gcc/ChangeLog.graphite

   1 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
   4         priority signed types.
   5
   6 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
   9         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
  10
  11 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
  12
  13         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
  14         (openscop_print_polyhedron_matrix): New.
  15         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
  16         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
  17         (openscop_print_pdr_powerset): New.
  18         (openscop_print_powerset_matrix): New.
  19         (openscop_print_scattering_function_1): New.
  20         (print_scattering_function): Add support for scattering names and
  21         OpenScop format.
  22         (graphite_write_transforms): Remove.
  23         (apply_poly_transforms): Updated to call print_scop.
  24         (print_pdr_access_layout): Updated to support OpenScop format.
  25         (print_pdr): Same.
  26         (openscop_print_pbb_domain): New.
  27         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
  28         not provided.
  29         (print_pbb): Updated to call the new print_pbb_body.
  30         (openscop_print_scop_context): New.
  31         (print_scop_header): New.
  32         (print_scop): Updated to call print_scop_header.
  33         * graphite-poly.h: Document OpenScop format.
  34
  35 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
  38         the case removed in the previous patch, when the only phi argument
  39         is defined in the same loop as the phi node itself.  Handle it
  40         separately from the invariant case by both propagating it outside
  41         the region and replacing the phi node with an assign.
  42
  43 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
  44
  45         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
  46         constant phi nodes with one argument are is_gimple_min_invariant
  47         and SSA_NAME_IS_DEFAULT_DEF.
  48
  49         * gfortran.dg/graphite/id-22.f: New.
  50
  51 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  52
  53         * graphite.c (graphite_initialize): Do not initialize
  54         CLooG and initialize the Parma Polyhedra Library
  55         manually when using CLOOG_ORG.
  56         (graphite_finalize): Do not finalize CLooG and finalize
  57         the Parma Polyhedra Library manually when using CLOOG_ORG.
  58         * graphite-cloog-compat.h (cloog_initialize): Hide function
  59         when using CLOOG_ORG.
  60         (cloog_finalize): Same.
  61
  62 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  63
  64         * graphite-clast-to-gimple.c (free_scattering): Change
  65         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
  66         (CLOOG_ORG).
  67         (build_cloog_prog): Same.
  68         * graphite-cloog-compat.h (cloog_domain): Removed.
  69         (cloog_scattering): New.
  70         (cloog_set_domain): Removed.
  71         (cloog_set_scattering): New.
  72         (cloog_next_domain): Removed.
  73         (cloog_next_scattering): New.
  74         (cloog_set_next_domain): Removed.
  75         (cloog_set_next_scattering): New.
  76         (CloogScatteringList): New.
  77         (CloogScattering): New.
  78         (cloog_scattering_free): New.
  79         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
  80         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
  81         New.
  82
  83 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
  84
  85         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
  86         CloogState.
  87         (set_cloog_options): Same.
  88         (print_clast_stmt): Same.
  89         (scop_to_clast): Same.
  90         (print_generated_program): Same.
  91         (gloog): Same.
  92         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
  93         (scop_to_clast): Extend with CloogState.
  94         * graphite-cloog-util.c: Include graphite-cloog-compat.h
  95         (new_Cloog_Domain_from_ppl_Polyhedron):
  96         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
  97         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
  98         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
  99         * graphite-cloog-util.h (build_cloog_prog): Same.
 100         * graphite-cloog-copat.h (build_cloog_prog): New.
 101         (CloogState): New.
 102         (cloog_state_malloc): New.
 103         (cloog_state_free): New.
 104         (cloog_loop_malloc): New.
 105         (cloog_options_malloc): New.
 106         (cloog_statement_alloc): New.
 107         (cloog_domain_from_cloog_matrix): New.
 108         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 109         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 110
 111 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 112
 113         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 114         type of NAME now depends on used CLooG version.
 115         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 116         (gcc_type_for_clast_expr): Same.
 117         (print_clast_stmt): Replace pprint with clast_pprint.
 118         * graphite-cloog-compat.h: Provide compatibility macros for
 119         CLooG Legacy.
 120         (clast_name_p): New.
 121         (clast_expr_term): New.
 122         (clast_expr_red): New.
 123         (clast_expr_bin): New.
 124         (clast_pprint): New.
 125
 126 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 127
 128         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 129         compatible to newer CLooG releases (CLOOG_ORG).
 130         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 131         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 132         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 133         (build_cloog_prog) : New.
 134         (cloog_program_extract_scalars): New.
 135         (cloog_program_scatter): New.
 136
 137 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 138
 139         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 140         conditionally (CLOOG_ORG).
 141         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 142         (cloog_statement_usr): New.
 143         (cloog_domain): Same.
 144         (cloog_set_domain): Same.
 145         (cloog_next_domain): Same.
 146         (cloog_set_next_domain): Same.
 147         (cloog_program_nb_scattdims): Same.
 148         (cloog_program_set_nb_scattdims): Same.
 149         (cloog_program_names): Same.
 150         (cloog_program_set_names): Same.
 151         (cloog_program_set_context): Same.
 152         (cloog_program_set_loop): Same.
 153         (cloog_program_blocklist): Same.
 154         (cloog_program_set_blocklist): Same.
 155         (cloog_program_scaldims): Same.
 156         (cloog_program_set_scaldims): Same.
 157         (cloog_names_nb_parameters): Same.
 158         (cloog_names_set_nb_parameters): Same.
 159         (cloog_names_parameters): Same.
 160         (cloog_names_set_parameters): Same.
 161         (cloog_names_set_nb_iterators): Same.
 162         (cloog_names_set_iterators): Same.
 163         (cloog_names_set_nb_scattering): Same.
 164         (cloog_names_set_scattering): Same.
 165         (cloog_statement_set_usr): Same.
 166         (cloog_loop_set_next): Same.
 167         (cloog_loop_set_domain): Same.
 168         (cloog_loop_set_block): Same.
 169         (cloog_block_list_next): Same.
 170         (cloog_block_list_set_next):
 171         (cloog_block_list_set_block): Same.
 172
 173 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 174
 175         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 176         a bool.
 177         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 178         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 179         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 180         when something has been changed.
 181         (rewrite_commutative_reductions_out_of_ssa): Same.
 182
 183         * gcc.dg/graphite/id-26.c: New.
 184
 185 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 188         handle the case when def is in the sese region.
 189         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 190         for invariant expressions.
 191         (rewrite_cross_bb_phi_deps): Removed.
 192         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 193         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 194         rewrite_cross_bb_phi_deps.
 195
 196 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * graphite-sese-to-poly.c
 199         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 200         scev_analyzable_p only on is_gimple_reg
 201
 202         * gcc.dg/graphite/id-25.c: New.
 203
 204 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 205
 206         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 207         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 208         parametric expressions outside the scop region.
 209         (rewrite_cross_bb_scalar_deps): Same.
 210         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 211
 212         * gcc.dg/graphite/run-id-5.c: New.
 213         * gcc.dg/graphite/run-id-6.c: New.
 214         * gfortran.dg/graphite/id-21.f: New.
 215
 216 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 219         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 220
 221         * gcc.dg/graphite/id-24.c: New.
 222
 223 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 224
 225         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 226         instantiate default definitions.
 227
 228 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 229
 230         * graphite-scop-detection.c (is_valid_stmt_p): New.
 231         (is_valid_bb_p): New.
 232
 233 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 234             Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 237         (loop_exits_from_bb_p): New.
 238         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 239         (loop_exits_from_bb_p): Declared.
 240         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 241         loop_exits_to_bb_p.
 242
 243 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 244
 245         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 246         tree-data-ref.h.
 247         (dot_regions_1): New.
 248         (dot_regions): New.
 249         * refined-regions.h (dot_regions): Declared.
 250         * Makefile.in (refined-regions.o): Update dependences.
 251
 252 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 255         extra parameter for the region.  Call scev_analyzable_p.
 256         (rewrite_reductions_out_of_ssa): Update call to
 257         rewrite_close_phi_out_of_ssa.
 258         (rewrite_cross_bb_phi_deps): Same.
 259         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 260         parameter for the region.  Call scev_analyzable_p.
 261         (rewrite_commutative_reductions_out_of_ssa): Update call to
 262         rewrite_commutative_reductions_out_of_ssa_loop.
 263
 264 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 265
 266         * gcc.dg/tree-ssa/pr20742.c: New.
 267
 268 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 269
 270         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 271
 272         * gcc.dg/graphite/id-23.c: New.
 273
 274 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 275
 276         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 277         SSA scalar phi nodes that can be scev_analyzable_p.
 278
 279         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 280
 281 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 284         handle SSA_NAME_IS_DEFAULT_DEF.
 285
 286 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 287
 288         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 289
 290         * gcc.dg/graphite/pr42729.c: New.
 291
 292 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 295         case non close-phi nodes with one argument.
 296
 297 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 298
 299         * sese.h (scev_analyzable_p): Scevs could be expressions without
 300         chrecs and still be scev_analyzable_p.
 301
 302 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 305
 306 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 309         * cfgloop.h (struct loop): Remove single_iv field.
 310         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 311         (scop_canonicalize_loops): Removed.
 312         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 313         over all the loop phi nodes in loop->header.
 314         (build_poly_scop): Remove use of scop_canonicalize_loops.
 315
 316 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 317
 318         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 319         handle GIMPLE_CALL.
 320
 321 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 322
 323         * tree-chrec.c (chrec_apply): Should only apply to the specified
 324         variable.  Also handle multivariate chains of recurrences that
 325         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 326
 327 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 328
 329         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 330         (debug_clast_name_indexes_1): Removed.
 331         (debug_clast_name_indexes): Removed.
 332         (pbb_to_depth_to_oldiv): Removed.
 333         (build_iv_mapping): Replace the use of rename_map with iv_map.
 334         (translate_clast_user): Remove uses of rename_map.  Allocate and
 335         free iv_map.
 336         (translate_clast_for_loop): Remove uses of rename_map.
 337         (translate_clast_for): Same.
 338         (translate_clast_guard): Same.
 339         (translate_clast): Same.
 340         (gloog): Same.
 341         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 342         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 343         * sese.c (set_rename): Now static.
 344         (rename_variables_in_stmt): Removed.
 345         (rename_uses): New.
 346         (is_parameter): Removed.
 347         (is_iv): Removed.
 348         (expand_scalar_variables_call): Removed.
 349         (expand_scalar_variables_ssa_name): Removed.
 350         (expand_scalar_variables_expr): Removed.
 351         (expand_scalar_variables_stmt): Removed.
 352         (expand_scalar_variables): Removed.
 353         (rename_variables): Removed.
 354         (remove_condition): Removed.
 355         (get_true_edge_from_guard_bb): Removed.
 356         (get_false_edge_from_guard_bb): Removed.
 357         (struct igp): Removed.
 358         (default_before_guard): Removed.
 359         (convert_for_phi_arg): Removed.
 360         (add_guard_exit_phis): Removed.
 361         (insert_guard_phis): Removed.
 362         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 363         region.  Do not copy conditions.  Do not copy induction variables.
 364         Call rename_uses.
 365         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 366         the translated statement.  Use the iv_map for the induction
 367         variable renaming.
 368         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 369         (set_rename): Removed declaration.
 370         (scev_analyzable_p): ...here.
 371         * tree-chrec.c (chrec_apply_map): New.
 372         * tree-chrec.h (chrec_apply_map): Declared.
 373
 374 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 375
 376         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 377         insert_loop_close_phis.
 378         * sese.c (name_defined_in_loop_p): Removed.
 379         (expr_defined_in_loop_p): Removed.
 380         (alive_after_loop): Removed.
 381         (close_phi_not_yet_inserted_p): Removed.
 382         (struct alep): Removed.
 383         (add_loop_exit_phis): Removed.
 384         (insert_loop_close_phis): Removed.
 385
 386 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 387
 388         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 389         condition.
 390         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 391
 392 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * gfortran.dg/graphite/id-20.f: New.
 395
 396 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 397
 398         * graphite-cloog-util.h: Added cloog.h.
 399         * graphite-blocking.c: Removed cloog.h.
 400         * graphite-dependences.c: Same.
 401         * graphite-interchange.c: Same.
 402         * graphite-poly.c: Same.
 403         * graphite-ppl.c: Same.
 404         * graphite-scop-detection.c: Same.
 405         * graphite-sese-to-poly.c:
 406         Removed cloog.h.
 407         Removed graphite-clast-to-gimple.h.
 408         (check_poly_representation): Removed (unused).
 409         * graphite-sese-to-poly.h
 410         (check_poly_representation): Removed (unused).
 411
 412 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 413
 414         * Makefile.in
 415         (OBJS-common): Added graphite-cloog-util.o.
 416         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 417         (graphite-cloog-util.o): New.
 418         (graphite-ppl.o): Added graphite-cloog-util.h.
 419         * graphite-clast-to-gimple.c:
 420         Added graphite-cloog-util.h to include statements.
 421         * graphite-cloog-util.c: New.
 422         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 423         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 424         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 425         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 426         (ppl_Constrain_System_number_of_constraints): Same.
 427         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 428         (oppose_constraint): Same.
 429         (cloog_matrix_to_ppl_constraint): Same.
 430         (new_Constraint_System_from_Cloog_Matrix): Same.
 431         (insert_constraint_into_matrix): Same. Declared static.
 432         * graphite-cloog-util.h: New.
 433         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 434         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 435         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 436         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 437         (insert_constraint_into_matrix): Same.
 438         * graphite-ppl.c:
 439         Added graphite-cloog-util.h to include statements.
 440         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 441         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 442         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 443         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 444         (insert_constraint_into_matrix): Same.
 445         (ppl_Constrain_System_number_of_constraints): Same.
 446         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 447         (oppose_constraint): Same.
 448         (cloog_matrix_to_ppl_constraint): Same.
 449         (new_Constraint_System_from_Cloog_Matrix): Same.
 450         * graphite-ppl.h:
 451         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 452         graphite-cloog-util.h.
 453         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 454         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 455         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 456         (insert_constraint_into_matrix): Removed.
 457
 458 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 459
 460         * graphite-clast-to-gimple.c
 461         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 462         (precision_for_interval): Same.
 463         (gcc_type_for_interval): Same.
 464         (compute_type_for_level): Same.
 465         * graphite-interchange.c
 466         (lst_interchange_profitable_p): Same.
 467         * graphite-poly.c
 468         (psct_scattering_dim_for_loop_depth): Same.
 469         * graphite-ppl.c
 470         (ppl_max_for_le_pointset): Same.
 471         (ppl_min_for_le_pointset): Same.
 472
 473 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 474
 475         * refined-regions.c (bb_index_compare): New.
 476         (get_bbs_in_region): New.
 477         (print_bbs_in_region): New.
 478         (print_refined_region): Add an argument that allows to print
 479         all basic blocks contained in regions.
 480         (debug_refined_region): Update call to print_refined_region.
 481         * refined-regions.h (print_refined_region): Update declaration.
 482         (get_bbs_in_region): Declared.
 483         * graphite-scop-detection.c (build_scops_new): Print the refined
 484         region tree into the Grahite dump file.
 485
 486 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 487
 488         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 489         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 490
 491 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 494         rewrite_close_phi_out_of_ssa.
 495
 496         * gcc.dg/graphite/id-22.c: New.
 497
 498 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 501
 502 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 503
 504         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 505         rename_map.
 506         * sese.c (debug_rename_map): Same.
 507         (get_rename): Same.
 508         (set_rename): Same.
 509         (rename_variables_in_stmt): Same.
 510         (expand_scalar_variables_call): Same.
 511         (expand_scalar_variables_ssa_name): Same.
 512         (expand_scalar_variables_expr): Same.
 513         (expand_scalar_variables_stmt): Same.
 514         (expand_scalar_variables): Same.
 515         (rename_variables): Same.
 516         (graphite_copy_stmts_from_block): Same.
 517         (copy_bb_and_scalar_dependences): Same.
 518
 519 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         * graphite-clast-to-gimple.c (copy_renames): Removed.
 522         (translate_clast_for): Do not call copy_renames.
 523         (translate_clast_guard): Same.
 524
 525 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 528         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 529         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 530         before rewrite_cross_bb_scalar_deps.
 531
 532 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 535         Early return in when flag_associative_math is not set.
 536
 537 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 538
 539         * gcc.dg/graphite/run-id-2.c: Call abort.
 540
 541 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 544         of SSA copies on edges except for loop->latch.
 545
 546 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 549         Split out of rewrite_reductions_out_of_ssa.
 550         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 551         Declared.
 552         * graphite.c (graphite_transform_loops): Call it.
 553
 554 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 557
 558 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * passes.c (init_optimization_passes): Add pass_graphite.
 561         Schedule a pass_copy_prop before pass_graphite_transforms.
 562         * timevar.def (TV_GRAPHITE): Declared.
 563         * tree-pass.h (pass_graphite): Declared.
 564         * tree-ssa-loop.c (pass_graphite): New.
 565
 566         * gcc.dg/graphite/id-20.c: New.
 567
 568 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 571         Remove calls to rename_nb_iterations and rename_sese_parameters.
 572         * graphite-clast-to-gimple.h (gloog): Update declaration.
 573         * graphite.c (graphite_transform_loops): Update call to gloog.
 574         * sese.c (rename_variables_in_expr): Removed.
 575         (rename_nb_iterations): Removed.
 576         (rename_sese_parameters): Removed.
 577         * sese.h (rename_nb_iterations): Removed.
 578         (rename_sese_parameters): Removed.
 579
 580 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 581
 582         * graphite-clast-to-gimple.c (gloog): Remove call to
 583         sese_adjust_liveout_phis.
 584         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 585         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 586         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 587         rewrite_phi_out_of_ssa.
 588         * sese.c (get_vdef_before_sese): Removed.
 589         (sese_adjust_vphi): Removed.
 590         (sese_adjust_liveout_phis): Removed.
 591         * sese.h (sese_adjust_liveout_phis): Removed.
 592
 593 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 596         argument for the place after which to insert the out of SSA copy.
 597         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 598         (rewrite_phi_out_of_ssa): Same.
 599         (rewrite_cross_bb_scalar_deps): Same.
 600         (insert_copyout): Removed.
 601         (insert_copyin): Removed.
 602         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 603         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 604         insert_copyin.
 605
 606 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 609         (rewrite_reductions_out_of_ssa): Same.
 610         (rewrite_commutative_reductions_out_of_ssa): Same.
 611         (build_poly_scop): Do not call these functions.
 612         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 613         (rewrite_reductions_out_of_ssa): Declared.
 614         (rewrite_commutative_reductions_out_of_ssa): Declared.
 615         * graphite.c (graphite_transform_loops): Call on every scop
 616         rewrite_commutative_reductions_out_of_ssa before calling
 617         rewrite_reductions_out_of_ssa and build_scop_bbs.
 618
 619 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 620
 621         * graphite-dependences.c (dot_deps): Make system call to dotty run
 622         in background.
 623         (dot_deps_stmt): Same.
 624         * graphite-poly.c (dot_lst): Same.
 625
 626 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 627
 628         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 629         old_type in parameter.
 630         (gcc_type_for_value): Update call to gcc_type_for_interval.
 631         (compute_type_for_level_1): Renamed compute_type_for_level.
 632         Update call to gcc_type_for_interval.
 633
 634 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 635
 636         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 637         the scev analysis when the variable is not used outside the loop
 638         in a close phi node: call compute_overall_effect_of_inner_loop.
 639
 640 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 643         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 644         (build_sese_conditions_before): Renamed call to single_pred_cond.
 645         (build_sese_conditions_after): Same.
 646
 647 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 648
 649         * graphite-poly.h: Fix comments and indentation.
 650         * graphite-sese-to-poly.c: Same.
 651         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 652         * tree-chrec.c: Fix comments and indentation.
 653         (tree-ssa-loop-niter.c): Same.
 654
 655 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 656
 657         * refined-regions.c (create_region): Only initialize the region.
 658         (find_regions_with_entry): Initialize parent relation and bbmap
 659         correctly.
 660         (build_regions_tree): Set outermost_region to region instead of
 661         topmost_region.
 662         (calculate_region_tree): Remove unneeded parameters.
 663
 664 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 665
 666         * graphite-scop-detection.c (is_scop_p): New.
 667         (build_scops_new): New. A skeleton for the new scop detection.
 668         (build_scops_old): Renamed from build_scops.
 669         (build_scops): New version. Call the new and the old scop
 670         detection.
 671
 672 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 673             Antoniu Pop  <antoniu.pop@gmail.com>
 674
 675         * Makefile.in (OBJS-common): Add refined-regions.o.
 676         (refined-regions.o): New.
 677         (graphite-scop-detection.o): Use refined-regions.h.
 678         * graphite-scop-detection.c: Include refined-regions.h
 679         (build_scops): Also build the refined region tree.
 680         * refined-regions.c: New. Adds an algorithm to detect refined
 681         regions.
 682         (print_refined_region): New.
 683         (debug_refined_region): New.
 684         (refined_region_contains_bb_p): New.
 685         (refined_region_contains_region_p): New.
 686         (is_common_df): New.
 687         (struct find_regions_global_data): New.
 688         (is_region): New.
 689         (typedef struct bb_bb_def): New.
 690         (new_bb_bb_def): New.
 691         (bb_bb_map_hash): New.
 692         (eq_bb_bb_map): New.
 693         (find_new_bb): New.
 694         (bb_reg_def): New.
 695         (new_bb_reg_def): New.
 696         (bb_reg_map_hash): New.
 697         (eq_bb_reg_map): New.
 698         (find_new_region): New.
 699         (insert_new_reg): New.
 700         (insert_new_bb): New.
 701         (insert_shortcut): New.
 702         (get_next_postdom): New.
 703         (create_region): New.
 704         (find_regions_with_entry): New.
 705         (find_regions_adc): New.
 706         (find_regions): New.
 707         (get_topmost_parent): New.
 708         (build_regions_tree): New.
 709         (calculate_region_tree): New.
 710         (free_region_tree): New.
 711         * refined-regions.h: New.
 712         (struct refined_region): New.
 713         (calculate_region_tree): New.
 714         (free_region_tree): New.
 715         (refined_region_contains_bb_p): New.
 716         (refined_region_contains_region_p): New.
 717         (print_refined_region): New.
 718         (debug_refined_region): New.
 719
 720 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 721
 722         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 723         size_one_node.
 724
 725 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 728         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 729
 730 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 733         phi_arg_in_outermost_loop.
 734         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 735         (remove_invariant_phi): Same.
 736
 737 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 738
 739         * graphite-blocking.c
 740         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 741         * graphite-clast-to-gimple.c
 742         (clast_to_gcc_expression): Same.
 743         (precision_for_value): Same.
 744         (precision_for_interval): Same.
 745         (gcc_type_for_interval): Same.
 746         (graphite_create_new_guard): Same.
 747         (compute_bounds_for_level): Same.
 748         (graphite_create_new_loop_guard): Same.
 749         * graphite-interchange.c
 750         (build_linearized_memory_access): Same.
 751         (pdr_stride_in_loop): Same.
 752         (memory_strides_in_loop_1): Same.
 753         (memory_strides_in_loop): Same.
 754         (extend_scattering): Same.
 755         (psct_scattering_dim_for_loop_depth): Same.
 756         (pbb_number_of_iterations): Same.
 757         * graphite-poly.h
 758         (debug_iteration_domains): Same.
 759         * graphite-ppl.c
 760         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 761         (ppl_set_inhomogeneous_gmp): Same.
 762         (ppl_strip_loop): Same.
 763         (ppl_lexico_compare_linear_expressions): Same.
 764         (ppl_read_polyhedron_matrix): Same.
 765         (ppl_max_for_le_pointset): Same.
 766         * graphite-ppl.h
 767         (ppl_read_polyhedron_matrix): Same.
 768         (tree_int_to_gmp): Same.
 769         (gmp_cst_to_tree): Same.
 770         (ppl_set_inhomogeneous): Same.
 771         (ppl_set_inhomogeneous_tree): Same.
 772         (ppl_set_coef): Same.
 773         (ppl_set_coef_tree): Same.
 774         * graphite-sese-to-poly.c
 775         (build_pbb_scattering_polyhedrons): Same.
 776         (build_scop_scattering): Same.
 777         (scan_tree_for_params_right_scev): Same.
 778         (scan_tree_for_params): Same.
 779         (find_params_in_bb): Same.
 780         (find_scop_parameters): Same.
 781         (add_upper_bounds_from_estimated_nit): Same.
 782         (build_loop_iteration_domains): Same.
 783         (add_condition_to_domain): Same.
 784         (pdr_add_memory_accesses): Same.
 785
 786 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 787
 788         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
 789         CLooG's value_* macros to their respective mpz_* counterparts.
 790         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
 791         (graphite_create_new_loop_guard): Same.
 792         * graphite-interchange.c (build_linearized_memory_access): Same.
 793         (pdr_stride_in_loop): Same.
 794         (memory_strides_in_loop_1): Same.
 795         (1st_interchange_profitable_p): Same.
 796         * graphite-poly.c (extend_scattering): Same.
 797         (psct_scattering_dim_for_loop_depth): Same.
 798         (pbb_number_of_iterations): Same.
 799         (pbb_number_of_iterations_at_time): Same.
 800         * graphite-poly.h (new_1st_loop): Same.
 801         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
 802         (oppose_constraint): Same.
 803         (insert_constraint_into_matrix): Same.
 804         (ppl_set_inhomogeneous_gmp): Same.
 805         (ppl_set_coef_gmp): Same.
 806         (ppl_strip_loop): Same.
 807         (ppl_lexico_compare_linear_expressions): Same.
 808         (ppl_max_for_le_pointset): Same.
 809         (ppl_min_for_le_pointset): Same.
 810         (ppl_build_realtion): Same.
 811         * graphite-ppl.h (gmp_cst_to_tree): Same.
 812         (ppl_set_inhomogeneous): Same.
 813         (ppl_set_inhomogeneous_tree): Same.
 814         (ppl_set_coef): Same.
 815         (ppl_set_coef_tree): Same.
 816         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
 817         (build_scop_scattering): Same.
 818         (add_value_to_dim): Same.
 819         (scan_tree_for_params_right_scev): Same.
 820         (scan_tree_for_params_int): Same.
 821         (scan_tree_for_params): Same.
 822         (find_params_in_bb): Same.
 823         (find_scop_parameters): Same.
 824         (add_upper_bounds_from_estimated_nit): Same.
 825         (build_loop_iteration_domains): Same.
 826         (create_linear_expr_from_tree): Same.
 827         (add_condition_to_domain): Same.
 828         (pdr_add_memory_accesses): Same.
 829
 830 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         PR middle-end/43519
 833         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 834         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
 835         When converting an unsigned type to signed, double its precision.
 836         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
 837         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
 838         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
 839
 840 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         PR middle-end/43519
 843         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
 844         build_nonstandard_integer_type.
 845         (gcc_type_for_interval): Same.
 846
 847 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 848
 849         PR middle-end/43519
 850         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 851         POINTER_PLUS_EXPR for pointer types.
 852
 853         * gcc.dg/graphite/id-19.c: New.
 854
 855 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         PR middle-end/43519
 858         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
 859         * graphite-clast-to-gimple.c: Include langhooks.h.
 860         (max_signed_precision_type): New.
 861         (max_precision_type): Takes two types as arguments.
 862         (precision_for_value): New.
 863         (precision_for_interval): New.
 864         (gcc_type_for_interval): New.
 865         (gcc_type_for_value): New.
 866         (gcc_type_for_clast_term): New.
 867         (gcc_type_for_clast_red): New.
 868         (gcc_type_for_clast_bin): New.
 869         (gcc_type_for_clast_expr): Split up into several functions.
 870         (gcc_type_for_clast_eq): Rewritten.
 871         (compute_bounds_for_level): New.
 872         (compute_type_for_level_1): New.
 873         (compute_type_for_level): New.
 874         (gcc_type_for_cloog_iv): Removed.
 875         (gcc_type_for_iv_of_clast_loop): Rewritten.
 876         (graphite_create_new_loop): Compute the lower and upper bound types
 877         with gcc_type_for_clast_expr.
 878         (graphite_create_new_loop_guard): Same.
 879         (find_cloog_iv_in_expr): Removed.
 880         (compute_cloog_iv_types_1): Removed.
 881         (compute_cloog_iv_types): Removed.
 882         (gloog): Do not call compute_cloog_iv_types.
 883         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
 884         GBB_CLOOG_IV_TYPES.
 885         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
 886         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
 887         (GBB_CLOOG_IV_TYPES): Removed.
 888
 889         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
 890
 891 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         Reverted this commit: as at this point the loop closed SSA form
 894         is under a canonical form respecting the single argument condition.
 895         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 896         close phi nodes may have more than one argument.
 897
 898 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
 899
 900         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
 901         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
 902         (detect_commutative_reduction): Same.
 903
 904 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
 905
 906         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
 907         close phi nodes may have more than one argument.
 908
 909 2010-03-30  Richard Guenther  <rguenther@suse.de>
 910             Zdenek Dvorak  <ook@ucw.cz>
 911             Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         PR middle-end/43464
 914         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
 915         with multiple arguments.
 916         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
 917
 918 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 919
 920         * graphite-dependences.c (print_pddr): Call print_pdr with an
 921         extra argument.
 922         * graphite-poly.c (debug_pdr): Add an extra argument for the
 923         verbosity level.
 924         (print_pdr): Same.
 925         (print_pbb_domain): Same.
 926         (print_pbb): Same.
 927         (print_scop_context): Same.
 928         (print_scop): Same.
 929         (print_cloog): Same.
 930         (debug_pbb_domain): Same.
 931         (debug_pbb): Same.
 932         (print_pdrs): Same.
 933         (debug_pdrs): Same.
 934         (debug_scop_context): Same.
 935         (debug_scop): Same.
 936         (debug_cloog): Same.
 937         (print_scop_params): Same.
 938         (debug_scop_params): Same.
 939         (print_iteration_domain): Same.
 940         (print_iteration_domains): Same.
 941         (debug_iteration_domain): Same.
 942         (debug_iteration_domains): Same.
 943         (print_scattering_function): Same.
 944         (print_scattering_functions): Same.
 945         (debug_scattering_function): Same.
 946         (debug_scattering_functions): Same.
 947         * graphite-poly.h (debug_pdr): Update declaration.
 948         (print_pdr): Same.
 949         (print_pbb_domain): Same.
 950         (print_pbb): Same.
 951         (print_scop_context): Same.
 952         (print_scop): Same.
 953         (print_cloog): Same.
 954         (debug_pbb_domain): Same.
 955         (debug_pbb): Same.
 956         (print_pdrs): Same.
 957         (debug_pdrs): Same.
 958         (debug_scop_context): Same.
 959         (debug_scop): Same.
 960         (debug_cloog): Same.
 961         (print_scop_params): Same.
 962         (debug_scop_params): Same.
 963         (print_iteration_domain): Same.
 964         (print_iteration_domains): Same.
 965         (debug_iteration_domain): Same.
 966         (debug_iteration_domains): Same.
 967         (print_scattering_function): Same.
 968         (print_scattering_functions): Same.
 969         (debug_scattering_function): Same.
 970         (debug_scattering_functions): Same.
 971
 972 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 973
 974         * graphite-poly.c (print_scattering_function_1): New.
 975         (print_scattering_function): Call it.
 976         (print_scop_params): Remove spaces at the end of lines.
 977         (print_cloog): New.
 978         (debug_cloog): New.
 979         * graphite-poly.h (print_cloog): Declared.
 980         (debug_cloog): Declared.
 981
 982 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
 983
 984         * tree-ssa-copy.c: Revert this previous change:
 985         (init_copy_prop): Loop closed phi nodes cancontain more than one
 986         argument.
 987         (execute_copy_prop): Revert the previous change: do not call
 988         rewrite_into_loop_closed_ssa.
 989
 990 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
 991             Richard Guenther  <rguenther@suse.de>
 992
 993         PR middle-end/43464
 994         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
 995         contain more than one argument.
 996         (execute_copy_prop): Revert the previous change: do not call
 997         rewrite_into_loop_closed_ssa.
 998
 999         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1000         * gcc.dg/graphite/id-pr43464-1.c: New.
1001
1002 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         PR middle-end/43464
1005         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1006         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1007
1008         * gcc.dg/graphite/id-pr43464.c: New.
1009
1010 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1013         in loop->header.
1014         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1015         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1016         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1017         to switch between adding the IV bump in loop->latch or in loop->header.
1018
1019 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1020
1021         * passes.c (init_optimization_passes): Add pass_copy_prop
1022         after Graphite.
1023
1024 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1025
1026         * graphite-poly.c (print_scattering_function): Pretty print following
1027         the scoplib format.
1028         (print_pdr): Same.
1029         (print_pbb_domain): Same.
1030         (dump_gbb_cases): Same.
1031         (dump_gbb_conditions): Same.
1032         (print_pdrs): Same.
1033         (print_pbb): Same.
1034         (print_scop_params): Same.
1035         (print_scop_context): Same.
1036         (print_scop): Same.
1037         (print_pbb_body): New.
1038         (lst_indent_to): New.
1039         (print_lst): Start new lines with a #.
1040         * graphite-poly.h (pbb_bb): New.
1041         (pbb_index): Use pbb_bb.
1042         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1043         disjuncts.
1044         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1045
1046 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1047
1048         PR middle-end/43351
1049         * gcc.dg/graphite/id-pr43351.c
1050
1051 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1052
1053         PR middle-end/43354
1054         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1055         call insert_out_of_ssa_copy for default definitions.
1056         * gfortran.dg/graphite/id-pr43354.f: New.
1057
1058 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         PR middle-end/43349
1061         * gfortran.dg/graphite/pr43349.f: New.
1062
1063 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-clast-to-gimple.c (my_long_long): Defined.
1066         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1067         * graphite-sese-to-poly.c (my_long_long): Defined.
1068         (scop_ivs_can_be_represented): Use it.
1069
1070 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1073         graphite-max-bbs-per-function, and loop-block-tile-size.
1074         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1075         with "maximum".
1076         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1077
1078 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1081         forward declaration.
1082         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1083         (add_upper_bounds_from_estimated_nit): New.
1084         (build_loop_iteration_domains): Use it.
1085
1086 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1087
1088         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1089
1090 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1091
1092         PR middle-end/43306
1093         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1094         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1095         * gcc.dg/graphite/pr43306.c: New.
1096
1097 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * graphite.c (graphite_initialize): To bound the number of bbs per
1100         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1101         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1102         * doc/invoke.texi: Document it.
1103
1104 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1105
1106         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1107         * graphite-sese-to-poly.h (build_poly_scop): Same.
1108
1109 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1112         the number of parameters in the scop.  Use as an upper bound
1113         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1114         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1115         * doc/invoke.texi: Document it.
1116
1117 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * graphite-sese-to-poly.c (add_param_constraints): Use
1120         lower_bound_in_type and upper_bound_in_type.
1121
1122 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1125         instead of unsigned_type_node.
1126
1127 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1128             Reza Yazdani  <reza.yazdani@amd.com>
1129
1130         PR middle-end/43065
1131         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1132         on pointer type parameters.
1133
1134         * gcc.dg/graphite/run-id-4.c: New.
1135
1136 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         PR middle-end/43065
1139         * gcc.dg/graphite/run-id-3.c: New.
1140
1141 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1142             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1143
1144         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1145         handle conversions from pointer to integers.
1146         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1147         induction variable, to be able to work with code generated by CLooG.
1148         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1149         (build_poly_scop): Bail out if we cannot codegen a loop.
1150
1151 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1152
1153         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1154         code generation with gloog_error.
1155
1156 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1159         Call fold_convert on all the returned values.
1160         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1161         the type of the resulting expression.
1162
1163 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1166         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1167         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1168
1169 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-dependences.c (map_into_dep_poly): Removed.
1172         (dependence_polyhedron_1): Use combine_context_id_scat.
1173
1174 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1175
1176         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1177         (struct poly_bb): Same.
1178         (combine_context_id_scat): New.
1179
1180 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         PR middle-end/42326
1183         * sese.c (name_defined_in_loop_p): Return false for default
1184         definitions.
1185
1186         * gcc.dg/graphite/pr42326.c: New.
1187
1188 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1191         and clean up the logic.
1192
1193 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1194
1195         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1196         early return.
1197
1198 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         PR middle-end/43083
1201         * graphite-scop-detection.c (create_single_exit_edge): Move
1202         the call to find_single_exit_edge to....
1203         (create_sese_edges): ...here.  Don't handle multiple edges
1204         exiting the function.
1205         (build_graphite_scops): Don't handle multiple edges
1206         exiting the function.
1207
1208         * gcc.dg/graphite/pr43083.c: New.
1209
1210 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1211
1212         PR middle-end/43097
1213         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1214         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1215
1216         * gfortran.dg/graphite/pr43097.f: New.
1217
1218 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1219             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1220
1221         PR middle-end/43140
1222         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1223
1224 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1225
1226         PR middle-end/43026
1227         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1228
1229         * g++.dg/graphite/pr43026.C: New.
1230
1231 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1232
1233         * Merge from mainline (154736:156693).
1234
1235 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1236
1237         PR middle-end/43012
1238         * gcc.dg/graphite/pr43012.c: New.
1239
1240 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1243 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * g++.dg/graphite/pr42930.C: New.
1246
1247 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1248
1249         PR middle-end/42930
1250         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1251         graphite_can_represent_init for MULT_EXPR.
1252
1253 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1254
1255         PR middle-end/42914
1256         PR middle-end/42530
1257         * graphite-sese-to-poly.c (remove_phi): New.
1258         (translate_scalar_reduction_to_array): Call remove_phi.
1259
1260         * gcc.dg/graphite/pr42530.c: New.
1261         * gcc.dg/graphite/pr42914.c: New.
1262
1263 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         PR middle-end/42771
1266         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1267         * graphite-clast-to-gimple.h (gloog): Update declaration.
1268         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1269         * graphite-poly.h (struct poly_bb): Add missing comments.
1270         (struct scop): Add poly_scop_p field.
1271         (POLY_SCOP_P): New.
1272         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1273         * graphite.c (graphite_transform_loops): Build the polyhedral
1274         representation for each scop before code generation.
1275         * sese.c (rename_variables_in_operand): Removed.
1276         (rename_variables_in_expr): Return the renamed expression.
1277         (rename_sese_parameters): New.
1278         * sese.h (rename_sese_parameters): Declared.
1279
1280         * gcc.dg/graphite/pr42771.c: New.
1281
1282 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1285         return 0 from main.
1286         * gcc.dg/graphite/block-1.c: Same.
1287         * gcc.dg/graphite/block-3.c: Same.
1288         * gcc.dg/graphite/block-4.c: Same.
1289         * gcc.dg/graphite/block-5.c: Same.
1290         * gcc.dg/graphite/block-6.c: Same.
1291         * gcc.dg/graphite/block-7.c: Same.
1292         * gcc.dg/graphite/interchange-0.c: Same.
1293         * gcc.dg/graphite/interchange-1.c: Same.
1294         * gcc.dg/graphite/interchange-10.c: Same.
1295         * gcc.dg/graphite/interchange-11.c: Same.
1296         * gcc.dg/graphite/interchange-12.c: Same.
1297         * gcc.dg/graphite/interchange-2.c: Same.
1298         * gcc.dg/graphite/interchange-3.c: Same.
1299         * gcc.dg/graphite/interchange-4.c: Same.
1300         * gcc.dg/graphite/interchange-5.c: Same.
1301         * gcc.dg/graphite/interchange-6.c: Same.
1302         * gcc.dg/graphite/interchange-7.c: Same.
1303         * gcc.dg/graphite/interchange-8.c: Same.
1304         * gcc.dg/graphite/interchange-9.c: Same.
1305         * gcc.dg/graphite/interchange-mvt.c: Same.
1306
1307 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1308
1309         * gfortran.dg/graphite/id-19.f: New.
1310         * gfortran.dg/graphite/pr14741.f90: New.
1311         * gfortran.dg/graphite/pr41924.f90: New.
1312         * gfortran.dg/graphite/run-id-2.f90: New.
1313
1314 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         PR middle-end/42988
1317         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1318         to unknown_dependence.
1319         (graphite_legal_transform_dr): Handle the unknown_dependence.
1320         (graphite_carried_dependence_level_k): Same.
1321
1322 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1325
1326 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1327             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1328
1329         PR middle-end/42637
1330         * graphite-dependences.c (build_lexicographical_constraint): Return
1331         a union of dependence polyhedra.
1332         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1333
1334         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1335         * gcc.dg/graphite/block-4.c: Same.
1336         * gcc.dg/graphite/block-7.c: Same.
1337         * gcc.dg/graphite/interchange-12.c: Same.
1338         * gcc.dg/graphite/interchange-mvt.c: Same.
1339         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1340         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1341         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1342
1343 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1346         the execution check to FAIL.  This testcase is miscompiled by Graphite
1347         and the check should be re-enabled.
1348         * gcc.dg/graphite/interchange-mvt.c: Same.
1349         * gcc.dg/graphite/block-0.c: Same.
1350         * gcc.dg/graphite/block-4.c: Same.
1351         * gcc.dg/graphite/block-7.c: Same.
1352
1353 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1356         * gcc.dg/graphite/scop-0.c: Fix spaces.
1357         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1358         * gfortran.dg/graphite/block-2.f: Same.
1359         * gfortran.dg/graphite/block-3.f90: Same.
1360         * gfortran.dg/graphite/block-4.f90: Same.
1361         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1362         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1363
1364 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1365
1366         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1367         PDDR_ORIGINAL_SCATTERING_P.
1368         (pddr_is_empty): Rewritten.
1369         (print_dependence_polyhedron_layout): New.
1370         (print_pddr): New.
1371         (debug_pddr): New.
1372         (build_alias_set_powerset): Moved up.
1373         (poly_drs_may_alias_p): Moved up.
1374         (lexicographically_gt_p): Removed.
1375         (build_lexicographically_gt_constraint): Renamed
1376         build_lexicographical_constraint, reimplemented.
1377         (dependence_polyhedron_1): Simplified parameters.
1378         (dependence_polyhedron): Same.  Keep along empty PDDRs
1379         to make efficient use of the cache.
1380         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1381         (graphite_legal_transform_dr): Rewritten.
1382         (graphite_legal_transform_bb): Pass fewer arguments to
1383         graphite_legal_transform_dr.
1384         (graphite_carried_dependence_level_k): Simplified implementation.
1385         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1386         (dot_transformed_deps_stmt_1): Same.
1387         (dot_original_deps): Same.
1388         (dot_transformed_deps): Same.
1389         * graphite-dependences.h (struct poly_ddr): Added a new field
1390         original_scattering_p.
1391         (PDDR_ORIGINAL_SCATTERING_P): New.
1392         (print_pddr): Declared.
1393         (debug_pddr): Declared.
1394         * graphite-ppl.c: Clarify comment.
1395         * sese.h (print_gimple_bb): Removed unused declaration.
1396         (debug_gbb): Same.
1397
1398 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1399
1400         * g++.dg/graphite/graphite.exp: Rewritten.
1401         * gcc.dg/graphite/graphite.exp: Rewritten.
1402         * gfortran.dg/graphite/graphite.exp: Rewritten.
1403         * gcc.dg/graphite/block-0.c: Added runtime test.
1404         * gcc.dg/graphite/block-1.c: Same.
1405         * gcc.dg/graphite/block-3.c: Same.
1406         * gcc.dg/graphite/block-4.c: Same.
1407         * gcc.dg/graphite/block-5.c: Same.
1408         * gcc.dg/graphite/block-6.c: Same.
1409         * gcc.dg/graphite/block-7.c: Same.
1410         * gcc.dg/graphite/interchange-0.c: Same.
1411         * gcc.dg/graphite/interchange-1.c: Same.
1412         * gcc.dg/graphite/interchange-10.c: Same.
1413         * gcc.dg/graphite/interchange-11.c: Same.
1414         * gcc.dg/graphite/interchange-12.c: Same.
1415         * gcc.dg/graphite/interchange-2.c: Same.
1416         * gcc.dg/graphite/interchange-3.c: Same.
1417         * gcc.dg/graphite/interchange-4.c: Same.
1418         * gcc.dg/graphite/interchange-5.c: Same.
1419         * gcc.dg/graphite/interchange-6.c: Same.
1420         * gcc.dg/graphite/interchange-7.c: Same.
1421         * gcc.dg/graphite/interchange-8.c: Same.
1422         * gcc.dg/graphite/interchange-9.c: Same.
1423         * gcc.dg/graphite/interchange-mvt.c: Same.
1424         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1425
1426 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1427
1428         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1429           background.
1430
1431 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1432
1433         * common.opt: Add -fgraphite-cloog-opts.
1434         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1435         * opts.c (decode_options): Same.
1436
1437 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1438
1439         * gcc.dg/graphite/id-17.c: New.
1440         * gcc.dg/graphite/pr41888.c: New.
1441         * gcc.dg/graphite/scop-22.c: New.
1442         * gfortran.dg/graphite/pr40982.f90: New.
1443
1444 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-dependences.c: Clarify comments.
1447         (build_pddr): Add an extra parameter direction.
1448         (graphite_legal_transform_dr): Use build_pddr.
1449         (dot_original_deps_stmt_1): Update use of build_pddr.
1450         (dot_transformed_deps_stmt_1): Same.
1451         (dot_original_deps): Same.
1452         (dot_transformed_deps): Same.
1453
1454         * gcc.dg/graphite/interchange-12.c: New.
1455         * gcc.dg/graphite/block-7.c: New.
1456
1457 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1460         (pddr_transformed_scattering): Removed.
1461         (graphite_legal_transform_dr): Use build_pddr.
1462         (dot_original_deps_stmt_1): Same.
1463         (dot_transformed_deps_stmt_1): Same.
1464         (dot_original_deps): Same.
1465         (dot_transformed_deps): Same.
1466
1467 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1470         (build_lexicographically_gt_constraint): Same.
1471         (dependence_polyhedron_1): Same.
1472         (dependence_polyhedron): Same.
1473
1474 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1475
1476         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1477         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1478         (lexicographically_gt_p): Change type of direction to int.
1479         (build_lexicographically_gt_constraint): Same.
1480         (dependence_polyhedron_1): Same.
1481         (dependence_polyhedron): Same.
1482         (pddr_original_scattering): Use integers for direction.
1483         (pddr_transformed_scattering): Same.
1484         (graphite_legal_transform_dr): Same.
1485         (graphite_carried_dependence_level_k): Same.
1486
1487 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-dependences.c (build_pairwise_constraint): Renamed
1490         ppl_build_relation.  Moved...
1491         (dr_equality_constraints): Use ppl_build_relation.
1492         (build_pairwise_scheduling_equality): Same.
1493         (build_pairwise_scheduling_inequality): Same.
1494         * graphite-ppl.c (ppl_build_relation): ...here.
1495         * graphite-ppl.h (ppl_build_relation): Declared.
1496
1497 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         PR middle-end/42681
1500         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1501         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1502         Set gloog_error when such an expression failed to be built.
1503         (translate_clast): Early return when gloog_error is set.
1504         (gloog): Clear gloog_error.  When gloog_error is set, call
1505         set_ifsese_condition to enable the original code.  Return the status
1506         of the code generation based on gloog_error.
1507         * sese.c (set_ifsese_condition): New.
1508         * sese.h (set_ifsese_condition): Declared.
1509
1510         * g++.dg/graphite/pr42681.C: New.
1511
1512 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1513
1514         PR middle-end/42732
1515         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1516         rename_nb_iterations.
1517         * sese.c (rename_variables_in_operand): New.
1518         (rename_variables_in_expr): New.
1519         (rename_nb_iterations): New.
1520         (sese_adjust_liveout_phis): Update the rename_map.
1521         * sese.h (rename_nb_iterations): Declared.
1522         * tree-scalar-evolution.c (scev_reset_htab): New.
1523         (scev_reset): Call scev_reset_htab.
1524         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1525
1526         * gfortran.dg/graphite/pr42732.f: New.
1527
1528 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         PR middle-end/42393
1531         * graphite-clast-to-gimple.c: Fix formatting.
1532         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1533         (expr_defined_in_loop_p): New.
1534         (add_loop_exit_phis): Also handle full expressions: remove from
1535         the rename_map the expressions defined in the loop that we're closing.
1536
1537         * gfortran.dg/graphite/pr42393-1.f90: New.
1538         * gfortran.dg/graphite/pr42393.f90: Add new flags
1539         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1540         make this testcase useful in the Graphite branch.
1541
1542 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * graphite-scop-detection.c (exclude_component_ref): Removed.
1545         (is_simple_operand): Removed.
1546         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1547
1548 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1549
1550         PR middle-end/42221
1551         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1552         the array indexing of ADDR_EXPRs.
1553
1554         * gcc.dg/graphite/pr42221.c: New.
1555
1556 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         PR middle-end/42521
1559         * graphite.c (graphite_finalize): Call scev_reset.
1560         (graphite_transform_loops): Do not call scev_reset between the code
1561         generation of scops.
1562
1563         * gcc.dg/graphite/pr42521.c: New.
1564
1565 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1566
1567         * graphite-interchange.c (memory_stride_in_loop): Renamed
1568         pdr_stride_in_loop.
1569         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1570         (memory_strides_in_loop): Memoize the memory strides per loop.
1571         (lst_interchange_profitable_p): Do not initialize to zero the memory
1572         strides.
1573         * graphite-poly.h (struct lst): Add a field memory_strides.
1574         (LST_LOOP_MEMORY_STRIDES): New.
1575         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1576         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1577
1578 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1579
1580         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1581         memory_strides_in_loop.  Gather memory strides on a whole loop.
1582         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1583         (lst_interchange_profitable_p): Removed.
1584         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1585
1586 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1587
1588         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1589         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1590         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1591         Remove context_loop and level.
1592
1593 2010-01-07  Richard Guenther  <rguenther@suse.de>
1594
1595         PR tree-optimization/42641
1596         * sese.c (rename_map_elt_info): Use the SSA name version, do
1597         not hash pointers.
1598
1599 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1602         blocked" only when both the strip mine and the interchange have
1603         been applied.
1604
1605         * gcc.dg/graphite/block-2.c: Removed.
1606         * gcc.dg/graphite/block-3.c: Add scan pattern.
1607         * gcc.dg/graphite/block-4.c: Same.
1608         * gcc.dg/graphite/block-5.c: Same.
1609         * gcc.dg/graphite/block-6.c: Same.
1610
1611 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1612
1613         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1614         before allocating a new one.
1615         (copy_renames): Check that slot is not NULL.
1616         (mark_bb_with_pbb): Same.
1617         (compute_cloog_iv_types_1): Same.
1618         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1619         nest, and after LSTs.
1620         (lst_try_interchange_loops): Same.
1621
1622 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         PR middle-end/42178
1625         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1626         the before, nest, and after LSTs.
1627         (lst_try_interchange): Removed.
1628         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1629         were modified.
1630         (lst_interchange_select_outer): Apply interchange on the outer loop
1631         until there are no more changes in the inner loops.
1632
1633 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1634
1635         Revert patch fixing PR middle-end/42221.
1636
1637 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1638
1639         PR middle-end/42180
1640         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1641         GIMPLE_CALL.
1642
1643         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1644
1645 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1646
1647         PR middle-end/42180
1648         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1649         that contain only one statement.
1650
1651         * gfortran.dg/graphite/pr42180.f90: New.
1652
1653 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         PR middle-end/42393
1656         * gfortran.dg/graphite/pr42393.f90: New.
1657
1658 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         PR middle-end/42186
1661         * gfortran.dg/graphite/pr42186.f90: New.
1662
1663 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         PR middle-end/42205
1666         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1667         Insert the reduction copy in the same block as the phi node.
1668         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1669
1670         * gcc.dg/graphite/pr42205-1.c: New.
1671         * gcc.dg/graphite/pr42205-2.c: New.
1672
1673 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         PR middle-end/42221
1676         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1677         the array indexing of ADDR_EXPRs.
1678
1679         * gcc.dg/graphite/pr42221.c: New.
1680
1681 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         PR middle-end/42178
1684         PR middle-end/42334
1685         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1686         index.  Call lst_interchange_select_inner only once.
1687         (lst_interchange_select_inner): Update use of lst_try_interchange.
1688         (lst_interchange_select_outer): Update.
1689
1690 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         PR middle-end/42178
1693         PR middle-end/42334
1694         * graphite-interchange.c (lst_try_interchange): Do not increment the
1695         the OUTER index when there is no AFTER kernel.  Do not increment the
1696         OUTER index for after processing the AFTER kernel.
1697         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1698         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1699         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1700         (scop_do_interchange): Update use of lst_interchange_select_outer.
1701
1702         * gfortran.dg/graphite/graphite.exp
1703         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1704         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1705         the graphite dump file.
1706         * gfortran.dg/graphite/interchange-2.f: Same.
1707         * gfortran.dg/graphite/pr42334-1.f: New.
1708
1709 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         PR middle-end/42178
1712         PR middle-end/42334
1713         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1714         that are empty.
1715         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1716         (lst_try_interchange): Reimplemented.
1717         (lst_interchange_select_inner): Same.
1718         (lst_do_interchange): Renamed lst_interchange_select_outer.
1719         Reimplemented.
1720         (scop_do_interchange): Update use of lst_interchange_select_outer.
1721
1722         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1723         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1724         * gcc.dg/graphite/pr42211.c: New.
1725         * gfortran.dg/graphite/pr42334.f90: New.
1726
1727 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1728
1729         PR middle-end/42181
1730         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1731         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1732
1733         * gfortran.dg/graphite/pr42181.f90: New.
1734
1735 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1736
1737         PR middle-end/42284
1738         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1739         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1740         (detect_commutative_reduction_arg): Simplified.
1741         (detect_commutative_reduction): Early return when the argument of
1742         the close phi is not of an SSA_NAME.
1743
1744         * gcc.dg/graphite/pr42284.c: New.
1745
1746 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1747
1748         * dbgcnt.def (graphite_scop): New counter.
1749         * graphite.c: Include dbgcnt.h
1750         (graphite_transform_loops): Use new counter to limit transformations.
1751
1752 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1753
1754         PR middle-end/42285
1755         * graphite-scop-detection.c (graphite_can_represent_init): Also
1756         handle more complex MULT_EXPRs containing parameters by recursion
1757         on the structure.
1758
1759         * gfortran.dg/graphite/pr42285.f90: New.
1760
1761 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1762
1763         * g++.dg/graphite/pr42130.C: Fix type.
1764
1765 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1766
1767         * g++.dg/graphite/pr42130.C: Correct testcase.
1768
1769 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1770
1771         * Merge from mainline (154493:154734).
1772
1773 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1774
1775         * Merge from mainline (151362:154491).
1776
1777 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1778
1779         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1780         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1781
1782 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1783
1784         PR middle-end/42130
1785         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
1786         translate_clast_for_loop): New.
1787         (translate_clast_for): Add a condition around the loop, to do not
1788         execute loops with zero iterations.
1789         * g++.dg/graphite/pr42130.C: New.
1790         * gcc.dg/graphite/pr35356-2.c: Adapt.
1791
1792 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1793
1794         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1795         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1796         Remove context_loop and level.
1797
1798 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1799
1800         * graphite-clast-to-gimple.c (translate_clast_user,
1801         translate_clast_for, translate_clast_guard): Simplify and move common
1802         elements to translate_clast().
1803         (translate_clast): Simplify and get common elements.
1804
1805 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1806
1807         * graphite-clast-to-gimple.c (translate_clast_user,
1808         translate_clast_for, translate_clast_guard): Split out of
1809         translate_clast.
1810
1811 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
1812
1813         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
1814         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
1815         debug_clast_name_indexes_1, debug_clast_name_indexes,
1816         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
1817         (clast_name_to_gcc, clast_to_gcc_expression,
1818         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
1819         gcc_type_for_clast_eq, graphite_translate_clast_equation,
1820         graphite_create_guard_cond_expr, graphite_create_new_loop,
1821         translate_clast): Add params_index.
1822         (initialize_cloog_names): Create parameter strings from scratch, do
1823         not reference other strings.
1824         (create_params_index): New.
1825         (gloog): Initialize params_index.
1826         * graphite-scop-detection (free_scops_1): Removed.
1827         (limit_scops): Use normal free_scops.
1828         * graphite-sese-to-poly.c (save_var_names): Removed.
1829         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
1830         and SESE_PARAMS_INDEX.
1831         * sese.c (new_sese, free_sese): Dito.
1832         * sese.h (struct sese): Remove params_index, params_names.
1833         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
1834
1835 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         Revert the following patch from 2009-09-14:
1838         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1839         tree-scalar-evolution.h, and then tree-data-ref.h.
1840         * graphite-clast-to-gimple.c: Same.
1841         * graphite-dependences.c: Same.
1842         * graphite-interchange.c: Same.
1843         * graphite-poly.c: Same.
1844         * graphite-scop-detection.c: Same.
1845         * graphite-sese-to-poly.c: Same.
1846         * graphite.c: Same.
1847         * lambda-code.c: Same.
1848         * matrix-reorg.c: Same.
1849         * tree-data-ref.c: Same.
1850         * tree-if-conv.c: Same.
1851         * tree-loop-distribu: Same.: Same.
1852         * tree-loop-linear.c: Same.
1853         * tree-parloops.c: Same.
1854         * tree-predcom.c: Same.
1855         * tree-vect-patterns.c: Same.
1856
1857 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         Revert patch from 2009-09-14.
1860         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
1861         passes at -O1 and below.
1862
1863 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1864
1865         PR middle-end/40281
1866         * gcc.dg/graphite/pr40281.c: New.
1867
1868         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
1869         evolutions should not variate in inner loops.
1870
1871 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1872
1873         PR middle-end/42050
1874         * gfortran.dg/graphite/pr42050.f90: New.
1875
1876 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1877
1878         * graphite-interchange.c (memory_strides_in_loop_depth): New.
1879         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
1880
1881 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1882
1883         * graphite-blocking.c (scop_do_block): New.
1884         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
1885         * graphite-poly.h (scop_do_block): Declared.
1886
1887 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
1890         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
1891         to transform depth into the time_depth before calling
1892         pbb_number_of_iterations_at_time.
1893         (lst_do_strip_mine): Use a scalar variable instead of recomputing
1894         lst_depth.
1895
1896 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
1897
1898         Reverted the patch for "scattering permutations" from 2009-10-28.
1899
1900         * graphite-poly.c (print_permutation): New.
1901         (debug_permutation): New.
1902         (new_poly_bb): Initialize PBB_PERMUTATION.
1903         (free_poly_bb): Free PBB_PERMUTATION.
1904         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1905         (struct pbb_permutation_elt): New.
1906         (PBB_PERMUTATION_ELT_STRIDE): New.
1907         (PBB_PERMUTATION_ELT_STRIDED_P): New.
1908         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
1909         (new_pbb_permutation_elt): New.
1910         (pbb_permutation_elt_free): New.
1911         (struct poly_bb): Add field permutation.
1912         (PBB_PERMUTATION): New.
1913         (print_permutation): Declared.
1914         (debug_permutation): Declared.
1915
1916 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1917
1918         * graphite-interchange.c (build_partial_difference): New.
1919         (memory_stride_in_loop): Refactored the computation of
1920         equality constraints into build_partial_difference function.
1921         Added support for debugging stride computations.
1922
1923 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         * graphite-clast-to-gimple.c (gloog): Free if_region,
1926         if_region->true_region, and if_region->region.
1927         * sese.c (if_region_set_false_region): Free if_region->false_region.
1928         (create_if_region_on_edge): Do not use GGC_NEW.
1929         (move_sese_in_condition): Remove useless initialization.
1930
1931 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
1934         for the loops created by the loop distribution.  Do not modify the
1935         input LSTs.
1936         (lst_try_interchange_loops): Same.  Use a temporary LST for the
1937         transformed schedule.  Call lst_update_scattering before data
1938         dependence analysis.
1939         (lst_try_interchange): Pass an extra parameter INDEX.
1940         (lst_do_interchange_1): New.
1941         (lst_do_interchange): Call lst_do_interchange_1.
1942         (scop_do_interchange): Call lst_update_scattering.
1943         * graphite-poly.c (apply_poly_transforms): Do not call
1944         lst_update_scattering.
1945         * graphite-poly.h (lst_pred): New.
1946         (lst_succ): New.
1947         (lst_find_first_pbb): Return NULL when not found.
1948         (lst_empty_p): New.
1949         (lst_insert_in_sequence): Allow LST1 to be NULL.
1950         (lst_replace): New.
1951         (lst_substitute_3): New.
1952         * gcc.dg/graphite/interchange-1.c: XFail.
1953         * gcc.dg/graphite/interchange-8.c: XFail.
1954         * gcc.dg/graphite/interchange-11.c: XFail.
1955
1956 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * graphite-interchange.c (lst_perfectly_nested_p): New.
1959         (lst_perfect_nestify): New.
1960         (lst_try_interchange_loops): Call store_lst_schedule,
1961         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
1962         (scop_do_interchange): Avoid redundant legality test.
1963         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
1964         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
1965         * graphite-poly.h (psct_static_dim): New.
1966         (lst_dewey_number_at_depth): New.
1967         (lst_find_pbb): Restructured.
1968         (lst_find_first_pbb): Restructured.
1969         (lst_find_last_pbb): New.
1970         (lst_contains_p): New.
1971         (lst_contains_pbb): New.
1972         (lst_create_nest): New.
1973         (lst_remove_from_sequence): New.
1974         (pbb_update_scattering): New.
1975         (lst_update_scattering_under): New.
1976         (lst_update_scattering_seq): New.
1977         (lst_update_scattering): New.
1978         (lst_insert_in_sequence): New.
1979         (lst_distribute_lst): New.
1980         (lst_remove_all_before_including_pbb): New.
1981         (lst_remove_all_before_excluding_pbb): New.
1982
1983 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1984
1985         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
1986         get_loop_exit_edges.
1987
1988 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
1991
1992 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1993
1994         * graphite-poly.c (print_permutation): New.
1995         (debug_permutation): New.
1996         (new_poly_bb): Initialize PBB_PERMUTATION.
1997         (free_poly_bb): Free PBB_PERMUTATION.
1998         * graphite-poly.h (pbb_permutation_elt_p): Declared.
1999         (struct pbb_permutation_elt): New.
2000         (PBB_PERMUTATION_ELT_STRIDE): New.
2001         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2002         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2003         (new_pbb_permutation_elt): New.
2004         (pbb_permutation_elt_free): New.
2005         (struct poly_bb): Add field permutation.
2006         (PBB_PERMUTATION): New.
2007         (print_permutation): Declared.
2008         (debug_permutation): Declared.
2009
2010 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2011
2012         * graphite-clast-to-gimple.c (gloog): Do not call
2013         sese_reset_aux_in_loops.
2014         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2015         extra argument for domains.  Do not use loop->aux.
2016         (build_scop_iteration_domain): Initialize and free domains, pass it
2017         to build_loop_iteration_domains and extract the information from
2018         domains.  Do not use loop->aux.
2019         * sese.c (sese_reset_aux_in_loops): Removed.
2020         * sese.h (sese_reset_aux_in_loops): Removed.
2021
2022 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2025         (dependency_in_loop_p): Same.
2026         (translate_clast): Do not use loop->aux.  Initialize
2027         loop->can_be_parallel.
2028         (mark_loops_parallel): Removed.
2029         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2030         * graphite.c (free_aux_in_new_loops): Removed.
2031         (graphite_finalize): Do not call free_aux_in_new_loops.
2032         (graphite_transform_loops): Do not call mark_loops_parallel.
2033
2034 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2035
2036         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2037         (translate_clast): Pass an extra parameter LEVEL.
2038         Call get_scattering_level.
2039         * graphite-clast-to-gimple.h (get_scattering_level): New.
2040
2041 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2044         * cfgloop.h (struct loop): New field single_iv.
2045
2046         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2047         loop->aux anymore: use loop->single_iv.
2048         (graphite_loop_normal_form): Moved...
2049         (build_graphite_loop_normal_form): Removed.
2050         (gloog): Do not call build_graphite_loop_normal_form.
2051         (free_aux_in_new_loops): Moved...
2052         (mark_loops_parallel): Restructure.
2053         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2054         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2055         (scop_canonicalize_loops): New.
2056         (build_poly_scop): Call scop_canonicalize_loops.
2057         * graphite.c (free_aux_in_new_loops): ...here.
2058
2059 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * g++.dg/graphite/graphite.exp: Add the same rules as in
2062         gcc.dg/graphite/graphite.exp.
2063
2064 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * g++.dg/graphite/id-1.C: New.
2067
2068 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2071         argument base_name.
2072         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2073         (rewrite_phi_out_of_ssa): Same.
2074         (rewrite_cross_bb_scalar_deps): Same.
2075         (translate_scalar_reduction_to_array): Same.
2076
2077 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2078
2079         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2080         dump_alias_graphs.
2081
2082 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2083
2084         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2085         (build_scop_drs): Call dump_alias_graphs.
2086
2087 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2088
2089         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2090         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2091         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2092         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2093         * graphite-poly.h (free_lst): New.
2094         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2095         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2096
2097 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * graphite-poly.h (struct scop): Add a field saved_schedule.
2100         (SCOP_SAVED_SCHEDULE): New.
2101         (store_lst_schedule): New.
2102         (restore_lst_schedule): New.
2103         (store_scattering): Call store_lst_schedule.
2104         (restore_scattering): Call restore_lst_schedule.
2105
2106 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2109         (pdr_add_alias_set): Same.
2110         (build_poly_dr): Same.
2111         (build_alias_set_optimal_p): Same.
2112         (build_base_obj_set_for_drs): Same.  Do not store the result of
2113         graphds_dfs.
2114
2115 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2118         all_components_are_cliques to 1.
2119
2120 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2121
2122         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2123         the new structure.
2124         (pdr_add_alias_set): Update retrieving alias_set_num.
2125         (build_poly_dr): Update retrieving dr_base_object_set.
2126         (partition_drs_to_sets): Remove.
2127         (build_alias_set_optimal_p): New.
2128         (build_alias_set_for_drs): Rename.
2129         (build_scop_drs): Update.
2130         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2131         (ALIAS_SET_INDEX): Remove.
2132         (BASE_OBJECT_SET_INDEX): Remove.
2133
2134 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2135
2136         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2137
2138 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2141         loop upper bounds for 1-element arrays at end of structures.
2142         * tree-flow.h (array_at_struct_end_p): Declared.
2143         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2144
2145 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2146
2147         * g++.dg/graphite/pr41305.C: New.
2148
2149 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2150
2151         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2152         construction of parameter constraints from loop iteration analysis.
2153         * gcc.dg/graphite/run-id-2.c: New test.
2154
2155 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2158         and new_cstr.
2159
2160 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2161
2162         * graphite-dependences.c (dependence_polyhedron_1): Remove
2163         unused gdim dimensions from the DDR polyhedron.
2164
2165 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2166
2167         * graphite-dependences.c (pddr_transformed_scattering): New.
2168         (dot_original_deps_stmt_1): New.
2169         (dot_transformed_deps_stmt_1): New.
2170         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2171         dot_transformed_deps_stmt_1.
2172         (dot_original_deps): New.
2173         (dot_transformed_deps): New.
2174         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2175
2176 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * graphite-dependences.c (reduction_dr_1): Remove wrong
2179         assert: reduction BBs can have multiple reduction writes
2180         to memory.  interchange-3.f90 is an example.
2181
2182 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * gfortran.dg/graphite/interchange-3.f90: New.
2185
2186 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2187
2188         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2189
2190 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * graphite-dependences.c (dependence_polyhedron_1): Add the
2193         context to the dependence polyhedron.
2194
2195 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2196
2197         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2198         PBB_PDR_DUPLICATES_REMOVED.
2199         (new_poly_bb): Same.
2200
2201 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2202
2203         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2204         SCOP_CONTEXT.
2205         (build_loop_iteration_domains): Extract bounds on parameters
2206         based on the data size.
2207         (build_scop_context): Do not initialize SCOP_CONTEXT;
2208         add new constraints.
2209
2210 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2211
2212         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2213         * graphite-ppl.h (graphite-ppl.h): Declared.
2214
2215 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * graphite-ppl.c (ppl_print_linear_expr): New.
2218         (debug_ppl_linear_expr): New.
2219         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2220         (debug_ppl_linear_expr): Declared.
2221
2222 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224         * graphite-interchange.c: Fix comments.
2225         * gcc.dg/graphite/block-1.c: Fix comments.
2226
2227 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2230         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2231
2232 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         Reapply the patch from Alexander Monakov that disappeared during
2235         the last merges from trunk.
2236
2237         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2238
2239         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2240         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2241
2242 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2243
2244         * graphite-interchange.c (memory_stride_in_loop): The depth
2245         argument corresponds to a dynamic time dimension, so use
2246         psct_dynamic_dim to refer to the transformed scattering dimension.
2247
2248 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2251
2252 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2253
2254         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2255         root of the LST.
2256         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2257         the root of the LST.
2258         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2259         fake loop.
2260         (print_lst): Print the root of LST in a different format.
2261         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2262
2263 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2266
2267 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2268
2269         * doc/passes.texi: Document the Graphite infrastructure.
2270
2271 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2272
2273         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2274         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2275         and check the SSA representation.
2276
2277         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2278
2279 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2282
2283 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * gcc.dg/graphite/interchange-11.c: New.
2286
2287 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2290
2291 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2294         Add -fno-loop-strip-mine and -fno-loop-interchange.
2295         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2296         -fno-loop-strip-mine.
2297         * gfortran.dg/graphite/graphite.exp: Same.
2298
2299 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2302         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2303         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2304         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2305         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2306         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2307         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2308         DEFAULT_FLAGS_GRAPHITE_SCOP.
2309         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2310         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2311
2312 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2313
2314         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2315
2316 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2317             Sebastian Pop  <sebastian.pop@amd.com>
2318
2319         * graphite-interchange.c (build_linearized_memory_access): Pass an
2320         offset as parameter.
2321         (memory_stride_in_loop): Include transform scattering in the
2322         access functions to be able to querry the strides in the
2323         transformed loops.
2324         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2325         not the psct_iterator_dim.
2326
2327 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2328
2329         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2330         (lst_do_strip_mine_loop): New.
2331         (lst_do_strip_mine): New.
2332         (scop_do_strip_mine): Call lst_do_strip_mine.
2333         * graphite-poly.h (lst_add_loop_under_loop): New.
2334         (lst_find_first_pbb): New.
2335
2336 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * graphite-poly.c (loop_to_lst): Fix LST creation.
2339
2340 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2341
2342         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2343         sizeof(unsigned long) to make it run on 32bit systems.
2344
2345 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2348         SEGFAULT on 32bit.
2349
2350 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2351
2352         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2353         Comment.
2354         (write_alias_graph_to_ascii_dot): New.
2355         (write_alias_graph_to_ascii_ecc): Ditto.
2356         (partition_drs_to_sets): Add testing of optimality of current method
2357         which assigns alias numbers according to DFS Comopnent number.  used
2358         as heuristic for the upcoming ECC algorithm.
2359         (build_scop_drs): Write to file also with the ecc and dot format.
2360
2361 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * gfortran.dg/graphite/interchange-1.f: XFail.
2364
2365 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2366
2367         * graphite.c (graphite_initialize): Do not handle functions with
2368         more than 100 basic blocks.
2369
2370 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2371
2372         * graphite-blocking.c (pbb_do_strip_mine): Use
2373         PARAM_LOOP_BLOCK_TILE_SIZE.
2374
2375 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         * graphite-poly.c (dot_lst_1): New.
2378         (dot_lst): New.
2379         * graphite-poly.h (dot_lst): Declared.
2380
2381 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite-dependences.c (dot_deps_stmt_1): New.
2384         (dot_deps_stmt): New.
2385         * graphite-dependences.h (dot_deps_stmt): Declared.
2386
2387 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2388
2389         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2390         not replace cross BB scalar dependences ending on PHI nodes.
2391         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2392
2393 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-poly.c (apply_poly_transforms): Implement the high
2396         level driver for flag_loop_block.
2397         * opts.c (decode_options): Enable flag_loop_block at -O2.
2398         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2399         flag_loop_block.
2400
2401         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2402         -floop-block.
2403         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2404         Add -floop-block.
2405
2406 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-poly.h (lst_find_pbb): New.
2409         (find_lst_loop): New.
2410
2411 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2414         * graphite-poly.h (struct scop): Remove dep_graph field.
2415         (SCOP_DEP_GRAPH): Removed.
2416
2417 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-poly.h (copy_lst): Do full copy of LST.
2420
2421 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2424         when the loop stride is zero.
2425
2426         * gcc.dg/graphite/id-16.c: New.
2427
2428 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2429
2430         * graphite-dependences.c (reduction_dr_1): New.
2431         (reduction_dr_p): New.
2432         (graphite_legal_transform_dr): Call reduction_dr_p.
2433         (reduction_ddr): Renamed reduction_ddr_p.
2434         * graphite-poly.h (same_pdr_p): New.
2435         (number_of_write_pdrs): New.
2436         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2437         (split_reduction_stmt): Do not split reduction statements
2438         when there are no writes to memory.
2439         (translate_scalar_reduction_to_array_for_stmt): Insert the
2440         memory reduction statement just after the scalar reduction statement.
2441
2442         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2443         Un-XFAIL-ed.
2444         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2445         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2446
2447 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         * graphite-interchange.c (lst_apply_interchange): New.
2450         (lst_interchange_profitable_p): New.
2451         (lst_try_interchange_loops): New.
2452         (lst_try_interchange): New.
2453         (lst_do_interchange): New.
2454         (pbb_do_interchange): Removed.
2455         (scop_do_interchange): Call lst_do_interchange.
2456
2457 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2458
2459         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2460         SCOP_TRANSFORMED_SCHEDULE.
2461         (loop_to_lst): New.
2462         (scop_to_lst): New.
2463         (print_lst): New.
2464         (debug_lst): New.
2465         * graphite-poly.h (lst_p): New.
2466         (struct lst): New.
2467         (LST_LOOP_P): New.
2468         (LST_LOOP_FATHER): New.
2469         (LST_PBB): New.
2470         (LST_SEQ): New.
2471         (scop_to_lst): Declared.
2472         (print_lst): Declared.
2473         (debug_lst): Declared.
2474         (new_lst_loop): New.
2475         (new_lst_stmt): New.
2476         (copy_lst): New.
2477         (lst_depth): New.
2478         (lst_dewey_number): New.
2479         (struct scop): Add original_schedule and transformed_schedule fields.
2480         (SCOP_ORIGINAL_SCHEDULE): New.
2481         (SCOP_TRANSFORMED_SCHEDULE): New.
2482         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2483
2484 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2485
2486         * graphite-dependences.c (reduction_ddr): New.
2487         (graphite_legal_transform_bb): Call reduction_ddr.
2488         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2489         Initialize PBB_IS_REDUCTION.
2490         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2491         (PBB_IS_REDUCTION): New.
2492         (new_poly_bb): Update declaration.
2493         * graphite-scop-detection.h (build_scop_bbs): Removed.
2494         (nb_reductions_in_loop): Removed.
2495         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2496         parameter for reductions.
2497         (try_generate_gimple_bb): Update call to new_poly_bb.
2498         (build_scop_bbs_1): Same.
2499         (build_scop_bbs): Same.
2500         (gsi_for_phi_node): New.
2501         (scalar_close_phi_node_p): Remove gcc_assert.
2502         (split_reduction_stmt): New.
2503         (is_reduction_operation_p): New.
2504         (phi_contains_arg): New.
2505         (follow_ssa_with_commutative_ops): New.
2506         (detect_commutative_reduction_arg): New.
2507         (detect_commutative_reduction_assign): New.
2508         (follow_inital_value_to_phi): New.
2509         (edge_initial_value_for_loop_phi): New.
2510         (initial_value_for_loop_phi): New.
2511         (detect_commutative_reduction): New.
2512         (translate_scalar_reduction_to_array_for_stmt): New.
2513         (insert_copyout): New.
2514         (insert_copyin): New.
2515         (translate_scalar_reduction_to_array): New.
2516         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2517         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2518         (rewrite_commutative_reductions_out_of_ssa): New.
2519         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2520         * sese.h (split_region_for_bb): New.
2521
2522         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2523         * gcc.dg/graphite/interchange-1.c: Fix format.
2524         * gcc.dg/graphite/interchange-10.c: New.
2525
2526 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2527
2528         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2529         buggy assert.
2530
2531 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2534         (rewrite_cross_bb_scalar_dependence): New.
2535         (rewrite_cross_bb_scalar_deps): New.
2536         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2537         Call rewrite_cross_bb_scalar_deps.
2538
2539 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2540
2541         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2542         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2543         gsi_for_stmt.
2544
2545 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2548         * graphite-interchange.c (pbb_do_interchange): Same.
2549         * graphite-poly.c (print_scattering_function): Same.
2550         (debug_pdrs): Same.
2551         * graphite-poly.h (pbb_loop): New.
2552         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2553
2554 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2557
2558 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2561         so don't pass a pointer to it.
2562         (build_alias_set_for_drs): Same.
2563         (build_base_obj_set_for_drs): Same.
2564         (build_scop_drs): Same.
2565
2566 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2567
2568         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2569         the alias graph of data references.
2570
2571 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2572
2573         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2574         (build_scop_drs): When debugging, write the alias graph to file,
2575         otherwise, should be disabled.
2576
2577 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2578
2579         * Merge from mainline (151310:151361).
2580
2581 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * Merge from mainline (151171:151310).
2584
2585 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2586
2587         * Merge from mainline (151171:151806).
2588
2589 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * Revert the last commit.
2592
2593 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         * Merge from mainline (151171:151819).
2596
2597 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2600         (is_simple_operand): Remove call to stmt_simple_memref_p.
2601         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2602
2603 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2604
2605         * gcc.dg/graphite/interchange-mvt.c: New File.
2606         * gcc.dg/graphite/scop-dsyrk.c: New File.
2607         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2608         * gcc.dg/graphite/scop-mvt.c: New File.
2609         * gcc.dg/graphite/scop-sor.c: New File.
2610
2611 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2612
2613         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2614         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2615         (graphite_carried_dependence_level_k): Ditto.
2616         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2617         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2618         (new_poly_dr): Adjust declaration.
2619         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2620         (free_gimple_bb): Added free_data_refs_aux.
2621         (build_poly_dr): Add dr_base_object_set.
2622         (partition_drs_to_sets): New.
2623         (dr_same_base_object_p): New.
2624         (build_alias_set_for_drs): New.
2625         (build_base_object_set_for_drs): New.
2626         (build_scop_drs): Add build_base_obj_set_for_drs.
2627         * graphite-sese-to-poly.h: Added #define for alias set number index and
2628         base object set index.
2629         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2630         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2631
2632 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2633
2634         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2635         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2636
2637 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-sese-to-poly.c (struct irp_data): Removed.
2640         (idx_record_params): Removed.
2641         (find_params_in_bb): Scan for parameters the access functions; don't
2642         parse the tree representation.
2643
2644 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2645
2646         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2647         passes at -O1 and below.
2648
2649 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2652         tree-scalar-evolution.h, and then tree-data-ref.h.
2653         * graphite-clast-to-gimple.c: Same.
2654         * graphite-dependences.c: Same.
2655         * graphite-interchange.c: Same.
2656         * graphite-poly.c: Same.
2657         * graphite-scop-detection.c: Same.
2658         * graphite-sese-to-poly.c: Same.
2659         * graphite.c: Same.
2660         * lambda-code.c: Same.
2661         * matrix-reorg.c: Same.
2662         * tree-data-ref.c: Same.
2663         * tree-if-conv.c: Same.
2664         * tree-loop-distribu: Same.: Same.
2665         * tree-loop-linear.c: Same.
2666         * tree-parloops.c: Same.
2667         * tree-predcom.c: Same.
2668         * tree-vect-patterns.c: Same.
2669
2670 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         Partially revert the previous patch, except the following.
2673         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2674         as parameters the operands of the not expression.
2675
2676 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2679         Do not call analyze_scalar_evolution on assignments.
2680         (instantiate_scev_phi): Call analyze_scalar_evolution.
2681         (instantiate_scev_name): Call instantiate_scev_assign and
2682         instantiate_scev_phi.
2683         (instantiate_scev_not): Adapted to pass as parameters the operands
2684         of the not expression.
2685
2686 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2689         to pass as parameters the operands of the binary expression.
2690
2691 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2694         instantiate_scev_not.  Handle NEGATE_EXPR.
2695         (instantiate_scev_r): Handle NEGATE_EXPR.
2696
2697 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2700         instantiate_scev_r.
2701         (instantiate_scev_r): Move code in instantiate_scev_2
2702         and instantiate_scev_1.
2703
2704 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2705
2706         * tree-scalar-evolution.c (instantiate_scev_3): New.
2707         (instantiate_scev_1): Move code in instantiate_scev_3.
2708
2709 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2710
2711         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2712         (instantiate_scev_1): Move code in instantiate_scev_poly.
2713
2714 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2717         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2718
2719 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2720
2721         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2722         (instantiate_scev_1): Move code in instantiate_scev_convert.
2723
2724 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2725
2726         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2727         (instantiate_scev_1): Move code in instantiate_scev_binary.
2728
2729 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * tree-scalar-evolution.c (instantiate_scev_name): New.
2732         (instantiate_scev_1): Move code in instantiate_scev_name.
2733
2734 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2735
2736         * Merge from mainline (150992:151171).
2737
2738 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2741
2742 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-dependences.c (graphite_legal_transform_bb): Call
2745         pbb_remove_duplicate_pdrs.
2746         * graphite-poly.c (can_collapse_pdr): Removed.
2747         (pdr_find_duplicate): Removed.
2748         (can_collapse_pdrs): New.
2749         (pbb_remove_duplicate_pdrs): New.
2750         (new_poly_dr): Do not look for duplicates.
2751         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2752         (PBB_PDR_DUPLICATES_REMOVED): New.
2753         (pbb_remove_duplicate_pdrs): Declared.
2754
2755 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2756
2757         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2758         the strides by multiplying by PDR_NB_REFS.
2759         * graphite-poly.c (can_collapse_pdr): New.
2760         (pdr_find_duplicate): New.
2761         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2762         Initialize PDR_NB_REFS.
2763         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2764         (PDR_NB_REFS): New.
2765         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2766
2767 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         Revert one of the previous commits:
2770         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2771         the computation of symmetric data dependence relations.
2772         (dependency_between_pbbs_p): Same.
2773
2774 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2775
2776         PR middle-end/40965
2777         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2778         any transform.
2779
2780 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * graphite-dependences.c (pddr_original_scattering): Return NULL
2783         for read-read dependence relations.
2784         * graphite-poly.h (enum poly_dr_type): Fix comment.
2785         (pdr_read_p): New.
2786         (pdr_write_p): New.
2787         (pdr_may_write_p): New.
2788
2789 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2792         (struct poly_dr): Same.
2793         (new_poly_dr): Same.
2794         * graphite-poly.c (new_poly_dr): Same.
2795
2796 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2797             Sebastian Pop  <sebastian.pop@amd.com>
2798
2799         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2800         pbb_strip_mine_time_depth.  Changed the implementation so that
2801         transformation is expressed as a transformation on
2802         time (scatttering) dimensions.  Also, ensures that the 2d+1
2803         scheduling format is preserved.
2804         (pbb_strip_mine_profitable_p): Profitability is based on the
2805         iteration number of a given time (scattering) dimension,
2806         and not on a original loop depth dimension.
2807         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2808         (pbb_do_strip_mine): Call psct_dynamic_dim.
2809         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2810         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2811         (pbb_nb_dynamic_scattering_transform): New.
2812         (psct_dynamic_dim): New.
2813
2814 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2815
2816         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2817         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2818         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2819         * graphite-interchange.c (build_linearized_memory_access): Same.
2820         (memory_stride_in_loop): Same.
2821
2822 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2823
2824         * graphite-dependences.c (pddr_original_scattering): New.
2825         (graphite_legal_transform_dr): Call pddr_original_scattering.
2826         (dot_deps_1): New.
2827         (dot_deps): New.
2828         * graphite-dependences.h (dot_deps): Declared.
2829         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2830         (print_pdr): Print PDR_ID.
2831         * graphite-poly.h (struct poly_dr): Add field id.
2832         (PDR_ID): New.
2833         (pbb_index): New.
2834         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2835
2836 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2839         not delete the original dependence relation.
2840
2841 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2842
2843         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2844         the computation of symmetric data dependence relations.
2845         (dependency_between_pbbs_p): Same.
2846
2847 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2848
2849         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2850         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2851         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2852         (free_poly_ddr): New.
2853         (pddr_is_empty): New.
2854         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2855         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2856         Remove fprintfs.
2857         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2858         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2859         * graphite-dependences.h (enum poly_dependence_kind): New.
2860         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2861         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2862         (PDRP_SINK): Renamed PDDR_SINK.
2863         (PDRP_DDP): Renamed PDDR_DDP.
2864         (PDDR_KIND): New.
2865         (free_poly_ddr): Declared.
2866         * graphite-poly.c (new_scop): Use the new hash function names.
2867         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2868         into original_pddrs.
2869         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2870
2871 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * Merge from mainline (150764:150992).
2874
2875 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2878         bounds with LT_EXPR to make niter analysis more precise on code
2879         generated by Graphite.
2880
2881 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
2882
2883         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2884         (graphite_legal_transform_bb): Same.
2885         (poly_drs_may_alias_p): Same.
2886
2887 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         PR middle-end/40981
2890         * graphite-ppl.c (ppl_max_for_le): Correct the use of
2891         ppl_Pointset_Powerset_C_Polyhedron_maximize.
2892
2893 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * graphite-poly.c (print_pbb): Print PBB index.
2896
2897 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * Merge from mainline (r150672:150764).
2900
2901 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
2902
2903         * graphite-interchange.c (ppl_max_for_le): Moved...
2904         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
2905         * graphite-ppl.c (ppl_max_for_le): ... here.
2906         * graphite-ppl.h (ppl_max_for_le): Declared.
2907
2908 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * Merge from mainline (r150372:150672).
2911
2912 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         PR middle-end/40980
2915         * sese.c (convert_for_phi_arg): New.
2916         (add_guard_exit_phis): Use convert_for_phi_arg.
2917
2918         * gfortran.dg/graphite/id-17.f: New.
2919
2920 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2921
2922         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
2923         unknown subscript upper bounds.
2924
2925         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
2926
2927 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2928             Pranav Garg  <pranav.garg2107@gmail.com>
2929
2930         * graphite-interchange.c (gather_access_strides): Removed.
2931         (ppl_max_for_le): New.
2932         (build_linearized_memory_access): New.
2933         (memory_stride_in_loop): New.
2934         (pbb_interchange_profitable_p): Reimplemented.
2935         * graphite-ppl.h (ppl_new_id_map): New.
2936         (ppl_interchange): New.
2937
2938         * gcc.dg/graphite/interchange-6.c: XFAILed.
2939
2940 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         * graphite-interchange.c (compute_subscript): Removed.
2943         (compute_array_size_cstr): Removed.
2944         (compute_array_size_poly): Removed.
2945         (compute_array_size): Removed.
2946         (gather_access_strides_poly): Removed.
2947         (gather_access_strides): Empty.
2948
2949 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951         * graphite-dependences.c (dependence_polyhedron_1): Replace
2952         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
2953         (graphite_legal_transform_dr): Same.
2954         (graphite_carried_dependence_level_k): Same.
2955         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
2956         Initialize PDR_NB_SUBSCRIPTS.
2957         (print_pdr_access_layout): Replace pdr_nb_subscripts with
2958         PDR_NB_SUBSCRIPTS.
2959         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
2960         (PDR_NB_SUBSCRIPTS): New.
2961         (pdr_nb_subscripts): Removed.
2962         (pdr_dim): Simplified.
2963         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
2964         with PDR_NB_SUBSCRIPTS.
2965
2966 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite-interchange.c (compute_array_size): Remove use of
2969         PDR_DATA_CONTAINER.
2970         * graphite-poly.c (new_poly_dr): Remove argument data_container.
2971         Do not initialize PDR_DATA_CONTAINER.
2972         (print_pdr): Do not print PDR_DATA_CONTAINER.
2973         * graphite-poly.h (struct poly_dr): Remove data_container field.
2974         (PDR_DATA_CONTAINER): Removed.
2975         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
2976         PDR_DATA_CONTAINER.
2977         (build_poly_dr): Same.
2978
2979 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * gcc.dg/graphite/interchange-9.c: New.
2982
2983 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2984             Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
2987         copy of the dependence polyhedron.  Free the temporary objects.
2988         (graphite_carried_dependence_level_k): Free unused objects before
2989         returning.
2990
2991         * gcc.dg/graphite/interchange-1.c: XFAILed.
2992         * gcc.dg/graphite/interchange-2.c: XFAILed.
2993         * gcc.dg/graphite/interchange-3.c: XFAILed.
2994         * gcc.dg/graphite/interchange-4.c: XFAILed.
2995         * gcc.dg/graphite/interchange-7.c: XFAILed.
2996
2997 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3000         Early return without analyzing the data dependences if no
3001         transform has been done.  Call restore_scattering if the transform
3002         is not legal.
3003         (graphite-interchange.c): Same.
3004         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3005         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3006         (apply_poly_transforms): Do not gcc_assert that
3007         the transform is legal.
3008         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3009         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3010         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3011         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3012         * graphite-poly.h (struct poly_scattering): New.
3013         (struct poly_bb): Add original, transformed, and saved fields.
3014         Remove transformed_scattering, original_scattering, nb_local_variables,
3015         and nb_scattering_transform fields.
3016         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3017         (poly_scattering_new): New.
3018         (poly_scattering_free): New.
3019         (poly_scattering_copy): New.
3020         (store_scattering_pbb): New.
3021         (store_scattering): New.
3022         (restore_scattering_pbb): New.
3023         (restore_scattering): New.
3024         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3025         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3026
3027 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3028
3029         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3030         (print_scop): Same.
3031
3032 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * Makefile.in (graphite.o): Depends on PREDICT_H.
3035         * graphite.c: Include predict.h.
3036         (graphite_finalize): Call tree_estimate_probability.
3037         * predict.c (predict_loops): Do not call scev_initialize and
3038         scev_finalize.
3039         (tree_estimate_probability_bb): New.
3040         (tree_estimate_probability): Do not initialize loops: move that
3041         code to the driver.  Call tree_estimate_probability_bb.
3042         (tree_estimate_probability_driver): New.
3043         (pass_profile): Use tree_estimate_probability_driver.
3044         * predict.h (tree_estimate_probability): Declared.
3045
3046 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3047
3048         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3049         * graphite-dependences.c (graphite_legal_transform): Add time to
3050         TV_GRAPHITE_DATA_DEPS.
3051         (dependency_between_pbbs_p): Same.
3052         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3053
3054 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * Merge from mainline (r149952:150372).
3057
3058 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3061         * graphite-blocking.c: Same.
3062         * graphite-clast-to-gimple.c: Same.
3063         * graphite-dependences.c: Same.
3064         * graphite-poly.c: Same.
3065         * graphite-poly.h: Same.
3066         * graphite-ppl.c: Same.
3067         * graphite-scop-detection.c: Same.
3068         * graphite-sese-to-poly.c: Same.
3069         * graphite.c: Same.
3070
3071 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3072
3073         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3074         (remove_simple_copy_phi): New.
3075         (remove_invariant_phi): New.
3076         (simple_copy_phi_p): New.
3077         (reduction_phi_p): New.
3078         (gsi_for_ssa_name_def): New.
3079         (insert_out_of_ssa_copy): New.
3080         (insert_out_of_ssa_copy_on_edge): New.
3081         (create_zero_dim_array): New.
3082         (scalar_close_phi_node_p): New.
3083         (rewrite_close_phi_out_of_ssa): New.
3084         (rewrite_phi_out_of_ssa): New.
3085         (rewrite_reductions_out_of_ssa): New.
3086         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3087
3088         * gcc.dg/graphite/id-11.c: New.
3089         * gcc.dg/graphite/id-15.c: New.
3090         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3091         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3092         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3093         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3094         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3095         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3096         * gfortran.dg/graphite/id-13.f: New.
3097         * gfortran.dg/graphite/id-5.f: New.
3098
3099 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3100
3101         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3102         check that nb_reductions_in_loop is zero.
3103         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3104         reduction phi nodes.
3105         (nb_reductions_in_loop): Removed.
3106         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3107         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3108         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3109         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3110         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3111
3112 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3115         statements that have an empty iteration domain.
3116         * gfortran.dg/graphite/id-16.f: New.
3117
3118 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120         * tree-scalar-evolution.c (instantiate_scev_1): Return
3121         chrec_dont_know when the result is not above instantiate_below.
3122         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3123         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3124         the tree has a known scalar evolution.
3125         * gfortran.dg/graphite/id-14.f: New.
3126         * gfortran.dg/graphite/id-15.f: New.
3127
3128 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3129
3130         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3131         insert_gsi.
3132         (rename_variables): Keep inserting renames after the ones already
3133         inserted.
3134
3135 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3136
3137         * graphite-sese-to-poly.c (compare_bb_depths): New.
3138         (graphite_sort_dominated_info): New.
3139         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3140         (build_scop_scattering): Fix comment.
3141
3142 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3143
3144         * graphite.c (graphite_finalize): Call print_loops instead of
3145         dump_function_to_file.
3146         * gcc.dg/graphite/graphite.exp: Fix formatting.
3147         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3148         loops generated in the graphite output file.
3149         * gcc.dg/graphite/pr35356-2.c: New.
3150         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3151         * gfortran.dg/graphite/id-12.f: New.
3152
3153 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3154
3155         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3156         Remove 2 XFAIL.
3157
3158 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3159             Tobias Grosser  <grosser@fim.uni-passau.de>
3160
3161         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3162         alias set number build alias in ACCESSES polyhedron.
3163         (build_alias_set_for_drs): New.
3164         (build_pbb_drs): Added build_alias_set_for_drs.
3165         * graphite-dependences.c (poly_drs_may_alias_p): New.
3166         (graphite_carried_dependence_level_k): Check alias information
3167         before building polyhedron.
3168
3169 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3170
3171         * Makefile.in (lambda-code.o): Fix formatting.
3172
3173 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3174
3175         * Merge from mainline (r149350-149952)
3176
3177 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3178
3179         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3180         before interchange to prepare for loop blocking.
3181
3182 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3183
3184         * graphite-poly.c (apply_poly_transforms): Add checks after every
3185         transformation.
3186         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3187         done in apply_poly_transforms.
3188
3189 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3190
3191         * graphite-dependences.c (build_lexicographically_gt_constraint):
3192         Replace RES parameter with *RES.
3193         (dependence_polyhedron_1): Pass an address of the parameter RES
3194         instead of value of RES.
3195
3196 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite.c (graphite_finalize): Fix comment.
3199         (graphite_transform_loops): Reset scev info after code generation
3200         of each scop.
3201
3202 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3203
3204         * graphite.c (graphite_finalize): Call scev_reset.
3205
3206 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3209         GBB_CLOOG_IV_TYPES hash table twice.
3210         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3211         (add_condition_to_domain): Clear GMP values.
3212
3213 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         * graphite-dependences.c: Fix formatting.
3216         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3217         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3218         * graphite-sese-to-poly.c: Fix formatting.
3219         * graphite.c (graphite_transform_loops): Create the hash table
3220         after the early return.
3221
3222 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * gcc.dg/graphite/id-14.c: New.
3225         * gcc.dg/graphite/pr40157.c: New.
3226         * gfortran.dg/graphite/id-11.f: New.
3227
3228 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3229
3230         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3231         (build_poly_scop): Return false when there are no pbbs within
3232         loops to avoid to pass to cloog scops with no loops.
3233
3234 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3237         useless test "i % 2".
3238         (build_pbb_scattering_polyhedrons): Fix formatting.
3239         (build_poly_dr): Same.
3240         * graphite.c (graphite_transform_loops): Restructure.
3241
3242 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3243
3244         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3245         reduction_list parameter.
3246         (rewrite_all_phi_nodes_with_iv): Same.
3247         (canonicalize_loop_ivs): Same.
3248         * tree-parloops.c (struct brli): Removed.
3249         (build_reduction_list_info): Removed.
3250         (build_new_reduction): New.
3251         (analyze_reduction_list): Removed.
3252         (gather_scalar_reductions): Find reductions instead of phi
3253         nodes that can't be canonicalized.
3254         (try_create_reduction_list): Remove reduction_list parameter.
3255         (gen_parallel_loop): Same.
3256         (parallelize_loops): Remove analyze_reductions variable,
3257         initialization and free.
3258         Change reduction_list htab initialization to reduction_info
3259         elements instead of ssa names.
3260         Call try_create_reduction_list and gen_parallel_loop without
3261         analyzed_reduction argument.
3262         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3263         canonicalize_loop_ivs with one less argument.
3264         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3265
3266 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3267
3268         * graphite-dependences.c (new_poly_dr_pair): New.
3269         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3270         (new_poly_dr_pair): New.
3271         (eq_poly_dr_pair_p): New.
3272         (hash_poly_dr_pair_p): New.
3273         * graphite-dependences.h (struct poly_dr_pair): New.
3274         (eq_poly_dr_pair_p): Declared.
3275         (hash_poly_dr_pair_p): Declared.
3276         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3277         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3278         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3279         * Makefile.in (graphite-poly.o): Add dependence on
3280         graphite-dependences.h.
3281
3282 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3285         polynomials of degree > 1 pass to Graphite.
3286         * tree-chrec.c (scev_is_linear_expression): Call
3287         evolution_function_is_affine_multivariate_p.
3288         * gfortran.dg/graphite/id-10.f90: New.
3289
3290 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3291
3292         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3293         Instantiate scevs varying in outer loops.
3294         * gfortran.dg/graphite/id-9.f: Correct testcase.
3295
3296 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3297
3298         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3299         redundant constraint.
3300
3301 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * gcc.dg/graphite/graphite.exp: Fix comments.
3304         * gfortran.dg/graphite/graphite.exp: Trigger actions
3305         based on the file names as in the C testsuite.
3306         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3307         * gfortran.dg/graphite/block-2.f: Same.
3308         * gfortran.dg/graphite/block-3.f90: Same.
3309         * gfortran.dg/graphite/block-4.f90: Same.
3310         * gfortran.dg/graphite/id-1.f90: Same.
3311         * gfortran.dg/graphite/id-2.f90: Same.
3312         * gfortran.dg/graphite/id-3.f90: Same.
3313         * gfortran.dg/graphite/id-4.f90: Same.
3314         * gfortran.dg/graphite/id-6.f: Same.
3315         * gfortran.dg/graphite/id-9.f: Same.
3316         * gfortran.dg/graphite/interchange-1.f: Same.
3317         * gfortran.dg/graphite/interchange-2.f: Same.
3318         * gfortran.dg/graphite/scop-1.f: Same.
3319
3320 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3321
3322         * sese.c (expand_scalar_variables_call): New.
3323         (expand_scalar_variables_ssa_name): Handle calls in expander.
3324
3325 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3328         Expect to see the pattern twice.
3329         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3330         * gcc.dg/graphite/interchange-5.c: Same.
3331         * gcc.dg/graphite/interchange-6.c: Same.
3332
3333 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * gcc.dg/graphite/id-10.c: New.
3336         * gcc.dg/graphite/id-12.c: New.
3337         * gfortran.dg/graphite/id-7.f: New.
3338         * gfortran.dg/graphite/id-8.f: New.
3339
3340 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3343         zero.
3344
3345 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3348
3349 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3350
3351         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3352
3353 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3354
3355         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3356         building PDR subscripts.
3357
3358 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3359
3360         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3361         computation of array sizes.
3362
3363 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3364
3365         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3366
3367 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3368
3369         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3370         build_pairwise_constraint, dr_equality_constraints,
3371         build_pairwise_scheduling_equality,
3372         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3373         build_lexicographically_gt_constraint, dependence_polyhedron,
3374         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3375         Move from NNC_Polyhedron to C_Polyhedron.
3376         * graphite-interchange.c (compute_array_size_poly,
3377         gather_access_strides): Dito.
3378         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3379         free_scop, pbb_number_of_iterations): Dito.
3380         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3381         pbb_dim_iter_domain, struct scop): Dito.
3382         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3383         new_Cloog_Domain_from_ppl_Polyhedron,
3384         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3385         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3386         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3387         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3388         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3389         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3390         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3391         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3392         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3393         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3394         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3395         build_scop_iteration_domain, build_poly_dr): Dito
3396
3397 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3398
3399         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3400         run-id-*.c files.
3401         * gcc.dg/graphite/run-id-1.c: New.
3402
3403 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3404
3405         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3406         positivity constraint on the symbolic number of iterations.
3407
3408 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3409
3410         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3411
3412 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3413             Tobias Grosser  <grosser@fim.uni-passau.de>
3414
3415         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3416         (build_cloog_prog): Directly use SCOP_CONTEXT.
3417         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3418         (free_scop): Free SCOP_CONTEXT.
3419         (print_scop_context): New.
3420         (print_scop): Call print_scop_context.
3421         (debug_scop_context): New.
3422         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3423         (struct scop): Added field context.
3424         (SCOP_CONTEXT): New.
3425         * graphite-sese-to-poly.c (add_param_constraints): New.
3426         (build_scop_context): New.
3427         (build_poly_scop): Call build_scop_context.
3428
3429 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3432         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3433         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3434         * graphite-ppl.h: Include double-int.h and tree.h.
3435         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3436         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3437         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3438         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3439
3440 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3441
3442         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3443         POINTER_PLUS_EXPR for pointer types.
3444         (clast_to_gcc_expression): Same.
3445
3446 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         * graphite-poly.c (print_scattering_function): Early return when
3449         PBB_TRANSFORMED_SCATTERING is not initialized.
3450         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3451
3452 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3455         to fix bootstrap.
3456
3457 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3458
3459         * tree-parloops.c (analyze_reduction_list): Change return
3460         value to void.
3461         (try_create_reduction_list): Move the call to
3462         analyze_reduction_list to the beginining.
3463         Call reduction_phi with analyzed_reductions as argument
3464         instead of reduction_list.
3465
3466 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3467
3468         *  Merge from mainline (r148296:149346)
3469
3470 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite-scop-detection.c (graphite_can_represent_init): New.
3473         (graphite_can_represent_scev): Call graphite_can_represent_init:
3474         check that the initial value does not contain multiplications of
3475         parameters.
3476         (stmt_has_simple_data_refs_p): New.
3477         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3478         (is_simple_operand): Fix formatting.
3479         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3480
3481 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         * gcc.dg/graphite/id-13.c: New.
3484         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3485         analyze_scalar_evolution, use scalar_evolution_in_region.
3486         (scan_tree_for_params_right_scev): Add extra assert.
3487         (parameter_index_in_region_1): Split from parameter_index_in_region.
3488         (idx_record_params): Use scalar_evolution_in_region.
3489         (find_params_in_bb): Same.
3490         (find_scop_parameters): Same.
3491         (build_loop_iteration_domains): Same.
3492         (create_linear_expr_from_tree): Same.
3493         * sese.c (scalar_evolution_in_region): New.
3494         * sese.h (scalar_evolution_in_region): Declared.
3495         (defined_in_sese_p): New.
3496         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3497         static anymore.
3498         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3499         Declared.
3500
3501 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3504         TREE_DATA_REF_H also implies SCEV_H.
3505
3506 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3507
3508         * graphite-poly.c (print_scop_params): New.
3509         (print_scop): Call print_scop_params.
3510         (debug_scop_params): New.
3511         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3512
3513 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3514
3515         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3516         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3517         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3518         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3519         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3520         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3521
3522 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3523
3524         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3525         for dependency checking part.
3526         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3527         tests for dependency checking.
3528         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3529         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3530         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3531         flag -fdump-tree-graphite-all for autopar testsuites.
3532
3533 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3534
3535         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3536         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3537         canonicalize_loop_ivs): Moved...
3538         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3539
3540 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * tree-parloops.c (try_create_reduction_list): Pass an extra
3543         argument analyzed_reductions.  Call analyze_reduction_list.
3544         (gen_parallel_loop): Do not call analyze_reduction_list.
3545         (parallelize_loops): Init and finalize analyzed_reductions.
3546
3547 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3548
3549         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3550         Added flag -fno-loop-strip-mine for autopar testcase.
3551
3552 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3553
3554         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3555         transformed scattering dimension instead of unmatch orignal when
3556         calling dependence_polyhedron.
3557
3558 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3561
3562 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3565         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3566
3567 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3568
3569         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3570         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3571         * graphite-poly.c (pbb_number_of_iterations): New.
3572         * graphite-poly.h (pbb_number_of_iterations): Declared.
3573         (pbb_iterator_dim, pbb_parameter_dim): New.
3574
3575 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3576
3577         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3578         last commit on type of lower and upper bound of loops.
3579
3580 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3581
3582         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3583         graphite-dependences.h.
3584         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3585         (mark_bb_with_pbb): New.
3586         (get_stmtfor_depth): New.
3587         (find_pbb_via_hash): New.
3588         (dependency_in_loop_p): New.
3589         (mark_loops_parallel): New.
3590         (free_aux_in_new_loops): New.
3591         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3592         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3593         innermost loop parallel without checking.
3594         (gloog): Add parameter BB_PBB_MAPPING.
3595         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3596         (gloog): Change declaration.
3597         (mark_loop_parallel): Make extern.
3598         (free_aux_in_new_loops): Declare.
3599         (bb_pbb_map_hash): New.
3600         (eq_bb_pbb_map): New.
3601         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3602         auto parallelization when flag_graphite_force_parallel is set.
3603         (graphite_finalize): Added free_aux_in_new_loops.
3604         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3605         the innermost loop that marked parallel.  Use
3606         flag_graphite_force_parallel instead of loop->can_be_parallel.
3607         (loop_parallel_p): Move inner most checking out of function.
3608
3609 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3610
3611         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3612         type of lower and upper bound of loops signed long int.
3613
3614 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3615
3616         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3617         expression outside the loop.
3618
3619 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3620
3621         * gcc.dg/graphite/interchange-8.c: New.
3622
3623 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * gcc.dg/graphite/interchange-0.c: XFailed.
3626         * gcc.dg/graphite/interchange-5.c: XFailed.
3627         * gcc.dg/graphite/interchange-6.c: XFailed.
3628
3629 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3630
3631         * graphite-interchange.c (compute_array_size_poly): The end of the
3632         recursion should return 1.
3633
3634 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         * graphite-interchange.c (compute_array_size_cstr): Allow the
3637         subscript multiplier to be -1.
3638         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3639         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3640         data_container.  Initializes PDR_DATA_CONTAINER.
3641         (print_pdr_access_layout): New.
3642         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3643         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3644         data_container.
3645         (PDR_DATA_CONTAINER): New.
3646         (new_poly_dr): Update declaration.
3647         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3648         (build_poly_dr): Call pdr_add_data_dimensions.
3649
3650 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * graphite-poly.h (struct poly_dr): Fix comment.
3653         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3654         (pdr_add_memory_accesses): New.
3655         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3656
3657 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3660         (print_pbb): Add call to print_pdrs.
3661         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3662
3663 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3664             Li Feng <nemokingdom@gmail.com>
3665
3666         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3667         (dependency_between_pbbs_p): New.
3668         (lexicographically_gt_p): Assure !empty_p before polyhedron
3669         intersection assign.
3670         (build_lexicographically_gt_constraint): Correct lexicographically
3671         judging.
3672         * graphite-dependences.h: New.
3673         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3674
3675 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3678         (gloog): Print to dump_file the generated clast.
3679         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3680         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3681
3682 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         * graphite-poly.c (extend_scattering): Increment
3685         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3686
3687 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite-interchange.c (compute_array_size_poly): Added exit of
3690         recursion condition.  Continue iterating even after the first equality.
3691         (compute_array_size): Same.
3692
3693 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3694
3695         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3696         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3697         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3698         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3699         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3700
3701 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3704         only when the use verifies is_gimple_reg.
3705
3706 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3707
3708         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3709         Allocate scaldims after call to unify_scattering_dimensions.
3710
3711 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3712
3713         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3714
3715 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3716             Albert Cohen  <albert.cohen@inria.fr>
3717
3718         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3719         variables for the strip mining.
3720
3721 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3722             Pranav Garg  <pranav.garg2107@gmail.com>
3723
3724         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3725         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3726         (graphite-blocking.o): New rule.
3727         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3728         * graphite-blocking.c: New.
3729         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3730         flag_loop_strip_mine.
3731         (psct_scattering_dim_for_loop_depth): New.
3732         * graphite-poly.h (scop_do_strip_mine): Declared.
3733         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3734         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3735         flag_loop_strip_mine.
3736
3737 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3738
3739         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3740         a GMP value and a PPL coefficient at each iteration of a loop.
3741
3742 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3743
3744         * graphite-dependences.c (dependence_polyhedron): Do not use
3745         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3746         pbb_nb_scattering_transform.
3747         (graphite_legal_transform_dr): Same.
3748         * graphite-poly.c (extend_scattering): Same.
3749         (unify_scattering_dimensions): Same.
3750         (print_scattering_function): Same.
3751         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3752         PBB_NB_LOCAL_VARIABLES.
3753         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3754         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3755         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3756         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3757         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3758         (pbb_nb_scattering_transform): New.
3759         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3760         (psco_scattering_dim): Add assert on parameters.
3761         (psct_scattering_dim): Same.
3762         (psct_scattering_dim_for_loop_depth): Declared.
3763         (psct_local_var_dim): New.
3764         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3765         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3766         correct layout, call pbb_nb_local_vars.
3767         (psct_add_local_variable, psct_add_scattering_dimension): New.
3768         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3769         Initialize PBB_NB_SCATTERING_TRANSFORM.
3770
3771 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3774         (set_coef): Renamed ppl_set_coef.
3775         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3776
3777 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3778
3779         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3780         test a boolean against 1.
3781         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3782         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
3783         (pbb_do_interchange): Returns true when a transform has been performed.
3784         (scop_do_interchange): Same.
3785         * graphite-poly.c (apply_poly_transforms): Use the return value of
3786         scop_do_interchange.
3787         * graphite-poly.h (scop_do_interchange): Update declaration.
3788
3789 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3790
3791         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
3792         after last use.
3793         * sese.c (sese_reset_aux_in_loops): New.
3794         * sese.h (sese_reset_aux_in_loops): New.
3795
3796 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3797
3798         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
3799         multiplier and multiply the constant by the multiplier.
3800         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
3801         (build_poly_dr): Do not use the multiplier to define the subscript.
3802
3803 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3804
3805         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
3806         compiler's data reference.  Initialize PDR_CDR.
3807         (print_pdr): Call dump_data_reference.
3808         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
3809         Add compiler_dr field.
3810         (PDR_BB): Renamed PDR_PBB.
3811         (PDR_CDR): New.
3812         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
3813         GCC's data reference representation.
3814         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
3815         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
3816
3817 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         * graphite-poly.c (print_scattering_function): Also print the layout.
3820         * graphite-poly.h (pbb_nb_local_vars): New.
3821
3822 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         * graphite-poly.c (print_pbb_domain): Also print the layout names.
3825
3826 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite-poly.c (print_pdr, debug_pdr): New.
3829         * graphite-poly.h (print_pdr, debug_pdr): Declared.
3830         (PDR_BASE): Removed.
3831
3832 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
3835         ltrans-{1..6,8}.c.
3836
3837 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * graphite-interchange.c (compute_subscript): Allow also -1 in the
3840         subscript identification column.
3841         (pbb_do_interchange): Print to dump_file that some loops "will be
3842         interchanged".  Rely on that chain of characters in the testcases.
3843         * gcc.dg/graphite/interchange-0.c: New.
3844         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
3845         interchange-*.c files and compile them with -floop-interchange.
3846
3847 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
3848
3849         * graphite-interchange.c (interchange_profitable_p): Renamed
3850         pbb_interchange_profitable_p.
3851
3852 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3853             Harsha Jagasia  <harsha.jagasia@amd.com>
3854             Pranav Garg  <pranav.garg2107@gmail.com>
3855
3856         * graphite-interchange.c (interchange_profitable_p): Make static.
3857         (pbb_interchange_loop_depths, pbb_do_interchange,
3858         scop_do_interchange): New.
3859         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
3860         for flag_loop_interchange.
3861         * graphite-poly.h (scop_do_interchange): Declared.
3862         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
3863         flag_loop_interchange is used.
3864
3865 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * graphite-dependences.c (dependence_polyhedron): Update use of
3868         pbb_nb_scattering_dims.
3869         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
3870         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
3871         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
3872         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
3873
3874 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite.c: Cleanup foo.
3877
3878 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * Merge from mainline (r143684:148293).
3881         * Disabled libpcp until it gets fixed.
3882
3883 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
3884             Harsha Jagasia  <harsha.jagasia@amd.com>
3885
3886         * graphite-interchange.c: New.
3887         * Makefile.in (graphite-interchange.o): New.
3888         * graphite-poly.h (interchange_profitable_p): Declared.
3889         * graphite-ppl.h (value_max): New.
3890
3891 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3892
3893         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
3894         * graphite-poly.h: Fix some comments.
3895         (pdr_dim): New.
3896         (pdr_scop): New.
3897
3898 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
3899
3900         * graphite-poly.h
3901         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
3902         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
3903         (pdr_accessp_nb_params): Renamed pdr_nb_params.
3904         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
3905         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
3906         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
3907         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
3908         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
3909         * graphite-clast-to-gimple.c: Same.
3910         * graphite-dependences.c: Same.
3911         * graphite-poly.c: Same.
3912         * graphite-sese-to-poly.c: Same.
3913
3914 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
3917         expressions for an IV rename, as returned by clast_to_gcc_expression.
3918         (copy_renames): Rename new_name to expr.
3919         * sese.c (debug_rename_elt): Same.
3920         (get_rename): Same.
3921         (set_rename): Same.
3922         (sese_adjust_liveout_phis): Call force_gimple_operand before using
3923         the information from the rename map.
3924         (rename_variables_in_stmt): Same.
3925         (add_loop_exit_phis): Rename new_name to expr.
3926         (insert_loop_close_phis): Same.
3927         (add_guard_exit_phis): Same.  Call force_gimple_operand.
3928         * sese.h (struct rename_map_elt): Rename new_name to expr.
3929         (new_rename_map_elt): Same.
3930
3931 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3932
3933         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
3934         * sese.c (set_rename): Make it extern.
3935         * sese.h (set_rename): Declared.
3936
3937 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
3938
3939         * graphite-poly.c (extend_scattering): Free values.
3940         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
3941         Free iterators.
3942         (ppl_print_powerset_matrix): Same.
3943         * graphite-scop-detection.c (free_scops_1): New.
3944         (limit_scops): Call free_scops_1.
3945         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
3946         (build_poly_dr): Free PPL coefficients.
3947         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
3948
3949 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
3950
3951         * graphite-dependences.c: New.
3952         * graphite-data-ref.c: Removed.
3953         * graphite-data-ref.h: Removed.
3954         * Makefile.in (graphite-data-ref.o): Removed.
3955         (graphite-dependences.o): Added.
3956         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
3957         * graphite-poly.c: Same.
3958         Move the data dependence testing to graphite-dependences.c.
3959
3960 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3961
3962         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
3963         from graphite_cannot_represent_loop. Code refactored.
3964         (scopdet_basic_block_info): Call graphite_can_represent_loop.
3965
3966 2009-05-17  Li Feng  <nemokingdom@gmail.com>
3967
3968         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3969         Cover all the testcases (not only the filtered ones).
3970
3971 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3972
3973         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
3974         unnecessary check. Update comments. Move check for REAL_TYPE here.
3975         (harmful_stmt_in_bb): Remove checks for conditions. This is already
3976         done in (stmt_simple_for_scop_p).
3977
3978 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
3979
3980         * graphite.c (print_global_statistics): New.
3981         (print_graphite_scop_statistic): New.
3982         (print_graphite_statistics): New.
3983         (graphite_initialize, graphite_transform_loops): Print statistics.
3984         * graphite-scop-detection (build_scops): Print statistics.
3985         (print_graphite_scop_statistics): New.
3986         (print_graphite_statistics): New.
3987
3988 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
3991         (debug_clast_name_index): Removed.
3992         (debug_clast_name_indexes_1): Removed.
3993         (debug_clast_name_indexes): Removed.
3994         (clast_name_index_elt_info): Removed.
3995         (eq_clast_name_indexes): Removed.
3996         (clast_name_to_index): Removed.
3997         (new_clast_name_index): Removed.
3998         (save_clast_name_index): Removed.
3999         (save_var_name): Moved...
4000         (init_sese_params_index): Removed.
4001         (clast_name_to_gcc): Remove use of name_tree.
4002         (initialize_cloog_names): Same.
4003         (gloog): Do not call init_sese_params_index.
4004         * graphite-sese-to-poly.c (save_var_name): ...here.
4005         (parameter_index_in_region): New.
4006         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4007         (parameter_index_in_region): Removed.
4008         (is_parameter): Remove use of name_tree.
4009         * sese.h (struct name_tree): Removed.
4010         (struct sese): Remove use of name_tree.  New field params_names.
4011         (SESE_PARAMS_NAMES): New.
4012         (SESE_PARAMS): Remove duplicate.
4013         (parameter_index_in_region): Removed.
4014         (sese_nb_params): Remove use of name_tree.
4015         (struct clast_name_index): New.
4016         (new_clast_name_index): New.
4017         (clast_name_to_index): New.
4018         (save_clast_name_index): New.
4019         (debug_clast_name_index): New.
4020         (debug_clast_name_indexes_1): New.
4021         (debug_clast_name_indexes): New.
4022         (clast_name_index_elt_info): New.
4023         (eq_clast_name_indexes): New.
4024
4025 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4028         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4029         (graphite_loop_normal_form): Do not pass region.  Do not
4030         initialize SESE_OLDIVS.
4031         (build_graphite_loop_normal_form): Update call to
4032         graphite_loop_normal_form.
4033         * sese.c (debug_oldivs): Removed.
4034         (new_sese): Do not initialize SESE_OLDIVS.
4035         (free_sese): Do not free SESE_OLDIVS.
4036         (oldiv_for_loop): Removed.
4037         * sese.h (struct sese): Remove old_ivs.
4038         (SESE_OLDIVS): Removed.
4039         (oldiv_for_loop): Removed.
4040
4041 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4042
4043         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4044         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4045         replaced by a call to newivs_to_depth_to_newiv.
4046         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4047         (clast_to_gcc_expression_red): Same.
4048         (gcc_type_for_clast_expr): Same.
4049         (gcc_type_for_clast_eq): Same.
4050         (graphite_translate_clast_equation): Same.
4051         (graphite_create_guard_cond_expr): Same.
4052         (graphite_create_new_guard): Same.
4053         (graphite_create_new_loop): Same.
4054         (build_iv_mapping): Same.
4055         (translate_clast): Same.
4056         (gloog): Same.
4057         (loop_iv_stack_patch_for_consts): Removed.  *
4058         sese.c (iv_stack_entry_is_constant): Removed.
4059         (iv_stack_entry_is_iv): Removed.
4060         (loop_iv_stack_push_iv): Removed.
4061         (loop_iv_stack_insert_constant): Removed.
4062         (loop_iv_stack_pop): Removed.
4063         (loop_iv_stack_get_iv): Removed.
4064         (loop_iv_stack_get_iv_from_name): Removed.
4065         (debug_loop_iv_stack): Removed.
4066         (free_loop_iv_stack): Removed.
4067         (loop_iv_stack_remove_constants): Removed.  *
4068         sese.h (iv_stack_entry_kind): Removed.
4069         (iv_stack_entry_data_union): Removed.
4070         (iv_stack_entry_struct): Removed.
4071         (iv_stack_entry_p): Removed.
4072         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4073         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4074         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4075         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4076         (gbb_loop_at_index): Fix indenting.
4077         (gbb_loop_index): Removed.
4078
4079 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4080
4081         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4082         Call clast_name_to_index.
4083
4084 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4085
4086         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4087         do not pass params.  Get params from SESE_PARAMS.
4088         (clast_to_gcc_expression): Same.
4089         (clast_to_gcc_expression_red): Same.
4090         (gcc_type_for_clast_eq): Same.
4091         (graphite_translate_clast_equation): Same.
4092         (graphite_create_new_loop): Same.
4093         * sese.c (rename_variables_in_stmt): Fix comment.
4094
4095 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4096
4097         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4098         newivs_index.
4099         Call save_clast_name_index.
4100         (translate_clast): Pass newivs_index.
4101         (gloog): Create and free newivs_index.
4102
4103 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4104
4105         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4106         (clast_name_index_p): New type.
4107         (debug_clast_name_index): New.
4108         (debug_clast_name_indexes_1): New.
4109         (debug_clast_name_indexes): New.
4110         (clast_name_index_elt_info): New.
4111         (eq_clast_name_indexes): New.
4112         (clast_name_to_index): New.
4113         (new_clast_name_index): New.
4114         (save_clast_name_index): New.
4115         (init_sese_params_index): New.
4116         (gloog): Call init_sese_params_index.
4117         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4118         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4119         (free_sese): Free SESE_PARAMS_INDEX.
4120         * sese.h (struct sese): Add params_index.
4121         (SESE_PARAMS_INDEX): New.
4122
4123 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4124
4125         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4126         (graphite_create_new_loop): Pass the newivs vector.  Push the
4127         newly created IV to newivs.
4128         (translate_clast): Pass the newivs vector.
4129         (gloog): Create and destroy the newivs vector.
4130
4131 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4132
4133         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4134         (graphite_loop_normal_form): Initialize loop->aux with the unique
4135         IV that has been created.
4136
4137 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4138
4139         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4140         scev with parameters in the base part. They where forbidden
4141         exidently.
4142
4143 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4144
4145         * gcc.dg/graphite/graphite.exp: Set different default
4146         compile options by file names.
4147         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4148         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4149         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4150         * gcc.dg/graphite/scop-matmult.c: Ditto.
4151
4152 2009-05-08  Li Feng <nemokingdom@gmail.com>
4153
4154         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4155         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4156         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4157         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4158
4159 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4160
4161         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4162         by final cleanup.
4163
4164 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4165
4166         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4167         allow integer constant strides.
4168         (graphite_can_represent_expr): Depend on outermost_loop.
4169         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4170         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4171         build_scops_1): Same.
4172         (scopdet_basic_block_info): Same and insert layered SCoP
4173         detection.
4174         (try_generate_gimple_bb): Cleanup.
4175         (build_scops): Enable data references.
4176
4177         * gcc.dg/graphite/id-5.c: New.
4178         * gcc.dg/graphite/id-9.c: New.
4179         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4180         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4181
4182 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4183
4184         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4185         that we have not yet built for this SCoP.
4186
4187 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4188
4189         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4190         for complex numbers.
4191
4192 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4193
4194         * graphite-ppl.c: Fix build if cloog is not available.
4195
4196 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4197
4198         * tree-parloops.c (loop_parallel_p): Remove construction of
4199         NITER and REDUCTION_LIST.
4200         (try_get_loop_niter): New.
4201         (try_create_reduction_list): New.
4202         (parallelize_loops): Bypass the failed checkings in autopar
4203         when can_be_parallel in loop structure is set to true.
4204
4205 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4206
4207         * gcc.dg/graphite/id-6.c: Update testcase.
4208         * gcc.dg/graphite/scop-3.c: Dito.
4209
4210 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4211
4212         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4213         Enable EQ_EXPR and NE_EXPR again.
4214
4215 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4216
4217         * graphite-scop-detection.c (graphite_can_represent_scev):
4218         Add check if scev is affine multivariate.
4219         (harmful_stmt_in_bb): Check if we can represent the conditions.
4220         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4221         harmful_stmt_in_bb.
4222         * gcc.dg/graphite/id-7.c: New.
4223
4224 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4225
4226         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4227         Check all bbs in region, not only the bbs that are represented in
4228         GRAPHITE.
4229         (build_poly_scop): Add newline.
4230         * gcc.dg/graphite/id-8.c: New.
4231
4232 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4233
4234         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4235         when loop initialize.
4236         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4237         * common.opt: Declare flag_graphite_force_parallel.
4238         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4239         loop parallel.
4240         * graphite-poly.c (apply_poly_transforms): Introduce
4241         flag_graphite_force_parallel.
4242         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4243         * toplev.c (process_options): ditto and replace a not correctly
4244         encoded space.
4245
4246 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4247
4248         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4249         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4250         to the redefinition.
4251         (compute_cloog_iv_types_1): ditto.
4252         (build_iv_mapping): ditto.
4253         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4254         initialization.
4255         (free_gimple_bb): Removed GBB_LOOPS related free part.
4256         (build_bb_loops): Removed.
4257         * sese.h (struct gimple_bb): Removed loops.
4258         (GBB_LOOPS): Removed.
4259         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4260         (gbb_loop_index): ditto.
4261
4262 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4263
4264         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4265         allow non constant strides.
4266         * gcc.dg/graphite/scop-20.c: New.
4267
4268 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4269
4270         * graphite-scop-detection.c (dot_all_scops): Fix system call
4271         return value warning.
4272         (dot_scop): Same.
4273
4274 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4275
4276         * gcc.dg/graphite/id-6.c: Fix pattern.
4277         * gcc.dg/graphite/scop-3.c: Same.
4278
4279 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4280
4281         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4282         build_pairwise_constraint, dr_equality_constraints,
4283         build_pairwise_scheduling_equality,
4284         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4285         build_lexicographically_gt_constraint, dependence_polyhedron,
4286         graphite_legal_transform_dr, graphite_legal_transform_bb,
4287         graphite_legal_transform): New.
4288         * graphite-poly.h (graphite_legal_transform): Declared.
4289         * graphite-sese-to-poly.c (build_poly_scop): Call to
4290         graphite_legal_transform is disabled for the moment.
4291
4292 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4293
4294         * graphite-poly.h (pbb_nb_scattering_dims): New.
4295         (pbb_nb_scattering): Use it.
4296
4297 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4298
4299         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4300         Pointset_Powerset version of ppl_insert_dimensions.
4301         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4302
4303 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4304
4305         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4306
4307 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4308
4309         * graphite-poly.h: Fix comment.
4310
4311 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4314
4315 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4316
4317         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4318         statements.
4319
4320 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4321
4322         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4323         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4324         conditions.
4325
4326 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4327
4328         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4329         handle EQ_EXPR and NE_EXPR.
4330
4331 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4332
4333         * graphite-poly.h (poly_dr): Fix comment.
4334
4335 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4336             Tobias Grosser  <grosser@fim.uni-passau.de>
4337
4338         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4339         with a zero dimension polyhedron.
4340         (find_scop_parameters): Move the call to scop_set_nb_params here.
4341         (build_loop_iteration_domains): Store in loop->aux the iteration
4342         domain polyhedron.
4343         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4344         by any loop in scop.
4345         (build_poly_scop): Do not call scop_set_nb_params.
4346
4347 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4348             Tobias Grosser  <grosser@fim.uni-passau.de>
4349
4350         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4351         add_condition_to_domain not GT_EXPR.
4352
4353 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4354
4355         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4356         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4357         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4358         upper_bound_assign to calculate unions.
4359         * gcc.dg/graphite/id-6.c: New.
4360
4361 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4362
4363         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4364         handle abnormal edges.
4365
4366 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4367
4368         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4369         (free_poly_bb): Also free poly_drs.
4370         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4371         (poly_dr): Polyhedron to Pointset_Powerset.
4372         (pdr_accessp_nb_subscripts): Same.
4373         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4374         poly_drs.
4375
4376 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4377
4378         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4379         names into more meaningful names.
4380
4381 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4382
4383         * gfortran.dg/graphite/interchange-1.c: New.
4384         * gfortran.dg/graphite/interchange-2.c: New.
4385
4386 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4387
4388         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4389         the reduction_list.
4390         * tree-parloops.c (rewrite_phi_with_iv): New.
4391         (rewrite_all_phi_nodes_with_iv): New.
4392         (canonicalize_loop_ivs): Call them.
4393
4394 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4395
4396         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4397         graphite_find_data_references_in_stmt.
4398         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4399         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4400
4401 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4404
4405 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4406
4407         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4408         instead of bb_in_region.
4409         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4410         (build_sese_conditions): Use flag_bb_in_sese.
4411         * sese.c (register_bb_in_sese): Removed.
4412         (new_sese): Remove initialization of SESE_REGION_BBS.
4413         (free_sese): Do not free SESE_REGION_BBS.
4414         * sese.h (struct sese): Remove field region_basic_blocks.
4415         (SESE_REGION_BBS): Removed.
4416         (bb_in_sese_p): Implement in function of bb_in_region.
4417
4418 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4419
4420         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4421         loops.
4422
4423 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4424
4425         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4426         and EQ_EXPR.
4427         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4428         (add_condition_to_domain): New.
4429         (add_condition_to_pbb): New.
4430         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4431         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4432
4433 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4434
4435         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4436         ppl_Pointset_Powerset.
4437         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4438         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4439         (pbb_nb_loops): Same.
4440         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4441         add_conditions_to_domain): Same.
4442         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4443         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4444         ppl_const_Polyhedron_t.
4445         (ppl_print_powerset_matrix): New.
4446         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4447         ppl_print_powerset_matrix): New.
4448         (ppl_print_polyhedron_matrix): Updated.
4449
4450 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4451
4452         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4453
4454 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4455
4456         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4457         (print_iteration_domains, debug_iteration_domain,
4458         debug_iteration_domains): New.
4459         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4460         debug_iteration_domains): Declared.
4461         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4462         indenting.
4463
4464 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4465             Sebastian Pop  <sebastian.pop@amd.com>
4466
4467         * graphite-poly.h (print_iteration_domain): New.
4468         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4469         (build_sese_conditions_1, build_sese_conditions_after,
4470         build_sese_conditions_before): New.
4471         (build_sese_conditions): Rewritten.
4472
4473 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4474             Tobias Grosser  <grosser@fim.uni-passau.de>
4475
4476         Cleanup of code generation liveouts.
4477         * graphite-clast-to-gimple.c (translate_clast): Use a single
4478         rename_map instead of one per translated statement.
4479         Do not use SESE_LIVEOUT_RENAMES.
4480         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4481         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4482         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4483         phi node of a reduction: when a loop contains a reduction used outside
4484         the loop, there should be a scalar close phi node on the exit block.
4485         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4486         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4487         (free_sese): Do not free them.
4488         (sese_build_liveouts_use): Do not use them.
4489         (sese_build_liveouts_bb): Same.
4490         (sese_build_liveouts): Same.
4491         (sese_insert_phis_for_liveouts): Same.
4492         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4493         (defined_in_loop_p): New.
4494         (alive_after_loop): New.
4495         (close_phi_not_yet_inserted_p): New.
4496         (struct alep, alep_p): New.
4497         (add_loop_exit_phis): Remove from the rename_map all the names defined
4498         in the code generated loop.
4499         (insert_loop_close_phis): Traverse the rename_map passed to it.
4500         Don't use SESE_LIVEOUT_RENAMES.
4501         (default_liveout_before_guard): Renamed default_before_guard.
4502         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4503         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4504         (register_sese_liveout_renames): Removed.
4505         (copy_bb_and_scalar_dependences): Do not call it.
4506         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4507         reduction_list.
4508         (SESE_LIVEOUT): Removed.
4509         (SESE_LIVEOUT_RENAMES): Removed.
4510         (SESE_REDUCTION_LIST): Removed.
4511         (sese_build_liveouts): Removed.
4512         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4513         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4514         (insert_guard_phis): Same.
4515         (rename_map_elt): Declare a VEC of them.
4516         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4517         trees not pointers to trees.
4518
4519         Rewrite in canonical close SSA form:
4520         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4521         (limit_scops): Close the scop after the block containing the close phi
4522         nodes.
4523         (canonicalize_loop_closed_ssa): New.
4524         (canonicalize_loop_closed_ssa_form): New.
4525         (build_scops): Call canonicalize_loop_closed_ssa_form.
4526
4527         * graphite-sese-to-poly.c: Fix typos.
4528
4529 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4530
4531         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4532         Extended.
4533         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4534         (print_pbb): Add conditions.
4535
4536 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4537             Sebastian Pop  <sebastian.pop@amd.com>
4538
4539         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4540         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4541         (build_scop_bbs_1): New.
4542         (build_scop_bbs): Rewrite.
4543         * sese.h (bb_in_region): New.
4544
4545 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4546
4547         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4548         poly_drs vector.
4549         (print_scop): Style.
4550         * graphite-poly.h (poly_bb): Add drs vector.
4551         (PBB_DRS): Add accessor.
4552         * graphite-sese-to-poly.c (build_poly_dr): New.
4553         (build_pbb_drs, build_scop_drs): New.
4554         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4555
4556 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4557
4558         * tree-ssa-loop.c: Include forgotten toplev.h
4559
4560 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4561
4562         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4563         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4564         * gcc.dg/graphite/pr37928.c: Same
4565         * gcc.dg/graphite/pr38409.c: Same
4566         * gcc.dg/graphite/pr38498.c: Same
4567         * gcc.dg/graphite/pr38559.c: Same
4568         * gcc.dg/graphite/pr39335.c: Same
4569         * gcc.dg/graphite/pr39335_1.c: Same
4570         * gfortran.dg/graphite/block-2.f: Same
4571         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4572         with -floop-*.
4573
4574 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4575
4576         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4577         build_access_matrix, build_scop_data_accesses): Remove access function
4578         building. (We get a new version soon).
4579         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4580         * sese.h (nb_loops_around_loop_in_sese): Remove.
4581         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4582
4583 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4584             Sebastian Pop  <sebastian.pop@amd.com>
4585
4586         * graphite-scop-detection.c (struct scopdet_info): Rename last
4587         field to exit.
4588         (scopdet_basic_block_info, build_scops_1): Don't use
4589         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4590
4591 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4592             Sebastian Pop  <sebastian.pop@amd.com>
4593
4594         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4595         * sese.c (sese_build_liveouts_use): Renamed from
4596         sese_build_livein_liveouts_use. Remove liveins.
4597         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4598         Call sese_build_liveouts_use.
4599         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4600         Call sese_build_liveouts_bb.
4601         (new_sese, free_sese): Remove liveins.
4602         (sese_add_exit_phis_var): Deleted.
4603         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4604         directly.
4605         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4606
4607         * sese.h (sese): Remove num_ver and livein.
4608         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4609
4610 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4611
4612         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4613
4614 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4615
4616         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4617         (build_scop_scattering): Do not use compare_prefix_loops any more.
4618         (nb_common_loops): New.
4619
4620 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4623         (register_old_and_new_names): Renamed set_rename.
4624
4625 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4626
4627         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4628         of the decl from the previous commit.
4629
4630 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4631
4632         * graphite-scop-detection.c (dot_scop): New.
4633         * graphite-scop-detection.h (dot_scop): Declared.
4634
4635 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4636
4637         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4638
4639 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4640
4641         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4642         condition at the end of the loop.
4643         * graphite.c (graphite_initialize, graphite_finalize): Print to
4644         dump_file the compiled function.
4645         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4646         of create_empty_loop_on_edge.
4647         (translate_clast): Update the code generation of loops for the new
4648         shape of loops.
4649         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4650
4651 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         Reverted the patch from 2009-03-19.
4654
4655 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4656
4657         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4658         poly_drs vector.
4659         (print_scop): Style.
4660         * graphite-poly.h (poly_bb): Add drs vector.
4661         (PBB_DRS): Add accessor.
4662         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4663         (build_access_matrix_with_af, build_access_matrix,
4664         build_scop_data_accesses): Delete.
4665         (build_poly_dr): New.
4666         (build_pbb_drs, build_scop_drs): New.
4667         (build_poly_scop): call build_scop_drs.
4668
4669 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4670
4671         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4672         once per basic block.
4673
4674 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4675
4676         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4677         (graphite_can_represent_expr): Renamed from loop_affine_expr
4678         and enhanced.
4679         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4680         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4681         (scopdet_basic_block_info): Actually define entry_block.
4682         (stmt_simple_memref_p): Moved here from ...
4683
4684         * tree-data-ref.c (stmt_simple_memref_p): here.
4685         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4686
4687 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4688
4689         * gcc.dg/graphite/id-4.c: New.
4690
4691 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4694         (register_old_and_new_names): Update the content of the map.
4695         When there was already a rename_map_elt in the map at that
4696         location, free it.
4697         (copy_bb_and_scalar_dependences): Do rename_variables after
4698         expand_scalar_variables.
4699         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4700         of the map.  When there was already a rename_map_elt in the
4701         map at that location, free it.
4702         (translate_clast): Pass the rename_map.  Do not initialize and free
4703         a rename_map per stmt_user.
4704         (gloog): Initialize and free one rename_map and pass it to
4705         translate_clast.
4706
4707 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4708
4709         * sese.c (expand_scalar_variables_stmt,
4710         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4711         parameter.
4712         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4713         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4714         the gimple_stmt_iterator of the statement to be expanded.
4715         * graphite-scop-detection.c (is_simple_operand): Do handle
4716         REALPART_EXPR.
4717
4718 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4719
4720         * graphite-scop-detection.c (is_simple_operand): Do not handle
4721         REALPART_EXPR.
4722         * gcc.dg/graphite/id-2.c: New.
4723
4724         * graphite-sese-to-poly.c (build_bb_loops,
4725         add_value_to_dim, scan_tree_for_params_right_scev,
4726         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4727         find_params_in_bb, build_loop_iteration_domains,
4728         add_conditions_to_domain): Remove subtract.
4729
4730 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4731
4732         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4733         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4734         pbb_loop_at_index -> gbb_loop_at_index.
4735         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4736         (debug_loop_vec): Delete.
4737         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4738         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4739         (PBB_LOOPS): Removed.
4740         (PBB_BLACK_BOX): Insert cast.
4741         (pbb_set_black_box): New setter.
4742         (pbb_loop_at_index, pbb_loop_index): Removed.
4743         (scop_set_region, scop_set_nb_params): New.
4744         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4745         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4746         (build_poly_scop): Use scop_set_nb_params.
4747         * sese.h (gimple_bb): Add LOOPS.
4748         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4749
4750 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4751
4752         Revert previous commit.
4753
4754 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4755
4756         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4757         (register_old_and_new_names): Update the content of the map.
4758         When there was already a rename_map_elt in the map at that
4759         location, free it.
4760         (copy_bb_and_scalar_dependences): Do rename_variables after
4761         expand_scalar_variables.
4762         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4763         of the map.  When there was already a rename_map_elt in the
4764         map at that location, free it.
4765         (translate_clast): Pass the rename_map.  Do not initialize and free
4766         a rename_map per stmt_user.
4767         (gloog): Initialize and free one rename_map and pass it to
4768         translate_clast.
4769
4770 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4771
4772         Remove forgotten line in revert.
4773
4774 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4775
4776         Revert previous commit.
4777
4778 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4779
4780         * sese.c (register_old_and_new_names): Update the content
4781         of the map.  When there was already a rename_map_elt in the
4782         map at that location, free it.
4783         (copy_bb_and_scalar_dependences): Do rename_variables after
4784         expand_scalar_variables.
4785         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4786         of the map.  When there was already a rename_map_elt in the
4787         map at that location, free it.
4788         (translate_clast): Pass the rename_map.  Do not initialize and free
4789         a rename_map per stmt_user.
4790         (gloog): Initialize and free one rename_map and pass it to
4791         translate_clast.
4792
4793 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4794
4795         * graphite-clast-to-gimple.c (translate_clast): context_loop
4796         is never NULL.
4797
4798 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4799             Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
4802         of the use of ppl_Polyhedron_map_space_dimensions.
4803
4804 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4805             Sebastian Pop  <sebastian.pop@amd.com>
4806
4807         * graphite-poly.c (unify_scattering_dimensions): Fix types.
4808         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
4809         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
4810         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
4811         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
4812         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
4813         pbb_nb_params): New.
4814         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
4815         nb_loops_around_pbb): Adapt return types.
4816
4817 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4818
4819         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4820         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4821         graphite-scop-detection.o, graphite-poly.o): Add
4822         more headers.
4823
4824 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4825
4826         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
4827         graphite-clast-to-gimple.o,  graphite-data-ref.o,
4828         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
4829
4830 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4831
4832         * gcc.dg/graphite/pr37485.c: Remove -floop-block
4833         * gcc.dg/graphite/pr37828.c: Same.
4834         * gcc.dg/graphite/pr37684.c: Same.
4835         * gcc.dg/graphite/block-0.c: Same.
4836         * gcc.dg/graphite/block-1.c: Same.
4837         * gcc.dg/graphite/block-2.c: Same.
4838         * gcc.dg/graphite/block-3.c: Same.
4839         * gcc.dg/graphite/block-4.c: Same.
4840         * gcc.dg/graphite/block-5.c: Same.
4841         * gcc.dg/graphite/block-6.c: Same.
4842         * gfortran.dg/graphite/pr38083.f90: Same.
4843         * gfortran.dg/graphite/block-1.f90: Same.
4844         * gfortran.dg/graphite/block-3.f90: Same.
4845         * gfortran.dg/graphite/pr37852.f90: Same.
4846         * gfortran.dg/graphite/block-4.f90: Same.
4847         * gfortran.dg/graphite/pr37980.f90: Same.
4848         * gfortran.dg/graphite/pr38953.f90: Same.
4849         * gfortran.dg/graphite/pr37857.f90: Same.
4850         * opts.c: Remove -floop-block from -O2.
4851         * graphite-poly.c: Fail if -floop-block -floop-interchange or
4852         -floop-strip-mine are used.
4853
4854 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4855             Sebastian Pop  <sebastian.pop@amd.com>
4856
4857         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
4858         dimensions.
4859         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
4860         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
4861         strip_mine_profitable_p, is_interchange_valid,
4862         graphite_trans_bb_block, graphite_trans_loop_block,
4863         graphite_trans_scop_block): Temporary removed.
4864         (extend_scattering, unify_scattering_dimensions): New.
4865         (print_scattering_function, graphite_read_transforms):
4866         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4867         (graphite_generate_scattering_fns): Removed.
4868         (apply_poly_transforms): Cleanup.
4869         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4870         (schedule_to_scattering): Moved.
4871         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
4872         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
4873         (pbb_nb_scattering): New.
4874         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4875         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
4876         Removed.
4877         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
4878         shift_poly.
4879         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
4880         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
4881         -> PBB_TRANSFORMED_SCATTERING.
4882         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
4883         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
4884         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
4885         (check_poly_representation): Do not return bool.
4886         (graphite_transform_loops): Reformat.
4887         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
4888
4889 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
4890
4891         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
4892         debug_pbb_domain, debug_pbb, debug_scop): New.
4893         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
4894         debug_pbb_domain, debug_pbb, debug_scop): Declared.
4895
4896 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         PR middle-end/39335
4899         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4900         when the type precision of the induction variable should be
4901         larger than the type precision of nit.
4902         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4903         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
4904         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4905
4906         * gcc.dg/graphite/pr39335_1.c: New.
4907         * gcc.dg/graphite/pr39335.c: New.
4908
4909 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4910
4911         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4912         SSA_NAMES not struct reduction_info.
4913
4914 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4915
4916         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
4917
4918 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4919             Tobias Grosser  <grosser@fim.uni-passau.de>
4920
4921         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
4922         (free_sese): Free SESE_REDUCTION_LIST.
4923         * sese.h (struct sese): Add field reduction_list.
4924         (SESE_REDUCTION_LIST): New.
4925         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
4926         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
4927
4928 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4929             Tobias Grosser  <grosser@fim.uni-passau.de>
4930
4931         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
4932         of loop_p.
4933
4934 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4935             Tobias Grosser  <grosser@fim.uni-passau.de>
4936
4937         * tree-parloops.c (struct brli, build_reduction_list_info,
4938         analyze_reduction_list, gather_scalar_reductions): New.
4939         (loop_parallel_p): Build a reduction list containing only
4940         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
4941         (gen_parallel_loop): Call the analysis analyze_reduction_list.
4942         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
4943         * tree-flow.h (gather_scalar_reductions): Declared.
4944
4945 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         PR middle-end/39308
4948         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
4949         number_of_iterations_exit from a gcc_assert.
4950
4951 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
4952             Jan Sjodin  <jan.sjodin@amd.com>
4953
4954         * output.h (graphite_out_file, graphite_in_file): Declared.
4955         * toplev.c (graphite_out_file, graphite_in_file): New.
4956         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
4957         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
4958         Don't call schedule_to_scattering.
4959         * common.opt (fgraphite-write, fgraphite-read): New.
4960         * graphite-poly.c: Include output.h.
4961         (print_scattering_function, print_scattering_functions,
4962         debug_scattering_function, debug_scattering_functions,
4963         graphite_write_transforms, graphite_read_transforms,
4964         graphite_generate_scattering_fns): New.
4965         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
4966         Call graphite_generate_scattering_fns, graphite_write_transforms,
4967         graphite_read_transforms.
4968         (new_poly_bb): Initialize PBB_SCATTERING.
4969         (free_poly_bb): Free PBB_SCATTERING.
4970         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
4971         * graphite-poly.h (struct poly_bb): Add field scattering.
4972         (PBB_SCATTERING): New.
4973         (print_scattering_function, print_scattering_functions,
4974         debug_scattering_function, debug_scattering_functions): Declared.
4975         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
4976         GMP values, not integers!
4977         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
4978         ppl_read_polyhedron_matrix): New.
4979         * graphite-ppl.h (ppl_print_polyhedron_matrix,
4980         debug_ppl_polyhedron_matrix,
4981         ppl_read_polyhedron_matrix): Declared.
4982         * Makefile.in (graphite-poly.o): Depends on output.h.
4983
4984 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4985             Tobias Grosser  <grosser@fim.uni-passau.de>
4986
4987         Revert this change:
4988         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4989         scalar evolutions in the scop_entry->loop_father.
4990
4991 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4992             Tobias Grosser  <grosser@fim.uni-passau.de>
4993
4994         * graphite.h (ref_nb_loops): Remove declaration.
4995         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
4996         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
4997         debug_gbb): Moved to sese.h.
4998         * sese.h: As said.
4999
5000 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5001             Tobias Grosser  <grosser@fim.uni-passau.de>
5002
5003         * graphite-data-ref.[ch]: Disable.
5004
5005 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5006             Tobias Grosser  <grosser@fim.uni-passau.de>
5007
5008         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5009         scalar evolutions in the scop_entry->loop_father.
5010
5011 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5012
5013         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5014         (graphite_cannot_represent_loop_niter): Renamed
5015         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5016         (limit_scops): build_sese_loop_nests does not return a bool.
5017         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5018         * sese.c (nb_reductions_in_loop): ... from here.
5019         (graphite_loop_normal_form): ... from here.
5020         (sese_record_loop): Does not fail, so does not return a bool.
5021         (build_sese_loop_nests): Same.
5022         * sese.h (build_sese_loop_nests): Update declaration.
5023         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5024         (build_graphite_loop_normal_form): New.
5025         (gloog): Call build_graphite_loop_normal_form.
5026         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5027         build_sese_loop_nests.
5028
5029         * gcc.dg/graphite/id-1.c: New.
5030
5031 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5032             Tobias Grosser  <grosser@fim.uni-passau.de>
5033
5034         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5035         The SCoP detection fix is sufficient.
5036
5037 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         PR tree-optimization/39260
5040         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5041         the basic block contains a condition with a real type.
5042         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5043
5044         * gcc.dg/graphite/pr39260.c: New.
5045
5046 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5047
5048         * graphite-poly.c: Inlcude params.h.
5049         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5050         the size of a tile.
5051         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5052         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5053
5054 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5055             Tobias Grosser  <grosser@fim.uni-passau.de>
5056
5057         * graphite-scop-detection.c (dot_all_scops_1,
5058         dot_all_scops): Moved here.
5059         * graphite-scop-detection.h (dot_all_scops): Declared here.
5060         * graphite.c (graphite_initialize, graphite_finalize): New.
5061         (graphite_transform_loops): Cleaned up.
5062         * sese.c (debug_oldivs): Moved here.
5063         * graphite-poly.c (graphite_apply_transformations): Renamed
5064         apply_poly_transforms.
5065         (debug_loop_vec): Moved here.
5066         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5067         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5068         find_scop_parameters, build_scop_iteration_domain,
5069         add_conditions_to_constraints, build_scop_canonical_schedules,
5070         build_scop_data_accesses): Now static.
5071         (build_poly_scop, check_poly_representation): New.
5072
5073 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5074
5075         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5076         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5077         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5078         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5079         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5080         scan_tree_for_params, struct irp_data, dx_record_params,
5081         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5082         build_loop_iteration_domains, add_conditions_to_domain,
5083         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5084         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5085         build_sese_conditions, add_conditions_to_constraints,
5086         build_scop_iteration_domain, build_access_matrix_with_af,
5087         build_access_matrix,
5088         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5089
5090         * graphite-sese-to-poly.c: New.
5091         * graphite-sese-to-poly.h: New.
5092
5093         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5094
5095 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5096
5097         * graphite.c: Split graphite code generation to a new file.
5098         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5099         max_precision_type, clast_to_gcc_expression_red,
5100         clast_to_gcc_expression, gcc_type_for_clast_expr,
5101         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5102         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5103         graphite_create_new_guard, clast_get_body_of_loop,
5104         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5105         graphite_create_new_loop, build_iv_mapping, copy_renames,
5106         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5107         compute_cloog_iv_types, free_scattering, save_var_name,
5108         initialize_cloog_names, build_scop_context, build_cloog_prog,
5109         set_cloog_options, debug_clast_stmt, scop_to_clast,
5110         print_generated_program, debug_generated_program,
5111         gloog): Moved to graphite-clast-to-gimple.c.
5112
5113         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5114
5115         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5116         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5117         loop_iv_stack_pop, loop_iv_stack_get_iv,
5118         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5119         free_loop_iv_stack, loop_iv_stack_remove_constants,
5120         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5121         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5122         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5123         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5124         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5125         get_vdef_before_sese, sese_adjust_vphi,
5126         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5127         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5128         is_iv, expand_scalar_variables_ssa_name,
5129         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5130         expand_scalar_variables, rename_variables, remove_condition,
5131         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5132         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5133         default_liveout_before_guard, add_guard_exit_phis,
5134         insert_guard_phis, register_old_and_new_names,
5135         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5136         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5137         if_region_set_false_region, create_if_region_on_edge,
5138         move_sese_in_condition): Moved to sese.c.
5139
5140         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5141         if_region_exit, if_region_get_condition_block,
5142         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5143         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5144         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5145         ivtype_map_elt, new_ivtype_map_elt,
5146         recompute_all_dominators): Moved to sese.h.
5147
5148         * graphite-clast-to-gimple.c: New.
5149         * graphite-clast-to-gimple.h: New.
5150         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5151         * sese.c: Modified as said above.
5152         * sese.h: Same.
5153
5154 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5155
5156         * graphite.c: Split scop detection to a new file.
5157         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5158         move_sd_regions, loop_affine_expr, exclude_component_ref,
5159         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5160         graphite_cannot_represent_loop_niter, struct scopdet_info,
5161         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5162         find_single_entry_edge, find_single_exit_edge,
5163         create_single_entry_edge, sd_region_without_exit,
5164         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5165         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5166         Moved to graphite-scop-detection.c.
5167
5168         * graphite-scop-detection.c: New.
5169         * graphite-scop-detection.h: New.
5170         * Makefile.in: Add new rule for graphite-scop-detection.o.
5171
5172         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5173         tree-scalar-evolution.h.
5174         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5175         build_sese_loop_nests): Moved here from graphite.c.
5176         (param_index): Renamed parameter_index_in_region.
5177
5178 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5179             Sebastian Pop  <sebastian.pop@amd.com>
5180
5181         * gcc.dg/graphite/block-0.c: Expected to fail now.
5182         * gcc.dg/graphite/block-1.c: Same.
5183         * gcc.dg/graphite/block-5.c: Same.
5184         * gcc.dg/graphite/block-6.c: Same.
5185
5186 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5187             Sebastian Pop  <sebastian.pop@amd.com>
5188
5189         * graphite.h: Separate from graphite_bb_p the polyhedral
5190         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5191         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5192         graphite-data-ref.h.
5193         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5194         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5195         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5196         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5197         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5198         scop_nb_params): Moved to graphite-poly.h.
5199         * graphite-data-ref.c: Same.
5200         * graphite-data-ref.h: New.
5201         * graphite.c: Same.
5202         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5203         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5204         is_interchange_valid, graphite_trans_bb_block,
5205         graphite_trans_loop_block, scop_max_loop_depth,
5206         graphite_trans_scop_block, graphite_apply_transformations,
5207         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5208         graphite-poly.c.
5209         * graphite-poly.h: New.
5210         * graphite-poly.c: New.
5211         * Makefile.in (OBJS-common): Add graphite-poly.o.
5212         (graphite-poly.o): New rule.
5213         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5214         (DR_SCOP): Removed.
5215
5216 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5217             Tobias Grosser  <grosser@fim.uni-passau.de>
5218
5219         * graphite.c: Replace gb -> gbb.
5220         * graphite.h: Same.
5221         * graphite-data-ref.c: Same.
5222
5223 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5224             Tobias Grosser  <grosser@fim.uni-passau.de>
5225
5226         * Makefile.in (OBJS-commmon): Add sese.o.
5227         (sese.o): New.
5228         (graphite.o): Add sese.h.
5229         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5230         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5231         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5232         Move to sese.
5233         (block_before_scop): Add missing return.
5234         (new_scop, free_scop): Remove SESE data structures.
5235         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5236         find_scop_parameters, build_loop_iteration_domains,
5237         add_conditions_to_domain, register_scop_liveout_renames,
5238         copy_bb_and_scalar_dependences): Scop -> SESE.
5239
5240         (add_conditions_to_domain): SCoP -> SESE and remove check
5241         (scop_contains_non_iv_scalar_phi_nodes): New.
5242         (build_scop_conditions_1, build_scop_conditions): Remove check for
5243         non iv scalar phi nodes.
5244         (print_scop_statistics): New.
5245         (graphite_transform_loops): Cleanup.
5246
5247         * graphite.h: Move to sese & cleanup.
5248         * sese.c: New.
5249         * sese.h: New.
5250
5251 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5252             Tobias Grosser  <grosser@fim.uni-passau.de>
5253
5254         * graphite.c (build_scop_conditions_1): Conditions are only
5255         at the end of a basic block.
5256
5257 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5258             Tobias Grosser  <grosser@fim.uni-passau>
5259
5260         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5261         field.
5262         (GBB_ALPHA): Removed.
5263
5264 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5265             Tobias Grosser  <grosser@fim.uni-passau.de>
5266
5267         * graphite-data-ref.c (graphite_test_dependence): Don't use
5268         GBB_DYNAMIC_SCHEDULE.
5269         * graphite.c (new_graphite_bb): Same.
5270         (free_graphite_bb): Same.
5271         (build_scop_dynamic_schedules): Removed.
5272         (graphite_transform_loops): Don't call it.
5273         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5274         (GBB_DYNAMIC_SCHEDULE): Removed.
5275
5276 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5277             Tobias Grosser  <grosser@fim.uni-passau.de>
5278
5279         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5280         (print_graphite_bb): Same.
5281         (build_cloog_prog): Same.
5282
5283 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5284             Tobias Grosser  <grosser@fim.uni-passau.de>
5285
5286         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5287
5288 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5289             Tobias Grosser  <grosser@fim.uni-passau.de>
5290
5291         * graphite.c (build_scop_context): Don't use CloogMatrix.
5292         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5293         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5294
5295 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5296             Tobias Grosser  <grosser@fim.uni-passau.de>
5297
5298         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5299         liveout_renames, add_params fields...
5300         (struct sese): ... here.
5301         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5302         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5303
5304 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5305             Tobias Grosser  <grosser@fim.uni-passau.de>
5306
5307         * graphite.c (print_scop): Do not print the CLooG program.
5308         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5309         build_cloog_prog, gloog): Don't use SCOP_PROG.
5310         (find_transform): Renamed scop_to_clast.
5311         (print_generated_program, debug_generated_program): New.
5312         (graphite_transform_loops): Adapt to new interface.
5313         * graphite.h (struct scop): Remove program field.
5314         (SCOP_PROG): Removed.
5315         (print_generated_program, debug_generated_program): Declared.
5316
5317 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5320         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5321         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5322         free_graphite_bb, build_scop_canonical_schedules,
5323         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5324         schedules are now represented using a ppl_Linear_Expression_t.
5325         * graphite.h (struct graphite_bb): Same.
5326         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5327         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5328
5329 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5330
5331         * graphite.c: Free local memory.
5332         * graphite-ppl.c: Same.
5333
5334 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5335
5336         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5337         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5338         swap_constraint_variables, scale_constraint_variable): Removed.
5339         (graphite_trans_bb_strip_mine): Remove pong.
5340         * graphite-ppl.c: Include missing header files.
5341         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5342         * graphite-ppl.h (ppl_strip_loop): Declared.
5343         * Makefile.in (graphite-ppl.o): Adjust dependences.
5344
5345 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5346
5347         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5348         (build_scop_iteration_domain): Same.
5349
5350 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5351
5352         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5353         ping pong.
5354         (add_value_to_dim, scan_tree_for_params_right_scev,
5355         scan_tree_for_params_int): New.
5356         * graphite-ppl.c (oppose_constraint): New.
5357         (insert_constraint_into_matrix): Implement missing cases.
5358         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5359
5360 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5361
5362         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5363         use ppl_move_dimension.
5364
5365 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5366
5367         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5368         * graphite.c: Same.
5369         * graphite.h: Same.
5370         * graphite-ppl.c: Same.
5371         * graphite-ppl.h: Same.
5372
5373 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5374
5375         Revert last 3 commits.
5376
5377 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5378
5379         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5380         ping pong.
5381         (add_value_to_dim, scan_tree_for_params_right_scev,
5382         scan_tree_for_params_int): New.
5383         * graphite-ppl.c (oppose_constraint): New.
5384         (insert_constraint_into_matrix): Implement missing cases.
5385         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5386
5387 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5388
5389         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5390
5391 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5392             Tobias Grosser  <grosser@fim.uni-passau.de>
5393
5394         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5395         use ppl_move_dimension.
5396         * graphite-ppl.c (ppl_move_dimension): New.
5397         * graphite-ppl.h (ppl_move_dimension): Declared.
5398
5399 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5400
5401         * graphite.c: Do not include cloog/cloog.h.
5402         (print_graphite_bb): Remove ping pong, call PPL print function.
5403
5404 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5405
5406         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5407         (graphite.o): Add dependence on graphite-ppl.h.
5408         (graphite-ppl.o): New.
5409         (graphite-data-ref.c): Ping pong between PPL data structures
5410         and matrices.
5411         * graphite-ppl.c: New.
5412         * graphite-ppl.h: New.
5413         * graphite.c: Include graphite-ppl.h.
5414         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5415         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5416         Ping pong between PPL data structures and matrices.
5417         (new_graphite_bb): Create a PPL constraint system.
5418         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5419         (build_loop_iteration_domains): Use PPL functions.
5420         * graphite.h: Include graphite-ppl.h.  Fix comments.
5421         (graphite_bb): Use a ppl_Constraint_System_t instead of
5422         CloogMatrix for representing the domain.
5423         (scop): Remove static_schedule.
5424         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5425
5426 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5427
5428         * graphite.c: Fix some comments.
5429
5430 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5431
5432         PR middle-end/38953
5433         * graphite.c (if_region_set_false_region): After moving a region
5434         in the false branch of a condition, remove the empty dummy
5435         basic block.
5436         (gloog): Remove wrong fix for PR38953.
5437
5438 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5439
5440         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5441         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5442         register_bb_in_sese, new_sese, free_sese): Moved.
5443         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5444         outermost_loop_in_scop, build_scop_iteration_domain,
5445         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5446         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5447         Use loop_in_sese_p instead of loop_in_scop_p.
5448         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5449         (free_scop): Do not free SCOP_BBS_B.
5450         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5451         ref_nb_loops): Moved here...
5452         * graphite.h (ref_nb_loops): ... from here.
5453         (struct scop): Remove bbs_b bitmap.
5454         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5455         * gcc.dg/graphite/scop-19.c: New
5456
5457 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5458
5459         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5460         detection.
5461
5462 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5463
5464         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5465         eq_loop_to_cloog_loop): Remove.
5466         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5467         * graphite.h (struct scop): Remove loop2cloog_loop.
5468         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5469
5470 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5471
5472         * opts.c (decode_options): Only add graphite options to O2
5473         if we compile with graphite enabled.
5474
5475 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5476
5477         * Merge from mainline (r143163:143684).
5478
5479 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5480
5481         * graphite.c (debug_value): Removed.
5482         * graphite.h (debug_value): Removed.
5483
5484 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5487         after graphite: pass_copy_prop does not maintain a proper loop closed
5488         SSA form.  pass_copy_prop should be fixed.
5489
5490 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5491
5492         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5493
5494 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5495
5496         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5497         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5498         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5499         changed the CFG.
5500
5501 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5502
5503         * graphite.c (gloog): Return true when code gen succeeded.
5504         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5505         the code of the function did not changed.  After cleanup_tree_cfg
5506         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5507         form.
5508
5509 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5510
5511         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5512         gimple_call_lhs is NULL.
5513
5514 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5515             Tobias Grosser  <tobi.grosser@amd.com>
5516
5517         * graphite.c (graphite_trans_scop_block): Do not block single
5518         nested loops.
5519
5520 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5521             Tobias Grosser  <tobi.grosser@amd.com>
5522
5523         * graphite.c (build_scop_canonical_schedules): Start schedules at
5524         zero.
5525
5526 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5527             Tobias Grosser  <tobi.grosser@amd.com>
5528
5529         * graphite.c (compare_prefix_loops): New.
5530         (build_scop_canonical_schedules): Rewritten.
5531         (graphite_transform_loops): Move build_scop_canonical_schedules
5532         after build_scop_iteration_domain.
5533
5534 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5535             Tobias Grosser  <tobi.grosser@amd.com>
5536
5537         * graphite.c (add_conditions_to_domain): Add the loops to
5538         the dimension of the iteration domain.  Do copy the domain
5539         only when it exists.
5540         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5541         (add_conditions_to_constraints): New.
5542         (can_generate_code_stmt, can_generate_code): Removed.
5543         (gloog): Do not call can_generate_code.
5544         (graphite_transform_loops): Call add_conditions_to_constraints
5545         after building the iteration domain.
5546
5547 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5548             Tobias Grosser  <tobi.grosser@amd.com>
5549             Jan Sjodin  <jan.sjodin@amd.com>
5550
5551         * graphite.c (scan_tree_for_params): On substractions negate
5552         all the coefficients of the term.
5553         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5554         of more than two operands.
5555         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5556         (get_vdef_before_scop): Handle also the case of default definitions.
5557
5558 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5559
5560         PR middle-end/38431
5561         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5562         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5563         (gloog): Do not call cleanup_tree_cfg.
5564         (graphite_transform_loops): Call cleanup_tree_cfg after all
5565         scops have been code generated.
5566
5567 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5568
5569         * passes.c (init_optimization_passes): Schedule after
5570         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5571
5572 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5573
5574         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5575         Fix comment.
5576         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5577         Set the type of an expression to the type of its assign statement.
5578         (expand_scalar_variables_expr):  Do not pass loop_p.
5579         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5580         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5581         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5582
5583 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5584
5585         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5586         an expression to the gimple_expr_type of its assign statement.
5587         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5588         or tcc_declaration.
5589
5590 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5591
5592         PR tree-optimization/38786
5593         * gcc.dg/graphite/pr38786.c: New.
5594         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5595         the SSA_NAME case of expand_scalar_variables_expr.
5596         (expand_scalar_variables_expr): Also gather the scalar computation
5597         used to index the memory access.
5598         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5599         the gimple_stmt_iterator where it inserts new code.
5600
5601 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5602
5603         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5604
5605 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5606
5607         * opts.c (decode_options): Enable flag_graphite_identity and
5608         flag_loop_block in -O2 and above.
5609
5610 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5611
5612         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5613         Fix merge problem: replace with the file from trunk.
5614
5615 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5616
5617         * Merge from mainline (r141727:143163).
5618
5619 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5620             Jan Sjodin  <jan.sjodin@amd.com>
5621
5622         PR tree-optimization/38559
5623         * gcc.dg/graphite/pr38559.c: New.
5624
5625         * graphite.c (debug_value, copy_constraint,
5626         swap_constraint_variables, scale_constraint_variable, ): New.
5627         (get_lower_bound, get_upper_bound): Removed.
5628         (graphite_trans_bb_strip_mine): Clean up this code that works
5629         only for constant number of iterations.  Fully copy upper and
5630         lower bound constraints, not only the constant part of them.
5631         * graphite.h (debug_value): Declared.
5632
5633 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5634
5635         PR tree-optimization/38492
5636         PR tree-optimization/38498
5637         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5638         * tree-chrec.h (scev_is_linear_expression): Declared.
5639         * graphite.c (graphite_cannot_represent_loop_niter): New.
5640         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5641         (graphite_loop_normal_form): Use gcc_assert.
5642         (scan_tree_for_params): Use CASE_CONVERT.
5643         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5644         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5645         Use gcc_assert.  Discard scops that contain unhandled cases.
5646         (build_scop_conditions): Return a boolean status for unhandled cases.
5647         (strip_mine_profitable_p): Print the loop number, not its depth.
5648         (is_interchange_valid): Pass the depth of the loop nest, don't
5649         recompute it wrongly.
5650         (graphite_trans_bb_block): Same.
5651         (graphite_trans_bb_block): Print tentative of loop blocking.
5652         (graphite_trans_scop_block): Do not print that the loop has been
5653         blocked.
5654         (graphite_transform_loops): Do not handle scops that contain condition
5655         scalar phi nodes.
5656
5657         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5658         in trunk.
5659         * gcc.dg/graphite/block-0.c: Update test.
5660         * gcc.dg/graphite/block-1.c: Same.
5661         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5662         blocking.
5663         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5664         * gcc.dg/graphite/block-3.c: New.
5665         * gcc.dg/graphite/pr38498.c: New.
5666
5667 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5668
5669         PR tree-optimization/38510
5670         * gcc.dg/graphite/pr38510.c: New.
5671         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5672           (translate_clast): Call recompute_all_dominators before
5673           graphite_verify.
5674           (gloog): Call recompute_all_dominators before graphite_verify.
5675
5676 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5677
5678         PR tree-optimization/38492
5679         * graphite.c (rename_map_elt, debug_rename_elt,
5680         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5681         rename_map_elt_info, eq_rename_map_elts,
5682         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5683         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5684         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5685         (sese_build_livein_liveouts): New.
5686         (new_sese, free_sese): New.
5687         (new_scop): Call new_sese.
5688         (free_scop): Call free_sese.
5689         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5690         (register_old_new_names): Renamed register_old_and_new_names.
5691         (register_scop_liveout_renames, add_loop_exit_phis,
5692         insert_loop_close_phis, struct igp,
5693         default_liveout_before_guard, add_guard_exit_phis,
5694         insert_guard_phis, copy_renames): New.
5695         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5696         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5697         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5698         (scop_adjust_phis_for_liveouts): New.
5699         (gloog): Call scop_adjust_phis_for_liveouts.
5700
5701         * graphite.h (struct sese): Documented.  Added fields liveout,
5702         num_ver and livein.
5703         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5704         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5705         (struct scop): Added field liveout_renames.
5706         (SCOP_LIVEOUT_RENAMES): New.
5707
5708 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5709
5710         PR tree-optimization/38409
5711         * gcc.dg/graphite/pr38409.c: New.
5712         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5713
5714 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5715
5716         * graphite.c (gcc_type_for_cloog_iv): By default return
5717         integer_type_node.
5718         (graphite_create_new_loop): Don't fold_convert the already
5719         fold_convert-ed expression.
5720
5721 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5722
5723         PR tree-optimization/38446
5724         * gcc.dg/graphite/pr38446.c: New.
5725         * graphite.c (register_bb_in_sese): New.
5726         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5727         looking at the bbs in the region.
5728         * graphite.h (sese): Add region_basic_blocks pointer set to
5729         structure and initialize at the time of defining new scop.
5730
5731 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5732
5733         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5734         (find_params_in_bb): Do not free data refs.
5735         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5736
5737 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5738
5739         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5740         * gcc.dg/graphite/scop-17.c: Same.
5741         * gcc.dg/graphite/block-5.c: New.
5742         * gcc.dg/graphite/block-6.c: New.
5743         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5744         * gcc.dg/graphite/pr37684.c: Same.
5745         * gcc.dg/graphite/block-2.c: Same.
5746
5747         * graphite.c (struct ivtype_map_elt): New.
5748         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5749         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5750         gcc_type_for_cloog_iv): New.
5751         (loop_iv_stack_patch_for_consts): Use the type of the induction
5752         variable from the original loop, except for the automatically
5753         generated loops, i.e., in the case of a strip-mined loop, in
5754         which case there is no original loop: in that case just use
5755         integer_type_node.
5756         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5757         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5758         (clast_name_to_gcc): Accept params to be NULL.
5759         (clast_to_gcc_expression): Take an extra parameter for the type.
5760         Convert to that type all the expressions built by this function.
5761         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5762         (graphite_translate_clast_equation): Compute the type of the
5763         clast_equation before translating its LHS and RHS.
5764         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5765         (graphite_create_new_loop): Compute the type of the induction
5766         variable before translating the lower and upper bounds and before
5767         creating the induction variable.
5768         (rename_variables_from_edge, rename_phis_end_scop): New.
5769         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5770         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5771         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5772         compute_cloog_iv_types): New.
5773         (gloog): Call compute_cloog_iv_types before starting the
5774         translation of the clast.
5775
5776         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5777         (GBB_CLOOG_IV_TYPES): New.
5778         (debug_ivtype_map): Declared.
5779         (oldiv_for_loop): New.
5780
5781 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5782
5783         PR middle-end/38459
5784         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
5785         (param_index): Assert if parameter is not know after parameter
5786         detection.
5787         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
5788         (find_scop_parameters): Mark, that we have finished parameter
5789         detection.
5790         (graphite_transform_loops): Move condition detection before parameter
5791         detection.
5792         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
5793         * gfortran.dg/graphite/pr38459.f90: New.
5794
5795 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5796
5797         * graphite.c (graphite_transform_loops): Always call find_transform ()
5798         in ENABLE_CHECKING.  So we test these code paths, even if we do not
5799         generate code.
5800
5801 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5802
5803         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
5804         (print_scop): Ditto.
5805
5806 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5807
5808         PR middle-end/38084
5809         Fix gfortran.dg/graphite/id-3.f90.
5810         * graphite.c (scopdet_basic_block_info): Fix bug that found some
5811         regions more than once.
5812
5813 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5814
5815         Fix gfortran.dg/graphite/id-4.f90.
5816         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
5817         when not needed.
5818
5819 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5820
5821         Fix gfortran.dg/graphite/id-1.f90.
5822         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
5823         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
5824         (max_precision_type): New.
5825         (value_clast): Removed.
5826         (clast_to_gcc_expression): Be more careful to types of expressions.
5827         Use max_precision_type and update use of gmp_cst_to_tree.
5828         (graphite_translate_clast_equation): Use max_precision_type.
5829         (graphite_create_guard_cond_expr): Do not use integer_type_node,
5830         use the type of the condition.
5831         (graphite_create_new_loop): Do not use integer_type_node, use the
5832         max_precision_type of lb and ub.
5833
5834 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
5835
5836         * graphite.c (build_scops_1): Initialize open_scop.exit
5837         and sinfo.last.
5838
5839 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5840
5841         * gcc.dg/graphite/pr38084.c: New.
5842         * gfortran.dg/graphite/id-1.f90: New.
5843         * gfortran.dg/graphite/id-2.f90: New.
5844         * gfortran.dg/graphite/id-3.f90: New.
5845         * gfortran.dg/graphite/id-4.f90: New.
5846         * gfortran.dg/graphite/pr37857.f90: New.
5847
5848 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
5849             Jan Sjodin  <jan.sjodin@amd.com>
5850             Harsha Jagasia  <harsha.jagasia@amd.com>
5851
5852         PR middle-end/37852
5853         PR middle-end/37883
5854         PR middle-end/37928
5855         PR middle-end/37980
5856         PR middle-end/38038
5857         PR middle-end/38039
5858         PR middle-end/38073
5859         PR middle-end/38083
5860         PR middle-end/38125
5861
5862         * gcc.dg/graphite/pr38073.c: New.
5863         * gcc.dg/graphite/pr37928.c: New.
5864         * gcc.dg/graphite/pr37883.c: New.
5865         * gcc.dg/graphite/pr38125.c: New.
5866         * gfortran.dg/graphite/pr38083.f90: New.
5867         * gfortran.dg/graphite/pr37852.f90: New.
5868         * gfortran.dg/graphite/pr37980.f90: New.
5869
5870         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
5871         the number of detected scops.  Copy exact same test for loop
5872         blocking...
5873         * gcc.dg/graphite/block-1.c: Fix the number of expected
5874         loops to be blocked as reductions are not handled.
5875         * gcc.dg/graphite/block-4.c: ...here.  New.
5876
5877         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
5878         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
5879         ...here.
5880         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
5881         * Makefile.in (graphite.o): Depend on value-prof.h.
5882         (graphite.o-warn): Removed -Wno-error.
5883         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
5884         to be a NULL pointer.  Call update_stmt.  Return the newly created
5885         cannonical induction variable.
5886
5887         * graphite.h (debug_rename_map): Declared.  Fix some comments.
5888
5889         * graphite.c: Reimplement the code generation from graphite to gimple.
5890         Include value-prof.h.
5891         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
5892         (get_old_iv_from_ssa_name): Removed.
5893         (graphite_stmt_p): New.
5894         (new_graphite_bb): Test for useful statements before building a
5895         graphite statement for the basic block.
5896         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
5897         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
5898         reason.
5899         (recompute_all_dominators, graphite_verify,
5900         nb_reductions_in_loop, graphite_loop_normal_form): New.
5901         (scop_record_loop): Call graphite_loop_normal_form.
5902         (build_scop_loop_nests): Iterate over all the blocks of the
5903         function instead of relying on the incomplete information from
5904         SCOP_BBS.  Return the success of the operation.
5905         (find_params_in_bb): Use the data from GBB_DATA_REFS.
5906         (add_bb_domains): Removed.
5907         (build_loop_iteration_domains): Don't call add_bb_domains.
5908         Add the iteration domain only to the basic blocks that have been
5909         translated to graphite.
5910         (build_scop_conditions_1): Add constraints only if the basic
5911         block have been translated to graphite.
5912         (build_scop_data_accesses): Completely disabled until data
5913         dependence is correctly implemented.
5914         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
5915         (remove_all_edges_1, remove_all_edges): Removed.
5916         (get_new_name_from_old_name): New.
5917         (graphite_rename_variables_in_stmt): Renamed
5918         rename_variables_in_stmt.  Call get_new_name_from_old_name.
5919         Use replace_exp and update_stmt.
5920         (is_old_iv): Renamed is_iv.
5921         (expand_scalar_variables_stmt): Extra parameter for renaming map.
5922         Use replace_exp and update_stmt.
5923         (expand_scalar_variables_expr): Same.  Use the map to get the
5924         new names for the renaming of induction variables and for the
5925         renaming of variables after a basic block has been copied.
5926         (expand_scalar_variables): Same.
5927         (graphite_rename_variables): Renamed rename_variables.
5928         (move_phi_nodes): Removed.
5929         (get_false_edge_from_guard_bb): New.
5930         (build_iv_mapping): Do not insert the induction variable of a
5931         loop in the renaming iv map if the basic block does not belong
5932         to that loop.
5933         (register_old_new_names, graphite_copy_stmts_from_block,
5934         copy_bb_and_scalar_dependences): New.
5935         (translate_clast): Heavily reimplemented: copy basic blocks,
5936         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
5937         At each translation step call graphite_verify ensuring the
5938         consistency of the SSA, loops and dominators information.
5939         (collect_virtual_phis, find_vdef_for_var_in_bb,
5940         find_vdef_for_var_1, find_vdef_for_var,
5941         patch_phis_for_virtual_defs): Removed huge hack.
5942         (mark_old_loops, remove_dead_loops, skip_phi_defs,
5943         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
5944         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
5945         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
5946         if_region_get_condition_block, if_region_set_false_region,
5947         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
5948         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
5949         sese_add_exit_phis_edge, sese_add_exit_phis_var,
5950         rewrite_into_sese_closed_ssa): New.
5951         (gloog): Remove dead code.  Early return if code cannot be
5952         generated.  Call cleanup_tree_cfg once the scop has been code
5953         generated.
5954         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
5955         block loops with less than two loops.
5956         (graphite_apply_transformations): Remove the call to
5957         scop_remove_ignoreable_gbbs.
5958         (limit_scops): When build_scop_loop_nests fails, continue on
5959         the next scop.  Fix open_scop.entry.
5960         (graphite_transform_loops): Call recompute_all_dominators: force the
5961         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
5962         Call initialize_original_copy_tables and free_original_copy_tables
5963         to be able to copy basic blocks during code generation.
5964         When build_scop_loop_nests fails, continue on next scop.
5965         (value_clast): New union.
5966         (clast_to_gcc_expression): Fix type cast warning.
5967
5968 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5969
5970         * Merge from mainline (r140838:141727).
5971
5972 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5973
5974         PR middle-end/37833
5975
5976         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
5977
5978 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5979
5980         PR middle-end/37943
5981
5982         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
5983         exits and conditions.
5984         * gcc.dg/graphite/pr37943.c: New.
5985
5986 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5987
5988         PR middle-end/37886
5989         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
5990
5991 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
5992
5993         * doc/invoke.texi: Fix spaces.
5994
5995 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
5996
5997         PR tree-optimization/37891
5998         Reverted last commit.
5999         * graphite.c (create_single_entry_edge): Set
6000         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6001
6002 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6003             Mitul Thakkar  <mitul.thakkar@amd.com>
6004
6005         * graphite.c (create_single_entry_edge): Set
6006         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6007
6008 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6009
6010         * doc/invoke.texi: Add -fgraphite-identity.
6011         * graphite.c (graphite_apply_transformations): Check for
6012         -fgraphite-identity.
6013         * toplev.c (process_options): Add flag_graphite_identity.
6014         * tree-ssa-loop.c: Add flag_graphite_identity.
6015
6016 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6017
6018         Undo changes from 2008-10-02:
6019         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6020         operand type when copying the operand to a variable of different type.
6021         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6022         with the IV name after increment.
6023
6024 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6025             Harsha Jagasia  <harsha.jagasia@amd.com>
6026
6027         PR tree-optimization/37828
6028         * gcc.dg/graphite/pr37828.c: New.
6029         * graphite.c (graphite_trans_loop_block): Do not loop block
6030         single nested loops.
6031
6032 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6033             Sebastian Pop  <sebastian.pop@amd.com>
6034
6035         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6036         rename_map_elt_info, eq_rename_map_elts): New.
6037         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6038         (expand_scalar_variables_expr): Change parameters.
6039         (expand_scalar_variables_stmt): Same.
6040         (expand_scalar_variables): Same.
6041         (graphite_rename_ivs): Rename graphite_rename_variables.
6042         (build_iv_mapping): New.
6043         (translate_clast): Call build_iv_mapping.
6044         * graphite.h (gbb_p): New name.
6045
6046 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6047
6048         PR tree-optimization/37684
6049         * gcc.dg/graphite/pr37684.c: New.
6050         * graphite.c (exclude_component_ref): New.
6051         (is_simple_operand): Call exclude_component_ref.
6052
6053 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6054             Harsha Jagasia  <harsha.jagasia@amd.com>
6055
6056         PR tree-optimization/37485
6057         * gcc.dg/graphite/block-2.c: New
6058         * graphite.c (gmp_cst_to_tree): Moved.
6059         (iv_stack_entry_is_constant): New.
6060         (iv_stack_entry_is_iv): New.
6061         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6062         (loop_iv_stack_insert_constant): New.
6063         (loop_iv_stack_pop): Use new datatpype.
6064         (loop_iv_stack_get_iv): Same.
6065         (loop_iv_stack_get_iv_from_name): Same.
6066         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6067         (loop_iv_stack_patch_for_consts): New.
6068         (loop_iv_stack_remove_constants): New.
6069         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6070         (translate_clast): Call loop_iv_stack_patch_for_consts and
6071         loop_iv_stack_remove_constants.
6072         (gloog): Use new datatype.  Redirect construction edge to end
6073         block to avoid accidental deletion.
6074         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6075         iv stack entry.
6076         (union iv_stack_entry_data): New.  Data in iv stack entry.
6077         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6078
6079 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6080
6081         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6082         operand type when copying the operand to a variable of different type.
6083
6084 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6085
6086         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6087         with the IV name after increment.
6088
6089 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6090
6091         * Merge from mainline (r140164:140838).
6092
6093 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6094
6095         * graphite-data-ref.c: New.
6096         * graphite.c (print_scop): Also dump the dependence graph.
6097         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6098         (new_scop): Initialize SCOP_DEP_GRAPH.
6099         (build_scop_dynamic_schedules): New.
6100         (build_access_matrix_with_af): Fixed column numbering.
6101         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6102         * graphite.h: Add ifndef/define guards against multiple inclusion.
6103         (struct scop): Add dep_graph field.
6104         (SCOP_DEP_GRAPH): Defined.
6105         (ref_nb_loops): Fixed and moved to other position.
6106         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6107         (nb_loops_around_loop_in_scop): New.
6108         (graphite_dump_dependence_graph): Declared.
6109         (graphite_build_rdg_all_levels): Declared.
6110         (graphite_test_dependence): Declared.
6111         * Makefile.in (graphite-data-ref.o): New target.
6112
6113 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6114
6115         * Merge from mainline (139870:140164).
6116
6117 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6118
6119         * Merge from mainline (138275:139870).
6120         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6121         the commits from trunk broke the niter detection.
6122
6123 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6124
6125         * graphite.c: Add more documentation.  Fix formatting.
6126         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6127         loop_iv_stack_debug): Moved...
6128         (schedule_to_scattering): Move before use.
6129         (dot_all_scops): Include in "#if 0" the code for system
6130         call dotty.
6131
6132         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6133         loop_iv_stack_debug): ...here.
6134
6135 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6136
6137         * tree-phinodes.c (make_phi_node): Extern.
6138         (add_phi_node_to_bb): New.
6139         (create_phi_node): Call add_phi_node_to_bb.
6140         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6141         (remove_statement): Handle case where stored phi was updated
6142         and is no longer the same.
6143         * graphite.c (is_parameter): New.
6144         (is_old_iv): New.
6145         (expand_scalar_variables_expr): New.
6146         (expand_scalar_variables_stmt): New.
6147         (expand_scalar_variables): New.
6148         (move_phi_nodes): Create new phi instead of moving old one.
6149         (translate_clast): Call expand_scalar_variables.
6150         (find_vdef_for_var_in_bb): Also scan regular definitions.
6151         (skip_phi_defs): New.
6152         (collect_scop_exit_phi_args): New.
6153         (patch_scop_exit_phi_args): New.
6154         (gloog): Patch phis after scop.
6155         * tree-flow.h: (add_phi_node_to_bb): Declared.
6156         (make_phi_node): Declared.
6157
6158 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6159
6160         * graphite.c (end_scop): Split the entry of the scop when it
6161         is the header of the loop in which the scop is ending.
6162         (build_scops_1, limit_scops): Update uses of end_scop.
6163
6164 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6165
6166         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6167         SCOP_ENTRY or SCOP_EXIT.
6168
6169 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6170
6171         * graphite.c (get_construction_edge): Removed.
6172         (gloog): Construction edge is the scop entry edge.
6173
6174 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6175
6176         * graphite.c (can_generate_for_scop): Removed.
6177         (gloog): Do not call it.
6178
6179 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6180
6181         * graphite.c (new_scop): Entry of a scop is an edge.
6182         Initialize SESE region.
6183         (free_scop): Free SESE region.
6184         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6185         (split_difficult_bb): New, split from end_scop.
6186         (end_scop): Exit of a scop is an edge.
6187         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6188         not automatically updated and thus is always wrong.
6189         * graphite.h (struct sese): New.
6190         (SESE_ENTRY): New.
6191         (SESE_EXIT): New.
6192         (struct scop): New field for a SESE region.  Remove entry, exit.
6193         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6194         semantics as before.  Moved comment around.
6195
6196 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6197             Sebastian Pop  <sebastian.pop@amd.com>
6198
6199         * graphite.c (graphite_transform_loops): Always enable gloog
6200         and find_transform when ENABLE_CHECKING.
6201
6202 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         * graphite.c (graphite_transform_loops): Move pretty printer
6205         of SCOPs before doing any transform.  Remove call to print_scops
6206         and dot_all_scops_1.
6207
6208 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6209
6210         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6211         (print_graphite_bb): Same.
6212
6213 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6214
6215         * graphite.c (dot_all_scops_1): Cleanup.
6216         (move_scops): Fix comment.
6217
6218 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6219
6220         * graphite.c (build_scop_bbs): Revert commit 139355:
6221
6222         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6223                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6224
6225                 * graphite.c (build_scop_bbs): Factor up code.
6226
6227 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6228
6229         * graphite.c (gloog): Update dominator info.
6230
6231 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6232
6233         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6234
6235 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6236
6237         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6238         initialization.
6239         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6240         (translate_clast): Correct formatting.
6241         * graphite.h (struct num_map): Removed.
6242         (struct graphite_bb): Remove num_map field.
6243         (GBB_INDEX_TO_NUM_MAP): Removed.
6244
6245 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6246
6247         * graphite.c (build_access_matrix_with_af): Fix comments.
6248         (build_scop_data_accesses): Same.
6249
6250 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6251
6252         * graphite.c (build_scop_data_accesses): Don't construct
6253         access matrices.  Add a FIXME and an assert condition that
6254         should pass when the access matrices will be needed.
6255
6256 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6257
6258         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6259         really_constant_p.
6260         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6261         Moved close by free_graphite_bb.
6262         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6263         (new_scop): Move close by free_scop.
6264         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6265
6266 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6267
6268         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6269         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6270         instead of recursive call.
6271         (graphite_translate_clast_equation): New.
6272         (graphite_create_guard_cond_expr): New.
6273         (graphite_create_new_guard): New.
6274         (get_stack_index_from_iv): Removed.
6275         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6276         (get_true_edge_from_guard_bb): New.
6277         (translate_clast): Handle stmt_guard in clast.
6278         (get_construction_edge): Allow construction edge detection for
6279         a scope entry with multiple predecessors if one predecessor is
6280         the immediate dominator of scope entry.
6281         (can_generate_code_stmt): Enable code generation for clast_guard.
6282         (gloog): Use correct context loop.  Removed check for post dominators.
6283         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6284
6285 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6286
6287         * graphite.c (remove_dead_loops): Document better which
6288         loops are removed.
6289
6290 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6291
6292         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6293         and PPLINC.
6294         (graphite.o): Also depends on pointer-set.h.
6295
6296 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6297
6298         * graphite.c (scop_record_loop): Fix compile warning.
6299
6300 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6301             Sebastian Pop  <sebastian.pop@amd.com>
6302
6303         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6304
6305 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6306
6307         * graphite.c (build_graphite_bb): Initialize bb->aux to
6308         point to the graphite_bb_p.
6309         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6310         content of bb->aux.
6311         (add_bb_domains): Does not use the scop parameter.
6312         (graphite_transform_loops): Clean bb->aux at the end.
6313
6314 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6315             Sebastian Pop  <sebastian.pop@amd.com>
6316
6317         * lib/target-supports.exp
6318         (check_effective_target_fgraphite): New.
6319
6320         * gcc.dg/graphite/graphite.exp: Early exit when
6321         check_effective_target_fgraphite returns false.
6322         Set dg-do-what-default to compile.
6323         (scan-graphite-dump-times): Removed.
6324         * gfortran.dg/graphite/graphite.exp: Same.
6325
6326         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6327         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6328         * gcc.dg/graphite/scop-1.c: Same.
6329         * gcc.dg/graphite/scop-2.c: Same.
6330         * gcc.dg/graphite/scop-3.c: Same.
6331         * gcc.dg/graphite/scop-4.c: Same.
6332         * gcc.dg/graphite/scop-5.c: Same.
6333         * gcc.dg/graphite/scop-6.c: Same.
6334         * gcc.dg/graphite/scop-7.c: Same.
6335         * gcc.dg/graphite/scop-8.c: Same.
6336         * gcc.dg/graphite/scop-9.c: Same.
6337         * gcc.dg/graphite/scop-10.c: Same.
6338         * gcc.dg/graphite/scop-11.c: Same.
6339         * gcc.dg/graphite/scop-12.c: Same.
6340         * gcc.dg/graphite/scop-13.c: Same.
6341         * gcc.dg/graphite/scop-matmult.c: Same.
6342         * gcc.dg/graphite/scop-14.c: Same.
6343         * gcc.dg/graphite/scop-15.c: Same.
6344         * gcc.dg/graphite/block-0.c: Same.
6345         * gcc.dg/graphite/scop-16.c: Same.
6346         * gcc.dg/graphite/block-1.c: Same.
6347         * gcc.dg/graphite/scop-17.c: Same.
6348         * gcc.dg/graphite/scop-18.c: Same.
6349         * gfortran.dg/graphite/block-1.f90: Same.
6350         * gfortran.dg/graphite/scop-1.f: Same.
6351         * gfortran.dg/graphite/block-2.f: Same.
6352
6353 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6354
6355         * graphite.c: Fix some XXX comments.
6356         (build_scop_dynamic_schedules): Removed.
6357
6358 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6359
6360         * graphite.h (scop_max_loop_depth): Moved...
6361         * graphite.c (scop_max_loop_depth): ...here.
6362         (remove_all_edges_1): New.
6363         (remove_all_edges): Factored code.
6364         (remove_cond_exprs): Check only the last statement for
6365         a GIMPLE_COND expression.
6366
6367 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6368
6369         * graphite.c (scan_tree_for_params): Early return when the
6370         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6371         (find_scop_parameters): Factor out code.
6372         (graphite_trans_bb_strip_mine): Remove dead code.
6373
6374 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6375
6376         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6377         graphite_trans_bb_move_loop): Factor asserts.
6378         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6379         Do not call calculate_dominance_info and estimate_bb_frequencies.
6380
6381 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6382
6383         * graphite.c (create_loops_mapping, free_loops_mapping,
6384         create_loops_mapping_num, debug_loop_mapping_1,
6385         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6386         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6387         graphite_loops_mapping_add_child_num,
6388         graphite_loops_mapping_insert_child,
6389         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6390         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6391         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6392         create_num_from_index, get_num_from_index,
6393         swap_loop_mapped_depth): Removed.
6394         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6395         (free_scop): Do not call free_loops_mapping.
6396         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6397         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6398         get_loop_mapped_depth.
6399         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6400         (graphite_trans_bb_strip_mine): Same.
6401         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6402         (struct scop): Remove field loops_mapping.
6403
6404 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6405             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6406
6407         * graphite.c (scop_record_loop): Factor out one level of the
6408         condition by early return.
6409         (build_scop_loop_nests): Format following FSF coding style.
6410         (build_scop_dynamic_schedules): Factor out code.
6411         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6412
6413 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6414             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6415
6416         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6417         assignments that are not handled as simple operands for now.
6418
6419 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6420             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6421
6422         * graphite.c (build_scop_bbs): Factor up code.
6423
6424 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6425             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6426
6427         * graphite.c (stmt_simple_for_scop_p): Factor code out
6428         of the loop.
6429         (enum gbb_type): New.  Group all the GBB_* types under it.
6430         (is_loop_exit): Moved...
6431         (end_scop): Enable BB spliting.
6432         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6433         * cfgloop.h (is_loop_exit): Declared.
6434
6435 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6436
6437         * doc/invoke.texi: Remove strides from examples containing
6438         DO loops when the strides are equal to 1.
6439
6440 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6441             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6442
6443         * graphite.c (graphite_trans_scop_block): Or the result with
6444         the result from graphite_trans_loop_block.
6445         * gcc.dg/graphite/block-1.c: New.
6446         * gfortran.dg/graphite/block-1.f90: New.
6447         * gfortran.dg/graphite/block-2.f: New.
6448
6449 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6450
6451         * graphite.c (graphite_transform_loops): Call cloog_initialize
6452         and cloog_finalize.
6453
6454 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6455
6456         * tree-data-ref.c) (stmt_simple_memref_p): New.
6457         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6458         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6459         (is_simple_operand): Call stmt_simple_memref_p.
6460
6461         * gcc.dg/graphite/scop-matmult.c: Updated for not
6462         using pointer arithmetic, as this is optimized by PRE and
6463         makes the code too difficult to analyze.
6464
6465         * gcc.dg/graphite/scop-18.c: Same.
6466
6467 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6468
6469         * gdbinit.in (pgg): New.
6470
6471 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6472
6473         * graphite.c (graphite_trans_loop_block): Fix warning.
6474
6475 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6476
6477         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6478
6479 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6480
6481         * graphite.c (graphite_trans_bb_block): Remove check for
6482         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6483         Check if loop blocking is profitable for every loop, before applying
6484         the changes.
6485         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6486         if flag_loop_block is set.
6487
6488 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6489
6490         * graphite.c: Add some more documentation for the loop
6491         mapping.
6492
6493 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6494
6495         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6496         * graphite.c: Format on less than 80 columns.
6497         * graphite.h: Same.
6498
6499 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6500
6501         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6502
6503 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6504
6505         * doc/invoke.texi (floop-block, floop-strip-mine,
6506         floop-interchange): Update documentation with examples.
6507
6508 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6509
6510         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6511         add_referenced_var.
6512         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6513
6514 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6515
6516         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6517         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6518         * tree-scalar-evolution.c: Revert useless changes.
6519         * tree-phinodes.c: Same.
6520         * cfghooks.c: Same.
6521         * vec.h: Same.
6522         * tree-vectorizer.h: Same.
6523         * tree-flow.h: Same.
6524         * tree-cfg.c: Same.
6525         * common.opt (fgraphite): Update documentation.
6526
6527 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6528
6529         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6530         -floop-interchange): Add more text for explaining what each of these
6531         flags is doing.
6532         * tree-into-ssa.c (gimple_vec): Moved to...
6533         * graphite.c: Include gimple.h.
6534         (gimple_vec): Moved to...
6535         (del_loop_to_cloog_loop): Removed.
6536         (loop_affine_expr): Do not call create_data_ref when the
6537         operand is a constant.
6538         (new_scop): Use free instead of del_loop_to_cloog_loop.
6539         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6540         * gimple.h (gimple_vec): ... here.
6541
6542 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6543
6544         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6545         latch executions.
6546         (build_loop_iteration_domains): Fail, if latch executions unknown.
6547
6548 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6549
6550         * graphite.c (add_conditions_to_domain): New.
6551         (build_scop_conditions_1): Call add_conditions_to_domain.
6552         (set_cloog_options): Allow to disable optimizations.
6553
6554 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6555
6556         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6557         Do not use walk_dominator_tree.
6558         (find_scop_parameters): Do not use walk_dominator_tree.
6559
6560 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6561
6562         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6563         (idx_record_params): Adapt.
6564         * graphite.h (scop_gimple_loop_depth): New.
6565
6566 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6567
6568         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6569         (scan_tree_for_params): Remove value_init.
6570         (build_scop_context): Remove value_init.
6571         (build_loop_iteration_domains): Remove value_init.
6572         (schedule_to_scattering): Remove value_init.
6573         (graphite_trans_bb_strip_mine): Remove value_init.
6574
6575 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6576
6577         * gcc/graphite.c (limit_scops): New.
6578         (graphite_transform_loops): Add limit SCoPs.
6579         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6580         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6581         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6582         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6583         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6584         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6585         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6586         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6587         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6588         Change loop numbers.
6589         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6590         Change loop numbers.
6591         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6592         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6593         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6594         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6595         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6596         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6597         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6598         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6599         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6600         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6601
6602 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6603
6604         * graphite.c (graphite_transform_loops): Call always find_transform.
6605
6606 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6607
6608         * graphite.c (free_loops_mapping): New.
6609         (stmt_simple_for_scop_p): Fix typo.
6610         (stmt_simple_for_scop_p): Fix tuples functions, that
6611         broke polyhedron.
6612         (free_graphite_bb): Fix some memleaks.
6613         (free_scop): Fix some memleaks.
6614         (scopdet_bb_info): Do not forget some tmp SCoPs.
6615         (find_params_in_bb): Fix some memleaks.
6616         (clast_to_gcc_expression): Fix warning.
6617
6618 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6619
6620         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6621         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6622
6623 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6624
6625         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6626         Move code ifdef-ed HAVE_cloog...
6627         * graphite.c: Include toplev.h.
6628         ... here.
6629         * Makefile.in (OBJS-common): Always build graphite.o.
6630         (BACKEND): Remove @GRAPHITE@.
6631         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6632         (graphite.o): Depend on TOPLEV_H.
6633
6634 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6635
6636         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6637         Remove typo left from polylib to ppl conversion.
6638         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6639
6640 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6641
6642         * toplev.c (process_options): Move the graphite loop optimization
6643         flags...
6644         * tree-ssa-loop.c (graphite_transforms): ... here.
6645         When not configured with CLooG, print to dump_file that
6646         Graphite transforms were not performed.
6647         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6648         New.
6649         * gcc.dg/graphite/*.c: Updated all testcases to use
6650         scan-graphite-dump-times.
6651
6652 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6653
6654         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6655         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6656
6657 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6658             Jan Sjodin  <jan.sjodin@amd.com>
6659
6660         * configure: Regenerated.
6661         * omp-low.c (expand_omp_sections): Remove now unused code.
6662         * config.in (HAVE_polylib): Removed.
6663         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6664         (PPLLIBS, PPLINC): Added.
6665         * graphite.c: Replace unsigned with int wherever possible.
6666         Don't access Cloog's data structures, but use accessor functions.
6667         Clast's stmt->type is now implemented as a vtable: change the
6668         switches of stmt->type into ifs.
6669         (polylib/polylibgmp.h): Don't include.
6670         (initialize_dependence_polyhedron,
6671         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6672         statement_precedes_p, test_dependence, build_rdg_all_levels,
6673         dump_dependence_graph): Removed until this code is cleaned up
6674         or ported to Cloog.
6675         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6676         (POLYLIBINC): Renamed PPLINC.
6677
6678 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6679             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6680             Jan Sjodin  <jan.sjodin@amd.com>
6681
6682         Finish the merge and tuplification of graphite.
6683
6684 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6685             Jan Sjodin  <jan.sjodin@amd.com>
6686
6687         Partial merge from mainline (138072:138275).
6688         * graphite.c still has to be tuplified.
6689
6690 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6691
6692         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6693         (create_num_from_index): New.
6694         (get_num_from_index): Also pass in the graphite BB.
6695         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6696         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6697         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6698         (is_interchange_valid): Return false when failing.
6699         * graphite.h (struct num_map): New.
6700         (struct graphite_bb): New field num_map.
6701         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6702
6703 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6704
6705         * graphite.c (dump_gbb_conditions): Print also conditions like
6706         "if (a)".  Remove dublicated code and use print_generic_expr ().
6707         (stmt_simple_for_scop_p): Only allow conditions we can handle
6708         {<, <=, >, >=}.
6709
6710 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6711
6712         * graphite.h (struct scop): Removed new_ivs field.
6713         (SCOP_NEWIVS): Deleted.
6714         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6715         clast_to_gcc_expression, graphite_create_new_loop):
6716         Removed use of new_ivs.
6717
6718 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6719
6720         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6721         create_loops_mapping_num, debug_loop_mapping_1): New.
6722         (debug_loop_mapping): Call debug_loop_mapping_1.
6723         (get_loop_mapping_for_num,
6724         graphite_loops_mapping_add_child,
6725         graphite_loops_mapping_add_child_num,
6726         graphite_loops_mapping_insert_child,
6727         graphite_loops_mapping_parent,
6728         split_loop_mapped_depth_for_num,
6729         loop_mapped_depth_split_loop): New.
6730         (increment_loop_mapped_depths): Removed.
6731         (swap_loop_mapped_depth_for_num): Reimplemented.
6732         (new_scop): Call create_loops_mapping.
6733         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6734         (translate_clast): Pass the old loop father in parameter, and pass
6735         it to get_old_iv_from_ssa_name.
6736         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6737         can_generate_code, can_generate_for_scop): New.
6738         (graphite_trans_bb_block): Returns false when it fails to transform.
6739         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6740
6741 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6742
6743         Reverted all the changes related to the streamization and
6744         loop fusion.
6745         These changes are now tracked in the streamization branch.
6746
6747 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6748             Jan Sjodin  <jan.sjodin@amd.com>
6749
6750         * graphite.c (gbb_compare): Correctly constify.
6751         (gbb_can_be_ignored): Indent.
6752         (graphite_trans_scop_swap_1and2): Add legality check.
6753         Remove dead FIXMEs.
6754
6755 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6756
6757         Remove fallouts from "Reverted the Condate changes".
6758         * tree.h: Remove unused decl.
6759         * gcc.dg/tree-checker: Same.
6760         * timevar.def: Remove counter.
6761
6762 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6763
6764         * Merge from mainline (135673:138072).
6765
6766         Reverted the MIRO changes (from 2008-04-05) that are now
6767         tracked in the miro branch.
6768         * tree-bounds.c: Removed.
6769         * tree-bounds.h: Removed.
6770
6771         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6772         are now tracked in the condate branch.
6773         * tree-check.c: Removed.
6774         * tree-match.c: Removed.
6775         * condate.y: Removed.
6776
6777 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6778
6779         * common.opt: New user flag -floop-block, -floop-strip-mine
6780         and -floop-interchange.
6781         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6782         graphite loop optimization flags is turned on.
6783         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
6784         flag_loop_strip_mine and flag_loop_interchange checks before
6785         optimizations.
6786         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
6787         -floop-strip-mine and -floop-interchange.
6788         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
6789         -fgraphite.
6790         * gcc.dg/graphite/scop-16.c: Ditto.
6791         * gcc.dg/graphite/scop-17.c: Ditto.
6792         * gcc.dg/graphite/scop-18.c: Ditto.
6793
6794 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
6795             Sebastian Pop  <sebastian.pop@amd.com>
6796
6797         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
6798         (create_empty_loop_on_edge): More fixes.
6799         * tree-phinodes.c (resize_phi_node): Extern.
6800         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
6801         * cfghooks.c (update_dominator_information): New split from
6802         split_edge.
6803         * tree-vectorizer.c (rename_variables_in_bb): Extern.
6804         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
6805         successor of the function entry block.
6806
6807         * graphite.c: Include pointer-set.h.
6808         (debug_loop_mapping, increment_loop_mapped_depths,
6809         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
6810         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
6811         swap_loop_mapped_depth_for_num, get_num_from_index,
6812         swap_loop_mapped_depth, loop_iv_stack_debug,
6813         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
6814         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
6815         get_old_iv_from_ssa_name): New.
6816         (new_scop): Initialize SCOP_LOOPS_MAPPING.
6817         (free_scop): Free SCOP_LOOPS_MAPPING.
6818         (scop_record_loop): Record old ivs.
6819         (create_var_name): Removed.
6820         (initialize_cloog_names): Allocate double space in case strip mine
6821         applies to all loops once.
6822         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
6823         (clast_to_gcc_expression): Same.  Implement more clast to gimple
6824         translation.
6825         (graphite_create_new_loop): Pass in ivstack.
6826         (remove_all_edges): Pass in the construction_edge.
6827         (graphite_remove_iv): Removed.
6828         (graphite_rename_ivs, graphite_rename_ivs_stmt,
6829         remove_cond_exprs): Rewritten.
6830         (move_phi_nodes): New.
6831         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
6832         (translate_clast): Pass in ivstack.  Rewrite some cases.
6833         (set_cloog_options, debug_clast_stmt): New.
6834         (find_transform): Use set_cloog_options.
6835         (outermost_loop_layer): Removed.
6836         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
6837         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
6838         mark_old_loops, remove_dead_loops): New.
6839         (gloog): Rewritten.
6840         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
6841         (const_column_index, get_first_matching_sign_row_index,
6842         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
6843         get_upper_bound): New.
6844         (graphite_trans_bb_strip_mine): Also update the iv map.
6845
6846         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
6847         (struct name_tree): Add a loop field.
6848         (struct scop): Add a graphite_loops_mapping field.
6849         (SCOP_LOOPS_MAPPING): New.
6850         (debug_clast_stmt): Declare.
6851         * lambda.h (find_induction_var_from_exit_cond): Declare.
6852         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
6853         * cfgloop.h (update_dominators_in_loop): Removed declaration.
6854         (create_empty_loop_on_edge): Updated.
6855         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
6856         rename_variables_in_bb): Declare.
6857         * tree-cfg.c (remove_bb): Extern.
6858
6859         * gcc.dg/graphite/block-0.c: New.
6860
6861 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6862             Sebastian Pop  <sebastian.pop@amd.com>
6863
6864         * graphite.c (strip_mine_profitable_p): New.
6865         (graphite_trans_bb_block): Disable strip mining if not profitable.
6866
6867         * gcc.dg/graphite/scop-18.c: New.
6868         * gcc.dg/graphite/scop-17.c: Fixed.
6869         * gcc.dg/graphite/scop-16.c: Fixed.
6870
6871 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
6872             Jan Sjodin  <jan.sjodin@amd.com>
6873             Sebastian Pop  <sebastian.pop@amd.com>
6874
6875         * graphite.c (is_interchange_valid): New.
6876         (graphite_trans_bb_block): Check loop nest of basic block for legality
6877         of interchange.
6878
6879         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
6880         outer_most_loop, gbb_outer_most_loop_index): New.
6881
6882         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
6883         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
6884         * gcc.dg/graphite/scop-16.c: New.
6885         * gcc.dg/graphite/scop-17.c: New.
6886
6887 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6888
6889         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
6890         (graphite_trans_scop_block): Ignore SCoPs without bbs.
6891
6892 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6893
6894         * graphite.c (new_scop): Initialize SCOP_EXIT.
6895         (scopdet_info): Add.
6896         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
6897         (build_scops_1): Cleanup, bugfixes.
6898         (build_scops): Cleanup.
6899
6900         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
6901         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
6902
6903 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6904
6905         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
6906
6907         * gfortran.dg/graphite/graphite.exp: Use
6908         DEFAULT_GRAPHITE_FLAGS.
6909
6910         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
6911
6912 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6913
6914         * graphite.c (scan_tree_for_params): Do not assert any more if
6915         MULT_EXPR parameter is negative.
6916
6917         * gfortran.dg/graphite/scop-1.f: New.
6918
6919         * gfortran.dg/graphite/graphite.exp: New.
6920
6921         * gcc.dg/graphite/scop-15.c: New.
6922
6923 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
6924
6925         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
6926
6927 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6928
6929         * graphite.c (graphite_trans_bb_swap_loops): Rename from
6930         graphite_swap_loops.
6931         (graphite_trans_bb_move_loop): New.
6932         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
6933         (graphite_trans_bb_block): New.
6934         (graphite_trans_loop_block): New.
6935         (graphite_trans_scop_swap_1and2): Rename from
6936         graphite_trans_swap_1and2.
6937         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
6938         (graphite_trans_scop_block): New.
6939         (graphite_apply_transformations): Rename from
6940         graphite_transformations.
6941
6942         * gcc.dg/graphite/scop-matmult.c: New.
6943
6944 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6945
6946         * graphite.c (gbb_compare): New.
6947         (graphite_sort_gbbs): New.
6948         (gbb_can_be_ignored): New.
6949         (scop_remove_ignoreable_gbbs): New.
6950         (graphite_transformations): Cleanup and add
6951         scop_remove_ignoreable_gbbs.
6952         * lambda.h (lambda_vector_compare): New.
6953
6954 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6955
6956         * graphite.c (print_graphite_bb): Correct printing of static schedule.
6957         (graphite_swap_loops): int -> unsigned
6958         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
6959         (graphite_transformations): New.
6960         (graphite_transform_loops): Move to graphite_transformations.
6961         * graphite.h (gbb_nb_loops): Return unsigned.
6962
6963 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6964
6965         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
6966         the domain matrix.  This makes scop-0.c work again.
6967
6968 2008-06-20  Richard Guenther  <rguenther@suse.de>
6969
6970         * graphite.h: Adjust copyright to GPLv3.
6971         * graphite.c: Likewise.
6972         (stmt_simple_memref_for_scop_p): Split out from ...
6973         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
6974         and simplify.
6975         (get_bb_type): Optimize.
6976         (is_pred): Remove.
6977         (is_bb_addable): Fix memleak, replace is_pred call with
6978         single_pred.
6979         (build_scops): Use current_loops.
6980         (param_index): Fix memleak.
6981
6982 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6983
6984         * graphite.c: Fix formatting.
6985
6986 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6987
6988         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
6989         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
6990         (create_var_name, save_var_name): Newly defined functions.
6991         (initialize_cloog_names): Part of the code factored out to
6992         save_var_name.
6993         (clast_to_gcc_expression): Now handles the case of clast_red_sum
6994         in clast_reduction statement.
6995         (graphite_create_new_loop): Now takes a new parameter
6996         for outer_loop.
6997         (translate_clast): Now also takes the context_loop and bb_exit
6998         parameters. Rewritten the code so that it creates a gimple code
6999         inside the given context.
7000         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7001         remove_cond_expr, disconnect_cond_expr,
7002         disconnect_virtual_phi_nodes): Newly defined functions.
7003         * graphite.h (struct scop): added old_ivs vector.
7004         SCOP_OLDIVS: New macro.
7005
7006 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7007
7008         * cfgloopmanip.c: Add missing function comments, fix formatting.
7009
7010 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7011
7012         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7013         (create_empty_loop_on_edge): Defined.
7014         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7015         instead of void.
7016         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7017         (update_dominators_in_loop): Declared as extern
7018         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7019
7020 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7021
7022         * graphite.c (print_graphite_bb): Allow changing number of loops
7023         in SCoP domain.
7024         (initialize_cloog_names): Allow changing number of loops.
7025         (build_cloog_prog): Simplify.
7026         (find_transform): Enable cloog option --strides.
7027         (graphite_swap_loops): New.
7028         (graphite_strip_mine_loop): New.
7029         (graphite_trans_swap_1and2): New.
7030         (graphite_trans_strip): New.
7031         (graphite_transform_loops): Add graphite_trans_strip.
7032         * graphite.h (scop_max_loop_depth): New.
7033
7034 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7035
7036         * graphite.c (build_scop_iteration_domain): Remove forgotten
7037         line. (Fixes compile)
7038
7039 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7040
7041         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7042         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7043         (build_bb_loops): New.
7044         (graphite_transform_loops): Add build_bb_loops.
7045         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7046         numbers.
7047         * graphite.h (graphite_bb): Add loops.
7048         (gbb_nb_loops): New.
7049         (gbb_loop_at_index): New.
7050         (gbb_loop_index): New.
7051         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7052         using nb_params_in_scop.
7053
7054 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7055
7056         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7057         (build_scop_canonical_schedules): Build minimized schedule.
7058         (schedule_to_scattering): Adapt to minimized schedule.
7059         * graphite.h (graphite_bb): Add/Update descriptions.
7060
7061 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7062             Tobias Grosser  <grosser@fim.uni-passau.de>
7063
7064         * graphite.c (print_graphite_bb): Add condition printing.
7065         (dump_value): New.
7066         (dump_gbb_conditions): New.
7067         (build_scop_conditions_1): New.
7068         (build_scop_conditions): New.
7069         * graphite.h (graphite_bb): Add conditions.
7070
7071 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7072
7073         * graphite.c (print_graphite_bb):
7074         (free_graphite_bb): New.
7075         (free_scop): Free bbs.
7076         (get_bb_type): Free doms.
7077         (build_scop_context): Free context matrix.
7078         (build_loop_iteration_domains): Remove unused code.
7079         (build_cloog_prog): Free scattering function and blocklist.
7080         (find_transform): Free options.
7081
7082 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7083
7084         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7085         Remove unnecessery cloog data structures. Make a copy of the domain
7086         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7087         unnecessary cloog data structures. Fix memory leaks. Remove insert
7088         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7089         used.
7090         (build_scop_iteration_domain): Remove unnecessary cloog
7091         data structures.  Fix memory leaks.
7092         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7093         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7094
7095 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7096
7097         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7098
7099 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7100
7101         * graphite.c (end_scop): Style fix.
7102         (schedule_to_scattering): Style and comment fix.
7103
7104 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7105         * graphite.c (print_graphite_bb): Fix definiton of
7106         schedule_to_scattering.
7107         (initialize_cloog_names): Change nb_scattdims to max loop
7108         depth in SCoP.
7109         (schedule_to_scattering): Take parameter for number of scattering
7110         dimensions.
7111         (build_cloog_prog): Only build as much scattering dimensions as
7112         necessary.
7113
7114 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7115
7116         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7117         in polyhedron/aermod.f90.
7118
7119 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7120             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7121             Harsha Jagasia  <harsha.jagasia@amd.com>
7122
7123         * graphite.c (is_bb_addable): Fix segfault.
7124
7125 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7126
7127         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7128         with multiple exits and conditional handling in edge cases.
7129         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7130
7131         * gcc.dg/graphite/scop-14.c: New.
7132
7133 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7134             Adrien Eliche  <aeliche@isty.uvsq.fr>
7135
7136         * graphite.c (is_bb_addable): Add more comments and enhance
7137         readablity of the source code. Fix memory leak.
7138         (is_loop_exit): Fix memory leak.
7139
7140 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7141
7142         * graphite.c (first_loop_in_scop): Deleted.
7143         (setup_cloog_loop): Only walk the loop chain for inner loops.
7144         (build_scop_iteration_domain): Execute setup_cloog_loop for
7145         all loops in the first layer.
7146
7147 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7148
7149         * graphite.c (scan_tree_for_params): Change the way params are
7150         added to be indepenent of the number of loops.
7151         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7152         handling.
7153         (build_cloog_prog): Revert to short matrix format.
7154
7155 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7156             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7157
7158         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7159         warning.
7160
7161 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7162
7163         * graphite.c (nb_data_refs_in_scop): New.
7164         (graphite_transform_loops): Print more stats: number of
7165         loops, basic blocks and data references per scop.
7166
7167 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7168             Jan Sjodin  <jan.sjodin@amd.com>
7169
7170         * graphite.c (loop_affine_expr, idx_record_params,
7171         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7172         instead of instantiate_parameters.
7173
7174 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7175
7176         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7177         add support for parameters, add STATIC_SCHEDULE at the right places,
7178         cleanup.
7179
7180 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7181
7182         * graphite.c (build_scop_loop_nests): Only add the loops, that
7183         are contained completely in the SCoP.
7184         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7185         and the domains are fixed.
7186         (build_scop_canonical_schedules): Add support for bbs not contained
7187         in any SCoP.
7188
7189 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7190
7191         * graphite.h (scop_contains_loop): Update comments to match
7192         the actual behavior.
7193         (scop_contains_loop): New.
7194         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7195
7196 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7197
7198         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7199         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7200         as GBB_COND_HEADER.
7201
7202 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7203             Tobias Grosser  <grosser@fim.uni-passau.de>
7204
7205         * graphite.c (graphite_transform_loops): Early return when
7206         there are no loops in the function.
7207
7208 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7209             Jan Sjodin  <jan.sjodin@amd.com>
7210
7211         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7212         offset of the last loop.
7213         (setup_cloog_loop): Copy the entire outer constraint matrix.
7214
7215 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7216             Jan Sjodin  <jan.sjodin@amd.com>
7217
7218         * graphite.c (stmt_in_scop_p, function_parameter_p,
7219         invariant_in_scop_p): Removed.
7220         (scan_tree_for_params): Can be used with no constraint
7221         matrix for gathering parameters.
7222         (idx_record_params): Don't use idx_record_param, instead use
7223         scan_tree_for_params.
7224         (find_scop_parameters): Same.
7225         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7226         Fix the size of loop domains.
7227         (schedule_to_scattering): Exit when the outer loop is not in scop.
7228         (find_transform): Enable build_cloog_prog.
7229
7230 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7231             Jan Sjodin  <jan.sjodin@amd.com>
7232
7233         * graphite.c (schedule_to_scattering): Make scattering domains
7234         uniformly of the same size, as required by CLooG 0.14.0 and before.
7235
7236 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7237             Jan Sjodin  <jan.sjodin@amd.com>
7238
7239         * graphite.c (schedule_to_scattering): Rewrite, correct the
7240         translation of the scheduling function to scattering.
7241         (build_cloog_prog): Call schedule_to_scattering only once.
7242         * graphite.h (scop_loop_index): Do not fail for loops not
7243         in the scop: return -1.
7244
7245 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7246
7247         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7248         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7249         (setup_cloog_loop): Export GBB_DOMAIN.
7250         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7251         able to rebuild the original control flow.
7252         * graphite.h (graphite_bb): Add domain field and access macro.
7253         (GBB_DOMAIN): New.
7254
7255 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7256
7257         * graphite.c (debug_gbb): New.
7258         (print_scop, build_graphite_bb): Use SCOP_BBS.
7259         (build_scop_bbs): Reimplemented.
7260         (dfs_bb_in_scop_p): Removed.
7261         (build_scop_loop_nests): Reorder loops inserted in
7262         SCOP_LOOP_NEST: outer loops should come first.
7263         (build_scop_canonical_schedules): Reinitialize at zero
7264         the components of the SCOP_STATIC_SCHEDULE for the loops
7265         that have already been parsed.
7266
7267         * graphite.h (debug_gbb): Declared.
7268
7269 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7270             Jan Sjodin  <jan.sjodin@amd.com>
7271
7272         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7273         (graphite_loop_to_gcc_loop): Removed.
7274         (remove_all_edges): New.
7275         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7276         (gloog): Remove useless code.
7277
7278 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7279
7280         * graphite.c (get_bb_type): Reworked. We distinguish between
7281         loops with one or multiple exits.
7282         (is_loop_exit): New.
7283         (is_pred): New.
7284         (is_bb_addable): Rework condition handling, now support for case
7285         case statements and loops with multiple exits.
7286
7287         * gcc.dg/graphite/scop-11.c: New.
7288         * gcc.dg/graphite/scop-12.c: New.
7289         * gcc.dg/graphite/scop-13.c: New.
7290
7291 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7292
7293         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7294         we have too many colors.
7295
7296 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7297
7298         * doc/invoke.texi (-ftree-loop-fusion): Document.
7299         * tree-pass.h (pass_loop_fusion): Declared.
7300         * tree-loop-fusion.c: New.
7301         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7302         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7303         * tree-data-ref.h (find_data_references_in_loop): Declared.
7304         * common.opt (ftree-loop-fusion): Declared.
7305         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7306
7307 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7308
7309         * graphite.c (build_access_matrix): Fix typo from the merge.
7310
7311 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7312
7313         * Merge from mainline (130800:135673).
7314
7315 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7316
7317         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7318         Update dominators after splitting.
7319
7320 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7321
7322         * graphite.c (is_bb_addable): Return the harmful statement.
7323         Factor up some code.
7324         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7325         (build_scops_1): Call end_scop.
7326
7327 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7328
7329         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7330         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7331         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7332         build_scops_1): Removed.
7333         (build_scops_2): Renamed build_scops_1.
7334
7335 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7336
7337         * graphite.c: Fix formatting.
7338
7339 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7340
7341         * graphite.c (get_bb_type): New.
7342         (move_scops): New.
7343         (build_scops_2): New.
7344         (is_bb_addable): New.
7345         (build_scops): Switch the scop detection.
7346         (build_scop_bbs): Add entry bb to scop.
7347         * graphite.h (struct scop): Update comment.
7348
7349 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7350
7351         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7352         more colors.
7353
7354 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7355
7356         * gcc.dg/graphite/scop-1.c: Update.
7357         * gcc.dg/graphite/scop-2.c: Update.
7358         * gcc.dg/graphite/scop-4.c: Update.
7359         * gcc.dg/graphite/scop-5.c: Add.
7360         * gcc.dg/graphite/scop-6.c: Add.
7361
7362 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7363
7364         * gcc.dg/graphite/scop-0.c: Add.
7365         * gcc.dg/graphite/scop-7.c: Add.
7366         * gcc.dg/graphite/scop-8.c: Add.
7367         * gcc.dg/graphite/scop-9.c: Add.
7368         * gcc.dg/graphite/scop-10.c: Add.
7369
7370 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7371
7372         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7373         Check affine expressions depending on the outermost loop
7374         instead of a scop.
7375         (stmt_simple_for_scop_p): Same.
7376         (harmfule_stmt_in_scop): Same.
7377
7378 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7379
7380         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7381         mark entry and exit, that are not part of the SCoP and update HTML
7382         formatting.
7383
7384 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7385
7386         * graphite.c (basic_block_simple_for_scop_p): Renamed
7387         harmful_stmt_in_bb.
7388         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7389         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7390         (all_preds_visited_p, all_succs_visited_p,
7391         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7392         scop_end_loop): New.
7393         (build_scops): Do not use dfs_enumerate_from.
7394
7395         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7396
7397 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7398
7399         * graphite.c: Add comments to functions that are missing a
7400         description.
7401         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7402
7403 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7404
7405         * graphite.c (nb_params_in_scop): Moved...
7406         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7407         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7408         (clast_to_gcc_expression): Reduce column size to less than 80.
7409         (graphite_create_iv): Return the new name of the IV.
7410         (find_transform): Set options->esp and options->cpp.
7411         (gloog): Comment out the invalidation of the old loop code.
7412         (initialize_dependence_polyhedron): Replace scop_nb_params with
7413         nb_params_in_scop.
7414
7415         * graphite.h (nb_params_in_scop): ... here.
7416         (scop_nb_params): Removed.
7417         (loop_domain_dim): Return something even when the loop was not
7418         found in the hash table: avoid ICEing on all the graphite.exp
7419         testcases.
7420
7421 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7422
7423         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7424
7425         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7426         according to nesting level.
7427         (find_scop_parameters): Call instantiate_parameters.
7428         (scan_tree_for_params): Extend it to handle general affine bounds.
7429         Inner loop bound can depend on outer loop induction variable.
7430         (setup_cloog_loop): tmp variable is allocated on stack. Call
7431         instantiate_parameters with respect to outermost_loop_in_scop.
7432         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7433         graphite.h.
7434         (create_empty_loop): Function loopify should be given edge
7435         probability, instead of edge frequency. Dominance relation from
7436         switch_bb to loop_header.
7437         (clast_to_gcc_expression): Added handling of clast_reduction node.
7438         (gloog): New functionality for removing old loop.
7439         (test_dependence): Factored out from build_rdg_all_levels.
7440         (build_rdg_all_levels): Dependence testing factored out to
7441         test_dependence function.
7442
7443         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7444         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7445         from graphite.c
7446
7447 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7448
7449         * graphite.c (free_scop, param_index, initialize_cloog_names,
7450         nb_params_in_scop): Use name_tree map instead of just a tree
7451         for keeping track of the variable name associated to that tree.
7452         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7453         clast_to_gcc_expression, graphite_create_iv,
7454         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7455         graphite_stmt_to_gcc_stmt): New.
7456         (gloog): Call these.
7457         * graphite.h (struct name_tree): New.
7458         (struct scop): Use name_tree instead of tree for params.
7459         Store a vector of name_tree for new_ivs.
7460         (SCOP_NEWIVS): New.
7461         (scop_nb_params): Use name_tree instead of tree.
7462
7463 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7464             Sebastian Pop  <sebastian.pop@amd.com>
7465
7466         * tree-bounds.c: New.
7467         * tree-bounds.h: New.
7468         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7469         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7470         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7471         flag_mudflap.
7472         * gcc.c: Same.
7473         * toplev.c: Same.
7474         * c-cppbuiltin.c: Same.
7475         * c-pragma.c: Same.
7476         * common.opt: Same.
7477         * varasm.c: Same.
7478         * tree-outof-ssa.c: Same.
7479         * c-common.c: Same.
7480         * Makefile.in: Same.
7481
7482 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7483             Sebastian Pop  <sebastian.pop@amd.com>
7484
7485         * tree-loop-distribution.c (remaining_stmts,
7486         upstream_mem_writes): Removed static variables.
7487         (copy_loop_before, create_bb_after_loop,
7488         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7489         rdg_build_components, rdg_build_partitions,
7490         dump_rdg_partitions): Extern.
7491         (generate_loops_for_partition, generate_code_for_partition): Do not
7492         return a bool.
7493         (already_processed_vertex_p, predecessor_has_mem_write,
7494         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7495         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7496         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7497         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7498         Pass remaining_stmts and upstream_mem_writes as parameters.
7499         (rdg_component): Moved...
7500         (build_rdg_partition_for_component): Do not aggregate components when
7501         flag_streamize_loops is set.
7502         (gen_sequential_loops): New.
7503         (ldist_gen): Call gen_sequential_loops.
7504
7505         * tree-pass.h (pass_loop_streamization): Declared.
7506
7507         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7508         basic blocks when loops structures exist.
7509
7510         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7511
7512         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7513
7514         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7515         eliminate_local_variables_stmt, eliminate_local_variables,
7516         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7517         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7518         of code delimited by two edges in the CFG.
7519         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7520         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7521         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7522         the case of parallelisation of reductions.
7523         (create_loop_fn): Extern.
7524         (create_omp_parallel_region): New.
7525
7526         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7527         dump_data_reference for printing dra and drb.
7528         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7529         RDGE_RELATION.
7530         (build_rdg): Don't call free_dependence_relations for the moment, as
7531         we attach dependence relations on each edge of the RDG.
7532         To be fixed later.
7533
7534         * tree-data-ref.h (rdg_component): ...here.
7535         (struct rdg_edge): New field ddr_p relation.
7536         (RDGE_RELATION): New.
7537         (create_bb_after_loop, copy_loop_before,
7538         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7539         rdg_build_partitions, dump_rdg_partitions,
7540         free_rdg_components): Declared.
7541
7542         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7543         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7544
7545         * tree-loop-streamization.c: New.
7546
7547         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7548         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7549
7550         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7551
7552         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7553
7554         * passes.c: Schedule pass_loop_streamization.
7555
7556 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7557
7558         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7559         update comment.
7560
7561 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7562
7563         * graphite.c (dot_all_scops): Update formatting.
7564         Bbs can now be part of more than one SCoP.
7565
7566 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7567
7568         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7569         malloc problems.
7570         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7571         * graphite.h (loop_to_cloog_loop): New.
7572
7573 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7574
7575         * graphite.c (loop_domain_dim, ref_nb_loops,
7576         loop_iteration_vector_dim): New.
7577         (build_access_matrix_with_af, build_access_matrix,
7578         initialize_dependence_polyhedron): Fixed for new matrix layout.
7579         No longer assume that all iteration domains are of the same
7580         dimensionality.
7581
7582 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7583
7584         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7585         defined in a loop at depth 0 is invariant.
7586         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7587         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7588         be called at loop depth 0.
7589
7590         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7591         a parameter.
7592         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7593         (down_open_scop): Removed.
7594         (loop_in_scop_p): Redefined.
7595         (scop_affine_expr): New argument: scop.
7596         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7597         a harmful statement ending a scop.
7598         (basic_block_simple_for_scop_p): New argument: scop.
7599         (get_loop_start): Removed.
7600         (new_scop): Initialize SCOP_LOOPS.
7601         (free_scop): Free SCOP_LOOPS.
7602         (succs_at_same_depth, preds_at_same_depth): New.
7603         (end_scop): Test the validity of a scop.
7604         (add_dominators_to_open_scops): New.
7605         (test_for_scop_bound): Call add_dominators_to_open_scops.
7606         Add cases for opening and closing multiple scops.
7607         (build_scops, build_scop_bbs): Iterate over basic blocks in
7608         depth first order.
7609         (build_graphite_bb): Pass scop directly.
7610         (dfs_bb_in_scop_p): New.
7611         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7612         several times.
7613         (nb_loops_around_gb): Use loop_in_scop_p.
7614         (schedule_to_scattering): Disabled for the moment the code computing
7615         the "textual order for outer loop".
7616
7617         * graphite.h (struct scop): New field loops.
7618         (SCOP_LOOPS): New.
7619         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7620
7621         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7622
7623 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7624             Sebastian Pop  <sebastian.pop@amd.com>
7625
7626         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7627         * common.opt (fstreamize-loops): New.
7628         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7629         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7630         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7631         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7632
7633 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7634
7635         * tree-data-ref.c (build_empty_rdg): New.
7636         (build_rdg): Use it.
7637         * tree-data-ref.h (build_empty_rdg): Declared.
7638         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7639         (find_vertex_for_stmt): Removed.
7640         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7641
7642 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7643
7644         * tree-loop-distribution.c (generate_builtin): After cancelling the
7645         loop tree, also delete basic blocks.
7646         (rdg_flag_uses): Stop recursion when a vertex has already been
7647         processed.
7648
7649 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7650
7651         * graphite.c (build_scop_alpha): Removed.
7652         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7653         and dump_dependence_graph to avoid compiler warnings.
7654
7655 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7656
7657         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7658         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7659         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7660         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7661         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7662         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7663         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7664         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7665         dump_dependence_graph): New.
7666         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7667         (GBB_ALPHA): New.
7668         (struct scop): New field loop2cloog_loop.
7669         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7670         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7671
7672 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7673
7674         * graphite.c (build_graphite_bb): Fix initialization
7675         of the graphite basic block.
7676
7677 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7678
7679         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7680         loop domain matrix.  Pass in the number of loops contained in the
7681         constraint matrix.
7682         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7683         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7684         loops that are not surrounding the current loop are not represented
7685         in the domain constraint matrix.
7686         (build_scop_iteration_domain): Initial domain constraint matrix
7687         contains only the eq/ineq, cst, and scop parameters columns.
7688
7689 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7690
7691         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7692         (print_graphite_bb): Print scattering.
7693
7694 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7695
7696         * graphite.c (initialize_cloog_names): Initialize names of
7697         scattering variables.
7698
7699 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7700
7701         * graphite.c (dot_all_scops_1): Disable debug output while
7702         printing graph.
7703
7704 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7705
7706         * graphite.c (find_transform): Change cloog output language to C.
7707
7708 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7709
7710         * tree-loop-distribution.c (generate_memset_zero,
7711         generate_builtin, generate_code_for_partition,
7712         rdg_flag_all_uses): New.
7713         (rdg_flag_uses): Gather in the same partition the statements defining
7714         the VUSES of the current statement.
7715         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7716         Gather in the same partition not only the stores to the same memory
7717         access, but also the reads.
7718         (ldist_generate_loops): Renamed ldist_gen.
7719
7720 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7721             Tobias Grosser  <grosser@fmi.uni-passau.de>
7722
7723         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7724         next pointer, don't use the inner pointer.
7725
7726 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7727
7728         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7729         (find_transform): Call dot_all_1.
7730         * graphite.h (dot_all_scops): Declared.
7731
7732 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7733
7734         * tree-loop-distribution.c: Fix apsi.f ICE.
7735         (create_bb_after_loop): New.
7736         (generate_loops_for_partition): Use it.
7737         * gfortran.dg/ldist-1.f90: New.
7738
7739         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7740         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7741
7742 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7743
7744         * graphite.c (find_transform): Dump cloog program sent to cloog.
7745
7746 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7747
7748         * graphite.c (initialize_cloog_names): Initialize cloog
7749         iterator names.
7750
7751 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7752
7753         * graphite.c (build_scop_context): Fix typo, for the matrix
7754         format: insert '0 >= 0' instead of '-1 >= 0'.
7755
7756 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7757
7758         * Fix merge problems.
7759
7760 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7761
7762         * graphite.c (setup_cloog_loop): Fix typo.
7763
7764 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7765
7766         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7767         * tree-loop-distribution.c: Reimplemented.
7768         * tree-pass.h (pass_loop_distribution): New.
7769         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7770         print_loops.
7771         * graphds.h (struct graph): New field indexes.
7772         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7773
7774         * tree-vect-analyze.c: Remove declaration of static functions when not
7775         needed.
7776         * tree-vectorizer.c: Same.
7777         (rename_variables_in_loop): Now extern.
7778         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7779         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7780         calling redirect_edge_and_branch_force.
7781
7782         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7783
7784         * tree-data-ref.c: Don't include tree-chrec.h.
7785         (debug_data_dependence_relations): New.
7786         (dump_data_dependence_relation): Call dump_data_reference on data refs
7787         in the relation.
7788         (same_access_functions): Moved...
7789         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7790         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7791         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7792         struct rdg_vertex_info, ): New.
7793         (create_rdg_edge_for_ddr): Compute the dependence level before looking
7794         at DDR_REVERSED_P.
7795         (create_rdg_vertices): Initialize the htab of graph->indexes.
7796         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
7797         (stmts_from_loop): Don't save LABEL_EXPR.
7798         (hash_stmt_vertex_info, eq_stmt_vertex_info,
7799         hash_stmt_vertex_del): New.
7800         (build_rdg): Initialize rdg->indexes.
7801         (free_rdg, stores_from_loop, ref_base_address,
7802         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7803         have_similar_memory_accesses_1, ref_base_address_1,
7804         remove_similar_memory_refs): New.
7805
7806         * tree-data-ref.h: Include tree-chrec.h.
7807         (debug_data_dependence_relations): Declared.
7808         (same_access_functions): ...here.  Now static inline.
7809         (ddr_is_anti_dependent, ddrs_have_anti_deps,
7810         ddr_dependence_level): New.
7811         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
7812         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
7813         RDG_MEM_READS_STMT): New.
7814         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7815         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7816         rdg_vertex_for_stmt): Declared.
7817         (struct rdg_edge): New field level.
7818         (RDGE_LEVEL, free_rdg): New.
7819         (stores_from_loop, remove_similar_memory_refs,
7820         rdg_defs_used_in_other_loops_p,
7821         have_similar_memory_accesses): Declared.
7822         (rdg_has_similar_memory_accesses): New.
7823
7824         * lambda.h (dependence_level): New.
7825         * common.opt (ftree-loop-distribution): New.
7826         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
7827         (print_loop_ir): Renamed print_loops.
7828         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
7829         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
7830         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
7831         (tree-loop-distribution.o): Added.
7832         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7833         (mark_virtual_ops_in_bb): New.
7834         (print_loops_bb, debug_loop_num, debug_loop): New.
7835         * passes.c: Scheduled pass_loop_distribution.
7836
7837 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7838
7839         * graphite.c (scan_tree_for_params): Correct the number of columns
7840         for polylib format.
7841         (nb_flat_iterator): New.
7842         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
7843         (build_scop_iteration_domain): Correct the number of columns for
7844         polylib format.
7845
7846 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7847
7848         * Merge from mainline (129697:130800).
7849
7850 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
7851
7852         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
7853         dominated by SCoP's exit.
7854         (graphite_transform_loops): Compute post dominators.
7855
7856 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7857
7858         * Merge from mainline (127169:129697).
7859
7860 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
7861
7862         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
7863         parameter for the basic block that contains the expression.  Use
7864         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
7865         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
7866         the expression.
7867         * graphite.h (gbb_loop): New.
7868         (GBB_LOOP): Removed.
7869
7870 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7871
7872         * Makefile.in: Fix merge problem.
7873
7874 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
7875
7876         * Merge from mainline (125309:127169).
7877         * tree-loop-distribution.c: Disabled.
7878
7879 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
7880
7881         * Merge from mainline (r123693:125309).
7882
7883 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
7884
7885         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
7886         correct_modify_p
7887         (correct_modify_p, check_statements, number_of_lvalue_uses,
7888         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
7889         instead of MODIFY_EXPR.
7890         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
7891         and push new edges.
7892
7893 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
7894
7895         * tree-loop-distribution.c (struct rdg): Replace arrays by
7896         VECs for edges and vertices.
7897         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
7898         (RDGV_NB_PARTITIONS): New.
7899         (PRDG_NBV, PRDG_NBE): Removed.
7900         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
7901         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
7902         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
7903
7904 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
7905             Sebastian Pop  <sebpop@gmail.com>
7906
7907         * doc/invoke.texi (-ftree-loop-distribution): Document.
7908         * tree-loop-distribution.c: New file.
7909         * tree-pass.h (pass_loop_distribution): Declared.
7910         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7911         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
7912         and set reversed_p.
7913         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
7914         (DDR_REVERSED_P): New.
7915         * common.opt (-ftree-loop-distribution): New.
7916         * tree-flow.h (distribute_loops): Declared.
7917         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
7918         * passes.c (init_optimization_passes): Schedule loop distribution.
7919
7920 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
7921
7922         * graphite.c (print_graphite_bb): Don't call dump_data_references.
7923         (print_scop): Don't print when scop is NULL.
7924         (build_scop_context, find_transform): Don't output to stderr.
7925
7926 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
7927
7928         * tree-data-ref.c: Don't include graphite.h.
7929         Comment out the code for printing data reference's scop.
7930         (build_access_matrix_with_af): Moved...
7931         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
7932         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
7933         (print_graphite_bb): Print basic block's schedule.
7934         (print_scop): Don't print the schedule, call cloog's pretty printer.
7935         (bb_in_scop_p): A basic block is in a scop only if it is both
7936         dominated and postdominated by the scop's entry and exit basic blocks.
7937         (function_parameter_p): New.
7938         (invariant_in_scop_p): Use function_parameter_p.
7939         (new_scop, save_scop): New.
7940         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
7941         save_scop.
7942         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
7943         (loop_in_scop_p): New.
7944         (scop_record_loop): Use loop_in_scop_p.
7945         (build_scop_domain): Renamed build_scop_iteration_domain.
7946         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
7947         nb_params_in_scop, build_scop_context, first_loop_in_scop,
7948         setup_cloog_loop, dot_scop_1, dot_scop): New.
7949         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
7950         (struct scop): Add a pointer to cloog's representation of a program.
7951
7952 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7953
7954         * doc/invoke.texi (-ftree-check-verbose): Renamed
7955         -ftree-checks-verbose.
7956         * common.opt (flag_tree_check_verbose): Renamed
7957         flag_tree_checks_verbose.
7958         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
7959
7960 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
7961
7962         * configure: Regenerated.
7963         * config.in: Regenerated.
7964         * tree-ssa-loop.c (graphite_transforms): Execute
7965         graphite_transform_loops only when HAVE_cloog.
7966         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
7967         * graphite.c: Include polylibgmp.h and cloog.h.
7968         (graphite_transform_loops): Removed loops parameter.
7969         * tree-flow.h (graphite_transform_loops): Update declaration.
7970         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
7971         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
7972         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
7973         (OBJS-common): Remove dependence on graphite.o.
7974         (BACKEND): Depend on @GRAPHITE@.
7975
7976 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
7977
7978         * doc/invoke.texi (-ftree-check-verbose): Documented.
7979         * gcc.dg/tree-checker/tree-checks-1.c: New.
7980         * gcc.dg/tree-checker/tree-checks-2.c: New.
7981         * gcc.dg/tree-checker/tree-checks-3.c: New.
7982         * gcc.dg/tree-checker/tree-checks-4.c: New.
7983         * gcc.dg/tree-checker/tree-checks.exp: New.
7984         * gcc.dg/tree-checker/condates.crp: New.
7985         * common.opt (ftree-checks-verbose): New.
7986         * tree-check.c (tree_check_warning): Move extra stderr output
7987         under control of flag_tree_check_verbose.
7988
7989 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
7990
7991         * tree-match.c: Fix comments formatting.
7992         * tree-match.h: Fix comments formatting.
7993         * tree-check.c: Fix comments formatting.
7994         (tree_check_init): Restructure.
7995
7996 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
7997
7998         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
7999
8000 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8001
8002         * Merge from mainline (r120733:123693).
8003
8004 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8005
8006         * condate.y: New file.
8007         * tree-match.h (struct patt_info_s): New field sign.
8008         (struct condate_s): New field msg.
8009         (normalize_condate, name_condate, add_condate): New.
8010         (conds[], condate_parse): Made extern.
8011         * tree-check.c (tree_check_warning): First arg changed to cond;
8012         warning reformatted.
8013         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8014         (tree_scan): New.
8015         (tree_check): Process trivial condates.
8016         (read_delimited_string): Removed.
8017         (print_cond): Print name and msg.
8018         (conds[]): Made extern.
8019         (parse_tree_check_file_once): Rewritten to use the parser in
8020         condate.y.
8021         Processing of option --tree_check_string moved to tree_scan().
8022         * Makefile.in: Added condate.y
8023
8024 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8025
8026         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8027         Use VECs instead of varrays.
8028         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8029         * Makefile.in (pretty-print.o): Depend on vec.h.
8030         * pretty-print.c: Include tree.h and vec.h.
8031         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8032         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8033         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8034         pp_free_list): Use VECs instead of varrays.
8035         * pretty-print.h: Do not include varray.h.
8036         (struct tree_chunk_s): Declaration moved before its use.
8037         (output_buffer): Rename varray field to chunks.
8038         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8039         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8040         save_global_holes): Use VECs instead of varrays.
8041         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8042         * tree-check.c (scan_cfg_stmts, push_node,
8043         print_matching_stmt): Removed.
8044         (tree_check_instance, push_global_holes_if_new, tree_check,
8045         execute_tree_check): Use VECs instead of varrays.
8046         (gate_tree_check): Don't execute the CFG check when basic_block_info
8047         is not available.
8048
8049 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8050
8051         * Merge from mainline (r115016:120733).
8052
8053 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8054
8055         * Merge from mainline (r117632:117661).
8056
8057 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8058
8059         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8060         * tree-pass.h (TDF_DEBUG, debug_p): New.
8061         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8062         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8063         get_loop_exit_condition, analyze_evolution_in_loop,
8064         analyze_initial_condition, analyze_scalar_evolution,
8065         instantiate_parameters, number_of_latch_executions): Use debug_p.
8066         * tree-chrec.c (chrec_apply): Use debug_p.
8067         * tree-data-ref.c: Include graphite.h.
8068         (dump_data_reference): Print also the access matrix.
8069         (analyze_array, analyze_indirect_ref, init_data_ref,
8070         analyze_offset_expr, address_analysis, object_analysis,
8071         create_data_ref, finalize_ddr_dependent,
8072         non_affine_dependence_relation, analyze_ziv_subscript,
8073         analyze_siv_subscript_cst_affine,
8074         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8075         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8076         analyze_miv_subscript, analyze_overlapping_iterations,
8077         build_classic_dist_vector, subscript_dependence_tester,
8078         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8079         (build_access_matrix_with_af): No longer static.
8080         * tree-data-ref.h (scop_p): ... declaration here.
8081         (data_reference.scop): New field.
8082         (DR_SCOP, DR_ACCESS_MATRIX): New.
8083         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8084         * graphite.c (print_graphite_bb): Call dump_data_references.
8085         (print_scop): Use scop_nb_loops and scop_dim_domain.
8086         (test_for_scop_bound): Use debug_p.
8087         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8088         scop_nb_params.
8089         (scop_loop_index): Moved...
8090         (scop_record_loop): New.
8091         (build_scop_loop_nests): Use scop_record_loop.
8092         (build_scop_domain): Use scop_dim_domain.
8093         (build_access_matrix): Implemented.
8094         (build_scop_canonical_schedules): Use scop_nb_loops.
8095         (build_graphite_bb): Initialize GBB_SCOP.
8096         * graphite.h (scop_p): Moved...
8097         (graphite_bb.scop): New field.
8098         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8099         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8100         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8101         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8102         scop_loop_index): New.
8103         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8104
8105 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8106
8107         * Merge from mainline (r117661:120450).
8108
8109 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8110
8111         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8112         at the first declaration outside the varying loop, instantiate as
8113         far as possible.
8114         * tree-chrec.c (for_each_scev_op): New.
8115         * tree-chrec.h (for_each_scev_op): Declared.
8116         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8117         * tree-data-ref.c (get_references_in_stmt,
8118         find_data_references_in_stmt): New, from trunk.
8119         (find_data_references_in_loop): Use get_references_in_stmt
8120         and find_data_references_in_loop, modified as in trunk.
8121         (build_access_matrix_with_af): New.
8122         * tree-data-ref.h (data_reference): Add a field access_matrix.
8123         (data_ref_loc): New, as in trunk.
8124         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8125         invariant_in_scop_p, param_index, scan_tree_for_params,
8126         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8127         idx_record_param, idx_record_params, build_access_matrix,
8128         build_scop_data_accesses, build_scop_canonical_schedules,
8129         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8130         build_scop_params): New.
8131         * graphite.h (graphite_bb): New.
8132         (scop): Add fields static_schedule, params, loop_nest,
8133         iteration_domain.
8134         * lambda.h: Declare vecs of lambda_matrix.
8135         * tree-flow.h (print_loop_ir_bb): Declared.
8136         * tree-cfg.c (print_loop_ir_bb): New.
8137         (print_loop): Use print_loop_ir_bb.
8138
8139 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8140
8141         * Merge from mainline (r115016:117632).
8142
8143 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8144
8145         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8146         break due to a warning.
8147
8148 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8149
8150         * graphite.c (print_scops, debug_scops): New.
8151         (graphite_transform): Renamed graphite_find_transform.
8152         * graphite.h (debug_scops): Declared.
8153
8154 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8155
8156         * tree-match.c: Reformat following the GNU style.
8157         * tree-match.h: Reformat following the GNU style.
8158         * tree-pattern.h: Removed empty file.
8159         * Makefile.in: Remove references to tree-pattern.h.
8160         * tree-check.c: Reformat following the GNU style.
8161         (execute_tree_check): Move gate condition code to...
8162         (gate_tree_check): ...here.  New function.
8163         (pass_check): Use the gate function.
8164
8165 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8166
8167         * tree-pattern.h: New. Tree pattern matching and checking using
8168         concrete syntax.
8169         * tree-check.c: New. Tree/CFG checking pass.
8170         * tree-match.c: New. Library for tree pattern matching.
8171         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8172         * toplev.c, flags.h: Add globals for tree-check pass.
8173         * Makefile.in: Integrate the files in tree-check pass.
8174         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8175         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8176         Introduce a "lazy" pretty-print mode.
8177         * tree.c, tree.h: Add tree_name.
8178
8179 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8180
8181         * doc/invoke.texi (-fgraphite): Correct typo.
8182         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8183         use of print_loop_ir.
8184         * gcc.dg/graphite/scop-1.c: New.
8185         * gcc.dg/graphite/scop-2.c: New.
8186         * gcc.dg/graphite/graphite.exp: New.
8187         * graphite.c: Include domwalk.h.
8188         (print_scop): Print only the entry and exit blocks.
8189         (debug_scop): No longer static.
8190         (affine_expr): Fix formating.  Return also true when the expression is
8191         constant.
8192         (stmt_simple_for_scop_p): Fix formating.
8193         (build_scops): Use domwalk.
8194         (get_loop_start, end_scop, test_for_scop_bound): New.
8195         (graphite_transform_loops): Avoid printing on stderr.
8196         * graphite.h (debug_scop): Declared.
8197         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8198         * Makefile.in (graphite.o): Depend on domwalk.h.
8199         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8200         declarations for static functions.
8201         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8202         controlling output verbosity.
8203
8204 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8205             Plesco Alexandru  <shurikx@gmail.com>
8206
8207         * doc/invoke.texi (-fgraphite): Document.
8208         * tree-pass.h (pass_graphite_transforms): Declared.
8209         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8210         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8211         (pass_graphite_transforms): Defined.
8212         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8213         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8214         * graphite.c, graphite.h: New.
8215         * common.opt (fgraphite): Declared.
8216         * tree-flow.h (graphite_transform_loops): Declared.
8217         * Makefile.in (OBJS-common): Add graphite.o.
8218         (graphite.o): New rule.
8219         * passes.c (pass_graphite_transforms): Scheduled.
8220