gcc/ChangeLog.graphite

   1 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-dependences.c (build_pairwise_constraint): Renamed
   4         ppl_build_relation.  Moved...
   5         (dr_equality_constraints): Use ppl_build_relation.
   6         (build_pairwise_scheduling_equality): Same.
   7         (build_pairwise_scheduling_inequality): Same.
   8         * graphite-ppl.c (ppl_build_relation): ...here.
   9         * graphite-ppl.h (ppl_build_relation): Declared.
  10
  11 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         PR middle-end/42681
  14         * graphite-clast-to-gimple.c (gloog_error): New static variable.
  15         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
  16         Set gloog_error when such an expression failed to be built.
  17         (translate_clast): Early return when gloog_error is set.
  18         (gloog): Clear gloog_error.  When gloog_error is set, call
  19         set_ifsese_condition to enable the original code.  Return the status
  20         of the code generation based on gloog_error.
  21         * sese.c (set_ifsese_condition): New.
  22         * sese.h (set_ifsese_condition): Declared.
  23
  24         * testsuite/g++.dg/graphite/pr42681.C: New.
  25
  26 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         PR middle-end/42732
  29         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
  30         rename_nb_iterations.
  31         * sese.c (rename_variables_in_operand): New.
  32         (rename_variables_in_expr): New.
  33         (rename_nb_iterations): New.
  34         (sese_adjust_liveout_phis): Update the rename_map.
  35         * sese.h (rename_nb_iterations): Declared.
  36         * tree-scalar-evolution.c (scev_reset_htab): New.
  37         (scev_reset): Call scev_reset_htab.
  38         * tree-scalar-evolution.h (scev_reset_htab): Declared.
  39
  40         * testsuite/gfortran.dg/graphite/pr42732.f: New.
  41
  42 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR middle-end/42393
  45         * graphite-clast-to-gimple.c: Fix formatting.
  46         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
  47         (expr_defined_in_loop_p): New.
  48         (add_loop_exit_phis): Also handle full expressions: remove from
  49         the rename_map the expressions defined in the loop that we're closing.
  50
  51         * testsuite/gfortran.dg/graphite/pr42393-1.f90: New.
  52         * testsuite/gfortran.dg/graphite/pr42393.f90: Add new flags
  53         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
  54         make this testcase useful in the Graphite branch.
  55
  56 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
  57
  58         * graphite-scop-detection.c (exclude_component_ref): Removed.
  59         (is_simple_operand): Removed.
  60         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
  61
  62 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         PR middle-end/42221
  65         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  66         the array indexing of ADDR_EXPRs.
  67
  68         * testsuite/gcc.dg/graphite/pr42221.c: New.
  69
  70 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         PR middle-end/42521
  73         * graphite.c (graphite_finalize): Call scev_reset.
  74         (graphite_transform_loops): Do not call scev_reset between the code
  75         generation of scops.
  76
  77         * testsuite/gcc.dg/graphite/pr42521.c: New.
  78
  79 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         * graphite-interchange.c (memory_stride_in_loop): Renamed
  82         pdr_stride_in_loop.
  83         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
  84         (memory_strides_in_loop): Memoize the memory strides per loop.
  85         (lst_interchange_profitable_p): Do not initialize to zero the memory
  86         strides.
  87         * graphite-poly.h (struct lst): Add a field memory_strides.
  88         (LST_LOOP_MEMORY_STRIDES): New.
  89         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
  90         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
  91
  92 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
  95         memory_strides_in_loop.  Gather memory strides on a whole loop.
  96         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
  97         (lst_interchange_profitable_p): Removed.
  98         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
  99
 100 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 103         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 104         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 105         Remove context_loop and level.
 106
 107 2010-01-07  Richard Guenther  <rguenther@suse.de>
 108
 109         PR tree-optimization/42641
 110         * sese.c (rename_map_elt_info): Use the SSA name version, do
 111         not hash pointers.
 112
 113 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 116         blocked" only when both the strip mine and the interchange have
 117         been applied.
 118
 119         * testsuite/gcc.dg/graphite/block-2.c: Removed.
 120         * testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
 121         * testsuite/gcc.dg/graphite/block-4.c: Same.
 122         * testsuite/gcc.dg/graphite/block-5.c: Same.
 123         * testsuite/gcc.dg/graphite/block-6.c: Same.
 124
 125 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 126
 127         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 128         before allocating a new one.
 129         (copy_renames): Check that slot is not NULL.
 130         (mark_bb_with_pbb): Same.
 131         (compute_cloog_iv_types_1): Same.
 132         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 133         nest, and after LSTs.
 134         (lst_try_interchange_loops): Same.
 135
 136 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         PR middle-end/42178
 139         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 140         the before, nest, and after LSTs.
 141         (lst_try_interchange): Removed.
 142         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 143         were modified.
 144         (lst_interchange_select_outer): Apply interchange on the outer loop
 145         until there are no more changes in the inner loops.
 146
 147 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         Revert patch fixing PR middle-end/42221.
 150
 151 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         PR middle-end/42180
 154         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 155         GIMPLE_CALL.
 156
 157         * testsuite/gfortran.dg/graphite/pr42180.f90: Add compile flags.
 158
 159 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 160
 161         PR middle-end/42180
 162         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 163         that contain only one statement.
 164
 165         * testsuite/gfortran.dg/graphite/pr42180.f90: New.
 166
 167 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         PR middle-end/42393
 170         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
 171
 172 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         PR middle-end/42186
 175         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
 176
 177 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         PR middle-end/42205
 180         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 181         Insert the reduction copy in the same block as the phi node.
 182         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 183
 184         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
 185         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
 186
 187 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         PR middle-end/42221
 190         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 191         the array indexing of ADDR_EXPRs.
 192
 193         * testsuite/gcc.dg/graphite/pr42221.c: New.
 194
 195 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         PR middle-end/42178
 198         PR middle-end/42334
 199         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 200         index.  Call lst_interchange_select_inner only once.
 201         (lst_interchange_select_inner): Update use of lst_try_interchange.
 202         (lst_interchange_select_outer): Update.
 203
 204 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 205
 206         PR middle-end/42178
 207         PR middle-end/42334
 208         * graphite-interchange.c (lst_try_interchange): Do not increment the
 209         the OUTER index when there is no AFTER kernel.  Do not increment the
 210         OUTER index for after processing the AFTER kernel.
 211         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 212         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 213         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 214         (scop_do_interchange): Update use of lst_interchange_select_outer.
 215
 216         * testsuite/gfortran.dg/graphite/graphite.exp
 217         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 218         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 219         the graphite dump file.
 220         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 221         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
 222
 223 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 224
 225         PR middle-end/42178
 226         PR middle-end/42334
 227         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 228         that are empty.
 229         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 230         (lst_try_interchange): Reimplemented.
 231         (lst_interchange_select_inner): Same.
 232         (lst_do_interchange): Renamed lst_interchange_select_outer.
 233         Reimplemented.
 234         (scop_do_interchange): Update use of lst_interchange_select_outer.
 235
 236         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 237         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
 238         * testsuite/gcc.dg/graphite/pr42211.c: New.
 239         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
 240
 241 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 242
 243         PR middle-end/42181
 244         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 245         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 246
 247         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
 248
 249 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 250
 251         PR middle-end/42284
 252         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 253         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 254         (detect_commutative_reduction_arg): Simplified.
 255         (detect_commutative_reduction): Early return when the argument of
 256         the close phi is not of an SSA_NAME.
 257
 258         * testsuite/gcc.dg/graphite/pr42284.c: New.
 259
 260 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 261
 262         * dbgcnt.def (graphite_scop): New counter.
 263         * graphite.c: Include dbgcnt.h
 264         (graphite_transform_loops): Use new counter to limit transformations.
 265
 266 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 267
 268         PR middle-end/42285
 269         * graphite-scop-detection.c (graphite_can_represent_init): Also
 270         handle more complex MULT_EXPRs containing parameters by recursion
 271         on the structure.
 272
 273         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 274
 275 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 276
 277         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 278
 279 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 280
 281         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 282
 283 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 284
 285         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 286         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 287
 288 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 289
 290         PR middle-end/42130
 291         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 292         translate_clast_for_loop): New.
 293         (translate_clast_for): Add a condition around the loop, to do not
 294         execute loops with zero iterations.
 295         * testsuite/g++.dg/graphite/pr42130.C: New.
 296         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 297
 298 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 299
 300         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 301         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 302         Remove context_loop and level.
 303
 304 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 305
 306         * graphite-clast-to-gimple.c (translate_clast_user,
 307         translate_clast_for, translate_clast_guard): Simplify and move common
 308         elements to translate_clast().
 309         (translate_clast): Simplify and get common elements.
 310
 311 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 312
 313         * graphite-clast-to-gimple.c (translate_clast_user,
 314         translate_clast_for, translate_clast_guard): Split out of
 315         translate_clast.
 316
 317 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 318
 319         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 320         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 321         debug_clast_name_indexes_1, debug_clast_name_indexes,
 322         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 323         (clast_name_to_gcc, clast_to_gcc_expression,
 324         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 325         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 326         graphite_create_guard_cond_expr, graphite_create_new_loop,
 327         translate_clast): Add params_index.
 328         (initialize_cloog_names): Create parameter strings from scratch, do
 329         not reference other strings.
 330         (create_params_index): New.
 331         (gloog): Initialize params_index.
 332         * graphite-scop-detection (free_scops_1): Removed.
 333         (limit_scops): Use normal free_scops.
 334         * graphite-sese-to-poly.c (save_var_names): Removed.
 335         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 336         and SESE_PARAMS_INDEX.
 337         * sese.c (new_sese, free_sese): Dito.
 338         * sese.h (struct sese): Remove params_index, params_names.
 339         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 340
 341 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         Revert the following patch from 2009-09-14:
 344         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 345         tree-scalar-evolution.h, and then tree-data-ref.h.
 346         * graphite-clast-to-gimple.c: Same.
 347         * graphite-dependences.c: Same.
 348         * graphite-interchange.c: Same.
 349         * graphite-poly.c: Same.
 350         * graphite-scop-detection.c: Same.
 351         * graphite-sese-to-poly.c: Same.
 352         * graphite.c: Same.
 353         * lambda-code.c: Same.
 354         * matrix-reorg.c: Same.
 355         * tree-data-ref.c: Same.
 356         * tree-if-conv.c: Same.
 357         * tree-loop-distribu: Same.: Same.
 358         * tree-loop-linear.c: Same.
 359         * tree-parloops.c: Same.
 360         * tree-predcom.c: Same.
 361         * tree-vect-patterns.c: Same.
 362
 363 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         Revert patch from 2009-09-14.
 366         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 367         passes at -O1 and below.
 368
 369 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 370
 371         PR middle-end/40281
 372         * testsuite/gcc.dg/graphite/pr40281.c: New.
 373
 374         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 375         evolutions should not variate in inner loops.
 376
 377 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         PR middle-end/42050
 380         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 381
 382 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 383
 384         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 385         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 386
 387 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * graphite-blocking.c (scop_do_block): New.
 390         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 391         * graphite-poly.h (scop_do_block): Declared.
 392
 393 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 396         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 397         to transform depth into the time_depth before calling
 398         pbb_number_of_iterations_at_time.
 399         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 400         lst_depth.
 401
 402 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 403
 404         Reverted the patch for "scattering permutations" from 2009-10-28.
 405
 406         * graphite-poly.c (print_permutation): New.
 407         (debug_permutation): New.
 408         (new_poly_bb): Initialize PBB_PERMUTATION.
 409         (free_poly_bb): Free PBB_PERMUTATION.
 410         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 411         (struct pbb_permutation_elt): New.
 412         (PBB_PERMUTATION_ELT_STRIDE): New.
 413         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 414         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 415         (new_pbb_permutation_elt): New.
 416         (pbb_permutation_elt_free): New.
 417         (struct poly_bb): Add field permutation.
 418         (PBB_PERMUTATION): New.
 419         (print_permutation): Declared.
 420         (debug_permutation): Declared.
 421
 422 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 423
 424         * graphite-interchange.c (build_partial_difference): New.
 425         (memory_stride_in_loop): Refactored the computation of
 426         equality constraints into build_partial_difference function.
 427         Added support for debugging stride computations.
 428
 429 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * graphite-clast-to-gimple.c (gloog): Free if_region,
 432         if_region->true_region, and if_region->region.
 433         * sese.c (if_region_set_false_region): Free if_region->false_region.
 434         (create_if_region_on_edge): Do not use GGC_NEW.
 435         (move_sese_in_condition): Remove useless initialization.
 436
 437 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 440         for the loops created by the loop distribution.  Do not modify the
 441         input LSTs.
 442         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 443         transformed schedule.  Call lst_update_scattering before data
 444         dependence analysis.
 445         (lst_try_interchange): Pass an extra parameter INDEX.
 446         (lst_do_interchange_1): New.
 447         (lst_do_interchange): Call lst_do_interchange_1.
 448         (scop_do_interchange): Call lst_update_scattering.
 449         * graphite-poly.c (apply_poly_transforms): Do not call
 450         lst_update_scattering.
 451         * graphite-poly.h (lst_pred): New.
 452         (lst_succ): New.
 453         (lst_find_first_pbb): Return NULL when not found.
 454         (lst_empty_p): New.
 455         (lst_insert_in_sequence): Allow LST1 to be NULL.
 456         (lst_replace): New.
 457         (lst_substitute_3): New.
 458         * gcc.dg/graphite/interchange-1.c: XFail.
 459         * gcc.dg/graphite/interchange-8.c: XFail.
 460         * gcc.dg/graphite/interchange-11.c: XFail.
 461
 462 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         * graphite-interchange.c (lst_perfectly_nested_p): New.
 465         (lst_perfect_nestify): New.
 466         (lst_try_interchange_loops): Call store_lst_schedule,
 467         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 468         (scop_do_interchange): Avoid redundant legality test.
 469         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 470         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 471         * graphite-poly.h (psct_static_dim): New.
 472         (lst_dewey_number_at_depth): New.
 473         (lst_find_pbb): Restructured.
 474         (lst_find_first_pbb): Restructured.
 475         (lst_find_last_pbb): New.
 476         (lst_contains_p): New.
 477         (lst_contains_pbb): New.
 478         (lst_create_nest): New.
 479         (lst_remove_from_sequence): New.
 480         (pbb_update_scattering): New.
 481         (lst_update_scattering_under): New.
 482         (lst_update_scattering_seq): New.
 483         (lst_update_scattering): New.
 484         (lst_insert_in_sequence): New.
 485         (lst_distribute_lst): New.
 486         (lst_remove_all_before_including_pbb): New.
 487         (lst_remove_all_before_excluding_pbb): New.
 488
 489 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 490
 491         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 492         get_loop_exit_edges.
 493
 494 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 495
 496         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 497
 498 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 499
 500         * graphite-poly.c (print_permutation): New.
 501         (debug_permutation): New.
 502         (new_poly_bb): Initialize PBB_PERMUTATION.
 503         (free_poly_bb): Free PBB_PERMUTATION.
 504         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 505         (struct pbb_permutation_elt): New.
 506         (PBB_PERMUTATION_ELT_STRIDE): New.
 507         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 508         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 509         (new_pbb_permutation_elt): New.
 510         (pbb_permutation_elt_free): New.
 511         (struct poly_bb): Add field permutation.
 512         (PBB_PERMUTATION): New.
 513         (print_permutation): Declared.
 514         (debug_permutation): Declared.
 515
 516 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 517
 518         * graphite-clast-to-gimple.c (gloog): Do not call
 519         sese_reset_aux_in_loops.
 520         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 521         extra argument for domains.  Do not use loop->aux.
 522         (build_scop_iteration_domain): Initialize and free domains, pass it
 523         to build_loop_iteration_domains and extract the information from
 524         domains.  Do not use loop->aux.
 525         * sese.c (sese_reset_aux_in_loops): Removed.
 526         * sese.h (sese_reset_aux_in_loops): Removed.
 527
 528 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 529
 530         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 531         (dependency_in_loop_p): Same.
 532         (translate_clast): Do not use loop->aux.  Initialize
 533         loop->can_be_parallel.
 534         (mark_loops_parallel): Removed.
 535         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 536         * graphite.c (free_aux_in_new_loops): Removed.
 537         (graphite_finalize): Do not call free_aux_in_new_loops.
 538         (graphite_transform_loops): Do not call mark_loops_parallel.
 539
 540 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 541
 542         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 543         (translate_clast): Pass an extra parameter LEVEL.
 544         Call get_scattering_level.
 545         * graphite-clast-to-gimple.h (get_scattering_level): New.
 546
 547 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 550         * cfgloop.h (struct loop): New field single_iv.
 551
 552         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 553         loop->aux anymore: use loop->single_iv.
 554         (graphite_loop_normal_form): Moved...
 555         (build_graphite_loop_normal_form): Removed.
 556         (gloog): Do not call build_graphite_loop_normal_form.
 557         (free_aux_in_new_loops): Moved...
 558         (mark_loops_parallel): Restructure.
 559         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 560         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 561         (scop_canonicalize_loops): New.
 562         (build_poly_scop): Call scop_canonicalize_loops.
 563         * graphite.c (free_aux_in_new_loops): ...here.
 564
 565 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * g++.dg/graphite/graphite.exp: Add the same rules as in
 568         gcc.dg/graphite/graphite.exp.
 569
 570 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * g++.dg/graphite/id-1.C: New.
 573
 574 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 577         argument base_name.
 578         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 579         (rewrite_phi_out_of_ssa): Same.
 580         (rewrite_cross_bb_scalar_deps): Same.
 581         (translate_scalar_reduction_to_array): Same.
 582
 583 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 586         dump_alias_graphs.
 587
 588 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 591         (build_scop_drs): Call dump_alias_graphs.
 592
 593 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 596         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 597         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 598         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 599         * graphite-poly.h (free_lst): New.
 600         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 601         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 602
 603 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 604
 605         * graphite-poly.h (struct scop): Add a field saved_schedule.
 606         (SCOP_SAVED_SCHEDULE): New.
 607         (store_lst_schedule): New.
 608         (restore_lst_schedule): New.
 609         (store_scattering): Call store_lst_schedule.
 610         (restore_scattering): Call restore_lst_schedule.
 611
 612 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 615         (pdr_add_alias_set): Same.
 616         (build_poly_dr): Same.
 617         (build_alias_set_optimal_p): Same.
 618         (build_base_obj_set_for_drs): Same.  Do not store the result of
 619         graphds_dfs.
 620
 621 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 622
 623         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 624         all_components_are_cliques to 1.
 625
 626 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 627
 628         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 629         the new structure.
 630         (pdr_add_alias_set): Update retrieving alias_set_num.
 631         (build_poly_dr): Update retrieving dr_base_object_set.
 632         (partition_drs_to_sets): Remove.
 633         (build_alias_set_optimal_p): New.
 634         (build_alias_set_for_drs): Rename.
 635         (build_scop_drs): Update.
 636         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 637         (ALIAS_SET_INDEX): Remove.
 638         (BASE_OBJECT_SET_INDEX): Remove.
 639
 640 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 643
 644 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 647         loop upper bounds for 1-element arrays at end of structures.
 648         * tree-flow.h (array_at_struct_end_p): Declared.
 649         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 650
 651 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * g++.dg/graphite/pr41305.C: New.
 654
 655 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 656
 657         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 658         construction of parameter constraints from loop iteration analysis.
 659         * gcc.dg/graphite/run-id-2.c: New test.
 660
 661 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 664         and new_cstr.
 665
 666 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 667
 668         * graphite-dependences.c (dependence_polyhedron_1): Remove
 669         unused gdim dimensions from the DDR polyhedron.
 670
 671 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 672
 673         * graphite-dependences.c (pddr_transformed_scattering): New.
 674         (dot_original_deps_stmt_1): New.
 675         (dot_transformed_deps_stmt_1): New.
 676         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 677         dot_transformed_deps_stmt_1.
 678         (dot_original_deps): New.
 679         (dot_transformed_deps): New.
 680         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 681
 682 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-dependences.c (reduction_dr_1): Remove wrong
 685         assert: reduction BBs can have multiple reduction writes
 686         to memory.  interchange-3.f90 is an example.
 687
 688 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 689
 690         * gfortran.dg/graphite/interchange-3.f90: New.
 691
 692 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 695
 696 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 697
 698         * graphite-dependences.c (dependence_polyhedron_1): Add the
 699         context to the dependence polyhedron.
 700
 701 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 702
 703         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 704         PBB_PDR_DUPLICATES_REMOVED.
 705         (new_poly_bb): Same.
 706
 707 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 710         SCOP_CONTEXT.
 711         (build_loop_iteration_domains): Extract bounds on parameters
 712         based on the data size.
 713         (build_scop_context): Do not initialize SCOP_CONTEXT;
 714         add new constraints.
 715
 716 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 719         * graphite-ppl.h (graphite-ppl.h): Declared.
 720
 721 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 722
 723         * graphite-ppl.c (ppl_print_linear_expr): New.
 724         (debug_ppl_linear_expr): New.
 725         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 726         (debug_ppl_linear_expr): Declared.
 727
 728 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 729
 730         * graphite-interchange.c: Fix comments.
 731         * gcc.dg/graphite/block-1.c: Fix comments.
 732
 733 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 736         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 737
 738 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 739
 740         Reapply the patch from Alexander Monakov that disappeared during
 741         the last merges from trunk.
 742
 743         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 744
 745         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 746         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 747
 748 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 749
 750         * graphite-interchange.c (memory_stride_in_loop): The depth
 751         argument corresponds to a dynamic time dimension, so use
 752         psct_dynamic_dim to refer to the transformed scattering dimension.
 753
 754 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 755
 756         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 757
 758 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 759
 760         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 761         root of the LST.
 762         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 763         the root of the LST.
 764         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 765         fake loop.
 766         (print_lst): Print the root of LST in a different format.
 767         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 768
 769 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 770
 771         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 772
 773 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * doc/passes.texi: Document the Graphite infrastructure.
 776
 777 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 780         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 781         and check the SSA representation.
 782
 783         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 784
 785 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 788
 789 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         * gcc.dg/graphite/interchange-11.c: New.
 792
 793 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 794
 795         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 796
 797 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 800         Add -fno-loop-strip-mine and -fno-loop-interchange.
 801         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 802         -fno-loop-strip-mine.
 803         * gfortran.dg/graphite/graphite.exp: Same.
 804
 805 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 806
 807         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 808         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 809         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 810         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 811         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 812         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 813         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 814         DEFAULT_FLAGS_GRAPHITE_SCOP.
 815         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 816         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 817
 818 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 819
 820         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 821
 822 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 823             Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-interchange.c (build_linearized_memory_access): Pass an
 826         offset as parameter.
 827         (memory_stride_in_loop): Include transform scattering in the
 828         access functions to be able to querry the strides in the
 829         transformed loops.
 830         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 831         not the psct_iterator_dim.
 832
 833 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 834
 835         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 836         (lst_do_strip_mine_loop): New.
 837         (lst_do_strip_mine): New.
 838         (scop_do_strip_mine): Call lst_do_strip_mine.
 839         * graphite-poly.h (lst_add_loop_under_loop): New.
 840         (lst_find_first_pbb): New.
 841
 842 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * graphite-poly.c (loop_to_lst): Fix LST creation.
 845
 846 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 847
 848         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 849         sizeof(unsigned long) to make it run on 32bit systems.
 850
 851 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 852
 853         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 854         SEGFAULT on 32bit.
 855
 856 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 857
 858         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 859         Comment.
 860         (write_alias_graph_to_ascii_dot): New.
 861         (write_alias_graph_to_ascii_ecc): Ditto.
 862         (partition_drs_to_sets): Add testing of optimality of current method
 863         which assigns alias numbers according to DFS Comopnent number.  used
 864         as heuristic for the upcoming ECC algorithm.
 865         (build_scop_drs): Write to file also with the ecc and dot format.
 866
 867 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * gfortran.dg/graphite/interchange-1.f: XFail.
 870
 871 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite.c (graphite_initialize): Do not handle functions with
 874         more than 100 basic blocks.
 875
 876 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 877
 878         * graphite-blocking.c (pbb_do_strip_mine): Use
 879         PARAM_LOOP_BLOCK_TILE_SIZE.
 880
 881 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-poly.c (dot_lst_1): New.
 884         (dot_lst): New.
 885         * graphite-poly.h (dot_lst): Declared.
 886
 887 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         * graphite-dependences.c (dot_deps_stmt_1): New.
 890         (dot_deps_stmt): New.
 891         * graphite-dependences.h (dot_deps_stmt): Declared.
 892
 893 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 894
 895         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 896         not replace cross BB scalar dependences ending on PHI nodes.
 897         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 898
 899 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 900
 901         * graphite-poly.c (apply_poly_transforms): Implement the high
 902         level driver for flag_loop_block.
 903         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 904         flag_loop_block.
 905
 906         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 907         -floop-block.
 908         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 909         Add -floop-block.
 910
 911 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-poly.h (lst_find_pbb): New.
 914         (find_lst_loop): New.
 915
 916 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 917
 918         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 919         * graphite-poly.h (struct scop): Remove dep_graph field.
 920         (SCOP_DEP_GRAPH): Removed.
 921
 922 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-poly.h (copy_lst): Do full copy of LST.
 925
 926 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 927
 928         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 929         when the loop stride is zero.
 930
 931         * gcc.dg/graphite/id-16.c: New.
 932
 933 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * graphite-dependences.c (reduction_dr_1): New.
 936         (reduction_dr_p): New.
 937         (graphite_legal_transform_dr): Call reduction_dr_p.
 938         (reduction_ddr): Renamed reduction_ddr_p.
 939         * graphite-poly.h (same_pdr_p): New.
 940         (number_of_write_pdrs): New.
 941         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 942         (split_reduction_stmt): Do not split reduction statements
 943         when there are no writes to memory.
 944         (translate_scalar_reduction_to_array_for_stmt): Insert the
 945         memory reduction statement just after the scalar reduction statement.
 946
 947         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 948         Un-XFAIL-ed.
 949         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 950         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 951
 952 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-interchange.c (lst_apply_interchange): New.
 955         (lst_interchange_profitable_p): New.
 956         (lst_try_interchange_loops): New.
 957         (lst_try_interchange): New.
 958         (lst_do_interchange): New.
 959         (pbb_do_interchange): Removed.
 960         (scop_do_interchange): Call lst_do_interchange.
 961
 962 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 963
 964         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 965         SCOP_TRANSFORMED_SCHEDULE.
 966         (loop_to_lst): New.
 967         (scop_to_lst): New.
 968         (print_lst): New.
 969         (debug_lst): New.
 970         * graphite-poly.h (lst_p): New.
 971         (struct lst): New.
 972         (LST_LOOP_P): New.
 973         (LST_LOOP_FATHER): New.
 974         (LST_PBB): New.
 975         (LST_SEQ): New.
 976         (scop_to_lst): Declared.
 977         (print_lst): Declared.
 978         (debug_lst): Declared.
 979         (new_lst_loop): New.
 980         (new_lst_stmt): New.
 981         (copy_lst): New.
 982         (lst_depth): New.
 983         (lst_dewey_number): New.
 984         (struct scop): Add original_schedule and transformed_schedule fields.
 985         (SCOP_ORIGINAL_SCHEDULE): New.
 986         (SCOP_TRANSFORMED_SCHEDULE): New.
 987         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 988
 989 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-dependences.c (reduction_ddr): New.
 992         (graphite_legal_transform_bb): Call reduction_ddr.
 993         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 994         Initialize PBB_IS_REDUCTION.
 995         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 996         (PBB_IS_REDUCTION): New.
 997         (new_poly_bb): Update declaration.
 998         * graphite-scop-detection.h (build_scop_bbs): Removed.
 999         (nb_reductions_in_loop): Removed.
1000         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1001         parameter for reductions.
1002         (try_generate_gimple_bb): Update call to new_poly_bb.
1003         (build_scop_bbs_1): Same.
1004         (build_scop_bbs): Same.
1005         (gsi_for_phi_node): New.
1006         (scalar_close_phi_node_p): Remove gcc_assert.
1007         (split_reduction_stmt): New.
1008         (is_reduction_operation_p): New.
1009         (phi_contains_arg): New.
1010         (follow_ssa_with_commutative_ops): New.
1011         (detect_commutative_reduction_arg): New.
1012         (detect_commutative_reduction_assign): New.
1013         (follow_inital_value_to_phi): New.
1014         (edge_initial_value_for_loop_phi): New.
1015         (initial_value_for_loop_phi): New.
1016         (detect_commutative_reduction): New.
1017         (translate_scalar_reduction_to_array_for_stmt): New.
1018         (insert_copyout): New.
1019         (insert_copyin): New.
1020         (translate_scalar_reduction_to_array): New.
1021         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1022         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1023         (rewrite_commutative_reductions_out_of_ssa): New.
1024         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1025         * sese.h (split_region_for_bb): New.
1026
1027         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1028         * gcc.dg/graphite/interchange-1.c: Fix format.
1029         * gcc.dg/graphite/interchange-10.c: New.
1030
1031 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1032
1033         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1034         buggy assert.
1035
1036 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1037
1038         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1039         (rewrite_cross_bb_scalar_dependence): New.
1040         (rewrite_cross_bb_scalar_deps): New.
1041         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1042         Call rewrite_cross_bb_scalar_deps.
1043
1044 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1045
1046         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1047         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1048         gsi_for_stmt.
1049
1050 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1053         * graphite-interchange.c (pbb_do_interchange): Same.
1054         * graphite-poly.c (print_scattering_function): Same.
1055         (debug_pdrs): Same.
1056         * graphite-poly.h (pbb_loop): New.
1057         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1058
1059 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1062
1063 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1066         so don't pass a pointer to it.
1067         (build_alias_set_for_drs): Same.
1068         (build_base_obj_set_for_drs): Same.
1069         (build_scop_drs): Same.
1070
1071 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1072
1073         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1074         the alias graph of data references.
1075
1076 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1077
1078         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1079         (build_scop_drs): When debugging, write the alias graph to file,
1080         otherwise, should be disabled.
1081
1082 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1083
1084         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1085         (is_simple_operand): Remove call to stmt_simple_memref_p.
1086         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1087
1088 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1089
1090         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
1091         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
1092         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
1093         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
1094         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
1095
1096 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1097
1098         PR middle-end/41118
1099         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1100         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1101         (graphite_carried_dependence_level_k): Ditto.
1102         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1103         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1104         (new_poly_dr): Adjust declaration.
1105         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1106         (free_gimple_bb): Added free_data_refs_aux.
1107         (build_poly_dr): Add dr_base_object_set.
1108         (partition_drs_to_sets): New.
1109         (dr_same_base_object_p): New.
1110         (build_alias_set_for_drs): New.
1111         (build_base_object_set_for_drs): New.
1112         (build_scop_drs): Add build_base_obj_set_for_drs.
1113         * graphite-sese-to-poly.h: Added #define for alias set number index and
1114         base object set index.
1115         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1116         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1117
1118 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1119
1120         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1121         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1122
1123 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1124
1125         * graphite-sese-to-poly.c (struct irp_data): Removed.
1126         (idx_record_params): Removed.
1127         (find_params_in_bb): Scan for parameters the access functions; don't
1128         parse the tree representation.
1129
1130 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1131
1132         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1133         passes at -O1 and below.
1134
1135 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1138         tree-scalar-evolution.h, and then tree-data-ref.h.
1139         * graphite-clast-to-gimple.c: Same.
1140         * graphite-dependences.c: Same.
1141         * graphite-interchange.c: Same.
1142         * graphite-poly.c: Same.
1143         * graphite-scop-detection.c: Same.
1144         * graphite-sese-to-poly.c: Same.
1145         * graphite.c: Same.
1146         * lambda-code.c: Same.
1147         * matrix-reorg.c: Same.
1148         * tree-data-ref.c: Same.
1149         * tree-if-conv.c: Same.
1150         * tree-loop-distribu: Same.: Same.
1151         * tree-loop-linear.c: Same.
1152         * tree-parloops.c: Same.
1153         * tree-predcom.c: Same.
1154         * tree-vect-patterns.c: Same.
1155
1156 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         Partially revert the previous patch, except the following.
1159         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1160         as parameters the operands of the not expression.
1161
1162 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1163
1164         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1165         Do not call analyze_scalar_evolution on assignments.
1166         (instantiate_scev_phi): Call analyze_scalar_evolution.
1167         (instantiate_scev_name): Call instantiate_scev_assign and
1168         instantiate_scev_phi.
1169         (instantiate_scev_not): Adapted to pass as parameters the operands
1170         of the not expression.
1171
1172 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1175         to pass as parameters the operands of the binary expression.
1176
1177 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1180         instantiate_scev_not.  Handle NEGATE_EXPR.
1181         (instantiate_scev_r): Handle NEGATE_EXPR.
1182
1183 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1186         instantiate_scev_r.
1187         (instantiate_scev_r): Move code in instantiate_scev_2
1188         and instantiate_scev_1.
1189
1190 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * tree-scalar-evolution.c (instantiate_scev_3): New.
1193         (instantiate_scev_1): Move code in instantiate_scev_3.
1194
1195 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1198         (instantiate_scev_1): Move code in instantiate_scev_poly.
1199
1200 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1201
1202         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1203         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1204
1205 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1208         (instantiate_scev_1): Move code in instantiate_scev_convert.
1209
1210 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1213         (instantiate_scev_1): Move code in instantiate_scev_binary.
1214
1215 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         * tree-scalar-evolution.c (instantiate_scev_name): New.
1218         (instantiate_scev_1): Move code in instantiate_scev_name.
1219
1220 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * Merge from mainline (150992:151171).
1223
1224 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         * graphite-dependences.c (graphite_legal_transform_bb): Call
1227         pbb_remove_duplicate_pdrs.
1228         * graphite-poly.c (can_collapse_pdr): Removed.
1229         (pdr_find_duplicate): Removed.
1230         (can_collapse_pdrs): New.
1231         (pbb_remove_duplicate_pdrs): New.
1232         (new_poly_dr): Do not look for duplicates.
1233         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1234         (PBB_PDR_DUPLICATES_REMOVED): New.
1235         (pbb_remove_duplicate_pdrs): Declared.
1236
1237 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1240         the strides by multiplying by PDR_NB_REFS.
1241         * graphite-poly.c (can_collapse_pdr): New.
1242         (pdr_find_duplicate): New.
1243         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1244         Initialize PDR_NB_REFS.
1245         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1246         (PDR_NB_REFS): New.
1247         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1248
1249 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         Revert one of the previous commits:
1252         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1253         the computation of symmetric data dependence relations.
1254         (dependency_between_pbbs_p): Same.
1255
1256 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         PR middle-end/40965
1259         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1260         any transform.
1261
1262 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-dependences.c (pddr_original_scattering): Return NULL
1265         for read-read dependence relations.
1266         * graphite-poly.h (enum poly_dr_type): Fix comment.
1267         (pdr_read_p): New.
1268         (pdr_write_p): New.
1269         (pdr_may_write_p): New.
1270
1271 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1274         (struct poly_dr): Same.
1275         (new_poly_dr): Same.
1276         * graphite-poly.c (new_poly_dr): Same.
1277
1278 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1279             Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1282         pbb_strip_mine_time_depth.  Changed the implementation so that
1283         transformation is expressed as a transformation on
1284         time (scatttering) dimensions.  Also, ensures that the 2d+1
1285         scheduling format is preserved.
1286         (pbb_strip_mine_profitable_p): Profitability is based on the
1287         iteration number of a given time (scattering) dimension,
1288         and not on a original loop depth dimension.
1289         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1290         (pbb_do_strip_mine): Call psct_dynamic_dim.
1291         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1292         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1293         (pbb_nb_dynamic_scattering_transform): New.
1294         (psct_dynamic_dim): New.
1295
1296 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1297
1298         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1299         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1300         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1301         * graphite-interchange.c (build_linearized_memory_access): Same.
1302         (memory_stride_in_loop): Same.
1303
1304 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * graphite-dependences.c (pddr_original_scattering): New.
1307         (graphite_legal_transform_dr): Call pddr_original_scattering.
1308         (dot_deps_1): New.
1309         (dot_deps): New.
1310         * graphite-dependences.h (dot_deps): Declared.
1311         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1312         (print_pdr): Print PDR_ID.
1313         * graphite-poly.h (struct poly_dr): Add field id.
1314         (PDR_ID): New.
1315         (pbb_index): New.
1316         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1317
1318 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1321         not delete the original dependence relation.
1322
1323 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1324
1325         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1326         the computation of symmetric data dependence relations.
1327         (dependency_between_pbbs_p): Same.
1328
1329 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1330
1331         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1332         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1333         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1334         (free_poly_ddr): New.
1335         (pddr_is_empty): New.
1336         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1337         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1338         Remove fprintfs.
1339         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1340         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1341         * graphite-dependences.h (enum poly_dependence_kind): New.
1342         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1343         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1344         (PDRP_SINK): Renamed PDDR_SINK.
1345         (PDRP_DDP): Renamed PDDR_DDP.
1346         (PDDR_KIND): New.
1347         (free_poly_ddr): Declared.
1348         * graphite-poly.c (new_scop): Use the new hash function names.
1349         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1350         into original_pddrs.
1351         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1352
1353 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * Merge from mainline (150764:150992).
1356
1357 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1358
1359         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1360         bounds with LT_EXPR to make niter analysis more precise on code
1361         generated by Graphite.
1362
1363 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1364
1365         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1366         (graphite_legal_transform_bb): Same.
1367         (poly_drs_may_alias_p): Same.
1368
1369 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         PR middle-end/40981
1372         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1373         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1374
1375 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1376
1377         * graphite-poly.c (print_pbb): Print PBB index.
1378
1379 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * Merge from mainline (r150672:150764).
1382
1383 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * graphite-interchange.c (ppl_max_for_le): Moved...
1386         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1387         * graphite-ppl.c (ppl_max_for_le): ... here.
1388         * graphite-ppl.h (ppl_max_for_le): Declared.
1389
1390 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * Merge from mainline (r150372:150672).
1393
1394 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         PR middle-end/40980
1397         * sese.c (convert_for_phi_arg): New.
1398         (add_guard_exit_phis): Use convert_for_phi_arg.
1399
1400         * testsuite/gfortran.dg/graphite/id-17.f: New.
1401
1402 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1405         unknown subscript upper bounds.
1406
1407         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1408
1409 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1410             Pranav Garg  <pranav.garg2107@gmail.com>
1411
1412         * graphite-interchange.c (gather_access_strides): Removed.
1413         (ppl_max_for_le): New.
1414         (build_linearized_memory_access): New.
1415         (memory_stride_in_loop): New.
1416         (pbb_interchange_profitable_p): Reimplemented.
1417         * graphite-ppl.h (ppl_new_id_map): New.
1418         (ppl_interchange): New.
1419
1420         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1421
1422 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-interchange.c (compute_subscript): Removed.
1425         (compute_array_size_cstr): Removed.
1426         (compute_array_size_poly): Removed.
1427         (compute_array_size): Removed.
1428         (gather_access_strides_poly): Removed.
1429         (gather_access_strides): Empty.
1430
1431 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * graphite-dependences.c (dependence_polyhedron_1): Replace
1434         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1435         (graphite_legal_transform_dr): Same.
1436         (graphite_carried_dependence_level_k): Same.
1437         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1438         Initialize PDR_NB_SUBSCRIPTS.
1439         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1440         PDR_NB_SUBSCRIPTS.
1441         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1442         (PDR_NB_SUBSCRIPTS): New.
1443         (pdr_nb_subscripts): Removed.
1444         (pdr_dim): Simplified.
1445         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1446         with PDR_NB_SUBSCRIPTS.
1447
1448 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite-interchange.c (compute_array_size): Remove use of
1451         PDR_DATA_CONTAINER.
1452         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1453         Do not initialize PDR_DATA_CONTAINER.
1454         (print_pdr): Do not print PDR_DATA_CONTAINER.
1455         * graphite-poly.h (struct poly_dr): Remove data_container field.
1456         (PDR_DATA_CONTAINER): Removed.
1457         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1458         PDR_DATA_CONTAINER.
1459         (build_poly_dr): Same.
1460
1461 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1464
1465 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1466             Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1469         copy of the dependence polyhedron.  Free the temporary objects.
1470         (graphite_carried_dependence_level_k): Free unused objects before
1471         returning.
1472
1473         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1474         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1475         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1476         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1477         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1478
1479 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1480
1481         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1482         Early return without analyzing the data dependences if no
1483         transform has been done.  Call restore_scattering if the transform
1484         is not legal.
1485         (graphite-interchange.c): Same.
1486         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1487         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1488         (apply_poly_transforms): Do not gcc_assert that
1489         the transform is legal.
1490         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1491         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1492         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1493         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1494         * graphite-poly.h (struct poly_scattering): New.
1495         (struct poly_bb): Add original, transformed, and saved fields.
1496         Remove transformed_scattering, original_scattering, nb_local_variables,
1497         and nb_scattering_transform fields.
1498         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1499         (poly_scattering_new): New.
1500         (poly_scattering_free): New.
1501         (poly_scattering_copy): New.
1502         (store_scattering_pbb): New.
1503         (store_scattering): New.
1504         (restore_scattering_pbb): New.
1505         (restore_scattering): New.
1506         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1507         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1508
1509 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1510
1511         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1512         (print_scop): Same.
1513
1514 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1515
1516         * Makefile.in (graphite.o): Depends on PREDICT_H.
1517         * graphite.c: Include predict.h.
1518         (graphite_finalize): Call tree_estimate_probability.
1519         * predict.c (predict_loops): Do not call scev_initialize and
1520         scev_finalize.
1521         (tree_estimate_probability_bb): New.
1522         (tree_estimate_probability): Do not initialize loops: move that
1523         code to the driver.  Call tree_estimate_probability_bb.
1524         (tree_estimate_probability_driver): New.
1525         (pass_profile): Use tree_estimate_probability_driver.
1526         * predict.h (tree_estimate_probability): Declared.
1527
1528 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1531         * graphite-dependences.c (graphite_legal_transform): Add time to
1532         TV_GRAPHITE_DATA_DEPS.
1533         (dependency_between_pbbs_p): Same.
1534         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1535
1536 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * Merge from mainline (r149952:150372).
1539
1540 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1541
1542         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1543         * graphite-blocking.c: Same.
1544         * graphite-clast-to-gimple.c: Same.
1545         * graphite-dependences.c: Same.
1546         * graphite-poly.c: Same.
1547         * graphite-poly.h: Same.
1548         * graphite-ppl.c: Same.
1549         * graphite-scop-detection.c: Same.
1550         * graphite-sese-to-poly.c: Same.
1551         * graphite.c: Same.
1552
1553 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1556         (remove_simple_copy_phi): New.
1557         (remove_invariant_phi): New.
1558         (simple_copy_phi_p): New.
1559         (reduction_phi_p): New.
1560         (gsi_for_ssa_name_def): New.
1561         (insert_out_of_ssa_copy): New.
1562         (insert_out_of_ssa_copy_on_edge): New.
1563         (create_zero_dim_array): New.
1564         (scalar_close_phi_node_p): New.
1565         (rewrite_close_phi_out_of_ssa): New.
1566         (rewrite_phi_out_of_ssa): New.
1567         (rewrite_reductions_out_of_ssa): New.
1568         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1569
1570         * testsuite/gcc.dg/graphite/id-11.c: New.
1571         * testsuite/gcc.dg/graphite/id-15.c: New.
1572         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1573         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1574         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1575         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1576         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1577         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1578         * testsuite/gfortran.dg/graphite/id-13.f: New.
1579         * testsuite/gfortran.dg/graphite/id-5.f: New.
1580
1581 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1584         check that nb_reductions_in_loop is zero.
1585         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1586         reduction phi nodes.
1587         (nb_reductions_in_loop): Removed.
1588         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1589         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1590         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1591         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1592         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1593
1594 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1597         statements that have an empty iteration domain.
1598         * testsuite/gfortran.dg/graphite/id-16.f: New.
1599
1600 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1601
1602         * tree-scalar-evolution.c (instantiate_scev_1): Return
1603         chrec_dont_know when the result is not above instantiate_below.
1604         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1605         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1606         the tree has a known scalar evolution.
1607         * testsuite/gfortran.dg/graphite/id-14.f: New.
1608         * testsuite/gfortran.dg/graphite/id-15.f: New.
1609
1610 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1611
1612         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1613         insert_gsi.
1614         (rename_variables): Keep inserting renames after the ones already
1615         inserted.
1616
1617 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1618
1619         * graphite-sese-to-poly.c (compare_bb_depths): New.
1620         (graphite_sort_dominated_info): New.
1621         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1622         (build_scop_scattering): Fix comment.
1623
1624 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         * graphite.c (graphite_finalize): Call print_loops instead of
1627         dump_function_to_file.
1628         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1629         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1630         loops generated in the graphite output file.
1631         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1632         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1633         * testsuite/gfortran.dg/graphite/id-12.f: New.
1634
1635 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1636
1637         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1638         Remove 2 XFAIL.
1639
1640 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1641             Tobias Grosser  <grosser@fim.uni-passau.de>
1642
1643         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1644         alias set number build alias in ACCESSES polyhedron.
1645         (build_alias_set_for_drs): New.
1646         (build_pbb_drs): Added build_alias_set_for_drs.
1647         * graphite-dependences.c (poly_drs_may_alias_p): New.
1648         (graphite_carried_dependence_level_k): Check alias information
1649         before building polyhedron.
1650
1651 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1652
1653         * Makefile.in (lambda-code.o): Fix formatting.
1654
1655 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1656
1657         * Merge from mainline (r149350-149952)
1658
1659 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1660
1661         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1662         before interchange to prepare for loop blocking.
1663
1664 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1665
1666         * graphite-poly.c (apply_poly_transforms): Add checks after every
1667         transformation.
1668         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1669         done in apply_poly_transforms.
1670
1671 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1672
1673         * graphite-dependences.c (build_lexicographically_gt_constraint):
1674         Replace RES parameter with *RES.
1675         (dependence_polyhedron_1): Pass an address of the parameter RES
1676         instead of value of RES.
1677
1678 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         * graphite.c (graphite_finalize): Fix comment.
1681         (graphite_transform_loops): Reset scev info after code generation
1682         of each scop.
1683
1684 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite.c (graphite_finalize): Call scev_reset.
1687
1688 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1691         GBB_CLOOG_IV_TYPES hash table twice.
1692         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1693         (add_condition_to_domain): Clear GMP values.
1694
1695 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * graphite-dependences.c: Fix formatting.
1698         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1699         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1700         * graphite-sese-to-poly.c: Fix formatting.
1701         * graphite.c (graphite_transform_loops): Create the hash table
1702         after the early return.
1703
1704 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1705
1706         * testsuite/gcc.dg/graphite/id-14.c: New.
1707         * testsuite/gcc.dg/graphite/pr40157.c: New.
1708         * testsuite/gfortran.dg/graphite/id-11.f: New.
1709
1710 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1713         (build_poly_scop): Return false when there are no pbbs within
1714         loops to avoid to pass to cloog scops with no loops.
1715
1716 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1717
1718         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1719         useless test "i % 2".
1720         (build_pbb_scattering_polyhedrons): Fix formatting.
1721         (build_poly_dr): Same.
1722         * graphite.c (graphite_transform_loops): Restructure.
1723
1724 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1725
1726         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1727         reduction_list parameter.
1728         (rewrite_all_phi_nodes_with_iv): Same.
1729         (canonicalize_loop_ivs): Same.
1730         * tree-parloops.c (struct brli): Removed.
1731         (build_reduction_list_info): Removed.
1732         (build_new_reduction): New.
1733         (analyze_reduction_list): Removed.
1734         (gather_scalar_reductions): Find reductions instead of phi
1735         nodes that can't be canonicalized.
1736         (try_create_reduction_list): Remove reduction_list parameter.
1737         (gen_parallel_loop): Same.
1738         (parallelize_loops): Remove analyze_reductions variable,
1739         initialization and free.
1740         Change reduction_list htab initialization to reduction_info
1741         elements instead of ssa names.
1742         Call try_create_reduction_list and gen_parallel_loop without
1743         analyzed_reduction argument.
1744         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1745         canonicalize_loop_ivs with one less argument.
1746         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1747
1748 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1749
1750         * graphite-dependences.c (new_poly_dr_pair): New.
1751         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1752         (new_poly_dr_pair): New.
1753         (eq_poly_dr_pair_p): New.
1754         (hash_poly_dr_pair_p): New.
1755         * graphite-dependences.h (struct poly_dr_pair): New.
1756         (eq_poly_dr_pair_p): Declared.
1757         (hash_poly_dr_pair_p): Declared.
1758         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1759         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1760         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1761         * Makefile.in (graphite-poly.o): Add dependence on
1762         graphite-dependences.h.
1763
1764 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1767         polynomials of degree > 1 pass to Graphite.
1768         * tree-chrec.c (scev_is_linear_expression): Call
1769         evolution_function_is_affine_multivariate_p.
1770         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1771
1772 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1775         Instantiate scevs varying in outer loops.
1776         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1777
1778 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1781         redundant constraint.
1782
1783 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1784
1785         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1786         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1787         based on the file names as in the C testsuite.
1788         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1789         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1790         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1791         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1792         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1793         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1794         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1795         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1796         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1797         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1798         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1799         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1800         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1801
1802 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * sese.c (expand_scalar_variables_call): New.
1805         (expand_scalar_variables_ssa_name): Handle calls in expander.
1806
1807 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1808
1809         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1810         Expect to see the pattern twice.
1811         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1812         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1813         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1814
1815 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * testsuite/gcc.dg/graphite/id-10.c: New.
1818         * testsuite/gcc.dg/graphite/id-12.c: New.
1819         * testsuite/gfortran.dg/graphite/id-7.f: New.
1820         * testsuite/gfortran.dg/graphite/id-8.f: New.
1821
1822 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1823
1824         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1825         zero.
1826
1827 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1828
1829         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1830
1831 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1834
1835 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1838         building PDR subscripts.
1839
1840 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1841
1842         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1843         computation of array sizes.
1844
1845 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1846
1847         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1848
1849 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1850
1851         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1852         build_pairwise_constraint, dr_equality_constraints,
1853         build_pairwise_scheduling_equality,
1854         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1855         build_lexicographically_gt_constraint, dependence_polyhedron,
1856         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1857         Move from NNC_Polyhedron to C_Polyhedron.
1858         * graphite-interchange.c (compute_array_size_poly,
1859         gather_access_strides): Dito.
1860         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1861         free_scop, pbb_number_of_iterations): Dito.
1862         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1863         pbb_dim_iter_domain, struct scop): Dito.
1864         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1865         new_Cloog_Domain_from_ppl_Polyhedron,
1866         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1867         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1868         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1869         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1870         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1871         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1872         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1873         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1874         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1875         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1876         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1877         build_scop_iteration_domain, build_poly_dr): Dito
1878
1879 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1880
1881         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1882         run-id-*.c files.
1883         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1884
1885 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1888         positivity constraint on the symbolic number of iterations.
1889
1890 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1893
1894 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1895             Tobias Grosser  <grosser@fim.uni-passau.de>
1896
1897         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1898         (build_cloog_prog): Directly use SCOP_CONTEXT.
1899         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1900         (free_scop): Free SCOP_CONTEXT.
1901         (print_scop_context): New.
1902         (print_scop): Call print_scop_context.
1903         (debug_scop_context): New.
1904         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1905         (struct scop): Added field context.
1906         (SCOP_CONTEXT): New.
1907         * graphite-sese-to-poly.c (add_param_constraints): New.
1908         (build_scop_context): New.
1909         (build_poly_scop): Call build_scop_context.
1910
1911 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1914         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1915         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1916         * graphite-ppl.h: Include double-int.h and tree.h.
1917         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1918         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1919         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1920         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1921
1922 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1925         POINTER_PLUS_EXPR for pointer types.
1926         (clast_to_gcc_expression): Same.
1927
1928 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * graphite-poly.c (print_scattering_function): Early return when
1931         PBB_TRANSFORMED_SCATTERING is not initialized.
1932         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1933
1934 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1935
1936         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1937         to fix bootstrap.
1938
1939 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1940
1941         * tree-parloops.c (analyze_reduction_list): Change return
1942         value to void.
1943         (try_create_reduction_list): Move the call to
1944         analyze_reduction_list to the beginining.
1945         Call reduction_phi with analyzed_reductions as argument
1946         instead of reduction_list.
1947
1948 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1949
1950         *  Merge from mainline (r148296:149346)
1951
1952 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * graphite-scop-detection.c (graphite_can_represent_init): New.
1955         (graphite_can_represent_scev): Call graphite_can_represent_init:
1956         check that the initial value does not contain multiplications of
1957         parameters.
1958         (stmt_has_simple_data_refs_p): New.
1959         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1960         (is_simple_operand): Fix formatting.
1961         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1962
1963 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1964
1965         * testsuite/gcc.dg/graphite/id-13.c: New.
1966         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1967         analyze_scalar_evolution, use scalar_evolution_in_region.
1968         (scan_tree_for_params_right_scev): Add extra assert.
1969         (parameter_index_in_region_1): Split from parameter_index_in_region.
1970         (idx_record_params): Use scalar_evolution_in_region.
1971         (find_params_in_bb): Same.
1972         (find_scop_parameters): Same.
1973         (build_loop_iteration_domains): Same.
1974         (create_linear_expr_from_tree): Same.
1975         * sese.c (scalar_evolution_in_region): New.
1976         * sese.h (scalar_evolution_in_region): Declared.
1977         (defined_in_sese_p): New.
1978         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1979         static anymore.
1980         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1981         Declared.
1982
1983 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1984
1985         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1986         TREE_DATA_REF_H also implies SCEV_H.
1987
1988 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-poly.c (print_scop_params): New.
1991         (print_scop): Call print_scop_params.
1992         (debug_scop_params): New.
1993         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1994
1995 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1996
1997         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1998         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1999         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2000         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2001         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2002         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2003
2004 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2005
2006         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2007         for dependency checking part.
2008         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2009         tests for dependency checking.
2010         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2011         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2012         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2013         flag -fdump-tree-graphite-all for autopar testsuites.
2014
2015 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2016
2017         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2018         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2019         canonicalize_loop_ivs): Moved...
2020         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2021
2022 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * tree-parloops.c (try_create_reduction_list): Pass an extra
2025         argument analyzed_reductions.  Call analyze_reduction_list.
2026         (gen_parallel_loop): Do not call analyze_reduction_list.
2027         (parallelize_loops): Init and finalize analyzed_reductions.
2028
2029 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2030
2031         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2032         Added flag -fno-loop-strip-mine for autopar testcase.
2033
2034 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2035
2036         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2037         transformed scattering dimension instead of unmatch orignal when
2038         calling dependence_polyhedron.
2039
2040 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2041
2042         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2043
2044 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2045
2046         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2047         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2048
2049 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2052         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2053         * graphite-poly.c (pbb_number_of_iterations): New.
2054         * graphite-poly.h (pbb_number_of_iterations): Declared.
2055         (pbb_iterator_dim, pbb_parameter_dim): New.
2056
2057 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2058
2059         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2060         last commit on type of lower and upper bound of loops.
2061
2062 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2063
2064         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2065         graphite-dependences.h.
2066         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2067         (mark_bb_with_pbb): New.
2068         (get_stmtfor_depth): New.
2069         (find_pbb_via_hash): New.
2070         (dependency_in_loop_p): New.
2071         (mark_loops_parallel): New.
2072         (free_aux_in_new_loops): New.
2073         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2074         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2075         innermost loop parallel without checking.
2076         (gloog): Add parameter BB_PBB_MAPPING.
2077         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2078         (gloog): Change declaration.
2079         (mark_loop_parallel): Make extern.
2080         (free_aux_in_new_loops): Declare.
2081         (bb_pbb_map_hash): New.
2082         (eq_bb_pbb_map): New.
2083         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2084         auto parallelization when flag_graphite_force_parallel is set.
2085         (graphite_finalize): Added free_aux_in_new_loops.
2086         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2087         the innermost loop that marked parallel.  Use
2088         flag_graphite_force_parallel instead of loop->can_be_parallel.
2089         (loop_parallel_p): Move inner most checking out of function.
2090
2091 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2092
2093         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2094         type of lower and upper bound of loops signed long int.
2095
2096 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2099         expression outside the loop.
2100
2101 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * gcc.dg/graphite/interchange-8.c: New.
2104
2105 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * gcc.dg/graphite/interchange-0.c: XFailed.
2108         * gcc.dg/graphite/interchange-5.c: XFailed.
2109         * gcc.dg/graphite/interchange-6.c: XFailed.
2110
2111 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * graphite-interchange.c (compute_array_size_poly): The end of the
2114         recursion should return 1.
2115
2116 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2117
2118         * graphite-interchange.c (compute_array_size_cstr): Allow the
2119         subscript multiplier to be -1.
2120         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2121         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2122         data_container.  Initializes PDR_DATA_CONTAINER.
2123         (print_pdr_access_layout): New.
2124         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2125         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2126         data_container.
2127         (PDR_DATA_CONTAINER): New.
2128         (new_poly_dr): Update declaration.
2129         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2130         (build_poly_dr): Call pdr_add_data_dimensions.
2131
2132 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * graphite-poly.h (struct poly_dr): Fix comment.
2135         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2136         (pdr_add_memory_accesses): New.
2137         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2138
2139 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2142         (print_pbb): Add call to print_pdrs.
2143         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2144
2145 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2146             Li Feng <nemokingdom@gmail.com>
2147
2148         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2149         (dependency_between_pbbs_p): New.
2150         (lexicographically_gt_p): Assure !empty_p before polyhedron
2151         intersection assign.
2152         (build_lexicographically_gt_constraint): Correct lexicographically
2153         judging.
2154         * graphite-dependences.h: New.
2155         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2156
2157 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2158
2159         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2160         (gloog): Print to dump_file the generated clast.
2161         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2162         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2163
2164 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * graphite-poly.c (extend_scattering): Increment
2167         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2168
2169 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * graphite-interchange.c (compute_array_size_poly): Added exit of
2172         recursion condition.  Continue iterating even after the first equality.
2173         (compute_array_size): Same.
2174
2175 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2176
2177         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2178         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2179         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2180         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2181         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2182
2183 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2186         only when the use verifies is_gimple_reg.
2187
2188 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2189
2190         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2191         Allocate scaldims after call to unify_scattering_dimensions.
2192
2193 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2196
2197 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2198             Albert Cohen  <albert.cohen@inria.fr>
2199
2200         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2201         variables for the strip mining.
2202
2203 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2204             Pranav Garg  <pranav.garg2107@gmail.com>
2205
2206         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2207         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2208         (graphite-blocking.o): New rule.
2209         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2210         * graphite-blocking.c: New.
2211         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2212         flag_loop_strip_mine.
2213         (psct_scattering_dim_for_loop_depth): New.
2214         * graphite-poly.h (scop_do_strip_mine): Declared.
2215         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2216         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2217         flag_loop_strip_mine.
2218
2219 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2222         a GMP value and a PPL coefficient at each iteration of a loop.
2223
2224 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * graphite-dependences.c (dependence_polyhedron): Do not use
2227         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2228         pbb_nb_scattering_transform.
2229         (graphite_legal_transform_dr): Same.
2230         * graphite-poly.c (extend_scattering): Same.
2231         (unify_scattering_dimensions): Same.
2232         (print_scattering_function): Same.
2233         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2234         PBB_NB_LOCAL_VARIABLES.
2235         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2236         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2237         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2238         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2239         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2240         (pbb_nb_scattering_transform): New.
2241         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2242         (psco_scattering_dim): Add assert on parameters.
2243         (psct_scattering_dim): Same.
2244         (psct_scattering_dim_for_loop_depth): Declared.
2245         (psct_local_var_dim): New.
2246         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2247         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2248         correct layout, call pbb_nb_local_vars.
2249         (psct_add_local_variable, psct_add_scattering_dimension): New.
2250         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2251         Initialize PBB_NB_SCATTERING_TRANSFORM.
2252
2253 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2256         (set_coef): Renamed ppl_set_coef.
2257         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2258
2259 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2260
2261         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2262         test a boolean against 1.
2263         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2264         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2265         (pbb_do_interchange): Returns true when a transform has been performed.
2266         (scop_do_interchange): Same.
2267         * graphite-poly.c (apply_poly_transforms): Use the return value of
2268         scop_do_interchange.
2269         * graphite-poly.h (scop_do_interchange): Update declaration.
2270
2271 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2272
2273         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2274         after last use.
2275         * sese.c (sese_reset_aux_in_loops): New.
2276         * sese.h (sese_reset_aux_in_loops): New.
2277
2278 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2279
2280         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2281         multiplier and multiply the constant by the multiplier.
2282         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2283         (build_poly_dr): Do not use the multiplier to define the subscript.
2284
2285 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2288         compiler's data reference.  Initialize PDR_CDR.
2289         (print_pdr): Call dump_data_reference.
2290         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2291         Add compiler_dr field.
2292         (PDR_BB): Renamed PDR_PBB.
2293         (PDR_CDR): New.
2294         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2295         GCC's data reference representation.
2296         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2297         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2298
2299 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * graphite-poly.c (print_scattering_function): Also print the layout.
2302         * graphite-poly.h (pbb_nb_local_vars): New.
2303
2304 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2305
2306         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2307
2308 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-poly.c (print_pdr, debug_pdr): New.
2311         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2312         (PDR_BASE): Removed.
2313
2314 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2317         ltrans-{1..6,8}.c.
2318
2319 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2320
2321         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2322         subscript identification column.
2323         (pbb_do_interchange): Print to dump_file that some loops "will be
2324         interchanged".  Rely on that chain of characters in the testcases.
2325         * gcc.dg/graphite/interchange-0.c: New.
2326         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2327         interchange-*.c files and compile them with -floop-interchange.
2328
2329 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2330
2331         * graphite-interchange.c (interchange_profitable_p): Renamed
2332         pbb_interchange_profitable_p.
2333
2334 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2335             Harsha Jagasia  <harsha.jagasia@amd.com>
2336             Pranav Garg  <pranav.garg2107@gmail.com>
2337
2338         * graphite-interchange.c (interchange_profitable_p): Make static.
2339         (pbb_interchange_loop_depths, pbb_do_interchange,
2340         scop_do_interchange): New.
2341         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2342         for flag_loop_interchange.
2343         * graphite-poly.h (scop_do_interchange): Declared.
2344         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2345         flag_loop_interchange is used.
2346
2347 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * graphite-dependences.c (dependence_polyhedron): Update use of
2350         pbb_nb_scattering_dims.
2351         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2352         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2353         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2354         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2355
2356 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2357
2358         * graphite.c: Cleanup foo.
2359
2360 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2361
2362         * Merge from mainline (r143684:148293).
2363         * Disabled libpcp until it gets fixed.
2364
2365 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2366             Harsha Jagasia  <harsha.jagasia@amd.com>
2367
2368         * graphite-interchange.c: New.
2369         * Makefile.in (graphite-interchange.o): New.
2370         * graphite-poly.h (interchange_profitable_p): Declared.
2371         * graphite-ppl.h (value_max): New.
2372
2373 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2376         * graphite-poly.h: Fix some comments.
2377         (pdr_dim): New.
2378         (pdr_scop): New.
2379
2380 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2381
2382         * graphite-poly.h
2383         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2384         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2385         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2386         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2387         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2388         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2389         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2390         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2391         * graphite-clast-to-gimple.c: Same.
2392         * graphite-dependences.c: Same.
2393         * graphite-poly.c: Same.
2394         * graphite-sese-to-poly.c: Same.
2395
2396 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2399         expressions for an IV rename, as returned by clast_to_gcc_expression.
2400         (copy_renames): Rename new_name to expr.
2401         * sese.c (debug_rename_elt): Same.
2402         (get_rename): Same.
2403         (set_rename): Same.
2404         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2405         the information from the rename map.
2406         (rename_variables_in_stmt): Same.
2407         (add_loop_exit_phis): Rename new_name to expr.
2408         (insert_loop_close_phis): Same.
2409         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2410         * sese.h (struct rename_map_elt): Rename new_name to expr.
2411         (new_rename_map_elt): Same.
2412
2413 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2414
2415         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2416         * sese.c (set_rename): Make it extern.
2417         * sese.h (set_rename): Declared.
2418
2419 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2420
2421         * graphite-poly.c (extend_scattering): Free values.
2422         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2423         Free iterators.
2424         (ppl_print_powerset_matrix): Same.
2425         * graphite-scop-detection.c (free_scops_1): New.
2426         (limit_scops): Call free_scops_1.
2427         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2428         (build_poly_dr): Free PPL coefficients.
2429         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2430
2431 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-dependences.c: New.
2434         * graphite-data-ref.c: Removed.
2435         * graphite-data-ref.h: Removed.
2436         * Makefile.in (graphite-data-ref.o): Removed.
2437         (graphite-dependences.o): Added.
2438         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2439         * graphite-poly.c: Same.
2440         Move the data dependence testing to graphite-dependences.c.
2441
2442 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2443
2444         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2445         from graphite_cannot_represent_loop. Code refactored.
2446         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2447
2448 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2449
2450         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2451         Cover all the testcases (not only the filtered ones).
2452
2453 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2454
2455         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2456         unnecessary check. Update comments. Move check for REAL_TYPE here.
2457         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2458         done in (stmt_simple_for_scop_p).
2459
2460 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2461
2462         * graphite.c (print_global_statistics): New.
2463         (print_graphite_scop_statistic): New.
2464         (print_graphite_statistics): New.
2465         (graphite_initialize, graphite_transform_loops): Print statistics.
2466         * graphite-scop-detection (build_scops): Print statistics.
2467         (print_graphite_scop_statistics): New.
2468         (print_graphite_statistics): New.
2469
2470 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2473         (debug_clast_name_index): Removed.
2474         (debug_clast_name_indexes_1): Removed.
2475         (debug_clast_name_indexes): Removed.
2476         (clast_name_index_elt_info): Removed.
2477         (eq_clast_name_indexes): Removed.
2478         (clast_name_to_index): Removed.
2479         (new_clast_name_index): Removed.
2480         (save_clast_name_index): Removed.
2481         (save_var_name): Moved...
2482         (init_sese_params_index): Removed.
2483         (clast_name_to_gcc): Remove use of name_tree.
2484         (initialize_cloog_names): Same.
2485         (gloog): Do not call init_sese_params_index.
2486         * graphite-sese-to-poly.c (save_var_name): ...here.
2487         (parameter_index_in_region): New.
2488         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2489         (parameter_index_in_region): Removed.
2490         (is_parameter): Remove use of name_tree.
2491         * sese.h (struct name_tree): Removed.
2492         (struct sese): Remove use of name_tree.  New field params_names.
2493         (SESE_PARAMS_NAMES): New.
2494         (SESE_PARAMS): Remove duplicate.
2495         (parameter_index_in_region): Removed.
2496         (sese_nb_params): Remove use of name_tree.
2497         (struct clast_name_index): New.
2498         (new_clast_name_index): New.
2499         (clast_name_to_index): New.
2500         (save_clast_name_index): New.
2501         (debug_clast_name_index): New.
2502         (debug_clast_name_indexes_1): New.
2503         (debug_clast_name_indexes): New.
2504         (clast_name_index_elt_info): New.
2505         (eq_clast_name_indexes): New.
2506
2507 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2510         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2511         (graphite_loop_normal_form): Do not pass region.  Do not
2512         initialize SESE_OLDIVS.
2513         (build_graphite_loop_normal_form): Update call to
2514         graphite_loop_normal_form.
2515         * sese.c (debug_oldivs): Removed.
2516         (new_sese): Do not initialize SESE_OLDIVS.
2517         (free_sese): Do not free SESE_OLDIVS.
2518         (oldiv_for_loop): Removed.
2519         * sese.h (struct sese): Remove old_ivs.
2520         (SESE_OLDIVS): Removed.
2521         (oldiv_for_loop): Removed.
2522
2523 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2526         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2527         replaced by a call to newivs_to_depth_to_newiv.
2528         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2529         (clast_to_gcc_expression_red): Same.
2530         (gcc_type_for_clast_expr): Same.
2531         (gcc_type_for_clast_eq): Same.
2532         (graphite_translate_clast_equation): Same.
2533         (graphite_create_guard_cond_expr): Same.
2534         (graphite_create_new_guard): Same.
2535         (graphite_create_new_loop): Same.
2536         (build_iv_mapping): Same.
2537         (translate_clast): Same.
2538         (gloog): Same.
2539         (loop_iv_stack_patch_for_consts): Removed.  *
2540         sese.c (iv_stack_entry_is_constant): Removed.
2541         (iv_stack_entry_is_iv): Removed.
2542         (loop_iv_stack_push_iv): Removed.
2543         (loop_iv_stack_insert_constant): Removed.
2544         (loop_iv_stack_pop): Removed.
2545         (loop_iv_stack_get_iv): Removed.
2546         (loop_iv_stack_get_iv_from_name): Removed.
2547         (debug_loop_iv_stack): Removed.
2548         (free_loop_iv_stack): Removed.
2549         (loop_iv_stack_remove_constants): Removed.  *
2550         sese.h (iv_stack_entry_kind): Removed.
2551         (iv_stack_entry_data_union): Removed.
2552         (iv_stack_entry_struct): Removed.
2553         (iv_stack_entry_p): Removed.
2554         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2555         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2556         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2557         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2558         (gbb_loop_at_index): Fix indenting.
2559         (gbb_loop_index): Removed.
2560
2561 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2564         Call clast_name_to_index.
2565
2566 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2569         do not pass params.  Get params from SESE_PARAMS.
2570         (clast_to_gcc_expression): Same.
2571         (clast_to_gcc_expression_red): Same.
2572         (gcc_type_for_clast_eq): Same.
2573         (graphite_translate_clast_equation): Same.
2574         (graphite_create_new_loop): Same.
2575         * sese.c (rename_variables_in_stmt): Fix comment.
2576
2577 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2578
2579         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2580         newivs_index.
2581         Call save_clast_name_index.
2582         (translate_clast): Pass newivs_index.
2583         (gloog): Create and free newivs_index.
2584
2585 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2588         (clast_name_index_p): New type.
2589         (debug_clast_name_index): New.
2590         (debug_clast_name_indexes_1): New.
2591         (debug_clast_name_indexes): New.
2592         (clast_name_index_elt_info): New.
2593         (eq_clast_name_indexes): New.
2594         (clast_name_to_index): New.
2595         (new_clast_name_index): New.
2596         (save_clast_name_index): New.
2597         (init_sese_params_index): New.
2598         (gloog): Call init_sese_params_index.
2599         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2600         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2601         (free_sese): Free SESE_PARAMS_INDEX.
2602         * sese.h (struct sese): Add params_index.
2603         (SESE_PARAMS_INDEX): New.
2604
2605 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2608         (graphite_create_new_loop): Pass the newivs vector.  Push the
2609         newly created IV to newivs.
2610         (translate_clast): Pass the newivs vector.
2611         (gloog): Create and destroy the newivs vector.
2612
2613 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2614
2615         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2616         (graphite_loop_normal_form): Initialize loop->aux with the unique
2617         IV that has been created.
2618
2619 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2620
2621         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2622         scev with parameters in the base part. They where forbidden
2623         exidently.
2624
2625 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2626
2627         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2628         compile options by file names.
2629         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2630         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2631         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2632         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2633
2634 2009-05-08  Li Feng <nemokingdom@gmail.com>
2635
2636         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2637         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2638         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2639         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2640
2641 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2642
2643         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2644         by final cleanup.
2645
2646 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2647
2648         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2649         allow integer constant strides.
2650         (graphite_can_represent_expr): Depend on outermost_loop.
2651         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2652         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2653         build_scops_1): Same.
2654         (scopdet_basic_block_info): Same and insert layered SCoP
2655         detection.
2656         (try_generate_gimple_bb): Cleanup.
2657         (build_scops): Enable data references.
2658
2659         * testsuite/gcc.dg/graphite/id-5.c: New.
2660         * testsuite/gcc.dg/graphite/id-9.c: New.
2661         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2662         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2663
2664 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2665
2666         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2667         that we have not yet built for this SCoP.
2668
2669 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2670
2671         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2672         for complex numbers.
2673
2674 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2675
2676         * graphite-ppl.c: Fix build if cloog is not available.
2677
2678 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2679
2680         * tree-parloops.c (loop_parallel_p): Remove construction of
2681         NITER and REDUCTION_LIST.
2682         (try_get_loop_niter): New.
2683         (try_create_reduction_list): New.
2684         (parallelize_loops): Bypass the failed checkings in autopar
2685         when can_be_parallel in loop structure is set to true.
2686
2687 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2688
2689         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2690         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2691
2692 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2693
2694         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2695         Enable EQ_EXPR and NE_EXPR again.
2696
2697 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2698
2699         * graphite-scop-detection.c (graphite_can_represent_scev):
2700         Add check if scev is affine multivariate.
2701         (harmful_stmt_in_bb): Check if we can represent the conditions.
2702         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2703         harmful_stmt_in_bb.
2704         * testsuite/gcc.dg/graphite/id-7.c: New.
2705
2706 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2707
2708         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2709         Check all bbs in region, not only the bbs that are represented in
2710         GRAPHITE.
2711         (build_poly_scop): Add newline.
2712         * testsuite/gcc.dg/graphite/id-8.c: New.
2713
2714 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2715
2716         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2717         when loop initialize.
2718         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2719         * common.opt: Declare flag_graphite_force_parallel.
2720         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2721         loop parallel.
2722         * graphite-poly.c (apply_poly_transforms): Introduce
2723         flag_graphite_force_parallel.
2724         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2725         * toplev.c (process_options): ditto and replace a not correctly
2726         encoded space.
2727
2728 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2729
2730         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2731         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2732         to the redefinition.
2733         (compute_cloog_iv_types_1): ditto.
2734         (build_iv_mapping): ditto.
2735         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2736         initialization.
2737         (free_gimple_bb): Removed GBB_LOOPS related free part.
2738         (build_bb_loops): Removed.
2739         * sese.h (struct gimple_bb): Removed loops.
2740         (GBB_LOOPS): Removed.
2741         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2742         (gbb_loop_index): ditto.
2743
2744 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2745
2746         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2747         allow non constant strides.
2748         * testsuite/gcc.dg/graphite/scop-20.c: New.
2749
2750 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2751
2752         * graphite-scop-detection.c (dot_all_scops): Fix system call
2753         return value warning.
2754         (dot_scop): Same.
2755
2756 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2759         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2760
2761 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2764         build_pairwise_constraint, dr_equality_constraints,
2765         build_pairwise_scheduling_equality,
2766         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2767         build_lexicographically_gt_constraint, dependence_polyhedron,
2768         graphite_legal_transform_dr, graphite_legal_transform_bb,
2769         graphite_legal_transform): New.
2770         * graphite-poly.h (graphite_legal_transform): Declared.
2771         * graphite-sese-to-poly.c (build_poly_scop): Call to
2772         graphite_legal_transform is disabled for the moment.
2773
2774 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2775
2776         * graphite-poly.h (pbb_nb_scattering_dims): New.
2777         (pbb_nb_scattering): Use it.
2778
2779 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2780
2781         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2782         Pointset_Powerset version of ppl_insert_dimensions.
2783         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2784
2785 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2788
2789 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-poly.h: Fix comment.
2792
2793 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2796
2797 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2798
2799         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2800         statements.
2801
2802 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2803
2804         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2805         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2806         conditions.
2807
2808 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2811         handle EQ_EXPR and NE_EXPR.
2812
2813 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2814
2815         * graphite-poly.h (poly_dr): Fix comment.
2816
2817 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2818             Tobias Grosser  <grosser@fim.uni-passau.de>
2819
2820         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2821         with a zero dimension polyhedron.
2822         (find_scop_parameters): Move the call to scop_set_nb_params here.
2823         (build_loop_iteration_domains): Store in loop->aux the iteration
2824         domain polyhedron.
2825         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2826         by any loop in scop.
2827         (build_poly_scop): Do not call scop_set_nb_params.
2828
2829 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2830             Tobias Grosser  <grosser@fim.uni-passau.de>
2831
2832         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2833         add_condition_to_domain not GT_EXPR.
2834
2835 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2836
2837         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2838         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2839         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2840         upper_bound_assign to calculate unions.
2841         * testsuite/gcc.dg/graphite/id-6.c: New.
2842
2843 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2844
2845         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2846         handle abnormal edges.
2847
2848 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2849
2850         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2851         (free_poly_bb): Also free poly_drs.
2852         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2853         (poly_dr): Polyhedron to Pointset_Powerset.
2854         (pdr_accessp_nb_subscripts): Same.
2855         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2856         poly_drs.
2857
2858 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2859
2860         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2861         names into more meaningful names.
2862
2863 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2866         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2867
2868 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2871         the reduction_list.
2872         * tree-parloops.c (rewrite_phi_with_iv): New.
2873         (rewrite_all_phi_nodes_with_iv): New.
2874         (canonicalize_loop_ivs): Call them.
2875
2876 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2879         graphite_find_data_references_in_stmt.
2880         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2881         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2882
2883 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2884
2885         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2886
2887 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2890         instead of bb_in_region.
2891         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2892         (build_sese_conditions): Use flag_bb_in_sese.
2893         * sese.c (register_bb_in_sese): Removed.
2894         (new_sese): Remove initialization of SESE_REGION_BBS.
2895         (free_sese): Do not free SESE_REGION_BBS.
2896         * sese.h (struct sese): Remove field region_basic_blocks.
2897         (SESE_REGION_BBS): Removed.
2898         (bb_in_sese_p): Implement in function of bb_in_region.
2899
2900 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2901
2902         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2903         loops.
2904
2905 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2906
2907         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2908         and EQ_EXPR.
2909         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2910         (add_condition_to_domain): New.
2911         (add_condition_to_pbb): New.
2912         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2913         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2914
2915 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2916
2917         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2918         ppl_Pointset_Powerset.
2919         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2920         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2921         (pbb_nb_loops): Same.
2922         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2923         add_conditions_to_domain): Same.
2924         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2925         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2926         ppl_const_Polyhedron_t.
2927         (ppl_print_powerset_matrix): New.
2928         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2929         ppl_print_powerset_matrix): New.
2930         (ppl_print_polyhedron_matrix): Updated.
2931
2932 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2933
2934         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2935
2936 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2939         (print_iteration_domains, debug_iteration_domain,
2940         debug_iteration_domains): New.
2941         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2942         debug_iteration_domains): Declared.
2943         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2944         indenting.
2945
2946 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2947             Sebastian Pop  <sebastian.pop@amd.com>
2948
2949         * graphite-poly.h (print_iteration_domain): New.
2950         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2951         (build_sese_conditions_1, build_sese_conditions_after,
2952         build_sese_conditions_before): New.
2953         (build_sese_conditions): Rewritten.
2954
2955 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2956             Tobias Grosser  <grosser@fim.uni-passau.de>
2957
2958         Cleanup of code generation liveouts.
2959         * graphite-clast-to-gimple.c (translate_clast): Use a single
2960         rename_map instead of one per translated statement.
2961         Do not use SESE_LIVEOUT_RENAMES.
2962         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2963         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2964         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2965         phi node of a reduction: when a loop contains a reduction used outside
2966         the loop, there should be a scalar close phi node on the exit block.
2967         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2968         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2969         (free_sese): Do not free them.
2970         (sese_build_liveouts_use): Do not use them.
2971         (sese_build_liveouts_bb): Same.
2972         (sese_build_liveouts): Same.
2973         (sese_insert_phis_for_liveouts): Same.
2974         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2975         (defined_in_loop_p): New.
2976         (alive_after_loop): New.
2977         (close_phi_not_yet_inserted_p): New.
2978         (struct alep, alep_p): New.
2979         (add_loop_exit_phis): Remove from the rename_map all the names defined
2980         in the code generated loop.
2981         (insert_loop_close_phis): Traverse the rename_map passed to it.
2982         Don't use SESE_LIVEOUT_RENAMES.
2983         (default_liveout_before_guard): Renamed default_before_guard.
2984         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2985         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2986         (register_sese_liveout_renames): Removed.
2987         (copy_bb_and_scalar_dependences): Do not call it.
2988         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2989         reduction_list.
2990         (SESE_LIVEOUT): Removed.
2991         (SESE_LIVEOUT_RENAMES): Removed.
2992         (SESE_REDUCTION_LIST): Removed.
2993         (sese_build_liveouts): Removed.
2994         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2995         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2996         (insert_guard_phis): Same.
2997         (rename_map_elt): Declare a VEC of them.
2998         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2999         trees not pointers to trees.
3000
3001         Rewrite in canonical close SSA form:
3002         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3003         (limit_scops): Close the scop after the block containing the close phi
3004         nodes.
3005         (canonicalize_loop_closed_ssa): New.
3006         (canonicalize_loop_closed_ssa_form): New.
3007         (build_scops): Call canonicalize_loop_closed_ssa_form.
3008
3009         * graphite-sese-to-poly.c: Fix typos.
3010
3011 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3014         Extended.
3015         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3016         (print_pbb): Add conditions.
3017
3018 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3019             Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3022         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3023         (build_scop_bbs_1): New.
3024         (build_scop_bbs): Rewrite.
3025         * sese.h (bb_in_region): New.
3026
3027 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3028
3029         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3030         poly_drs vector.
3031         (print_scop): Style.
3032         * graphite-poly.h (poly_bb): Add drs vector.
3033         (PBB_DRS): Add accessor.
3034         * graphite-sese-to-poly.c (build_poly_dr): New.
3035         (build_pbb_drs, build_scop_drs): New.
3036         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3037
3038 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3039
3040         * tree-ssa-loop.c: Include forgotten toplev.h
3041
3042 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3043
3044         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3045         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
3046         * testsuite/gcc.dg/graphite/pr37928.c: Same
3047         * testsuite/gcc.dg/graphite/pr38409.c: Same
3048         * testsuite/gcc.dg/graphite/pr38498.c: Same
3049         * testsuite/gcc.dg/graphite/pr38559.c: Same
3050         * testsuite/gcc.dg/graphite/pr39335.c: Same
3051         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
3052         * testsuite/gfortran.dg/graphite/block-2.f: Same
3053         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3054         with -floop-*.
3055
3056 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3057
3058         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3059         build_access_matrix, build_scop_data_accesses): Remove access function
3060         building. (We get a new version soon).
3061         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3062         * sese.h (nb_loops_around_loop_in_sese): Remove.
3063         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3064
3065 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3066             Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         * graphite-scop-detection.c (struct scopdet_info): Rename last
3069         field to exit.
3070         (scopdet_basic_block_info, build_scops_1): Don't use
3071         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3072
3073 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3074             Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3077         * sese.c (sese_build_liveouts_use): Renamed from
3078         sese_build_livein_liveouts_use. Remove liveins.
3079         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3080         Call sese_build_liveouts_use.
3081         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3082         Call sese_build_liveouts_bb.
3083         (new_sese, free_sese): Remove liveins.
3084         (sese_add_exit_phis_var): Deleted.
3085         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3086         directly.
3087         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3088
3089         * sese.h (sese): Remove num_ver and livein.
3090         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3091
3092 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3093
3094         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3095
3096 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3097
3098         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3099         (build_scop_scattering): Do not use compare_prefix_loops any more.
3100         (nb_common_loops): New.
3101
3102 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3105         (register_old_and_new_names): Renamed set_rename.
3106
3107 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3108
3109         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3110         of the decl from the previous commit.
3111
3112 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite-scop-detection.c (dot_scop): New.
3115         * graphite-scop-detection.h (dot_scop): Declared.
3116
3117 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3120
3121 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3124         condition at the end of the loop.
3125         * graphite.c (graphite_initialize, graphite_finalize): Print to
3126         dump_file the compiled function.
3127         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3128         of create_empty_loop_on_edge.
3129         (translate_clast): Update the code generation of loops for the new
3130         shape of loops.
3131         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3132
3133 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3134
3135         Reverted the patch from 2009-03-19.
3136
3137 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3138
3139         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3140         poly_drs vector.
3141         (print_scop): Style.
3142         * graphite-poly.h (poly_bb): Add drs vector.
3143         (PBB_DRS): Add accessor.
3144         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3145         (build_access_matrix_with_af, build_access_matrix,
3146         build_scop_data_accesses): Delete.
3147         (build_poly_dr): New.
3148         (build_pbb_drs, build_scop_drs): New.
3149         (build_poly_scop): call build_scop_drs.
3150
3151 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3154         once per basic block.
3155
3156 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3157
3158         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3159         (graphite_can_represent_expr): Renamed from loop_affine_expr
3160         and enhanced.
3161         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3162         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3163         (scopdet_basic_block_info): Actually define entry_block.
3164         (stmt_simple_memref_p): Moved here from ...
3165
3166         * tree-data-ref.c (stmt_simple_memref_p): here.
3167         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3168
3169 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3170
3171         * testsuite/gcc.dg/graphite/id-4.c: New.
3172
3173 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3174
3175         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3176         (register_old_and_new_names): Update the content of the map.
3177         When there was already a rename_map_elt in the map at that
3178         location, free it.
3179         (copy_bb_and_scalar_dependences): Do rename_variables after
3180         expand_scalar_variables.
3181         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3182         of the map.  When there was already a rename_map_elt in the
3183         map at that location, free it.
3184         (translate_clast): Pass the rename_map.  Do not initialize and free
3185         a rename_map per stmt_user.
3186         (gloog): Initialize and free one rename_map and pass it to
3187         translate_clast.
3188
3189 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3190
3191         * sese.c (expand_scalar_variables_stmt,
3192         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3193         parameter.
3194         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3195         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3196         the gimple_stmt_iterator of the statement to be expanded.
3197         * graphite-scop-detection.c (is_simple_operand): Do handle
3198         REALPART_EXPR.
3199
3200 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3201
3202         * graphite-scop-detection.c (is_simple_operand): Do not handle
3203         REALPART_EXPR.
3204         * testsuite/gcc.dg/graphite/id-2.c: New.
3205
3206         * graphite-sese-to-poly.c (build_bb_loops,
3207         add_value_to_dim, scan_tree_for_params_right_scev,
3208         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3209         find_params_in_bb, build_loop_iteration_domains,
3210         add_conditions_to_domain): Remove subtract.
3211
3212 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3213
3214         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3215         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3216         pbb_loop_at_index -> gbb_loop_at_index.
3217         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3218         (debug_loop_vec): Delete.
3219         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3220         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3221         (PBB_LOOPS): Removed.
3222         (PBB_BLACK_BOX): Insert cast.
3223         (pbb_set_black_box): New setter.
3224         (pbb_loop_at_index, pbb_loop_index): Removed.
3225         (scop_set_region, scop_set_nb_params): New.
3226         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3227         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3228         (build_poly_scop): Use scop_set_nb_params.
3229         * sese.h (gimple_bb): Add LOOPS.
3230         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3231
3232 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3233
3234         Revert previous commit.
3235
3236 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3239         (register_old_and_new_names): Update the content of the map.
3240         When there was already a rename_map_elt in the map at that
3241         location, free it.
3242         (copy_bb_and_scalar_dependences): Do rename_variables after
3243         expand_scalar_variables.
3244         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3245         of the map.  When there was already a rename_map_elt in the
3246         map at that location, free it.
3247         (translate_clast): Pass the rename_map.  Do not initialize and free
3248         a rename_map per stmt_user.
3249         (gloog): Initialize and free one rename_map and pass it to
3250         translate_clast.
3251
3252 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3253
3254         Remove forgotten line in revert.
3255
3256 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         Revert previous commit.
3259
3260 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * sese.c (register_old_and_new_names): Update the content
3263         of the map.  When there was already a rename_map_elt in the
3264         map at that location, free it.
3265         (copy_bb_and_scalar_dependences): Do rename_variables after
3266         expand_scalar_variables.
3267         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3268         of the map.  When there was already a rename_map_elt in the
3269         map at that location, free it.
3270         (translate_clast): Pass the rename_map.  Do not initialize and free
3271         a rename_map per stmt_user.
3272         (gloog): Initialize and free one rename_map and pass it to
3273         translate_clast.
3274
3275 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * graphite-clast-to-gimple.c (translate_clast): context_loop
3278         is never NULL.
3279
3280 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3281             Sebastian Pop  <sebastian.pop@amd.com>
3282
3283         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3284         of the use of ppl_Polyhedron_map_space_dimensions.
3285
3286 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3287             Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3290         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3291         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3292         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3293         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3294         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3295         pbb_nb_params): New.
3296         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3297         nb_loops_around_pbb): Adapt return types.
3298
3299 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3300
3301         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3302         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3303         graphite-scop-detection.o, graphite-poly.o): Add
3304         more headers.
3305
3306 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3307
3308         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3309         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3310         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3311
3312 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3313
3314         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3315         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3316         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3317         * testsuite/gcc.dg/graphite/block-0.c: Same.
3318         * testsuite/gcc.dg/graphite/block-1.c: Same.
3319         * testsuite/gcc.dg/graphite/block-2.c: Same.
3320         * testsuite/gcc.dg/graphite/block-3.c: Same.
3321         * testsuite/gcc.dg/graphite/block-4.c: Same.
3322         * testsuite/gcc.dg/graphite/block-5.c: Same.
3323         * testsuite/gcc.dg/graphite/block-6.c: Same.
3324         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3325         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3326         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3327         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3328         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3329         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3330         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3331         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3332         * opts.c: Remove -floop-block from -O2.
3333         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3334         -floop-strip-mine are used.
3335
3336 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3337             Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3340         dimensions.
3341         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3342         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3343         strip_mine_profitable_p, is_interchange_valid,
3344         graphite_trans_bb_block, graphite_trans_loop_block,
3345         graphite_trans_scop_block): Temporary removed.
3346         (extend_scattering, unify_scattering_dimensions): New.
3347         (print_scattering_function, graphite_read_transforms):
3348         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3349         (graphite_generate_scattering_fns): Removed.
3350         (apply_poly_transforms): Cleanup.
3351         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3352         (schedule_to_scattering): Moved.
3353         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3354         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3355         (pbb_nb_scattering): New.
3356         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3357         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3358         Removed.
3359         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3360         shift_poly.
3361         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3362         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3363         -> PBB_TRANSFORMED_SCATTERING.
3364         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3365         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3366         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3367         (check_poly_representation): Do not return bool.
3368         (graphite_transform_loops): Reformat.
3369         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3370
3371 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3374         debug_pbb_domain, debug_pbb, debug_scop): New.
3375         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3376         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3377
3378 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3379
3380         PR middle-end/39335
3381         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3382         when the type precision of the induction variable should be
3383         larger than the type precision of nit.
3384         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3385         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3386         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3387
3388         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3389         * testsuite/gcc.dg/graphite/pr39335.c: New.
3390
3391 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3394         SSA_NAMES not struct reduction_info.
3395
3396 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3399
3400 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3401             Tobias Grosser  <grosser@fim.uni-passau.de>
3402
3403         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3404         (free_sese): Free SESE_REDUCTION_LIST.
3405         * sese.h (struct sese): Add field reduction_list.
3406         (SESE_REDUCTION_LIST): New.
3407         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3408         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3409
3410 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3411             Tobias Grosser  <grosser@fim.uni-passau.de>
3412
3413         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3414         of loop_p.
3415
3416 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3417             Tobias Grosser  <grosser@fim.uni-passau.de>
3418
3419         * tree-parloops.c (struct brli, build_reduction_list_info,
3420         analyze_reduction_list, gather_scalar_reductions): New.
3421         (loop_parallel_p): Build a reduction list containing only
3422         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3423         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3424         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3425         * tree-flow.h (gather_scalar_reductions): Declared.
3426
3427 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         PR middle-end/39308
3430         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3431         number_of_iterations_exit from a gcc_assert.
3432
3433 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3434             Jan Sjodin  <jan.sjodin@amd.com>
3435
3436         * output.h (graphite_out_file, graphite_in_file): Declared.
3437         * toplev.c (graphite_out_file, graphite_in_file): New.
3438         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3439         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3440         Don't call schedule_to_scattering.
3441         * common.opt (fgraphite-write, fgraphite-read): New.
3442         * graphite-poly.c: Include output.h.
3443         (print_scattering_function, print_scattering_functions,
3444         debug_scattering_function, debug_scattering_functions,
3445         graphite_write_transforms, graphite_read_transforms,
3446         graphite_generate_scattering_fns): New.
3447         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3448         Call graphite_generate_scattering_fns, graphite_write_transforms,
3449         graphite_read_transforms.
3450         (new_poly_bb): Initialize PBB_SCATTERING.
3451         (free_poly_bb): Free PBB_SCATTERING.
3452         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3453         * graphite-poly.h (struct poly_bb): Add field scattering.
3454         (PBB_SCATTERING): New.
3455         (print_scattering_function, print_scattering_functions,
3456         debug_scattering_function, debug_scattering_functions): Declared.
3457         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3458         GMP values, not integers!
3459         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3460         ppl_read_polyhedron_matrix): New.
3461         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3462         debug_ppl_polyhedron_matrix,
3463         ppl_read_polyhedron_matrix): Declared.
3464         * Makefile.in (graphite-poly.o): Depends on output.h.
3465
3466 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3467             Tobias Grosser  <grosser@fim.uni-passau.de>
3468
3469         Revert this change:
3470         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3471         scalar evolutions in the scop_entry->loop_father.
3472
3473 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3474             Tobias Grosser  <grosser@fim.uni-passau.de>
3475
3476         * graphite.h (ref_nb_loops): Remove declaration.
3477         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3478         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3479         debug_gbb): Moved to sese.h.
3480         * sese.h: As said.
3481
3482 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3483             Tobias Grosser  <grosser@fim.uni-passau.de>
3484
3485         * graphite-data-ref.[ch]: Disable.
3486
3487 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3488             Tobias Grosser  <grosser@fim.uni-passau.de>
3489
3490         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3491         scalar evolutions in the scop_entry->loop_father.
3492
3493 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3494
3495         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3496         (graphite_cannot_represent_loop_niter): Renamed
3497         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3498         (limit_scops): build_sese_loop_nests does not return a bool.
3499         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3500         * sese.c (nb_reductions_in_loop): ... from here.
3501         (graphite_loop_normal_form): ... from here.
3502         (sese_record_loop): Does not fail, so does not return a bool.
3503         (build_sese_loop_nests): Same.
3504         * sese.h (build_sese_loop_nests): Update declaration.
3505         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3506         (build_graphite_loop_normal_form): New.
3507         (gloog): Call build_graphite_loop_normal_form.
3508         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3509         build_sese_loop_nests.
3510
3511         * testsuite/gcc.dg/graphite/id-1.c: New.
3512
3513 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3514             Tobias Grosser  <grosser@fim.uni-passau.de>
3515
3516         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3517         The SCoP detection fix is sufficient.
3518
3519 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         PR tree-optimization/39260
3522         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3523         the basic block contains a condition with a real type.
3524         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3525
3526         * gcc.dg/graphite/pr39260.c: New.
3527
3528 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3529
3530         * graphite-poly.c: Inlcude params.h.
3531         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3532         the size of a tile.
3533         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3534         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3535
3536 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3537             Tobias Grosser  <grosser@fim.uni-passau.de>
3538
3539         * graphite-scop-detection.c (dot_all_scops_1,
3540         dot_all_scops): Moved here.
3541         * graphite-scop-detection.h (dot_all_scops): Declared here.
3542         * graphite.c (graphite_initialize, graphite_finalize): New.
3543         (graphite_transform_loops): Cleaned up.
3544         * sese.c (debug_oldivs): Moved here.
3545         * graphite-poly.c (graphite_apply_transformations): Renamed
3546         apply_poly_transforms.
3547         (debug_loop_vec): Moved here.
3548         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3549         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3550         find_scop_parameters, build_scop_iteration_domain,
3551         add_conditions_to_constraints, build_scop_canonical_schedules,
3552         build_scop_data_accesses): Now static.
3553         (build_poly_scop, check_poly_representation): New.
3554
3555 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3556
3557         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3558         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3559         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3560         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3561         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3562         scan_tree_for_params, struct irp_data, dx_record_params,
3563         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3564         build_loop_iteration_domains, add_conditions_to_domain,
3565         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3566         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3567         build_sese_conditions, add_conditions_to_constraints,
3568         build_scop_iteration_domain, build_access_matrix_with_af,
3569         build_access_matrix,
3570         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3571
3572         * graphite-sese-to-poly.c: New.
3573         * graphite-sese-to-poly.h: New.
3574
3575         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3576
3577 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3578
3579         * graphite.c: Split graphite code generation to a new file.
3580         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3581         max_precision_type, clast_to_gcc_expression_red,
3582         clast_to_gcc_expression, gcc_type_for_clast_expr,
3583         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3584         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3585         graphite_create_new_guard, clast_get_body_of_loop,
3586         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3587         graphite_create_new_loop, build_iv_mapping, copy_renames,
3588         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3589         compute_cloog_iv_types, free_scattering, save_var_name,
3590         initialize_cloog_names, build_scop_context, build_cloog_prog,
3591         set_cloog_options, debug_clast_stmt, scop_to_clast,
3592         print_generated_program, debug_generated_program,
3593         gloog): Moved to graphite-clast-to-gimple.c.
3594
3595         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3596
3597         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3598         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3599         loop_iv_stack_pop, loop_iv_stack_get_iv,
3600         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3601         free_loop_iv_stack, loop_iv_stack_remove_constants,
3602         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3603         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3604         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3605         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3606         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3607         get_vdef_before_sese, sese_adjust_vphi,
3608         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3609         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3610         is_iv, expand_scalar_variables_ssa_name,
3611         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3612         expand_scalar_variables, rename_variables, remove_condition,
3613         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3614         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3615         default_liveout_before_guard, add_guard_exit_phis,
3616         insert_guard_phis, register_old_and_new_names,
3617         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3618         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3619         if_region_set_false_region, create_if_region_on_edge,
3620         move_sese_in_condition): Moved to sese.c.
3621
3622         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3623         if_region_exit, if_region_get_condition_block,
3624         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3625         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3626         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3627         ivtype_map_elt, new_ivtype_map_elt,
3628         recompute_all_dominators): Moved to sese.h.
3629
3630         * graphite-clast-to-gimple.c: New.
3631         * graphite-clast-to-gimple.h: New.
3632         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3633         * sese.c: Modified as said above.
3634         * sese.h: Same.
3635
3636 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         * graphite.c: Split scop detection to a new file.
3639         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3640         move_sd_regions, loop_affine_expr, exclude_component_ref,
3641         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3642         graphite_cannot_represent_loop_niter, struct scopdet_info,
3643         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3644         find_single_entry_edge, find_single_exit_edge,
3645         create_single_entry_edge, sd_region_without_exit,
3646         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3647         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3648         Moved to graphite-scop-detection.c.
3649
3650         * graphite-scop-detection.c: New.
3651         * graphite-scop-detection.h: New.
3652         * Makefile.in: Add new rule for graphite-scop-detection.o.
3653
3654         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3655         tree-scalar-evolution.h.
3656         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3657         build_sese_loop_nests): Moved here from graphite.c.
3658         (param_index): Renamed parameter_index_in_region.
3659
3660 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3661             Sebastian Pop  <sebastian.pop@amd.com>
3662
3663         * gcc.dg/graphite/block-0.c: Expected to fail now.
3664         * gcc.dg/graphite/block-1.c: Same.
3665         * gcc.dg/graphite/block-5.c: Same.
3666         * gcc.dg/graphite/block-6.c: Same.
3667
3668 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3669             Sebastian Pop  <sebastian.pop@amd.com>
3670
3671         * graphite.h: Separate from graphite_bb_p the polyhedral
3672         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3673         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3674         graphite-data-ref.h.
3675         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3676         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3677         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3678         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3679         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3680         scop_nb_params): Moved to graphite-poly.h.
3681         * graphite-data-ref.c: Same.
3682         * graphite-data-ref.h: New.
3683         * graphite.c: Same.
3684         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3685         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3686         is_interchange_valid, graphite_trans_bb_block,
3687         graphite_trans_loop_block, scop_max_loop_depth,
3688         graphite_trans_scop_block, graphite_apply_transformations,
3689         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3690         graphite-poly.c.
3691         * graphite-poly.h: New.
3692         * graphite-poly.c: New.
3693         * Makefile.in (OBJS-common): Add graphite-poly.o.
3694         (graphite-poly.o): New rule.
3695         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3696         (DR_SCOP): Removed.
3697
3698 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3699             Tobias Grosser  <grosser@fim.uni-passau.de>
3700
3701         * graphite.c: Replace gb -> gbb.
3702         * graphite.h: Same.
3703         * graphite-data-ref.c: Same.
3704
3705 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3706             Tobias Grosser  <grosser@fim.uni-passau.de>
3707
3708         * Makefile.in (OBJS-commmon): Add sese.o.
3709         (sese.o): New.
3710         (graphite.o): Add sese.h.
3711         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3712         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3713         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3714         Move to sese.
3715         (block_before_scop): Add missing return.
3716         (new_scop, free_scop): Remove SESE data structures.
3717         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3718         find_scop_parameters, build_loop_iteration_domains,
3719         add_conditions_to_domain, register_scop_liveout_renames,
3720         copy_bb_and_scalar_dependences): Scop -> SESE.
3721
3722         (add_conditions_to_domain): SCoP -> SESE and remove check
3723         (scop_contains_non_iv_scalar_phi_nodes): New.
3724         (build_scop_conditions_1, build_scop_conditions): Remove check for
3725         non iv scalar phi nodes.
3726         (print_scop_statistics): New.
3727         (graphite_transform_loops): Cleanup.
3728
3729         * graphite.h: Move to sese & cleanup.
3730         * sese.c: New.
3731         * sese.h: New.
3732
3733 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3734             Tobias Grosser  <grosser@fim.uni-passau.de>
3735
3736         * graphite.c (build_scop_conditions_1): Conditions are only
3737         at the end of a basic block.
3738
3739 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3740             Tobias Grosser  <grosser@fim.uni-passau>
3741
3742         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3743         field.
3744         (GBB_ALPHA): Removed.
3745
3746 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3747             Tobias Grosser  <grosser@fim.uni-passau.de>
3748
3749         * graphite-data-ref.c (graphite_test_dependence): Don't use
3750         GBB_DYNAMIC_SCHEDULE.
3751         * graphite.c (new_graphite_bb): Same.
3752         (free_graphite_bb): Same.
3753         (build_scop_dynamic_schedules): Removed.
3754         (graphite_transform_loops): Don't call it.
3755         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3756         (GBB_DYNAMIC_SCHEDULE): Removed.
3757
3758 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3759             Tobias Grosser  <grosser@fim.uni-passau.de>
3760
3761         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3762         (print_graphite_bb): Same.
3763         (build_cloog_prog): Same.
3764
3765 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3766             Tobias Grosser  <grosser@fim.uni-passau.de>
3767
3768         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3769
3770 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3771             Tobias Grosser  <grosser@fim.uni-passau.de>
3772
3773         * graphite.c (build_scop_context): Don't use CloogMatrix.
3774         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3775         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3776
3777 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3778             Tobias Grosser  <grosser@fim.uni-passau.de>
3779
3780         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3781         liveout_renames, add_params fields...
3782         (struct sese): ... here.
3783         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3784         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3785
3786 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3787             Tobias Grosser  <grosser@fim.uni-passau.de>
3788
3789         * graphite.c (print_scop): Do not print the CLooG program.
3790         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3791         build_cloog_prog, gloog): Don't use SCOP_PROG.
3792         (find_transform): Renamed scop_to_clast.
3793         (print_generated_program, debug_generated_program): New.
3794         (graphite_transform_loops): Adapt to new interface.
3795         * graphite.h (struct scop): Remove program field.
3796         (SCOP_PROG): Removed.
3797         (print_generated_program, debug_generated_program): Declared.
3798
3799 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3802         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3803         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3804         free_graphite_bb, build_scop_canonical_schedules,
3805         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3806         schedules are now represented using a ppl_Linear_Expression_t.
3807         * graphite.h (struct graphite_bb): Same.
3808         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3809         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3810
3811 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * graphite.c: Free local memory.
3814         * graphite-ppl.c: Same.
3815
3816 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3817
3818         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3819         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3820         swap_constraint_variables, scale_constraint_variable): Removed.
3821         (graphite_trans_bb_strip_mine): Remove pong.
3822         * graphite-ppl.c: Include missing header files.
3823         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3824         * graphite-ppl.h (ppl_strip_loop): Declared.
3825         * Makefile.in (graphite-ppl.o): Adjust dependences.
3826
3827 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3828
3829         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3830         (build_scop_iteration_domain): Same.
3831
3832 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3835         ping pong.
3836         (add_value_to_dim, scan_tree_for_params_right_scev,
3837         scan_tree_for_params_int): New.
3838         * graphite-ppl.c (oppose_constraint): New.
3839         (insert_constraint_into_matrix): Implement missing cases.
3840         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3841
3842 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3843
3844         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3845         use ppl_move_dimension.
3846
3847 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3848
3849         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3850         * graphite.c: Same.
3851         * graphite.h: Same.
3852         * graphite-ppl.c: Same.
3853         * graphite-ppl.h: Same.
3854
3855 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         Revert last 3 commits.
3858
3859 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3862         ping pong.
3863         (add_value_to_dim, scan_tree_for_params_right_scev,
3864         scan_tree_for_params_int): New.
3865         * graphite-ppl.c (oppose_constraint): New.
3866         (insert_constraint_into_matrix): Implement missing cases.
3867         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3868
3869 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3870
3871         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3872
3873 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3874             Tobias Grosser  <grosser@fim.uni-passau.de>
3875
3876         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3877         use ppl_move_dimension.
3878         * graphite-ppl.c (ppl_move_dimension): New.
3879         * graphite-ppl.h (ppl_move_dimension): Declared.
3880
3881 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3882
3883         * graphite.c: Do not include cloog/cloog.h.
3884         (print_graphite_bb): Remove ping pong, call PPL print function.
3885
3886 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3887
3888         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3889         (graphite.o): Add dependence on graphite-ppl.h.
3890         (graphite-ppl.o): New.
3891         (graphite-data-ref.c): Ping pong between PPL data structures
3892         and matrices.
3893         * graphite-ppl.c: New.
3894         * graphite-ppl.h: New.
3895         * graphite.c: Include graphite-ppl.h.
3896         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3897         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3898         Ping pong between PPL data structures and matrices.
3899         (new_graphite_bb): Create a PPL constraint system.
3900         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3901         (build_loop_iteration_domains): Use PPL functions.
3902         * graphite.h: Include graphite-ppl.h.  Fix comments.
3903         (graphite_bb): Use a ppl_Constraint_System_t instead of
3904         CloogMatrix for representing the domain.
3905         (scop): Remove static_schedule.
3906         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3907
3908 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * graphite.c: Fix some comments.
3911
3912 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         PR middle-end/38953
3915         * graphite.c (if_region_set_false_region): After moving a region
3916         in the false branch of a condition, remove the empty dummy
3917         basic block.
3918         (gloog): Remove wrong fix for PR38953.
3919
3920 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3921
3922         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3923         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3924         register_bb_in_sese, new_sese, free_sese): Moved.
3925         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3926         outermost_loop_in_scop, build_scop_iteration_domain,
3927         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3928         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3929         Use loop_in_sese_p instead of loop_in_scop_p.
3930         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3931         (free_scop): Do not free SCOP_BBS_B.
3932         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3933         ref_nb_loops): Moved here...
3934         * graphite.h (ref_nb_loops): ... from here.
3935         (struct scop): Remove bbs_b bitmap.
3936         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3937         * testsuite/gcc.dg/graphite/scop-19.c: New
3938
3939 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3940
3941         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3942         detection.
3943
3944 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3945
3946         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3947         eq_loop_to_cloog_loop): Remove.
3948         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3949         * graphite.h (struct scop): Remove loop2cloog_loop.
3950         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3951
3952 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3953
3954         * opts.c (decode_options): Only add graphite options to O2
3955         if we compile with graphite enabled.
3956
3957 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3958
3959         * Merge from mainline (r143163:143684).
3960
3961 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3962
3963         * graphite.c (debug_value): Removed.
3964         * graphite.h (debug_value): Removed.
3965
3966 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3969         after graphite: pass_copy_prop does not maintain a proper loop closed
3970         SSA form.  pass_copy_prop should be fixed.
3971
3972 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3973
3974         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3975
3976 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3977
3978         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3979         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3980         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3981         changed the CFG.
3982
3983 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3984
3985         * graphite.c (gloog): Return true when code gen succeeded.
3986         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3987         the code of the function did not changed.  After cleanup_tree_cfg
3988         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3989         form.
3990
3991 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3992
3993         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3994         gimple_call_lhs is NULL.
3995
3996 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3997             Tobias Grosser  <tobi.grosser@amd.com>
3998
3999         * graphite.c (graphite_trans_scop_block): Do not block single
4000         nested loops.
4001
4002 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4003             Tobias Grosser  <tobi.grosser@amd.com>
4004
4005         * graphite.c (build_scop_canonical_schedules): Start schedules at
4006         zero.
4007
4008 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4009             Tobias Grosser  <tobi.grosser@amd.com>
4010
4011         * graphite.c (compare_prefix_loops): New.
4012         (build_scop_canonical_schedules): Rewritten.
4013         (graphite_transform_loops): Move build_scop_canonical_schedules
4014         after build_scop_iteration_domain.
4015
4016 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4017             Tobias Grosser  <tobi.grosser@amd.com>
4018
4019         * graphite.c (add_conditions_to_domain): Add the loops to
4020         the dimension of the iteration domain.  Do copy the domain
4021         only when it exists.
4022         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4023         (add_conditions_to_constraints): New.
4024         (can_generate_code_stmt, can_generate_code): Removed.
4025         (gloog): Do not call can_generate_code.
4026         (graphite_transform_loops): Call add_conditions_to_constraints
4027         after building the iteration domain.
4028
4029 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4030             Tobias Grosser  <tobi.grosser@amd.com>
4031             Jan Sjodin  <jan.sjodin@amd.com>
4032
4033         * graphite.c (scan_tree_for_params): On substractions negate
4034         all the coefficients of the term.
4035         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4036         of more than two operands.
4037         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4038         (get_vdef_before_scop): Handle also the case of default definitions.
4039
4040 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         PR middle-end/38431
4043         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4044         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4045         (gloog): Do not call cleanup_tree_cfg.
4046         (graphite_transform_loops): Call cleanup_tree_cfg after all
4047         scops have been code generated.
4048
4049 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4050
4051         * passes.c (init_optimization_passes): Schedule after
4052         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4053
4054 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4055
4056         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4057         Fix comment.
4058         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4059         Set the type of an expression to the type of its assign statement.
4060         (expand_scalar_variables_expr):  Do not pass loop_p.
4061         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4062         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4063         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4064
4065 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4068         an expression to the gimple_expr_type of its assign statement.
4069         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4070         or tcc_declaration.
4071
4072 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4073
4074         PR tree-optimization/38786
4075         * testsuite/gcc.dg/graphite/pr38786.c: New.
4076         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4077         the SSA_NAME case of expand_scalar_variables_expr.
4078         (expand_scalar_variables_expr): Also gather the scalar computation
4079         used to index the memory access.
4080         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4081         the gimple_stmt_iterator where it inserts new code.
4082
4083 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4084
4085         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4086
4087 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4088
4089         * opts.c (decode_options): Enable flag_graphite_identity and
4090         flag_loop_block in -O2 and above.
4091
4092 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4093
4094         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4095         Fix merge problem: replace with the file from trunk.
4096
4097 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4098
4099         * Merge from mainline (r141727:143163).
4100
4101 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4102             Jan Sjodin  <jan.sjodin@amd.com>
4103
4104         PR tree-optimization/38559
4105         * testsuite/gcc.dg/graphite/pr38559.c: New.
4106
4107         * graphite.c (debug_value, copy_constraint,
4108         swap_constraint_variables, scale_constraint_variable, ): New.
4109         (get_lower_bound, get_upper_bound): Removed.
4110         (graphite_trans_bb_strip_mine): Clean up this code that works
4111         only for constant number of iterations.  Fully copy upper and
4112         lower bound constraints, not only the constant part of them.
4113         * graphite.h (debug_value): Declared.
4114
4115 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4116
4117         PR tree-optimization/38492
4118         PR tree-optimization/38498
4119         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4120         * tree-chrec.h (scev_is_linear_expression): Declared.
4121         * graphite.c (graphite_cannot_represent_loop_niter): New.
4122         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4123         (graphite_loop_normal_form): Use gcc_assert.
4124         (scan_tree_for_params): Use CASE_CONVERT.
4125         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4126         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4127         Use gcc_assert.  Discard scops that contain unhandled cases.
4128         (build_scop_conditions): Return a boolean status for unhandled cases.
4129         (strip_mine_profitable_p): Print the loop number, not its depth.
4130         (is_interchange_valid): Pass the depth of the loop nest, don't
4131         recompute it wrongly.
4132         (graphite_trans_bb_block): Same.
4133         (graphite_trans_bb_block): Print tentative of loop blocking.
4134         (graphite_trans_scop_block): Do not print that the loop has been
4135         blocked.
4136         (graphite_transform_loops): Do not handle scops that contain condition
4137         scalar phi nodes.
4138
4139         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
4140         in trunk.
4141         * testsuite/gcc.dg/graphite/block-0.c: Update test.
4142         * testsuite/gcc.dg/graphite/block-1.c: Same.
4143         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
4144         blocking.
4145         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
4146         * testsuite/gcc.dg/graphite/block-3.c: New.
4147         * testsuite/gcc.dg/graphite/pr38498.c: New.
4148
4149 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4150
4151         PR tree-optimization/38510
4152         * gcc.dg/graphite/pr38510.c: New.
4153         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4154           (translate_clast): Call recompute_all_dominators before
4155           graphite_verify.
4156           (gloog): Call recompute_all_dominators before graphite_verify.
4157
4158 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4159
4160         PR tree-optimization/38492
4161         * graphite.c (rename_map_elt, debug_rename_elt,
4162         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4163         rename_map_elt_info, eq_rename_map_elts,
4164         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4165         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4166         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4167         (sese_build_livein_liveouts): New.
4168         (new_sese, free_sese): New.
4169         (new_scop): Call new_sese.
4170         (free_scop): Call free_sese.
4171         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4172         (register_old_new_names): Renamed register_old_and_new_names.
4173         (register_scop_liveout_renames, add_loop_exit_phis,
4174         insert_loop_close_phis, struct igp,
4175         default_liveout_before_guard, add_guard_exit_phis,
4176         insert_guard_phis, copy_renames): New.
4177         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4178         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4179         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4180         (scop_adjust_phis_for_liveouts): New.
4181         (gloog): Call scop_adjust_phis_for_liveouts.
4182
4183         * graphite.h (struct sese): Documented.  Added fields liveout,
4184         num_ver and livein.
4185         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4186         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4187         (struct scop): Added field liveout_renames.
4188         (SCOP_LIVEOUT_RENAMES): New.
4189
4190 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4191
4192         PR tree-optimization/38409
4193         * gcc.dg/graphite/pr38409.c: New.
4194         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4195
4196 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4197
4198         * graphite.c (gcc_type_for_cloog_iv): By default return
4199         integer_type_node.
4200         (graphite_create_new_loop): Don't fold_convert the already
4201         fold_convert-ed expression.
4202
4203 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4204
4205         PR tree-optimization/38446
4206         * gcc.dg/graphite/pr38446.c: New.
4207         * graphite.c (register_bb_in_sese): New.
4208         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4209         looking at the bbs in the region.
4210         * graphite.h (sese): Add region_basic_blocks pointer set to
4211         structure and initialize at the time of defining new scop.
4212
4213 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4214
4215         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4216         (find_params_in_bb): Do not free data refs.
4217         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4218
4219 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4220
4221         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4222         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4223         * testsuite/gcc.dg/graphite/block-5.c: New.
4224         * testsuite/gcc.dg/graphite/block-6.c: New.
4225         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4226         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4227         * testsuite/gcc.dg/graphite/block-2.c: Same.
4228
4229         * graphite.c (struct ivtype_map_elt): New.
4230         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4231         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4232         gcc_type_for_cloog_iv): New.
4233         (loop_iv_stack_patch_for_consts): Use the type of the induction
4234         variable from the original loop, except for the automatically
4235         generated loops, i.e., in the case of a strip-mined loop, in
4236         which case there is no original loop: in that case just use
4237         integer_type_node.
4238         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4239         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4240         (clast_name_to_gcc): Accept params to be NULL.
4241         (clast_to_gcc_expression): Take an extra parameter for the type.
4242         Convert to that type all the expressions built by this function.
4243         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4244         (graphite_translate_clast_equation): Compute the type of the
4245         clast_equation before translating its LHS and RHS.
4246         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4247         (graphite_create_new_loop): Compute the type of the induction
4248         variable before translating the lower and upper bounds and before
4249         creating the induction variable.
4250         (rename_variables_from_edge, rename_phis_end_scop): New.
4251         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4252         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4253         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4254         compute_cloog_iv_types): New.
4255         (gloog): Call compute_cloog_iv_types before starting the
4256         translation of the clast.
4257
4258         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4259         (GBB_CLOOG_IV_TYPES): New.
4260         (debug_ivtype_map): Declared.
4261         (oldiv_for_loop): New.
4262
4263 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4264
4265         PR middle-end/38459
4266         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4267         (param_index): Assert if parameter is not know after parameter
4268         detection.
4269         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4270         (find_scop_parameters): Mark, that we have finished parameter
4271         detection.
4272         (graphite_transform_loops): Move condition detection before parameter
4273         detection.
4274         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4275         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4276
4277 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4278
4279         * graphite.c (graphite_transform_loops): Always call find_transform ()
4280         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4281         generate code.
4282
4283 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4284
4285         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4286         (print_scop): Ditto.
4287
4288 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4289
4290         PR middle-end/38084
4291         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4292         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4293         regions more than once.
4294
4295 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4296
4297         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4298         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4299         when not needed.
4300
4301 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4302
4303         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4304         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4305         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4306         (max_precision_type): New.
4307         (value_clast): Removed.
4308         (clast_to_gcc_expression): Be more careful to types of expressions.
4309         Use max_precision_type and update use of gmp_cst_to_tree.
4310         (graphite_translate_clast_equation): Use max_precision_type.
4311         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4312         use the type of the condition.
4313         (graphite_create_new_loop): Do not use integer_type_node, use the
4314         max_precision_type of lb and ub.
4315
4316 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * graphite.c (build_scops_1): Initialize open_scop.exit
4319         and sinfo.last.
4320
4321 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4322
4323         * testsuite/gcc.dg/graphite/pr38084.c: New.
4324         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4325         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4326         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4327         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4328         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4329
4330 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4331             Jan Sjodin  <jan.sjodin@amd.com>
4332             Harsha Jagasia  <harsha.jagasia@amd.com>
4333
4334         PR middle-end/37852
4335         PR middle-end/37883
4336         PR middle-end/37928
4337         PR middle-end/37980
4338         PR middle-end/38038
4339         PR middle-end/38039
4340         PR middle-end/38073
4341         PR middle-end/38083
4342         PR middle-end/38125
4343
4344         * testsuite/gcc.dg/graphite/pr38073.c: New.
4345         * testsuite/gcc.dg/graphite/pr37928.c: New.
4346         * testsuite/gcc.dg/graphite/pr37883.c: New.
4347         * testsuite/gcc.dg/graphite/pr38125.c: New.
4348         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4349         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4350         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4351
4352         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4353         the number of detected scops.  Copy exact same test for loop
4354         blocking...
4355         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4356         loops to be blocked as reductions are not handled.
4357         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4358
4359         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4360         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4361         ...here.
4362         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4363         * Makefile.in (graphite.o): Depend on value-prof.h.
4364         (graphite.o-warn): Removed -Wno-error.
4365         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4366         to be a NULL pointer.  Call update_stmt.  Return the newly created
4367         cannonical induction variable.
4368
4369         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4370
4371         * graphite.c: Reimplement the code generation from graphite to gimple.
4372         Include value-prof.h.
4373         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4374         (get_old_iv_from_ssa_name): Removed.
4375         (graphite_stmt_p): New.
4376         (new_graphite_bb): Test for useful statements before building a
4377         graphite statement for the basic block.
4378         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4379         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4380         reason.
4381         (recompute_all_dominators, graphite_verify,
4382         nb_reductions_in_loop, graphite_loop_normal_form): New.
4383         (scop_record_loop): Call graphite_loop_normal_form.
4384         (build_scop_loop_nests): Iterate over all the blocks of the
4385         function instead of relying on the incomplete information from
4386         SCOP_BBS.  Return the success of the operation.
4387         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4388         (add_bb_domains): Removed.
4389         (build_loop_iteration_domains): Don't call add_bb_domains.
4390         Add the iteration domain only to the basic blocks that have been
4391         translated to graphite.
4392         (build_scop_conditions_1): Add constraints only if the basic
4393         block have been translated to graphite.
4394         (build_scop_data_accesses): Completely disabled until data
4395         dependence is correctly implemented.
4396         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4397         (remove_all_edges_1, remove_all_edges): Removed.
4398         (get_new_name_from_old_name): New.
4399         (graphite_rename_variables_in_stmt): Renamed
4400         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4401         Use replace_exp and update_stmt.
4402         (is_old_iv): Renamed is_iv.
4403         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4404         Use replace_exp and update_stmt.
4405         (expand_scalar_variables_expr): Same.  Use the map to get the
4406         new names for the renaming of induction variables and for the
4407         renaming of variables after a basic block has been copied.
4408         (expand_scalar_variables): Same.
4409         (graphite_rename_variables): Renamed rename_variables.
4410         (move_phi_nodes): Removed.
4411         (get_false_edge_from_guard_bb): New.
4412         (build_iv_mapping): Do not insert the induction variable of a
4413         loop in the renaming iv map if the basic block does not belong
4414         to that loop.
4415         (register_old_new_names, graphite_copy_stmts_from_block,
4416         copy_bb_and_scalar_dependences): New.
4417         (translate_clast): Heavily reimplemented: copy basic blocks,
4418         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4419         At each translation step call graphite_verify ensuring the
4420         consistency of the SSA, loops and dominators information.
4421         (collect_virtual_phis, find_vdef_for_var_in_bb,
4422         find_vdef_for_var_1, find_vdef_for_var,
4423         patch_phis_for_virtual_defs): Removed huge hack.
4424         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4425         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4426         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4427         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4428         if_region_get_condition_block, if_region_set_false_region,
4429         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4430         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4431         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4432         rewrite_into_sese_closed_ssa): New.
4433         (gloog): Remove dead code.  Early return if code cannot be
4434         generated.  Call cleanup_tree_cfg once the scop has been code
4435         generated.
4436         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4437         block loops with less than two loops.
4438         (graphite_apply_transformations): Remove the call to
4439         scop_remove_ignoreable_gbbs.
4440         (limit_scops): When build_scop_loop_nests fails, continue on
4441         the next scop.  Fix open_scop.entry.
4442         (graphite_transform_loops): Call recompute_all_dominators: force the
4443         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4444         Call initialize_original_copy_tables and free_original_copy_tables
4445         to be able to copy basic blocks during code generation.
4446         When build_scop_loop_nests fails, continue on next scop.
4447         (value_clast): New union.
4448         (clast_to_gcc_expression): Fix type cast warning.
4449
4450 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4451
4452         * Merge from mainline (r140838:141727).
4453
4454 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4455
4456         PR middle-end/37833
4457
4458         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4459
4460 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4461
4462         PR middle-end/37943
4463
4464         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4465         exits and conditions.
4466         * testsuite/gcc.dg/graphite/pr37943.c: New.
4467
4468 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4469
4470         PR middle-end/37886
4471         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4472
4473 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4474
4475         * doc/invoke.texi: Fix spaces.
4476
4477 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4478
4479         PR tree-optimization/37891
4480         Reverted last commit.
4481         * graphite.c (create_single_entry_edge): Set
4482         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4483
4484 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4485             Mitul Thakkar  <mitul.thakkar@amd.com>
4486
4487         * graphite.c (create_single_entry_edge): Set
4488         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4489
4490 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4491
4492         * doc/invoke.texi: Add -fgraphite-identity.
4493         * graphite.c (graphite_apply_transformations): Check for
4494         -fgraphite-identity.
4495         * toplev.c (process_options): Add flag_graphite_identity.
4496         * tree-ssa-loop.c: Add flag_graphite_identity.
4497
4498 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4499
4500         Undo changes from 2008-10-02:
4501         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4502         operand type when copying the operand to a variable of different type.
4503         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4504         with the IV name after increment.
4505
4506 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4507             Harsha Jagasia  <harsha.jagasia@amd.com>
4508
4509         PR tree-optimization/37828
4510         * testsuite/gcc.dg/graphite/pr37828.c: New.
4511         * graphite.c (graphite_trans_loop_block): Do not loop block
4512         single nested loops.
4513
4514 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4515             Sebastian Pop  <sebastian.pop@amd.com>
4516
4517         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4518         rename_map_elt_info, eq_rename_map_elts): New.
4519         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4520         (expand_scalar_variables_expr): Change parameters.
4521         (expand_scalar_variables_stmt): Same.
4522         (expand_scalar_variables): Same.
4523         (graphite_rename_ivs): Rename graphite_rename_variables.
4524         (build_iv_mapping): New.
4525         (translate_clast): Call build_iv_mapping.
4526         * graphite.h (gbb_p): New name.
4527
4528 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4529
4530         PR tree-optimization/37684
4531         * gcc.dg/graphite/pr37684.c: New.
4532         * graphite.c (exclude_component_ref): New.
4533         (is_simple_operand): Call exclude_component_ref.
4534
4535 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4536             Harsha Jagasia  <harsha.jagasia@amd.com>
4537
4538         PR tree-optimization/37485
4539         * gcc.dg/graphite/block-2.c: New
4540         * graphite.c (gmp_cst_to_tree): Moved.
4541         (iv_stack_entry_is_constant): New.
4542         (iv_stack_entry_is_iv): New.
4543         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4544         (loop_iv_stack_insert_constant): New.
4545         (loop_iv_stack_pop): Use new datatpype.
4546         (loop_iv_stack_get_iv): Same.
4547         (loop_iv_stack_get_iv_from_name): Same.
4548         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4549         (loop_iv_stack_patch_for_consts): New.
4550         (loop_iv_stack_remove_constants): New.
4551         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4552         (translate_clast): Call loop_iv_stack_patch_for_consts and
4553         loop_iv_stack_remove_constants.
4554         (gloog): Use new datatype.  Redirect construction edge to end
4555         block to avoid accidental deletion.
4556         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4557         iv stack entry.
4558         (union iv_stack_entry_data): New.  Data in iv stack entry.
4559         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4560
4561 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4562
4563         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4564         operand type when copying the operand to a variable of different type.
4565
4566 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4567
4568         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4569         with the IV name after increment.
4570
4571 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4572
4573         * Merge from mainline (r140164:140838).
4574
4575 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4576
4577         * graphite-data-ref.c: New.
4578         * graphite.c (print_scop): Also dump the dependence graph.
4579         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4580         (new_scop): Initialize SCOP_DEP_GRAPH.
4581         (build_scop_dynamic_schedules): New.
4582         (build_access_matrix_with_af): Fixed column numbering.
4583         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4584         * graphite.h: Add ifndef/define guards against multiple inclusion.
4585         (struct scop): Add dep_graph field.
4586         (SCOP_DEP_GRAPH): Defined.
4587         (ref_nb_loops): Fixed and moved to other position.
4588         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4589         (nb_loops_around_loop_in_scop): New.
4590         (graphite_dump_dependence_graph): Declared.
4591         (graphite_build_rdg_all_levels): Declared.
4592         (graphite_test_dependence): Declared.
4593         * Makefile.in (graphite-data-ref.o): New target.
4594
4595 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4596
4597         * Merge from mainline (139870:140164).
4598
4599 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4600
4601         * Merge from mainline (138275:139870).
4602         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4603         the commits from trunk broke the niter detection.
4604
4605 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4606
4607         * graphite.c: Add more documentation.  Fix formatting.
4608         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4609         loop_iv_stack_debug): Moved...
4610         (schedule_to_scattering): Move before use.
4611         (dot_all_scops): Include in "#if 0" the code for system
4612         call dotty.
4613
4614         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4615         loop_iv_stack_debug): ...here.
4616
4617 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4618
4619         * tree-phinodes.c (make_phi_node): Extern.
4620         (add_phi_node_to_bb): New.
4621         (create_phi_node): Call add_phi_node_to_bb.
4622         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4623         (remove_statement): Handle case where stored phi was updated
4624         and is no longer the same.
4625         * graphite.c (is_parameter): New.
4626         (is_old_iv): New.
4627         (expand_scalar_variables_expr): New.
4628         (expand_scalar_variables_stmt): New.
4629         (expand_scalar_variables): New.
4630         (move_phi_nodes): Create new phi instead of moving old one.
4631         (translate_clast): Call expand_scalar_variables.
4632         (find_vdef_for_var_in_bb): Also scan regular definitions.
4633         (skip_phi_defs): New.
4634         (collect_scop_exit_phi_args): New.
4635         (patch_scop_exit_phi_args): New.
4636         (gloog): Patch phis after scop.
4637         * tree-flow.h: (add_phi_node_to_bb): Declared.
4638         (make_phi_node): Declared.
4639
4640 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4641
4642         * graphite.c (end_scop): Split the entry of the scop when it
4643         is the header of the loop in which the scop is ending.
4644         (build_scops_1, limit_scops): Update uses of end_scop.
4645
4646 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4647
4648         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4649         SCOP_ENTRY or SCOP_EXIT.
4650
4651 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite.c (get_construction_edge): Removed.
4654         (gloog): Construction edge is the scop entry edge.
4655
4656 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4657
4658         * graphite.c (can_generate_for_scop): Removed.
4659         (gloog): Do not call it.
4660
4661 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4662
4663         * graphite.c (new_scop): Entry of a scop is an edge.
4664         Initialize SESE region.
4665         (free_scop): Free SESE region.
4666         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4667         (split_difficult_bb): New, split from end_scop.
4668         (end_scop): Exit of a scop is an edge.
4669         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4670         not automatically updated and thus is always wrong.
4671         * graphite.h (struct sese): New.
4672         (SESE_ENTRY): New.
4673         (SESE_EXIT): New.
4674         (struct scop): New field for a SESE region.  Remove entry, exit.
4675         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4676         semantics as before.  Moved comment around.
4677
4678 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4679             Sebastian Pop  <sebastian.pop@amd.com>
4680
4681         * graphite.c (graphite_transform_loops): Always enable gloog
4682         and find_transform when ENABLE_CHECKING.
4683
4684 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4685
4686         * graphite.c (graphite_transform_loops): Move pretty printer
4687         of SCOPs before doing any transform.  Remove call to print_scops
4688         and dot_all_scops_1.
4689
4690 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4691
4692         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4693         (print_graphite_bb): Same.
4694
4695 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4696
4697         * graphite.c (dot_all_scops_1): Cleanup.
4698         (move_scops): Fix comment.
4699
4700 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4701
4702         * graphite.c (build_scop_bbs): Revert commit 139355:
4703
4704         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4705                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4706
4707                 * graphite.c (build_scop_bbs): Factor up code.
4708
4709 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4710
4711         * graphite.c (gloog): Update dominator info.
4712
4713 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4714
4715         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4716
4717 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4718
4719         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4720         initialization.
4721         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4722         (translate_clast): Correct formatting.
4723         * graphite.h (struct num_map): Removed.
4724         (struct graphite_bb): Remove num_map field.
4725         (GBB_INDEX_TO_NUM_MAP): Removed.
4726
4727 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4728
4729         * graphite.c (build_access_matrix_with_af): Fix comments.
4730         (build_scop_data_accesses): Same.
4731
4732 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4733
4734         * graphite.c (build_scop_data_accesses): Don't construct
4735         access matrices.  Add a FIXME and an assert condition that
4736         should pass when the access matrices will be needed.
4737
4738 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4739
4740         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4741         really_constant_p.
4742         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4743         Moved close by free_graphite_bb.
4744         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4745         (new_scop): Move close by free_scop.
4746         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4747
4748 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4749
4750         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4751         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4752         instead of recursive call.
4753         (graphite_translate_clast_equation): New.
4754         (graphite_create_guard_cond_expr): New.
4755         (graphite_create_new_guard): New.
4756         (get_stack_index_from_iv): Removed.
4757         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4758         (get_true_edge_from_guard_bb): New.
4759         (translate_clast): Handle stmt_guard in clast.
4760         (get_construction_edge): Allow construction edge detection for
4761         a scope entry with multiple predecessors if one predecessor is
4762         the immediate dominator of scope entry.
4763         (can_generate_code_stmt): Enable code generation for clast_guard.
4764         (gloog): Use correct context loop.  Removed check for post dominators.
4765         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4766
4767 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4768
4769         * graphite.c (remove_dead_loops): Document better which
4770         loops are removed.
4771
4772 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4773
4774         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4775         and PPLINC.
4776         (graphite.o): Also depends on pointer-set.h.
4777
4778 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4779
4780         * graphite.c (scop_record_loop): Fix compile warning.
4781
4782 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4783             Sebastian Pop  <sebastian.pop@amd.com>
4784
4785         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4786
4787 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4788
4789         * graphite.c (build_graphite_bb): Initialize bb->aux to
4790         point to the graphite_bb_p.
4791         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4792         content of bb->aux.
4793         (add_bb_domains): Does not use the scop parameter.
4794         (graphite_transform_loops): Clean bb->aux at the end.
4795
4796 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4797             Sebastian Pop  <sebastian.pop@amd.com>
4798
4799         * testsuite/lib/target-supports.exp
4800         (check_effective_target_fgraphite): New.
4801
4802         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4803         check_effective_target_fgraphite returns false.
4804         Set dg-do-what-default to compile.
4805         (scan-graphite-dump-times): Removed.
4806         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4807
4808         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4809         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4810         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4811         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4812         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4813         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4814         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4815         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4816         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4817         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4818         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4819         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4820         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4821         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4822         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4823         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4824         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4825         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4826         * testsuite/gcc.dg/graphite/block-0.c: Same.
4827         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4828         * testsuite/gcc.dg/graphite/block-1.c: Same.
4829         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4830         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4831         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4832         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4833         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4834
4835 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4836
4837         * graphite.c: Fix some XXX comments.
4838         (build_scop_dynamic_schedules): Removed.
4839
4840 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4841
4842         * graphite.h (scop_max_loop_depth): Moved...
4843         * graphite.c (scop_max_loop_depth): ...here.
4844         (remove_all_edges_1): New.
4845         (remove_all_edges): Factored code.
4846         (remove_cond_exprs): Check only the last statement for
4847         a GIMPLE_COND expression.
4848
4849 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4850
4851         * graphite.c (scan_tree_for_params): Early return when the
4852         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4853         (find_scop_parameters): Factor out code.
4854         (graphite_trans_bb_strip_mine): Remove dead code.
4855
4856 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4857
4858         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4859         graphite_trans_bb_move_loop): Factor asserts.
4860         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4861         Do not call calculate_dominance_info and estimate_bb_frequencies.
4862
4863 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4864
4865         * graphite.c (create_loops_mapping, free_loops_mapping,
4866         create_loops_mapping_num, debug_loop_mapping_1,
4867         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4868         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4869         graphite_loops_mapping_add_child_num,
4870         graphite_loops_mapping_insert_child,
4871         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4872         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4873         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4874         create_num_from_index, get_num_from_index,
4875         swap_loop_mapped_depth): Removed.
4876         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4877         (free_scop): Do not call free_loops_mapping.
4878         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4879         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4880         get_loop_mapped_depth.
4881         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4882         (graphite_trans_bb_strip_mine): Same.
4883         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4884         (struct scop): Remove field loops_mapping.
4885
4886 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4887             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4888
4889         * graphite.c (scop_record_loop): Factor out one level of the
4890         condition by early return.
4891         (build_scop_loop_nests): Format following FSF coding style.
4892         (build_scop_dynamic_schedules): Factor out code.
4893         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4894
4895 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4896             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4897
4898         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4899         assignments that are not handled as simple operands for now.
4900
4901 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4902             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4903
4904         * graphite.c (build_scop_bbs): Factor up code.
4905
4906 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4907             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4908
4909         * graphite.c (stmt_simple_for_scop_p): Factor code out
4910         of the loop.
4911         (enum gbb_type): New.  Group all the GBB_* types under it.
4912         (is_loop_exit): Moved...
4913         (end_scop): Enable BB spliting.
4914         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4915         * cfgloop.h (is_loop_exit): Declared.
4916
4917 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4918
4919         * doc/invoke.texi: Remove strides from examples containing
4920         DO loops when the strides are equal to 1.
4921
4922 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4923             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4924
4925         * graphite.c (graphite_trans_scop_block): Or the result with
4926         the result from graphite_trans_loop_block.
4927         * testsuite/gcc.dg/graphite/block-1.c: New.
4928         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4929         * testsuite/gfortran.dg/graphite/block-2.f: New.
4930
4931 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4932
4933         * graphite.c (graphite_transform_loops): Call cloog_initialize
4934         and cloog_finalize.
4935
4936 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4937
4938         * tree-data-ref.c) (stmt_simple_memref_p): New.
4939         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4940         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4941         (is_simple_operand): Call stmt_simple_memref_p.
4942
4943         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4944         using pointer arithmetic, as this is optimized by PRE and
4945         makes the code too difficult to analyze.
4946
4947         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4948
4949 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * gdbinit.in (pgg): New.
4952
4953 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4954
4955         * graphite.c (graphite_trans_loop_block): Fix warning.
4956
4957 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4960
4961 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4962
4963         * graphite.c (graphite_trans_bb_block): Remove check for
4964         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4965         Check if loop blocking is profitable for every loop, before applying
4966         the changes.
4967         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4968         if flag_loop_block is set.
4969
4970 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4971
4972         * graphite.c: Add some more documentation for the loop
4973         mapping.
4974
4975 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4976
4977         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4978         * graphite.c: Format on less than 80 columns.
4979         * graphite.h: Same.
4980
4981 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4982
4983         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4984
4985 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4986
4987         * doc/invoke.texi (floop-block, floop-strip-mine,
4988         floop-interchange): Update documentation with examples.
4989
4990 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4991
4992         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4993         add_referenced_var.
4994         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4995
4996 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4997
4998         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4999         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5000         * tree-scalar-evolution.c: Revert useless changes.
5001         * tree-phinodes.c: Same.
5002         * cfghooks.c: Same.
5003         * vec.h: Same.
5004         * tree-vectorizer.h: Same.
5005         * tree-flow.h: Same.
5006         * tree-cfg.c: Same.
5007         * common.opt (fgraphite): Update documentation.
5008
5009 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5010
5011         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5012         -floop-interchange): Add more text for explaining what each of these
5013         flags is doing.
5014         * tree-into-ssa.c (gimple_vec): Moved to...
5015         * graphite.c: Include gimple.h.
5016         (gimple_vec): Moved to...
5017         (del_loop_to_cloog_loop): Removed.
5018         (loop_affine_expr): Do not call create_data_ref when the
5019         operand is a constant.
5020         (new_scop): Use free instead of del_loop_to_cloog_loop.
5021         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5022         * gimple.h (gimple_vec): ... here.
5023
5024 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5025
5026         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5027         latch executions.
5028         (build_loop_iteration_domains): Fail, if latch executions unknown.
5029
5030 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5031
5032         * graphite.c (add_conditions_to_domain): New.
5033         (build_scop_conditions_1): Call add_conditions_to_domain.
5034         (set_cloog_options): Allow to disable optimizations.
5035
5036 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5037
5038         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5039         Do not use walk_dominator_tree.
5040         (find_scop_parameters): Do not use walk_dominator_tree.
5041
5042 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5043
5044         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5045         (idx_record_params): Adapt.
5046         * graphite.h (scop_gimple_loop_depth): New.
5047
5048 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5049
5050         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5051         (scan_tree_for_params): Remove value_init.
5052         (build_scop_context): Remove value_init.
5053         (build_loop_iteration_domains): Remove value_init.
5054         (schedule_to_scattering): Remove value_init.
5055         (graphite_trans_bb_strip_mine): Remove value_init.
5056
5057 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5058
5059         * gcc/graphite.c (limit_scops): New.
5060         (graphite_transform_loops): Add limit SCoPs.
5061         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5062         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5063         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5064         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5065         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5066         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5067         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5068         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5069         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5070         Change loop numbers.
5071         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5072         Change loop numbers.
5073         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5074         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5075         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5076         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5077         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5078         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5079         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5080         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5081         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5082         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5083
5084 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5085
5086         * graphite.c (graphite_transform_loops): Call always find_transform.
5087
5088 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5089
5090         * graphite.c (free_loops_mapping): New.
5091         (stmt_simple_for_scop_p): Fix typo.
5092         (stmt_simple_for_scop_p): Fix tuples functions, that
5093         broke polyhedron.
5094         (free_graphite_bb): Fix some memleaks.
5095         (free_scop): Fix some memleaks.
5096         (scopdet_bb_info): Do not forget some tmp SCoPs.
5097         (find_params_in_bb): Fix some memleaks.
5098         (clast_to_gcc_expression): Fix warning.
5099
5100 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5101
5102         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
5103         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
5104
5105 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5106
5107         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5108         Move code ifdef-ed HAVE_cloog...
5109         * graphite.c: Include toplev.h.
5110         ... here.
5111         * Makefile.in (OBJS-common): Always build graphite.o.
5112         (BACKEND): Remove @GRAPHITE@.
5113         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5114         (graphite.o): Depend on TOPLEV_H.
5115
5116 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5117
5118         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5119         Remove typo left from polylib to ppl conversion.
5120         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5121
5122 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5123
5124         * toplev.c (process_options): Move the graphite loop optimization
5125         flags...
5126         * tree-ssa-loop.c (graphite_transforms): ... here.
5127         When not configured with CLooG, print to dump_file that
5128         Graphite transforms were not performed.
5129         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5130         New.
5131         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
5132         scan-graphite-dump-times.
5133
5134 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5135
5136         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5137         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5138
5139 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5140             Jan Sjodin  <jan.sjodin@amd.com>
5141
5142         * configure: Regenerated.
5143         * omp-low.c (expand_omp_sections): Remove now unused code.
5144         * config.in (HAVE_polylib): Removed.
5145         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5146         (PPLLIBS, PPLINC): Added.
5147         * graphite.c: Replace unsigned with int wherever possible.
5148         Don't access Cloog's data structures, but use accessor functions.
5149         Clast's stmt->type is now implemented as a vtable: change the
5150         switches of stmt->type into ifs.
5151         (polylib/polylibgmp.h): Don't include.
5152         (initialize_dependence_polyhedron,
5153         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5154         statement_precedes_p, test_dependence, build_rdg_all_levels,
5155         dump_dependence_graph): Removed until this code is cleaned up
5156         or ported to Cloog.
5157         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5158         (POLYLIBINC): Renamed PPLINC.
5159
5160 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5161             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5162             Jan Sjodin  <jan.sjodin@amd.com>
5163
5164         Finish the merge and tuplification of graphite.
5165
5166 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5167             Jan Sjodin  <jan.sjodin@amd.com>
5168
5169         Partial merge from mainline (138072:138275).
5170         * graphite.c still has to be tuplified.
5171
5172 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5173
5174         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5175         (create_num_from_index): New.
5176         (get_num_from_index): Also pass in the graphite BB.
5177         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5178         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5179         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5180         (is_interchange_valid): Return false when failing.
5181         * graphite.h (struct num_map): New.
5182         (struct graphite_bb): New field num_map.
5183         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5184
5185 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5186
5187         * graphite.c (dump_gbb_conditions): Print also conditions like
5188         "if (a)".  Remove dublicated code and use print_generic_expr ().
5189         (stmt_simple_for_scop_p): Only allow conditions we can handle
5190         {<, <=, >, >=}.
5191
5192 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5193
5194         * graphite.h (struct scop): Removed new_ivs field.
5195         (SCOP_NEWIVS): Deleted.
5196         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5197         clast_to_gcc_expression, graphite_create_new_loop):
5198         Removed use of new_ivs.
5199
5200 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5201
5202         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5203         create_loops_mapping_num, debug_loop_mapping_1): New.
5204         (debug_loop_mapping): Call debug_loop_mapping_1.
5205         (get_loop_mapping_for_num,
5206         graphite_loops_mapping_add_child,
5207         graphite_loops_mapping_add_child_num,
5208         graphite_loops_mapping_insert_child,
5209         graphite_loops_mapping_parent,
5210         split_loop_mapped_depth_for_num,
5211         loop_mapped_depth_split_loop): New.
5212         (increment_loop_mapped_depths): Removed.
5213         (swap_loop_mapped_depth_for_num): Reimplemented.
5214         (new_scop): Call create_loops_mapping.
5215         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5216         (translate_clast): Pass the old loop father in parameter, and pass
5217         it to get_old_iv_from_ssa_name.
5218         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5219         can_generate_code, can_generate_for_scop): New.
5220         (graphite_trans_bb_block): Returns false when it fails to transform.
5221         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5222
5223 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5224
5225         Reverted all the changes related to the streamization and
5226         loop fusion.
5227         These changes are now tracked in the streamization branch.
5228
5229 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5230             Jan Sjodin  <jan.sjodin@amd.com>
5231
5232         * graphite.c (gbb_compare): Correctly constify.
5233         (gbb_can_be_ignored): Indent.
5234         (graphite_trans_scop_swap_1and2): Add legality check.
5235         Remove dead FIXMEs.
5236
5237 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5238
5239         Remove fallouts from "Reverted the Condate changes".
5240         * tree.h: Remove unused decl.
5241         * testsuite/gcc.dg/tree-checker: Same.
5242         * timevar.def: Remove counter.
5243
5244 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5245
5246         * Merge from mainline (135673:138072).
5247
5248         Reverted the MIRO changes (from 2008-04-05) that are now
5249         tracked in the miro branch.
5250         * tree-bounds.c: Removed.
5251         * tree-bounds.h: Removed.
5252
5253         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5254         are now tracked in the condate branch.
5255         * tree-check.c: Removed.
5256         * tree-match.c: Removed.
5257         * condate.y: Removed.
5258
5259 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5260
5261         * common.opt: New user flag -floop-block, -floop-strip-mine
5262         and -floop-interchange.
5263         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5264         graphite loop optimization flags is turned on.
5265         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5266         flag_loop_strip_mine and flag_loop_interchange checks before
5267         optimizations.
5268         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5269         -floop-strip-mine and -floop-interchange.
5270         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5271         -fgraphite.
5272         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5273         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5274         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5275
5276 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5277             Sebastian Pop  <sebastian.pop@amd.com>
5278
5279         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5280         (create_empty_loop_on_edge): More fixes.
5281         * tree-phinodes.c (resize_phi_node): Extern.
5282         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5283         * cfghooks.c (update_dominator_information): New split from
5284         split_edge.
5285         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5286         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5287         successor of the function entry block.
5288
5289         * graphite.c: Include pointer-set.h.
5290         (debug_loop_mapping, increment_loop_mapped_depths,
5291         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5292         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5293         swap_loop_mapped_depth_for_num, get_num_from_index,
5294         swap_loop_mapped_depth, loop_iv_stack_debug,
5295         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5296         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5297         get_old_iv_from_ssa_name): New.
5298         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5299         (free_scop): Free SCOP_LOOPS_MAPPING.
5300         (scop_record_loop): Record old ivs.
5301         (create_var_name): Removed.
5302         (initialize_cloog_names): Allocate double space in case strip mine
5303         applies to all loops once.
5304         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5305         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5306         translation.
5307         (graphite_create_new_loop): Pass in ivstack.
5308         (remove_all_edges): Pass in the construction_edge.
5309         (graphite_remove_iv): Removed.
5310         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5311         remove_cond_exprs): Rewritten.
5312         (move_phi_nodes): New.
5313         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5314         (translate_clast): Pass in ivstack.  Rewrite some cases.
5315         (set_cloog_options, debug_clast_stmt): New.
5316         (find_transform): Use set_cloog_options.
5317         (outermost_loop_layer): Removed.
5318         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5319         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5320         mark_old_loops, remove_dead_loops): New.
5321         (gloog): Rewritten.
5322         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5323         (const_column_index, get_first_matching_sign_row_index,
5324         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5325         get_upper_bound): New.
5326         (graphite_trans_bb_strip_mine): Also update the iv map.
5327
5328         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5329         (struct name_tree): Add a loop field.
5330         (struct scop): Add a graphite_loops_mapping field.
5331         (SCOP_LOOPS_MAPPING): New.
5332         (debug_clast_stmt): Declare.
5333         * lambda.h (find_induction_var_from_exit_cond): Declare.
5334         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5335         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5336         (create_empty_loop_on_edge): Updated.
5337         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5338         rename_variables_in_bb): Declare.
5339         * tree-cfg.c (remove_bb): Extern.
5340
5341         * testsuite/gcc.dg/graphite/block-0.c: New.
5342
5343 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5344             Sebastian Pop  <sebastian.pop@amd.com>
5345
5346         * graphite.c (strip_mine_profitable_p): New.
5347         (graphite_trans_bb_block): Disable strip mining if not profitable.
5348
5349         * testsuite/gcc.dg/graphite/scop-18.c: New.
5350         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5351         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5352
5353 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5354             Jan Sjodin  <jan.sjodin@amd.com>
5355             Sebastian Pop  <sebastian.pop@amd.com>
5356
5357         * graphite.c (is_interchange_valid): New.
5358         (graphite_trans_bb_block): Check loop nest of basic block for legality
5359         of interchange.
5360
5361         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5362         outer_most_loop, gbb_outer_most_loop_index): New.
5363
5364         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5365         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5366         * testsuite/gcc.dg/graphite/scop-16.c: New.
5367         * testsuite/gcc.dg/graphite/scop-17.c: New.
5368
5369 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5370
5371         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5372         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5373
5374 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5375
5376         * graphite.c (new_scop): Initialize SCOP_EXIT.
5377         (scopdet_info): Add.
5378         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5379         (build_scops_1): Cleanup, bugfixes.
5380         (build_scops): Cleanup.
5381
5382         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5383         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5384
5385 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5386
5387         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5388
5389         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5390         DEFAULT_GRAPHITE_FLAGS.
5391
5392         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5393
5394 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5395
5396         * graphite.c (scan_tree_for_params): Do not assert any more if
5397         MULT_EXPR parameter is negative.
5398
5399         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5400
5401         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5402
5403         * testsuite/gcc.dg/graphite/scop-15.c: New.
5404
5405 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5406
5407         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5408
5409 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5410
5411         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5412         graphite_swap_loops.
5413         (graphite_trans_bb_move_loop): New.
5414         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5415         (graphite_trans_bb_block): New.
5416         (graphite_trans_loop_block): New.
5417         (graphite_trans_scop_swap_1and2): Rename from
5418         graphite_trans_swap_1and2.
5419         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5420         (graphite_trans_scop_block): New.
5421         (graphite_apply_transformations): Rename from
5422         graphite_transformations.
5423
5424         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5425
5426 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5427
5428         * graphite.c (gbb_compare): New.
5429         (graphite_sort_gbbs): New.
5430         (gbb_can_be_ignored): New.
5431         (scop_remove_ignoreable_gbbs): New.
5432         (graphite_transformations): Cleanup and add
5433         scop_remove_ignoreable_gbbs.
5434         * lambda.h (lambda_vector_compare): New.
5435
5436 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5437
5438         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5439         (graphite_swap_loops): int -> unsigned
5440         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5441         (graphite_transformations): New.
5442         (graphite_transform_loops): Move to graphite_transformations.
5443         * graphite.h (gbb_nb_loops): Return unsigned.
5444
5445 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5446
5447         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5448         the domain matrix.  This makes scop-0.c work again.
5449
5450 2008-06-20  Richard Guenther  <rguenther@suse.de>
5451
5452         * graphite.h: Adjust copyright to GPLv3.
5453         * graphite.c: Likewise.
5454         (stmt_simple_memref_for_scop_p): Split out from ...
5455         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5456         and simplify.
5457         (get_bb_type): Optimize.
5458         (is_pred): Remove.
5459         (is_bb_addable): Fix memleak, replace is_pred call with
5460         single_pred.
5461         (build_scops): Use current_loops.
5462         (param_index): Fix memleak.
5463
5464 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5465
5466         * graphite.c: Fix formatting.
5467
5468 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5469
5470         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5471         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5472         (create_var_name, save_var_name): Newly defined functions.
5473         (initialize_cloog_names): Part of the code factored out to
5474         save_var_name.
5475         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5476         in clast_reduction statement.
5477         (graphite_create_new_loop): Now takes a new parameter
5478         for outer_loop.
5479         (translate_clast): Now also takes the context_loop and bb_exit
5480         parameters. Rewritten the code so that it creates a gimple code
5481         inside the given context.
5482         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5483         remove_cond_expr, disconnect_cond_expr,
5484         disconnect_virtual_phi_nodes): Newly defined functions.
5485         * graphite.h (struct scop): added old_ivs vector.
5486         SCOP_OLDIVS: New macro.
5487
5488 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5489
5490         * cfgloopmanip.c: Add missing function comments, fix formatting.
5491
5492 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5493
5494         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5495         (create_empty_loop_on_edge): Defined.
5496         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5497         instead of void.
5498         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5499         (update_dominators_in_loop): Declared as extern
5500         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5501
5502 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5503
5504         * graphite.c (print_graphite_bb): Allow changing number of loops
5505         in SCoP domain.
5506         (initialize_cloog_names): Allow changing number of loops.
5507         (build_cloog_prog): Simplify.
5508         (find_transform): Enable cloog option --strides.
5509         (graphite_swap_loops): New.
5510         (graphite_strip_mine_loop): New.
5511         (graphite_trans_swap_1and2): New.
5512         (graphite_trans_strip): New.
5513         (graphite_transform_loops): Add graphite_trans_strip.
5514         * graphite.h (scop_max_loop_depth): New.
5515
5516 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5517
5518         * graphite.c (build_scop_iteration_domain): Remove forgotten
5519         line. (Fixes compile)
5520
5521 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5522
5523         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5524         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5525         (build_bb_loops): New.
5526         (graphite_transform_loops): Add build_bb_loops.
5527         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5528         numbers.
5529         * graphite.h (graphite_bb): Add loops.
5530         (gbb_nb_loops): New.
5531         (gbb_loop_at_index): New.
5532         (gbb_loop_index): New.
5533         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5534         using nb_params_in_scop.
5535
5536 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5537
5538         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5539         (build_scop_canonical_schedules): Build minimized schedule.
5540         (schedule_to_scattering): Adapt to minimized schedule.
5541         * graphite.h (graphite_bb): Add/Update descriptions.
5542
5543 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5544             Tobias Grosser  <grosser@fim.uni-passau.de>
5545
5546         * graphite.c (print_graphite_bb): Add condition printing.
5547         (dump_value): New.
5548         (dump_gbb_conditions): New.
5549         (build_scop_conditions_1): New.
5550         (build_scop_conditions): New.
5551         * graphite.h (graphite_bb): Add conditions.
5552
5553 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5554
5555         * graphite.c (print_graphite_bb):
5556         (free_graphite_bb): New.
5557         (free_scop): Free bbs.
5558         (get_bb_type): Free doms.
5559         (build_scop_context): Free context matrix.
5560         (build_loop_iteration_domains): Remove unused code.
5561         (build_cloog_prog): Free scattering function and blocklist.
5562         (find_transform): Free options.
5563
5564 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5565
5566         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5567         Remove unnecessery cloog data structures. Make a copy of the domain
5568         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5569         unnecessary cloog data structures. Fix memory leaks. Remove insert
5570         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5571         used.
5572         (build_scop_iteration_domain): Remove unnecessary cloog
5573         data structures.  Fix memory leaks.
5574         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5575         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5576
5577 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5578
5579         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5580
5581 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5582
5583         * graphite.c (end_scop): Style fix.
5584         (schedule_to_scattering): Style and comment fix.
5585
5586 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5587         * graphite.c (print_graphite_bb): Fix definiton of
5588         schedule_to_scattering.
5589         (initialize_cloog_names): Change nb_scattdims to max loop
5590         depth in SCoP.
5591         (schedule_to_scattering): Take parameter for number of scattering
5592         dimensions.
5593         (build_cloog_prog): Only build as much scattering dimensions as
5594         necessary.
5595
5596 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5597
5598         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5599         in polyhedron/aermod.f90.
5600
5601 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5602             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5603             Harsha Jagasia  <harsha.jagasia@amd.com>
5604
5605         * graphite.c (is_bb_addable): Fix segfault.
5606
5607 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5608
5609         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5610         with multiple exits and conditional handling in edge cases.
5611         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5612
5613         * testsuite/gcc.dg/graphite/scop-14.c: New.
5614
5615 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5616             Adrien Eliche  <aeliche@isty.uvsq.fr>
5617
5618         * graphite.c (is_bb_addable): Add more comments and enhance
5619         readablity of the source code. Fix memory leak.
5620         (is_loop_exit): Fix memory leak.
5621
5622 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5623
5624         * graphite.c (first_loop_in_scop): Deleted.
5625         (setup_cloog_loop): Only walk the loop chain for inner loops.
5626         (build_scop_iteration_domain): Execute setup_cloog_loop for
5627         all loops in the first layer.
5628
5629 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5630
5631         * graphite.c (scan_tree_for_params): Change the way params are
5632         added to be indepenent of the number of loops.
5633         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5634         handling.
5635         (build_cloog_prog): Revert to short matrix format.
5636
5637 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5638             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5639
5640         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5641         warning.
5642
5643 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c (nb_data_refs_in_scop): New.
5646         (graphite_transform_loops): Print more stats: number of
5647         loops, basic blocks and data references per scop.
5648
5649 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5650             Jan Sjodin  <jan.sjodin@amd.com>
5651
5652         * graphite.c (loop_affine_expr, idx_record_params,
5653         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5654         instead of instantiate_parameters.
5655
5656 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5657
5658         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5659         add support for parameters, add STATIC_SCHEDULE at the right places,
5660         cleanup.
5661
5662 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5663
5664         * graphite.c (build_scop_loop_nests): Only add the loops, that
5665         are contained completely in the SCoP.
5666         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5667         and the domains are fixed.
5668         (build_scop_canonical_schedules): Add support for bbs not contained
5669         in any SCoP.
5670
5671 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5672
5673         * graphite.h (scop_contains_loop): Update comments to match
5674         the actual behavior.
5675         (scop_contains_loop): New.
5676         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5677
5678 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5679
5680         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5681         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5682         as GBB_COND_HEADER.
5683
5684 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5685             Tobias Grosser  <grosser@fim.uni-passau.de>
5686
5687         * graphite.c (graphite_transform_loops): Early return when
5688         there are no loops in the function.
5689
5690 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5691             Jan Sjodin  <jan.sjodin@amd.com>
5692
5693         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5694         offset of the last loop.
5695         (setup_cloog_loop): Copy the entire outer constraint matrix.
5696
5697 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5698             Jan Sjodin  <jan.sjodin@amd.com>
5699
5700         * graphite.c (stmt_in_scop_p, function_parameter_p,
5701         invariant_in_scop_p): Removed.
5702         (scan_tree_for_params): Can be used with no constraint
5703         matrix for gathering parameters.
5704         (idx_record_params): Don't use idx_record_param, instead use
5705         scan_tree_for_params.
5706         (find_scop_parameters): Same.
5707         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5708         Fix the size of loop domains.
5709         (schedule_to_scattering): Exit when the outer loop is not in scop.
5710         (find_transform): Enable build_cloog_prog.
5711
5712 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5713             Jan Sjodin  <jan.sjodin@amd.com>
5714
5715         * graphite.c (schedule_to_scattering): Make scattering domains
5716         uniformly of the same size, as required by CLooG 0.14.0 and before.
5717
5718 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5719             Jan Sjodin  <jan.sjodin@amd.com>
5720
5721         * graphite.c (schedule_to_scattering): Rewrite, correct the
5722         translation of the scheduling function to scattering.
5723         (build_cloog_prog): Call schedule_to_scattering only once.
5724         * graphite.h (scop_loop_index): Do not fail for loops not
5725         in the scop: return -1.
5726
5727 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5728
5729         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5730         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5731         (setup_cloog_loop): Export GBB_DOMAIN.
5732         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5733         able to rebuild the original control flow.
5734         * graphite.h (graphite_bb): Add domain field and access macro.
5735         (GBB_DOMAIN): New.
5736
5737 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5738
5739         * graphite.c (debug_gbb): New.
5740         (print_scop, build_graphite_bb): Use SCOP_BBS.
5741         (build_scop_bbs): Reimplemented.
5742         (dfs_bb_in_scop_p): Removed.
5743         (build_scop_loop_nests): Reorder loops inserted in
5744         SCOP_LOOP_NEST: outer loops should come first.
5745         (build_scop_canonical_schedules): Reinitialize at zero
5746         the components of the SCOP_STATIC_SCHEDULE for the loops
5747         that have already been parsed.
5748
5749         * graphite.h (debug_gbb): Declared.
5750
5751 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5752             Jan Sjodin  <jan.sjodin@amd.com>
5753
5754         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5755         (graphite_loop_to_gcc_loop): Removed.
5756         (remove_all_edges): New.
5757         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5758         (gloog): Remove useless code.
5759
5760 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5761
5762         * graphite.c (get_bb_type): Reworked. We distinguish between
5763         loops with one or multiple exits.
5764         (is_loop_exit): New.
5765         (is_pred): New.
5766         (is_bb_addable): Rework condition handling, now support for case
5767         case statements and loops with multiple exits.
5768
5769         * testsuite/gcc.dg/graphite/scop-11.c: New.
5770         * testsuite/gcc.dg/graphite/scop-12.c: New.
5771         * testsuite/gcc.dg/graphite/scop-13.c: New.
5772
5773 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5774
5775         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5776         we have too many colors.
5777
5778 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5779
5780         * doc/invoke.texi (-ftree-loop-fusion): Document.
5781         * tree-pass.h (pass_loop_fusion): Declared.
5782         * tree-loop-fusion.c: New.
5783         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5784         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5785         * tree-data-ref.h (find_data_references_in_loop): Declared.
5786         * common.opt (ftree-loop-fusion): Declared.
5787         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5788
5789 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5790
5791         * graphite.c (build_access_matrix): Fix typo from the merge.
5792
5793 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5794
5795         * Merge from mainline (130800:135673).
5796
5797 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5798
5799         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5800         Update dominators after splitting.
5801
5802 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5803
5804         * graphite.c (is_bb_addable): Return the harmful statement.
5805         Factor up some code.
5806         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5807         (build_scops_1): Call end_scop.
5808
5809 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5810
5811         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5812         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5813         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5814         build_scops_1): Removed.
5815         (build_scops_2): Renamed build_scops_1.
5816
5817 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5818
5819         * graphite.c: Fix formatting.
5820
5821 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5822
5823         * graphite.c (get_bb_type): New.
5824         (move_scops): New.
5825         (build_scops_2): New.
5826         (is_bb_addable): New.
5827         (build_scops): Switch the scop detection.
5828         (build_scop_bbs): Add entry bb to scop.
5829         * graphite.h (struct scop): Update comment.
5830
5831 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5832
5833         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5834         more colors.
5835
5836 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5837
5838         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5839         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5840         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5841         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5842         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5843
5844 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5845
5846         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5847         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5848         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5849         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5850         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5851
5852 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5853
5854         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5855         Check affine expressions depending on the outermost loop
5856         instead of a scop.
5857         (stmt_simple_for_scop_p): Same.
5858         (harmfule_stmt_in_scop): Same.
5859
5860 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5861
5862         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5863         mark entry and exit, that are not part of the SCoP and update HTML
5864         formatting.
5865
5866 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5867
5868         * graphite.c (basic_block_simple_for_scop_p): Renamed
5869         harmful_stmt_in_bb.
5870         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5871         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5872         (all_preds_visited_p, all_succs_visited_p,
5873         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5874         scop_end_loop): New.
5875         (build_scops): Do not use dfs_enumerate_from.
5876
5877         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5878
5879 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5880
5881         * graphite.c: Add comments to functions that are missing a
5882         description.
5883         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5884
5885 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5886
5887         * graphite.c (nb_params_in_scop): Moved...
5888         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5889         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5890         (clast_to_gcc_expression): Reduce column size to less than 80.
5891         (graphite_create_iv): Return the new name of the IV.
5892         (find_transform): Set options->esp and options->cpp.
5893         (gloog): Comment out the invalidation of the old loop code.
5894         (initialize_dependence_polyhedron): Replace scop_nb_params with
5895         nb_params_in_scop.
5896
5897         * graphite.h (nb_params_in_scop): ... here.
5898         (scop_nb_params): Removed.
5899         (loop_domain_dim): Return something even when the loop was not
5900         found in the hash table: avoid ICEing on all the graphite.exp
5901         testcases.
5902
5903 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5904
5905         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5906
5907         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5908         according to nesting level.
5909         (find_scop_parameters): Call instantiate_parameters.
5910         (scan_tree_for_params): Extend it to handle general affine bounds.
5911         Inner loop bound can depend on outer loop induction variable.
5912         (setup_cloog_loop): tmp variable is allocated on stack. Call
5913         instantiate_parameters with respect to outermost_loop_in_scop.
5914         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5915         graphite.h.
5916         (create_empty_loop): Function loopify should be given edge
5917         probability, instead of edge frequency. Dominance relation from
5918         switch_bb to loop_header.
5919         (clast_to_gcc_expression): Added handling of clast_reduction node.
5920         (gloog): New functionality for removing old loop.
5921         (test_dependence): Factored out from build_rdg_all_levels.
5922         (build_rdg_all_levels): Dependence testing factored out to
5923         test_dependence function.
5924
5925         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5926         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5927         from graphite.c
5928
5929 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5930
5931         * graphite.c (free_scop, param_index, initialize_cloog_names,
5932         nb_params_in_scop): Use name_tree map instead of just a tree
5933         for keeping track of the variable name associated to that tree.
5934         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5935         clast_to_gcc_expression, graphite_create_iv,
5936         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5937         graphite_stmt_to_gcc_stmt): New.
5938         (gloog): Call these.
5939         * graphite.h (struct name_tree): New.
5940         (struct scop): Use name_tree instead of tree for params.
5941         Store a vector of name_tree for new_ivs.
5942         (SCOP_NEWIVS): New.
5943         (scop_nb_params): Use name_tree instead of tree.
5944
5945 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5946             Sebastian Pop  <sebastian.pop@amd.com>
5947
5948         * tree-bounds.c: New.
5949         * tree-bounds.h: New.
5950         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5951         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5952         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5953         flag_mudflap.
5954         * gcc.c: Same.
5955         * toplev.c: Same.
5956         * c-cppbuiltin.c: Same.
5957         * c-pragma.c: Same.
5958         * common.opt: Same.
5959         * varasm.c: Same.
5960         * tree-outof-ssa.c: Same.
5961         * c-common.c: Same.
5962         * Makefile.in: Same.
5963
5964 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5965             Sebastian Pop  <sebastian.pop@amd.com>
5966
5967         * tree-loop-distribution.c (remaining_stmts,
5968         upstream_mem_writes): Removed static variables.
5969         (copy_loop_before, create_bb_after_loop,
5970         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5971         rdg_build_components, rdg_build_partitions,
5972         dump_rdg_partitions): Extern.
5973         (generate_loops_for_partition, generate_code_for_partition): Do not
5974         return a bool.
5975         (already_processed_vertex_p, predecessor_has_mem_write,
5976         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5977         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5978         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5979         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5980         Pass remaining_stmts and upstream_mem_writes as parameters.
5981         (rdg_component): Moved...
5982         (build_rdg_partition_for_component): Do not aggregate components when
5983         flag_streamize_loops is set.
5984         (gen_sequential_loops): New.
5985         (ldist_gen): Call gen_sequential_loops.
5986
5987         * tree-pass.h (pass_loop_streamization): Declared.
5988
5989         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5990         basic blocks when loops structures exist.
5991
5992         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5993
5994         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5995
5996         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5997         eliminate_local_variables_stmt, eliminate_local_variables,
5998         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5999         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6000         of code delimited by two edges in the CFG.
6001         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6002         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6003         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6004         the case of parallelisation of reductions.
6005         (create_loop_fn): Extern.
6006         (create_omp_parallel_region): New.
6007
6008         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6009         dump_data_reference for printing dra and drb.
6010         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6011         RDGE_RELATION.
6012         (build_rdg): Don't call free_dependence_relations for the moment, as
6013         we attach dependence relations on each edge of the RDG.
6014         To be fixed later.
6015
6016         * tree-data-ref.h (rdg_component): ...here.
6017         (struct rdg_edge): New field ddr_p relation.
6018         (RDGE_RELATION): New.
6019         (create_bb_after_loop, copy_loop_before,
6020         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6021         rdg_build_partitions, dump_rdg_partitions,
6022         free_rdg_components): Declared.
6023
6024         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6025         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6026
6027         * tree-loop-streamization.c: New.
6028
6029         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6030         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6031
6032         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6033
6034         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6035
6036         * passes.c: Schedule pass_loop_streamization.
6037
6038 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6039
6040         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6041         update comment.
6042
6043 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6044
6045         * graphite.c (dot_all_scops): Update formatting.
6046         Bbs can now be part of more than one SCoP.
6047
6048 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6049
6050         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6051         malloc problems.
6052         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6053         * graphite.h (loop_to_cloog_loop): New.
6054
6055 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6056
6057         * graphite.c (loop_domain_dim, ref_nb_loops,
6058         loop_iteration_vector_dim): New.
6059         (build_access_matrix_with_af, build_access_matrix,
6060         initialize_dependence_polyhedron): Fixed for new matrix layout.
6061         No longer assume that all iteration domains are of the same
6062         dimensionality.
6063
6064 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6065
6066         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6067         defined in a loop at depth 0 is invariant.
6068         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6069         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6070         be called at loop depth 0.
6071
6072         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6073         a parameter.
6074         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6075         (down_open_scop): Removed.
6076         (loop_in_scop_p): Redefined.
6077         (scop_affine_expr): New argument: scop.
6078         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6079         a harmful statement ending a scop.
6080         (basic_block_simple_for_scop_p): New argument: scop.
6081         (get_loop_start): Removed.
6082         (new_scop): Initialize SCOP_LOOPS.
6083         (free_scop): Free SCOP_LOOPS.
6084         (succs_at_same_depth, preds_at_same_depth): New.
6085         (end_scop): Test the validity of a scop.
6086         (add_dominators_to_open_scops): New.
6087         (test_for_scop_bound): Call add_dominators_to_open_scops.
6088         Add cases for opening and closing multiple scops.
6089         (build_scops, build_scop_bbs): Iterate over basic blocks in
6090         depth first order.
6091         (build_graphite_bb): Pass scop directly.
6092         (dfs_bb_in_scop_p): New.
6093         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6094         several times.
6095         (nb_loops_around_gb): Use loop_in_scop_p.
6096         (schedule_to_scattering): Disabled for the moment the code computing
6097         the "textual order for outer loop".
6098
6099         * graphite.h (struct scop): New field loops.
6100         (SCOP_LOOPS): New.
6101         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6102
6103         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6104
6105 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6106             Sebastian Pop  <sebastian.pop@amd.com>
6107
6108         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6109         * common.opt (fstreamize-loops): New.
6110         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6111         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6112         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6113         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6114
6115 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6116
6117         * tree-data-ref.c (build_empty_rdg): New.
6118         (build_rdg): Use it.
6119         * tree-data-ref.h (build_empty_rdg): Declared.
6120         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6121         (find_vertex_for_stmt): Removed.
6122         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6123
6124 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6125
6126         * tree-loop-distribution.c (generate_builtin): After cancelling the
6127         loop tree, also delete basic blocks.
6128         (rdg_flag_uses): Stop recursion when a vertex has already been
6129         processed.
6130
6131 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6132
6133         * graphite.c (build_scop_alpha): Removed.
6134         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6135         and dump_dependence_graph to avoid compiler warnings.
6136
6137 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6138
6139         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6140         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6141         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6142         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6143         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6144         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6145         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6146         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6147         dump_dependence_graph): New.
6148         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6149         (GBB_ALPHA): New.
6150         (struct scop): New field loop2cloog_loop.
6151         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6152         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6153
6154 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6155
6156         * graphite.c (build_graphite_bb): Fix initialization
6157         of the graphite basic block.
6158
6159 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6160
6161         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6162         loop domain matrix.  Pass in the number of loops contained in the
6163         constraint matrix.
6164         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6165         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6166         loops that are not surrounding the current loop are not represented
6167         in the domain constraint matrix.
6168         (build_scop_iteration_domain): Initial domain constraint matrix
6169         contains only the eq/ineq, cst, and scop parameters columns.
6170
6171 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6172
6173         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6174         (print_graphite_bb): Print scattering.
6175
6176 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6177
6178         * graphite.c (initialize_cloog_names): Initialize names of
6179         scattering variables.
6180
6181 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6182
6183         * graphite.c (dot_all_scops_1): Disable debug output while
6184         printing graph.
6185
6186 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6187
6188         * graphite.c (find_transform): Change cloog output language to C.
6189
6190 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6191
6192         * tree-loop-distribution.c (generate_memset_zero,
6193         generate_builtin, generate_code_for_partition,
6194         rdg_flag_all_uses): New.
6195         (rdg_flag_uses): Gather in the same partition the statements defining
6196         the VUSES of the current statement.
6197         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6198         Gather in the same partition not only the stores to the same memory
6199         access, but also the reads.
6200         (ldist_generate_loops): Renamed ldist_gen.
6201
6202 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6203             Tobias Grosser  <grosser@fmi.uni-passau.de>
6204
6205         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6206         next pointer, don't use the inner pointer.
6207
6208 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6209
6210         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6211         (find_transform): Call dot_all_1.
6212         * graphite.h (dot_all_scops): Declared.
6213
6214 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6215
6216         * tree-loop-distribution.c: Fix apsi.f ICE.
6217         (create_bb_after_loop): New.
6218         (generate_loops_for_partition): Use it.
6219         * testsuite/gfortran.dg/ldist-1.f90: New.
6220
6221         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6222         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6223
6224 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6225
6226         * graphite.c (find_transform): Dump cloog program sent to cloog.
6227
6228 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6229
6230         * graphite.c (initialize_cloog_names): Initialize cloog
6231         iterator names.
6232
6233 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6234
6235         * graphite.c (build_scop_context): Fix typo, for the matrix
6236         format: insert '0 >= 0' instead of '-1 >= 0'.
6237
6238 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6239
6240         * Fix merge problems.
6241
6242 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6243
6244         * graphite.c (setup_cloog_loop): Fix typo.
6245
6246 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6247
6248         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6249         * tree-loop-distribution.c: Reimplemented.
6250         * tree-pass.h (pass_loop_distribution): New.
6251         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6252         print_loops.
6253         * graphds.h (struct graph): New field indexes.
6254         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6255
6256         * tree-vect-analyze.c: Remove declaration of static functions when not
6257         needed.
6258         * tree-vectorizer.c: Same.
6259         (rename_variables_in_loop): Now extern.
6260         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6261         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6262         calling redirect_edge_and_branch_force.
6263
6264         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6265
6266         * tree-data-ref.c: Don't include tree-chrec.h.
6267         (debug_data_dependence_relations): New.
6268         (dump_data_dependence_relation): Call dump_data_reference on data refs
6269         in the relation.
6270         (same_access_functions): Moved...
6271         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6272         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6273         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6274         struct rdg_vertex_info, ): New.
6275         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6276         at DDR_REVERSED_P.
6277         (create_rdg_vertices): Initialize the htab of graph->indexes.
6278         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6279         (stmts_from_loop): Don't save LABEL_EXPR.
6280         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6281         hash_stmt_vertex_del): New.
6282         (build_rdg): Initialize rdg->indexes.
6283         (free_rdg, stores_from_loop, ref_base_address,
6284         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6285         have_similar_memory_accesses_1, ref_base_address_1,
6286         remove_similar_memory_refs): New.
6287
6288         * tree-data-ref.h: Include tree-chrec.h.
6289         (debug_data_dependence_relations): Declared.
6290         (same_access_functions): ...here.  Now static inline.
6291         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6292         ddr_dependence_level): New.
6293         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6294         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6295         RDG_MEM_READS_STMT): New.
6296         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6297         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6298         rdg_vertex_for_stmt): Declared.
6299         (struct rdg_edge): New field level.
6300         (RDGE_LEVEL, free_rdg): New.
6301         (stores_from_loop, remove_similar_memory_refs,
6302         rdg_defs_used_in_other_loops_p,
6303         have_similar_memory_accesses): Declared.
6304         (rdg_has_similar_memory_accesses): New.
6305
6306         * lambda.h (dependence_level): New.
6307         * common.opt (ftree-loop-distribution): New.
6308         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6309         (print_loop_ir): Renamed print_loops.
6310         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6311         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6312         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6313         (tree-loop-distribution.o): Added.
6314         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6315         (mark_virtual_ops_in_bb): New.
6316         (print_loops_bb, debug_loop_num, debug_loop): New.
6317         * passes.c: Scheduled pass_loop_distribution.
6318
6319 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6320
6321         * graphite.c (scan_tree_for_params): Correct the number of columns
6322         for polylib format.
6323         (nb_flat_iterator): New.
6324         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6325         (build_scop_iteration_domain): Correct the number of columns for
6326         polylib format.
6327
6328 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6329
6330         * Merge from mainline (129697:130800).
6331
6332 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6333
6334         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6335         dominated by SCoP's exit.
6336         (graphite_transform_loops): Compute post dominators.
6337
6338 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6339
6340         * Merge from mainline (127169:129697).
6341
6342 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6343
6344         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6345         parameter for the basic block that contains the expression.  Use
6346         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6347         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6348         the expression.
6349         * graphite.h (gbb_loop): New.
6350         (GBB_LOOP): Removed.
6351
6352 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6353
6354         * Makefile.in: Fix merge problem.
6355
6356 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6357
6358         * Merge from mainline (125309:127169).
6359         * tree-loop-distribution.c: Disabled.
6360
6361 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6362
6363         * Merge from mainline (r123693:125309).
6364
6365 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6366
6367         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6368         correct_modify_p
6369         (correct_modify_p, check_statements, number_of_lvalue_uses,
6370         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6371         instead of MODIFY_EXPR.
6372         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6373         and push new edges.
6374
6375 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6376
6377         * tree-loop-distribution.c (struct rdg): Replace arrays by
6378         VECs for edges and vertices.
6379         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6380         (RDGV_NB_PARTITIONS): New.
6381         (PRDG_NBV, PRDG_NBE): Removed.
6382         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6383         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6384         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6385
6386 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6387             Sebastian Pop  <sebpop@gmail.com>
6388
6389         * doc/invoke.texi (-ftree-loop-distribution): Document.
6390         * tree-loop-distribution.c: New file.
6391         * tree-pass.h (pass_loop_distribution): Declared.
6392         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6393         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6394         and set reversed_p.
6395         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6396         (DDR_REVERSED_P): New.
6397         * common.opt (-ftree-loop-distribution): New.
6398         * tree-flow.h (distribute_loops): Declared.
6399         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6400         * passes.c (init_optimization_passes): Schedule loop distribution.
6401
6402 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6403
6404         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6405         (print_scop): Don't print when scop is NULL.
6406         (build_scop_context, find_transform): Don't output to stderr.
6407
6408 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6409
6410         * tree-data-ref.c: Don't include graphite.h.
6411         Comment out the code for printing data reference's scop.
6412         (build_access_matrix_with_af): Moved...
6413         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6414         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6415         (print_graphite_bb): Print basic block's schedule.
6416         (print_scop): Don't print the schedule, call cloog's pretty printer.
6417         (bb_in_scop_p): A basic block is in a scop only if it is both
6418         dominated and postdominated by the scop's entry and exit basic blocks.
6419         (function_parameter_p): New.
6420         (invariant_in_scop_p): Use function_parameter_p.
6421         (new_scop, save_scop): New.
6422         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6423         save_scop.
6424         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6425         (loop_in_scop_p): New.
6426         (scop_record_loop): Use loop_in_scop_p.
6427         (build_scop_domain): Renamed build_scop_iteration_domain.
6428         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6429         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6430         setup_cloog_loop, dot_scop_1, dot_scop): New.
6431         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6432         (struct scop): Add a pointer to cloog's representation of a program.
6433
6434 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6435
6436         * doc/invoke.texi (-ftree-check-verbose): Renamed
6437         -ftree-checks-verbose.
6438         * common.opt (flag_tree_check_verbose): Renamed
6439         flag_tree_checks_verbose.
6440         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6441
6442 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6443
6444         * configure: Regenerated.
6445         * config.in: Regenerated.
6446         * tree-ssa-loop.c (graphite_transforms): Execute
6447         graphite_transform_loops only when HAVE_cloog.
6448         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6449         * graphite.c: Include polylibgmp.h and cloog.h.
6450         (graphite_transform_loops): Removed loops parameter.
6451         * tree-flow.h (graphite_transform_loops): Update declaration.
6452         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6453         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6454         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6455         (OBJS-common): Remove dependence on graphite.o.
6456         (BACKEND): Depend on @GRAPHITE@.
6457
6458 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6459
6460         * doc/invoke.texi (-ftree-check-verbose): Documented.
6461         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6462         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6463         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6464         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6465         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6466         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6467         * common.opt (ftree-checks-verbose): New.
6468         * tree-check.c (tree_check_warning): Move extra stderr output
6469         under control of flag_tree_check_verbose.
6470
6471 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6472
6473         * tree-match.c: Fix comments formatting.
6474         * tree-match.h: Fix comments formatting.
6475         * tree-check.c: Fix comments formatting.
6476         (tree_check_init): Restructure.
6477
6478 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6479
6480         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6481
6482 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6483
6484         * Merge from mainline (r120733:123693).
6485
6486 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6487
6488         * condate.y: New file.
6489         * tree-match.h (struct patt_info_s): New field sign.
6490         (struct condate_s): New field msg.
6491         (normalize_condate, name_condate, add_condate): New.
6492         (conds[], condate_parse): Made extern.
6493         * tree-check.c (tree_check_warning): First arg changed to cond;
6494         warning reformatted.
6495         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6496         (tree_scan): New.
6497         (tree_check): Process trivial condates.
6498         (read_delimited_string): Removed.
6499         (print_cond): Print name and msg.
6500         (conds[]): Made extern.
6501         (parse_tree_check_file_once): Rewritten to use the parser in
6502         condate.y.
6503         Processing of option --tree_check_string moved to tree_scan().
6504         * Makefile.in: Added condate.y
6505
6506 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6507
6508         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6509         Use VECs instead of varrays.
6510         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6511         * Makefile.in (pretty-print.o): Depend on vec.h.
6512         * pretty-print.c: Include tree.h and vec.h.
6513         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6514         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6515         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6516         pp_free_list): Use VECs instead of varrays.
6517         * pretty-print.h: Do not include varray.h.
6518         (struct tree_chunk_s): Declaration moved before its use.
6519         (output_buffer): Rename varray field to chunks.
6520         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6521         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6522         save_global_holes): Use VECs instead of varrays.
6523         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6524         * tree-check.c (scan_cfg_stmts, push_node,
6525         print_matching_stmt): Removed.
6526         (tree_check_instance, push_global_holes_if_new, tree_check,
6527         execute_tree_check): Use VECs instead of varrays.
6528         (gate_tree_check): Don't execute the CFG check when basic_block_info
6529         is not available.
6530
6531 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6532
6533         * Merge from mainline (r115016:120733).
6534
6535 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6536
6537         * Merge from mainline (r117632:117661).
6538
6539 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6540
6541         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6542         * tree-pass.h (TDF_DEBUG, debug_p): New.
6543         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6544         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6545         get_loop_exit_condition, analyze_evolution_in_loop,
6546         analyze_initial_condition, analyze_scalar_evolution,
6547         instantiate_parameters, number_of_latch_executions): Use debug_p.
6548         * tree-chrec.c (chrec_apply): Use debug_p.
6549         * tree-data-ref.c: Include graphite.h.
6550         (dump_data_reference): Print also the access matrix.
6551         (analyze_array, analyze_indirect_ref, init_data_ref,
6552         analyze_offset_expr, address_analysis, object_analysis,
6553         create_data_ref, finalize_ddr_dependent,
6554         non_affine_dependence_relation, analyze_ziv_subscript,
6555         analyze_siv_subscript_cst_affine,
6556         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6557         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6558         analyze_miv_subscript, analyze_overlapping_iterations,
6559         build_classic_dist_vector, subscript_dependence_tester,
6560         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6561         (build_access_matrix_with_af): No longer static.
6562         * tree-data-ref.h (scop_p): ... declaration here.
6563         (data_reference.scop): New field.
6564         (DR_SCOP, DR_ACCESS_MATRIX): New.
6565         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6566         * graphite.c (print_graphite_bb): Call dump_data_references.
6567         (print_scop): Use scop_nb_loops and scop_dim_domain.
6568         (test_for_scop_bound): Use debug_p.
6569         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6570         scop_nb_params.
6571         (scop_loop_index): Moved...
6572         (scop_record_loop): New.
6573         (build_scop_loop_nests): Use scop_record_loop.
6574         (build_scop_domain): Use scop_dim_domain.
6575         (build_access_matrix): Implemented.
6576         (build_scop_canonical_schedules): Use scop_nb_loops.
6577         (build_graphite_bb): Initialize GBB_SCOP.
6578         * graphite.h (scop_p): Moved...
6579         (graphite_bb.scop): New field.
6580         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6581         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6582         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6583         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6584         scop_loop_index): New.
6585         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6586
6587 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6588
6589         * Merge from mainline (r117661:120450).
6590
6591 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6592
6593         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6594         at the first declaration outside the varying loop, instantiate as
6595         far as possible.
6596         * tree-chrec.c (for_each_scev_op): New.
6597         * tree-chrec.h (for_each_scev_op): Declared.
6598         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6599         * tree-data-ref.c (get_references_in_stmt,
6600         find_data_references_in_stmt): New, from trunk.
6601         (find_data_references_in_loop): Use get_references_in_stmt
6602         and find_data_references_in_loop, modified as in trunk.
6603         (build_access_matrix_with_af): New.
6604         * tree-data-ref.h (data_reference): Add a field access_matrix.
6605         (data_ref_loc): New, as in trunk.
6606         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6607         invariant_in_scop_p, param_index, scan_tree_for_params,
6608         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6609         idx_record_param, idx_record_params, build_access_matrix,
6610         build_scop_data_accesses, build_scop_canonical_schedules,
6611         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6612         build_scop_params): New.
6613         * graphite.h (graphite_bb): New.
6614         (scop): Add fields static_schedule, params, loop_nest,
6615         iteration_domain.
6616         * lambda.h: Declare vecs of lambda_matrix.
6617         * tree-flow.h (print_loop_ir_bb): Declared.
6618         * tree-cfg.c (print_loop_ir_bb): New.
6619         (print_loop): Use print_loop_ir_bb.
6620
6621 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6622
6623         * Merge from mainline (r115016:117632).
6624
6625 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6626
6627         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6628         break due to a warning.
6629
6630 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6631
6632         * graphite.c (print_scops, debug_scops): New.
6633         (graphite_transform): Renamed graphite_find_transform.
6634         * graphite.h (debug_scops): Declared.
6635
6636 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6637
6638         * tree-match.c: Reformat following the GNU style.
6639         * tree-match.h: Reformat following the GNU style.
6640         * tree-pattern.h: Removed empty file.
6641         * Makefile.in: Remove references to tree-pattern.h.
6642         * tree-check.c: Reformat following the GNU style.
6643         (execute_tree_check): Move gate condition code to...
6644         (gate_tree_check): ...here.  New function.
6645         (pass_check): Use the gate function.
6646
6647 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6648
6649         * tree-pattern.h: New. Tree pattern matching and checking using
6650         concrete syntax.
6651         * tree-check.c: New. Tree/CFG checking pass.
6652         * tree-match.c: New. Library for tree pattern matching.
6653         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6654         * toplev.c, flags.h: Add globals for tree-check pass.
6655         * Makefile.in: Integrate the files in tree-check pass.
6656         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6657         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6658         Introduce a "lazy" pretty-print mode.
6659         * tree.c, tree.h: Add tree_name.
6660
6661 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6662
6663         * doc/invoke.texi (-fgraphite): Correct typo.
6664         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6665         use of print_loop_ir.
6666         * testsuite/gcc.dg/graphite/scop-1.c: New.
6667         * testsuite/gcc.dg/graphite/scop-2.c: New.
6668         * testsuite/gcc.dg/graphite/graphite.exp: New.
6669         * graphite.c: Include domwalk.h.
6670         (print_scop): Print only the entry and exit blocks.
6671         (debug_scop): No longer static.
6672         (affine_expr): Fix formating.  Return also true when the expression is
6673         constant.
6674         (stmt_simple_for_scop_p): Fix formating.
6675         (build_scops): Use domwalk.
6676         (get_loop_start, end_scop, test_for_scop_bound): New.
6677         (graphite_transform_loops): Avoid printing on stderr.
6678         * graphite.h (debug_scop): Declared.
6679         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6680         * Makefile.in (graphite.o): Depend on domwalk.h.
6681         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6682         declarations for static functions.
6683         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6684         controlling output verbosity.
6685
6686 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6687             Plesco Alexandru  <shurikx@gmail.com>
6688
6689         * doc/invoke.texi (-fgraphite): Document.
6690         * tree-pass.h (pass_graphite_transforms): Declared.
6691         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6692         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6693         (pass_graphite_transforms): Defined.
6694         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6695         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6696         * graphite.c, graphite.h: New.
6697         * common.opt (fgraphite): Declared.
6698         * tree-flow.h (graphite_transform_loops): Declared.
6699         * Makefile.in (OBJS-common): Add graphite.o.
6700         (graphite.o): New rule.
6701         * passes.c (pass_graphite_transforms): Scheduled.
6702