gcc/ChangeLog.graphite

   1 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
   4         in loop->header.
   5         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
   6         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
   7         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
   8         to switch between adding the IV bump in loop->latch or in loop->header.
   9
  10 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * passes.c (init_optimization_passes): Add pass_copy_prop
  13         after Graphite.
  14
  15 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-poly.c (print_scattering_function): Pretty print following
  18         the scoplib format.
  19         (print_pdr): Same.
  20         (print_pbb_domain): Same.
  21         (dump_gbb_cases): Same.
  22         (dump_gbb_conditions): Same.
  23         (print_pdrs): Same.
  24         (print_pbb): Same.
  25         (print_scop_params): Same.
  26         (print_scop_context): Same.
  27         (print_scop): Same.
  28         (print_pbb_body): New.
  29         (lst_indent_to): New.
  30         (print_lst): Start new lines with a #.
  31         * graphite-poly.h (pbb_bb): New.
  32         (pbb_index): Use pbb_bb.
  33         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
  34         disjuncts.
  35         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
  36
  37 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         PR middle-end/43351
  40         * gcc.dg/graphite/id-pr43351.c
  41
  42 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR middle-end/43354
  45         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
  46         call insert_out_of_ssa_copy for default definitions.
  47         * gfortran.dg/graphite/id-pr43354.f: New.
  48
  49 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         PR middle-end/43349
  52         * gfortran.dg/graphite/pr43349.f: New.
  53
  54 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-clast-to-gimple.c (my_long_long): Defined.
  57         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
  58         * graphite-sese-to-poly.c (my_long_long): Defined.
  59         (scop_ivs_can_be_represented): Use it.
  60
  61 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
  64         graphite-max-bbs-per-function, and loop-block-tile-size.
  65         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
  66         with "maximum".
  67         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
  68
  69 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
  72         forward declaration.
  73         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
  74         (add_upper_bounds_from_estimated_nit): New.
  75         (build_loop_iteration_domains): Use it.
  76
  77 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
  80
  81 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/43306
  84         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
  85         should be an INTEGER_CST.  Also handle CASE_CONVERT.
  86         * gcc.dg/graphite/pr43306.c: New.
  87
  88 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * graphite.c (graphite_initialize): To bound the number of bbs per
  91         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
  92         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
  93         * doc/invoke.texi: Document it.
  94
  95 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
  98         * graphite-sese-to-poly.h (build_poly_scop): Same.
  99
 100 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 103         the number of parameters in the scop.  Use as an upper bound
 104         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 105         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 106         * doc/invoke.texi: Document it.
 107
 108 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         * graphite-sese-to-poly.c (add_param_constraints): Use
 111         lower_bound_in_type and upper_bound_in_type.
 112
 113 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 116         instead of unsigned_type_node.
 117
 118 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 119             Reza Yazdani  <reza.yazdani@amd.com>
 120
 121         PR middle-end/43065
 122         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 123         on pointer type parameters.
 124
 125         * gcc.dg/graphite/run-id-4.c: New.
 126
 127 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         PR middle-end/43065
 130         * gcc.dg/graphite/run-id-3.c: New.
 131
 132 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 133             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 134
 135         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 136         handle conversions from pointer to integers.
 137         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 138         induction variable, to be able to work with code generated by CLooG.
 139         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 140         (build_poly_scop): Bail out if we cannot codegen a loop.
 141
 142 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 143
 144         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 145         code generation with gloog_error.
 146
 147 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 150         Call fold_convert on all the returned values.
 151         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 152         the type of the resulting expression.
 153
 154 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 157         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 158         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 159
 160 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 161
 162         * graphite-dependences.c (map_into_dep_poly): Removed.
 163         (dependence_polyhedron_1): Use combine_context_id_scat.
 164
 165 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 168         (struct poly_bb): Same.
 169         (combine_context_id_scat): New.
 170
 171 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 172
 173         PR middle-end/42326
 174         * sese.c (name_defined_in_loop_p): Return false for default
 175         definitions.
 176
 177         * gcc.dg/graphite/pr42326.c: New.
 178
 179 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 182         and clean up the logic.
 183
 184 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 187         early return.
 188
 189 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         PR middle-end/43083
 192         * graphite-scop-detection.c (create_single_exit_edge): Move
 193         the call to find_single_exit_edge to....
 194         (create_sese_edges): ...here.  Don't handle multiple edges
 195         exiting the function.
 196         (build_graphite_scops): Don't handle multiple edges
 197         exiting the function.
 198
 199         * gcc.dg/graphite/pr43083.c: New.
 200
 201 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         PR middle-end/43097
 204         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 205         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 206
 207         * gfortran.dg/graphite/pr43097.f: New.
 208
 209 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 210             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 211
 212         PR middle-end/43140
 213         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 214
 215 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 216
 217         PR middle-end/43026
 218         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 219
 220         * g++.dg/graphite/pr43026.C: New.
 221
 222 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 223
 224         * Merge from mainline (154736:156693).
 225
 226 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         PR middle-end/43012
 229         * gcc.dg/graphite/pr43012.c: New.
 230
 231 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 234 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * g++.dg/graphite/pr42930.C: New.
 237
 238 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 239
 240         PR middle-end/42930
 241         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 242         graphite_can_represent_init for MULT_EXPR.
 243
 244 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 245
 246         PR middle-end/42914
 247         PR middle-end/42530
 248         * graphite-sese-to-poly.c (remove_phi): New.
 249         (translate_scalar_reduction_to_array): Call remove_phi.
 250
 251         * gcc.dg/graphite/pr42530.c: New.
 252         * gcc.dg/graphite/pr42914.c: New.
 253
 254 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         PR middle-end/42771
 257         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 258         * graphite-clast-to-gimple.h (gloog): Update declaration.
 259         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 260         * graphite-poly.h (struct poly_bb): Add missing comments.
 261         (struct scop): Add poly_scop_p field.
 262         (POLY_SCOP_P): New.
 263         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 264         * graphite.c (graphite_transform_loops): Build the polyhedral
 265         representation for each scop before code generation.
 266         * sese.c (rename_variables_in_operand): Removed.
 267         (rename_variables_in_expr): Return the renamed expression.
 268         (rename_sese_parameters): New.
 269         * sese.h (rename_sese_parameters): Declared.
 270
 271         * gcc.dg/graphite/pr42771.c: New.
 272
 273 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 276         return 0 from main.
 277         * gcc.dg/graphite/block-1.c: Same.
 278         * gcc.dg/graphite/block-3.c: Same.
 279         * gcc.dg/graphite/block-4.c: Same.
 280         * gcc.dg/graphite/block-5.c: Same.
 281         * gcc.dg/graphite/block-6.c: Same.
 282         * gcc.dg/graphite/block-7.c: Same.
 283         * gcc.dg/graphite/interchange-0.c: Same.
 284         * gcc.dg/graphite/interchange-1.c: Same.
 285         * gcc.dg/graphite/interchange-10.c: Same.
 286         * gcc.dg/graphite/interchange-11.c: Same.
 287         * gcc.dg/graphite/interchange-12.c: Same.
 288         * gcc.dg/graphite/interchange-2.c: Same.
 289         * gcc.dg/graphite/interchange-3.c: Same.
 290         * gcc.dg/graphite/interchange-4.c: Same.
 291         * gcc.dg/graphite/interchange-5.c: Same.
 292         * gcc.dg/graphite/interchange-6.c: Same.
 293         * gcc.dg/graphite/interchange-7.c: Same.
 294         * gcc.dg/graphite/interchange-8.c: Same.
 295         * gcc.dg/graphite/interchange-9.c: Same.
 296         * gcc.dg/graphite/interchange-mvt.c: Same.
 297
 298 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 299
 300         * gfortran.dg/graphite/id-19.f: New.
 301         * gfortran.dg/graphite/pr14741.f90: New.
 302         * gfortran.dg/graphite/pr41924.f90: New.
 303         * gfortran.dg/graphite/run-id-2.f90: New.
 304
 305 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         PR middle-end/42988
 308         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 309         to unknown_dependence.
 310         (graphite_legal_transform_dr): Handle the unknown_dependence.
 311         (graphite_carried_dependence_level_k): Same.
 312
 313 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 316
 317 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 318             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 319
 320         PR middle-end/42637
 321         * graphite-dependences.c (build_lexicographical_constraint): Return
 322         a union of dependence polyhedra.
 323         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 324
 325         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 326         * gcc.dg/graphite/block-4.c: Same.
 327         * gcc.dg/graphite/block-7.c: Same.
 328         * gcc.dg/graphite/interchange-12.c: Same.
 329         * gcc.dg/graphite/interchange-mvt.c: Same.
 330         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 331         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 332         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 333
 334 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 337         the execution check to FAIL.  This testcase is miscompiled by Graphite
 338         and the check should be re-enabled.
 339         * gcc.dg/graphite/interchange-mvt.c: Same.
 340         * gcc.dg/graphite/block-0.c: Same.
 341         * gcc.dg/graphite/block-4.c: Same.
 342         * gcc.dg/graphite/block-7.c: Same.
 343
 344 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 347         * gcc.dg/graphite/scop-0.c: Fix spaces.
 348         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 349         * gfortran.dg/graphite/block-2.f: Same.
 350         * gfortran.dg/graphite/block-3.f90: Same.
 351         * gfortran.dg/graphite/block-4.f90: Same.
 352         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 353         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 354
 355 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 358         PDDR_ORIGINAL_SCATTERING_P.
 359         (pddr_is_empty): Rewritten.
 360         (print_dependence_polyhedron_layout): New.
 361         (print_pddr): New.
 362         (debug_pddr): New.
 363         (build_alias_set_powerset): Moved up.
 364         (poly_drs_may_alias_p): Moved up.
 365         (lexicographically_gt_p): Removed.
 366         (build_lexicographically_gt_constraint): Renamed
 367         build_lexicographical_constraint, reimplemented.
 368         (dependence_polyhedron_1): Simplified parameters.
 369         (dependence_polyhedron): Same.  Keep along empty PDDRs
 370         to make efficient use of the cache.
 371         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 372         (graphite_legal_transform_dr): Rewritten.
 373         (graphite_legal_transform_bb): Pass fewer arguments to
 374         graphite_legal_transform_dr.
 375         (graphite_carried_dependence_level_k): Simplified implementation.
 376         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 377         (dot_transformed_deps_stmt_1): Same.
 378         (dot_original_deps): Same.
 379         (dot_transformed_deps): Same.
 380         * graphite-dependences.h (struct poly_ddr): Added a new field
 381         original_scattering_p.
 382         (PDDR_ORIGINAL_SCATTERING_P): New.
 383         (print_pddr): Declared.
 384         (debug_pddr): Declared.
 385         * graphite-ppl.c: Clarify comment.
 386         * sese.h (print_gimple_bb): Removed unused declaration.
 387         (debug_gbb): Same.
 388
 389 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 390
 391         * g++.dg/graphite/graphite.exp: Rewritten.
 392         * gcc.dg/graphite/graphite.exp: Rewritten.
 393         * gfortran.dg/graphite/graphite.exp: Rewritten.
 394         * gcc.dg/graphite/block-0.c: Added runtime test.
 395         * gcc.dg/graphite/block-1.c: Same.
 396         * gcc.dg/graphite/block-3.c: Same.
 397         * gcc.dg/graphite/block-4.c: Same.
 398         * gcc.dg/graphite/block-5.c: Same.
 399         * gcc.dg/graphite/block-6.c: Same.
 400         * gcc.dg/graphite/block-7.c: Same.
 401         * gcc.dg/graphite/interchange-0.c: Same.
 402         * gcc.dg/graphite/interchange-1.c: Same.
 403         * gcc.dg/graphite/interchange-10.c: Same.
 404         * gcc.dg/graphite/interchange-11.c: Same.
 405         * gcc.dg/graphite/interchange-12.c: Same.
 406         * gcc.dg/graphite/interchange-2.c: Same.
 407         * gcc.dg/graphite/interchange-3.c: Same.
 408         * gcc.dg/graphite/interchange-4.c: Same.
 409         * gcc.dg/graphite/interchange-5.c: Same.
 410         * gcc.dg/graphite/interchange-6.c: Same.
 411         * gcc.dg/graphite/interchange-7.c: Same.
 412         * gcc.dg/graphite/interchange-8.c: Same.
 413         * gcc.dg/graphite/interchange-9.c: Same.
 414         * gcc.dg/graphite/interchange-mvt.c: Same.
 415         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 416
 417 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 418
 419         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 420           background.
 421
 422 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 423
 424         * common.opt: Add -fgraphite-cloog-opts.
 425         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 426         * opts.c (decode_options): Same.
 427
 428 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         * gcc.dg/graphite/id-17.c: New.
 431         * gcc.dg/graphite/pr41888.c: New.
 432         * gcc.dg/graphite/scop-22.c: New.
 433         * gfortran.dg/graphite/pr40982.f90: New.
 434
 435 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 436
 437         * graphite-dependences.c: Clarify comments.
 438         (build_pddr): Add an extra parameter direction.
 439         (graphite_legal_transform_dr): Use build_pddr.
 440         (dot_original_deps_stmt_1): Update use of build_pddr.
 441         (dot_transformed_deps_stmt_1): Same.
 442         (dot_original_deps): Same.
 443         (dot_transformed_deps): Same.
 444
 445         * gcc.dg/graphite/interchange-12.c: New.
 446         * gcc.dg/graphite/block-7.c: New.
 447
 448 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 451         (pddr_transformed_scattering): Removed.
 452         (graphite_legal_transform_dr): Use build_pddr.
 453         (dot_original_deps_stmt_1): Same.
 454         (dot_transformed_deps_stmt_1): Same.
 455         (dot_original_deps): Same.
 456         (dot_transformed_deps): Same.
 457
 458 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 461         (build_lexicographically_gt_constraint): Same.
 462         (dependence_polyhedron_1): Same.
 463         (dependence_polyhedron): Same.
 464
 465 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 468         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 469         (lexicographically_gt_p): Change type of direction to int.
 470         (build_lexicographically_gt_constraint): Same.
 471         (dependence_polyhedron_1): Same.
 472         (dependence_polyhedron): Same.
 473         (pddr_original_scattering): Use integers for direction.
 474         (pddr_transformed_scattering): Same.
 475         (graphite_legal_transform_dr): Same.
 476         (graphite_carried_dependence_level_k): Same.
 477
 478 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * graphite-dependences.c (build_pairwise_constraint): Renamed
 481         ppl_build_relation.  Moved...
 482         (dr_equality_constraints): Use ppl_build_relation.
 483         (build_pairwise_scheduling_equality): Same.
 484         (build_pairwise_scheduling_inequality): Same.
 485         * graphite-ppl.c (ppl_build_relation): ...here.
 486         * graphite-ppl.h (ppl_build_relation): Declared.
 487
 488 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         PR middle-end/42681
 491         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 492         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 493         Set gloog_error when such an expression failed to be built.
 494         (translate_clast): Early return when gloog_error is set.
 495         (gloog): Clear gloog_error.  When gloog_error is set, call
 496         set_ifsese_condition to enable the original code.  Return the status
 497         of the code generation based on gloog_error.
 498         * sese.c (set_ifsese_condition): New.
 499         * sese.h (set_ifsese_condition): Declared.
 500
 501         * g++.dg/graphite/pr42681.C: New.
 502
 503 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         PR middle-end/42732
 506         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 507         rename_nb_iterations.
 508         * sese.c (rename_variables_in_operand): New.
 509         (rename_variables_in_expr): New.
 510         (rename_nb_iterations): New.
 511         (sese_adjust_liveout_phis): Update the rename_map.
 512         * sese.h (rename_nb_iterations): Declared.
 513         * tree-scalar-evolution.c (scev_reset_htab): New.
 514         (scev_reset): Call scev_reset_htab.
 515         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 516
 517         * gfortran.dg/graphite/pr42732.f: New.
 518
 519 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         PR middle-end/42393
 522         * graphite-clast-to-gimple.c: Fix formatting.
 523         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 524         (expr_defined_in_loop_p): New.
 525         (add_loop_exit_phis): Also handle full expressions: remove from
 526         the rename_map the expressions defined in the loop that we're closing.
 527
 528         * gfortran.dg/graphite/pr42393-1.f90: New.
 529         * gfortran.dg/graphite/pr42393.f90: Add new flags
 530         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 531         make this testcase useful in the Graphite branch.
 532
 533 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-scop-detection.c (exclude_component_ref): Removed.
 536         (is_simple_operand): Removed.
 537         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 538
 539 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         PR middle-end/42221
 542         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 543         the array indexing of ADDR_EXPRs.
 544
 545         * gcc.dg/graphite/pr42221.c: New.
 546
 547 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/42521
 550         * graphite.c (graphite_finalize): Call scev_reset.
 551         (graphite_transform_loops): Do not call scev_reset between the code
 552         generation of scops.
 553
 554         * gcc.dg/graphite/pr42521.c: New.
 555
 556 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-interchange.c (memory_stride_in_loop): Renamed
 559         pdr_stride_in_loop.
 560         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 561         (memory_strides_in_loop): Memoize the memory strides per loop.
 562         (lst_interchange_profitable_p): Do not initialize to zero the memory
 563         strides.
 564         * graphite-poly.h (struct lst): Add a field memory_strides.
 565         (LST_LOOP_MEMORY_STRIDES): New.
 566         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 567         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 568
 569 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 572         memory_strides_in_loop.  Gather memory strides on a whole loop.
 573         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 574         (lst_interchange_profitable_p): Removed.
 575         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 576
 577 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 580         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 581         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 582         Remove context_loop and level.
 583
 584 2010-01-07  Richard Guenther  <rguenther@suse.de>
 585
 586         PR tree-optimization/42641
 587         * sese.c (rename_map_elt_info): Use the SSA name version, do
 588         not hash pointers.
 589
 590 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 593         blocked" only when both the strip mine and the interchange have
 594         been applied.
 595
 596         * gcc.dg/graphite/block-2.c: Removed.
 597         * gcc.dg/graphite/block-3.c: Add scan pattern.
 598         * gcc.dg/graphite/block-4.c: Same.
 599         * gcc.dg/graphite/block-5.c: Same.
 600         * gcc.dg/graphite/block-6.c: Same.
 601
 602 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 605         before allocating a new one.
 606         (copy_renames): Check that slot is not NULL.
 607         (mark_bb_with_pbb): Same.
 608         (compute_cloog_iv_types_1): Same.
 609         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 610         nest, and after LSTs.
 611         (lst_try_interchange_loops): Same.
 612
 613 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         PR middle-end/42178
 616         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 617         the before, nest, and after LSTs.
 618         (lst_try_interchange): Removed.
 619         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 620         were modified.
 621         (lst_interchange_select_outer): Apply interchange on the outer loop
 622         until there are no more changes in the inner loops.
 623
 624 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 625
 626         Revert patch fixing PR middle-end/42221.
 627
 628 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         PR middle-end/42180
 631         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 632         GIMPLE_CALL.
 633
 634         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 635
 636 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         PR middle-end/42180
 639         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 640         that contain only one statement.
 641
 642         * gfortran.dg/graphite/pr42180.f90: New.
 643
 644 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         PR middle-end/42393
 647         * gfortran.dg/graphite/pr42393.f90: New.
 648
 649 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         PR middle-end/42186
 652         * gfortran.dg/graphite/pr42186.f90: New.
 653
 654 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         PR middle-end/42205
 657         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 658         Insert the reduction copy in the same block as the phi node.
 659         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 660
 661         * gcc.dg/graphite/pr42205-1.c: New.
 662         * gcc.dg/graphite/pr42205-2.c: New.
 663
 664 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         PR middle-end/42221
 667         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 668         the array indexing of ADDR_EXPRs.
 669
 670         * gcc.dg/graphite/pr42221.c: New.
 671
 672 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         PR middle-end/42178
 675         PR middle-end/42334
 676         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 677         index.  Call lst_interchange_select_inner only once.
 678         (lst_interchange_select_inner): Update use of lst_try_interchange.
 679         (lst_interchange_select_outer): Update.
 680
 681 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         PR middle-end/42178
 684         PR middle-end/42334
 685         * graphite-interchange.c (lst_try_interchange): Do not increment the
 686         the OUTER index when there is no AFTER kernel.  Do not increment the
 687         OUTER index for after processing the AFTER kernel.
 688         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 689         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 690         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 691         (scop_do_interchange): Update use of lst_interchange_select_outer.
 692
 693         * gfortran.dg/graphite/graphite.exp
 694         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 695         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 696         the graphite dump file.
 697         * gfortran.dg/graphite/interchange-2.f: Same.
 698         * gfortran.dg/graphite/pr42334-1.f: New.
 699
 700 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         PR middle-end/42178
 703         PR middle-end/42334
 704         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 705         that are empty.
 706         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 707         (lst_try_interchange): Reimplemented.
 708         (lst_interchange_select_inner): Same.
 709         (lst_do_interchange): Renamed lst_interchange_select_outer.
 710         Reimplemented.
 711         (scop_do_interchange): Update use of lst_interchange_select_outer.
 712
 713         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 714         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 715         * gcc.dg/graphite/pr42211.c: New.
 716         * gfortran.dg/graphite/pr42334.f90: New.
 717
 718 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         PR middle-end/42181
 721         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 722         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 723
 724         * gfortran.dg/graphite/pr42181.f90: New.
 725
 726 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 727
 728         PR middle-end/42284
 729         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 730         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 731         (detect_commutative_reduction_arg): Simplified.
 732         (detect_commutative_reduction): Early return when the argument of
 733         the close phi is not of an SSA_NAME.
 734
 735         * gcc.dg/graphite/pr42284.c: New.
 736
 737 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 738
 739         * dbgcnt.def (graphite_scop): New counter.
 740         * graphite.c: Include dbgcnt.h
 741         (graphite_transform_loops): Use new counter to limit transformations.
 742
 743 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 744
 745         PR middle-end/42285
 746         * graphite-scop-detection.c (graphite_can_represent_init): Also
 747         handle more complex MULT_EXPRs containing parameters by recursion
 748         on the structure.
 749
 750         * gfortran.dg/graphite/pr42285.f90: New.
 751
 752 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 753
 754         * g++.dg/graphite/pr42130.C: Fix type.
 755
 756 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 757
 758         * g++.dg/graphite/pr42130.C: Correct testcase.
 759
 760 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 761
 762         * Merge from mainline (154493:154734).
 763
 764 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 765
 766         * Merge from mainline (151362:154491).
 767
 768 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 769
 770         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 771         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 772
 773 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 774
 775         PR middle-end/42130
 776         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 777         translate_clast_for_loop): New.
 778         (translate_clast_for): Add a condition around the loop, to do not
 779         execute loops with zero iterations.
 780         * g++.dg/graphite/pr42130.C: New.
 781         * gcc.dg/graphite/pr35356-2.c: Adapt.
 782
 783 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 784
 785         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 786         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 787         Remove context_loop and level.
 788
 789 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 790
 791         * graphite-clast-to-gimple.c (translate_clast_user,
 792         translate_clast_for, translate_clast_guard): Simplify and move common
 793         elements to translate_clast().
 794         (translate_clast): Simplify and get common elements.
 795
 796 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 797
 798         * graphite-clast-to-gimple.c (translate_clast_user,
 799         translate_clast_for, translate_clast_guard): Split out of
 800         translate_clast.
 801
 802 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 803
 804         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 805         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 806         debug_clast_name_indexes_1, debug_clast_name_indexes,
 807         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 808         (clast_name_to_gcc, clast_to_gcc_expression,
 809         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 810         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 811         graphite_create_guard_cond_expr, graphite_create_new_loop,
 812         translate_clast): Add params_index.
 813         (initialize_cloog_names): Create parameter strings from scratch, do
 814         not reference other strings.
 815         (create_params_index): New.
 816         (gloog): Initialize params_index.
 817         * graphite-scop-detection (free_scops_1): Removed.
 818         (limit_scops): Use normal free_scops.
 819         * graphite-sese-to-poly.c (save_var_names): Removed.
 820         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 821         and SESE_PARAMS_INDEX.
 822         * sese.c (new_sese, free_sese): Dito.
 823         * sese.h (struct sese): Remove params_index, params_names.
 824         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 825
 826 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         Revert the following patch from 2009-09-14:
 829         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 830         tree-scalar-evolution.h, and then tree-data-ref.h.
 831         * graphite-clast-to-gimple.c: Same.
 832         * graphite-dependences.c: Same.
 833         * graphite-interchange.c: Same.
 834         * graphite-poly.c: Same.
 835         * graphite-scop-detection.c: Same.
 836         * graphite-sese-to-poly.c: Same.
 837         * graphite.c: Same.
 838         * lambda-code.c: Same.
 839         * matrix-reorg.c: Same.
 840         * tree-data-ref.c: Same.
 841         * tree-if-conv.c: Same.
 842         * tree-loop-distribu: Same.: Same.
 843         * tree-loop-linear.c: Same.
 844         * tree-parloops.c: Same.
 845         * tree-predcom.c: Same.
 846         * tree-vect-patterns.c: Same.
 847
 848 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 849
 850         Revert patch from 2009-09-14.
 851         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 852         passes at -O1 and below.
 853
 854 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         PR middle-end/40281
 857         * gcc.dg/graphite/pr40281.c: New.
 858
 859         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 860         evolutions should not variate in inner loops.
 861
 862 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         PR middle-end/42050
 865         * gfortran.dg/graphite/pr42050.f90: New.
 866
 867 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 870         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 871
 872 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 873
 874         * graphite-blocking.c (scop_do_block): New.
 875         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 876         * graphite-poly.h (scop_do_block): Declared.
 877
 878 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 881         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 882         to transform depth into the time_depth before calling
 883         pbb_number_of_iterations_at_time.
 884         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 885         lst_depth.
 886
 887 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         Reverted the patch for "scattering permutations" from 2009-10-28.
 890
 891         * graphite-poly.c (print_permutation): New.
 892         (debug_permutation): New.
 893         (new_poly_bb): Initialize PBB_PERMUTATION.
 894         (free_poly_bb): Free PBB_PERMUTATION.
 895         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 896         (struct pbb_permutation_elt): New.
 897         (PBB_PERMUTATION_ELT_STRIDE): New.
 898         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 899         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 900         (new_pbb_permutation_elt): New.
 901         (pbb_permutation_elt_free): New.
 902         (struct poly_bb): Add field permutation.
 903         (PBB_PERMUTATION): New.
 904         (print_permutation): Declared.
 905         (debug_permutation): Declared.
 906
 907 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 908
 909         * graphite-interchange.c (build_partial_difference): New.
 910         (memory_stride_in_loop): Refactored the computation of
 911         equality constraints into build_partial_difference function.
 912         Added support for debugging stride computations.
 913
 914 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-clast-to-gimple.c (gloog): Free if_region,
 917         if_region->true_region, and if_region->region.
 918         * sese.c (if_region_set_false_region): Free if_region->false_region.
 919         (create_if_region_on_edge): Do not use GGC_NEW.
 920         (move_sese_in_condition): Remove useless initialization.
 921
 922 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 925         for the loops created by the loop distribution.  Do not modify the
 926         input LSTs.
 927         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 928         transformed schedule.  Call lst_update_scattering before data
 929         dependence analysis.
 930         (lst_try_interchange): Pass an extra parameter INDEX.
 931         (lst_do_interchange_1): New.
 932         (lst_do_interchange): Call lst_do_interchange_1.
 933         (scop_do_interchange): Call lst_update_scattering.
 934         * graphite-poly.c (apply_poly_transforms): Do not call
 935         lst_update_scattering.
 936         * graphite-poly.h (lst_pred): New.
 937         (lst_succ): New.
 938         (lst_find_first_pbb): Return NULL when not found.
 939         (lst_empty_p): New.
 940         (lst_insert_in_sequence): Allow LST1 to be NULL.
 941         (lst_replace): New.
 942         (lst_substitute_3): New.
 943         * gcc.dg/graphite/interchange-1.c: XFail.
 944         * gcc.dg/graphite/interchange-8.c: XFail.
 945         * gcc.dg/graphite/interchange-11.c: XFail.
 946
 947 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-interchange.c (lst_perfectly_nested_p): New.
 950         (lst_perfect_nestify): New.
 951         (lst_try_interchange_loops): Call store_lst_schedule,
 952         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 953         (scop_do_interchange): Avoid redundant legality test.
 954         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 955         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 956         * graphite-poly.h (psct_static_dim): New.
 957         (lst_dewey_number_at_depth): New.
 958         (lst_find_pbb): Restructured.
 959         (lst_find_first_pbb): Restructured.
 960         (lst_find_last_pbb): New.
 961         (lst_contains_p): New.
 962         (lst_contains_pbb): New.
 963         (lst_create_nest): New.
 964         (lst_remove_from_sequence): New.
 965         (pbb_update_scattering): New.
 966         (lst_update_scattering_under): New.
 967         (lst_update_scattering_seq): New.
 968         (lst_update_scattering): New.
 969         (lst_insert_in_sequence): New.
 970         (lst_distribute_lst): New.
 971         (lst_remove_all_before_including_pbb): New.
 972         (lst_remove_all_before_excluding_pbb): New.
 973
 974 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 977         get_loop_exit_edges.
 978
 979 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 982
 983 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 984
 985         * graphite-poly.c (print_permutation): New.
 986         (debug_permutation): New.
 987         (new_poly_bb): Initialize PBB_PERMUTATION.
 988         (free_poly_bb): Free PBB_PERMUTATION.
 989         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 990         (struct pbb_permutation_elt): New.
 991         (PBB_PERMUTATION_ELT_STRIDE): New.
 992         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 993         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 994         (new_pbb_permutation_elt): New.
 995         (pbb_permutation_elt_free): New.
 996         (struct poly_bb): Add field permutation.
 997         (PBB_PERMUTATION): New.
 998         (print_permutation): Declared.
 999         (debug_permutation): Declared.
1000
1001 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * graphite-clast-to-gimple.c (gloog): Do not call
1004         sese_reset_aux_in_loops.
1005         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1006         extra argument for domains.  Do not use loop->aux.
1007         (build_scop_iteration_domain): Initialize and free domains, pass it
1008         to build_loop_iteration_domains and extract the information from
1009         domains.  Do not use loop->aux.
1010         * sese.c (sese_reset_aux_in_loops): Removed.
1011         * sese.h (sese_reset_aux_in_loops): Removed.
1012
1013 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1016         (dependency_in_loop_p): Same.
1017         (translate_clast): Do not use loop->aux.  Initialize
1018         loop->can_be_parallel.
1019         (mark_loops_parallel): Removed.
1020         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1021         * graphite.c (free_aux_in_new_loops): Removed.
1022         (graphite_finalize): Do not call free_aux_in_new_loops.
1023         (graphite_transform_loops): Do not call mark_loops_parallel.
1024
1025 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1026
1027         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1028         (translate_clast): Pass an extra parameter LEVEL.
1029         Call get_scattering_level.
1030         * graphite-clast-to-gimple.h (get_scattering_level): New.
1031
1032 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1033
1034         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1035         * cfgloop.h (struct loop): New field single_iv.
1036
1037         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1038         loop->aux anymore: use loop->single_iv.
1039         (graphite_loop_normal_form): Moved...
1040         (build_graphite_loop_normal_form): Removed.
1041         (gloog): Do not call build_graphite_loop_normal_form.
1042         (free_aux_in_new_loops): Moved...
1043         (mark_loops_parallel): Restructure.
1044         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1045         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1046         (scop_canonicalize_loops): New.
1047         (build_poly_scop): Call scop_canonicalize_loops.
1048         * graphite.c (free_aux_in_new_loops): ...here.
1049
1050 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * g++.dg/graphite/graphite.exp: Add the same rules as in
1053         gcc.dg/graphite/graphite.exp.
1054
1055 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * g++.dg/graphite/id-1.C: New.
1058
1059 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1062         argument base_name.
1063         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1064         (rewrite_phi_out_of_ssa): Same.
1065         (rewrite_cross_bb_scalar_deps): Same.
1066         (translate_scalar_reduction_to_array): Same.
1067
1068 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1071         dump_alias_graphs.
1072
1073 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1076         (build_scop_drs): Call dump_alias_graphs.
1077
1078 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1081         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1082         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1083         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1084         * graphite-poly.h (free_lst): New.
1085         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1086         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1087
1088 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-poly.h (struct scop): Add a field saved_schedule.
1091         (SCOP_SAVED_SCHEDULE): New.
1092         (store_lst_schedule): New.
1093         (restore_lst_schedule): New.
1094         (store_scattering): Call store_lst_schedule.
1095         (restore_scattering): Call restore_lst_schedule.
1096
1097 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1100         (pdr_add_alias_set): Same.
1101         (build_poly_dr): Same.
1102         (build_alias_set_optimal_p): Same.
1103         (build_base_obj_set_for_drs): Same.  Do not store the result of
1104         graphds_dfs.
1105
1106 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1109         all_components_are_cliques to 1.
1110
1111 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1112
1113         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1114         the new structure.
1115         (pdr_add_alias_set): Update retrieving alias_set_num.
1116         (build_poly_dr): Update retrieving dr_base_object_set.
1117         (partition_drs_to_sets): Remove.
1118         (build_alias_set_optimal_p): New.
1119         (build_alias_set_for_drs): Rename.
1120         (build_scop_drs): Update.
1121         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1122         (ALIAS_SET_INDEX): Remove.
1123         (BASE_OBJECT_SET_INDEX): Remove.
1124
1125 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1128
1129 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1132         loop upper bounds for 1-element arrays at end of structures.
1133         * tree-flow.h (array_at_struct_end_p): Declared.
1134         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1135
1136 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * g++.dg/graphite/pr41305.C: New.
1139
1140 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1141
1142         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1143         construction of parameter constraints from loop iteration analysis.
1144         * gcc.dg/graphite/run-id-2.c: New test.
1145
1146 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1149         and new_cstr.
1150
1151 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-dependences.c (dependence_polyhedron_1): Remove
1154         unused gdim dimensions from the DDR polyhedron.
1155
1156 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-dependences.c (pddr_transformed_scattering): New.
1159         (dot_original_deps_stmt_1): New.
1160         (dot_transformed_deps_stmt_1): New.
1161         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1162         dot_transformed_deps_stmt_1.
1163         (dot_original_deps): New.
1164         (dot_transformed_deps): New.
1165         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1166
1167 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * graphite-dependences.c (reduction_dr_1): Remove wrong
1170         assert: reduction BBs can have multiple reduction writes
1171         to memory.  interchange-3.f90 is an example.
1172
1173 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * gfortran.dg/graphite/interchange-3.f90: New.
1176
1177 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1180
1181 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         * graphite-dependences.c (dependence_polyhedron_1): Add the
1184         context to the dependence polyhedron.
1185
1186 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1189         PBB_PDR_DUPLICATES_REMOVED.
1190         (new_poly_bb): Same.
1191
1192 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1195         SCOP_CONTEXT.
1196         (build_loop_iteration_domains): Extract bounds on parameters
1197         based on the data size.
1198         (build_scop_context): Do not initialize SCOP_CONTEXT;
1199         add new constraints.
1200
1201 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1204         * graphite-ppl.h (graphite-ppl.h): Declared.
1205
1206 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         * graphite-ppl.c (ppl_print_linear_expr): New.
1209         (debug_ppl_linear_expr): New.
1210         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1211         (debug_ppl_linear_expr): Declared.
1212
1213 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         * graphite-interchange.c: Fix comments.
1216         * gcc.dg/graphite/block-1.c: Fix comments.
1217
1218 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1219
1220         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1221         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1222
1223 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         Reapply the patch from Alexander Monakov that disappeared during
1226         the last merges from trunk.
1227
1228         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1229
1230         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1231         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1232
1233 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * graphite-interchange.c (memory_stride_in_loop): The depth
1236         argument corresponds to a dynamic time dimension, so use
1237         psct_dynamic_dim to refer to the transformed scattering dimension.
1238
1239 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1242
1243 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1246         root of the LST.
1247         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1248         the root of the LST.
1249         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1250         fake loop.
1251         (print_lst): Print the root of LST in a different format.
1252         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1253
1254 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1257
1258 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * doc/passes.texi: Document the Graphite infrastructure.
1261
1262 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1265         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1266         and check the SSA representation.
1267
1268         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1269
1270 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1273
1274 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * gcc.dg/graphite/interchange-11.c: New.
1277
1278 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1281
1282 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1285         Add -fno-loop-strip-mine and -fno-loop-interchange.
1286         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1287         -fno-loop-strip-mine.
1288         * gfortran.dg/graphite/graphite.exp: Same.
1289
1290 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1293         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1294         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1295         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1296         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1297         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1298         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1299         DEFAULT_FLAGS_GRAPHITE_SCOP.
1300         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1301         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1302
1303 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1304
1305         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1306
1307 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1308             Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-interchange.c (build_linearized_memory_access): Pass an
1311         offset as parameter.
1312         (memory_stride_in_loop): Include transform scattering in the
1313         access functions to be able to querry the strides in the
1314         transformed loops.
1315         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1316         not the psct_iterator_dim.
1317
1318 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1321         (lst_do_strip_mine_loop): New.
1322         (lst_do_strip_mine): New.
1323         (scop_do_strip_mine): Call lst_do_strip_mine.
1324         * graphite-poly.h (lst_add_loop_under_loop): New.
1325         (lst_find_first_pbb): New.
1326
1327 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1328
1329         * graphite-poly.c (loop_to_lst): Fix LST creation.
1330
1331 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1332
1333         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1334         sizeof(unsigned long) to make it run on 32bit systems.
1335
1336 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1337
1338         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1339         SEGFAULT on 32bit.
1340
1341 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1342
1343         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1344         Comment.
1345         (write_alias_graph_to_ascii_dot): New.
1346         (write_alias_graph_to_ascii_ecc): Ditto.
1347         (partition_drs_to_sets): Add testing of optimality of current method
1348         which assigns alias numbers according to DFS Comopnent number.  used
1349         as heuristic for the upcoming ECC algorithm.
1350         (build_scop_drs): Write to file also with the ecc and dot format.
1351
1352 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * gfortran.dg/graphite/interchange-1.f: XFail.
1355
1356 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * graphite.c (graphite_initialize): Do not handle functions with
1359         more than 100 basic blocks.
1360
1361 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-blocking.c (pbb_do_strip_mine): Use
1364         PARAM_LOOP_BLOCK_TILE_SIZE.
1365
1366 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * graphite-poly.c (dot_lst_1): New.
1369         (dot_lst): New.
1370         * graphite-poly.h (dot_lst): Declared.
1371
1372 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite-dependences.c (dot_deps_stmt_1): New.
1375         (dot_deps_stmt): New.
1376         * graphite-dependences.h (dot_deps_stmt): Declared.
1377
1378 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1381         not replace cross BB scalar dependences ending on PHI nodes.
1382         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1383
1384 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite-poly.c (apply_poly_transforms): Implement the high
1387         level driver for flag_loop_block.
1388         * opts.c (decode_options): Enable flag_loop_block at -O2.
1389         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1390         flag_loop_block.
1391
1392         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1393         -floop-block.
1394         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1395         Add -floop-block.
1396
1397 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-poly.h (lst_find_pbb): New.
1400         (find_lst_loop): New.
1401
1402 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1405         * graphite-poly.h (struct scop): Remove dep_graph field.
1406         (SCOP_DEP_GRAPH): Removed.
1407
1408 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * graphite-poly.h (copy_lst): Do full copy of LST.
1411
1412 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1415         when the loop stride is zero.
1416
1417         * gcc.dg/graphite/id-16.c: New.
1418
1419 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-dependences.c (reduction_dr_1): New.
1422         (reduction_dr_p): New.
1423         (graphite_legal_transform_dr): Call reduction_dr_p.
1424         (reduction_ddr): Renamed reduction_ddr_p.
1425         * graphite-poly.h (same_pdr_p): New.
1426         (number_of_write_pdrs): New.
1427         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1428         (split_reduction_stmt): Do not split reduction statements
1429         when there are no writes to memory.
1430         (translate_scalar_reduction_to_array_for_stmt): Insert the
1431         memory reduction statement just after the scalar reduction statement.
1432
1433         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1434         Un-XFAIL-ed.
1435         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1436         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1437
1438 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-interchange.c (lst_apply_interchange): New.
1441         (lst_interchange_profitable_p): New.
1442         (lst_try_interchange_loops): New.
1443         (lst_try_interchange): New.
1444         (lst_do_interchange): New.
1445         (pbb_do_interchange): Removed.
1446         (scop_do_interchange): Call lst_do_interchange.
1447
1448 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1451         SCOP_TRANSFORMED_SCHEDULE.
1452         (loop_to_lst): New.
1453         (scop_to_lst): New.
1454         (print_lst): New.
1455         (debug_lst): New.
1456         * graphite-poly.h (lst_p): New.
1457         (struct lst): New.
1458         (LST_LOOP_P): New.
1459         (LST_LOOP_FATHER): New.
1460         (LST_PBB): New.
1461         (LST_SEQ): New.
1462         (scop_to_lst): Declared.
1463         (print_lst): Declared.
1464         (debug_lst): Declared.
1465         (new_lst_loop): New.
1466         (new_lst_stmt): New.
1467         (copy_lst): New.
1468         (lst_depth): New.
1469         (lst_dewey_number): New.
1470         (struct scop): Add original_schedule and transformed_schedule fields.
1471         (SCOP_ORIGINAL_SCHEDULE): New.
1472         (SCOP_TRANSFORMED_SCHEDULE): New.
1473         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1474
1475 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * graphite-dependences.c (reduction_ddr): New.
1478         (graphite_legal_transform_bb): Call reduction_ddr.
1479         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1480         Initialize PBB_IS_REDUCTION.
1481         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1482         (PBB_IS_REDUCTION): New.
1483         (new_poly_bb): Update declaration.
1484         * graphite-scop-detection.h (build_scop_bbs): Removed.
1485         (nb_reductions_in_loop): Removed.
1486         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1487         parameter for reductions.
1488         (try_generate_gimple_bb): Update call to new_poly_bb.
1489         (build_scop_bbs_1): Same.
1490         (build_scop_bbs): Same.
1491         (gsi_for_phi_node): New.
1492         (scalar_close_phi_node_p): Remove gcc_assert.
1493         (split_reduction_stmt): New.
1494         (is_reduction_operation_p): New.
1495         (phi_contains_arg): New.
1496         (follow_ssa_with_commutative_ops): New.
1497         (detect_commutative_reduction_arg): New.
1498         (detect_commutative_reduction_assign): New.
1499         (follow_inital_value_to_phi): New.
1500         (edge_initial_value_for_loop_phi): New.
1501         (initial_value_for_loop_phi): New.
1502         (detect_commutative_reduction): New.
1503         (translate_scalar_reduction_to_array_for_stmt): New.
1504         (insert_copyout): New.
1505         (insert_copyin): New.
1506         (translate_scalar_reduction_to_array): New.
1507         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1508         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1509         (rewrite_commutative_reductions_out_of_ssa): New.
1510         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1511         * sese.h (split_region_for_bb): New.
1512
1513         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1514         * gcc.dg/graphite/interchange-1.c: Fix format.
1515         * gcc.dg/graphite/interchange-10.c: New.
1516
1517 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1520         buggy assert.
1521
1522 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1525         (rewrite_cross_bb_scalar_dependence): New.
1526         (rewrite_cross_bb_scalar_deps): New.
1527         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1528         Call rewrite_cross_bb_scalar_deps.
1529
1530 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1533         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1534         gsi_for_stmt.
1535
1536 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1539         * graphite-interchange.c (pbb_do_interchange): Same.
1540         * graphite-poly.c (print_scattering_function): Same.
1541         (debug_pdrs): Same.
1542         * graphite-poly.h (pbb_loop): New.
1543         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1544
1545 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1548
1549 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1552         so don't pass a pointer to it.
1553         (build_alias_set_for_drs): Same.
1554         (build_base_obj_set_for_drs): Same.
1555         (build_scop_drs): Same.
1556
1557 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1558
1559         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1560         the alias graph of data references.
1561
1562 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1563
1564         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1565         (build_scop_drs): When debugging, write the alias graph to file,
1566         otherwise, should be disabled.
1567
1568 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * Merge from mainline (151310:151361).
1571
1572 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * Merge from mainline (151171:151310).
1575
1576 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * Merge from mainline (151171:151806).
1579
1580 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * Revert the last commit.
1583
1584 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * Merge from mainline (151171:151819).
1587
1588 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1591         (is_simple_operand): Remove call to stmt_simple_memref_p.
1592         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1593
1594 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1595
1596         * gcc.dg/graphite/interchange-mvt.c: New File.
1597         * gcc.dg/graphite/scop-dsyrk.c: New File.
1598         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1599         * gcc.dg/graphite/scop-mvt.c: New File.
1600         * gcc.dg/graphite/scop-sor.c: New File.
1601
1602 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1603
1604         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1605         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1606         (graphite_carried_dependence_level_k): Ditto.
1607         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1608         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1609         (new_poly_dr): Adjust declaration.
1610         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1611         (free_gimple_bb): Added free_data_refs_aux.
1612         (build_poly_dr): Add dr_base_object_set.
1613         (partition_drs_to_sets): New.
1614         (dr_same_base_object_p): New.
1615         (build_alias_set_for_drs): New.
1616         (build_base_object_set_for_drs): New.
1617         (build_scop_drs): Add build_base_obj_set_for_drs.
1618         * graphite-sese-to-poly.h: Added #define for alias set number index and
1619         base object set index.
1620         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1621         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1622
1623 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1624
1625         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1626         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1627
1628 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-sese-to-poly.c (struct irp_data): Removed.
1631         (idx_record_params): Removed.
1632         (find_params_in_bb): Scan for parameters the access functions; don't
1633         parse the tree representation.
1634
1635 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1636
1637         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1638         passes at -O1 and below.
1639
1640 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1643         tree-scalar-evolution.h, and then tree-data-ref.h.
1644         * graphite-clast-to-gimple.c: Same.
1645         * graphite-dependences.c: Same.
1646         * graphite-interchange.c: Same.
1647         * graphite-poly.c: Same.
1648         * graphite-scop-detection.c: Same.
1649         * graphite-sese-to-poly.c: Same.
1650         * graphite.c: Same.
1651         * lambda-code.c: Same.
1652         * matrix-reorg.c: Same.
1653         * tree-data-ref.c: Same.
1654         * tree-if-conv.c: Same.
1655         * tree-loop-distribu: Same.: Same.
1656         * tree-loop-linear.c: Same.
1657         * tree-parloops.c: Same.
1658         * tree-predcom.c: Same.
1659         * tree-vect-patterns.c: Same.
1660
1661 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         Partially revert the previous patch, except the following.
1664         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1665         as parameters the operands of the not expression.
1666
1667 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1670         Do not call analyze_scalar_evolution on assignments.
1671         (instantiate_scev_phi): Call analyze_scalar_evolution.
1672         (instantiate_scev_name): Call instantiate_scev_assign and
1673         instantiate_scev_phi.
1674         (instantiate_scev_not): Adapted to pass as parameters the operands
1675         of the not expression.
1676
1677 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1680         to pass as parameters the operands of the binary expression.
1681
1682 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1685         instantiate_scev_not.  Handle NEGATE_EXPR.
1686         (instantiate_scev_r): Handle NEGATE_EXPR.
1687
1688 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1691         instantiate_scev_r.
1692         (instantiate_scev_r): Move code in instantiate_scev_2
1693         and instantiate_scev_1.
1694
1695 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * tree-scalar-evolution.c (instantiate_scev_3): New.
1698         (instantiate_scev_1): Move code in instantiate_scev_3.
1699
1700 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1703         (instantiate_scev_1): Move code in instantiate_scev_poly.
1704
1705 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1708         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1709
1710 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1713         (instantiate_scev_1): Move code in instantiate_scev_convert.
1714
1715 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1718         (instantiate_scev_1): Move code in instantiate_scev_binary.
1719
1720 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * tree-scalar-evolution.c (instantiate_scev_name): New.
1723         (instantiate_scev_1): Move code in instantiate_scev_name.
1724
1725 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * Merge from mainline (150992:151171).
1728
1729 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1732
1733 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * graphite-dependences.c (graphite_legal_transform_bb): Call
1736         pbb_remove_duplicate_pdrs.
1737         * graphite-poly.c (can_collapse_pdr): Removed.
1738         (pdr_find_duplicate): Removed.
1739         (can_collapse_pdrs): New.
1740         (pbb_remove_duplicate_pdrs): New.
1741         (new_poly_dr): Do not look for duplicates.
1742         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1743         (PBB_PDR_DUPLICATES_REMOVED): New.
1744         (pbb_remove_duplicate_pdrs): Declared.
1745
1746 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1749         the strides by multiplying by PDR_NB_REFS.
1750         * graphite-poly.c (can_collapse_pdr): New.
1751         (pdr_find_duplicate): New.
1752         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1753         Initialize PDR_NB_REFS.
1754         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1755         (PDR_NB_REFS): New.
1756         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1757
1758 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         Revert one of the previous commits:
1761         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1762         the computation of symmetric data dependence relations.
1763         (dependency_between_pbbs_p): Same.
1764
1765 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         PR middle-end/40965
1768         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1769         any transform.
1770
1771 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * graphite-dependences.c (pddr_original_scattering): Return NULL
1774         for read-read dependence relations.
1775         * graphite-poly.h (enum poly_dr_type): Fix comment.
1776         (pdr_read_p): New.
1777         (pdr_write_p): New.
1778         (pdr_may_write_p): New.
1779
1780 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1783         (struct poly_dr): Same.
1784         (new_poly_dr): Same.
1785         * graphite-poly.c (new_poly_dr): Same.
1786
1787 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1788             Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1791         pbb_strip_mine_time_depth.  Changed the implementation so that
1792         transformation is expressed as a transformation on
1793         time (scatttering) dimensions.  Also, ensures that the 2d+1
1794         scheduling format is preserved.
1795         (pbb_strip_mine_profitable_p): Profitability is based on the
1796         iteration number of a given time (scattering) dimension,
1797         and not on a original loop depth dimension.
1798         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1799         (pbb_do_strip_mine): Call psct_dynamic_dim.
1800         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1801         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1802         (pbb_nb_dynamic_scattering_transform): New.
1803         (psct_dynamic_dim): New.
1804
1805 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1806
1807         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1808         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1809         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1810         * graphite-interchange.c (build_linearized_memory_access): Same.
1811         (memory_stride_in_loop): Same.
1812
1813 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-dependences.c (pddr_original_scattering): New.
1816         (graphite_legal_transform_dr): Call pddr_original_scattering.
1817         (dot_deps_1): New.
1818         (dot_deps): New.
1819         * graphite-dependences.h (dot_deps): Declared.
1820         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1821         (print_pdr): Print PDR_ID.
1822         * graphite-poly.h (struct poly_dr): Add field id.
1823         (PDR_ID): New.
1824         (pbb_index): New.
1825         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1826
1827 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1828
1829         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1830         not delete the original dependence relation.
1831
1832 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1835         the computation of symmetric data dependence relations.
1836         (dependency_between_pbbs_p): Same.
1837
1838 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1841         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1842         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1843         (free_poly_ddr): New.
1844         (pddr_is_empty): New.
1845         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1846         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1847         Remove fprintfs.
1848         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1849         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1850         * graphite-dependences.h (enum poly_dependence_kind): New.
1851         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1852         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1853         (PDRP_SINK): Renamed PDDR_SINK.
1854         (PDRP_DDP): Renamed PDDR_DDP.
1855         (PDDR_KIND): New.
1856         (free_poly_ddr): Declared.
1857         * graphite-poly.c (new_scop): Use the new hash function names.
1858         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1859         into original_pddrs.
1860         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1861
1862 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         * Merge from mainline (150764:150992).
1865
1866 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1869         bounds with LT_EXPR to make niter analysis more precise on code
1870         generated by Graphite.
1871
1872 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1875         (graphite_legal_transform_bb): Same.
1876         (poly_drs_may_alias_p): Same.
1877
1878 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         PR middle-end/40981
1881         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1882         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1883
1884 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-poly.c (print_pbb): Print PBB index.
1887
1888 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1889
1890         * Merge from mainline (r150672:150764).
1891
1892 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         * graphite-interchange.c (ppl_max_for_le): Moved...
1895         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1896         * graphite-ppl.c (ppl_max_for_le): ... here.
1897         * graphite-ppl.h (ppl_max_for_le): Declared.
1898
1899 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * Merge from mainline (r150372:150672).
1902
1903 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         PR middle-end/40980
1906         * sese.c (convert_for_phi_arg): New.
1907         (add_guard_exit_phis): Use convert_for_phi_arg.
1908
1909         * gfortran.dg/graphite/id-17.f: New.
1910
1911 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1914         unknown subscript upper bounds.
1915
1916         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1917
1918 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1919             Pranav Garg  <pranav.garg2107@gmail.com>
1920
1921         * graphite-interchange.c (gather_access_strides): Removed.
1922         (ppl_max_for_le): New.
1923         (build_linearized_memory_access): New.
1924         (memory_stride_in_loop): New.
1925         (pbb_interchange_profitable_p): Reimplemented.
1926         * graphite-ppl.h (ppl_new_id_map): New.
1927         (ppl_interchange): New.
1928
1929         * gcc.dg/graphite/interchange-6.c: XFAILed.
1930
1931 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-interchange.c (compute_subscript): Removed.
1934         (compute_array_size_cstr): Removed.
1935         (compute_array_size_poly): Removed.
1936         (compute_array_size): Removed.
1937         (gather_access_strides_poly): Removed.
1938         (gather_access_strides): Empty.
1939
1940 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-dependences.c (dependence_polyhedron_1): Replace
1943         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1944         (graphite_legal_transform_dr): Same.
1945         (graphite_carried_dependence_level_k): Same.
1946         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1947         Initialize PDR_NB_SUBSCRIPTS.
1948         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1949         PDR_NB_SUBSCRIPTS.
1950         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1951         (PDR_NB_SUBSCRIPTS): New.
1952         (pdr_nb_subscripts): Removed.
1953         (pdr_dim): Simplified.
1954         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1955         with PDR_NB_SUBSCRIPTS.
1956
1957 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-interchange.c (compute_array_size): Remove use of
1960         PDR_DATA_CONTAINER.
1961         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1962         Do not initialize PDR_DATA_CONTAINER.
1963         (print_pdr): Do not print PDR_DATA_CONTAINER.
1964         * graphite-poly.h (struct poly_dr): Remove data_container field.
1965         (PDR_DATA_CONTAINER): Removed.
1966         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1967         PDR_DATA_CONTAINER.
1968         (build_poly_dr): Same.
1969
1970 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * gcc.dg/graphite/interchange-9.c: New.
1973
1974 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1975             Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1978         copy of the dependence polyhedron.  Free the temporary objects.
1979         (graphite_carried_dependence_level_k): Free unused objects before
1980         returning.
1981
1982         * gcc.dg/graphite/interchange-1.c: XFAILed.
1983         * gcc.dg/graphite/interchange-2.c: XFAILed.
1984         * gcc.dg/graphite/interchange-3.c: XFAILed.
1985         * gcc.dg/graphite/interchange-4.c: XFAILed.
1986         * gcc.dg/graphite/interchange-7.c: XFAILed.
1987
1988 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1991         Early return without analyzing the data dependences if no
1992         transform has been done.  Call restore_scattering if the transform
1993         is not legal.
1994         (graphite-interchange.c): Same.
1995         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1996         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1997         (apply_poly_transforms): Do not gcc_assert that
1998         the transform is legal.
1999         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2000         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2001         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2002         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2003         * graphite-poly.h (struct poly_scattering): New.
2004         (struct poly_bb): Add original, transformed, and saved fields.
2005         Remove transformed_scattering, original_scattering, nb_local_variables,
2006         and nb_scattering_transform fields.
2007         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2008         (poly_scattering_new): New.
2009         (poly_scattering_free): New.
2010         (poly_scattering_copy): New.
2011         (store_scattering_pbb): New.
2012         (store_scattering): New.
2013         (restore_scattering_pbb): New.
2014         (restore_scattering): New.
2015         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2016         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2017
2018 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2021         (print_scop): Same.
2022
2023 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * Makefile.in (graphite.o): Depends on PREDICT_H.
2026         * graphite.c: Include predict.h.
2027         (graphite_finalize): Call tree_estimate_probability.
2028         * predict.c (predict_loops): Do not call scev_initialize and
2029         scev_finalize.
2030         (tree_estimate_probability_bb): New.
2031         (tree_estimate_probability): Do not initialize loops: move that
2032         code to the driver.  Call tree_estimate_probability_bb.
2033         (tree_estimate_probability_driver): New.
2034         (pass_profile): Use tree_estimate_probability_driver.
2035         * predict.h (tree_estimate_probability): Declared.
2036
2037 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2040         * graphite-dependences.c (graphite_legal_transform): Add time to
2041         TV_GRAPHITE_DATA_DEPS.
2042         (dependency_between_pbbs_p): Same.
2043         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2044
2045 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * Merge from mainline (r149952:150372).
2048
2049 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2052         * graphite-blocking.c: Same.
2053         * graphite-clast-to-gimple.c: Same.
2054         * graphite-dependences.c: Same.
2055         * graphite-poly.c: Same.
2056         * graphite-poly.h: Same.
2057         * graphite-ppl.c: Same.
2058         * graphite-scop-detection.c: Same.
2059         * graphite-sese-to-poly.c: Same.
2060         * graphite.c: Same.
2061
2062 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2065         (remove_simple_copy_phi): New.
2066         (remove_invariant_phi): New.
2067         (simple_copy_phi_p): New.
2068         (reduction_phi_p): New.
2069         (gsi_for_ssa_name_def): New.
2070         (insert_out_of_ssa_copy): New.
2071         (insert_out_of_ssa_copy_on_edge): New.
2072         (create_zero_dim_array): New.
2073         (scalar_close_phi_node_p): New.
2074         (rewrite_close_phi_out_of_ssa): New.
2075         (rewrite_phi_out_of_ssa): New.
2076         (rewrite_reductions_out_of_ssa): New.
2077         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2078
2079         * gcc.dg/graphite/id-11.c: New.
2080         * gcc.dg/graphite/id-15.c: New.
2081         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2082         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2083         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2084         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2085         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2086         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2087         * gfortran.dg/graphite/id-13.f: New.
2088         * gfortran.dg/graphite/id-5.f: New.
2089
2090 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2093         check that nb_reductions_in_loop is zero.
2094         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2095         reduction phi nodes.
2096         (nb_reductions_in_loop): Removed.
2097         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2098         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2099         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2100         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2101         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2102
2103 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2104
2105         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2106         statements that have an empty iteration domain.
2107         * gfortran.dg/graphite/id-16.f: New.
2108
2109 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * tree-scalar-evolution.c (instantiate_scev_1): Return
2112         chrec_dont_know when the result is not above instantiate_below.
2113         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2114         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2115         the tree has a known scalar evolution.
2116         * gfortran.dg/graphite/id-14.f: New.
2117         * gfortran.dg/graphite/id-15.f: New.
2118
2119 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2122         insert_gsi.
2123         (rename_variables): Keep inserting renames after the ones already
2124         inserted.
2125
2126 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * graphite-sese-to-poly.c (compare_bb_depths): New.
2129         (graphite_sort_dominated_info): New.
2130         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2131         (build_scop_scattering): Fix comment.
2132
2133 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite.c (graphite_finalize): Call print_loops instead of
2136         dump_function_to_file.
2137         * gcc.dg/graphite/graphite.exp: Fix formatting.
2138         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2139         loops generated in the graphite output file.
2140         * gcc.dg/graphite/pr35356-2.c: New.
2141         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2142         * gfortran.dg/graphite/id-12.f: New.
2143
2144 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2145
2146         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2147         Remove 2 XFAIL.
2148
2149 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2150             Tobias Grosser  <grosser@fim.uni-passau.de>
2151
2152         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2153         alias set number build alias in ACCESSES polyhedron.
2154         (build_alias_set_for_drs): New.
2155         (build_pbb_drs): Added build_alias_set_for_drs.
2156         * graphite-dependences.c (poly_drs_may_alias_p): New.
2157         (graphite_carried_dependence_level_k): Check alias information
2158         before building polyhedron.
2159
2160 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2161
2162         * Makefile.in (lambda-code.o): Fix formatting.
2163
2164 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2165
2166         * Merge from mainline (r149350-149952)
2167
2168 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2169
2170         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2171         before interchange to prepare for loop blocking.
2172
2173 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2174
2175         * graphite-poly.c (apply_poly_transforms): Add checks after every
2176         transformation.
2177         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2178         done in apply_poly_transforms.
2179
2180 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2181
2182         * graphite-dependences.c (build_lexicographically_gt_constraint):
2183         Replace RES parameter with *RES.
2184         (dependence_polyhedron_1): Pass an address of the parameter RES
2185         instead of value of RES.
2186
2187 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite.c (graphite_finalize): Fix comment.
2190         (graphite_transform_loops): Reset scev info after code generation
2191         of each scop.
2192
2193 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite.c (graphite_finalize): Call scev_reset.
2196
2197 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2200         GBB_CLOOG_IV_TYPES hash table twice.
2201         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2202         (add_condition_to_domain): Clear GMP values.
2203
2204 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         * graphite-dependences.c: Fix formatting.
2207         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2208         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2209         * graphite-sese-to-poly.c: Fix formatting.
2210         * graphite.c (graphite_transform_loops): Create the hash table
2211         after the early return.
2212
2213 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         * gcc.dg/graphite/id-14.c: New.
2216         * gcc.dg/graphite/pr40157.c: New.
2217         * gfortran.dg/graphite/id-11.f: New.
2218
2219 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2222         (build_poly_scop): Return false when there are no pbbs within
2223         loops to avoid to pass to cloog scops with no loops.
2224
2225 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2228         useless test "i % 2".
2229         (build_pbb_scattering_polyhedrons): Fix formatting.
2230         (build_poly_dr): Same.
2231         * graphite.c (graphite_transform_loops): Restructure.
2232
2233 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2234
2235         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2236         reduction_list parameter.
2237         (rewrite_all_phi_nodes_with_iv): Same.
2238         (canonicalize_loop_ivs): Same.
2239         * tree-parloops.c (struct brli): Removed.
2240         (build_reduction_list_info): Removed.
2241         (build_new_reduction): New.
2242         (analyze_reduction_list): Removed.
2243         (gather_scalar_reductions): Find reductions instead of phi
2244         nodes that can't be canonicalized.
2245         (try_create_reduction_list): Remove reduction_list parameter.
2246         (gen_parallel_loop): Same.
2247         (parallelize_loops): Remove analyze_reductions variable,
2248         initialization and free.
2249         Change reduction_list htab initialization to reduction_info
2250         elements instead of ssa names.
2251         Call try_create_reduction_list and gen_parallel_loop without
2252         analyzed_reduction argument.
2253         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2254         canonicalize_loop_ivs with one less argument.
2255         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2256
2257 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2258
2259         * graphite-dependences.c (new_poly_dr_pair): New.
2260         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2261         (new_poly_dr_pair): New.
2262         (eq_poly_dr_pair_p): New.
2263         (hash_poly_dr_pair_p): New.
2264         * graphite-dependences.h (struct poly_dr_pair): New.
2265         (eq_poly_dr_pair_p): Declared.
2266         (hash_poly_dr_pair_p): Declared.
2267         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2268         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2269         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2270         * Makefile.in (graphite-poly.o): Add dependence on
2271         graphite-dependences.h.
2272
2273 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2276         polynomials of degree > 1 pass to Graphite.
2277         * tree-chrec.c (scev_is_linear_expression): Call
2278         evolution_function_is_affine_multivariate_p.
2279         * gfortran.dg/graphite/id-10.f90: New.
2280
2281 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2284         Instantiate scevs varying in outer loops.
2285         * gfortran.dg/graphite/id-9.f: Correct testcase.
2286
2287 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2290         redundant constraint.
2291
2292 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * gcc.dg/graphite/graphite.exp: Fix comments.
2295         * gfortran.dg/graphite/graphite.exp: Trigger actions
2296         based on the file names as in the C testsuite.
2297         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2298         * gfortran.dg/graphite/block-2.f: Same.
2299         * gfortran.dg/graphite/block-3.f90: Same.
2300         * gfortran.dg/graphite/block-4.f90: Same.
2301         * gfortran.dg/graphite/id-1.f90: Same.
2302         * gfortran.dg/graphite/id-2.f90: Same.
2303         * gfortran.dg/graphite/id-3.f90: Same.
2304         * gfortran.dg/graphite/id-4.f90: Same.
2305         * gfortran.dg/graphite/id-6.f: Same.
2306         * gfortran.dg/graphite/id-9.f: Same.
2307         * gfortran.dg/graphite/interchange-1.f: Same.
2308         * gfortran.dg/graphite/interchange-2.f: Same.
2309         * gfortran.dg/graphite/scop-1.f: Same.
2310
2311 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * sese.c (expand_scalar_variables_call): New.
2314         (expand_scalar_variables_ssa_name): Handle calls in expander.
2315
2316 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2319         Expect to see the pattern twice.
2320         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2321         * gcc.dg/graphite/interchange-5.c: Same.
2322         * gcc.dg/graphite/interchange-6.c: Same.
2323
2324 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2325
2326         * gcc.dg/graphite/id-10.c: New.
2327         * gcc.dg/graphite/id-12.c: New.
2328         * gfortran.dg/graphite/id-7.f: New.
2329         * gfortran.dg/graphite/id-8.f: New.
2330
2331 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2332
2333         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2334         zero.
2335
2336 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2339
2340 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2343
2344 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2347         building PDR subscripts.
2348
2349 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2352         computation of array sizes.
2353
2354 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2357
2358 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2359
2360         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2361         build_pairwise_constraint, dr_equality_constraints,
2362         build_pairwise_scheduling_equality,
2363         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2364         build_lexicographically_gt_constraint, dependence_polyhedron,
2365         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2366         Move from NNC_Polyhedron to C_Polyhedron.
2367         * graphite-interchange.c (compute_array_size_poly,
2368         gather_access_strides): Dito.
2369         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2370         free_scop, pbb_number_of_iterations): Dito.
2371         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2372         pbb_dim_iter_domain, struct scop): Dito.
2373         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2374         new_Cloog_Domain_from_ppl_Polyhedron,
2375         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2376         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2377         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2378         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2379         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2380         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2381         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2382         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2383         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2384         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2385         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2386         build_scop_iteration_domain, build_poly_dr): Dito
2387
2388 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2391         run-id-*.c files.
2392         * gcc.dg/graphite/run-id-1.c: New.
2393
2394 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2397         positivity constraint on the symbolic number of iterations.
2398
2399 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2402
2403 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2404             Tobias Grosser  <grosser@fim.uni-passau.de>
2405
2406         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2407         (build_cloog_prog): Directly use SCOP_CONTEXT.
2408         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2409         (free_scop): Free SCOP_CONTEXT.
2410         (print_scop_context): New.
2411         (print_scop): Call print_scop_context.
2412         (debug_scop_context): New.
2413         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2414         (struct scop): Added field context.
2415         (SCOP_CONTEXT): New.
2416         * graphite-sese-to-poly.c (add_param_constraints): New.
2417         (build_scop_context): New.
2418         (build_poly_scop): Call build_scop_context.
2419
2420 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2423         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2424         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2425         * graphite-ppl.h: Include double-int.h and tree.h.
2426         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2427         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2428         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2429         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2430
2431 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2434         POINTER_PLUS_EXPR for pointer types.
2435         (clast_to_gcc_expression): Same.
2436
2437 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * graphite-poly.c (print_scattering_function): Early return when
2440         PBB_TRANSFORMED_SCATTERING is not initialized.
2441         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2442
2443 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2446         to fix bootstrap.
2447
2448 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2449
2450         * tree-parloops.c (analyze_reduction_list): Change return
2451         value to void.
2452         (try_create_reduction_list): Move the call to
2453         analyze_reduction_list to the beginining.
2454         Call reduction_phi with analyzed_reductions as argument
2455         instead of reduction_list.
2456
2457 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2458
2459         *  Merge from mainline (r148296:149346)
2460
2461 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-scop-detection.c (graphite_can_represent_init): New.
2464         (graphite_can_represent_scev): Call graphite_can_represent_init:
2465         check that the initial value does not contain multiplications of
2466         parameters.
2467         (stmt_has_simple_data_refs_p): New.
2468         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2469         (is_simple_operand): Fix formatting.
2470         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2471
2472 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2473
2474         * gcc.dg/graphite/id-13.c: New.
2475         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2476         analyze_scalar_evolution, use scalar_evolution_in_region.
2477         (scan_tree_for_params_right_scev): Add extra assert.
2478         (parameter_index_in_region_1): Split from parameter_index_in_region.
2479         (idx_record_params): Use scalar_evolution_in_region.
2480         (find_params_in_bb): Same.
2481         (find_scop_parameters): Same.
2482         (build_loop_iteration_domains): Same.
2483         (create_linear_expr_from_tree): Same.
2484         * sese.c (scalar_evolution_in_region): New.
2485         * sese.h (scalar_evolution_in_region): Declared.
2486         (defined_in_sese_p): New.
2487         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2488         static anymore.
2489         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2490         Declared.
2491
2492 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2495         TREE_DATA_REF_H also implies SCEV_H.
2496
2497 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-poly.c (print_scop_params): New.
2500         (print_scop): Call print_scop_params.
2501         (debug_scop_params): New.
2502         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2503
2504 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2505
2506         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2507         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2508         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2509         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2510         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2511         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2512
2513 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2514
2515         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2516         for dependency checking part.
2517         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2518         tests for dependency checking.
2519         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2520         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2521         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2522         flag -fdump-tree-graphite-all for autopar testsuites.
2523
2524 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2527         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2528         canonicalize_loop_ivs): Moved...
2529         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2530
2531 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * tree-parloops.c (try_create_reduction_list): Pass an extra
2534         argument analyzed_reductions.  Call analyze_reduction_list.
2535         (gen_parallel_loop): Do not call analyze_reduction_list.
2536         (parallelize_loops): Init and finalize analyzed_reductions.
2537
2538 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2539
2540         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2541         Added flag -fno-loop-strip-mine for autopar testcase.
2542
2543 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2544
2545         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2546         transformed scattering dimension instead of unmatch orignal when
2547         calling dependence_polyhedron.
2548
2549 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2552
2553 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2556         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2557
2558 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2561         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2562         * graphite-poly.c (pbb_number_of_iterations): New.
2563         * graphite-poly.h (pbb_number_of_iterations): Declared.
2564         (pbb_iterator_dim, pbb_parameter_dim): New.
2565
2566 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2569         last commit on type of lower and upper bound of loops.
2570
2571 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2572
2573         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2574         graphite-dependences.h.
2575         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2576         (mark_bb_with_pbb): New.
2577         (get_stmtfor_depth): New.
2578         (find_pbb_via_hash): New.
2579         (dependency_in_loop_p): New.
2580         (mark_loops_parallel): New.
2581         (free_aux_in_new_loops): New.
2582         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2583         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2584         innermost loop parallel without checking.
2585         (gloog): Add parameter BB_PBB_MAPPING.
2586         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2587         (gloog): Change declaration.
2588         (mark_loop_parallel): Make extern.
2589         (free_aux_in_new_loops): Declare.
2590         (bb_pbb_map_hash): New.
2591         (eq_bb_pbb_map): New.
2592         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2593         auto parallelization when flag_graphite_force_parallel is set.
2594         (graphite_finalize): Added free_aux_in_new_loops.
2595         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2596         the innermost loop that marked parallel.  Use
2597         flag_graphite_force_parallel instead of loop->can_be_parallel.
2598         (loop_parallel_p): Move inner most checking out of function.
2599
2600 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2601
2602         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2603         type of lower and upper bound of loops signed long int.
2604
2605 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2608         expression outside the loop.
2609
2610 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * gcc.dg/graphite/interchange-8.c: New.
2613
2614 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * gcc.dg/graphite/interchange-0.c: XFailed.
2617         * gcc.dg/graphite/interchange-5.c: XFailed.
2618         * gcc.dg/graphite/interchange-6.c: XFailed.
2619
2620 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2621
2622         * graphite-interchange.c (compute_array_size_poly): The end of the
2623         recursion should return 1.
2624
2625 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-interchange.c (compute_array_size_cstr): Allow the
2628         subscript multiplier to be -1.
2629         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2630         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2631         data_container.  Initializes PDR_DATA_CONTAINER.
2632         (print_pdr_access_layout): New.
2633         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2634         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2635         data_container.
2636         (PDR_DATA_CONTAINER): New.
2637         (new_poly_dr): Update declaration.
2638         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2639         (build_poly_dr): Call pdr_add_data_dimensions.
2640
2641 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         * graphite-poly.h (struct poly_dr): Fix comment.
2644         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2645         (pdr_add_memory_accesses): New.
2646         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2647
2648 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2651         (print_pbb): Add call to print_pdrs.
2652         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2653
2654 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2655             Li Feng <nemokingdom@gmail.com>
2656
2657         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2658         (dependency_between_pbbs_p): New.
2659         (lexicographically_gt_p): Assure !empty_p before polyhedron
2660         intersection assign.
2661         (build_lexicographically_gt_constraint): Correct lexicographically
2662         judging.
2663         * graphite-dependences.h: New.
2664         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2665
2666 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2669         (gloog): Print to dump_file the generated clast.
2670         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2671         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2672
2673 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-poly.c (extend_scattering): Increment
2676         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2677
2678 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * graphite-interchange.c (compute_array_size_poly): Added exit of
2681         recursion condition.  Continue iterating even after the first equality.
2682         (compute_array_size): Same.
2683
2684 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2685
2686         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2687         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2688         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2689         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2690         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2691
2692 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2695         only when the use verifies is_gimple_reg.
2696
2697 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2700         Allocate scaldims after call to unify_scattering_dimensions.
2701
2702 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2705
2706 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2707             Albert Cohen  <albert.cohen@inria.fr>
2708
2709         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2710         variables for the strip mining.
2711
2712 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2713             Pranav Garg  <pranav.garg2107@gmail.com>
2714
2715         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2716         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2717         (graphite-blocking.o): New rule.
2718         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2719         * graphite-blocking.c: New.
2720         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2721         flag_loop_strip_mine.
2722         (psct_scattering_dim_for_loop_depth): New.
2723         * graphite-poly.h (scop_do_strip_mine): Declared.
2724         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2725         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2726         flag_loop_strip_mine.
2727
2728 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2731         a GMP value and a PPL coefficient at each iteration of a loop.
2732
2733 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-dependences.c (dependence_polyhedron): Do not use
2736         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2737         pbb_nb_scattering_transform.
2738         (graphite_legal_transform_dr): Same.
2739         * graphite-poly.c (extend_scattering): Same.
2740         (unify_scattering_dimensions): Same.
2741         (print_scattering_function): Same.
2742         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2743         PBB_NB_LOCAL_VARIABLES.
2744         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2745         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2746         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2747         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2748         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2749         (pbb_nb_scattering_transform): New.
2750         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2751         (psco_scattering_dim): Add assert on parameters.
2752         (psct_scattering_dim): Same.
2753         (psct_scattering_dim_for_loop_depth): Declared.
2754         (psct_local_var_dim): New.
2755         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2756         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2757         correct layout, call pbb_nb_local_vars.
2758         (psct_add_local_variable, psct_add_scattering_dimension): New.
2759         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2760         Initialize PBB_NB_SCATTERING_TRANSFORM.
2761
2762 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2765         (set_coef): Renamed ppl_set_coef.
2766         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2767
2768 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2769
2770         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2771         test a boolean against 1.
2772         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2773         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2774         (pbb_do_interchange): Returns true when a transform has been performed.
2775         (scop_do_interchange): Same.
2776         * graphite-poly.c (apply_poly_transforms): Use the return value of
2777         scop_do_interchange.
2778         * graphite-poly.h (scop_do_interchange): Update declaration.
2779
2780 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2783         after last use.
2784         * sese.c (sese_reset_aux_in_loops): New.
2785         * sese.h (sese_reset_aux_in_loops): New.
2786
2787 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2790         multiplier and multiply the constant by the multiplier.
2791         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2792         (build_poly_dr): Do not use the multiplier to define the subscript.
2793
2794 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2797         compiler's data reference.  Initialize PDR_CDR.
2798         (print_pdr): Call dump_data_reference.
2799         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2800         Add compiler_dr field.
2801         (PDR_BB): Renamed PDR_PBB.
2802         (PDR_CDR): New.
2803         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2804         GCC's data reference representation.
2805         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2806         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2807
2808 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * graphite-poly.c (print_scattering_function): Also print the layout.
2811         * graphite-poly.h (pbb_nb_local_vars): New.
2812
2813 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2816
2817 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * graphite-poly.c (print_pdr, debug_pdr): New.
2820         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2821         (PDR_BASE): Removed.
2822
2823 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2824
2825         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2826         ltrans-{1..6,8}.c.
2827
2828 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2831         subscript identification column.
2832         (pbb_do_interchange): Print to dump_file that some loops "will be
2833         interchanged".  Rely on that chain of characters in the testcases.
2834         * gcc.dg/graphite/interchange-0.c: New.
2835         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2836         interchange-*.c files and compile them with -floop-interchange.
2837
2838 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2839
2840         * graphite-interchange.c (interchange_profitable_p): Renamed
2841         pbb_interchange_profitable_p.
2842
2843 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2844             Harsha Jagasia  <harsha.jagasia@amd.com>
2845             Pranav Garg  <pranav.garg2107@gmail.com>
2846
2847         * graphite-interchange.c (interchange_profitable_p): Make static.
2848         (pbb_interchange_loop_depths, pbb_do_interchange,
2849         scop_do_interchange): New.
2850         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2851         for flag_loop_interchange.
2852         * graphite-poly.h (scop_do_interchange): Declared.
2853         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2854         flag_loop_interchange is used.
2855
2856 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * graphite-dependences.c (dependence_polyhedron): Update use of
2859         pbb_nb_scattering_dims.
2860         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2861         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2862         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2863         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2864
2865 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         * graphite.c: Cleanup foo.
2868
2869 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * Merge from mainline (r143684:148293).
2872         * Disabled libpcp until it gets fixed.
2873
2874 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2875             Harsha Jagasia  <harsha.jagasia@amd.com>
2876
2877         * graphite-interchange.c: New.
2878         * Makefile.in (graphite-interchange.o): New.
2879         * graphite-poly.h (interchange_profitable_p): Declared.
2880         * graphite-ppl.h (value_max): New.
2881
2882 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2885         * graphite-poly.h: Fix some comments.
2886         (pdr_dim): New.
2887         (pdr_scop): New.
2888
2889 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * graphite-poly.h
2892         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2893         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2894         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2895         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2896         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2897         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2898         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2899         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2900         * graphite-clast-to-gimple.c: Same.
2901         * graphite-dependences.c: Same.
2902         * graphite-poly.c: Same.
2903         * graphite-sese-to-poly.c: Same.
2904
2905 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2908         expressions for an IV rename, as returned by clast_to_gcc_expression.
2909         (copy_renames): Rename new_name to expr.
2910         * sese.c (debug_rename_elt): Same.
2911         (get_rename): Same.
2912         (set_rename): Same.
2913         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2914         the information from the rename map.
2915         (rename_variables_in_stmt): Same.
2916         (add_loop_exit_phis): Rename new_name to expr.
2917         (insert_loop_close_phis): Same.
2918         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2919         * sese.h (struct rename_map_elt): Rename new_name to expr.
2920         (new_rename_map_elt): Same.
2921
2922 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2925         * sese.c (set_rename): Make it extern.
2926         * sese.h (set_rename): Declared.
2927
2928 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * graphite-poly.c (extend_scattering): Free values.
2931         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2932         Free iterators.
2933         (ppl_print_powerset_matrix): Same.
2934         * graphite-scop-detection.c (free_scops_1): New.
2935         (limit_scops): Call free_scops_1.
2936         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2937         (build_poly_dr): Free PPL coefficients.
2938         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2939
2940 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         * graphite-dependences.c: New.
2943         * graphite-data-ref.c: Removed.
2944         * graphite-data-ref.h: Removed.
2945         * Makefile.in (graphite-data-ref.o): Removed.
2946         (graphite-dependences.o): Added.
2947         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2948         * graphite-poly.c: Same.
2949         Move the data dependence testing to graphite-dependences.c.
2950
2951 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2952
2953         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2954         from graphite_cannot_represent_loop. Code refactored.
2955         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2956
2957 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2958
2959         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2960         Cover all the testcases (not only the filtered ones).
2961
2962 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2963
2964         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2965         unnecessary check. Update comments. Move check for REAL_TYPE here.
2966         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2967         done in (stmt_simple_for_scop_p).
2968
2969 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2970
2971         * graphite.c (print_global_statistics): New.
2972         (print_graphite_scop_statistic): New.
2973         (print_graphite_statistics): New.
2974         (graphite_initialize, graphite_transform_loops): Print statistics.
2975         * graphite-scop-detection (build_scops): Print statistics.
2976         (print_graphite_scop_statistics): New.
2977         (print_graphite_statistics): New.
2978
2979 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2982         (debug_clast_name_index): Removed.
2983         (debug_clast_name_indexes_1): Removed.
2984         (debug_clast_name_indexes): Removed.
2985         (clast_name_index_elt_info): Removed.
2986         (eq_clast_name_indexes): Removed.
2987         (clast_name_to_index): Removed.
2988         (new_clast_name_index): Removed.
2989         (save_clast_name_index): Removed.
2990         (save_var_name): Moved...
2991         (init_sese_params_index): Removed.
2992         (clast_name_to_gcc): Remove use of name_tree.
2993         (initialize_cloog_names): Same.
2994         (gloog): Do not call init_sese_params_index.
2995         * graphite-sese-to-poly.c (save_var_name): ...here.
2996         (parameter_index_in_region): New.
2997         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2998         (parameter_index_in_region): Removed.
2999         (is_parameter): Remove use of name_tree.
3000         * sese.h (struct name_tree): Removed.
3001         (struct sese): Remove use of name_tree.  New field params_names.
3002         (SESE_PARAMS_NAMES): New.
3003         (SESE_PARAMS): Remove duplicate.
3004         (parameter_index_in_region): Removed.
3005         (sese_nb_params): Remove use of name_tree.
3006         (struct clast_name_index): New.
3007         (new_clast_name_index): New.
3008         (clast_name_to_index): New.
3009         (save_clast_name_index): New.
3010         (debug_clast_name_index): New.
3011         (debug_clast_name_indexes_1): New.
3012         (debug_clast_name_indexes): New.
3013         (clast_name_index_elt_info): New.
3014         (eq_clast_name_indexes): New.
3015
3016 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3019         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3020         (graphite_loop_normal_form): Do not pass region.  Do not
3021         initialize SESE_OLDIVS.
3022         (build_graphite_loop_normal_form): Update call to
3023         graphite_loop_normal_form.
3024         * sese.c (debug_oldivs): Removed.
3025         (new_sese): Do not initialize SESE_OLDIVS.
3026         (free_sese): Do not free SESE_OLDIVS.
3027         (oldiv_for_loop): Removed.
3028         * sese.h (struct sese): Remove old_ivs.
3029         (SESE_OLDIVS): Removed.
3030         (oldiv_for_loop): Removed.
3031
3032 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3035         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3036         replaced by a call to newivs_to_depth_to_newiv.
3037         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3038         (clast_to_gcc_expression_red): Same.
3039         (gcc_type_for_clast_expr): Same.
3040         (gcc_type_for_clast_eq): Same.
3041         (graphite_translate_clast_equation): Same.
3042         (graphite_create_guard_cond_expr): Same.
3043         (graphite_create_new_guard): Same.
3044         (graphite_create_new_loop): Same.
3045         (build_iv_mapping): Same.
3046         (translate_clast): Same.
3047         (gloog): Same.
3048         (loop_iv_stack_patch_for_consts): Removed.  *
3049         sese.c (iv_stack_entry_is_constant): Removed.
3050         (iv_stack_entry_is_iv): Removed.
3051         (loop_iv_stack_push_iv): Removed.
3052         (loop_iv_stack_insert_constant): Removed.
3053         (loop_iv_stack_pop): Removed.
3054         (loop_iv_stack_get_iv): Removed.
3055         (loop_iv_stack_get_iv_from_name): Removed.
3056         (debug_loop_iv_stack): Removed.
3057         (free_loop_iv_stack): Removed.
3058         (loop_iv_stack_remove_constants): Removed.  *
3059         sese.h (iv_stack_entry_kind): Removed.
3060         (iv_stack_entry_data_union): Removed.
3061         (iv_stack_entry_struct): Removed.
3062         (iv_stack_entry_p): Removed.
3063         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3064         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3065         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3066         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3067         (gbb_loop_at_index): Fix indenting.
3068         (gbb_loop_index): Removed.
3069
3070 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3073         Call clast_name_to_index.
3074
3075 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3078         do not pass params.  Get params from SESE_PARAMS.
3079         (clast_to_gcc_expression): Same.
3080         (clast_to_gcc_expression_red): Same.
3081         (gcc_type_for_clast_eq): Same.
3082         (graphite_translate_clast_equation): Same.
3083         (graphite_create_new_loop): Same.
3084         * sese.c (rename_variables_in_stmt): Fix comment.
3085
3086 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3087
3088         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3089         newivs_index.
3090         Call save_clast_name_index.
3091         (translate_clast): Pass newivs_index.
3092         (gloog): Create and free newivs_index.
3093
3094 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3097         (clast_name_index_p): New type.
3098         (debug_clast_name_index): New.
3099         (debug_clast_name_indexes_1): New.
3100         (debug_clast_name_indexes): New.
3101         (clast_name_index_elt_info): New.
3102         (eq_clast_name_indexes): New.
3103         (clast_name_to_index): New.
3104         (new_clast_name_index): New.
3105         (save_clast_name_index): New.
3106         (init_sese_params_index): New.
3107         (gloog): Call init_sese_params_index.
3108         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3109         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3110         (free_sese): Free SESE_PARAMS_INDEX.
3111         * sese.h (struct sese): Add params_index.
3112         (SESE_PARAMS_INDEX): New.
3113
3114 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3117         (graphite_create_new_loop): Pass the newivs vector.  Push the
3118         newly created IV to newivs.
3119         (translate_clast): Pass the newivs vector.
3120         (gloog): Create and destroy the newivs vector.
3121
3122 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3125         (graphite_loop_normal_form): Initialize loop->aux with the unique
3126         IV that has been created.
3127
3128 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3131         scev with parameters in the base part. They where forbidden
3132         exidently.
3133
3134 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3135
3136         * gcc.dg/graphite/graphite.exp: Set different default
3137         compile options by file names.
3138         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3139         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3140         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3141         * gcc.dg/graphite/scop-matmult.c: Ditto.
3142
3143 2009-05-08  Li Feng <nemokingdom@gmail.com>
3144
3145         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3146         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3147         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3148         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3149
3150 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3151
3152         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3153         by final cleanup.
3154
3155 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3156
3157         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3158         allow integer constant strides.
3159         (graphite_can_represent_expr): Depend on outermost_loop.
3160         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3161         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3162         build_scops_1): Same.
3163         (scopdet_basic_block_info): Same and insert layered SCoP
3164         detection.
3165         (try_generate_gimple_bb): Cleanup.
3166         (build_scops): Enable data references.
3167
3168         * gcc.dg/graphite/id-5.c: New.
3169         * gcc.dg/graphite/id-9.c: New.
3170         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3171         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3172
3173 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3174
3175         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3176         that we have not yet built for this SCoP.
3177
3178 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3179
3180         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3181         for complex numbers.
3182
3183 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3184
3185         * graphite-ppl.c: Fix build if cloog is not available.
3186
3187 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3188
3189         * tree-parloops.c (loop_parallel_p): Remove construction of
3190         NITER and REDUCTION_LIST.
3191         (try_get_loop_niter): New.
3192         (try_create_reduction_list): New.
3193         (parallelize_loops): Bypass the failed checkings in autopar
3194         when can_be_parallel in loop structure is set to true.
3195
3196 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3197
3198         * gcc.dg/graphite/id-6.c: Update testcase.
3199         * gcc.dg/graphite/scop-3.c: Dito.
3200
3201 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3202
3203         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3204         Enable EQ_EXPR and NE_EXPR again.
3205
3206 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * graphite-scop-detection.c (graphite_can_represent_scev):
3209         Add check if scev is affine multivariate.
3210         (harmful_stmt_in_bb): Check if we can represent the conditions.
3211         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3212         harmful_stmt_in_bb.
3213         * gcc.dg/graphite/id-7.c: New.
3214
3215 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3216
3217         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3218         Check all bbs in region, not only the bbs that are represented in
3219         GRAPHITE.
3220         (build_poly_scop): Add newline.
3221         * gcc.dg/graphite/id-8.c: New.
3222
3223 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3224
3225         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3226         when loop initialize.
3227         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3228         * common.opt: Declare flag_graphite_force_parallel.
3229         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3230         loop parallel.
3231         * graphite-poly.c (apply_poly_transforms): Introduce
3232         flag_graphite_force_parallel.
3233         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3234         * toplev.c (process_options): ditto and replace a not correctly
3235         encoded space.
3236
3237 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3238
3239         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3240         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3241         to the redefinition.
3242         (compute_cloog_iv_types_1): ditto.
3243         (build_iv_mapping): ditto.
3244         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3245         initialization.
3246         (free_gimple_bb): Removed GBB_LOOPS related free part.
3247         (build_bb_loops): Removed.
3248         * sese.h (struct gimple_bb): Removed loops.
3249         (GBB_LOOPS): Removed.
3250         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3251         (gbb_loop_index): ditto.
3252
3253 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3256         allow non constant strides.
3257         * gcc.dg/graphite/scop-20.c: New.
3258
3259 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-scop-detection.c (dot_all_scops): Fix system call
3262         return value warning.
3263         (dot_scop): Same.
3264
3265 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * gcc.dg/graphite/id-6.c: Fix pattern.
3268         * gcc.dg/graphite/scop-3.c: Same.
3269
3270 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3273         build_pairwise_constraint, dr_equality_constraints,
3274         build_pairwise_scheduling_equality,
3275         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3276         build_lexicographically_gt_constraint, dependence_polyhedron,
3277         graphite_legal_transform_dr, graphite_legal_transform_bb,
3278         graphite_legal_transform): New.
3279         * graphite-poly.h (graphite_legal_transform): Declared.
3280         * graphite-sese-to-poly.c (build_poly_scop): Call to
3281         graphite_legal_transform is disabled for the moment.
3282
3283 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         * graphite-poly.h (pbb_nb_scattering_dims): New.
3286         (pbb_nb_scattering): Use it.
3287
3288 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3291         Pointset_Powerset version of ppl_insert_dimensions.
3292         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3293
3294 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3295
3296         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3297
3298 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-poly.h: Fix comment.
3301
3302 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3305
3306 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3307
3308         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3309         statements.
3310
3311 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3312
3313         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3314         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3315         conditions.
3316
3317 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3320         handle EQ_EXPR and NE_EXPR.
3321
3322 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3323
3324         * graphite-poly.h (poly_dr): Fix comment.
3325
3326 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3327             Tobias Grosser  <grosser@fim.uni-passau.de>
3328
3329         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3330         with a zero dimension polyhedron.
3331         (find_scop_parameters): Move the call to scop_set_nb_params here.
3332         (build_loop_iteration_domains): Store in loop->aux the iteration
3333         domain polyhedron.
3334         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3335         by any loop in scop.
3336         (build_poly_scop): Do not call scop_set_nb_params.
3337
3338 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3339             Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3342         add_condition_to_domain not GT_EXPR.
3343
3344 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3345
3346         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3347         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3348         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3349         upper_bound_assign to calculate unions.
3350         * gcc.dg/graphite/id-6.c: New.
3351
3352 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3353
3354         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3355         handle abnormal edges.
3356
3357 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3358
3359         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3360         (free_poly_bb): Also free poly_drs.
3361         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3362         (poly_dr): Polyhedron to Pointset_Powerset.
3363         (pdr_accessp_nb_subscripts): Same.
3364         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3365         poly_drs.
3366
3367 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3370         names into more meaningful names.
3371
3372 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * gfortran.dg/graphite/interchange-1.c: New.
3375         * gfortran.dg/graphite/interchange-2.c: New.
3376
3377 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3380         the reduction_list.
3381         * tree-parloops.c (rewrite_phi_with_iv): New.
3382         (rewrite_all_phi_nodes_with_iv): New.
3383         (canonicalize_loop_ivs): Call them.
3384
3385 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3388         graphite_find_data_references_in_stmt.
3389         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3390         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3391
3392 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3395
3396 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3399         instead of bb_in_region.
3400         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3401         (build_sese_conditions): Use flag_bb_in_sese.
3402         * sese.c (register_bb_in_sese): Removed.
3403         (new_sese): Remove initialization of SESE_REGION_BBS.
3404         (free_sese): Do not free SESE_REGION_BBS.
3405         * sese.h (struct sese): Remove field region_basic_blocks.
3406         (SESE_REGION_BBS): Removed.
3407         (bb_in_sese_p): Implement in function of bb_in_region.
3408
3409 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3412         loops.
3413
3414 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3415
3416         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR