gcc/ChangeLog.graphite

   1 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite.c (graphite_initialize): To bound the number of bbs per
   4         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
   5         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
   6         * doc/invoke.texi: Document it.
   7
   8 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
  11         * graphite-sese-to-poly.h (build_poly_scop): Same.
  12
  13 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
  16         the number of parameters in the scop.  Use as an upper bound
  17         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
  18         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
  19         * doc/invoke.texi: Document it.
  20
  21 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * graphite-sese-to-poly.c (add_param_constraints): Use
  24         lower_bound_in_type and upper_bound_in_type.
  25
  26 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  27
  28         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
  29         instead of unsigned_type_node.
  30
  31 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  32             Reza Yazdani  <reza.yazdani@amd.com>
  33
  34         PR middle-end/43065
  35         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
  36         on pointer type parameters.
  37
  38         * gcc.dg/graphite/run-id-4.c: New.
  39
  40 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         PR middle-end/43065
  43         * gcc.dg/graphite/run-id-3.c: New.
  44
  45 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
  46             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  47
  48         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
  49         handle conversions from pointer to integers.
  50         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
  51         induction variable, to be able to work with code generated by CLooG.
  52         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
  53         (build_poly_scop): Bail out if we cannot codegen a loop.
  54
  55 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
  56
  57         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
  58         code generation with gloog_error.
  59
  60 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
  63         Call fold_convert on all the returned values.
  64         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
  65         the type of the resulting expression.
  66
  67 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
  70         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
  71         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
  72
  73 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * graphite-dependences.c (map_into_dep_poly): Removed.
  76         (dependence_polyhedron_1): Use combine_context_id_scat.
  77
  78 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
  79
  80         * graphite-poly.h (struct poly_scattering): Add layout documentation.
  81         (struct poly_bb): Same.
  82         (combine_context_id_scat): New.
  83
  84 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         PR middle-end/42326
  87         * sese.c (name_defined_in_loop_p): Return false for default
  88         definitions.
  89
  90         * gcc.dg/graphite/pr42326.c: New.
  91
  92 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  93
  94         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
  95         and clean up the logic.
  96
  97 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
  98
  99         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 100         early return.
 101
 102 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         PR middle-end/43083
 105         * graphite-scop-detection.c (create_single_exit_edge): Move
 106         the call to find_single_exit_edge to....
 107         (create_sese_edges): ...here.  Don't handle multiple edges
 108         exiting the function.
 109         (build_graphite_scops): Don't handle multiple edges
 110         exiting the function.
 111
 112         * gcc.dg/graphite/pr43083.c: New.
 113
 114 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         PR middle-end/43097
 117         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 118         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 119
 120         * gfortran.dg/graphite/pr43097.f: New.
 121
 122 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 123             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 124
 125         PR middle-end/43140
 126         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 127
 128 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         PR middle-end/43026
 131         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 132
 133         * g++.dg/graphite/pr43026.C: New.
 134
 135 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 136
 137         * Merge from mainline (154736:156693).
 138
 139 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 140
 141         PR middle-end/43012
 142         * gcc.dg/graphite/pr43012.c: New.
 143
 144 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 145
 146         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 147 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * g++.dg/graphite/pr42930.C: New.
 150
 151 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         PR middle-end/42930
 154         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 155         graphite_can_represent_init for MULT_EXPR.
 156
 157 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 158
 159         PR middle-end/42914
 160         PR middle-end/42530
 161         * graphite-sese-to-poly.c (remove_phi): New.
 162         (translate_scalar_reduction_to_array): Call remove_phi.
 163
 164         * gcc.dg/graphite/pr42530.c: New.
 165         * gcc.dg/graphite/pr42914.c: New.
 166
 167 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         PR middle-end/42771
 170         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 171         * graphite-clast-to-gimple.h (gloog): Update declaration.
 172         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 173         * graphite-poly.h (struct poly_bb): Add missing comments.
 174         (struct scop): Add poly_scop_p field.
 175         (POLY_SCOP_P): New.
 176         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 177         * graphite.c (graphite_transform_loops): Build the polyhedral
 178         representation for each scop before code generation.
 179         * sese.c (rename_variables_in_operand): Removed.
 180         (rename_variables_in_expr): Return the renamed expression.
 181         (rename_sese_parameters): New.
 182         * sese.h (rename_sese_parameters): Declared.
 183
 184         * gcc.dg/graphite/pr42771.c: New.
 185
 186 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 187
 188         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 189         return 0 from main.
 190         * gcc.dg/graphite/block-1.c: Same.
 191         * gcc.dg/graphite/block-3.c: Same.
 192         * gcc.dg/graphite/block-4.c: Same.
 193         * gcc.dg/graphite/block-5.c: Same.
 194         * gcc.dg/graphite/block-6.c: Same.
 195         * gcc.dg/graphite/block-7.c: Same.
 196         * gcc.dg/graphite/interchange-0.c: Same.
 197         * gcc.dg/graphite/interchange-1.c: Same.
 198         * gcc.dg/graphite/interchange-10.c: Same.
 199         * gcc.dg/graphite/interchange-11.c: Same.
 200         * gcc.dg/graphite/interchange-12.c: Same.
 201         * gcc.dg/graphite/interchange-2.c: Same.
 202         * gcc.dg/graphite/interchange-3.c: Same.
 203         * gcc.dg/graphite/interchange-4.c: Same.
 204         * gcc.dg/graphite/interchange-5.c: Same.
 205         * gcc.dg/graphite/interchange-6.c: Same.
 206         * gcc.dg/graphite/interchange-7.c: Same.
 207         * gcc.dg/graphite/interchange-8.c: Same.
 208         * gcc.dg/graphite/interchange-9.c: Same.
 209         * gcc.dg/graphite/interchange-mvt.c: Same.
 210
 211 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * gfortran.dg/graphite/id-19.f: New.
 214         * gfortran.dg/graphite/pr14741.f90: New.
 215         * gfortran.dg/graphite/pr41924.f90: New.
 216         * gfortran.dg/graphite/run-id-2.f90: New.
 217
 218 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         PR middle-end/42988
 221         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 222         to unknown_dependence.
 223         (graphite_legal_transform_dr): Handle the unknown_dependence.
 224         (graphite_carried_dependence_level_k): Same.
 225
 226 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 229
 230 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 231             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 232
 233         PR middle-end/42637
 234         * graphite-dependences.c (build_lexicographical_constraint): Return
 235         a union of dependence polyhedra.
 236         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 237
 238         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 239         * gcc.dg/graphite/block-4.c: Same.
 240         * gcc.dg/graphite/block-7.c: Same.
 241         * gcc.dg/graphite/interchange-12.c: Same.
 242         * gcc.dg/graphite/interchange-mvt.c: Same.
 243         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 244         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 245         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 246
 247 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 250         the execution check to FAIL.  This testcase is miscompiled by Graphite
 251         and the check should be re-enabled.
 252         * gcc.dg/graphite/interchange-mvt.c: Same.
 253         * gcc.dg/graphite/block-0.c: Same.
 254         * gcc.dg/graphite/block-4.c: Same.
 255         * gcc.dg/graphite/block-7.c: Same.
 256
 257 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 260         * gcc.dg/graphite/scop-0.c: Fix spaces.
 261         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 262         * gfortran.dg/graphite/block-2.f: Same.
 263         * gfortran.dg/graphite/block-3.f90: Same.
 264         * gfortran.dg/graphite/block-4.f90: Same.
 265         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 266         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 267
 268 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 269
 270         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 271         PDDR_ORIGINAL_SCATTERING_P.
 272         (pddr_is_empty): Rewritten.
 273         (print_dependence_polyhedron_layout): New.
 274         (print_pddr): New.
 275         (debug_pddr): New.
 276         (build_alias_set_powerset): Moved up.
 277         (poly_drs_may_alias_p): Moved up.
 278         (lexicographically_gt_p): Removed.
 279         (build_lexicographically_gt_constraint): Renamed
 280         build_lexicographical_constraint, reimplemented.
 281         (dependence_polyhedron_1): Simplified parameters.
 282         (dependence_polyhedron): Same.  Keep along empty PDDRs
 283         to make efficient use of the cache.
 284         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 285         (graphite_legal_transform_dr): Rewritten.
 286         (graphite_legal_transform_bb): Pass fewer arguments to
 287         graphite_legal_transform_dr.
 288         (graphite_carried_dependence_level_k): Simplified implementation.
 289         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 290         (dot_transformed_deps_stmt_1): Same.
 291         (dot_original_deps): Same.
 292         (dot_transformed_deps): Same.
 293         * graphite-dependences.h (struct poly_ddr): Added a new field
 294         original_scattering_p.
 295         (PDDR_ORIGINAL_SCATTERING_P): New.
 296         (print_pddr): Declared.
 297         (debug_pddr): Declared.
 298         * graphite-ppl.c: Clarify comment.
 299         * sese.h (print_gimple_bb): Removed unused declaration.
 300         (debug_gbb): Same.
 301
 302 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * g++.dg/graphite/graphite.exp: Rewritten.
 305         * gcc.dg/graphite/graphite.exp: Rewritten.
 306         * gfortran.dg/graphite/graphite.exp: Rewritten.
 307         * gcc.dg/graphite/block-0.c: Added runtime test.
 308         * gcc.dg/graphite/block-1.c: Same.
 309         * gcc.dg/graphite/block-3.c: Same.
 310         * gcc.dg/graphite/block-4.c: Same.
 311         * gcc.dg/graphite/block-5.c: Same.
 312         * gcc.dg/graphite/block-6.c: Same.
 313         * gcc.dg/graphite/block-7.c: Same.
 314         * gcc.dg/graphite/interchange-0.c: Same.
 315         * gcc.dg/graphite/interchange-1.c: Same.
 316         * gcc.dg/graphite/interchange-10.c: Same.
 317         * gcc.dg/graphite/interchange-11.c: Same.
 318         * gcc.dg/graphite/interchange-12.c: Same.
 319         * gcc.dg/graphite/interchange-2.c: Same.
 320         * gcc.dg/graphite/interchange-3.c: Same.
 321         * gcc.dg/graphite/interchange-4.c: Same.
 322         * gcc.dg/graphite/interchange-5.c: Same.
 323         * gcc.dg/graphite/interchange-6.c: Same.
 324         * gcc.dg/graphite/interchange-7.c: Same.
 325         * gcc.dg/graphite/interchange-8.c: Same.
 326         * gcc.dg/graphite/interchange-9.c: Same.
 327         * gcc.dg/graphite/interchange-mvt.c: Same.
 328         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 329
 330 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 331
 332         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 333           background.
 334
 335 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 336
 337         * common.opt: Add -fgraphite-cloog-opts.
 338         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 339         * opts.c (decode_options): Same.
 340
 341 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * gcc.dg/graphite/id-17.c: New.
 344         * gcc.dg/graphite/pr41888.c: New.
 345         * gcc.dg/graphite/scop-22.c: New.
 346         * gfortran.dg/graphite/pr40982.f90: New.
 347
 348 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-dependences.c: Clarify comments.
 351         (build_pddr): Add an extra parameter direction.
 352         (graphite_legal_transform_dr): Use build_pddr.
 353         (dot_original_deps_stmt_1): Update use of build_pddr.
 354         (dot_transformed_deps_stmt_1): Same.
 355         (dot_original_deps): Same.
 356         (dot_transformed_deps): Same.
 357
 358         * gcc.dg/graphite/interchange-12.c: New.
 359         * gcc.dg/graphite/block-7.c: New.
 360
 361 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 362
 363         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 364         (pddr_transformed_scattering): Removed.
 365         (graphite_legal_transform_dr): Use build_pddr.
 366         (dot_original_deps_stmt_1): Same.
 367         (dot_transformed_deps_stmt_1): Same.
 368         (dot_original_deps): Same.
 369         (dot_transformed_deps): Same.
 370
 371 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 372
 373         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 374         (build_lexicographically_gt_constraint): Same.
 375         (dependence_polyhedron_1): Same.
 376         (dependence_polyhedron): Same.
 377
 378 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 381         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 382         (lexicographically_gt_p): Change type of direction to int.
 383         (build_lexicographically_gt_constraint): Same.
 384         (dependence_polyhedron_1): Same.
 385         (dependence_polyhedron): Same.
 386         (pddr_original_scattering): Use integers for direction.
 387         (pddr_transformed_scattering): Same.
 388         (graphite_legal_transform_dr): Same.
 389         (graphite_carried_dependence_level_k): Same.
 390
 391 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 392
 393         * graphite-dependences.c (build_pairwise_constraint): Renamed
 394         ppl_build_relation.  Moved...
 395         (dr_equality_constraints): Use ppl_build_relation.
 396         (build_pairwise_scheduling_equality): Same.
 397         (build_pairwise_scheduling_inequality): Same.
 398         * graphite-ppl.c (ppl_build_relation): ...here.
 399         * graphite-ppl.h (ppl_build_relation): Declared.
 400
 401 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 402
 403         PR middle-end/42681
 404         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 405         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 406         Set gloog_error when such an expression failed to be built.
 407         (translate_clast): Early return when gloog_error is set.
 408         (gloog): Clear gloog_error.  When gloog_error is set, call
 409         set_ifsese_condition to enable the original code.  Return the status
 410         of the code generation based on gloog_error.
 411         * sese.c (set_ifsese_condition): New.
 412         * sese.h (set_ifsese_condition): Declared.
 413
 414         * g++.dg/graphite/pr42681.C: New.
 415
 416 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 417
 418         PR middle-end/42732
 419         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 420         rename_nb_iterations.
 421         * sese.c (rename_variables_in_operand): New.
 422         (rename_variables_in_expr): New.
 423         (rename_nb_iterations): New.
 424         (sese_adjust_liveout_phis): Update the rename_map.
 425         * sese.h (rename_nb_iterations): Declared.
 426         * tree-scalar-evolution.c (scev_reset_htab): New.
 427         (scev_reset): Call scev_reset_htab.
 428         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 429
 430         * gfortran.dg/graphite/pr42732.f: New.
 431
 432 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 433
 434         PR middle-end/42393
 435         * graphite-clast-to-gimple.c: Fix formatting.
 436         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 437         (expr_defined_in_loop_p): New.
 438         (add_loop_exit_phis): Also handle full expressions: remove from
 439         the rename_map the expressions defined in the loop that we're closing.
 440
 441         * gfortran.dg/graphite/pr42393-1.f90: New.
 442         * gfortran.dg/graphite/pr42393.f90: Add new flags
 443         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 444         make this testcase useful in the Graphite branch.
 445
 446 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         * graphite-scop-detection.c (exclude_component_ref): Removed.
 449         (is_simple_operand): Removed.
 450         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 451
 452 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         PR middle-end/42221
 455         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 456         the array indexing of ADDR_EXPRs.
 457
 458         * gcc.dg/graphite/pr42221.c: New.
 459
 460 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 461
 462         PR middle-end/42521
 463         * graphite.c (graphite_finalize): Call scev_reset.
 464         (graphite_transform_loops): Do not call scev_reset between the code
 465         generation of scops.
 466
 467         * gcc.dg/graphite/pr42521.c: New.
 468
 469 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * graphite-interchange.c (memory_stride_in_loop): Renamed
 472         pdr_stride_in_loop.
 473         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 474         (memory_strides_in_loop): Memoize the memory strides per loop.
 475         (lst_interchange_profitable_p): Do not initialize to zero the memory
 476         strides.
 477         * graphite-poly.h (struct lst): Add a field memory_strides.
 478         (LST_LOOP_MEMORY_STRIDES): New.
 479         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 480         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 481
 482 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 483
 484         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 485         memory_strides_in_loop.  Gather memory strides on a whole loop.
 486         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 487         (lst_interchange_profitable_p): Removed.
 488         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 489
 490 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 491
 492         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 493         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 494         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 495         Remove context_loop and level.
 496
 497 2010-01-07  Richard Guenther  <rguenther@suse.de>
 498
 499         PR tree-optimization/42641
 500         * sese.c (rename_map_elt_info): Use the SSA name version, do
 501         not hash pointers.
 502
 503 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 506         blocked" only when both the strip mine and the interchange have
 507         been applied.
 508
 509         * gcc.dg/graphite/block-2.c: Removed.
 510         * gcc.dg/graphite/block-3.c: Add scan pattern.
 511         * gcc.dg/graphite/block-4.c: Same.
 512         * gcc.dg/graphite/block-5.c: Same.
 513         * gcc.dg/graphite/block-6.c: Same.
 514
 515 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 516
 517         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 518         before allocating a new one.
 519         (copy_renames): Check that slot is not NULL.
 520         (mark_bb_with_pbb): Same.
 521         (compute_cloog_iv_types_1): Same.
 522         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 523         nest, and after LSTs.
 524         (lst_try_interchange_loops): Same.
 525
 526 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 527
 528         PR middle-end/42178
 529         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 530         the before, nest, and after LSTs.
 531         (lst_try_interchange): Removed.
 532         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 533         were modified.
 534         (lst_interchange_select_outer): Apply interchange on the outer loop
 535         until there are no more changes in the inner loops.
 536
 537 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         Revert patch fixing PR middle-end/42221.
 540
 541 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         PR middle-end/42180
 544         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 545         GIMPLE_CALL.
 546
 547         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 548
 549 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 550
 551         PR middle-end/42180
 552         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 553         that contain only one statement.
 554
 555         * gfortran.dg/graphite/pr42180.f90: New.
 556
 557 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 558
 559         PR middle-end/42393
 560         * gfortran.dg/graphite/pr42393.f90: New.
 561
 562 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         PR middle-end/42186
 565         * gfortran.dg/graphite/pr42186.f90: New.
 566
 567 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 568
 569         PR middle-end/42205
 570         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 571         Insert the reduction copy in the same block as the phi node.
 572         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 573
 574         * gcc.dg/graphite/pr42205-1.c: New.
 575         * gcc.dg/graphite/pr42205-2.c: New.
 576
 577 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         PR middle-end/42221
 580         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 581         the array indexing of ADDR_EXPRs.
 582
 583         * gcc.dg/graphite/pr42221.c: New.
 584
 585 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         PR middle-end/42178
 588         PR middle-end/42334
 589         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 590         index.  Call lst_interchange_select_inner only once.
 591         (lst_interchange_select_inner): Update use of lst_try_interchange.
 592         (lst_interchange_select_outer): Update.
 593
 594 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         PR middle-end/42178
 597         PR middle-end/42334
 598         * graphite-interchange.c (lst_try_interchange): Do not increment the
 599         the OUTER index when there is no AFTER kernel.  Do not increment the
 600         OUTER index for after processing the AFTER kernel.
 601         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 602         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 603         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 604         (scop_do_interchange): Update use of lst_interchange_select_outer.
 605
 606         * gfortran.dg/graphite/graphite.exp
 607         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 608         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 609         the graphite dump file.
 610         * gfortran.dg/graphite/interchange-2.f: Same.
 611         * gfortran.dg/graphite/pr42334-1.f: New.
 612
 613 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         PR middle-end/42178
 616         PR middle-end/42334
 617         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 618         that are empty.
 619         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 620         (lst_try_interchange): Reimplemented.
 621         (lst_interchange_select_inner): Same.
 622         (lst_do_interchange): Renamed lst_interchange_select_outer.
 623         Reimplemented.
 624         (scop_do_interchange): Update use of lst_interchange_select_outer.
 625
 626         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 627         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 628         * gcc.dg/graphite/pr42211.c: New.
 629         * gfortran.dg/graphite/pr42334.f90: New.
 630
 631 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         PR middle-end/42181
 634         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 635         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 636
 637         * gfortran.dg/graphite/pr42181.f90: New.
 638
 639 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 640
 641         PR middle-end/42284
 642         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 643         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 644         (detect_commutative_reduction_arg): Simplified.
 645         (detect_commutative_reduction): Early return when the argument of
 646         the close phi is not of an SSA_NAME.
 647
 648         * gcc.dg/graphite/pr42284.c: New.
 649
 650 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 651
 652         * dbgcnt.def (graphite_scop): New counter.
 653         * graphite.c: Include dbgcnt.h
 654         (graphite_transform_loops): Use new counter to limit transformations.
 655
 656 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 657
 658         PR middle-end/42285
 659         * graphite-scop-detection.c (graphite_can_represent_init): Also
 660         handle more complex MULT_EXPRs containing parameters by recursion
 661         on the structure.
 662
 663         * gfortran.dg/graphite/pr42285.f90: New.
 664
 665 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 666
 667         * g++.dg/graphite/pr42130.C: Fix type.
 668
 669 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 670
 671         * g++.dg/graphite/pr42130.C: Correct testcase.
 672
 673 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 674
 675         * Merge from mainline (154493:154734).
 676
 677 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 678
 679         * Merge from mainline (151362:154491).
 680
 681 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 682
 683         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 684         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 685
 686 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 687
 688         PR middle-end/42130
 689         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 690         translate_clast_for_loop): New.
 691         (translate_clast_for): Add a condition around the loop, to do not
 692         execute loops with zero iterations.
 693         * g++.dg/graphite/pr42130.C: New.
 694         * gcc.dg/graphite/pr35356-2.c: Adapt.
 695
 696 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 697
 698         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 699         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 700         Remove context_loop and level.
 701
 702 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 703
 704         * graphite-clast-to-gimple.c (translate_clast_user,
 705         translate_clast_for, translate_clast_guard): Simplify and move common
 706         elements to translate_clast().
 707         (translate_clast): Simplify and get common elements.
 708
 709 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 710
 711         * graphite-clast-to-gimple.c (translate_clast_user,
 712         translate_clast_for, translate_clast_guard): Split out of
 713         translate_clast.
 714
 715 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 716
 717         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 718         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 719         debug_clast_name_indexes_1, debug_clast_name_indexes,
 720         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 721         (clast_name_to_gcc, clast_to_gcc_expression,
 722         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 723         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 724         graphite_create_guard_cond_expr, graphite_create_new_loop,
 725         translate_clast): Add params_index.
 726         (initialize_cloog_names): Create parameter strings from scratch, do
 727         not reference other strings.
 728         (create_params_index): New.
 729         (gloog): Initialize params_index.
 730         * graphite-scop-detection (free_scops_1): Removed.
 731         (limit_scops): Use normal free_scops.
 732         * graphite-sese-to-poly.c (save_var_names): Removed.
 733         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 734         and SESE_PARAMS_INDEX.
 735         * sese.c (new_sese, free_sese): Dito.
 736         * sese.h (struct sese): Remove params_index, params_names.
 737         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 738
 739 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 740
 741         Revert the following patch from 2009-09-14:
 742         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 743         tree-scalar-evolution.h, and then tree-data-ref.h.
 744         * graphite-clast-to-gimple.c: Same.
 745         * graphite-dependences.c: Same.
 746         * graphite-interchange.c: Same.
 747         * graphite-poly.c: Same.
 748         * graphite-scop-detection.c: Same.
 749         * graphite-sese-to-poly.c: Same.
 750         * graphite.c: Same.
 751         * lambda-code.c: Same.
 752         * matrix-reorg.c: Same.
 753         * tree-data-ref.c: Same.
 754         * tree-if-conv.c: Same.
 755         * tree-loop-distribu: Same.: Same.
 756         * tree-loop-linear.c: Same.
 757         * tree-parloops.c: Same.
 758         * tree-predcom.c: Same.
 759         * tree-vect-patterns.c: Same.
 760
 761 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 762
 763         Revert patch from 2009-09-14.
 764         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 765         passes at -O1 and below.
 766
 767 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         PR middle-end/40281
 770         * gcc.dg/graphite/pr40281.c: New.
 771
 772         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 773         evolutions should not variate in inner loops.
 774
 775 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         PR middle-end/42050
 778         * gfortran.dg/graphite/pr42050.f90: New.
 779
 780 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 781
 782         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 783         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 784
 785 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * graphite-blocking.c (scop_do_block): New.
 788         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 789         * graphite-poly.h (scop_do_block): Declared.
 790
 791 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 794         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 795         to transform depth into the time_depth before calling
 796         pbb_number_of_iterations_at_time.
 797         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 798         lst_depth.
 799
 800 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         Reverted the patch for "scattering permutations" from 2009-10-28.
 803
 804         * graphite-poly.c (print_permutation): New.
 805         (debug_permutation): New.
 806         (new_poly_bb): Initialize PBB_PERMUTATION.
 807         (free_poly_bb): Free PBB_PERMUTATION.
 808         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 809         (struct pbb_permutation_elt): New.
 810         (PBB_PERMUTATION_ELT_STRIDE): New.
 811         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 812         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 813         (new_pbb_permutation_elt): New.
 814         (pbb_permutation_elt_free): New.
 815         (struct poly_bb): Add field permutation.
 816         (PBB_PERMUTATION): New.
 817         (print_permutation): Declared.
 818         (debug_permutation): Declared.
 819
 820 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 821
 822         * graphite-interchange.c (build_partial_difference): New.
 823         (memory_stride_in_loop): Refactored the computation of
 824         equality constraints into build_partial_difference function.
 825         Added support for debugging stride computations.
 826
 827 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * graphite-clast-to-gimple.c (gloog): Free if_region,
 830         if_region->true_region, and if_region->region.
 831         * sese.c (if_region_set_false_region): Free if_region->false_region.
 832         (create_if_region_on_edge): Do not use GGC_NEW.
 833         (move_sese_in_condition): Remove useless initialization.
 834
 835 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 836
 837         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 838         for the loops created by the loop distribution.  Do not modify the
 839         input LSTs.
 840         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 841         transformed schedule.  Call lst_update_scattering before data
 842         dependence analysis.
 843         (lst_try_interchange): Pass an extra parameter INDEX.
 844         (lst_do_interchange_1): New.
 845         (lst_do_interchange): Call lst_do_interchange_1.
 846         (scop_do_interchange): Call lst_update_scattering.
 847         * graphite-poly.c (apply_poly_transforms): Do not call
 848         lst_update_scattering.
 849         * graphite-poly.h (lst_pred): New.
 850         (lst_succ): New.
 851         (lst_find_first_pbb): Return NULL when not found.
 852         (lst_empty_p): New.
 853         (lst_insert_in_sequence): Allow LST1 to be NULL.
 854         (lst_replace): New.
 855         (lst_substitute_3): New.
 856         * gcc.dg/graphite/interchange-1.c: XFail.
 857         * gcc.dg/graphite/interchange-8.c: XFail.
 858         * gcc.dg/graphite/interchange-11.c: XFail.
 859
 860 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-interchange.c (lst_perfectly_nested_p): New.
 863         (lst_perfect_nestify): New.
 864         (lst_try_interchange_loops): Call store_lst_schedule,
 865         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 866         (scop_do_interchange): Avoid redundant legality test.
 867         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 868         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 869         * graphite-poly.h (psct_static_dim): New.
 870         (lst_dewey_number_at_depth): New.
 871         (lst_find_pbb): Restructured.
 872         (lst_find_first_pbb): Restructured.
 873         (lst_find_last_pbb): New.
 874         (lst_contains_p): New.
 875         (lst_contains_pbb): New.
 876         (lst_create_nest): New.
 877         (lst_remove_from_sequence): New.
 878         (pbb_update_scattering): New.
 879         (lst_update_scattering_under): New.
 880         (lst_update_scattering_seq): New.
 881         (lst_update_scattering): New.
 882         (lst_insert_in_sequence): New.
 883         (lst_distribute_lst): New.
 884         (lst_remove_all_before_including_pbb): New.
 885         (lst_remove_all_before_excluding_pbb): New.
 886
 887 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 890         get_loop_exit_edges.
 891
 892 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 893
 894         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 895
 896 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 897
 898         * graphite-poly.c (print_permutation): New.
 899         (debug_permutation): New.
 900         (new_poly_bb): Initialize PBB_PERMUTATION.
 901         (free_poly_bb): Free PBB_PERMUTATION.
 902         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 903         (struct pbb_permutation_elt): New.
 904         (PBB_PERMUTATION_ELT_STRIDE): New.
 905         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 906         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 907         (new_pbb_permutation_elt): New.
 908         (pbb_permutation_elt_free): New.
 909         (struct poly_bb): Add field permutation.
 910         (PBB_PERMUTATION): New.
 911         (print_permutation): Declared.
 912         (debug_permutation): Declared.
 913
 914 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-clast-to-gimple.c (gloog): Do not call
 917         sese_reset_aux_in_loops.
 918         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 919         extra argument for domains.  Do not use loop->aux.
 920         (build_scop_iteration_domain): Initialize and free domains, pass it
 921         to build_loop_iteration_domains and extract the information from
 922         domains.  Do not use loop->aux.
 923         * sese.c (sese_reset_aux_in_loops): Removed.
 924         * sese.h (sese_reset_aux_in_loops): Removed.
 925
 926 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 927
 928         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 929         (dependency_in_loop_p): Same.
 930         (translate_clast): Do not use loop->aux.  Initialize
 931         loop->can_be_parallel.
 932         (mark_loops_parallel): Removed.
 933         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 934         * graphite.c (free_aux_in_new_loops): Removed.
 935         (graphite_finalize): Do not call free_aux_in_new_loops.
 936         (graphite_transform_loops): Do not call mark_loops_parallel.
 937
 938 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 939
 940         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 941         (translate_clast): Pass an extra parameter LEVEL.
 942         Call get_scattering_level.
 943         * graphite-clast-to-gimple.h (get_scattering_level): New.
 944
 945 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 946
 947         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 948         * cfgloop.h (struct loop): New field single_iv.
 949
 950         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 951         loop->aux anymore: use loop->single_iv.
 952         (graphite_loop_normal_form): Moved...
 953         (build_graphite_loop_normal_form): Removed.
 954         (gloog): Do not call build_graphite_loop_normal_form.
 955         (free_aux_in_new_loops): Moved...
 956         (mark_loops_parallel): Restructure.
 957         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 958         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 959         (scop_canonicalize_loops): New.
 960         (build_poly_scop): Call scop_canonicalize_loops.
 961         * graphite.c (free_aux_in_new_loops): ...here.
 962
 963 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         * g++.dg/graphite/graphite.exp: Add the same rules as in
 966         gcc.dg/graphite/graphite.exp.
 967
 968 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 969
 970         * g++.dg/graphite/id-1.C: New.
 971
 972 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 975         argument base_name.
 976         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 977         (rewrite_phi_out_of_ssa): Same.
 978         (rewrite_cross_bb_scalar_deps): Same.
 979         (translate_scalar_reduction_to_array): Same.
 980
 981 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 984         dump_alias_graphs.
 985
 986 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 987
 988         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 989         (build_scop_drs): Call dump_alias_graphs.
 990
 991 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 992
 993         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 994         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 995         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 996         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 997         * graphite-poly.h (free_lst): New.
 998         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 999         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1000
1001 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * graphite-poly.h (struct scop): Add a field saved_schedule.
1004         (SCOP_SAVED_SCHEDULE): New.
1005         (store_lst_schedule): New.
1006         (restore_lst_schedule): New.
1007         (store_scattering): Call store_lst_schedule.
1008         (restore_scattering): Call restore_lst_schedule.
1009
1010 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1013         (pdr_add_alias_set): Same.
1014         (build_poly_dr): Same.
1015         (build_alias_set_optimal_p): Same.
1016         (build_base_obj_set_for_drs): Same.  Do not store the result of
1017         graphds_dfs.
1018
1019 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1022         all_components_are_cliques to 1.
1023
1024 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1025
1026         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1027         the new structure.
1028         (pdr_add_alias_set): Update retrieving alias_set_num.
1029         (build_poly_dr): Update retrieving dr_base_object_set.
1030         (partition_drs_to_sets): Remove.
1031         (build_alias_set_optimal_p): New.
1032         (build_alias_set_for_drs): Rename.
1033         (build_scop_drs): Update.
1034         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1035         (ALIAS_SET_INDEX): Remove.
1036         (BASE_OBJECT_SET_INDEX): Remove.
1037
1038 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1039
1040         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1041
1042 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1045         loop upper bounds for 1-element arrays at end of structures.
1046         * tree-flow.h (array_at_struct_end_p): Declared.
1047         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1048
1049 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * g++.dg/graphite/pr41305.C: New.
1052
1053 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1054
1055         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1056         construction of parameter constraints from loop iteration analysis.
1057         * gcc.dg/graphite/run-id-2.c: New test.
1058
1059 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1062         and new_cstr.
1063
1064 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-dependences.c (dependence_polyhedron_1): Remove
1067         unused gdim dimensions from the DDR polyhedron.
1068
1069 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * graphite-dependences.c (pddr_transformed_scattering): New.
1072         (dot_original_deps_stmt_1): New.
1073         (dot_transformed_deps_stmt_1): New.
1074         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1075         dot_transformed_deps_stmt_1.
1076         (dot_original_deps): New.
1077         (dot_transformed_deps): New.
1078         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1079
1080 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * graphite-dependences.c (reduction_dr_1): Remove wrong
1083         assert: reduction BBs can have multiple reduction writes
1084         to memory.  interchange-3.f90 is an example.
1085
1086 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * gfortran.dg/graphite/interchange-3.f90: New.
1089
1090 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1093
1094 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * graphite-dependences.c (dependence_polyhedron_1): Add the
1097         context to the dependence polyhedron.
1098
1099 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1100
1101         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1102         PBB_PDR_DUPLICATES_REMOVED.
1103         (new_poly_bb): Same.
1104
1105 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1108         SCOP_CONTEXT.
1109         (build_loop_iteration_domains): Extract bounds on parameters
1110         based on the data size.
1111         (build_scop_context): Do not initialize SCOP_CONTEXT;
1112         add new constraints.
1113
1114 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1117         * graphite-ppl.h (graphite-ppl.h): Declared.
1118
1119 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * graphite-ppl.c (ppl_print_linear_expr): New.
1122         (debug_ppl_linear_expr): New.
1123         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1124         (debug_ppl_linear_expr): Declared.
1125
1126 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1127
1128         * graphite-interchange.c: Fix comments.
1129         * gcc.dg/graphite/block-1.c: Fix comments.
1130
1131 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1134         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1135
1136 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         Reapply the patch from Alexander Monakov that disappeared during
1139         the last merges from trunk.
1140
1141         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1142
1143         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1144         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1145
1146 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-interchange.c (memory_stride_in_loop): The depth
1149         argument corresponds to a dynamic time dimension, so use
1150         psct_dynamic_dim to refer to the transformed scattering dimension.
1151
1152 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1155
1156 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1159         root of the LST.
1160         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1161         the root of the LST.
1162         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1163         fake loop.
1164         (print_lst): Print the root of LST in a different format.
1165         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1166
1167 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1170
1171 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * doc/passes.texi: Document the Graphite infrastructure.
1174
1175 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1178         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1179         and check the SSA representation.
1180
1181         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1182
1183 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1186
1187 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1188
1189         * gcc.dg/graphite/interchange-11.c: New.
1190
1191 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1192
1193         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1194
1195 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1198         Add -fno-loop-strip-mine and -fno-loop-interchange.
1199         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1200         -fno-loop-strip-mine.
1201         * gfortran.dg/graphite/graphite.exp: Same.
1202
1203 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1206         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1207         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1208         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1209         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1210         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1211         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1212         DEFAULT_FLAGS_GRAPHITE_SCOP.
1213         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1214         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1215
1216 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1219
1220 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1221             Sebastian Pop  <sebastian.pop@amd.com>
1222
1223         * graphite-interchange.c (build_linearized_memory_access): Pass an
1224         offset as parameter.
1225         (memory_stride_in_loop): Include transform scattering in the
1226         access functions to be able to querry the strides in the
1227         transformed loops.
1228         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1229         not the psct_iterator_dim.
1230
1231 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1234         (lst_do_strip_mine_loop): New.
1235         (lst_do_strip_mine): New.
1236         (scop_do_strip_mine): Call lst_do_strip_mine.
1237         * graphite-poly.h (lst_add_loop_under_loop): New.
1238         (lst_find_first_pbb): New.
1239
1240 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite-poly.c (loop_to_lst): Fix LST creation.
1243
1244 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1245
1246         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1247         sizeof(unsigned long) to make it run on 32bit systems.
1248
1249 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1250
1251         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1252         SEGFAULT on 32bit.
1253
1254 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1255
1256         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1257         Comment.
1258         (write_alias_graph_to_ascii_dot): New.
1259         (write_alias_graph_to_ascii_ecc): Ditto.
1260         (partition_drs_to_sets): Add testing of optimality of current method
1261         which assigns alias numbers according to DFS Comopnent number.  used
1262         as heuristic for the upcoming ECC algorithm.
1263         (build_scop_drs): Write to file also with the ecc and dot format.
1264
1265 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         * gfortran.dg/graphite/interchange-1.f: XFail.
1268
1269 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1270
1271         * graphite.c (graphite_initialize): Do not handle functions with
1272         more than 100 basic blocks.
1273
1274 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-blocking.c (pbb_do_strip_mine): Use
1277         PARAM_LOOP_BLOCK_TILE_SIZE.
1278
1279 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * graphite-poly.c (dot_lst_1): New.
1282         (dot_lst): New.
1283         * graphite-poly.h (dot_lst): Declared.
1284
1285 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-dependences.c (dot_deps_stmt_1): New.
1288         (dot_deps_stmt): New.
1289         * graphite-dependences.h (dot_deps_stmt): Declared.
1290
1291 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1294         not replace cross BB scalar dependences ending on PHI nodes.
1295         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1296
1297 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1298
1299         * graphite-poly.c (apply_poly_transforms): Implement the high
1300         level driver for flag_loop_block.
1301         * opts.c (decode_options): Enable flag_loop_block at -O2.
1302         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1303         flag_loop_block.
1304
1305         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1306         -floop-block.
1307         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1308         Add -floop-block.
1309
1310 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * graphite-poly.h (lst_find_pbb): New.
1313         (find_lst_loop): New.
1314
1315 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1318         * graphite-poly.h (struct scop): Remove dep_graph field.
1319         (SCOP_DEP_GRAPH): Removed.
1320
1321 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         * graphite-poly.h (copy_lst): Do full copy of LST.
1324
1325 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1328         when the loop stride is zero.
1329
1330         * gcc.dg/graphite/id-16.c: New.
1331
1332 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         * graphite-dependences.c (reduction_dr_1): New.
1335         (reduction_dr_p): New.
1336         (graphite_legal_transform_dr): Call reduction_dr_p.
1337         (reduction_ddr): Renamed reduction_ddr_p.
1338         * graphite-poly.h (same_pdr_p): New.
1339         (number_of_write_pdrs): New.
1340         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1341         (split_reduction_stmt): Do not split reduction statements
1342         when there are no writes to memory.
1343         (translate_scalar_reduction_to_array_for_stmt): Insert the
1344         memory reduction statement just after the scalar reduction statement.
1345
1346         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1347         Un-XFAIL-ed.
1348         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1349         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1350
1351 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1352
1353         * graphite-interchange.c (lst_apply_interchange): New.
1354         (lst_interchange_profitable_p): New.
1355         (lst_try_interchange_loops): New.
1356         (lst_try_interchange): New.
1357         (lst_do_interchange): New.
1358         (pbb_do_interchange): Removed.
1359         (scop_do_interchange): Call lst_do_interchange.
1360
1361 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1364         SCOP_TRANSFORMED_SCHEDULE.
1365         (loop_to_lst): New.
1366         (scop_to_lst): New.
1367         (print_lst): New.
1368         (debug_lst): New.
1369         * graphite-poly.h (lst_p): New.
1370         (struct lst): New.
1371         (LST_LOOP_P): New.
1372         (LST_LOOP_FATHER): New.
1373         (LST_PBB): New.
1374         (LST_SEQ): New.
1375         (scop_to_lst): Declared.
1376         (print_lst): Declared.
1377         (debug_lst): Declared.
1378         (new_lst_loop): New.
1379         (new_lst_stmt): New.
1380         (copy_lst): New.
1381         (lst_depth): New.
1382         (lst_dewey_number): New.
1383         (struct scop): Add original_schedule and transformed_schedule fields.
1384         (SCOP_ORIGINAL_SCHEDULE): New.
1385         (SCOP_TRANSFORMED_SCHEDULE): New.
1386         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1387
1388 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1389
1390         * graphite-dependences.c (reduction_ddr): New.
1391         (graphite_legal_transform_bb): Call reduction_ddr.
1392         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1393         Initialize PBB_IS_REDUCTION.
1394         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1395         (PBB_IS_REDUCTION): New.
1396         (new_poly_bb): Update declaration.
1397         * graphite-scop-detection.h (build_scop_bbs): Removed.
1398         (nb_reductions_in_loop): Removed.
1399         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1400         parameter for reductions.
1401         (try_generate_gimple_bb): Update call to new_poly_bb.
1402         (build_scop_bbs_1): Same.
1403         (build_scop_bbs): Same.
1404         (gsi_for_phi_node): New.
1405         (scalar_close_phi_node_p): Remove gcc_assert.
1406         (split_reduction_stmt): New.
1407         (is_reduction_operation_p): New.
1408         (phi_contains_arg): New.
1409         (follow_ssa_with_commutative_ops): New.
1410         (detect_commutative_reduction_arg): New.
1411         (detect_commutative_reduction_assign): New.
1412         (follow_inital_value_to_phi): New.
1413         (edge_initial_value_for_loop_phi): New.
1414         (initial_value_for_loop_phi): New.
1415         (detect_commutative_reduction): New.
1416         (translate_scalar_reduction_to_array_for_stmt): New.
1417         (insert_copyout): New.
1418         (insert_copyin): New.
1419         (translate_scalar_reduction_to_array): New.
1420         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1421         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1422         (rewrite_commutative_reductions_out_of_ssa): New.
1423         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1424         * sese.h (split_region_for_bb): New.
1425
1426         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1427         * gcc.dg/graphite/interchange-1.c: Fix format.
1428         * gcc.dg/graphite/interchange-10.c: New.
1429
1430 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1431
1432         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1433         buggy assert.
1434
1435 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1438         (rewrite_cross_bb_scalar_dependence): New.
1439         (rewrite_cross_bb_scalar_deps): New.
1440         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1441         Call rewrite_cross_bb_scalar_deps.
1442
1443 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1444
1445         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1446         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1447         gsi_for_stmt.
1448
1449 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1452         * graphite-interchange.c (pbb_do_interchange): Same.
1453         * graphite-poly.c (print_scattering_function): Same.
1454         (debug_pdrs): Same.
1455         * graphite-poly.h (pbb_loop): New.
1456         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1457
1458 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1459
1460         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1461
1462 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1465         so don't pass a pointer to it.
1466         (build_alias_set_for_drs): Same.
1467         (build_base_obj_set_for_drs): Same.
1468         (build_scop_drs): Same.
1469
1470 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1471
1472         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1473         the alias graph of data references.
1474
1475 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1476
1477         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1478         (build_scop_drs): When debugging, write the alias graph to file,
1479         otherwise, should be disabled.
1480
1481 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * Merge from mainline (151310:151361).
1484
1485 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1486
1487         * Merge from mainline (151171:151310).
1488
1489 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * Merge from mainline (151171:151806).
1492
1493 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1494
1495         * Revert the last commit.
1496
1497 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         * Merge from mainline (151171:151819).
1500
1501 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1504         (is_simple_operand): Remove call to stmt_simple_memref_p.
1505         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1506
1507 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1508
1509         * gcc.dg/graphite/interchange-mvt.c: New File.
1510         * gcc.dg/graphite/scop-dsyrk.c: New File.
1511         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1512         * gcc.dg/graphite/scop-mvt.c: New File.
1513         * gcc.dg/graphite/scop-sor.c: New File.
1514
1515 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1516
1517         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1518         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1519         (graphite_carried_dependence_level_k): Ditto.
1520         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1521         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1522         (new_poly_dr): Adjust declaration.
1523         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1524         (free_gimple_bb): Added free_data_refs_aux.
1525         (build_poly_dr): Add dr_base_object_set.
1526         (partition_drs_to_sets): New.
1527         (dr_same_base_object_p): New.
1528         (build_alias_set_for_drs): New.
1529         (build_base_object_set_for_drs): New.
1530         (build_scop_drs): Add build_base_obj_set_for_drs.
1531         * graphite-sese-to-poly.h: Added #define for alias set number index and
1532         base object set index.
1533         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1534         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1535
1536 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1537
1538         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1539         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1540
1541 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         * graphite-sese-to-poly.c (struct irp_data): Removed.
1544         (idx_record_params): Removed.
1545         (find_params_in_bb): Scan for parameters the access functions; don't
1546         parse the tree representation.
1547
1548 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1551         passes at -O1 and below.
1552
1553 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1554
1555         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1556         tree-scalar-evolution.h, and then tree-data-ref.h.
1557         * graphite-clast-to-gimple.c: Same.
1558         * graphite-dependences.c: Same.
1559         * graphite-interchange.c: Same.
1560         * graphite-poly.c: Same.
1561         * graphite-scop-detection.c: Same.
1562         * graphite-sese-to-poly.c: Same.
1563         * graphite.c: Same.
1564         * lambda-code.c: Same.
1565         * matrix-reorg.c: Same.
1566         * tree-data-ref.c: Same.
1567         * tree-if-conv.c: Same.
1568         * tree-loop-distribu: Same.: Same.
1569         * tree-loop-linear.c: Same.
1570         * tree-parloops.c: Same.
1571         * tree-predcom.c: Same.
1572         * tree-vect-patterns.c: Same.
1573
1574 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         Partially revert the previous patch, except the following.
1577         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1578         as parameters the operands of the not expression.
1579
1580 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1583         Do not call analyze_scalar_evolution on assignments.
1584         (instantiate_scev_phi): Call analyze_scalar_evolution.
1585         (instantiate_scev_name): Call instantiate_scev_assign and
1586         instantiate_scev_phi.
1587         (instantiate_scev_not): Adapted to pass as parameters the operands
1588         of the not expression.
1589
1590 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1593         to pass as parameters the operands of the binary expression.
1594
1595 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1596
1597         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1598         instantiate_scev_not.  Handle NEGATE_EXPR.
1599         (instantiate_scev_r): Handle NEGATE_EXPR.
1600
1601 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1602
1603         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1604         instantiate_scev_r.
1605         (instantiate_scev_r): Move code in instantiate_scev_2
1606         and instantiate_scev_1.
1607
1608 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * tree-scalar-evolution.c (instantiate_scev_3): New.
1611         (instantiate_scev_1): Move code in instantiate_scev_3.
1612
1613 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1616         (instantiate_scev_1): Move code in instantiate_scev_poly.
1617
1618 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1621         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1622
1623 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1626         (instantiate_scev_1): Move code in instantiate_scev_convert.
1627
1628 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1631         (instantiate_scev_1): Move code in instantiate_scev_binary.
1632
1633 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         * tree-scalar-evolution.c (instantiate_scev_name): New.
1636         (instantiate_scev_1): Move code in instantiate_scev_name.
1637
1638 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1639
1640         * Merge from mainline (150992:151171).
1641
1642 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1643
1644         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1645
1646 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-dependences.c (graphite_legal_transform_bb): Call
1649         pbb_remove_duplicate_pdrs.
1650         * graphite-poly.c (can_collapse_pdr): Removed.
1651         (pdr_find_duplicate): Removed.
1652         (can_collapse_pdrs): New.
1653         (pbb_remove_duplicate_pdrs): New.
1654         (new_poly_dr): Do not look for duplicates.
1655         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1656         (PBB_PDR_DUPLICATES_REMOVED): New.
1657         (pbb_remove_duplicate_pdrs): Declared.
1658
1659 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1660
1661         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1662         the strides by multiplying by PDR_NB_REFS.
1663         * graphite-poly.c (can_collapse_pdr): New.
1664         (pdr_find_duplicate): New.
1665         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1666         Initialize PDR_NB_REFS.
1667         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1668         (PDR_NB_REFS): New.
1669         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1670
1671 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         Revert one of the previous commits:
1674         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1675         the computation of symmetric data dependence relations.
1676         (dependency_between_pbbs_p): Same.
1677
1678 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         PR middle-end/40965
1681         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1682         any transform.
1683
1684 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite-dependences.c (pddr_original_scattering): Return NULL
1687         for read-read dependence relations.
1688         * graphite-poly.h (enum poly_dr_type): Fix comment.
1689         (pdr_read_p): New.
1690         (pdr_write_p): New.
1691         (pdr_may_write_p): New.
1692
1693 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1694
1695         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1696         (struct poly_dr): Same.
1697         (new_poly_dr): Same.
1698         * graphite-poly.c (new_poly_dr): Same.
1699
1700 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1701             Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1704         pbb_strip_mine_time_depth.  Changed the implementation so that
1705         transformation is expressed as a transformation on
1706         time (scatttering) dimensions.  Also, ensures that the 2d+1
1707         scheduling format is preserved.
1708         (pbb_strip_mine_profitable_p): Profitability is based on the
1709         iteration number of a given time (scattering) dimension,
1710         and not on a original loop depth dimension.
1711         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1712         (pbb_do_strip_mine): Call psct_dynamic_dim.
1713         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1714         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1715         (pbb_nb_dynamic_scattering_transform): New.
1716         (psct_dynamic_dim): New.
1717
1718 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1719
1720         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1721         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1722         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1723         * graphite-interchange.c (build_linearized_memory_access): Same.
1724         (memory_stride_in_loop): Same.
1725
1726 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1727
1728         * graphite-dependences.c (pddr_original_scattering): New.
1729         (graphite_legal_transform_dr): Call pddr_original_scattering.
1730         (dot_deps_1): New.
1731         (dot_deps): New.
1732         * graphite-dependences.h (dot_deps): Declared.
1733         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1734         (print_pdr): Print PDR_ID.
1735         * graphite-poly.h (struct poly_dr): Add field id.
1736         (PDR_ID): New.
1737         (pbb_index): New.
1738         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1739
1740 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1741
1742         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1743         not delete the original dependence relation.
1744
1745 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1748         the computation of symmetric data dependence relations.
1749         (dependency_between_pbbs_p): Same.
1750
1751 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1754         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1755         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1756         (free_poly_ddr): New.
1757         (pddr_is_empty): New.
1758         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1759         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1760         Remove fprintfs.
1761         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1762         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1763         * graphite-dependences.h (enum poly_dependence_kind): New.
1764         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1765         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1766         (PDRP_SINK): Renamed PDDR_SINK.
1767         (PDRP_DDP): Renamed PDDR_DDP.
1768         (PDDR_KIND): New.
1769         (free_poly_ddr): Declared.
1770         * graphite-poly.c (new_scop): Use the new hash function names.
1771         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1772         into original_pddrs.
1773         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1774
1775 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * Merge from mainline (150764:150992).
1778
1779 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1780
1781         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1782         bounds with LT_EXPR to make niter analysis more precise on code
1783         generated by Graphite.
1784
1785 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1786
1787         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1788         (graphite_legal_transform_bb): Same.
1789         (poly_drs_may_alias_p): Same.
1790
1791 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         PR middle-end/40981
1794         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1795         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1796
1797 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1798
1799         * graphite-poly.c (print_pbb): Print PBB index.
1800
1801 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * Merge from mainline (r150672:150764).
1804
1805 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1806
1807         * graphite-interchange.c (ppl_max_for_le): Moved...
1808         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1809         * graphite-ppl.c (ppl_max_for_le): ... here.
1810         * graphite-ppl.h (ppl_max_for_le): Declared.
1811
1812 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * Merge from mainline (r150372:150672).
1815
1816 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         PR middle-end/40980
1819         * sese.c (convert_for_phi_arg): New.
1820         (add_guard_exit_phis): Use convert_for_phi_arg.
1821
1822         * gfortran.dg/graphite/id-17.f: New.
1823
1824 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1825
1826         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1827         unknown subscript upper bounds.
1828
1829         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1830
1831 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1832             Pranav Garg  <pranav.garg2107@gmail.com>
1833
1834         * graphite-interchange.c (gather_access_strides): Removed.
1835         (ppl_max_for_le): New.
1836         (build_linearized_memory_access): New.
1837         (memory_stride_in_loop): New.
1838         (pbb_interchange_profitable_p): Reimplemented.
1839         * graphite-ppl.h (ppl_new_id_map): New.
1840         (ppl_interchange): New.
1841
1842         * gcc.dg/graphite/interchange-6.c: XFAILed.
1843
1844 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * graphite-interchange.c (compute_subscript): Removed.
1847         (compute_array_size_cstr): Removed.
1848         (compute_array_size_poly): Removed.
1849         (compute_array_size): Removed.
1850         (gather_access_strides_poly): Removed.
1851         (gather_access_strides): Empty.
1852
1853 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1854
1855         * graphite-dependences.c (dependence_polyhedron_1): Replace
1856         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1857         (graphite_legal_transform_dr): Same.
1858         (graphite_carried_dependence_level_k): Same.
1859         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1860         Initialize PDR_NB_SUBSCRIPTS.
1861         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1862         PDR_NB_SUBSCRIPTS.
1863         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1864         (PDR_NB_SUBSCRIPTS): New.
1865         (pdr_nb_subscripts): Removed.
1866         (pdr_dim): Simplified.
1867         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1868         with PDR_NB_SUBSCRIPTS.
1869
1870 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         * graphite-interchange.c (compute_array_size): Remove use of
1873         PDR_DATA_CONTAINER.
1874         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1875         Do not initialize PDR_DATA_CONTAINER.
1876         (print_pdr): Do not print PDR_DATA_CONTAINER.
1877         * graphite-poly.h (struct poly_dr): Remove data_container field.
1878         (PDR_DATA_CONTAINER): Removed.
1879         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1880         PDR_DATA_CONTAINER.
1881         (build_poly_dr): Same.
1882
1883 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1884
1885         * gcc.dg/graphite/interchange-9.c: New.
1886
1887 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1888             Sebastian Pop  <sebastian.pop@amd.com>
1889
1890         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1891         copy of the dependence polyhedron.  Free the temporary objects.
1892         (graphite_carried_dependence_level_k): Free unused objects before
1893         returning.
1894
1895         * gcc.dg/graphite/interchange-1.c: XFAILed.
1896         * gcc.dg/graphite/interchange-2.c: XFAILed.
1897         * gcc.dg/graphite/interchange-3.c: XFAILed.
1898         * gcc.dg/graphite/interchange-4.c: XFAILed.
1899         * gcc.dg/graphite/interchange-7.c: XFAILed.
1900
1901 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1904         Early return without analyzing the data dependences if no
1905         transform has been done.  Call restore_scattering if the transform
1906         is not legal.
1907         (graphite-interchange.c): Same.
1908         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1909         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1910         (apply_poly_transforms): Do not gcc_assert that
1911         the transform is legal.
1912         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1913         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1914         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1915         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1916         * graphite-poly.h (struct poly_scattering): New.
1917         (struct poly_bb): Add original, transformed, and saved fields.
1918         Remove transformed_scattering, original_scattering, nb_local_variables,
1919         and nb_scattering_transform fields.
1920         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1921         (poly_scattering_new): New.
1922         (poly_scattering_free): New.
1923         (poly_scattering_copy): New.
1924         (store_scattering_pbb): New.
1925         (store_scattering): New.
1926         (restore_scattering_pbb): New.
1927         (restore_scattering): New.
1928         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1929         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1930
1931 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1934         (print_scop): Same.
1935
1936 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         * Makefile.in (graphite.o): Depends on PREDICT_H.
1939         * graphite.c: Include predict.h.
1940         (graphite_finalize): Call tree_estimate_probability.
1941         * predict.c (predict_loops): Do not call scev_initialize and
1942         scev_finalize.
1943         (tree_estimate_probability_bb): New.
1944         (tree_estimate_probability): Do not initialize loops: move that
1945         code to the driver.  Call tree_estimate_probability_bb.
1946         (tree_estimate_probability_driver): New.
1947         (pass_profile): Use tree_estimate_probability_driver.
1948         * predict.h (tree_estimate_probability): Declared.
1949
1950 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1951
1952         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1953         * graphite-dependences.c (graphite_legal_transform): Add time to
1954         TV_GRAPHITE_DATA_DEPS.
1955         (dependency_between_pbbs_p): Same.
1956         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1957
1958 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1959
1960         * Merge from mainline (r149952:150372).
1961
1962 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1965         * graphite-blocking.c: Same.
1966         * graphite-clast-to-gimple.c: Same.
1967         * graphite-dependences.c: Same.
1968         * graphite-poly.c: Same.
1969         * graphite-poly.h: Same.
1970         * graphite-ppl.c: Same.
1971         * graphite-scop-detection.c: Same.
1972         * graphite-sese-to-poly.c: Same.
1973         * graphite.c: Same.
1974
1975 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1978         (remove_simple_copy_phi): New.
1979         (remove_invariant_phi): New.
1980         (simple_copy_phi_p): New.
1981         (reduction_phi_p): New.
1982         (gsi_for_ssa_name_def): New.
1983         (insert_out_of_ssa_copy): New.
1984         (insert_out_of_ssa_copy_on_edge): New.
1985         (create_zero_dim_array): New.
1986         (scalar_close_phi_node_p): New.
1987         (rewrite_close_phi_out_of_ssa): New.
1988         (rewrite_phi_out_of_ssa): New.
1989         (rewrite_reductions_out_of_ssa): New.
1990         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1991
1992         * gcc.dg/graphite/id-11.c: New.
1993         * gcc.dg/graphite/id-15.c: New.
1994         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1995         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1996         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1997         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1998         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1999         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2000         * gfortran.dg/graphite/id-13.f: New.
2001         * gfortran.dg/graphite/id-5.f: New.
2002
2003 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2004
2005         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2006         check that nb_reductions_in_loop is zero.
2007         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2008         reduction phi nodes.
2009         (nb_reductions_in_loop): Removed.
2010         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2011         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2012         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2013         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2014         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2015
2016 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2017
2018         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2019         statements that have an empty iteration domain.
2020         * gfortran.dg/graphite/id-16.f: New.
2021
2022 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * tree-scalar-evolution.c (instantiate_scev_1): Return
2025         chrec_dont_know when the result is not above instantiate_below.
2026         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2027         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2028         the tree has a known scalar evolution.
2029         * gfortran.dg/graphite/id-14.f: New.
2030         * gfortran.dg/graphite/id-15.f: New.
2031
2032 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2035         insert_gsi.
2036         (rename_variables): Keep inserting renames after the ones already
2037         inserted.
2038
2039 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2040
2041         * graphite-sese-to-poly.c (compare_bb_depths): New.
2042         (graphite_sort_dominated_info): New.
2043         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2044         (build_scop_scattering): Fix comment.
2045
2046 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * graphite.c (graphite_finalize): Call print_loops instead of
2049         dump_function_to_file.
2050         * gcc.dg/graphite/graphite.exp: Fix formatting.
2051         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2052         loops generated in the graphite output file.
2053         * gcc.dg/graphite/pr35356-2.c: New.
2054         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2055         * gfortran.dg/graphite/id-12.f: New.
2056
2057 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2058
2059         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2060         Remove 2 XFAIL.
2061
2062 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2063             Tobias Grosser  <grosser@fim.uni-passau.de>
2064
2065         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2066         alias set number build alias in ACCESSES polyhedron.
2067         (build_alias_set_for_drs): New.
2068         (build_pbb_drs): Added build_alias_set_for_drs.
2069         * graphite-dependences.c (poly_drs_may_alias_p): New.
2070         (graphite_carried_dependence_level_k): Check alias information
2071         before building polyhedron.
2072
2073 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2074
2075         * Makefile.in (lambda-code.o): Fix formatting.
2076
2077 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2078
2079         * Merge from mainline (r149350-149952)
2080
2081 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2082
2083         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2084         before interchange to prepare for loop blocking.
2085
2086 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2087
2088         * graphite-poly.c (apply_poly_transforms): Add checks after every
2089         transformation.
2090         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2091         done in apply_poly_transforms.
2092
2093 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2094
2095         * graphite-dependences.c (build_lexicographically_gt_constraint):
2096         Replace RES parameter with *RES.
2097         (dependence_polyhedron_1): Pass an address of the parameter RES
2098         instead of value of RES.
2099
2100 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2101
2102         * graphite.c (graphite_finalize): Fix comment.
2103         (graphite_transform_loops): Reset scev info after code generation
2104         of each scop.
2105
2106 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         * graphite.c (graphite_finalize): Call scev_reset.
2109
2110 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2111
2112         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2113         GBB_CLOOG_IV_TYPES hash table twice.
2114         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2115         (add_condition_to_domain): Clear GMP values.
2116
2117 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * graphite-dependences.c: Fix formatting.
2120         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2121         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2122         * graphite-sese-to-poly.c: Fix formatting.
2123         * graphite.c (graphite_transform_loops): Create the hash table
2124         after the early return.
2125
2126 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * gcc.dg/graphite/id-14.c: New.
2129         * gcc.dg/graphite/pr40157.c: New.
2130         * gfortran.dg/graphite/id-11.f: New.
2131
2132 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2135         (build_poly_scop): Return false when there are no pbbs within
2136         loops to avoid to pass to cloog scops with no loops.
2137
2138 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2141         useless test "i % 2".
2142         (build_pbb_scattering_polyhedrons): Fix formatting.
2143         (build_poly_dr): Same.
2144         * graphite.c (graphite_transform_loops): Restructure.
2145
2146 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2147
2148         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2149         reduction_list parameter.
2150         (rewrite_all_phi_nodes_with_iv): Same.
2151         (canonicalize_loop_ivs): Same.
2152         * tree-parloops.c (struct brli): Removed.
2153         (build_reduction_list_info): Removed.
2154         (build_new_reduction): New.
2155         (analyze_reduction_list): Removed.
2156         (gather_scalar_reductions): Find reductions instead of phi
2157         nodes that can't be canonicalized.
2158         (try_create_reduction_list): Remove reduction_list parameter.
2159         (gen_parallel_loop): Same.
2160         (parallelize_loops): Remove analyze_reductions variable,
2161         initialization and free.
2162         Change reduction_list htab initialization to reduction_info
2163         elements instead of ssa names.
2164         Call try_create_reduction_list and gen_parallel_loop without
2165         analyzed_reduction argument.
2166         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2167         canonicalize_loop_ivs with one less argument.
2168         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2169
2170 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2171
2172         * graphite-dependences.c (new_poly_dr_pair): New.
2173         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2174         (new_poly_dr_pair): New.
2175         (eq_poly_dr_pair_p): New.
2176         (hash_poly_dr_pair_p): New.
2177         * graphite-dependences.h (struct poly_dr_pair): New.
2178         (eq_poly_dr_pair_p): Declared.
2179         (hash_poly_dr_pair_p): Declared.
2180         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2181         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2182         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2183         * Makefile.in (graphite-poly.o): Add dependence on
2184         graphite-dependences.h.
2185
2186 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2187
2188         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2189         polynomials of degree > 1 pass to Graphite.
2190         * tree-chrec.c (scev_is_linear_expression): Call
2191         evolution_function_is_affine_multivariate_p.
2192         * gfortran.dg/graphite/id-10.f90: New.
2193
2194 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2197         Instantiate scevs varying in outer loops.
2198         * gfortran.dg/graphite/id-9.f: Correct testcase.
2199
2200 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2203         redundant constraint.
2204
2205 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2206
2207         * gcc.dg/graphite/graphite.exp: Fix comments.
2208         * gfortran.dg/graphite/graphite.exp: Trigger actions
2209         based on the file names as in the C testsuite.
2210         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2211         * gfortran.dg/graphite/block-2.f: Same.
2212         * gfortran.dg/graphite/block-3.f90: Same.
2213         * gfortran.dg/graphite/block-4.f90: Same.
2214         * gfortran.dg/graphite/id-1.f90: Same.
2215         * gfortran.dg/graphite/id-2.f90: Same.
2216         * gfortran.dg/graphite/id-3.f90: Same.
2217         * gfortran.dg/graphite/id-4.f90: Same.
2218         * gfortran.dg/graphite/id-6.f: Same.
2219         * gfortran.dg/graphite/id-9.f: Same.
2220         * gfortran.dg/graphite/interchange-1.f: Same.
2221         * gfortran.dg/graphite/interchange-2.f: Same.
2222         * gfortran.dg/graphite/scop-1.f: Same.
2223
2224 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * sese.c (expand_scalar_variables_call): New.
2227         (expand_scalar_variables_ssa_name): Handle calls in expander.
2228
2229 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2230
2231         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2232         Expect to see the pattern twice.
2233         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2234         * gcc.dg/graphite/interchange-5.c: Same.
2235         * gcc.dg/graphite/interchange-6.c: Same.
2236
2237 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * gcc.dg/graphite/id-10.c: New.
2240         * gcc.dg/graphite/id-12.c: New.
2241         * gfortran.dg/graphite/id-7.f: New.
2242         * gfortran.dg/graphite/id-8.f: New.
2243
2244 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2247         zero.
2248
2249 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2252
2253 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2256
2257 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2260         building PDR subscripts.
2261
2262 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2263
2264         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2265         computation of array sizes.
2266
2267 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2270
2271 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2272
2273         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2274         build_pairwise_constraint, dr_equality_constraints,
2275         build_pairwise_scheduling_equality,
2276         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2277         build_lexicographically_gt_constraint, dependence_polyhedron,
2278         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2279         Move from NNC_Polyhedron to C_Polyhedron.
2280         * graphite-interchange.c (compute_array_size_poly,
2281         gather_access_strides): Dito.
2282         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2283         free_scop, pbb_number_of_iterations): Dito.
2284         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2285         pbb_dim_iter_domain, struct scop): Dito.
2286         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2287         new_Cloog_Domain_from_ppl_Polyhedron,
2288         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2289         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2290         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2291         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2292         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2293         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2294         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2295         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2296         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2297         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2298         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2299         build_scop_iteration_domain, build_poly_dr): Dito
2300
2301 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2304         run-id-*.c files.
2305         * gcc.dg/graphite/run-id-1.c: New.
2306
2307 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2308
2309         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2310         positivity constraint on the symbolic number of iterations.
2311
2312 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2315
2316 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2317             Tobias Grosser  <grosser@fim.uni-passau.de>
2318
2319         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2320         (build_cloog_prog): Directly use SCOP_CONTEXT.
2321         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2322         (free_scop): Free SCOP_CONTEXT.
2323         (print_scop_context): New.
2324         (print_scop): Call print_scop_context.
2325         (debug_scop_context): New.
2326         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2327         (struct scop): Added field context.
2328         (SCOP_CONTEXT): New.
2329         * graphite-sese-to-poly.c (add_param_constraints): New.
2330         (build_scop_context): New.
2331         (build_poly_scop): Call build_scop_context.
2332
2333 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2336         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2337         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2338         * graphite-ppl.h: Include double-int.h and tree.h.
2339         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2340         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2341         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2342         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2343
2344 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2347         POINTER_PLUS_EXPR for pointer types.
2348         (clast_to_gcc_expression): Same.
2349
2350 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2351
2352         * graphite-poly.c (print_scattering_function): Early return when
2353         PBB_TRANSFORMED_SCATTERING is not initialized.
2354         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2355
2356 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2357
2358         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2359         to fix bootstrap.
2360
2361 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2362
2363         * tree-parloops.c (analyze_reduction_list): Change return
2364         value to void.
2365         (try_create_reduction_list): Move the call to
2366         analyze_reduction_list to the beginining.
2367         Call reduction_phi with analyzed_reductions as argument
2368         instead of reduction_list.
2369
2370 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2371
2372         *  Merge from mainline (r148296:149346)
2373
2374 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * graphite-scop-detection.c (graphite_can_represent_init): New.
2377         (graphite_can_represent_scev): Call graphite_can_represent_init:
2378         check that the initial value does not contain multiplications of
2379         parameters.
2380         (stmt_has_simple_data_refs_p): New.
2381         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2382         (is_simple_operand): Fix formatting.
2383         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2384
2385 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2386
2387         * gcc.dg/graphite/id-13.c: New.
2388         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2389         analyze_scalar_evolution, use scalar_evolution_in_region.
2390         (scan_tree_for_params_right_scev): Add extra assert.
2391         (parameter_index_in_region_1): Split from parameter_index_in_region.
2392         (idx_record_params): Use scalar_evolution_in_region.
2393         (find_params_in_bb): Same.
2394         (find_scop_parameters): Same.
2395         (build_loop_iteration_domains): Same.
2396         (create_linear_expr_from_tree): Same.
2397         * sese.c (scalar_evolution_in_region): New.
2398         * sese.h (scalar_evolution_in_region): Declared.
2399         (defined_in_sese_p): New.
2400         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2401         static anymore.
2402         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2403         Declared.
2404
2405 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2408         TREE_DATA_REF_H also implies SCEV_H.
2409
2410 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2411
2412         * graphite-poly.c (print_scop_params): New.
2413         (print_scop): Call print_scop_params.
2414         (debug_scop_params): New.
2415         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2416
2417 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2418
2419         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2420         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2421         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2422         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2423         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2424         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2425
2426 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2427
2428         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2429         for dependency checking part.
2430         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2431         tests for dependency checking.
2432         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2433         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2434         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2435         flag -fdump-tree-graphite-all for autopar testsuites.
2436
2437 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2440         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2441         canonicalize_loop_ivs): Moved...
2442         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2443
2444 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * tree-parloops.c (try_create_reduction_list): Pass an extra
2447         argument analyzed_reductions.  Call analyze_reduction_list.
2448         (gen_parallel_loop): Do not call analyze_reduction_list.
2449         (parallelize_loops): Init and finalize analyzed_reductions.
2450
2451 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2452
2453         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2454         Added flag -fno-loop-strip-mine for autopar testcase.
2455
2456 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2457
2458         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2459         transformed scattering dimension instead of unmatch orignal when
2460         calling dependence_polyhedron.
2461
2462 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2463
2464         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2465
2466 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2467
2468         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2469         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2470
2471 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2474         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2475         * graphite-poly.c (pbb_number_of_iterations): New.
2476         * graphite-poly.h (pbb_number_of_iterations): Declared.
2477         (pbb_iterator_dim, pbb_parameter_dim): New.
2478
2479 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2482         last commit on type of lower and upper bound of loops.
2483
2484 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2485
2486         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2487         graphite-dependences.h.
2488         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2489         (mark_bb_with_pbb): New.
2490         (get_stmtfor_depth): New.
2491         (find_pbb_via_hash): New.
2492         (dependency_in_loop_p): New.
2493         (mark_loops_parallel): New.
2494         (free_aux_in_new_loops): New.
2495         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2496         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2497         innermost loop parallel without checking.
2498         (gloog): Add parameter BB_PBB_MAPPING.
2499         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2500         (gloog): Change declaration.
2501         (mark_loop_parallel): Make extern.
2502         (free_aux_in_new_loops): Declare.
2503         (bb_pbb_map_hash): New.
2504         (eq_bb_pbb_map): New.
2505         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2506         auto parallelization when flag_graphite_force_parallel is set.
2507         (graphite_finalize): Added free_aux_in_new_loops.
2508         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2509         the innermost loop that marked parallel.  Use
2510         flag_graphite_force_parallel instead of loop->can_be_parallel.
2511         (loop_parallel_p): Move inner most checking out of function.
2512
2513 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2514
2515         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2516         type of lower and upper bound of loops signed long int.
2517
2518 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2521         expression outside the loop.
2522
2523 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * gcc.dg/graphite/interchange-8.c: New.
2526
2527 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         * gcc.dg/graphite/interchange-0.c: XFailed.
2530         * gcc.dg/graphite/interchange-5.c: XFailed.
2531         * gcc.dg/graphite/interchange-6.c: XFailed.
2532
2533 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2534
2535         * graphite-interchange.c (compute_array_size_poly): The end of the
2536         recursion should return 1.
2537
2538 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2539
2540         * graphite-interchange.c (compute_array_size_cstr): Allow the
2541         subscript multiplier to be -1.
2542         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2543         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2544         data_container.  Initializes PDR_DATA_CONTAINER.
2545         (print_pdr_access_layout): New.
2546         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2547         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2548         data_container.
2549         (PDR_DATA_CONTAINER): New.
2550         (new_poly_dr): Update declaration.
2551         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2552         (build_poly_dr): Call pdr_add_data_dimensions.
2553
2554 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * graphite-poly.h (struct poly_dr): Fix comment.
2557         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2558         (pdr_add_memory_accesses): New.
2559         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2560
2561 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2564         (print_pbb): Add call to print_pdrs.
2565         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2566
2567 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2568             Li Feng <nemokingdom@gmail.com>
2569
2570         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2571         (dependency_between_pbbs_p): New.
2572         (lexicographically_gt_p): Assure !empty_p before polyhedron
2573         intersection assign.
2574         (build_lexicographically_gt_constraint): Correct lexicographically
2575         judging.
2576         * graphite-dependences.h: New.
2577         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2578
2579 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2582         (gloog): Print to dump_file the generated clast.
2583         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2584         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2585
2586 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * graphite-poly.c (extend_scattering): Increment
2589         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2590
2591 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         * graphite-interchange.c (compute_array_size_poly): Added exit of
2594         recursion condition.  Continue iterating even after the first equality.
2595         (compute_array_size): Same.
2596
2597 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2598
2599         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2600         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2601         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2602         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2603         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2604
2605 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2608         only when the use verifies is_gimple_reg.
2609
2610 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2613         Allocate scaldims after call to unify_scattering_dimensions.
2614
2615 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2616
2617         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2618
2619 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2620             Albert Cohen  <albert.cohen@inria.fr>
2621
2622         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2623         variables for the strip mining.
2624
2625 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2626             Pranav Garg  <pranav.garg2107@gmail.com>
2627
2628         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2629         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2630         (graphite-blocking.o): New rule.
2631         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2632         * graphite-blocking.c: New.
2633         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2634         flag_loop_strip_mine.
2635         (psct_scattering_dim_for_loop_depth): New.
2636         * graphite-poly.h (scop_do_strip_mine): Declared.
2637         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2638         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2639         flag_loop_strip_mine.
2640
2641 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2644         a GMP value and a PPL coefficient at each iteration of a loop.
2645
2646 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         * graphite-dependences.c (dependence_polyhedron): Do not use
2649         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2650         pbb_nb_scattering_transform.
2651         (graphite_legal_transform_dr): Same.
2652         * graphite-poly.c (extend_scattering): Same.
2653         (unify_scattering_dimensions): Same.
2654         (print_scattering_function): Same.
2655         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2656         PBB_NB_LOCAL_VARIABLES.
2657         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2658         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2659         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2660         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2661         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2662         (pbb_nb_scattering_transform): New.
2663         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2664         (psco_scattering_dim): Add assert on parameters.
2665         (psct_scattering_dim): Same.
2666         (psct_scattering_dim_for_loop_depth): Declared.
2667         (psct_local_var_dim): New.
2668         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2669         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2670         correct layout, call pbb_nb_local_vars.
2671         (psct_add_local_variable, psct_add_scattering_dimension): New.
2672         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2673         Initialize PBB_NB_SCATTERING_TRANSFORM.
2674
2675 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2678         (set_coef): Renamed ppl_set_coef.
2679         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2680
2681 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2682
2683         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2684         test a boolean against 1.
2685         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2686         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2687         (pbb_do_interchange): Returns true when a transform has been performed.
2688         (scop_do_interchange): Same.
2689         * graphite-poly.c (apply_poly_transforms): Use the return value of
2690         scop_do_interchange.
2691         * graphite-poly.h (scop_do_interchange): Update declaration.
2692
2693 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2694
2695         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2696         after last use.
2697         * sese.c (sese_reset_aux_in_loops): New.
2698         * sese.h (sese_reset_aux_in_loops): New.
2699
2700 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2703         multiplier and multiply the constant by the multiplier.
2704         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2705         (build_poly_dr): Do not use the multiplier to define the subscript.
2706
2707 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2710         compiler's data reference.  Initialize PDR_CDR.
2711         (print_pdr): Call dump_data_reference.
2712         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2713         Add compiler_dr field.
2714         (PDR_BB): Renamed PDR_PBB.
2715         (PDR_CDR): New.
2716         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2717         GCC's data reference representation.
2718         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2719         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2720
2721 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-poly.c (print_scattering_function): Also print the layout.
2724         * graphite-poly.h (pbb_nb_local_vars): New.
2725
2726 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2729
2730 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-poly.c (print_pdr, debug_pdr): New.
2733         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2734         (PDR_BASE): Removed.
2735
2736 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2739         ltrans-{1..6,8}.c.
2740
2741 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2744         subscript identification column.
2745         (pbb_do_interchange): Print to dump_file that some loops "will be
2746         interchanged".  Rely on that chain of characters in the testcases.
2747         * gcc.dg/graphite/interchange-0.c: New.
2748         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2749         interchange-*.c files and compile them with -floop-interchange.
2750
2751 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2752
2753         * graphite-interchange.c (interchange_profitable_p): Renamed
2754         pbb_interchange_profitable_p.
2755
2756 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2757             Harsha Jagasia  <harsha.jagasia@amd.com>
2758             Pranav Garg  <pranav.garg2107@gmail.com>
2759
2760         * graphite-interchange.c (interchange_profitable_p): Make static.
2761         (pbb_interchange_loop_depths, pbb_do_interchange,
2762         scop_do_interchange): New.
2763         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2764         for flag_loop_interchange.
2765         * graphite-poly.h (scop_do_interchange): Declared.
2766         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2767         flag_loop_interchange is used.
2768
2769 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2770
2771         * graphite-dependences.c (dependence_polyhedron): Update use of
2772         pbb_nb_scattering_dims.
2773         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2774         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2775         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2776         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2777
2778 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2779
2780         * graphite.c: Cleanup foo.
2781
2782 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2783
2784         * Merge from mainline (r143684:148293).
2785         * Disabled libpcp until it gets fixed.
2786
2787 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2788             Harsha Jagasia  <harsha.jagasia@amd.com>
2789
2790         * graphite-interchange.c: New.
2791         * Makefile.in (graphite-interchange.o): New.
2792         * graphite-poly.h (interchange_profitable_p): Declared.
2793         * graphite-ppl.h (value_max): New.
2794
2795 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2796
2797         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2798         * graphite-poly.h: Fix some comments.
2799         (pdr_dim): New.
2800         (pdr_scop): New.
2801
2802 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * graphite-poly.h
2805         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2806         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2807         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2808         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2809         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2810         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2811         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2812         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2813         * graphite-clast-to-gimple.c: Same.
2814         * graphite-dependences.c: Same.
2815         * graphite-poly.c: Same.
2816         * graphite-sese-to-poly.c: Same.
2817
2818 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2819
2820         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2821         expressions for an IV rename, as returned by clast_to_gcc_expression.
2822         (copy_renames): Rename new_name to expr.
2823         * sese.c (debug_rename_elt): Same.
2824         (get_rename): Same.
2825         (set_rename): Same.
2826         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2827         the information from the rename map.
2828         (rename_variables_in_stmt): Same.
2829         (add_loop_exit_phis): Rename new_name to expr.
2830         (insert_loop_close_phis): Same.
2831         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2832         * sese.h (struct rename_map_elt): Rename new_name to expr.
2833         (new_rename_map_elt): Same.
2834
2835 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2838         * sese.c (set_rename): Make it extern.
2839         * sese.h (set_rename): Declared.
2840
2841 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-poly.c (extend_scattering): Free values.
2844         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2845         Free iterators.
2846         (ppl_print_powerset_matrix): Same.
2847         * graphite-scop-detection.c (free_scops_1): New.
2848         (limit_scops): Call free_scops_1.
2849         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2850         (build_poly_dr): Free PPL coefficients.
2851         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2852
2853 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2854
2855         * graphite-dependences.c: New.
2856         * graphite-data-ref.c: Removed.
2857         * graphite-data-ref.h: Removed.
2858         * Makefile.in (graphite-data-ref.o): Removed.
2859         (graphite-dependences.o): Added.
2860         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2861         * graphite-poly.c: Same.
2862         Move the data dependence testing to graphite-dependences.c.
2863
2864 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2865
2866         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2867         from graphite_cannot_represent_loop. Code refactored.
2868         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2869
2870 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2871
2872         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2873         Cover all the testcases (not only the filtered ones).
2874
2875 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2876
2877         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2878         unnecessary check. Update comments. Move check for REAL_TYPE here.
2879         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2880         done in (stmt_simple_for_scop_p).
2881
2882 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2883
2884         * graphite.c (print_global_statistics): New.
2885         (print_graphite_scop_statistic): New.
2886         (print_graphite_statistics): New.
2887         (graphite_initialize, graphite_transform_loops): Print statistics.
2888         * graphite-scop-detection (build_scops): Print statistics.
2889         (print_graphite_scop_statistics): New.
2890         (print_graphite_statistics): New.
2891
2892 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2895         (debug_clast_name_index): Removed.
2896         (debug_clast_name_indexes_1): Removed.
2897         (debug_clast_name_indexes): Removed.
2898         (clast_name_index_elt_info): Removed.
2899         (eq_clast_name_indexes): Removed.
2900         (clast_name_to_index): Removed.
2901         (new_clast_name_index): Removed.
2902         (save_clast_name_index): Removed.
2903         (save_var_name): Moved...
2904         (init_sese_params_index): Removed.
2905         (clast_name_to_gcc): Remove use of name_tree.
2906         (initialize_cloog_names): Same.
2907         (gloog): Do not call init_sese_params_index.
2908         * graphite-sese-to-poly.c (save_var_name): ...here.
2909         (parameter_index_in_region): New.
2910         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2911         (parameter_index_in_region): Removed.
2912         (is_parameter): Remove use of name_tree.
2913         * sese.h (struct name_tree): Removed.
2914         (struct sese): Remove use of name_tree.  New field params_names.
2915         (SESE_PARAMS_NAMES): New.
2916         (SESE_PARAMS): Remove duplicate.
2917         (parameter_index_in_region): Removed.
2918         (sese_nb_params): Remove use of name_tree.
2919         (struct clast_name_index): New.
2920         (new_clast_name_index): New.
2921         (clast_name_to_index): New.
2922         (save_clast_name_index): New.
2923         (debug_clast_name_index): New.
2924         (debug_clast_name_indexes_1): New.
2925         (debug_clast_name_indexes): New.
2926         (clast_name_index_elt_info): New.
2927         (eq_clast_name_indexes): New.
2928
2929 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2932         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2933         (graphite_loop_normal_form): Do not pass region.  Do not
2934         initialize SESE_OLDIVS.
2935         (build_graphite_loop_normal_form): Update call to
2936         graphite_loop_normal_form.
2937         * sese.c (debug_oldivs): Removed.
2938         (new_sese): Do not initialize SESE_OLDIVS.
2939         (free_sese): Do not free SESE_OLDIVS.
2940         (oldiv_for_loop): Removed.
2941         * sese.h (struct sese): Remove old_ivs.
2942         (SESE_OLDIVS): Removed.
2943         (oldiv_for_loop): Removed.
2944
2945 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2946
2947         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2948         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2949         replaced by a call to newivs_to_depth_to_newiv.
2950         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2951         (clast_to_gcc_expression_red): Same.
2952         (gcc_type_for_clast_expr): Same.
2953         (gcc_type_for_clast_eq): Same.
2954         (graphite_translate_clast_equation): Same.
2955         (graphite_create_guard_cond_expr): Same.
2956         (graphite_create_new_guard): Same.
2957         (graphite_create_new_loop): Same.
2958         (build_iv_mapping): Same.
2959         (translate_clast): Same.
2960         (gloog): Same.
2961         (loop_iv_stack_patch_for_consts): Removed.  *
2962         sese.c (iv_stack_entry_is_constant): Removed.
2963         (iv_stack_entry_is_iv): Removed.
2964         (loop_iv_stack_push_iv): Removed.
2965         (loop_iv_stack_insert_constant): Removed.
2966         (loop_iv_stack_pop): Removed.
2967         (loop_iv_stack_get_iv): Removed.
2968         (loop_iv_stack_get_iv_from_name): Removed.
2969         (debug_loop_iv_stack): Removed.
2970         (free_loop_iv_stack): Removed.
2971         (loop_iv_stack_remove_constants): Removed.  *
2972         sese.h (iv_stack_entry_kind): Removed.
2973         (iv_stack_entry_data_union): Removed.
2974         (iv_stack_entry_struct): Removed.
2975         (iv_stack_entry_p): Removed.
2976         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2977         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2978         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2979         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2980         (gbb_loop_at_index): Fix indenting.
2981         (gbb_loop_index): Removed.
2982
2983 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2984
2985         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2986         Call clast_name_to_index.
2987
2988 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2989
2990         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2991         do not pass params.  Get params from SESE_PARAMS.
2992         (clast_to_gcc_expression): Same.
2993         (clast_to_gcc_expression_red): Same.
2994         (gcc_type_for_clast_eq): Same.
2995         (graphite_translate_clast_equation): Same.
2996         (graphite_create_new_loop): Same.
2997         * sese.c (rename_variables_in_stmt): Fix comment.
2998
2999 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3002         newivs_index.
3003         Call save_clast_name_index.
3004         (translate_clast): Pass newivs_index.
3005         (gloog): Create and free newivs_index.
3006
3007 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3008
3009         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3010         (clast_name_index_p): New type.
3011         (debug_clast_name_index): New.
3012         (debug_clast_name_indexes_1): New.
3013         (debug_clast_name_indexes): New.
3014         (clast_name_index_elt_info): New.
3015         (eq_clast_name_indexes): New.
3016         (clast_name_to_index): New.
3017         (new_clast_name_index): New.
3018         (save_clast_name_index): New.
3019         (init_sese_params_index): New.
3020         (gloog): Call init_sese_params_index.
3021         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3022         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3023         (free_sese): Free SESE_PARAMS_INDEX.
3024         * sese.h (struct sese): Add params_index.
3025         (SESE_PARAMS_INDEX): New.
3026
3027 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3030         (graphite_create_new_loop): Pass the newivs vector.  Push the
3031         newly created IV to newivs.
3032         (translate_clast): Pass the newivs vector.
3033         (gloog): Create and destroy the newivs vector.
3034
3035 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3038         (graphite_loop_normal_form): Initialize loop->aux with the unique
3039         IV that has been created.
3040
3041 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3042
3043         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3044         scev with parameters in the base part. They where forbidden
3045         exidently.
3046
3047 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3048
3049         * gcc.dg/graphite/graphite.exp: Set different default
3050         compile options by file names.
3051         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3052         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3053         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3054         * gcc.dg/graphite/scop-matmult.c: Ditto.
3055
3056 2009-05-08  Li Feng <nemokingdom@gmail.com>
3057
3058         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3059         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3060         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3061         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3062
3063 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3064
3065         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3066         by final cleanup.
3067
3068 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3069
3070         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3071         allow integer constant strides.
3072         (graphite_can_represent_expr): Depend on outermost_loop.
3073         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3074         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3075         build_scops_1): Same.
3076         (scopdet_basic_block_info): Same and insert layered SCoP
3077         detection.
3078         (try_generate_gimple_bb): Cleanup.
3079         (build_scops): Enable data references.
3080
3081         * gcc.dg/graphite/id-5.c: New.
3082         * gcc.dg/graphite/id-9.c: New.
3083         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3084         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3085
3086 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3087
3088         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3089         that we have not yet built for this SCoP.
3090
3091 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3092
3093         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3094         for complex numbers.
3095
3096 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3097
3098         * graphite-ppl.c: Fix build if cloog is not available.
3099
3100 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3101
3102         * tree-parloops.c (loop_parallel_p): Remove construction of
3103         NITER and REDUCTION_LIST.
3104         (try_get_loop_niter): New.
3105         (try_create_reduction_list): New.
3106         (parallelize_loops): Bypass the failed checkings in autopar
3107         when can_be_parallel in loop structure is set to true.
3108
3109 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3110
3111         * gcc.dg/graphite/id-6.c: Update testcase.
3112         * gcc.dg/graphite/scop-3.c: Dito.
3113
3114 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3115
3116         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3117         Enable EQ_EXPR and NE_EXPR again.
3118
3119 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3120
3121         * graphite-scop-detection.c (graphite_can_represent_scev):
3122         Add check if scev is affine multivariate.
3123         (harmful_stmt_in_bb): Check if we can represent the conditions.
3124         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3125         harmful_stmt_in_bb.
3126         * gcc.dg/graphite/id-7.c: New.
3127
3128 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3131         Check all bbs in region, not only the bbs that are represented in
3132         GRAPHITE.
3133         (build_poly_scop): Add newline.
3134         * gcc.dg/graphite/id-8.c: New.
3135
3136 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3137
3138         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3139         when loop initialize.
3140         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3141         * common.opt: Declare flag_graphite_force_parallel.
3142         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3143         loop parallel.
3144         * graphite-poly.c (apply_poly_transforms): Introduce
3145         flag_graphite_force_parallel.
3146         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3147         * toplev.c (process_options): ditto and replace a not correctly
3148         encoded space.
3149
3150 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3151
3152         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3153         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3154         to the redefinition.
3155         (compute_cloog_iv_types_1): ditto.
3156         (build_iv_mapping): ditto.
3157         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3158         initialization.
3159         (free_gimple_bb): Removed GBB_LOOPS related free part.
3160         (build_bb_loops): Removed.
3161         * sese.h (struct gimple_bb): Removed loops.
3162         (GBB_LOOPS): Removed.
3163         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3164         (gbb_loop_index): ditto.
3165
3166 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3167
3168         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3169         allow non constant strides.
3170         * gcc.dg/graphite/scop-20.c: New.
3171
3172 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * graphite-scop-detection.c (dot_all_scops): Fix system call
3175         return value warning.
3176         (dot_scop): Same.
3177
3178 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * gcc.dg/graphite/id-6.c: Fix pattern.
3181         * gcc.dg/graphite/scop-3.c: Same.
3182
3183 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3184
3185         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3186         build_pairwise_constraint, dr_equality_constraints,
3187         build_pairwise_scheduling_equality,
3188         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3189         build_lexicographically_gt_constraint, dependence_polyhedron,
3190         graphite_legal_transform_dr, graphite_legal_transform_bb,
3191         graphite_legal_transform): New.
3192         * graphite-poly.h (graphite_legal_transform): Declared.
3193         * graphite-sese-to-poly.c (build_poly_scop): Call to
3194         graphite_legal_transform is disabled for the moment.
3195
3196 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite-poly.h (pbb_nb_scattering_dims): New.
3199         (pbb_nb_scattering): Use it.
3200
3201 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3204         Pointset_Powerset version of ppl_insert_dimensions.
3205         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3206
3207 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3210
3211 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3212
3213         * graphite-poly.h: Fix comment.
3214
3215 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3218
3219 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3220
3221         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3222         statements.
3223
3224 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3225
3226         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3227         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3228         conditions.
3229
3230 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3233         handle EQ_EXPR and NE_EXPR.
3234
3235 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3236
3237         * graphite-poly.h (poly_dr): Fix comment.
3238
3239 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3240             Tobias Grosser  <grosser@fim.uni-passau.de>
3241
3242         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3243         with a zero dimension polyhedron.
3244         (find_scop_parameters): Move the call to scop_set_nb_params here.
3245         (build_loop_iteration_domains): Store in loop->aux the iteration
3246         domain polyhedron.
3247         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3248         by any loop in scop.
3249         (build_poly_scop): Do not call scop_set_nb_params.
3250
3251 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3252             Tobias Grosser  <grosser@fim.uni-passau.de>
3253
3254         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3255         add_condition_to_domain not GT_EXPR.
3256
3257 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3258
3259         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3260         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3261         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3262         upper_bound_assign to calculate unions.
3263         * gcc.dg/graphite/id-6.c: New.
3264
3265 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3266
3267         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3268         handle abnormal edges.
3269
3270 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3271
3272         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3273         (free_poly_bb): Also free poly_drs.
3274         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3275         (poly_dr): Polyhedron to Pointset_Powerset.
3276         (pdr_accessp_nb_subscripts): Same.
3277         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3278         poly_drs.
3279
3280 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3283         names into more meaningful names.
3284
3285 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3286
3287         * gfortran.dg/graphite/interchange-1.c: New.
3288         * gfortran.dg/graphite/interchange-2.c: New.
3289
3290 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3293         the reduction_list.
3294         * tree-parloops.c (rewrite_phi_with_iv): New.
3295         (rewrite_all_phi_nodes_with_iv): New.
3296         (canonicalize_loop_ivs): Call them.
3297
3298 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3301         graphite_find_data_references_in_stmt.
3302         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3303         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3304
3305 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3306
3307         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3308
3309 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3310
3311         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3312         instead of bb_in_region.
3313         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3314         (build_sese_conditions): Use flag_bb_in_sese.
3315         * sese.c (register_bb_in_sese): Removed.
3316         (new_sese): Remove initialization of SESE_REGION_BBS.
3317         (free_sese): Do not free SESE_REGION_BBS.
3318         * sese.h (struct sese): Remove field region_basic_blocks.
3319         (SESE_REGION_BBS): Removed.
3320         (bb_in_sese_p): Implement in function of bb_in_region.
3321
3322 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3325         loops.
3326
3327 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3328
3329         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3330         and EQ_EXPR.
3331         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3332         (add_condition_to_domain): New.
3333         (add_condition_to_pbb): New.
3334         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3335         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3336
3337 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3338
3339         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3340         ppl_Pointset_Powerset.
3341         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3342         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3343         (pbb_nb_loops): Same.
3344         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3345         add_conditions_to_domain): Same.
3346         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3347         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3348         ppl_const_Polyhedron_t.
3349         (ppl_print_powerset_matrix): New.
3350         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3351         ppl_print_powerset_matrix): New.
3352         (ppl_print_polyhedron_matrix): Updated.
3353
3354 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3355
3356         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3357
3358 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3361         (print_iteration_domains, debug_iteration_domain,
3362         debug_iteration_domains): New.
3363         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3364         debug_iteration_domains): Declared.
3365         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3366         indenting.
3367
3368 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3369             Sebastian Pop  <sebastian.pop@amd.com>
3370
3371         * graphite-poly.h (print_iteration_domain): New.
3372         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3373         (build_sese_conditions_1, build_sese_conditions_after,
3374         build_sese_conditions_before): New.
3375         (build_sese_conditions): Rewritten.
3376
3377 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3378             Tobias Grosser  <grosser@fim.uni-passau.de>
3379
3380         Cleanup of code generation liveouts.
3381         * graphite-clast-to-gimple.c (translate_clast): Use a single
3382         rename_map instead of one per translated statement.
3383         Do not use SESE_LIVEOUT_RENAMES.
3384         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3385         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3386         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3387         phi node of a reduction: when a loop contains a reduction used outside
3388         the loop, there should be a scalar close phi node on the exit block.
3389         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3390         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3391         (free_sese): Do not free them.
3392         (sese_build_liveouts_use): Do not use them.
3393         (sese_build_liveouts_bb): Same.
3394         (sese_build_liveouts): Same.
3395         (sese_insert_phis_for_liveouts): Same.
3396         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3397         (defined_in_loop_p): New.
3398         (alive_after_loop): New.
3399         (close_phi_not_yet_inserted_p): New.
3400         (struct alep, alep_p): New.
3401         (add_loop_exit_phis): Remove from the rename_map all the names defined
3402         in the code generated loop.
3403         (insert_loop_close_phis): Traverse the rename_map passed to it.
3404         Don't use SESE_LIVEOUT_RENAMES.
3405         (default_liveout_before_guard): Renamed default_before_guard.
3406         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3407         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3408         (register_sese_liveout_renames): Removed.
3409         (copy_bb_and_scalar_dependences): Do not call it.
3410         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3411         reduction_list.
3412         (SESE_LIVEOUT): Removed.
3413         (SESE_LIVEOUT_RENAMES): Removed.
3414         (SESE_REDUCTION_LIST): Removed.
3415         (sese_build_liveouts): Removed.
3416         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3417         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3418         (insert_guard_phis): Same.
3419         (rename_map_elt): Declare a VEC of them.
3420         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3421         trees not pointers to trees.
3422
3423         Rewrite in canonical close SSA form:
3424         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3425         (limit_scops): Close the scop after the block containing the close phi
3426         nodes.
3427         (canonicalize_loop_closed_ssa): New.
3428         (canonicalize_loop_closed_ssa_form): New.
3429         (build_scops): Call canonicalize_loop_closed_ssa_form.
3430
3431         * graphite-sese-to-poly.c: Fix typos.
3432
3433 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3434
3435         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3436         Extended.
3437         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3438         (print_pbb): Add conditions.
3439
3440 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3441             Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3444         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3445         (build_scop_bbs_1): New.
3446         (build_scop_bbs): Rewrite.
3447         * sese.h (bb_in_region): New.
3448
3449 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3450
3451         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3452         poly_drs vector.
3453         (print_scop): Style.
3454         * graphite-poly.h (poly_bb): Add drs vector.
3455         (PBB_DRS): Add accessor.
3456         * graphite-sese-to-poly.c (build_poly_dr): New.
3457         (build_pbb_drs, build_scop_drs): New.
3458         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3459
3460 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3461
3462         * tree-ssa-loop.c: Include forgotten toplev.h
3463
3464 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3465
3466         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3467         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3468         * gcc.dg/graphite/pr37928.c: Same
3469         * gcc.dg/graphite/pr38409.c: Same
3470         * gcc.dg/graphite/pr38498.c: Same
3471         * gcc.dg/graphite/pr38559.c: Same
3472         * gcc.dg/graphite/pr39335.c: Same
3473         * gcc.dg/graphite/pr39335_1.c: Same
3474         * gfortran.dg/graphite/block-2.f: Same
3475         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3476         with -floop-*.
3477
3478 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3479
3480         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3481         build_access_matrix, build_scop_data_accesses): Remove access function
3482         building. (We get a new version soon).
3483         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3484         * sese.h (nb_loops_around_loop_in_sese): Remove.
3485         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3486
3487 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3488             Sebastian Pop  <sebastian.pop@amd.com>
3489
3490         * graphite-scop-detection.c (struct scopdet_info): Rename last
3491         field to exit.
3492         (scopdet_basic_block_info, build_scops_1): Don't use
3493         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3494
3495 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3496             Sebastian Pop  <sebastian.pop@amd.com>
3497
3498         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3499         * sese.c (sese_build_liveouts_use): Renamed from
3500         sese_build_livein_liveouts_use. Remove liveins.
3501         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3502         Call sese_build_liveouts_use.
3503         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3504         Call sese_build_liveouts_bb.
3505         (new_sese, free_sese): Remove liveins.
3506         (sese_add_exit_phis_var): Deleted.
3507         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3508         directly.
3509         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3510
3511         * sese.h (sese): Remove num_ver and livein.
3512         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3513
3514 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3515
3516         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3517
3518 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3519
3520         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3521         (build_scop_scattering): Do not use compare_prefix_loops any more.
3522         (nb_common_loops): New.
3523
3524 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3527         (register_old_and_new_names): Renamed set_rename.
3528
3529 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3532         of the decl from the previous commit.
3533
3534 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite-scop-detection.c (dot_scop): New.
3537         * graphite-scop-detection.h (dot_scop): Declared.
3538
3539 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3540
3541         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3542
3543 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3544
3545         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3546         condition at the end of the loop.
3547         * graphite.c (graphite_initialize, graphite_finalize): Print to
3548         dump_file the compiled function.
3549         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3550         of create_empty_loop_on_edge.
3551         (translate_clast): Update the code generation of loops for the new
3552         shape of loops.
3553         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3554
3555 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3556
3557         Reverted the patch from 2009-03-19.
3558
3559 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3560
3561         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3562         poly_drs vector.
3563         (print_scop): Style.
3564         * graphite-poly.h (poly_bb): Add drs vector.
3565         (PBB_DRS): Add accessor.
3566         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3567         (build_access_matrix_with_af, build_access_matrix,
3568         build_scop_data_accesses): Delete.
3569         (build_poly_dr): New.
3570         (build_pbb_drs, build_scop_drs): New.
3571         (build_poly_scop): call build_scop_drs.
3572
3573 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3576         once per basic block.
3577
3578 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3579
3580         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3581         (graphite_can_represent_expr): Renamed from loop_affine_expr
3582         and enhanced.
3583         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3584         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3585         (scopdet_basic_block_info): Actually define entry_block.
3586         (stmt_simple_memref_p): Moved here from ...
3587
3588         * tree-data-ref.c (stmt_simple_memref_p): here.
3589         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3590
3591 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3592
3593         * gcc.dg/graphite/id-4.c: New.
3594
3595 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3598         (register_old_and_new_names): Update the content of the map.
3599         When there was already a rename_map_elt in the map at that
3600         location, free it.
3601         (copy_bb_and_scalar_dependences): Do rename_variables after
3602         expand_scalar_variables.
3603         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3604         of the map.  When there was already a rename_map_elt in the
3605         map at that location, free it.
3606         (translate_clast): Pass the rename_map.  Do not initialize and free
3607         a rename_map per stmt_user.
3608         (gloog): Initialize and free one rename_map and pass it to
3609         translate_clast.
3610
3611 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * sese.c (expand_scalar_variables_stmt,
3614         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3615         parameter.
3616         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3617         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3618         the gimple_stmt_iterator of the statement to be expanded.
3619         * graphite-scop-detection.c (is_simple_operand): Do handle
3620         REALPART_EXPR.
3621
3622 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3623
3624         * graphite-scop-detection.c (is_simple_operand): Do not handle
3625         REALPART_EXPR.
3626         * gcc.dg/graphite/id-2.c: New.
3627
3628         * graphite-sese-to-poly.c (build_bb_loops,
3629         add_value_to_dim, scan_tree_for_params_right_scev,
3630         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3631         find_params_in_bb, build_loop_iteration_domains,
3632         add_conditions_to_domain): Remove subtract.
3633
3634 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3635
3636         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3637         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3638         pbb_loop_at_index -> gbb_loop_at_index.
3639         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3640         (debug_loop_vec): Delete.
3641         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3642         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3643         (PBB_LOOPS): Removed.
3644         (PBB_BLACK_BOX): Insert cast.
3645         (pbb_set_black_box): New setter.
3646         (pbb_loop_at_index, pbb_loop_index): Removed.
3647         (scop_set_region, scop_set_nb_params): New.
3648         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3649         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3650         (build_poly_scop): Use scop_set_nb_params.
3651         * sese.h (gimple_bb): Add LOOPS.
3652         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3653
3654 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3655
3656         Revert previous commit.
3657
3658 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3659
3660         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3661         (register_old_and_new_names): Update the content of the map.
3662         When there was already a rename_map_elt in the map at that
3663         location, free it.
3664         (copy_bb_and_scalar_dependences): Do rename_variables after
3665         expand_scalar_variables.
3666         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3667         of the map.  When there was already a rename_map_elt in the
3668         map at that location, free it.
3669         (translate_clast): Pass the rename_map.  Do not initialize and free
3670         a rename_map per stmt_user.
3671         (gloog): Initialize and free one rename_map and pass it to
3672         translate_clast.
3673
3674 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3675
3676         Remove forgotten line in revert.
3677
3678 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         Revert previous commit.
3681
3682 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         * sese.c (register_old_and_new_names): Update the content
3685         of the map.  When there was already a rename_map_elt in the
3686         map at that location, free it.
3687         (copy_bb_and_scalar_dependences): Do rename_variables after
3688         expand_scalar_variables.
3689         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3690         of the map.  When there was already a rename_map_elt in the
3691         map at that location, free it.
3692         (translate_clast): Pass the rename_map.  Do not initialize and free
3693         a rename_map per stmt_user.
3694         (gloog): Initialize and free one rename_map and pass it to
3695         translate_clast.
3696
3697 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         * graphite-clast-to-gimple.c (translate_clast): context_loop
3700         is never NULL.
3701
3702 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3703             Sebastian Pop  <sebastian.pop@amd.com>
3704
3705         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3706         of the use of ppl_Polyhedron_map_space_dimensions.
3707
3708 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3709             Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3712         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3713         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3714         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3715         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3716         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3717         pbb_nb_params): New.
3718         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3719         nb_loops_around_pbb): Adapt return types.
3720
3721 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3722
3723         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3724         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3725         graphite-scop-detection.o, graphite-poly.o): Add
3726         more headers.
3727
3728 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3729
3730         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3731         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3732         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3733
3734 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3735
3736         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3737         * gcc.dg/graphite/pr37828.c: Same.
3738         * gcc.dg/graphite/pr37684.c: Same.
3739         * gcc.dg/graphite/block-0.c: Same.
3740         * gcc.dg/graphite/block-1.c: Same.
3741         * gcc.dg/graphite/block-2.c: Same.
3742         * gcc.dg/graphite/block-3.c: Same.
3743         * gcc.dg/graphite/block-4.c: Same.
3744         * gcc.dg/graphite/block-5.c: Same.
3745         * gcc.dg/graphite/block-6.c: Same.
3746         * gfortran.dg/graphite/pr38083.f90: Same.
3747         * gfortran.dg/graphite/block-1.f90: Same.
3748         * gfortran.dg/graphite/block-3.f90: Same.
3749         * gfortran.dg/graphite/pr37852.f90: Same.
3750         * gfortran.dg/graphite/block-4.f90: Same.
3751         * gfortran.dg/graphite/pr37980.f90: Same.
3752         * gfortran.dg/graphite/pr38953.f90: Same.
3753         * gfortran.dg/graphite/pr37857.f90: Same.
3754         * opts.c: Remove -floop-block from -O2.
3755         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3756         -floop-strip-mine are used.
3757
3758 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3759             Sebastian Pop  <sebastian.pop@amd.com>
3760
3761         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3762         dimensions.
3763         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3764         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3765         strip_mine_profitable_p, is_interchange_valid,
3766         graphite_trans_bb_block, graphite_trans_loop_block,
3767         graphite_trans_scop_block): Temporary removed.
3768         (extend_scattering, unify_scattering_dimensions): New.
3769         (print_scattering_function, graphite_read_transforms):
3770         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3771         (graphite_generate_scattering_fns): Removed.
3772         (apply_poly_transforms): Cleanup.
3773         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3774         (schedule_to_scattering): Moved.
3775         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3776         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3777         (pbb_nb_scattering): New.
3778         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3779         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3780         Removed.
3781         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3782         shift_poly.
3783         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3784         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3785         -> PBB_TRANSFORMED_SCATTERING.
3786         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3787         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3788         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3789         (check_poly_representation): Do not return bool.
3790         (graphite_transform_loops): Reformat.
3791         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3792
3793 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3796         debug_pbb_domain, debug_pbb, debug_scop): New.
3797         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3798         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3799
3800 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         PR middle-end/39335
3803         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3804         when the type precision of the induction variable should be
3805         larger than the type precision of nit.
3806         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3807         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3808         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3809
3810         * gcc.dg/graphite/pr39335_1.c: New.
3811         * gcc.dg/graphite/pr39335.c: New.
3812
3813 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3814
3815         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3816         SSA_NAMES not struct reduction_info.
3817
3818 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3819
3820         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3821
3822 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3823             Tobias Grosser  <grosser@fim.uni-passau.de>
3824
3825         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3826         (free_sese): Free SESE_REDUCTION_LIST.
3827         * sese.h (struct sese): Add field reduction_list.
3828         (SESE_REDUCTION_LIST): New.
3829         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3830         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3831
3832 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3833             Tobias Grosser  <grosser@fim.uni-passau.de>
3834
3835         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3836         of loop_p.
3837
3838 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3839             Tobias Grosser  <grosser@fim.uni-passau.de>
3840
3841         * tree-parloops.c (struct brli, build_reduction_list_info,
3842         analyze_reduction_list, gather_scalar_reductions): New.
3843         (loop_parallel_p): Build a reduction list containing only
3844         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3845         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3846         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3847         * tree-flow.h (gather_scalar_reductions): Declared.
3848
3849 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3850
3851         PR middle-end/39308
3852         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3853         number_of_iterations_exit from a gcc_assert.
3854
3855 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3856             Jan Sjodin  <jan.sjodin@amd.com>
3857
3858         * output.h (graphite_out_file, graphite_in_file): Declared.
3859         * toplev.c (graphite_out_file, graphite_in_file): New.
3860         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3861         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3862         Don't call schedule_to_scattering.
3863         * common.opt (fgraphite-write, fgraphite-read): New.
3864         * graphite-poly.c: Include output.h.
3865         (print_scattering_function, print_scattering_functions,
3866         debug_scattering_function, debug_scattering_functions,
3867         graphite_write_transforms, graphite_read_transforms,
3868         graphite_generate_scattering_fns): New.
3869         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3870         Call graphite_generate_scattering_fns, graphite_write_transforms,
3871         graphite_read_transforms.
3872         (new_poly_bb): Initialize PBB_SCATTERING.
3873         (free_poly_bb): Free PBB_SCATTERING.
3874         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3875         * graphite-poly.h (struct poly_bb): Add field scattering.
3876         (PBB_SCATTERING): New.
3877         (print_scattering_function, print_scattering_functions,
3878         debug_scattering_function, debug_scattering_functions): Declared.
3879         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3880         GMP values, not integers!
3881         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3882         ppl_read_polyhedron_matrix): New.
3883         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3884         debug_ppl_polyhedron_matrix,
3885         ppl_read_polyhedron_matrix): Declared.
3886         * Makefile.in (graphite-poly.o): Depends on output.h.
3887
3888 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3889             Tobias Grosser  <grosser@fim.uni-passau.de>
3890
3891         Revert this change:
3892         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3893         scalar evolutions in the scop_entry->loop_father.
3894
3895 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3896             Tobias Grosser  <grosser@fim.uni-passau.de>
3897
3898         * graphite.h (ref_nb_loops): Remove declaration.
3899         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3900         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3901         debug_gbb): Moved to sese.h.
3902         * sese.h: As said.
3903
3904 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3905             Tobias Grosser  <grosser@fim.uni-passau.de>
3906
3907         * graphite-data-ref.[ch]: Disable.
3908
3909 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3910             Tobias Grosser  <grosser@fim.uni-passau.de>
3911
3912         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3913         scalar evolutions in the scop_entry->loop_father.
3914
3915 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3916
3917         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3918         (graphite_cannot_represent_loop_niter): Renamed
3919         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3920         (limit_scops): build_sese_loop_nests does not return a bool.
3921         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3922         * sese.c (nb_reductions_in_loop): ... from here.
3923         (graphite_loop_normal_form): ... from here.
3924         (sese_record_loop): Does not fail, so does not return a bool.
3925         (build_sese_loop_nests): Same.
3926         * sese.h (build_sese_loop_nests): Update declaration.
3927         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3928         (build_graphite_loop_normal_form): New.
3929         (gloog): Call build_graphite_loop_normal_form.
3930         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3931         build_sese_loop_nests.
3932
3933         * gcc.dg/graphite/id-1.c: New.
3934
3935 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3936             Tobias Grosser  <grosser@fim.uni-passau.de>
3937
3938         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3939         The SCoP detection fix is sufficient.
3940
3941 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3942
3943         PR tree-optimization/39260
3944         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3945         the basic block contains a condition with a real type.
3946         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3947
3948         * gcc.dg/graphite/pr39260.c: New.
3949
3950 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3951
3952         * graphite-poly.c: Inlcude params.h.
3953         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3954         the size of a tile.
3955         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3956         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3957
3958 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3959             Tobias Grosser  <grosser@fim.uni-passau.de>
3960
3961         * graphite-scop-detection.c (dot_all_scops_1,
3962         dot_all_scops): Moved here.
3963         * graphite-scop-detection.h (dot_all_scops): Declared here.
3964         * graphite.c (graphite_initialize, graphite_finalize): New.
3965         (graphite_transform_loops): Cleaned up.
3966         * sese.c (debug_oldivs): Moved here.
3967         * graphite-poly.c (graphite_apply_transformations): Renamed
3968         apply_poly_transforms.
3969         (debug_loop_vec): Moved here.
3970         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3971         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3972         find_scop_parameters, build_scop_iteration_domain,
3973         add_conditions_to_constraints, build_scop_canonical_schedules,
3974         build_scop_data_accesses): Now static.
3975         (build_poly_scop, check_poly_representation): New.
3976
3977 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3978
3979         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3980         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3981         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3982         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3983         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3984         scan_tree_for_params, struct irp_data, dx_record_params,
3985         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3986         build_loop_iteration_domains, add_conditions_to_domain,
3987         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3988         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3989         build_sese_conditions, add_conditions_to_constraints,
3990         build_scop_iteration_domain, build_access_matrix_with_af,
3991         build_access_matrix,
3992         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3993
3994         * graphite-sese-to-poly.c: New.
3995         * graphite-sese-to-poly.h: New.
3996
3997         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3998
3999 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4000
4001         * graphite.c: Split graphite code generation to a new file.
4002         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4003         max_precision_type, clast_to_gcc_expression_red,
4004         clast_to_gcc_expression, gcc_type_for_clast_expr,
4005         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4006         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4007         graphite_create_new_guard, clast_get_body_of_loop,
4008         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4009         graphite_create_new_loop, build_iv_mapping, copy_renames,
4010         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4011         compute_cloog_iv_types, free_scattering, save_var_name,
4012         initialize_cloog_names, build_scop_context, build_cloog_prog,
4013         set_cloog_options, debug_clast_stmt, scop_to_clast,
4014         print_generated_program, debug_generated_program,
4015         gloog): Moved to graphite-clast-to-gimple.c.
4016
4017         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4018
4019         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4020         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4021         loop_iv_stack_pop, loop_iv_stack_get_iv,
4022         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4023         free_loop_iv_stack, loop_iv_stack_remove_constants,
4024         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4025         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4026         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4027         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4028         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4029         get_vdef_before_sese, sese_adjust_vphi,
4030         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4031         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4032         is_iv, expand_scalar_variables_ssa_name,
4033         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4034         expand_scalar_variables, rename_variables, remove_condition,
4035         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4036         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4037         default_liveout_before_guard, add_guard_exit_phis,
4038         insert_guard_phis, register_old_and_new_names,
4039         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4040         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4041         if_region_set_false_region, create_if_region_on_edge,
4042         move_sese_in_condition): Moved to sese.c.
4043
4044         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4045         if_region_exit, if_region_get_condition_block,
4046         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4047         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4048         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4049         ivtype_map_elt, new_ivtype_map_elt,
4050         recompute_all_dominators): Moved to sese.h.
4051
4052         * graphite-clast-to-gimple.c: New.
4053         * graphite-clast-to-gimple.h: New.
4054         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4055         * sese.c: Modified as said above.
4056         * sese.h: Same.
4057
4058 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4059
4060         * graphite.c: Split scop detection to a new file.
4061         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4062         move_sd_regions, loop_affine_expr, exclude_component_ref,
4063         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4064         graphite_cannot_represent_loop_niter, struct scopdet_info,
4065         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4066         find_single_entry_edge, find_single_exit_edge,
4067         create_single_entry_edge, sd_region_without_exit,
4068         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4069         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4070         Moved to graphite-scop-detection.c.
4071
4072         * graphite-scop-detection.c: New.
4073         * graphite-scop-detection.h: New.
4074         * Makefile.in: Add new rule for graphite-scop-detection.o.
4075
4076         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4077         tree-scalar-evolution.h.
4078         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4079         build_sese_loop_nests): Moved here from graphite.c.
4080         (param_index): Renamed parameter_index_in_region.
4081
4082 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4083             Sebastian Pop  <sebastian.pop@amd.com>
4084
4085         * gcc.dg/graphite/block-0.c: Expected to fail now.
4086         * gcc.dg/graphite/block-1.c: Same.
4087         * gcc.dg/graphite/block-5.c: Same.
4088         * gcc.dg/graphite/block-6.c: Same.
4089
4090 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4091             Sebastian Pop  <sebastian.pop@amd.com>
4092
4093         * graphite.h: Separate from graphite_bb_p the polyhedral
4094         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4095         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4096         graphite-data-ref.h.
4097         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4098         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4099         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4100         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4101         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4102         scop_nb_params): Moved to graphite-poly.h.
4103         * graphite-data-ref.c: Same.
4104         * graphite-data-ref.h: New.
4105         * graphite.c: Same.
4106         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4107         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4108         is_interchange_valid, graphite_trans_bb_block,
4109         graphite_trans_loop_block, scop_max_loop_depth,
4110         graphite_trans_scop_block, graphite_apply_transformations,
4111         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4112         graphite-poly.c.
4113         * graphite-poly.h: New.
4114         * graphite-poly.c: New.
4115         * Makefile.in (OBJS-common): Add graphite-poly.o.
4116         (graphite-poly.o): New rule.
4117         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4118         (DR_SCOP): Removed.
4119
4120 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4121             Tobias Grosser  <grosser@fim.uni-passau.de>
4122
4123         * graphite.c: Replace gb -> gbb.
4124         * graphite.h: Same.
4125         * graphite-data-ref.c: Same.
4126
4127 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4128             Tobias Grosser  <grosser@fim.uni-passau.de>
4129
4130         * Makefile.in (OBJS-commmon): Add sese.o.
4131         (sese.o): New.
4132         (graphite.o): Add sese.h.
4133         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4134         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4135         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4136         Move to sese.
4137         (block_before_scop): Add missing return.
4138         (new_scop, free_scop): Remove SESE data structures.
4139         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4140         find_scop_parameters, build_loop_iteration_domains,
4141         add_conditions_to_domain, register_scop_liveout_renames,
4142         copy_bb_and_scalar_dependences): Scop -> SESE.
4143
4144         (add_conditions_to_domain): SCoP -> SESE and remove check
4145         (scop_contains_non_iv_scalar_phi_nodes): New.
4146         (build_scop_conditions_1, build_scop_conditions): Remove check for
4147         non iv scalar phi nodes.
4148         (print_scop_statistics): New.
4149         (graphite_transform_loops): Cleanup.
4150
4151         * graphite.h: Move to sese & cleanup.
4152         * sese.c: New.
4153         * sese.h: New.
4154
4155 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4156             Tobias Grosser  <grosser@fim.uni-passau.de>
4157
4158         * graphite.c (build_scop_conditions_1): Conditions are only
4159         at the end of a basic block.
4160
4161 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4162             Tobias Grosser  <grosser@fim.uni-passau>
4163
4164         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4165         field.
4166         (GBB_ALPHA): Removed.
4167
4168 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4169             Tobias Grosser  <grosser@fim.uni-passau.de>
4170
4171         * graphite-data-ref.c (graphite_test_dependence): Don't use
4172         GBB_DYNAMIC_SCHEDULE.
4173         * graphite.c (new_graphite_bb): Same.
4174         (free_graphite_bb): Same.
4175         (build_scop_dynamic_schedules): Removed.
4176         (graphite_transform_loops): Don't call it.
4177         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4178         (GBB_DYNAMIC_SCHEDULE): Removed.
4179
4180 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4181             Tobias Grosser  <grosser@fim.uni-passau.de>
4182
4183         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4184         (print_graphite_bb): Same.
4185         (build_cloog_prog): Same.
4186
4187 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4188             Tobias Grosser  <grosser@fim.uni-passau.de>
4189
4190         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4191
4192 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4193             Tobias Grosser  <grosser@fim.uni-passau.de>
4194
4195         * graphite.c (build_scop_context): Don't use CloogMatrix.
4196         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4197         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4198
4199 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4200             Tobias Grosser  <grosser@fim.uni-passau.de>
4201
4202         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4203         liveout_renames, add_params fields...
4204         (struct sese): ... here.
4205         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4206         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4207
4208 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4209             Tobias Grosser  <grosser@fim.uni-passau.de>
4210
4211         * graphite.c (print_scop): Do not print the CLooG program.
4212         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4213         build_cloog_prog, gloog): Don't use SCOP_PROG.
4214         (find_transform): Renamed scop_to_clast.
4215         (print_generated_program, debug_generated_program): New.
4216         (graphite_transform_loops): Adapt to new interface.
4217         * graphite.h (struct scop): Remove program field.
4218         (SCOP_PROG): Removed.
4219         (print_generated_program, debug_generated_program): Declared.
4220
4221 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4222
4223         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4224         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4225         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4226         free_graphite_bb, build_scop_canonical_schedules,
4227         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4228         schedules are now represented using a ppl_Linear_Expression_t.
4229         * graphite.h (struct graphite_bb): Same.
4230         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4231         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4232
4233 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         * graphite.c: Free local memory.
4236         * graphite-ppl.c: Same.
4237
4238 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4239
4240         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4241         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4242         swap_constraint_variables, scale_constraint_variable): Removed.
4243         (graphite_trans_bb_strip_mine): Remove pong.
4244         * graphite-ppl.c: Include missing header files.
4245         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4246         * graphite-ppl.h (ppl_strip_loop): Declared.
4247         * Makefile.in (graphite-ppl.o): Adjust dependences.
4248
4249 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4250
4251         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4252         (build_scop_iteration_domain): Same.
4253
4254 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4255
4256         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4257         ping pong.
4258         (add_value_to_dim, scan_tree_for_params_right_scev,
4259         scan_tree_for_params_int): New.
4260         * graphite-ppl.c (oppose_constraint): New.
4261         (insert_constraint_into_matrix): Implement missing cases.
4262         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4263
4264 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4265
4266         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4267         use ppl_move_dimension.
4268
4269 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4270
4271         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4272         * graphite.c: Same.
4273         * graphite.h: Same.
4274         * graphite-ppl.c: Same.
4275         * graphite-ppl.h: Same.
4276
4277 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4278
4279         Revert last 3 commits.
4280
4281 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4282
4283         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4284         ping pong.
4285         (add_value_to_dim, scan_tree_for_params_right_scev,
4286         scan_tree_for_params_int): New.
4287         * graphite-ppl.c (oppose_constraint): New.
4288         (insert_constraint_into_matrix): Implement missing cases.
4289         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4290
4291 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4292
4293         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4294
4295 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4296             Tobias Grosser  <grosser@fim.uni-passau.de>
4297
4298         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4299         use ppl_move_dimension.
4300         * graphite-ppl.c (ppl_move_dimension): New.
4301         * graphite-ppl.h (ppl_move_dimension): Declared.
4302
4303 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4304
4305         * graphite.c: Do not include cloog/cloog.h.
4306         (print_graphite_bb): Remove ping pong, call PPL print function.
4307
4308 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4309
4310         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4311         (graphite.o): Add dependence on graphite-ppl.h.
4312         (graphite-ppl.o): New.
4313         (graphite-data-ref.c): Ping pong between PPL data structures
4314         and matrices.
4315         * graphite-ppl.c: New.
4316         * graphite-ppl.h: New.
4317         * graphite.c: Include graphite-ppl.h.
4318         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4319         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4320         Ping pong between PPL data structures and matrices.
4321         (new_graphite_bb): Create a PPL constraint system.
4322         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4323         (build_loop_iteration_domains): Use PPL functions.
4324         * graphite.h: Include graphite-ppl.h.  Fix comments.
4325         (graphite_bb): Use a ppl_Constraint_System_t instead of
4326         CloogMatrix for representing the domain.
4327         (scop): Remove static_schedule.
4328         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4329
4330 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4331
4332         * graphite.c: Fix some comments.
4333
4334 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4335
4336         PR middle-end/38953
4337         * graphite.c (if_region_set_false_region): After moving a region
4338         in the false branch of a condition, remove the empty dummy
4339         basic block.
4340         (gloog): Remove wrong fix for PR38953.
4341
4342 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4343
4344         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4345         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4346         register_bb_in_sese, new_sese, free_sese): Moved.
4347         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4348         outermost_loop_in_scop, build_scop_iteration_domain,
4349         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4350         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4351         Use loop_in_sese_p instead of loop_in_scop_p.
4352         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4353         (free_scop): Do not free SCOP_BBS_B.
4354         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4355         ref_nb_loops): Moved here...
4356         * graphite.h (ref_nb_loops): ... from here.
4357         (struct scop): Remove bbs_b bitmap.
4358         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4359         * gcc.dg/graphite/scop-19.c: New
4360
4361 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4362
4363         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4364         detection.
4365
4366 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4367
4368         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4369         eq_loop_to_cloog_loop): Remove.
4370         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4371         * graphite.h (struct scop): Remove loop2cloog_loop.
4372         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4373
4374 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376         * opts.c (decode_options): Only add graphite options to O2
4377         if we compile with graphite enabled.
4378
4379 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4380
4381         * Merge from mainline (r143163:143684).
4382
4383 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4384
4385         * graphite.c (debug_value): Removed.
4386         * graphite.h (debug_value): Removed.
4387
4388 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4389
4390         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4391         after graphite: pass_copy_prop does not maintain a proper loop closed
4392         SSA form.  pass_copy_prop should be fixed.
4393
4394 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4395
4396         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4397
4398 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4399
4400         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4401         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4402         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4403         changed the CFG.
4404
4405 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4406
4407         * graphite.c (gloog): Return true when code gen succeeded.
4408         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4409         the code of the function did not changed.  After cleanup_tree_cfg
4410         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4411         form.
4412
4413 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4414
4415         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4416         gimple_call_lhs is NULL.
4417
4418 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4419             Tobias Grosser  <tobi.grosser@amd.com>
4420
4421         * graphite.c (graphite_trans_scop_block): Do not block single
4422         nested loops.
4423
4424 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4425             Tobias Grosser  <tobi.grosser@amd.com>
4426
4427         * graphite.c (build_scop_canonical_schedules): Start schedules at
4428         zero.
4429
4430 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4431             Tobias Grosser  <tobi.grosser@amd.com>
4432
4433         * graphite.c (compare_prefix_loops): New.
4434         (build_scop_canonical_schedules): Rewritten.
4435         (graphite_transform_loops): Move build_scop_canonical_schedules
4436         after build_scop_iteration_domain.
4437
4438 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4439             Tobias Grosser  <tobi.grosser@amd.com>
4440
4441         * graphite.c (add_conditions_to_domain): Add the loops to
4442         the dimension of the iteration domain.  Do copy the domain
4443         only when it exists.
4444         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4445         (add_conditions_to_constraints): New.
4446         (can_generate_code_stmt, can_generate_code): Removed.
4447         (gloog): Do not call can_generate_code.
4448         (graphite_transform_loops): Call add_conditions_to_constraints
4449         after building the iteration domain.
4450
4451 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4452             Tobias Grosser  <tobi.grosser@amd.com>
4453             Jan Sjodin  <jan.sjodin@amd.com>
4454
4455         * graphite.c (scan_tree_for_params): On substractions negate
4456         all the coefficients of the term.
4457         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4458         of more than two operands.
4459         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4460         (get_vdef_before_scop): Handle also the case of default definitions.
4461
4462 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4463
4464         PR middle-end/38431
4465         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4466         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4467         (gloog): Do not call cleanup_tree_cfg.
4468         (graphite_transform_loops): Call cleanup_tree_cfg after all
4469         scops have been code generated.
4470
4471 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4472
4473         * passes.c (init_optimization_passes): Schedule after
4474         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4475
4476 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4477
4478         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4479         Fix comment.
4480         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4481         Set the type of an expression to the type of its assign statement.
4482         (expand_scalar_variables_expr):  Do not pass loop_p.
4483         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4484         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4485         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4486
4487 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4490         an expression to the gimple_expr_type of its assign statement.
4491         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4492         or tcc_declaration.
4493
4494 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4495
4496         PR tree-optimization/38786
4497         * gcc.dg/graphite/pr38786.c: New.
4498         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4499         the SSA_NAME case of expand_scalar_variables_expr.
4500         (expand_scalar_variables_expr): Also gather the scalar computation
4501         used to index the memory access.
4502         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4503         the gimple_stmt_iterator where it inserts new code.
4504
4505 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4506
4507         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4508
4509 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4510
4511         * opts.c (decode_options): Enable flag_graphite_identity and
4512         flag_loop_block in -O2 and above.
4513
4514 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4515
4516         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4517         Fix merge problem: replace with the file from trunk.
4518
4519 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4520
4521         * Merge from mainline (r141727:143163).
4522
4523 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4524             Jan Sjodin  <jan.sjodin@amd.com>
4525
4526         PR tree-optimization/38559
4527         * gcc.dg/graphite/pr38559.c: New.
4528
4529         * graphite.c (debug_value, copy_constraint,
4530         swap_constraint_variables, scale_constraint_variable, ): New.
4531         (get_lower_bound, get_upper_bound): Removed.
4532         (graphite_trans_bb_strip_mine): Clean up this code that works
4533         only for constant number of iterations.  Fully copy upper and
4534         lower bound constraints, not only the constant part of them.
4535         * graphite.h (debug_value): Declared.
4536
4537 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4538
4539         PR tree-optimization/38492
4540         PR tree-optimization/38498
4541         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4542         * tree-chrec.h (scev_is_linear_expression): Declared.
4543         * graphite.c (graphite_cannot_represent_loop_niter): New.
4544         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4545         (graphite_loop_normal_form): Use gcc_assert.
4546         (scan_tree_for_params): Use CASE_CONVERT.
4547         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4548         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4549         Use gcc_assert.  Discard scops that contain unhandled cases.
4550         (build_scop_conditions): Return a boolean status for unhandled cases.
4551         (strip_mine_profitable_p): Print the loop number, not its depth.
4552         (is_interchange_valid): Pass the depth of the loop nest, don't
4553         recompute it wrongly.
4554         (graphite_trans_bb_block): Same.
4555         (graphite_trans_bb_block): Print tentative of loop blocking.
4556         (graphite_trans_scop_block): Do not print that the loop has been
4557         blocked.
4558         (graphite_transform_loops): Do not handle scops that contain condition
4559         scalar phi nodes.
4560
4561         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4562         in trunk.
4563         * gcc.dg/graphite/block-0.c: Update test.
4564         * gcc.dg/graphite/block-1.c: Same.
4565         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4566         blocking.
4567         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4568         * gcc.dg/graphite/block-3.c: New.
4569         * gcc.dg/graphite/pr38498.c: New.
4570
4571 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4572
4573         PR tree-optimization/38510
4574         * gcc.dg/graphite/pr38510.c: New.
4575         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4576           (translate_clast): Call recompute_all_dominators before
4577           graphite_verify.
4578           (gloog): Call recompute_all_dominators before graphite_verify.
4579
4580 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4581
4582         PR tree-optimization/38492
4583         * graphite.c (rename_map_elt, debug_rename_elt,
4584         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4585         rename_map_elt_info, eq_rename_map_elts,
4586         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4587         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4588         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4589         (sese_build_livein_liveouts): New.
4590         (new_sese, free_sese): New.
4591         (new_scop): Call new_sese.
4592         (free_scop): Call free_sese.
4593         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4594         (register_old_new_names): Renamed register_old_and_new_names.
4595         (register_scop_liveout_renames, add_loop_exit_phis,
4596         insert_loop_close_phis, struct igp,
4597         default_liveout_before_guard, add_guard_exit_phis,
4598         insert_guard_phis, copy_renames): New.
4599         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4600         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4601         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4602         (scop_adjust_phis_for_liveouts): New.
4603         (gloog): Call scop_adjust_phis_for_liveouts.
4604
4605         * graphite.h (struct sese): Documented.  Added fields liveout,
4606         num_ver and livein.
4607         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4608         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4609         (struct scop): Added field liveout_renames.
4610         (SCOP_LIVEOUT_RENAMES): New.
4611
4612 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         PR tree-optimization/38409
4615         * gcc.dg/graphite/pr38409.c: New.
4616         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4617
4618 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * graphite.c (gcc_type_for_cloog_iv): By default return
4621         integer_type_node.
4622         (graphite_create_new_loop): Don't fold_convert the already
4623         fold_convert-ed expression.
4624
4625 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4626
4627         PR tree-optimization/38446
4628         * gcc.dg/graphite/pr38446.c: New.
4629         * graphite.c (register_bb_in_sese): New.
4630         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4631         looking at the bbs in the region.
4632         * graphite.h (sese): Add region_basic_blocks pointer set to
4633         structure and initialize at the time of defining new scop.
4634
4635 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4636
4637         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4638         (find_params_in_bb): Do not free data refs.
4639         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4640
4641 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4642
4643         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4644         * gcc.dg/graphite/scop-17.c: Same.
4645         * gcc.dg/graphite/block-5.c: New.
4646         * gcc.dg/graphite/block-6.c: New.
4647         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4648         * gcc.dg/graphite/pr37684.c: Same.
4649         * gcc.dg/graphite/block-2.c: Same.
4650
4651         * graphite.c (struct ivtype_map_elt): New.
4652         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4653         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4654         gcc_type_for_cloog_iv): New.
4655         (loop_iv_stack_patch_for_consts): Use the type of the induction
4656         variable from the original loop, except for the automatically
4657         generated loops, i.e., in the case of a strip-mined loop, in
4658         which case there is no original loop: in that case just use
4659         integer_type_node.
4660         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4661         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4662         (clast_name_to_gcc): Accept params to be NULL.
4663         (clast_to_gcc_expression): Take an extra parameter for the type.
4664         Convert to that type all the expressions built by this function.
4665         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4666         (graphite_translate_clast_equation): Compute the type of the
4667         clast_equation before translating its LHS and RHS.
4668         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4669         (graphite_create_new_loop): Compute the type of the induction
4670         variable before translating the lower and upper bounds and before
4671         creating the induction variable.
4672         (rename_variables_from_edge, rename_phis_end_scop): New.
4673         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4674         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4675         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4676         compute_cloog_iv_types): New.
4677         (gloog): Call compute_cloog_iv_types before starting the
4678         translation of the clast.
4679
4680         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4681         (GBB_CLOOG_IV_TYPES): New.
4682         (debug_ivtype_map): Declared.
4683         (oldiv_for_loop): New.
4684
4685 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4686
4687         PR middle-end/38459
4688         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4689         (param_index): Assert if parameter is not know after parameter
4690         detection.
4691         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4692         (find_scop_parameters): Mark, that we have finished parameter
4693         detection.
4694         (graphite_transform_loops): Move condition detection before parameter
4695         detection.
4696         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4697         * gfortran.dg/graphite/pr38459.f90: New.
4698
4699 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4700
4701         * graphite.c (graphite_transform_loops): Always call find_transform ()
4702         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4703         generate code.
4704
4705 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4706
4707         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4708         (print_scop): Ditto.
4709
4710 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4711
4712         PR middle-end/38084
4713         Fix gfortran.dg/graphite/id-3.f90.
4714         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4715         regions more than once.
4716
4717 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4718
4719         Fix gfortran.dg/graphite/id-4.f90.
4720         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4721         when not needed.
4722
4723 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4724
4725         Fix gfortran.dg/graphite/id-1.f90.
4726         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4727         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4728         (max_precision_type): New.
4729         (value_clast): Removed.
4730         (clast_to_gcc_expression): Be more careful to types of expressions.
4731         Use max_precision_type and update use of gmp_cst_to_tree.
4732         (graphite_translate_clast_equation): Use max_precision_type.
4733         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4734         use the type of the condition.
4735         (graphite_create_new_loop): Do not use integer_type_node, use the
4736         max_precision_type of lb and ub.
4737
4738 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4739
4740         * graphite.c (build_scops_1): Initialize open_scop.exit
4741         and sinfo.last.
4742
4743 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4744
4745         * gcc.dg/graphite/pr38084.c: New.
4746         * gfortran.dg/graphite/id-1.f90: New.
4747         * gfortran.dg/graphite/id-2.f90: New.
4748         * gfortran.dg/graphite/id-3.f90: New.
4749         * gfortran.dg/graphite/id-4.f90: New.
4750         * gfortran.dg/graphite/pr37857.f90: New.
4751
4752 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4753             Jan Sjodin  <jan.sjodin@amd.com>
4754             Harsha Jagasia  <harsha.jagasia@amd.com>
4755
4756         PR middle-end/37852
4757         PR middle-end/37883
4758         PR middle-end/37928
4759         PR middle-end/37980
4760         PR middle-end/38038
4761         PR middle-end/38039
4762         PR middle-end/38073
4763         PR middle-end/38083
4764         PR middle-end/38125
4765
4766         * gcc.dg/graphite/pr38073.c: New.
4767         * gcc.dg/graphite/pr37928.c: New.
4768         * gcc.dg/graphite/pr37883.c: New.
4769         * gcc.dg/graphite/pr38125.c: New.
4770         * gfortran.dg/graphite/pr38083.f90: New.
4771         * gfortran.dg/graphite/pr37852.f90: New.
4772         * gfortran.dg/graphite/pr37980.f90: New.
4773
4774         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4775         the number of detected scops.  Copy exact same test for loop
4776         blocking...
4777         * gcc.dg/graphite/block-1.c: Fix the number of expected
4778         loops to be blocked as reductions are not handled.
4779         * gcc.dg/graphite/block-4.c: ...here.  New.
4780
4781         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4782         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4783         ...here.
4784         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4785         * Makefile.in (graphite.o): Depend on value-prof.h.
4786         (graphite.o-warn): Removed -Wno-error.
4787         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4788         to be a NULL pointer.  Call update_stmt.  Return the newly created
4789         cannonical induction variable.
4790
4791         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4792
4793         * graphite.c: Reimplement the code generation from graphite to gimple.
4794         Include value-prof.h.
4795         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4796         (get_old_iv_from_ssa_name): Removed.
4797         (graphite_stmt_p): New.
4798         (new_graphite_bb): Test for useful statements before building a
4799         graphite statement for the basic block.
4800         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4801         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4802         reason.
4803         (recompute_all_dominators, graphite_verify,
4804         nb_reductions_in_loop, graphite_loop_normal_form): New.
4805         (scop_record_loop): Call graphite_loop_normal_form.
4806         (build_scop_loop_nests): Iterate over all the blocks of the
4807         function instead of relying on the incomplete information from
4808         SCOP_BBS.  Return the success of the operation.
4809         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4810         (add_bb_domains): Removed.
4811         (build_loop_iteration_domains): Don't call add_bb_domains.
4812         Add the iteration domain only to the basic blocks that have been
4813         translated to graphite.
4814         (build_scop_conditions_1): Add constraints only if the basic
4815         block have been translated to graphite.
4816         (build_scop_data_accesses): Completely disabled until data
4817         dependence is correctly implemented.
4818         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4819         (remove_all_edges_1, remove_all_edges): Removed.
4820         (get_new_name_from_old_name): New.
4821         (graphite_rename_variables_in_stmt): Renamed
4822         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4823         Use replace_exp and update_stmt.
4824         (is_old_iv): Renamed is_iv.
4825         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4826         Use replace_exp and update_stmt.
4827         (expand_scalar_variables_expr): Same.  Use the map to get the
4828         new names for the renaming of induction variables and for the
4829         renaming of variables after a basic block has been copied.
4830         (expand_scalar_variables): Same.
4831         (graphite_rename_variables): Renamed rename_variables.
4832         (move_phi_nodes): Removed.
4833         (get_false_edge_from_guard_bb): New.
4834         (build_iv_mapping): Do not insert the induction variable of a
4835         loop in the renaming iv map if the basic block does not belong
4836         to that loop.
4837         (register_old_new_names, graphite_copy_stmts_from_block,
4838         copy_bb_and_scalar_dependences): New.
4839         (translate_clast): Heavily reimplemented: copy basic blocks,
4840         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4841         At each translation step call graphite_verify ensuring the
4842         consistency of the SSA, loops and dominators information.
4843         (collect_virtual_phis, find_vdef_for_var_in_bb,
4844         find_vdef_for_var_1, find_vdef_for_var,
4845         patch_phis_for_virtual_defs): Removed huge hack.
4846         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4847         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4848         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4849         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4850         if_region_get_condition_block, if_region_set_false_region,
4851         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4852         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4853         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4854         rewrite_into_sese_closed_ssa): New.
4855         (gloog): Remove dead code.  Early return if code cannot be
4856         generated.  Call cleanup_tree_cfg once the scop has been code
4857         generated.
4858         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4859         block loops with less than two loops.
4860         (graphite_apply_transformations): Remove the call to
4861         scop_remove_ignoreable_gbbs.
4862         (limit_scops): When build_scop_loop_nests fails, continue on
4863         the next scop.  Fix open_scop.entry.
4864         (graphite_transform_loops): Call recompute_all_dominators: force the
4865         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4866         Call initialize_original_copy_tables and free_original_copy_tables
4867         to be able to copy basic blocks during code generation.
4868         When build_scop_loop_nests fails, continue on next scop.
4869         (value_clast): New union.
4870         (clast_to_gcc_expression): Fix type cast warning.
4871
4872 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4873
4874         * Merge from mainline (r140838:141727).
4875
4876 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4877
4878         PR middle-end/37833
4879
4880         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4881
4882 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4883
4884         PR middle-end/37943
4885
4886         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4887         exits and conditions.
4888         * gcc.dg/graphite/pr37943.c: New.
4889
4890 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4891
4892         PR middle-end/37886
4893         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4894
4895 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4896
4897         * doc/invoke.texi: Fix spaces.
4898
4899 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4900
4901         PR tree-optimization/37891
4902         Reverted last commit.
4903         * graphite.c (create_single_entry_edge): Set
4904         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4905
4906 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4907             Mitul Thakkar  <mitul.thakkar@amd.com>
4908
4909         * graphite.c (create_single_entry_edge): Set
4910         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4911
4912 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4913
4914         * doc/invoke.texi: Add -fgraphite-identity.
4915         * graphite.c (graphite_apply_transformations): Check for
4916         -fgraphite-identity.
4917         * toplev.c (process_options): Add flag_graphite_identity.
4918         * tree-ssa-loop.c: Add flag_graphite_identity.
4919
4920 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4921
4922         Undo changes from 2008-10-02:
4923         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4924         operand type when copying the operand to a variable of different type.
4925         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4926         with the IV name after increment.
4927
4928 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4929             Harsha Jagasia  <harsha.jagasia@amd.com>
4930
4931         PR tree-optimization/37828
4932         * gcc.dg/graphite/pr37828.c: New.
4933         * graphite.c (graphite_trans_loop_block): Do not loop block
4934         single nested loops.
4935
4936 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4937             Sebastian Pop  <sebastian.pop@amd.com>
4938
4939         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4940         rename_map_elt_info, eq_rename_map_elts): New.
4941         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4942         (expand_scalar_variables_expr): Change parameters.
4943         (expand_scalar_variables_stmt): Same.
4944         (expand_scalar_variables): Same.
4945         (graphite_rename_ivs): Rename graphite_rename_variables.
4946         (build_iv_mapping): New.
4947         (translate_clast): Call build_iv_mapping.
4948         * graphite.h (gbb_p): New name.
4949
4950 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4951
4952         PR tree-optimization/37684
4953         * gcc.dg/graphite/pr37684.c: New.
4954         * graphite.c (exclude_component_ref): New.
4955         (is_simple_operand): Call exclude_component_ref.
4956
4957 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4958             Harsha Jagasia  <harsha.jagasia@amd.com>
4959
4960         PR tree-optimization/37485
4961         * gcc.dg/graphite/block-2.c: New
4962         * graphite.c (gmp_cst_to_tree): Moved.
4963         (iv_stack_entry_is_constant): New.
4964         (iv_stack_entry_is_iv): New.
4965         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4966         (loop_iv_stack_insert_constant): New.
4967         (loop_iv_stack_pop): Use new datatpype.
4968         (loop_iv_stack_get_iv): Same.
4969         (loop_iv_stack_get_iv_from_name): Same.
4970         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4971         (loop_iv_stack_patch_for_consts): New.
4972         (loop_iv_stack_remove_constants): New.
4973         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4974         (translate_clast): Call loop_iv_stack_patch_for_consts and
4975         loop_iv_stack_remove_constants.
4976         (gloog): Use new datatype.  Redirect construction edge to end
4977         block to avoid accidental deletion.
4978         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4979         iv stack entry.
4980         (union iv_stack_entry_data): New.  Data in iv stack entry.
4981         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4982
4983 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4984
4985         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4986         operand type when copying the operand to a variable of different type.
4987
4988 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4989
4990         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4991         with the IV name after increment.
4992
4993 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4994
4995         * Merge from mainline (r140164:140838).
4996
4997 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4998
4999         * graphite-data-ref.c: New.
5000         * graphite.c (print_scop): Also dump the dependence graph.
5001         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5002         (new_scop): Initialize SCOP_DEP_GRAPH.
5003         (build_scop_dynamic_schedules): New.
5004         (build_access_matrix_with_af): Fixed column numbering.
5005         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5006         * graphite.h: Add ifndef/define guards against multiple inclusion.
5007         (struct scop): Add dep_graph field.
5008         (SCOP_DEP_GRAPH): Defined.
5009         (ref_nb_loops): Fixed and moved to other position.
5010         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5011         (nb_loops_around_loop_in_scop): New.
5012         (graphite_dump_dependence_graph): Declared.
5013         (graphite_build_rdg_all_levels): Declared.
5014         (graphite_test_dependence): Declared.
5015         * Makefile.in (graphite-data-ref.o): New target.
5016
5017 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5018
5019         * Merge from mainline (139870:140164).
5020
5021 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5022
5023         * Merge from mainline (138275:139870).
5024         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5025         the commits from trunk broke the niter detection.
5026
5027 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5028
5029         * graphite.c: Add more documentation.  Fix formatting.
5030         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5031         loop_iv_stack_debug): Moved...
5032         (schedule_to_scattering): Move before use.
5033         (dot_all_scops): Include in "#if 0" the code for system
5034         call dotty.
5035
5036         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5037         loop_iv_stack_debug): ...here.
5038
5039 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5040
5041         * tree-phinodes.c (make_phi_node): Extern.
5042         (add_phi_node_to_bb): New.
5043         (create_phi_node): Call add_phi_node_to_bb.
5044         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5045         (remove_statement): Handle case where stored phi was updated
5046         and is no longer the same.
5047         * graphite.c (is_parameter): New.
5048         (is_old_iv): New.
5049         (expand_scalar_variables_expr): New.
5050         (expand_scalar_variables_stmt): New.
5051         (expand_scalar_variables): New.
5052         (move_phi_nodes): Create new phi instead of moving old one.
5053         (translate_clast): Call expand_scalar_variables.
5054         (find_vdef_for_var_in_bb): Also scan regular definitions.
5055         (skip_phi_defs): New.
5056         (collect_scop_exit_phi_args): New.
5057         (patch_scop_exit_phi_args): New.
5058         (gloog): Patch phis after scop.
5059         * tree-flow.h: (add_phi_node_to_bb): Declared.
5060         (make_phi_node): Declared.
5061
5062 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5063
5064         * graphite.c (end_scop): Split the entry of the scop when it
5065         is the header of the loop in which the scop is ending.
5066         (build_scops_1, limit_scops): Update uses of end_scop.
5067
5068 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5069
5070         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5071         SCOP_ENTRY or SCOP_EXIT.
5072
5073 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5074
5075         * graphite.c (get_construction_edge): Removed.
5076         (gloog): Construction edge is the scop entry edge.
5077
5078 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5079
5080         * graphite.c (can_generate_for_scop): Removed.
5081         (gloog): Do not call it.
5082
5083 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5084
5085         * graphite.c (new_scop): Entry of a scop is an edge.
5086         Initialize SESE region.
5087         (free_scop): Free SESE region.
5088         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5089         (split_difficult_bb): New, split from end_scop.
5090         (end_scop): Exit of a scop is an edge.
5091         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5092         not automatically updated and thus is always wrong.
5093         * graphite.h (struct sese): New.
5094         (SESE_ENTRY): New.
5095         (SESE_EXIT): New.
5096         (struct scop): New field for a SESE region.  Remove entry, exit.
5097         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5098         semantics as before.  Moved comment around.
5099
5100 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5101             Sebastian Pop  <sebastian.pop@amd.com>
5102
5103         * graphite.c (graphite_transform_loops): Always enable gloog
5104         and find_transform when ENABLE_CHECKING.
5105
5106 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5107
5108         * graphite.c (graphite_transform_loops): Move pretty printer
5109         of SCOPs before doing any transform.  Remove call to print_scops
5110         and dot_all_scops_1.
5111
5112 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5113
5114         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5115         (print_graphite_bb): Same.
5116
5117 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5118
5119         * graphite.c (dot_all_scops_1): Cleanup.
5120         (move_scops): Fix comment.
5121
5122 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5123
5124         * graphite.c (build_scop_bbs): Revert commit 139355:
5125
5126         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5127                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5128
5129                 * graphite.c (build_scop_bbs): Factor up code.
5130
5131 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5132
5133         * graphite.c (gloog): Update dominator info.
5134
5135 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5136
5137         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5138
5139 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5140
5141         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5142         initialization.
5143         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5144         (translate_clast): Correct formatting.
5145         * graphite.h (struct num_map): Removed.
5146         (struct graphite_bb): Remove num_map field.
5147         (GBB_INDEX_TO_NUM_MAP): Removed.
5148
5149 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5150
5151         * graphite.c (build_access_matrix_with_af): Fix comments.
5152         (build_scop_data_accesses): Same.
5153
5154 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5155
5156         * graphite.c (build_scop_data_accesses): Don't construct
5157         access matrices.  Add a FIXME and an assert condition that
5158         should pass when the access matrices will be needed.
5159
5160 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5161
5162         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5163         really_constant_p.
5164         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5165         Moved close by free_graphite_bb.
5166         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5167         (new_scop): Move close by free_scop.
5168         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5169
5170 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5171
5172         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5173         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5174         instead of recursive call.
5175         (graphite_translate_clast_equation): New.
5176         (graphite_create_guard_cond_expr): New.
5177         (graphite_create_new_guard): New.
5178         (get_stack_index_from_iv): Removed.
5179         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5180         (get_true_edge_from_guard_bb): New.
5181         (translate_clast): Handle stmt_guard in clast.
5182         (get_construction_edge): Allow construction edge detection for
5183         a scope entry with multiple predecessors if one predecessor is
5184         the immediate dominator of scope entry.
5185         (can_generate_code_stmt): Enable code generation for clast_guard.
5186         (gloog): Use correct context loop.  Removed check for post dominators.
5187         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5188
5189 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         * graphite.c (remove_dead_loops): Document better which
5192         loops are removed.
5193
5194 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5195
5196         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5197         and PPLINC.
5198         (graphite.o): Also depends on pointer-set.h.
5199
5200 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5201
5202         * graphite.c (scop_record_loop): Fix compile warning.
5203
5204 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5205             Sebastian Pop  <sebastian.pop@amd.com>
5206
5207         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5208
5209 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * graphite.c (build_graphite_bb): Initialize bb->aux to
5212         point to the graphite_bb_p.
5213         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5214         content of bb->aux.
5215         (add_bb_domains): Does not use the scop parameter.
5216         (graphite_transform_loops): Clean bb->aux at the end.
5217
5218 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5219             Sebastian Pop  <sebastian.pop@amd.com>
5220
5221         * lib/target-supports.exp
5222         (check_effective_target_fgraphite): New.
5223
5224         * gcc.dg/graphite/graphite.exp: Early exit when
5225         check_effective_target_fgraphite returns false.
5226         Set dg-do-what-default to compile.
5227         (scan-graphite-dump-times): Removed.
5228         * gfortran.dg/graphite/graphite.exp: Same.
5229
5230         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5231         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5232         * gcc.dg/graphite/scop-1.c: Same.
5233         * gcc.dg/graphite/scop-2.c: Same.
5234         * gcc.dg/graphite/scop-3.c: Same.
5235         * gcc.dg/graphite/scop-4.c: Same.
5236         * gcc.dg/graphite/scop-5.c: Same.
5237         * gcc.dg/graphite/scop-6.c: Same.
5238         * gcc.dg/graphite/scop-7.c: Same.
5239         * gcc.dg/graphite/scop-8.c: Same.
5240         * gcc.dg/graphite/scop-9.c: Same.
5241         * gcc.dg/graphite/scop-10.c: Same.
5242         * gcc.dg/graphite/scop-11.c: Same.
5243         * gcc.dg/graphite/scop-12.c: Same.
5244         * gcc.dg/graphite/scop-13.c: Same.
5245         * gcc.dg/graphite/scop-matmult.c: Same.
5246         * gcc.dg/graphite/scop-14.c: Same.
5247         * gcc.dg/graphite/scop-15.c: Same.
5248         * gcc.dg/graphite/block-0.c: Same.
5249         * gcc.dg/graphite/scop-16.c: Same.
5250         * gcc.dg/graphite/block-1.c: Same.
5251         * gcc.dg/graphite/scop-17.c: Same.
5252         * gcc.dg/graphite/scop-18.c: Same.
5253         * gfortran.dg/graphite/block-1.f90: Same.
5254         * gfortran.dg/graphite/scop-1.f: Same.
5255         * gfortran.dg/graphite/block-2.f: Same.
5256
5257 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5258
5259         * graphite.c: Fix some XXX comments.
5260         (build_scop_dynamic_schedules): Removed.
5261
5262 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5263
5264         * graphite.h (scop_max_loop_depth): Moved...
5265         * graphite.c (scop_max_loop_depth): ...here.
5266         (remove_all_edges_1): New.
5267         (remove_all_edges): Factored code.
5268         (remove_cond_exprs): Check only the last statement for
5269         a GIMPLE_COND expression.
5270
5271 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5272
5273         * graphite.c (scan_tree_for_params): Early return when the
5274         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5275         (find_scop_parameters): Factor out code.
5276         (graphite_trans_bb_strip_mine): Remove dead code.
5277
5278 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5279
5280         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5281         graphite_trans_bb_move_loop): Factor asserts.
5282         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5283         Do not call calculate_dominance_info and estimate_bb_frequencies.
5284
5285 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5286
5287         * graphite.c (create_loops_mapping, free_loops_mapping,
5288         create_loops_mapping_num, debug_loop_mapping_1,
5289         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5290         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5291         graphite_loops_mapping_add_child_num,
5292         graphite_loops_mapping_insert_child,
5293         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5294         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5295         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5296         create_num_from_index, get_num_from_index,
5297         swap_loop_mapped_depth): Removed.
5298         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5299         (free_scop): Do not call free_loops_mapping.
5300         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5301         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5302         get_loop_mapped_depth.
5303         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5304         (graphite_trans_bb_strip_mine): Same.
5305         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5306         (struct scop): Remove field loops_mapping.
5307
5308 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5309             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5310
5311         * graphite.c (scop_record_loop): Factor out one level of the
5312         condition by early return.
5313         (build_scop_loop_nests): Format following FSF coding style.
5314         (build_scop_dynamic_schedules): Factor out code.
5315         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5316
5317 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5318             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5319
5320         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5321         assignments that are not handled as simple operands for now.
5322
5323 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5324             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5325
5326         * graphite.c (build_scop_bbs): Factor up code.
5327
5328 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5329             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5330
5331         * graphite.c (stmt_simple_for_scop_p): Factor code out
5332         of the loop.
5333         (enum gbb_type): New.  Group all the GBB_* types under it.
5334         (is_loop_exit): Moved...
5335         (end_scop): Enable BB spliting.
5336         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5337         * cfgloop.h (is_loop_exit): Declared.
5338
5339 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5340
5341         * doc/invoke.texi: Remove strides from examples containing
5342         DO loops when the strides are equal to 1.
5343
5344 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5345             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5346
5347         * graphite.c (graphite_trans_scop_block): Or the result with
5348         the result from graphite_trans_loop_block.
5349         * gcc.dg/graphite/block-1.c: New.
5350         * gfortran.dg/graphite/block-1.f90: New.
5351         * gfortran.dg/graphite/block-2.f: New.
5352
5353 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5354
5355         * graphite.c (graphite_transform_loops): Call cloog_initialize
5356         and cloog_finalize.
5357
5358 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5359
5360         * tree-data-ref.c) (stmt_simple_memref_p): New.
5361         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5362         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5363         (is_simple_operand): Call stmt_simple_memref_p.
5364
5365         * gcc.dg/graphite/scop-matmult.c: Updated for not
5366         using pointer arithmetic, as this is optimized by PRE and
5367         makes the code too difficult to analyze.
5368
5369         * gcc.dg/graphite/scop-18.c: Same.
5370
5371 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5372
5373         * gdbinit.in (pgg): New.
5374
5375 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5376
5377         * graphite.c (graphite_trans_loop_block): Fix warning.
5378
5379 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5380
5381         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5382
5383 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5384
5385         * graphite.c (graphite_trans_bb_block): Remove check for
5386         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5387         Check if loop blocking is profitable for every loop, before applying
5388         the changes.
5389         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5390         if flag_loop_block is set.
5391
5392 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5393
5394         * graphite.c: Add some more documentation for the loop
5395         mapping.
5396
5397 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5398
5399         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5400         * graphite.c: Format on less than 80 columns.
5401         * graphite.h: Same.
5402
5403 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5404
5405         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5406
5407 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5408
5409         * doc/invoke.texi (floop-block, floop-strip-mine,
5410         floop-interchange): Update documentation with examples.
5411
5412 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5413
5414         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5415         add_referenced_var.
5416         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5417
5418 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5419
5420         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5421         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5422         * tree-scalar-evolution.c: Revert useless changes.
5423         * tree-phinodes.c: Same.
5424         * cfghooks.c: Same.
5425         * vec.h: Same.
5426         * tree-vectorizer.h: Same.
5427         * tree-flow.h: Same.
5428         * tree-cfg.c: Same.
5429         * common.opt (fgraphite): Update documentation.
5430
5431 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5432
5433         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5434         -floop-interchange): Add more text for explaining what each of these
5435         flags is doing.
5436         * tree-into-ssa.c (gimple_vec): Moved to...
5437         * graphite.c: Include gimple.h.
5438         (gimple_vec): Moved to...
5439         (del_loop_to_cloog_loop): Removed.
5440         (loop_affine_expr): Do not call create_data_ref when the
5441         operand is a constant.
5442         (new_scop): Use free instead of del_loop_to_cloog_loop.
5443         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5444         * gimple.h (gimple_vec): ... here.
5445
5446 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5447
5448         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5449         latch executions.
5450         (build_loop_iteration_domains): Fail, if latch executions unknown.
5451
5452 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5453
5454         * graphite.c (add_conditions_to_domain): New.
5455         (build_scop_conditions_1): Call add_conditions_to_domain.
5456         (set_cloog_options): Allow to disable optimizations.
5457
5458 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5459
5460         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5461         Do not use walk_dominator_tree.
5462         (find_scop_parameters): Do not use walk_dominator_tree.
5463
5464 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5465
5466         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5467         (idx_record_params): Adapt.
5468         * graphite.h (scop_gimple_loop_depth): New.
5469
5470 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5471
5472         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5473         (scan_tree_for_params): Remove value_init.
5474         (build_scop_context): Remove value_init.
5475         (build_loop_iteration_domains): Remove value_init.
5476         (schedule_to_scattering): Remove value_init.
5477         (graphite_trans_bb_strip_mine): Remove value_init.
5478
5479 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5480
5481         * gcc/graphite.c (limit_scops): New.
5482         (graphite_transform_loops): Add limit SCoPs.
5483         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5484         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5485         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5486         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5487         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5488         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5489         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5490         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5491         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5492         Change loop numbers.
5493         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5494         Change loop numbers.
5495         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5496         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5497         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5498         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5499         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5500         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5501         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5502         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5503         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5504         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5505
5506 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5507
5508         * graphite.c (graphite_transform_loops): Call always find_transform.
5509
5510 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5511
5512         * graphite.c (free_loops_mapping): New.
5513         (stmt_simple_for_scop_p): Fix typo.
5514         (stmt_simple_for_scop_p): Fix tuples functions, that
5515         broke polyhedron.
5516         (free_graphite_bb): Fix some memleaks.
5517         (free_scop): Fix some memleaks.
5518         (scopdet_bb_info): Do not forget some tmp SCoPs.
5519         (find_params_in_bb): Fix some memleaks.
5520         (clast_to_gcc_expression): Fix warning.
5521
5522 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5525         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5526
5527 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5528
5529         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5530         Move code ifdef-ed HAVE_cloog...
5531         * graphite.c: Include toplev.h.
5532         ... here.
5533         * Makefile.in (OBJS-common): Always build graphite.o.
5534         (BACKEND): Remove @GRAPHITE@.
5535         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5536         (graphite.o): Depend on TOPLEV_H.
5537
5538 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5539
5540         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5541         Remove typo left from polylib to ppl conversion.
5542         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5543
5544 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5545
5546         * toplev.c (process_options): Move the graphite loop optimization
5547         flags...
5548         * tree-ssa-loop.c (graphite_transforms): ... here.
5549         When not configured with CLooG, print to dump_file that
5550         Graphite transforms were not performed.
5551         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5552         New.
5553         * gcc.dg/graphite/*.c: Updated all testcases to use
5554         scan-graphite-dump-times.
5555
5556 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5557
5558         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5559         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5560
5561 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5562             Jan Sjodin  <jan.sjodin@amd.com>
5563
5564         * configure: Regenerated.
5565         * omp-low.c (expand_omp_sections): Remove now unused code.
5566         * config.in (HAVE_polylib): Removed.
5567         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5568         (PPLLIBS, PPLINC): Added.
5569         * graphite.c: Replace unsigned with int wherever possible.
5570         Don't access Cloog's data structures, but use accessor functions.
5571         Clast's stmt->type is now implemented as a vtable: change the
5572         switches of stmt->type into ifs.
5573         (polylib/polylibgmp.h): Don't include.
5574         (initialize_dependence_polyhedron,
5575         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5576         statement_precedes_p, test_dependence, build_rdg_all_levels,
5577         dump_dependence_graph): Removed until this code is cleaned up
5578         or ported to Cloog.
5579         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5580         (POLYLIBINC): Renamed PPLINC.
5581
5582 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5583             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5584             Jan Sjodin  <jan.sjodin@amd.com>
5585
5586         Finish the merge and tuplification of graphite.
5587
5588 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5589             Jan Sjodin  <jan.sjodin@amd.com>
5590
5591         Partial merge from mainline (138072:138275).
5592         * graphite.c still has to be tuplified.
5593
5594 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5595
5596         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5597         (create_num_from_index): New.
5598         (get_num_from_index): Also pass in the graphite BB.
5599         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5600         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5601         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5602         (is_interchange_valid): Return false when failing.
5603         * graphite.h (struct num_map): New.
5604         (struct graphite_bb): New field num_map.
5605         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5606
5607 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5608
5609         * graphite.c (dump_gbb_conditions): Print also conditions like
5610         "if (a)".  Remove dublicated code and use print_generic_expr ().
5611         (stmt_simple_for_scop_p): Only allow conditions we can handle
5612         {<, <=, >, >=}.
5613
5614 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5615
5616         * graphite.h (struct scop): Removed new_ivs field.
5617         (SCOP_NEWIVS): Deleted.
5618         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5619         clast_to_gcc_expression, graphite_create_new_loop):
5620         Removed use of new_ivs.
5621
5622 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5623
5624         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5625         create_loops_mapping_num, debug_loop_mapping_1): New.
5626         (debug_loop_mapping): Call debug_loop_mapping_1.
5627         (get_loop_mapping_for_num,
5628         graphite_loops_mapping_add_child,
5629         graphite_loops_mapping_add_child_num,
5630         graphite_loops_mapping_insert_child,
5631         graphite_loops_mapping_parent,
5632         split_loop_mapped_depth_for_num,
5633         loop_mapped_depth_split_loop): New.
5634         (increment_loop_mapped_depths): Removed.
5635         (swap_loop_mapped_depth_for_num): Reimplemented.
5636         (new_scop): Call create_loops_mapping.
5637         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5638         (translate_clast): Pass the old loop father in parameter, and pass
5639         it to get_old_iv_from_ssa_name.
5640         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5641         can_generate_code, can_generate_for_scop): New.
5642         (graphite_trans_bb_block): Returns false when it fails to transform.
5643         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5644
5645 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5646
5647         Reverted all the changes related to the streamization and
5648         loop fusion.
5649         These changes are now tracked in the streamization branch.
5650
5651 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5652             Jan Sjodin  <jan.sjodin@amd.com>
5653
5654         * graphite.c (gbb_compare): Correctly constify.
5655         (gbb_can_be_ignored): Indent.
5656         (graphite_trans_scop_swap_1and2): Add legality check.
5657         Remove dead FIXMEs.
5658
5659 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5660
5661         Remove fallouts from "Reverted the Condate changes".
5662         * tree.h: Remove unused decl.
5663         * gcc.dg/tree-checker: Same.
5664         * timevar.def: Remove counter.
5665
5666 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5667
5668         * Merge from mainline (135673:138072).
5669
5670         Reverted the MIRO changes (from 2008-04-05) that are now
5671         tracked in the miro branch.
5672         * tree-bounds.c: Removed.
5673         * tree-bounds.h: Removed.
5674
5675         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5676         are now tracked in the condate branch.
5677         * tree-check.c: Removed.
5678         * tree-match.c: Removed.
5679         * condate.y: Removed.
5680
5681 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5682
5683         * common.opt: New user flag -floop-block, -floop-strip-mine
5684         and -floop-interchange.
5685         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5686         graphite loop optimization flags is turned on.
5687         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5688         flag_loop_strip_mine and flag_loop_interchange checks before
5689         optimizations.
5690         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5691         -floop-strip-mine and -floop-interchange.
5692         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5693         -fgraphite.
5694         * gcc.dg/graphite/scop-16.c: Ditto.
5695         * gcc.dg/graphite/scop-17.c: Ditto.
5696         * gcc.dg/graphite/scop-18.c: Ditto.
5697
5698 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5699             Sebastian Pop  <sebastian.pop@amd.com>
5700
5701         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5702         (create_empty_loop_on_edge): More fixes.
5703         * tree-phinodes.c (resize_phi_node): Extern.
5704         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5705         * cfghooks.c (update_dominator_information): New split from
5706         split_edge.
5707         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5708         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5709         successor of the function entry block.
5710
5711         * graphite.c: Include pointer-set.h.
5712         (debug_loop_mapping, increment_loop_mapped_depths,
5713         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5714         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5715         swap_loop_mapped_depth_for_num, get_num_from_index,
5716         swap_loop_mapped_depth, loop_iv_stack_debug,
5717         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5718         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5719         get_old_iv_from_ssa_name): New.
5720         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5721         (free_scop): Free SCOP_LOOPS_MAPPING.
5722         (scop_record_loop): Record old ivs.
5723         (create_var_name): Removed.
5724         (initialize_cloog_names): Allocate double space in case strip mine
5725         applies to all loops once.
5726         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5727         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5728         translation.
5729         (graphite_create_new_loop): Pass in ivstack.
5730         (remove_all_edges): Pass in the construction_edge.
5731         (graphite_remove_iv): Removed.
5732         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5733         remove_cond_exprs): Rewritten.
5734         (move_phi_nodes): New.
5735         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5736         (translate_clast): Pass in ivstack.  Rewrite some cases.
5737         (set_cloog_options, debug_clast_stmt): New.
5738         (find_transform): Use set_cloog_options.
5739         (outermost_loop_layer): Removed.
5740         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5741         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5742         mark_old_loops, remove_dead_loops): New.
5743         (gloog): Rewritten.
5744         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5745         (const_column_index, get_first_matching_sign_row_index,
5746         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5747         get_upper_bound): New.
5748         (graphite_trans_bb_strip_mine): Also update the iv map.
5749
5750         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5751         (struct name_tree): Add a loop field.
5752         (struct scop): Add a graphite_loops_mapping field.
5753         (SCOP_LOOPS_MAPPING): New.
5754         (debug_clast_stmt): Declare.
5755         * lambda.h (find_induction_var_from_exit_cond): Declare.
5756         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5757         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5758         (create_empty_loop_on_edge): Updated.
5759         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5760         rename_variables_in_bb): Declare.
5761         * tree-cfg.c (remove_bb): Extern.
5762
5763         * gcc.dg/graphite/block-0.c: New.
5764
5765 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5766             Sebastian Pop  <sebastian.pop@amd.com>
5767
5768         * graphite.c (strip_mine_profitable_p): New.
5769         (graphite_trans_bb_block): Disable strip mining if not profitable.
5770
5771         * gcc.dg/graphite/scop-18.c: New.
5772         * gcc.dg/graphite/scop-17.c: Fixed.
5773         * gcc.dg/graphite/scop-16.c: Fixed.
5774
5775 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5776             Jan Sjodin  <jan.sjodin@amd.com>
5777             Sebastian Pop  <sebastian.pop@amd.com>
5778
5779         * graphite.c (is_interchange_valid): New.
5780         (graphite_trans_bb_block): Check loop nest of basic block for legality
5781         of interchange.
5782
5783         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5784         outer_most_loop, gbb_outer_most_loop_index): New.
5785
5786         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5787         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5788         * gcc.dg/graphite/scop-16.c: New.
5789         * gcc.dg/graphite/scop-17.c: New.
5790
5791 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5792
5793         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5794         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5795
5796 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5797
5798         * graphite.c (new_scop): Initialize SCOP_EXIT.
5799         (scopdet_info): Add.
5800         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5801         (build_scops_1): Cleanup, bugfixes.
5802         (build_scops): Cleanup.
5803
5804         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5805         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5806
5807 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5808
5809         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5810
5811         * gfortran.dg/graphite/graphite.exp: Use
5812         DEFAULT_GRAPHITE_FLAGS.
5813
5814         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5815
5816 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5817
5818         * graphite.c (scan_tree_for_params): Do not assert any more if
5819         MULT_EXPR parameter is negative.
5820
5821         * gfortran.dg/graphite/scop-1.f: New.
5822
5823         * gfortran.dg/graphite/graphite.exp: New.
5824
5825         * gcc.dg/graphite/scop-15.c: New.
5826
5827 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5828
5829         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5830
5831 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5832
5833         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5834         graphite_swap_loops.
5835         (graphite_trans_bb_move_loop): New.
5836         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5837         (graphite_trans_bb_block): New.
5838         (graphite_trans_loop_block): New.
5839         (graphite_trans_scop_swap_1and2): Rename from
5840         graphite_trans_swap_1and2.
5841         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5842         (graphite_trans_scop_block): New.
5843         (graphite_apply_transformations): Rename from
5844         graphite_transformations.
5845
5846         * gcc.dg/graphite/scop-matmult.c: New.
5847
5848 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5849
5850         * graphite.c (gbb_compare): New.
5851         (graphite_sort_gbbs): New.
5852         (gbb_can_be_ignored): New.
5853         (scop_remove_ignoreable_gbbs): New.
5854         (graphite_transformations): Cleanup and add
5855         scop_remove_ignoreable_gbbs.
5856         * lambda.h (lambda_vector_compare): New.
5857
5858 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5859
5860         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5861         (graphite_swap_loops): int -> unsigned
5862         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5863         (graphite_transformations): New.
5864         (graphite_transform_loops): Move to graphite_transformations.
5865         * graphite.h (gbb_nb_loops): Return unsigned.
5866
5867 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5868
5869         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5870         the domain matrix.  This makes scop-0.c work again.
5871
5872 2008-06-20  Richard Guenther  <rguenther@suse.de>
5873
5874         * graphite.h: Adjust copyright to GPLv3.
5875         * graphite.c: Likewise.
5876         (stmt_simple_memref_for_scop_p): Split out from ...
5877         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5878         and simplify.
5879         (get_bb_type): Optimize.
5880         (is_pred): Remove.
5881         (is_bb_addable): Fix memleak, replace is_pred call with
5882         single_pred.
5883         (build_scops): Use current_loops.
5884         (param_index): Fix memleak.
5885
5886 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5887
5888         * graphite.c: Fix formatting.
5889
5890 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5891
5892         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5893         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5894         (create_var_name, save_var_name): Newly defined functions.
5895         (initialize_cloog_names): Part of the code factored out to
5896         save_var_name.
5897         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5898         in clast_reduction statement.
5899         (graphite_create_new_loop): Now takes a new parameter
5900         for outer_loop.
5901         (translate_clast): Now also takes the context_loop and bb_exit
5902         parameters. Rewritten the code so that it creates a gimple code
5903         inside the given context.
5904         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5905         remove_cond_expr, disconnect_cond_expr,
5906         disconnect_virtual_phi_nodes): Newly defined functions.
5907         * graphite.h (struct scop): added old_ivs vector.
5908         SCOP_OLDIVS: New macro.
5909
5910 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5911
5912         * cfgloopmanip.c: Add missing function comments, fix formatting.
5913
5914 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5915
5916         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5917         (create_empty_loop_on_edge): Defined.
5918         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5919         instead of void.
5920         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5921         (update_dominators_in_loop): Declared as extern
5922         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5923
5924 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5925
5926         * graphite.c (print_graphite_bb): Allow changing number of loops
5927         in SCoP domain.
5928         (initialize_cloog_names): Allow changing number of loops.
5929         (build_cloog_prog): Simplify.
5930         (find_transform): Enable cloog option --strides.
5931         (graphite_swap_loops): New.
5932         (graphite_strip_mine_loop): New.
5933         (graphite_trans_swap_1and2): New.
5934         (graphite_trans_strip): New.
5935         (graphite_transform_loops): Add graphite_trans_strip.
5936         * graphite.h (scop_max_loop_depth): New.
5937
5938 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5939
5940         * graphite.c (build_scop_iteration_domain): Remove forgotten
5941         line. (Fixes compile)
5942
5943 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5944
5945         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5946         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5947         (build_bb_loops): New.
5948         (graphite_transform_loops): Add build_bb_loops.
5949         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5950         numbers.
5951         * graphite.h (graphite_bb): Add loops.
5952         (gbb_nb_loops): New.
5953         (gbb_loop_at_index): New.
5954         (gbb_loop_index): New.
5955         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5956         using nb_params_in_scop.
5957
5958 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5959
5960         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5961         (build_scop_canonical_schedules): Build minimized schedule.
5962         (schedule_to_scattering): Adapt to minimized schedule.
5963         * graphite.h (graphite_bb): Add/Update descriptions.
5964
5965 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5966             Tobias Grosser  <grosser@fim.uni-passau.de>
5967
5968         * graphite.c (print_graphite_bb): Add condition printing.
5969         (dump_value): New.
5970         (dump_gbb_conditions): New.
5971         (build_scop_conditions_1): New.
5972         (build_scop_conditions): New.
5973         * graphite.h (graphite_bb): Add conditions.
5974
5975 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5976
5977         * graphite.c (print_graphite_bb):
5978         (free_graphite_bb): New.
5979         (free_scop): Free bbs.
5980         (get_bb_type): Free doms.
5981         (build_scop_context): Free context matrix.
5982         (build_loop_iteration_domains): Remove unused code.
5983         (build_cloog_prog): Free scattering function and blocklist.
5984         (find_transform): Free options.
5985
5986 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5987
5988         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5989         Remove unnecessery cloog data structures. Make a copy of the domain
5990         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5991         unnecessary cloog data structures. Fix memory leaks. Remove insert
5992         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5993         used.
5994         (build_scop_iteration_domain): Remove unnecessary cloog
5995         data structures.  Fix memory leaks.
5996         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5997         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5998
5999 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6000
6001         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6002
6003 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6004
6005         * graphite.c (end_scop): Style fix.
6006         (schedule_to_scattering): Style and comment fix.
6007
6008 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6009         * graphite.c (print_graphite_bb): Fix definiton of
6010         schedule_to_scattering.
6011         (initialize_cloog_names): Change nb_scattdims to max loop
6012         depth in SCoP.
6013         (schedule_to_scattering): Take parameter for number of scattering
6014         dimensions.
6015         (build_cloog_prog): Only build as much scattering dimensions as
6016         necessary.
6017
6018 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6019
6020         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6021         in polyhedron/aermod.f90.
6022
6023 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6024             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6025             Harsha Jagasia  <harsha.jagasia@amd.com>
6026
6027         * graphite.c (is_bb_addable): Fix segfault.
6028
6029 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6030
6031         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6032         with multiple exits and conditional handling in edge cases.
6033         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6034
6035         * gcc.dg/graphite/scop-14.c: New.
6036
6037 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6038             Adrien Eliche  <aeliche@isty.uvsq.fr>
6039
6040         * graphite.c (is_bb_addable): Add more comments and enhance
6041         readablity of the source code. Fix memory leak.
6042         (is_loop_exit): Fix memory leak.
6043
6044 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6045
6046         * graphite.c (first_loop_in_scop): Deleted.
6047         (setup_cloog_loop): Only walk the loop chain for inner loops.
6048         (build_scop_iteration_domain): Execute setup_cloog_loop for
6049         all loops in the first layer.
6050
6051 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6052
6053         * graphite.c (scan_tree_for_params): Change the way params are
6054         added to be indepenent of the number of loops.
6055         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6056         handling.
6057         (build_cloog_prog): Revert to short matrix format.
6058
6059 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6060             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6061
6062         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6063         warning.
6064
6065 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6066
6067         * graphite.c (nb_data_refs_in_scop): New.
6068         (graphite_transform_loops): Print more stats: number of
6069         loops, basic blocks and data references per scop.
6070
6071 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6072             Jan Sjodin  <jan.sjodin@amd.com>
6073
6074         * graphite.c (loop_affine_expr, idx_record_params,
6075         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6076         instead of instantiate_parameters.
6077
6078 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6079
6080         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6081         add support for parameters, add STATIC_SCHEDULE at the right places,
6082         cleanup.
6083
6084 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6085
6086         * graphite.c (build_scop_loop_nests): Only add the loops, that
6087         are contained completely in the SCoP.
6088         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6089         and the domains are fixed.
6090         (build_scop_canonical_schedules): Add support for bbs not contained
6091         in any SCoP.
6092
6093 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6094
6095         * graphite.h (scop_contains_loop): Update comments to match
6096         the actual behavior.
6097         (scop_contains_loop): New.
6098         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6099
6100 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6101
6102         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6103         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6104         as GBB_COND_HEADER.
6105
6106 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6107             Tobias Grosser  <grosser@fim.uni-passau.de>
6108
6109         * graphite.c (graphite_transform_loops): Early return when
6110         there are no loops in the function.
6111
6112 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6113             Jan Sjodin  <jan.sjodin@amd.com>
6114
6115         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6116         offset of the last loop.
6117         (setup_cloog_loop): Copy the entire outer constraint matrix.
6118
6119 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6120             Jan Sjodin  <jan.sjodin@amd.com>
6121
6122         * graphite.c (stmt_in_scop_p, function_parameter_p,
6123         invariant_in_scop_p): Removed.
6124         (scan_tree_for_params): Can be used with no constraint
6125         matrix for gathering parameters.
6126         (idx_record_params): Don't use idx_record_param, instead use
6127         scan_tree_for_params.
6128         (find_scop_parameters): Same.
6129         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6130         Fix the size of loop domains.
6131         (schedule_to_scattering): Exit when the outer loop is not in scop.
6132         (find_transform): Enable build_cloog_prog.
6133
6134 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6135             Jan Sjodin  <jan.sjodin@amd.com>
6136
6137         * graphite.c (schedule_to_scattering): Make scattering domains
6138         uniformly of the same size, as required by CLooG 0.14.0 and before.
6139
6140 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6141             Jan Sjodin  <jan.sjodin@amd.com>
6142
6143         * graphite.c (schedule_to_scattering): Rewrite, correct the
6144         translation of the scheduling function to scattering.
6145         (build_cloog_prog): Call schedule_to_scattering only once.
6146         * graphite.h (scop_loop_index): Do not fail for loops not
6147         in the scop: return -1.
6148
6149 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6150
6151         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6152         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6153         (setup_cloog_loop): Export GBB_DOMAIN.
6154         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6155         able to rebuild the original control flow.
6156         * graphite.h (graphite_bb): Add domain field and access macro.
6157         (GBB_DOMAIN): New.
6158
6159 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6160
6161         * graphite.c (debug_gbb): New.
6162         (print_scop, build_graphite_bb): Use SCOP_BBS.
6163         (build_scop_bbs): Reimplemented.
6164         (dfs_bb_in_scop_p): Removed.
6165         (build_scop_loop_nests): Reorder loops inserted in
6166         SCOP_LOOP_NEST: outer loops should come first.
6167         (build_scop_canonical_schedules): Reinitialize at zero
6168         the components of the SCOP_STATIC_SCHEDULE for the loops
6169         that have already been parsed.
6170
6171         * graphite.h (debug_gbb): Declared.
6172
6173 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6174             Jan Sjodin  <jan.sjodin@amd.com>
6175
6176         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6177         (graphite_loop_to_gcc_loop): Removed.
6178         (remove_all_edges): New.
6179         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6180         (gloog): Remove useless code.
6181
6182 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6183
6184         * graphite.c (get_bb_type): Reworked. We distinguish between
6185         loops with one or multiple exits.
6186         (is_loop_exit): New.
6187         (is_pred): New.
6188         (is_bb_addable): Rework condition handling, now support for case
6189         case statements and loops with multiple exits.
6190
6191         * gcc.dg/graphite/scop-11.c: New.
6192         * gcc.dg/graphite/scop-12.c: New.
6193         * gcc.dg/graphite/scop-13.c: New.
6194
6195 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6196
6197         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6198         we have too many colors.
6199
6200 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6201
6202         * doc/invoke.texi (-ftree-loop-fusion): Document.
6203         * tree-pass.h (pass_loop_fusion): Declared.
6204         * tree-loop-fusion.c: New.
6205         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6206         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6207         * tree-data-ref.h (find_data_references_in_loop): Declared.
6208         * common.opt (ftree-loop-fusion): Declared.
6209         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6210
6211 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6212
6213         * graphite.c (build_access_matrix): Fix typo from the merge.
6214
6215 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6216
6217         * Merge from mainline (130800:135673).
6218
6219 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6220
6221         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6222         Update dominators after splitting.
6223
6224 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6225
6226         * graphite.c (is_bb_addable): Return the harmful statement.
6227         Factor up some code.
6228         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6229         (build_scops_1): Call end_scop.
6230
6231 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6232
6233         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6234         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6235         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6236         build_scops_1): Removed.
6237         (build_scops_2): Renamed build_scops_1.
6238
6239 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6240
6241         * graphite.c: Fix formatting.
6242
6243 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6244
6245         * graphite.c (get_bb_type): New.
6246         (move_scops): New.
6247         (build_scops_2): New.
6248         (is_bb_addable): New.
6249         (build_scops): Switch the scop detection.
6250         (build_scop_bbs): Add entry bb to scop.
6251         * graphite.h (struct scop): Update comment.
6252
6253 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6254
6255         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6256         more colors.
6257
6258 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6259
6260         * gcc.dg/graphite/scop-1.c: Update.
6261         * gcc.dg/graphite/scop-2.c: Update.
6262         * gcc.dg/graphite/scop-4.c: Update.
6263         * gcc.dg/graphite/scop-5.c: Add.
6264         * gcc.dg/graphite/scop-6.c: Add.
6265
6266 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6267
6268         * gcc.dg/graphite/scop-0.c: Add.
6269         * gcc.dg/graphite/scop-7.c: Add.
6270         * gcc.dg/graphite/scop-8.c: Add.
6271         * gcc.dg/graphite/scop-9.c: Add.
6272         * gcc.dg/graphite/scop-10.c: Add.
6273
6274 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6275
6276         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6277         Check affine expressions depending on the outermost loop
6278         instead of a scop.
6279         (stmt_simple_for_scop_p): Same.
6280         (harmfule_stmt_in_scop): Same.
6281
6282 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6283
6284         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6285         mark entry and exit, that are not part of the SCoP and update HTML
6286         formatting.
6287
6288 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6289
6290         * graphite.c (basic_block_simple_for_scop_p): Renamed
6291         harmful_stmt_in_bb.
6292         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6293         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6294         (all_preds_visited_p, all_succs_visited_p,
6295         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6296         scop_end_loop): New.
6297         (build_scops): Do not use dfs_enumerate_from.
6298
6299         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6300
6301 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6302
6303         * graphite.c: Add comments to functions that are missing a
6304         description.
6305         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6306
6307 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6308
6309         * graphite.c (nb_params_in_scop): Moved...
6310         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6311         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6312         (clast_to_gcc_expression): Reduce column size to less than 80.
6313         (graphite_create_iv): Return the new name of the IV.
6314         (find_transform): Set options->esp and options->cpp.
6315         (gloog): Comment out the invalidation of the old loop code.
6316         (initialize_dependence_polyhedron): Replace scop_nb_params with
6317         nb_params_in_scop.
6318
6319         * graphite.h (nb_params_in_scop): ... here.
6320         (scop_nb_params): Removed.
6321         (loop_domain_dim): Return something even when the loop was not
6322         found in the hash table: avoid ICEing on all the graphite.exp
6323         testcases.
6324
6325 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6326
6327         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6328
6329         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6330         according to nesting level.
6331         (find_scop_parameters): Call instantiate_parameters.
6332         (scan_tree_for_params): Extend it to handle general affine bounds.
6333         Inner loop bound can depend on outer loop induction variable.
6334         (setup_cloog_loop): tmp variable is allocated on stack. Call
6335         instantiate_parameters with respect to outermost_loop_in_scop.
6336         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6337         graphite.h.
6338         (create_empty_loop): Function loopify should be given edge
6339         probability, instead of edge frequency. Dominance relation from
6340         switch_bb to loop_header.
6341         (clast_to_gcc_expression): Added handling of clast_reduction node.
6342         (gloog): New functionality for removing old loop.
6343         (test_dependence): Factored out from build_rdg_all_levels.
6344         (build_rdg_all_levels): Dependence testing factored out to
6345         test_dependence function.
6346
6347         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6348         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6349         from graphite.c
6350
6351 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6352
6353         * graphite.c (free_scop, param_index, initialize_cloog_names,
6354         nb_params_in_scop): Use name_tree map instead of just a tree
6355         for keeping track of the variable name associated to that tree.
6356         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6357         clast_to_gcc_expression, graphite_create_iv,
6358         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6359         graphite_stmt_to_gcc_stmt): New.
6360         (gloog): Call these.
6361         * graphite.h (struct name_tree): New.
6362         (struct scop): Use name_tree instead of tree for params.
6363         Store a vector of name_tree for new_ivs.
6364         (SCOP_NEWIVS): New.
6365         (scop_nb_params): Use name_tree instead of tree.
6366
6367 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6368             Sebastian Pop  <sebastian.pop@amd.com>
6369
6370         * tree-bounds.c: New.
6371         * tree-bounds.h: New.
6372         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6373         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6374         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6375         flag_mudflap.
6376         * gcc.c: Same.
6377         * toplev.c: Same.
6378         * c-cppbuiltin.c: Same.
6379         * c-pragma.c: Same.
6380         * common.opt: Same.
6381         * varasm.c: Same.
6382         * tree-outof-ssa.c: Same.
6383         * c-common.c: Same.
6384         * Makefile.in: Same.
6385
6386 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6387             Sebastian Pop  <sebastian.pop@amd.com>
6388
6389         * tree-loop-distribution.c (remaining_stmts,
6390         upstream_mem_writes): Removed static variables.
6391         (copy_loop_before, create_bb_after_loop,
6392         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6393         rdg_build_components, rdg_build_partitions,
6394         dump_rdg_partitions): Extern.
6395         (generate_loops_for_partition, generate_code_for_partition): Do not
6396         return a bool.
6397         (already_processed_vertex_p, predecessor_has_mem_write,
6398         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6399         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6400         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6401         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6402         Pass remaining_stmts and upstream_mem_writes as parameters.
6403         (rdg_component): Moved...
6404         (build_rdg_partition_for_component): Do not aggregate components when
6405         flag_streamize_loops is set.
6406         (gen_sequential_loops): New.
6407         (ldist_gen): Call gen_sequential_loops.
6408
6409         * tree-pass.h (pass_loop_streamization): Declared.
6410
6411         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6412         basic blocks when loops structures exist.
6413
6414         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6415
6416         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6417
6418         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6419         eliminate_local_variables_stmt, eliminate_local_variables,
6420         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6421         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6422         of code delimited by two edges in the CFG.
6423         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6424         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6425         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6426         the case of parallelisation of reductions.
6427         (create_loop_fn): Extern.
6428         (create_omp_parallel_region): New.
6429
6430         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6431         dump_data_reference for printing dra and drb.
6432         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6433         RDGE_RELATION.
6434         (build_rdg): Don't call free_dependence_relations for the moment, as
6435         we attach dependence relations on each edge of the RDG.
6436         To be fixed later.
6437
6438         * tree-data-ref.h (rdg_component): ...here.
6439         (struct rdg_edge): New field ddr_p relation.
6440         (RDGE_RELATION): New.
6441         (create_bb_after_loop, copy_loop_before,
6442         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6443         rdg_build_partitions, dump_rdg_partitions,
6444         free_rdg_components): Declared.
6445
6446         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6447         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6448
6449         * tree-loop-streamization.c: New.
6450
6451         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6452         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6453
6454         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6455
6456         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6457
6458         * passes.c: Schedule pass_loop_streamization.
6459
6460 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6461
6462         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6463         update comment.
6464
6465 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6466
6467         * graphite.c (dot_all_scops): Update formatting.
6468         Bbs can now be part of more than one SCoP.
6469
6470 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6471
6472         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6473         malloc problems.
6474         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6475         * graphite.h (loop_to_cloog_loop): New.
6476
6477 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6478
6479         * graphite.c (loop_domain_dim, ref_nb_loops,
6480         loop_iteration_vector_dim): New.
6481         (build_access_matrix_with_af, build_access_matrix,
6482         initialize_dependence_polyhedron): Fixed for new matrix layout.
6483         No longer assume that all iteration domains are of the same
6484         dimensionality.
6485
6486 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6487
6488         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6489         defined in a loop at depth 0 is invariant.
6490         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6491         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6492         be called at loop depth 0.
6493
6494         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6495         a parameter.
6496         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6497         (down_open_scop): Removed.
6498         (loop_in_scop_p): Redefined.
6499         (scop_affine_expr): New argument: scop.
6500         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6501         a harmful statement ending a scop.
6502         (basic_block_simple_for_scop_p): New argument: scop.
6503         (get_loop_start): Removed.
6504         (new_scop): Initialize SCOP_LOOPS.
6505         (free_scop): Free SCOP_LOOPS.
6506         (succs_at_same_depth, preds_at_same_depth): New.
6507         (end_scop): Test the validity of a scop.
6508         (add_dominators_to_open_scops): New.
6509         (test_for_scop_bound): Call add_dominators_to_open_scops.
6510         Add cases for opening and closing multiple scops.
6511         (build_scops, build_scop_bbs): Iterate over basic blocks in
6512         depth first order.
6513         (build_graphite_bb): Pass scop directly.
6514         (dfs_bb_in_scop_p): New.
6515         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6516         several times.
6517         (nb_loops_around_gb): Use loop_in_scop_p.
6518         (schedule_to_scattering): Disabled for the moment the code computing
6519         the "textual order for outer loop".
6520
6521         * graphite.h (struct scop): New field loops.
6522         (SCOP_LOOPS): New.
6523         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6524
6525         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6526
6527 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6528             Sebastian Pop  <sebastian.pop@amd.com>
6529
6530         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6531         * common.opt (fstreamize-loops): New.
6532         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6533         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6534         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6535         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6536
6537 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6538
6539         * tree-data-ref.c (build_empty_rdg): New.
6540         (build_rdg): Use it.
6541         * tree-data-ref.h (build_empty_rdg): Declared.
6542         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6543         (find_vertex_for_stmt): Removed.
6544         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6545
6546 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6547
6548         * tree-loop-distribution.c (generate_builtin): After cancelling the
6549         loop tree, also delete basic blocks.
6550         (rdg_flag_uses): Stop recursion when a vertex has already been
6551         processed.
6552
6553 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6554
6555         * graphite.c (build_scop_alpha): Removed.
6556         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6557         and dump_dependence_graph to avoid compiler warnings.
6558
6559 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6560
6561         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6562         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6563         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6564         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6565         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6566         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6567         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6568         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6569         dump_dependence_graph): New.
6570         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6571         (GBB_ALPHA): New.
6572         (struct scop): New field loop2cloog_loop.
6573         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6574         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6575
6576 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6577
6578         * graphite.c (build_graphite_bb): Fix initialization
6579         of the graphite basic block.
6580
6581 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6582
6583         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6584         loop domain matrix.  Pass in the number of loops contained in the
6585         constraint matrix.
6586         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6587         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6588         loops that are not surrounding the current loop are not represented
6589         in the domain constraint matrix.
6590         (build_scop_iteration_domain): Initial domain constraint matrix
6591         contains only the eq/ineq, cst, and scop parameters columns.
6592
6593 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6594
6595         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6596         (print_graphite_bb): Print scattering.
6597
6598 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6599
6600         * graphite.c (initialize_cloog_names): Initialize names of
6601         scattering variables.
6602
6603 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6604
6605         * graphite.c (dot_all_scops_1): Disable debug output while
6606         printing graph.
6607
6608 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6609
6610         * graphite.c (find_transform): Change cloog output language to C.
6611
6612 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6613
6614         * tree-loop-distribution.c (generate_memset_zero,
6615         generate_builtin, generate_code_for_partition,
6616         rdg_flag_all_uses): New.
6617         (rdg_flag_uses): Gather in the same partition the statements defining
6618         the VUSES of the current statement.
6619         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6620         Gather in the same partition not only the stores to the same memory
6621         access, but also the reads.
6622         (ldist_generate_loops): Renamed ldist_gen.
6623
6624 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6625             Tobias Grosser  <grosser@fmi.uni-passau.de>
6626
6627         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6628         next pointer, don't use the inner pointer.
6629
6630 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6631
6632         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6633         (find_transform): Call dot_all_1.
6634         * graphite.h (dot_all_scops): Declared.
6635
6636 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6637
6638         * tree-loop-distribution.c: Fix apsi.f ICE.
6639         (create_bb_after_loop): New.
6640         (generate_loops_for_partition): Use it.
6641         * gfortran.dg/ldist-1.f90: New.
6642
6643         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6644         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6645
6646 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6647
6648         * graphite.c (find_transform): Dump cloog program sent to cloog.
6649
6650 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6651
6652         * graphite.c (initialize_cloog_names): Initialize cloog
6653         iterator names.
6654
6655 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6656
6657         * graphite.c (build_scop_context): Fix typo, for the matrix
6658         format: insert '0 >= 0' instead of '-1 >= 0'.
6659
6660 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6661
6662         * Fix merge problems.
6663
6664 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6665
6666         * graphite.c (setup_cloog_loop): Fix typo.
6667
6668 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6669
6670         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6671         * tree-loop-distribution.c: Reimplemented.
6672         * tree-pass.h (pass_loop_distribution): New.
6673         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6674         print_loops.
6675         * graphds.h (struct graph): New field indexes.
6676         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6677
6678         * tree-vect-analyze.c: Remove declaration of static functions when not
6679         needed.
6680         * tree-vectorizer.c: Same.
6681         (rename_variables_in_loop): Now extern.
6682         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6683         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6684         calling redirect_edge_and_branch_force.
6685
6686         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6687
6688         * tree-data-ref.c: Don't include tree-chrec.h.
6689         (debug_data_dependence_relations): New.
6690         (dump_data_dependence_relation): Call dump_data_reference on data refs
6691         in the relation.
6692         (same_access_functions): Moved...
6693         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6694         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6695         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6696         struct rdg_vertex_info, ): New.
6697         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6698         at DDR_REVERSED_P.
6699         (create_rdg_vertices): Initialize the htab of graph->indexes.
6700         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6701         (stmts_from_loop): Don't save LABEL_EXPR.
6702         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6703         hash_stmt_vertex_del): New.
6704         (build_rdg): Initialize rdg->indexes.
6705         (free_rdg, stores_from_loop, ref_base_address,
6706         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6707         have_similar_memory_accesses_1, ref_base_address_1,
6708         remove_similar_memory_refs): New.
6709
6710         * tree-data-ref.h: Include tree-chrec.h.
6711         (debug_data_dependence_relations): Declared.
6712         (same_access_functions): ...here.  Now static inline.
6713         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6714         ddr_dependence_level): New.
6715         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6716         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6717         RDG_MEM_READS_STMT): New.
6718         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6719         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6720         rdg_vertex_for_stmt): Declared.
6721         (struct rdg_edge): New field level.
6722         (RDGE_LEVEL, free_rdg): New.
6723         (stores_from_loop, remove_similar_memory_refs,
6724         rdg_defs_used_in_other_loops_p,
6725         have_similar_memory_accesses): Declared.
6726         (rdg_has_similar_memory_accesses): New.
6727
6728         * lambda.h (dependence_level): New.
6729         * common.opt (ftree-loop-distribution): New.
6730         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6731         (print_loop_ir): Renamed print_loops.
6732         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6733         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6734         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6735         (tree-loop-distribution.o): Added.
6736         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6737         (mark_virtual_ops_in_bb): New.
6738         (print_loops_bb, debug_loop_num, debug_loop): New.
6739         * passes.c: Scheduled pass_loop_distribution.
6740
6741 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6742
6743         * graphite.c (scan_tree_for_params): Correct the number of columns
6744         for polylib format.
6745         (nb_flat_iterator): New.
6746         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6747         (build_scop_iteration_domain): Correct the number of columns for
6748         polylib format.
6749
6750 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6751
6752         * Merge from mainline (129697:130800).
6753
6754 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6755
6756         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6757         dominated by SCoP's exit.
6758         (graphite_transform_loops): Compute post dominators.
6759
6760 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6761
6762         * Merge from mainline (127169:129697).
6763
6764 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6765
6766         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6767         parameter for the basic block that contains the expression.  Use
6768         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6769         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6770         the expression.
6771         * graphite.h (gbb_loop): New.
6772         (GBB_LOOP): Removed.
6773
6774 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6775
6776         * Makefile.in: Fix merge problem.
6777
6778 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6779
6780         * Merge from mainline (125309:127169).
6781         * tree-loop-distribution.c: Disabled.
6782
6783 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6784
6785         * Merge from mainline (r123693:125309).
6786
6787 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6788
6789         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6790         correct_modify_p
6791         (correct_modify_p, check_statements, number_of_lvalue_uses,
6792         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6793         instead of MODIFY_EXPR.
6794         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6795         and push new edges.
6796
6797 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6798
6799         * tree-loop-distribution.c (struct rdg): Replace arrays by
6800         VECs for edges and vertices.
6801         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6802         (RDGV_NB_PARTITIONS): New.
6803         (PRDG_NBV, PRDG_NBE): Removed.
6804         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6805         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6806         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6807
6808 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6809             Sebastian Pop  <sebpop@gmail.com>
6810
6811         * doc/invoke.texi (-ftree-loop-distribution): Document.
6812         * tree-loop-distribution.c: New file.
6813         * tree-pass.h (pass_loop_distribution): Declared.
6814         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6815         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6816         and set reversed_p.
6817         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6818         (DDR_REVERSED_P): New.
6819         * common.opt (-ftree-loop-distribution): New.
6820         * tree-flow.h (distribute_loops): Declared.
6821         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6822         * passes.c (init_optimization_passes): Schedule loop distribution.
6823
6824 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6825
6826         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6827         (print_scop): Don't print when scop is NULL.
6828         (build_scop_context, find_transform): Don't output to stderr.
6829
6830 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6831
6832         * tree-data-ref.c: Don't include graphite.h.
6833         Comment out the code for printing data reference's scop.
6834         (build_access_matrix_with_af): Moved...
6835         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6836         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6837         (print_graphite_bb): Print basic block's schedule.
6838         (print_scop): Don't print the schedule, call cloog's pretty printer.
6839         (bb_in_scop_p): A basic block is in a scop only if it is both
6840         dominated and postdominated by the scop's entry and exit basic blocks.
6841         (function_parameter_p): New.
6842         (invariant_in_scop_p): Use function_parameter_p.
6843         (new_scop, save_scop): New.
6844         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6845         save_scop.
6846         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6847         (loop_in_scop_p): New.
6848         (scop_record_loop): Use loop_in_scop_p.
6849         (build_scop_domain): Renamed build_scop_iteration_domain.
6850         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6851         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6852         setup_cloog_loop, dot_scop_1, dot_scop): New.
6853         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6854         (struct scop): Add a pointer to cloog's representation of a program.
6855
6856 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6857
6858         * doc/invoke.texi (-ftree-check-verbose): Renamed
6859         -ftree-checks-verbose.
6860         * common.opt (flag_tree_check_verbose): Renamed
6861         flag_tree_checks_verbose.
6862         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6863
6864 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6865
6866         * configure: Regenerated.
6867         * config.in: Regenerated.
6868         * tree-ssa-loop.c (graphite_transforms): Execute
6869         graphite_transform_loops only when HAVE_cloog.
6870         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6871         * graphite.c: Include polylibgmp.h and cloog.h.
6872         (graphite_transform_loops): Removed loops parameter.
6873         * tree-flow.h (graphite_transform_loops): Update declaration.
6874         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6875         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6876         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6877         (OBJS-common): Remove dependence on graphite.o.
6878         (BACKEND): Depend on @GRAPHITE@.
6879
6880 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6881
6882         * doc/invoke.texi (-ftree-check-verbose): Documented.
6883         * gcc.dg/tree-checker/tree-checks-1.c: New.
6884         * gcc.dg/tree-checker/tree-checks-2.c: New.
6885         * gcc.dg/tree-checker/tree-checks-3.c: New.
6886         * gcc.dg/tree-checker/tree-checks-4.c: New.
6887         * gcc.dg/tree-checker/tree-checks.exp: New.
6888         * gcc.dg/tree-checker/condates.crp: New.
6889         * common.opt (ftree-checks-verbose): New.
6890         * tree-check.c (tree_check_warning): Move extra stderr output
6891         under control of flag_tree_check_verbose.
6892
6893 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6894
6895         * tree-match.c: Fix comments formatting.
6896         * tree-match.h: Fix comments formatting.
6897         * tree-check.c: Fix comments formatting.
6898         (tree_check_init): Restructure.
6899
6900 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6901
6902         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6903
6904 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6905
6906         * Merge from mainline (r120733:123693).
6907
6908 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6909
6910         * condate.y: New file.
6911         * tree-match.h (struct patt_info_s): New field sign.
6912         (struct condate_s): New field msg.
6913         (normalize_condate, name_condate, add_condate): New.
6914         (conds[], condate_parse): Made extern.
6915         * tree-check.c (tree_check_warning): First arg changed to cond;
6916         warning reformatted.
6917         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6918         (tree_scan): New.
6919         (tree_check): Process trivial condates.
6920         (read_delimited_string): Removed.
6921         (print_cond): Print name and msg.
6922         (conds[]): Made extern.
6923         (parse_tree_check_file_once): Rewritten to use the parser in
6924         condate.y.
6925         Processing of option --tree_check_string moved to tree_scan().
6926         * Makefile.in: Added condate.y
6927
6928 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6929
6930         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6931         Use VECs instead of varrays.
6932         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6933         * Makefile.in (pretty-print.o): Depend on vec.h.
6934         * pretty-print.c: Include tree.h and vec.h.
6935         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6936         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6937         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6938         pp_free_list): Use VECs instead of varrays.
6939         * pretty-print.h: Do not include varray.h.
6940         (struct tree_chunk_s): Declaration moved before its use.
6941         (output_buffer): Rename varray field to chunks.
6942         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6943         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6944         save_global_holes): Use VECs instead of varrays.
6945         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6946         * tree-check.c (scan_cfg_stmts, push_node,
6947         print_matching_stmt): Removed.
6948         (tree_check_instance, push_global_holes_if_new, tree_check,
6949         execute_tree_check): Use VECs instead of varrays.
6950         (gate_tree_check): Don't execute the CFG check when basic_block_info
6951         is not available.
6952
6953 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6954
6955         * Merge from mainline (r115016:120733).
6956
6957 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6958
6959         * Merge from mainline (r117632:117661).
6960
6961 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6962
6963         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6964         * tree-pass.h (TDF_DEBUG, debug_p): New.
6965         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6966         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6967         get_loop_exit_condition, analyze_evolution_in_loop,
6968         analyze_initial_condition, analyze_scalar_evolution,
6969         instantiate_parameters, number_of_latch_executions): Use debug_p.
6970         * tree-chrec.c (chrec_apply): Use debug_p.
6971         * tree-data-ref.c: Include graphite.h.
6972         (dump_data_reference): Print also the access matrix.
6973         (analyze_array, analyze_indirect_ref, init_data_ref,
6974         analyze_offset_expr, address_analysis, object_analysis,
6975         create_data_ref, finalize_ddr_dependent,
6976         non_affine_dependence_relation, analyze_ziv_subscript,
6977         analyze_siv_subscript_cst_affine,
6978         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6979         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6980         analyze_miv_subscript, analyze_overlapping_iterations,
6981         build_classic_dist_vector, subscript_dependence_tester,
6982         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6983         (build_access_matrix_with_af): No longer static.
6984         * tree-data-ref.h (scop_p): ... declaration here.
6985         (data_reference.scop): New field.
6986         (DR_SCOP, DR_ACCESS_MATRIX): New.
6987         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6988         * graphite.c (print_graphite_bb): Call dump_data_references.
6989         (print_scop): Use scop_nb_loops and scop_dim_domain.
6990         (test_for_scop_bound): Use debug_p.
6991         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6992         scop_nb_params.
6993         (scop_loop_index): Moved...
6994         (scop_record_loop): New.
6995         (build_scop_loop_nests): Use scop_record_loop.
6996         (build_scop_domain): Use scop_dim_domain.
6997         (build_access_matrix): Implemented.
6998         (build_scop_canonical_schedules): Use scop_nb_loops.
6999         (build_graphite_bb): Initialize GBB_SCOP.
7000         * graphite.h (scop_p): Moved...
7001         (graphite_bb.scop): New field.
7002         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7003         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7004         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7005         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7006         scop_loop_index): New.
7007         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7008
7009 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7010
7011         * Merge from mainline (r117661:120450).
7012
7013 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7014
7015         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7016         at the first declaration outside the varying loop, instantiate as
7017         far as possible.
7018         * tree-chrec.c (for_each_scev_op): New.
7019         * tree-chrec.h (for_each_scev_op): Declared.
7020         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7021         * tree-data-ref.c (get_references_in_stmt,
7022         find_data_references_in_stmt): New, from trunk.
7023         (find_data_references_in_loop): Use get_references_in_stmt
7024         and find_data_references_in_loop, modified as in trunk.
7025         (build_access_matrix_with_af): New.
7026         * tree-data-ref.h (data_reference): Add a field access_matrix.
7027         (data_ref_loc): New, as in trunk.
7028         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7029         invariant_in_scop_p, param_index, scan_tree_for_params,
7030         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7031         idx_record_param, idx_record_params, build_access_matrix,
7032         build_scop_data_accesses, build_scop_canonical_schedules,
7033         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7034         build_scop_params): New.
7035         * graphite.h (graphite_bb): New.
7036         (scop): Add fields static_schedule, params, loop_nest,
7037         iteration_domain.
7038         * lambda.h: Declare vecs of lambda_matrix.
7039         * tree-flow.h (print_loop_ir_bb): Declared.
7040         * tree-cfg.c (print_loop_ir_bb): New.
7041         (print_loop): Use print_loop_ir_bb.
7042
7043 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7044
7045         * Merge from mainline (r115016:117632).
7046
7047 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7048
7049         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7050         break due to a warning.
7051
7052 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7053
7054         * graphite.c (print_scops, debug_scops): New.
7055         (graphite_transform): Renamed graphite_find_transform.
7056         * graphite.h (debug_scops): Declared.
7057
7058 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7059
7060         * tree-match.c: Reformat following the GNU style.
7061         * tree-match.h: Reformat following the GNU style.
7062         * tree-pattern.h: Removed empty file.
7063         * Makefile.in: Remove references to tree-pattern.h.
7064         * tree-check.c: Reformat following the GNU style.
7065         (execute_tree_check): Move gate condition code to...
7066         (gate_tree_check): ...here.  New function.
7067         (pass_check): Use the gate function.
7068
7069 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7070
7071         * tree-pattern.h: New. Tree pattern matching and checking using
7072         concrete syntax.
7073         * tree-check.c: New. Tree/CFG checking pass.
7074         * tree-match.c: New. Library for tree pattern matching.
7075         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7076         * toplev.c, flags.h: Add globals for tree-check pass.
7077         * Makefile.in: Integrate the files in tree-check pass.
7078         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7079         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7080         Introduce a "lazy" pretty-print mode.
7081         * tree.c, tree.h: Add tree_name.
7082
7083 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7084
7085         * doc/invoke.texi (-fgraphite): Correct typo.
7086         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7087         use of print_loop_ir.
7088         * gcc.dg/graphite/scop-1.c: New.
7089         * gcc.dg/graphite/scop-2.c: New.
7090         * gcc.dg/graphite/graphite.exp: New.
7091         * graphite.c: Include domwalk.h.
7092         (print_scop): Print only the entry and exit blocks.
7093         (debug_scop): No longer static.
7094         (affine_expr): Fix formating.  Return also true when the expression is
7095         constant.
7096         (stmt_simple_for_scop_p): Fix formating.
7097         (build_scops): Use domwalk.
7098         (get_loop_start, end_scop, test_for_scop_bound): New.
7099         (graphite_transform_loops): Avoid printing on stderr.
7100         * graphite.h (debug_scop): Declared.
7101         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7102         * Makefile.in (graphite.o): Depend on domwalk.h.
7103         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7104         declarations for static functions.
7105         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7106         controlling output verbosity.
7107
7108 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7109             Plesco Alexandru  <shurikx@gmail.com>
7110
7111         * doc/invoke.texi (-fgraphite): Document.
7112         * tree-pass.h (pass_graphite_transforms): Declared.
7113         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7114         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7115         (pass_graphite_transforms): Defined.
7116         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7117         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7118         * graphite.c, graphite.h: New.
7119         * common.opt (fgraphite): Declared.
7120         * tree-flow.h (graphite_transform_loops): Declared.
7121         * Makefile.in (OBJS-common): Add graphite.o.
7122         (graphite.o): New rule.
7123         * passes.c (pass_graphite_transforms): Scheduled.
7124