphite_bb): New.
6536         (scop): Add fields static_schedule, params, loop_nest,
6537         iteration_domain.
6538         * lambda.h: Declare vecs of lambda_matrix.
6539         * tree-flow.h (print_loop_ir_bb): Declared.
6540         * tree-cfg.c (print_loop_ir_bb): New.
6541         (print_loop): Use print_loop_ir_bb.
6542
6543 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6544
6545         * Merge from mainline (r115016:117632).
6546
6547 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6548
6549         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6550         break due to a warning.
6551
6552 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6553
6554         * graphite.c (print_scops, debug_scops): New.
6555         (graphite_transform): Renamed graphite_find_transform.
6556         * graphite.h (debug_scops): Declared.
6557
6558 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6559
6560         * tree-match.c: Reformat following the GNU style.
6561         * tree-match.h: Reformat following the GNU style.
6562         * tree-pattern.h: Removed empty file.
6563         * Makefile.in: Remove references to tree-pattern.h.
6564         * tree-check.c: Reformat following the GNU style.
6565         (execute_tree_check): Move gate condition code to...
6566         (gate_tree_check): ...here.  New function.
6567         (pass_check): Use the gate function.
6568
6569 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6570
6571         * tree-pattern.h: New. Tree pattern matching and checking using
6572         concrete syntax.
6573         * tree-check.c: New. Tree/CFG checking pass.
6574         * tree-match.c: New. Library for tree pattern matching.
6575         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6576         * toplev.c, flags.h: Add globals for tree-check pass.
6577         * Makefile.in: Integrate the files in tree-check pass.
6578         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6579         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6580         Introduce a "lazy" pretty-print mode.
6581         * tree.c, tree.h: Add tree_name.
6582
6583 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6584
6585         * doc/invoke.texi (-fgraphite): Correct typo.
6586         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6587         use of print_loop_ir.
6588         * testsuite/gcc.dg/graphite/scop-1.c: New.
6589         * testsuite/gcc.dg/graphite/scop-2.c: New.
6590         * testsuite/gcc.dg/graphite/graphite.exp: New.
6591         * graphite.c: Include domwalk.h.
6592         (print_scop): Print only the entry and exit blocks.
6593         (debug_scop): No longer static.
6594         (affine_expr): Fix formating.  Return also true when the expression is
6595         constant.
6596         (stmt_simple_for_scop_p): Fix formating.
6597         (build_scops): Use domwalk.
6598         (get_loop_start, end_scop, test_for_scop_bound): New.
6599         (graphite_transform_loops): Avoid printing on stderr.
6600         * graphite.h (debug_scop): Declared.
6601         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6602         * Makefile.in (graphite.o): Depend on domwalk.h.
6603         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6604         declarations for static functions.
6605         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6606         controlling output verbosity.
6607
6608 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6609             Plesco Alexandru  <shurikx@gmail.com>
6610
6611         * doc/invoke.texi (-fgraphite): Document.
6612         * tree-pass.h (pass_graphite_transforms): Declared.
6613         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6614         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6615         (pass_graphite_transforms): Defined.
6616         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6617         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6618         * graphite.c, graphite.h: New.
6619         * common.opt (fgraphite): Declared.
6620         * tree-flow.h (graphite_transform_loops): Declared.
6621         * Makefile.in (OBJS-common): Add graphite.o.
6622         (graphite.o): New rule.
6623         * passes.c (pass_graphite_transforms): Scheduled.
6624