gcc/ChangeLog.graphite

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