gcc/ChangeLog.graphite

   1 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
   2             Reza Yazdani  <reza.yazdani@amd.com>
   3
   4         PR middle-end/43065
   5         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
   6         on pointer type parameters.
   7
   8         * gcc.dg/graphite/run-id-4.c: New.
   9
  10 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         PR middle-end/43065
  13         * gcc.dg/graphite/run-id-3.c: New.
  14
  15 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
  16             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  17
  18         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
  19         handle conversions from pointer to integers.
  20         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
  21         induction variable, to be able to work with code generated by CLooG.
  22         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
  23         (build_poly_scop): Bail out if we cannot codegen a loop.
  24
  25 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
  26
  27         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
  28         code generation with gloog_error.
  29
  30 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  31
  32         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
  33         Call fold_convert on all the returned values.
  34         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
  35         the type of the resulting expression.
  36
  37 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
  40         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
  41         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
  42
  43 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  44
  45         * graphite-dependences.c (map_into_dep_poly): Removed.
  46         (dependence_polyhedron_1): Use combine_context_id_scat.
  47
  48 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * graphite-poly.h (struct poly_scattering): Add layout documentation.
  51         (struct poly_bb): Same.
  52         (combine_context_id_scat): New.
  53
  54 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         PR middle-end/42326
  57         * sese.c (name_defined_in_loop_p): Return false for default
  58         definitions.
  59
  60         * gcc.dg/graphite/pr42326.c: New.
  61
  62 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
  65         and clean up the logic.
  66
  67 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
  70         early return.
  71
  72 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         PR middle-end/43083
  75         * graphite-scop-detection.c (create_single_exit_edge): Move
  76         the call to find_single_exit_edge to....
  77         (create_sese_edges): ...here.  Don't handle multiple edges
  78         exiting the function.
  79         (build_graphite_scops): Don't handle multiple edges
  80         exiting the function.
  81
  82         * gcc.dg/graphite/pr43083.c: New.
  83
  84 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         PR middle-end/43097
  87         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
  88         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
  89
  90         * gfortran.dg/graphite/pr43097.f: New.
  91
  92 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  93             Manuel López-Ibáñez  <manu@gcc.gnu.org>
  94
  95         PR middle-end/43140
  96         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
  97
  98 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         PR middle-end/43026
 101         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 102
 103         * g++.dg/graphite/pr43026.C: New.
 104
 105 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 106
 107         * Merge from mainline (154736:156693).
 108
 109 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         PR middle-end/43012
 112         * gcc.dg/graphite/pr43012.c: New.
 113
 114 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 117 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         * g++.dg/graphite/pr42930.C: New.
 120
 121 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         PR middle-end/42930
 124         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 125         graphite_can_represent_init for MULT_EXPR.
 126
 127 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         PR middle-end/42914
 130         PR middle-end/42530
 131         * graphite-sese-to-poly.c (remove_phi): New.
 132         (translate_scalar_reduction_to_array): Call remove_phi.
 133
 134         * gcc.dg/graphite/pr42530.c: New.
 135         * gcc.dg/graphite/pr42914.c: New.
 136
 137 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 138
 139         PR middle-end/42771
 140         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 141         * graphite-clast-to-gimple.h (gloog): Update declaration.
 142         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 143         * graphite-poly.h (struct poly_bb): Add missing comments.
 144         (struct scop): Add poly_scop_p field.
 145         (POLY_SCOP_P): New.
 146         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 147         * graphite.c (graphite_transform_loops): Build the polyhedral
 148         representation for each scop before code generation.
 149         * sese.c (rename_variables_in_operand): Removed.
 150         (rename_variables_in_expr): Return the renamed expression.
 151         (rename_sese_parameters): New.
 152         * sese.h (rename_sese_parameters): Declared.
 153
 154         * gcc.dg/graphite/pr42771.c: New.
 155
 156 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 157
 158         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 159         return 0 from main.
 160         * gcc.dg/graphite/block-1.c: Same.
 161         * gcc.dg/graphite/block-3.c: Same.
 162         * gcc.dg/graphite/block-4.c: Same.
 163         * gcc.dg/graphite/block-5.c: Same.
 164         * gcc.dg/graphite/block-6.c: Same.
 165         * gcc.dg/graphite/block-7.c: Same.
 166         * gcc.dg/graphite/interchange-0.c: Same.
 167         * gcc.dg/graphite/interchange-1.c: Same.
 168         * gcc.dg/graphite/interchange-10.c: Same.
 169         * gcc.dg/graphite/interchange-11.c: Same.
 170         * gcc.dg/graphite/interchange-12.c: Same.
 171         * gcc.dg/graphite/interchange-2.c: Same.
 172         * gcc.dg/graphite/interchange-3.c: Same.
 173         * gcc.dg/graphite/interchange-4.c: Same.
 174         * gcc.dg/graphite/interchange-5.c: Same.
 175         * gcc.dg/graphite/interchange-6.c: Same.
 176         * gcc.dg/graphite/interchange-7.c: Same.
 177         * gcc.dg/graphite/interchange-8.c: Same.
 178         * gcc.dg/graphite/interchange-9.c: Same.
 179         * gcc.dg/graphite/interchange-mvt.c: Same.
 180
 181 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * gfortran.dg/graphite/id-19.f: New.
 184         * gfortran.dg/graphite/pr14741.f90: New.
 185         * gfortran.dg/graphite/pr41924.f90: New.
 186         * gfortran.dg/graphite/run-id-2.f90: New.
 187
 188 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 189
 190         PR middle-end/42988
 191         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 192         to unknown_dependence.
 193         (graphite_legal_transform_dr): Handle the unknown_dependence.
 194         (graphite_carried_dependence_level_k): Same.
 195
 196 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 199
 200 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 201             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 202
 203         PR middle-end/42637
 204         * graphite-dependences.c (build_lexicographical_constraint): Return
 205         a union of dependence polyhedra.
 206         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 207
 208         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 209         * gcc.dg/graphite/block-4.c: Same.
 210         * gcc.dg/graphite/block-7.c: Same.
 211         * gcc.dg/graphite/interchange-12.c: Same.
 212         * gcc.dg/graphite/interchange-mvt.c: Same.
 213         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 214         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 215         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 216
 217 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 220         the execution check to FAIL.  This testcase is miscompiled by Graphite
 221         and the check should be re-enabled.
 222         * gcc.dg/graphite/interchange-mvt.c: Same.
 223         * gcc.dg/graphite/block-0.c: Same.
 224         * gcc.dg/graphite/block-4.c: Same.
 225         * gcc.dg/graphite/block-7.c: Same.
 226
 227 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 230         * gcc.dg/graphite/scop-0.c: Fix spaces.
 231         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 232         * gfortran.dg/graphite/block-2.f: Same.
 233         * gfortran.dg/graphite/block-3.f90: Same.
 234         * gfortran.dg/graphite/block-4.f90: Same.
 235         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 236         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 237
 238 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 239
 240         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 241         PDDR_ORIGINAL_SCATTERING_P.
 242         (pddr_is_empty): Rewritten.
 243         (print_dependence_polyhedron_layout): New.
 244         (print_pddr): New.
 245         (debug_pddr): New.
 246         (build_alias_set_powerset): Moved up.
 247         (poly_drs_may_alias_p): Moved up.
 248         (lexicographically_gt_p): Removed.
 249         (build_lexicographically_gt_constraint): Renamed
 250         build_lexicographical_constraint, reimplemented.
 251         (dependence_polyhedron_1): Simplified parameters.
 252         (dependence_polyhedron): Same.  Keep along empty PDDRs
 253         to make efficient use of the cache.
 254         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 255         (graphite_legal_transform_dr): Rewritten.
 256         (graphite_legal_transform_bb): Pass fewer arguments to
 257         graphite_legal_transform_dr.
 258         (graphite_carried_dependence_level_k): Simplified implementation.
 259         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 260         (dot_transformed_deps_stmt_1): Same.
 261         (dot_original_deps): Same.
 262         (dot_transformed_deps): Same.
 263         * graphite-dependences.h (struct poly_ddr): Added a new field
 264         original_scattering_p.
 265         (PDDR_ORIGINAL_SCATTERING_P): New.
 266         (print_pddr): Declared.
 267         (debug_pddr): Declared.
 268         * graphite-ppl.c: Clarify comment.
 269         * sese.h (print_gimple_bb): Removed unused declaration.
 270         (debug_gbb): Same.
 271
 272 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * g++.dg/graphite/graphite.exp: Rewritten.
 275         * gcc.dg/graphite/graphite.exp: Rewritten.
 276         * gfortran.dg/graphite/graphite.exp: Rewritten.
 277         * gcc.dg/graphite/block-0.c: Added runtime test.
 278         * gcc.dg/graphite/block-1.c: Same.
 279         * gcc.dg/graphite/block-3.c: Same.
 280         * gcc.dg/graphite/block-4.c: Same.
 281         * gcc.dg/graphite/block-5.c: Same.
 282         * gcc.dg/graphite/block-6.c: Same.
 283         * gcc.dg/graphite/block-7.c: Same.
 284         * gcc.dg/graphite/interchange-0.c: Same.
 285         * gcc.dg/graphite/interchange-1.c: Same.
 286         * gcc.dg/graphite/interchange-10.c: Same.
 287         * gcc.dg/graphite/interchange-11.c: Same.
 288         * gcc.dg/graphite/interchange-12.c: Same.
 289         * gcc.dg/graphite/interchange-2.c: Same.
 290         * gcc.dg/graphite/interchange-3.c: Same.
 291         * gcc.dg/graphite/interchange-4.c: Same.
 292         * gcc.dg/graphite/interchange-5.c: Same.
 293         * gcc.dg/graphite/interchange-6.c: Same.
 294         * gcc.dg/graphite/interchange-7.c: Same.
 295         * gcc.dg/graphite/interchange-8.c: Same.
 296         * gcc.dg/graphite/interchange-9.c: Same.
 297         * gcc.dg/graphite/interchange-mvt.c: Same.
 298         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 299
 300 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 301
 302         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 303           background.
 304
 305 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 306
 307         * common.opt: Add -fgraphite-cloog-opts.
 308         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 309         * opts.c (decode_options): Same.
 310
 311 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 312
 313         * gcc.dg/graphite/id-17.c: New.
 314         * gcc.dg/graphite/pr41888.c: New.
 315         * gcc.dg/graphite/scop-22.c: New.
 316         * gfortran.dg/graphite/pr40982.f90: New.
 317
 318 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         * graphite-dependences.c: Clarify comments.
 321         (build_pddr): Add an extra parameter direction.
 322         (graphite_legal_transform_dr): Use build_pddr.
 323         (dot_original_deps_stmt_1): Update use of build_pddr.
 324         (dot_transformed_deps_stmt_1): Same.
 325         (dot_original_deps): Same.
 326         (dot_transformed_deps): Same.
 327
 328         * gcc.dg/graphite/interchange-12.c: New.
 329         * gcc.dg/graphite/block-7.c: New.
 330
 331 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 332
 333         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 334         (pddr_transformed_scattering): Removed.
 335         (graphite_legal_transform_dr): Use build_pddr.
 336         (dot_original_deps_stmt_1): Same.
 337         (dot_transformed_deps_stmt_1): Same.
 338         (dot_original_deps): Same.
 339         (dot_transformed_deps): Same.
 340
 341 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 344         (build_lexicographically_gt_constraint): Same.
 345         (dependence_polyhedron_1): Same.
 346         (dependence_polyhedron): Same.
 347
 348 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 351         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 352         (lexicographically_gt_p): Change type of direction to int.
 353         (build_lexicographically_gt_constraint): Same.
 354         (dependence_polyhedron_1): Same.
 355         (dependence_polyhedron): Same.
 356         (pddr_original_scattering): Use integers for direction.
 357         (pddr_transformed_scattering): Same.
 358         (graphite_legal_transform_dr): Same.
 359         (graphite_carried_dependence_level_k): Same.
 360
 361 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 362
 363         * graphite-dependences.c (build_pairwise_constraint): Renamed
 364         ppl_build_relation.  Moved...
 365         (dr_equality_constraints): Use ppl_build_relation.
 366         (build_pairwise_scheduling_equality): Same.
 367         (build_pairwise_scheduling_inequality): Same.
 368         * graphite-ppl.c (ppl_build_relation): ...here.
 369         * graphite-ppl.h (ppl_build_relation): Declared.
 370
 371 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         PR middle-end/42681
 374         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 375         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 376         Set gloog_error when such an expression failed to be built.
 377         (translate_clast): Early return when gloog_error is set.
 378         (gloog): Clear gloog_error.  When gloog_error is set, call
 379         set_ifsese_condition to enable the original code.  Return the status
 380         of the code generation based on gloog_error.
 381         * sese.c (set_ifsese_condition): New.
 382         * sese.h (set_ifsese_condition): Declared.
 383
 384         * g++.dg/graphite/pr42681.C: New.
 385
 386 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 387
 388         PR middle-end/42732
 389         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 390         rename_nb_iterations.
 391         * sese.c (rename_variables_in_operand): New.
 392         (rename_variables_in_expr): New.
 393         (rename_nb_iterations): New.
 394         (sese_adjust_liveout_phis): Update the rename_map.
 395         * sese.h (rename_nb_iterations): Declared.
 396         * tree-scalar-evolution.c (scev_reset_htab): New.
 397         (scev_reset): Call scev_reset_htab.
 398         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 399
 400         * gfortran.dg/graphite/pr42732.f: New.
 401
 402 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 403
 404         PR middle-end/42393
 405         * graphite-clast-to-gimple.c: Fix formatting.
 406         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 407         (expr_defined_in_loop_p): New.
 408         (add_loop_exit_phis): Also handle full expressions: remove from
 409         the rename_map the expressions defined in the loop that we're closing.
 410
 411         * gfortran.dg/graphite/pr42393-1.f90: New.
 412         * gfortran.dg/graphite/pr42393.f90: Add new flags
 413         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 414         make this testcase useful in the Graphite branch.
 415
 416 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 417
 418         * graphite-scop-detection.c (exclude_component_ref): Removed.
 419         (is_simple_operand): Removed.
 420         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 421
 422 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 423
 424         PR middle-end/42221
 425         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 426         the array indexing of ADDR_EXPRs.
 427
 428         * gcc.dg/graphite/pr42221.c: New.
 429
 430 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 431
 432         PR middle-end/42521
 433         * graphite.c (graphite_finalize): Call scev_reset.
 434         (graphite_transform_loops): Do not call scev_reset between the code
 435         generation of scops.
 436
 437         * gcc.dg/graphite/pr42521.c: New.
 438
 439 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         * graphite-interchange.c (memory_stride_in_loop): Renamed
 442         pdr_stride_in_loop.
 443         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 444         (memory_strides_in_loop): Memoize the memory strides per loop.
 445         (lst_interchange_profitable_p): Do not initialize to zero the memory
 446         strides.
 447         * graphite-poly.h (struct lst): Add a field memory_strides.
 448         (LST_LOOP_MEMORY_STRIDES): New.
 449         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 450         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 451
 452 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 455         memory_strides_in_loop.  Gather memory strides on a whole loop.
 456         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 457         (lst_interchange_profitable_p): Removed.
 458         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 459
 460 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 463         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 464         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 465         Remove context_loop and level.
 466
 467 2010-01-07  Richard Guenther  <rguenther@suse.de>
 468
 469         PR tree-optimization/42641
 470         * sese.c (rename_map_elt_info): Use the SSA name version, do
 471         not hash pointers.
 472
 473 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 474
 475         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 476         blocked" only when both the strip mine and the interchange have
 477         been applied.
 478
 479         * gcc.dg/graphite/block-2.c: Removed.
 480         * gcc.dg/graphite/block-3.c: Add scan pattern.
 481         * gcc.dg/graphite/block-4.c: Same.
 482         * gcc.dg/graphite/block-5.c: Same.
 483         * gcc.dg/graphite/block-6.c: Same.
 484
 485 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 486
 487         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 488         before allocating a new one.
 489         (copy_renames): Check that slot is not NULL.
 490         (mark_bb_with_pbb): Same.
 491         (compute_cloog_iv_types_1): Same.
 492         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 493         nest, and after LSTs.
 494         (lst_try_interchange_loops): Same.
 495
 496 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         PR middle-end/42178
 499         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 500         the before, nest, and after LSTs.
 501         (lst_try_interchange): Removed.
 502         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 503         were modified.
 504         (lst_interchange_select_outer): Apply interchange on the outer loop
 505         until there are no more changes in the inner loops.
 506
 507 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 508
 509         Revert patch fixing PR middle-end/42221.
 510
 511 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         PR middle-end/42180
 514         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 515         GIMPLE_CALL.
 516
 517         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 518
 519 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         PR middle-end/42180
 522         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 523         that contain only one statement.
 524
 525         * gfortran.dg/graphite/pr42180.f90: New.
 526
 527 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 528
 529         PR middle-end/42393
 530         * gfortran.dg/graphite/pr42393.f90: New.
 531
 532 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         PR middle-end/42186
 535         * gfortran.dg/graphite/pr42186.f90: New.
 536
 537 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         PR middle-end/42205
 540         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 541         Insert the reduction copy in the same block as the phi node.
 542         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 543
 544         * gcc.dg/graphite/pr42205-1.c: New.
 545         * gcc.dg/graphite/pr42205-2.c: New.
 546
 547 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/42221
 550         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 551         the array indexing of ADDR_EXPRs.
 552
 553         * gcc.dg/graphite/pr42221.c: New.
 554
 555 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         PR middle-end/42178
 558         PR middle-end/42334
 559         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 560         index.  Call lst_interchange_select_inner only once.
 561         (lst_interchange_select_inner): Update use of lst_try_interchange.
 562         (lst_interchange_select_outer): Update.
 563
 564 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 565
 566         PR middle-end/42178
 567         PR middle-end/42334
 568         * graphite-interchange.c (lst_try_interchange): Do not increment the
 569         the OUTER index when there is no AFTER kernel.  Do not increment the
 570         OUTER index for after processing the AFTER kernel.
 571         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 572         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 573         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 574         (scop_do_interchange): Update use of lst_interchange_select_outer.
 575
 576         * gfortran.dg/graphite/graphite.exp
 577         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 578         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 579         the graphite dump file.
 580         * gfortran.dg/graphite/interchange-2.f: Same.
 581         * gfortran.dg/graphite/pr42334-1.f: New.
 582
 583 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 584
 585         PR middle-end/42178
 586         PR middle-end/42334
 587         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 588         that are empty.
 589         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 590         (lst_try_interchange): Reimplemented.
 591         (lst_interchange_select_inner): Same.
 592         (lst_do_interchange): Renamed lst_interchange_select_outer.
 593         Reimplemented.
 594         (scop_do_interchange): Update use of lst_interchange_select_outer.
 595
 596         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 597         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 598         * gcc.dg/graphite/pr42211.c: New.
 599         * gfortran.dg/graphite/pr42334.f90: New.
 600
 601 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 602
 603         PR middle-end/42181
 604         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 605         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 606
 607         * gfortran.dg/graphite/pr42181.f90: New.
 608
 609 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 610
 611         PR middle-end/42284
 612         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 613         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 614         (detect_commutative_reduction_arg): Simplified.
 615         (detect_commutative_reduction): Early return when the argument of
 616         the close phi is not of an SSA_NAME.
 617
 618         * gcc.dg/graphite/pr42284.c: New.
 619
 620 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 621
 622         * dbgcnt.def (graphite_scop): New counter.
 623         * graphite.c: Include dbgcnt.h
 624         (graphite_transform_loops): Use new counter to limit transformations.
 625
 626 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 627
 628         PR middle-end/42285
 629         * graphite-scop-detection.c (graphite_can_represent_init): Also
 630         handle more complex MULT_EXPRs containing parameters by recursion
 631         on the structure.
 632
 633         * gfortran.dg/graphite/pr42285.f90: New.
 634
 635 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 636
 637         * g++.dg/graphite/pr42130.C: Fix type.
 638
 639 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 640
 641         * g++.dg/graphite/pr42130.C: Correct testcase.
 642
 643 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 644
 645         * Merge from mainline (154493:154734).
 646
 647 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 648
 649         * Merge from mainline (151362:154491).
 650
 651 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 652
 653         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 654         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 655
 656 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 657
 658         PR middle-end/42130
 659         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 660         translate_clast_for_loop): New.
 661         (translate_clast_for): Add a condition around the loop, to do not
 662         execute loops with zero iterations.
 663         * g++.dg/graphite/pr42130.C: New.
 664         * gcc.dg/graphite/pr35356-2.c: Adapt.
 665
 666 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 667
 668         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 669         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 670         Remove context_loop and level.
 671
 672 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 673
 674         * graphite-clast-to-gimple.c (translate_clast_user,
 675         translate_clast_for, translate_clast_guard): Simplify and move common
 676         elements to translate_clast().
 677         (translate_clast): Simplify and get common elements.
 678
 679 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 680
 681         * graphite-clast-to-gimple.c (translate_clast_user,
 682         translate_clast_for, translate_clast_guard): Split out of
 683         translate_clast.
 684
 685 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 686
 687         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 688         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 689         debug_clast_name_indexes_1, debug_clast_name_indexes,
 690         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 691         (clast_name_to_gcc, clast_to_gcc_expression,
 692         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 693         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 694         graphite_create_guard_cond_expr, graphite_create_new_loop,
 695         translate_clast): Add params_index.
 696         (initialize_cloog_names): Create parameter strings from scratch, do
 697         not reference other strings.
 698         (create_params_index): New.
 699         (gloog): Initialize params_index.
 700         * graphite-scop-detection (free_scops_1): Removed.
 701         (limit_scops): Use normal free_scops.
 702         * graphite-sese-to-poly.c (save_var_names): Removed.
 703         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 704         and SESE_PARAMS_INDEX.
 705         * sese.c (new_sese, free_sese): Dito.
 706         * sese.h (struct sese): Remove params_index, params_names.
 707         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 708
 709 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         Revert the following patch from 2009-09-14:
 712         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 713         tree-scalar-evolution.h, and then tree-data-ref.h.
 714         * graphite-clast-to-gimple.c: Same.
 715         * graphite-dependences.c: Same.
 716         * graphite-interchange.c: Same.
 717         * graphite-poly.c: Same.
 718         * graphite-scop-detection.c: Same.
 719         * graphite-sese-to-poly.c: Same.
 720         * graphite.c: Same.
 721         * lambda-code.c: Same.
 722         * matrix-reorg.c: Same.
 723         * tree-data-ref.c: Same.
 724         * tree-if-conv.c: Same.
 725         * tree-loop-distribu: Same.: Same.
 726         * tree-loop-linear.c: Same.
 727         * tree-parloops.c: Same.
 728         * tree-predcom.c: Same.
 729         * tree-vect-patterns.c: Same.
 730
 731 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 732
 733         Revert patch from 2009-09-14.
 734         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 735         passes at -O1 and below.
 736
 737 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         PR middle-end/40281
 740         * gcc.dg/graphite/pr40281.c: New.
 741
 742         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 743         evolutions should not variate in inner loops.
 744
 745 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 746
 747         PR middle-end/42050
 748         * gfortran.dg/graphite/pr42050.f90: New.
 749
 750 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 751
 752         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 753         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 754
 755 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-blocking.c (scop_do_block): New.
 758         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 759         * graphite-poly.h (scop_do_block): Declared.
 760
 761 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 764         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 765         to transform depth into the time_depth before calling
 766         pbb_number_of_iterations_at_time.
 767         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 768         lst_depth.
 769
 770 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 771
 772         Reverted the patch for "scattering permutations" from 2009-10-28.
 773
 774         * graphite-poly.c (print_permutation): New.
 775         (debug_permutation): New.
 776         (new_poly_bb): Initialize PBB_PERMUTATION.
 777         (free_poly_bb): Free PBB_PERMUTATION.
 778         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 779         (struct pbb_permutation_elt): New.
 780         (PBB_PERMUTATION_ELT_STRIDE): New.
 781         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 782         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 783         (new_pbb_permutation_elt): New.
 784         (pbb_permutation_elt_free): New.
 785         (struct poly_bb): Add field permutation.
 786         (PBB_PERMUTATION): New.
 787         (print_permutation): Declared.
 788         (debug_permutation): Declared.
 789
 790 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 791
 792         * graphite-interchange.c (build_partial_difference): New.
 793         (memory_stride_in_loop): Refactored the computation of
 794         equality constraints into build_partial_difference function.
 795         Added support for debugging stride computations.
 796
 797 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * graphite-clast-to-gimple.c (gloog): Free if_region,
 800         if_region->true_region, and if_region->region.
 801         * sese.c (if_region_set_false_region): Free if_region->false_region.
 802         (create_if_region_on_edge): Do not use GGC_NEW.
 803         (move_sese_in_condition): Remove useless initialization.
 804
 805 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 806
 807         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 808         for the loops created by the loop distribution.  Do not modify the
 809         input LSTs.
 810         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 811         transformed schedule.  Call lst_update_scattering before data
 812         dependence analysis.
 813         (lst_try_interchange): Pass an extra parameter INDEX.
 814         (lst_do_interchange_1): New.
 815         (lst_do_interchange): Call lst_do_interchange_1.
 816         (scop_do_interchange): Call lst_update_scattering.
 817         * graphite-poly.c (apply_poly_transforms): Do not call
 818         lst_update_scattering.
 819         * graphite-poly.h (lst_pred): New.
 820         (lst_succ): New.
 821         (lst_find_first_pbb): Return NULL when not found.
 822         (lst_empty_p): New.
 823         (lst_insert_in_sequence): Allow LST1 to be NULL.
 824         (lst_replace): New.
 825         (lst_substitute_3): New.
 826         * gcc.dg/graphite/interchange-1.c: XFail.
 827         * gcc.dg/graphite/interchange-8.c: XFail.
 828         * gcc.dg/graphite/interchange-11.c: XFail.
 829
 830 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         * graphite-interchange.c (lst_perfectly_nested_p): New.
 833         (lst_perfect_nestify): New.
 834         (lst_try_interchange_loops): Call store_lst_schedule,
 835         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 836         (scop_do_interchange): Avoid redundant legality test.
 837         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 838         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 839         * graphite-poly.h (psct_static_dim): New.
 840         (lst_dewey_number_at_depth): New.
 841         (lst_find_pbb): Restructured.
 842         (lst_find_first_pbb): Restructured.
 843         (lst_find_last_pbb): New.
 844         (lst_contains_p): New.
 845         (lst_contains_pbb): New.
 846         (lst_create_nest): New.
 847         (lst_remove_from_sequence): New.
 848         (pbb_update_scattering): New.
 849         (lst_update_scattering_under): New.
 850         (lst_update_scattering_seq): New.
 851         (lst_update_scattering): New.
 852         (lst_insert_in_sequence): New.
 853         (lst_distribute_lst): New.
 854         (lst_remove_all_before_including_pbb): New.
 855         (lst_remove_all_before_excluding_pbb): New.
 856
 857 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 858
 859         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 860         get_loop_exit_edges.
 861
 862 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 865
 866 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 867
 868         * graphite-poly.c (print_permutation): New.
 869         (debug_permutation): New.
 870         (new_poly_bb): Initialize PBB_PERMUTATION.
 871         (free_poly_bb): Free PBB_PERMUTATION.
 872         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 873         (struct pbb_permutation_elt): New.
 874         (PBB_PERMUTATION_ELT_STRIDE): New.
 875         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 876         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 877         (new_pbb_permutation_elt): New.
 878         (pbb_permutation_elt_free): New.
 879         (struct poly_bb): Add field permutation.
 880         (PBB_PERMUTATION): New.
 881         (print_permutation): Declared.
 882         (debug_permutation): Declared.
 883
 884 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * graphite-clast-to-gimple.c (gloog): Do not call
 887         sese_reset_aux_in_loops.
 888         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 889         extra argument for domains.  Do not use loop->aux.
 890         (build_scop_iteration_domain): Initialize and free domains, pass it
 891         to build_loop_iteration_domains and extract the information from
 892         domains.  Do not use loop->aux.
 893         * sese.c (sese_reset_aux_in_loops): Removed.
 894         * sese.h (sese_reset_aux_in_loops): Removed.
 895
 896 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 899         (dependency_in_loop_p): Same.
 900         (translate_clast): Do not use loop->aux.  Initialize
 901         loop->can_be_parallel.
 902         (mark_loops_parallel): Removed.
 903         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 904         * graphite.c (free_aux_in_new_loops): Removed.
 905         (graphite_finalize): Do not call free_aux_in_new_loops.
 906         (graphite_transform_loops): Do not call mark_loops_parallel.
 907
 908 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 909
 910         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 911         (translate_clast): Pass an extra parameter LEVEL.
 912         Call get_scattering_level.
 913         * graphite-clast-to-gimple.h (get_scattering_level): New.
 914
 915 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 918         * cfgloop.h (struct loop): New field single_iv.
 919
 920         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 921         loop->aux anymore: use loop->single_iv.
 922         (graphite_loop_normal_form): Moved...
 923         (build_graphite_loop_normal_form): Removed.
 924         (gloog): Do not call build_graphite_loop_normal_form.
 925         (free_aux_in_new_loops): Moved...
 926         (mark_loops_parallel): Restructure.
 927         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 928         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 929         (scop_canonicalize_loops): New.
 930         (build_poly_scop): Call scop_canonicalize_loops.
 931         * graphite.c (free_aux_in_new_loops): ...here.
 932
 933 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 934
 935         * g++.dg/graphite/graphite.exp: Add the same rules as in
 936         gcc.dg/graphite/graphite.exp.
 937
 938 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * g++.dg/graphite/id-1.C: New.
 941
 942 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 945         argument base_name.
 946         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 947         (rewrite_phi_out_of_ssa): Same.
 948         (rewrite_cross_bb_scalar_deps): Same.
 949         (translate_scalar_reduction_to_array): Same.
 950
 951 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 952
 953         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 954         dump_alias_graphs.
 955
 956 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 959         (build_scop_drs): Call dump_alias_graphs.
 960
 961 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 964         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 965         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 966         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 967         * graphite-poly.h (free_lst): New.
 968         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 969         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 970
 971 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 972
 973         * graphite-poly.h (struct scop): Add a field saved_schedule.
 974         (SCOP_SAVED_SCHEDULE): New.
 975         (store_lst_schedule): New.
 976         (restore_lst_schedule): New.
 977         (store_scattering): Call store_lst_schedule.
 978         (restore_scattering): Call restore_lst_schedule.
 979
 980 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 981
 982         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 983         (pdr_add_alias_set): Same.
 984         (build_poly_dr): Same.
 985         (build_alias_set_optimal_p): Same.
 986         (build_base_obj_set_for_drs): Same.  Do not store the result of
 987         graphds_dfs.
 988
 989 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 992         all_components_are_cliques to 1.
 993
 994 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 995
 996         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 997         the new structure.
 998         (pdr_add_alias_set): Update retrieving alias_set_num.
 999         (build_poly_dr): Update retrieving dr_base_object_set.
1000         (partition_drs_to_sets): Remove.
1001         (build_alias_set_optimal_p): New.
1002         (build_alias_set_for_drs): Rename.
1003         (build_scop_drs): Update.
1004         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1005         (ALIAS_SET_INDEX): Remove.
1006         (BASE_OBJECT_SET_INDEX): Remove.
1007
1008 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1011
1012 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1015         loop upper bounds for 1-element arrays at end of structures.
1016         * tree-flow.h (array_at_struct_end_p): Declared.
1017         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1018
1019 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * g++.dg/graphite/pr41305.C: New.
1022
1023 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1024
1025         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1026         construction of parameter constraints from loop iteration analysis.
1027         * gcc.dg/graphite/run-id-2.c: New test.
1028
1029 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1032         and new_cstr.
1033
1034 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * graphite-dependences.c (dependence_polyhedron_1): Remove
1037         unused gdim dimensions from the DDR polyhedron.
1038
1039 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-dependences.c (pddr_transformed_scattering): New.
1042         (dot_original_deps_stmt_1): New.
1043         (dot_transformed_deps_stmt_1): New.
1044         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1045         dot_transformed_deps_stmt_1.
1046         (dot_original_deps): New.
1047         (dot_transformed_deps): New.
1048         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1049
1050 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * graphite-dependences.c (reduction_dr_1): Remove wrong
1053         assert: reduction BBs can have multiple reduction writes
1054         to memory.  interchange-3.f90 is an example.
1055
1056 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * gfortran.dg/graphite/interchange-3.f90: New.
1059
1060 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1063
1064 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-dependences.c (dependence_polyhedron_1): Add the
1067         context to the dependence polyhedron.
1068
1069 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1072         PBB_PDR_DUPLICATES_REMOVED.
1073         (new_poly_bb): Same.
1074
1075 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1076
1077         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1078         SCOP_CONTEXT.
1079         (build_loop_iteration_domains): Extract bounds on parameters
1080         based on the data size.
1081         (build_scop_context): Do not initialize SCOP_CONTEXT;
1082         add new constraints.
1083
1084 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1087         * graphite-ppl.h (graphite-ppl.h): Declared.
1088
1089 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * graphite-ppl.c (ppl_print_linear_expr): New.
1092         (debug_ppl_linear_expr): New.
1093         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1094         (debug_ppl_linear_expr): Declared.
1095
1096 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         * graphite-interchange.c: Fix comments.
1099         * gcc.dg/graphite/block-1.c: Fix comments.
1100
1101 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1102
1103         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1104         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1105
1106 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         Reapply the patch from Alexander Monakov that disappeared during
1109         the last merges from trunk.
1110
1111         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1112
1113         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1114         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1115
1116 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1117
1118         * graphite-interchange.c (memory_stride_in_loop): The depth
1119         argument corresponds to a dynamic time dimension, so use
1120         psct_dynamic_dim to refer to the transformed scattering dimension.
1121
1122 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1125
1126 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1129         root of the LST.
1130         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1131         the root of the LST.
1132         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1133         fake loop.
1134         (print_lst): Print the root of LST in a different format.
1135         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1136
1137 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1140
1141 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * doc/passes.texi: Document the Graphite infrastructure.
1144
1145 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1148         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1149         and check the SSA representation.
1150
1151         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1152
1153 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1154
1155         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1156
1157 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * gcc.dg/graphite/interchange-11.c: New.
1160
1161 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1162
1163         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1164
1165 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1168         Add -fno-loop-strip-mine and -fno-loop-interchange.
1169         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1170         -fno-loop-strip-mine.
1171         * gfortran.dg/graphite/graphite.exp: Same.
1172
1173 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1176         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1177         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1178         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1179         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1180         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1181         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1182         DEFAULT_FLAGS_GRAPHITE_SCOP.
1183         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1184         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1185
1186 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1189
1190 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1191             Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * graphite-interchange.c (build_linearized_memory_access): Pass an
1194         offset as parameter.
1195         (memory_stride_in_loop): Include transform scattering in the
1196         access functions to be able to querry the strides in the
1197         transformed loops.
1198         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1199         not the psct_iterator_dim.
1200
1201 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1204         (lst_do_strip_mine_loop): New.
1205         (lst_do_strip_mine): New.
1206         (scop_do_strip_mine): Call lst_do_strip_mine.
1207         * graphite-poly.h (lst_add_loop_under_loop): New.
1208         (lst_find_first_pbb): New.
1209
1210 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         * graphite-poly.c (loop_to_lst): Fix LST creation.
1213
1214 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1215
1216         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1217         sizeof(unsigned long) to make it run on 32bit systems.
1218
1219 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1220
1221         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1222         SEGFAULT on 32bit.
1223
1224 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1225
1226         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1227         Comment.
1228         (write_alias_graph_to_ascii_dot): New.
1229         (write_alias_graph_to_ascii_ecc): Ditto.
1230         (partition_drs_to_sets): Add testing of optimality of current method
1231         which assigns alias numbers according to DFS Comopnent number.  used
1232         as heuristic for the upcoming ECC algorithm.
1233         (build_scop_drs): Write to file also with the ecc and dot format.
1234
1235 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1236
1237         * gfortran.dg/graphite/interchange-1.f: XFail.
1238
1239 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite.c (graphite_initialize): Do not handle functions with
1242         more than 100 basic blocks.
1243
1244 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1245
1246         * graphite-blocking.c (pbb_do_strip_mine): Use
1247         PARAM_LOOP_BLOCK_TILE_SIZE.
1248
1249 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-poly.c (dot_lst_1): New.
1252         (dot_lst): New.
1253         * graphite-poly.h (dot_lst): Declared.
1254
1255 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * graphite-dependences.c (dot_deps_stmt_1): New.
1258         (dot_deps_stmt): New.
1259         * graphite-dependences.h (dot_deps_stmt): Declared.
1260
1261 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1264         not replace cross BB scalar dependences ending on PHI nodes.
1265         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1266
1267 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1268
1269         * graphite-poly.c (apply_poly_transforms): Implement the high
1270         level driver for flag_loop_block.
1271         * opts.c (decode_options): Enable flag_loop_block at -O2.
1272         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1273         flag_loop_block.
1274
1275         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1276         -floop-block.
1277         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1278         Add -floop-block.
1279
1280 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1281
1282         * graphite-poly.h (lst_find_pbb): New.
1283         (find_lst_loop): New.
1284
1285 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1288         * graphite-poly.h (struct scop): Remove dep_graph field.
1289         (SCOP_DEP_GRAPH): Removed.
1290
1291 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         * graphite-poly.h (copy_lst): Do full copy of LST.
1294
1295 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1296
1297         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1298         when the loop stride is zero.
1299
1300         * gcc.dg/graphite/id-16.c: New.
1301
1302 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-dependences.c (reduction_dr_1): New.
1305         (reduction_dr_p): New.
1306         (graphite_legal_transform_dr): Call reduction_dr_p.
1307         (reduction_ddr): Renamed reduction_ddr_p.
1308         * graphite-poly.h (same_pdr_p): New.
1309         (number_of_write_pdrs): New.
1310         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1311         (split_reduction_stmt): Do not split reduction statements
1312         when there are no writes to memory.
1313         (translate_scalar_reduction_to_array_for_stmt): Insert the
1314         memory reduction statement just after the scalar reduction statement.
1315
1316         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1317         Un-XFAIL-ed.
1318         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1319         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1320
1321 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         * graphite-interchange.c (lst_apply_interchange): New.
1324         (lst_interchange_profitable_p): New.
1325         (lst_try_interchange_loops): New.
1326         (lst_try_interchange): New.
1327         (lst_do_interchange): New.
1328         (pbb_do_interchange): Removed.
1329         (scop_do_interchange): Call lst_do_interchange.
1330
1331 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1334         SCOP_TRANSFORMED_SCHEDULE.
1335         (loop_to_lst): New.
1336         (scop_to_lst): New.
1337         (print_lst): New.
1338         (debug_lst): New.
1339         * graphite-poly.h (lst_p): New.
1340         (struct lst): New.
1341         (LST_LOOP_P): New.
1342         (LST_LOOP_FATHER): New.
1343         (LST_PBB): New.
1344         (LST_SEQ): New.
1345         (scop_to_lst): Declared.
1346         (print_lst): Declared.
1347         (debug_lst): Declared.
1348         (new_lst_loop): New.
1349         (new_lst_stmt): New.
1350         (copy_lst): New.
1351         (lst_depth): New.
1352         (lst_dewey_number): New.
1353         (struct scop): Add original_schedule and transformed_schedule fields.
1354         (SCOP_ORIGINAL_SCHEDULE): New.
1355         (SCOP_TRANSFORMED_SCHEDULE): New.
1356         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1357
1358 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1359
1360         * graphite-dependences.c (reduction_ddr): New.
1361         (graphite_legal_transform_bb): Call reduction_ddr.
1362         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1363         Initialize PBB_IS_REDUCTION.
1364         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1365         (PBB_IS_REDUCTION): New.
1366         (new_poly_bb): Update declaration.
1367         * graphite-scop-detection.h (build_scop_bbs): Removed.
1368         (nb_reductions_in_loop): Removed.
1369         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1370         parameter for reductions.
1371         (try_generate_gimple_bb): Update call to new_poly_bb.
1372         (build_scop_bbs_1): Same.
1373         (build_scop_bbs): Same.
1374         (gsi_for_phi_node): New.
1375         (scalar_close_phi_node_p): Remove gcc_assert.
1376         (split_reduction_stmt): New.
1377         (is_reduction_operation_p): New.
1378         (phi_contains_arg): New.
1379         (follow_ssa_with_commutative_ops): New.
1380         (detect_commutative_reduction_arg): New.
1381         (detect_commutative_reduction_assign): New.
1382         (follow_inital_value_to_phi): New.
1383         (edge_initial_value_for_loop_phi): New.
1384         (initial_value_for_loop_phi): New.
1385         (detect_commutative_reduction): New.
1386         (translate_scalar_reduction_to_array_for_stmt): New.
1387         (insert_copyout): New.
1388         (insert_copyin): New.
1389         (translate_scalar_reduction_to_array): New.
1390         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1391         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1392         (rewrite_commutative_reductions_out_of_ssa): New.
1393         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1394         * sese.h (split_region_for_bb): New.
1395
1396         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1397         * gcc.dg/graphite/interchange-1.c: Fix format.
1398         * gcc.dg/graphite/interchange-10.c: New.
1399
1400 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1403         buggy assert.
1404
1405 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1408         (rewrite_cross_bb_scalar_dependence): New.
1409         (rewrite_cross_bb_scalar_deps): New.
1410         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1411         Call rewrite_cross_bb_scalar_deps.
1412
1413 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1414
1415         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1416         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1417         gsi_for_stmt.
1418
1419 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1422         * graphite-interchange.c (pbb_do_interchange): Same.
1423         * graphite-poly.c (print_scattering_function): Same.
1424         (debug_pdrs): Same.
1425         * graphite-poly.h (pbb_loop): New.
1426         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1427
1428 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1429
1430         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1431
1432 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1433
1434         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1435         so don't pass a pointer to it.
1436         (build_alias_set_for_drs): Same.
1437         (build_base_obj_set_for_drs): Same.
1438         (build_scop_drs): Same.
1439
1440 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1441
1442         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1443         the alias graph of data references.
1444
1445 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1446
1447         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1448         (build_scop_drs): When debugging, write the alias graph to file,
1449         otherwise, should be disabled.
1450
1451 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * Merge from mainline (151310:151361).
1454
1455 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1456
1457         * Merge from mainline (151171:151310).
1458
1459 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * Merge from mainline (151171:151806).
1462
1463 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * Revert the last commit.
1466
1467 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * Merge from mainline (151171:151819).
1470
1471 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1472
1473         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1474         (is_simple_operand): Remove call to stmt_simple_memref_p.
1475         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1476
1477 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1478
1479         * gcc.dg/graphite/interchange-mvt.c: New File.
1480         * gcc.dg/graphite/scop-dsyrk.c: New File.
1481         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1482         * gcc.dg/graphite/scop-mvt.c: New File.
1483         * gcc.dg/graphite/scop-sor.c: New File.
1484
1485 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1486
1487         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1488         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1489         (graphite_carried_dependence_level_k): Ditto.
1490         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1491         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1492         (new_poly_dr): Adjust declaration.
1493         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1494         (free_gimple_bb): Added free_data_refs_aux.
1495         (build_poly_dr): Add dr_base_object_set.
1496         (partition_drs_to_sets): New.
1497         (dr_same_base_object_p): New.
1498         (build_alias_set_for_drs): New.
1499         (build_base_object_set_for_drs): New.
1500         (build_scop_drs): Add build_base_obj_set_for_drs.
1501         * graphite-sese-to-poly.h: Added #define for alias set number index and
1502         base object set index.
1503         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1504         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1505
1506 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1507
1508         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1509         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1510
1511 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * graphite-sese-to-poly.c (struct irp_data): Removed.
1514         (idx_record_params): Removed.
1515         (find_params_in_bb): Scan for parameters the access functions; don't
1516         parse the tree representation.
1517
1518 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1521         passes at -O1 and below.
1522
1523 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1526         tree-scalar-evolution.h, and then tree-data-ref.h.
1527         * graphite-clast-to-gimple.c: Same.
1528         * graphite-dependences.c: Same.
1529         * graphite-interchange.c: Same.
1530         * graphite-poly.c: Same.
1531         * graphite-scop-detection.c: Same.
1532         * graphite-sese-to-poly.c: Same.
1533         * graphite.c: Same.
1534         * lambda-code.c: Same.
1535         * matrix-reorg.c: Same.
1536         * tree-data-ref.c: Same.
1537         * tree-if-conv.c: Same.
1538         * tree-loop-distribu: Same.: Same.
1539         * tree-loop-linear.c: Same.
1540         * tree-parloops.c: Same.
1541         * tree-predcom.c: Same.
1542         * tree-vect-patterns.c: Same.
1543
1544 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         Partially revert the previous patch, except the following.
1547         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1548         as parameters the operands of the not expression.
1549
1550 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1553         Do not call analyze_scalar_evolution on assignments.
1554         (instantiate_scev_phi): Call analyze_scalar_evolution.
1555         (instantiate_scev_name): Call instantiate_scev_assign and
1556         instantiate_scev_phi.
1557         (instantiate_scev_not): Adapted to pass as parameters the operands
1558         of the not expression.
1559
1560 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1563         to pass as parameters the operands of the binary expression.
1564
1565 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1566
1567         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1568         instantiate_scev_not.  Handle NEGATE_EXPR.
1569         (instantiate_scev_r): Handle NEGATE_EXPR.
1570
1571 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1572
1573         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1574         instantiate_scev_r.
1575         (instantiate_scev_r): Move code in instantiate_scev_2
1576         and instantiate_scev_1.
1577
1578 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * tree-scalar-evolution.c (instantiate_scev_3): New.
1581         (instantiate_scev_1): Move code in instantiate_scev_3.
1582
1583 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1584
1585         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1586         (instantiate_scev_1): Move code in instantiate_scev_poly.
1587
1588 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1591         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1592
1593 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1594
1595         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1596         (instantiate_scev_1): Move code in instantiate_scev_convert.
1597
1598 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1601         (instantiate_scev_1): Move code in instantiate_scev_binary.
1602
1603 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * tree-scalar-evolution.c (instantiate_scev_name): New.
1606         (instantiate_scev_1): Move code in instantiate_scev_name.
1607
1608 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * Merge from mainline (150992:151171).
1611
1612 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1615
1616 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-dependences.c (graphite_legal_transform_bb): Call
1619         pbb_remove_duplicate_pdrs.
1620         * graphite-poly.c (can_collapse_pdr): Removed.
1621         (pdr_find_duplicate): Removed.
1622         (can_collapse_pdrs): New.
1623         (pbb_remove_duplicate_pdrs): New.
1624         (new_poly_dr): Do not look for duplicates.
1625         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1626         (PBB_PDR_DUPLICATES_REMOVED): New.
1627         (pbb_remove_duplicate_pdrs): Declared.
1628
1629 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1630
1631         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1632         the strides by multiplying by PDR_NB_REFS.
1633         * graphite-poly.c (can_collapse_pdr): New.
1634         (pdr_find_duplicate): New.
1635         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1636         Initialize PDR_NB_REFS.
1637         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1638         (PDR_NB_REFS): New.
1639         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1640
1641 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         Revert one of the previous commits:
1644         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1645         the computation of symmetric data dependence relations.
1646         (dependency_between_pbbs_p): Same.
1647
1648 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1649
1650         PR middle-end/40965
1651         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1652         any transform.
1653
1654 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-dependences.c (pddr_original_scattering): Return NULL
1657         for read-read dependence relations.
1658         * graphite-poly.h (enum poly_dr_type): Fix comment.
1659         (pdr_read_p): New.
1660         (pdr_write_p): New.
1661         (pdr_may_write_p): New.
1662
1663 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1666         (struct poly_dr): Same.
1667         (new_poly_dr): Same.
1668         * graphite-poly.c (new_poly_dr): Same.
1669
1670 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1671             Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1674         pbb_strip_mine_time_depth.  Changed the implementation so that
1675         transformation is expressed as a transformation on
1676         time (scatttering) dimensions.  Also, ensures that the 2d+1
1677         scheduling format is preserved.
1678         (pbb_strip_mine_profitable_p): Profitability is based on the
1679         iteration number of a given time (scattering) dimension,
1680         and not on a original loop depth dimension.
1681         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1682         (pbb_do_strip_mine): Call psct_dynamic_dim.
1683         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1684         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1685         (pbb_nb_dynamic_scattering_transform): New.
1686         (psct_dynamic_dim): New.
1687
1688 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1689
1690         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1691         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1692         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1693         * graphite-interchange.c (build_linearized_memory_access): Same.
1694         (memory_stride_in_loop): Same.
1695
1696 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1697
1698         * graphite-dependences.c (pddr_original_scattering): New.
1699         (graphite_legal_transform_dr): Call pddr_original_scattering.
1700         (dot_deps_1): New.
1701         (dot_deps): New.
1702         * graphite-dependences.h (dot_deps): Declared.
1703         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1704         (print_pdr): Print PDR_ID.
1705         * graphite-poly.h (struct poly_dr): Add field id.
1706         (PDR_ID): New.
1707         (pbb_index): New.
1708         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1709
1710 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1713         not delete the original dependence relation.
1714
1715 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1718         the computation of symmetric data dependence relations.
1719         (dependency_between_pbbs_p): Same.
1720
1721 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1724         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1725         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1726         (free_poly_ddr): New.
1727         (pddr_is_empty): New.
1728         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1729         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1730         Remove fprintfs.
1731         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1732         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1733         * graphite-dependences.h (enum poly_dependence_kind): New.
1734         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1735         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1736         (PDRP_SINK): Renamed PDDR_SINK.
1737         (PDRP_DDP): Renamed PDDR_DDP.
1738         (PDDR_KIND): New.
1739         (free_poly_ddr): Declared.
1740         * graphite-poly.c (new_scop): Use the new hash function names.
1741         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1742         into original_pddrs.
1743         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1744
1745 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         * Merge from mainline (150764:150992).
1748
1749 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1752         bounds with LT_EXPR to make niter analysis more precise on code
1753         generated by Graphite.
1754
1755 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1756
1757         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1758         (graphite_legal_transform_bb): Same.
1759         (poly_drs_may_alias_p): Same.
1760
1761 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         PR middle-end/40981
1764         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1765         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1766
1767 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1768
1769         * graphite-poly.c (print_pbb): Print PBB index.
1770
1771 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * Merge from mainline (r150672:150764).
1774
1775 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * graphite-interchange.c (ppl_max_for_le): Moved...
1778         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1779         * graphite-ppl.c (ppl_max_for_le): ... here.
1780         * graphite-ppl.h (ppl_max_for_le): Declared.
1781
1782 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * Merge from mainline (r150372:150672).
1785
1786 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         PR middle-end/40980
1789         * sese.c (convert_for_phi_arg): New.
1790         (add_guard_exit_phis): Use convert_for_phi_arg.
1791
1792         * gfortran.dg/graphite/id-17.f: New.
1793
1794 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1797         unknown subscript upper bounds.
1798
1799         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1800
1801 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1802             Pranav Garg  <pranav.garg2107@gmail.com>
1803
1804         * graphite-interchange.c (gather_access_strides): Removed.
1805         (ppl_max_for_le): New.
1806         (build_linearized_memory_access): New.
1807         (memory_stride_in_loop): New.
1808         (pbb_interchange_profitable_p): Reimplemented.
1809         * graphite-ppl.h (ppl_new_id_map): New.
1810         (ppl_interchange): New.
1811
1812         * gcc.dg/graphite/interchange-6.c: XFAILed.
1813
1814 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-interchange.c (compute_subscript): Removed.
1817         (compute_array_size_cstr): Removed.
1818         (compute_array_size_poly): Removed.
1819         (compute_array_size): Removed.
1820         (gather_access_strides_poly): Removed.
1821         (gather_access_strides): Empty.
1822
1823 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         * graphite-dependences.c (dependence_polyhedron_1): Replace
1826         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1827         (graphite_legal_transform_dr): Same.
1828         (graphite_carried_dependence_level_k): Same.
1829         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1830         Initialize PDR_NB_SUBSCRIPTS.
1831         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1832         PDR_NB_SUBSCRIPTS.
1833         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1834         (PDR_NB_SUBSCRIPTS): New.
1835         (pdr_nb_subscripts): Removed.
1836         (pdr_dim): Simplified.
1837         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1838         with PDR_NB_SUBSCRIPTS.
1839
1840 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1841
1842         * graphite-interchange.c (compute_array_size): Remove use of
1843         PDR_DATA_CONTAINER.
1844         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1845         Do not initialize PDR_DATA_CONTAINER.
1846         (print_pdr): Do not print PDR_DATA_CONTAINER.
1847         * graphite-poly.h (struct poly_dr): Remove data_container field.
1848         (PDR_DATA_CONTAINER): Removed.
1849         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1850         PDR_DATA_CONTAINER.
1851         (build_poly_dr): Same.
1852
1853 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * gcc.dg/graphite/interchange-9.c: New.
1856
1857 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1858             Sebastian Pop  <sebastian.pop@amd.com>
1859
1860         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1861         copy of the dependence polyhedron.  Free the temporary objects.
1862         (graphite_carried_dependence_level_k): Free unused objects before
1863         returning.
1864
1865         * gcc.dg/graphite/interchange-1.c: XFAILed.
1866         * gcc.dg/graphite/interchange-2.c: XFAILed.
1867         * gcc.dg/graphite/interchange-3.c: XFAILed.
1868         * gcc.dg/graphite/interchange-4.c: XFAILed.
1869         * gcc.dg/graphite/interchange-7.c: XFAILed.
1870
1871 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1872
1873         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1874         Early return without analyzing the data dependences if no
1875         transform has been done.  Call restore_scattering if the transform
1876         is not legal.
1877         (graphite-interchange.c): Same.
1878         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1879         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1880         (apply_poly_transforms): Do not gcc_assert that
1881         the transform is legal.
1882         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1883         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1884         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1885         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1886         * graphite-poly.h (struct poly_scattering): New.
1887         (struct poly_bb): Add original, transformed, and saved fields.
1888         Remove transformed_scattering, original_scattering, nb_local_variables,
1889         and nb_scattering_transform fields.
1890         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1891         (poly_scattering_new): New.
1892         (poly_scattering_free): New.
1893         (poly_scattering_copy): New.
1894         (store_scattering_pbb): New.
1895         (store_scattering): New.
1896         (restore_scattering_pbb): New.
1897         (restore_scattering): New.
1898         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1899         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1900
1901 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1904         (print_scop): Same.
1905
1906 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1907
1908         * Makefile.in (graphite.o): Depends on PREDICT_H.
1909         * graphite.c: Include predict.h.
1910         (graphite_finalize): Call tree_estimate_probability.
1911         * predict.c (predict_loops): Do not call scev_initialize and
1912         scev_finalize.
1913         (tree_estimate_probability_bb): New.
1914         (tree_estimate_probability): Do not initialize loops: move that
1915         code to the driver.  Call tree_estimate_probability_bb.
1916         (tree_estimate_probability_driver): New.
1917         (pass_profile): Use tree_estimate_probability_driver.
1918         * predict.h (tree_estimate_probability): Declared.
1919
1920 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1921
1922         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1923         * graphite-dependences.c (graphite_legal_transform): Add time to
1924         TV_GRAPHITE_DATA_DEPS.
1925         (dependency_between_pbbs_p): Same.
1926         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1927
1928 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1929
1930         * Merge from mainline (r149952:150372).
1931
1932 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1933
1934         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1935         * graphite-blocking.c: Same.
1936         * graphite-clast-to-gimple.c: Same.
1937         * graphite-dependences.c: Same.
1938         * graphite-poly.c: Same.
1939         * graphite-poly.h: Same.
1940         * graphite-ppl.c: Same.
1941         * graphite-scop-detection.c: Same.
1942         * graphite-sese-to-poly.c: Same.
1943         * graphite.c: Same.
1944
1945 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1948         (remove_simple_copy_phi): New.
1949         (remove_invariant_phi): New.
1950         (simple_copy_phi_p): New.
1951         (reduction_phi_p): New.
1952         (gsi_for_ssa_name_def): New.
1953         (insert_out_of_ssa_copy): New.
1954         (insert_out_of_ssa_copy_on_edge): New.
1955         (create_zero_dim_array): New.
1956         (scalar_close_phi_node_p): New.
1957         (rewrite_close_phi_out_of_ssa): New.
1958         (rewrite_phi_out_of_ssa): New.
1959         (rewrite_reductions_out_of_ssa): New.
1960         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1961
1962         * gcc.dg/graphite/id-11.c: New.
1963         * gcc.dg/graphite/id-15.c: New.
1964         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1965         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1966         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1967         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1968         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1969         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1970         * gfortran.dg/graphite/id-13.f: New.
1971         * gfortran.dg/graphite/id-5.f: New.
1972
1973 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1974
1975         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1976         check that nb_reductions_in_loop is zero.
1977         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1978         reduction phi nodes.
1979         (nb_reductions_in_loop): Removed.
1980         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1981         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1982         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1983         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1984         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1985
1986 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1989         statements that have an empty iteration domain.
1990         * gfortran.dg/graphite/id-16.f: New.
1991
1992 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * tree-scalar-evolution.c (instantiate_scev_1): Return
1995         chrec_dont_know when the result is not above instantiate_below.
1996         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1997         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1998         the tree has a known scalar evolution.
1999         * gfortran.dg/graphite/id-14.f: New.
2000         * gfortran.dg/graphite/id-15.f: New.
2001
2002 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2003
2004         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2005         insert_gsi.
2006         (rename_variables): Keep inserting renames after the ones already
2007         inserted.
2008
2009 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2010
2011         * graphite-sese-to-poly.c (compare_bb_depths): New.
2012         (graphite_sort_dominated_info): New.
2013         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2014         (build_scop_scattering): Fix comment.
2015
2016 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite.c (graphite_finalize): Call print_loops instead of
2019         dump_function_to_file.
2020         * gcc.dg/graphite/graphite.exp: Fix formatting.
2021         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2022         loops generated in the graphite output file.
2023         * gcc.dg/graphite/pr35356-2.c: New.
2024         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2025         * gfortran.dg/graphite/id-12.f: New.
2026
2027 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2028
2029         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2030         Remove 2 XFAIL.
2031
2032 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2033             Tobias Grosser  <grosser@fim.uni-passau.de>
2034
2035         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2036         alias set number build alias in ACCESSES polyhedron.
2037         (build_alias_set_for_drs): New.
2038         (build_pbb_drs): Added build_alias_set_for_drs.
2039         * graphite-dependences.c (poly_drs_may_alias_p): New.
2040         (graphite_carried_dependence_level_k): Check alias information
2041         before building polyhedron.
2042
2043 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2044
2045         * Makefile.in (lambda-code.o): Fix formatting.
2046
2047 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2048
2049         * Merge from mainline (r149350-149952)
2050
2051 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2052
2053         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2054         before interchange to prepare for loop blocking.
2055
2056 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2057
2058         * graphite-poly.c (apply_poly_transforms): Add checks after every
2059         transformation.
2060         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2061         done in apply_poly_transforms.
2062
2063 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2064
2065         * graphite-dependences.c (build_lexicographically_gt_constraint):
2066         Replace RES parameter with *RES.
2067         (dependence_polyhedron_1): Pass an address of the parameter RES
2068         instead of value of RES.
2069
2070 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2071
2072         * graphite.c (graphite_finalize): Fix comment.
2073         (graphite_transform_loops): Reset scev info after code generation
2074         of each scop.
2075
2076 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2077
2078         * graphite.c (graphite_finalize): Call scev_reset.
2079
2080 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2083         GBB_CLOOG_IV_TYPES hash table twice.
2084         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2085         (add_condition_to_domain): Clear GMP values.
2086
2087 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * graphite-dependences.c: Fix formatting.
2090         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2091         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2092         * graphite-sese-to-poly.c: Fix formatting.
2093         * graphite.c (graphite_transform_loops): Create the hash table
2094         after the early return.
2095
2096 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2097
2098         * gcc.dg/graphite/id-14.c: New.
2099         * gcc.dg/graphite/pr40157.c: New.
2100         * gfortran.dg/graphite/id-11.f: New.
2101
2102 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2103
2104         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2105         (build_poly_scop): Return false when there are no pbbs within
2106         loops to avoid to pass to cloog scops with no loops.
2107
2108 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2109
2110         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2111         useless test "i % 2".
2112         (build_pbb_scattering_polyhedrons): Fix formatting.
2113         (build_poly_dr): Same.
2114         * graphite.c (graphite_transform_loops): Restructure.
2115
2116 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2117
2118         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2119         reduction_list parameter.
2120         (rewrite_all_phi_nodes_with_iv): Same.
2121         (canonicalize_loop_ivs): Same.
2122         * tree-parloops.c (struct brli): Removed.
2123         (build_reduction_list_info): Removed.
2124         (build_new_reduction): New.
2125         (analyze_reduction_list): Removed.
2126         (gather_scalar_reductions): Find reductions instead of phi
2127         nodes that can't be canonicalized.
2128         (try_create_reduction_list): Remove reduction_list parameter.
2129         (gen_parallel_loop): Same.
2130         (parallelize_loops): Remove analyze_reductions variable,
2131         initialization and free.
2132         Change reduction_list htab initialization to reduction_info
2133         elements instead of ssa names.
2134         Call try_create_reduction_list and gen_parallel_loop without
2135         analyzed_reduction argument.
2136         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2137         canonicalize_loop_ivs with one less argument.
2138         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2139
2140 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2141
2142         * graphite-dependences.c (new_poly_dr_pair): New.
2143         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2144         (new_poly_dr_pair): New.
2145         (eq_poly_dr_pair_p): New.
2146         (hash_poly_dr_pair_p): New.
2147         * graphite-dependences.h (struct poly_dr_pair): New.
2148         (eq_poly_dr_pair_p): Declared.
2149         (hash_poly_dr_pair_p): Declared.
2150         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2151         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2152         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2153         * Makefile.in (graphite-poly.o): Add dependence on
2154         graphite-dependences.h.
2155
2156 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2159         polynomials of degree > 1 pass to Graphite.
2160         * tree-chrec.c (scev_is_linear_expression): Call
2161         evolution_function_is_affine_multivariate_p.
2162         * gfortran.dg/graphite/id-10.f90: New.
2163
2164 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2165
2166         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2167         Instantiate scevs varying in outer loops.
2168         * gfortran.dg/graphite/id-9.f: Correct testcase.
2169
2170 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2173         redundant constraint.
2174
2175 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2176
2177         * gcc.dg/graphite/graphite.exp: Fix comments.
2178         * gfortran.dg/graphite/graphite.exp: Trigger actions
2179         based on the file names as in the C testsuite.
2180         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2181         * gfortran.dg/graphite/block-2.f: Same.
2182         * gfortran.dg/graphite/block-3.f90: Same.
2183         * gfortran.dg/graphite/block-4.f90: Same.
2184         * gfortran.dg/graphite/id-1.f90: Same.
2185         * gfortran.dg/graphite/id-2.f90: Same.
2186         * gfortran.dg/graphite/id-3.f90: Same.
2187         * gfortran.dg/graphite/id-4.f90: Same.
2188         * gfortran.dg/graphite/id-6.f: Same.
2189         * gfortran.dg/graphite/id-9.f: Same.
2190         * gfortran.dg/graphite/interchange-1.f: Same.
2191         * gfortran.dg/graphite/interchange-2.f: Same.
2192         * gfortran.dg/graphite/scop-1.f: Same.
2193
2194 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * sese.c (expand_scalar_variables_call): New.
2197         (expand_scalar_variables_ssa_name): Handle calls in expander.
2198
2199 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2200
2201         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2202         Expect to see the pattern twice.
2203         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2204         * gcc.dg/graphite/interchange-5.c: Same.
2205         * gcc.dg/graphite/interchange-6.c: Same.
2206
2207 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2208
2209         * gcc.dg/graphite/id-10.c: New.
2210         * gcc.dg/graphite/id-12.c: New.
2211         * gfortran.dg/graphite/id-7.f: New.
2212         * gfortran.dg/graphite/id-8.f: New.
2213
2214 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2215
2216         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2217         zero.
2218
2219 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2222
2223 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2224
2225         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2226
2227 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2230         building PDR subscripts.
2231
2232 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2235         computation of array sizes.
2236
2237 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2240
2241 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2242
2243         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2244         build_pairwise_constraint, dr_equality_constraints,
2245         build_pairwise_scheduling_equality,
2246         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2247         build_lexicographically_gt_constraint, dependence_polyhedron,
2248         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2249         Move from NNC_Polyhedron to C_Polyhedron.
2250         * graphite-interchange.c (compute_array_size_poly,
2251         gather_access_strides): Dito.
2252         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2253         free_scop, pbb_number_of_iterations): Dito.
2254         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2255         pbb_dim_iter_domain, struct scop): Dito.
2256         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2257         new_Cloog_Domain_from_ppl_Polyhedron,
2258         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2259         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2260         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2261         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2262         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2263         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2264         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2265         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2266         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2267         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2268         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2269         build_scop_iteration_domain, build_poly_dr): Dito
2270
2271 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2272
2273         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2274         run-id-*.c files.
2275         * gcc.dg/graphite/run-id-1.c: New.
2276
2277 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2280         positivity constraint on the symbolic number of iterations.
2281
2282 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2285
2286 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2287             Tobias Grosser  <grosser@fim.uni-passau.de>
2288
2289         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2290         (build_cloog_prog): Directly use SCOP_CONTEXT.
2291         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2292         (free_scop): Free SCOP_CONTEXT.
2293         (print_scop_context): New.
2294         (print_scop): Call print_scop_context.
2295         (debug_scop_context): New.
2296         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2297         (struct scop): Added field context.
2298         (SCOP_CONTEXT): New.
2299         * graphite-sese-to-poly.c (add_param_constraints): New.
2300         (build_scop_context): New.
2301         (build_poly_scop): Call build_scop_context.
2302
2303 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2306         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2307         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2308         * graphite-ppl.h: Include double-int.h and tree.h.
2309         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2310         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2311         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2312         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2313
2314 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2317         POINTER_PLUS_EXPR for pointer types.
2318         (clast_to_gcc_expression): Same.
2319
2320 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * graphite-poly.c (print_scattering_function): Early return when
2323         PBB_TRANSFORMED_SCATTERING is not initialized.
2324         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2325
2326 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2327
2328         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2329         to fix bootstrap.
2330
2331 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2332
2333         * tree-parloops.c (analyze_reduction_list): Change return
2334         value to void.
2335         (try_create_reduction_list): Move the call to
2336         analyze_reduction_list to the beginining.
2337         Call reduction_phi with analyzed_reductions as argument
2338         instead of reduction_list.
2339
2340 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2341
2342         *  Merge from mainline (r148296:149346)
2343
2344 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * graphite-scop-detection.c (graphite_can_represent_init): New.
2347         (graphite_can_represent_scev): Call graphite_can_represent_init:
2348         check that the initial value does not contain multiplications of
2349         parameters.
2350         (stmt_has_simple_data_refs_p): New.
2351         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2352         (is_simple_operand): Fix formatting.
2353         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2354
2355 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * gcc.dg/graphite/id-13.c: New.
2358         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2359         analyze_scalar_evolution, use scalar_evolution_in_region.
2360         (scan_tree_for_params_right_scev): Add extra assert.
2361         (parameter_index_in_region_1): Split from parameter_index_in_region.
2362         (idx_record_params): Use scalar_evolution_in_region.
2363         (find_params_in_bb): Same.
2364         (find_scop_parameters): Same.
2365         (build_loop_iteration_domains): Same.
2366         (create_linear_expr_from_tree): Same.
2367         * sese.c (scalar_evolution_in_region): New.
2368         * sese.h (scalar_evolution_in_region): Declared.
2369         (defined_in_sese_p): New.
2370         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2371         static anymore.
2372         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2373         Declared.
2374
2375 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2378         TREE_DATA_REF_H also implies SCEV_H.
2379
2380 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2381
2382         * graphite-poly.c (print_scop_params): New.
2383         (print_scop): Call print_scop_params.
2384         (debug_scop_params): New.
2385         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2386
2387 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2388
2389         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2390         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2391         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2392         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2393         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2394         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2395
2396 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2397
2398         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2399         for dependency checking part.
2400         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2401         tests for dependency checking.
2402         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2403         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2404         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2405         flag -fdump-tree-graphite-all for autopar testsuites.
2406
2407 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2410         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2411         canonicalize_loop_ivs): Moved...
2412         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2413
2414 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2415
2416         * tree-parloops.c (try_create_reduction_list): Pass an extra
2417         argument analyzed_reductions.  Call analyze_reduction_list.
2418         (gen_parallel_loop): Do not call analyze_reduction_list.
2419         (parallelize_loops): Init and finalize analyzed_reductions.
2420
2421 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2422
2423         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2424         Added flag -fno-loop-strip-mine for autopar testcase.
2425
2426 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2427
2428         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2429         transformed scattering dimension instead of unmatch orignal when
2430         calling dependence_polyhedron.
2431
2432 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2435
2436 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2439         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2440
2441 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2444         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2445         * graphite-poly.c (pbb_number_of_iterations): New.
2446         * graphite-poly.h (pbb_number_of_iterations): Declared.
2447         (pbb_iterator_dim, pbb_parameter_dim): New.
2448
2449 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2452         last commit on type of lower and upper bound of loops.
2453
2454 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2455
2456         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2457         graphite-dependences.h.
2458         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2459         (mark_bb_with_pbb): New.
2460         (get_stmtfor_depth): New.
2461         (find_pbb_via_hash): New.
2462         (dependency_in_loop_p): New.
2463         (mark_loops_parallel): New.
2464         (free_aux_in_new_loops): New.
2465         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2466         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2467         innermost loop parallel without checking.
2468         (gloog): Add parameter BB_PBB_MAPPING.
2469         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2470         (gloog): Change declaration.
2471         (mark_loop_parallel): Make extern.
2472         (free_aux_in_new_loops): Declare.
2473         (bb_pbb_map_hash): New.
2474         (eq_bb_pbb_map): New.
2475         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2476         auto parallelization when flag_graphite_force_parallel is set.
2477         (graphite_finalize): Added free_aux_in_new_loops.
2478         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2479         the innermost loop that marked parallel.  Use
2480         flag_graphite_force_parallel instead of loop->can_be_parallel.
2481         (loop_parallel_p): Move inner most checking out of function.
2482
2483 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2486         type of lower and upper bound of loops signed long int.
2487
2488 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2491         expression outside the loop.
2492
2493 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * gcc.dg/graphite/interchange-8.c: New.
2496
2497 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * gcc.dg/graphite/interchange-0.c: XFailed.
2500         * gcc.dg/graphite/interchange-5.c: XFailed.
2501         * gcc.dg/graphite/interchange-6.c: XFailed.
2502
2503 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2504
2505         * graphite-interchange.c (compute_array_size_poly): The end of the
2506         recursion should return 1.
2507
2508 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * graphite-interchange.c (compute_array_size_cstr): Allow the
2511         subscript multiplier to be -1.
2512         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2513         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2514         data_container.  Initializes PDR_DATA_CONTAINER.
2515         (print_pdr_access_layout): New.
2516         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2517         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2518         data_container.
2519         (PDR_DATA_CONTAINER): New.
2520         (new_poly_dr): Update declaration.
2521         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2522         (build_poly_dr): Call pdr_add_data_dimensions.
2523
2524 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * graphite-poly.h (struct poly_dr): Fix comment.
2527         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2528         (pdr_add_memory_accesses): New.
2529         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2530
2531 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2534         (print_pbb): Add call to print_pdrs.
2535         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2536
2537 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2538             Li Feng <nemokingdom@gmail.com>
2539
2540         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2541         (dependency_between_pbbs_p): New.
2542         (lexicographically_gt_p): Assure !empty_p before polyhedron
2543         intersection assign.
2544         (build_lexicographically_gt_constraint): Correct lexicographically
2545         judging.
2546         * graphite-dependences.h: New.
2547         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2548
2549 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2552         (gloog): Print to dump_file the generated clast.
2553         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2554         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2555
2556 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2557
2558         * graphite-poly.c (extend_scattering): Increment
2559         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2560
2561 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-interchange.c (compute_array_size_poly): Added exit of
2564         recursion condition.  Continue iterating even after the first equality.
2565         (compute_array_size): Same.
2566
2567 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2568
2569         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2570         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2571         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2572         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2573         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2574
2575 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2576
2577         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2578         only when the use verifies is_gimple_reg.
2579
2580 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2583         Allocate scaldims after call to unify_scattering_dimensions.
2584
2585 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2588
2589 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2590             Albert Cohen  <albert.cohen@inria.fr>
2591
2592         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2593         variables for the strip mining.
2594
2595 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2596             Pranav Garg  <pranav.garg2107@gmail.com>
2597
2598         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2599         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2600         (graphite-blocking.o): New rule.
2601         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2602         * graphite-blocking.c: New.
2603         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2604         flag_loop_strip_mine.
2605         (psct_scattering_dim_for_loop_depth): New.
2606         * graphite-poly.h (scop_do_strip_mine): Declared.
2607         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2608         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2609         flag_loop_strip_mine.
2610
2611 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2612
2613         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2614         a GMP value and a PPL coefficient at each iteration of a loop.
2615
2616 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2617
2618         * graphite-dependences.c (dependence_polyhedron): Do not use
2619         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2620         pbb_nb_scattering_transform.
2621         (graphite_legal_transform_dr): Same.
2622         * graphite-poly.c (extend_scattering): Same.
2623         (unify_scattering_dimensions): Same.
2624         (print_scattering_function): Same.
2625         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2626         PBB_NB_LOCAL_VARIABLES.
2627         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2628         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2629         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2630         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2631         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2632         (pbb_nb_scattering_transform): New.
2633         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2634         (psco_scattering_dim): Add assert on parameters.
2635         (psct_scattering_dim): Same.
2636         (psct_scattering_dim_for_loop_depth): Declared.
2637         (psct_local_var_dim): New.
2638         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2639         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2640         correct layout, call pbb_nb_local_vars.
2641         (psct_add_local_variable, psct_add_scattering_dimension): New.
2642         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2643         Initialize PBB_NB_SCATTERING_TRANSFORM.
2644
2645 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2648         (set_coef): Renamed ppl_set_coef.
2649         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2650
2651 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2654         test a boolean against 1.
2655         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2656         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2657         (pbb_do_interchange): Returns true when a transform has been performed.
2658         (scop_do_interchange): Same.
2659         * graphite-poly.c (apply_poly_transforms): Use the return value of
2660         scop_do_interchange.
2661         * graphite-poly.h (scop_do_interchange): Update declaration.
2662
2663 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2664
2665         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2666         after last use.
2667         * sese.c (sese_reset_aux_in_loops): New.
2668         * sese.h (sese_reset_aux_in_loops): New.
2669
2670 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2673         multiplier and multiply the constant by the multiplier.
2674         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2675         (build_poly_dr): Do not use the multiplier to define the subscript.
2676
2677 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2680         compiler's data reference.  Initialize PDR_CDR.
2681         (print_pdr): Call dump_data_reference.
2682         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2683         Add compiler_dr field.
2684         (PDR_BB): Renamed PDR_PBB.
2685         (PDR_CDR): New.
2686         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2687         GCC's data reference representation.
2688         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2689         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2690
2691 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * graphite-poly.c (print_scattering_function): Also print the layout.
2694         * graphite-poly.h (pbb_nb_local_vars): New.
2695
2696 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2699
2700 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * graphite-poly.c (print_pdr, debug_pdr): New.
2703         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2704         (PDR_BASE): Removed.
2705
2706 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2709         ltrans-{1..6,8}.c.
2710
2711 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2714         subscript identification column.
2715         (pbb_do_interchange): Print to dump_file that some loops "will be
2716         interchanged".  Rely on that chain of characters in the testcases.
2717         * gcc.dg/graphite/interchange-0.c: New.
2718         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2719         interchange-*.c files and compile them with -floop-interchange.
2720
2721 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2722
2723         * graphite-interchange.c (interchange_profitable_p): Renamed
2724         pbb_interchange_profitable_p.
2725
2726 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2727             Harsha Jagasia  <harsha.jagasia@amd.com>
2728             Pranav Garg  <pranav.garg2107@gmail.com>
2729
2730         * graphite-interchange.c (interchange_profitable_p): Make static.
2731         (pbb_interchange_loop_depths, pbb_do_interchange,
2732         scop_do_interchange): New.
2733         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2734         for flag_loop_interchange.
2735         * graphite-poly.h (scop_do_interchange): Declared.
2736         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2737         flag_loop_interchange is used.
2738
2739 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * graphite-dependences.c (dependence_polyhedron): Update use of
2742         pbb_nb_scattering_dims.
2743         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2744         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2745         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2746         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2747
2748 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite.c: Cleanup foo.
2751
2752 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * Merge from mainline (r143684:148293).
2755         * Disabled libpcp until it gets fixed.
2756
2757 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2758             Harsha Jagasia  <harsha.jagasia@amd.com>
2759
2760         * graphite-interchange.c: New.
2761         * Makefile.in (graphite-interchange.o): New.
2762         * graphite-poly.h (interchange_profitable_p): Declared.
2763         * graphite-ppl.h (value_max): New.
2764
2765 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2768         * graphite-poly.h: Fix some comments.
2769         (pdr_dim): New.
2770         (pdr_scop): New.
2771
2772 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * graphite-poly.h
2775         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2776         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2777         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2778         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2779         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2780         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2781         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2782         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2783         * graphite-clast-to-gimple.c: Same.
2784         * graphite-dependences.c: Same.
2785         * graphite-poly.c: Same.
2786         * graphite-sese-to-poly.c: Same.
2787
2788 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2791         expressions for an IV rename, as returned by clast_to_gcc_expression.
2792         (copy_renames): Rename new_name to expr.
2793         * sese.c (debug_rename_elt): Same.
2794         (get_rename): Same.
2795         (set_rename): Same.
2796         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2797         the information from the rename map.
2798         (rename_variables_in_stmt): Same.
2799         (add_loop_exit_phis): Rename new_name to expr.
2800         (insert_loop_close_phis): Same.
2801         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2802         * sese.h (struct rename_map_elt): Rename new_name to expr.
2803         (new_rename_map_elt): Same.
2804
2805 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2808         * sese.c (set_rename): Make it extern.
2809         * sese.h (set_rename): Declared.
2810
2811 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2812
2813         * graphite-poly.c (extend_scattering): Free values.
2814         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2815         Free iterators.
2816         (ppl_print_powerset_matrix): Same.
2817         * graphite-scop-detection.c (free_scops_1): New.
2818         (limit_scops): Call free_scops_1.
2819         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2820         (build_poly_dr): Free PPL coefficients.
2821         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2822
2823 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2824
2825         * graphite-dependences.c: New.
2826         * graphite-data-ref.c: Removed.
2827         * graphite-data-ref.h: Removed.
2828         * Makefile.in (graphite-data-ref.o): Removed.
2829         (graphite-dependences.o): Added.
2830         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2831         * graphite-poly.c: Same.
2832         Move the data dependence testing to graphite-dependences.c.
2833
2834 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2835
2836         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2837         from graphite_cannot_represent_loop. Code refactored.
2838         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2839
2840 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2841
2842         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2843         Cover all the testcases (not only the filtered ones).
2844
2845 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2846
2847         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2848         unnecessary check. Update comments. Move check for REAL_TYPE here.
2849         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2850         done in (stmt_simple_for_scop_p).
2851
2852 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2853
2854         * graphite.c (print_global_statistics): New.
2855         (print_graphite_scop_statistic): New.
2856         (print_graphite_statistics): New.
2857         (graphite_initialize, graphite_transform_loops): Print statistics.
2858         * graphite-scop-detection (build_scops): Print statistics.
2859         (print_graphite_scop_statistics): New.
2860         (print_graphite_statistics): New.
2861
2862 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2863
2864         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2865         (debug_clast_name_index): Removed.
2866         (debug_clast_name_indexes_1): Removed.
2867         (debug_clast_name_indexes): Removed.
2868         (clast_name_index_elt_info): Removed.
2869         (eq_clast_name_indexes): Removed.
2870         (clast_name_to_index): Removed.
2871         (new_clast_name_index): Removed.
2872         (save_clast_name_index): Removed.
2873         (save_var_name): Moved...
2874         (init_sese_params_index): Removed.
2875         (clast_name_to_gcc): Remove use of name_tree.
2876         (initialize_cloog_names): Same.
2877         (gloog): Do not call init_sese_params_index.
2878         * graphite-sese-to-poly.c (save_var_name): ...here.
2879         (parameter_index_in_region): New.
2880         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2881         (parameter_index_in_region): Removed.
2882         (is_parameter): Remove use of name_tree.
2883         * sese.h (struct name_tree): Removed.
2884         (struct sese): Remove use of name_tree.  New field params_names.
2885         (SESE_PARAMS_NAMES): New.
2886         (SESE_PARAMS): Remove duplicate.
2887         (parameter_index_in_region): Removed.
2888         (sese_nb_params): Remove use of name_tree.
2889         (struct clast_name_index): New.
2890         (new_clast_name_index): New.
2891         (clast_name_to_index): New.
2892         (save_clast_name_index): New.
2893         (debug_clast_name_index): New.
2894         (debug_clast_name_indexes_1): New.
2895         (debug_clast_name_indexes): New.
2896         (clast_name_index_elt_info): New.
2897         (eq_clast_name_indexes): New.
2898
2899 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2902         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2903         (graphite_loop_normal_form): Do not pass region.  Do not
2904         initialize SESE_OLDIVS.
2905         (build_graphite_loop_normal_form): Update call to
2906         graphite_loop_normal_form.
2907         * sese.c (debug_oldivs): Removed.
2908         (new_sese): Do not initialize SESE_OLDIVS.
2909         (free_sese): Do not free SESE_OLDIVS.
2910         (oldiv_for_loop): Removed.
2911         * sese.h (struct sese): Remove old_ivs.
2912         (SESE_OLDIVS): Removed.
2913         (oldiv_for_loop): Removed.
2914
2915 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2916
2917         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2918         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2919         replaced by a call to newivs_to_depth_to_newiv.
2920         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2921         (clast_to_gcc_expression_red): Same.
2922         (gcc_type_for_clast_expr): Same.
2923         (gcc_type_for_clast_eq): Same.
2924         (graphite_translate_clast_equation): Same.
2925         (graphite_create_guard_cond_expr): Same.
2926         (graphite_create_new_guard): Same.
2927         (graphite_create_new_loop): Same.
2928         (build_iv_mapping): Same.
2929         (translate_clast): Same.
2930         (gloog): Same.
2931         (loop_iv_stack_patch_for_consts): Removed.  *
2932         sese.c (iv_stack_entry_is_constant): Removed.
2933         (iv_stack_entry_is_iv): Removed.
2934         (loop_iv_stack_push_iv): Removed.
2935         (loop_iv_stack_insert_constant): Removed.
2936         (loop_iv_stack_pop): Removed.
2937         (loop_iv_stack_get_iv): Removed.
2938         (loop_iv_stack_get_iv_from_name): Removed.
2939         (debug_loop_iv_stack): Removed.
2940         (free_loop_iv_stack): Removed.
2941         (loop_iv_stack_remove_constants): Removed.  *
2942         sese.h (iv_stack_entry_kind): Removed.
2943         (iv_stack_entry_data_union): Removed.
2944         (iv_stack_entry_struct): Removed.
2945         (iv_stack_entry_p): Removed.
2946         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2947         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2948         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2949         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2950         (gbb_loop_at_index): Fix indenting.
2951         (gbb_loop_index): Removed.
2952
2953 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2954
2955         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2956         Call clast_name_to_index.
2957
2958 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2959
2960         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2961         do not pass params.  Get params from SESE_PARAMS.
2962         (clast_to_gcc_expression): Same.
2963         (clast_to_gcc_expression_red): Same.
2964         (gcc_type_for_clast_eq): Same.
2965         (graphite_translate_clast_equation): Same.
2966         (graphite_create_new_loop): Same.
2967         * sese.c (rename_variables_in_stmt): Fix comment.
2968
2969 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2972         newivs_index.
2973         Call save_clast_name_index.
2974         (translate_clast): Pass newivs_index.
2975         (gloog): Create and free newivs_index.
2976
2977 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2980         (clast_name_index_p): New type.
2981         (debug_clast_name_index): New.
2982         (debug_clast_name_indexes_1): New.
2983         (debug_clast_name_indexes): New.
2984         (clast_name_index_elt_info): New.
2985         (eq_clast_name_indexes): New.
2986         (clast_name_to_index): New.
2987         (new_clast_name_index): New.
2988         (save_clast_name_index): New.
2989         (init_sese_params_index): New.
2990         (gloog): Call init_sese_params_index.
2991         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2992         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2993         (free_sese): Free SESE_PARAMS_INDEX.
2994         * sese.h (struct sese): Add params_index.
2995         (SESE_PARAMS_INDEX): New.
2996
2997 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3000         (graphite_create_new_loop): Pass the newivs vector.  Push the
3001         newly created IV to newivs.
3002         (translate_clast): Pass the newivs vector.
3003         (gloog): Create and destroy the newivs vector.
3004
3005 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3006
3007         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3008         (graphite_loop_normal_form): Initialize loop->aux with the unique
3009         IV that has been created.
3010
3011 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3012
3013         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3014         scev with parameters in the base part. They where forbidden
3015         exidently.
3016
3017 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3018
3019         * gcc.dg/graphite/graphite.exp: Set different default
3020         compile options by file names.
3021         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3022         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3023         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3024         * gcc.dg/graphite/scop-matmult.c: Ditto.
3025
3026 2009-05-08  Li Feng <nemokingdom@gmail.com>
3027
3028         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3029         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3030         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3031         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3032
3033 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3034
3035         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3036         by final cleanup.
3037
3038 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3039
3040         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3041         allow integer constant strides.
3042         (graphite_can_represent_expr): Depend on outermost_loop.
3043         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3044         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3045         build_scops_1): Same.
3046         (scopdet_basic_block_info): Same and insert layered SCoP
3047         detection.
3048         (try_generate_gimple_bb): Cleanup.
3049         (build_scops): Enable data references.
3050
3051         * gcc.dg/graphite/id-5.c: New.
3052         * gcc.dg/graphite/id-9.c: New.
3053         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3054         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3055
3056 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3057
3058         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3059         that we have not yet built for this SCoP.
3060
3061 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3062
3063         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3064         for complex numbers.
3065
3066 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3067
3068         * graphite-ppl.c: Fix build if cloog is not available.
3069
3070 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3071
3072         * tree-parloops.c (loop_parallel_p): Remove construction of
3073         NITER and REDUCTION_LIST.
3074         (try_get_loop_niter): New.
3075         (try_create_reduction_list): New.
3076         (parallelize_loops): Bypass the failed checkings in autopar
3077         when can_be_parallel in loop structure is set to true.
3078
3079 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3080
3081         * gcc.dg/graphite/id-6.c: Update testcase.
3082         * gcc.dg/graphite/scop-3.c: Dito.
3083
3084 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3085
3086         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3087         Enable EQ_EXPR and NE_EXPR again.
3088
3089 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3090
3091         * graphite-scop-detection.c (graphite_can_represent_scev):
3092         Add check if scev is affine multivariate.
3093         (harmful_stmt_in_bb): Check if we can represent the conditions.
3094         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3095         harmful_stmt_in_bb.
3096         * gcc.dg/graphite/id-7.c: New.
3097
3098 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3099
3100         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3101         Check all bbs in region, not only the bbs that are represented in
3102         GRAPHITE.
3103         (build_poly_scop): Add newline.
3104         * gcc.dg/graphite/id-8.c: New.
3105
3106 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3107
3108         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3109         when loop initialize.
3110         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3111         * common.opt: Declare flag_graphite_force_parallel.
3112         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3113         loop parallel.
3114         * graphite-poly.c (apply_poly_transforms): Introduce
3115         flag_graphite_force_parallel.
3116         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3117         * toplev.c (process_options): ditto and replace a not correctly
3118         encoded space.
3119
3120 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3121
3122         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3123         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3124         to the redefinition.
3125         (compute_cloog_iv_types_1): ditto.
3126         (build_iv_mapping): ditto.
3127         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3128         initialization.
3129         (free_gimple_bb): Removed GBB_LOOPS related free part.
3130         (build_bb_loops): Removed.
3131         * sese.h (struct gimple_bb): Removed loops.
3132         (GBB_LOOPS): Removed.
3133         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3134         (gbb_loop_index): ditto.
3135
3136 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3137
3138         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3139         allow non constant strides.
3140         * gcc.dg/graphite/scop-20.c: New.
3141
3142 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3143
3144         * graphite-scop-detection.c (dot_all_scops): Fix system call
3145         return value warning.
3146         (dot_scop): Same.
3147
3148 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * gcc.dg/graphite/id-6.c: Fix pattern.
3151         * gcc.dg/graphite/scop-3.c: Same.
3152
3153 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3156         build_pairwise_constraint, dr_equality_constraints,
3157         build_pairwise_scheduling_equality,
3158         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3159         build_lexicographically_gt_constraint, dependence_polyhedron,
3160         graphite_legal_transform_dr, graphite_legal_transform_bb,
3161         graphite_legal_transform): New.
3162         * graphite-poly.h (graphite_legal_transform): Declared.
3163         * graphite-sese-to-poly.c (build_poly_scop): Call to
3164         graphite_legal_transform is disabled for the moment.
3165
3166 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite-poly.h (pbb_nb_scattering_dims): New.
3169         (pbb_nb_scattering): Use it.
3170
3171 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3174         Pointset_Powerset version of ppl_insert_dimensions.
3175         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3176
3177 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3178
3179         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3180
3181 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-poly.h: Fix comment.
3184
3185 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3186
3187         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3188
3189 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3190
3191         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3192         statements.
3193
3194 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3195
3196         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3197         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3198         conditions.
3199
3200 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3203         handle EQ_EXPR and NE_EXPR.
3204
3205 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3206
3207         * graphite-poly.h (poly_dr): Fix comment.
3208
3209 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3210             Tobias Grosser  <grosser@fim.uni-passau.de>
3211
3212         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3213         with a zero dimension polyhedron.
3214         (find_scop_parameters): Move the call to scop_set_nb_params here.
3215         (build_loop_iteration_domains): Store in loop->aux the iteration
3216         domain polyhedron.
3217         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3218         by any loop in scop.
3219         (build_poly_scop): Do not call scop_set_nb_params.
3220
3221 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3222             Tobias Grosser  <grosser@fim.uni-passau.de>
3223
3224         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3225         add_condition_to_domain not GT_EXPR.
3226
3227 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3228
3229         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3230         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3231         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3232         upper_bound_assign to calculate unions.
3233         * gcc.dg/graphite/id-6.c: New.
3234
3235 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3236
3237         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3238         handle abnormal edges.
3239
3240 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3241
3242         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3243         (free_poly_bb): Also free poly_drs.
3244         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3245         (poly_dr): Polyhedron to Pointset_Powerset.
3246         (pdr_accessp_nb_subscripts): Same.
3247         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3248         poly_drs.
3249
3250 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3253         names into more meaningful names.
3254
3255 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3256
3257         * gfortran.dg/graphite/interchange-1.c: New.
3258         * gfortran.dg/graphite/interchange-2.c: New.
3259
3260 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3263         the reduction_list.
3264         * tree-parloops.c (rewrite_phi_with_iv): New.
3265         (rewrite_all_phi_nodes_with_iv): New.
3266         (canonicalize_loop_ivs): Call them.
3267
3268 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3269
3270         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3271         graphite_find_data_references_in_stmt.
3272         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3273         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3274
3275 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3278
3279 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3282         instead of bb_in_region.
3283         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3284         (build_sese_conditions): Use flag_bb_in_sese.
3285         * sese.c (register_bb_in_sese): Removed.
3286         (new_sese): Remove initialization of SESE_REGION_BBS.
3287         (free_sese): Do not free SESE_REGION_BBS.
3288         * sese.h (struct sese): Remove field region_basic_blocks.
3289         (SESE_REGION_BBS): Removed.
3290         (bb_in_sese_p): Implement in function of bb_in_region.
3291
3292 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3295         loops.
3296
3297 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3298
3299         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3300         and EQ_EXPR.
3301         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3302         (add_condition_to_domain): New.
3303         (add_condition_to_pbb): New.
3304         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3305         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3306
3307 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3308
3309         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3310         ppl_Pointset_Powerset.
3311         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3312         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3313         (pbb_nb_loops): Same.
3314         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3315         add_conditions_to_domain): Same.
3316         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3317         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3318         ppl_const_Polyhedron_t.
3319         (ppl_print_powerset_matrix): New.
3320         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3321         ppl_print_powerset_matrix): New.
3322         (ppl_print_polyhedron_matrix): Updated.
3323
3324 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3325
3326         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3327
3328 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3331         (print_iteration_domains, debug_iteration_domain,
3332         debug_iteration_domains): New.
3333         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3334         debug_iteration_domains): Declared.
3335         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3336         indenting.
3337
3338 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3339             Sebastian Pop  <sebastian.pop@amd.com>
3340
3341         * graphite-poly.h (print_iteration_domain): New.
3342         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3343         (build_sese_conditions_1, build_sese_conditions_after,
3344         build_sese_conditions_before): New.
3345         (build_sese_conditions): Rewritten.
3346
3347 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3348             Tobias Grosser  <grosser@fim.uni-passau.de>
3349
3350         Cleanup of code generation liveouts.
3351         * graphite-clast-to-gimple.c (translate_clast): Use a single
3352         rename_map instead of one per translated statement.
3353         Do not use SESE_LIVEOUT_RENAMES.
3354         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3355         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3356         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3357         phi node of a reduction: when a loop contains a reduction used outside
3358         the loop, there should be a scalar close phi node on the exit block.
3359         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3360         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3361         (free_sese): Do not free them.
3362         (sese_build_liveouts_use): Do not use them.
3363         (sese_build_liveouts_bb): Same.
3364         (sese_build_liveouts): Same.
3365         (sese_insert_phis_for_liveouts): Same.
3366         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3367         (defined_in_loop_p): New.
3368         (alive_after_loop): New.
3369         (close_phi_not_yet_inserted_p): New.
3370         (struct alep, alep_p): New.
3371         (add_loop_exit_phis): Remove from the rename_map all the names defined
3372         in the code generated loop.
3373         (insert_loop_close_phis): Traverse the rename_map passed to it.
3374         Don't use SESE_LIVEOUT_RENAMES.
3375         (default_liveout_before_guard): Renamed default_before_guard.
3376         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3377         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3378         (register_sese_liveout_renames): Removed.
3379         (copy_bb_and_scalar_dependences): Do not call it.
3380         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3381         reduction_list.
3382         (SESE_LIVEOUT): Removed.
3383         (SESE_LIVEOUT_RENAMES): Removed.
3384         (SESE_REDUCTION_LIST): Removed.
3385         (sese_build_liveouts): Removed.
3386         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3387         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3388         (insert_guard_phis): Same.
3389         (rename_map_elt): Declare a VEC of them.
3390         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3391         trees not pointers to trees.
3392
3393         Rewrite in canonical close SSA form:
3394         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3395         (limit_scops): Close the scop after the block containing the close phi
3396         nodes.
3397         (canonicalize_loop_closed_ssa): New.
3398         (canonicalize_loop_closed_ssa_form): New.
3399         (build_scops): Call canonicalize_loop_closed_ssa_form.
3400
3401         * graphite-sese-to-poly.c: Fix typos.
3402
3403 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3404
3405         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3406         Extended.
3407         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3408         (print_pbb): Add conditions.
3409
3410 2009-04-