gcc/ChangeLog.graphite

   1 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-scop-detection.c (exclude_component_ref): Removed.
   4         (is_simple_operand): Removed.
   5         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
   6
   7 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         PR middle-end/42221
  10         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  11         the array indexing of ADDR_EXPRs.
  12
  13         * testsuite/gcc.dg/graphite/pr42221.c: New.
  14
  15 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         PR middle-end/42521
  18         * graphite.c (graphite_finalize): Call scev_reset.
  19         (graphite_transform_loops): Do not call scev_reset between the code
  20         generation of scops.
  21
  22         * testsuite/gcc.dg/graphite/pr42521.c: New.
  23
  24 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         * graphite-interchange.c (memory_stride_in_loop): Renamed
  27         pdr_stride_in_loop.
  28         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
  29         (memory_strides_in_loop): Memoize the memory strides per loop.
  30         (lst_interchange_profitable_p): Do not initialize to zero the memory
  31         strides.
  32         * graphite-poly.h (struct lst): Add a field memory_strides.
  33         (LST_LOOP_MEMORY_STRIDES): New.
  34         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  35         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  36
  37 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  40         memory_strides_in_loop.  Gather memory strides on a whole loop.
  41         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  42         (lst_interchange_profitable_p): Removed.
  43         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  44
  45 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  48         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  49         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  50         Remove context_loop and level.
  51
  52 2010-01-07  Richard Guenther  <rguenther@suse.de>
  53
  54         PR tree-optimization/42641
  55         * sese.c (rename_map_elt_info): Use the SSA name version, do
  56         not hash pointers.
  57
  58 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  59
  60         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
  61         blocked" only when both the strip mine and the interchange have
  62         been applied.
  63
  64         * testsuite/gcc.dg/graphite/block-2.c: Removed.
  65         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
  66         * testsuite/gcc.dg/graphite/block-4.c: Same.
  67         * testsuite/gcc.dg/graphite/block-5.c: Same.
  68         * testsuite/gcc.dg/graphite/block-6.c: Same.
  69
  70 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
  73         before allocating a new one.
  74         (copy_renames): Check that slot is not NULL.
  75         (mark_bb_with_pbb): Same.
  76         (compute_cloog_iv_types_1): Same.
  77         * graphite-interchange.c (lst_perfect_nestify): Free the before,
  78         nest, and after LSTs.
  79         (lst_try_interchange_loops): Same.
  80
  81 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/42178
  84         * graphite-interchange.c (lst_try_interchange_loops): Do not return
  85         the before, nest, and after LSTs.
  86         (lst_try_interchange): Removed.
  87         (lst_interchange_select_inner): Do not iterate over the LSTs if they
  88         were modified.
  89         (lst_interchange_select_outer): Apply interchange on the outer loop
  90         until there are no more changes in the inner loops.
  91
  92 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         Revert patch fixing PR middle-end/42221.
  95
  96 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         PR middle-end/42180
  99         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 100         GIMPLE_CALL.
 101
 102         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 103
 104 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         PR middle-end/42180
 107         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 108         that contain only one statement.
 109
 110         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 111
 112 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         PR middle-end/42393
 115         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 116
 117 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         PR middle-end/42186
 120         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 121
 122 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         PR middle-end/42205
 125         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 126         Insert the reduction copy in the same block as the phi node.
 127         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 128
 129         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 130         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 131
 132 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         PR middle-end/42221
 135         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 136         the array indexing of ADDR_EXPRs.
 137
 138         * testsuite/gcc.dg/graphite/pr42221.c: New.
 139
 140 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 141
 142         PR middle-end/42178
 143         PR middle-end/42334
 144         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 145         index.  Call lst_interchange_select_inner only once.
 146         (lst_interchange_select_inner): Update use of lst_try_interchange.
 147         (lst_interchange_select_outer): Update.
 148
 149 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         PR middle-end/42178
 152         PR middle-end/42334
 153         * graphite-interchange.c (lst_try_interchange): Do not increment the
 154         the OUTER index when there is no AFTER kernel.  Do not increment the
 155         OUTER index for after processing the AFTER kernel.
 156         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 157         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 158         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 159         (scop_do_interchange): Update use of lst_interchange_select_outer.
 160
 161         * testsuite/gfortran.dg/graphite/graphite.exp
 162         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 163         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 164         the graphite dump file.
 165         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 166         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 167
 168 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         PR middle-end/42178
 171         PR middle-end/42334
 172         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 173         that are empty.
 174         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 175         (lst_try_interchange): Reimplemented.
 176         (lst_interchange_select_inner): Same.
 177         (lst_do_interchange): Renamed lst_interchange_select_outer.
 178         Reimplemented.
 179         (scop_do_interchange): Update use of lst_interchange_select_outer.
 180
 181         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 182         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 183         * testsuite/gcc.dg/graphite/pr42211.c: New.
 184         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 185
 186 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 187
 188         PR middle-end/42181
 189         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 190         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 191
 192         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 193
 194 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 195
 196         PR middle-end/42284
 197         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 198         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 199         (detect_commutative_reduction_arg): Simplified.
 200         (detect_commutative_reduction): Early return when the argument of
 201         the close phi is not of an SSA_NAME.
 202
 203         * testsuite/gcc.dg/graphite/pr42284.c: New.
 204
 205 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 206
 207         * dbgcnt.def (graphite_scop): New counter.
 208         * graphite.c: Include dbgcnt.h
 209         (graphite_transform_loops): Use new counter to limit transformations.
 210
 211 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 212
 213         PR middle-end/42285
 214         * graphite-scop-detection.c (graphite_can_represent_init): Also
 215         handle more complex MULT_EXPRs containing parameters by recursion
 216         on the structure.
 217
 218         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 219
 220 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 221
 222         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 223
 224 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 225
 226         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 227
 228 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 229
 230         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 231         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 232
 233 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 234
 235         PR middle-end/42130
 236         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 237         translate_clast_for_loop): New.
 238         (translate_clast_for): Add a condition around the loop, to do not
 239         execute loops with zero iterations.
 240         * testsuite/g++.dg/graphite/pr42130.C: New.
 241         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 242
 243 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 244
 245         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 246         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 247         Remove context_loop and level.
 248
 249 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 250
 251         * graphite-clast-to-gimple.c (translate_clast_user,
 252         translate_clast_for, translate_clast_guard): Simplify and move common
 253         elements to translate_clast().
 254         (translate_clast): Simplify and get common elements.
 255
 256 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 257
 258         * graphite-clast-to-gimple.c (translate_clast_user,
 259         translate_clast_for, translate_clast_guard): Split out of
 260         translate_clast.
 261
 262 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 263
 264         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 265         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 266         debug_clast_name_indexes_1, debug_clast_name_indexes,
 267         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 268         (clast_name_to_gcc, clast_to_gcc_expression,
 269         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 270         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 271         graphite_create_guard_cond_expr, graphite_create_new_loop,
 272         translate_clast): Add params_index.
 273         (initialize_cloog_names): Create parameter strings from scratch, do
 274         not reference other strings.
 275         (create_params_index): New.
 276         (gloog): Initialize params_index.
 277         * graphite-scop-detection (free_scops_1): Removed.
 278         (limit_scops): Use normal free_scops.
 279         * graphite-sese-to-poly.c (save_var_names): Removed.
 280         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 281         and SESE_PARAMS_INDEX.
 282         * sese.c (new_sese, free_sese): Dito.
 283         * sese.h (struct sese): Remove params_index, params_names.
 284         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 285
 286 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 287
 288         Revert the following patch from 2009-09-14:
 289         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 290         tree-scalar-evolution.h, and then tree-data-ref.h.
 291         * graphite-clast-to-gimple.c: Same.
 292         * graphite-dependences.c: Same.
 293         * graphite-interchange.c: Same.
 294         * graphite-poly.c: Same.
 295         * graphite-scop-detection.c: Same.
 296         * graphite-sese-to-poly.c: Same.
 297         * graphite.c: Same.
 298         * lambda-code.c: Same.
 299         * matrix-reorg.c: Same.
 300         * tree-data-ref.c: Same.
 301         * tree-if-conv.c: Same.
 302         * tree-loop-distribu: Same.: Same.
 303         * tree-loop-linear.c: Same.
 304         * tree-parloops.c: Same.
 305         * tree-predcom.c: Same.
 306         * tree-vect-patterns.c: Same.
 307
 308 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 309
 310         Revert patch from 2009-09-14.
 311         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 312         passes at -O1 and below.
 313
 314 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 315
 316         PR middle-end/40281
 317         * testsuite/gcc.dg/graphite/pr40281.c: New.
 318
 319         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 320         evolutions should not variate in inner loops.
 321
 322 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 323
 324         PR middle-end/42050
 325         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 326
 327 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 328
 329         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 330         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 331
 332 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 333
 334         * graphite-blocking.c (scop_do_block): New.
 335         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 336         * graphite-poly.h (scop_do_block): Declared.
 337
 338 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 341         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 342         to transform depth into the time_depth before calling
 343         pbb_number_of_iterations_at_time.
 344         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 345         lst_depth.
 346
 347 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 348
 349         Reverted the patch for "scattering permutations" from 2009-10-28.
 350
 351         * graphite-poly.c (print_permutation): New.
 352         (debug_permutation): New.
 353         (new_poly_bb): Initialize PBB_PERMUTATION.
 354         (free_poly_bb): Free PBB_PERMUTATION.
 355         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 356         (struct pbb_permutation_elt): New.
 357         (PBB_PERMUTATION_ELT_STRIDE): New.
 358         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 359         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 360         (new_pbb_permutation_elt): New.
 361         (pbb_permutation_elt_free): New.
 362         (struct poly_bb): Add field permutation.
 363         (PBB_PERMUTATION): New.
 364         (print_permutation): Declared.
 365         (debug_permutation): Declared.
 366
 367 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 368
 369         * graphite-interchange.c (build_partial_difference): New.
 370         (memory_stride_in_loop): Refactored the computation of
 371         equality constraints into build_partial_difference function.
 372         Added support for debugging stride computations.
 373
 374 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * graphite-clast-to-gimple.c (gloog): Free if_region,
 377         if_region->true_region, and if_region->region.
 378         * sese.c (if_region_set_false_region): Free if_region->false_region.
 379         (create_if_region_on_edge): Do not use GGC_NEW.
 380         (move_sese_in_condition): Remove useless initialization.
 381
 382 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 385         for the loops created by the loop distribution.  Do not modify the
 386         input LSTs.
 387         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 388         transformed schedule.  Call lst_update_scattering before data
 389         dependence analysis.
 390         (lst_try_interchange): Pass an extra parameter INDEX.
 391         (lst_do_interchange_1): New.
 392         (lst_do_interchange): Call lst_do_interchange_1.
 393         (scop_do_interchange): Call lst_update_scattering.
 394         * graphite-poly.c (apply_poly_transforms): Do not call
 395         lst_update_scattering.
 396         * graphite-poly.h (lst_pred): New.
 397         (lst_succ): New.
 398         (lst_find_first_pbb): Return NULL when not found.
 399         (lst_empty_p): New.
 400         (lst_insert_in_sequence): Allow LST1 to be NULL.
 401         (lst_replace): New.
 402         (lst_substitute_3): New.
 403         * gcc.dg/graphite/interchange-1.c: XFail.
 404         * gcc.dg/graphite/interchange-8.c: XFail.
 405         * gcc.dg/graphite/interchange-11.c: XFail.
 406
 407 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 408
 409         * graphite-interchange.c (lst_perfectly_nested_p): New.
 410         (lst_perfect_nestify): New.
 411         (lst_try_interchange_loops): Call store_lst_schedule,
 412         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 413         (scop_do_interchange): Avoid redundant legality test.
 414         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 415         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 416         * graphite-poly.h (psct_static_dim): New.
 417         (lst_dewey_number_at_depth): New.
 418         (lst_find_pbb): Restructured.
 419         (lst_find_first_pbb): Restructured.
 420         (lst_find_last_pbb): New.
 421         (lst_contains_p): New.
 422         (lst_contains_pbb): New.
 423         (lst_create_nest): New.
 424         (lst_remove_from_sequence): New.
 425         (pbb_update_scattering): New.
 426         (lst_update_scattering_under): New.
 427         (lst_update_scattering_seq): New.
 428         (lst_update_scattering): New.
 429         (lst_insert_in_sequence): New.
 430         (lst_distribute_lst): New.
 431         (lst_remove_all_before_including_pbb): New.
 432         (lst_remove_all_before_excluding_pbb): New.
 433
 434 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 435
 436         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 437         get_loop_exit_edges.
 438
 439 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 442
 443 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 444
 445         * graphite-poly.c (print_permutation): New.
 446         (debug_permutation): New.
 447         (new_poly_bb): Initialize PBB_PERMUTATION.
 448         (free_poly_bb): Free PBB_PERMUTATION.
 449         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 450         (struct pbb_permutation_elt): New.
 451         (PBB_PERMUTATION_ELT_STRIDE): New.
 452         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 453         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 454         (new_pbb_permutation_elt): New.
 455         (pbb_permutation_elt_free): New.
 456         (struct poly_bb): Add field permutation.
 457         (PBB_PERMUTATION): New.
 458         (print_permutation): Declared.
 459         (debug_permutation): Declared.
 460
 461 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         * graphite-clast-to-gimple.c (gloog): Do not call
 464         sese_reset_aux_in_loops.
 465         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 466         extra argument for domains.  Do not use loop->aux.
 467         (build_scop_iteration_domain): Initialize and free domains, pass it
 468         to build_loop_iteration_domains and extract the information from
 469         domains.  Do not use loop->aux.
 470         * sese.c (sese_reset_aux_in_loops): Removed.
 471         * sese.h (sese_reset_aux_in_loops): Removed.
 472
 473 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 474
 475         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 476         (dependency_in_loop_p): Same.
 477         (translate_clast): Do not use loop->aux.  Initialize
 478         loop->can_be_parallel.
 479         (mark_loops_parallel): Removed.
 480         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 481         * graphite.c (free_aux_in_new_loops): Removed.
 482         (graphite_finalize): Do not call free_aux_in_new_loops.
 483         (graphite_transform_loops): Do not call mark_loops_parallel.
 484
 485 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 486
 487         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 488         (translate_clast): Pass an extra parameter LEVEL.
 489         Call get_scattering_level.
 490         * graphite-clast-to-gimple.h (get_scattering_level): New.
 491
 492 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 495         * cfgloop.h (struct loop): New field single_iv.
 496
 497         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 498         loop->aux anymore: use loop->single_iv.
 499         (graphite_loop_normal_form): Moved...
 500         (build_graphite_loop_normal_form): Removed.
 501         (gloog): Do not call build_graphite_loop_normal_form.
 502         (free_aux_in_new_loops): Moved...
 503         (mark_loops_parallel): Restructure.
 504         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 505         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 506         (scop_canonicalize_loops): New.
 507         (build_poly_scop): Call scop_canonicalize_loops.
 508         * graphite.c (free_aux_in_new_loops): ...here.
 509
 510 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 511
 512         * g++.dg/graphite/graphite.exp: Add the same rules as in
 513         gcc.dg/graphite/graphite.exp.
 514
 515 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * g++.dg/graphite/id-1.C: New.
 518
 519 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 522         argument base_name.
 523         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 524         (rewrite_phi_out_of_ssa): Same.
 525         (rewrite_cross_bb_scalar_deps): Same.
 526         (translate_scalar_reduction_to_array): Same.
 527
 528 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 529
 530         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 531         dump_alias_graphs.
 532
 533 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 536         (build_scop_drs): Call dump_alias_graphs.
 537
 538 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 539
 540         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 541         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 542         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 543         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 544         * graphite-poly.h (free_lst): New.
 545         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 546         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 547
 548 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 549
 550         * graphite-poly.h (struct scop): Add a field saved_schedule.
 551         (SCOP_SAVED_SCHEDULE): New.
 552         (store_lst_schedule): New.
 553         (restore_lst_schedule): New.
 554         (store_scattering): Call store_lst_schedule.
 555         (restore_scattering): Call restore_lst_schedule.
 556
 557 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 560         (pdr_add_alias_set): Same.
 561         (build_poly_dr): Same.
 562         (build_alias_set_optimal_p): Same.
 563         (build_base_obj_set_for_drs): Same.  Do not store the result of
 564         graphds_dfs.
 565
 566 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 569         all_components_are_cliques to 1.
 570
 571 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 572
 573         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 574         the new structure.
 575         (pdr_add_alias_set): Update retrieving alias_set_num.
 576         (build_poly_dr): Update retrieving dr_base_object_set.
 577         (partition_drs_to_sets): Remove.
 578         (build_alias_set_optimal_p): New.
 579         (build_alias_set_for_drs): Rename.
 580         (build_scop_drs): Update.
 581         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 582         (ALIAS_SET_INDEX): Remove.
 583         (BASE_OBJECT_SET_INDEX): Remove.
 584
 585 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 588
 589 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 590
 591         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 592         loop upper bounds for 1-element arrays at end of structures.
 593         * tree-flow.h (array_at_struct_end_p): Declared.
 594         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 595
 596 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * g++.dg/graphite/pr41305.C: New.
 599
 600 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 601
 602         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 603         construction of parameter constraints from loop iteration analysis.
 604         * gcc.dg/graphite/run-id-2.c: New test.
 605
 606 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 609         and new_cstr.
 610
 611 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-dependences.c (dependence_polyhedron_1): Remove
 614         unused gdim dimensions from the DDR polyhedron.
 615
 616 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 617
 618         * graphite-dependences.c (pddr_transformed_scattering): New.
 619         (dot_original_deps_stmt_1): New.
 620         (dot_transformed_deps_stmt_1): New.
 621         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 622         dot_transformed_deps_stmt_1.
 623         (dot_original_deps): New.
 624         (dot_transformed_deps): New.
 625         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 626
 627 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * graphite-dependences.c (reduction_dr_1): Remove wrong
 630         assert: reduction BBs can have multiple reduction writes
 631         to memory.  interchange-3.f90 is an example.
 632
 633 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * gfortran.dg/graphite/interchange-3.f90: New.
 636
 637 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 638
 639         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 640
 641 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * graphite-dependences.c (dependence_polyhedron_1): Add the
 644         context to the dependence polyhedron.
 645
 646 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 647
 648         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 649         PBB_PDR_DUPLICATES_REMOVED.
 650         (new_poly_bb): Same.
 651
 652 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 653
 654         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 655         SCOP_CONTEXT.
 656         (build_loop_iteration_domains): Extract bounds on parameters
 657         based on the data size.
 658         (build_scop_context): Do not initialize SCOP_CONTEXT;
 659         add new constraints.
 660
 661 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 664         * graphite-ppl.h (graphite-ppl.h): Declared.
 665
 666 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * graphite-ppl.c (ppl_print_linear_expr): New.
 669         (debug_ppl_linear_expr): New.
 670         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 671         (debug_ppl_linear_expr): Declared.
 672
 673 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * graphite-interchange.c: Fix comments.
 676         * gcc.dg/graphite/block-1.c: Fix comments.
 677
 678 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 679
 680         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 681         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 682
 683 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 684
 685         Reapply the patch from Alexander Monakov that disappeared during
 686         the last merges from trunk.
 687
 688         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 689
 690         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 691         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 692
 693 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 694
 695         * graphite-interchange.c (memory_stride_in_loop): The depth
 696         argument corresponds to a dynamic time dimension, so use
 697         psct_dynamic_dim to refer to the transformed scattering dimension.
 698
 699 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 700
 701         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 702
 703 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 706         root of the LST.
 707         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 708         the root of the LST.
 709         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 710         fake loop.
 711         (print_lst): Print the root of LST in a different format.
 712         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 713
 714 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 717
 718 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * doc/passes.texi: Document the Graphite infrastructure.
 721
 722 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 725         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 726         and check the SSA representation.
 727
 728         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 729
 730 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 733
 734 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 735
 736         * gcc.dg/graphite/interchange-11.c: New.
 737
 738 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 741
 742 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 743
 744         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 745         Add -fno-loop-strip-mine and -fno-loop-interchange.
 746         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 747         -fno-loop-strip-mine.
 748         * gfortran.dg/graphite/graphite.exp: Same.
 749
 750 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 751
 752         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 753         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 754         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 755         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 756         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 757         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 758         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 759         DEFAULT_FLAGS_GRAPHITE_SCOP.
 760         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 761         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 762
 763 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 766
 767 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 768             Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * graphite-interchange.c (build_linearized_memory_access): Pass an
 771         offset as parameter.
 772         (memory_stride_in_loop): Include transform scattering in the
 773         access functions to be able to querry the strides in the
 774         transformed loops.
 775         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 776         not the psct_iterator_dim.
 777
 778 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 779
 780         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 781         (lst_do_strip_mine_loop): New.
 782         (lst_do_strip_mine): New.
 783         (scop_do_strip_mine): Call lst_do_strip_mine.
 784         * graphite-poly.h (lst_add_loop_under_loop): New.
 785         (lst_find_first_pbb): New.
 786
 787 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * graphite-poly.c (loop_to_lst): Fix LST creation.
 790
 791 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 792
 793         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 794         sizeof(unsigned long) to make it run on 32bit systems.
 795
 796 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 797
 798         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 799         SEGFAULT on 32bit.
 800
 801 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 802
 803         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 804         Comment.
 805         (write_alias_graph_to_ascii_dot): New.
 806         (write_alias_graph_to_ascii_ecc): Ditto.
 807         (partition_drs_to_sets): Add testing of optimality of current method
 808         which assigns alias numbers according to DFS Comopnent number.  used
 809         as heuristic for the upcoming ECC algorithm.
 810         (build_scop_drs): Write to file also with the ecc and dot format.
 811
 812 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 813
 814         * gfortran.dg/graphite/interchange-1.f: XFail.
 815
 816 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite.c (graphite_initialize): Do not handle functions with
 819         more than 100 basic blocks.
 820
 821 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 822
 823         * graphite-blocking.c (pbb_do_strip_mine): Use
 824         PARAM_LOOP_BLOCK_TILE_SIZE.
 825
 826 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         * graphite-poly.c (dot_lst_1): New.
 829         (dot_lst): New.
 830         * graphite-poly.h (dot_lst): Declared.
 831
 832 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 833
 834         * graphite-dependences.c (dot_deps_stmt_1): New.
 835         (dot_deps_stmt): New.
 836         * graphite-dependences.h (dot_deps_stmt): Declared.
 837
 838 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 839
 840         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 841         not replace cross BB scalar dependences ending on PHI nodes.
 842         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 843
 844 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 845
 846         * graphite-poly.c (apply_poly_transforms): Implement the high
 847         level driver for flag_loop_block.
 848         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 849         flag_loop_block.
 850
 851         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 852         -floop-block.
 853         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 854         Add -floop-block.
 855
 856 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 857
 858         * graphite-poly.h (lst_find_pbb): New.
 859         (find_lst_loop): New.
 860
 861 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 864         * graphite-poly.h (struct scop): Remove dep_graph field.
 865         (SCOP_DEP_GRAPH): Removed.
 866
 867 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite-poly.h (copy_lst): Do full copy of LST.
 870
 871 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 874         when the loop stride is zero.
 875
 876         * gcc.dg/graphite/id-16.c: New.
 877
 878 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-dependences.c (reduction_dr_1): New.
 881         (reduction_dr_p): New.
 882         (graphite_legal_transform_dr): Call reduction_dr_p.
 883         (reduction_ddr): Renamed reduction_ddr_p.
 884         * graphite-poly.h (same_pdr_p): New.
 885         (number_of_write_pdrs): New.
 886         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 887         (split_reduction_stmt): Do not split reduction statements
 888         when there are no writes to memory.
 889         (translate_scalar_reduction_to_array_for_stmt): Insert the
 890         memory reduction statement just after the scalar reduction statement.
 891
 892         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 893         Un-XFAIL-ed.
 894         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 895         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 896
 897 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * graphite-interchange.c (lst_apply_interchange): New.
 900         (lst_interchange_profitable_p): New.
 901         (lst_try_interchange_loops): New.
 902         (lst_try_interchange): New.
 903         (lst_do_interchange): New.
 904         (pbb_do_interchange): Removed.
 905         (scop_do_interchange): Call lst_do_interchange.
 906
 907 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 908
 909         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 910         SCOP_TRANSFORMED_SCHEDULE.
 911         (loop_to_lst): New.
 912         (scop_to_lst): New.
 913         (print_lst): New.
 914         (debug_lst): New.
 915         * graphite-poly.h (lst_p): New.
 916         (struct lst): New.
 917         (LST_LOOP_P): New.
 918         (LST_LOOP_FATHER): New.
 919         (LST_PBB): New.
 920         (LST_SEQ): New.
 921         (scop_to_lst): Declared.
 922         (print_lst): Declared.
 923         (debug_lst): Declared.
 924         (new_lst_loop): New.
 925         (new_lst_stmt): New.
 926         (copy_lst): New.
 927         (lst_depth): New.
 928         (lst_dewey_number): New.
 929         (struct scop): Add original_schedule and transformed_schedule fields.
 930         (SCOP_ORIGINAL_SCHEDULE): New.
 931         (SCOP_TRANSFORMED_SCHEDULE): New.
 932         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 933
 934 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 935
 936         * graphite-dependences.c (reduction_ddr): New.
 937         (graphite_legal_transform_bb): Call reduction_ddr.
 938         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 939         Initialize PBB_IS_REDUCTION.
 940         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 941         (PBB_IS_REDUCTION): New.
 942         (new_poly_bb): Update declaration.
 943         * graphite-scop-detection.h (build_scop_bbs): Removed.
 944         (nb_reductions_in_loop): Removed.
 945         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 946         parameter for reductions.
 947         (try_generate_gimple_bb): Update call to new_poly_bb.
 948         (build_scop_bbs_1): Same.
 949         (build_scop_bbs): Same.
 950         (gsi_for_phi_node): New.
 951         (scalar_close_phi_node_p): Remove gcc_assert.
 952         (split_reduction_stmt): New.
 953         (is_reduction_operation_p): New.
 954         (phi_contains_arg): New.
 955         (follow_ssa_with_commutative_ops): New.
 956         (detect_commutative_reduction_arg): New.
 957         (detect_commutative_reduction_assign): New.
 958         (follow_inital_value_to_phi): New.
 959         (edge_initial_value_for_loop_phi): New.
 960         (initial_value_for_loop_phi): New.
 961         (detect_commutative_reduction): New.
 962         (translate_scalar_reduction_to_array_for_stmt): New.
 963         (insert_copyout): New.
 964         (insert_copyin): New.
 965         (translate_scalar_reduction_to_array): New.
 966         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 967         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 968         (rewrite_commutative_reductions_out_of_ssa): New.
 969         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 970         * sese.h (split_region_for_bb): New.
 971
 972         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 973         * gcc.dg/graphite/interchange-1.c: Fix format.
 974         * gcc.dg/graphite/interchange-10.c: New.
 975
 976 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 977
 978         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 979         buggy assert.
 980
 981 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 984         (rewrite_cross_bb_scalar_dependence): New.
 985         (rewrite_cross_bb_scalar_deps): New.
 986         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 987         Call rewrite_cross_bb_scalar_deps.
 988
 989 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 992         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 993         gsi_for_stmt.
 994
 995 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 998         * graphite-interchange.c (pbb_do_interchange): Same.
 999         * graphite-poly.c (print_scattering_function): Same.
1000         (debug_pdrs): Same.
1001         * graphite-poly.h (pbb_loop): New.
1002         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1003
1004 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1007
1008 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1011         so don't pass a pointer to it.
1012         (build_alias_set_for_drs): Same.
1013         (build_base_obj_set_for_drs): Same.
1014         (build_scop_drs): Same.
1015
1016 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1017
1018         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1019         the alias graph of data references.
1020
1021 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1022
1023         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1024         (build_scop_drs): When debugging, write the alias graph to file,
1025         otherwise, should be disabled.
1026
1027 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1030         (is_simple_operand): Remove call to stmt_simple_memref_p.
1031         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1032
1033 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1034
1035         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1036         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1037         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1038         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1039         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1040
1041 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1042
1043         PR middle-end/41118
1044         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1045         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1046         (graphite_carried_dependence_level_k): Ditto.
1047         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1048         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1049         (new_poly_dr): Adjust declaration.
1050         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1051         (free_gimple_bb): Added free_data_refs_aux.
1052         (build_poly_dr): Add dr_base_object_set.
1053         (partition_drs_to_sets): New.
1054         (dr_same_base_object_p): New.
1055         (build_alias_set_for_drs): New.
1056         (build_base_object_set_for_drs): New.
1057         (build_scop_drs): Add build_base_obj_set_for_drs.
1058         * graphite-sese-to-poly.h: Added #define for alias set number index and
1059         base object set index.
1060         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1061         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1062
1063 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1064
1065         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1066         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1067
1068 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-sese-to-poly.c (struct irp_data): Removed.
1071         (idx_record_params): Removed.
1072         (find_params_in_bb): Scan for parameters the access functions; don't
1073         parse the tree representation.
1074
1075 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1078         passes at -O1 and below.
1079
1080 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1083         tree-scalar-evolution.h, and then tree-data-ref.h.
1084         * graphite-clast-to-gimple.c: Same.
1085         * graphite-dependences.c: Same.
1086         * graphite-interchange.c: Same.
1087         * graphite-poly.c: Same.
1088         * graphite-scop-detection.c: Same.
1089         * graphite-sese-to-poly.c: Same.
1090         * graphite.c: Same.
1091         * lambda-code.c: Same.
1092         * matrix-reorg.c: Same.
1093         * tree-data-ref.c: Same.
1094         * tree-if-conv.c: Same.
1095         * tree-loop-distribu: Same.: Same.
1096         * tree-loop-linear.c: Same.
1097         * tree-parloops.c: Same.
1098         * tree-predcom.c: Same.
1099         * tree-vect-patterns.c: Same.
1100
1101 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         Partially revert the previous patch, except the following.
1104         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1105         as parameters the operands of the not expression.
1106
1107 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1108
1109         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1110         Do not call analyze_scalar_evolution on assignments.
1111         (instantiate_scev_phi): Call analyze_scalar_evolution.
1112         (instantiate_scev_name): Call instantiate_scev_assign and
1113         instantiate_scev_phi.
1114         (instantiate_scev_not): Adapted to pass as parameters the operands
1115         of the not expression.
1116
1117 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1120         to pass as parameters the operands of the binary expression.
1121
1122 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1125         instantiate_scev_not.  Handle NEGATE_EXPR.
1126         (instantiate_scev_r): Handle NEGATE_EXPR.
1127
1128 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1131         instantiate_scev_r.
1132         (instantiate_scev_r): Move code in instantiate_scev_2
1133         and instantiate_scev_1.
1134
1135 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * tree-scalar-evolution.c (instantiate_scev_3): New.
1138         (instantiate_scev_1): Move code in instantiate_scev_3.
1139
1140 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1141
1142         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1143         (instantiate_scev_1): Move code in instantiate_scev_poly.
1144
1145 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1148         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1149
1150 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1151
1152         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1153         (instantiate_scev_1): Move code in instantiate_scev_convert.
1154
1155 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1156
1157         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1158         (instantiate_scev_1): Move code in instantiate_scev_binary.
1159
1160 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * tree-scalar-evolution.c (instantiate_scev_name): New.
1163         (instantiate_scev_1): Move code in instantiate_scev_name.
1164
1165 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * Merge from mainline (150992:151171).
1168
1169 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-dependences.c (graphite_legal_transform_bb): Call
1172         pbb_remove_duplicate_pdrs.
1173         * graphite-poly.c (can_collapse_pdr): Removed.
1174         (pdr_find_duplicate): Removed.
1175         (can_collapse_pdrs): New.
1176         (pbb_remove_duplicate_pdrs): New.
1177         (new_poly_dr): Do not look for duplicates.
1178         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1179         (PBB_PDR_DUPLICATES_REMOVED): New.
1180         (pbb_remove_duplicate_pdrs): Declared.
1181
1182 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1185         the strides by multiplying by PDR_NB_REFS.
1186         * graphite-poly.c (can_collapse_pdr): New.
1187         (pdr_find_duplicate): New.
1188         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1189         Initialize PDR_NB_REFS.
1190         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1191         (PDR_NB_REFS): New.
1192         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1193
1194 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1195
1196         Revert one of the previous commits:
1197         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1198         the computation of symmetric data dependence relations.
1199         (dependency_between_pbbs_p): Same.
1200
1201 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         PR middle-end/40965
1204         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1205         any transform.
1206
1207 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1208
1209         * graphite-dependences.c (pddr_original_scattering): Return NULL
1210         for read-read dependence relations.
1211         * graphite-poly.h (enum poly_dr_type): Fix comment.
1212         (pdr_read_p): New.
1213         (pdr_write_p): New.
1214         (pdr_may_write_p): New.
1215
1216 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1219         (struct poly_dr): Same.
1220         (new_poly_dr): Same.
1221         * graphite-poly.c (new_poly_dr): Same.
1222
1223 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1224             Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1227         pbb_strip_mine_time_depth.  Changed the implementation so that
1228         transformation is expressed as a transformation on
1229         time (scatttering) dimensions.  Also, ensures that the 2d+1
1230         scheduling format is preserved.
1231         (pbb_strip_mine_profitable_p): Profitability is based on the
1232         iteration number of a given time (scattering) dimension,
1233         and not on a original loop depth dimension.
1234         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1235         (pbb_do_strip_mine): Call psct_dynamic_dim.
1236         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1237         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1238         (pbb_nb_dynamic_scattering_transform): New.
1239         (psct_dynamic_dim): New.
1240
1241 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1242
1243         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1244         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1245         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1246         * graphite-interchange.c (build_linearized_memory_access): Same.
1247         (memory_stride_in_loop): Same.
1248
1249 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-dependences.c (pddr_original_scattering): New.
1252         (graphite_legal_transform_dr): Call pddr_original_scattering.
1253         (dot_deps_1): New.
1254         (dot_deps): New.
1255         * graphite-dependences.h (dot_deps): Declared.
1256         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1257         (print_pdr): Print PDR_ID.
1258         * graphite-poly.h (struct poly_dr): Add field id.
1259         (PDR_ID): New.
1260         (pbb_index): New.
1261         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1262
1263 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1266         not delete the original dependence relation.
1267
1268 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1271         the computation of symmetric data dependence relations.
1272         (dependency_between_pbbs_p): Same.
1273
1274 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1277         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1278         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1279         (free_poly_ddr): New.
1280         (pddr_is_empty): New.
1281         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1282         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1283         Remove fprintfs.
1284         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1285         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1286         * graphite-dependences.h (enum poly_dependence_kind): New.
1287         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1288         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1289         (PDRP_SINK): Renamed PDDR_SINK.
1290         (PDRP_DDP): Renamed PDDR_DDP.
1291         (PDDR_KIND): New.
1292         (free_poly_ddr): Declared.
1293         * graphite-poly.c (new_scop): Use the new hash function names.
1294         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1295         into original_pddrs.
1296         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1297
1298 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * Merge from mainline (150764:150992).
1301
1302 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1305         bounds with LT_EXPR to make niter analysis more precise on code
1306         generated by Graphite.
1307
1308 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1311         (graphite_legal_transform_bb): Same.
1312         (poly_drs_may_alias_p): Same.
1313
1314 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         PR middle-end/40981
1317         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1318         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1319
1320 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-poly.c (print_pbb): Print PBB index.
1323
1324 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * Merge from mainline (r150672:150764).
1327
1328 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * graphite-interchange.c (ppl_max_for_le): Moved...
1331         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1332         * graphite-ppl.c (ppl_max_for_le): ... here.
1333         * graphite-ppl.h (ppl_max_for_le): Declared.
1334
1335 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1336
1337         * Merge from mainline (r150372:150672).
1338
1339 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         PR middle-end/40980
1342         * sese.c (convert_for_phi_arg): New.
1343         (add_guard_exit_phis): Use convert_for_phi_arg.
1344
1345         * testsuite/gfortran.dg/graphite/id-17.f: New.
1346
1347 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1350         unknown subscript upper bounds.
1351
1352         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1353
1354 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1355             Pranav Garg  <pranav.garg2107@gmail.com>
1356
1357         * graphite-interchange.c (gather_access_strides): Removed.
1358         (ppl_max_for_le): New.
1359         (build_linearized_memory_access): New.
1360         (memory_stride_in_loop): New.
1361         (pbb_interchange_profitable_p): Reimplemented.
1362         * graphite-ppl.h (ppl_new_id_map): New.
1363         (ppl_interchange): New.
1364
1365         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1366
1367 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1368
1369         * graphite-interchange.c (compute_subscript): Removed.
1370         (compute_array_size_cstr): Removed.
1371         (compute_array_size_poly): Removed.
1372         (compute_array_size): Removed.
1373         (gather_access_strides_poly): Removed.
1374         (gather_access_strides): Empty.
1375
1376 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * graphite-dependences.c (dependence_polyhedron_1): Replace
1379         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1380         (graphite_legal_transform_dr): Same.
1381         (graphite_carried_dependence_level_k): Same.
1382         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1383         Initialize PDR_NB_SUBSCRIPTS.
1384         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1385         PDR_NB_SUBSCRIPTS.
1386         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1387         (PDR_NB_SUBSCRIPTS): New.
1388         (pdr_nb_subscripts): Removed.
1389         (pdr_dim): Simplified.
1390         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1391         with PDR_NB_SUBSCRIPTS.
1392
1393 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-interchange.c (compute_array_size): Remove use of
1396         PDR_DATA_CONTAINER.
1397         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1398         Do not initialize PDR_DATA_CONTAINER.
1399         (print_pdr): Do not print PDR_DATA_CONTAINER.
1400         * graphite-poly.h (struct poly_dr): Remove data_container field.
1401         (PDR_DATA_CONTAINER): Removed.
1402         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1403         PDR_DATA_CONTAINER.
1404         (build_poly_dr): Same.
1405
1406 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1409
1410 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1411             Sebastian Pop  <sebastian.pop@amd.com>
1412
1413         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1414         copy of the dependence polyhedron.  Free the temporary objects.
1415         (graphite_carried_dependence_level_k): Free unused objects before
1416         returning.
1417
1418         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1419         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1420         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1421         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1422         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1423
1424 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1425
1426         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1427         Early return without analyzing the data dependences if no
1428         transform has been done.  Call restore_scattering if the transform
1429         is not legal.
1430         (graphite-interchange.c): Same.
1431         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1432         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1433         (apply_poly_transforms): Do not gcc_assert that
1434         the transform is legal.
1435         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1436         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1437         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1438         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1439         * graphite-poly.h (struct poly_scattering): New.
1440         (struct poly_bb): Add original, transformed, and saved fields.
1441         Remove transformed_scattering, original_scattering, nb_local_variables,
1442         and nb_scattering_transform fields.
1443         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1444         (poly_scattering_new): New.
1445         (poly_scattering_free): New.
1446         (poly_scattering_copy): New.
1447         (store_scattering_pbb): New.
1448         (store_scattering): New.
1449         (restore_scattering_pbb): New.
1450         (restore_scattering): New.
1451         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1452         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1453
1454 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1457         (print_scop): Same.
1458
1459 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * Makefile.in (graphite.o): Depends on PREDICT_H.
1462         * graphite.c: Include predict.h.
1463         (graphite_finalize): Call tree_estimate_probability.
1464         * predict.c (predict_loops): Do not call scev_initialize and
1465         scev_finalize.
1466         (tree_estimate_probability_bb): New.
1467         (tree_estimate_probability): Do not initialize loops: move that
1468         code to the driver.  Call tree_estimate_probability_bb.
1469         (tree_estimate_probability_driver): New.
1470         (pass_profile): Use tree_estimate_probability_driver.
1471         * predict.h (tree_estimate_probability): Declared.
1472
1473 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1476         * graphite-dependences.c (graphite_legal_transform): Add time to
1477         TV_GRAPHITE_DATA_DEPS.
1478         (dependency_between_pbbs_p): Same.
1479         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1480
1481 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * Merge from mainline (r149952:150372).
1484
1485 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1488         * graphite-blocking.c: Same.
1489         * graphite-clast-to-gimple.c: Same.
1490         * graphite-dependences.c: Same.
1491         * graphite-poly.c: Same.
1492         * graphite-poly.h: Same.
1493         * graphite-ppl.c: Same.
1494         * graphite-scop-detection.c: Same.
1495         * graphite-sese-to-poly.c: Same.
1496         * graphite.c: Same.
1497
1498 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1499
1500         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1501         (remove_simple_copy_phi): New.
1502         (remove_invariant_phi): New.
1503         (simple_copy_phi_p): New.
1504         (reduction_phi_p): New.
1505         (gsi_for_ssa_name_def): New.
1506         (insert_out_of_ssa_copy): New.
1507         (insert_out_of_ssa_copy_on_edge): New.
1508         (create_zero_dim_array): New.
1509         (scalar_close_phi_node_p): New.
1510         (rewrite_close_phi_out_of_ssa): New.
1511         (rewrite_phi_out_of_ssa): New.
1512         (rewrite_reductions_out_of_ssa): New.
1513         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1514
1515         * testsuite/gcc.dg/graphite/id-11.c: New.
1516         * testsuite/gcc.dg/graphite/id-15.c: New.
1517         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1518         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1519         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1520         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1521         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1522         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1523         * testsuite/gfortran.dg/graphite/id-13.f: New.
1524         * testsuite/gfortran.dg/graphite/id-5.f: New.
1525
1526 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1527
1528         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1529         check that nb_reductions_in_loop is zero.
1530         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1531         reduction phi nodes.
1532         (nb_reductions_in_loop): Removed.
1533         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1534         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1535         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1536         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1537         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1538
1539 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1542         statements that have an empty iteration domain.
1543         * testsuite/gfortran.dg/graphite/id-16.f: New.
1544
1545 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * tree-scalar-evolution.c (instantiate_scev_1): Return
1548         chrec_dont_know when the result is not above instantiate_below.
1549         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1550         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1551         the tree has a known scalar evolution.
1552         * testsuite/gfortran.dg/graphite/id-14.f: New.
1553         * testsuite/gfortran.dg/graphite/id-15.f: New.
1554
1555 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1556
1557         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1558         insert_gsi.
1559         (rename_variables): Keep inserting renames after the ones already
1560         inserted.
1561
1562 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-sese-to-poly.c (compare_bb_depths): New.
1565         (graphite_sort_dominated_info): New.
1566         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1567         (build_scop_scattering): Fix comment.
1568
1569 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * graphite.c (graphite_finalize): Call print_loops instead of
1572         dump_function_to_file.
1573         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1574         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1575         loops generated in the graphite output file.
1576         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1577         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1578         * testsuite/gfortran.dg/graphite/id-12.f: New.
1579
1580 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1581
1582         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1583         Remove 2 XFAIL.
1584
1585 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1586             Tobias Grosser  <grosser@fim.uni-passau.de>
1587
1588         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1589         alias set number build alias in ACCESSES polyhedron.
1590         (build_alias_set_for_drs): New.
1591         (build_pbb_drs): Added build_alias_set_for_drs.
1592         * graphite-dependences.c (poly_drs_may_alias_p): New.
1593         (graphite_carried_dependence_level_k): Check alias information
1594         before building polyhedron.
1595
1596 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1597
1598         * Makefile.in (lambda-code.o): Fix formatting.
1599
1600 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1601
1602         * Merge from mainline (r149350-149952)
1603
1604 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1605
1606         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1607         before interchange to prepare for loop blocking.
1608
1609 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1610
1611         * graphite-poly.c (apply_poly_transforms): Add checks after every
1612         transformation.
1613         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1614         done in apply_poly_transforms.
1615
1616 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1617
1618         * graphite-dependences.c (build_lexicographically_gt_constraint):
1619         Replace RES parameter with *RES.
1620         (dependence_polyhedron_1): Pass an address of the parameter RES
1621         instead of value of RES.
1622
1623 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite.c (graphite_finalize): Fix comment.
1626         (graphite_transform_loops): Reset scev info after code generation
1627         of each scop.
1628
1629 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite.c (graphite_finalize): Call scev_reset.
1632
1633 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1636         GBB_CLOOG_IV_TYPES hash table twice.
1637         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1638         (add_condition_to_domain): Clear GMP values.
1639
1640 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-dependences.c: Fix formatting.
1643         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1644         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1645         * graphite-sese-to-poly.c: Fix formatting.
1646         * graphite.c (graphite_transform_loops): Create the hash table
1647         after the early return.
1648
1649 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * testsuite/gcc.dg/graphite/id-14.c: New.
1652         * testsuite/gcc.dg/graphite/pr40157.c: New.
1653         * testsuite/gfortran.dg/graphite/id-11.f: New.
1654
1655 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1658         (build_poly_scop): Return false when there are no pbbs within
1659         loops to avoid to pass to cloog scops with no loops.
1660
1661 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1664         useless test "i % 2".
1665         (build_pbb_scattering_polyhedrons): Fix formatting.
1666         (build_poly_dr): Same.
1667         * graphite.c (graphite_transform_loops): Restructure.
1668
1669 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1670
1671         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1672         reduction_list parameter.
1673         (rewrite_all_phi_nodes_with_iv): Same.
1674         (canonicalize_loop_ivs): Same.
1675         * tree-parloops.c (struct brli): Removed.
1676         (build_reduction_list_info): Removed.
1677         (build_new_reduction): New.
1678         (analyze_reduction_list): Removed.
1679         (gather_scalar_reductions): Find reductions instead of phi
1680         nodes that can't be canonicalized.
1681         (try_create_reduction_list): Remove reduction_list parameter.
1682         (gen_parallel_loop): Same.
1683         (parallelize_loops): Remove analyze_reductions variable,
1684         initialization and free.
1685         Change reduction_list htab initialization to reduction_info
1686         elements instead of ssa names.
1687         Call try_create_reduction_list and gen_parallel_loop without
1688         analyzed_reduction argument.
1689         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1690         canonicalize_loop_ivs with one less argument.
1691         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1692
1693 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1694
1695         * graphite-dependences.c (new_poly_dr_pair): New.
1696         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1697         (new_poly_dr_pair): New.
1698         (eq_poly_dr_pair_p): New.
1699         (hash_poly_dr_pair_p): New.
1700         * graphite-dependences.h (struct poly_dr_pair): New.
1701         (eq_poly_dr_pair_p): Declared.
1702         (hash_poly_dr_pair_p): Declared.
1703         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1704         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1705         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1706         * Makefile.in (graphite-poly.o): Add dependence on
1707         graphite-dependences.h.
1708
1709 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1712         polynomials of degree > 1 pass to Graphite.
1713         * tree-chrec.c (scev_is_linear_expression): Call
1714         evolution_function_is_affine_multivariate_p.
1715         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1716
1717 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1718
1719         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1720         Instantiate scevs varying in outer loops.
1721         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1722
1723 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1726         redundant constraint.
1727
1728 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1731         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1732         based on the file names as in the C testsuite.
1733         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1734         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1735         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1736         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1737         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1738         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1739         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1740         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1741         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1742         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1743         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1744         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1745         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1746
1747 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * sese.c (expand_scalar_variables_call): New.
1750         (expand_scalar_variables_ssa_name): Handle calls in expander.
1751
1752 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1755         Expect to see the pattern twice.
1756         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1757         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1758         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1759
1760 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * testsuite/gcc.dg/graphite/id-10.c: New.
1763         * testsuite/gcc.dg/graphite/id-12.c: New.
1764         * testsuite/gfortran.dg/graphite/id-7.f: New.
1765         * testsuite/gfortran.dg/graphite/id-8.f: New.
1766
1767 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1770         zero.
1771
1772 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1775
1776 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1779
1780 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1783         building PDR subscripts.
1784
1785 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1786
1787         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1788         computation of array sizes.
1789
1790 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1791
1792         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1793
1794 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1795
1796         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1797         build_pairwise_constraint, dr_equality_constraints,
1798         build_pairwise_scheduling_equality,
1799         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1800         build_lexicographically_gt_constraint, dependence_polyhedron,
1801         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1802         Move from NNC_Polyhedron to C_Polyhedron.
1803         * graphite-interchange.c (compute_array_size_poly,
1804         gather_access_strides): Dito.
1805         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1806         free_scop, pbb_number_of_iterations): Dito.
1807         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1808         pbb_dim_iter_domain, struct scop): Dito.
1809         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1810         new_Cloog_Domain_from_ppl_Polyhedron,
1811         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1812         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1813         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1814         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1815         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1816         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1817         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1818         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1819         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1820         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1821         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1822         build_scop_iteration_domain, build_poly_dr): Dito
1823
1824 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1827         run-id-*.c files.
1828         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1829
1830 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1831
1832         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1833         positivity constraint on the symbolic number of iterations.
1834
1835 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1838
1839 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1840             Tobias Grosser  <grosser@fim.uni-passau.de>
1841
1842         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1843         (build_cloog_prog): Directly use SCOP_CONTEXT.
1844         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1845         (free_scop): Free SCOP_CONTEXT.
1846         (print_scop_context): New.
1847         (print_scop): Call print_scop_context.
1848         (debug_scop_context): New.
1849         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1850         (struct scop): Added field context.
1851         (SCOP_CONTEXT): New.
1852         * graphite-sese-to-poly.c (add_param_constraints): New.
1853         (build_scop_context): New.
1854         (build_poly_scop): Call build_scop_context.
1855
1856 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1859         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1860         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1861         * graphite-ppl.h: Include double-int.h and tree.h.
1862         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1863         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1864         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1865         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1866
1867 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1868
1869         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1870         POINTER_PLUS_EXPR for pointer types.
1871         (clast_to_gcc_expression): Same.
1872
1873 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * graphite-poly.c (print_scattering_function): Early return when
1876         PBB_TRANSFORMED_SCATTERING is not initialized.
1877         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1878
1879 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1880
1881         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1882         to fix bootstrap.
1883
1884 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1885
1886         * tree-parloops.c (analyze_reduction_list): Change return
1887         value to void.
1888         (try_create_reduction_list): Move the call to
1889         analyze_reduction_list to the beginining.
1890         Call reduction_phi with analyzed_reductions as argument
1891         instead of reduction_list.
1892
1893 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1894
1895         *  Merge from mainline (r148296:149346)
1896
1897 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-scop-detection.c (graphite_can_represent_init): New.
1900         (graphite_can_represent_scev): Call graphite_can_represent_init:
1901         check that the initial value does not contain multiplications of
1902         parameters.
1903         (stmt_has_simple_data_refs_p): New.
1904         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1905         (is_simple_operand): Fix formatting.
1906         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1907
1908 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1909
1910         * testsuite/gcc.dg/graphite/id-13.c: New.
1911         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1912         analyze_scalar_evolution, use scalar_evolution_in_region.
1913         (scan_tree_for_params_right_scev): Add extra assert.
1914         (parameter_index_in_region_1): Split from parameter_index_in_region.
1915         (idx_record_params): Use scalar_evolution_in_region.
1916         (find_params_in_bb): Same.
1917         (find_scop_parameters): Same.
1918         (build_loop_iteration_domains): Same.
1919         (create_linear_expr_from_tree): Same.
1920         * sese.c (scalar_evolution_in_region): New.
1921         * sese.h (scalar_evolution_in_region): Declared.
1922         (defined_in_sese_p): New.
1923         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1924         static anymore.
1925         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1926         Declared.
1927
1928 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1931         TREE_DATA_REF_H also implies SCEV_H.
1932
1933 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1934
1935         * graphite-poly.c (print_scop_params): New.
1936         (print_scop): Call print_scop_params.
1937         (debug_scop_params): New.
1938         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1939
1940 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1941
1942         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1943         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1944         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1945         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1946         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1947         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1948
1949 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1950
1951         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1952         for dependency checking part.
1953         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1954         tests for dependency checking.
1955         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1956         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1957         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1958         flag -fdump-tree-graphite-all for autopar testsuites.
1959
1960 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1963         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1964         canonicalize_loop_ivs): Moved...
1965         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1966
1967 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1968
1969         * tree-parloops.c (try_create_reduction_list): Pass an extra
1970         argument analyzed_reductions.  Call analyze_reduction_list.
1971         (gen_parallel_loop): Do not call analyze_reduction_list.
1972         (parallelize_loops): Init and finalize analyzed_reductions.
1973
1974 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1975
1976         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1977         Added flag -fno-loop-strip-mine for autopar testcase.
1978
1979 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1980
1981         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1982         transformed scattering dimension instead of unmatch orignal when
1983         calling dependence_polyhedron.
1984
1985 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1988
1989 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1990
1991         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1992         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1993
1994 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1995
1996         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1997         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1998         * graphite-poly.c (pbb_number_of_iterations): New.
1999         * graphite-poly.h (pbb_number_of_iterations): Declared.
2000         (pbb_iterator_dim, pbb_parameter_dim): New.
2001
2002 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2005         last commit on type of lower and upper bound of loops.
2006
2007 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2008
2009         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2010         graphite-dependences.h.
2011         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2012         (mark_bb_with_pbb): New.
2013         (get_stmtfor_depth): New.
2014         (find_pbb_via_hash): New.
2015         (dependency_in_loop_p): New.
2016         (mark_loops_parallel): New.
2017         (free_aux_in_new_loops): New.
2018         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2019         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2020         innermost loop parallel without checking.
2021         (gloog): Add parameter BB_PBB_MAPPING.
2022         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2023         (gloog): Change declaration.
2024         (mark_loop_parallel): Make extern.
2025         (free_aux_in_new_loops): Declare.
2026         (bb_pbb_map_hash): New.
2027         (eq_bb_pbb_map): New.
2028         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2029         auto parallelization when flag_graphite_force_parallel is set.
2030         (graphite_finalize): Added free_aux_in_new_loops.
2031         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2032         the innermost loop that marked parallel.  Use
2033         flag_graphite_force_parallel instead of loop->can_be_parallel.
2034         (loop_parallel_p): Move inner most checking out of function.
2035
2036 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2039         type of lower and upper bound of loops signed long int.
2040
2041 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2044         expression outside the loop.
2045
2046 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * gcc.dg/graphite/interchange-8.c: New.
2049
2050 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * gcc.dg/graphite/interchange-0.c: XFailed.
2053         * gcc.dg/graphite/interchange-5.c: XFailed.
2054         * gcc.dg/graphite/interchange-6.c: XFailed.
2055
2056 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2057
2058         * graphite-interchange.c (compute_array_size_poly): The end of the
2059         recursion should return 1.
2060
2061 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * graphite-interchange.c (compute_array_size_cstr): Allow the
2064         subscript multiplier to be -1.
2065         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2066         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2067         data_container.  Initializes PDR_DATA_CONTAINER.
2068         (print_pdr_access_layout): New.
2069         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2070         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2071         data_container.
2072         (PDR_DATA_CONTAINER): New.
2073         (new_poly_dr): Update declaration.
2074         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2075         (build_poly_dr): Call pdr_add_data_dimensions.
2076
2077 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * graphite-poly.h (struct poly_dr): Fix comment.
2080         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2081         (pdr_add_memory_accesses): New.
2082         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2083
2084 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2087         (print_pbb): Add call to print_pdrs.
2088         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2089
2090 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2091             Li Feng <nemokingdom@gmail.com>
2092
2093         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2094         (dependency_between_pbbs_p): New.
2095         (lexicographically_gt_p): Assure !empty_p before polyhedron
2096         intersection assign.
2097         (build_lexicographically_gt_constraint): Correct lexicographically
2098         judging.
2099         * graphite-dependences.h: New.
2100         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2101
2102 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2103
2104         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2105         (gloog): Print to dump_file the generated clast.
2106         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2107         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2108
2109 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * graphite-poly.c (extend_scattering): Increment
2112         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2113
2114 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * graphite-interchange.c (compute_array_size_poly): Added exit of
2117         recursion condition.  Continue iterating even after the first equality.
2118         (compute_array_size): Same.
2119
2120 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2121
2122         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2123         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2124         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2125         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2126         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2127
2128 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2129
2130         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2131         only when the use verifies is_gimple_reg.
2132
2133 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2136         Allocate scaldims after call to unify_scattering_dimensions.
2137
2138 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2141
2142 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2143             Albert Cohen  <albert.cohen@inria.fr>
2144
2145         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2146         variables for the strip mining.
2147
2148 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2149             Pranav Garg  <pranav.garg2107@gmail.com>
2150
2151         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2152         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2153         (graphite-blocking.o): New rule.
2154         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2155         * graphite-blocking.c: New.
2156         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2157         flag_loop_strip_mine.
2158         (psct_scattering_dim_for_loop_depth): New.
2159         * graphite-poly.h (scop_do_strip_mine): Declared.
2160         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2161         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2162         flag_loop_strip_mine.
2163
2164 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2167         a GMP value and a PPL coefficient at each iteration of a loop.
2168
2169 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * graphite-dependences.c (dependence_polyhedron): Do not use
2172         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2173         pbb_nb_scattering_transform.
2174         (graphite_legal_transform_dr): Same.
2175         * graphite-poly.c (extend_scattering): Same.
2176         (unify_scattering_dimensions): Same.
2177         (print_scattering_function): Same.
2178         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2179         PBB_NB_LOCAL_VARIABLES.
2180         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2181         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2182         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2183         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2184         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2185         (pbb_nb_scattering_transform): New.
2186         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2187         (psco_scattering_dim): Add assert on parameters.
2188         (psct_scattering_dim): Same.
2189         (psct_scattering_dim_for_loop_depth): Declared.
2190         (psct_local_var_dim): New.
2191         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2192         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2193         correct layout, call pbb_nb_local_vars.
2194         (psct_add_local_variable, psct_add_scattering_dimension): New.
2195         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2196         Initialize PBB_NB_SCATTERING_TRANSFORM.
2197
2198 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2201         (set_coef): Renamed ppl_set_coef.
2202         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2203
2204 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2207         test a boolean against 1.
2208         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2209         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2210         (pbb_do_interchange): Returns true when a transform has been performed.
2211         (scop_do_interchange): Same.
2212         * graphite-poly.c (apply_poly_transforms): Use the return value of
2213         scop_do_interchange.
2214         * graphite-poly.h (scop_do_interchange): Update declaration.
2215
2216 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2217
2218         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2219         after last use.
2220         * sese.c (sese_reset_aux_in_loops): New.
2221         * sese.h (sese_reset_aux_in_loops): New.
2222
2223 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2224
2225         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2226         multiplier and multiply the constant by the multiplier.
2227         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2228         (build_poly_dr): Do not use the multiplier to define the subscript.
2229
2230 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2233         compiler's data reference.  Initialize PDR_CDR.
2234         (print_pdr): Call dump_data_reference.
2235         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2236         Add compiler_dr field.
2237         (PDR_BB): Renamed PDR_PBB.
2238         (PDR_CDR): New.
2239         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2240         GCC's data reference representation.
2241         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2242         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2243
2244 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-poly.c (print_scattering_function): Also print the layout.
2247         * graphite-poly.h (pbb_nb_local_vars): New.
2248
2249 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2252
2253 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-poly.c (print_pdr, debug_pdr): New.
2256         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2257         (PDR_BASE): Removed.
2258
2259 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2260
2261         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2262         ltrans-{1..6,8}.c.
2263
2264 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2265
2266         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2267         subscript identification column.
2268         (pbb_do_interchange): Print to dump_file that some loops "will be
2269         interchanged".  Rely on that chain of characters in the testcases.
2270         * gcc.dg/graphite/interchange-0.c: New.
2271         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2272         interchange-*.c files and compile them with -floop-interchange.
2273
2274 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2275
2276         * graphite-interchange.c (interchange_profitable_p): Renamed
2277         pbb_interchange_profitable_p.
2278
2279 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2280             Harsha Jagasia  <harsha.jagasia@amd.com>
2281             Pranav Garg  <pranav.garg2107@gmail.com>
2282
2283         * graphite-interchange.c (interchange_profitable_p): Make static.
2284         (pbb_interchange_loop_depths, pbb_do_interchange,
2285         scop_do_interchange): New.
2286         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2287         for flag_loop_interchange.
2288         * graphite-poly.h (scop_do_interchange): Declared.
2289         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2290         flag_loop_interchange is used.
2291
2292 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * graphite-dependences.c (dependence_polyhedron): Update use of
2295         pbb_nb_scattering_dims.
2296         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2297         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2298         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2299         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2300
2301 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         * graphite.c: Cleanup foo.
2304
2305 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         * Merge from mainline (r143684:148293).
2308         * Disabled libpcp until it gets fixed.
2309
2310 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2311             Harsha Jagasia  <harsha.jagasia@amd.com>
2312
2313         * graphite-interchange.c: New.
2314         * Makefile.in (graphite-interchange.o): New.
2315         * graphite-poly.h (interchange_profitable_p): Declared.
2316         * graphite-ppl.h (value_max): New.
2317
2318 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2319
2320         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2321         * graphite-poly.h: Fix some comments.
2322         (pdr_dim): New.
2323         (pdr_scop): New.
2324
2325 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2326
2327         * graphite-poly.h
2328         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2329         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2330         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2331         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2332         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2333         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2334         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2335         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2336         * graphite-clast-to-gimple.c: Same.
2337         * graphite-dependences.c: Same.
2338         * graphite-poly.c: Same.
2339         * graphite-sese-to-poly.c: Same.
2340
2341 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2344         expressions for an IV rename, as returned by clast_to_gcc_expression.
2345         (copy_renames): Rename new_name to expr.
2346         * sese.c (debug_rename_elt): Same.
2347         (get_rename): Same.
2348         (set_rename): Same.
2349         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2350         the information from the rename map.
2351         (rename_variables_in_stmt): Same.
2352         (add_loop_exit_phis): Rename new_name to expr.
2353         (insert_loop_close_phis): Same.
2354         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2355         * sese.h (struct rename_map_elt): Rename new_name to expr.
2356         (new_rename_map_elt): Same.
2357
2358 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2359
2360         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2361         * sese.c (set_rename): Make it extern.
2362         * sese.h (set_rename): Declared.
2363
2364 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * graphite-poly.c (extend_scattering): Free values.
2367         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2368         Free iterators.
2369         (ppl_print_powerset_matrix): Same.
2370         * graphite-scop-detection.c (free_scops_1): New.
2371         (limit_scops): Call free_scops_1.
2372         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2373         (build_poly_dr): Free PPL coefficients.
2374         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2375
2376 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         * graphite-dependences.c: New.
2379         * graphite-data-ref.c: Removed.
2380         * graphite-data-ref.h: Removed.
2381         * Makefile.in (graphite-data-ref.o): Removed.
2382         (graphite-dependences.o): Added.
2383         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2384         * graphite-poly.c: Same.
2385         Move the data dependence testing to graphite-dependences.c.
2386
2387 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2388
2389         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2390         from graphite_cannot_represent_loop. Code refactored.
2391         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2392
2393 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2394
2395         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2396         Cover all the testcases (not only the filtered ones).
2397
2398 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2399
2400         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2401         unnecessary check. Update comments. Move check for REAL_TYPE here.
2402         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2403         done in (stmt_simple_for_scop_p).
2404
2405 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2406
2407         * graphite.c (print_global_statistics): New.
2408         (print_graphite_scop_statistic): New.
2409         (print_graphite_statistics): New.
2410         (graphite_initialize, graphite_transform_loops): Print statistics.
2411         * graphite-scop-detection (build_scops): Print statistics.
2412         (print_graphite_scop_statistics): New.
2413         (print_graphite_statistics): New.
2414
2415 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2418         (debug_clast_name_index): Removed.
2419         (debug_clast_name_indexes_1): Removed.
2420         (debug_clast_name_indexes): Removed.
2421         (clast_name_index_elt_info): Removed.
2422         (eq_clast_name_indexes): Removed.
2423         (clast_name_to_index): Removed.
2424         (new_clast_name_index): Removed.
2425         (save_clast_name_index): Removed.
2426         (save_var_name): Moved...
2427         (init_sese_params_index): Removed.
2428         (clast_name_to_gcc): Remove use of name_tree.
2429         (initialize_cloog_names): Same.
2430         (gloog): Do not call init_sese_params_index.
2431         * graphite-sese-to-poly.c (save_var_name): ...here.
2432         (parameter_index_in_region): New.
2433         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2434         (parameter_index_in_region): Removed.
2435         (is_parameter): Remove use of name_tree.
2436         * sese.h (struct name_tree): Removed.
2437         (struct sese): Remove use of name_tree.  New field params_names.
2438         (SESE_PARAMS_NAMES): New.
2439         (SESE_PARAMS): Remove duplicate.
2440         (parameter_index_in_region): Removed.
2441         (sese_nb_params): Remove use of name_tree.
2442         (struct clast_name_index): New.
2443         (new_clast_name_index): New.
2444         (clast_name_to_index): New.
2445         (save_clast_name_index): New.
2446         (debug_clast_name_index): New.
2447         (debug_clast_name_indexes_1): New.
2448         (debug_clast_name_indexes): New.
2449         (clast_name_index_elt_info): New.
2450         (eq_clast_name_indexes): New.
2451
2452 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2453
2454         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2455         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2456         (graphite_loop_normal_form): Do not pass region.  Do not
2457         initialize SESE_OLDIVS.
2458         (build_graphite_loop_normal_form): Update call to
2459         graphite_loop_normal_form.
2460         * sese.c (debug_oldivs): Removed.
2461         (new_sese): Do not initialize SESE_OLDIVS.
2462         (free_sese): Do not free SESE_OLDIVS.
2463         (oldiv_for_loop): Removed.
2464         * sese.h (struct sese): Remove old_ivs.
2465         (SESE_OLDIVS): Removed.
2466         (oldiv_for_loop): Removed.
2467
2468 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2469
2470         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2471         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2472         replaced by a call to newivs_to_depth_to_newiv.
2473         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2474         (clast_to_gcc_expression_red): Same.
2475         (gcc_type_for_clast_expr): Same.
2476         (gcc_type_for_clast_eq): Same.
2477         (graphite_translate_clast_equation): Same.
2478         (graphite_create_guard_cond_expr): Same.
2479         (graphite_create_new_guard): Same.
2480         (graphite_create_new_loop): Same.
2481         (build_iv_mapping): Same.
2482         (translate_clast): Same.
2483         (gloog): Same.
2484         (loop_iv_stack_patch_for_consts): Removed.  *
2485         sese.c (iv_stack_entry_is_constant): Removed.
2486         (iv_stack_entry_is_iv): Removed.
2487         (loop_iv_stack_push_iv): Removed.
2488         (loop_iv_stack_insert_constant): Removed.
2489         (loop_iv_stack_pop): Removed.
2490         (loop_iv_stack_get_iv): Removed.
2491         (loop_iv_stack_get_iv_from_name): Removed.
2492         (debug_loop_iv_stack): Removed.
2493         (free_loop_iv_stack): Removed.
2494         (loop_iv_stack_remove_constants): Removed.  *
2495         sese.h (iv_stack_entry_kind): Removed.
2496         (iv_stack_entry_data_union): Removed.
2497         (iv_stack_entry_struct): Removed.
2498         (iv_stack_entry_p): Removed.
2499         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2500         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2501         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2502         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2503         (gbb_loop_at_index): Fix indenting.
2504         (gbb_loop_index): Removed.
2505
2506 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2509         Call clast_name_to_index.
2510
2511 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2514         do not pass params.  Get params from SESE_PARAMS.
2515         (clast_to_gcc_expression): Same.
2516         (clast_to_gcc_expression_red): Same.
2517         (gcc_type_for_clast_eq): Same.
2518         (graphite_translate_clast_equation): Same.
2519         (graphite_create_new_loop): Same.
2520         * sese.c (rename_variables_in_stmt): Fix comment.
2521
2522 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2523
2524         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2525         newivs_index.
2526         Call save_clast_name_index.
2527         (translate_clast): Pass newivs_index.
2528         (gloog): Create and free newivs_index.
2529
2530 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2533         (clast_name_index_p): New type.
2534         (debug_clast_name_index): New.
2535         (debug_clast_name_indexes_1): New.
2536         (debug_clast_name_indexes): New.
2537         (clast_name_index_elt_info): New.
2538         (eq_clast_name_indexes): New.
2539         (clast_name_to_index): New.
2540         (new_clast_name_index): New.
2541         (save_clast_name_index): New.
2542         (init_sese_params_index): New.
2543         (gloog): Call init_sese_params_index.
2544         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2545         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2546         (free_sese): Free SESE_PARAMS_INDEX.
2547         * sese.h (struct sese): Add params_index.
2548         (SESE_PARAMS_INDEX): New.
2549
2550 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2553         (graphite_create_new_loop): Pass the newivs vector.  Push the
2554         newly created IV to newivs.
2555         (translate_clast): Pass the newivs vector.
2556         (gloog): Create and destroy the newivs vector.
2557
2558 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2561         (graphite_loop_normal_form): Initialize loop->aux with the unique
2562         IV that has been created.
2563
2564 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2565
2566         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2567         scev with parameters in the base part. They where forbidden
2568         exidently.
2569
2570 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2571
2572         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2573         compile options by file names.
2574         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2575         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2576         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2577         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2578
2579 2009-05-08  Li Feng <nemokingdom@gmail.com>
2580
2581         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2582         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2583         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2584         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2585
2586 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2587
2588         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2589         by final cleanup.
2590
2591 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2592
2593         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2594         allow integer constant strides.
2595         (graphite_can_represent_expr): Depend on outermost_loop.
2596         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2597         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2598         build_scops_1): Same.
2599         (scopdet_basic_block_info): Same and insert layered SCoP
2600         detection.
2601         (try_generate_gimple_bb): Cleanup.
2602         (build_scops): Enable data references.
2603
2604         * testsuite/gcc.dg/graphite/id-5.c: New.
2605         * testsuite/gcc.dg/graphite/id-9.c: New.
2606         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2607         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2608
2609 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2610
2611         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2612         that we have not yet built for this SCoP.
2613
2614 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2615
2616         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2617         for complex numbers.
2618
2619 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2620
2621         * graphite-ppl.c: Fix build if cloog is not available.
2622
2623 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2624
2625         * tree-parloops.c (loop_parallel_p): Remove construction of
2626         NITER and REDUCTION_LIST.
2627         (try_get_loop_niter): New.
2628         (try_create_reduction_list): New.
2629         (parallelize_loops): Bypass the failed checkings in autopar
2630         when can_be_parallel in loop structure is set to true.
2631
2632 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2633
2634         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2635         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2636
2637 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2638
2639         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2640         Enable EQ_EXPR and NE_EXPR again.
2641
2642 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2643
2644         * graphite-scop-detection.c (graphite_can_represent_scev):
2645         Add check if scev is affine multivariate.
2646         (harmful_stmt_in_bb): Check if we can represent the conditions.
2647         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2648         harmful_stmt_in_bb.
2649         * testsuite/gcc.dg/graphite/id-7.c: New.
2650
2651 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2652
2653         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2654         Check all bbs in region, not only the bbs that are represented in
2655         GRAPHITE.
2656         (build_poly_scop): Add newline.
2657         * testsuite/gcc.dg/graphite/id-8.c: New.
2658
2659 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2660
2661         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2662         when loop initialize.
2663         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2664         * common.opt: Declare flag_graphite_force_parallel.
2665         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2666         loop parallel.
2667         * graphite-poly.c (apply_poly_transforms): Introduce
2668         flag_graphite_force_parallel.
2669         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2670         * toplev.c (process_options): ditto and replace a not correctly
2671         encoded space.
2672
2673 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2674
2675         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2676         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2677         to the redefinition.
2678         (compute_cloog_iv_types_1): ditto.
2679         (build_iv_mapping): ditto.
2680         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2681         initialization.
2682         (free_gimple_bb): Removed GBB_LOOPS related free part.
2683         (build_bb_loops): Removed.
2684         * sese.h (struct gimple_bb): Removed loops.
2685         (GBB_LOOPS): Removed.
2686         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2687         (gbb_loop_index): ditto.
2688
2689 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2690
2691         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2692         allow non constant strides.
2693         * testsuite/gcc.dg/graphite/scop-20.c: New.
2694
2695 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2696
2697         * graphite-scop-detection.c (dot_all_scops): Fix system call
2698         return value warning.
2699         (dot_scop): Same.
2700
2701 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2704         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2705
2706 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2709         build_pairwise_constraint, dr_equality_constraints,
2710         build_pairwise_scheduling_equality,
2711         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2712         build_lexicographically_gt_constraint, dependence_polyhedron,
2713         graphite_legal_transform_dr, graphite_legal_transform_bb,
2714         graphite_legal_transform): New.
2715         * graphite-poly.h (graphite_legal_transform): Declared.
2716         * graphite-sese-to-poly.c (build_poly_scop): Call to
2717         graphite_legal_transform is disabled for the moment.
2718
2719 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2720
2721         * graphite-poly.h (pbb_nb_scattering_dims): New.
2722         (pbb_nb_scattering): Use it.
2723
2724 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2725
2726         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2727         Pointset_Powerset version of ppl_insert_dimensions.
2728         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2729
2730 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2733
2734 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2735
2736         * graphite-poly.h: Fix comment.
2737
2738 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2741
2742 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2743
2744         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2745         statements.
2746
2747 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2748
2749         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2750         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2751         conditions.
2752
2753 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2756         handle EQ_EXPR and NE_EXPR.
2757
2758 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2759
2760         * graphite-poly.h (poly_dr): Fix comment.
2761
2762 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2763             Tobias Grosser  <grosser@fim.uni-passau.de>
2764
2765         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2766         with a zero dimension polyhedron.
2767         (find_scop_parameters): Move the call to scop_set_nb_params here.
2768         (build_loop_iteration_domains): Store in loop->aux the iteration
2769         domain polyhedron.
2770         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2771         by any loop in scop.
2772         (build_poly_scop): Do not call scop_set_nb_params.
2773
2774 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2775             Tobias Grosser  <grosser@fim.uni-passau.de>
2776
2777         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2778         add_condition_to_domain not GT_EXPR.
2779
2780 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2783         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2784         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2785         upper_bound_assign to calculate unions.
2786         * testsuite/gcc.dg/graphite/id-6.c: New.
2787
2788 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2789
2790         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2791         handle abnormal edges.
2792
2793 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2794
2795         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2796         (free_poly_bb): Also free poly_drs.
2797         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2798         (poly_dr): Polyhedron to Pointset_Powerset.
2799         (pdr_accessp_nb_subscripts): Same.
2800         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2801         poly_drs.
2802
2803 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2804
2805         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2806         names into more meaningful names.
2807
2808 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2811         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2812
2813 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2816         the reduction_list.
2817         * tree-parloops.c (rewrite_phi_with_iv): New.
2818         (rewrite_all_phi_nodes_with_iv): New.
2819         (canonicalize_loop_ivs): Call them.
2820
2821 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2824         graphite_find_data_references_in_stmt.
2825         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2826         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2827
2828 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2831
2832 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2833
2834         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2835         instead of bb_in_region.
2836         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2837         (build_sese_conditions): Use flag_bb_in_sese.
2838         * sese.c (register_bb_in_sese): Removed.
2839         (new_sese): Remove initialization of SESE_REGION_BBS.
2840         (free_sese): Do not free SESE_REGION_BBS.
2841         * sese.h (struct sese): Remove field region_basic_blocks.
2842         (SESE_REGION_BBS): Removed.
2843         (bb_in_sese_p): Implement in function of bb_in_region.
2844
2845 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2848         loops.
2849
2850 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2851
2852         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2853         and EQ_EXPR.
2854         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2855         (add_condition_to_domain): New.
2856         (add_condition_to_pbb): New.
2857         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2858         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2859
2860 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2861
2862         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2863         ppl_Pointset_Powerset.
2864         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2865         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2866         (pbb_nb_loops): Same.
2867         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2868         add_conditions_to_domain): Same.
2869         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2870         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2871         ppl_const_Polyhedron_t.
2872         (ppl_print_powerset_matrix): New.
2873         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2874         ppl_print_powerset_matrix): New.
2875         (ppl_print_polyhedron_matrix): Updated.
2876
2877 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2878
2879         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2880
2881 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2884         (print_iteration_domains, debug_iteration_domain,
2885         debug_iteration_domains): New.
2886         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2887         debug_iteration_domains): Declared.
2888         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2889         indenting.
2890
2891 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2892             Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * graphite-poly.h (print_iteration_domain): New.
2895         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2896         (build_sese_conditions_1, build_sese_conditions_after,
2897         build_sese_conditions_before): New.
2898         (build_sese_conditions): Rewritten.
2899
2900 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2901             Tobias Grosser  <grosser@fim.uni-passau.de>
2902
2903         Cleanup of code generation liveouts.
2904         * graphite-clast-to-gimple.c (translate_clast): Use a single
2905         rename_map instead of one per translated statement.
2906         Do not use SESE_LIVEOUT_RENAMES.
2907         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2908         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2909         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2910         phi node of a reduction: when a loop contains a reduction used outside
2911         the loop, there should be a scalar close phi node on the exit block.
2912         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2913         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2914         (free_sese): Do not free them.
2915         (sese_build_liveouts_use): Do not use them.
2916         (sese_build_liveouts_bb): Same.
2917         (sese_build_liveouts): Same.
2918         (sese_insert_phis_for_liveouts): Same.
2919         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2920         (defined_in_loop_p): New.
2921         (alive_after_loop): New.
2922         (close_phi_not_yet_inserted_p): New.
2923         (struct alep, alep_p): New.
2924         (add_loop_exit_phis): Remove from the rename_map all the names defined
2925         in the code generated loop.
2926         (insert_loop_close_phis): Traverse the rename_map passed to it.
2927         Don't use SESE_LIVEOUT_RENAMES.
2928         (default_liveout_before_guard): Renamed default_before_guard.
2929         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2930         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2931         (register_sese_liveout_renames): Removed.
2932         (copy_bb_and_scalar_dependences): Do not call it.
2933         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2934         reduction_list.
2935         (SESE_LIVEOUT): Removed.
2936         (SESE_LIVEOUT_RENAMES): Removed.
2937         (SESE_REDUCTION_LIST): Removed.
2938         (sese_build_liveouts): Removed.
2939         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2940         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2941         (insert_guard_phis): Same.
2942         (rename_map_elt): Declare a VEC of them.
2943         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2944         trees not pointers to trees.
2945
2946         Rewrite in canonical close SSA form:
2947         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2948         (limit_scops): Close the scop after the block containing the close phi
2949         nodes.
2950         (canonicalize_loop_closed_ssa): New.
2951         (canonicalize_loop_closed_ssa_form): New.
2952         (build_scops): Call canonicalize_loop_closed_ssa_form.
2953
2954         * graphite-sese-to-poly.c: Fix typos.
2955
2956 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2959         Extended.
2960         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2961         (print_pbb): Add conditions.
2962
2963 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2964             Sebastian Pop  <sebastian.pop@amd.com>
2965
2966         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2967         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2968         (build_scop_bbs_1): New.
2969         (build_scop_bbs): Rewrite.
2970         * sese.h (bb_in_region): New.
2971
2972 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2973
2974         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2975         poly_drs vector.
2976         (print_scop): Style.
2977         * graphite-poly.h (poly_bb): Add drs vector.
2978         (PBB_DRS): Add accessor.
2979         * graphite-sese-to-poly.c (build_poly_dr): New.
2980         (build_pbb_drs, build_scop_drs): New.
2981         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2982
2983 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2984
2985         * tree-ssa-loop.c: Include forgotten toplev.h
2986
2987 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2988
2989         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2990         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2991         * testsuite/gcc.dg/graphite/pr37928.c: Same
2992         * testsuite/gcc.dg/graphite/pr38409.c: Same
2993         * testsuite/gcc.dg/graphite/pr38498.c: Same
2994         * testsuite/gcc.dg/graphite/pr38559.c: Same
2995         * testsuite/gcc.dg/graphite/pr39335.c: Same
2996         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2997         * testsuite/gfortran.dg/graphite/block-2.f: Same
2998         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2999         with -floop-*.
3000
3001 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3002
3003         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3004         build_access_matrix, build_scop_data_accesses): Remove access function
3005         building. (We get a new version soon).
3006         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3007         * sese.h (nb_loops_around_loop_in_sese): Remove.
3008         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3009
3010 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3011             Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * graphite-scop-detection.c (struct scopdet_info): Rename last
3014         field to exit.
3015         (scopdet_basic_block_info, build_scops_1): Don't use
3016         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3017
3018 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3019             Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3022         * sese.c (sese_build_liveouts_use): Renamed from
3023         sese_build_livein_liveouts_use. Remove liveins.
3024         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3025         Call sese_build_liveouts_use.
3026         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3027         Call sese_build_liveouts_bb.
3028         (new_sese, free_sese): Remove liveins.
3029         (sese_add_exit_phis_var): Deleted.
3030         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3031         directly.
3032         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3033
3034         * sese.h (sese): Remove num_ver and livein.
3035         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3036
3037 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3038
3039         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3040
3041 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3042
3043         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3044         (build_scop_scattering): Do not use compare_prefix_loops any more.
3045         (nb_common_loops): New.
3046
3047 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3048
3049         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3050         (register_old_and_new_names): Renamed set_rename.
3051
3052 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3053
3054         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3055         of the decl from the previous commit.
3056
3057 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3058
3059         * graphite-scop-detection.c (dot_scop): New.
3060         * graphite-scop-detection.h (dot_scop): Declared.
3061
3062 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3063
3064         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3065
3066 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3069         condition at the end of the loop.
3070         * graphite.c (graphite_initialize, graphite_finalize): Print to
3071         dump_file the compiled function.
3072         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3073         of create_empty_loop_on_edge.
3074         (translate_clast): Update the code generation of loops for the new
3075         shape of loops.
3076         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3077
3078 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         Reverted the patch from 2009-03-19.
3081
3082 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3083
3084         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3085         poly_drs vector.
3086         (print_scop): Style.
3087         * graphite-poly.h (poly_bb): Add drs vector.
3088         (PBB_DRS): Add accessor.
3089         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3090         (build_access_matrix_with_af, build_access_matrix,
3091         build_scop_data_accesses): Delete.
3092         (build_poly_dr): New.
3093         (build_pbb_drs, build_scop_drs): New.
3094         (build_poly_scop): call build_scop_drs.
3095
3096 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3099         once per basic block.
3100
3101 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3102
3103         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3104         (graphite_can_represent_expr): Renamed from loop_affine_expr
3105         and enhanced.
3106         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3107         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3108         (scopdet_basic_block_info): Actually define entry_block.
3109         (stmt_simple_memref_p): Moved here from ...
3110
3111         * tree-data-ref.c (stmt_simple_memref_p): here.
3112         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3113
3114 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * testsuite/gcc.dg/graphite/id-4.c: New.
3117
3118 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3121         (register_old_and_new_names): Update the content of the map.
3122         When there was already a rename_map_elt in the map at that
3123         location, free it.
3124         (copy_bb_and_scalar_dependences): Do rename_variables after
3125         expand_scalar_variables.
3126         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3127         of the map.  When there was already a rename_map_elt in the
3128         map at that location, free it.
3129         (translate_clast): Pass the rename_map.  Do not initialize and free
3130         a rename_map per stmt_user.
3131         (gloog): Initialize and free one rename_map and pass it to
3132         translate_clast.
3133
3134 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3135
3136         * sese.c (expand_scalar_variables_stmt,
3137         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3138         parameter.
3139         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3140         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3141         the gimple_stmt_iterator of the statement to be expanded.
3142         * graphite-scop-detection.c (is_simple_operand): Do handle
3143         REALPART_EXPR.
3144
3145 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3146
3147         * graphite-scop-detection.c (is_simple_operand): Do not handle
3148         REALPART_EXPR.
3149         * testsuite/gcc.dg/graphite/id-2.c: New.
3150
3151         * graphite-sese-to-poly.c (build_bb_loops,
3152         add_value_to_dim, scan_tree_for_params_right_scev,
3153         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3154         find_params_in_bb, build_loop_iteration_domains,
3155         add_conditions_to_domain): Remove subtract.
3156
3157 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3158
3159         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3160         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3161         pbb_loop_at_index -> gbb_loop_at_index.
3162         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3163         (debug_loop_vec): Delete.
3164         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3165         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3166         (PBB_LOOPS): Removed.
3167         (PBB_BLACK_BOX): Insert cast.
3168         (pbb_set_black_box): New setter.
3169         (pbb_loop_at_index, pbb_loop_index): Removed.
3170         (scop_set_region, scop_set_nb_params): New.
3171         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3172         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3173         (build_poly_scop): Use scop_set_nb_params.
3174         * sese.h (gimple_bb): Add LOOPS.
3175         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3176
3177 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         Revert previous commit.
3180
3181 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3184         (register_old_and_new_names): Update the content of the map.
3185         When there was already a rename_map_elt in the map at that
3186         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 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3198
3199         Remove forgotten line in revert.
3200
3201 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         Revert previous commit.
3204
3205 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         * sese.c (register_old_and_new_names): Update the content
3208         of the map.  When there was already a rename_map_elt in the
3209         map at that location, free it.
3210         (copy_bb_and_scalar_dependences): Do rename_variables after
3211         expand_scalar_variables.
3212         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3213         of the map.  When there was already a rename_map_elt in the
3214         map at that location, free it.
3215         (translate_clast): Pass the rename_map.  Do not initialize and free
3216         a rename_map per stmt_user.
3217         (gloog): Initialize and free one rename_map and pass it to
3218         translate_clast.
3219
3220 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * graphite-clast-to-gimple.c (translate_clast): context_loop
3223         is never NULL.
3224
3225 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3226             Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3229         of the use of ppl_Polyhedron_map_space_dimensions.
3230
3231 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3232             Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3235         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3236         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3237         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3238         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3239         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3240         pbb_nb_params): New.
3241         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3242         nb_loops_around_pbb): Adapt return types.
3243
3244 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3245
3246         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3247         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3248         graphite-scop-detection.o, graphite-poly.o): Add
3249         more headers.
3250
3251 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3252
3253         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3254         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3255         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3256
3257 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3258
3259         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3260         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3261         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3262         * testsuite/gcc.dg/graphite/block-0.c: Same.
3263         * testsuite/gcc.dg/graphite/block-1.c: Same.
3264         * testsuite/gcc.dg/graphite/block-2.c: Same.
3265         * testsuite/gcc.dg/graphite/block-3.c: Same.
3266         * testsuite/gcc.dg/graphite/block-4.c: Same.
3267         * testsuite/gcc.dg/graphite/block-5.c: Same.
3268         * testsuite/gcc.dg/graphite/block-6.c: Same.
3269         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3270         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3271         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3272         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3273         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3274         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3275         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3276         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3277         * opts.c: Remove -floop-block from -O2.
3278         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3279         -floop-strip-mine are used.
3280
3281 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3282             Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3285         dimensions.
3286         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3287         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3288         strip_mine_profitable_p, is_interchange_valid,
3289         graphite_trans_bb_block, graphite_trans_loop_block,
3290         graphite_trans_scop_block): Temporary removed.
3291         (extend_scattering, unify_scattering_dimensions): New.
3292         (print_scattering_function, graphite_read_transforms):
3293         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3294         (graphite_generate_scattering_fns): Removed.
3295         (apply_poly_transforms): Cleanup.
3296         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3297         (schedule_to_scattering): Moved.
3298         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3299         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3300         (pbb_nb_scattering): New.
3301         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3302         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3303         Removed.
3304         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3305         shift_poly.
3306         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3307         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3308         -> PBB_TRANSFORMED_SCATTERING.
3309         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3310         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3311         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3312         (check_poly_representation): Do not return bool.
3313         (graphite_transform_loops): Reformat.
3314         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3315
3316 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3319         debug_pbb_domain, debug_pbb, debug_scop): New.
3320         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3321         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3322
3323 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         PR middle-end/39335
3326         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3327         when the type precision of the induction variable should be
3328         larger than the type precision of nit.
3329         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3330         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3331         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3332
3333         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3334         * testsuite/gcc.dg/graphite/pr39335.c: New.
3335
3336 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3339         SSA_NAMES not struct reduction_info.
3340
3341 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3344
3345 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3346             Tobias Grosser  <grosser@fim.uni-passau.de>
3347
3348         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3349         (free_sese): Free SESE_REDUCTION_LIST.
3350         * sese.h (struct sese): Add field reduction_list.
3351         (SESE_REDUCTION_LIST): New.
3352         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3353         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3354
3355 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3356             Tobias Grosser  <grosser@fim.uni-passau.de>
3357
3358         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3359         of loop_p.
3360
3361 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3362             Tobias Grosser  <grosser@fim.uni-passau.de>
3363
3364         * tree-parloops.c (struct brli, build_reduction_list_info,
3365         analyze_reduction_list, gather_scalar_reductions): New.
3366         (loop_parallel_p): Build a reduction list containing only
3367         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3368         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3369         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3370         * tree-flow.h (gather_scalar_reductions): Declared.
3371
3372 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         PR middle-end/39308
3375         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3376         number_of_iterations_exit from a gcc_assert.
3377
3378 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3379             Jan Sjodin  <jan.sjodin@amd.com>
3380
3381         * output.h (graphite_out_file, graphite_in_file): Declared.
3382         * toplev.c (graphite_out_file, graphite_in_file): New.
3383         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3384         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3385         Don't call schedule_to_scattering.
3386         * common.opt (fgraphite-write, fgraphite-read): New.
3387         * graphite-poly.c: Include output.h.
3388         (print_scattering_function, print_scattering_functions,
3389         debug_scattering_function, debug_scattering_functions,
3390         graphite_write_transforms, graphite_read_transforms,
3391         graphite_generate_scattering_fns): New.
3392         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3393         Call graphite_generate_scattering_fns, graphite_write_transforms,
3394         graphite_read_transforms.
3395         (new_poly_bb): Initialize PBB_SCATTERING.
3396         (free_poly_bb): Free PBB_SCATTERING.
3397         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3398         * graphite-poly.h (struct poly_bb): Add field scattering.
3399         (PBB_SCATTERING): New.
3400         (print_scattering_function, print_scattering_functions,
3401         debug_scattering_function, debug_scattering_functions): Declared.
3402         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3403         GMP values, not integers!
3404         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3405         ppl_read_polyhedron_matrix): New.
3406         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3407         debug_ppl_polyhedron_matrix,
3408         ppl_read_polyhedron_matrix): Declared.
3409         * Makefile.in (graphite-poly.o): Depends on output.h.
3410
3411 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3412             Tobias Grosser  <grosser@fim.uni-passau.de>
3413
3414         Revert this change:
3415         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3416         scalar evolutions in the scop_entry->loop_father.
3417
3418 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3419             Tobias Grosser  <grosser@fim.uni-passau.de>
3420
3421         * graphite.h (ref_nb_loops): Remove declaration.
3422         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3423         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3424         debug_gbb): Moved to sese.h.
3425         * sese.h: As said.
3426
3427 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3428             Tobias Grosser  <grosser@fim.uni-passau.de>
3429
3430         * graphite-data-ref.[ch]: Disable.
3431
3432 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3433             Tobias Grosser  <grosser@fim.uni-passau.de>
3434
3435         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3436         scalar evolutions in the scop_entry->loop_father.
3437
3438 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3441         (graphite_cannot_represent_loop_niter): Renamed
3442         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3443         (limit_scops): build_sese_loop_nests does not return a bool.
3444         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3445         * sese.c (nb_reductions_in_loop): ... from here.
3446         (graphite_loop_normal_form): ... from here.
3447         (sese_record_loop): Does not fail, so does not return a bool.
3448         (build_sese_loop_nests): Same.
3449         * sese.h (build_sese_loop_nests): Update declaration.
3450         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3451         (build_graphite_loop_normal_form): New.
3452         (gloog): Call build_graphite_loop_normal_form.
3453         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3454         build_sese_loop_nests.
3455
3456         * testsuite/gcc.dg/graphite/id-1.c: New.
3457
3458 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3459             Tobias Grosser  <grosser@fim.uni-passau.de>
3460
3461         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3462         The SCoP detection fix is sufficient.
3463
3464 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         PR tree-optimization/39260
3467         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3468         the basic block contains a condition with a real type.
3469         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3470
3471         * gcc.dg/graphite/pr39260.c: New.
3472
3473 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * graphite-poly.c: Inlcude params.h.
3476         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3477         the size of a tile.
3478         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3479         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3480
3481 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3482             Tobias Grosser  <grosser@fim.uni-passau.de>
3483
3484         * graphite-scop-detection.c (dot_all_scops_1,
3485         dot_all_scops): Moved here.
3486         * graphite-scop-detection.h (dot_all_scops): Declared here.
3487         * graphite.c (graphite_initialize, graphite_finalize): New.
3488         (graphite_transform_loops): Cleaned up.
3489         * sese.c (debug_oldivs): Moved here.
3490         * graphite-poly.c (graphite_apply_transformations): Renamed
3491         apply_poly_transforms.
3492         (debug_loop_vec): Moved here.
3493         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3494         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3495         find_scop_parameters, build_scop_iteration_domain,
3496         add_conditions_to_constraints, build_scop_canonical_schedules,
3497         build_scop_data_accesses): Now static.
3498         (build_poly_scop, check_poly_representation): New.
3499
3500 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3501
3502         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3503         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3504         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3505         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3506         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3507         scan_tree_for_params, struct irp_data, dx_record_params,
3508         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3509         build_loop_iteration_domains, add_conditions_to_domain,
3510         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3511         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3512         build_sese_conditions, add_conditions_to_constraints,
3513         build_scop_iteration_domain, build_access_matrix_with_af,
3514         build_access_matrix,
3515         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3516
3517         * graphite-sese-to-poly.c: New.
3518         * graphite-sese-to-poly.h: New.
3519
3520         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3521
3522 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3523
3524         * graphite.c: Split graphite code generation to a new file.
3525         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3526         max_precision_type, clast_to_gcc_expression_red,
3527         clast_to_gcc_expression, gcc_type_for_clast_expr,
3528         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3529         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3530         graphite_create_new_guard, clast_get_body_of_loop,
3531         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3532         graphite_create_new_loop, build_iv_mapping, copy_renames,
3533         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3534         compute_cloog_iv_types, free_scattering, save_var_name,
3535         initialize_cloog_names, build_scop_context, build_cloog_prog,
3536         set_cloog_options, debug_clast_stmt, scop_to_clast,
3537         print_generated_program, debug_generated_program,
3538         gloog): Moved to graphite-clast-to-gimple.c.
3539
3540         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3541
3542         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3543         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3544         loop_iv_stack_pop, loop_iv_stack_get_iv,
3545         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3546         free_loop_iv_stack, loop_iv_stack_remove_constants,
3547         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3548         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3549         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3550         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3551         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3552         get_vdef_before_sese, sese_adjust_vphi,
3553         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3554         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3555         is_iv, expand_scalar_variables_ssa_name,
3556         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3557         expand_scalar_variables, rename_variables, remove_condition,
3558         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3559         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3560         default_liveout_before_guard, add_guard_exit_phis,
3561         insert_guard_phis, register_old_and_new_names,
3562         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3563         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3564         if_region_set_false_region, create_if_region_on_edge,
3565         move_sese_in_condition): Moved to sese.c.
3566
3567         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3568         if_region_exit, if_region_get_condition_block,
3569         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3570         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3571         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3572         ivtype_map_elt, new_ivtype_map_elt,
3573         recompute_all_dominators): Moved to sese.h.
3574
3575         * graphite-clast-to-gimple.c: New.
3576         * graphite-clast-to-gimple.h: New.
3577         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3578         * sese.c: Modified as said above.
3579         * sese.h: Same.
3580
3581 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3582
3583         * graphite.c: Split scop detection to a new file.
3584         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3585         move_sd_regions, loop_affine_expr, exclude_component_ref,
3586         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3587         graphite_cannot_represent_loop_niter, struct scopdet_info,
3588         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3589         find_single_entry_edge, find_single_exit_edge,
3590         create_single_entry_edge, sd_region_without_exit,
3591         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3592         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3593         Moved to graphite-scop-detection.c.
3594
3595         * graphite-scop-detection.c: New.
3596         * graphite-scop-detection.h: New.
3597         * Makefile.in: Add new rule for graphite-scop-detection.o.
3598
3599         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3600         tree-scalar-evolution.h.
3601         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3602         build_sese_loop_nests): Moved here from graphite.c.
3603         (param_index): Renamed parameter_index_in_region.
3604
3605 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3606             Sebastian Pop  <sebastian.pop@amd.com>
3607
3608         * gcc.dg/graphite/block-0.c: Expected to fail now.
3609         * gcc.dg/graphite/block-1.c: Same.
3610         * gcc.dg/graphite/block-5.c: Same.
3611         * gcc.dg/graphite/block-6.c: Same.
3612
3613 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3614             Sebastian Pop  <sebastian.pop@amd.com>
3615
3616         * graphite.h: Separate from graphite_bb_p the polyhedral
3617         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3618         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3619         graphite-data-ref.h.
3620         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3621         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3622         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3623         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3624         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3625         scop_nb_params): Moved to graphite-poly.h.
3626         * graphite-data-ref.c: Same.
3627         * graphite-data-ref.h: New.
3628         * graphite.c: Same.
3629         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3630         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3631         is_interchange_valid, graphite_trans_bb_block,
3632         graphite_trans_loop_block, scop_max_loop_depth,
3633         graphite_trans_scop_block, graphite_apply_transformations,
3634         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3635         graphite-poly.c.
3636         * graphite-poly.h: New.
3637         * graphite-poly.c: New.
3638         * Makefile.in (OBJS-common): Add graphite-poly.o.
3639         (graphite-poly.o): New rule.
3640         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3641         (DR_SCOP): Removed.
3642
3643 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3644             Tobias Grosser  <grosser@fim.uni-passau.de>
3645
3646         * graphite.c: Replace gb -> gbb.
3647         * graphite.h: Same.
3648         * graphite-data-ref.c: Same.
3649
3650 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3651             Tobias Grosser  <grosser@fim.uni-passau.de>
3652
3653         * Makefile.in (OBJS-commmon): Add sese.o.
3654         (sese.o): New.
3655         (graphite.o): Add sese.h.
3656         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3657         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3658         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3659         Move to sese.
3660         (block_before_scop): Add missing return.
3661         (new_scop, free_scop): Remove SESE data structures.
3662         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3663         find_scop_parameters, build_loop_iteration_domains,
3664         add_conditions_to_domain, register_scop_liveout_renames,
3665         copy_bb_and_scalar_dependences): Scop -> SESE.
3666
3667         (add_conditions_to_domain): SCoP -> SESE and remove check
3668         (scop_contains_non_iv_scalar_phi_nodes): New.
3669         (build_scop_conditions_1, build_scop_conditions): Remove check for
3670         non iv scalar phi nodes.
3671         (print_scop_statistics): New.
3672         (graphite_transform_loops): Cleanup.
3673
3674         * graphite.h: Move to sese & cleanup.
3675         * sese.c: New.
3676         * sese.h: New.
3677
3678 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3679             Tobias Grosser  <grosser@fim.uni-passau.de>
3680
3681         * graphite.c (build_scop_conditions_1): Conditions are only
3682         at the end of a basic block.
3683
3684 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3685             Tobias Grosser  <grosser@fim.uni-passau>
3686
3687         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3688         field.
3689         (GBB_ALPHA): Removed.
3690
3691 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3692             Tobias Grosser  <grosser@fim.uni-passau.de>
3693
3694         * graphite-data-ref.c (graphite_test_dependence): Don't use
3695         GBB_DYNAMIC_SCHEDULE.
3696         * graphite.c (new_graphite_bb): Same.
3697         (free_graphite_bb): Same.
3698         (build_scop_dynamic_schedules): Removed.
3699         (graphite_transform_loops): Don't call it.
3700         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3701         (GBB_DYNAMIC_SCHEDULE): Removed.
3702
3703 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3704             Tobias Grosser  <grosser@fim.uni-passau.de>
3705
3706         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3707         (print_graphite_bb): Same.
3708         (build_cloog_prog): Same.
3709
3710 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3711             Tobias Grosser  <grosser@fim.uni-passau.de>
3712
3713         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3714
3715 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3716             Tobias Grosser  <grosser@fim.uni-passau.de>
3717
3718         * graphite.c (build_scop_context): Don't use CloogMatrix.
3719         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3720         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3721
3722 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3723             Tobias Grosser  <grosser@fim.uni-passau.de>
3724
3725         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3726         liveout_renames, add_params fields...
3727         (struct sese): ... here.
3728         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3729         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3730
3731 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3732             Tobias Grosser  <grosser@fim.uni-passau.de>
3733
3734         * graphite.c (print_scop): Do not print the CLooG program.
3735         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3736         build_cloog_prog, gloog): Don't use SCOP_PROG.
3737         (find_transform): Renamed scop_to_clast.
3738         (print_generated_program, debug_generated_program): New.
3739         (graphite_transform_loops): Adapt to new interface.
3740         * graphite.h (struct scop): Remove program field.
3741         (SCOP_PROG): Removed.
3742         (print_generated_program, debug_generated_program): Declared.
3743
3744 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3747         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3748         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3749         free_graphite_bb, build_scop_canonical_schedules,
3750         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3751         schedules are now represented using a ppl_Linear_Expression_t.
3752         * graphite.h (struct graphite_bb): Same.
3753         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3754         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3755
3756 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * graphite.c: Free local memory.
3759         * graphite-ppl.c: Same.
3760
3761 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3764         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3765         swap_constraint_variables, scale_constraint_variable): Removed.
3766         (graphite_trans_bb_strip_mine): Remove pong.
3767         * graphite-ppl.c: Include missing header files.
3768         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3769         * graphite-ppl.h (ppl_strip_loop): Declared.
3770         * Makefile.in (graphite-ppl.o): Adjust dependences.
3771
3772 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3775         (build_scop_iteration_domain): Same.
3776
3777 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3780         ping pong.
3781         (add_value_to_dim, scan_tree_for_params_right_scev,
3782         scan_tree_for_params_int): New.
3783         * graphite-ppl.c (oppose_constraint): New.
3784         (insert_constraint_into_matrix): Implement missing cases.
3785         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3786
3787 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3788
3789         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3790         use ppl_move_dimension.
3791
3792 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3793
3794         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3795         * graphite.c: Same.
3796         * graphite.h: Same.
3797         * graphite-ppl.c: Same.
3798         * graphite-ppl.h: Same.
3799
3800 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         Revert last 3 commits.
3803
3804 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3805
3806         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3807         ping pong.
3808         (add_value_to_dim, scan_tree_for_params_right_scev,
3809         scan_tree_for_params_int): New.
3810         * graphite-ppl.c (oppose_constraint): New.
3811         (insert_constraint_into_matrix): Implement missing cases.
3812         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3813
3814 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3817
3818 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3819             Tobias Grosser  <grosser@fim.uni-passau.de>
3820
3821         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3822         use ppl_move_dimension.
3823         * graphite-ppl.c (ppl_move_dimension): New.
3824         * graphite-ppl.h (ppl_move_dimension): Declared.
3825
3826 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite.c: Do not include cloog/cloog.h.
3829         (print_graphite_bb): Remove ping pong, call PPL print function.
3830
3831 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3832
3833         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3834         (graphite.o): Add dependence on graphite-ppl.h.
3835         (graphite-ppl.o): New.
3836         (graphite-data-ref.c): Ping pong between PPL data structures
3837         and matrices.
3838         * graphite-ppl.c: New.
3839         * graphite-ppl.h: New.
3840         * graphite.c: Include graphite-ppl.h.
3841         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3842         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3843         Ping pong between PPL data structures and matrices.
3844         (new_graphite_bb): Create a PPL constraint system.
3845         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3846         (build_loop_iteration_domains): Use PPL functions.
3847         * graphite.h: Include graphite-ppl.h.  Fix comments.
3848         (graphite_bb): Use a ppl_Constraint_System_t instead of
3849         CloogMatrix for representing the domain.
3850         (scop): Remove static_schedule.
3851         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3852
3853 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * graphite.c: Fix some comments.
3856
3857 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         PR middle-end/38953
3860         * graphite.c (if_region_set_false_region): After moving a region
3861         in the false branch of a condition, remove the empty dummy
3862         basic block.
3863         (gloog): Remove wrong fix for PR38953.
3864
3865 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3866
3867         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3868         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3869         register_bb_in_sese, new_sese, free_sese): Moved.
3870         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3871         outermost_loop_in_scop, build_scop_iteration_domain,
3872         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3873         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3874         Use loop_in_sese_p instead of loop_in_scop_p.
3875         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3876         (free_scop): Do not free SCOP_BBS_B.
3877         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3878         ref_nb_loops): Moved here...
3879         * graphite.h (ref_nb_loops): ... from here.
3880         (struct scop): Remove bbs_b bitmap.
3881         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3882         * testsuite/gcc.dg/graphite/scop-19.c: New
3883
3884 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3885
3886         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3887         detection.
3888
3889 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3890
3891         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3892         eq_loop_to_cloog_loop): Remove.
3893         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3894         * graphite.h (struct scop): Remove loop2cloog_loop.
3895         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3896
3897 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3898
3899         * opts.c (decode_options): Only add graphite options to O2
3900         if we compile with graphite enabled.
3901
3902 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3903
3904         * Merge from mainline (r143163:143684).
3905
3906 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3907
3908         * graphite.c (debug_value): Removed.
3909         * graphite.h (debug_value): Removed.
3910
3911 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3912
3913         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3914         after graphite: pass_copy_prop does not maintain a proper loop closed
3915         SSA form.  pass_copy_prop should be fixed.
3916
3917 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3918
3919         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3920
3921 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3924         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3925         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3926         changed the CFG.
3927
3928 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3929
3930         * graphite.c (gloog): Return true when code gen succeeded.
3931         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3932         the code of the function did not changed.  After cleanup_tree_cfg
3933         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3934         form.
3935
3936 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3937
3938         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3939         gimple_call_lhs is NULL.
3940
3941 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3942             Tobias Grosser  <tobi.grosser@amd.com>
3943
3944         * graphite.c (graphite_trans_scop_block): Do not block single
3945         nested loops.
3946
3947 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3948             Tobias Grosser  <tobi.grosser@amd.com>
3949
3950         * graphite.c (build_scop_canonical_schedules): Start schedules at
3951         zero.
3952
3953 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3954             Tobias Grosser  <tobi.grosser@amd.com>
3955
3956         * graphite.c (compare_prefix_loops): New.
3957         (build_scop_canonical_schedules): Rewritten.
3958         (graphite_transform_loops): Move build_scop_canonical_schedules
3959         after build_scop_iteration_domain.
3960
3961 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3962             Tobias Grosser  <tobi.grosser@amd.com>
3963
3964         * graphite.c (add_conditions_to_domain): Add the loops to
3965         the dimension of the iteration domain.  Do copy the domain
3966         only when it exists.
3967         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3968         (add_conditions_to_constraints): New.
3969         (can_generate_code_stmt, can_generate_code): Removed.
3970         (gloog): Do not call can_generate_code.
3971         (graphite_transform_loops): Call add_conditions_to_constraints
3972         after building the iteration domain.
3973
3974 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3975             Tobias Grosser  <tobi.grosser@amd.com>
3976             Jan Sjodin  <jan.sjodin@amd.com>
3977
3978         * graphite.c (scan_tree_for_params): On substractions negate
3979         all the coefficients of the term.
3980         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3981         of more than two operands.
3982         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3983         (get_vdef_before_scop): Handle also the case of default definitions.
3984
3985 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3986
3987         PR middle-end/38431
3988         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3989         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3990         (gloog): Do not call cleanup_tree_cfg.
3991         (graphite_transform_loops): Call cleanup_tree_cfg after all
3992         scops have been code generated.
3993
3994 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3995
3996         * passes.c (init_optimization_passes): Schedule after
3997         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3998
3999 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4000
4001         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4002         Fix comment.
4003         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4004         Set the type of an expression to the type of its assign statement.
4005         (expand_scalar_variables_expr):  Do not pass loop_p.
4006         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4007         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4008         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4009
4010 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4011
4012         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4013         an expression to the gimple_expr_type of its assign statement.
4014         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4015         or tcc_declaration.
4016
4017 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4018
4019         PR tree-optimization/38786
4020         * testsuite/gcc.dg/graphite/pr38786.c: New.
4021         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4022         the SSA_NAME case of expand_scalar_variables_expr.
4023         (expand_scalar_variables_expr): Also gather the scalar computation
4024         used to index the memory access.
4025         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4026         the gimple_stmt_iterator where it inserts new code.
4027
4028 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4029
4030         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4031
4032 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4033
4034         * opts.c (decode_options): Enable flag_graphite_identity and
4035         flag_loop_block in -O2 and above.
4036
4037 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4038
4039         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4040         Fix merge problem: replace with the file from trunk.
4041
4042 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4043
4044         * Merge from mainline (r141727:143163).
4045
4046 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4047             Jan Sjodin  <jan.sjodin@amd.com>
4048
4049         PR tree-optimization/38559
4050         * testsuite/gcc.dg/graphite/pr38559.c: New.
4051
4052         * graphite.c (debug_value, copy_constraint,
4053         swap_constraint_variables, scale_constraint_variable, ): New.
4054         (get_lower_bound, get_upper_bound): Removed.
4055         (graphite_trans_bb_strip_mine): Clean up this code that works
4056         only for constant number of iterations.  Fully copy upper and
4057         lower bound constraints, not only the constant part of them.
4058         * graphite.h (debug_value): Declared.
4059
4060 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4061
4062         PR tree-optimization/38492
4063         PR tree-optimization/38498
4064         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4065         * tree-chrec.h (scev_is_linear_expression): Declared.
4066         * graphite.c (graphite_cannot_represent_loop_niter): New.
4067         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4068         (graphite_loop_normal_form): Use gcc_assert.
4069         (scan_tree_for_params): Use CASE_CONVERT.
4070         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4071         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4072         Use gcc_assert.  Discard scops that contain unhandled cases.
4073         (build_scop_conditions): Return a boolean status for unhandled cases.
4074         (strip_mine_profitable_p): Print the loop number, not its depth.
4075         (is_interchange_valid): Pass the depth of the loop nest, don't
4076         recompute it wrongly.
4077         (graphite_trans_bb_block): Same.
4078         (graphite_trans_bb_block): Print tentative of loop blocking.
4079         (graphite_trans_scop_block): Do not print that the loop has been
4080         blocked.
4081         (graphite_transform_loops): Do not handle scops that contain condition
4082         scalar phi nodes.
4083
4084         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4085         in trunk.
4086         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4087         * testsuite/gcc.dg/graphite/block-1.c: Same.
4088         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4089         blocking.
4090         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4091         * testsuite/gcc.dg/graphite/block-3.c: New.
4092         * testsuite/gcc.dg/graphite/pr38498.c: New.
4093
4094 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4095
4096         PR tree-optimization/38510
4097         * gcc.dg/graphite/pr38510.c: New.
4098         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4099           (translate_clast): Call recompute_all_dominators before
4100           graphite_verify.
4101           (gloog): Call recompute_all_dominators before graphite_verify.
4102
4103 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         PR tree-optimization/38492
4106         * graphite.c (rename_map_elt, debug_rename_elt,
4107         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4108         rename_map_elt_info, eq_rename_map_elts,
4109         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4110         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4111         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4112         (sese_build_livein_liveouts): New.
4113         (new_sese, free_sese): New.
4114         (new_scop): Call new_sese.
4115         (free_scop): Call free_sese.
4116         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4117         (register_old_new_names): Renamed register_old_and_new_names.
4118         (register_scop_liveout_renames, add_loop_exit_phis,
4119         insert_loop_close_phis, struct igp,
4120         default_liveout_before_guard, add_guard_exit_phis,
4121         insert_guard_phis, copy_renames): New.
4122         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4123         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4124         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4125         (scop_adjust_phis_for_liveouts): New.
4126         (gloog): Call scop_adjust_phis_for_liveouts.
4127
4128         * graphite.h (struct sese): Documented.  Added fields liveout,
4129         num_ver and livein.
4130         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4131         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4132         (struct scop): Added field liveout_renames.
4133         (SCOP_LIVEOUT_RENAMES): New.
4134
4135 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4136
4137         PR tree-optimization/38409
4138         * gcc.dg/graphite/pr38409.c: New.
4139         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4140
4141 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4142
4143         * graphite.c (gcc_type_for_cloog_iv): By default return
4144         integer_type_node.
4145         (graphite_create_new_loop): Don't fold_convert the already
4146         fold_convert-ed expression.
4147
4148 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4149
4150         PR tree-optimization/38446
4151         * gcc.dg/graphite/pr38446.c: New.
4152         * graphite.c (register_bb_in_sese): New.
4153         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4154         looking at the bbs in the region.
4155         * graphite.h (sese): Add region_basic_blocks pointer set to
4156         structure and initialize at the time of defining new scop.
4157
4158 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4159
4160         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4161         (find_params_in_bb): Do not free data refs.
4162         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4163
4164 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4165
4166         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4167         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4168         * testsuite/gcc.dg/graphite/block-5.c: New.
4169         * testsuite/gcc.dg/graphite/block-6.c: New.
4170         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4171         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4172         * testsuite/gcc.dg/graphite/block-2.c: Same.
4173
4174         * graphite.c (struct ivtype_map_elt): New.
4175         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4176         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4177         gcc_type_for_cloog_iv): New.
4178         (loop_iv_stack_patch_for_consts): Use the type of the induction
4179         variable from the original loop, except for the automatically
4180         generated loops, i.e., in the case of a strip-mined loop, in
4181         which case there is no original loop: in that case just use
4182         integer_type_node.
4183         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4184         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4185         (clast_name_to_gcc): Accept params to be NULL.
4186         (clast_to_gcc_expression): Take an extra parameter for the type.
4187         Convert to that type all the expressions built by this function.
4188         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4189         (graphite_translate_clast_equation): Compute the type of the
4190         clast_equation before translating its LHS and RHS.
4191         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4192         (graphite_create_new_loop): Compute the type of the induction
4193         variable before translating the lower and upper bounds and before
4194         creating the induction variable.
4195         (rename_variables_from_edge, rename_phis_end_scop): New.
4196         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4197         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4198         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4199         compute_cloog_iv_types): New.
4200         (gloog): Call compute_cloog_iv_types before starting the
4201         translation of the clast.
4202
4203         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4204         (GBB_CLOOG_IV_TYPES): New.
4205         (debug_ivtype_map): Declared.
4206         (oldiv_for_loop): New.
4207
4208 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4209
4210         PR middle-end/38459
4211         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4212         (param_index): Assert if parameter is not know after parameter
4213         detection.
4214         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4215         (find_scop_parameters): Mark, that we have finished parameter
4216         detection.
4217         (graphite_transform_loops): Move condition detection before parameter
4218         detection.
4219         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4220         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4221
4222 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4223
4224         * graphite.c (graphite_transform_loops): Always call find_transform ()
4225         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4226         generate code.
4227
4228 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4229
4230         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4231         (print_scop): Ditto.
4232
4233 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4234
4235         PR middle-end/38084
4236         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4237         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4238         regions more than once.
4239
4240 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4241
4242         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4243         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4244         when not needed.
4245
4246 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4247
4248         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4249         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4250         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4251         (max_precision_type): New.
4252         (value_clast): Removed.
4253         (clast_to_gcc_expression): Be more careful to types of expressions.
4254         Use max_precision_type and update use of gmp_cst_to_tree.
4255         (graphite_translate_clast_equation): Use max_precision_type.
4256         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4257         use the type of the condition.
4258         (graphite_create_new_loop): Do not use integer_type_node, use the
4259         max_precision_type of lb and ub.
4260
4261 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4262
4263         * graphite.c (build_scops_1): Initialize open_scop.exit
4264         and sinfo.last.
4265
4266 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4267
4268         * testsuite/gcc.dg/graphite/pr38084.c: New.
4269         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4270         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4271         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4272         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4273         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4274
4275 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4276             Jan Sjodin  <jan.sjodin@amd.com>
4277             Harsha Jagasia  <harsha.jagasia@amd.com>
4278
4279         PR middle-end/37852
4280         PR middle-end/37883
4281         PR middle-end/37928
4282         PR middle-end/37980
4283         PR middle-end/38038
4284         PR middle-end/38039
4285         PR middle-end/38073
4286         PR middle-end/38083
4287         PR middle-end/38125
4288
4289         * testsuite/gcc.dg/graphite/pr38073.c: New.
4290         * testsuite/gcc.dg/graphite/pr37928.c: New.
4291         * testsuite/gcc.dg/graphite/pr37883.c: New.
4292         * testsuite/gcc.dg/graphite/pr38125.c: New.
4293         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4294         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4295         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4296
4297         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4298         the number of detected scops.  Copy exact same test for loop
4299         blocking...
4300         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4301         loops to be blocked as reductions are not handled.
4302         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4303
4304         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4305         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4306         ...here.
4307         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4308         * Makefile.in (graphite.o): Depend on value-prof.h.
4309         (graphite.o-warn): Removed -Wno-error.
4310         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4311         to be a NULL pointer.  Call update_stmt.  Return the newly created
4312         cannonical induction variable.
4313
4314         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4315
4316         * graphite.c: Reimplement the code generation from graphite to gimple.
4317         Include value-prof.h.
4318         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4319         (get_old_iv_from_ssa_name): Removed.
4320         (graphite_stmt_p): New.
4321         (new_graphite_bb): Test for useful statements before building a
4322         graphite statement for the basic block.
4323         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4324         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4325         reason.
4326         (recompute_all_dominators, graphite_verify,
4327         nb_reductions_in_loop, graphite_loop_normal_form): New.
4328         (scop_record_loop): Call graphite_loop_normal_form.
4329         (build_scop_loop_nests): Iterate over all the blocks of the
4330         function instead of relying on the incomplete information from
4331         SCOP_BBS.  Return the success of the operation.
4332         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4333         (add_bb_domains): Removed.
4334         (build_loop_iteration_domains): Don't call add_bb_domains.
4335         Add the iteration domain only to the basic blocks that have been
4336         translated to graphite.
4337         (build_scop_conditions_1): Add constraints only if the basic
4338         block have been translated to graphite.
4339         (build_scop_data_accesses): Completely disabled until data
4340         dependence is correctly implemented.
4341         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4342         (remove_all_edges_1, remove_all_edges): Removed.
4343         (get_new_name_from_old_name): New.
4344         (graphite_rename_variables_in_stmt): Renamed
4345         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4346         Use replace_exp and update_stmt.
4347         (is_old_iv): Renamed is_iv.
4348         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4349         Use replace_exp and update_stmt.
4350         (expand_scalar_variables_expr): Same.  Use the map to get the
4351         new names for the renaming of induction variables and for the
4352         renaming of variables after a basic block has been copied.
4353         (expand_scalar_variables): Same.
4354         (graphite_rename_variables): Renamed rename_variables.
4355         (move_phi_nodes): Removed.
4356         (get_false_edge_from_guard_bb): New.
4357         (build_iv_mapping): Do not insert the induction variable of a
4358         loop in the renaming iv map if the basic block does not belong
4359         to that loop.
4360         (register_old_new_names, graphite_copy_stmts_from_block,
4361         copy_bb_and_scalar_dependences): New.
4362         (translate_clast): Heavily reimplemented: copy basic blocks,
4363         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4364         At each translation step call graphite_verify ensuring the
4365         consistency of the SSA, loops and dominators information.
4366         (collect_virtual_phis, find_vdef_for_var_in_bb,
4367         find_vdef_for_var_1, find_vdef_for_var,
4368         patch_phis_for_virtual_defs): Removed huge hack.
4369         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4370         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4371         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4372         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4373         if_region_get_condition_block, if_region_set_false_region,
4374         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4375         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4376         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4377         rewrite_into_sese_closed_ssa): New.
4378         (gloog): Remove dead code.  Early return if code cannot be
4379         generated.  Call cleanup_tree_cfg once the scop has been code
4380         generated.
4381         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4382         block loops with less than two loops.
4383         (graphite_apply_transformations): Remove the call to
4384         scop_remove_ignoreable_gbbs.
4385         (limit_scops): When build_scop_loop_nests fails, continue on
4386         the next scop.  Fix open_scop.entry.
4387         (graphite_transform_loops): Call recompute_all_dominators: force the
4388         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4389         Call initialize_original_copy_tables and free_original_copy_tables
4390         to be able to copy basic blocks during code generation.
4391         When build_scop_loop_nests fails, continue on next scop.
4392         (value_clast): New union.
4393         (clast_to_gcc_expression): Fix type cast warning.
4394
4395 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4396
4397         * Merge from mainline (r140838:141727).
4398
4399 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4400
4401         PR middle-end/37833
4402
4403         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4404
4405 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4406
4407         PR middle-end/37943
4408
4409         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4410         exits and conditions.
4411         * testsuite/gcc.dg/graphite/pr37943.c: New.
4412
4413 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4414
4415         PR middle-end/37886
4416         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4417
4418 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4419
4420         * doc/invoke.texi: Fix spaces.
4421
4422 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4423
4424         PR tree-optimization/37891
4425         Reverted last commit.
4426         * graphite.c (create_single_entry_edge): Set
4427         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4428
4429 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4430             Mitul Thakkar  <mitul.thakkar@amd.com>
4431
4432         * graphite.c (create_single_entry_edge): Set
4433         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4434
4435 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4436
4437         * doc/invoke.texi: Add -fgraphite-identity.
4438         * graphite.c (graphite_apply_transformations): Check for
4439         -fgraphite-identity.
4440         * toplev.c (process_options): Add flag_graphite_identity.
4441         * tree-ssa-loop.c: Add flag_graphite_identity.
4442
4443 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4444
4445         Undo changes from 2008-10-02:
4446         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4447         operand type when copying the operand to a variable of different type.
4448         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4449         with the IV name after increment.
4450
4451 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4452             Harsha Jagasia  <harsha.jagasia@amd.com>
4453
4454         PR tree-optimization/37828
4455         * testsuite/gcc.dg/graphite/pr37828.c: New.
4456         * graphite.c (graphite_trans_loop_block): Do not loop block
4457         single nested loops.
4458
4459 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4460             Sebastian Pop  <sebastian.pop@amd.com>
4461
4462         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4463         rename_map_elt_info, eq_rename_map_elts): New.
4464         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4465         (expand_scalar_variables_expr): Change parameters.
4466         (expand_scalar_variables_stmt): Same.
4467         (expand_scalar_variables): Same.
4468         (graphite_rename_ivs): Rename graphite_rename_variables.
4469         (build_iv_mapping): New.
4470         (translate_clast): Call build_iv_mapping.
4471         * graphite.h (gbb_p): New name.
4472
4473 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4474
4475         PR tree-optimization/37684
4476         * gcc.dg/graphite/pr37684.c: New.
4477         * graphite.c (exclude_component_ref): New.
4478         (is_simple_operand): Call exclude_component_ref.
4479
4480 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4481             Harsha Jagasia  <harsha.jagasia@amd.com>
4482
4483         PR tree-optimization/37485
4484         * gcc.dg/graphite/block-2.c: New
4485         * graphite.c (gmp_cst_to_tree): Moved.
4486         (iv_stack_entry_is_constant): New.
4487         (iv_stack_entry_is_iv): New.
4488         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4489         (loop_iv_stack_insert_constant): New.
4490         (loop_iv_stack_pop): Use new datatpype.
4491         (loop_iv_stack_get_iv): Same.
4492         (loop_iv_stack_get_iv_from_name): Same.
4493         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4494         (loop_iv_stack_patch_for_consts): New.
4495         (loop_iv_stack_remove_constants): New.
4496         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4497         (translate_clast): Call loop_iv_stack_patch_for_consts and
4498         loop_iv_stack_remove_constants.
4499         (gloog): Use new datatype.  Redirect construction edge to end
4500         block to avoid accidental deletion.
4501         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4502         iv stack entry.
4503         (union iv_stack_entry_data): New.  Data in iv stack entry.
4504         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4505
4506 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4507
4508         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4509         operand type when copying the operand to a variable of different type.
4510
4511 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4512
4513         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4514         with the IV name after increment.
4515
4516 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4517
4518         * Merge from mainline (r140164:140838).
4519
4520 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4521
4522         * graphite-data-ref.c: New.
4523         * graphite.c (print_scop): Also dump the dependence graph.
4524         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4525         (new_scop): Initialize SCOP_DEP_GRAPH.
4526         (build_scop_dynamic_schedules): New.
4527         (build_access_matrix_with_af): Fixed column numbering.
4528         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4529         * graphite.h: Add ifndef/define guards against multiple inclusion.
4530         (struct scop): Add dep_graph field.
4531         (SCOP_DEP_GRAPH): Defined.
4532         (ref_nb_loops): Fixed and moved to other position.
4533         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4534         (nb_loops_around_loop_in_scop): New.
4535         (graphite_dump_dependence_graph): Declared.
4536         (graphite_build_rdg_all_levels): Declared.
4537         (graphite_test_dependence): Declared.
4538         * Makefile.in (graphite-data-ref.o): New target.
4539
4540 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         * Merge from mainline (139870:140164).
4543
4544 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4545
4546         * Merge from mainline (138275:139870).
4547         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4548         the commits from trunk broke the niter detection.
4549
4550 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4551
4552         * graphite.c: Add more documentation.  Fix formatting.
4553         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4554         loop_iv_stack_debug): Moved...
4555         (schedule_to_scattering): Move before use.
4556         (dot_all_scops): Include in "#if 0" the code for system
4557         call dotty.
4558
4559         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4560         loop_iv_stack_debug): ...here.
4561
4562 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4563
4564         * tree-phinodes.c (make_phi_node): Extern.
4565         (add_phi_node_to_bb): New.
4566         (create_phi_node): Call add_phi_node_to_bb.
4567         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4568         (remove_statement): Handle case where stored phi was updated
4569         and is no longer the same.
4570         * graphite.c (is_parameter): New.
4571         (is_old_iv): New.
4572         (expand_scalar_variables_expr): New.
4573         (expand_scalar_variables_stmt): New.
4574         (expand_scalar_variables): New.
4575         (move_phi_nodes): Create new phi instead of moving old one.
4576         (translate_clast): Call expand_scalar_variables.
4577         (find_vdef_for_var_in_bb): Also scan regular definitions.
4578         (skip_phi_defs): New.
4579         (collect_scop_exit_phi_args): New.
4580         (patch_scop_exit_phi_args): New.
4581         (gloog): Patch phis after scop.
4582         * tree-flow.h: (add_phi_node_to_bb): Declared.
4583         (make_phi_node): Declared.
4584
4585 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4586
4587         * graphite.c (end_scop): Split the entry of the scop when it
4588         is the header of the loop in which the scop is ending.
4589         (build_scops_1, limit_scops): Update uses of end_scop.
4590
4591 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4592
4593         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4594         SCOP_ENTRY or SCOP_EXIT.
4595
4596 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4597
4598         * graphite.c (get_construction_edge): Removed.
4599         (gloog): Construction edge is the scop entry edge.
4600
4601 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * graphite.c (can_generate_for_scop): Removed.
4604         (gloog): Do not call it.
4605
4606 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4607
4608         * graphite.c (new_scop): Entry of a scop is an edge.
4609         Initialize SESE region.
4610         (free_scop): Free SESE region.
4611         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4612         (split_difficult_bb): New, split from end_scop.
4613         (end_scop): Exit of a scop is an edge.
4614         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4615         not automatically updated and thus is always wrong.
4616         * graphite.h (struct sese): New.
4617         (SESE_ENTRY): New.
4618         (SESE_EXIT): New.
4619         (struct scop): New field for a SESE region.  Remove entry, exit.
4620         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4621         semantics as before.  Moved comment around.
4622
4623 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4624             Sebastian Pop  <sebastian.pop@amd.com>
4625
4626         * graphite.c (graphite_transform_loops): Always enable gloog
4627         and find_transform when ENABLE_CHECKING.
4628
4629 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4630
4631         * graphite.c (graphite_transform_loops): Move pretty printer
4632         of SCOPs before doing any transform.  Remove call to print_scops
4633         and dot_all_scops_1.
4634
4635 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4636
4637         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4638         (print_graphite_bb): Same.
4639
4640 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4641
4642         * graphite.c (dot_all_scops_1): Cleanup.
4643         (move_scops): Fix comment.
4644
4645 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4646
4647         * graphite.c (build_scop_bbs): Revert commit 139355:
4648
4649         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4650                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4651
4652                 * graphite.c (build_scop_bbs): Factor up code.
4653
4654 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4655
4656         * graphite.c (gloog): Update dominator info.
4657
4658 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4659
4660         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4661
4662 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4663
4664         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4665         initialization.
4666         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4667         (translate_clast): Correct formatting.
4668         * graphite.h (struct num_map): Removed.
4669         (struct graphite_bb): Remove num_map field.
4670         (GBB_INDEX_TO_NUM_MAP): Removed.
4671
4672 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4673
4674         * graphite.c (build_access_matrix_with_af): Fix comments.
4675         (build_scop_data_accesses): Same.
4676
4677 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4678
4679         * graphite.c (build_scop_data_accesses): Don't construct
4680         access matrices.  Add a FIXME and an assert condition that
4681         should pass when the access matrices will be needed.
4682
4683 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4684
4685         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4686         really_constant_p.
4687         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4688         Moved close by free_graphite_bb.
4689         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4690         (new_scop): Move close by free_scop.
4691         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4692
4693 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4694
4695         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4696         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4697         instead of recursive call.
4698         (graphite_translate_clast_equation): New.
4699         (graphite_create_guard_cond_expr): New.
4700         (graphite_create_new_guard): New.
4701         (get_stack_index_from_iv): Removed.
4702         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4703         (get_true_edge_from_guard_bb): New.
4704         (translate_clast): Handle stmt_guard in clast.
4705         (get_construction_edge): Allow construction edge detection for
4706         a scope entry with multiple predecessors if one predecessor is
4707         the immediate dominator of scope entry.
4708         (can_generate_code_stmt): Enable code generation for clast_guard.
4709         (gloog): Use correct context loop.  Removed check for post dominators.
4710         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4711
4712 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4713
4714         * graphite.c (remove_dead_loops): Document better which
4715         loops are removed.
4716
4717 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4718
4719         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4720         and PPLINC.
4721         (graphite.o): Also depends on pointer-set.h.
4722
4723 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4724
4725         * graphite.c (scop_record_loop): Fix compile warning.
4726
4727 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4728             Sebastian Pop  <sebastian.pop@amd.com>
4729
4730         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4731
4732 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4733
4734         * graphite.c (build_graphite_bb): Initialize bb->aux to
4735         point to the graphite_bb_p.
4736         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4737         content of bb->aux.
4738         (add_bb_domains): Does not use the scop parameter.
4739         (graphite_transform_loops): Clean bb->aux at the end.
4740
4741 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4742             Sebastian Pop  <sebastian.pop@amd.com>
4743
4744         * testsuite/lib/target-supports.exp
4745         (check_effective_target_fgraphite): New.
4746
4747         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4748         check_effective_target_fgraphite returns false.
4749         Set dg-do-what-default to compile.
4750         (scan-graphite-dump-times): Removed.
4751         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4752
4753         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4754         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4755         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4756         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4757         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4758         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4759         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4760         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4761         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4762         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4763         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4764         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4765         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4766         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4767         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4768         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4769         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4770         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4771         * testsuite/gcc.dg/graphite/block-0.c: Same.
4772         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4773         * testsuite/gcc.dg/graphite/block-1.c: Same.
4774         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4775         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4776         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4777         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4778         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4779
4780 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4781
4782         * graphite.c: Fix some XXX comments.
4783         (build_scop_dynamic_schedules): Removed.
4784
4785 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4786
4787         * graphite.h (scop_max_loop_depth): Moved...
4788         * graphite.c (scop_max_loop_depth): ...here.
4789         (remove_all_edges_1): New.
4790         (remove_all_edges): Factored code.
4791         (remove_cond_exprs): Check only the last statement for
4792         a GIMPLE_COND expression.
4793
4794 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4795
4796         * graphite.c (scan_tree_for_params): Early return when the
4797         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4798         (find_scop_parameters): Factor out code.
4799         (graphite_trans_bb_strip_mine): Remove dead code.
4800
4801 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4802
4803         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4804         graphite_trans_bb_move_loop): Factor asserts.
4805         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4806         Do not call calculate_dominance_info and estimate_bb_frequencies.
4807
4808 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4809
4810         * graphite.c (create_loops_mapping, free_loops_mapping,
4811         create_loops_mapping_num, debug_loop_mapping_1,
4812         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4813         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4814         graphite_loops_mapping_add_child_num,
4815         graphite_loops_mapping_insert_child,
4816         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4817         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4818         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4819         create_num_from_index, get_num_from_index,
4820         swap_loop_mapped_depth): Removed.
4821         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4822         (free_scop): Do not call free_loops_mapping.
4823         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4824         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4825         get_loop_mapped_depth.
4826         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4827         (graphite_trans_bb_strip_mine): Same.
4828         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4829         (struct scop): Remove field loops_mapping.
4830
4831 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4832             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4833
4834         * graphite.c (scop_record_loop): Factor out one level of the
4835         condition by early return.
4836         (build_scop_loop_nests): Format following FSF coding style.
4837         (build_scop_dynamic_schedules): Factor out code.
4838         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4839
4840 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4841             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4842
4843         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4844         assignments that are not handled as simple operands for now.
4845
4846 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4847             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4848
4849         * graphite.c (build_scop_bbs): Factor up code.
4850
4851 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4852             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4853
4854         * graphite.c (stmt_simple_for_scop_p): Factor code out
4855         of the loop.
4856         (enum gbb_type): New.  Group all the GBB_* types under it.
4857         (is_loop_exit): Moved...
4858         (end_scop): Enable BB spliting.
4859         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4860         * cfgloop.h (is_loop_exit): Declared.
4861
4862 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4863
4864         * doc/invoke.texi: Remove strides from examples containing
4865         DO loops when the strides are equal to 1.
4866
4867 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4868             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4869
4870         * graphite.c (graphite_trans_scop_block): Or the result with
4871         the result from graphite_trans_loop_block.
4872         * testsuite/gcc.dg/graphite/block-1.c: New.
4873         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4874         * testsuite/gfortran.dg/graphite/block-2.f: New.
4875
4876 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * graphite.c (graphite_transform_loops): Call cloog_initialize
4879         and cloog_finalize.
4880
4881 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4882
4883         * tree-data-ref.c) (stmt_simple_memref_p): New.
4884         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4885         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4886         (is_simple_operand): Call stmt_simple_memref_p.
4887
4888         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4889         using pointer arithmetic, as this is optimized by PRE and
4890         makes the code too difficult to analyze.
4891
4892         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4893
4894 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4895
4896         * gdbinit.in (pgg): New.
4897
4898 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4899
4900         * graphite.c (graphite_trans_loop_block): Fix warning.
4901
4902 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4903
4904         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4905
4906 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4907
4908         * graphite.c (graphite_trans_bb_block): Remove check for
4909         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4910         Check if loop blocking is profitable for every loop, before applying
4911         the changes.
4912         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4913         if flag_loop_block is set.
4914
4915 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4916
4917         * graphite.c: Add some more documentation for the loop
4918         mapping.
4919
4920 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4921
4922         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4923         * graphite.c: Format on less than 80 columns.
4924         * graphite.h: Same.
4925
4926 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4927
4928         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4929
4930 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4931
4932         * doc/invoke.texi (floop-block, floop-strip-mine,
4933         floop-interchange): Update documentation with examples.
4934
4935 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4936
4937         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4938         add_referenced_var.
4939         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4940
4941 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4942
4943         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4944         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4945         * tree-scalar-evolution.c: Revert useless changes.
4946         * tree-phinodes.c: Same.
4947         * cfghooks.c: Same.
4948         * vec.h: Same.
4949         * tree-vectorizer.h: Same.
4950         * tree-flow.h: Same.
4951         * tree-cfg.c: Same.
4952         * common.opt (fgraphite): Update documentation.
4953
4954 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4955
4956         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4957         -floop-interchange): Add more text for explaining what each of these
4958         flags is doing.
4959         * tree-into-ssa.c (gimple_vec): Moved to...
4960         * graphite.c: Include gimple.h.
4961         (gimple_vec): Moved to...
4962         (del_loop_to_cloog_loop): Removed.
4963         (loop_affine_expr): Do not call create_data_ref when the
4964         operand is a constant.
4965         (new_scop): Use free instead of del_loop_to_cloog_loop.
4966         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4967         * gimple.h (gimple_vec): ... here.
4968
4969 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4970
4971         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4972         latch executions.
4973         (build_loop_iteration_domains): Fail, if latch executions unknown.
4974
4975 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4976
4977         * graphite.c (add_conditions_to_domain): New.
4978         (build_scop_conditions_1): Call add_conditions_to_domain.
4979         (set_cloog_options): Allow to disable optimizations.
4980
4981 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4982
4983         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4984         Do not use walk_dominator_tree.
4985         (find_scop_parameters): Do not use walk_dominator_tree.
4986
4987 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4988
4989         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4990         (idx_record_params): Adapt.
4991         * graphite.h (scop_gimple_loop_depth): New.
4992
4993 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4994
4995         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4996         (scan_tree_for_params): Remove value_init.
4997         (build_scop_context): Remove value_init.
4998         (build_loop_iteration_domains): Remove value_init.
4999         (schedule_to_scattering): Remove value_init.
5000         (graphite_trans_bb_strip_mine): Remove value_init.
5001
5002 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5003
5004         * gcc/graphite.c (limit_scops): New.
5005         (graphite_transform_loops): Add limit SCoPs.
5006         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5007         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5008         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5009         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5010         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5011         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5012         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5013         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5014         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5015         Change loop numbers.
5016         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5017         Change loop numbers.
5018         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5019         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5020         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5021         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5022         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5023         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5024         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5025         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5026         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5027         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5028
5029 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5030
5031         * graphite.c (graphite_transform_loops): Call always find_transform.
5032
5033 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5034
5035         * graphite.c (free_loops_mapping): New.
5036         (stmt_simple_for_scop_p): Fix typo.
5037         (stmt_simple_for_scop_p): Fix tuples functions, that
5038         broke polyhedron.
5039         (free_graphite_bb): Fix some memleaks.
5040         (free_scop): Fix some memleaks.
5041         (scopdet_bb_info): Do not forget some tmp SCoPs.
5042         (find_params_in_bb): Fix some memleaks.
5043         (clast_to_gcc_expression): Fix warning.
5044
5045 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5046
5047         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5048         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5049
5050 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5051
5052         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5053         Move code ifdef-ed HAVE_cloog...
5054         * graphite.c: Include toplev.h.
5055         ... here.
5056         * Makefile.in (OBJS-common): Always build graphite.o.
5057         (BACKEND): Remove @GRAPHITE@.
5058         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5059         (graphite.o): Depend on TOPLEV_H.
5060
5061 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5062
5063         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5064         Remove typo left from polylib to ppl conversion.
5065         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5066
5067 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5068
5069         * toplev.c (process_options): Move the graphite loop optimization
5070         flags...
5071         * tree-ssa-loop.c (graphite_transforms): ... here.
5072         When not configured with CLooG, print to dump_file that
5073         Graphite transforms were not performed.
5074         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5075         New.
5076         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5077         scan-graphite-dump-times.
5078
5079 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5080
5081         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5082         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5083
5084 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5085             Jan Sjodin  <jan.sjodin@amd.com>
5086
5087         * configure: Regenerated.
5088         * omp-low.c (expand_omp_sections): Remove now unused code.
5089         * config.in (HAVE_polylib): Removed.
5090         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5091         (PPLLIBS, PPLINC): Added.
5092         * graphite.c: Replace unsigned with int wherever possible.
5093         Don't access Cloog's data structures, but use accessor functions.
5094         Clast's stmt->type is now implemented as a vtable: change the
5095         switches of stmt->type into ifs.
5096         (polylib/polylibgmp.h): Don't include.
5097         (initialize_dependence_polyhedron,
5098         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5099         statement_precedes_p, test_dependence, build_rdg_all_levels,
5100         dump_dependence_graph): Removed until this code is cleaned up
5101         or ported to Cloog.
5102         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5103         (POLYLIBINC): Renamed PPLINC.
5104
5105 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5106             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5107             Jan Sjodin  <jan.sjodin@amd.com>
5108
5109         Finish the merge and tuplification of graphite.
5110
5111 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5112             Jan Sjodin  <jan.sjodin@amd.com>
5113
5114         Partial merge from mainline (138072:138275).
5115         * graphite.c still has to be tuplified.
5116
5117 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5118
5119         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5120         (create_num_from_index): New.
5121         (get_num_from_index): Also pass in the graphite BB.
5122         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5123         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5124         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5125         (is_interchange_valid): Return false when failing.
5126         * graphite.h (struct num_map): New.
5127         (struct graphite_bb): New field num_map.
5128         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5129
5130 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5131
5132         * graphite.c (dump_gbb_conditions): Print also conditions like
5133         "if (a)".  Remove dublicated code and use print_generic_expr ().
5134         (stmt_simple_for_scop_p): Only allow conditions we can handle
5135         {<, <=, >, >=}.
5136
5137 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5138
5139         * graphite.h (struct scop): Removed new_ivs field.
5140         (SCOP_NEWIVS): Deleted.
5141         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5142         clast_to_gcc_expression, graphite_create_new_loop):
5143         Removed use of new_ivs.
5144
5145 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5146
5147         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5148         create_loops_mapping_num, debug_loop_mapping_1): New.
5149         (debug_loop_mapping): Call debug_loop_mapping_1.
5150         (get_loop_mapping_for_num,
5151         graphite_loops_mapping_add_child,
5152         graphite_loops_mapping_add_child_num,
5153         graphite_loops_mapping_insert_child,
5154         graphite_loops_mapping_parent,
5155         split_loop_mapped_depth_for_num,
5156         loop_mapped_depth_split_loop): New.
5157         (increment_loop_mapped_depths): Removed.
5158         (swap_loop_mapped_depth_for_num): Reimplemented.
5159         (new_scop): Call create_loops_mapping.
5160         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5161         (translate_clast): Pass the old loop father in parameter, and pass
5162         it to get_old_iv_from_ssa_name.
5163         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5164         can_generate_code, can_generate_for_scop): New.
5165         (graphite_trans_bb_block): Returns false when it fails to transform.
5166         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5167
5168 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5169
5170         Reverted all the changes related to the streamization and
5171         loop fusion.
5172         These changes are now tracked in the streamization branch.
5173
5174 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5175             Jan Sjodin  <jan.sjodin@amd.com>
5176
5177         * graphite.c (gbb_compare): Correctly constify.
5178         (gbb_can_be_ignored): Indent.
5179         (graphite_trans_scop_swap_1and2): Add legality check.
5180         Remove dead FIXMEs.
5181
5182 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5183
5184         Remove fallouts from "Reverted the Condate changes".
5185         * tree.h: Remove unused decl.
5186         * testsuite/gcc.dg/tree-checker: Same.
5187         * timevar.def: Remove counter.
5188
5189 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         * Merge from mainline (135673:138072).
5192
5193         Reverted the MIRO changes (from 2008-04-05) that are now
5194         tracked in the miro branch.
5195         * tree-bounds.c: Removed.
5196         * tree-bounds.h: Removed.
5197
5198         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5199         are now tracked in the condate branch.
5200         * tree-check.c: Removed.
5201         * tree-match.c: Removed.
5202         * condate.y: Removed.
5203
5204 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5205
5206         * common.opt: New user flag -floop-block, -floop-strip-mine
5207         and -floop-interchange.
5208         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5209         graphite loop optimization flags is turned on.
5210         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5211         flag_loop_strip_mine and flag_loop_interchange checks before
5212         optimizations.
5213         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5214         -floop-strip-mine and -floop-interchange.
5215         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5216         -fgraphite.
5217         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5218         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5219         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5220
5221 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5222             Sebastian Pop  <sebastian.pop@amd.com>
5223
5224         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5225         (create_empty_loop_on_edge): More fixes.
5226         * tree-phinodes.c (resize_phi_node): Extern.
5227         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5228         * cfghooks.c (update_dominator_information): New split from
5229         split_edge.
5230         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5231         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5232         successor of the function entry block.
5233
5234         * graphite.c: Include pointer-set.h.
5235         (debug_loop_mapping, increment_loop_mapped_depths,
5236         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5237         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5238         swap_loop_mapped_depth_for_num, get_num_from_index,
5239         swap_loop_mapped_depth, loop_iv_stack_debug,
5240         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5241         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5242         get_old_iv_from_ssa_name): New.
5243         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5244         (free_scop): Free SCOP_LOOPS_MAPPING.
5245         (scop_record_loop): Record old ivs.
5246         (create_var_name): Removed.
5247         (initialize_cloog_names): Allocate double space in case strip mine
5248         applies to all loops once.
5249         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5250         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5251         translation.
5252         (graphite_create_new_loop): Pass in ivstack.
5253         (remove_all_edges): Pass in the construction_edge.
5254         (graphite_remove_iv): Removed.
5255         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5256         remove_cond_exprs): Rewritten.
5257         (move_phi_nodes): New.
5258         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5259         (translate_clast): Pass in ivstack.  Rewrite some cases.
5260         (set_cloog_options, debug_clast_stmt): New.
5261         (find_transform): Use set_cloog_options.
5262         (outermost_loop_layer): Removed.
5263         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5264         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5265         mark_old_loops, remove_dead_loops): New.
5266         (gloog): Rewritten.
5267         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5268         (const_column_index, get_first_matching_sign_row_index,
5269         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5270         get_upper_bound): New.
5271         (graphite_trans_bb_strip_mine): Also update the iv map.
5272
5273         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5274         (struct name_tree): Add a loop field.
5275         (struct scop): Add a graphite_loops_mapping field.
5276         (SCOP_LOOPS_MAPPING): New.
5277         (debug_clast_stmt): Declare.
5278         * lambda.h (find_induction_var_from_exit_cond): Declare.
5279         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5280         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5281         (create_empty_loop_on_edge): Updated.
5282         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5283         rename_variables_in_bb): Declare.
5284         * tree-cfg.c (remove_bb): Extern.
5285
5286         * testsuite/gcc.dg/graphite/block-0.c: New.
5287
5288 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5289             Sebastian Pop  <sebastian.pop@amd.com>
5290
5291         * graphite.c (strip_mine_profitable_p): New.
5292         (graphite_trans_bb_block): Disable strip mining if not profitable.
5293
5294         * testsuite/gcc.dg/graphite/scop-18.c: New.
5295         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5296         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5297
5298 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5299             Jan Sjodin  <jan.sjodin@amd.com>
5300             Sebastian Pop  <sebastian.pop@amd.com>
5301
5302         * graphite.c (is_interchange_valid): New.
5303         (graphite_trans_bb_block): Check loop nest of basic block for legality
5304         of interchange.
5305
5306         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5307         outer_most_loop, gbb_outer_most_loop_index): New.
5308
5309         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5310         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5311         * testsuite/gcc.dg/graphite/scop-16.c: New.
5312         * testsuite/gcc.dg/graphite/scop-17.c: New.
5313
5314 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5315
5316         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5317         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5318
5319 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5320
5321         * graphite.c (new_scop): Initialize SCOP_EXIT.
5322         (scopdet_info): Add.
5323         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5324         (build_scops_1): Cleanup, bugfixes.
5325         (build_scops): Cleanup.
5326
5327         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5328         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5329
5330 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5331
5332         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5333
5334         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5335         DEFAULT_GRAPHITE_FLAGS.
5336
5337         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5338
5339 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5340
5341         * graphite.c (scan_tree_for_params): Do not assert any more if
5342         MULT_EXPR parameter is negative.
5343
5344         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5345
5346         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5347
5348         * testsuite/gcc.dg/graphite/scop-15.c: New.
5349
5350 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5351
5352         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5353
5354 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5355
5356         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5357         graphite_swap_loops.
5358         (graphite_trans_bb_move_loop): New.
5359         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5360         (graphite_trans_bb_block): New.
5361         (graphite_trans_loop_block): New.
5362         (graphite_trans_scop_swap_1and2): Rename from
5363         graphite_trans_swap_1and2.
5364         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5365         (graphite_trans_scop_block): New.
5366         (graphite_apply_transformations): Rename from
5367         graphite_transformations.
5368
5369         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5370
5371 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5372
5373         * graphite.c (gbb_compare): New.
5374         (graphite_sort_gbbs): New.
5375         (gbb_can_be_ignored): New.
5376         (scop_remove_ignoreable_gbbs): New.
5377         (graphite_transformations): Cleanup and add
5378         scop_remove_ignoreable_gbbs.
5379         * lambda.h (lambda_vector_compare): New.
5380
5381 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5382
5383         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5384         (graphite_swap_loops): int -> unsigned
5385         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5386         (graphite_transformations): New.
5387         (graphite_transform_loops): Move to graphite_transformations.
5388         * graphite.h (gbb_nb_loops): Return unsigned.
5389
5390 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5391
5392         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5393         the domain matrix.  This makes scop-0.c work again.
5394
5395 2008-06-20  Richard Guenther  <rguenther@suse.de>
5396
5397         * graphite.h: Adjust copyright to GPLv3.
5398         * graphite.c: Likewise.
5399         (stmt_simple_memref_for_scop_p): Split out from ...
5400         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5401         and simplify.
5402         (get_bb_type): Optimize.
5403         (is_pred): Remove.
5404         (is_bb_addable): Fix memleak, replace is_pred call with
5405         single_pred.
5406         (build_scops): Use current_loops.
5407         (param_index): Fix memleak.
5408
5409 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5410
5411         * graphite.c: Fix formatting.
5412
5413 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5414
5415         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5416         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5417         (create_var_name, save_var_name): Newly defined functions.
5418         (initialize_cloog_names): Part of the code factored out to
5419         save_var_name.
5420         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5421         in clast_reduction statement.
5422         (graphite_create_new_loop): Now takes a new parameter
5423         for outer_loop.
5424         (translate_clast): Now also takes the context_loop and bb_exit
5425         parameters. Rewritten the code so that it creates a gimple code
5426         inside the given context.
5427         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5428         remove_cond_expr, disconnect_cond_expr,
5429         disconnect_virtual_phi_nodes): Newly defined functions.
5430         * graphite.h (struct scop): added old_ivs vector.
5431         SCOP_OLDIVS: New macro.
5432
5433 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5434
5435         * cfgloopmanip.c: Add missing function comments, fix formatting.
5436
5437 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5438
5439         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5440         (create_empty_loop_on_edge): Defined.
5441         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5442         instead of void.
5443         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5444         (update_dominators_in_loop): Declared as extern
5445         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5446
5447 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5448
5449         * graphite.c (print_graphite_bb): Allow changing number of loops
5450         in SCoP domain.
5451         (initialize_cloog_names): Allow changing number of loops.
5452         (build_cloog_prog): Simplify.
5453         (find_transform): Enable cloog option --strides.
5454         (graphite_swap_loops): New.
5455         (graphite_strip_mine_loop): New.
5456         (graphite_trans_swap_1and2): New.
5457         (graphite_trans_strip): New.
5458         (graphite_transform_loops): Add graphite_trans_strip.
5459         * graphite.h (scop_max_loop_depth): New.
5460
5461 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5462
5463         * graphite.c (build_scop_iteration_domain): Remove forgotten
5464         line. (Fixes compile)
5465
5466 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5467
5468         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5469         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5470         (build_bb_loops): New.
5471         (graphite_transform_loops): Add build_bb_loops.
5472         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5473         numbers.
5474         * graphite.h (graphite_bb): Add loops.
5475         (gbb_nb_loops): New.
5476         (gbb_loop_at_index): New.
5477         (gbb_loop_index): New.
5478         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5479         using nb_params_in_scop.
5480
5481 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5482
5483         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5484         (build_scop_canonical_schedules): Build minimized schedule.
5485         (schedule_to_scattering): Adapt to minimized schedule.
5486         * graphite.h (graphite_bb): Add/Update descriptions.
5487
5488 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5489             Tobias Grosser  <grosser@fim.uni-passau.de>
5490
5491         * graphite.c (print_graphite_bb): Add condition printing.
5492         (dump_value): New.
5493         (dump_gbb_conditions): New.
5494         (build_scop_conditions_1): New.
5495         (build_scop_conditions): New.
5496         * graphite.h (graphite_bb): Add conditions.
5497
5498 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5499
5500         * graphite.c (print_graphite_bb):
5501         (free_graphite_bb): New.
5502         (free_scop): Free bbs.
5503         (get_bb_type): Free doms.
5504         (build_scop_context): Free context matrix.
5505         (build_loop_iteration_domains): Remove unused code.
5506         (build_cloog_prog): Free scattering function and blocklist.
5507         (find_transform): Free options.
5508
5509 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5510
5511         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5512         Remove unnecessery cloog data structures. Make a copy of the domain
5513         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5514         unnecessary cloog data structures. Fix memory leaks. Remove insert
5515         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5516         used.
5517         (build_scop_iteration_domain): Remove unnecessary cloog
5518         data structures.  Fix memory leaks.
5519         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5520         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5521
5522 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5525
5526 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5527
5528         * graphite.c (end_scop): Style fix.
5529         (schedule_to_scattering): Style and comment fix.
5530
5531 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5532         * graphite.c (print_graphite_bb): Fix definiton of
5533         schedule_to_scattering.
5534         (initialize_cloog_names): Change nb_scattdims to max loop
5535         depth in SCoP.
5536         (schedule_to_scattering): Take parameter for number of scattering
5537         dimensions.
5538         (build_cloog_prog): Only build as much scattering dimensions as
5539         necessary.
5540
5541 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5542
5543         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5544         in polyhedron/aermod.f90.
5545
5546 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5547             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5548             Harsha Jagasia  <harsha.jagasia@amd.com>
5549
5550         * graphite.c (is_bb_addable): Fix segfault.
5551
5552 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5555         with multiple exits and conditional handling in edge cases.
5556         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5557
5558         * testsuite/gcc.dg/graphite/scop-14.c: New.
5559
5560 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5561             Adrien Eliche  <aeliche@isty.uvsq.fr>
5562
5563         * graphite.c (is_bb_addable): Add more comments and enhance
5564         readablity of the source code. Fix memory leak.
5565         (is_loop_exit): Fix memory leak.
5566
5567 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5568
5569         * graphite.c (first_loop_in_scop): Deleted.
5570         (setup_cloog_loop): Only walk the loop chain for inner loops.
5571         (build_scop_iteration_domain): Execute setup_cloog_loop for
5572         all loops in the first layer.
5573
5574 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5575
5576         * graphite.c (scan_tree_for_params): Change the way params are
5577         added to be indepenent of the number of loops.
5578         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5579         handling.
5580         (build_cloog_prog): Revert to short matrix format.
5581
5582 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5583             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5584
5585         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5586         warning.
5587
5588 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5589
5590         * graphite.c (nb_data_refs_in_scop): New.
5591         (graphite_transform_loops): Print more stats: number of
5592         loops, basic blocks and data references per scop.
5593
5594 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5595             Jan Sjodin  <jan.sjodin@amd.com>
5596
5597         * graphite.c (loop_affine_expr, idx_record_params,
5598         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5599         instead of instantiate_parameters.
5600
5601 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5602
5603         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5604         add support for parameters, add STATIC_SCHEDULE at the right places,
5605         cleanup.
5606
5607 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5608
5609         * graphite.c (build_scop_loop_nests): Only add the loops, that
5610         are contained completely in the SCoP.
5611         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5612         and the domains are fixed.
5613         (build_scop_canonical_schedules): Add support for bbs not contained
5614         in any SCoP.
5615
5616 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5617
5618         * graphite.h (scop_contains_loop): Update comments to match
5619         the actual behavior.
5620         (scop_contains_loop): New.
5621         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5622
5623 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5624
5625         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5626         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5627         as GBB_COND_HEADER.
5628
5629 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5630             Tobias Grosser  <grosser@fim.uni-passau.de>
5631
5632         * graphite.c (graphite_transform_loops): Early return when
5633         there are no loops in the function.
5634
5635 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5636             Jan Sjodin  <jan.sjodin@amd.com>
5637
5638         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5639         offset of the last loop.
5640         (setup_cloog_loop): Copy the entire outer constraint matrix.
5641
5642 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5643             Jan Sjodin  <jan.sjodin@amd.com>
5644
5645         * graphite.c (stmt_in_scop_p, function_parameter_p,
5646         invariant_in_scop_p): Removed.
5647         (scan_tree_for_params): Can be used with no constraint
5648         matrix for gathering parameters.
5649         (idx_record_params): Don't use idx_record_param, instead use
5650         scan_tree_for_params.
5651         (find_scop_parameters): Same.
5652         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5653         Fix the size of loop domains.
5654         (schedule_to_scattering): Exit when the outer loop is not in scop.
5655         (find_transform): Enable build_cloog_prog.
5656
5657 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5658             Jan Sjodin  <jan.sjodin@amd.com>
5659
5660         * graphite.c (schedule_to_scattering): Make scattering domains
5661         uniformly of the same size, as required by CLooG 0.14.0 and before.
5662
5663 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5664             Jan Sjodin  <jan.sjodin@amd.com>
5665
5666         * graphite.c (schedule_to_scattering): Rewrite, correct the
5667         translation of the scheduling function to scattering.
5668         (build_cloog_prog): Call schedule_to_scattering only once.
5669         * graphite.h (scop_loop_index): Do not fail for loops not
5670         in the scop: return -1.
5671
5672 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5673
5674         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5675         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5676         (setup_cloog_loop): Export GBB_DOMAIN.
5677         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5678         able to rebuild the original control flow.
5679         * graphite.h (graphite_bb): Add domain field and access macro.
5680         (GBB_DOMAIN): New.
5681
5682 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * graphite.c (debug_gbb): New.
5685         (print_scop, build_graphite_bb): Use SCOP_BBS.
5686         (build_scop_bbs): Reimplemented.
5687         (dfs_bb_in_scop_p): Removed.
5688         (build_scop_loop_nests): Reorder loops inserted in
5689         SCOP_LOOP_NEST: outer loops should come first.
5690         (build_scop_canonical_schedules): Reinitialize at zero
5691         the components of the SCOP_STATIC_SCHEDULE for the loops
5692         that have already been parsed.
5693
5694         * graphite.h (debug_gbb): Declared.
5695
5696 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5697             Jan Sjodin  <jan.sjodin@amd.com>
5698
5699         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5700         (graphite_loop_to_gcc_loop): Removed.
5701         (remove_all_edges): New.
5702         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5703         (gloog): Remove useless code.
5704
5705 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5706
5707         * graphite.c (get_bb_type): Reworked. We distinguish between
5708         loops with one or multiple exits.
5709         (is_loop_exit): New.
5710         (is_pred): New.
5711         (is_bb_addable): Rework condition handling, now support for case
5712         case statements and loops with multiple exits.
5713
5714         * testsuite/gcc.dg/graphite/scop-11.c: New.
5715         * testsuite/gcc.dg/graphite/scop-12.c: New.
5716         * testsuite/gcc.dg/graphite/scop-13.c: New.
5717
5718 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5719
5720         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5721         we have too many colors.
5722
5723 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5724
5725         * doc/invoke.texi (-ftree-loop-fusion): Document.
5726         * tree-pass.h (pass_loop_fusion): Declared.
5727         * tree-loop-fusion.c: New.
5728         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5729         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5730         * tree-data-ref.h (find_data_references_in_loop): Declared.
5731         * common.opt (ftree-loop-fusion): Declared.
5732         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5733
5734 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5735
5736         * graphite.c (build_access_matrix): Fix typo from the merge.
5737
5738 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5739
5740         * Merge from mainline (130800:135673).
5741
5742 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5743
5744         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5745         Update dominators after splitting.
5746
5747 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5748
5749         * graphite.c (is_bb_addable): Return the harmful statement.
5750         Factor up some code.
5751         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5752         (build_scops_1): Call end_scop.
5753
5754 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5755
5756         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5757         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5758         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5759         build_scops_1): Removed.
5760         (build_scops_2): Renamed build_scops_1.
5761
5762 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5763
5764         * graphite.c: Fix formatting.
5765
5766 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5767
5768         * graphite.c (get_bb_type): New.
5769         (move_scops): New.
5770         (build_scops_2): New.
5771         (is_bb_addable): New.
5772         (build_scops): Switch the scop detection.
5773         (build_scop_bbs): Add entry bb to scop.
5774         * graphite.h (struct scop): Update comment.
5775
5776 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5777
5778         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5779         more colors.
5780
5781 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5782
5783         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5784         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5785         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5786         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5787         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5788
5789 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5790
5791         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5792         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5793         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5794         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5795         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5796
5797 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5798
5799         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5800         Check affine expressions depending on the outermost loop
5801         instead of a scop.
5802         (stmt_simple_for_scop_p): Same.
5803         (harmfule_stmt_in_scop): Same.
5804
5805 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5806
5807         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5808         mark entry and exit, that are not part of the SCoP and update HTML
5809         formatting.
5810
5811 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5812
5813         * graphite.c (basic_block_simple_for_scop_p): Renamed
5814         harmful_stmt_in_bb.
5815         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5816         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5817         (all_preds_visited_p, all_succs_visited_p,
5818         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5819         scop_end_loop): New.
5820         (build_scops): Do not use dfs_enumerate_from.
5821
5822         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5823
5824 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5825
5826         * graphite.c: Add comments to functions that are missing a
5827         description.
5828         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5829
5830 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5831
5832         * graphite.c (nb_params_in_scop): Moved...
5833         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5834         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5835         (clast_to_gcc_expression): Reduce column size to less than 80.
5836         (graphite_create_iv): Return the new name of the IV.
5837         (find_transform): Set options->esp and options->cpp.
5838         (gloog): Comment out the invalidation of the old loop code.
5839         (initialize_dependence_polyhedron): Replace scop_nb_params with
5840         nb_params_in_scop.
5841
5842         * graphite.h (nb_params_in_scop): ... here.
5843         (scop_nb_params): Removed.
5844         (loop_domain_dim): Return something even when the loop was not
5845         found in the hash table: avoid ICEing on all the graphite.exp
5846         testcases.
5847
5848 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5849
5850         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5851
5852         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5853         according to nesting level.
5854         (find_scop_parameters): Call instantiate_parameters.
5855         (scan_tree_for_params): Extend it to handle general affine bounds.
5856         Inner loop bound can depend on outer loop induction variable.
5857         (setup_cloog_loop): tmp variable is allocated on stack. Call
5858         instantiate_parameters with respect to outermost_loop_in_scop.
5859         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5860         graphite.h.
5861         (create_empty_loop): Function loopify should be given edge
5862         probability, instead of edge frequency. Dominance relation from
5863         switch_bb to loop_header.
5864         (clast_to_gcc_expression): Added handling of clast_reduction node.
5865         (gloog): New functionality for removing old loop.
5866         (test_dependence): Factored out from build_rdg_all_levels.
5867         (build_rdg_all_levels): Dependence testing factored out to
5868         test_dependence function.
5869
5870         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5871         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5872         from graphite.c
5873
5874 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5875
5876         * graphite.c (free_scop, param_index, initialize_cloog_names,
5877         nb_params_in_scop): Use name_tree map instead of just a tree
5878         for keeping track of the variable name associated to that tree.
5879         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5880         clast_to_gcc_expression, graphite_create_iv,
5881         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5882         graphite_stmt_to_gcc_stmt): New.
5883         (gloog): Call these.
5884         * graphite.h (struct name_tree): New.
5885         (struct scop): Use name_tree instead of tree for params.
5886         Store a vector of name_tree for new_ivs.
5887         (SCOP_NEWIVS): New.
5888         (scop_nb_params): Use name_tree instead of tree.
5889
5890 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5891             Sebastian Pop  <sebastian.pop@amd.com>
5892
5893         * tree-bounds.c: New.
5894         * tree-bounds.h: New.
5895         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5896         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5897         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5898         flag_mudflap.
5899         * gcc.c: Same.
5900         * toplev.c: Same.
5901         * c-cppbuiltin.c: Same.
5902         * c-pragma.c: Same.
5903         * common.opt: Same.
5904         * varasm.c: Same.
5905         * tree-outof-ssa.c: Same.
5906         * c-common.c: Same.
5907         * Makefile.in: Same.
5908
5909 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5910             Sebastian Pop  <sebastian.pop@amd.com>
5911
5912         * tree-loop-distribution.c (remaining_stmts,
5913         upstream_mem_writes): Removed static variables.
5914         (copy_loop_before, create_bb_after_loop,
5915         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5916         rdg_build_components, rdg_build_partitions,
5917         dump_rdg_partitions): Extern.
5918         (generate_loops_for_partition, generate_code_for_partition): Do not
5919         return a bool.
5920         (already_processed_vertex_p, predecessor_has_mem_write,
5921         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5922         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5923         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5924         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5925         Pass remaining_stmts and upstream_mem_writes as parameters.
5926         (rdg_component): Moved...
5927         (build_rdg_partition_for_component): Do not aggregate components when
5928         flag_streamize_loops is set.
5929         (gen_sequential_loops): New.
5930         (ldist_gen): Call gen_sequential_loops.
5931
5932         * tree-pass.h (pass_loop_streamization): Declared.
5933
5934         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5935         basic blocks when loops structures exist.
5936
5937         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5938
5939         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5940
5941         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5942         eliminate_local_variables_stmt, eliminate_local_variables,
5943         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5944         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5945         of code delimited by two edges in the CFG.
5946         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5947         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5948         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5949         the case of parallelisation of reductions.
5950         (create_loop_fn): Extern.
5951         (create_omp_parallel_region): New.
5952
5953         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5954         dump_data_reference for printing dra and drb.
5955         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5956         RDGE_RELATION.
5957         (build_rdg): Don't call free_dependence_relations for the moment, as
5958         we attach dependence relations on each edge of the RDG.
5959         To be fixed later.
5960
5961         * tree-data-ref.h (rdg_component): ...here.
5962         (struct rdg_edge): New field ddr_p relation.
5963         (RDGE_RELATION): New.
5964         (create_bb_after_loop, copy_loop_before,
5965         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5966         rdg_build_partitions, dump_rdg_partitions,
5967         free_rdg_components): Declared.
5968
5969         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5970         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5971
5972         * tree-loop-streamization.c: New.
5973
5974         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5975         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5976
5977         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5978
5979         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5980
5981         * passes.c: Schedule pass_loop_streamization.
5982
5983 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5984
5985         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5986         update comment.
5987
5988 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5989
5990         * graphite.c (dot_all_scops): Update formatting.
5991         Bbs can now be part of more than one SCoP.
5992
5993 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5994
5995         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5996         malloc problems.
5997         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5998         * graphite.h (loop_to_cloog_loop): New.
5999
6000 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6001
6002         * graphite.c (loop_domain_dim, ref_nb_loops,
6003         loop_iteration_vector_dim): New.
6004         (build_access_matrix_with_af, build_access_matrix,
6005         initialize_dependence_polyhedron): Fixed for new matrix layout.
6006         No longer assume that all iteration domains are of the same
6007         dimensionality.
6008
6009 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6010
6011         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6012         defined in a loop at depth 0 is invariant.
6013         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6014         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6015         be called at loop depth 0.
6016
6017         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6018         a parameter.
6019         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6020         (down_open_scop): Removed.
6021         (loop_in_scop_p): Redefined.
6022         (scop_affine_expr): New argument: scop.
6023         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6024         a harmful statement ending a scop.
6025         (basic_block_simple_for_scop_p): New argument: scop.
6026         (get_loop_start): Removed.
6027         (new_scop): Initialize SCOP_LOOPS.
6028         (free_scop): Free SCOP_LOOPS.
6029         (succs_at_same_depth, preds_at_same_depth): New.
6030         (end_scop): Test the validity of a scop.
6031         (add_dominators_to_open_scops): New.
6032         (test_for_scop_bound): Call add_dominators_to_open_scops.
6033         Add cases for opening and closing multiple scops.
6034         (build_scops, build_scop_bbs): Iterate over basic blocks in
6035         depth first order.
6036         (build_graphite_bb): Pass scop directly.
6037         (dfs_bb_in_scop_p): New.
6038         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6039         several times.
6040         (nb_loops_around_gb): Use loop_in_scop_p.
6041         (schedule_to_scattering): Disabled for the moment the code computing
6042         the "textual order for outer loop".
6043
6044         * graphite.h (struct scop): New field loops.
6045         (SCOP_LOOPS): New.
6046         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6047
6048         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6049
6050 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6051             Sebastian Pop  <sebastian.pop@amd.com>
6052
6053         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6054         * common.opt (fstreamize-loops): New.
6055         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6056         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6057         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6058         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6059
6060 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6061
6062         * tree-data-ref.c (build_empty_rdg): New.
6063         (build_rdg): Use it.
6064         * tree-data-ref.h (build_empty_rdg): Declared.
6065         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6066         (find_vertex_for_stmt): Removed.
6067         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6068
6069 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6070
6071         * tree-loop-distribution.c (generate_builtin): After cancelling the
6072         loop tree, also delete basic blocks.
6073         (rdg_flag_uses): Stop recursion when a vertex has already been
6074         processed.
6075
6076 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6077
6078         * graphite.c (build_scop_alpha): Removed.
6079         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6080         and dump_dependence_graph to avoid compiler warnings.
6081
6082 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6083
6084         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6085         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6086         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6087         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6088         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6089         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6090         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6091         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6092         dump_dependence_graph): New.
6093         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6094         (GBB_ALPHA): New.
6095         (struct scop): New field loop2cloog_loop.
6096         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6097         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6098
6099 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6100
6101         * graphite.c (build_graphite_bb): Fix initialization
6102         of the graphite basic block.
6103
6104 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6105
6106         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6107         loop domain matrix.  Pass in the number of loops contained in the
6108         constraint matrix.
6109         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6110         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6111         loops that are not surrounding the current loop are not represented
6112         in the domain constraint matrix.
6113         (build_scop_iteration_domain): Initial domain constraint matrix
6114         contains only the eq/ineq, cst, and scop parameters columns.
6115
6116 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6117
6118         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6119         (print_graphite_bb): Print scattering.
6120
6121 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6122
6123         * graphite.c (initialize_cloog_names): Initialize names of
6124         scattering variables.
6125
6126 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6127
6128         * graphite.c (dot_all_scops_1): Disable debug output while
6129         printing graph.
6130
6131 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6132
6133         * graphite.c (find_transform): Change cloog output language to C.
6134
6135 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6136
6137         * tree-loop-distribution.c (generate_memset_zero,
6138         generate_builtin, generate_code_for_partition,
6139         rdg_flag_all_uses): New.
6140         (rdg_flag_uses): Gather in the same partition the statements defining
6141         the VUSES of the current statement.
6142         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6143         Gather in the same partition not only the stores to the same memory
6144         access, but also the reads.
6145         (ldist_generate_loops): Renamed ldist_gen.
6146
6147 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6148             Tobias Grosser  <grosser@fmi.uni-passau.de>
6149
6150         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6151         next pointer, don't use the inner pointer.
6152
6153 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6154
6155         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6156         (find_transform): Call dot_all_1.
6157         * graphite.h (dot_all_scops): Declared.
6158
6159 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6160
6161         * tree-loop-distribution.c: Fix apsi.f ICE.
6162         (create_bb_after_loop): New.
6163         (generate_loops_for_partition): Use it.
6164         * testsuite/gfortran.dg/ldist-1.f90: New.
6165
6166         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6167         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6168
6169 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6170
6171         * graphite.c (find_transform): Dump cloog program sent to cloog.
6172
6173 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6174
6175         * graphite.c (initialize_cloog_names): Initialize cloog
6176         iterator names.
6177
6178 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6179
6180         * graphite.c (build_scop_context): Fix typo, for the matrix
6181         format: insert '0 >= 0' instead of '-1 >= 0'.
6182
6183 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6184
6185         * Fix merge problems.
6186
6187 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6188
6189         * graphite.c (setup_cloog_loop): Fix typo.
6190
6191 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6192
6193         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6194         * tree-loop-distribution.c: Reimplemented.
6195         * tree-pass.h (pass_loop_distribution): New.
6196         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6197         print_loops.
6198         * graphds.h (struct graph): New field indexes.
6199         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6200
6201         * tree-vect-analyze.c: Remove declaration of static functions when not
6202         needed.
6203         * tree-vectorizer.c: Same.
6204         (rename_variables_in_loop): Now extern.
6205         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6206         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6207         calling redirect_edge_and_branch_force.
6208
6209         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6210
6211         * tree-data-ref.c: Don't include tree-chrec.h.
6212         (debug_data_dependence_relations): New.
6213         (dump_data_dependence_relation): Call dump_data_reference on data refs
6214         in the relation.
6215         (same_access_functions): Moved...
6216         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6217         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6218         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6219         struct rdg_vertex_info, ): New.
6220         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6221         at DDR_REVERSED_P.
6222         (create_rdg_vertices): Initialize the htab of graph->indexes.
6223         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6224         (stmts_from_loop): Don't save LABEL_EXPR.
6225         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6226         hash_stmt_vertex_del): New.
6227         (build_rdg): Initialize rdg->indexes.
6228         (free_rdg, stores_from_loop, ref_base_address,
6229         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6230         have_similar_memory_accesses_1, ref_base_address_1,
6231         remove_similar_memory_refs): New.
6232
6233         * tree-data-ref.h: Include tree-chrec.h.
6234         (debug_data_dependence_relations): Declared.
6235         (same_access_functions): ...here.  Now static inline.
6236         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6237         ddr_dependence_level): New.
6238         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6239         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6240         RDG_MEM_READS_STMT): New.
6241         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6242         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6243         rdg_vertex_for_stmt): Declared.
6244         (struct rdg_edge): New field level.
6245         (RDGE_LEVEL, free_rdg): New.
6246         (stores_from_loop, remove_similar_memory_refs,
6247         rdg_defs_used_in_other_loops_p,
6248         have_similar_memory_accesses): Declared.
6249         (rdg_has_similar_memory_accesses): New.
6250
6251         * lambda.h (dependence_level): New.
6252         * common.opt (ftree-loop-distribution): New.
6253         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6254         (print_loop_ir): Renamed print_loops.
6255         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6256         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6257         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6258         (tree-loop-distribution.o): Added.
6259         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6260         (mark_virtual_ops_in_bb): New.
6261         (print_loops_bb, debug_loop_num, debug_loop): New.
6262         * passes.c: Scheduled pass_loop_distribution.
6263
6264 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6265
6266         * graphite.c (scan_tree_for_params): Correct the number of columns
6267         for polylib format.
6268         (nb_flat_iterator): New.
6269         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6270         (build_scop_iteration_domain): Correct the number of columns for
6271         polylib format.
6272
6273 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6274
6275         * Merge from mainline (129697:130800).
6276
6277 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6278
6279         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6280         dominated by SCoP's exit.
6281         (graphite_transform_loops): Compute post dominators.
6282
6283 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6284
6285         * Merge from mainline (127169:129697).
6286
6287 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6288
6289         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6290         parameter for the basic block that contains the expression.  Use
6291         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6292         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6293         the expression.
6294         * graphite.h (gbb_loop): New.
6295         (GBB_LOOP): Removed.
6296
6297 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6298
6299         * Makefile.in: Fix merge problem.
6300
6301 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6302
6303         * Merge from mainline (125309:127169).
6304         * tree-loop-distribution.c: Disabled.
6305
6306 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6307
6308         * Merge from mainline (r123693:125309).
6309
6310 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6311
6312         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6313         correct_modify_p
6314         (correct_modify_p, check_statements, number_of_lvalue_uses,
6315         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6316         instead of MODIFY_EXPR.
6317         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6318         and push new edges.
6319
6320 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6321
6322         * tree-loop-distribution.c (struct rdg): Replace arrays by
6323         VECs for edges and vertices.
6324         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6325         (RDGV_NB_PARTITIONS): New.
6326         (PRDG_NBV, PRDG_NBE): Removed.
6327         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6328         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6329         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6330
6331 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6332             Sebastian Pop  <sebpop@gmail.com>
6333
6334         * doc/invoke.texi (-ftree-loop-distribution): Document.
6335         * tree-loop-distribution.c: New file.
6336         * tree-pass.h (pass_loop_distribution): Declared.
6337         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6338         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6339         and set reversed_p.
6340         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6341         (DDR_REVERSED_P): New.
6342         * common.opt (-ftree-loop-distribution): New.
6343         * tree-flow.h (distribute_loops): Declared.
6344         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6345         * passes.c (init_optimization_passes): Schedule loop distribution.
6346
6347 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6348
6349         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6350         (print_scop): Don't print when scop is NULL.
6351         (build_scop_context, find_transform): Don't output to stderr.
6352
6353 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6354
6355         * tree-data-ref.c: Don't include graphite.h.
6356         Comment out the code for printing data reference's scop.
6357         (build_access_matrix_with_af): Moved...
6358         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6359         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6360         (print_graphite_bb): Print basic block's schedule.
6361         (print_scop): Don't print the schedule, call cloog's pretty printer.
6362         (bb_in_scop_p): A basic block is in a scop only if it is both
6363         dominated and postdominated by the scop's entry and exit basic blocks.
6364         (function_parameter_p): New.
6365         (invariant_in_scop_p): Use function_parameter_p.
6366         (new_scop, save_scop): New.
6367         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6368         save_scop.
6369         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6370         (loop_in_scop_p): New.
6371         (scop_record_loop): Use loop_in_scop_p.
6372         (build_scop_domain): Renamed build_scop_iteration_domain.
6373         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6374         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6375         setup_cloog_loop, dot_scop_1, dot_scop): New.
6376         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6377         (struct scop): Add a pointer to cloog's representation of a program.
6378
6379 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6380
6381         * doc/invoke.texi (-ftree-check-verbose): Renamed
6382         -ftree-checks-verbose.
6383         * common.opt (flag_tree_check_verbose): Renamed
6384         flag_tree_checks_verbose.
6385         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6386
6387 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6388
6389         * configure: Regenerated.
6390         * config.in: Regenerated.
6391         * tree-ssa-loop.c (graphite_transforms): Execute
6392         graphite_transform_loops only when HAVE_cloog.
6393         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6394         * graphite.c: Include polylibgmp.h and cloog.h.
6395         (graphite_transform_loops): Removed loops parameter.
6396         * tree-flow.h (graphite_transform_loops): Update declaration.
6397         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6398         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6399         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6400         (OBJS-common): Remove dependence on graphite.o.
6401         (BACKEND): Depend on @GRAPHITE@.
6402
6403 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6404
6405         * doc/invoke.texi (-ftree-check-verbose): Documented.
6406         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6407         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6408         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6409         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6410         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6411         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6412         * common.opt (ftree-checks-verbose): New.
6413         * tree-check.c (tree_check_warning): Move extra stderr output
6414         under control of flag_tree_check_verbose.
6415
6416 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6417
6418         * tree-match.c: Fix comments formatting.
6419         * tree-match.h: Fix comments formatting.
6420         * tree-check.c: Fix comments formatting.
6421         (tree_check_init): Restructure.
6422
6423 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6424
6425         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6426
6427 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6428
6429         * Merge from mainline (r120733:123693).
6430
6431 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6432
6433         * condate.y: New file.
6434         * tree-match.h (struct patt_info_s): New field sign.
6435         (struct condate_s): New field msg.
6436         (normalize_condate, name_condate, add_condate): New.
6437         (conds[], condate_parse): Made extern.
6438         * tree-check.c (tree_check_warning): First arg changed to cond;
6439         warning reformatted.
6440         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6441         (tree_scan): New.
6442         (tree_check): Process trivial condates.
6443         (read_delimited_string): Removed.
6444         (print_cond): Print name and msg.
6445         (conds[]): Made extern.
6446         (parse_tree_check_file_once): Rewritten to use the parser in
6447         condate.y.
6448         Processing of option --tree_check_string moved to tree_scan().
6449         * Makefile.in: Added condate.y
6450
6451 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6452
6453         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6454         Use VECs instead of varrays.
6455         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6456         * Makefile.in (pretty-print.o): Depend on vec.h.
6457         * pretty-print.c: Include tree.h and vec.h.
6458         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6459         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6460         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6461         pp_free_list): Use VECs instead of varrays.
6462         * pretty-print.h: Do not include varray.h.
6463         (struct tree_chunk_s): Declaration moved before its use.
6464         (output_buffer): Rename varray field to chunks.
6465         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6466         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6467         save_global_holes): Use VECs instead of varrays.
6468         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6469         * tree-check.c (scan_cfg_stmts, push_node,
6470         print_matching_stmt): Removed.
6471         (tree_check_instance, push_global_holes_if_new, tree_check,
6472         execute_tree_check): Use VECs instead of varrays.
6473         (gate_tree_check): Don't execute the CFG check when basic_block_info
6474         is not available.
6475
6476 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6477
6478         * Merge from mainline (r115016:120733).
6479
6480 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6481
6482         * Merge from mainline (r117632:117661).
6483
6484 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6485
6486         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6487         * tree-pass.h (TDF_DEBUG, debug_p): New.
6488         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6489         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6490         get_loop_exit_condition, analyze_evolution_in_loop,
6491         analyze_initial_condition, analyze_scalar_evolution,
6492         instantiate_parameters, number_of_latch_executions): Use debug_p.
6493         * tree-chrec.c (chrec_apply): Use debug_p.
6494         * tree-data-ref.c: Include graphite.h.
6495         (dump_data_reference): Print also the access matrix.
6496         (analyze_array, analyze_indirect_ref, init_data_ref,
6497         analyze_offset_expr, address_analysis, object_analysis,
6498         create_data_ref, finalize_ddr_dependent,
6499         non_affine_dependence_relation, analyze_ziv_subscript,
6500         analyze_siv_subscript_cst_affine,
6501         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6502         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6503         analyze_miv_subscript, analyze_overlapping_iterations,
6504         build_classic_dist_vector, subscript_dependence_tester,
6505         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6506         (build_access_matrix_with_af): No longer static.
6507         * tree-data-ref.h (scop_p): ... declaration here.
6508         (data_reference.scop): New field.
6509         (DR_SCOP, DR_ACCESS_MATRIX): New.
6510         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6511         * graphite.c (print_graphite_bb): Call dump_data_references.
6512         (print_scop): Use scop_nb_loops and scop_dim_domain.
6513         (test_for_scop_bound): Use debug_p.
6514         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6515         scop_nb_params.
6516         (scop_loop_index): Moved...
6517         (scop_record_loop): New.
6518         (build_scop_loop_nests): Use scop_record_loop.
6519         (build_scop_domain): Use scop_dim_domain.
6520         (build_access_matrix): Implemented.
6521         (build_scop_canonical_schedules): Use scop_nb_loops.
6522         (build_graphite_bb): Initialize GBB_SCOP.
6523         * graphite.h (scop_p): Moved...
6524         (graphite_bb.scop): New field.
6525         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6526         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6527         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6528         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6529         scop_loop_index): New.
6530         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6531
6532 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6533
6534         * Merge from mainline (r117661:120450).
6535
6536 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6537
6538         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6539         at the first declaration outside the varying loop, instantiate as
6540         far as possible.
6541         * tree-chrec.c (for_each_scev_op): New.
6542         * tree-chrec.h (for_each_scev_op): Declared.
6543         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6544         * tree-data-ref.c (get_references_in_stmt,
6545         find_data_references_in_stmt): New, from trunk.
6546         (find_data_references_in_loop): Use get_references_in_stmt
6547         and find_data_references_in_loop, modified as in trunk.
6548         (build_access_matrix_with_af): New.
6549         * tree-data-ref.h (data_reference): Add a field access_matrix.
6550         (data_ref_loc): New, as in trunk.
6551         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6552         invariant_in_scop_p, param_index, scan_tree_for_params,
6553         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6554         idx_record_param, idx_record_params, build_access_matrix,
6555         build_scop_data_accesses, build_scop_canonical_schedules,
6556         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6557         build_scop_params): New.
6558         * graphite.h (graphite_bb): New.
6559         (scop): Add fields static_schedule, params, loop_nest,
6560         iteration_domain.
6561         * lambda.h: Declare vecs of lambda_matrix.
6562         * tree-flow.h (print_loop_ir_bb): Declared.
6563         * tree-cfg.c (print_loop_ir_bb): New.
6564         (print_loop): Use print_loop_ir_bb.
6565
6566 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6567
6568         * Merge from mainline (r115016:117632).
6569
6570 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6571
6572         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6573         break due to a warning.
6574
6575 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6576
6577         * graphite.c (print_scops, debug_scops): New.
6578         (graphite_transform): Renamed graphite_find_transform.
6579         * graphite.h (debug_scops): Declared.
6580
6581 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6582
6583         * tree-match.c: Reformat following the GNU style.
6584         * tree-match.h: Reformat following the GNU style.
6585         * tree-pattern.h: Removed empty file.
6586         * Makefile.in: Remove references to tree-pattern.h.
6587         * tree-check.c: Reformat following the GNU style.
6588         (execute_tree_check): Move gate condition code to...
6589         (gate_tree_check): ...here.  New function.
6590         (pass_check): Use the gate function.
6591
6592 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6593
6594         * tree-pattern.h: New. Tree pattern matching and checking using
6595         concrete syntax.
6596         * tree-check.c: New. Tree/CFG checking pass.
6597         * tree-match.c: New. Library for tree pattern matching.
6598         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6599         * toplev.c, flags.h: Add globals for tree-check pass.
6600         * Makefile.in: Integrate the files in tree-check pass.
6601         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6602         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6603         Introduce a "lazy" pretty-print mode.
6604         * tree.c, tree.h: Add tree_name.
6605
6606 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6607
6608         * doc/invoke.texi (-fgraphite): Correct typo.
6609         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6610         use of print_loop_ir.
6611         * testsuite/gcc.dg/graphite/scop-1.c: New.
6612         * testsuite/gcc.dg/graphite/scop-2.c: New.
6613         * testsuite/gcc.dg/graphite/graphite.exp: New.
6614         * graphite.c: Include domwalk.h.
6615         (print_scop): Print only the entry and exit blocks.
6616         (debug_scop): No longer static.
6617         (affine_expr): Fix formating.  Return also true when the expression is
6618         constant.
6619         (stmt_simple_for_scop_p): Fix formating.
6620         (build_scops): Use domwalk.
6621         (get_loop_start, end_scop, test_for_scop_bound): New.
6622         (graphite_transform_loops): Avoid printing on stderr.
6623         * graphite.h (debug_scop): Declared.
6624         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6625         * Makefile.in (graphite.o): Depend on domwalk.h.
6626         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6627         declarations for static functions.
6628         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6629         controlling output verbosity.
6630
6631 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6632             Plesco Alexandru  <shurikx@gmail.com>
6633
6634         * doc/invoke.texi (-fgraphite): Document.
6635         * tree-pass.h (pass_graphite_transforms): Declared.
6636         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6637         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6638         (pass_graphite_transforms): Defined.
6639         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6640         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6641         * graphite.c, graphite.h: New.
6642         * common.opt (fgraphite): Declared.
6643         * tree-flow.h (graphite_transform_loops): Declared.
6644         * Makefile.in (OBJS-common): Add graphite.o.
6645         (graphite.o): New rule.
6646         * passes.c (pass_graphite_transforms): Scheduled.
6647