gcc/ChangeLog.graphite

   1 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42732
   4         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
   5         rename_nb_iterations.
   6         * sese.c (rename_variables_in_operand): New.
   7         (rename_variables_in_expr): New.
   8         (rename_nb_iterations): New.
   9         (sese_adjust_liveout_phis): Update the rename_map.
  10         * sese.h (rename_nb_iterations): Declared.
  11         * tree-scalar-evolution.c (scev_reset_htab): New.
  12         (scev_reset): Call scev_reset_htab.
  13         * tree-scalar-evolution.h (scev_reset_htab): Declared.
  14
  15         * testsuite/gfortran.dg/graphite/pr42732.f: New.
  16
  17 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         PR middle-end/42393
  20         * graphite-clast-to-gimple.c: Fix formatting.
  21         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
  22         (expr_defined_in_loop_p): New.
  23         (add_loop_exit_phis): Also handle full expressions: remove from
  24         the rename_map the expressions defined in the loop that we're closing.
  25
  26         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
  27         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
  28         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
  29         make this testcase useful in the Graphite branch.
  30
  31 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  32
  33         * graphite-scop-detection.c (exclude_component_ref): Removed.
  34         (is_simple_operand): Removed.
  35         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
  36
  37 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         PR middle-end/42221
  40         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  41         the array indexing of ADDR_EXPRs.
  42
  43         * testsuite/gcc.dg/graphite/pr42221.c: New.
  44
  45 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  46
  47         PR middle-end/42521
  48         * graphite.c (graphite_finalize): Call scev_reset.
  49         (graphite_transform_loops): Do not call scev_reset between the code
  50         generation of scops.
  51
  52         * testsuite/gcc.dg/graphite/pr42521.c: New.
  53
  54 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-interchange.c (memory_stride_in_loop): Renamed
  57         pdr_stride_in_loop.
  58         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
  59         (memory_strides_in_loop): Memoize the memory strides per loop.
  60         (lst_interchange_profitable_p): Do not initialize to zero the memory
  61         strides.
  62         * graphite-poly.h (struct lst): Add a field memory_strides.
  63         (LST_LOOP_MEMORY_STRIDES): New.
  64         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  65         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  66
  67 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  70         memory_strides_in_loop.  Gather memory strides on a whole loop.
  71         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  72         (lst_interchange_profitable_p): Removed.
  73         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  74
  75 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  76
  77         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
  78         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
  79         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
  80         Remove context_loop and level.
  81
  82 2010-01-07  Richard Guenther  <rguenther@suse.de>
  83
  84         PR tree-optimization/42641
  85         * sese.c (rename_map_elt_info): Use the SSA name version, do
  86         not hash pointers.
  87
  88 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
  91         blocked" only when both the strip mine and the interchange have
  92         been applied.
  93
  94         * testsuite/gcc.dg/graphite/block-2.c: Removed.
  95         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
  96         * testsuite/gcc.dg/graphite/block-4.c: Same.
  97         * testsuite/gcc.dg/graphite/block-5.c: Same.
  98         * testsuite/gcc.dg/graphite/block-6.c: Same.
  99
 100 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 103         before allocating a new one.
 104         (copy_renames): Check that slot is not NULL.
 105         (mark_bb_with_pbb): Same.
 106         (compute_cloog_iv_types_1): Same.
 107         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 108         nest, and after LSTs.
 109         (lst_try_interchange_loops): Same.
 110
 111 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 112
 113         PR middle-end/42178
 114         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 115         the before, nest, and after LSTs.
 116         (lst_try_interchange): Removed.
 117         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 118         were modified.
 119         (lst_interchange_select_outer): Apply interchange on the outer loop
 120         until there are no more changes in the inner loops.
 121
 122 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         Revert patch fixing PR middle-end/42221.
 125
 126 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         PR middle-end/42180
 129         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 130         GIMPLE_CALL.
 131
 132         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 133
 134 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 135
 136         PR middle-end/42180
 137         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 138         that contain only one statement.
 139
 140         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 141
 142 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         PR middle-end/42393
 145         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 146
 147 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         PR middle-end/42186
 150         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 151
 152 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 153
 154         PR middle-end/42205
 155         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 156         Insert the reduction copy in the same block as the phi node.
 157         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 158
 159         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 160         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 161
 162 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 163
 164         PR middle-end/42221
 165         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 166         the array indexing of ADDR_EXPRs.
 167
 168         * testsuite/gcc.dg/graphite/pr42221.c: New.
 169
 170 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 171
 172         PR middle-end/42178
 173         PR middle-end/42334
 174         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 175         index.  Call lst_interchange_select_inner only once.
 176         (lst_interchange_select_inner): Update use of lst_try_interchange.
 177         (lst_interchange_select_outer): Update.
 178
 179 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         PR middle-end/42178
 182         PR middle-end/42334
 183         * graphite-interchange.c (lst_try_interchange): Do not increment the
 184         the OUTER index when there is no AFTER kernel.  Do not increment the
 185         OUTER index for after processing the AFTER kernel.
 186         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 187         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 188         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 189         (scop_do_interchange): Update use of lst_interchange_select_outer.
 190
 191         * testsuite/gfortran.dg/graphite/graphite.exp
 192         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 193         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 194         the graphite dump file.
 195         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 196         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 197
 198 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         PR middle-end/42178
 201         PR middle-end/42334
 202         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 203         that are empty.
 204         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 205         (lst_try_interchange): Reimplemented.
 206         (lst_interchange_select_inner): Same.
 207         (lst_do_interchange): Renamed lst_interchange_select_outer.
 208         Reimplemented.
 209         (scop_do_interchange): Update use of lst_interchange_select_outer.
 210
 211         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 212         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 213         * testsuite/gcc.dg/graphite/pr42211.c: New.
 214         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 215
 216 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         PR middle-end/42181
 219         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 220         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 221
 222         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 223
 224 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 225
 226         PR middle-end/42284
 227         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 228         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 229         (detect_commutative_reduction_arg): Simplified.
 230         (detect_commutative_reduction): Early return when the argument of
 231         the close phi is not of an SSA_NAME.
 232
 233         * testsuite/gcc.dg/graphite/pr42284.c: New.
 234
 235 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 236
 237         * dbgcnt.def (graphite_scop): New counter.
 238         * graphite.c: Include dbgcnt.h
 239         (graphite_transform_loops): Use new counter to limit transformations.
 240
 241 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 242
 243         PR middle-end/42285
 244         * graphite-scop-detection.c (graphite_can_represent_init): Also
 245         handle more complex MULT_EXPRs containing parameters by recursion
 246         on the structure.
 247
 248         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 249
 250 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 251
 252         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 253
 254 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 255
 256         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 257
 258 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 259
 260         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 261         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 262
 263 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 264
 265         PR middle-end/42130
 266         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 267         translate_clast_for_loop): New.
 268         (translate_clast_for): Add a condition around the loop, to do not
 269         execute loops with zero iterations.
 270         * testsuite/g++.dg/graphite/pr42130.C: New.
 271         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 272
 273 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 274
 275         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 276         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 277         Remove context_loop and level.
 278
 279 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 280
 281         * graphite-clast-to-gimple.c (translate_clast_user,
 282         translate_clast_for, translate_clast_guard): Simplify and move common
 283         elements to translate_clast().
 284         (translate_clast): Simplify and get common elements.
 285
 286 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 287
 288         * graphite-clast-to-gimple.c (translate_clast_user,
 289         translate_clast_for, translate_clast_guard): Split out of
 290         translate_clast.
 291
 292 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 293
 294         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 295         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 296         debug_clast_name_indexes_1, debug_clast_name_indexes,
 297         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 298         (clast_name_to_gcc, clast_to_gcc_expression,
 299         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 300         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 301         graphite_create_guard_cond_expr, graphite_create_new_loop,
 302         translate_clast): Add params_index.
 303         (initialize_cloog_names): Create parameter strings from scratch, do
 304         not reference other strings.
 305         (create_params_index): New.
 306         (gloog): Initialize params_index.
 307         * graphite-scop-detection (free_scops_1): Removed.
 308         (limit_scops): Use normal free_scops.
 309         * graphite-sese-to-poly.c (save_var_names): Removed.
 310         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 311         and SESE_PARAMS_INDEX.
 312         * sese.c (new_sese, free_sese): Dito.
 313         * sese.h (struct sese): Remove params_index, params_names.
 314         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 315
 316 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 317
 318         Revert the following patch from 2009-09-14:
 319         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 320         tree-scalar-evolution.h, and then tree-data-ref.h.
 321         * graphite-clast-to-gimple.c: Same.
 322         * graphite-dependences.c: Same.
 323         * graphite-interchange.c: Same.
 324         * graphite-poly.c: Same.
 325         * graphite-scop-detection.c: Same.
 326         * graphite-sese-to-poly.c: Same.
 327         * graphite.c: Same.
 328         * lambda-code.c: Same.
 329         * matrix-reorg.c: Same.
 330         * tree-data-ref.c: Same.
 331         * tree-if-conv.c: Same.
 332         * tree-loop-distribu: Same.: Same.
 333         * tree-loop-linear.c: Same.
 334         * tree-parloops.c: Same.
 335         * tree-predcom.c: Same.
 336         * tree-vect-patterns.c: Same.
 337
 338 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         Revert patch from 2009-09-14.
 341         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 342         passes at -O1 and below.
 343
 344 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         PR middle-end/40281
 347         * testsuite/gcc.dg/graphite/pr40281.c: New.
 348
 349         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 350         evolutions should not variate in inner loops.
 351
 352 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 353
 354         PR middle-end/42050
 355         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 356
 357 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 358
 359         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 360         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 361
 362 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 363
 364         * graphite-blocking.c (scop_do_block): New.
 365         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 366         * graphite-poly.h (scop_do_block): Declared.
 367
 368 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 369
 370         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 371         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 372         to transform depth into the time_depth before calling
 373         pbb_number_of_iterations_at_time.
 374         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 375         lst_depth.
 376
 377 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         Reverted the patch for "scattering permutations" from 2009-10-28.
 380
 381         * graphite-poly.c (print_permutation): New.
 382         (debug_permutation): New.
 383         (new_poly_bb): Initialize PBB_PERMUTATION.
 384         (free_poly_bb): Free PBB_PERMUTATION.
 385         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 386         (struct pbb_permutation_elt): New.
 387         (PBB_PERMUTATION_ELT_STRIDE): New.
 388         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 389         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 390         (new_pbb_permutation_elt): New.
 391         (pbb_permutation_elt_free): New.
 392         (struct poly_bb): Add field permutation.
 393         (PBB_PERMUTATION): New.
 394         (print_permutation): Declared.
 395         (debug_permutation): Declared.
 396
 397 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 398
 399         * graphite-interchange.c (build_partial_difference): New.
 400         (memory_stride_in_loop): Refactored the computation of
 401         equality constraints into build_partial_difference function.
 402         Added support for debugging stride computations.
 403
 404 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 405
 406         * graphite-clast-to-gimple.c (gloog): Free if_region,
 407         if_region->true_region, and if_region->region.
 408         * sese.c (if_region_set_false_region): Free if_region->false_region.
 409         (create_if_region_on_edge): Do not use GGC_NEW.
 410         (move_sese_in_condition): Remove useless initialization.
 411
 412 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 413
 414         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 415         for the loops created by the loop distribution.  Do not modify the
 416         input LSTs.
 417         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 418         transformed schedule.  Call lst_update_scattering before data
 419         dependence analysis.
 420         (lst_try_interchange): Pass an extra parameter INDEX.
 421         (lst_do_interchange_1): New.
 422         (lst_do_interchange): Call lst_do_interchange_1.
 423         (scop_do_interchange): Call lst_update_scattering.
 424         * graphite-poly.c (apply_poly_transforms): Do not call
 425         lst_update_scattering.
 426         * graphite-poly.h (lst_pred): New.
 427         (lst_succ): New.
 428         (lst_find_first_pbb): Return NULL when not found.
 429         (lst_empty_p): New.
 430         (lst_insert_in_sequence): Allow LST1 to be NULL.
 431         (lst_replace): New.
 432         (lst_substitute_3): New.
 433         * gcc.dg/graphite/interchange-1.c: XFail.
 434         * gcc.dg/graphite/interchange-8.c: XFail.
 435         * gcc.dg/graphite/interchange-11.c: XFail.
 436
 437 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * graphite-interchange.c (lst_perfectly_nested_p): New.
 440         (lst_perfect_nestify): New.
 441         (lst_try_interchange_loops): Call store_lst_schedule,
 442         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 443         (scop_do_interchange): Avoid redundant legality test.
 444         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 445         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 446         * graphite-poly.h (psct_static_dim): New.
 447         (lst_dewey_number_at_depth): New.
 448         (lst_find_pbb): Restructured.
 449         (lst_find_first_pbb): Restructured.
 450         (lst_find_last_pbb): New.
 451         (lst_contains_p): New.
 452         (lst_contains_pbb): New.
 453         (lst_create_nest): New.
 454         (lst_remove_from_sequence): New.
 455         (pbb_update_scattering): New.
 456         (lst_update_scattering_under): New.
 457         (lst_update_scattering_seq): New.
 458         (lst_update_scattering): New.
 459         (lst_insert_in_sequence): New.
 460         (lst_distribute_lst): New.
 461         (lst_remove_all_before_including_pbb): New.
 462         (lst_remove_all_before_excluding_pbb): New.
 463
 464 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 465
 466         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 467         get_loop_exit_edges.
 468
 469 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 472
 473 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 474
 475         * graphite-poly.c (print_permutation): New.
 476         (debug_permutation): New.
 477         (new_poly_bb): Initialize PBB_PERMUTATION.
 478         (free_poly_bb): Free PBB_PERMUTATION.
 479         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 480         (struct pbb_permutation_elt): New.
 481         (PBB_PERMUTATION_ELT_STRIDE): New.
 482         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 483         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 484         (new_pbb_permutation_elt): New.
 485         (pbb_permutation_elt_free): New.
 486         (struct poly_bb): Add field permutation.
 487         (PBB_PERMUTATION): New.
 488         (print_permutation): Declared.
 489         (debug_permutation): Declared.
 490
 491 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * graphite-clast-to-gimple.c (gloog): Do not call
 494         sese_reset_aux_in_loops.
 495         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 496         extra argument for domains.  Do not use loop->aux.
 497         (build_scop_iteration_domain): Initialize and free domains, pass it
 498         to build_loop_iteration_domains and extract the information from
 499         domains.  Do not use loop->aux.
 500         * sese.c (sese_reset_aux_in_loops): Removed.
 501         * sese.h (sese_reset_aux_in_loops): Removed.
 502
 503 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 506         (dependency_in_loop_p): Same.
 507         (translate_clast): Do not use loop->aux.  Initialize
 508         loop->can_be_parallel.
 509         (mark_loops_parallel): Removed.
 510         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 511         * graphite.c (free_aux_in_new_loops): Removed.
 512         (graphite_finalize): Do not call free_aux_in_new_loops.
 513         (graphite_transform_loops): Do not call mark_loops_parallel.
 514
 515 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 516
 517         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 518         (translate_clast): Pass an extra parameter LEVEL.
 519         Call get_scattering_level.
 520         * graphite-clast-to-gimple.h (get_scattering_level): New.
 521
 522 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 525         * cfgloop.h (struct loop): New field single_iv.
 526
 527         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 528         loop->aux anymore: use loop->single_iv.
 529         (graphite_loop_normal_form): Moved...
 530         (build_graphite_loop_normal_form): Removed.
 531         (gloog): Do not call build_graphite_loop_normal_form.
 532         (free_aux_in_new_loops): Moved...
 533         (mark_loops_parallel): Restructure.
 534         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 535         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 536         (scop_canonicalize_loops): New.
 537         (build_poly_scop): Call scop_canonicalize_loops.
 538         * graphite.c (free_aux_in_new_loops): ...here.
 539
 540 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * g++.dg/graphite/graphite.exp: Add the same rules as in
 543         gcc.dg/graphite/graphite.exp.
 544
 545 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * g++.dg/graphite/id-1.C: New.
 548
 549 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 552         argument base_name.
 553         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 554         (rewrite_phi_out_of_ssa): Same.
 555         (rewrite_cross_bb_scalar_deps): Same.
 556         (translate_scalar_reduction_to_array): Same.
 557
 558 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 561         dump_alias_graphs.
 562
 563 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 564
 565         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 566         (build_scop_drs): Call dump_alias_graphs.
 567
 568 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 571         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 572         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 573         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 574         * graphite-poly.h (free_lst): New.
 575         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 576         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 577
 578 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         * graphite-poly.h (struct scop): Add a field saved_schedule.
 581         (SCOP_SAVED_SCHEDULE): New.
 582         (store_lst_schedule): New.
 583         (restore_lst_schedule): New.
 584         (store_scattering): Call store_lst_schedule.
 585         (restore_scattering): Call restore_lst_schedule.
 586
 587 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 590         (pdr_add_alias_set): Same.
 591         (build_poly_dr): Same.
 592         (build_alias_set_optimal_p): Same.
 593         (build_base_obj_set_for_drs): Same.  Do not store the result of
 594         graphds_dfs.
 595
 596 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 599         all_components_are_cliques to 1.
 600
 601 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 602
 603         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 604         the new structure.
 605         (pdr_add_alias_set): Update retrieving alias_set_num.
 606         (build_poly_dr): Update retrieving dr_base_object_set.
 607         (partition_drs_to_sets): Remove.
 608         (build_alias_set_optimal_p): New.
 609         (build_alias_set_for_drs): Rename.
 610         (build_scop_drs): Update.
 611         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 612         (ALIAS_SET_INDEX): Remove.
 613         (BASE_OBJECT_SET_INDEX): Remove.
 614
 615 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 616
 617         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 618
 619 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 622         loop upper bounds for 1-element arrays at end of structures.
 623         * tree-flow.h (array_at_struct_end_p): Declared.
 624         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 625
 626 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 627
 628         * g++.dg/graphite/pr41305.C: New.
 629
 630 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 631
 632         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 633         construction of parameter constraints from loop iteration analysis.
 634         * gcc.dg/graphite/run-id-2.c: New test.
 635
 636 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 639         and new_cstr.
 640
 641 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 642
 643         * graphite-dependences.c (dependence_polyhedron_1): Remove
 644         unused gdim dimensions from the DDR polyhedron.
 645
 646 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 647
 648         * graphite-dependences.c (pddr_transformed_scattering): New.
 649         (dot_original_deps_stmt_1): New.
 650         (dot_transformed_deps_stmt_1): New.
 651         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 652         dot_transformed_deps_stmt_1.
 653         (dot_original_deps): New.
 654         (dot_transformed_deps): New.
 655         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 656
 657 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 658
 659         * graphite-dependences.c (reduction_dr_1): Remove wrong
 660         assert: reduction BBs can have multiple reduction writes
 661         to memory.  interchange-3.f90 is an example.
 662
 663 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * gfortran.dg/graphite/interchange-3.f90: New.
 666
 667 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 670
 671 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-dependences.c (dependence_polyhedron_1): Add the
 674         context to the dependence polyhedron.
 675
 676 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 679         PBB_PDR_DUPLICATES_REMOVED.
 680         (new_poly_bb): Same.
 681
 682 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 685         SCOP_CONTEXT.
 686         (build_loop_iteration_domains): Extract bounds on parameters
 687         based on the data size.
 688         (build_scop_context): Do not initialize SCOP_CONTEXT;
 689         add new constraints.
 690
 691 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 694         * graphite-ppl.h (graphite-ppl.h): Declared.
 695
 696 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * graphite-ppl.c (ppl_print_linear_expr): New.
 699         (debug_ppl_linear_expr): New.
 700         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 701         (debug_ppl_linear_expr): Declared.
 702
 703 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * graphite-interchange.c: Fix comments.
 706         * gcc.dg/graphite/block-1.c: Fix comments.
 707
 708 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 709
 710         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 711         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 712
 713 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 714
 715         Reapply the patch from Alexander Monakov that disappeared during
 716         the last merges from trunk.
 717
 718         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 719
 720         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 721         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 722
 723 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-interchange.c (memory_stride_in_loop): The depth
 726         argument corresponds to a dynamic time dimension, so use
 727         psct_dynamic_dim to refer to the transformed scattering dimension.
 728
 729 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 732
 733 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 736         root of the LST.
 737         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 738         the root of the LST.
 739         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 740         fake loop.
 741         (print_lst): Print the root of LST in a different format.
 742         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 743
 744 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 747
 748 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * doc/passes.texi: Document the Graphite infrastructure.
 751
 752 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 755         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 756         and check the SSA representation.
 757
 758         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 759
 760 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 761
 762         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 763
 764 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * gcc.dg/graphite/interchange-11.c: New.
 767
 768 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 771
 772 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 773
 774         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 775         Add -fno-loop-strip-mine and -fno-loop-interchange.
 776         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 777         -fno-loop-strip-mine.
 778         * gfortran.dg/graphite/graphite.exp: Same.
 779
 780 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 781
 782         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 783         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 784         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 785         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 786         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 787         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 788         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 789         DEFAULT_FLAGS_GRAPHITE_SCOP.
 790         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 791         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 792
 793 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 794
 795         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 796
 797 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 798             Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-interchange.c (build_linearized_memory_access): Pass an
 801         offset as parameter.
 802         (memory_stride_in_loop): Include transform scattering in the
 803         access functions to be able to querry the strides in the
 804         transformed loops.
 805         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 806         not the psct_iterator_dim.
 807
 808 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 809
 810         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 811         (lst_do_strip_mine_loop): New.
 812         (lst_do_strip_mine): New.
 813         (scop_do_strip_mine): Call lst_do_strip_mine.
 814         * graphite-poly.h (lst_add_loop_under_loop): New.
 815         (lst_find_first_pbb): New.
 816
 817 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 818
 819         * graphite-poly.c (loop_to_lst): Fix LST creation.
 820
 821 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 822
 823         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 824         sizeof(unsigned long) to make it run on 32bit systems.
 825
 826 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 827
 828         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 829         SEGFAULT on 32bit.
 830
 831 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 832
 833         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 834         Comment.
 835         (write_alias_graph_to_ascii_dot): New.
 836         (write_alias_graph_to_ascii_ecc): Ditto.
 837         (partition_drs_to_sets): Add testing of optimality of current method
 838         which assigns alias numbers according to DFS Comopnent number.  used
 839         as heuristic for the upcoming ECC algorithm.
 840         (build_scop_drs): Write to file also with the ecc and dot format.
 841
 842 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * gfortran.dg/graphite/interchange-1.f: XFail.
 845
 846 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * graphite.c (graphite_initialize): Do not handle functions with
 849         more than 100 basic blocks.
 850
 851 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 852
 853         * graphite-blocking.c (pbb_do_strip_mine): Use
 854         PARAM_LOOP_BLOCK_TILE_SIZE.
 855
 856 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 857
 858         * graphite-poly.c (dot_lst_1): New.
 859         (dot_lst): New.
 860         * graphite-poly.h (dot_lst): Declared.
 861
 862 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         * graphite-dependences.c (dot_deps_stmt_1): New.
 865         (dot_deps_stmt): New.
 866         * graphite-dependences.h (dot_deps_stmt): Declared.
 867
 868 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 871         not replace cross BB scalar dependences ending on PHI nodes.
 872         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 873
 874 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 875
 876         * graphite-poly.c (apply_poly_transforms): Implement the high
 877         level driver for flag_loop_block.
 878         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 879         flag_loop_block.
 880
 881         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 882         -floop-block.
 883         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 884         Add -floop-block.
 885
 886 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 887
 888         * graphite-poly.h (lst_find_pbb): New.
 889         (find_lst_loop): New.
 890
 891 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 894         * graphite-poly.h (struct scop): Remove dep_graph field.
 895         (SCOP_DEP_GRAPH): Removed.
 896
 897 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * graphite-poly.h (copy_lst): Do full copy of LST.
 900
 901 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 904         when the loop stride is zero.
 905
 906         * gcc.dg/graphite/id-16.c: New.
 907
 908 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 909
 910         * graphite-dependences.c (reduction_dr_1): New.
 911         (reduction_dr_p): New.
 912         (graphite_legal_transform_dr): Call reduction_dr_p.
 913         (reduction_ddr): Renamed reduction_ddr_p.
 914         * graphite-poly.h (same_pdr_p): New.
 915         (number_of_write_pdrs): New.
 916         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 917         (split_reduction_stmt): Do not split reduction statements
 918         when there are no writes to memory.
 919         (translate_scalar_reduction_to_array_for_stmt): Insert the
 920         memory reduction statement just after the scalar reduction statement.
 921
 922         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 923         Un-XFAIL-ed.
 924         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 925         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 926
 927 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-interchange.c (lst_apply_interchange): New.
 930         (lst_interchange_profitable_p): New.
 931         (lst_try_interchange_loops): New.
 932         (lst_try_interchange): New.
 933         (lst_do_interchange): New.
 934         (pbb_do_interchange): Removed.
 935         (scop_do_interchange): Call lst_do_interchange.
 936
 937 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 940         SCOP_TRANSFORMED_SCHEDULE.
 941         (loop_to_lst): New.
 942         (scop_to_lst): New.
 943         (print_lst): New.
 944         (debug_lst): New.
 945         * graphite-poly.h (lst_p): New.
 946         (struct lst): New.
 947         (LST_LOOP_P): New.
 948         (LST_LOOP_FATHER): New.
 949         (LST_PBB): New.
 950         (LST_SEQ): New.
 951         (scop_to_lst): Declared.
 952         (print_lst): Declared.
 953         (debug_lst): Declared.
 954         (new_lst_loop): New.
 955         (new_lst_stmt): New.
 956         (copy_lst): New.
 957         (lst_depth): New.
 958         (lst_dewey_number): New.
 959         (struct scop): Add original_schedule and transformed_schedule fields.
 960         (SCOP_ORIGINAL_SCHEDULE): New.
 961         (SCOP_TRANSFORMED_SCHEDULE): New.
 962         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 963
 964 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 965
 966         * graphite-dependences.c (reduction_ddr): New.
 967         (graphite_legal_transform_bb): Call reduction_ddr.
 968         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 969         Initialize PBB_IS_REDUCTION.
 970         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 971         (PBB_IS_REDUCTION): New.
 972         (new_poly_bb): Update declaration.
 973         * graphite-scop-detection.h (build_scop_bbs): Removed.
 974         (nb_reductions_in_loop): Removed.
 975         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 976         parameter for reductions.
 977         (try_generate_gimple_bb): Update call to new_poly_bb.
 978         (build_scop_bbs_1): Same.
 979         (build_scop_bbs): Same.
 980         (gsi_for_phi_node): New.
 981         (scalar_close_phi_node_p): Remove gcc_assert.
 982         (split_reduction_stmt): New.
 983         (is_reduction_operation_p): New.
 984         (phi_contains_arg): New.
 985         (follow_ssa_with_commutative_ops): New.
 986         (detect_commutative_reduction_arg): New.
 987         (detect_commutative_reduction_assign): New.
 988         (follow_inital_value_to_phi): New.
 989         (edge_initial_value_for_loop_phi): New.
 990         (initial_value_for_loop_phi): New.
 991         (detect_commutative_reduction): New.
 992         (translate_scalar_reduction_to_array_for_stmt): New.
 993         (insert_copyout): New.
 994         (insert_copyin): New.
 995         (translate_scalar_reduction_to_array): New.
 996         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 997         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 998         (rewrite_commutative_reductions_out_of_ssa): New.
 999         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1000         * sese.h (split_region_for_bb): New.
1001
1002         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1003         * gcc.dg/graphite/interchange-1.c: Fix format.
1004         * gcc.dg/graphite/interchange-10.c: New.
1005
1006 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1009         buggy assert.
1010
1011 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1014         (rewrite_cross_bb_scalar_dependence): New.
1015         (rewrite_cross_bb_scalar_deps): New.
1016         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1017         Call rewrite_cross_bb_scalar_deps.
1018
1019 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1022         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1023         gsi_for_stmt.
1024
1025 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1026
1027         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1028         * graphite-interchange.c (pbb_do_interchange): Same.
1029         * graphite-poly.c (print_scattering_function): Same.
1030         (debug_pdrs): Same.
1031         * graphite-poly.h (pbb_loop): New.
1032         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1033
1034 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1037
1038 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1039
1040         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1041         so don't pass a pointer to it.
1042         (build_alias_set_for_drs): Same.
1043         (build_base_obj_set_for_drs): Same.
1044         (build_scop_drs): Same.
1045
1046 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1047
1048         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1049         the alias graph of data references.
1050
1051 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1052
1053         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1054         (build_scop_drs): When debugging, write the alias graph to file,
1055         otherwise, should be disabled.
1056
1057 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1058
1059         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1060         (is_simple_operand): Remove call to stmt_simple_memref_p.
1061         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1062
1063 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1064
1065         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1066         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1067         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1068         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1069         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1070
1071 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1072
1073         PR middle-end/41118
1074         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1075         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1076         (graphite_carried_dependence_level_k): Ditto.
1077         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1078         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1079         (new_poly_dr): Adjust declaration.
1080         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1081         (free_gimple_bb): Added free_data_refs_aux.
1082         (build_poly_dr): Add dr_base_object_set.
1083         (partition_drs_to_sets): New.
1084         (dr_same_base_object_p): New.
1085         (build_alias_set_for_drs): New.
1086         (build_base_object_set_for_drs): New.
1087         (build_scop_drs): Add build_base_obj_set_for_drs.
1088         * graphite-sese-to-poly.h: Added #define for alias set number index and
1089         base object set index.
1090         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1091         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1092
1093 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1094
1095         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1096         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1097
1098 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1099
1100         * graphite-sese-to-poly.c (struct irp_data): Removed.
1101         (idx_record_params): Removed.
1102         (find_params_in_bb): Scan for parameters the access functions; don't
1103         parse the tree representation.
1104
1105 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1108         passes at -O1 and below.
1109
1110 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1111
1112         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1113         tree-scalar-evolution.h, and then tree-data-ref.h.
1114         * graphite-clast-to-gimple.c: Same.
1115         * graphite-dependences.c: Same.
1116         * graphite-interchange.c: Same.
1117         * graphite-poly.c: Same.
1118         * graphite-scop-detection.c: Same.
1119         * graphite-sese-to-poly.c: Same.
1120         * graphite.c: Same.
1121         * lambda-code.c: Same.
1122         * matrix-reorg.c: Same.
1123         * tree-data-ref.c: Same.
1124         * tree-if-conv.c: Same.
1125         * tree-loop-distribu: Same.: Same.
1126         * tree-loop-linear.c: Same.
1127         * tree-parloops.c: Same.
1128         * tree-predcom.c: Same.
1129         * tree-vect-patterns.c: Same.
1130
1131 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         Partially revert the previous patch, except the following.
1134         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1135         as parameters the operands of the not expression.
1136
1137 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1140         Do not call analyze_scalar_evolution on assignments.
1141         (instantiate_scev_phi): Call analyze_scalar_evolution.
1142         (instantiate_scev_name): Call instantiate_scev_assign and
1143         instantiate_scev_phi.
1144         (instantiate_scev_not): Adapted to pass as parameters the operands
1145         of the not expression.
1146
1147 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1148
1149         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1150         to pass as parameters the operands of the binary expression.
1151
1152 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1155         instantiate_scev_not.  Handle NEGATE_EXPR.
1156         (instantiate_scev_r): Handle NEGATE_EXPR.
1157
1158 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1161         instantiate_scev_r.
1162         (instantiate_scev_r): Move code in instantiate_scev_2
1163         and instantiate_scev_1.
1164
1165 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * tree-scalar-evolution.c (instantiate_scev_3): New.
1168         (instantiate_scev_1): Move code in instantiate_scev_3.
1169
1170 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1173         (instantiate_scev_1): Move code in instantiate_scev_poly.
1174
1175 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1178         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1179
1180 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1183         (instantiate_scev_1): Move code in instantiate_scev_convert.
1184
1185 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1188         (instantiate_scev_1): Move code in instantiate_scev_binary.
1189
1190 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * tree-scalar-evolution.c (instantiate_scev_name): New.
1193         (instantiate_scev_1): Move code in instantiate_scev_name.
1194
1195 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * Merge from mainline (150992:151171).
1198
1199 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1200
1201         * graphite-dependences.c (graphite_legal_transform_bb): Call
1202         pbb_remove_duplicate_pdrs.
1203         * graphite-poly.c (can_collapse_pdr): Removed.
1204         (pdr_find_duplicate): Removed.
1205         (can_collapse_pdrs): New.
1206         (pbb_remove_duplicate_pdrs): New.
1207         (new_poly_dr): Do not look for duplicates.
1208         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1209         (PBB_PDR_DUPLICATES_REMOVED): New.
1210         (pbb_remove_duplicate_pdrs): Declared.
1211
1212 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1215         the strides by multiplying by PDR_NB_REFS.
1216         * graphite-poly.c (can_collapse_pdr): New.
1217         (pdr_find_duplicate): New.
1218         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1219         Initialize PDR_NB_REFS.
1220         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1221         (PDR_NB_REFS): New.
1222         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1223
1224 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         Revert one of the previous commits:
1227         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1228         the computation of symmetric data dependence relations.
1229         (dependency_between_pbbs_p): Same.
1230
1231 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         PR middle-end/40965
1234         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1235         any transform.
1236
1237 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * graphite-dependences.c (pddr_original_scattering): Return NULL
1240         for read-read dependence relations.
1241         * graphite-poly.h (enum poly_dr_type): Fix comment.
1242         (pdr_read_p): New.
1243         (pdr_write_p): New.
1244         (pdr_may_write_p): New.
1245
1246 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1249         (struct poly_dr): Same.
1250         (new_poly_dr): Same.
1251         * graphite-poly.c (new_poly_dr): Same.
1252
1253 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1254             Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1257         pbb_strip_mine_time_depth.  Changed the implementation so that
1258         transformation is expressed as a transformation on
1259         time (scatttering) dimensions.  Also, ensures that the 2d+1
1260         scheduling format is preserved.
1261         (pbb_strip_mine_profitable_p): Profitability is based on the
1262         iteration number of a given time (scattering) dimension,
1263         and not on a original loop depth dimension.
1264         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1265         (pbb_do_strip_mine): Call psct_dynamic_dim.
1266         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1267         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1268         (pbb_nb_dynamic_scattering_transform): New.
1269         (psct_dynamic_dim): New.
1270
1271 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1272
1273         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1274         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1275         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1276         * graphite-interchange.c (build_linearized_memory_access): Same.
1277         (memory_stride_in_loop): Same.
1278
1279 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-dependences.c (pddr_original_scattering): New.
1282         (graphite_legal_transform_dr): Call pddr_original_scattering.
1283         (dot_deps_1): New.
1284         (dot_deps): New.
1285         * graphite-dependences.h (dot_deps): Declared.
1286         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1287         (print_pdr): Print PDR_ID.
1288         * graphite-poly.h (struct poly_dr): Add field id.
1289         (PDR_ID): New.
1290         (pbb_index): New.
1291         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1292
1293 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1296         not delete the original dependence relation.
1297
1298 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1299
1300         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1301         the computation of symmetric data dependence relations.
1302         (dependency_between_pbbs_p): Same.
1303
1304 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1307         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1308         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1309         (free_poly_ddr): New.
1310         (pddr_is_empty): New.
1311         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1312         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1313         Remove fprintfs.
1314         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1315         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1316         * graphite-dependences.h (enum poly_dependence_kind): New.
1317         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1318         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1319         (PDRP_SINK): Renamed PDDR_SINK.
1320         (PDRP_DDP): Renamed PDDR_DDP.
1321         (PDDR_KIND): New.
1322         (free_poly_ddr): Declared.
1323         * graphite-poly.c (new_scop): Use the new hash function names.
1324         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1325         into original_pddrs.
1326         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1327
1328 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1329
1330         * Merge from mainline (150764:150992).
1331
1332 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1335         bounds with LT_EXPR to make niter analysis more precise on code
1336         generated by Graphite.
1337
1338 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1341         (graphite_legal_transform_bb): Same.
1342         (poly_drs_may_alias_p): Same.
1343
1344 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         PR middle-end/40981
1347         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1348         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1349
1350 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1351
1352         * graphite-poly.c (print_pbb): Print PBB index.
1353
1354 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * Merge from mainline (r150672:150764).
1357
1358 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-interchange.c (ppl_max_for_le): Moved...
1361         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1362         * graphite-ppl.c (ppl_max_for_le): ... here.
1363         * graphite-ppl.h (ppl_max_for_le): Declared.
1364
1365 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * Merge from mainline (r150372:150672).
1368
1369 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         PR middle-end/40980
1372         * sese.c (convert_for_phi_arg): New.
1373         (add_guard_exit_phis): Use convert_for_phi_arg.
1374
1375         * testsuite/gfortran.dg/graphite/id-17.f: New.
1376
1377 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1378
1379         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1380         unknown subscript upper bounds.
1381
1382         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1383
1384 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1385             Pranav Garg  <pranav.garg2107@gmail.com>
1386
1387         * graphite-interchange.c (gather_access_strides): Removed.
1388         (ppl_max_for_le): New.
1389         (build_linearized_memory_access): New.
1390         (memory_stride_in_loop): New.
1391         (pbb_interchange_profitable_p): Reimplemented.
1392         * graphite-ppl.h (ppl_new_id_map): New.
1393         (ppl_interchange): New.
1394
1395         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1396
1397 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-interchange.c (compute_subscript): Removed.
1400         (compute_array_size_cstr): Removed.
1401         (compute_array_size_poly): Removed.
1402         (compute_array_size): Removed.
1403         (gather_access_strides_poly): Removed.
1404         (gather_access_strides): Empty.
1405
1406 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         * graphite-dependences.c (dependence_polyhedron_1): Replace
1409         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1410         (graphite_legal_transform_dr): Same.
1411         (graphite_carried_dependence_level_k): Same.
1412         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1413         Initialize PDR_NB_SUBSCRIPTS.
1414         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1415         PDR_NB_SUBSCRIPTS.
1416         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1417         (PDR_NB_SUBSCRIPTS): New.
1418         (pdr_nb_subscripts): Removed.
1419         (pdr_dim): Simplified.
1420         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1421         with PDR_NB_SUBSCRIPTS.
1422
1423 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1424
1425         * graphite-interchange.c (compute_array_size): Remove use of
1426         PDR_DATA_CONTAINER.
1427         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1428         Do not initialize PDR_DATA_CONTAINER.
1429         (print_pdr): Do not print PDR_DATA_CONTAINER.
1430         * graphite-poly.h (struct poly_dr): Remove data_container field.
1431         (PDR_DATA_CONTAINER): Removed.
1432         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1433         PDR_DATA_CONTAINER.
1434         (build_poly_dr): Same.
1435
1436 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1439
1440 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1441             Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1444         copy of the dependence polyhedron.  Free the temporary objects.
1445         (graphite_carried_dependence_level_k): Free unused objects before
1446         returning.
1447
1448         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1449         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1450         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1451         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1452         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1453
1454 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1457         Early return without analyzing the data dependences if no
1458         transform has been done.  Call restore_scattering if the transform
1459         is not legal.
1460         (graphite-interchange.c): Same.
1461         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1462         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1463         (apply_poly_transforms): Do not gcc_assert that
1464         the transform is legal.
1465         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1466         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1467         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1468         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1469         * graphite-poly.h (struct poly_scattering): New.
1470         (struct poly_bb): Add original, transformed, and saved fields.
1471         Remove transformed_scattering, original_scattering, nb_local_variables,
1472         and nb_scattering_transform fields.
1473         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1474         (poly_scattering_new): New.
1475         (poly_scattering_free): New.
1476         (poly_scattering_copy): New.
1477         (store_scattering_pbb): New.
1478         (store_scattering): New.
1479         (restore_scattering_pbb): New.
1480         (restore_scattering): New.
1481         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1482         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1483
1484 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1485
1486         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1487         (print_scop): Same.
1488
1489 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * Makefile.in (graphite.o): Depends on PREDICT_H.
1492         * graphite.c: Include predict.h.
1493         (graphite_finalize): Call tree_estimate_probability.
1494         * predict.c (predict_loops): Do not call scev_initialize and
1495         scev_finalize.
1496         (tree_estimate_probability_bb): New.
1497         (tree_estimate_probability): Do not initialize loops: move that
1498         code to the driver.  Call tree_estimate_probability_bb.
1499         (tree_estimate_probability_driver): New.
1500         (pass_profile): Use tree_estimate_probability_driver.
1501         * predict.h (tree_estimate_probability): Declared.
1502
1503 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1504
1505         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1506         * graphite-dependences.c (graphite_legal_transform): Add time to
1507         TV_GRAPHITE_DATA_DEPS.
1508         (dependency_between_pbbs_p): Same.
1509         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1510
1511 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * Merge from mainline (r149952:150372).
1514
1515 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1516
1517         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1518         * graphite-blocking.c: Same.
1519         * graphite-clast-to-gimple.c: Same.
1520         * graphite-dependences.c: Same.
1521         * graphite-poly.c: Same.
1522         * graphite-poly.h: Same.
1523         * graphite-ppl.c: Same.
1524         * graphite-scop-detection.c: Same.
1525         * graphite-sese-to-poly.c: Same.
1526         * graphite.c: Same.
1527
1528 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1531         (remove_simple_copy_phi): New.
1532         (remove_invariant_phi): New.
1533         (simple_copy_phi_p): New.
1534         (reduction_phi_p): New.
1535         (gsi_for_ssa_name_def): New.
1536         (insert_out_of_ssa_copy): New.
1537         (insert_out_of_ssa_copy_on_edge): New.
1538         (create_zero_dim_array): New.
1539         (scalar_close_phi_node_p): New.
1540         (rewrite_close_phi_out_of_ssa): New.
1541         (rewrite_phi_out_of_ssa): New.
1542         (rewrite_reductions_out_of_ssa): New.
1543         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1544
1545         * testsuite/gcc.dg/graphite/id-11.c: New.
1546         * testsuite/gcc.dg/graphite/id-15.c: New.
1547         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1548         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1549         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1550         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1551         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1552         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1553         * testsuite/gfortran.dg/graphite/id-13.f: New.
1554         * testsuite/gfortran.dg/graphite/id-5.f: New.
1555
1556 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1559         check that nb_reductions_in_loop is zero.
1560         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1561         reduction phi nodes.
1562         (nb_reductions_in_loop): Removed.
1563         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1564         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1565         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1566         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1567         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1568
1569 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1572         statements that have an empty iteration domain.
1573         * testsuite/gfortran.dg/graphite/id-16.f: New.
1574
1575 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1576
1577         * tree-scalar-evolution.c (instantiate_scev_1): Return
1578         chrec_dont_know when the result is not above instantiate_below.
1579         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1580         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1581         the tree has a known scalar evolution.
1582         * testsuite/gfortran.dg/graphite/id-14.f: New.
1583         * testsuite/gfortran.dg/graphite/id-15.f: New.
1584
1585 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1588         insert_gsi.
1589         (rename_variables): Keep inserting renames after the ones already
1590         inserted.
1591
1592 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1593
1594         * graphite-sese-to-poly.c (compare_bb_depths): New.
1595         (graphite_sort_dominated_info): New.
1596         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1597         (build_scop_scattering): Fix comment.
1598
1599 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite.c (graphite_finalize): Call print_loops instead of
1602         dump_function_to_file.
1603         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1604         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1605         loops generated in the graphite output file.
1606         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1607         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1608         * testsuite/gfortran.dg/graphite/id-12.f: New.
1609
1610 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1611
1612         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1613         Remove 2 XFAIL.
1614
1615 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1616             Tobias Grosser  <grosser@fim.uni-passau.de>
1617
1618         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1619         alias set number build alias in ACCESSES polyhedron.
1620         (build_alias_set_for_drs): New.
1621         (build_pbb_drs): Added build_alias_set_for_drs.
1622         * graphite-dependences.c (poly_drs_may_alias_p): New.
1623         (graphite_carried_dependence_level_k): Check alias information
1624         before building polyhedron.
1625
1626 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1627
1628         * Makefile.in (lambda-code.o): Fix formatting.
1629
1630 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1631
1632         * Merge from mainline (r149350-149952)
1633
1634 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1635
1636         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1637         before interchange to prepare for loop blocking.
1638
1639 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1640
1641         * graphite-poly.c (apply_poly_transforms): Add checks after every
1642         transformation.
1643         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1644         done in apply_poly_transforms.
1645
1646 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1647
1648         * graphite-dependences.c (build_lexicographically_gt_constraint):
1649         Replace RES parameter with *RES.
1650         (dependence_polyhedron_1): Pass an address of the parameter RES
1651         instead of value of RES.
1652
1653 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         * graphite.c (graphite_finalize): Fix comment.
1656         (graphite_transform_loops): Reset scev info after code generation
1657         of each scop.
1658
1659 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * graphite.c (graphite_finalize): Call scev_reset.
1662
1663 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1666         GBB_CLOOG_IV_TYPES hash table twice.
1667         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1668         (add_condition_to_domain): Clear GMP values.
1669
1670 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1671
1672         * graphite-dependences.c: Fix formatting.
1673         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1674         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1675         * graphite-sese-to-poly.c: Fix formatting.
1676         * graphite.c (graphite_transform_loops): Create the hash table
1677         after the early return.
1678
1679 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1680
1681         * testsuite/gcc.dg/graphite/id-14.c: New.
1682         * testsuite/gcc.dg/graphite/pr40157.c: New.
1683         * testsuite/gfortran.dg/graphite/id-11.f: New.
1684
1685 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1688         (build_poly_scop): Return false when there are no pbbs within
1689         loops to avoid to pass to cloog scops with no loops.
1690
1691 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1694         useless test "i % 2".
1695         (build_pbb_scattering_polyhedrons): Fix formatting.
1696         (build_poly_dr): Same.
1697         * graphite.c (graphite_transform_loops): Restructure.
1698
1699 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1700
1701         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1702         reduction_list parameter.
1703         (rewrite_all_phi_nodes_with_iv): Same.
1704         (canonicalize_loop_ivs): Same.
1705         * tree-parloops.c (struct brli): Removed.
1706         (build_reduction_list_info): Removed.
1707         (build_new_reduction): New.
1708         (analyze_reduction_list): Removed.
1709         (gather_scalar_reductions): Find reductions instead of phi
1710         nodes that can't be canonicalized.
1711         (try_create_reduction_list): Remove reduction_list parameter.
1712         (gen_parallel_loop): Same.
1713         (parallelize_loops): Remove analyze_reductions variable,
1714         initialization and free.
1715         Change reduction_list htab initialization to reduction_info
1716         elements instead of ssa names.
1717         Call try_create_reduction_list and gen_parallel_loop without
1718         analyzed_reduction argument.
1719         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1720         canonicalize_loop_ivs with one less argument.
1721         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1722
1723 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1724
1725         * graphite-dependences.c (new_poly_dr_pair): New.
1726         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1727         (new_poly_dr_pair): New.
1728         (eq_poly_dr_pair_p): New.
1729         (hash_poly_dr_pair_p): New.
1730         * graphite-dependences.h (struct poly_dr_pair): New.
1731         (eq_poly_dr_pair_p): Declared.
1732         (hash_poly_dr_pair_p): Declared.
1733         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1734         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1735         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1736         * Makefile.in (graphite-poly.o): Add dependence on
1737         graphite-dependences.h.
1738
1739 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1740
1741         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1742         polynomials of degree > 1 pass to Graphite.
1743         * tree-chrec.c (scev_is_linear_expression): Call
1744         evolution_function_is_affine_multivariate_p.
1745         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1746
1747 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1748
1749         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1750         Instantiate scevs varying in outer loops.
1751         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1752
1753 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1754
1755         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1756         redundant constraint.
1757
1758 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1761         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1762         based on the file names as in the C testsuite.
1763         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1764         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1765         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1766         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1767         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1768         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1769         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1770         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1771         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1772         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1773         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1774         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1775         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1776
1777 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * sese.c (expand_scalar_variables_call): New.
1780         (expand_scalar_variables_ssa_name): Handle calls in expander.
1781
1782 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1785         Expect to see the pattern twice.
1786         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1787         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1788         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1789
1790 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1791
1792         * testsuite/gcc.dg/graphite/id-10.c: New.
1793         * testsuite/gcc.dg/graphite/id-12.c: New.
1794         * testsuite/gfortran.dg/graphite/id-7.f: New.
1795         * testsuite/gfortran.dg/graphite/id-8.f: New.
1796
1797 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1800         zero.
1801
1802 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1805
1806 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1807
1808         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1809
1810 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1811
1812         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1813         building PDR subscripts.
1814
1815 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1818         computation of array sizes.
1819
1820 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1823
1824 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1825
1826         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1827         build_pairwise_constraint, dr_equality_constraints,
1828         build_pairwise_scheduling_equality,
1829         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1830         build_lexicographically_gt_constraint, dependence_polyhedron,
1831         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1832         Move from NNC_Polyhedron to C_Polyhedron.
1833         * graphite-interchange.c (compute_array_size_poly,
1834         gather_access_strides): Dito.
1835         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1836         free_scop, pbb_number_of_iterations): Dito.
1837         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1838         pbb_dim_iter_domain, struct scop): Dito.
1839         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1840         new_Cloog_Domain_from_ppl_Polyhedron,
1841         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1842         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1843         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1844         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1845         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1846         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1847         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1848         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1849         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1850         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1851         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1852         build_scop_iteration_domain, build_poly_dr): Dito
1853
1854 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1857         run-id-*.c files.
1858         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1859
1860 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1863         positivity constraint on the symbolic number of iterations.
1864
1865 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1866
1867         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1868
1869 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1870             Tobias Grosser  <grosser@fim.uni-passau.de>
1871
1872         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1873         (build_cloog_prog): Directly use SCOP_CONTEXT.
1874         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1875         (free_scop): Free SCOP_CONTEXT.
1876         (print_scop_context): New.
1877         (print_scop): Call print_scop_context.
1878         (debug_scop_context): New.
1879         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1880         (struct scop): Added field context.
1881         (SCOP_CONTEXT): New.
1882         * graphite-sese-to-poly.c (add_param_constraints): New.
1883         (build_scop_context): New.
1884         (build_poly_scop): Call build_scop_context.
1885
1886 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1887
1888         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1889         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1890         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1891         * graphite-ppl.h: Include double-int.h and tree.h.
1892         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1893         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1894         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1895         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1896
1897 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1900         POINTER_PLUS_EXPR for pointer types.
1901         (clast_to_gcc_expression): Same.
1902
1903 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-poly.c (print_scattering_function): Early return when
1906         PBB_TRANSFORMED_SCATTERING is not initialized.
1907         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1908
1909 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1910
1911         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1912         to fix bootstrap.
1913
1914 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1915
1916         * tree-parloops.c (analyze_reduction_list): Change return
1917         value to void.
1918         (try_create_reduction_list): Move the call to
1919         analyze_reduction_list to the beginining.
1920         Call reduction_phi with analyzed_reductions as argument
1921         instead of reduction_list.
1922
1923 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1924
1925         *  Merge from mainline (r148296:149346)
1926
1927 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-scop-detection.c (graphite_can_represent_init): New.
1930         (graphite_can_represent_scev): Call graphite_can_represent_init:
1931         check that the initial value does not contain multiplications of
1932         parameters.
1933         (stmt_has_simple_data_refs_p): New.
1934         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1935         (is_simple_operand): Fix formatting.
1936         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1937
1938 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * testsuite/gcc.dg/graphite/id-13.c: New.
1941         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1942         analyze_scalar_evolution, use scalar_evolution_in_region.
1943         (scan_tree_for_params_right_scev): Add extra assert.
1944         (parameter_index_in_region_1): Split from parameter_index_in_region.
1945         (idx_record_params): Use scalar_evolution_in_region.
1946         (find_params_in_bb): Same.
1947         (find_scop_parameters): Same.
1948         (build_loop_iteration_domains): Same.
1949         (create_linear_expr_from_tree): Same.
1950         * sese.c (scalar_evolution_in_region): New.
1951         * sese.h (scalar_evolution_in_region): Declared.
1952         (defined_in_sese_p): New.
1953         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1954         static anymore.
1955         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1956         Declared.
1957
1958 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1959
1960         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1961         TREE_DATA_REF_H also implies SCEV_H.
1962
1963 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1964
1965         * graphite-poly.c (print_scop_params): New.
1966         (print_scop): Call print_scop_params.
1967         (debug_scop_params): New.
1968         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1969
1970 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1971
1972         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1973         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1974         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1975         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1976         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1977         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1978
1979 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1980
1981         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1982         for dependency checking part.
1983         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1984         tests for dependency checking.
1985         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1986         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1987         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1988         flag -fdump-tree-graphite-all for autopar testsuites.
1989
1990 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1993         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1994         canonicalize_loop_ivs): Moved...
1995         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1996
1997 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * tree-parloops.c (try_create_reduction_list): Pass an extra
2000         argument analyzed_reductions.  Call analyze_reduction_list.
2001         (gen_parallel_loop): Do not call analyze_reduction_list.
2002         (parallelize_loops): Init and finalize analyzed_reductions.
2003
2004 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2005
2006         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2007         Added flag -fno-loop-strip-mine for autopar testcase.
2008
2009 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2010
2011         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2012         transformed scattering dimension instead of unmatch orignal when
2013         calling dependence_polyhedron.
2014
2015 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2016
2017         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2018
2019 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2020
2021         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2022         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2023
2024 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2025
2026         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2027         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2028         * graphite-poly.c (pbb_number_of_iterations): New.
2029         * graphite-poly.h (pbb_number_of_iterations): Declared.
2030         (pbb_iterator_dim, pbb_parameter_dim): New.
2031
2032 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2035         last commit on type of lower and upper bound of loops.
2036
2037 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2038
2039         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2040         graphite-dependences.h.
2041         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2042         (mark_bb_with_pbb): New.
2043         (get_stmtfor_depth): New.
2044         (find_pbb_via_hash): New.
2045         (dependency_in_loop_p): New.
2046         (mark_loops_parallel): New.
2047         (free_aux_in_new_loops): New.
2048         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2049         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2050         innermost loop parallel without checking.
2051         (gloog): Add parameter BB_PBB_MAPPING.
2052         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2053         (gloog): Change declaration.
2054         (mark_loop_parallel): Make extern.
2055         (free_aux_in_new_loops): Declare.
2056         (bb_pbb_map_hash): New.
2057         (eq_bb_pbb_map): New.
2058         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2059         auto parallelization when flag_graphite_force_parallel is set.
2060         (graphite_finalize): Added free_aux_in_new_loops.
2061         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2062         the innermost loop that marked parallel.  Use
2063         flag_graphite_force_parallel instead of loop->can_be_parallel.
2064         (loop_parallel_p): Move inner most checking out of function.
2065
2066 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2067
2068         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2069         type of lower and upper bound of loops signed long int.
2070
2071 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2072
2073         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2074         expression outside the loop.
2075
2076 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * gcc.dg/graphite/interchange-8.c: New.
2079
2080 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * gcc.dg/graphite/interchange-0.c: XFailed.
2083         * gcc.dg/graphite/interchange-5.c: XFailed.
2084         * gcc.dg/graphite/interchange-6.c: XFailed.
2085
2086 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         * graphite-interchange.c (compute_array_size_poly): The end of the
2089         recursion should return 1.
2090
2091 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * graphite-interchange.c (compute_array_size_cstr): Allow the
2094         subscript multiplier to be -1.
2095         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2096         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2097         data_container.  Initializes PDR_DATA_CONTAINER.
2098         (print_pdr_access_layout): New.
2099         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2100         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2101         data_container.
2102         (PDR_DATA_CONTAINER): New.
2103         (new_poly_dr): Update declaration.
2104         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2105         (build_poly_dr): Call pdr_add_data_dimensions.
2106
2107 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         * graphite-poly.h (struct poly_dr): Fix comment.
2110         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2111         (pdr_add_memory_accesses): New.
2112         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2113
2114 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2117         (print_pbb): Add call to print_pdrs.
2118         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2119
2120 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2121             Li Feng <nemokingdom@gmail.com>
2122
2123         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2124         (dependency_between_pbbs_p): New.
2125         (lexicographically_gt_p): Assure !empty_p before polyhedron
2126         intersection assign.
2127         (build_lexicographically_gt_constraint): Correct lexicographically
2128         judging.
2129         * graphite-dependences.h: New.
2130         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2131
2132 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2135         (gloog): Print to dump_file the generated clast.
2136         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2137         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2138
2139 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-poly.c (extend_scattering): Increment
2142         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2143
2144 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2145
2146         * graphite-interchange.c (compute_array_size_poly): Added exit of
2147         recursion condition.  Continue iterating even after the first equality.
2148         (compute_array_size): Same.
2149
2150 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2151
2152         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2153         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2154         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2155         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2156         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2157
2158 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2161         only when the use verifies is_gimple_reg.
2162
2163 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2164
2165         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2166         Allocate scaldims after call to unify_scattering_dimensions.
2167
2168 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2171
2172 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2173             Albert Cohen  <albert.cohen@inria.fr>
2174
2175         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2176         variables for the strip mining.
2177
2178 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2179             Pranav Garg  <pranav.garg2107@gmail.com>
2180
2181         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2182         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2183         (graphite-blocking.o): New rule.
2184         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2185         * graphite-blocking.c: New.
2186         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2187         flag_loop_strip_mine.
2188         (psct_scattering_dim_for_loop_depth): New.
2189         * graphite-poly.h (scop_do_strip_mine): Declared.
2190         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2191         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2192         flag_loop_strip_mine.
2193
2194 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2197         a GMP value and a PPL coefficient at each iteration of a loop.
2198
2199 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2200
2201         * graphite-dependences.c (dependence_polyhedron): Do not use
2202         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2203         pbb_nb_scattering_transform.
2204         (graphite_legal_transform_dr): Same.
2205         * graphite-poly.c (extend_scattering): Same.
2206         (unify_scattering_dimensions): Same.
2207         (print_scattering_function): Same.
2208         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2209         PBB_NB_LOCAL_VARIABLES.
2210         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2211         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2212         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2213         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2214         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2215         (pbb_nb_scattering_transform): New.
2216         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2217         (psco_scattering_dim): Add assert on parameters.
2218         (psct_scattering_dim): Same.
2219         (psct_scattering_dim_for_loop_depth): Declared.
2220         (psct_local_var_dim): New.
2221         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2222         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2223         correct layout, call pbb_nb_local_vars.
2224         (psct_add_local_variable, psct_add_scattering_dimension): New.
2225         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2226         Initialize PBB_NB_SCATTERING_TRANSFORM.
2227
2228 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2229
2230         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2231         (set_coef): Renamed ppl_set_coef.
2232         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2233
2234 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2235
2236         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2237         test a boolean against 1.
2238         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2239         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2240         (pbb_do_interchange): Returns true when a transform has been performed.
2241         (scop_do_interchange): Same.
2242         * graphite-poly.c (apply_poly_transforms): Use the return value of
2243         scop_do_interchange.
2244         * graphite-poly.h (scop_do_interchange): Update declaration.
2245
2246 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2247
2248         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2249         after last use.
2250         * sese.c (sese_reset_aux_in_loops): New.
2251         * sese.h (sese_reset_aux_in_loops): New.
2252
2253 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2256         multiplier and multiply the constant by the multiplier.
2257         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2258         (build_poly_dr): Do not use the multiplier to define the subscript.
2259
2260 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2261
2262         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2263         compiler's data reference.  Initialize PDR_CDR.
2264         (print_pdr): Call dump_data_reference.
2265         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2266         Add compiler_dr field.
2267         (PDR_BB): Renamed PDR_PBB.
2268         (PDR_CDR): New.
2269         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2270         GCC's data reference representation.
2271         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2272         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2273
2274 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * graphite-poly.c (print_scattering_function): Also print the layout.
2277         * graphite-poly.h (pbb_nb_local_vars): New.
2278
2279 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2282
2283 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * graphite-poly.c (print_pdr, debug_pdr): New.
2286         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2287         (PDR_BASE): Removed.
2288
2289 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2290
2291         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2292         ltrans-{1..6,8}.c.
2293
2294 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2297         subscript identification column.
2298         (pbb_do_interchange): Print to dump_file that some loops "will be
2299         interchanged".  Rely on that chain of characters in the testcases.
2300         * gcc.dg/graphite/interchange-0.c: New.
2301         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2302         interchange-*.c files and compile them with -floop-interchange.
2303
2304 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2305
2306         * graphite-interchange.c (interchange_profitable_p): Renamed
2307         pbb_interchange_profitable_p.
2308
2309 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2310             Harsha Jagasia  <harsha.jagasia@amd.com>
2311             Pranav Garg  <pranav.garg2107@gmail.com>
2312
2313         * graphite-interchange.c (interchange_profitable_p): Make static.
2314         (pbb_interchange_loop_depths, pbb_do_interchange,
2315         scop_do_interchange): New.
2316         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2317         for flag_loop_interchange.
2318         * graphite-poly.h (scop_do_interchange): Declared.
2319         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2320         flag_loop_interchange is used.
2321
2322 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2323
2324         * graphite-dependences.c (dependence_polyhedron): Update use of
2325         pbb_nb_scattering_dims.
2326         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2327         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2328         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2329         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2330
2331 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2332
2333         * graphite.c: Cleanup foo.
2334
2335 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * Merge from mainline (r143684:148293).
2338         * Disabled libpcp until it gets fixed.
2339
2340 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2341             Harsha Jagasia  <harsha.jagasia@amd.com>
2342
2343         * graphite-interchange.c: New.
2344         * Makefile.in (graphite-interchange.o): New.
2345         * graphite-poly.h (interchange_profitable_p): Declared.
2346         * graphite-ppl.h (value_max): New.
2347
2348 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2351         * graphite-poly.h: Fix some comments.
2352         (pdr_dim): New.
2353         (pdr_scop): New.
2354
2355 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * graphite-poly.h
2358         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2359         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2360         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2361         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2362         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2363         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2364         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2365         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2366         * graphite-clast-to-gimple.c: Same.
2367         * graphite-dependences.c: Same.
2368         * graphite-poly.c: Same.
2369         * graphite-sese-to-poly.c: Same.
2370
2371 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2372
2373         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2374         expressions for an IV rename, as returned by clast_to_gcc_expression.
2375         (copy_renames): Rename new_name to expr.
2376         * sese.c (debug_rename_elt): Same.
2377         (get_rename): Same.
2378         (set_rename): Same.
2379         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2380         the information from the rename map.
2381         (rename_variables_in_stmt): Same.
2382         (add_loop_exit_phis): Rename new_name to expr.
2383         (insert_loop_close_phis): Same.
2384         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2385         * sese.h (struct rename_map_elt): Rename new_name to expr.
2386         (new_rename_map_elt): Same.
2387
2388 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2391         * sese.c (set_rename): Make it extern.
2392         * sese.h (set_rename): Declared.
2393
2394 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-poly.c (extend_scattering): Free values.
2397         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2398         Free iterators.
2399         (ppl_print_powerset_matrix): Same.
2400         * graphite-scop-detection.c (free_scops_1): New.
2401         (limit_scops): Call free_scops_1.
2402         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2403         (build_poly_dr): Free PPL coefficients.
2404         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2405
2406 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-dependences.c: New.
2409         * graphite-data-ref.c: Removed.
2410         * graphite-data-ref.h: Removed.
2411         * Makefile.in (graphite-data-ref.o): Removed.
2412         (graphite-dependences.o): Added.
2413         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2414         * graphite-poly.c: Same.
2415         Move the data dependence testing to graphite-dependences.c.
2416
2417 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2418
2419         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2420         from graphite_cannot_represent_loop. Code refactored.
2421         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2422
2423 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2424
2425         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2426         Cover all the testcases (not only the filtered ones).
2427
2428 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2429
2430         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2431         unnecessary check. Update comments. Move check for REAL_TYPE here.
2432         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2433         done in (stmt_simple_for_scop_p).
2434
2435 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2436
2437         * graphite.c (print_global_statistics): New.
2438         (print_graphite_scop_statistic): New.
2439         (print_graphite_statistics): New.
2440         (graphite_initialize, graphite_transform_loops): Print statistics.
2441         * graphite-scop-detection (build_scops): Print statistics.
2442         (print_graphite_scop_statistics): New.
2443         (print_graphite_statistics): New.
2444
2445 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2448         (debug_clast_name_index): Removed.
2449         (debug_clast_name_indexes_1): Removed.
2450         (debug_clast_name_indexes): Removed.
2451         (clast_name_index_elt_info): Removed.
2452         (eq_clast_name_indexes): Removed.
2453         (clast_name_to_index): Removed.
2454         (new_clast_name_index): Removed.
2455         (save_clast_name_index): Removed.
2456         (save_var_name): Moved...
2457         (init_sese_params_index): Removed.
2458         (clast_name_to_gcc): Remove use of name_tree.
2459         (initialize_cloog_names): Same.
2460         (gloog): Do not call init_sese_params_index.
2461         * graphite-sese-to-poly.c (save_var_name): ...here.
2462         (parameter_index_in_region): New.
2463         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2464         (parameter_index_in_region): Removed.
2465         (is_parameter): Remove use of name_tree.
2466         * sese.h (struct name_tree): Removed.
2467         (struct sese): Remove use of name_tree.  New field params_names.
2468         (SESE_PARAMS_NAMES): New.
2469         (SESE_PARAMS): Remove duplicate.
2470         (parameter_index_in_region): Removed.
2471         (sese_nb_params): Remove use of name_tree.
2472         (struct clast_name_index): New.
2473         (new_clast_name_index): New.
2474         (clast_name_to_index): New.
2475         (save_clast_name_index): New.
2476         (debug_clast_name_index): New.
2477         (debug_clast_name_indexes_1): New.
2478         (debug_clast_name_indexes): New.
2479         (clast_name_index_elt_info): New.
2480         (eq_clast_name_indexes): New.
2481
2482 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2485         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2486         (graphite_loop_normal_form): Do not pass region.  Do not
2487         initialize SESE_OLDIVS.
2488         (build_graphite_loop_normal_form): Update call to
2489         graphite_loop_normal_form.
2490         * sese.c (debug_oldivs): Removed.
2491         (new_sese): Do not initialize SESE_OLDIVS.
2492         (free_sese): Do not free SESE_OLDIVS.
2493         (oldiv_for_loop): Removed.
2494         * sese.h (struct sese): Remove old_ivs.
2495         (SESE_OLDIVS): Removed.
2496         (oldiv_for_loop): Removed.
2497
2498 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2501         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2502         replaced by a call to newivs_to_depth_to_newiv.
2503         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2504         (clast_to_gcc_expression_red): Same.
2505         (gcc_type_for_clast_expr): Same.
2506         (gcc_type_for_clast_eq): Same.
2507         (graphite_translate_clast_equation): Same.
2508         (graphite_create_guard_cond_expr): Same.
2509         (graphite_create_new_guard): Same.
2510         (graphite_create_new_loop): Same.
2511         (build_iv_mapping): Same.
2512         (translate_clast): Same.
2513         (gloog): Same.
2514         (loop_iv_stack_patch_for_consts): Removed.  *
2515         sese.c (iv_stack_entry_is_constant): Removed.
2516         (iv_stack_entry_is_iv): Removed.
2517         (loop_iv_stack_push_iv): Removed.
2518         (loop_iv_stack_insert_constant): Removed.
2519         (loop_iv_stack_pop): Removed.
2520         (loop_iv_stack_get_iv): Removed.
2521         (loop_iv_stack_get_iv_from_name): Removed.
2522         (debug_loop_iv_stack): Removed.
2523         (free_loop_iv_stack): Removed.
2524         (loop_iv_stack_remove_constants): Removed.  *
2525         sese.h (iv_stack_entry_kind): Removed.
2526         (iv_stack_entry_data_union): Removed.
2527         (iv_stack_entry_struct): Removed.
2528         (iv_stack_entry_p): Removed.
2529         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2530         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2531         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2532         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2533         (gbb_loop_at_index): Fix indenting.
2534         (gbb_loop_index): Removed.
2535
2536 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2537
2538         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2539         Call clast_name_to_index.
2540
2541 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2544         do not pass params.  Get params from SESE_PARAMS.
2545         (clast_to_gcc_expression): Same.
2546         (clast_to_gcc_expression_red): Same.
2547         (gcc_type_for_clast_eq): Same.
2548         (graphite_translate_clast_equation): Same.
2549         (graphite_create_new_loop): Same.
2550         * sese.c (rename_variables_in_stmt): Fix comment.
2551
2552 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2553
2554         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2555         newivs_index.
2556         Call save_clast_name_index.
2557         (translate_clast): Pass newivs_index.
2558         (gloog): Create and free newivs_index.
2559
2560 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2561
2562         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2563         (clast_name_index_p): New type.
2564         (debug_clast_name_index): New.
2565         (debug_clast_name_indexes_1): New.
2566         (debug_clast_name_indexes): New.
2567         (clast_name_index_elt_info): New.
2568         (eq_clast_name_indexes): New.
2569         (clast_name_to_index): New.
2570         (new_clast_name_index): New.
2571         (save_clast_name_index): New.
2572         (init_sese_params_index): New.
2573         (gloog): Call init_sese_params_index.
2574         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2575         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2576         (free_sese): Free SESE_PARAMS_INDEX.
2577         * sese.h (struct sese): Add params_index.
2578         (SESE_PARAMS_INDEX): New.
2579
2580 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2583         (graphite_create_new_loop): Pass the newivs vector.  Push the
2584         newly created IV to newivs.
2585         (translate_clast): Pass the newivs vector.
2586         (gloog): Create and destroy the newivs vector.
2587
2588 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2589
2590         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2591         (graphite_loop_normal_form): Initialize loop->aux with the unique
2592         IV that has been created.
2593
2594 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2595
2596         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2597         scev with parameters in the base part. They where forbidden
2598         exidently.
2599
2600 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2601
2602         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2603         compile options by file names.
2604         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2605         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2606         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2607         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2608
2609 2009-05-08  Li Feng <nemokingdom@gmail.com>
2610
2611         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2612         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2613         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2614         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2615
2616 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2617
2618         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2619         by final cleanup.
2620
2621 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2622
2623         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2624         allow integer constant strides.
2625         (graphite_can_represent_expr): Depend on outermost_loop.
2626         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2627         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2628         build_scops_1): Same.
2629         (scopdet_basic_block_info): Same and insert layered SCoP
2630         detection.
2631         (try_generate_gimple_bb): Cleanup.
2632         (build_scops): Enable data references.
2633
2634         * testsuite/gcc.dg/graphite/id-5.c: New.
2635         * testsuite/gcc.dg/graphite/id-9.c: New.
2636         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2637         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2638
2639 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2640
2641         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2642         that we have not yet built for this SCoP.
2643
2644 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2645
2646         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2647         for complex numbers.
2648
2649 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2650
2651         * graphite-ppl.c: Fix build if cloog is not available.
2652
2653 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2654
2655         * tree-parloops.c (loop_parallel_p): Remove construction of
2656         NITER and REDUCTION_LIST.
2657         (try_get_loop_niter): New.
2658         (try_create_reduction_list): New.
2659         (parallelize_loops): Bypass the failed checkings in autopar
2660         when can_be_parallel in loop structure is set to true.
2661
2662 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2663
2664         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2665         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2666
2667 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2668
2669         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2670         Enable EQ_EXPR and NE_EXPR again.
2671
2672 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2673
2674         * graphite-scop-detection.c (graphite_can_represent_scev):
2675         Add check if scev is affine multivariate.
2676         (harmful_stmt_in_bb): Check if we can represent the conditions.
2677         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2678         harmful_stmt_in_bb.
2679         * testsuite/gcc.dg/graphite/id-7.c: New.
2680
2681 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2682
2683         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2684         Check all bbs in region, not only the bbs that are represented in
2685         GRAPHITE.
2686         (build_poly_scop): Add newline.
2687         * testsuite/gcc.dg/graphite/id-8.c: New.
2688
2689 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2690
2691         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2692         when loop initialize.
2693         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2694         * common.opt: Declare flag_graphite_force_parallel.
2695         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2696         loop parallel.
2697         * graphite-poly.c (apply_poly_transforms): Introduce
2698         flag_graphite_force_parallel.
2699         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2700         * toplev.c (process_options): ditto and replace a not correctly
2701         encoded space.
2702
2703 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2704
2705         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2706         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2707         to the redefinition.
2708         (compute_cloog_iv_types_1): ditto.
2709         (build_iv_mapping): ditto.
2710         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2711         initialization.
2712         (free_gimple_bb): Removed GBB_LOOPS related free part.
2713         (build_bb_loops): Removed.
2714         * sese.h (struct gimple_bb): Removed loops.
2715         (GBB_LOOPS): Removed.
2716         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2717         (gbb_loop_index): ditto.
2718
2719 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2720
2721         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2722         allow non constant strides.
2723         * testsuite/gcc.dg/graphite/scop-20.c: New.
2724
2725 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-scop-detection.c (dot_all_scops): Fix system call
2728         return value warning.
2729         (dot_scop): Same.
2730
2731 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2732
2733         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2734         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2735
2736 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2739         build_pairwise_constraint, dr_equality_constraints,
2740         build_pairwise_scheduling_equality,
2741         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2742         build_lexicographically_gt_constraint, dependence_polyhedron,
2743         graphite_legal_transform_dr, graphite_legal_transform_bb,
2744         graphite_legal_transform): New.
2745         * graphite-poly.h (graphite_legal_transform): Declared.
2746         * graphite-sese-to-poly.c (build_poly_scop): Call to
2747         graphite_legal_transform is disabled for the moment.
2748
2749 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * graphite-poly.h (pbb_nb_scattering_dims): New.
2752         (pbb_nb_scattering): Use it.
2753
2754 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2757         Pointset_Powerset version of ppl_insert_dimensions.
2758         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2759
2760 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2763
2764 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         * graphite-poly.h: Fix comment.
2767
2768 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2769
2770         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2771
2772 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2773
2774         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2775         statements.
2776
2777 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2778
2779         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2780         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2781         conditions.
2782
2783 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2786         handle EQ_EXPR and NE_EXPR.
2787
2788 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2789
2790         * graphite-poly.h (poly_dr): Fix comment.
2791
2792 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2793             Tobias Grosser  <grosser@fim.uni-passau.de>
2794
2795         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2796         with a zero dimension polyhedron.
2797         (find_scop_parameters): Move the call to scop_set_nb_params here.
2798         (build_loop_iteration_domains): Store in loop->aux the iteration
2799         domain polyhedron.
2800         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2801         by any loop in scop.
2802         (build_poly_scop): Do not call scop_set_nb_params.
2803
2804 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2805             Tobias Grosser  <grosser@fim.uni-passau.de>
2806
2807         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2808         add_condition_to_domain not GT_EXPR.
2809
2810 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2811
2812         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2813         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2814         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2815         upper_bound_assign to calculate unions.
2816         * testsuite/gcc.dg/graphite/id-6.c: New.
2817
2818 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2819
2820         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2821         handle abnormal edges.
2822
2823 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2824
2825         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2826         (free_poly_bb): Also free poly_drs.
2827         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2828         (poly_dr): Polyhedron to Pointset_Powerset.
2829         (pdr_accessp_nb_subscripts): Same.
2830         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2831         poly_drs.
2832
2833 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2836         names into more meaningful names.
2837
2838 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2841         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2842
2843 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2846         the reduction_list.
2847         * tree-parloops.c (rewrite_phi_with_iv): New.
2848         (rewrite_all_phi_nodes_with_iv): New.
2849         (canonicalize_loop_ivs): Call them.
2850
2851 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2854         graphite_find_data_references_in_stmt.
2855         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2856         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2857
2858 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2861
2862 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2863
2864         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2865         instead of bb_in_region.
2866         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2867         (build_sese_conditions): Use flag_bb_in_sese.
2868         * sese.c (register_bb_in_sese): Removed.
2869         (new_sese): Remove initialization of SESE_REGION_BBS.
2870         (free_sese): Do not free SESE_REGION_BBS.
2871         * sese.h (struct sese): Remove field region_basic_blocks.
2872         (SESE_REGION_BBS): Removed.
2873         (bb_in_sese_p): Implement in function of bb_in_region.
2874
2875 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2878         loops.
2879
2880 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2881
2882         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2883         and EQ_EXPR.
2884         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2885         (add_condition_to_domain): New.
2886         (add_condition_to_pbb): New.
2887         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2888         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2889
2890 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2891
2892         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2893         ppl_Pointset_Powerset.
2894         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2895         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2896         (pbb_nb_loops): Same.
2897         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2898         add_conditions_to_domain): Same.
2899         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2900         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2901         ppl_const_Polyhedron_t.
2902         (ppl_print_powerset_matrix): New.
2903         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2904         ppl_print_powerset_matrix): New.
2905         (ppl_print_polyhedron_matrix): Updated.
2906
2907 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2910
2911 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2914         (print_iteration_domains, debug_iteration_domain,
2915         debug_iteration_domains): New.
2916         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2917         debug_iteration_domains): Declared.
2918         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2919         indenting.
2920
2921 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2922             Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-poly.h (print_iteration_domain): New.
2925         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2926         (build_sese_conditions_1, build_sese_conditions_after,
2927         build_sese_conditions_before): New.
2928         (build_sese_conditions): Rewritten.
2929
2930 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2931             Tobias Grosser  <grosser@fim.uni-passau.de>
2932
2933         Cleanup of code generation liveouts.
2934         * graphite-clast-to-gimple.c (translate_clast): Use a single
2935         rename_map instead of one per translated statement.
2936         Do not use SESE_LIVEOUT_RENAMES.
2937         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2938         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2939         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2940         phi node of a reduction: when a loop contains a reduction used outside
2941         the loop, there should be a scalar close phi node on the exit block.
2942         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2943         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2944         (free_sese): Do not free them.
2945         (sese_build_liveouts_use): Do not use them.
2946         (sese_build_liveouts_bb): Same.
2947         (sese_build_liveouts): Same.
2948         (sese_insert_phis_for_liveouts): Same.
2949         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2950         (defined_in_loop_p): New.
2951         (alive_after_loop): New.
2952         (close_phi_not_yet_inserted_p): New.
2953         (struct alep, alep_p): New.
2954         (add_loop_exit_phis): Remove from the rename_map all the names defined
2955         in the code generated loop.
2956         (insert_loop_close_phis): Traverse the rename_map passed to it.
2957         Don't use SESE_LIVEOUT_RENAMES.
2958         (default_liveout_before_guard): Renamed default_before_guard.
2959         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2960         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2961         (register_sese_liveout_renames): Removed.
2962         (copy_bb_and_scalar_dependences): Do not call it.
2963         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2964         reduction_list.
2965         (SESE_LIVEOUT): Removed.
2966         (SESE_LIVEOUT_RENAMES): Removed.
2967         (SESE_REDUCTION_LIST): Removed.
2968         (sese_build_liveouts): Removed.
2969         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2970         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2971         (insert_guard_phis): Same.
2972         (rename_map_elt): Declare a VEC of them.
2973         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2974         trees not pointers to trees.
2975
2976         Rewrite in canonical close SSA form:
2977         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2978         (limit_scops): Close the scop after the block containing the close phi
2979         nodes.
2980         (canonicalize_loop_closed_ssa): New.
2981         (canonicalize_loop_closed_ssa_form): New.
2982         (build_scops): Call canonicalize_loop_closed_ssa_form.
2983
2984         * graphite-sese-to-poly.c: Fix typos.
2985
2986 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2989         Extended.
2990         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2991         (print_pbb): Add conditions.
2992
2993 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2994             Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2997         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2998         (build_scop_bbs_1): New.
2999         (build_scop_bbs): Rewrite.
3000         * sese.h (bb_in_region): New.
3001
3002 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3003
3004         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3005         poly_drs vector.
3006         (print_scop): Style.
3007         * graphite-poly.h (poly_bb): Add drs vector.
3008         (PBB_DRS): Add accessor.
3009         * graphite-sese-to-poly.c (build_poly_dr): New.
3010         (build_pbb_drs, build_scop_drs): New.
3011         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3012
3013 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3014
3015         * tree-ssa-loop.c: Include forgotten toplev.h
3016
3017 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3018
3019         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3020         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3021         * testsuite/gcc.dg/graphite/pr37928.c: Same
3022         * testsuite/gcc.dg/graphite/pr38409.c: Same
3023         * testsuite/gcc.dg/graphite/pr38498.c: Same
3024         * testsuite/gcc.dg/graphite/pr38559.c: Same
3025         * testsuite/gcc.dg/graphite/pr39335.c: Same
3026         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3027         * testsuite/gfortran.dg/graphite/block-2.f: Same
3028         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3029         with -floop-*.
3030
3031 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3032
3033         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3034         build_access_matrix, build_scop_data_accesses): Remove access function
3035         building. (We get a new version soon).
3036         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3037         * sese.h (nb_loops_around_loop_in_sese): Remove.
3038         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3039
3040 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3041             Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite-scop-detection.c (struct scopdet_info): Rename last
3044         field to exit.
3045         (scopdet_basic_block_info, build_scops_1): Don't use
3046         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3047
3048 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3049             Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3052         * sese.c (sese_build_liveouts_use): Renamed from
3053         sese_build_livein_liveouts_use. Remove liveins.
3054         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3055         Call sese_build_liveouts_use.
3056         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3057         Call sese_build_liveouts_bb.
3058         (new_sese, free_sese): Remove liveins.
3059         (sese_add_exit_phis_var): Deleted.
3060         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3061         directly.
3062         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3063
3064         * sese.h (sese): Remove num_ver and livein.
3065         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3066
3067 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3068
3069         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3070
3071 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3072
3073         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3074         (build_scop_scattering): Do not use compare_prefix_loops any more.
3075         (nb_common_loops): New.
3076
3077 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3078
3079         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3080         (register_old_and_new_names): Renamed set_rename.
3081
3082 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3083
3084         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3085         of the decl from the previous commit.
3086
3087 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3088
3089         * graphite-scop-detection.c (dot_scop): New.
3090         * graphite-scop-detection.h (dot_scop): Declared.
3091
3092 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3095
3096 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3099         condition at the end of the loop.
3100         * graphite.c (graphite_initialize, graphite_finalize): Print to
3101         dump_file the compiled function.
3102         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3103         of create_empty_loop_on_edge.
3104         (translate_clast): Update the code generation of loops for the new
3105         shape of loops.
3106         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3107
3108 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         Reverted the patch from 2009-03-19.
3111
3112 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3113
3114         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3115         poly_drs vector.
3116         (print_scop): Style.
3117         * graphite-poly.h (poly_bb): Add drs vector.
3118         (PBB_DRS): Add accessor.
3119         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3120         (build_access_matrix_with_af, build_access_matrix,
3121         build_scop_data_accesses): Delete.
3122         (build_poly_dr): New.
3123         (build_pbb_drs, build_scop_drs): New.
3124         (build_poly_scop): call build_scop_drs.
3125
3126 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3129         once per basic block.
3130
3131 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3132
3133         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3134         (graphite_can_represent_expr): Renamed from loop_affine_expr
3135         and enhanced.
3136         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3137         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3138         (scopdet_basic_block_info): Actually define entry_block.
3139         (stmt_simple_memref_p): Moved here from ...
3140
3141         * tree-data-ref.c (stmt_simple_memref_p): here.
3142         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3143
3144 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3145
3146         * testsuite/gcc.dg/graphite/id-4.c: New.
3147
3148 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3151         (register_old_and_new_names): Update the content of the map.
3152         When there was already a rename_map_elt in the map at that
3153         location, free it.
3154         (copy_bb_and_scalar_dependences): Do rename_variables after
3155         expand_scalar_variables.
3156         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3157         of the map.  When there was already a rename_map_elt in the
3158         map at that location, free it.
3159         (translate_clast): Pass the rename_map.  Do not initialize and free
3160         a rename_map per stmt_user.
3161         (gloog): Initialize and free one rename_map and pass it to
3162         translate_clast.
3163
3164 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3165
3166         * sese.c (expand_scalar_variables_stmt,
3167         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3168         parameter.
3169         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3170         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3171         the gimple_stmt_iterator of the statement to be expanded.
3172         * graphite-scop-detection.c (is_simple_operand): Do handle
3173         REALPART_EXPR.
3174
3175 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3176
3177         * graphite-scop-detection.c (is_simple_operand): Do not handle
3178         REALPART_EXPR.
3179         * testsuite/gcc.dg/graphite/id-2.c: New.
3180
3181         * graphite-sese-to-poly.c (build_bb_loops,
3182         add_value_to_dim, scan_tree_for_params_right_scev,
3183         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3184         find_params_in_bb, build_loop_iteration_domains,
3185         add_conditions_to_domain): Remove subtract.
3186
3187 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3188
3189         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3190         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3191         pbb_loop_at_index -> gbb_loop_at_index.
3192         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3193         (debug_loop_vec): Delete.
3194         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3195         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3196         (PBB_LOOPS): Removed.
3197         (PBB_BLACK_BOX): Insert cast.
3198         (pbb_set_black_box): New setter.
3199         (pbb_loop_at_index, pbb_loop_index): Removed.
3200         (scop_set_region, scop_set_nb_params): New.
3201         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3202         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3203         (build_poly_scop): Use scop_set_nb_params.
3204         * sese.h (gimple_bb): Add LOOPS.
3205         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3206
3207 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3208
3209         Revert previous commit.
3210
3211 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3212
3213         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3214         (register_old_and_new_names): Update the content of the map.
3215         When there was already a rename_map_elt in the map at that
3216         location, free it.
3217         (copy_bb_and_scalar_dependences): Do rename_variables after
3218         expand_scalar_variables.
3219         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3220         of the map.  When there was already a rename_map_elt in the
3221         map at that location, free it.
3222         (translate_clast): Pass the rename_map.  Do not initialize and free
3223         a rename_map per stmt_user.
3224         (gloog): Initialize and free one rename_map and pass it to
3225         translate_clast.
3226
3227 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3228
3229         Remove forgotten line in revert.
3230
3231 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         Revert previous commit.
3234
3235 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * sese.c (register_old_and_new_names): Update the content
3238         of the map.  When there was already a rename_map_elt in the
3239         map at that location, free it.
3240         (copy_bb_and_scalar_dependences): Do rename_variables after
3241         expand_scalar_variables.
3242         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3243         of the map.  When there was already a rename_map_elt in the
3244         map at that location, free it.
3245         (translate_clast): Pass the rename_map.  Do not initialize and free
3246         a rename_map per stmt_user.
3247         (gloog): Initialize and free one rename_map and pass it to
3248         translate_clast.
3249
3250 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-clast-to-gimple.c (translate_clast): context_loop
3253         is never NULL.
3254
3255 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3256             Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3259         of the use of ppl_Polyhedron_map_space_dimensions.
3260
3261 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3262             Sebastian Pop  <sebastian.pop@amd.com>
3263
3264         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3265         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3266         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3267         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3268         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3269         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3270         pbb_nb_params): New.
3271         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3272         nb_loops_around_pbb): Adapt return types.
3273
3274 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3275
3276         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3277         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3278         graphite-scop-detection.o, graphite-poly.o): Add
3279         more headers.
3280
3281 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3282
3283         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3284         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3285         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3286
3287 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3288
3289         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3290         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3291         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3292         * testsuite/gcc.dg/graphite/block-0.c: Same.
3293         * testsuite/gcc.dg/graphite/block-1.c: Same.
3294         * testsuite/gcc.dg/graphite/block-2.c: Same.
3295         * testsuite/gcc.dg/graphite/block-3.c: Same.
3296         * testsuite/gcc.dg/graphite/block-4.c: Same.
3297         * testsuite/gcc.dg/graphite/block-5.c: Same.
3298         * testsuite/gcc.dg/graphite/block-6.c: Same.
3299         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3300         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3301         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3302         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3303         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3304         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3305         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3306         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3307         * opts.c: Remove -floop-block from -O2.
3308         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3309         -floop-strip-mine are used.
3310
3311 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3312             Sebastian Pop  <sebastian.pop@amd.com>
3313
3314         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3315         dimensions.
3316         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3317         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3318         strip_mine_profitable_p, is_interchange_valid,
3319         graphite_trans_bb_block, graphite_trans_loop_block,
3320         graphite_trans_scop_block): Temporary removed.
3321         (extend_scattering, unify_scattering_dimensions): New.
3322         (print_scattering_function, graphite_read_transforms):
3323         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3324         (graphite_generate_scattering_fns): Removed.
3325         (apply_poly_transforms): Cleanup.
3326         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3327         (schedule_to_scattering): Moved.
3328         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3329         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3330         (pbb_nb_scattering): New.
3331         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3332         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3333         Removed.
3334         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3335         shift_poly.
3336         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3337         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3338         -> PBB_TRANSFORMED_SCATTERING.
3339         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3340         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3341         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3342         (check_poly_representation): Do not return bool.
3343         (graphite_transform_loops): Reformat.
3344         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3345
3346 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3349         debug_pbb_domain, debug_pbb, debug_scop): New.
3350         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3351         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3352
3353 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         PR middle-end/39335
3356         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3357         when the type precision of the induction variable should be
3358         larger than the type precision of nit.
3359         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3360         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3361         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3362
3363         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3364         * testsuite/gcc.dg/graphite/pr39335.c: New.
3365
3366 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3367
3368         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3369         SSA_NAMES not struct reduction_info.
3370
3371 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3374
3375 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3376             Tobias Grosser  <grosser@fim.uni-passau.de>
3377
3378         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3379         (free_sese): Free SESE_REDUCTION_LIST.
3380         * sese.h (struct sese): Add field reduction_list.
3381         (SESE_REDUCTION_LIST): New.
3382         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3383         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3384
3385 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3386             Tobias Grosser  <grosser@fim.uni-passau.de>
3387
3388         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3389         of loop_p.
3390
3391 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3392             Tobias Grosser  <grosser@fim.uni-passau.de>
3393
3394         * tree-parloops.c (struct brli, build_reduction_list_info,
3395         analyze_reduction_list, gather_scalar_reductions): New.
3396         (loop_parallel_p): Build a reduction list containing only
3397         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3398         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3399         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3400         * tree-flow.h (gather_scalar_reductions): Declared.
3401
3402 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3403
3404         PR middle-end/39308
3405         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3406         number_of_iterations_exit from a gcc_assert.
3407
3408 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3409             Jan Sjodin  <jan.sjodin@amd.com>
3410
3411         * output.h (graphite_out_file, graphite_in_file): Declared.
3412         * toplev.c (graphite_out_file, graphite_in_file): New.
3413         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3414         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3415         Don't call schedule_to_scattering.
3416         * common.opt (fgraphite-write, fgraphite-read): New.
3417         * graphite-poly.c: Include output.h.
3418         (print_scattering_function, print_scattering_functions,
3419         debug_scattering_function, debug_scattering_functions,
3420         graphite_write_transforms, graphite_read_transforms,
3421         graphite_generate_scattering_fns): New.
3422         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3423         Call graphite_generate_scattering_fns, graphite_write_transforms,
3424         graphite_read_transforms.
3425         (new_poly_bb): Initialize PBB_SCATTERING.
3426         (free_poly_bb): Free PBB_SCATTERING.
3427         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3428         * graphite-poly.h (struct poly_bb): Add field scattering.
3429         (PBB_SCATTERING): New.
3430         (print_scattering_function, print_scattering_functions,
3431         debug_scattering_function, debug_scattering_functions): Declared.
3432         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3433         GMP values, not integers!
3434         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3435         ppl_read_polyhedron_matrix): New.
3436         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3437         debug_ppl_polyhedron_matrix,
3438         ppl_read_polyhedron_matrix): Declared.
3439         * Makefile.in (graphite-poly.o): Depends on output.h.
3440
3441 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3442             Tobias Grosser  <grosser@fim.uni-passau.de>
3443
3444         Revert this change:
3445         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3446         scalar evolutions in the scop_entry->loop_father.
3447
3448 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3449             Tobias Grosser  <grosser@fim.uni-passau.de>
3450
3451         * graphite.h (ref_nb_loops): Remove declaration.
3452         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3453         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3454         debug_gbb): Moved to sese.h.
3455         * sese.h: As said.
3456
3457 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3458             Tobias Grosser  <grosser@fim.uni-passau.de>
3459
3460         * graphite-data-ref.[ch]: Disable.
3461
3462 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3463             Tobias Grosser  <grosser@fim.uni-passau.de>
3464
3465         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3466         scalar evolutions in the scop_entry->loop_father.
3467
3468 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3469
3470         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3471         (graphite_cannot_represent_loop_niter): Renamed
3472         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3473         (limit_scops): build_sese_loop_nests does not return a bool.
3474         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3475         * sese.c (nb_reductions_in_loop): ... from here.
3476         (graphite_loop_normal_form): ... from here.
3477         (sese_record_loop): Does not fail, so does not return a bool.
3478         (build_sese_loop_nests): Same.
3479         * sese.h (build_sese_loop_nests): Update declaration.
3480         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3481         (build_graphite_loop_normal_form): New.
3482         (gloog): Call build_graphite_loop_normal_form.
3483         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3484         build_sese_loop_nests.
3485
3486         * testsuite/gcc.dg/graphite/id-1.c: New.
3487
3488 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3489             Tobias Grosser  <grosser@fim.uni-passau.de>
3490
3491         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3492         The SCoP detection fix is sufficient.
3493
3494 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3495
3496         PR tree-optimization/39260
3497         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3498         the basic block contains a condition with a real type.
3499         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3500
3501         * gcc.dg/graphite/pr39260.c: New.
3502
3503 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite-poly.c: Inlcude params.h.
3506         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3507         the size of a tile.
3508         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3509         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3510
3511 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3512             Tobias Grosser  <grosser@fim.uni-passau.de>
3513
3514         * graphite-scop-detection.c (dot_all_scops_1,
3515         dot_all_scops): Moved here.
3516         * graphite-scop-detection.h (dot_all_scops): Declared here.
3517         * graphite.c (graphite_initialize, graphite_finalize): New.
3518         (graphite_transform_loops): Cleaned up.
3519         * sese.c (debug_oldivs): Moved here.
3520         * graphite-poly.c (graphite_apply_transformations): Renamed
3521         apply_poly_transforms.
3522         (debug_loop_vec): Moved here.
3523         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3524         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3525         find_scop_parameters, build_scop_iteration_domain,
3526         add_conditions_to_constraints, build_scop_canonical_schedules,
3527         build_scop_data_accesses): Now static.
3528         (build_poly_scop, check_poly_representation): New.
3529
3530 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3533         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3534         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3535         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3536         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3537         scan_tree_for_params, struct irp_data, dx_record_params,
3538         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3539         build_loop_iteration_domains, add_conditions_to_domain,
3540         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3541         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3542         build_sese_conditions, add_conditions_to_constraints,
3543         build_scop_iteration_domain, build_access_matrix_with_af,
3544         build_access_matrix,
3545         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3546
3547         * graphite-sese-to-poly.c: New.
3548         * graphite-sese-to-poly.h: New.
3549
3550         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3551
3552 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * graphite.c: Split graphite code generation to a new file.
3555         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3556         max_precision_type, clast_to_gcc_expression_red,
3557         clast_to_gcc_expression, gcc_type_for_clast_expr,
3558         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3559         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3560         graphite_create_new_guard, clast_get_body_of_loop,
3561         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3562         graphite_create_new_loop, build_iv_mapping, copy_renames,
3563         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3564         compute_cloog_iv_types, free_scattering, save_var_name,
3565         initialize_cloog_names, build_scop_context, build_cloog_prog,
3566         set_cloog_options, debug_clast_stmt, scop_to_clast,
3567         print_generated_program, debug_generated_program,
3568         gloog): Moved to graphite-clast-to-gimple.c.
3569
3570         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3571
3572         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3573         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3574         loop_iv_stack_pop, loop_iv_stack_get_iv,
3575         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3576         free_loop_iv_stack, loop_iv_stack_remove_constants,
3577         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3578         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3579         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3580         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3581         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3582         get_vdef_before_sese, sese_adjust_vphi,
3583         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3584         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3585         is_iv, expand_scalar_variables_ssa_name,
3586         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3587         expand_scalar_variables, rename_variables, remove_condition,
3588         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3589         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3590         default_liveout_before_guard, add_guard_exit_phis,
3591         insert_guard_phis, register_old_and_new_names,
3592         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3593         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3594         if_region_set_false_region, create_if_region_on_edge,
3595         move_sese_in_condition): Moved to sese.c.
3596
3597         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3598         if_region_exit, if_region_get_condition_block,
3599         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3600         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3601         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3602         ivtype_map_elt, new_ivtype_map_elt,
3603         recompute_all_dominators): Moved to sese.h.
3604
3605         * graphite-clast-to-gimple.c: New.
3606         * graphite-clast-to-gimple.h: New.
3607         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3608         * sese.c: Modified as said above.
3609         * sese.h: Same.
3610
3611 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * graphite.c: Split scop detection to a new file.
3614         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3615         move_sd_regions, loop_affine_expr, exclude_component_ref,
3616         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3617         graphite_cannot_represent_loop_niter, struct scopdet_info,
3618         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3619         find_single_entry_edge, find_single_exit_edge,
3620         create_single_entry_edge, sd_region_without_exit,
3621         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3622         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3623         Moved to graphite-scop-detection.c.
3624
3625         * graphite-scop-detection.c: New.
3626         * graphite-scop-detection.h: New.
3627         * Makefile.in: Add new rule for graphite-scop-detection.o.
3628
3629         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3630         tree-scalar-evolution.h.
3631         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3632         build_sese_loop_nests): Moved here from graphite.c.
3633         (param_index): Renamed parameter_index_in_region.
3634
3635 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3636             Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         * gcc.dg/graphite/block-0.c: Expected to fail now.
3639         * gcc.dg/graphite/block-1.c: Same.
3640         * gcc.dg/graphite/block-5.c: Same.
3641         * gcc.dg/graphite/block-6.c: Same.
3642
3643 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3644             Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite.h: Separate from graphite_bb_p the polyhedral
3647         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3648         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3649         graphite-data-ref.h.
3650         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3651         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3652         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3653         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3654         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3655         scop_nb_params): Moved to graphite-poly.h.
3656         * graphite-data-ref.c: Same.
3657         * graphite-data-ref.h: New.
3658         * graphite.c: Same.
3659         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3660         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3661         is_interchange_valid, graphite_trans_bb_block,
3662         graphite_trans_loop_block, scop_max_loop_depth,
3663         graphite_trans_scop_block, graphite_apply_transformations,
3664         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3665         graphite-poly.c.
3666         * graphite-poly.h: New.
3667         * graphite-poly.c: New.
3668         * Makefile.in (OBJS-common): Add graphite-poly.o.
3669         (graphite-poly.o): New rule.
3670         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3671         (DR_SCOP): Removed.
3672
3673 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3674             Tobias Grosser  <grosser@fim.uni-passau.de>
3675
3676         * graphite.c: Replace gb -> gbb.
3677         * graphite.h: Same.
3678         * graphite-data-ref.c: Same.
3679
3680 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3681             Tobias Grosser  <grosser@fim.uni-passau.de>
3682
3683         * Makefile.in (OBJS-commmon): Add sese.o.
3684         (sese.o): New.
3685         (graphite.o): Add sese.h.
3686         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3687         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3688         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3689         Move to sese.
3690         (block_before_scop): Add missing return.
3691         (new_scop, free_scop): Remove SESE data structures.
3692         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3693         find_scop_parameters, build_loop_iteration_domains,
3694         add_conditions_to_domain, register_scop_liveout_renames,
3695         copy_bb_and_scalar_dependences): Scop -> SESE.
3696
3697         (add_conditions_to_domain): SCoP -> SESE and remove check
3698         (scop_contains_non_iv_scalar_phi_nodes): New.
3699         (build_scop_conditions_1, build_scop_conditions): Remove check for
3700         non iv scalar phi nodes.
3701         (print_scop_statistics): New.
3702         (graphite_transform_loops): Cleanup.
3703
3704         * graphite.h: Move to sese & cleanup.
3705         * sese.c: New.
3706         * sese.h: New.
3707
3708 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3709             Tobias Grosser  <grosser@fim.uni-passau.de>
3710
3711         * graphite.c (build_scop_conditions_1): Conditions are only
3712         at the end of a basic block.
3713
3714 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3715             Tobias Grosser  <grosser@fim.uni-passau>
3716
3717         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3718         field.
3719         (GBB_ALPHA): Removed.
3720
3721 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3722             Tobias Grosser  <grosser@fim.uni-passau.de>
3723
3724         * graphite-data-ref.c (graphite_test_dependence): Don't use
3725         GBB_DYNAMIC_SCHEDULE.
3726         * graphite.c (new_graphite_bb): Same.
3727         (free_graphite_bb): Same.
3728         (build_scop_dynamic_schedules): Removed.
3729         (graphite_transform_loops): Don't call it.
3730         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3731         (GBB_DYNAMIC_SCHEDULE): Removed.
3732
3733 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3734             Tobias Grosser  <grosser@fim.uni-passau.de>
3735
3736         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3737         (print_graphite_bb): Same.
3738         (build_cloog_prog): Same.
3739
3740 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3741             Tobias Grosser  <grosser@fim.uni-passau.de>
3742
3743         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3744
3745 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3746             Tobias Grosser  <grosser@fim.uni-passau.de>
3747
3748         * graphite.c (build_scop_context): Don't use CloogMatrix.
3749         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3750         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3751
3752 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3753             Tobias Grosser  <grosser@fim.uni-passau.de>
3754
3755         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3756         liveout_renames, add_params fields...
3757         (struct sese): ... here.
3758         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3759         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3760
3761 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3762             Tobias Grosser  <grosser@fim.uni-passau.de>
3763
3764         * graphite.c (print_scop): Do not print the CLooG program.
3765         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3766         build_cloog_prog, gloog): Don't use SCOP_PROG.
3767         (find_transform): Renamed scop_to_clast.
3768         (print_generated_program, debug_generated_program): New.
3769         (graphite_transform_loops): Adapt to new interface.
3770         * graphite.h (struct scop): Remove program field.
3771         (SCOP_PROG): Removed.
3772         (print_generated_program, debug_generated_program): Declared.
3773
3774 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3775
3776         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3777         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3778         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3779         free_graphite_bb, build_scop_canonical_schedules,
3780         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3781         schedules are now represented using a ppl_Linear_Expression_t.
3782         * graphite.h (struct graphite_bb): Same.
3783         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3784         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3785
3786 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * graphite.c: Free local memory.
3789         * graphite-ppl.c: Same.
3790
3791 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3792
3793         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3794         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3795         swap_constraint_variables, scale_constraint_variable): Removed.
3796         (graphite_trans_bb_strip_mine): Remove pong.
3797         * graphite-ppl.c: Include missing header files.
3798         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3799         * graphite-ppl.h (ppl_strip_loop): Declared.
3800         * Makefile.in (graphite-ppl.o): Adjust dependences.
3801
3802 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3805         (build_scop_iteration_domain): Same.
3806
3807 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3808
3809         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3810         ping pong.
3811         (add_value_to_dim, scan_tree_for_params_right_scev,
3812         scan_tree_for_params_int): New.
3813         * graphite-ppl.c (oppose_constraint): New.
3814         (insert_constraint_into_matrix): Implement missing cases.
3815         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3816
3817 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3820         use ppl_move_dimension.
3821
3822 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3825         * graphite.c: Same.
3826         * graphite.h: Same.
3827         * graphite-ppl.c: Same.
3828         * graphite-ppl.h: Same.
3829
3830 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3831
3832         Revert last 3 commits.
3833
3834 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3835
3836         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3837         ping pong.
3838         (add_value_to_dim, scan_tree_for_params_right_scev,
3839         scan_tree_for_params_int): New.
3840         * graphite-ppl.c (oppose_constraint): New.
3841         (insert_constraint_into_matrix): Implement missing cases.
3842         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3843
3844 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3847
3848 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3849             Tobias Grosser  <grosser@fim.uni-passau.de>
3850
3851         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3852         use ppl_move_dimension.
3853         * graphite-ppl.c (ppl_move_dimension): New.
3854         * graphite-ppl.h (ppl_move_dimension): Declared.
3855
3856 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3857
3858         * graphite.c: Do not include cloog/cloog.h.
3859         (print_graphite_bb): Remove ping pong, call PPL print function.
3860
3861 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3862
3863         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3864         (graphite.o): Add dependence on graphite-ppl.h.
3865         (graphite-ppl.o): New.
3866         (graphite-data-ref.c): Ping pong between PPL data structures
3867         and matrices.
3868         * graphite-ppl.c: New.
3869         * graphite-ppl.h: New.
3870         * graphite.c: Include graphite-ppl.h.
3871         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3872         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3873         Ping pong between PPL data structures and matrices.
3874         (new_graphite_bb): Create a PPL constraint system.
3875         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3876         (build_loop_iteration_domains): Use PPL functions.
3877         * graphite.h: Include graphite-ppl.h.  Fix comments.
3878         (graphite_bb): Use a ppl_Constraint_System_t instead of
3879         CloogMatrix for representing the domain.
3880         (scop): Remove static_schedule.
3881         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3882
3883 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c: Fix some comments.
3886
3887 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         PR middle-end/38953
3890         * graphite.c (if_region_set_false_region): After moving a region
3891         in the false branch of a condition, remove the empty dummy
3892         basic block.
3893         (gloog): Remove wrong fix for PR38953.
3894
3895 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3896
3897         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3898         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3899         register_bb_in_sese, new_sese, free_sese): Moved.
3900         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3901         outermost_loop_in_scop, build_scop_iteration_domain,
3902         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3903         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3904         Use loop_in_sese_p instead of loop_in_scop_p.
3905         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3906         (free_scop): Do not free SCOP_BBS_B.
3907         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3908         ref_nb_loops): Moved here...
3909         * graphite.h (ref_nb_loops): ... from here.
3910         (struct scop): Remove bbs_b bitmap.
3911         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3912         * testsuite/gcc.dg/graphite/scop-19.c: New
3913
3914 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3915
3916         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3917         detection.
3918
3919 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3920
3921         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3922         eq_loop_to_cloog_loop): Remove.
3923         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3924         * graphite.h (struct scop): Remove loop2cloog_loop.
3925         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3926
3927 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3928
3929         * opts.c (decode_options): Only add graphite options to O2
3930         if we compile with graphite enabled.
3931
3932 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3933
3934         * Merge from mainline (r143163:143684).
3935
3936 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3937
3938         * graphite.c (debug_value): Removed.
3939         * graphite.h (debug_value): Removed.
3940
3941 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3942
3943         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3944         after graphite: pass_copy_prop does not maintain a proper loop closed
3945         SSA form.  pass_copy_prop should be fixed.
3946
3947 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3948
3949         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3950
3951 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3952
3953         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3954         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3955         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3956         changed the CFG.
3957
3958 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3959
3960         * graphite.c (gloog): Return true when code gen succeeded.
3961         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3962         the code of the function did not changed.  After cleanup_tree_cfg
3963         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3964         form.
3965
3966 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3969         gimple_call_lhs is NULL.
3970
3971 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3972             Tobias Grosser  <tobi.grosser@amd.com>
3973
3974         * graphite.c (graphite_trans_scop_block): Do not block single
3975         nested loops.
3976
3977 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3978             Tobias Grosser  <tobi.grosser@amd.com>
3979
3980         * graphite.c (build_scop_canonical_schedules): Start schedules at
3981         zero.
3982
3983 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3984             Tobias Grosser  <tobi.grosser@amd.com>
3985
3986         * graphite.c (compare_prefix_loops): New.
3987         (build_scop_canonical_schedules): Rewritten.
3988         (graphite_transform_loops): Move build_scop_canonical_schedules
3989         after build_scop_iteration_domain.
3990
3991 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3992             Tobias Grosser  <tobi.grosser@amd.com>
3993
3994         * graphite.c (add_conditions_to_domain): Add the loops to
3995         the dimension of the iteration domain.  Do copy the domain
3996         only when it exists.
3997         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3998         (add_conditions_to_constraints): New.
3999         (can_generate_code_stmt, can_generate_code): Removed.
4000         (gloog): Do not call can_generate_code.
4001         (graphite_transform_loops): Call add_conditions_to_constraints
4002         after building the iteration domain.
4003
4004 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4005             Tobias Grosser  <tobi.grosser@amd.com>
4006             Jan Sjodin  <jan.sjodin@amd.com>
4007
4008         * graphite.c (scan_tree_for_params): On substractions negate
4009         all the coefficients of the term.
4010         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4011         of more than two operands.
4012         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4013         (get_vdef_before_scop): Handle also the case of default definitions.
4014
4015 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4016
4017         PR middle-end/38431
4018         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4019         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4020         (gloog): Do not call cleanup_tree_cfg.
4021         (graphite_transform_loops): Call cleanup_tree_cfg after all
4022         scops have been code generated.
4023
4024 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4025
4026         * passes.c (init_optimization_passes): Schedule after
4027         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4028
4029 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4030
4031         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4032         Fix comment.
4033         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4034         Set the type of an expression to the type of its assign statement.
4035         (expand_scalar_variables_expr):  Do not pass loop_p.
4036         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4037         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4038         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4039
4040 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4043         an expression to the gimple_expr_type of its assign statement.
4044         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4045         or tcc_declaration.
4046
4047 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4048
4049         PR tree-optimization/38786
4050         * testsuite/gcc.dg/graphite/pr38786.c: New.
4051         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4052         the SSA_NAME case of expand_scalar_variables_expr.
4053         (expand_scalar_variables_expr): Also gather the scalar computation
4054         used to index the memory access.
4055         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4056         the gimple_stmt_iterator where it inserts new code.
4057
4058 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4059
4060         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4061
4062 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4063
4064         * opts.c (decode_options): Enable flag_graphite_identity and
4065         flag_loop_block in -O2 and above.
4066
4067 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4070         Fix merge problem: replace with the file from trunk.
4071
4072 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4073
4074         * Merge from mainline (r141727:143163).
4075
4076 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4077             Jan Sjodin  <jan.sjodin@amd.com>
4078
4079         PR tree-optimization/38559
4080         * testsuite/gcc.dg/graphite/pr38559.c: New.
4081
4082         * graphite.c (debug_value, copy_constraint,
4083         swap_constraint_variables, scale_constraint_variable, ): New.
4084         (get_lower_bound, get_upper_bound): Removed.
4085         (graphite_trans_bb_strip_mine): Clean up this code that works
4086         only for constant number of iterations.  Fully copy upper and
4087         lower bound constraints, not only the constant part of them.
4088         * graphite.h (debug_value): Declared.
4089
4090 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4091
4092         PR tree-optimization/38492
4093         PR tree-optimization/38498
4094         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4095         * tree-chrec.h (scev_is_linear_expression): Declared.
4096         * graphite.c (graphite_cannot_represent_loop_niter): New.
4097         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4098         (graphite_loop_normal_form): Use gcc_assert.
4099         (scan_tree_for_params): Use CASE_CONVERT.
4100         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4101         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4102         Use gcc_assert.  Discard scops that contain unhandled cases.
4103         (build_scop_conditions): Return a boolean status for unhandled cases.
4104         (strip_mine_profitable_p): Print the loop number, not its depth.
4105         (is_interchange_valid): Pass the depth of the loop nest, don't
4106         recompute it wrongly.
4107         (graphite_trans_bb_block): Same.
4108         (graphite_trans_bb_block): Print tentative of loop blocking.
4109         (graphite_trans_scop_block): Do not print that the loop has been
4110         blocked.
4111         (graphite_transform_loops): Do not handle scops that contain condition
4112         scalar phi nodes.
4113
4114         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4115         in trunk.
4116         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4117         * testsuite/gcc.dg/graphite/block-1.c: Same.
4118         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4119         blocking.
4120         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4121         * testsuite/gcc.dg/graphite/block-3.c: New.
4122         * testsuite/gcc.dg/graphite/pr38498.c: New.
4123
4124 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4125
4126         PR tree-optimization/38510
4127         * gcc.dg/graphite/pr38510.c: New.
4128         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4129           (translate_clast): Call recompute_all_dominators before
4130           graphite_verify.
4131           (gloog): Call recompute_all_dominators before graphite_verify.
4132
4133 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4134
4135         PR tree-optimization/38492
4136         * graphite.c (rename_map_elt, debug_rename_elt,
4137         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4138         rename_map_elt_info, eq_rename_map_elts,
4139         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4140         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4141         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4142         (sese_build_livein_liveouts): New.
4143         (new_sese, free_sese): New.
4144         (new_scop): Call new_sese.
4145         (free_scop): Call free_sese.
4146         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4147         (register_old_new_names): Renamed register_old_and_new_names.
4148         (register_scop_liveout_renames, add_loop_exit_phis,
4149         insert_loop_close_phis, struct igp,
4150         default_liveout_before_guard, add_guard_exit_phis,
4151         insert_guard_phis, copy_renames): New.
4152         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4153         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4154         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4155         (scop_adjust_phis_for_liveouts): New.
4156         (gloog): Call scop_adjust_phis_for_liveouts.
4157
4158         * graphite.h (struct sese): Documented.  Added fields liveout,
4159         num_ver and livein.
4160         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4161         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4162         (struct scop): Added field liveout_renames.
4163         (SCOP_LIVEOUT_RENAMES): New.
4164
4165 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4166
4167         PR tree-optimization/38409
4168         * gcc.dg/graphite/pr38409.c: New.
4169         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4170
4171 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4172
4173         * graphite.c (gcc_type_for_cloog_iv): By default return
4174         integer_type_node.
4175         (graphite_create_new_loop): Don't fold_convert the already
4176         fold_convert-ed expression.
4177
4178 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4179
4180         PR tree-optimization/38446
4181         * gcc.dg/graphite/pr38446.c: New.
4182         * graphite.c (register_bb_in_sese): New.
4183         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4184         looking at the bbs in the region.
4185         * graphite.h (sese): Add region_basic_blocks pointer set to
4186         structure and initialize at the time of defining new scop.
4187
4188 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4189
4190         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4191         (find_params_in_bb): Do not free data refs.
4192         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4193
4194 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4195
4196         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4197         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4198         * testsuite/gcc.dg/graphite/block-5.c: New.
4199         * testsuite/gcc.dg/graphite/block-6.c: New.
4200         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4201         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4202         * testsuite/gcc.dg/graphite/block-2.c: Same.
4203
4204         * graphite.c (struct ivtype_map_elt): New.
4205         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4206         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4207         gcc_type_for_cloog_iv): New.
4208         (loop_iv_stack_patch_for_consts): Use the type of the induction
4209         variable from the original loop, except for the automatically
4210         generated loops, i.e., in the case of a strip-mined loop, in
4211         which case there is no original loop: in that case just use
4212         integer_type_node.
4213         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4214         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4215         (clast_name_to_gcc): Accept params to be NULL.
4216         (clast_to_gcc_expression): Take an extra parameter for the type.
4217         Convert to that type all the expressions built by this function.
4218         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4219         (graphite_translate_clast_equation): Compute the type of the
4220         clast_equation before translating its LHS and RHS.
4221         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4222         (graphite_create_new_loop): Compute the type of the induction
4223         variable before translating the lower and upper bounds and before
4224         creating the induction variable.
4225         (rename_variables_from_edge, rename_phis_end_scop): New.
4226         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4227         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4228         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4229         compute_cloog_iv_types): New.
4230         (gloog): Call compute_cloog_iv_types before starting the
4231         translation of the clast.
4232
4233         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4234         (GBB_CLOOG_IV_TYPES): New.
4235         (debug_ivtype_map): Declared.
4236         (oldiv_for_loop): New.
4237
4238 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4239
4240         PR middle-end/38459
4241         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4242         (param_index): Assert if parameter is not know after parameter
4243         detection.
4244         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4245         (find_scop_parameters): Mark, that we have finished parameter
4246         detection.
4247         (graphite_transform_loops): Move condition detection before parameter
4248         detection.
4249         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4250         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4251
4252 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4253
4254         * graphite.c (graphite_transform_loops): Always call find_transform ()
4255         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4256         generate code.
4257
4258 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4259
4260         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4261         (print_scop): Ditto.
4262
4263 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4264
4265         PR middle-end/38084
4266         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4267         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4268         regions more than once.
4269
4270 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4271
4272         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4273         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4274         when not needed.
4275
4276 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4277
4278         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4279         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4280         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4281         (max_precision_type): New.
4282         (value_clast): Removed.
4283         (clast_to_gcc_expression): Be more careful to types of expressions.
4284         Use max_precision_type and update use of gmp_cst_to_tree.
4285         (graphite_translate_clast_equation): Use max_precision_type.
4286         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4287         use the type of the condition.
4288         (graphite_create_new_loop): Do not use integer_type_node, use the
4289         max_precision_type of lb and ub.
4290
4291 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4292
4293         * graphite.c (build_scops_1): Initialize open_scop.exit
4294         and sinfo.last.
4295
4296 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4297
4298         * testsuite/gcc.dg/graphite/pr38084.c: New.
4299         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4300         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4301         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4302         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4303         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4304
4305 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4306             Jan Sjodin  <jan.sjodin@amd.com>
4307             Harsha Jagasia  <harsha.jagasia@amd.com>
4308
4309         PR middle-end/37852
4310         PR middle-end/37883
4311         PR middle-end/37928
4312         PR middle-end/37980
4313         PR middle-end/38038
4314         PR middle-end/38039
4315         PR middle-end/38073
4316         PR middle-end/38083
4317         PR middle-end/38125
4318
4319         * testsuite/gcc.dg/graphite/pr38073.c: New.
4320         * testsuite/gcc.dg/graphite/pr37928.c: New.
4321         * testsuite/gcc.dg/graphite/pr37883.c: New.
4322         * testsuite/gcc.dg/graphite/pr38125.c: New.
4323         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4324         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4325         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4326
4327         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4328         the number of detected scops.  Copy exact same test for loop
4329         blocking...
4330         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4331         loops to be blocked as reductions are not handled.
4332         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4333
4334         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4335         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4336         ...here.
4337         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4338         * Makefile.in (graphite.o): Depend on value-prof.h.
4339         (graphite.o-warn): Removed -Wno-error.
4340         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4341         to be a NULL pointer.  Call update_stmt.  Return the newly created
4342         cannonical induction variable.
4343
4344         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4345
4346         * graphite.c: Reimplement the code generation from graphite to gimple.
4347         Include value-prof.h.
4348         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4349         (get_old_iv_from_ssa_name): Removed.
4350         (graphite_stmt_p): New.
4351         (new_graphite_bb): Test for useful statements before building a
4352         graphite statement for the basic block.
4353         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4354         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4355         reason.
4356         (recompute_all_dominators, graphite_verify,
4357         nb_reductions_in_loop, graphite_loop_normal_form): New.
4358         (scop_record_loop): Call graphite_loop_normal_form.
4359         (build_scop_loop_nests): Iterate over all the blocks of the
4360         function instead of relying on the incomplete information from
4361         SCOP_BBS.  Return the success of the operation.
4362         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4363         (add_bb_domains): Removed.
4364         (build_loop_iteration_domains): Don't call add_bb_domains.
4365         Add the iteration domain only to the basic blocks that have been
4366         translated to graphite.
4367         (build_scop_conditions_1): Add constraints only if the basic
4368         block have been translated to graphite.
4369         (build_scop_data_accesses): Completely disabled until data
4370         dependence is correctly implemented.
4371         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4372         (remove_all_edges_1, remove_all_edges): Removed.
4373         (get_new_name_from_old_name): New.
4374         (graphite_rename_variables_in_stmt): Renamed
4375         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4376         Use replace_exp and update_stmt.
4377         (is_old_iv): Renamed is_iv.
4378         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4379         Use replace_exp and update_stmt.
4380         (expand_scalar_variables_expr): Same.  Use the map to get the
4381         new names for the renaming of induction variables and for the
4382         renaming of variables after a basic block has been copied.
4383         (expand_scalar_variables): Same.
4384         (graphite_rename_variables): Renamed rename_variables.
4385         (move_phi_nodes): Removed.
4386         (get_false_edge_from_guard_bb): New.
4387         (build_iv_mapping): Do not insert the induction variable of a
4388         loop in the renaming iv map if the basic block does not belong
4389         to that loop.
4390         (register_old_new_names, graphite_copy_stmts_from_block,
4391         copy_bb_and_scalar_dependences): New.
4392         (translate_clast): Heavily reimplemented: copy basic blocks,
4393         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4394         At each translation step call graphite_verify ensuring the
4395         consistency of the SSA, loops and dominators information.
4396         (collect_virtual_phis, find_vdef_for_var_in_bb,
4397         find_vdef_for_var_1, find_vdef_for_var,
4398         patch_phis_for_virtual_defs): Removed huge hack.
4399         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4400         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4401         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4402         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4403         if_region_get_condition_block, if_region_set_false_region,
4404         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4405         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4406         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4407         rewrite_into_sese_closed_ssa): New.
4408         (gloog): Remove dead code.  Early return if code cannot be
4409         generated.  Call cleanup_tree_cfg once the scop has been code
4410         generated.
4411         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4412         block loops with less than two loops.
4413         (graphite_apply_transformations): Remove the call to
4414         scop_remove_ignoreable_gbbs.
4415         (limit_scops): When build_scop_loop_nests fails, continue on
4416         the next scop.  Fix open_scop.entry.
4417         (graphite_transform_loops): Call recompute_all_dominators: force the
4418         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4419         Call initialize_original_copy_tables and free_original_copy_tables
4420         to be able to copy basic blocks during code generation.
4421         When build_scop_loop_nests fails, continue on next scop.
4422         (value_clast): New union.
4423         (clast_to_gcc_expression): Fix type cast warning.
4424
4425 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4426
4427         * Merge from mainline (r140838:141727).
4428
4429 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4430
4431         PR middle-end/37833
4432
4433         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4434
4435 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4436
4437         PR middle-end/37943
4438
4439         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4440         exits and conditions.
4441         * testsuite/gcc.dg/graphite/pr37943.c: New.
4442
4443 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4444
4445         PR middle-end/37886
4446         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4447
4448 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4449
4450         * doc/invoke.texi: Fix spaces.
4451
4452 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4453
4454         PR tree-optimization/37891
4455         Reverted last commit.
4456         * graphite.c (create_single_entry_edge): Set
4457         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4458
4459 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4460             Mitul Thakkar  <mitul.thakkar@amd.com>
4461
4462         * graphite.c (create_single_entry_edge): Set
4463         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4464
4465 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4466
4467         * doc/invoke.texi: Add -fgraphite-identity.
4468         * graphite.c (graphite_apply_transformations): Check for
4469         -fgraphite-identity.
4470         * toplev.c (process_options): Add flag_graphite_identity.
4471         * tree-ssa-loop.c: Add flag_graphite_identity.
4472
4473 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4474
4475         Undo changes from 2008-10-02:
4476         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4477         operand type when copying the operand to a variable of different type.
4478         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4479         with the IV name after increment.
4480
4481 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4482             Harsha Jagasia  <harsha.jagasia@amd.com>
4483
4484         PR tree-optimization/37828
4485         * testsuite/gcc.dg/graphite/pr37828.c: New.
4486         * graphite.c (graphite_trans_loop_block): Do not loop block
4487         single nested loops.
4488
4489 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4490             Sebastian Pop  <sebastian.pop@amd.com>
4491
4492         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4493         rename_map_elt_info, eq_rename_map_elts): New.
4494         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4495         (expand_scalar_variables_expr): Change parameters.
4496         (expand_scalar_variables_stmt): Same.
4497         (expand_scalar_variables): Same.
4498         (graphite_rename_ivs): Rename graphite_rename_variables.
4499         (build_iv_mapping): New.
4500         (translate_clast): Call build_iv_mapping.
4501         * graphite.h (gbb_p): New name.
4502
4503 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4504
4505         PR tree-optimization/37684
4506         * gcc.dg/graphite/pr37684.c: New.
4507         * graphite.c (exclude_component_ref): New.
4508         (is_simple_operand): Call exclude_component_ref.
4509
4510 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4511             Harsha Jagasia  <harsha.jagasia@amd.com>
4512
4513         PR tree-optimization/37485
4514         * gcc.dg/graphite/block-2.c: New
4515         * graphite.c (gmp_cst_to_tree): Moved.
4516         (iv_stack_entry_is_constant): New.
4517         (iv_stack_entry_is_iv): New.
4518         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4519         (loop_iv_stack_insert_constant): New.
4520         (loop_iv_stack_pop): Use new datatpype.
4521         (loop_iv_stack_get_iv): Same.
4522         (loop_iv_stack_get_iv_from_name): Same.
4523         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4524         (loop_iv_stack_patch_for_consts): New.
4525         (loop_iv_stack_remove_constants): New.
4526         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4527         (translate_clast): Call loop_iv_stack_patch_for_consts and
4528         loop_iv_stack_remove_constants.
4529         (gloog): Use new datatype.  Redirect construction edge to end
4530         block to avoid accidental deletion.
4531         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4532         iv stack entry.
4533         (union iv_stack_entry_data): New.  Data in iv stack entry.
4534         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4535
4536 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4537
4538         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4539         operand type when copying the operand to a variable of different type.
4540
4541 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4542
4543         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4544         with the IV name after increment.
4545
4546 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4547
4548         * Merge from mainline (r140164:140838).
4549
4550 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4551
4552         * graphite-data-ref.c: New.
4553         * graphite.c (print_scop): Also dump the dependence graph.
4554         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4555         (new_scop): Initialize SCOP_DEP_GRAPH.
4556         (build_scop_dynamic_schedules): New.
4557         (build_access_matrix_with_af): Fixed column numbering.
4558         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4559         * graphite.h: Add ifndef/define guards against multiple inclusion.
4560         (struct scop): Add dep_graph field.
4561         (SCOP_DEP_GRAPH): Defined.
4562         (ref_nb_loops): Fixed and moved to other position.
4563         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4564         (nb_loops_around_loop_in_scop): New.
4565         (graphite_dump_dependence_graph): Declared.
4566         (graphite_build_rdg_all_levels): Declared.
4567         (graphite_test_dependence): Declared.
4568         * Makefile.in (graphite-data-ref.o): New target.
4569
4570 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4571
4572         * Merge from mainline (139870:140164).
4573
4574 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4575
4576         * Merge from mainline (138275:139870).
4577         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4578         the commits from trunk broke the niter detection.
4579
4580 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4581
4582         * graphite.c: Add more documentation.  Fix formatting.
4583         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4584         loop_iv_stack_debug): Moved...
4585         (schedule_to_scattering): Move before use.
4586         (dot_all_scops): Include in "#if 0" the code for system
4587         call dotty.
4588
4589         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4590         loop_iv_stack_debug): ...here.
4591
4592 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4593
4594         * tree-phinodes.c (make_phi_node): Extern.
4595         (add_phi_node_to_bb): New.
4596         (create_phi_node): Call add_phi_node_to_bb.
4597         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4598         (remove_statement): Handle case where stored phi was updated
4599         and is no longer the same.
4600         * graphite.c (is_parameter): New.
4601         (is_old_iv): New.
4602         (expand_scalar_variables_expr): New.
4603         (expand_scalar_variables_stmt): New.
4604         (expand_scalar_variables): New.
4605         (move_phi_nodes): Create new phi instead of moving old one.
4606         (translate_clast): Call expand_scalar_variables.
4607         (find_vdef_for_var_in_bb): Also scan regular definitions.
4608         (skip_phi_defs): New.
4609         (collect_scop_exit_phi_args): New.
4610         (patch_scop_exit_phi_args): New.
4611         (gloog): Patch phis after scop.
4612         * tree-flow.h: (add_phi_node_to_bb): Declared.
4613         (make_phi_node): Declared.
4614
4615 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4616
4617         * graphite.c (end_scop): Split the entry of the scop when it
4618         is the header of the loop in which the scop is ending.
4619         (build_scops_1, limit_scops): Update uses of end_scop.
4620
4621 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4622
4623         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4624         SCOP_ENTRY or SCOP_EXIT.
4625
4626 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4627
4628         * graphite.c (get_construction_edge): Removed.
4629         (gloog): Construction edge is the scop entry edge.
4630
4631 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4632
4633         * graphite.c (can_generate_for_scop): Removed.
4634         (gloog): Do not call it.
4635
4636 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4637
4638         * graphite.c (new_scop): Entry of a scop is an edge.
4639         Initialize SESE region.
4640         (free_scop): Free SESE region.
4641         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4642         (split_difficult_bb): New, split from end_scop.
4643         (end_scop): Exit of a scop is an edge.
4644         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4645         not automatically updated and thus is always wrong.
4646         * graphite.h (struct sese): New.
4647         (SESE_ENTRY): New.
4648         (SESE_EXIT): New.
4649         (struct scop): New field for a SESE region.  Remove entry, exit.
4650         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4651         semantics as before.  Moved comment around.
4652
4653 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4654             Sebastian Pop  <sebastian.pop@amd.com>
4655
4656         * graphite.c (graphite_transform_loops): Always enable gloog
4657         and find_transform when ENABLE_CHECKING.
4658
4659 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4660
4661         * graphite.c (graphite_transform_loops): Move pretty printer
4662         of SCOPs before doing any transform.  Remove call to print_scops
4663         and dot_all_scops_1.
4664
4665 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4666
4667         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4668         (print_graphite_bb): Same.
4669
4670 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4671
4672         * graphite.c (dot_all_scops_1): Cleanup.
4673         (move_scops): Fix comment.
4674
4675 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4676
4677         * graphite.c (build_scop_bbs): Revert commit 139355:
4678
4679         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4680                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4681
4682                 * graphite.c (build_scop_bbs): Factor up code.
4683
4684 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4685
4686         * graphite.c (gloog): Update dominator info.
4687
4688 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4689
4690         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4691
4692 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4693
4694         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4695         initialization.
4696         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4697         (translate_clast): Correct formatting.
4698         * graphite.h (struct num_map): Removed.
4699         (struct graphite_bb): Remove num_map field.
4700         (GBB_INDEX_TO_NUM_MAP): Removed.
4701
4702 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4703
4704         * graphite.c (build_access_matrix_with_af): Fix comments.
4705         (build_scop_data_accesses): Same.
4706
4707 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4708
4709         * graphite.c (build_scop_data_accesses): Don't construct
4710         access matrices.  Add a FIXME and an assert condition that
4711         should pass when the access matrices will be needed.
4712
4713 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4714
4715         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4716         really_constant_p.
4717         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4718         Moved close by free_graphite_bb.
4719         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4720         (new_scop): Move close by free_scop.
4721         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4722
4723 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4724
4725         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4726         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4727         instead of recursive call.
4728         (graphite_translate_clast_equation): New.
4729         (graphite_create_guard_cond_expr): New.
4730         (graphite_create_new_guard): New.
4731         (get_stack_index_from_iv): Removed.
4732         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4733         (get_true_edge_from_guard_bb): New.
4734         (translate_clast): Handle stmt_guard in clast.
4735         (get_construction_edge): Allow construction edge detection for
4736         a scope entry with multiple predecessors if one predecessor is
4737         the immediate dominator of scope entry.
4738         (can_generate_code_stmt): Enable code generation for clast_guard.
4739         (gloog): Use correct context loop.  Removed check for post dominators.
4740         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4741
4742 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4743
4744         * graphite.c (remove_dead_loops): Document better which
4745         loops are removed.
4746
4747 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4748
4749         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4750         and PPLINC.
4751         (graphite.o): Also depends on pointer-set.h.
4752
4753 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4754
4755         * graphite.c (scop_record_loop): Fix compile warning.
4756
4757 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4758             Sebastian Pop  <sebastian.pop@amd.com>
4759
4760         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4761
4762 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4763
4764         * graphite.c (build_graphite_bb): Initialize bb->aux to
4765         point to the graphite_bb_p.
4766         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4767         content of bb->aux.
4768         (add_bb_domains): Does not use the scop parameter.
4769         (graphite_transform_loops): Clean bb->aux at the end.
4770
4771 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4772             Sebastian Pop  <sebastian.pop@amd.com>
4773
4774         * testsuite/lib/target-supports.exp
4775         (check_effective_target_fgraphite): New.
4776
4777         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4778         check_effective_target_fgraphite returns false.
4779         Set dg-do-what-default to compile.
4780         (scan-graphite-dump-times): Removed.
4781         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4782
4783         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4784         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4785         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4786         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4787         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4788         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4789         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4790         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4791         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4792         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4793         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4794         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4795         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4796         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4797         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4798         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4799         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4800         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4801         * testsuite/gcc.dg/graphite/block-0.c: Same.
4802         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4803         * testsuite/gcc.dg/graphite/block-1.c: Same.
4804         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4805         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4806         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4807         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4808         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4809
4810 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4811
4812         * graphite.c: Fix some XXX comments.
4813         (build_scop_dynamic_schedules): Removed.
4814
4815 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4816
4817         * graphite.h (scop_max_loop_depth): Moved...
4818         * graphite.c (scop_max_loop_depth): ...here.
4819         (remove_all_edges_1): New.
4820         (remove_all_edges): Factored code.
4821         (remove_cond_exprs): Check only the last statement for
4822         a GIMPLE_COND expression.
4823
4824 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4825
4826         * graphite.c (scan_tree_for_params): Early return when the
4827         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4828         (find_scop_parameters): Factor out code.
4829         (graphite_trans_bb_strip_mine): Remove dead code.
4830
4831 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4832
4833         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4834         graphite_trans_bb_move_loop): Factor asserts.
4835         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4836         Do not call calculate_dominance_info and estimate_bb_frequencies.
4837
4838 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4839
4840         * graphite.c (create_loops_mapping, free_loops_mapping,
4841         create_loops_mapping_num, debug_loop_mapping_1,
4842         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4843         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4844         graphite_loops_mapping_add_child_num,
4845         graphite_loops_mapping_insert_child,
4846         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4847         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4848         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4849         create_num_from_index, get_num_from_index,
4850         swap_loop_mapped_depth): Removed.
4851         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4852         (free_scop): Do not call free_loops_mapping.
4853         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4854         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4855         get_loop_mapped_depth.
4856         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4857         (graphite_trans_bb_strip_mine): Same.
4858         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4859         (struct scop): Remove field loops_mapping.
4860
4861 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4862             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4863
4864         * graphite.c (scop_record_loop): Factor out one level of the
4865         condition by early return.
4866         (build_scop_loop_nests): Format following FSF coding style.
4867         (build_scop_dynamic_schedules): Factor out code.
4868         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4869
4870 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4871             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4872
4873         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4874         assignments that are not handled as simple operands for now.
4875
4876 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4877             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4878
4879         * graphite.c (build_scop_bbs): Factor up code.
4880
4881 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4882             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4883
4884         * graphite.c (stmt_simple_for_scop_p): Factor code out
4885         of the loop.
4886         (enum gbb_type): New.  Group all the GBB_* types under it.
4887         (is_loop_exit): Moved...
4888         (end_scop): Enable BB spliting.
4889         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4890         * cfgloop.h (is_loop_exit): Declared.
4891
4892 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4893
4894         * doc/invoke.texi: Remove strides from examples containing
4895         DO loops when the strides are equal to 1.
4896
4897 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4898             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4899
4900         * graphite.c (graphite_trans_scop_block): Or the result with
4901         the result from graphite_trans_loop_block.
4902         * testsuite/gcc.dg/graphite/block-1.c: New.
4903         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4904         * testsuite/gfortran.dg/graphite/block-2.f: New.
4905
4906 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4907
4908         * graphite.c (graphite_transform_loops): Call cloog_initialize
4909         and cloog_finalize.
4910
4911 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4912
4913         * tree-data-ref.c) (stmt_simple_memref_p): New.
4914         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4915         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4916         (is_simple_operand): Call stmt_simple_memref_p.
4917
4918         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4919         using pointer arithmetic, as this is optimized by PRE and
4920         makes the code too difficult to analyze.
4921
4922         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4923
4924 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4925
4926         * gdbinit.in (pgg): New.
4927
4928 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4929
4930         * graphite.c (graphite_trans_loop_block): Fix warning.
4931
4932 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4933
4934         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4935
4936 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4937
4938         * graphite.c (graphite_trans_bb_block): Remove check for
4939         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4940         Check if loop blocking is profitable for every loop, before applying
4941         the changes.
4942         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4943         if flag_loop_block is set.
4944
4945 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * graphite.c: Add some more documentation for the loop
4948         mapping.
4949
4950 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4951
4952         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4953         * graphite.c: Format on less than 80 columns.
4954         * graphite.h: Same.
4955
4956 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4957
4958         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4959
4960 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4961
4962         * doc/invoke.texi (floop-block, floop-strip-mine,
4963         floop-interchange): Update documentation with examples.
4964
4965 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4966
4967         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4968         add_referenced_var.
4969         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4970
4971 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4972
4973         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4974         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4975         * tree-scalar-evolution.c: Revert useless changes.
4976         * tree-phinodes.c: Same.
4977         * cfghooks.c: Same.
4978         * vec.h: Same.
4979         * tree-vectorizer.h: Same.
4980         * tree-flow.h: Same.
4981         * tree-cfg.c: Same.
4982         * common.opt (fgraphite): Update documentation.
4983
4984 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4985
4986         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4987         -floop-interchange): Add more text for explaining what each of these
4988         flags is doing.
4989         * tree-into-ssa.c (gimple_vec): Moved to...
4990         * graphite.c: Include gimple.h.
4991         (gimple_vec): Moved to...
4992         (del_loop_to_cloog_loop): Removed.
4993         (loop_affine_expr): Do not call create_data_ref when the
4994         operand is a constant.
4995         (new_scop): Use free instead of del_loop_to_cloog_loop.
4996         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4997         * gimple.h (gimple_vec): ... here.
4998
4999 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5000
5001         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5002         latch executions.
5003         (build_loop_iteration_domains): Fail, if latch executions unknown.
5004
5005 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5006
5007         * graphite.c (add_conditions_to_domain): New.
5008         (build_scop_conditions_1): Call add_conditions_to_domain.
5009         (set_cloog_options): Allow to disable optimizations.
5010
5011 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5012
5013         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5014         Do not use walk_dominator_tree.
5015         (find_scop_parameters): Do not use walk_dominator_tree.
5016
5017 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5018
5019         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5020         (idx_record_params): Adapt.
5021         * graphite.h (scop_gimple_loop_depth): New.
5022
5023 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5024
5025         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5026         (scan_tree_for_params): Remove value_init.
5027         (build_scop_context): Remove value_init.
5028         (build_loop_iteration_domains): Remove value_init.
5029         (schedule_to_scattering): Remove value_init.
5030         (graphite_trans_bb_strip_mine): Remove value_init.
5031
5032 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5033
5034         * gcc/graphite.c (limit_scops): New.
5035         (graphite_transform_loops): Add limit SCoPs.
5036         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5037         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5038         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5039         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5040         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5041         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5042         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5043         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5044         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5045         Change loop numbers.
5046         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5047         Change loop numbers.
5048         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5049         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5050         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5051         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5052         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5053         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5054         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5055         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5056         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5057         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5058
5059 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5060
5061         * graphite.c (graphite_transform_loops): Call always find_transform.
5062
5063 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5064
5065         * graphite.c (free_loops_mapping): New.
5066         (stmt_simple_for_scop_p): Fix typo.
5067         (stmt_simple_for_scop_p): Fix tuples functions, that
5068         broke polyhedron.
5069         (free_graphite_bb): Fix some memleaks.
5070         (free_scop): Fix some memleaks.
5071         (scopdet_bb_info): Do not forget some tmp SCoPs.
5072         (find_params_in_bb): Fix some memleaks.
5073         (clast_to_gcc_expression): Fix warning.
5074
5075 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5076
5077         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5078         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5079
5080 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5081
5082         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5083         Move code ifdef-ed HAVE_cloog...
5084         * graphite.c: Include toplev.h.
5085         ... here.
5086         * Makefile.in (OBJS-common): Always build graphite.o.
5087         (BACKEND): Remove @GRAPHITE@.
5088         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5089         (graphite.o): Depend on TOPLEV_H.
5090
5091 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5092
5093         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5094         Remove typo left from polylib to ppl conversion.
5095         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5096
5097 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5098
5099         * toplev.c (process_options): Move the graphite loop optimization
5100         flags...
5101         * tree-ssa-loop.c (graphite_transforms): ... here.
5102         When not configured with CLooG, print to dump_file that
5103         Graphite transforms were not performed.
5104         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5105         New.
5106         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5107         scan-graphite-dump-times.
5108
5109 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5110
5111         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5112         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5113
5114 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5115             Jan Sjodin  <jan.sjodin@amd.com>
5116
5117         * configure: Regenerated.
5118         * omp-low.c (expand_omp_sections): Remove now unused code.
5119         * config.in (HAVE_polylib): Removed.
5120         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5121         (PPLLIBS, PPLINC): Added.
5122         * graphite.c: Replace unsigned with int wherever possible.
5123         Don't access Cloog's data structures, but use accessor functions.
5124         Clast's stmt->type is now implemented as a vtable: change the
5125         switches of stmt->type into ifs.
5126         (polylib/polylibgmp.h): Don't include.
5127         (initialize_dependence_polyhedron,
5128         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5129         statement_precedes_p, test_dependence, build_rdg_all_levels,
5130         dump_dependence_graph): Removed until this code is cleaned up
5131         or ported to Cloog.
5132         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5133         (POLYLIBINC): Renamed PPLINC.
5134
5135 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5136             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5137             Jan Sjodin  <jan.sjodin@amd.com>
5138
5139         Finish the merge and tuplification of graphite.
5140
5141 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5142             Jan Sjodin  <jan.sjodin@amd.com>
5143
5144         Partial merge from mainline (138072:138275).
5145         * graphite.c still has to be tuplified.
5146
5147 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5148
5149         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5150         (create_num_from_index): New.
5151         (get_num_from_index): Also pass in the graphite BB.
5152         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5153         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5154         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5155         (is_interchange_valid): Return false when failing.
5156         * graphite.h (struct num_map): New.
5157         (struct graphite_bb): New field num_map.
5158         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5159
5160 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5161
5162         * graphite.c (dump_gbb_conditions): Print also conditions like
5163         "if (a)".  Remove dublicated code and use print_generic_expr ().
5164         (stmt_simple_for_scop_p): Only allow conditions we can handle
5165         {<, <=, >, >=}.
5166
5167 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5168
5169         * graphite.h (struct scop): Removed new_ivs field.
5170         (SCOP_NEWIVS): Deleted.
5171         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5172         clast_to_gcc_expression, graphite_create_new_loop):
5173         Removed use of new_ivs.
5174
5175 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5176
5177         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5178         create_loops_mapping_num, debug_loop_mapping_1): New.
5179         (debug_loop_mapping): Call debug_loop_mapping_1.
5180         (get_loop_mapping_for_num,
5181         graphite_loops_mapping_add_child,
5182         graphite_loops_mapping_add_child_num,
5183         graphite_loops_mapping_insert_child,
5184         graphite_loops_mapping_parent,
5185         split_loop_mapped_depth_for_num,
5186         loop_mapped_depth_split_loop): New.
5187         (increment_loop_mapped_depths): Removed.
5188         (swap_loop_mapped_depth_for_num): Reimplemented.
5189         (new_scop): Call create_loops_mapping.
5190         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5191         (translate_clast): Pass the old loop father in parameter, and pass
5192         it to get_old_iv_from_ssa_name.
5193         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5194         can_generate_code, can_generate_for_scop): New.
5195         (graphite_trans_bb_block): Returns false when it fails to transform.
5196         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5197
5198 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5199
5200         Reverted all the changes related to the streamization and
5201         loop fusion.
5202         These changes are now tracked in the streamization branch.
5203
5204 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5205             Jan Sjodin  <jan.sjodin@amd.com>
5206
5207         * graphite.c (gbb_compare): Correctly constify.
5208         (gbb_can_be_ignored): Indent.
5209         (graphite_trans_scop_swap_1and2): Add legality check.
5210         Remove dead FIXMEs.
5211
5212 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5213
5214         Remove fallouts from "Reverted the Condate changes".
5215         * tree.h: Remove unused decl.
5216         * testsuite/gcc.dg/tree-checker: Same.
5217         * timevar.def: Remove counter.
5218
5219 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5220
5221         * Merge from mainline (135673:138072).
5222
5223         Reverted the MIRO changes (from 2008-04-05) that are now
5224         tracked in the miro branch.
5225         * tree-bounds.c: Removed.
5226         * tree-bounds.h: Removed.
5227
5228         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5229         are now tracked in the condate branch.
5230         * tree-check.c: Removed.
5231         * tree-match.c: Removed.
5232         * condate.y: Removed.
5233
5234 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5235
5236         * common.opt: New user flag -floop-block, -floop-strip-mine
5237         and -floop-interchange.
5238         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5239         graphite loop optimization flags is turned on.
5240         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5241         flag_loop_strip_mine and flag_loop_interchange checks before
5242         optimizations.
5243         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5244         -floop-strip-mine and -floop-interchange.
5245         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5246         -fgraphite.
5247         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5248         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5249         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5250
5251 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5252             Sebastian Pop  <sebastian.pop@amd.com>
5253
5254         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5255         (create_empty_loop_on_edge): More fixes.
5256         * tree-phinodes.c (resize_phi_node): Extern.
5257         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5258         * cfghooks.c (update_dominator_information): New split from
5259         split_edge.
5260         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5261         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5262         successor of the function entry block.
5263
5264         * graphite.c: Include pointer-set.h.
5265         (debug_loop_mapping, increment_loop_mapped_depths,
5266         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5267         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5268         swap_loop_mapped_depth_for_num, get_num_from_index,
5269         swap_loop_mapped_depth, loop_iv_stack_debug,
5270         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5271         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5272         get_old_iv_from_ssa_name): New.
5273         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5274         (free_scop): Free SCOP_LOOPS_MAPPING.
5275         (scop_record_loop): Record old ivs.
5276         (create_var_name): Removed.
5277         (initialize_cloog_names): Allocate double space in case strip mine
5278         applies to all loops once.
5279         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5280         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5281         translation.
5282         (graphite_create_new_loop): Pass in ivstack.
5283         (remove_all_edges): Pass in the construction_edge.
5284         (graphite_remove_iv): Removed.
5285         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5286         remove_cond_exprs): Rewritten.
5287         (move_phi_nodes): New.
5288         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5289         (translate_clast): Pass in ivstack.  Rewrite some cases.
5290         (set_cloog_options, debug_clast_stmt): New.
5291         (find_transform): Use set_cloog_options.
5292         (outermost_loop_layer): Removed.
5293         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5294         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5295         mark_old_loops, remove_dead_loops): New.
5296         (gloog): Rewritten.
5297         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5298         (const_column_index, get_first_matching_sign_row_index,
5299         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5300         get_upper_bound): New.
5301         (graphite_trans_bb_strip_mine): Also update the iv map.
5302
5303         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5304         (struct name_tree): Add a loop field.
5305         (struct scop): Add a graphite_loops_mapping field.
5306         (SCOP_LOOPS_MAPPING): New.
5307         (debug_clast_stmt): Declare.
5308         * lambda.h (find_induction_var_from_exit_cond): Declare.
5309         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5310         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5311         (create_empty_loop_on_edge): Updated.
5312         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5313         rename_variables_in_bb): Declare.
5314         * tree-cfg.c (remove_bb): Extern.
5315
5316         * testsuite/gcc.dg/graphite/block-0.c: New.
5317
5318 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5319             Sebastian Pop  <sebastian.pop@amd.com>
5320
5321         * graphite.c (strip_mine_profitable_p): New.
5322         (graphite_trans_bb_block): Disable strip mining if not profitable.
5323
5324         * testsuite/gcc.dg/graphite/scop-18.c: New.
5325         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5326         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5327
5328 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5329             Jan Sjodin  <jan.sjodin@amd.com>
5330             Sebastian Pop  <sebastian.pop@amd.com>
5331
5332         * graphite.c (is_interchange_valid): New.
5333         (graphite_trans_bb_block): Check loop nest of basic block for legality
5334         of interchange.
5335
5336         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5337         outer_most_loop, gbb_outer_most_loop_index): New.
5338
5339         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5340         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5341         * testsuite/gcc.dg/graphite/scop-16.c: New.
5342         * testsuite/gcc.dg/graphite/scop-17.c: New.
5343
5344 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5345
5346         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5347         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5348
5349 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5350
5351         * graphite.c (new_scop): Initialize SCOP_EXIT.
5352         (scopdet_info): Add.
5353         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5354         (build_scops_1): Cleanup, bugfixes.
5355         (build_scops): Cleanup.
5356
5357         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5358         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5359
5360 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5361
5362         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5363
5364         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5365         DEFAULT_GRAPHITE_FLAGS.
5366
5367         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5368
5369 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5370
5371         * graphite.c (scan_tree_for_params): Do not assert any more if
5372         MULT_EXPR parameter is negative.
5373
5374         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5375
5376         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5377
5378         * testsuite/gcc.dg/graphite/scop-15.c: New.
5379
5380 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5381
5382         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5383
5384 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5385
5386         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5387         graphite_swap_loops.
5388         (graphite_trans_bb_move_loop): New.
5389         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5390         (graphite_trans_bb_block): New.
5391         (graphite_trans_loop_block): New.
5392         (graphite_trans_scop_swap_1and2): Rename from
5393         graphite_trans_swap_1and2.
5394         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5395         (graphite_trans_scop_block): New.
5396         (graphite_apply_transformations): Rename from
5397         graphite_transformations.
5398
5399         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5400
5401 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5402
5403         * graphite.c (gbb_compare): New.
5404         (graphite_sort_gbbs): New.
5405         (gbb_can_be_ignored): New.
5406         (scop_remove_ignoreable_gbbs): New.
5407         (graphite_transformations): Cleanup and add
5408         scop_remove_ignoreable_gbbs.
5409         * lambda.h (lambda_vector_compare): New.
5410
5411 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5412
5413         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5414         (graphite_swap_loops): int -> unsigned
5415         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5416         (graphite_transformations): New.
5417         (graphite_transform_loops): Move to graphite_transformations.
5418         * graphite.h (gbb_nb_loops): Return unsigned.
5419
5420 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5421
5422         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5423         the domain matrix.  This makes scop-0.c work again.
5424
5425 2008-06-20  Richard Guenther  <rguenther@suse.de>
5426
5427         * graphite.h: Adjust copyright to GPLv3.
5428         * graphite.c: Likewise.
5429         (stmt_simple_memref_for_scop_p): Split out from ...
5430         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5431         and simplify.
5432         (get_bb_type): Optimize.
5433         (is_pred): Remove.
5434         (is_bb_addable): Fix memleak, replace is_pred call with
5435         single_pred.
5436         (build_scops): Use current_loops.
5437         (param_index): Fix memleak.
5438
5439 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5440
5441         * graphite.c: Fix formatting.
5442
5443 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5444
5445         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5446         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5447         (create_var_name, save_var_name): Newly defined functions.
5448         (initialize_cloog_names): Part of the code factored out to
5449         save_var_name.
5450         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5451         in clast_reduction statement.
5452         (graphite_create_new_loop): Now takes a new parameter
5453         for outer_loop.
5454         (translate_clast): Now also takes the context_loop and bb_exit
5455         parameters. Rewritten the code so that it creates a gimple code
5456         inside the given context.
5457         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5458         remove_cond_expr, disconnect_cond_expr,
5459         disconnect_virtual_phi_nodes): Newly defined functions.
5460         * graphite.h (struct scop): added old_ivs vector.
5461         SCOP_OLDIVS: New macro.
5462
5463 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5464
5465         * cfgloopmanip.c: Add missing function comments, fix formatting.
5466
5467 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5468
5469         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5470         (create_empty_loop_on_edge): Defined.
5471         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5472         instead of void.
5473         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5474         (update_dominators_in_loop): Declared as extern
5475         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5476
5477 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5478
5479         * graphite.c (print_graphite_bb): Allow changing number of loops
5480         in SCoP domain.
5481         (initialize_cloog_names): Allow changing number of loops.
5482         (build_cloog_prog): Simplify.
5483         (find_transform): Enable cloog option --strides.
5484         (graphite_swap_loops): New.
5485         (graphite_strip_mine_loop): New.
5486         (graphite_trans_swap_1and2): New.
5487         (graphite_trans_strip): New.
5488         (graphite_transform_loops): Add graphite_trans_strip.
5489         * graphite.h (scop_max_loop_depth): New.
5490
5491 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5492
5493         * graphite.c (build_scop_iteration_domain): Remove forgotten
5494         line. (Fixes compile)
5495
5496 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5497
5498         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5499         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5500         (build_bb_loops): New.
5501         (graphite_transform_loops): Add build_bb_loops.
5502         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5503         numbers.
5504         * graphite.h (graphite_bb): Add loops.
5505         (gbb_nb_loops): New.
5506         (gbb_loop_at_index): New.
5507         (gbb_loop_index): New.
5508         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5509         using nb_params_in_scop.
5510
5511 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5512
5513         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5514         (build_scop_canonical_schedules): Build minimized schedule.
5515         (schedule_to_scattering): Adapt to minimized schedule.
5516         * graphite.h (graphite_bb): Add/Update descriptions.
5517
5518 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5519             Tobias Grosser  <grosser@fim.uni-passau.de>
5520
5521         * graphite.c (print_graphite_bb): Add condition printing.
5522         (dump_value): New.
5523         (dump_gbb_conditions): New.
5524         (build_scop_conditions_1): New.
5525         (build_scop_conditions): New.
5526         * graphite.h (graphite_bb): Add conditions.
5527
5528 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5529
5530         * graphite.c (print_graphite_bb):
5531         (free_graphite_bb): New.
5532         (free_scop): Free bbs.
5533         (get_bb_type): Free doms.
5534         (build_scop_context): Free context matrix.
5535         (build_loop_iteration_domains): Remove unused code.
5536         (build_cloog_prog): Free scattering function and blocklist.
5537         (find_transform): Free options.
5538
5539 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5540
5541         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5542         Remove unnecessery cloog data structures. Make a copy of the domain
5543         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5544         unnecessary cloog data structures. Fix memory leaks. Remove insert
5545         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5546         used.
5547         (build_scop_iteration_domain): Remove unnecessary cloog
5548         data structures.  Fix memory leaks.
5549         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5550         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5551
5552 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5553
5554         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5555
5556 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5557
5558         * graphite.c (end_scop): Style fix.
5559         (schedule_to_scattering): Style and comment fix.
5560
5561 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5562         * graphite.c (print_graphite_bb): Fix definiton of
5563         schedule_to_scattering.
5564         (initialize_cloog_names): Change nb_scattdims to max loop
5565         depth in SCoP.
5566         (schedule_to_scattering): Take parameter for number of scattering
5567         dimensions.
5568         (build_cloog_prog): Only build as much scattering dimensions as
5569         necessary.
5570
5571 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5572
5573         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5574         in polyhedron/aermod.f90.
5575
5576 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5577             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5578             Harsha Jagasia  <harsha.jagasia@amd.com>
5579
5580         * graphite.c (is_bb_addable): Fix segfault.
5581
5582 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5583
5584         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5585         with multiple exits and conditional handling in edge cases.
5586         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5587
5588         * testsuite/gcc.dg/graphite/scop-14.c: New.
5589
5590 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5591             Adrien Eliche  <aeliche@isty.uvsq.fr>
5592
5593         * graphite.c (is_bb_addable): Add more comments and enhance
5594         readablity of the source code. Fix memory leak.
5595         (is_loop_exit): Fix memory leak.
5596
5597 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5598
5599         * graphite.c (first_loop_in_scop): Deleted.
5600         (setup_cloog_loop): Only walk the loop chain for inner loops.
5601         (build_scop_iteration_domain): Execute setup_cloog_loop for
5602         all loops in the first layer.
5603
5604 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5605
5606         * graphite.c (scan_tree_for_params): Change the way params are
5607         added to be indepenent of the number of loops.
5608         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5609         handling.
5610         (build_cloog_prog): Revert to short matrix format.
5611
5612 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5613             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5614
5615         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5616         warning.
5617
5618 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5619
5620         * graphite.c (nb_data_refs_in_scop): New.
5621         (graphite_transform_loops): Print more stats: number of
5622         loops, basic blocks and data references per scop.
5623
5624 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5625             Jan Sjodin  <jan.sjodin@amd.com>
5626
5627         * graphite.c (loop_affine_expr, idx_record_params,
5628         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5629         instead of instantiate_parameters.
5630
5631 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5632
5633         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5634         add support for parameters, add STATIC_SCHEDULE at the right places,
5635         cleanup.
5636
5637 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5638
5639         * graphite.c (build_scop_loop_nests): Only add the loops, that
5640         are contained completely in the SCoP.
5641         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5642         and the domains are fixed.
5643         (build_scop_canonical_schedules): Add support for bbs not contained
5644         in any SCoP.
5645
5646 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5647
5648         * graphite.h (scop_contains_loop): Update comments to match
5649         the actual behavior.
5650         (scop_contains_loop): New.
5651         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5652
5653 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5654
5655         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5656         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5657         as GBB_COND_HEADER.
5658
5659 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5660             Tobias Grosser  <grosser@fim.uni-passau.de>
5661
5662         * graphite.c (graphite_transform_loops): Early return when
5663         there are no loops in the function.
5664
5665 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5666             Jan Sjodin  <jan.sjodin@amd.com>
5667
5668         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5669         offset of the last loop.
5670         (setup_cloog_loop): Copy the entire outer constraint matrix.
5671
5672 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5673             Jan Sjodin  <jan.sjodin@amd.com>
5674
5675         * graphite.c (stmt_in_scop_p, function_parameter_p,
5676         invariant_in_scop_p): Removed.
5677         (scan_tree_for_params): Can be used with no constraint
5678         matrix for gathering parameters.
5679         (idx_record_params): Don't use idx_record_param, instead use
5680         scan_tree_for_params.
5681         (find_scop_parameters): Same.
5682         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5683         Fix the size of loop domains.
5684         (schedule_to_scattering): Exit when the outer loop is not in scop.
5685         (find_transform): Enable build_cloog_prog.
5686
5687 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5688             Jan Sjodin  <jan.sjodin@amd.com>
5689
5690         * graphite.c (schedule_to_scattering): Make scattering domains
5691         uniformly of the same size, as required by CLooG 0.14.0 and before.
5692
5693 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5694             Jan Sjodin  <jan.sjodin@amd.com>
5695
5696         * graphite.c (schedule_to_scattering): Rewrite, correct the
5697         translation of the scheduling function to scattering.
5698         (build_cloog_prog): Call schedule_to_scattering only once.
5699         * graphite.h (scop_loop_index): Do not fail for loops not
5700         in the scop: return -1.
5701
5702 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5703
5704         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5705         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5706         (setup_cloog_loop): Export GBB_DOMAIN.
5707         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5708         able to rebuild the original control flow.
5709         * graphite.h (graphite_bb): Add domain field and access macro.
5710         (GBB_DOMAIN): New.
5711
5712 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5713
5714         * graphite.c (debug_gbb): New.
5715         (print_scop, build_graphite_bb): Use SCOP_BBS.
5716         (build_scop_bbs): Reimplemented.
5717         (dfs_bb_in_scop_p): Removed.
5718         (build_scop_loop_nests): Reorder loops inserted in
5719         SCOP_LOOP_NEST: outer loops should come first.
5720         (build_scop_canonical_schedules): Reinitialize at zero
5721         the components of the SCOP_STATIC_SCHEDULE for the loops
5722         that have already been parsed.
5723
5724         * graphite.h (debug_gbb): Declared.
5725
5726 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5727             Jan Sjodin  <jan.sjodin@amd.com>
5728
5729         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5730         (graphite_loop_to_gcc_loop): Removed.
5731         (remove_all_edges): New.
5732         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5733         (gloog): Remove useless code.
5734
5735 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5736
5737         * graphite.c (get_bb_type): Reworked. We distinguish between
5738         loops with one or multiple exits.
5739         (is_loop_exit): New.
5740         (is_pred): New.
5741         (is_bb_addable): Rework condition handling, now support for case
5742         case statements and loops with multiple exits.
5743
5744         * testsuite/gcc.dg/graphite/scop-11.c: New.
5745         * testsuite/gcc.dg/graphite/scop-12.c: New.
5746         * testsuite/gcc.dg/graphite/scop-13.c: New.
5747
5748 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5749
5750         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5751         we have too many colors.
5752
5753 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5754
5755         * doc/invoke.texi (-ftree-loop-fusion): Document.
5756         * tree-pass.h (pass_loop_fusion): Declared.
5757         * tree-loop-fusion.c: New.
5758         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5759         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5760         * tree-data-ref.h (find_data_references_in_loop): Declared.
5761         * common.opt (ftree-loop-fusion): Declared.
5762         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5763
5764 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5765
5766         * graphite.c (build_access_matrix): Fix typo from the merge.
5767
5768 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5769
5770         * Merge from mainline (130800:135673).
5771
5772 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5773
5774         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5775         Update dominators after splitting.
5776
5777 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5778
5779         * graphite.c (is_bb_addable): Return the harmful statement.
5780         Factor up some code.
5781         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5782         (build_scops_1): Call end_scop.
5783
5784 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5785
5786         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5787         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5788         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5789         build_scops_1): Removed.
5790         (build_scops_2): Renamed build_scops_1.
5791
5792 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5793
5794         * graphite.c: Fix formatting.
5795
5796 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5797
5798         * graphite.c (get_bb_type): New.
5799         (move_scops): New.
5800         (build_scops_2): New.
5801         (is_bb_addable): New.
5802         (build_scops): Switch the scop detection.
5803         (build_scop_bbs): Add entry bb to scop.
5804         * graphite.h (struct scop): Update comment.
5805
5806 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5807
5808         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5809         more colors.
5810
5811 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5812
5813         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5814         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5815         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5816         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5817         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5818
5819 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5820
5821         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5822         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5823         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5824         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5825         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5826
5827 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5828
5829         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5830         Check affine expressions depending on the outermost loop
5831         instead of a scop.
5832         (stmt_simple_for_scop_p): Same.
5833         (harmfule_stmt_in_scop): Same.
5834
5835 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5836
5837         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5838         mark entry and exit, that are not part of the SCoP and update HTML
5839         formatting.
5840
5841 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5842
5843         * graphite.c (basic_block_simple_for_scop_p): Renamed
5844         harmful_stmt_in_bb.
5845         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5846         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5847         (all_preds_visited_p, all_succs_visited_p,
5848         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5849         scop_end_loop): New.
5850         (build_scops): Do not use dfs_enumerate_from.
5851
5852         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5853
5854 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5855
5856         * graphite.c: Add comments to functions that are missing a
5857         description.
5858         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5859
5860 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5861
5862         * graphite.c (nb_params_in_scop): Moved...
5863         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5864         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5865         (clast_to_gcc_expression): Reduce column size to less than 80.
5866         (graphite_create_iv): Return the new name of the IV.
5867         (find_transform): Set options->esp and options->cpp.
5868         (gloog): Comment out the invalidation of the old loop code.
5869         (initialize_dependence_polyhedron): Replace scop_nb_params with
5870         nb_params_in_scop.
5871
5872         * graphite.h (nb_params_in_scop): ... here.
5873         (scop_nb_params): Removed.
5874         (loop_domain_dim): Return something even when the loop was not
5875         found in the hash table: avoid ICEing on all the graphite.exp
5876         testcases.
5877
5878 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5879
5880         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5881
5882         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5883         according to nesting level.
5884         (find_scop_parameters): Call instantiate_parameters.
5885         (scan_tree_for_params): Extend it to handle general affine bounds.
5886         Inner loop bound can depend on outer loop induction variable.
5887         (setup_cloog_loop): tmp variable is allocated on stack. Call
5888         instantiate_parameters with respect to outermost_loop_in_scop.
5889         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5890         graphite.h.
5891         (create_empty_loop): Function loopify should be given edge
5892         probability, instead of edge frequency. Dominance relation from
5893         switch_bb to loop_header.
5894         (clast_to_gcc_expression): Added handling of clast_reduction node.
5895         (gloog): New functionality for removing old loop.
5896         (test_dependence): Factored out from build_rdg_all_levels.
5897         (build_rdg_all_levels): Dependence testing factored out to
5898         test_dependence function.
5899
5900         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5901         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5902         from graphite.c
5903
5904 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5905
5906         * graphite.c (free_scop, param_index, initialize_cloog_names,
5907         nb_params_in_scop): Use name_tree map instead of just a tree
5908         for keeping track of the variable name associated to that tree.
5909         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5910         clast_to_gcc_expression, graphite_create_iv,
5911         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5912         graphite_stmt_to_gcc_stmt): New.
5913         (gloog): Call these.
5914         * graphite.h (struct name_tree): New.
5915         (struct scop): Use name_tree instead of tree for params.
5916         Store a vector of name_tree for new_ivs.
5917         (SCOP_NEWIVS): New.
5918         (scop_nb_params): Use name_tree instead of tree.
5919
5920 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5921             Sebastian Pop  <sebastian.pop@amd.com>
5922
5923         * tree-bounds.c: New.
5924         * tree-bounds.h: New.
5925         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5926         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5927         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5928         flag_mudflap.
5929         * gcc.c: Same.
5930         * toplev.c: Same.
5931         * c-cppbuiltin.c: Same.
5932         * c-pragma.c: Same.
5933         * common.opt: Same.
5934         * varasm.c: Same.
5935         * tree-outof-ssa.c: Same.
5936         * c-common.c: Same.
5937         * Makefile.in: Same.
5938
5939 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5940             Sebastian Pop  <sebastian.pop@amd.com>
5941
5942         * tree-loop-distribution.c (remaining_stmts,
5943         upstream_mem_writes): Removed static variables.
5944         (copy_loop_before, create_bb_after_loop,
5945         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5946         rdg_build_components, rdg_build_partitions,
5947         dump_rdg_partitions): Extern.
5948         (generate_loops_for_partition, generate_code_for_partition): Do not
5949         return a bool.
5950         (already_processed_vertex_p, predecessor_has_mem_write,
5951         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5952         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5953         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5954         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5955         Pass remaining_stmts and upstream_mem_writes as parameters.
5956         (rdg_component): Moved...
5957         (build_rdg_partition_for_component): Do not aggregate components when
5958         flag_streamize_loops is set.
5959         (gen_sequential_loops): New.
5960         (ldist_gen): Call gen_sequential_loops.
5961
5962         * tree-pass.h (pass_loop_streamization): Declared.
5963
5964         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5965         basic blocks when loops structures exist.
5966
5967         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5968
5969         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5970
5971         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5972         eliminate_local_variables_stmt, eliminate_local_variables,
5973         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5974         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5975         of code delimited by two edges in the CFG.
5976         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5977         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5978         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5979         the case of parallelisation of reductions.
5980         (create_loop_fn): Extern.
5981         (create_omp_parallel_region): New.
5982
5983         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5984         dump_data_reference for printing dra and drb.
5985         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5986         RDGE_RELATION.
5987         (build_rdg): Don't call free_dependence_relations for the moment, as
5988         we attach dependence relations on each edge of the RDG.
5989         To be fixed later.
5990
5991         * tree-data-ref.h (rdg_component): ...here.
5992         (struct rdg_edge): New field ddr_p relation.
5993         (RDGE_RELATION): New.
5994         (create_bb_after_loop, copy_loop_before,
5995         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5996         rdg_build_partitions, dump_rdg_partitions,
5997         free_rdg_components): Declared.
5998
5999         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6000         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6001
6002         * tree-loop-streamization.c: New.
6003
6004         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6005         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6006
6007         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6008
6009         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6010
6011         * passes.c: Schedule pass_loop_streamization.
6012
6013 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6014
6015         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6016         update comment.
6017
6018 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6019
6020         * graphite.c (dot_all_scops): Update formatting.
6021         Bbs can now be part of more than one SCoP.
6022
6023 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6024
6025         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6026         malloc problems.
6027         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6028         * graphite.h (loop_to_cloog_loop): New.
6029
6030 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6031
6032         * graphite.c (loop_domain_dim, ref_nb_loops,
6033         loop_iteration_vector_dim): New.
6034         (build_access_matrix_with_af, build_access_matrix,
6035         initialize_dependence_polyhedron): Fixed for new matrix layout.
6036         No longer assume that all iteration domains are of the same
6037         dimensionality.
6038
6039 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6040
6041         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6042         defined in a loop at depth 0 is invariant.
6043         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6044         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6045         be called at loop depth 0.
6046
6047         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6048         a parameter.
6049         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6050         (down_open_scop): Removed.
6051         (loop_in_scop_p): Redefined.
6052         (scop_affine_expr): New argument: scop.
6053         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6054         a harmful statement ending a scop.
6055         (basic_block_simple_for_scop_p): New argument: scop.
6056         (get_loop_start): Removed.
6057         (new_scop): Initialize SCOP_LOOPS.
6058         (free_scop): Free SCOP_LOOPS.
6059         (succs_at_same_depth, preds_at_same_depth): New.
6060         (end_scop): Test the validity of a scop.
6061         (add_dominators_to_open_scops): New.
6062         (test_for_scop_bound): Call add_dominators_to_open_scops.
6063         Add cases for opening and closing multiple scops.
6064         (build_scops, build_scop_bbs): Iterate over basic blocks in
6065         depth first order.
6066         (build_graphite_bb): Pass scop directly.
6067         (dfs_bb_in_scop_p): New.
6068         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6069         several times.
6070         (nb_loops_around_gb): Use loop_in_scop_p.
6071         (schedule_to_scattering): Disabled for the moment the code computing
6072         the "textual order for outer loop".
6073
6074         * graphite.h (struct scop): New field loops.
6075         (SCOP_LOOPS): New.
6076         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6077
6078         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6079
6080 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6081             Sebastian Pop  <sebastian.pop@amd.com>
6082
6083         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6084         * common.opt (fstreamize-loops): New.
6085         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6086         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6087         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6088         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6089
6090 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6091
6092         * tree-data-ref.c (build_empty_rdg): New.
6093         (build_rdg): Use it.
6094         * tree-data-ref.h (build_empty_rdg): Declared.
6095         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6096         (find_vertex_for_stmt): Removed.
6097         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6098
6099 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6100
6101         * tree-loop-distribution.c (generate_builtin): After cancelling the
6102         loop tree, also delete basic blocks.
6103         (rdg_flag_uses): Stop recursion when a vertex has already been
6104         processed.
6105
6106 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6107
6108         * graphite.c (build_scop_alpha): Removed.
6109         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6110         and dump_dependence_graph to avoid compiler warnings.
6111
6112 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6113
6114         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6115         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6116         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6117         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6118         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6119         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6120         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6121         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6122         dump_dependence_graph): New.
6123         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6124         (GBB_ALPHA): New.
6125         (struct scop): New field loop2cloog_loop.
6126         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6127         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6128
6129 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6130
6131         * graphite.c (build_graphite_bb): Fix initialization
6132         of the graphite basic block.
6133
6134 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6135
6136         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6137         loop domain matrix.  Pass in the number of loops contained in the
6138         constraint matrix.
6139         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6140         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6141         loops that are not surrounding the current loop are not represented
6142         in the domain constraint matrix.
6143         (build_scop_iteration_domain): Initial domain constraint matrix
6144         contains only the eq/ineq, cst, and scop parameters columns.
6145
6146 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6147
6148         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6149         (print_graphite_bb): Print scattering.
6150
6151 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6152
6153         * graphite.c (initialize_cloog_names): Initialize names of
6154         scattering variables.
6155
6156 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6157
6158         * graphite.c (dot_all_scops_1): Disable debug output while
6159         printing graph.
6160
6161 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6162
6163         * graphite.c (find_transform): Change cloog output language to C.
6164
6165 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6166
6167         * tree-loop-distribution.c (generate_memset_zero,
6168         generate_builtin, generate_code_for_partition,
6169         rdg_flag_all_uses): New.
6170         (rdg_flag_uses): Gather in the same partition the statements defining
6171         the VUSES of the current statement.
6172         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6173         Gather in the same partition not only the stores to the same memory
6174         access, but also the reads.
6175         (ldist_generate_loops): Renamed ldist_gen.
6176
6177 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6178             Tobias Grosser  <grosser@fmi.uni-passau.de>
6179
6180         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6181         next pointer, don't use the inner pointer.
6182
6183 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6184
6185         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6186         (find_transform): Call dot_all_1.
6187         * graphite.h (dot_all_scops): Declared.
6188
6189 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6190
6191         * tree-loop-distribution.c: Fix apsi.f ICE.
6192         (create_bb_after_loop): New.
6193         (generate_loops_for_partition): Use it.
6194         * testsuite/gfortran.dg/ldist-1.f90: New.
6195
6196         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6197         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6198
6199 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6200
6201         * graphite.c (find_transform): Dump cloog program sent to cloog.
6202
6203 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6204
6205         * graphite.c (initialize_cloog_names): Initialize cloog
6206         iterator names.
6207
6208 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6209
6210         * graphite.c (build_scop_context): Fix typo, for the matrix
6211         format: insert '0 >= 0' instead of '-1 >= 0'.
6212
6213 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6214
6215         * Fix merge problems.
6216
6217 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6218
6219         * graphite.c (setup_cloog_loop): Fix typo.
6220
6221 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6222
6223         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6224         * tree-loop-distribution.c: Reimplemented.
6225         * tree-pass.h (pass_loop_distribution): New.
6226         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6227         print_loops.
6228         * graphds.h (struct graph): New field indexes.
6229         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6230
6231         * tree-vect-analyze.c: Remove declaration of static functions when not
6232         needed.
6233         * tree-vectorizer.c: Same.
6234         (rename_variables_in_loop): Now extern.
6235         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6236         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6237         calling redirect_edge_and_branch_force.
6238
6239         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6240
6241         * tree-data-ref.c: Don't include tree-chrec.h.
6242         (debug_data_dependence_relations): New.
6243         (dump_data_dependence_relation): Call dump_data_reference on data refs
6244         in the relation.
6245         (same_access_functions): Moved...
6246         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6247         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6248         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6249         struct rdg_vertex_info, ): New.
6250         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6251         at DDR_REVERSED_P.
6252         (create_rdg_vertices): Initialize the htab of graph->indexes.
6253         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6254         (stmts_from_loop): Don't save LABEL_EXPR.
6255         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6256         hash_stmt_vertex_del): New.
6257         (build_rdg): Initialize rdg->indexes.
6258         (free_rdg, stores_from_loop, ref_base_address,
6259         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6260         have_similar_memory_accesses_1, ref_base_address_1,
6261         remove_similar_memory_refs): New.
6262
6263         * tree-data-ref.h: Include tree-chrec.h.
6264         (debug_data_dependence_relations): Declared.
6265         (same_access_functions): ...here.  Now static inline.
6266         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6267         ddr_dependence_level): New.
6268         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6269         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6270         RDG_MEM_READS_STMT): New.
6271         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6272         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6273         rdg_vertex_for_stmt): Declared.
6274         (struct rdg_edge): New field level.
6275         (RDGE_LEVEL, free_rdg): New.
6276         (stores_from_loop, remove_similar_memory_refs,
6277         rdg_defs_used_in_other_loops_p,
6278         have_similar_memory_accesses): Declared.
6279         (rdg_has_similar_memory_accesses): New.
6280
6281         * lambda.h (dependence_level): New.
6282         * common.opt (ftree-loop-distribution): New.
6283         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6284         (print_loop_ir): Renamed print_loops.
6285         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6286         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6287         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6288         (tree-loop-distribution.o): Added.
6289         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6290         (mark_virtual_ops_in_bb): New.
6291         (print_loops_bb, debug_loop_num, debug_loop): New.
6292         * passes.c: Scheduled pass_loop_distribution.
6293
6294 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6295
6296         * graphite.c (scan_tree_for_params): Correct the number of columns
6297         for polylib format.
6298         (nb_flat_iterator): New.
6299         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6300         (build_scop_iteration_domain): Correct the number of columns for
6301         polylib format.
6302
6303 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6304
6305         * Merge from mainline (129697:130800).
6306
6307 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6308
6309         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6310         dominated by SCoP's exit.
6311         (graphite_transform_loops): Compute post dominators.
6312
6313 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6314
6315         * Merge from mainline (127169:129697).
6316
6317 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6318
6319         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6320         parameter for the basic block that contains the expression.  Use
6321         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6322         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6323         the expression.
6324         * graphite.h (gbb_loop): New.
6325         (GBB_LOOP): Removed.
6326
6327 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6328
6329         * Makefile.in: Fix merge problem.
6330
6331 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6332
6333         * Merge from mainline (125309:127169).
6334         * tree-loop-distribution.c: Disabled.
6335
6336 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6337
6338         * Merge from mainline (r123693:125309).
6339
6340 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6341
6342         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6343         correct_modify_p
6344         (correct_modify_p, check_statements, number_of_lvalue_uses,
6345         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6346         instead of MODIFY_EXPR.
6347         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6348         and push new edges.
6349
6350 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6351
6352         * tree-loop-distribution.c (struct rdg): Replace arrays by
6353         VECs for edges and vertices.
6354         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6355         (RDGV_NB_PARTITIONS): New.
6356         (PRDG_NBV, PRDG_NBE): Removed.
6357         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6358         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6359         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6360
6361 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6362             Sebastian Pop  <sebpop@gmail.com>
6363
6364         * doc/invoke.texi (-ftree-loop-distribution): Document.
6365         * tree-loop-distribution.c: New file.
6366         * tree-pass.h (pass_loop_distribution): Declared.
6367         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6368         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6369         and set reversed_p.
6370         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6371         (DDR_REVERSED_P): New.
6372         * common.opt (-ftree-loop-distribution): New.
6373         * tree-flow.h (distribute_loops): Declared.
6374         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6375         * passes.c (init_optimization_passes): Schedule loop distribution.
6376
6377 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6378
6379         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6380         (print_scop): Don't print when scop is NULL.
6381         (build_scop_context, find_transform): Don't output to stderr.
6382
6383 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6384
6385         * tree-data-ref.c: Don't include graphite.h.
6386         Comment out the code for printing data reference's scop.
6387         (build_access_matrix_with_af): Moved...
6388         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6389         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6390         (print_graphite_bb): Print basic block's schedule.
6391         (print_scop): Don't print the schedule, call cloog's pretty printer.
6392         (bb_in_scop_p): A basic block is in a scop only if it is both
6393         dominated and postdominated by the scop's entry and exit basic blocks.
6394         (function_parameter_p): New.
6395         (invariant_in_scop_p): Use function_parameter_p.
6396         (new_scop, save_scop): New.
6397         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6398         save_scop.
6399         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6400         (loop_in_scop_p): New.
6401         (scop_record_loop): Use loop_in_scop_p.
6402         (build_scop_domain): Renamed build_scop_iteration_domain.
6403         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6404         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6405         setup_cloog_loop, dot_scop_1, dot_scop): New.
6406         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6407         (struct scop): Add a pointer to cloog's representation of a program.
6408
6409 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6410
6411         * doc/invoke.texi (-ftree-check-verbose): Renamed
6412         -ftree-checks-verbose.
6413         * common.opt (flag_tree_check_verbose): Renamed
6414         flag_tree_checks_verbose.
6415         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6416
6417 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6418
6419         * configure: Regenerated.
6420         * config.in: Regenerated.
6421         * tree-ssa-loop.c (graphite_transforms): Execute
6422         graphite_transform_loops only when HAVE_cloog.
6423         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6424         * graphite.c: Include polylibgmp.h and cloog.h.
6425         (graphite_transform_loops): Removed loops parameter.
6426         * tree-flow.h (graphite_transform_loops): Update declaration.
6427         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6428         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6429         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6430         (OBJS-common): Remove dependence on graphite.o.
6431         (BACKEND): Depend on @GRAPHITE@.
6432
6433 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6434
6435         * doc/invoke.texi (-ftree-check-verbose): Documented.
6436         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6437         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6438         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6439         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6440         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6441         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6442         * common.opt (ftree-checks-verbose): New.
6443         * tree-check.c (tree_check_warning): Move extra stderr output
6444         under control of flag_tree_check_verbose.
6445
6446 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6447
6448         * tree-match.c: Fix comments formatting.
6449         * tree-match.h: Fix comments formatting.
6450         * tree-check.c: Fix comments formatting.
6451         (tree_check_init): Restructure.
6452
6453 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6454
6455         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6456
6457 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6458
6459         * Merge from mainline (r120733:123693).
6460
6461 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6462
6463         * condate.y: New file.
6464         * tree-match.h (struct patt_info_s): New field sign.
6465         (struct condate_s): New field msg.
6466         (normalize_condate, name_condate, add_condate): New.
6467         (conds[], condate_parse): Made extern.
6468         * tree-check.c (tree_check_warning): First arg changed to cond;
6469         warning reformatted.
6470         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6471         (tree_scan): New.
6472         (tree_check): Process trivial condates.
6473         (read_delimited_string): Removed.
6474         (print_cond): Print name and msg.
6475         (conds[]): Made extern.
6476         (parse_tree_check_file_once): Rewritten to use the parser in
6477         condate.y.
6478         Processing of option --tree_check_string moved to tree_scan().
6479         * Makefile.in: Added condate.y
6480
6481 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6482
6483         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6484         Use VECs instead of varrays.
6485         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6486         * Makefile.in (pretty-print.o): Depend on vec.h.
6487         * pretty-print.c: Include tree.h and vec.h.
6488         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6489         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6490         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6491         pp_free_list): Use VECs instead of varrays.
6492         * pretty-print.h: Do not include varray.h.
6493         (struct tree_chunk_s): Declaration moved before its use.
6494         (output_buffer): Rename varray field to chunks.
6495         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6496         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6497         save_global_holes): Use VECs instead of varrays.
6498         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6499         * tree-check.c (scan_cfg_stmts, push_node,
6500         print_matching_stmt): Removed.
6501         (tree_check_instance, push_global_holes_if_new, tree_check,
6502         execute_tree_check): Use VECs instead of varrays.
6503         (gate_tree_check): Don't execute the CFG check when basic_block_info
6504         is not available.
6505
6506 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6507
6508         * Merge from mainline (r115016:120733).
6509
6510 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6511
6512         * Merge from mainline (r117632:117661).
6513
6514 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6515
6516         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6517         * tree-pass.h (TDF_DEBUG, debug_p): New.
6518         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6519         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6520         get_loop_exit_condition, analyze_evolution_in_loop,
6521         analyze_initial_condition, analyze_scalar_evolution,
6522         instantiate_parameters, number_of_latch_executions): Use debug_p.
6523         * tree-chrec.c (chrec_apply): Use debug_p.
6524         * tree-data-ref.c: Include graphite.h.
6525         (dump_data_reference): Print also the access matrix.
6526         (analyze_array, analyze_indirect_ref, init_data_ref,
6527         analyze_offset_expr, address_analysis, object_analysis,
6528         create_data_ref, finalize_ddr_dependent,
6529         non_affine_dependence_relation, analyze_ziv_subscript,
6530         analyze_siv_subscript_cst_affine,
6531         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6532         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6533         analyze_miv_subscript, analyze_overlapping_iterations,
6534         build_classic_dist_vector, subscript_dependence_tester,
6535         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6536         (build_access_matrix_with_af): No longer static.
6537         * tree-data-ref.h (scop_p): ... declaration here.
6538         (data_reference.scop): New field.
6539         (DR_SCOP, DR_ACCESS_MATRIX): New.
6540         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6541         * graphite.c (print_graphite_bb): Call dump_data_references.
6542         (print_scop): Use scop_nb_loops and scop_dim_domain.
6543         (test_for_scop_bound): Use debug_p.
6544         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6545         scop_nb_params.
6546         (scop_loop_index): Moved...
6547         (scop_record_loop): New.
6548         (build_scop_loop_nests): Use scop_record_loop.
6549         (build_scop_domain): Use scop_dim_domain.
6550         (build_access_matrix): Implemented.
6551         (build_scop_canonical_schedules): Use scop_nb_loops.
6552         (build_graphite_bb): Initialize GBB_SCOP.
6553         * graphite.h (scop_p): Moved...
6554         (graphite_bb.scop): New field.
6555         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6556         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6557         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6558         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6559         scop_loop_index): New.
6560         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6561
6562 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6563
6564         * Merge from mainline (r117661:120450).
6565
6566 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6567
6568         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6569         at the first declaration outside the varying loop, instantiate as
6570         far as possible.
6571         * tree-chrec.c (for_each_scev_op): New.
6572         * tree-chrec.h (for_each_scev_op): Declared.
6573         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6574         * tree-data-ref.c (get_references_in_stmt,
6575         find_data_references_in_stmt): New, from trunk.
6576         (find_data_references_in_loop): Use get_references_in_stmt
6577         and find_data_references_in_loop, modified as in trunk.
6578         (build_access_matrix_with_af): New.
6579         * tree-data-ref.h (data_reference): Add a field access_matrix.
6580         (data_ref_loc): New, as in trunk.
6581         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6582         invariant_in_scop_p, param_index, scan_tree_for_params,
6583         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6584         idx_record_param, idx_record_params, build_access_matrix,
6585         build_scop_data_accesses, build_scop_canonical_schedules,
6586         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6587         build_scop_params): New.
6588         * graphite.h (graphite_bb): New.
6589         (scop): Add fields static_schedule, params, loop_nest,
6590         iteration_domain.
6591         * lambda.h: Declare vecs of lambda_matrix.
6592         * tree-flow.h (print_loop_ir_bb): Declared.
6593         * tree-cfg.c (print_loop_ir_bb): New.
6594         (print_loop): Use print_loop_ir_bb.
6595
6596 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6597
6598         * Merge from mainline (r115016:117632).
6599
6600 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6601
6602         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6603         break due to a warning.
6604
6605 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6606
6607         * graphite.c (print_scops, debug_scops): New.
6608         (graphite_transform): Renamed graphite_find_transform.
6609         * graphite.h (debug_scops): Declared.
6610
6611 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6612
6613         * tree-match.c: Reformat following the GNU style.
6614         * tree-match.h: Reformat following the GNU style.
6615         * tree-pattern.h: Removed empty file.
6616         * Makefile.in: Remove references to tree-pattern.h.
6617         * tree-check.c: Reformat following the GNU style.
6618         (execute_tree_check): Move gate condition code to...
6619         (gate_tree_check): ...here.  New function.
6620         (pass_check): Use the gate function.
6621
6622 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6623
6624         * tree-pattern.h: New. Tree pattern matching and checking using
6625         concrete syntax.
6626         * tree-check.c: New. Tree/CFG checking pass.
6627         * tree-match.c: New. Library for tree pattern matching.
6628         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6629         * toplev.c, flags.h: Add globals for tree-check pass.
6630         * Makefile.in: Integrate the files in tree-check pass.
6631         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6632         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6633         Introduce a "lazy" pretty-print mode.
6634         * tree.c, tree.h: Add tree_name.
6635
6636 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6637
6638         * doc/invoke.texi (-fgraphite): Correct typo.
6639         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6640         use of print_loop_ir.
6641         * testsuite/gcc.dg/graphite/scop-1.c: New.
6642         * testsuite/gcc.dg/graphite/scop-2.c: New.
6643         * testsuite/gcc.dg/graphite/graphite.exp: New.
6644         * graphite.c: Include domwalk.h.
6645         (print_scop): Print only the entry and exit blocks.
6646         (debug_scop): No longer static.
6647         (affine_expr): Fix formating.  Return also true when the expression is
6648         constant.
6649         (stmt_simple_for_scop_p): Fix formating.
6650         (build_scops): Use domwalk.
6651         (get_loop_start, end_scop, test_for_scop_bound): New.
6652         (graphite_transform_loops): Avoid printing on stderr.
6653         * graphite.h (debug_scop): Declared.
6654         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6655         * Makefile.in (graphite.o): Depend on domwalk.h.
6656         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6657         declarations for static functions.
6658         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6659         controlling output verbosity.
6660
6661 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6662             Plesco Alexandru  <shurikx@gmail.com>
6663
6664         * doc/invoke.texi (-fgraphite): Document.
6665         * tree-pass.h (pass_graphite_transforms): Declared.
6666         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6667         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6668         (pass_graphite_transforms): Defined.
6669         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6670         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6671         * graphite.c, graphite.h: New.
6672         * common.opt (fgraphite): Declared.
6673         * tree-flow.h (graphite_transform_loops): Declared.
6674         * Makefile.in (OBJS-common): Add graphite.o.
6675         (graphite.o): New rule.
6676         * passes.c (pass_graphite_transforms): Scheduled.
6677