gcc/ChangeLog.graphite

   1 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/45297
   4         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
   5         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
   6         * graphite-poly.h (new_poly_bb): Update declaration.
   7         (gbb_from_bb): Moved here...
   8         (pbb_from_bb): New.
   9         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
  10         Removed.
  11         (graphite_stmt_p): Removed.
  12         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
  13         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
  14         new_poly_bb.
  15         (build_scop_bbs_1): Do not pass in sbitmap reductions.
  16         (build_scop_bbs): Same.
  17         (gbb_from_bb): ... from here.
  18         (add_conditions_to_constraints): Moved up.
  19         (analyze_drs): New.
  20         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
  21         not contain data references.
  22         (new_pbb_from_pbb): New.
  23         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
  24         block is split.
  25         (rewrite_close_phi_out_of_ssa): Update call to
  26         insert_out_of_ssa_copy_on_edge.
  27         (rewrite_reductions_out_of_ssa): Now static.
  28         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
  29         (split_pbb): New.
  30         (split_reduction_stmt): Call split_pbb.
  31         (translate_scalar_reduction_to_array): Pass in the scop, do not
  32         pass in the sbitmap reductions.
  33         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
  34         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
  35         (rewrite_commutative_reductions_out_of_ssa): Same.
  36         (build_poly_scop): Call build_scop_bbs,
  37         rewrite_commutative_reductions_out_of_ssa,
  38         rewrite_reductions_out_of_ssa, and
  39         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
  40         before scop_to_lst.
  41         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
  42         Removed declaration.
  43         (rewrite_reductions_out_of_ssa): Same.
  44         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
  45         (build_scop_bbs): Same.
  46         * graphite.c (graphite_transform_loops): Do not initialize reductions.
  47         Do not call build_scop_bbs,
  48         rewrite_commutative_reductions_out_of_ssa,
  49         rewrite_reductions_out_of_ssa, and
  50         rewrite_cross_bb_scalar_deps_out_of_ssa.
  51         * sese.h (struct gimple_bb): Add field pbb.
  52         (GBB_PBB): New.
  53
  54         * gcc.dg/graphite/pr45297.c: New.
  55
  56 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
  57
  58         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
  59         New.
  60         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
  61         handle_scalar_deps_crossing_scop_limits.
  62         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
  63         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
  64
  65 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
  66
  67         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
  68         when replacing a constant in an ADDR_EXPR.
  69
  70 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
  73         for the stride.
  74         (lst_do_strip_mine): Same.
  75         (scop_do_strip_mine): Same.
  76         * graphite-poly.c (apply_poly_transforms): Update call to
  77         scop_do_strip_mine.
  78         * graphite-poly.h (scop_do_strip_mine): Update declaration.
  79
  80 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         PR middle-end/45758
  83         * graphite.c (graphite_initialize): Call scev_reset.
  84
  85 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * sese.h (scev_analyzable_p): Return false for real or floating
  88         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
  89
  90 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         PR middle-end/45758
  93         * gfortran.dg/graphite/pr45758.f90: New.
  94
  95 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * graphite-scop-detection.c (is_scop_p): Free bblist.
  98
  99 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 102         and ps.
 103         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 104         domain.
 105         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 106         Do not allocate ub_expr, it is passed in initialized.
 107
 108 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 109
 110         * common.opt (fgraphite-dump-cloog): New flag.
 111         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 112         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 113         (build_cloog_prog): Dump CLooG input file when
 114         flag_graphite_dump_cloog is set.
 115         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 116
 117 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         Revert previous patch "New flag: -fgraphite-dump-cloog."
 120
 121 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 122
 123         * common.opt (fgraphite-dump-cloog): New flag.
 124         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 125         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 126         (build_cloog_prog): Dump CLooG input file when
 127         flag_graphite_dump_cloog is set.
 128
 129 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 130
 131         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 132         verify_dominators for CDI_POST_DOMINATORS.
 133         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 134         (recompute_all_dominators): Remove call to free_dominance_info
 135         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 136         for CDI_POST_DOMINATORS.
 137
 138 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 141         over pbb_dim_iter_domain.
 142
 143 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         * graphite-flattening.c: Fix comments.
 146
 147 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 150         (graphite-flattening.o): New rule.
 151         * common.opt (floop-flatten): New flag.
 152         * doc/invoke.texi (-floop-flatten): Documented.
 153         * graphite-flattening.c: New.
 154         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 155         * graphite-poly.h (flatten_all_loops): Declared.
 156         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 157         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 158         is set, also set flag_graphite.
 159
 160 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 161
 162         * graphite-poly.c (cloog_checksum): New.
 163         * graphite-poly.h (cloog_checksum): Declared.
 164
 165 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-poly.c (pbb_number_of_iterations): Removed.
 168         (pbb_number_of_iterations_at_time): Correctly compute the number
 169         of iterations in the transformed loop.
 170         * graphite-poly.h (pbb_number_of_iterations): Removed.
 171
 172 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         * graphite-poly.h (lst_update_scattering_seq): Removed.
 175         (lst_update_scattering): Correctly handle outermost loop dewey
 176         renumbering.
 177
 178 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 179
 180         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 181         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 182         * graphite-poly.h (lst_niter_for_loop): New.
 183
 184 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 187         transform read from disk is not legal.  Call fatal_error instead.
 188
 189 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 192         (print_scop_header): Removed.  Inlined in the only call place...
 193         (print_scop): ... here.
 194
 195 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 198
 199 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 200
 201         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 202         (is_valid_stmt_p): Add data reference and operation-specific checks.
 203         (is_valid_bb_p): Change structure, add loop validity check.
 204         (is_scop_p): Move the TODO list
 205         (find_scops_new): New.
 206         (build_scops_new): Move part of functionality to find_scops_new and
 207         build_scops.  Add necessary steps for successful SCoP construction.
 208         (build_scops): Compute SCoP sets for both detection algorithms, choose
 209         the resulting one depending on static condition.
 210
 211 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 214
 215 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 216
 217         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 218         (dot_deps_stmt): Same.
 219         * graphite-poly.c (dot_lst): Same.
 220
 221 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 222
 223         * graphite-blocking.c (scop_do_strip_mine): Do not call
 224         graphite_legal_transform.
 225         (scop_do_block): Same.
 226
 227 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 228
 229         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 230         description.
 231
 232 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 233
 234         PR middle-end/45230
 235         * gcc.dg/graphite/id-pr45230.c: New.
 236
 237 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 238
 239         * tree-scalar-evolution.c (instantiate_array_ref): New.
 240         (instantiate_scev_r): Also handle ARRAY_REFs.
 241
 242 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 245         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 246         RESULT_DECL, and FIELD_DECL.  Return false for an
 247         SSA_NAME_IS_DEFAULT_DEF.
 248         (compute_scalar_evolution_in_loop): Do not further analyze the
 249         scalar evolution when no_evolution_in_loop_p returns true.
 250
 251 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 252
 253         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 254         whether CHREC_LEFT is invariant.  A function is affine when
 255         CHREC_RIGHT is invariant.
 256
 257 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 260         is_gimple_reg.
 261         (rewrite_degenerate_phi): Same.
 262         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 263
 264 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 265
 266         * graphite-scop-detection.c (graphite_can_represent_scev,
 267         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 268         graphite_can_represent_loop): Remove outermost_loop.
 269
 270 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 271
 272         PR middle-end/45229
 273         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 274         handle GIMPLE_CALLs with no LHS.
 275
 276 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 277             Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 280         Call remove-build-file to clean up the generated *.graphite files.
 281
 282 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 283
 284         * doc/invoke.texi (debugging options): Update documentation.
 285         (-floop-interchange): Same.
 286         (-flopp-strip-mine): Same.
 287         (-floop-block): Same.
 288         (-fgraphite-read): Add documentation.
 289         (-fgraphite-write): Same.
 290
 291 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 292
 293         * toplev.c (process_options): Disable graphite loop optimization
 294         options when -fgraphite-read flag is used.
 295
 296 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 297
 298         * graphite-poly.c (init_graphite_out_file): New.
 299         (init_graphite_in_file): New.
 300         (apply_poly_transforms): Updated to enable reading and writing of
 301         multiple scop files.
 302         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 303
 304 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 305
 306         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 307         redundant checks.
 308
 309 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 310
 311         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 312         computation of precision by 1.
 313
 314 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 315
 316         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 317         (openscop_read_polyhedron_matrix): New.
 318         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 319         (openscop_read_N_int): Same.
 320         * graphite-poly.c (openscop_read_N_int): New.
 321         (openscop_read_one_int): New.
 322         (openscop_read_N_string): New.
 323         (openscop_read_one_string): New.
 324         (openscop_read_powerset_matrix): New.
 325         (graphite_read_transforms): Remove.
 326         (graphite_read_scatt): New.
 327         (graphite_read_scop_file): New.
 328         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 329
 330 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 331
 332         * graphite-poly.c: Change include order.
 333
 334 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 335
 336         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 337         (cloog_matrix_nrows): New.
 338
 339 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 340
 341         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 342         from matrix lines.
 343         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 344         (print_scattering_function_1): Same.
 345         (openscop_print_pbb_domain): Same.
 346         (openscop_print_scop_context): Same.
 347         (print_scop_context): Same.
 348
 349 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 350
 351         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 352         (openscop_print_pdr_polyhedron): Print pph.
 353
 354 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 355
 356         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 357         * gfortran.dg/graphite/graphite.exp: Same.
 358         * gcc.dg/graphite/vect-pr43423.c: New.
 359
 360 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 363         priority signed types.
 364
 365 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 366
 367         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 368         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 369
 370 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 371
 372         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 373         (openscop_print_polyhedron_matrix): New.
 374         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 375         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 376         (openscop_print_pdr_powerset): New.
 377         (openscop_print_powerset_matrix): New.
 378         (openscop_print_scattering_function_1): New.
 379         (print_scattering_function): Add support for scattering names and
 380         OpenScop format.
 381         (graphite_write_transforms): Remove.
 382         (apply_poly_transforms): Updated to call print_scop.
 383         (print_pdr_access_layout): Updated to support OpenScop format.
 384         (print_pdr): Same.
 385         (openscop_print_pbb_domain): New.
 386         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 387         not provided.
 388         (print_pbb): Updated to call the new print_pbb_body.
 389         (openscop_print_scop_context): New.
 390         (print_scop_header): New.
 391         (print_scop): Updated to call print_scop_header.
 392         * graphite-poly.h: Document OpenScop format.
 393
 394 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 397         the case removed in the previous patch, when the only phi argument
 398         is defined in the same loop as the phi node itself.  Handle it
 399         separately from the invariant case by both propagating it outside
 400         the region and replacing the phi node with an assign.
 401
 402 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 403
 404         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 405         constant phi nodes with one argument are is_gimple_min_invariant
 406         and SSA_NAME_IS_DEFAULT_DEF.
 407
 408         * gfortran.dg/graphite/id-22.f: New.
 409
 410 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 411
 412         * graphite.c (graphite_initialize): Do not initialize
 413         CLooG and initialize the Parma Polyhedra Library
 414         manually when using CLOOG_ORG.
 415         (graphite_finalize): Do not finalize CLooG and finalize
 416         the Parma Polyhedra Library manually when using CLOOG_ORG.
 417         * graphite-cloog-compat.h (cloog_initialize): Hide function
 418         when using CLOOG_ORG.
 419         (cloog_finalize): Same.
 420
 421 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 422
 423         * graphite-clast-to-gimple.c (free_scattering): Change
 424         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 425         (CLOOG_ORG).
 426         (build_cloog_prog): Same.
 427         * graphite-cloog-compat.h (cloog_domain): Removed.
 428         (cloog_scattering): New.
 429         (cloog_set_domain): Removed.
 430         (cloog_set_scattering): New.
 431         (cloog_next_domain): Removed.
 432         (cloog_next_scattering): New.
 433         (cloog_set_next_domain): Removed.
 434         (cloog_set_next_scattering): New.
 435         (CloogScatteringList): New.
 436         (CloogScattering): New.
 437         (cloog_scattering_free): New.
 438         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 439         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 440         New.
 441
 442 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 443
 444         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 445         CloogState.
 446         (set_cloog_options): Same.
 447         (print_clast_stmt): Same.
 448         (scop_to_clast): Same.
 449         (print_generated_program): Same.
 450         (gloog): Same.
 451         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 452         (scop_to_clast): Extend with CloogState.
 453         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 454         (new_Cloog_Domain_from_ppl_Polyhedron):
 455         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 456         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 457         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 458         * graphite-cloog-util.h (build_cloog_prog): Same.
 459         * graphite-cloog-copat.h (build_cloog_prog): New.
 460         (CloogState): New.
 461         (cloog_state_malloc): New.
 462         (cloog_state_free): New.
 463         (cloog_loop_malloc): New.
 464         (cloog_options_malloc): New.
 465         (cloog_statement_alloc): New.
 466         (cloog_domain_from_cloog_matrix): New.
 467         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 468         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 469
 470 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 471
 472         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 473         type of NAME now depends on used CLooG version.
 474         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 475         (gcc_type_for_clast_expr): Same.
 476         (print_clast_stmt): Replace pprint with clast_pprint.
 477         * graphite-cloog-compat.h: Provide compatibility macros for
 478         CLooG Legacy.
 479         (clast_name_p): New.
 480         (clast_expr_term): New.
 481         (clast_expr_red): New.
 482         (clast_expr_bin): New.
 483         (clast_pprint): New.
 484
 485 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 486
 487         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 488         compatible to newer CLooG releases (CLOOG_ORG).
 489         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 490         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 491         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 492         (build_cloog_prog) : New.
 493         (cloog_program_extract_scalars): New.
 494         (cloog_program_scatter): New.
 495
 496 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 497
 498         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 499         conditionally (CLOOG_ORG).
 500         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 501         (cloog_statement_usr): New.
 502         (cloog_domain): Same.
 503         (cloog_set_domain): Same.
 504         (cloog_next_domain): Same.
 505         (cloog_set_next_domain): Same.
 506         (cloog_program_nb_scattdims): Same.
 507         (cloog_program_set_nb_scattdims): Same.
 508         (cloog_program_names): Same.
 509         (cloog_program_set_names): Same.
 510         (cloog_program_set_context): Same.
 511         (cloog_program_set_loop): Same.
 512         (cloog_program_blocklist): Same.
 513         (cloog_program_set_blocklist): Same.
 514         (cloog_program_scaldims): Same.
 515         (cloog_program_set_scaldims): Same.
 516         (cloog_names_nb_parameters): Same.
 517         (cloog_names_set_nb_parameters): Same.
 518         (cloog_names_parameters): Same.
 519         (cloog_names_set_parameters): Same.
 520         (cloog_names_set_nb_iterators): Same.
 521         (cloog_names_set_iterators): Same.
 522         (cloog_names_set_nb_scattering): Same.
 523         (cloog_names_set_scattering): Same.
 524         (cloog_statement_set_usr): Same.
 525         (cloog_loop_set_next): Same.
 526         (cloog_loop_set_domain): Same.
 527         (cloog_loop_set_block): Same.
 528         (cloog_block_list_next): Same.
 529         (cloog_block_list_set_next):
 530         (cloog_block_list_set_block): Same.
 531
 532 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 535         a bool.
 536         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 537         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 538         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 539         when something has been changed.
 540         (rewrite_commutative_reductions_out_of_ssa): Same.
 541
 542         * gcc.dg/graphite/id-26.c: New.
 543
 544 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 547         handle the case when def is in the sese region.
 548         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 549         for invariant expressions.
 550         (rewrite_cross_bb_phi_deps): Removed.
 551         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 552         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 553         rewrite_cross_bb_phi_deps.
 554
 555 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * graphite-sese-to-poly.c
 558         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 559         scev_analyzable_p only on is_gimple_reg
 560
 561         * gcc.dg/graphite/id-25.c: New.
 562
 563 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 564
 565         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 566         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 567         parametric expressions outside the scop region.
 568         (rewrite_cross_bb_scalar_deps): Same.
 569         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 570
 571         * gcc.dg/graphite/run-id-5.c: New.
 572         * gcc.dg/graphite/run-id-6.c: New.
 573         * gfortran.dg/graphite/id-21.f: New.
 574
 575 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 576
 577         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 578         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 579
 580         * gcc.dg/graphite/id-24.c: New.
 581
 582 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 583
 584         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 585         instantiate default definitions.
 586
 587 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 588
 589         * graphite-scop-detection.c (is_valid_stmt_p): New.
 590         (is_valid_bb_p): New.
 591
 592 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 593             Sebastian Pop  <sebastian.pop@amd.com>
 594
 595         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 596         (loop_exits_from_bb_p): New.
 597         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 598         (loop_exits_from_bb_p): Declared.
 599         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 600         loop_exits_to_bb_p.
 601
 602 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 603
 604         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 605         tree-data-ref.h.
 606         (dot_regions_1): New.
 607         (dot_regions): New.
 608         * refined-regions.h (dot_regions): Declared.
 609         * Makefile.in (refined-regions.o): Update dependences.
 610
 611 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 612
 613         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 614         extra parameter for the region.  Call scev_analyzable_p.
 615         (rewrite_reductions_out_of_ssa): Update call to
 616         rewrite_close_phi_out_of_ssa.
 617         (rewrite_cross_bb_phi_deps): Same.
 618         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 619         parameter for the region.  Call scev_analyzable_p.
 620         (rewrite_commutative_reductions_out_of_ssa): Update call to
 621         rewrite_commutative_reductions_out_of_ssa_loop.
 622
 623 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * gcc.dg/tree-ssa/pr20742.c: New.
 626
 627 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 628
 629         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 630
 631         * gcc.dg/graphite/id-23.c: New.
 632
 633 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 636         SSA scalar phi nodes that can be scev_analyzable_p.
 637
 638         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 639
 640 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 643         handle SSA_NAME_IS_DEFAULT_DEF.
 644
 645 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 646
 647         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 648
 649         * gcc.dg/graphite/pr42729.c: New.
 650
 651 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 654         case non close-phi nodes with one argument.
 655
 656 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         * sese.h (scev_analyzable_p): Scevs could be expressions without
 659         chrecs and still be scev_analyzable_p.
 660
 661 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 664
 665 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 666
 667         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 668         * cfgloop.h (struct loop): Remove single_iv field.
 669         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 670         (scop_canonicalize_loops): Removed.
 671         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 672         over all the loop phi nodes in loop->header.
 673         (build_poly_scop): Remove use of scop_canonicalize_loops.
 674
 675 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 676
 677         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 678         handle GIMPLE_CALL.
 679
 680 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * tree-chrec.c (chrec_apply): Should only apply to the specified
 683         variable.  Also handle multivariate chains of recurrences that
 684         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 685
 686 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 687
 688         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 689         (debug_clast_name_indexes_1): Removed.
 690         (debug_clast_name_indexes): Removed.
 691         (pbb_to_depth_to_oldiv): Removed.
 692         (build_iv_mapping): Replace the use of rename_map with iv_map.
 693         (translate_clast_user): Remove uses of rename_map.  Allocate and
 694         free iv_map.
 695         (translate_clast_for_loop): Remove uses of rename_map.
 696         (translate_clast_for): Same.
 697         (translate_clast_guard): Same.
 698         (translate_clast): Same.
 699         (gloog): Same.
 700         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 701         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 702         * sese.c (set_rename): Now static.
 703         (rename_variables_in_stmt): Removed.
 704         (rename_uses): New.
 705         (is_parameter): Removed.
 706         (is_iv): Removed.
 707         (expand_scalar_variables_call): Removed.
 708         (expand_scalar_variables_ssa_name): Removed.
 709         (expand_scalar_variables_expr): Removed.
 710         (expand_scalar_variables_stmt): Removed.
 711         (expand_scalar_variables): Removed.
 712         (rename_variables): Removed.
 713         (remove_condition): Removed.
 714         (get_true_edge_from_guard_bb): Removed.
 715         (get_false_edge_from_guard_bb): Removed.
 716         (struct igp): Removed.
 717         (default_before_guard): Removed.
 718         (convert_for_phi_arg): Removed.
 719         (add_guard_exit_phis): Removed.
 720         (insert_guard_phis): Removed.
 721         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 722         region.  Do not copy conditions.  Do not copy induction variables.
 723         Call rename_uses.
 724         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 725         the translated statement.  Use the iv_map for the induction
 726         variable renaming.
 727         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 728         (set_rename): Removed declaration.
 729         (scev_analyzable_p): ...here.
 730         * tree-chrec.c (chrec_apply_map): New.
 731         * tree-chrec.h (chrec_apply_map): Declared.
 732
 733 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 736         insert_loop_close_phis.
 737         * sese.c (name_defined_in_loop_p): Removed.
 738         (expr_defined_in_loop_p): Removed.
 739         (alive_after_loop): Removed.
 740         (close_phi_not_yet_inserted_p): Removed.
 741         (struct alep): Removed.
 742         (add_loop_exit_phis): Removed.
 743         (insert_loop_close_phis): Removed.
 744
 745 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 746
 747         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 748         condition.
 749         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 750
 751 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * gfortran.dg/graphite/id-20.f: New.
 754
 755 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 756
 757         * graphite-cloog-util.h: Added cloog.h.
 758         * graphite-blocking.c: Removed cloog.h.
 759         * graphite-dependences.c: Same.
 760         * graphite-interchange.c: Same.
 761         * graphite-poly.c: Same.
 762         * graphite-ppl.c: Same.
 763         * graphite-scop-detection.c: Same.
 764         * graphite-sese-to-poly.c:
 765         Removed cloog.h.
 766         Removed graphite-clast-to-gimple.h.
 767         (check_poly_representation): Removed (unused).
 768         * graphite-sese-to-poly.h
 769         (check_poly_representation): Removed (unused).
 770
 771 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 772
 773         * Makefile.in
 774         (OBJS-common): Added graphite-cloog-util.o.
 775         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 776         (graphite-cloog-util.o): New.
 777         (graphite-ppl.o): Added graphite-cloog-util.h.
 778         * graphite-clast-to-gimple.c:
 779         Added graphite-cloog-util.h to include statements.
 780         * graphite-cloog-util.c: New.
 781         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 782         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 783         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 784         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 785         (ppl_Constrain_System_number_of_constraints): Same.
 786         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 787         (oppose_constraint): Same.
 788         (cloog_matrix_to_ppl_constraint): Same.
 789         (new_Constraint_System_from_Cloog_Matrix): Same.
 790         (insert_constraint_into_matrix): Same. Declared static.
 791         * graphite-cloog-util.h: New.
 792         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 793         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 794         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 795         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 796         (insert_constraint_into_matrix): Same.
 797         * graphite-ppl.c:
 798         Added graphite-cloog-util.h to include statements.
 799         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 800         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 801         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 802         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 803         (insert_constraint_into_matrix): Same.
 804         (ppl_Constrain_System_number_of_constraints): Same.
 805         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 806         (oppose_constraint): Same.
 807         (cloog_matrix_to_ppl_constraint): Same.
 808         (new_Constraint_System_from_Cloog_Matrix): Same.
 809         * graphite-ppl.h:
 810         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 811         graphite-cloog-util.h.
 812         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 813         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 814         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 815         (insert_constraint_into_matrix): Removed.
 816
 817 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 818
 819         * graphite-clast-to-gimple.c
 820         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 821         (precision_for_interval): Same.
 822         (gcc_type_for_interval): Same.
 823         (compute_type_for_level): Same.
 824         * graphite-interchange.c
 825         (lst_interchange_profitable_p): Same.
 826         * graphite-poly.c
 827         (psct_scattering_dim_for_loop_depth): Same.
 828         * graphite-ppl.c
 829         (ppl_max_for_le_pointset): Same.
 830         (ppl_min_for_le_pointset): Same.
 831
 832 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 833
 834         * refined-regions.c (bb_index_compare): New.
 835         (get_bbs_in_region): New.
 836         (print_bbs_in_region): New.
 837         (print_refined_region): Add an argument that allows to print
 838         all basic blocks contained in regions.
 839         (debug_refined_region): Update call to print_refined_region.
 840         * refined-regions.h (print_refined_region): Update declaration.
 841         (get_bbs_in_region): Declared.
 842         * graphite-scop-detection.c (build_scops_new): Print the refined
 843         region tree into the Grahite dump file.
 844
 845 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 846
 847         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 848         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 849
 850 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 851
 852         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 853         rewrite_close_phi_out_of_ssa.
 854
 855         * gcc.dg/graphite/id-22.c: New.
 856
 857 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 858
 859         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 860
 861 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 864         rename_map.
 865         * sese.c (debug_rename_map): Same.
 866         (get_rename): Same.
 867         (set_rename): Same.
 868         (rename_variables_in_stmt): Same.
 869         (expand_scalar_variables_call): Same.
 870         (expand_scalar_variables_ssa_name): Same.
 871         (expand_scalar_variables_expr): Same.
 872         (expand_scalar_variables_stmt): Same.
 873         (expand_scalar_variables): Same.
 874         (rename_variables): Same.
 875         (graphite_copy_stmts_from_block): Same.
 876         (copy_bb_and_scalar_dependences): Same.
 877
 878 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-clast-to-gimple.c (copy_renames): Removed.
 881         (translate_clast_for): Do not call copy_renames.
 882         (translate_clast_guard): Same.
 883
 884 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 887         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 888         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 889         before rewrite_cross_bb_scalar_deps.
 890
 891 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 892
 893         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 894         Early return in when flag_associative_math is not set.
 895
 896 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 897
 898         * gcc.dg/graphite/run-id-2.c: Call abort.
 899
 900 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 903         of SSA copies on edges except for loop->latch.
 904
 905 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 906
 907         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 908         Split out of rewrite_reductions_out_of_ssa.
 909         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 910         Declared.
 911         * graphite.c (graphite_transform_loops): Call it.
 912
 913 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 914
 915         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 916
 917 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 918
 919         * passes.c (init_optimization_passes): Add pass_graphite.
 920         Schedule a pass_copy_prop before pass_graphite_transforms.
 921         * timevar.def (TV_GRAPHITE): Declared.
 922         * tree-pass.h (pass_graphite): Declared.
 923         * tree-ssa-loop.c (pass_graphite): New.
 924
 925         * gcc.dg/graphite/id-20.c: New.
 926
 927 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 930         Remove calls to rename_nb_iterations and rename_sese_parameters.
 931         * graphite-clast-to-gimple.h (gloog): Update declaration.
 932         * graphite.c (graphite_transform_loops): Update call to gloog.
 933         * sese.c (rename_variables_in_expr): Removed.
 934         (rename_nb_iterations): Removed.
 935         (rename_sese_parameters): Removed.
 936         * sese.h (rename_nb_iterations): Removed.
 937         (rename_sese_parameters): Removed.
 938
 939 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 940
 941         * graphite-clast-to-gimple.c (gloog): Remove call to
 942         sese_adjust_liveout_phis.
 943         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 944         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 945         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 946         rewrite_phi_out_of_ssa.
 947         * sese.c (get_vdef_before_sese): Removed.
 948         (sese_adjust_vphi): Removed.
 949         (sese_adjust_liveout_phis): Removed.
 950         * sese.h (sese_adjust_liveout_phis): Removed.
 951
 952 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 955         argument for the place after which to insert the out of SSA copy.
 956         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 957         (rewrite_phi_out_of_ssa): Same.
 958         (rewrite_cross_bb_scalar_deps): Same.
 959         (insert_copyout): Removed.
 960         (insert_copyin): Removed.
 961         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 962         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 963         insert_copyin.
 964
 965 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 966
 967         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 968         (rewrite_reductions_out_of_ssa): Same.
 969         (rewrite_commutative_reductions_out_of_ssa): Same.
 970         (build_poly_scop): Do not call these functions.
 971         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 972         (rewrite_reductions_out_of_ssa): Declared.
 973         (rewrite_commutative_reductions_out_of_ssa): Declared.
 974         * graphite.c (graphite_transform_loops): Call on every scop
 975         rewrite_commutative_reductions_out_of_ssa before calling
 976         rewrite_reductions_out_of_ssa and build_scop_bbs.
 977
 978 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * graphite-dependences.c (dot_deps): Make system call to dotty run
 981         in background.
 982         (dot_deps_stmt): Same.
 983         * graphite-poly.c (dot_lst): Same.
 984
 985 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 988         old_type in parameter.
 989         (gcc_type_for_value): Update call to gcc_type_for_interval.
 990         (compute_type_for_level_1): Renamed compute_type_for_level.
 991         Update call to gcc_type_for_interval.
 992
 993 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 994
 995         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 996         the scev analysis when the variable is not used outside the loop
 997         in a close phi node: call compute_overall_effect_of_inner_loop.
 998
 999 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1000
1001         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1002         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1003         (build_sese_conditions_before): Renamed call to single_pred_cond.
1004         (build_sese_conditions_after): Same.
1005
1006 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1007
1008         * graphite-poly.h: Fix comments and indentation.
1009         * graphite-sese-to-poly.c: Same.
1010         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1011         * tree-chrec.c: Fix comments and indentation.
1012         (tree-ssa-loop-niter.c): Same.
1013
1014 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1015
1016         * refined-regions.c (create_region): Only initialize the region.
1017         (find_regions_with_entry): Initialize parent relation and bbmap
1018         correctly.
1019         (build_regions_tree): Set outermost_region to region instead of
1020         topmost_region.
1021         (calculate_region_tree): Remove unneeded parameters.
1022
1023 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1024
1025         * graphite-scop-detection.c (is_scop_p): New.
1026         (build_scops_new): New. A skeleton for the new scop detection.
1027         (build_scops_old): Renamed from build_scops.
1028         (build_scops): New version. Call the new and the old scop
1029         detection.
1030
1031 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1032             Antoniu Pop  <antoniu.pop@gmail.com>
1033
1034         * Makefile.in (OBJS-common): Add refined-regions.o.
1035         (refined-regions.o): New.
1036         (graphite-scop-detection.o): Use refined-regions.h.
1037         * graphite-scop-detection.c: Include refined-regions.h
1038         (build_scops): Also build the refined region tree.
1039         * refined-regions.c: New. Adds an algorithm to detect refined
1040         regions.
1041         (print_refined_region): New.
1042         (debug_refined_region): New.
1043         (refined_region_contains_bb_p): New.
1044         (refined_region_contains_region_p): New.
1045         (is_common_df): New.
1046         (struct find_regions_global_data): New.
1047         (is_region): New.
1048         (typedef struct bb_bb_def): New.
1049         (new_bb_bb_def): New.
1050         (bb_bb_map_hash): New.
1051         (eq_bb_bb_map): New.
1052         (find_new_bb): New.
1053         (bb_reg_def): New.
1054         (new_bb_reg_def): New.
1055         (bb_reg_map_hash): New.
1056         (eq_bb_reg_map): New.
1057         (find_new_region): New.
1058         (insert_new_reg): New.
1059         (insert_new_bb): New.
1060         (insert_shortcut): New.
1061         (get_next_postdom): New.
1062         (create_region): New.
1063         (find_regions_with_entry): New.
1064         (find_regions_adc): New.
1065         (find_regions): New.
1066         (get_topmost_parent): New.
1067         (build_regions_tree): New.
1068         (calculate_region_tree): New.
1069         (free_region_tree): New.
1070         * refined-regions.h: New.
1071         (struct refined_region): New.
1072         (calculate_region_tree): New.
1073         (free_region_tree): New.
1074         (refined_region_contains_bb_p): New.
1075         (refined_region_contains_region_p): New.
1076         (print_refined_region): New.
1077         (debug_refined_region): New.
1078
1079 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1080
1081         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1082         size_one_node.
1083
1084 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1085
1086         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1087         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1088
1089 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1092         phi_arg_in_outermost_loop.
1093         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1094         (remove_invariant_phi): Same.
1095
1096 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1097
1098         * graphite-blocking.c
1099         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1100         * graphite-clast-to-gimple.c
1101         (clast_to_gcc_expression): Same.
1102         (precision_for_value): Same.
1103         (precision_for_interval): Same.
1104         (gcc_type_for_interval): Same.
1105         (graphite_create_new_guard): Same.
1106         (compute_bounds_for_level): Same.
1107         (graphite_create_new_loop_guard): Same.
1108         * graphite-interchange.c
1109         (build_linearized_memory_access): Same.
1110         (pdr_stride_in_loop): Same.
1111         (memory_strides_in_loop_1): Same.
1112         (memory_strides_in_loop): Same.
1113         (extend_scattering): Same.
1114         (psct_scattering_dim_for_loop_depth): Same.
1115         (pbb_number_of_iterations): Same.
1116         * graphite-poly.h
1117         (debug_iteration_domains): Same.
1118         * graphite-ppl.c
1119         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1120         (ppl_set_inhomogeneous_gmp): Same.
1121         (ppl_strip_loop): Same.
1122         (ppl_lexico_compare_linear_expressions): Same.
1123         (ppl_read_polyhedron_matrix): Same.
1124         (ppl_max_for_le_pointset): Same.
1125         * graphite-ppl.h
1126         (ppl_read_polyhedron_matrix): Same.
1127         (tree_int_to_gmp): Same.
1128         (gmp_cst_to_tree): Same.
1129         (ppl_set_inhomogeneous): Same.
1130         (ppl_set_inhomogeneous_tree): Same.
1131         (ppl_set_coef): Same.
1132         (ppl_set_coef_tree): Same.
1133         * graphite-sese-to-poly.c
1134         (build_pbb_scattering_polyhedrons): Same.
1135         (build_scop_scattering): Same.
1136         (scan_tree_for_params_right_scev): Same.
1137         (scan_tree_for_params): Same.
1138         (find_params_in_bb): Same.
1139         (find_scop_parameters): Same.
1140         (add_upper_bounds_from_estimated_nit): Same.
1141         (build_loop_iteration_domains): Same.
1142         (add_condition_to_domain): Same.
1143         (pdr_add_memory_accesses): Same.
1144
1145 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1146
1147         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1148         CLooG's value_* macros to their respective mpz_* counterparts.
1149         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1150         (graphite_create_new_loop_guard): Same.
1151         * graphite-interchange.c (build_linearized_memory_access): Same.
1152         (pdr_stride_in_loop): Same.
1153         (memory_strides_in_loop_1): Same.
1154         (1st_interchange_profitable_p): Same.
1155         * graphite-poly.c (extend_scattering): Same.
1156         (psct_scattering_dim_for_loop_depth): Same.
1157         (pbb_number_of_iterations): Same.
1158         (pbb_number_of_iterations_at_time): Same.
1159         * graphite-poly.h (new_1st_loop): Same.
1160         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1161         (oppose_constraint): Same.
1162         (insert_constraint_into_matrix): Same.
1163         (ppl_set_inhomogeneous_gmp): Same.
1164         (ppl_set_coef_gmp): Same.
1165         (ppl_strip_loop): Same.
1166         (ppl_lexico_compare_linear_expressions): Same.
1167         (ppl_max_for_le_pointset): Same.
1168         (ppl_min_for_le_pointset): Same.
1169         (ppl_build_realtion): Same.
1170         * graphite-ppl.h (gmp_cst_to_tree): Same.
1171         (ppl_set_inhomogeneous): Same.
1172         (ppl_set_inhomogeneous_tree): Same.
1173         (ppl_set_coef): Same.
1174         (ppl_set_coef_tree): Same.
1175         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1176         (build_scop_scattering): Same.
1177         (add_value_to_dim): Same.
1178         (scan_tree_for_params_right_scev): Same.
1179         (scan_tree_for_params_int): Same.
1180         (scan_tree_for_params): Same.
1181         (find_params_in_bb): Same.
1182         (find_scop_parameters): Same.
1183         (add_upper_bounds_from_estimated_nit): Same.
1184         (build_loop_iteration_domains): Same.
1185         (create_linear_expr_from_tree): Same.
1186         (add_condition_to_domain): Same.
1187         (pdr_add_memory_accesses): Same.
1188
1189 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         PR middle-end/43519
1192         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1193         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1194         When converting an unsigned type to signed, double its precision.
1195         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1196         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1197         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1198
1199 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1200
1201         PR middle-end/43519
1202         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1203         build_nonstandard_integer_type.
1204         (gcc_type_for_interval): Same.
1205
1206 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         PR middle-end/43519
1209         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1210         POINTER_PLUS_EXPR for pointer types.
1211
1212         * gcc.dg/graphite/id-19.c: New.
1213
1214 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1215
1216         PR middle-end/43519
1217         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1218         * graphite-clast-to-gimple.c: Include langhooks.h.
1219         (max_signed_precision_type): New.
1220         (max_precision_type): Takes two types as arguments.
1221         (precision_for_value): New.
1222         (precision_for_interval): New.
1223         (gcc_type_for_interval): New.
1224         (gcc_type_for_value): New.
1225         (gcc_type_for_clast_term): New.
1226         (gcc_type_for_clast_red): New.
1227         (gcc_type_for_clast_bin): New.
1228         (gcc_type_for_clast_expr): Split up into several functions.
1229         (gcc_type_for_clast_eq): Rewritten.
1230         (compute_bounds_for_level): New.
1231         (compute_type_for_level_1): New.
1232         (compute_type_for_level): New.
1233         (gcc_type_for_cloog_iv): Removed.
1234         (gcc_type_for_iv_of_clast_loop): Rewritten.
1235         (graphite_create_new_loop): Compute the lower and upper bound types
1236         with gcc_type_for_clast_expr.
1237         (graphite_create_new_loop_guard): Same.
1238         (find_cloog_iv_in_expr): Removed.
1239         (compute_cloog_iv_types_1): Removed.
1240         (compute_cloog_iv_types): Removed.
1241         (gloog): Do not call compute_cloog_iv_types.
1242         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1243         GBB_CLOOG_IV_TYPES.
1244         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1245         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1246         (GBB_CLOOG_IV_TYPES): Removed.
1247
1248         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1249
1250 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1251
1252         Reverted this commit: as at this point the loop closed SSA form
1253         is under a canonical form respecting the single argument condition.
1254         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1255         close phi nodes may have more than one argument.
1256
1257 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1260         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1261         (detect_commutative_reduction): Same.
1262
1263 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1266         close phi nodes may have more than one argument.
1267
1268 2010-03-30  Richard Guenther  <rguenther@suse.de>
1269             Zdenek Dvorak  <ook@ucw.cz>
1270             Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         PR middle-end/43464
1273         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1274         with multiple arguments.
1275         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1276
1277 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1278
1279         * graphite-dependences.c (print_pddr): Call print_pdr with an
1280         extra argument.
1281         * graphite-poly.c (debug_pdr): Add an extra argument for the
1282         verbosity level.
1283         (print_pdr): Same.
1284         (print_pbb_domain): Same.
1285         (print_pbb): Same.
1286         (print_scop_context): Same.
1287         (print_scop): Same.
1288         (print_cloog): Same.
1289         (debug_pbb_domain): Same.
1290         (debug_pbb): Same.
1291         (print_pdrs): Same.
1292         (debug_pdrs): Same.
1293         (debug_scop_context): Same.
1294         (debug_scop): Same.
1295         (debug_cloog): Same.
1296         (print_scop_params): Same.
1297         (debug_scop_params): Same.
1298         (print_iteration_domain): Same.
1299         (print_iteration_domains): Same.
1300         (debug_iteration_domain): Same.
1301         (debug_iteration_domains): Same.
1302         (print_scattering_function): Same.
1303         (print_scattering_functions): Same.
1304         (debug_scattering_function): Same.
1305         (debug_scattering_functions): Same.
1306         * graphite-poly.h (debug_pdr): Update declaration.
1307         (print_pdr): Same.
1308         (print_pbb_domain): Same.
1309         (print_pbb): Same.
1310         (print_scop_context): Same.
1311         (print_scop): Same.
1312         (print_cloog): Same.
1313         (debug_pbb_domain): Same.
1314         (debug_pbb): Same.
1315         (print_pdrs): Same.
1316         (debug_pdrs): Same.
1317         (debug_scop_context): Same.
1318         (debug_scop): Same.
1319         (debug_cloog): Same.
1320         (print_scop_params): Same.
1321         (debug_scop_params): Same.
1322         (print_iteration_domain): Same.
1323         (print_iteration_domains): Same.
1324         (debug_iteration_domain): Same.
1325         (debug_iteration_domains): Same.
1326         (print_scattering_function): Same.
1327         (print_scattering_functions): Same.
1328         (debug_scattering_function): Same.
1329         (debug_scattering_functions): Same.
1330
1331 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (print_scattering_function_1): New.
1334         (print_scattering_function): Call it.
1335         (print_scop_params): Remove spaces at the end of lines.
1336         (print_cloog): New.
1337         (debug_cloog): New.
1338         * graphite-poly.h (print_cloog): Declared.
1339         (debug_cloog): Declared.
1340
1341 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1342
1343         * tree-ssa-copy.c: Revert this previous change:
1344         (init_copy_prop): Loop closed phi nodes cancontain more than one
1345         argument.
1346         (execute_copy_prop): Revert the previous change: do not call
1347         rewrite_into_loop_closed_ssa.
1348
1349 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1350             Richard Guenther  <rguenther@suse.de>
1351
1352         PR middle-end/43464
1353         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1354         contain more than one argument.
1355         (execute_copy_prop): Revert the previous change: do not call
1356         rewrite_into_loop_closed_ssa.
1357
1358         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1359         * gcc.dg/graphite/id-pr43464-1.c: New.
1360
1361 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         PR middle-end/43464
1364         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1365         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1366
1367         * gcc.dg/graphite/id-pr43464.c: New.
1368
1369 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1372         in loop->header.
1373         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1374         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1375         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1376         to switch between adding the IV bump in loop->latch or in loop->header.
1377
1378 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * passes.c (init_optimization_passes): Add pass_copy_prop
1381         after Graphite.
1382
1383 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * graphite-poly.c (print_scattering_function): Pretty print following
1386         the scoplib format.
1387         (print_pdr): Same.
1388         (print_pbb_domain): Same.
1389         (dump_gbb_cases): Same.
1390         (dump_gbb_conditions): Same.
1391         (print_pdrs): Same.
1392         (print_pbb): Same.
1393         (print_scop_params): Same.
1394         (print_scop_context): Same.
1395         (print_scop): Same.
1396         (print_pbb_body): New.
1397         (lst_indent_to): New.
1398         (print_lst): Start new lines with a #.
1399         * graphite-poly.h (pbb_bb): New.
1400         (pbb_index): Use pbb_bb.
1401         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1402         disjuncts.
1403         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1404
1405 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         PR middle-end/43351
1408         * gcc.dg/graphite/id-pr43351.c
1409
1410 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         PR middle-end/43354
1413         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1414         call insert_out_of_ssa_copy for default definitions.
1415         * gfortran.dg/graphite/id-pr43354.f: New.
1416
1417 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1418
1419         PR middle-end/43349
1420         * gfortran.dg/graphite/pr43349.f: New.
1421
1422 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-clast-to-gimple.c (my_long_long): Defined.
1425         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1426         * graphite-sese-to-poly.c (my_long_long): Defined.
1427         (scop_ivs_can_be_represented): Use it.
1428
1429 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1432         graphite-max-bbs-per-function, and loop-block-tile-size.
1433         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1434         with "maximum".
1435         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1436
1437 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1438
1439         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1440         forward declaration.
1441         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1442         (add_upper_bounds_from_estimated_nit): New.
1443         (build_loop_iteration_domains): Use it.
1444
1445 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1446
1447         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1448
1449 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1450
1451         PR middle-end/43306
1452         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1453         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1454         * gcc.dg/graphite/pr43306.c: New.
1455
1456 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1457
1458         * graphite.c (graphite_initialize): To bound the number of bbs per
1459         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1460         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1461         * doc/invoke.texi: Document it.
1462
1463 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1466         * graphite-sese-to-poly.h (build_poly_scop): Same.
1467
1468 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1471         the number of parameters in the scop.  Use as an upper bound
1472         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1473         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1474         * doc/invoke.texi: Document it.
1475
1476 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1477
1478         * graphite-sese-to-poly.c (add_param_constraints): Use
1479         lower_bound_in_type and upper_bound_in_type.
1480
1481 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1482
1483         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1484         instead of unsigned_type_node.
1485
1486 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1487             Reza Yazdani  <reza.yazdani@amd.com>
1488
1489         PR middle-end/43065
1490         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1491         on pointer type parameters.
1492
1493         * gcc.dg/graphite/run-id-4.c: New.
1494
1495 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1496
1497         PR middle-end/43065
1498         * gcc.dg/graphite/run-id-3.c: New.
1499
1500 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1501             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1502
1503         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1504         handle conversions from pointer to integers.
1505         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1506         induction variable, to be able to work with code generated by CLooG.
1507         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1508         (build_poly_scop): Bail out if we cannot codegen a loop.
1509
1510 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1511
1512         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1513         code generation with gloog_error.
1514
1515 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1516
1517         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1518         Call fold_convert on all the returned values.
1519         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1520         the type of the resulting expression.
1521
1522 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1525         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1526         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1527
1528 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-dependences.c (map_into_dep_poly): Removed.
1531         (dependence_polyhedron_1): Use combine_context_id_scat.
1532
1533 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1534
1535         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1536         (struct poly_bb): Same.
1537         (combine_context_id_scat): New.
1538
1539 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         PR middle-end/42326
1542         * sese.c (name_defined_in_loop_p): Return false for default
1543         definitions.
1544
1545         * gcc.dg/graphite/pr42326.c: New.
1546
1547 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1550         and clean up the logic.
1551
1552 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1553
1554         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1555         early return.
1556
1557 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         PR middle-end/43083
1560         * graphite-scop-detection.c (create_single_exit_edge): Move
1561         the call to find_single_exit_edge to....
1562         (create_sese_edges): ...here.  Don't handle multiple edges
1563         exiting the function.
1564         (build_graphite_scops): Don't handle multiple edges
1565         exiting the function.
1566
1567         * gcc.dg/graphite/pr43083.c: New.
1568
1569 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         PR middle-end/43097
1572         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1573         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1574
1575         * gfortran.dg/graphite/pr43097.f: New.
1576
1577 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1578             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1579
1580         PR middle-end/43140
1581         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1582
1583 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1584
1585         PR middle-end/43026
1586         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1587
1588         * g++.dg/graphite/pr43026.C: New.
1589
1590 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1591
1592         * Merge from mainline (154736:156693).
1593
1594 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         PR middle-end/43012
1597         * gcc.dg/graphite/pr43012.c: New.
1598
1599 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1602 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * g++.dg/graphite/pr42930.C: New.
1605
1606 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1607
1608         PR middle-end/42930
1609         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1610         graphite_can_represent_init for MULT_EXPR.
1611
1612 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         PR middle-end/42914
1615         PR middle-end/42530
1616         * graphite-sese-to-poly.c (remove_phi): New.
1617         (translate_scalar_reduction_to_array): Call remove_phi.
1618
1619         * gcc.dg/graphite/pr42530.c: New.
1620         * gcc.dg/graphite/pr42914.c: New.
1621
1622 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1623
1624         PR middle-end/42771
1625         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1626         * graphite-clast-to-gimple.h (gloog): Update declaration.
1627         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1628         * graphite-poly.h (struct poly_bb): Add missing comments.
1629         (struct scop): Add poly_scop_p field.
1630         (POLY_SCOP_P): New.
1631         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1632         * graphite.c (graphite_transform_loops): Build the polyhedral
1633         representation for each scop before code generation.
1634         * sese.c (rename_variables_in_operand): Removed.
1635         (rename_variables_in_expr): Return the renamed expression.
1636         (rename_sese_parameters): New.
1637         * sese.h (rename_sese_parameters): Declared.
1638
1639         * gcc.dg/graphite/pr42771.c: New.
1640
1641 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1642
1643         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1644         return 0 from main.
1645         * gcc.dg/graphite/block-1.c: Same.
1646         * gcc.dg/graphite/block-3.c: Same.
1647         * gcc.dg/graphite/block-4.c: Same.
1648         * gcc.dg/graphite/block-5.c: Same.
1649         * gcc.dg/graphite/block-6.c: Same.
1650         * gcc.dg/graphite/block-7.c: Same.
1651         * gcc.dg/graphite/interchange-0.c: Same.
1652         * gcc.dg/graphite/interchange-1.c: Same.
1653         * gcc.dg/graphite/interchange-10.c: Same.
1654         * gcc.dg/graphite/interchange-11.c: Same.
1655         * gcc.dg/graphite/interchange-12.c: Same.
1656         * gcc.dg/graphite/interchange-2.c: Same.
1657         * gcc.dg/graphite/interchange-3.c: Same.
1658         * gcc.dg/graphite/interchange-4.c: Same.
1659         * gcc.dg/graphite/interchange-5.c: Same.
1660         * gcc.dg/graphite/interchange-6.c: Same.
1661         * gcc.dg/graphite/interchange-7.c: Same.
1662         * gcc.dg/graphite/interchange-8.c: Same.
1663         * gcc.dg/graphite/interchange-9.c: Same.
1664         * gcc.dg/graphite/interchange-mvt.c: Same.
1665
1666 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1667
1668         * gfortran.dg/graphite/id-19.f: New.
1669         * gfortran.dg/graphite/pr14741.f90: New.
1670         * gfortran.dg/graphite/pr41924.f90: New.
1671         * gfortran.dg/graphite/run-id-2.f90: New.
1672
1673 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         PR middle-end/42988
1676         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1677         to unknown_dependence.
1678         (graphite_legal_transform_dr): Handle the unknown_dependence.
1679         (graphite_carried_dependence_level_k): Same.
1680
1681 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1684
1685 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1686             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1687
1688         PR middle-end/42637
1689         * graphite-dependences.c (build_lexicographical_constraint): Return
1690         a union of dependence polyhedra.
1691         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1692
1693         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1694         * gcc.dg/graphite/block-4.c: Same.
1695         * gcc.dg/graphite/block-7.c: Same.
1696         * gcc.dg/graphite/interchange-12.c: Same.
1697         * gcc.dg/graphite/interchange-mvt.c: Same.
1698         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1699         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1700         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1701
1702 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1703
1704         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1705         the execution check to FAIL.  This testcase is miscompiled by Graphite
1706         and the check should be re-enabled.
1707         * gcc.dg/graphite/interchange-mvt.c: Same.
1708         * gcc.dg/graphite/block-0.c: Same.
1709         * gcc.dg/graphite/block-4.c: Same.
1710         * gcc.dg/graphite/block-7.c: Same.
1711
1712 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1713
1714         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1715         * gcc.dg/graphite/scop-0.c: Fix spaces.
1716         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1717         * gfortran.dg/graphite/block-2.f: Same.
1718         * gfortran.dg/graphite/block-3.f90: Same.
1719         * gfortran.dg/graphite/block-4.f90: Same.
1720         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1721         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1722
1723 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1726         PDDR_ORIGINAL_SCATTERING_P.
1727         (pddr_is_empty): Rewritten.
1728         (print_dependence_polyhedron_layout): New.
1729         (print_pddr): New.
1730         (debug_pddr): New.
1731         (build_alias_set_powerset): Moved up.
1732         (poly_drs_may_alias_p): Moved up.
1733         (lexicographically_gt_p): Removed.
1734         (build_lexicographically_gt_constraint): Renamed
1735         build_lexicographical_constraint, reimplemented.
1736         (dependence_polyhedron_1): Simplified parameters.
1737         (dependence_polyhedron): Same.  Keep along empty PDDRs
1738         to make efficient use of the cache.
1739         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1740         (graphite_legal_transform_dr): Rewritten.
1741         (graphite_legal_transform_bb): Pass fewer arguments to
1742         graphite_legal_transform_dr.
1743         (graphite_carried_dependence_level_k): Simplified implementation.
1744         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1745         (dot_transformed_deps_stmt_1): Same.
1746         (dot_original_deps): Same.
1747         (dot_transformed_deps): Same.
1748         * graphite-dependences.h (struct poly_ddr): Added a new field
1749         original_scattering_p.
1750         (PDDR_ORIGINAL_SCATTERING_P): New.
1751         (print_pddr): Declared.
1752         (debug_pddr): Declared.
1753         * graphite-ppl.c: Clarify comment.
1754         * sese.h (print_gimple_bb): Removed unused declaration.
1755         (debug_gbb): Same.
1756
1757 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * g++.dg/graphite/graphite.exp: Rewritten.
1760         * gcc.dg/graphite/graphite.exp: Rewritten.
1761         * gfortran.dg/graphite/graphite.exp: Rewritten.
1762         * gcc.dg/graphite/block-0.c: Added runtime test.
1763         * gcc.dg/graphite/block-1.c: Same.
1764         * gcc.dg/graphite/block-3.c: Same.
1765         * gcc.dg/graphite/block-4.c: Same.
1766         * gcc.dg/graphite/block-5.c: Same.
1767         * gcc.dg/graphite/block-6.c: Same.
1768         * gcc.dg/graphite/block-7.c: Same.
1769         * gcc.dg/graphite/interchange-0.c: Same.
1770         * gcc.dg/graphite/interchange-1.c: Same.
1771         * gcc.dg/graphite/interchange-10.c: Same.
1772         * gcc.dg/graphite/interchange-11.c: Same.
1773         * gcc.dg/graphite/interchange-12.c: Same.
1774         * gcc.dg/graphite/interchange-2.c: Same.
1775         * gcc.dg/graphite/interchange-3.c: Same.
1776         * gcc.dg/graphite/interchange-4.c: Same.
1777         * gcc.dg/graphite/interchange-5.c: Same.
1778         * gcc.dg/graphite/interchange-6.c: Same.
1779         * gcc.dg/graphite/interchange-7.c: Same.
1780         * gcc.dg/graphite/interchange-8.c: Same.
1781         * gcc.dg/graphite/interchange-9.c: Same.
1782         * gcc.dg/graphite/interchange-mvt.c: Same.
1783         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1784
1785 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1786
1787         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1788           background.
1789
1790 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1791
1792         * common.opt: Add -fgraphite-cloog-opts.
1793         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1794         * opts.c (decode_options): Same.
1795
1796 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * gcc.dg/graphite/id-17.c: New.
1799         * gcc.dg/graphite/pr41888.c: New.
1800         * gcc.dg/graphite/scop-22.c: New.
1801         * gfortran.dg/graphite/pr40982.f90: New.
1802
1803 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         * graphite-dependences.c: Clarify comments.
1806         (build_pddr): Add an extra parameter direction.
1807         (graphite_legal_transform_dr): Use build_pddr.
1808         (dot_original_deps_stmt_1): Update use of build_pddr.
1809         (dot_transformed_deps_stmt_1): Same.
1810         (dot_original_deps): Same.
1811         (dot_transformed_deps): Same.
1812
1813         * gcc.dg/graphite/interchange-12.c: New.
1814         * gcc.dg/graphite/block-7.c: New.
1815
1816 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1819         (pddr_transformed_scattering): Removed.
1820         (graphite_legal_transform_dr): Use build_pddr.
1821         (dot_original_deps_stmt_1): Same.
1822         (dot_transformed_deps_stmt_1): Same.
1823         (dot_original_deps): Same.
1824         (dot_transformed_deps): Same.
1825
1826 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1829         (build_lexicographically_gt_constraint): Same.
1830         (dependence_polyhedron_1): Same.
1831         (dependence_polyhedron): Same.
1832
1833 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1834
1835         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1836         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1837         (lexicographically_gt_p): Change type of direction to int.
1838         (build_lexicographically_gt_constraint): Same.
1839         (dependence_polyhedron_1): Same.
1840         (dependence_polyhedron): Same.
1841         (pddr_original_scattering): Use integers for direction.
1842         (pddr_transformed_scattering): Same.
1843         (graphite_legal_transform_dr): Same.
1844         (graphite_carried_dependence_level_k): Same.
1845
1846 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1847
1848         * graphite-dependences.c (build_pairwise_constraint): Renamed
1849         ppl_build_relation.  Moved...
1850         (dr_equality_constraints): Use ppl_build_relation.
1851         (build_pairwise_scheduling_equality): Same.
1852         (build_pairwise_scheduling_inequality): Same.
1853         * graphite-ppl.c (ppl_build_relation): ...here.
1854         * graphite-ppl.h (ppl_build_relation): Declared.
1855
1856 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         PR middle-end/42681
1859         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1860         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1861         Set gloog_error when such an expression failed to be built.
1862         (translate_clast): Early return when gloog_error is set.
1863         (gloog): Clear gloog_error.  When gloog_error is set, call
1864         set_ifsese_condition to enable the original code.  Return the status
1865         of the code generation based on gloog_error.
1866         * sese.c (set_ifsese_condition): New.
1867         * sese.h (set_ifsese_condition): Declared.
1868
1869         * g++.dg/graphite/pr42681.C: New.
1870
1871 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1872
1873         PR middle-end/42732
1874         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1875         rename_nb_iterations.
1876         * sese.c (rename_variables_in_operand): New.
1877         (rename_variables_in_expr): New.
1878         (rename_nb_iterations): New.
1879         (sese_adjust_liveout_phis): Update the rename_map.
1880         * sese.h (rename_nb_iterations): Declared.
1881         * tree-scalar-evolution.c (scev_reset_htab): New.
1882         (scev_reset): Call scev_reset_htab.
1883         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1884
1885         * gfortran.dg/graphite/pr42732.f: New.
1886
1887 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1888
1889         PR middle-end/42393
1890         * graphite-clast-to-gimple.c: Fix formatting.
1891         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1892         (expr_defined_in_loop_p): New.
1893         (add_loop_exit_phis): Also handle full expressions: remove from
1894         the rename_map the expressions defined in the loop that we're closing.
1895
1896         * gfortran.dg/graphite/pr42393-1.f90: New.
1897         * gfortran.dg/graphite/pr42393.f90: Add new flags
1898         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1899         make this testcase useful in the Graphite branch.
1900
1901 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-scop-detection.c (exclude_component_ref): Removed.
1904         (is_simple_operand): Removed.
1905         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1906
1907 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         PR middle-end/42221
1910         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1911         the array indexing of ADDR_EXPRs.
1912
1913         * gcc.dg/graphite/pr42221.c: New.
1914
1915 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1916
1917         PR middle-end/42521
1918         * graphite.c (graphite_finalize): Call scev_reset.
1919         (graphite_transform_loops): Do not call scev_reset between the code
1920         generation of scops.
1921
1922         * gcc.dg/graphite/pr42521.c: New.
1923
1924 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * graphite-interchange.c (memory_stride_in_loop): Renamed
1927         pdr_stride_in_loop.
1928         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1929         (memory_strides_in_loop): Memoize the memory strides per loop.
1930         (lst_interchange_profitable_p): Do not initialize to zero the memory
1931         strides.
1932         * graphite-poly.h (struct lst): Add a field memory_strides.
1933         (LST_LOOP_MEMORY_STRIDES): New.
1934         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1935         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1936
1937 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1938
1939         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1940         memory_strides_in_loop.  Gather memory strides on a whole loop.
1941         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1942         (lst_interchange_profitable_p): Removed.
1943         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1944
1945 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1948         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1949         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1950         Remove context_loop and level.
1951
1952 2010-01-07  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/42641
1955         * sese.c (rename_map_elt_info): Use the SSA name version, do
1956         not hash pointers.
1957
1958 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1959
1960         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1961         blocked" only when both the strip mine and the interchange have
1962         been applied.
1963
1964         * gcc.dg/graphite/block-2.c: Removed.
1965         * gcc.dg/graphite/block-3.c: Add scan pattern.
1966         * gcc.dg/graphite/block-4.c: Same.
1967         * gcc.dg/graphite/block-5.c: Same.
1968         * gcc.dg/graphite/block-6.c: Same.
1969
1970 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1973         before allocating a new one.
1974         (copy_renames): Check that slot is not NULL.
1975         (mark_bb_with_pbb): Same.
1976         (compute_cloog_iv_types_1): Same.
1977         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1978         nest, and after LSTs.
1979         (lst_try_interchange_loops): Same.
1980
1981 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         PR middle-end/42178
1984         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1985         the before, nest, and after LSTs.
1986         (lst_try_interchange): Removed.
1987         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1988         were modified.
1989         (lst_interchange_select_outer): Apply interchange on the outer loop
1990         until there are no more changes in the inner loops.
1991
1992 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         Revert patch fixing PR middle-end/42221.
1995
1996 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1997
1998         PR middle-end/42180
1999         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2000         GIMPLE_CALL.
2001
2002         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2003
2004 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         PR middle-end/42180
2007         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2008         that contain only one statement.
2009
2010         * gfortran.dg/graphite/pr42180.f90: New.
2011
2012 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         PR middle-end/42393
2015         * gfortran.dg/graphite/pr42393.f90: New.
2016
2017 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         PR middle-end/42186
2020         * gfortran.dg/graphite/pr42186.f90: New.
2021
2022 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         PR middle-end/42205
2025         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2026         Insert the reduction copy in the same block as the phi node.
2027         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2028
2029         * gcc.dg/graphite/pr42205-1.c: New.
2030         * gcc.dg/graphite/pr42205-2.c: New.
2031
2032 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         PR middle-end/42221
2035         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2036         the array indexing of ADDR_EXPRs.
2037
2038         * gcc.dg/graphite/pr42221.c: New.
2039
2040 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2041
2042         PR middle-end/42178
2043         PR middle-end/42334
2044         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2045         index.  Call lst_interchange_select_inner only once.
2046         (lst_interchange_select_inner): Update use of lst_try_interchange.
2047         (lst_interchange_select_outer): Update.
2048
2049 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         PR middle-end/42178
2052         PR middle-end/42334
2053         * graphite-interchange.c (lst_try_interchange): Do not increment the
2054         the OUTER index when there is no AFTER kernel.  Do not increment the
2055         OUTER index for after processing the AFTER kernel.
2056         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2057         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2058         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2059         (scop_do_interchange): Update use of lst_interchange_select_outer.
2060
2061         * gfortran.dg/graphite/graphite.exp
2062         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2063         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2064         the graphite dump file.
2065         * gfortran.dg/graphite/interchange-2.f: Same.
2066         * gfortran.dg/graphite/pr42334-1.f: New.
2067
2068 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2069
2070         PR middle-end/42178
2071         PR middle-end/42334
2072         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2073         that are empty.
2074         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2075         (lst_try_interchange): Reimplemented.
2076         (lst_interchange_select_inner): Same.
2077         (lst_do_interchange): Renamed lst_interchange_select_outer.
2078         Reimplemented.
2079         (scop_do_interchange): Update use of lst_interchange_select_outer.
2080
2081         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2082         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2083         * gcc.dg/graphite/pr42211.c: New.
2084         * gfortran.dg/graphite/pr42334.f90: New.
2085
2086 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         PR middle-end/42181
2089         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2090         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2091
2092         * gfortran.dg/graphite/pr42181.f90: New.
2093
2094 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2095
2096         PR middle-end/42284
2097         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2098         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2099         (detect_commutative_reduction_arg): Simplified.
2100         (detect_commutative_reduction): Early return when the argument of
2101         the close phi is not of an SSA_NAME.
2102
2103         * gcc.dg/graphite/pr42284.c: New.
2104
2105 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2106
2107         * dbgcnt.def (graphite_scop): New counter.
2108         * graphite.c: Include dbgcnt.h
2109         (graphite_transform_loops): Use new counter to limit transformations.
2110
2111 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2112
2113         PR middle-end/42285
2114         * graphite-scop-detection.c (graphite_can_represent_init): Also
2115         handle more complex MULT_EXPRs containing parameters by recursion
2116         on the structure.
2117
2118         * gfortran.dg/graphite/pr42285.f90: New.
2119
2120 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2121
2122         * g++.dg/graphite/pr42130.C: Fix type.
2123
2124 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2125
2126         * g++.dg/graphite/pr42130.C: Correct testcase.
2127
2128 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2129
2130         * Merge from mainline (154493:154734).
2131
2132 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2133
2134         * Merge from mainline (151362:154491).
2135
2136 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2137
2138         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2139         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2140
2141 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2142
2143         PR middle-end/42130
2144         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2145         translate_clast_for_loop): New.
2146         (translate_clast_for): Add a condition around the loop, to do not
2147         execute loops with zero iterations.
2148         * g++.dg/graphite/pr42130.C: New.
2149         * gcc.dg/graphite/pr35356-2.c: Adapt.
2150
2151 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2152
2153         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2154         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2155         Remove context_loop and level.
2156
2157 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2158
2159         * graphite-clast-to-gimple.c (translate_clast_user,
2160         translate_clast_for, translate_clast_guard): Simplify and move common
2161         elements to translate_clast().
2162         (translate_clast): Simplify and get common elements.
2163
2164 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2165
2166         * graphite-clast-to-gimple.c (translate_clast_user,
2167         translate_clast_for, translate_clast_guard): Split out of
2168         translate_clast.
2169
2170 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2171
2172         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2173         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2174         debug_clast_name_indexes_1, debug_clast_name_indexes,
2175         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2176         (clast_name_to_gcc, clast_to_gcc_expression,
2177         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2178         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2179         graphite_create_guard_cond_expr, graphite_create_new_loop,
2180         translate_clast): Add params_index.
2181         (initialize_cloog_names): Create parameter strings from scratch, do
2182         not reference other strings.
2183         (create_params_index): New.
2184         (gloog): Initialize params_index.
2185         * graphite-scop-detection (free_scops_1): Removed.
2186         (limit_scops): Use normal free_scops.
2187         * graphite-sese-to-poly.c (save_var_names): Removed.
2188         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2189         and SESE_PARAMS_INDEX.
2190         * sese.c (new_sese, free_sese): Dito.
2191         * sese.h (struct sese): Remove params_index, params_names.
2192         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2193
2194 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         Revert the following patch from 2009-09-14:
2197         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2198         tree-scalar-evolution.h, and then tree-data-ref.h.
2199         * graphite-clast-to-gimple.c: Same.
2200         * graphite-dependences.c: Same.
2201         * graphite-interchange.c: Same.
2202         * graphite-poly.c: Same.
2203         * graphite-scop-detection.c: Same.
2204         * graphite-sese-to-poly.c: Same.
2205         * graphite.c: Same.
2206         * lambda-code.c: Same.
2207         * matrix-reorg.c: Same.
2208         * tree-data-ref.c: Same.
2209         * tree-if-conv.c: Same.
2210         * tree-loop-distribu: Same.: Same.
2211         * tree-loop-linear.c: Same.
2212         * tree-parloops.c: Same.
2213         * tree-predcom.c: Same.
2214         * tree-vect-patterns.c: Same.
2215
2216 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2217
2218         Revert patch from 2009-09-14.
2219         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2220         passes at -O1 and below.
2221
2222 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2223
2224         PR middle-end/40281
2225         * gcc.dg/graphite/pr40281.c: New.
2226
2227         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2228         evolutions should not variate in inner loops.
2229
2230 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2231
2232         PR middle-end/42050
2233         * gfortran.dg/graphite/pr42050.f90: New.
2234
2235 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2238         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2239
2240 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * graphite-blocking.c (scop_do_block): New.
2243         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2244         * graphite-poly.h (scop_do_block): Declared.
2245
2246 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2247
2248         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2249         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2250         to transform depth into the time_depth before calling
2251         pbb_number_of_iterations_at_time.
2252         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2253         lst_depth.
2254
2255 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2256
2257         Reverted the patch for "scattering permutations" from 2009-10-28.
2258
2259         * graphite-poly.c (print_permutation): New.
2260         (debug_permutation): New.
2261         (new_poly_bb): Initialize PBB_PERMUTATION.
2262         (free_poly_bb): Free PBB_PERMUTATION.
2263         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2264         (struct pbb_permutation_elt): New.
2265         (PBB_PERMUTATION_ELT_STRIDE): New.
2266         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2267         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2268         (new_pbb_permutation_elt): New.
2269         (pbb_permutation_elt_free): New.
2270         (struct poly_bb): Add field permutation.
2271         (PBB_PERMUTATION): New.
2272         (print_permutation): Declared.
2273         (debug_permutation): Declared.
2274
2275 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2276
2277         * graphite-interchange.c (build_partial_difference): New.
2278         (memory_stride_in_loop): Refactored the computation of
2279         equality constraints into build_partial_difference function.
2280         Added support for debugging stride computations.
2281
2282 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * graphite-clast-to-gimple.c (gloog): Free if_region,
2285         if_region->true_region, and if_region->region.
2286         * sese.c (if_region_set_false_region): Free if_region->false_region.
2287         (create_if_region_on_edge): Do not use GGC_NEW.
2288         (move_sese_in_condition): Remove useless initialization.
2289
2290 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2293         for the loops created by the loop distribution.  Do not modify the
2294         input LSTs.
2295         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2296         transformed schedule.  Call lst_update_scattering before data
2297         dependence analysis.
2298         (lst_try_interchange): Pass an extra parameter INDEX.
2299         (lst_do_interchange_1): New.
2300         (lst_do_interchange): Call lst_do_interchange_1.
2301         (scop_do_interchange): Call lst_update_scattering.
2302         * graphite-poly.c (apply_poly_transforms): Do not call
2303         lst_update_scattering.
2304         * graphite-poly.h (lst_pred): New.
2305         (lst_succ): New.
2306         (lst_find_first_pbb): Return NULL when not found.
2307         (lst_empty_p): New.
2308         (lst_insert_in_sequence): Allow LST1 to be NULL.
2309         (lst_replace): New.
2310         (lst_substitute_3): New.
2311         * gcc.dg/graphite/interchange-1.c: XFail.
2312         * gcc.dg/graphite/interchange-8.c: XFail.
2313         * gcc.dg/graphite/interchange-11.c: XFail.
2314
2315 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2316
2317         * graphite-interchange.c (lst_perfectly_nested_p): New.
2318         (lst_perfect_nestify): New.
2319         (lst_try_interchange_loops): Call store_lst_schedule,
2320         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2321         (scop_do_interchange): Avoid redundant legality test.
2322         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2323         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2324         * graphite-poly.h (psct_static_dim): New.
2325         (lst_dewey_number_at_depth): New.
2326         (lst_find_pbb): Restructured.
2327         (lst_find_first_pbb): Restructured.
2328         (lst_find_last_pbb): New.
2329         (lst_contains_p): New.
2330         (lst_contains_pbb): New.
2331         (lst_create_nest): New.
2332         (lst_remove_from_sequence): New.
2333         (pbb_update_scattering): New.
2334         (lst_update_scattering_under): New.
2335         (lst_update_scattering_seq): New.
2336         (lst_update_scattering): New.
2337         (lst_insert_in_sequence): New.
2338         (lst_distribute_lst): New.
2339         (lst_remove_all_before_including_pbb): New.
2340         (lst_remove_all_before_excluding_pbb): New.
2341
2342 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2343
2344         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2345         get_loop_exit_edges.
2346
2347 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2350
2351 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2352
2353         * graphite-poly.c (print_permutation): New.
2354         (debug_permutation): New.
2355         (new_poly_bb): Initialize PBB_PERMUTATION.
2356         (free_poly_bb): Free PBB_PERMUTATION.
2357         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2358         (struct pbb_permutation_elt): New.
2359         (PBB_PERMUTATION_ELT_STRIDE): New.
2360         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2361         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2362         (new_pbb_permutation_elt): New.
2363         (pbb_permutation_elt_free): New.
2364         (struct poly_bb): Add field permutation.
2365         (PBB_PERMUTATION): New.
2366         (print_permutation): Declared.
2367         (debug_permutation): Declared.
2368
2369 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-clast-to-gimple.c (gloog): Do not call
2372         sese_reset_aux_in_loops.
2373         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2374         extra argument for domains.  Do not use loop->aux.
2375         (build_scop_iteration_domain): Initialize and free domains, pass it
2376         to build_loop_iteration_domains and extract the information from
2377         domains.  Do not use loop->aux.
2378         * sese.c (sese_reset_aux_in_loops): Removed.
2379         * sese.h (sese_reset_aux_in_loops): Removed.
2380
2381 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2382
2383         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2384         (dependency_in_loop_p): Same.
2385         (translate_clast): Do not use loop->aux.  Initialize
2386         loop->can_be_parallel.
2387         (mark_loops_parallel): Removed.
2388         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2389         * graphite.c (free_aux_in_new_loops): Removed.
2390         (graphite_finalize): Do not call free_aux_in_new_loops.
2391         (graphite_transform_loops): Do not call mark_loops_parallel.
2392
2393 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2394
2395         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2396         (translate_clast): Pass an extra parameter LEVEL.
2397         Call get_scattering_level.
2398         * graphite-clast-to-gimple.h (get_scattering_level): New.
2399
2400 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2401
2402         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2403         * cfgloop.h (struct loop): New field single_iv.
2404
2405         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2406         loop->aux anymore: use loop->single_iv.
2407         (graphite_loop_normal_form): Moved...
2408         (build_graphite_loop_normal_form): Removed.
2409         (gloog): Do not call build_graphite_loop_normal_form.
2410         (free_aux_in_new_loops): Moved...
2411         (mark_loops_parallel): Restructure.
2412         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2413         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2414         (scop_canonicalize_loops): New.
2415         (build_poly_scop): Call scop_canonicalize_loops.
2416         * graphite.c (free_aux_in_new_loops): ...here.
2417
2418 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2419
2420         * g++.dg/graphite/graphite.exp: Add the same rules as in
2421         gcc.dg/graphite/graphite.exp.
2422
2423 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * g++.dg/graphite/id-1.C: New.
2426
2427 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2430         argument base_name.
2431         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2432         (rewrite_phi_out_of_ssa): Same.
2433         (rewrite_cross_bb_scalar_deps): Same.
2434         (translate_scalar_reduction_to_array): Same.
2435
2436 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2439         dump_alias_graphs.
2440
2441 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2442
2443         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2444         (build_scop_drs): Call dump_alias_graphs.
2445
2446 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2447
2448         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2449         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2450         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2451         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2452         * graphite-poly.h (free_lst): New.
2453         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2454         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2455
2456 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2457
2458         * graphite-poly.h (struct scop): Add a field saved_schedule.
2459         (SCOP_SAVED_SCHEDULE): New.
2460         (store_lst_schedule): New.
2461         (restore_lst_schedule): New.
2462         (store_scattering): Call store_lst_schedule.
2463         (restore_scattering): Call restore_lst_schedule.
2464
2465 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2468         (pdr_add_alias_set): Same.
2469         (build_poly_dr): Same.
2470         (build_alias_set_optimal_p): Same.
2471         (build_base_obj_set_for_drs): Same.  Do not store the result of
2472         graphds_dfs.
2473
2474 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2475
2476         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2477         all_components_are_cliques to 1.
2478
2479 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2480
2481         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2482         the new structure.
2483         (pdr_add_alias_set): Update retrieving alias_set_num.
2484         (build_poly_dr): Update retrieving dr_base_object_set.
2485         (partition_drs_to_sets): Remove.
2486         (build_alias_set_optimal_p): New.
2487         (build_alias_set_for_drs): Rename.
2488         (build_scop_drs): Update.
2489         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2490         (ALIAS_SET_INDEX): Remove.
2491         (BASE_OBJECT_SET_INDEX): Remove.
2492
2493 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2496
2497 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2500         loop upper bounds for 1-element arrays at end of structures.
2501         * tree-flow.h (array_at_struct_end_p): Declared.
2502         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2503
2504 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2505
2506         * g++.dg/graphite/pr41305.C: New.
2507
2508 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2509
2510         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2511         construction of parameter constraints from loop iteration analysis.
2512         * gcc.dg/graphite/run-id-2.c: New test.
2513
2514 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2517         and new_cstr.
2518
2519 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-dependences.c (dependence_polyhedron_1): Remove
2522         unused gdim dimensions from the DDR polyhedron.
2523
2524 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * graphite-dependences.c (pddr_transformed_scattering): New.
2527         (dot_original_deps_stmt_1): New.
2528         (dot_transformed_deps_stmt_1): New.
2529         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2530         dot_transformed_deps_stmt_1.
2531         (dot_original_deps): New.
2532         (dot_transformed_deps): New.
2533         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2534
2535 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         * graphite-dependences.c (reduction_dr_1): Remove wrong
2538         assert: reduction BBs can have multiple reduction writes
2539         to memory.  interchange-3.f90 is an example.
2540
2541 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         * gfortran.dg/graphite/interchange-3.f90: New.
2544
2545 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2548
2549 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * graphite-dependences.c (dependence_polyhedron_1): Add the
2552         context to the dependence polyhedron.
2553
2554 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2557         PBB_PDR_DUPLICATES_REMOVED.
2558         (new_poly_bb): Same.
2559
2560 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2561
2562         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2563         SCOP_CONTEXT.
2564         (build_loop_iteration_domains): Extract bounds on parameters
2565         based on the data size.
2566         (build_scop_context): Do not initialize SCOP_CONTEXT;
2567         add new constraints.
2568
2569 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2570
2571         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2572         * graphite-ppl.h (graphite-ppl.h): Declared.
2573
2574 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * graphite-ppl.c (ppl_print_linear_expr): New.
2577         (debug_ppl_linear_expr): New.
2578         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2579         (debug_ppl_linear_expr): Declared.
2580
2581 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite-interchange.c: Fix comments.
2584         * gcc.dg/graphite/block-1.c: Fix comments.
2585
2586 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2589         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2590
2591 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2592
2593         Reapply the patch from Alexander Monakov that disappeared during
2594         the last merges from trunk.
2595
2596         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2597
2598         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2599         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2600
2601 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         * graphite-interchange.c (memory_stride_in_loop): The depth
2604         argument corresponds to a dynamic time dimension, so use
2605         psct_dynamic_dim to refer to the transformed scattering dimension.
2606
2607 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2608
2609         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2610
2611 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2612
2613         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2614         root of the LST.
2615         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2616         the root of the LST.
2617         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2618         fake loop.
2619         (print_lst): Print the root of LST in a different format.
2620         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2621
2622 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2625
2626 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2627
2628         * doc/passes.texi: Document the Graphite infrastructure.
2629
2630 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2631
2632         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2633         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2634         and check the SSA representation.
2635
2636         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2637
2638 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2639
2640         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2641
2642 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * gcc.dg/graphite/interchange-11.c: New.
2645
2646 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2649
2650 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2651
2652         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2653         Add -fno-loop-strip-mine and -fno-loop-interchange.
2654         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2655         -fno-loop-strip-mine.
2656         * gfortran.dg/graphite/graphite.exp: Same.
2657
2658 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2659
2660         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2661         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2662         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2663         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2664         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2665         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2666         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2667         DEFAULT_FLAGS_GRAPHITE_SCOP.
2668         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2669         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2670
2671 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2672
2673         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2674
2675 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2676             Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-interchange.c (build_linearized_memory_access): Pass an
2679         offset as parameter.
2680         (memory_stride_in_loop): Include transform scattering in the
2681         access functions to be able to querry the strides in the
2682         transformed loops.
2683         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2684         not the psct_iterator_dim.
2685
2686 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2689         (lst_do_strip_mine_loop): New.
2690         (lst_do_strip_mine): New.
2691         (scop_do_strip_mine): Call lst_do_strip_mine.
2692         * graphite-poly.h (lst_add_loop_under_loop): New.
2693         (lst_find_first_pbb): New.
2694
2695 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2696
2697         * graphite-poly.c (loop_to_lst): Fix LST creation.
2698
2699 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2700
2701         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2702         sizeof(unsigned long) to make it run on 32bit systems.
2703
2704 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2705
2706         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2707         SEGFAULT on 32bit.
2708
2709 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2710
2711         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2712         Comment.
2713         (write_alias_graph_to_ascii_dot): New.
2714         (write_alias_graph_to_ascii_ecc): Ditto.
2715         (partition_drs_to_sets): Add testing of optimality of current method
2716         which assigns alias numbers according to DFS Comopnent number.  used
2717         as heuristic for the upcoming ECC algorithm.
2718         (build_scop_drs): Write to file also with the ecc and dot format.
2719
2720 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * gfortran.dg/graphite/interchange-1.f: XFail.
2723
2724 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2725
2726         * graphite.c (graphite_initialize): Do not handle functions with
2727         more than 100 basic blocks.
2728
2729 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * graphite-blocking.c (pbb_do_strip_mine): Use
2732         PARAM_LOOP_BLOCK_TILE_SIZE.
2733
2734 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2735
2736         * graphite-poly.c (dot_lst_1): New.
2737         (dot_lst): New.
2738         * graphite-poly.h (dot_lst): Declared.
2739
2740 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * graphite-dependences.c (dot_deps_stmt_1): New.
2743         (dot_deps_stmt): New.
2744         * graphite-dependences.h (dot_deps_stmt): Declared.
2745
2746 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2749         not replace cross BB scalar dependences ending on PHI nodes.
2750         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2751
2752 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * graphite-poly.c (apply_poly_transforms): Implement the high
2755         level driver for flag_loop_block.
2756         * opts.c (decode_options): Enable flag_loop_block at -O2.
2757         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2758         flag_loop_block.
2759
2760         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2761         -floop-block.
2762         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2763         Add -floop-block.
2764
2765 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         * graphite-poly.h (lst_find_pbb): New.
2768         (find_lst_loop): New.
2769
2770 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2773         * graphite-poly.h (struct scop): Remove dep_graph field.
2774         (SCOP_DEP_GRAPH): Removed.
2775
2776 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-poly.h (copy_lst): Do full copy of LST.
2779
2780 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2781
2782         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2783         when the loop stride is zero.
2784
2785         * gcc.dg/graphite/id-16.c: New.
2786
2787 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-dependences.c (reduction_dr_1): New.
2790         (reduction_dr_p): New.
2791         (graphite_legal_transform_dr): Call reduction_dr_p.
2792         (reduction_ddr): Renamed reduction_ddr_p.
2793         * graphite-poly.h (same_pdr_p): New.
2794         (number_of_write_pdrs): New.
2795         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2796         (split_reduction_stmt): Do not split reduction statements
2797         when there are no writes to memory.
2798         (translate_scalar_reduction_to_array_for_stmt): Insert the
2799         memory reduction statement just after the scalar reduction statement.
2800
2801         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2802         Un-XFAIL-ed.
2803         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2804         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2805
2806 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * graphite-interchange.c (lst_apply_interchange): New.
2809         (lst_interchange_profitable_p): New.
2810         (lst_try_interchange_loops): New.
2811         (lst_try_interchange): New.
2812         (lst_do_interchange): New.
2813         (pbb_do_interchange): Removed.
2814         (scop_do_interchange): Call lst_do_interchange.
2815
2816 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2819         SCOP_TRANSFORMED_SCHEDULE.
2820         (loop_to_lst): New.
2821         (scop_to_lst): New.
2822         (print_lst): New.
2823         (debug_lst): New.
2824         * graphite-poly.h (lst_p): New.
2825         (struct lst): New.
2826         (LST_LOOP_P): New.
2827         (LST_LOOP_FATHER): New.
2828         (LST_PBB): New.
2829         (LST_SEQ): New.
2830         (scop_to_lst): Declared.
2831         (print_lst): Declared.
2832         (debug_lst): Declared.
2833         (new_lst_loop): New.
2834         (new_lst_stmt): New.
2835         (copy_lst): New.
2836         (lst_depth): New.
2837         (lst_dewey_number): New.
2838         (struct scop): Add original_schedule and transformed_schedule fields.
2839         (SCOP_ORIGINAL_SCHEDULE): New.
2840         (SCOP_TRANSFORMED_SCHEDULE): New.
2841         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2842
2843 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-dependences.c (reduction_ddr): New.
2846         (graphite_legal_transform_bb): Call reduction_ddr.
2847         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2848         Initialize PBB_IS_REDUCTION.
2849         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2850         (PBB_IS_REDUCTION): New.
2851         (new_poly_bb): Update declaration.
2852         * graphite-scop-detection.h (build_scop_bbs): Removed.
2853         (nb_reductions_in_loop): Removed.
2854         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2855         parameter for reductions.
2856         (try_generate_gimple_bb): Update call to new_poly_bb.
2857         (build_scop_bbs_1): Same.
2858         (build_scop_bbs): Same.
2859         (gsi_for_phi_node): New.
2860         (scalar_close_phi_node_p): Remove gcc_assert.
2861         (split_reduction_stmt): New.
2862         (is_reduction_operation_p): New.
2863         (phi_contains_arg): New.
2864         (follow_ssa_with_commutative_ops): New.
2865         (detect_commutative_reduction_arg): New.
2866         (detect_commutative_reduction_assign): New.
2867         (follow_inital_value_to_phi): New.
2868         (edge_initial_value_for_loop_phi): New.
2869         (initial_value_for_loop_phi): New.
2870         (detect_commutative_reduction): New.
2871         (translate_scalar_reduction_to_array_for_stmt): New.
2872         (insert_copyout): New.
2873         (insert_copyin): New.
2874         (translate_scalar_reduction_to_array): New.
2875         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2876         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2877         (rewrite_commutative_reductions_out_of_ssa): New.
2878         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2879         * sese.h (split_region_for_bb): New.
2880
2881         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2882         * gcc.dg/graphite/interchange-1.c: Fix format.
2883         * gcc.dg/graphite/interchange-10.c: New.
2884
2885 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2886
2887         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2888         buggy assert.
2889
2890 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2891
2892         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2893         (rewrite_cross_bb_scalar_dependence): New.
2894         (rewrite_cross_bb_scalar_deps): New.
2895         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2896         Call rewrite_cross_bb_scalar_deps.
2897
2898 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2899
2900         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2901         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2902         gsi_for_stmt.
2903
2904 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2905
2906         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2907         * graphite-interchange.c (pbb_do_interchange): Same.
2908         * graphite-poly.c (print_scattering_function): Same.
2909         (debug_pdrs): Same.
2910         * graphite-poly.h (pbb_loop): New.
2911         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2912
2913 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2916
2917 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2920         so don't pass a pointer to it.
2921         (build_alias_set_for_drs): Same.
2922         (build_base_obj_set_for_drs): Same.
2923         (build_scop_drs): Same.
2924
2925 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2926
2927         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2928         the alias graph of data references.
2929
2930 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2931
2932         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2933         (build_scop_drs): When debugging, write the alias graph to file,
2934         otherwise, should be disabled.
2935
2936 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * Merge from mainline (151310:151361).
2939
2940 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         * Merge from mainline (151171:151310).
2943
2944 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2945
2946         * Merge from mainline (151171:151806).
2947
2948 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * Revert the last commit.
2951
2952 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         * Merge from mainline (151171:151819).
2955
2956 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2957
2958         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2959         (is_simple_operand): Remove call to stmt_simple_memref_p.
2960         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2961
2962 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2963
2964         * gcc.dg/graphite/interchange-mvt.c: New File.
2965         * gcc.dg/graphite/scop-dsyrk.c: New File.
2966         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2967         * gcc.dg/graphite/scop-mvt.c: New File.
2968         * gcc.dg/graphite/scop-sor.c: New File.
2969
2970 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2971
2972         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2973         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2974         (graphite_carried_dependence_level_k): Ditto.
2975         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2976         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2977         (new_poly_dr): Adjust declaration.
2978         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2979         (free_gimple_bb): Added free_data_refs_aux.
2980         (build_poly_dr): Add dr_base_object_set.
2981         (partition_drs_to_sets): New.
2982         (dr_same_base_object_p): New.
2983         (build_alias_set_for_drs): New.
2984         (build_base_object_set_for_drs): New.
2985         (build_scop_drs): Add build_base_obj_set_for_drs.
2986         * graphite-sese-to-poly.h: Added #define for alias set number index and
2987         base object set index.
2988         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2989         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2990
2991 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2992
2993         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2994         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2995
2996 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2997
2998         * graphite-sese-to-poly.c (struct irp_data): Removed.
2999         (idx_record_params): Removed.
3000         (find_params_in_bb): Scan for parameters the access functions; don't
3001         parse the tree representation.
3002
3003 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3004
3005         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3006         passes at -O1 and below.
3007
3008 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3009
3010         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3011         tree-scalar-evolution.h, and then tree-data-ref.h.
3012         * graphite-clast-to-gimple.c: Same.
3013         * graphite-dependences.c: Same.
3014         * graphite-interchange.c: Same.
3015         * graphite-poly.c: Same.
3016         * graphite-scop-detection.c: Same.
3017         * graphite-sese-to-poly.c: Same.
3018         * graphite.c: Same.
3019         * lambda-code.c: Same.
3020         * matrix-reorg.c: Same.
3021         * tree-data-ref.c: Same.
3022         * tree-if-conv.c: Same.
3023         * tree-loop-distribu: Same.: Same.
3024         * tree-loop-linear.c: Same.
3025         * tree-parloops.c: Same.
3026         * tree-predcom.c: Same.
3027         * tree-vect-patterns.c: Same.
3028
3029 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         Partially revert the previous patch, except the following.
3032         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3033         as parameters the operands of the not expression.
3034
3035 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3038         Do not call analyze_scalar_evolution on assignments.
3039         (instantiate_scev_phi): Call analyze_scalar_evolution.
3040         (instantiate_scev_name): Call instantiate_scev_assign and
3041         instantiate_scev_phi.
3042         (instantiate_scev_not): Adapted to pass as parameters the operands
3043         of the not expression.
3044
3045 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3046
3047         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3048         to pass as parameters the operands of the binary expression.
3049
3050 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3051
3052         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3053         instantiate_scev_not.  Handle NEGATE_EXPR.
3054         (instantiate_scev_r): Handle NEGATE_EXPR.
3055
3056 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3057
3058         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3059         instantiate_scev_r.
3060         (instantiate_scev_r): Move code in instantiate_scev_2
3061         and instantiate_scev_1.
3062
3063 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3064
3065         * tree-scalar-evolution.c (instantiate_scev_3): New.
3066         (instantiate_scev_1): Move code in instantiate_scev_3.
3067
3068 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3071         (instantiate_scev_1): Move code in instantiate_scev_poly.
3072
3073 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3074
3075         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3076         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3077
3078 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3079
3080         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3081         (instantiate_scev_1): Move code in instantiate_scev_convert.
3082
3083 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3086         (instantiate_scev_1): Move code in instantiate_scev_binary.
3087
3088 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         * tree-scalar-evolution.c (instantiate_scev_name): New.
3091         (instantiate_scev_1): Move code in instantiate_scev_name.
3092
3093 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * Merge from mainline (150992:151171).
3096
3097 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3100
3101 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3102
3103         * graphite-dependences.c (graphite_legal_transform_bb): Call
3104         pbb_remove_duplicate_pdrs.
3105         * graphite-poly.c (can_collapse_pdr): Removed.
3106         (pdr_find_duplicate): Removed.
3107         (can_collapse_pdrs): New.
3108         (pbb_remove_duplicate_pdrs): New.
3109         (new_poly_dr): Do not look for duplicates.
3110         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3111         (PBB_PDR_DUPLICATES_REMOVED): New.
3112         (pbb_remove_duplicate_pdrs): Declared.
3113
3114 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3117         the strides by multiplying by PDR_NB_REFS.
3118         * graphite-poly.c (can_collapse_pdr): New.
3119         (pdr_find_duplicate): New.
3120         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3121         Initialize PDR_NB_REFS.
3122         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3123         (PDR_NB_REFS): New.
3124         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3125
3126 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3127
3128         Revert one of the previous commits:
3129         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3130         the computation of symmetric data dependence relations.
3131         (dependency_between_pbbs_p): Same.
3132
3133 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3134
3135         PR middle-end/40965
3136         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3137         any transform.
3138
3139 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-dependences.c (pddr_original_scattering): Return NULL
3142         for read-read dependence relations.
3143         * graphite-poly.h (enum poly_dr_type): Fix comment.
3144         (pdr_read_p): New.
3145         (pdr_write_p): New.
3146         (pdr_may_write_p): New.
3147
3148 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3149
3150         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3151         (struct poly_dr): Same.
3152         (new_poly_dr): Same.
3153         * graphite-poly.c (new_poly_dr): Same.
3154
3155 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3156             Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3159         pbb_strip_mine_time_depth.  Changed the implementation so that
3160         transformation is expressed as a transformation on
3161         time (scatttering) dimensions.  Also, ensures that the 2d+1
3162         scheduling format is preserved.
3163         (pbb_strip_mine_profitable_p): Profitability is based on the
3164         iteration number of a given time (scattering) dimension,
3165         and not on a original loop depth dimension.
3166         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3167         (pbb_do_strip_mine): Call psct_dynamic_dim.
3168         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3169         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3170         (pbb_nb_dynamic_scattering_transform): New.
3171         (psct_dynamic_dim): New.
3172
3173 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3174
3175         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3176         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3177         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3178         * graphite-interchange.c (build_linearized_memory_access): Same.
3179         (memory_stride_in_loop): Same.
3180
3181 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-dependences.c (pddr_original_scattering): New.
3184         (graphite_legal_transform_dr): Call pddr_original_scattering.
3185         (dot_deps_1): New.
3186         (dot_deps): New.
3187         * graphite-dependences.h (dot_deps): Declared.
3188         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3189         (print_pdr): Print PDR_ID.
3190         * graphite-poly.h (struct poly_dr): Add field id.
3191         (PDR_ID): New.
3192         (pbb_index): New.
3193         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3194
3195 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3196
3197         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3198         not delete the original dependence relation.
3199
3200 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3203         the computation of symmetric data dependence relations.
3204         (dependency_between_pbbs_p): Same.
3205
3206 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3209         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3210         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3211         (free_poly_ddr): New.
3212         (pddr_is_empty): New.
3213         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3214         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3215         Remove fprintfs.
3216         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3217         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3218         * graphite-dependences.h (enum poly_dependence_kind): New.
3219         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3220         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3221         (PDRP_SINK): Renamed PDDR_SINK.
3222         (PDRP_DDP): Renamed PDDR_DDP.
3223         (PDDR_KIND): New.
3224         (free_poly_ddr): Declared.
3225         * graphite-poly.c (new_scop): Use the new hash function names.
3226         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3227         into original_pddrs.
3228         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3229
3230 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         * Merge from mainline (150764:150992).
3233
3234 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3237         bounds with LT_EXPR to make niter analysis more precise on code
3238         generated by Graphite.
3239
3240 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3241
3242         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3243         (graphite_legal_transform_bb): Same.
3244         (poly_drs_may_alias_p): Same.
3245
3246 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3247
3248         PR middle-end/40981
3249         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3250         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3251
3252 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3253
3254         * graphite-poly.c (print_pbb): Print PBB index.
3255
3256 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3257
3258         * Merge from mainline (r150672:150764).
3259
3260 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite-interchange.c (ppl_max_for_le): Moved...
3263         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3264         * graphite-ppl.c (ppl_max_for_le): ... here.
3265         * graphite-ppl.h (ppl_max_for_le): Declared.
3266
3267 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         * Merge from mainline (r150372:150672).
3270
3271 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         PR middle-end/40980
3274         * sese.c (convert_for_phi_arg): New.
3275         (add_guard_exit_phis): Use convert_for_phi_arg.
3276
3277         * gfortran.dg/graphite/id-17.f: New.
3278
3279 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3282         unknown subscript upper bounds.
3283
3284         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3285
3286 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3287             Pranav Garg  <pranav.garg2107@gmail.com>
3288
3289         * graphite-interchange.c (gather_access_strides): Removed.
3290         (ppl_max_for_le): New.
3291         (build_linearized_memory_access): New.
3292         (memory_stride_in_loop): New.
3293         (pbb_interchange_profitable_p): Reimplemented.
3294         * graphite-ppl.h (ppl_new_id_map): New.
3295         (ppl_interchange): New.
3296
3297         * gcc.dg/graphite/interchange-6.c: XFAILed.
3298
3299 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3300
3301         * graphite-interchange.c (compute_subscript): Removed.
3302         (compute_array_size_cstr): Removed.
3303         (compute_array_size_poly): Removed.
3304         (compute_array_size): Removed.
3305         (gather_access_strides_poly): Removed.
3306         (gather_access_strides): Empty.
3307
3308 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * graphite-dependences.c (dependence_polyhedron_1): Replace
3311         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3312         (graphite_legal_transform_dr): Same.
3313         (graphite_carried_dependence_level_k): Same.
3314         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3315         Initialize PDR_NB_SUBSCRIPTS.
3316         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3317         PDR_NB_SUBSCRIPTS.
3318         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3319         (PDR_NB_SUBSCRIPTS): New.
3320         (pdr_nb_subscripts): Removed.
3321         (pdr_dim): Simplified.
3322         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3323         with PDR_NB_SUBSCRIPTS.
3324
3325 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * graphite-interchange.c (compute_array_size): Remove use of
3328         PDR_DATA_CONTAINER.
3329         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3330         Do not initialize PDR_DATA_CONTAINER.
3331         (print_pdr): Do not print PDR_DATA_CONTAINER.
3332         * graphite-poly.h (struct poly_dr): Remove data_container field.
3333         (PDR_DATA_CONTAINER): Removed.
3334         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3335         PDR_DATA_CONTAINER.
3336         (build_poly_dr): Same.
3337
3338 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * gcc.dg/graphite/interchange-9.c: New.
3341
3342 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3343             Sebastian Pop  <sebastian.pop@amd.com>
3344
3345         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3346         copy of the dependence polyhedron.  Free the temporary objects.
3347         (graphite_carried_dependence_level_k): Free unused objects before
3348         returning.
3349
3350         * gcc.dg/graphite/interchange-1.c: XFAILed.
3351         * gcc.dg/graphite/interchange-2.c: XFAILed.
3352         * gcc.dg/graphite/interchange-3.c: XFAILed.
3353         * gcc.dg/graphite/interchange-4.c: XFAILed.
3354         * gcc.dg/graphite/interchange-7.c: XFAILed.
3355
3356 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3357
3358         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3359         Early return without analyzing the data dependences if no
3360         transform has been done.  Call restore_scattering if the transform
3361         is not legal.
3362         (graphite-interchange.c): Same.
3363         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3364         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3365         (apply_poly_transforms): Do not gcc_assert that
3366         the transform is legal.
3367         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3368         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3369         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3370         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3371         * graphite-poly.h (struct poly_scattering): New.
3372         (struct poly_bb): Add original, transformed, and saved fields.
3373         Remove transformed_scattering, original_scattering, nb_local_variables,
3374         and nb_scattering_transform fields.
3375         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3376         (poly_scattering_new): New.
3377         (poly_scattering_free): New.
3378         (poly_scattering_copy): New.
3379         (store_scattering_pbb): New.
3380         (store_scattering): New.
3381         (restore_scattering_pbb): New.
3382         (restore_scattering): New.
3383         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3384         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3385
3386 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3387
3388         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3389         (print_scop): Same.
3390
3391 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3392
3393         * Makefile.in (graphite.o): Depends on PREDICT_H.
3394         * graphite.c: Include predict.h.
3395         (graphite_finalize): Call tree_estimate_probability.
3396         * predict.c (predict_loops): Do not call scev_initialize and
3397         scev_finalize.
3398         (tree_estimate_probability_bb): New.
3399         (tree_estimate_probability): Do not initialize loops: move that
3400         code to the driver.  Call tree_estimate_probability_bb.
3401         (tree_estimate_probability_driver): New.
3402         (pass_profile): Use tree_estimate_probability_driver.
3403         * predict.h (tree_estimate_probability): Declared.
3404
3405 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3406
3407         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3408         * graphite-dependences.c (graphite_legal_transform): Add time to
3409         TV_GRAPHITE_DATA_DEPS.
3410         (dependency_between_pbbs_p): Same.
3411         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3412
3413 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * Merge from mainline (r149952:150372).
3416
3417 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3420         * graphite-blocking.c: Same.
3421         * graphite-clast-to-gimple.c: Same.
3422         * graphite-dependences.c: Same.
3423         * graphite-poly.c: Same.
3424         * graphite-poly.h: Same.
3425         * graphite-ppl.c: Same.
3426         * graphite-scop-detection.c: Same.
3427         * graphite-sese-to-poly.c: Same.
3428         * graphite.c: Same.
3429
3430 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3431
3432         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3433         (remove_simple_copy_phi): New.
3434         (remove_invariant_phi): New.
3435         (simple_copy_phi_p): New.
3436         (reduction_phi_p): New.
3437         (gsi_for_ssa_name_def): New.
3438         (insert_out_of_ssa_copy): New.
3439         (insert_out_of_ssa_copy_on_edge): New.
3440         (create_zero_dim_array): New.
3441         (scalar_close_phi_node_p): New.
3442         (rewrite_close_phi_out_of_ssa): New.
3443         (rewrite_phi_out_of_ssa): New.
3444         (rewrite_reductions_out_of_ssa): New.
3445         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3446
3447         * gcc.dg/graphite/id-11.c: New.
3448         * gcc.dg/graphite/id-15.c: New.
3449         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3450         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3451         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3452         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3453         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3454         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3455         * gfortran.dg/graphite/id-13.f: New.
3456         * gfortran.dg/graphite/id-5.f: New.
3457
3458 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3459
3460         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3461         check that nb_reductions_in_loop is zero.
3462         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3463         reduction phi nodes.
3464         (nb_reductions_in_loop): Removed.
3465         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3466         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3467         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3468         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3469         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3470
3471 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3472
3473         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3474         statements that have an empty iteration domain.
3475         * gfortran.dg/graphite/id-16.f: New.
3476
3477 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * tree-scalar-evolution.c (instantiate_scev_1): Return
3480         chrec_dont_know when the result is not above instantiate_below.
3481         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3482         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3483         the tree has a known scalar evolution.
3484         * gfortran.dg/graphite/id-14.f: New.
3485         * gfortran.dg/graphite/id-15.f: New.
3486
3487 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3490         insert_gsi.
3491         (rename_variables): Keep inserting renames after the ones already
3492         inserted.
3493
3494 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3495
3496         * graphite-sese-to-poly.c (compare_bb_depths): New.
3497         (graphite_sort_dominated_info): New.
3498         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3499         (build_scop_scattering): Fix comment.
3500
3501 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c (graphite_finalize): Call print_loops instead of
3504         dump_function_to_file.
3505         * gcc.dg/graphite/graphite.exp: Fix formatting.
3506         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3507         loops generated in the graphite output file.
3508         * gcc.dg/graphite/pr35356-2.c: New.
3509         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3510         * gfortran.dg/graphite/id-12.f: New.
3511
3512 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3513
3514         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3515         Remove 2 XFAIL.
3516
3517 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3518             Tobias Grosser  <grosser@fim.uni-passau.de>
3519
3520         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3521         alias set number build alias in ACCESSES polyhedron.
3522         (build_alias_set_for_drs): New.
3523         (build_pbb_drs): Added build_alias_set_for_drs.
3524         * graphite-dependences.c (poly_drs_may_alias_p): New.
3525         (graphite_carried_dependence_level_k): Check alias information
3526         before building polyhedron.
3527
3528 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3529
3530         * Makefile.in (lambda-code.o): Fix formatting.
3531
3532 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3533
3534         * Merge from mainline (r149350-149952)
3535
3536 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3537
3538         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3539         before interchange to prepare for loop blocking.
3540
3541 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3542
3543         * graphite-poly.c (apply_poly_transforms): Add checks after every
3544         transformation.
3545         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3546         done in apply_poly_transforms.
3547
3548 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3549
3550         * graphite-dependences.c (build_lexicographically_gt_constraint):
3551         Replace RES parameter with *RES.
3552         (dependence_polyhedron_1): Pass an address of the parameter RES
3553         instead of value of RES.
3554
3555 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3556
3557         * graphite.c (graphite_finalize): Fix comment.
3558         (graphite_transform_loops): Reset scev info after code generation
3559         of each scop.
3560
3561 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3562
3563         * graphite.c (graphite_finalize): Call scev_reset.
3564
3565 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3566
3567         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3568         GBB_CLOOG_IV_TYPES hash table twice.
3569         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3570         (add_condition_to_domain): Clear GMP values.
3571
3572 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3573
3574         * graphite-dependences.c: Fix formatting.
3575         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3576         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3577         * graphite-sese-to-poly.c: Fix formatting.
3578         * graphite.c (graphite_transform_loops): Create the hash table
3579         after the early return.
3580
3581 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3582
3583         * gcc.dg/graphite/id-14.c: New.
3584         * gcc.dg/graphite/pr40157.c: New.
3585         * gfortran.dg/graphite/id-11.f: New.
3586
3587 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3588
3589         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3590         (build_poly_scop): Return false when there are no pbbs within
3591         loops to avoid to pass to cloog scops with no loops.
3592
3593 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3594
3595         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3596         useless test "i % 2".
3597         (build_pbb_scattering_polyhedrons): Fix formatting.
3598         (build_poly_dr): Same.
3599         * graphite.c (graphite_transform_loops): Restructure.
3600
3601 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3602
3603         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3604         reduction_list parameter.
3605         (rewrite_all_phi_nodes_with_iv): Same.
3606         (canonicalize_loop_ivs): Same.
3607         * tree-parloops.c (struct brli): Removed.
3608         (build_reduction_list_info): Removed.
3609         (build_new_reduction): New.
3610         (analyze_reduction_list): Removed.
3611         (gather_scalar_reductions): Find reductions instead of phi
3612         nodes that can't be canonicalized.
3613         (try_create_reduction_list): Remove reduction_list parameter.
3614         (gen_parallel_loop): Same.
3615         (parallelize_loops): Remove analyze_reductions variable,
3616         initialization and free.
3617         Change reduction_list htab initialization to reduction_info
3618         elements instead of ssa names.
3619         Call try_create_reduction_list and gen_parallel_loop without
3620         analyzed_reduction argument.
3621         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3622         canonicalize_loop_ivs with one less argument.
3623         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3624
3625 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3626
3627         * graphite-dependences.c (new_poly_dr_pair): New.
3628         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3629         (new_poly_dr_pair): New.
3630         (eq_poly_dr_pair_p): New.
3631         (hash_poly_dr_pair_p): New.
3632         * graphite-dependences.h (struct poly_dr_pair): New.
3633         (eq_poly_dr_pair_p): Declared.
3634         (hash_poly_dr_pair_p): Declared.
3635         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3636         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3637         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3638         * Makefile.in (graphite-poly.o): Add dependence on
3639         graphite-dependences.h.
3640
3641 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3642
3643         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3644         polynomials of degree > 1 pass to Graphite.
3645         * tree-chrec.c (scev_is_linear_expression): Call
3646         evolution_function_is_affine_multivariate_p.
3647         * gfortran.dg/graphite/id-10.f90: New.
3648
3649 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3650
3651         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3652         Instantiate scevs varying in outer loops.
3653         * gfortran.dg/graphite/id-9.f: Correct testcase.
3654
3655 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3656
3657         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3658         redundant constraint.
3659
3660 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3661
3662         * gcc.dg/graphite/graphite.exp: Fix comments.
3663         * gfortran.dg/graphite/graphite.exp: Trigger actions
3664         based on the file names as in the C testsuite.
3665         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3666         * gfortran.dg/graphite/block-2.f: Same.
3667         * gfortran.dg/graphite/block-3.f90: Same.
3668         * gfortran.dg/graphite/block-4.f90: Same.
3669         * gfortran.dg/graphite/id-1.f90: Same.
3670         * gfortran.dg/graphite/id-2.f90: Same.
3671         * gfortran.dg/graphite/id-3.f90: Same.
3672         * gfortran.dg/graphite/id-4.f90: Same.
3673         * gfortran.dg/graphite/id-6.f: Same.
3674         * gfortran.dg/graphite/id-9.f: Same.
3675         * gfortran.dg/graphite/interchange-1.f: Same.
3676         * gfortran.dg/graphite/interchange-2.f: Same.
3677         * gfortran.dg/graphite/scop-1.f: Same.
3678
3679 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3680
3681         * sese.c (expand_scalar_variables_call): New.
3682         (expand_scalar_variables_ssa_name): Handle calls in expander.
3683
3684 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3687         Expect to see the pattern twice.
3688         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3689         * gcc.dg/graphite/interchange-5.c: Same.
3690         * gcc.dg/graphite/interchange-6.c: Same.
3691
3692 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3693
3694         * gcc.dg/graphite/id-10.c: New.
3695         * gcc.dg/graphite/id-12.c: New.
3696         * gfortran.dg/graphite/id-7.f: New.
3697         * gfortran.dg/graphite/id-8.f: New.
3698
3699 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3702         zero.
3703
3704 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3707
3708 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3709
3710         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3711
3712 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3713
3714         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3715         building PDR subscripts.
3716
3717 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3718
3719         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3720         computation of array sizes.
3721
3722 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3723
3724         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3725
3726 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3727
3728         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3729         build_pairwise_constraint, dr_equality_constraints,
3730         build_pairwise_scheduling_equality,
3731         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3732         build_lexicographically_gt_constraint, dependence_polyhedron,
3733         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3734         Move from NNC_Polyhedron to C_Polyhedron.
3735         * graphite-interchange.c (compute_array_size_poly,
3736         gather_access_strides): Dito.
3737         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3738         free_scop, pbb_number_of_iterations): Dito.
3739         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3740         pbb_dim_iter_domain, struct scop): Dito.
3741         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3742         new_Cloog_Domain_from_ppl_Polyhedron,
3743         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3744         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3745         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3746         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3747         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3748         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3749         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3750         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3751         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3752         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3753         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3754         build_scop_iteration_domain, build_poly_dr): Dito
3755
3756 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3757
3758         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3759         run-id-*.c files.
3760         * gcc.dg/graphite/run-id-1.c: New.
3761
3762 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3763
3764         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3765         positivity constraint on the symbolic number of iterations.
3766
3767 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3768
3769         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3770
3771 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3772             Tobias Grosser  <grosser@fim.uni-passau.de>
3773
3774         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3775         (build_cloog_prog): Directly use SCOP_CONTEXT.
3776         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3777         (free_scop): Free SCOP_CONTEXT.
3778         (print_scop_context): New.
3779         (print_scop): Call print_scop_context.
3780         (debug_scop_context): New.
3781         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3782         (struct scop): Added field context.
3783         (SCOP_CONTEXT): New.
3784         * graphite-sese-to-poly.c (add_param_constraints): New.
3785         (build_scop_context): New.
3786         (build_poly_scop): Call build_scop_context.
3787
3788 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3789
3790         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3791         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3792         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3793         * graphite-ppl.h: Include double-int.h and tree.h.
3794         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3795         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3796         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3797         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3798
3799 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3802         POINTER_PLUS_EXPR for pointer types.
3803         (clast_to_gcc_expression): Same.
3804
3805 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * graphite-poly.c (print_scattering_function): Early return when
3808         PBB_TRANSFORMED_SCATTERING is not initialized.
3809         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3810
3811 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3814         to fix bootstrap.
3815
3816 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3817
3818         * tree-parloops.c (analyze_reduction_list): Change return
3819         value to void.
3820         (try_create_reduction_list): Move the call to
3821         analyze_reduction_list to the beginining.
3822         Call reduction_phi with analyzed_reductions as argument
3823         instead of reduction_list.
3824
3825 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3826
3827         *  Merge from mainline (r148296:149346)
3828
3829 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3830
3831         * graphite-scop-detection.c (graphite_can_represent_init): New.
3832         (graphite_can_represent_scev): Call graphite_can_represent_init:
3833         check that the initial value does not contain multiplications of
3834         parameters.
3835         (stmt_has_simple_data_refs_p): New.
3836         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3837         (is_simple_operand): Fix formatting.
3838         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3839
3840 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * gcc.dg/graphite/id-13.c: New.
3843         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3844         analyze_scalar_evolution, use scalar_evolution_in_region.
3845         (scan_tree_for_params_right_scev): Add extra assert.
3846         (parameter_index_in_region_1): Split from parameter_index_in_region.
3847         (idx_record_params): Use scalar_evolution_in_region.
3848         (find_params_in_bb): Same.
3849         (find_scop_parameters): Same.
3850         (build_loop_iteration_domains): Same.
3851         (create_linear_expr_from_tree): Same.
3852         * sese.c (scalar_evolution_in_region): New.
3853         * sese.h (scalar_evolution_in_region): Declared.
3854         (defined_in_sese_p): New.
3855         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3856         static anymore.
3857         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3858         Declared.
3859
3860 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3861
3862         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3863         TREE_DATA_REF_H also implies SCEV_H.
3864
3865 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * graphite-poly.c (print_scop_params): New.
3868         (print_scop): Call print_scop_params.
3869         (debug_scop_params): New.
3870         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3871
3872 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3873
3874         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3875         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3876         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3877         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3878         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3879         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3880
3881 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3882
3883         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3884         for dependency checking part.
3885         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3886         tests for dependency checking.
3887         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3888         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3889         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3890         flag -fdump-tree-graphite-all for autopar testsuites.
3891
3892 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3893
3894         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3895         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3896         canonicalize_loop_ivs): Moved...
3897         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3898
3899 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * tree-parloops.c (try_create_reduction_list): Pass an extra
3902         argument analyzed_reductions.  Call analyze_reduction_list.
3903         (gen_parallel_loop): Do not call analyze_reduction_list.
3904         (parallelize_loops): Init and finalize analyzed_reductions.
3905
3906 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3907
3908         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3909         Added flag -fno-loop-strip-mine for autopar testcase.
3910
3911 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3912
3913         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3914         transformed scattering dimension instead of unmatch orignal when
3915         calling dependence_polyhedron.
3916
3917 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3918
3919         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3920
3921 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3924         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3925
3926 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3927
3928         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3929         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3930         * graphite-poly.c (pbb_number_of_iterations): New.
3931         * graphite-poly.h (pbb_number_of_iterations): Declared.
3932         (pbb_iterator_dim, pbb_parameter_dim): New.
3933
3934 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3935
3936         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3937         last commit on type of lower and upper bound of loops.
3938
3939 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3940
3941         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3942         graphite-dependences.h.
3943         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3944         (mark_bb_with_pbb): New.
3945         (get_stmtfor_depth): New.
3946         (find_pbb_via_hash): New.
3947         (dependency_in_loop_p): New.
3948         (mark_loops_parallel): New.
3949         (free_aux_in_new_loops): New.
3950         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3951         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3952         innermost loop parallel without checking.
3953         (gloog): Add parameter BB_PBB_MAPPING.
3954         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3955         (gloog): Change declaration.
3956         (mark_loop_parallel): Make extern.
3957         (free_aux_in_new_loops): Declare.
3958         (bb_pbb_map_hash): New.
3959         (eq_bb_pbb_map): New.
3960         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3961         auto parallelization when flag_graphite_force_parallel is set.
3962         (graphite_finalize): Added free_aux_in_new_loops.
3963         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3964         the innermost loop that marked parallel.  Use
3965         flag_graphite_force_parallel instead of loop->can_be_parallel.
3966         (loop_parallel_p): Move inner most checking out of function.
3967
3968 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3969
3970         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3971         type of lower and upper bound of loops signed long int.
3972
3973 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3974
3975         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3976         expression outside the loop.
3977
3978 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3979
3980         * gcc.dg/graphite/interchange-8.c: New.
3981
3982 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3983
3984         * gcc.dg/graphite/interchange-0.c: XFailed.
3985         * gcc.dg/graphite/interchange-5.c: XFailed.
3986         * gcc.dg/graphite/interchange-6.c: XFailed.
3987
3988 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         * graphite-interchange.c (compute_array_size_poly): The end of the
3991         recursion should return 1.
3992
3993 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3994
3995         * graphite-interchange.c (compute_array_size_cstr): Allow the
3996         subscript multiplier to be -1.
3997         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3998         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3999         data_container.  Initializes PDR_DATA_CONTAINER.
4000         (print_pdr_access_layout): New.
4001         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4002         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4003         data_container.
4004         (PDR_DATA_CONTAINER): New.
4005         (new_poly_dr): Update declaration.
4006         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4007         (build_poly_dr): Call pdr_add_data_dimensions.
4008
4009 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4010
4011         * graphite-poly.h (struct poly_dr): Fix comment.
4012         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4013         (pdr_add_memory_accesses): New.
4014         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4015
4016 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4017
4018         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4019         (print_pbb): Add call to print_pdrs.
4020         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4021
4022 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4023             Li Feng <nemokingdom@gmail.com>
4024
4025         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4026         (dependency_between_pbbs_p): New.
4027         (lexicographically_gt_p): Assure !empty_p before polyhedron
4028         intersection assign.
4029         (build_lexicographically_gt_constraint): Correct lexicographically
4030         judging.
4031         * graphite-dependences.h: New.
4032         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4033
4034 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4035
4036         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4037         (gloog): Print to dump_file the generated clast.
4038         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4039         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4040
4041 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4042
4043         * graphite-poly.c (extend_scattering): Increment
4044         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4045
4046 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4047
4048         * graphite-interchange.c (compute_array_size_poly): Added exit of
4049         recursion condition.  Continue iterating even after the first equality.
4050         (compute_array_size): Same.
4051
4052 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4053
4054         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4055         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4056         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4057         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4058         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4059
4060 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4061
4062         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4063         only when the use verifies is_gimple_reg.
4064
4065 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4066
4067         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4068         Allocate scaldims after call to unify_scattering_dimensions.
4069
4070 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4071
4072         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4073
4074 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4075             Albert Cohen  <albert.cohen@inria.fr>
4076
4077         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4078         variables for the strip mining.
4079
4080 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4081             Pranav Garg  <pranav.garg2107@gmail.com>
4082
4083         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4084         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4085         (graphite-blocking.o): New rule.
4086         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4087         * graphite-blocking.c: New.
4088         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4089         flag_loop_strip_mine.
4090         (psct_scattering_dim_for_loop_depth): New.
4091         * graphite-poly.h (scop_do_strip_mine): Declared.
4092         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4093         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4094         flag_loop_strip_mine.
4095
4096 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4097
4098         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4099         a GMP value and a PPL coefficient at each iteration of a loop.
4100
4101 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4102
4103         * graphite-dependences.c (dependence_polyhedron): Do not use
4104         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4105         pbb_nb_scattering_transform.
4106         (graphite_legal_transform_dr): Same.
4107         * graphite-poly.c (extend_scattering): Same.
4108         (unify_scattering_dimensions): Same.
4109         (print_scattering_function): Same.
4110         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4111         PBB_NB_LOCAL_VARIABLES.
4112         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4113         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4114         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4115         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4116         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4117         (pbb_nb_scattering_transform): New.
4118         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4119         (psco_scattering_dim): Add assert on parameters.
4120         (psct_scattering_dim): Same.
4121         (psct_scattering_dim_for_loop_depth): Declared.
4122         (psct_local_var_dim): New.
4123         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4124         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4125         correct layout, call pbb_nb_local_vars.
4126         (psct_add_local_variable, psct_add_scattering_dimension): New.
4127         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4128         Initialize PBB_NB_SCATTERING_TRANSFORM.
4129
4130 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4133         (set_coef): Renamed ppl_set_coef.
4134         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4135
4136 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4137
4138         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4139         test a boolean against 1.
4140         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4141         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4142         (pbb_do_interchange): Returns true when a transform has been performed.
4143         (scop_do_interchange): Same.
4144         * graphite-poly.c (apply_poly_transforms): Use the return value of
4145         scop_do_interchange.
4146         * graphite-poly.h (scop_do_interchange): Update declaration.
4147
4148 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4149
4150         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4151         after last use.
4152         * sese.c (sese_reset_aux_in_loops): New.
4153         * sese.h (sese_reset_aux_in_loops): New.
4154
4155 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4156
4157         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4158         multiplier and multiply the constant by the multiplier.
4159         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4160         (build_poly_dr): Do not use the multiplier to define the subscript.
4161
4162 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4163
4164         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4165         compiler's data reference.  Initialize PDR_CDR.
4166         (print_pdr): Call dump_data_reference.
4167         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4168         Add compiler_dr field.
4169         (PDR_BB): Renamed PDR_PBB.
4170         (PDR_CDR): New.
4171         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4172         GCC's data reference representation.
4173         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4174         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4175
4176 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4177
4178         * graphite-poly.c (print_scattering_function): Also print the layout.
4179         * graphite-poly.h (pbb_nb_local_vars): New.
4180
4181 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4182
4183         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4184
4185 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4186
4187         * graphite-poly.c (print_pdr, debug_pdr): New.
4188         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4189         (PDR_BASE): Removed.
4190
4191 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4192
4193         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4194         ltrans-{1..6,8}.c.
4195
4196 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4197
4198         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4199         subscript identification column.
4200         (pbb_do_interchange): Print to dump_file that some loops "will be
4201         interchanged".  Rely on that chain of characters in the testcases.
4202         * gcc.dg/graphite/interchange-0.c: New.
4203         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4204         interchange-*.c files and compile them with -floop-interchange.
4205
4206 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4207
4208         * graphite-interchange.c (interchange_profitable_p): Renamed
4209         pbb_interchange_profitable_p.
4210
4211 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4212             Harsha Jagasia  <harsha.jagasia@amd.com>
4213             Pranav Garg  <pranav.garg2107@gmail.com>
4214
4215         * graphite-interchange.c (interchange_profitable_p): Make static.
4216         (pbb_interchange_loop_depths, pbb_do_interchange,
4217         scop_do_interchange): New.
4218         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4219         for flag_loop_interchange.
4220         * graphite-poly.h (scop_do_interchange): Declared.
4221         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4222         flag_loop_interchange is used.
4223
4224 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4225
4226         * graphite-dependences.c (dependence_polyhedron): Update use of
4227         pbb_nb_scattering_dims.
4228         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4229         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4230         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4231         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4232
4233 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         * graphite.c: Cleanup foo.
4236
4237 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4238
4239         * Merge from mainline (r143684:148293).
4240         * Disabled libpcp until it gets fixed.
4241
4242 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4243             Harsha Jagasia  <harsha.jagasia@amd.com>
4244
4245         * graphite-interchange.c: New.
4246         * Makefile.in (graphite-interchange.o): New.
4247         * graphite-poly.h (interchange_profitable_p): Declared.
4248         * graphite-ppl.h (value_max): New.
4249
4250 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4251
4252         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4253         * graphite-poly.h: Fix some comments.
4254         (pdr_dim): New.
4255         (pdr_scop): New.
4256
4257 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259         * graphite-poly.h
4260         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4261         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4262         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4263         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4264         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4265         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4266         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4267         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4268         * graphite-clast-to-gimple.c: Same.
4269         * graphite-dependences.c: Same.
4270         * graphite-poly.c: Same.
4271         * graphite-sese-to-poly.c: Same.
4272
4273 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4274
4275         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4276         expressions for an IV rename, as returned by clast_to_gcc_expression.
4277         (copy_renames): Rename new_name to expr.
4278         * sese.c (debug_rename_elt): Same.
4279         (get_rename): Same.
4280         (set_rename): Same.
4281         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4282         the information from the rename map.
4283         (rename_variables_in_stmt): Same.
4284         (add_loop_exit_phis): Rename new_name to expr.
4285         (insert_loop_close_phis): Same.
4286         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4287         * sese.h (struct rename_map_elt): Rename new_name to expr.
4288         (new_rename_map_elt): Same.
4289
4290 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4291
4292         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4293         * sese.c (set_rename): Make it extern.
4294         * sese.h (set_rename): Declared.
4295
4296 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4297
4298         * graphite-poly.c (extend_scattering): Free values.
4299         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4300         Free iterators.
4301         (ppl_print_powerset_matrix): Same.
4302         * graphite-scop-detection.c (free_scops_1): New.
4303         (limit_scops): Call free_scops_1.
4304         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4305         (build_poly_dr): Free PPL coefficients.
4306         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4307
4308 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4309
4310         * graphite-dependences.c: New.
4311         * graphite-data-ref.c: Removed.
4312         * graphite-data-ref.h: Removed.
4313         * Makefile.in (graphite-data-ref.o): Removed.
4314         (graphite-dependences.o): Added.
4315         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4316         * graphite-poly.c: Same.
4317         Move the data dependence testing to graphite-dependences.c.
4318
4319 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4320
4321         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4322         from graphite_cannot_represent_loop. Code refactored.
4323         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4324
4325 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4326
4327         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4328         Cover all the testcases (not only the filtered ones).
4329
4330 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4331
4332         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4333         unnecessary check. Update comments. Move check for REAL_TYPE here.
4334         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4335         done in (stmt_simple_for_scop_p).
4336
4337 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4338
4339         * graphite.c (print_global_statistics): New.
4340         (print_graphite_scop_statistic): New.
4341         (print_graphite_statistics): New.
4342         (graphite_initialize, graphite_transform_loops): Print statistics.
4343         * graphite-scop-detection (build_scops): Print statistics.
4344         (print_graphite_scop_statistics): New.
4345         (print_graphite_statistics): New.
4346
4347 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4348
4349         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4350         (debug_clast_name_index): Removed.
4351         (debug_clast_name_indexes_1): Removed.
4352         (debug_clast_name_indexes): Removed.
4353         (clast_name_index_elt_info): Removed.
4354         (eq_clast_name_indexes): Removed.
4355         (clast_name_to_index): Removed.
4356         (new_clast_name_index): Removed.
4357         (save_clast_name_index): Removed.
4358         (save_var_name): Moved...
4359         (init_sese_params_index): Removed.
4360         (clast_name_to_gcc): Remove use of name_tree.
4361         (initialize_cloog_names): Same.
4362         (gloog): Do not call init_sese_params_index.
4363         * graphite-sese-to-poly.c (save_var_name): ...here.
4364         (parameter_index_in_region): New.
4365         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4366         (parameter_index_in_region): Removed.
4367         (is_parameter): Remove use of name_tree.
4368         * sese.h (struct name_tree): Removed.
4369         (struct sese): Remove use of name_tree.  New field params_names.
4370         (SESE_PARAMS_NAMES): New.
4371         (SESE_PARAMS): Remove duplicate.
4372         (parameter_index_in_region): Removed.
4373         (sese_nb_params): Remove use of name_tree.
4374         (struct clast_name_index): New.
4375         (new_clast_name_index): New.
4376         (clast_name_to_index): New.
4377         (save_clast_name_index): New.
4378         (debug_clast_name_index): New.
4379         (debug_clast_name_indexes_1): New.
4380         (debug_clast_name_indexes): New.
4381         (clast_name_index_elt_info): New.
4382         (eq_clast_name_indexes): New.
4383
4384 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4385
4386         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4387         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4388         (graphite_loop_normal_form): Do not pass region.  Do not
4389         initialize SESE_OLDIVS.
4390         (build_graphite_loop_normal_form): Update call to
4391         graphite_loop_normal_form.
4392         * sese.c (debug_oldivs): Removed.
4393         (new_sese): Do not initialize SESE_OLDIVS.
4394         (free_sese): Do not free SESE_OLDIVS.
4395         (oldiv_for_loop): Removed.
4396         * sese.h (struct sese): Remove old_ivs.
4397         (SESE_OLDIVS): Removed.
4398         (oldiv_for_loop): Removed.
4399
4400 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4401
4402         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4403         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4404         replaced by a call to newivs_to_depth_to_newiv.
4405         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4406         (clast_to_gcc_expression_red): Same.
4407         (gcc_type_for_clast_expr): Same.
4408         (gcc_type_for_clast_eq): Same.
4409         (graphite_translate_clast_equation): Same.
4410         (graphite_create_guard_cond_expr): Same.
4411         (graphite_create_new_guard): Same.
4412         (graphite_create_new_loop): Same.
4413         (build_iv_mapping): Same.
4414         (translate_clast): Same.
4415         (gloog): Same.
4416         (loop_iv_stack_patch_for_consts): Removed.  *
4417         sese.c (iv_stack_entry_is_constant): Removed.
4418         (iv_stack_entry_is_iv): Removed.
4419         (loop_iv_stack_push_iv): Removed.
4420         (loop_iv_stack_insert_constant): Removed.
4421         (loop_iv_stack_pop): Removed.
4422         (loop_iv_stack_get_iv): Removed.
4423         (loop_iv_stack_get_iv_from_name): Removed.
4424         (debug_loop_iv_stack): Removed.
4425         (free_loop_iv_stack): Removed.
4426         (loop_iv_stack_remove_constants): Removed.  *
4427         sese.h (iv_stack_entry_kind): Removed.
4428         (iv_stack_entry_data_union): Removed.
4429         (iv_stack_entry_struct): Removed.
4430         (iv_stack_entry_p): Removed.
4431         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4432         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4433         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4434         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4435         (gbb_loop_at_index): Fix indenting.
4436         (gbb_loop_index): Removed.
4437
4438 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4439
4440         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4441         Call clast_name_to_index.
4442
4443 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4444
4445         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4446         do not pass params.  Get params from SESE_PARAMS.
4447         (clast_to_gcc_expression): Same.
4448         (clast_to_gcc_expression_red): Same.
4449         (gcc_type_for_clast_eq): Same.
4450         (graphite_translate_clast_equation): Same.
4451         (graphite_create_new_loop): Same.
4452         * sese.c (rename_variables_in_stmt): Fix comment.
4453
4454 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4455
4456         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4457         newivs_index.
4458         Call save_clast_name_index.
4459         (translate_clast): Pass newivs_index.
4460         (gloog): Create and free newivs_index.
4461
4462 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4463
4464         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4465         (clast_name_index_p): New type.
4466         (debug_clast_name_index): New.
4467         (debug_clast_name_indexes_1): New.
4468         (debug_clast_name_indexes): New.
4469         (clast_name_index_elt_info): New.
4470         (eq_clast_name_indexes): New.
4471         (clast_name_to_index): New.
4472         (new_clast_name_index): New.
4473         (save_clast_name_index): New.
4474         (init_sese_params_index): New.
4475         (gloog): Call init_sese_params_index.
4476         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4477         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4478         (free_sese): Free SESE_PARAMS_INDEX.
4479         * sese.h (struct sese): Add params_index.
4480         (SESE_PARAMS_INDEX): New.
4481
4482 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4483
4484         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4485         (graphite_create_new_loop): Pass the newivs vector.  Push the
4486         newly created IV to newivs.
4487         (translate_clast): Pass the newivs vector.
4488         (gloog): Create and destroy the newivs vector.
4489
4490 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4491
4492         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4493         (graphite_loop_normal_form): Initialize loop->aux with the unique
4494         IV that has been created.
4495
4496 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4497
4498         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4499         scev with parameters in the base part. They where forbidden
4500         exidently.
4501
4502 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4503
4504         * gcc.dg/graphite/graphite.exp: Set different default
4505         compile options by file names.
4506         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4507         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4508         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4509         * gcc.dg/graphite/scop-matmult.c: Ditto.
4510
4511 2009-05-08  Li Feng <nemokingdom@gmail.com>
4512
4513         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4514         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4515         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4516         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4517
4518 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4519
4520         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4521         by final cleanup.
4522
4523 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4524
4525         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4526         allow integer constant strides.
4527         (graphite_can_represent_expr): Depend on outermost_loop.
4528         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4529         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4530         build_scops_1): Same.
4531         (scopdet_basic_block_info): Same and insert layered SCoP
4532         detection.
4533         (try_generate_gimple_bb): Cleanup.
4534         (build_scops): Enable data references.
4535
4536         * gcc.dg/graphite/id-5.c: New.
4537         * gcc.dg/graphite/id-9.c: New.
4538         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4539         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4540
4541 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4542
4543         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4544         that we have not yet built for this SCoP.
4545
4546 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4547
4548         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4549         for complex numbers.
4550
4551 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4552
4553         * graphite-ppl.c: Fix build if cloog is not available.
4554
4555 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4556
4557         * tree-parloops.c (loop_parallel_p): Remove construction of
4558         NITER and REDUCTION_LIST.
4559         (try_get_loop_niter): New.
4560         (try_create_reduction_list): New.
4561         (parallelize_loops): Bypass the failed checkings in autopar
4562         when can_be_parallel in loop structure is set to true.
4563
4564 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4565
4566         * gcc.dg/graphite/id-6.c: Update testcase.
4567         * gcc.dg/graphite/scop-3.c: Dito.
4568
4569 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4570
4571         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4572         Enable EQ_EXPR and NE_EXPR again.
4573
4574 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4575
4576         * graphite-scop-detection.c (graphite_can_represent_scev):
4577         Add check if scev is affine multivariate.
4578         (harmful_stmt_in_bb): Check if we can represent the conditions.
4579         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4580         harmful_stmt_in_bb.
4581         * gcc.dg/graphite/id-7.c: New.
4582
4583 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4584
4585         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4586         Check all bbs in region, not only the bbs that are represented in
4587         GRAPHITE.
4588         (build_poly_scop): Add newline.
4589         * gcc.dg/graphite/id-8.c: New.
4590
4591 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4592
4593         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4594         when loop initialize.
4595         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4596         * common.opt: Declare flag_graphite_force_parallel.
4597         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4598         loop parallel.
4599         * graphite-poly.c (apply_poly_transforms): Introduce
4600         flag_graphite_force_parallel.
4601         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4602         * toplev.c (process_options): ditto and replace a not correctly
4603         encoded space.
4604
4605 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4606
4607         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4608         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4609         to the redefinition.
4610         (compute_cloog_iv_types_1): ditto.
4611         (build_iv_mapping): ditto.
4612         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4613         initialization.
4614         (free_gimple_bb): Removed GBB_LOOPS related free part.
4615         (build_bb_loops): Removed.
4616         * sese.h (struct gimple_bb): Removed loops.
4617         (GBB_LOOPS): Removed.
4618         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4619         (gbb_loop_index): ditto.
4620
4621 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4622
4623         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4624         allow non constant strides.
4625         * gcc.dg/graphite/scop-20.c: New.
4626
4627 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4628
4629         * graphite-scop-detection.c (dot_all_scops): Fix system call
4630         return value warning.
4631         (dot_scop): Same.
4632
4633 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4634
4635         * gcc.dg/graphite/id-6.c: Fix pattern.
4636         * gcc.dg/graphite/scop-3.c: Same.
4637
4638 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4639
4640         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4641         build_pairwise_constraint, dr_equality_constraints,
4642         build_pairwise_scheduling_equality,
4643         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4644         build_lexicographically_gt_constraint, dependence_polyhedron,
4645         graphite_legal_transform_dr, graphite_legal_transform_bb,
4646         graphite_legal_transform): New.
4647         * graphite-poly.h (graphite_legal_transform): Declared.
4648         * graphite-sese-to-poly.c (build_poly_scop): Call to
4649         graphite_legal_transform is disabled for the moment.
4650
4651 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4652
4653         * graphite-poly.h (pbb_nb_scattering_dims): New.
4654         (pbb_nb_scattering): Use it.
4655
4656 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4657
4658         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4659         Pointset_Powerset version of ppl_insert_dimensions.
4660         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4661
4662 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4663
4664         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4665
4666 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4667
4668         * graphite-poly.h: Fix comment.
4669
4670 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4671
4672         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4673
4674 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4675
4676         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4677         statements.
4678
4679 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4680
4681         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4682         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4683         conditions.
4684
4685 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4686
4687         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4688         handle EQ_EXPR and NE_EXPR.
4689
4690 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4691
4692         * graphite-poly.h (poly_dr): Fix comment.
4693
4694 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4695             Tobias Grosser  <grosser@fim.uni-passau.de>
4696
4697         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4698         with a zero dimension polyhedron.
4699         (find_scop_parameters): Move the call to scop_set_nb_params here.
4700         (build_loop_iteration_domains): Store in loop->aux the iteration
4701         domain polyhedron.
4702         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4703         by any loop in scop.
4704         (build_poly_scop): Do not call scop_set_nb_params.
4705
4706 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4707             Tobias Grosser  <grosser@fim.uni-passau.de>
4708
4709         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4710         add_condition_to_domain not GT_EXPR.
4711
4712 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4713
4714         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4715         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4716         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4717         upper_bound_assign to calculate unions.
4718         * gcc.dg/graphite/id-6.c: New.
4719
4720 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4721
4722         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4723         handle abnormal edges.
4724
4725 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4726
4727         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4728         (free_poly_bb): Also free poly_drs.
4729         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4730         (poly_dr): Polyhedron to Pointset_Powerset.
4731         (pdr_accessp_nb_subscripts): Same.
4732         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4733         poly_drs.
4734
4735 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4736
4737         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4738         names into more meaningful names.
4739
4740 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4741
4742         * gfortran.dg/graphite/interchange-1.c: New.
4743         * gfortran.dg/graphite/interchange-2.c: New.
4744
4745 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4748         the reduction_list.
4749         * tree-parloops.c (rewrite_phi_with_iv): New.
4750         (rewrite_all_phi_nodes_with_iv): New.
4751         (canonicalize_loop_ivs): Call them.
4752
4753 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4754
4755         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4756         graphite_find_data_references_in_stmt.
4757         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4758         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4759
4760 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4761
4762         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4763
4764 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4765
4766         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4767         instead of bb_in_region.
4768         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4769         (build_sese_conditions): Use flag_bb_in_sese.
4770         * sese.c (register_bb_in_sese): Removed.
4771         (new_sese): Remove initialization of SESE_REGION_BBS.
4772         (free_sese): Do not free SESE_REGION_BBS.
4773         * sese.h (struct sese): Remove field region_basic_blocks.
4774         (SESE_REGION_BBS): Removed.
4775         (bb_in_sese_p): Implement in function of bb_in_region.
4776
4777 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4778
4779         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4780         loops.
4781
4782 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4783
4784         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4785         and EQ_EXPR.
4786         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4787         (add_condition_to_domain): New.
4788         (add_condition_to_pbb): New.
4789         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4790         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4791
4792 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4793
4794         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4795         ppl_Pointset_Powerset.
4796         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4797         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4798         (pbb_nb_loops): Same.
4799         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4800         add_conditions_to_domain): Same.
4801         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4802         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4803         ppl_const_Polyhedron_t.
4804         (ppl_print_powerset_matrix): New.
4805         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4806         ppl_print_powerset_matrix): New.
4807         (ppl_print_polyhedron_matrix): Updated.
4808
4809 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4810
4811         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4812
4813 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4814
4815         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4816         (print_iteration_domains, debug_iteration_domain,
4817         debug_iteration_domains): New.
4818         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4819         debug_iteration_domains): Declared.
4820         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4821         indenting.
4822
4823 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4824             Sebastian Pop  <sebastian.pop@amd.com>
4825
4826         * graphite-poly.h (print_iteration_domain): New.
4827         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4828         (build_sese_conditions_1, build_sese_conditions_after,
4829         build_sese_conditions_before): New.
4830         (build_sese_conditions): Rewritten.
4831
4832 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4833             Tobias Grosser  <grosser@fim.uni-passau.de>
4834
4835         Cleanup of code generation liveouts.
4836         * graphite-clast-to-gimple.c (translate_clast): Use a single
4837         rename_map instead of one per translated statement.
4838         Do not use SESE_LIVEOUT_RENAMES.
4839         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4840         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4841         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4842         phi node of a reduction: when a loop contains a reduction used outside
4843         the loop, there should be a scalar close phi node on the exit block.
4844         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4845         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4846         (free_sese): Do not free them.
4847         (sese_build_liveouts_use): Do not use them.
4848         (sese_build_liveouts_bb): Same.
4849         (sese_build_liveouts): Same.
4850         (sese_insert_phis_for_liveouts): Same.
4851         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4852         (defined_in_loop_p): New.
4853         (alive_after_loop): New.
4854         (close_phi_not_yet_inserted_p): New.
4855         (struct alep, alep_p): New.
4856         (add_loop_exit_phis): Remove from the rename_map all the names defined
4857         in the code generated loop.
4858         (insert_loop_close_phis): Traverse the rename_map passed to it.
4859         Don't use SESE_LIVEOUT_RENAMES.
4860         (default_liveout_before_guard): Renamed default_before_guard.
4861         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4862         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4863         (register_sese_liveout_renames): Removed.
4864         (copy_bb_and_scalar_dependences): Do not call it.
4865         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4866         reduction_list.
4867         (SESE_LIVEOUT): Removed.
4868         (SESE_LIVEOUT_RENAMES): Removed.
4869         (SESE_REDUCTION_LIST): Removed.
4870         (sese_build_liveouts): Removed.
4871         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4872         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4873         (insert_guard_phis): Same.
4874         (rename_map_elt): Declare a VEC of them.
4875         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4876         trees not pointers to trees.
4877
4878         Rewrite in canonical close SSA form:
4879         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4880         (limit_scops): Close the scop after the block containing the close phi
4881         nodes.
4882         (canonicalize_loop_closed_ssa): New.
4883         (canonicalize_loop_closed_ssa_form): New.
4884         (build_scops): Call canonicalize_loop_closed_ssa_form.
4885
4886         * graphite-sese-to-poly.c: Fix typos.
4887
4888 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4889
4890         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4891         Extended.
4892         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4893         (print_pbb): Add conditions.
4894
4895 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4896             Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4899         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4900         (build_scop_bbs_1): New.
4901         (build_scop_bbs): Rewrite.
4902         * sese.h (bb_in_region): New.
4903
4904 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4905
4906         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4907         poly_drs vector.
4908         (print_scop): Style.
4909         * graphite-poly.h (poly_bb): Add drs vector.
4910         (PBB_DRS): Add accessor.
4911         * graphite-sese-to-poly.c (build_poly_dr): New.
4912         (build_pbb_drs, build_scop_drs): New.
4913         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4914
4915 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4916
4917         * tree-ssa-loop.c: Include forgotten toplev.h
4918
4919 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4920
4921         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4922         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4923         * gcc.dg/graphite/pr37928.c: Same
4924         * gcc.dg/graphite/pr38409.c: Same
4925         * gcc.dg/graphite/pr38498.c: Same
4926         * gcc.dg/graphite/pr38559.c: Same
4927         * gcc.dg/graphite/pr39335.c: Same
4928         * gcc.dg/graphite/pr39335_1.c: Same
4929         * gfortran.dg/graphite/block-2.f: Same
4930         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4931         with -floop-*.
4932
4933 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4934
4935         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4936         build_access_matrix, build_scop_data_accesses): Remove access function
4937         building. (We get a new version soon).
4938         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4939         * sese.h (nb_loops_around_loop_in_sese): Remove.
4940         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4941
4942 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4943             Sebastian Pop  <sebastian.pop@amd.com>
4944
4945         * graphite-scop-detection.c (struct scopdet_info): Rename last
4946         field to exit.
4947         (scopdet_basic_block_info, build_scops_1): Don't use
4948         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4949
4950 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4951             Sebastian Pop  <sebastian.pop@amd.com>
4952
4953         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4954         * sese.c (sese_build_liveouts_use): Renamed from
4955         sese_build_livein_liveouts_use. Remove liveins.
4956         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4957         Call sese_build_liveouts_use.
4958         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4959         Call sese_build_liveouts_bb.
4960         (new_sese, free_sese): Remove liveins.
4961         (sese_add_exit_phis_var): Deleted.
4962         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4963         directly.
4964         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4965
4966         * sese.h (sese): Remove num_ver and livein.
4967         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4968
4969 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4970
4971         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4972
4973 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4974
4975         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4976         (build_scop_scattering): Do not use compare_prefix_loops any more.
4977         (nb_common_loops): New.
4978
4979 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4980
4981         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4982         (register_old_and_new_names): Renamed set_rename.
4983
4984 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4985
4986         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4987         of the decl from the previous commit.
4988
4989 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4990
4991         * graphite-scop-detection.c (dot_scop): New.
4992         * graphite-scop-detection.h (dot_scop): Declared.
4993
4994 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4995
4996         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4997
4998 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4999
5000         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5001         condition at the end of the loop.
5002         * graphite.c (graphite_initialize, graphite_finalize): Print to
5003         dump_file the compiled function.
5004         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5005         of create_empty_loop_on_edge.
5006         (translate_clast): Update the code generation of loops for the new
5007         shape of loops.
5008         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5009
5010 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5011
5012         Reverted the patch from 2009-03-19.
5013
5014 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5015
5016         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5017         poly_drs vector.
5018         (print_scop): Style.
5019         * graphite-poly.h (poly_bb): Add drs vector.
5020         (PBB_DRS): Add accessor.
5021         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5022         (build_access_matrix_with_af, build_access_matrix,
5023         build_scop_data_accesses): Delete.
5024         (build_poly_dr): New.
5025         (build_pbb_drs, build_scop_drs): New.
5026         (build_poly_scop): call build_scop_drs.
5027
5028 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5031         once per basic block.
5032
5033 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5034
5035         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5036         (graphite_can_represent_expr): Renamed from loop_affine_expr
5037         and enhanced.
5038         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5039         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5040         (scopdet_basic_block_info): Actually define entry_block.
5041         (stmt_simple_memref_p): Moved here from ...
5042
5043         * tree-data-ref.c (stmt_simple_memref_p): here.
5044         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5045
5046 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5047
5048         * gcc.dg/graphite/id-4.c: New.
5049
5050 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5051
5052         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5053         (register_old_and_new_names): Update the content of the map.
5054         When there was already a rename_map_elt in the map at that
5055         location, free it.
5056         (copy_bb_and_scalar_dependences): Do rename_variables after
5057         expand_scalar_variables.
5058         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5059         of the map.  When there was already a rename_map_elt in the
5060         map at that location, free it.
5061         (translate_clast): Pass the rename_map.  Do not initialize and free
5062         a rename_map per stmt_user.
5063         (gloog): Initialize and free one rename_map and pass it to
5064         translate_clast.
5065
5066 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5067
5068         * sese.c (expand_scalar_variables_stmt,
5069         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5070         parameter.
5071         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5072         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5073         the gimple_stmt_iterator of the statement to be expanded.
5074         * graphite-scop-detection.c (is_simple_operand): Do handle
5075         REALPART_EXPR.
5076
5077 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5078
5079         * graphite-scop-detection.c (is_simple_operand): Do not handle
5080         REALPART_EXPR.
5081         * gcc.dg/graphite/id-2.c: New.
5082
5083         * graphite-sese-to-poly.c (build_bb_loops,
5084         add_value_to_dim, scan_tree_for_params_right_scev,
5085         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5086         find_params_in_bb, build_loop_iteration_domains,
5087         add_conditions_to_domain): Remove subtract.
5088
5089 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5090
5091         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5092         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5093         pbb_loop_at_index -> gbb_loop_at_index.
5094         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5095         (debug_loop_vec): Delete.
5096         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5097         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5098         (PBB_LOOPS): Removed.
5099         (PBB_BLACK_BOX): Insert cast.
5100         (pbb_set_black_box): New setter.
5101         (pbb_loop_at_index, pbb_loop_index): Removed.
5102         (scop_set_region, scop_set_nb_params): New.
5103         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5104         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5105         (build_poly_scop): Use scop_set_nb_params.
5106         * sese.h (gimple_bb): Add LOOPS.
5107         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5108
5109 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5110
5111         Revert previous commit.
5112
5113 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5114
5115         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5116         (register_old_and_new_names): Update the content of the map.
5117         When there was already a rename_map_elt in the map at that
5118         location, free it.
5119         (copy_bb_and_scalar_dependences): Do rename_variables after
5120         expand_scalar_variables.
5121         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5122         of the map.  When there was already a rename_map_elt in the
5123         map at that location, free it.
5124         (translate_clast): Pass the rename_map.  Do not initialize and free
5125         a rename_map per stmt_user.
5126         (gloog): Initialize and free one rename_map and pass it to
5127         translate_clast.
5128
5129 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5130
5131         Remove forgotten line in revert.
5132
5133 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5134
5135         Revert previous commit.
5136
5137 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5138
5139         * sese.c (register_old_and_new_names): Update the content
5140         of the map.  When there was already a rename_map_elt in the
5141         map at that location, free it.
5142         (copy_bb_and_scalar_dependences): Do rename_variables after
5143         expand_scalar_variables.
5144         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5145         of the map.  When there was already a rename_map_elt in the
5146         map at that location, free it.
5147         (translate_clast): Pass the rename_map.  Do not initialize and free
5148         a rename_map per stmt_user.
5149         (gloog): Initialize and free one rename_map and pass it to
5150         translate_clast.
5151
5152 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5153
5154         * graphite-clast-to-gimple.c (translate_clast): context_loop
5155         is never NULL.
5156
5157 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5158             Sebastian Pop  <sebastian.pop@amd.com>
5159
5160         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5161         of the use of ppl_Polyhedron_map_space_dimensions.
5162
5163 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5164             Sebastian Pop  <sebastian.pop@amd.com>
5165
5166         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5167         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5168         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5169         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5170         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5171         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5172         pbb_nb_params): New.
5173         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5174         nb_loops_around_pbb): Adapt return types.
5175
5176 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5177
5178         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5179         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5180         graphite-scop-detection.o, graphite-poly.o): Add
5181         more headers.
5182
5183 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5184
5185         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5186         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5187         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5188
5189 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5190
5191         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5192         * gcc.dg/graphite/pr37828.c: Same.
5193         * gcc.dg/graphite/pr37684.c: Same.
5194         * gcc.dg/graphite/block-0.c: Same.
5195         * gcc.dg/graphite/block-1.c: Same.
5196         * gcc.dg/graphite/block-2.c: Same.
5197         * gcc.dg/graphite/block-3.c: Same.
5198         * gcc.dg/graphite/block-4.c: Same.
5199         * gcc.dg/graphite/block-5.c: Same.
5200         * gcc.dg/graphite/block-6.c: Same.
5201         * gfortran.dg/graphite/pr38083.f90: Same.
5202         * gfortran.dg/graphite/block-1.f90: Same.
5203         * gfortran.dg/graphite/block-3.f90: Same.
5204         * gfortran.dg/graphite/pr37852.f90: Same.
5205         * gfortran.dg/graphite/block-4.f90: Same.
5206         * gfortran.dg/graphite/pr37980.f90: Same.
5207         * gfortran.dg/graphite/pr38953.f90: Same.
5208         * gfortran.dg/graphite/pr37857.f90: Same.
5209         * opts.c: Remove -floop-block from -O2.
5210         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5211         -floop-strip-mine are used.
5212
5213 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5214             Sebastian Pop  <sebastian.pop@amd.com>
5215
5216         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5217         dimensions.
5218         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5219         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5220         strip_mine_profitable_p, is_interchange_valid,
5221         graphite_trans_bb_block, graphite_trans_loop_block,
5222         graphite_trans_scop_block): Temporary removed.
5223         (extend_scattering, unify_scattering_dimensions): New.
5224         (print_scattering_function, graphite_read_transforms):
5225         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5226         (graphite_generate_scattering_fns): Removed.
5227         (apply_poly_transforms): Cleanup.
5228         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5229         (schedule_to_scattering): Moved.
5230         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5231         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5232         (pbb_nb_scattering): New.
5233         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5234         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5235         Removed.
5236         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5237         shift_poly.
5238         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5239         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5240         -> PBB_TRANSFORMED_SCATTERING.
5241         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5242         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5243         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5244         (check_poly_representation): Do not return bool.
5245         (graphite_transform_loops): Reformat.
5246         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5247
5248 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5249
5250         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5251         debug_pbb_domain, debug_pbb, debug_scop): New.
5252         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5253         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5254
5255 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5256
5257         PR middle-end/39335
5258         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5259         when the type precision of the induction variable should be
5260         larger than the type precision of nit.
5261         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5262         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5263         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5264
5265         * gcc.dg/graphite/pr39335_1.c: New.
5266         * gcc.dg/graphite/pr39335.c: New.
5267
5268 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5269
5270         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5271         SSA_NAMES not struct reduction_info.
5272
5273 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5274
5275         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5276
5277 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5278             Tobias Grosser  <grosser@fim.uni-passau.de>
5279
5280         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5281         (free_sese): Free SESE_REDUCTION_LIST.
5282         * sese.h (struct sese): Add field reduction_list.
5283         (SESE_REDUCTION_LIST): New.
5284         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5285         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5286
5287 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5288             Tobias Grosser  <grosser@fim.uni-passau.de>
5289
5290         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5291         of loop_p.
5292
5293 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5294             Tobias Grosser  <grosser@fim.uni-passau.de>
5295
5296         * tree-parloops.c (struct brli, build_reduction_list_info,
5297         analyze_reduction_list, gather_scalar_reductions): New.
5298         (loop_parallel_p): Build a reduction list containing only
5299         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5300         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5301         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5302         * tree-flow.h (gather_scalar_reductions): Declared.
5303
5304 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5305
5306         PR middle-end/39308
5307         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5308         number_of_iterations_exit from a gcc_assert.
5309
5310 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5311             Jan Sjodin  <jan.sjodin@amd.com>
5312
5313         * output.h (graphite_out_file, graphite_in_file): Declared.
5314         * toplev.c (graphite_out_file, graphite_in_file): New.
5315         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5316         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5317         Don't call schedule_to_scattering.
5318         * common.opt (fgraphite-write, fgraphite-read): New.
5319         * graphite-poly.c: Include output.h.
5320         (print_scattering_function, print_scattering_functions,
5321         debug_scattering_function, debug_scattering_functions,
5322         graphite_write_transforms, graphite_read_transforms,
5323         graphite_generate_scattering_fns): New.
5324         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5325         Call graphite_generate_scattering_fns, graphite_write_transforms,
5326         graphite_read_transforms.
5327         (new_poly_bb): Initialize PBB_SCATTERING.
5328         (free_poly_bb): Free PBB_SCATTERING.
5329         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5330         * graphite-poly.h (struct poly_bb): Add field scattering.
5331         (PBB_SCATTERING): New.
5332         (print_scattering_function, print_scattering_functions,
5333         debug_scattering_function, debug_scattering_functions): Declared.
5334         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5335         GMP values, not integers!
5336         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5337         ppl_read_polyhedron_matrix): New.
5338         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5339         debug_ppl_polyhedron_matrix,
5340         ppl_read_polyhedron_matrix): Declared.
5341         * Makefile.in (graphite-poly.o): Depends on output.h.
5342
5343 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5344             Tobias Grosser  <grosser@fim.uni-passau.de>
5345
5346         Revert this change:
5347         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5348         scalar evolutions in the scop_entry->loop_father.
5349
5350 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5351             Tobias Grosser  <grosser@fim.uni-passau.de>
5352
5353         * graphite.h (ref_nb_loops): Remove declaration.
5354         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5355         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5356         debug_gbb): Moved to sese.h.
5357         * sese.h: As said.
5358
5359 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5360             Tobias Grosser  <grosser@fim.uni-passau.de>
5361
5362         * graphite-data-ref.[ch]: Disable.
5363
5364 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5365             Tobias Grosser  <grosser@fim.uni-passau.de>
5366
5367         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5368         scalar evolutions in the scop_entry->loop_father.
5369
5370 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5371
5372         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5373         (graphite_cannot_represent_loop_niter): Renamed
5374         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5375         (limit_scops): build_sese_loop_nests does not return a bool.
5376         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5377         * sese.c (nb_reductions_in_loop): ... from here.
5378         (graphite_loop_normal_form): ... from here.
5379         (sese_record_loop): Does not fail, so does not return a bool.
5380         (build_sese_loop_nests): Same.
5381         * sese.h (build_sese_loop_nests): Update declaration.
5382         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5383         (build_graphite_loop_normal_form): New.
5384         (gloog): Call build_graphite_loop_normal_form.
5385         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5386         build_sese_loop_nests.
5387
5388         * gcc.dg/graphite/id-1.c: New.
5389
5390 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5391             Tobias Grosser  <grosser@fim.uni-passau.de>
5392
5393         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5394         The SCoP detection fix is sufficient.
5395
5396 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5397
5398         PR tree-optimization/39260
5399         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5400         the basic block contains a condition with a real type.
5401         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5402
5403         * gcc.dg/graphite/pr39260.c: New.
5404
5405 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5406
5407         * graphite-poly.c: Inlcude params.h.
5408         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5409         the size of a tile.
5410         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5411         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5412
5413 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5414             Tobias Grosser  <grosser@fim.uni-passau.de>
5415
5416         * graphite-scop-detection.c (dot_all_scops_1,
5417         dot_all_scops): Moved here.
5418         * graphite-scop-detection.h (dot_all_scops): Declared here.
5419         * graphite.c (graphite_initialize, graphite_finalize): New.
5420         (graphite_transform_loops): Cleaned up.
5421         * sese.c (debug_oldivs): Moved here.
5422         * graphite-poly.c (graphite_apply_transformations): Renamed
5423         apply_poly_transforms.
5424         (debug_loop_vec): Moved here.
5425         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5426         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5427         find_scop_parameters, build_scop_iteration_domain,
5428         add_conditions_to_constraints, build_scop_canonical_schedules,
5429         build_scop_data_accesses): Now static.
5430         (build_poly_scop, check_poly_representation): New.
5431
5432 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5433
5434         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5435         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5436         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5437         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5438         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5439         scan_tree_for_params, struct irp_data, dx_record_params,
5440         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5441         build_loop_iteration_domains, add_conditions_to_domain,
5442         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5443         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5444         build_sese_conditions, add_conditions_to_constraints,
5445         build_scop_iteration_domain, build_access_matrix_with_af,
5446         build_access_matrix,
5447         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5448
5449         * graphite-sese-to-poly.c: New.
5450         * graphite-sese-to-poly.h: New.
5451
5452         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5453
5454 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5455
5456         * graphite.c: Split graphite code generation to a new file.
5457         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5458         max_precision_type, clast_to_gcc_expression_red,
5459         clast_to_gcc_expression, gcc_type_for_clast_expr,
5460         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5461         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5462         graphite_create_new_guard, clast_get_body_of_loop,
5463         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5464         graphite_create_new_loop, build_iv_mapping, copy_renames,
5465         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5466         compute_cloog_iv_types, free_scattering, save_var_name,
5467         initialize_cloog_names, build_scop_context, build_cloog_prog,
5468         set_cloog_options, debug_clast_stmt, scop_to_clast,
5469         print_generated_program, debug_generated_program,
5470         gloog): Moved to graphite-clast-to-gimple.c.
5471
5472         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5473
5474         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5475         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5476         loop_iv_stack_pop, loop_iv_stack_get_iv,
5477         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5478         free_loop_iv_stack, loop_iv_stack_remove_constants,
5479         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5480         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5481         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5482         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5483         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5484         get_vdef_before_sese, sese_adjust_vphi,
5485         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5486         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5487         is_iv, expand_scalar_variables_ssa_name,
5488         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5489         expand_scalar_variables, rename_variables, remove_condition,
5490         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5491         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5492         default_liveout_before_guard, add_guard_exit_phis,
5493         insert_guard_phis, register_old_and_new_names,
5494         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5495         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5496         if_region_set_false_region, create_if_region_on_edge,
5497         move_sese_in_condition): Moved to sese.c.
5498
5499         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5500         if_region_exit, if_region_get_condition_block,
5501         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5502         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5503         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5504         ivtype_map_elt, new_ivtype_map_elt,
5505         recompute_all_dominators): Moved to sese.h.
5506
5507         * graphite-clast-to-gimple.c: New.
5508         * graphite-clast-to-gimple.h: New.
5509         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5510         * sese.c: Modified as said above.
5511         * sese.h: Same.
5512
5513 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5514
5515         * graphite.c: Split scop detection to a new file.
5516         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5517         move_sd_regions, loop_affine_expr, exclude_component_ref,
5518         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5519         graphite_cannot_represent_loop_niter, struct scopdet_info,
5520         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5521         find_single_entry_edge, find_single_exit_edge,
5522         create_single_entry_edge, sd_region_without_exit,
5523         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5524         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5525         Moved to graphite-scop-detection.c.
5526
5527         * graphite-scop-detection.c: New.
5528         * graphite-scop-detection.h: New.
5529         * Makefile.in: Add new rule for graphite-scop-detection.o.
5530
5531         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5532         tree-scalar-evolution.h.
5533         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5534         build_sese_loop_nests): Moved here from graphite.c.
5535         (param_index): Renamed parameter_index_in_region.
5536
5537 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5538             Sebastian Pop  <sebastian.pop@amd.com>
5539
5540         * gcc.dg/graphite/block-0.c: Expected to fail now.
5541         * gcc.dg/graphite/block-1.c: Same.
5542         * gcc.dg/graphite/block-5.c: Same.
5543         * gcc.dg/graphite/block-6.c: Same.
5544
5545 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5546             Sebastian Pop  <sebastian.pop@amd.com>
5547
5548         * graphite.h: Separate from graphite_bb_p the polyhedral
5549         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5550         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5551         graphite-data-ref.h.
5552         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5553         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5554         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5555         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5556         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5557         scop_nb_params): Moved to graphite-poly.h.
5558         * graphite-data-ref.c: Same.
5559         * graphite-data-ref.h: New.
5560         * graphite.c: Same.
5561         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5562         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5563         is_interchange_valid, graphite_trans_bb_block,
5564         graphite_trans_loop_block, scop_max_loop_depth,
5565         graphite_trans_scop_block, graphite_apply_transformations,
5566         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5567         graphite-poly.c.
5568         * graphite-poly.h: New.
5569         * graphite-poly.c: New.
5570         * Makefile.in (OBJS-common): Add graphite-poly.o.
5571         (graphite-poly.o): New rule.
5572         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5573         (DR_SCOP): Removed.
5574
5575 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5576             Tobias Grosser  <grosser@fim.uni-passau.de>
5577
5578         * graphite.c: Replace gb -> gbb.
5579         * graphite.h: Same.
5580         * graphite-data-ref.c: Same.
5581
5582 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5583             Tobias Grosser  <grosser@fim.uni-passau.de>
5584
5585         * Makefile.in (OBJS-commmon): Add sese.o.
5586         (sese.o): New.
5587         (graphite.o): Add sese.h.
5588         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5589         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5590         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5591         Move to sese.
5592         (block_before_scop): Add missing return.
5593         (new_scop, free_scop): Remove SESE data structures.
5594         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5595         find_scop_parameters, build_loop_iteration_domains,
5596         add_conditions_to_domain, register_scop_liveout_renames,
5597         copy_bb_and_scalar_dependences): Scop -> SESE.
5598
5599         (add_conditions_to_domain): SCoP -> SESE and remove check
5600         (scop_contains_non_iv_scalar_phi_nodes): New.
5601         (build_scop_conditions_1, build_scop_conditions): Remove check for
5602         non iv scalar phi nodes.
5603         (print_scop_statistics): New.
5604         (graphite_transform_loops): Cleanup.
5605
5606         * graphite.h: Move to sese & cleanup.
5607         * sese.c: New.
5608         * sese.h: New.
5609
5610 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5611             Tobias Grosser  <grosser@fim.uni-passau.de>
5612
5613         * graphite.c (build_scop_conditions_1): Conditions are only
5614         at the end of a basic block.
5615
5616 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5617             Tobias Grosser  <grosser@fim.uni-passau>
5618
5619         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5620         field.
5621         (GBB_ALPHA): Removed.
5622
5623 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5624             Tobias Grosser  <grosser@fim.uni-passau.de>
5625
5626         * graphite-data-ref.c (graphite_test_dependence): Don't use
5627         GBB_DYNAMIC_SCHEDULE.
5628         * graphite.c (new_graphite_bb): Same.
5629         (free_graphite_bb): Same.
5630         (build_scop_dynamic_schedules): Removed.
5631         (graphite_transform_loops): Don't call it.
5632         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5633         (GBB_DYNAMIC_SCHEDULE): Removed.
5634
5635 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5636             Tobias Grosser  <grosser@fim.uni-passau.de>
5637
5638         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5639         (print_graphite_bb): Same.
5640         (build_cloog_prog): Same.
5641
5642 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5643             Tobias Grosser  <grosser@fim.uni-passau.de>
5644
5645         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5646
5647 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5648             Tobias Grosser  <grosser@fim.uni-passau.de>
5649
5650         * graphite.c (build_scop_context): Don't use CloogMatrix.
5651         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5652         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5653
5654 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5655             Tobias Grosser  <grosser@fim.uni-passau.de>
5656
5657         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5658         liveout_renames, add_params fields...
5659         (struct sese): ... here.
5660         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5661         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5662
5663 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5664             Tobias Grosser  <grosser@fim.uni-passau.de>
5665
5666         * graphite.c (print_scop): Do not print the CLooG program.
5667         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5668         build_cloog_prog, gloog): Don't use SCOP_PROG.
5669         (find_transform): Renamed scop_to_clast.
5670         (print_generated_program, debug_generated_program): New.
5671         (graphite_transform_loops): Adapt to new interface.
5672         * graphite.h (struct scop): Remove program field.
5673         (SCOP_PROG): Removed.
5674         (print_generated_program, debug_generated_program): Declared.
5675
5676 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5677
5678         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5679         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5680         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5681         free_graphite_bb, build_scop_canonical_schedules,
5682         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5683         schedules are now represented using a ppl_Linear_Expression_t.
5684         * graphite.h (struct graphite_bb): Same.
5685         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5686         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5687
5688 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5689
5690         * graphite.c: Free local memory.
5691         * graphite-ppl.c: Same.
5692
5693 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5694
5695         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5696         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5697         swap_constraint_variables, scale_constraint_variable): Removed.
5698         (graphite_trans_bb_strip_mine): Remove pong.
5699         * graphite-ppl.c: Include missing header files.
5700         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5701         * graphite-ppl.h (ppl_strip_loop): Declared.
5702         * Makefile.in (graphite-ppl.o): Adjust dependences.
5703
5704 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5705
5706         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5707         (build_scop_iteration_domain): Same.
5708
5709 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5710
5711         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5712         ping pong.
5713         (add_value_to_dim, scan_tree_for_params_right_scev,
5714         scan_tree_for_params_int): New.
5715         * graphite-ppl.c (oppose_constraint): New.
5716         (insert_constraint_into_matrix): Implement missing cases.
5717         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5718
5719 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5720
5721         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5722         use ppl_move_dimension.
5723
5724 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5725
5726         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5727         * graphite.c: Same.
5728         * graphite.h: Same.
5729         * graphite-ppl.c: Same.
5730         * graphite-ppl.h: Same.
5731
5732 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         Revert last 3 commits.
5735
5736 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5737
5738         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5739         ping pong.
5740         (add_value_to_dim, scan_tree_for_params_right_scev,
5741         scan_tree_for_params_int): New.
5742         * graphite-ppl.c (oppose_constraint): New.
5743         (insert_constraint_into_matrix): Implement missing cases.
5744         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5745
5746 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5747
5748         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5749
5750 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5751             Tobias Grosser  <grosser@fim.uni-passau.de>
5752
5753         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5754         use ppl_move_dimension.
5755         * graphite-ppl.c (ppl_move_dimension): New.
5756         * graphite-ppl.h (ppl_move_dimension): Declared.
5757
5758 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5759
5760         * graphite.c: Do not include cloog/cloog.h.
5761         (print_graphite_bb): Remove ping pong, call PPL print function.
5762
5763 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5764
5765         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5766         (graphite.o): Add dependence on graphite-ppl.h.
5767         (graphite-ppl.o): New.
5768         (graphite-data-ref.c): Ping pong between PPL data structures
5769         and matrices.
5770         * graphite-ppl.c: New.
5771         * graphite-ppl.h: New.
5772         * graphite.c: Include graphite-ppl.h.
5773         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5774         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5775         Ping pong between PPL data structures and matrices.
5776         (new_graphite_bb): Create a PPL constraint system.
5777         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5778         (build_loop_iteration_domains): Use PPL functions.
5779         * graphite.h: Include graphite-ppl.h.  Fix comments.
5780         (graphite_bb): Use a ppl_Constraint_System_t instead of
5781         CloogMatrix for representing the domain.
5782         (scop): Remove static_schedule.
5783         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5784
5785 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5786
5787         * graphite.c: Fix some comments.
5788
5789 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5790
5791         PR middle-end/38953
5792         * graphite.c (if_region_set_false_region): After moving a region
5793         in the false branch of a condition, remove the empty dummy
5794         basic block.
5795         (gloog): Remove wrong fix for PR38953.
5796
5797 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5798
5799         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5800         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5801         register_bb_in_sese, new_sese, free_sese): Moved.
5802         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5803         outermost_loop_in_scop, build_scop_iteration_domain,
5804         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5805         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5806         Use loop_in_sese_p instead of loop_in_scop_p.
5807         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5808         (free_scop): Do not free SCOP_BBS_B.
5809         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5810         ref_nb_loops): Moved here...
5811         * graphite.h (ref_nb_loops): ... from here.
5812         (struct scop): Remove bbs_b bitmap.
5813         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5814         * gcc.dg/graphite/scop-19.c: New
5815
5816 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5817
5818         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5819         detection.
5820
5821 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5822
5823         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5824         eq_loop_to_cloog_loop): Remove.
5825         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5826         * graphite.h (struct scop): Remove loop2cloog_loop.
5827         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5828
5829 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5830
5831         * opts.c (decode_options): Only add graphite options to O2
5832         if we compile with graphite enabled.
5833
5834 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5835
5836         * Merge from mainline (r143163:143684).
5837
5838 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5839
5840         * graphite.c (debug_value): Removed.
5841         * graphite.h (debug_value): Removed.
5842
5843 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5844
5845         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5846         after graphite: pass_copy_prop does not maintain a proper loop closed
5847         SSA form.  pass_copy_prop should be fixed.
5848
5849 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5850
5851         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5852
5853 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5854
5855         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5856         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5857         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5858         changed the CFG.
5859
5860 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5861
5862         * graphite.c (gloog): Return true when code gen succeeded.
5863         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5864         the code of the function did not changed.  After cleanup_tree_cfg
5865         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5866         form.
5867
5868 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5869
5870         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5871         gimple_call_lhs is NULL.
5872
5873 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5874             Tobias Grosser  <tobi.grosser@amd.com>
5875
5876         * graphite.c (graphite_trans_scop_block): Do not block single
5877         nested loops.
5878
5879 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5880             Tobias Grosser  <tobi.grosser@amd.com>
5881
5882         * graphite.c (build_scop_canonical_schedules): Start schedules at
5883         zero.
5884
5885 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5886             Tobias Grosser  <tobi.grosser@amd.com>
5887
5888         * graphite.c (compare_prefix_loops): New.
5889         (build_scop_canonical_schedules): Rewritten.
5890         (graphite_transform_loops): Move build_scop_canonical_schedules
5891         after build_scop_iteration_domain.
5892
5893 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5894             Tobias Grosser  <tobi.grosser@amd.com>
5895
5896         * graphite.c (add_conditions_to_domain): Add the loops to
5897         the dimension of the iteration domain.  Do copy the domain
5898         only when it exists.
5899         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5900         (add_conditions_to_constraints): New.
5901         (can_generate_code_stmt, can_generate_code): Removed.
5902         (gloog): Do not call can_generate_code.
5903         (graphite_transform_loops): Call add_conditions_to_constraints
5904         after building the iteration domain.
5905
5906 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5907             Tobias Grosser  <tobi.grosser@amd.com>
5908             Jan Sjodin  <jan.sjodin@amd.com>
5909
5910         * graphite.c (scan_tree_for_params): On substractions negate
5911         all the coefficients of the term.
5912         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5913         of more than two operands.
5914         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5915         (get_vdef_before_scop): Handle also the case of default definitions.
5916
5917 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5918
5919         PR middle-end/38431
5920         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5921         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5922         (gloog): Do not call cleanup_tree_cfg.
5923         (graphite_transform_loops): Call cleanup_tree_cfg after all
5924         scops have been code generated.
5925
5926 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5927
5928         * passes.c (init_optimization_passes): Schedule after
5929         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5930
5931 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5932
5933         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5934         Fix comment.
5935         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5936         Set the type of an expression to the type of its assign statement.
5937         (expand_scalar_variables_expr):  Do not pass loop_p.
5938         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5939         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5940         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5941
5942 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5943
5944         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5945         an expression to the gimple_expr_type of its assign statement.
5946         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5947         or tcc_declaration.
5948
5949 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5950
5951         PR tree-optimization/38786
5952         * gcc.dg/graphite/pr38786.c: New.
5953         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5954         the SSA_NAME case of expand_scalar_variables_expr.
5955         (expand_scalar_variables_expr): Also gather the scalar computation
5956         used to index the memory access.
5957         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5958         the gimple_stmt_iterator where it inserts new code.
5959
5960 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5961
5962         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5963
5964 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5965
5966         * opts.c (decode_options): Enable flag_graphite_identity and
5967         flag_loop_block in -O2 and above.
5968
5969 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5970
5971         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5972         Fix merge problem: replace with the file from trunk.
5973
5974 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5975
5976         * Merge from mainline (r141727:143163).
5977
5978 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5979             Jan Sjodin  <jan.sjodin@amd.com>
5980
5981         PR tree-optimization/38559
5982         * gcc.dg/graphite/pr38559.c: New.
5983
5984         * graphite.c (debug_value, copy_constraint,
5985         swap_constraint_variables, scale_constraint_variable, ): New.
5986         (get_lower_bound, get_upper_bound): Removed.
5987         (graphite_trans_bb_strip_mine): Clean up this code that works
5988         only for constant number of iterations.  Fully copy upper and
5989         lower bound constraints, not only the constant part of them.
5990         * graphite.h (debug_value): Declared.
5991
5992 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5993
5994         PR tree-optimization/38492
5995         PR tree-optimization/38498
5996         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5997         * tree-chrec.h (scev_is_linear_expression): Declared.
5998         * graphite.c (graphite_cannot_represent_loop_niter): New.
5999         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6000         (graphite_loop_normal_form): Use gcc_assert.
6001         (scan_tree_for_params): Use CASE_CONVERT.
6002         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6003         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6004         Use gcc_assert.  Discard scops that contain unhandled cases.
6005         (build_scop_conditions): Return a boolean status for unhandled cases.
6006         (strip_mine_profitable_p): Print the loop number, not its depth.
6007         (is_interchange_valid): Pass the depth of the loop nest, don't
6008         recompute it wrongly.
6009         (graphite_trans_bb_block): Same.
6010         (graphite_trans_bb_block): Print tentative of loop blocking.
6011         (graphite_trans_scop_block): Do not print that the loop has been
6012         blocked.
6013         (graphite_transform_loops): Do not handle scops that contain condition
6014         scalar phi nodes.
6015
6016         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6017         in trunk.
6018         * gcc.dg/graphite/block-0.c: Update test.
6019         * gcc.dg/graphite/block-1.c: Same.
6020         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6021         blocking.
6022         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6023         * gcc.dg/graphite/block-3.c: New.
6024         * gcc.dg/graphite/pr38498.c: New.
6025
6026 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6027
6028         PR tree-optimization/38510
6029         * gcc.dg/graphite/pr38510.c: New.
6030         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6031           (translate_clast): Call recompute_all_dominators before
6032           graphite_verify.
6033           (gloog): Call recompute_all_dominators before graphite_verify.
6034
6035 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6036
6037         PR tree-optimization/38492
6038         * graphite.c (rename_map_elt, debug_rename_elt,
6039         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6040         rename_map_elt_info, eq_rename_map_elts,
6041         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6042         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6043         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6044         (sese_build_livein_liveouts): New.
6045         (new_sese, free_sese): New.
6046         (new_scop): Call new_sese.
6047         (free_scop): Call free_sese.
6048         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6049         (register_old_new_names): Renamed register_old_and_new_names.
6050         (register_scop_liveout_renames, add_loop_exit_phis,
6051         insert_loop_close_phis, struct igp,
6052         default_liveout_before_guard, add_guard_exit_phis,
6053         insert_guard_phis, copy_renames): New.
6054         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6055         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6056         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6057         (scop_adjust_phis_for_liveouts): New.
6058         (gloog): Call scop_adjust_phis_for_liveouts.
6059
6060         * graphite.h (struct sese): Documented.  Added fields liveout,
6061         num_ver and livein.
6062         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6063         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6064         (struct scop): Added field liveout_renames.
6065         (SCOP_LIVEOUT_RENAMES): New.
6066
6067 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6068
6069         PR tree-optimization/38409
6070         * gcc.dg/graphite/pr38409.c: New.
6071         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6072
6073 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6074
6075         * graphite.c (gcc_type_for_cloog_iv): By default return
6076         integer_type_node.
6077         (graphite_create_new_loop): Don't fold_convert the already
6078         fold_convert-ed expression.
6079
6080 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6081
6082         PR tree-optimization/38446
6083         * gcc.dg/graphite/pr38446.c: New.
6084         * graphite.c (register_bb_in_sese): New.
6085         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6086         looking at the bbs in the region.
6087         * graphite.h (sese): Add region_basic_blocks pointer set to
6088         structure and initialize at the time of defining new scop.
6089
6090 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6091
6092         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6093         (find_params_in_bb): Do not free data refs.
6094         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6095
6096 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6097
6098         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6099         * gcc.dg/graphite/scop-17.c: Same.
6100         * gcc.dg/graphite/block-5.c: New.
6101         * gcc.dg/graphite/block-6.c: New.
6102         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6103         * gcc.dg/graphite/pr37684.c: Same.
6104         * gcc.dg/graphite/block-2.c: Same.
6105
6106         * graphite.c (struct ivtype_map_elt): New.
6107         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6108         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6109         gcc_type_for_cloog_iv): New.
6110         (loop_iv_stack_patch_for_consts): Use the type of the induction
6111         variable from the original loop, except for the automatically
6112         generated loops, i.e., in the case of a strip-mined loop, in
6113         which case there is no original loop: in that case just use
6114         integer_type_node.
6115         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6116         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6117         (clast_name_to_gcc): Accept params to be NULL.
6118         (clast_to_gcc_expression): Take an extra parameter for the type.
6119         Convert to that type all the expressions built by this function.
6120         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6121         (graphite_translate_clast_equation): Compute the type of the
6122         clast_equation before translating its LHS and RHS.
6123         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6124         (graphite_create_new_loop): Compute the type of the induction
6125         variable before translating the lower and upper bounds and before
6126         creating the induction variable.
6127         (rename_variables_from_edge, rename_phis_end_scop): New.
6128         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6129         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6130         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6131         compute_cloog_iv_types): New.
6132         (gloog): Call compute_cloog_iv_types before starting the
6133         translation of the clast.
6134
6135         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6136         (GBB_CLOOG_IV_TYPES): New.
6137         (debug_ivtype_map): Declared.
6138         (oldiv_for_loop): New.
6139
6140 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6141
6142         PR middle-end/38459
6143         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6144         (param_index): Assert if parameter is not know after parameter
6145         detection.
6146         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6147         (find_scop_parameters): Mark, that we have finished parameter
6148         detection.
6149         (graphite_transform_loops): Move condition detection before parameter
6150         detection.
6151         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6152         * gfortran.dg/graphite/pr38459.f90: New.
6153
6154 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6155
6156         * graphite.c (graphite_transform_loops): Always call find_transform ()
6157         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6158         generate code.
6159
6160 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6161
6162         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6163         (print_scop): Ditto.
6164
6165 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6166
6167         PR middle-end/38084
6168         Fix gfortran.dg/graphite/id-3.f90.
6169         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6170         regions more than once.
6171
6172 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6173
6174         Fix gfortran.dg/graphite/id-4.f90.
6175         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6176         when not needed.
6177
6178 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6179
6180         Fix gfortran.dg/graphite/id-1.f90.
6181         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6182         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6183         (max_precision_type): New.
6184         (value_clast): Removed.
6185         (clast_to_gcc_expression): Be more careful to types of expressions.
6186         Use max_precision_type and update use of gmp_cst_to_tree.
6187         (graphite_translate_clast_equation): Use max_precision_type.
6188         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6189         use the type of the condition.
6190         (graphite_create_new_loop): Do not use integer_type_node, use the
6191         max_precision_type of lb and ub.
6192
6193 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6194
6195         * graphite.c (build_scops_1): Initialize open_scop.exit
6196         and sinfo.last.
6197
6198 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6199
6200         * gcc.dg/graphite/pr38084.c: New.
6201         * gfortran.dg/graphite/id-1.f90: New.
6202         * gfortran.dg/graphite/id-2.f90: New.
6203         * gfortran.dg/graphite/id-3.f90: New.
6204         * gfortran.dg/graphite/id-4.f90: New.
6205         * gfortran.dg/graphite/pr37857.f90: New.
6206
6207 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6208             Jan Sjodin  <jan.sjodin@amd.com>
6209             Harsha Jagasia  <harsha.jagasia@amd.com>
6210
6211         PR middle-end/37852
6212         PR middle-end/37883
6213         PR middle-end/37928
6214         PR middle-end/37980
6215         PR middle-end/38038
6216         PR middle-end/38039
6217         PR middle-end/38073
6218         PR middle-end/38083
6219         PR middle-end/38125
6220
6221         * gcc.dg/graphite/pr38073.c: New.
6222         * gcc.dg/graphite/pr37928.c: New.
6223         * gcc.dg/graphite/pr37883.c: New.
6224         * gcc.dg/graphite/pr38125.c: New.
6225         * gfortran.dg/graphite/pr38083.f90: New.
6226         * gfortran.dg/graphite/pr37852.f90: New.
6227         * gfortran.dg/graphite/pr37980.f90: New.
6228
6229         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6230         the number of detected scops.  Copy exact same test for loop
6231         blocking...
6232         * gcc.dg/graphite/block-1.c: Fix the number of expected
6233         loops to be blocked as reductions are not handled.
6234         * gcc.dg/graphite/block-4.c: ...here.  New.
6235
6236         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6237         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6238         ...here.
6239         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6240         * Makefile.in (graphite.o): Depend on value-prof.h.
6241         (graphite.o-warn): Removed -Wno-error.
6242         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6243         to be a NULL pointer.  Call update_stmt.  Return the newly created
6244         cannonical induction variable.
6245
6246         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6247
6248         * graphite.c: Reimplement the code generation from graphite to gimple.
6249         Include value-prof.h.
6250         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6251         (get_old_iv_from_ssa_name): Removed.
6252         (graphite_stmt_p): New.
6253         (new_graphite_bb): Test for useful statements before building a
6254         graphite statement for the basic block.
6255         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6256         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6257         reason.
6258         (recompute_all_dominators, graphite_verify,
6259         nb_reductions_in_loop, graphite_loop_normal_form): New.
6260         (scop_record_loop): Call graphite_loop_normal_form.
6261         (build_scop_loop_nests): Iterate over all the blocks of the
6262         function instead of relying on the incomplete information from
6263         SCOP_BBS.  Return the success of the operation.
6264         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6265         (add_bb_domains): Removed.
6266         (build_loop_iteration_domains): Don't call add_bb_domains.
6267         Add the iteration domain only to the basic blocks that have been
6268         translated to graphite.
6269         (build_scop_conditions_1): Add constraints only if the basic
6270         block have been translated to graphite.
6271         (build_scop_data_accesses): Completely disabled until data
6272         dependence is correctly implemented.
6273         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6274         (remove_all_edges_1, remove_all_edges): Removed.
6275         (get_new_name_from_old_name): New.
6276         (graphite_rename_variables_in_stmt): Renamed
6277         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6278         Use replace_exp and update_stmt.
6279         (is_old_iv): Renamed is_iv.
6280         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6281         Use replace_exp and update_stmt.
6282         (expand_scalar_variables_expr): Same.  Use the map to get the
6283         new names for the renaming of induction variables and for the
6284         renaming of variables after a basic block has been copied.
6285         (expand_scalar_variables): Same.
6286         (graphite_rename_variables): Renamed rename_variables.
6287         (move_phi_nodes): Removed.
6288         (get_false_edge_from_guard_bb): New.
6289         (build_iv_mapping): Do not insert the induction variable of a
6290         loop in the renaming iv map if the basic block does not belong
6291         to that loop.
6292         (register_old_new_names, graphite_copy_stmts_from_block,
6293         copy_bb_and_scalar_dependences): New.
6294         (translate_clast): Heavily reimplemented: copy basic blocks,
6295         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6296         At each translation step call graphite_verify ensuring the
6297         consistency of the SSA, loops and dominators information.
6298         (collect_virtual_phis, find_vdef_for_var_in_bb,
6299         find_vdef_for_var_1, find_vdef_for_var,
6300         patch_phis_for_virtual_defs): Removed huge hack.
6301         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6302         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6303         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6304         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6305         if_region_get_condition_block, if_region_set_false_region,
6306         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6307         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6308         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6309         rewrite_into_sese_closed_ssa): New.
6310         (gloog): Remove dead code.  Early return if code cannot be
6311         generated.  Call cleanup_tree_cfg once the scop has been code
6312         generated.
6313         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6314         block loops with less than two loops.
6315         (graphite_apply_transformations): Remove the call to
6316         scop_remove_ignoreable_gbbs.
6317         (limit_scops): When build_scop_loop_nests fails, continue on
6318         the next scop.  Fix open_scop.entry.
6319         (graphite_transform_loops): Call recompute_all_dominators: force the
6320         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6321         Call initialize_original_copy_tables and free_original_copy_tables
6322         to be able to copy basic blocks during code generation.
6323         When build_scop_loop_nests fails, continue on next scop.
6324         (value_clast): New union.
6325         (clast_to_gcc_expression): Fix type cast warning.
6326
6327 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6328
6329         * Merge from mainline (r140838:141727).
6330
6331 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6332
6333         PR middle-end/37833
6334
6335         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6336
6337 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6338
6339         PR middle-end/37943
6340
6341         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6342         exits and conditions.
6343         * gcc.dg/graphite/pr37943.c: New.
6344
6345 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6346
6347         PR middle-end/37886
6348         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6349
6350 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6351
6352         * doc/invoke.texi: Fix spaces.
6353
6354 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6355
6356         PR tree-optimization/37891
6357         Reverted last commit.
6358         * graphite.c (create_single_entry_edge): Set
6359         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6360
6361 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6362             Mitul Thakkar  <mitul.thakkar@amd.com>
6363
6364         * graphite.c (create_single_entry_edge): Set
6365         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6366
6367 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6368
6369         * doc/invoke.texi: Add -fgraphite-identity.
6370         * graphite.c (graphite_apply_transformations): Check for
6371         -fgraphite-identity.
6372         * toplev.c (process_options): Add flag_graphite_identity.
6373         * tree-ssa-loop.c: Add flag_graphite_identity.
6374
6375 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6376
6377         Undo changes from 2008-10-02:
6378         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6379         operand type when copying the operand to a variable of different type.
6380         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6381         with the IV name after increment.
6382
6383 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6384             Harsha Jagasia  <harsha.jagasia@amd.com>
6385
6386         PR tree-optimization/37828
6387         * gcc.dg/graphite/pr37828.c: New.
6388         * graphite.c (graphite_trans_loop_block): Do not loop block
6389         single nested loops.
6390
6391 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6392             Sebastian Pop  <sebastian.pop@amd.com>
6393
6394         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6395         rename_map_elt_info, eq_rename_map_elts): New.
6396         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6397         (expand_scalar_variables_expr): Change parameters.
6398         (expand_scalar_variables_stmt): Same.
6399         (expand_scalar_variables): Same.
6400         (graphite_rename_ivs): Rename graphite_rename_variables.
6401         (build_iv_mapping): New.
6402         (translate_clast): Call build_iv_mapping.
6403         * graphite.h (gbb_p): New name.
6404
6405 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6406
6407         PR tree-optimization/37684
6408         * gcc.dg/graphite/pr37684.c: New.
6409         * graphite.c (exclude_component_ref): New.
6410         (is_simple_operand): Call exclude_component_ref.
6411
6412 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6413             Harsha Jagasia  <harsha.jagasia@amd.com>
6414
6415         PR tree-optimization/37485
6416         * gcc.dg/graphite/block-2.c: New
6417         * graphite.c (gmp_cst_to_tree): Moved.
6418         (iv_stack_entry_is_constant): New.
6419         (iv_stack_entry_is_iv): New.
6420         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6421         (loop_iv_stack_insert_constant): New.
6422         (loop_iv_stack_pop): Use new datatpype.
6423         (loop_iv_stack_get_iv): Same.
6424         (loop_iv_stack_get_iv_from_name): Same.
6425         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6426         (loop_iv_stack_patch_for_consts): New.
6427         (loop_iv_stack_remove_constants): New.
6428         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6429         (translate_clast): Call loop_iv_stack_patch_for_consts and
6430         loop_iv_stack_remove_constants.
6431         (gloog): Use new datatype.  Redirect construction edge to end
6432         block to avoid accidental deletion.
6433         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6434         iv stack entry.
6435         (union iv_stack_entry_data): New.  Data in iv stack entry.
6436         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6437
6438 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6439
6440         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6441         operand type when copying the operand to a variable of different type.
6442
6443 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6444
6445         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6446         with the IV name after increment.
6447
6448 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6449
6450         * Merge from mainline (r140164:140838).
6451
6452 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6453
6454         * graphite-data-ref.c: New.
6455         * graphite.c (print_scop): Also dump the dependence graph.
6456         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6457         (new_scop): Initialize SCOP_DEP_GRAPH.
6458         (build_scop_dynamic_schedules): New.
6459         (build_access_matrix_with_af): Fixed column numbering.
6460         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6461         * graphite.h: Add ifndef/define guards against multiple inclusion.
6462         (struct scop): Add dep_graph field.
6463         (SCOP_DEP_GRAPH): Defined.
6464         (ref_nb_loops): Fixed and moved to other position.
6465         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6466         (nb_loops_around_loop_in_scop): New.
6467         (graphite_dump_dependence_graph): Declared.
6468         (graphite_build_rdg_all_levels): Declared.
6469         (graphite_test_dependence): Declared.
6470         * Makefile.in (graphite-data-ref.o): New target.
6471
6472 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6473
6474         * Merge from mainline (139870:140164).
6475
6476 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6477
6478         * Merge from mainline (138275:139870).
6479         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6480         the commits from trunk broke the niter detection.
6481
6482 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6483
6484         * graphite.c: Add more documentation.  Fix formatting.
6485         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6486         loop_iv_stack_debug): Moved...
6487         (schedule_to_scattering): Move before use.
6488         (dot_all_scops): Include in "#if 0" the code for system
6489         call dotty.
6490
6491         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6492         loop_iv_stack_debug): ...here.
6493
6494 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6495
6496         * tree-phinodes.c (make_phi_node): Extern.
6497         (add_phi_node_to_bb): New.
6498         (create_phi_node): Call add_phi_node_to_bb.
6499         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6500         (remove_statement): Handle case where stored phi was updated
6501         and is no longer the same.
6502         * graphite.c (is_parameter): New.
6503         (is_old_iv): New.
6504         (expand_scalar_variables_expr): New.
6505         (expand_scalar_variables_stmt): New.
6506         (expand_scalar_variables): New.
6507         (move_phi_nodes): Create new phi instead of moving old one.
6508         (translate_clast): Call expand_scalar_variables.
6509         (find_vdef_for_var_in_bb): Also scan regular definitions.
6510         (skip_phi_defs): New.
6511         (collect_scop_exit_phi_args): New.
6512         (patch_scop_exit_phi_args): New.
6513         (gloog): Patch phis after scop.
6514         * tree-flow.h: (add_phi_node_to_bb): Declared.
6515         (make_phi_node): Declared.
6516
6517 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6518
6519         * graphite.c (end_scop): Split the entry of the scop when it
6520         is the header of the loop in which the scop is ending.
6521         (build_scops_1, limit_scops): Update uses of end_scop.
6522
6523 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6524
6525         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6526         SCOP_ENTRY or SCOP_EXIT.
6527
6528 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6529
6530         * graphite.c (get_construction_edge): Removed.
6531         (gloog): Construction edge is the scop entry edge.
6532
6533 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6534
6535         * graphite.c (can_generate_for_scop): Removed.
6536         (gloog): Do not call it.
6537
6538 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6539
6540         * graphite.c (new_scop): Entry of a scop is an edge.
6541         Initialize SESE region.
6542         (free_scop): Free SESE region.
6543         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6544         (split_difficult_bb): New, split from end_scop.
6545         (end_scop): Exit of a scop is an edge.
6546         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6547         not automatically updated and thus is always wrong.
6548         * graphite.h (struct sese): New.
6549         (SESE_ENTRY): New.
6550         (SESE_EXIT): New.
6551         (struct scop): New field for a SESE region.  Remove entry, exit.
6552         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6553         semantics as before.  Moved comment around.
6554
6555 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6556             Sebastian Pop  <sebastian.pop@amd.com>
6557
6558         * graphite.c (graphite_transform_loops): Always enable gloog
6559         and find_transform when ENABLE_CHECKING.
6560
6561 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6562
6563         * graphite.c (graphite_transform_loops): Move pretty printer
6564         of SCOPs before doing any transform.  Remove call to print_scops
6565         and dot_all_scops_1.
6566
6567 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6568
6569         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6570         (print_graphite_bb): Same.
6571
6572 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6573
6574         * graphite.c (dot_all_scops_1): Cleanup.
6575         (move_scops): Fix comment.
6576
6577 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6578
6579         * graphite.c (build_scop_bbs): Revert commit 139355:
6580
6581         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6582                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6583
6584                 * graphite.c (build_scop_bbs): Factor up code.
6585
6586 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6587
6588         * graphite.c (gloog): Update dominator info.
6589
6590 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6591
6592         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6593
6594 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6595
6596         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6597         initialization.
6598         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6599         (translate_clast): Correct formatting.
6600         * graphite.h (struct num_map): Removed.
6601         (struct graphite_bb): Remove num_map field.
6602         (GBB_INDEX_TO_NUM_MAP): Removed.
6603
6604 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6605
6606         * graphite.c (build_access_matrix_with_af): Fix comments.
6607         (build_scop_data_accesses): Same.
6608
6609 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6610
6611         * graphite.c (build_scop_data_accesses): Don't construct
6612         access matrices.  Add a FIXME and an assert condition that
6613         should pass when the access matrices will be needed.
6614
6615 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6616
6617         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6618         really_constant_p.
6619         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6620         Moved close by free_graphite_bb.
6621         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6622         (new_scop): Move close by free_scop.
6623         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6624
6625 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6626
6627         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6628         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6629         instead of recursive call.
6630         (graphite_translate_clast_equation): New.
6631         (graphite_create_guard_cond_expr): New.
6632         (graphite_create_new_guard): New.
6633         (get_stack_index_from_iv): Removed.
6634         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6635         (get_true_edge_from_guard_bb): New.
6636         (translate_clast): Handle stmt_guard in clast.
6637         (get_construction_edge): Allow construction edge detection for
6638         a scope entry with multiple predecessors if one predecessor is
6639         the immediate dominator of scope entry.
6640         (can_generate_code_stmt): Enable code generation for clast_guard.
6641         (gloog): Use correct context loop.  Removed check for post dominators.
6642         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6643
6644 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6645
6646         * graphite.c (remove_dead_loops): Document better which
6647         loops are removed.
6648
6649 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6650
6651         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6652         and PPLINC.
6653         (graphite.o): Also depends on pointer-set.h.
6654
6655 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6656
6657         * graphite.c (scop_record_loop): Fix compile warning.
6658
6659 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6660             Sebastian Pop  <sebastian.pop@amd.com>
6661
6662         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6663
6664 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6665
6666         * graphite.c (build_graphite_bb): Initialize bb->aux to
6667         point to the graphite_bb_p.
6668         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6669         content of bb->aux.
6670         (add_bb_domains): Does not use the scop parameter.
6671         (graphite_transform_loops): Clean bb->aux at the end.
6672
6673 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6674             Sebastian Pop  <sebastian.pop@amd.com>
6675
6676         * lib/target-supports.exp
6677         (check_effective_target_fgraphite): New.
6678
6679         * gcc.dg/graphite/graphite.exp: Early exit when
6680         check_effective_target_fgraphite returns false.
6681         Set dg-do-what-default to compile.
6682         (scan-graphite-dump-times): Removed.
6683         * gfortran.dg/graphite/graphite.exp: Same.
6684
6685         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6686         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6687         * gcc.dg/graphite/scop-1.c: Same.
6688         * gcc.dg/graphite/scop-2.c: Same.
6689         * gcc.dg/graphite/scop-3.c: Same.
6690         * gcc.dg/graphite/scop-4.c: Same.
6691         * gcc.dg/graphite/scop-5.c: Same.
6692         * gcc.dg/graphite/scop-6.c: Same.
6693         * gcc.dg/graphite/scop-7.c: Same.
6694         * gcc.dg/graphite/scop-8.c: Same.
6695         * gcc.dg/graphite/scop-9.c: Same.
6696         * gcc.dg/graphite/scop-10.c: Same.
6697         * gcc.dg/graphite/scop-11.c: Same.
6698         * gcc.dg/graphite/scop-12.c: Same.
6699         * gcc.dg/graphite/scop-13.c: Same.
6700         * gcc.dg/graphite/scop-matmult.c: Same.
6701         * gcc.dg/graphite/scop-14.c: Same.
6702         * gcc.dg/graphite/scop-15.c: Same.
6703         * gcc.dg/graphite/block-0.c: Same.
6704         * gcc.dg/graphite/scop-16.c: Same.
6705         * gcc.dg/graphite/block-1.c: Same.
6706         * gcc.dg/graphite/scop-17.c: Same.
6707         * gcc.dg/graphite/scop-18.c: Same.
6708         * gfortran.dg/graphite/block-1.f90: Same.
6709         * gfortran.dg/graphite/scop-1.f: Same.
6710         * gfortran.dg/graphite/block-2.f: Same.
6711
6712 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6713
6714         * graphite.c: Fix some XXX comments.
6715         (build_scop_dynamic_schedules): Removed.
6716
6717 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6718
6719         * graphite.h (scop_max_loop_depth): Moved...
6720         * graphite.c (scop_max_loop_depth): ...here.
6721         (remove_all_edges_1): New.
6722         (remove_all_edges): Factored code.
6723         (remove_cond_exprs): Check only the last statement for
6724         a GIMPLE_COND expression.
6725
6726 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6727
6728         * graphite.c (scan_tree_for_params): Early return when the
6729         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6730         (find_scop_parameters): Factor out code.
6731         (graphite_trans_bb_strip_mine): Remove dead code.
6732
6733 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6734
6735         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6736         graphite_trans_bb_move_loop): Factor asserts.
6737         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6738         Do not call calculate_dominance_info and estimate_bb_frequencies.
6739
6740 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6741
6742         * graphite.c (create_loops_mapping, free_loops_mapping,
6743         create_loops_mapping_num, debug_loop_mapping_1,
6744         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6745         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6746         graphite_loops_mapping_add_child_num,
6747         graphite_loops_mapping_insert_child,
6748         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6749         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6750         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6751         create_num_from_index, get_num_from_index,
6752         swap_loop_mapped_depth): Removed.
6753         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6754         (free_scop): Do not call free_loops_mapping.
6755         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6756         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6757         get_loop_mapped_depth.
6758         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6759         (graphite_trans_bb_strip_mine): Same.
6760         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6761         (struct scop): Remove field loops_mapping.
6762
6763 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6764             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6765
6766         * graphite.c (scop_record_loop): Factor out one level of the
6767         condition by early return.
6768         (build_scop_loop_nests): Format following FSF coding style.
6769         (build_scop_dynamic_schedules): Factor out code.
6770         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6771
6772 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6773             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6774
6775         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6776         assignments that are not handled as simple operands for now.
6777
6778 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6779             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6780
6781         * graphite.c (build_scop_bbs): Factor up code.
6782
6783 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6784             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6785
6786         * graphite.c (stmt_simple_for_scop_p): Factor code out
6787         of the loop.
6788         (enum gbb_type): New.  Group all the GBB_* types under it.
6789         (is_loop_exit): Moved...
6790         (end_scop): Enable BB spliting.
6791         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6792         * cfgloop.h (is_loop_exit): Declared.
6793
6794 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6795
6796         * doc/invoke.texi: Remove strides from examples containing
6797         DO loops when the strides are equal to 1.
6798
6799 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6800             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6801
6802         * graphite.c (graphite_trans_scop_block): Or the result with
6803         the result from graphite_trans_loop_block.
6804         * gcc.dg/graphite/block-1.c: New.
6805         * gfortran.dg/graphite/block-1.f90: New.
6806         * gfortran.dg/graphite/block-2.f: New.
6807
6808 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6809
6810         * graphite.c (graphite_transform_loops): Call cloog_initialize
6811         and cloog_finalize.
6812
6813 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6814
6815         * tree-data-ref.c) (stmt_simple_memref_p): New.
6816         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6817         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6818         (is_simple_operand): Call stmt_simple_memref_p.
6819
6820         * gcc.dg/graphite/scop-matmult.c: Updated for not
6821         using pointer arithmetic, as this is optimized by PRE and
6822         makes the code too difficult to analyze.
6823
6824         * gcc.dg/graphite/scop-18.c: Same.
6825
6826 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6827
6828         * gdbinit.in (pgg): New.
6829
6830 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6831
6832         * graphite.c (graphite_trans_loop_block): Fix warning.
6833
6834 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6835
6836         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6837
6838 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6839
6840         * graphite.c (graphite_trans_bb_block): Remove check for
6841         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6842         Check if loop blocking is profitable for every loop, before applying
6843         the changes.
6844         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6845         if flag_loop_block is set.
6846
6847 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6848
6849         * graphite.c: Add some more documentation for the loop
6850         mapping.
6851
6852 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6853
6854         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6855         * graphite.c: Format on less than 80 columns.
6856         * graphite.h: Same.
6857
6858 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6859
6860         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6861
6862 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6863
6864         * doc/invoke.texi (floop-block, floop-strip-mine,
6865         floop-interchange): Update documentation with examples.
6866
6867 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6868
6869         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6870         add_referenced_var.
6871         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6872
6873 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6874
6875         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6876         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6877         * tree-scalar-evolution.c: Revert useless changes.
6878         * tree-phinodes.c: Same.
6879         * cfghooks.c: Same.
6880         * vec.h: Same.
6881         * tree-vectorizer.h: Same.
6882         * tree-flow.h: Same.
6883         * tree-cfg.c: Same.
6884         * common.opt (fgraphite): Update documentation.
6885
6886 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6887
6888         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6889         -floop-interchange): Add more text for explaining what each of these
6890         flags is doing.
6891         * tree-into-ssa.c (gimple_vec): Moved to...
6892         * graphite.c: Include gimple.h.
6893         (gimple_vec): Moved to...
6894         (del_loop_to_cloog_loop): Removed.
6895         (loop_affine_expr): Do not call create_data_ref when the
6896         operand is a constant.
6897         (new_scop): Use free instead of del_loop_to_cloog_loop.
6898         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6899         * gimple.h (gimple_vec): ... here.
6900
6901 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6902
6903         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6904         latch executions.
6905         (build_loop_iteration_domains): Fail, if latch executions unknown.
6906
6907 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6908
6909         * graphite.c (add_conditions_to_domain): New.
6910         (build_scop_conditions_1): Call add_conditions_to_domain.
6911         (set_cloog_options): Allow to disable optimizations.
6912
6913 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6914
6915         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6916         Do not use walk_dominator_tree.
6917         (find_scop_parameters): Do not use walk_dominator_tree.
6918
6919 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6920
6921         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6922         (idx_record_params): Adapt.
6923         * graphite.h (scop_gimple_loop_depth): New.
6924
6925 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6926
6927         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6928         (scan_tree_for_params): Remove value_init.
6929         (build_scop_context): Remove value_init.
6930         (build_loop_iteration_domains): Remove value_init.
6931         (schedule_to_scattering): Remove value_init.
6932         (graphite_trans_bb_strip_mine): Remove value_init.
6933
6934 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6935
6936         * gcc/graphite.c (limit_scops): New.
6937         (graphite_transform_loops): Add limit SCoPs.
6938         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6939         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6940         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6941         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6942         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6943         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6944         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6945         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6946         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6947         Change loop numbers.
6948         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6949         Change loop numbers.
6950         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6951         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6952         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6953         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6954         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6955         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6956         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6957         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6958         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6959         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6960
6961 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6962
6963         * graphite.c (graphite_transform_loops): Call always find_transform.
6964
6965 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6966
6967         * graphite.c (free_loops_mapping): New.
6968         (stmt_simple_for_scop_p): Fix typo.
6969         (stmt_simple_for_scop_p): Fix tuples functions, that
6970         broke polyhedron.
6971         (free_graphite_bb): Fix some memleaks.
6972         (free_scop): Fix some memleaks.
6973         (scopdet_bb_info): Do not forget some tmp SCoPs.
6974         (find_params_in_bb): Fix some memleaks.
6975         (clast_to_gcc_expression): Fix warning.
6976
6977 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6978
6979         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6980         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6981
6982 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6983
6984         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6985         Move code ifdef-ed HAVE_cloog...
6986         * graphite.c: Include toplev.h.
6987         ... here.
6988         * Makefile.in (OBJS-common): Always build graphite.o.
6989         (BACKEND): Remove @GRAPHITE@.
6990         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6991         (graphite.o): Depend on TOPLEV_H.
6992
6993 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6994
6995         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6996         Remove typo left from polylib to ppl conversion.
6997         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6998
6999 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7000
7001         * toplev.c (process_options): Move the graphite loop optimization
7002         flags...
7003         * tree-ssa-loop.c (graphite_transforms): ... here.
7004         When not configured with CLooG, print to dump_file that
7005         Graphite transforms were not performed.
7006         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7007         New.
7008         * gcc.dg/graphite/*.c: Updated all testcases to use
7009         scan-graphite-dump-times.
7010
7011 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7012
7013         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7014         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7015
7016 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7017             Jan Sjodin  <jan.sjodin@amd.com>
7018
7019         * configure: Regenerated.
7020         * omp-low.c (expand_omp_sections): Remove now unused code.
7021         * config.in (HAVE_polylib): Removed.
7022         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7023         (PPLLIBS, PPLINC): Added.
7024         * graphite.c: Replace unsigned with int wherever possible.
7025         Don't access Cloog's data structures, but use accessor functions.
7026         Clast's stmt->type is now implemented as a vtable: change the
7027         switches of stmt->type into ifs.
7028         (polylib/polylibgmp.h): Don't include.
7029         (initialize_dependence_polyhedron,
7030         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7031         statement_precedes_p, test_dependence, build_rdg_all_levels,
7032         dump_dependence_graph): Removed until this code is cleaned up
7033         or ported to Cloog.
7034         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7035         (POLYLIBINC): Renamed PPLINC.
7036
7037 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7038             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7039             Jan Sjodin  <jan.sjodin@amd.com>
7040
7041         Finish the merge and tuplification of graphite.
7042
7043 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7044             Jan Sjodin  <jan.sjodin@amd.com>
7045
7046         Partial merge from mainline (138072:138275).
7047         * graphite.c still has to be tuplified.
7048
7049 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7050
7051         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7052         (create_num_from_index): New.
7053         (get_num_from_index): Also pass in the graphite BB.
7054         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7055         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7056         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7057         (is_interchange_valid): Return false when failing.
7058         * graphite.h (struct num_map): New.
7059         (struct graphite_bb): New field num_map.
7060         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7061
7062 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7063
7064         * graphite.c (dump_gbb_conditions): Print also conditions like
7065         "if (a)".  Remove dublicated code and use print_generic_expr ().
7066         (stmt_simple_for_scop_p): Only allow conditions we can handle
7067         {<, <=, >, >=}.
7068
7069 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7070
7071         * graphite.h (struct scop): Removed new_ivs field.
7072         (SCOP_NEWIVS): Deleted.
7073         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7074         clast_to_gcc_expression, graphite_create_new_loop):
7075         Removed use of new_ivs.
7076
7077 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7078
7079         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7080         create_loops_mapping_num, debug_loop_mapping_1): New.
7081         (debug_loop_mapping): Call debug_loop_mapping_1.
7082         (get_loop_mapping_for_num,
7083         graphite_loops_mapping_add_child,
7084         graphite_loops_mapping_add_child_num,
7085         graphite_loops_mapping_insert_child,
7086         graphite_loops_mapping_parent,
7087         split_loop_mapped_depth_for_num,
7088         loop_mapped_depth_split_loop): New.
7089         (increment_loop_mapped_depths): Removed.
7090         (swap_loop_mapped_depth_for_num): Reimplemented.
7091         (new_scop): Call create_loops_mapping.
7092         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7093         (translate_clast): Pass the old loop father in parameter, and pass
7094         it to get_old_iv_from_ssa_name.
7095         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7096         can_generate_code, can_generate_for_scop): New.
7097         (graphite_trans_bb_block): Returns false when it fails to transform.
7098         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7099
7100 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7101
7102         Reverted all the changes related to the streamization and
7103         loop fusion.
7104         These changes are now tracked in the streamization branch.
7105
7106 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7107             Jan Sjodin  <jan.sjodin@amd.com>
7108
7109         * graphite.c (gbb_compare): Correctly constify.
7110         (gbb_can_be_ignored): Indent.
7111         (graphite_trans_scop_swap_1and2): Add legality check.
7112         Remove dead FIXMEs.
7113
7114 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7115
7116         Remove fallouts from "Reverted the Condate changes".
7117         * tree.h: Remove unused decl.
7118         * gcc.dg/tree-checker: Same.
7119         * timevar.def: Remove counter.
7120
7121 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7122
7123         * Merge from mainline (135673:138072).
7124
7125         Reverted the MIRO changes (from 2008-04-05) that are now
7126         tracked in the miro branch.
7127         * tree-bounds.c: Removed.
7128         * tree-bounds.h: Removed.
7129
7130         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7131         are now tracked in the condate branch.
7132         * tree-check.c: Removed.
7133         * tree-match.c: Removed.
7134         * condate.y: Removed.
7135
7136 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7137
7138         * common.opt: New user flag -floop-block, -floop-strip-mine
7139         and -floop-interchange.
7140         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7141         graphite loop optimization flags is turned on.
7142         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7143         flag_loop_strip_mine and flag_loop_interchange checks before
7144         optimizations.
7145         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7146         -floop-strip-mine and -floop-interchange.
7147         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7148         -fgraphite.
7149         * gcc.dg/graphite/scop-16.c: Ditto.
7150         * gcc.dg/graphite/scop-17.c: Ditto.
7151         * gcc.dg/graphite/scop-18.c: Ditto.
7152
7153 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7154             Sebastian Pop  <sebastian.pop@amd.com>
7155
7156         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7157         (create_empty_loop_on_edge): More fixes.
7158         * tree-phinodes.c (resize_phi_node): Extern.
7159         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7160         * cfghooks.c (update_dominator_information): New split from
7161         split_edge.
7162         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7163         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7164         successor of the function entry block.
7165
7166         * graphite.c: Include pointer-set.h.
7167         (debug_loop_mapping, increment_loop_mapped_depths,
7168         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7169         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7170         swap_loop_mapped_depth_for_num, get_num_from_index,
7171         swap_loop_mapped_depth, loop_iv_stack_debug,
7172         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7173         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7174         get_old_iv_from_ssa_name): New.
7175         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7176         (free_scop): Free SCOP_LOOPS_MAPPING.
7177         (scop_record_loop): Record old ivs.
7178         (create_var_name): Removed.
7179         (initialize_cloog_names): Allocate double space in case strip mine
7180         applies to all loops once.
7181         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7182         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7183         translation.
7184         (graphite_create_new_loop): Pass in ivstack.
7185         (remove_all_edges): Pass in the construction_edge.
7186         (graphite_remove_iv): Removed.
7187         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7188         remove_cond_exprs): Rewritten.
7189         (move_phi_nodes): New.
7190         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7191         (translate_clast): Pass in ivstack.  Rewrite some cases.
7192         (set_cloog_options, debug_clast_stmt): New.
7193         (find_transform): Use set_cloog_options.
7194         (outermost_loop_layer): Removed.
7195         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7196         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7197         mark_old_loops, remove_dead_loops): New.
7198         (gloog): Rewritten.
7199         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7200         (const_column_index, get_first_matching_sign_row_index,
7201         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7202         get_upper_bound): New.
7203         (graphite_trans_bb_strip_mine): Also update the iv map.
7204
7205         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7206         (struct name_tree): Add a loop field.
7207         (struct scop): Add a graphite_loops_mapping field.
7208         (SCOP_LOOPS_MAPPING): New.
7209         (debug_clast_stmt): Declare.
7210         * lambda.h (find_induction_var_from_exit_cond): Declare.
7211         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7212         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7213         (create_empty_loop_on_edge): Updated.
7214         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7215         rename_variables_in_bb): Declare.
7216         * tree-cfg.c (remove_bb): Extern.
7217
7218         * gcc.dg/graphite/block-0.c: New.
7219
7220 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7221             Sebastian Pop  <sebastian.pop@amd.com>
7222
7223         * graphite.c (strip_mine_profitable_p): New.
7224         (graphite_trans_bb_block): Disable strip mining if not profitable.
7225
7226         * gcc.dg/graphite/scop-18.c: New.
7227         * gcc.dg/graphite/scop-17.c: Fixed.
7228         * gcc.dg/graphite/scop-16.c: Fixed.
7229
7230 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7231             Jan Sjodin  <jan.sjodin@amd.com>
7232             Sebastian Pop  <sebastian.pop@amd.com>
7233
7234         * graphite.c (is_interchange_valid): New.
7235         (graphite_trans_bb_block): Check loop nest of basic block for legality
7236         of interchange.
7237
7238         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7239         outer_most_loop, gbb_outer_most_loop_index): New.
7240
7241         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7242         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7243         * gcc.dg/graphite/scop-16.c: New.
7244         * gcc.dg/graphite/scop-17.c: New.
7245
7246 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7247
7248         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7249         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7250
7251 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7252
7253         * graphite.c (new_scop): Initialize SCOP_EXIT.
7254         (scopdet_info): Add.
7255         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7256         (build_scops_1): Cleanup, bugfixes.
7257         (build_scops): Cleanup.
7258
7259         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7260         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7261
7262 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7263
7264         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7265
7266         * gfortran.dg/graphite/graphite.exp: Use
7267         DEFAULT_GRAPHITE_FLAGS.
7268
7269         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7270
7271 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7272
7273         * graphite.c (scan_tree_for_params): Do not assert any more if
7274         MULT_EXPR parameter is negative.
7275
7276         * gfortran.dg/graphite/scop-1.f: New.
7277
7278         * gfortran.dg/graphite/graphite.exp: New.
7279
7280         * gcc.dg/graphite/scop-15.c: New.
7281
7282 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7283
7284         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7285
7286 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7287
7288         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7289         graphite_swap_loops.
7290         (graphite_trans_bb_move_loop): New.
7291         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7292         (graphite_trans_bb_block): New.
7293         (graphite_trans_loop_block): New.
7294         (graphite_trans_scop_swap_1and2): Rename from
7295         graphite_trans_swap_1and2.
7296         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7297         (graphite_trans_scop_block): New.
7298         (graphite_apply_transformations): Rename from
7299         graphite_transformations.
7300
7301         * gcc.dg/graphite/scop-matmult.c: New.
7302
7303 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7304
7305         * graphite.c (gbb_compare): New.
7306         (graphite_sort_gbbs): New.
7307         (gbb_can_be_ignored): New.
7308         (scop_remove_ignoreable_gbbs): New.
7309         (graphite_transformations): Cleanup and add
7310         scop_remove_ignoreable_gbbs.
7311         * lambda.h (lambda_vector_compare): New.
7312
7313 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7314
7315         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7316         (graphite_swap_loops): int -> unsigned
7317         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7318         (graphite_transformations): New.
7319         (graphite_transform_loops): Move to graphite_transformations.
7320         * graphite.h (gbb_nb_loops): Return unsigned.
7321
7322 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7323
7324         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7325         the domain matrix.  This makes scop-0.c work again.
7326
7327 2008-06-20  Richard Guenther  <rguenther@suse.de>
7328
7329         * graphite.h: Adjust copyright to GPLv3.
7330         * graphite.c: Likewise.
7331         (stmt_simple_memref_for_scop_p): Split out from ...
7332         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7333         and simplify.
7334         (get_bb_type): Optimize.
7335         (is_pred): Remove.
7336         (is_bb_addable): Fix memleak, replace is_pred call with
7337         single_pred.
7338         (build_scops): Use current_loops.
7339         (param_index): Fix memleak.
7340
7341 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7342
7343         * graphite.c: Fix formatting.
7344
7345 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7346
7347         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7348         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7349         (create_var_name, save_var_name): Newly defined functions.
7350         (initialize_cloog_names): Part of the code factored out to
7351         save_var_name.
7352         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7353         in clast_reduction statement.
7354         (graphite_create_new_loop): Now takes a new parameter
7355         for outer_loop.
7356         (translate_clast): Now also takes the context_loop and bb_exit
7357         parameters. Rewritten the code so that it creates a gimple code
7358         inside the given context.
7359         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7360         remove_cond_expr, disconnect_cond_expr,
7361         disconnect_virtual_phi_nodes): Newly defined functions.
7362         * graphite.h (struct scop): added old_ivs vector.
7363         SCOP_OLDIVS: New macro.
7364
7365 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7366
7367         * cfgloopmanip.c: Add missing function comments, fix formatting.
7368
7369 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7370
7371         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7372         (create_empty_loop_on_edge): Defined.
7373         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7374         instead of void.
7375         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7376         (update_dominators_in_loop): Declared as extern
7377         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7378
7379 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7380
7381         * graphite.c (print_graphite_bb): Allow changing number of loops
7382         in SCoP domain.
7383         (initialize_cloog_names): Allow changing number of loops.
7384         (build_cloog_prog): Simplify.
7385         (find_transform): Enable cloog option --strides.
7386         (graphite_swap_loops): New.
7387         (graphite_strip_mine_loop): New.
7388         (graphite_trans_swap_1and2): New.
7389         (graphite_trans_strip): New.
7390         (graphite_transform_loops): Add graphite_trans_strip.
7391         * graphite.h (scop_max_loop_depth): New.
7392
7393 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7394
7395         * graphite.c (build_scop_iteration_domain): Remove forgotten
7396         line. (Fixes compile)
7397
7398 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7399
7400         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7401         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7402         (build_bb_loops): New.
7403         (graphite_transform_loops): Add build_bb_loops.
7404         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7405         numbers.
7406         * graphite.h (graphite_bb): Add loops.
7407         (gbb_nb_loops): New.
7408         (gbb_loop_at_index): New.
7409         (gbb_loop_index): New.
7410         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7411         using nb_params_in_scop.
7412
7413 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7414
7415         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7416         (build_scop_canonical_schedules): Build minimized schedule.
7417         (schedule_to_scattering): Adapt to minimized schedule.
7418         * graphite.h (graphite_bb): Add/Update descriptions.
7419
7420 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7421             Tobias Grosser  <grosser@fim.uni-passau.de>
7422
7423         * graphite.c (print_graphite_bb): Add condition printing.
7424         (dump_value): New.
7425         (dump_gbb_conditions): New.
7426         (build_scop_conditions_1): New.
7427         (build_scop_conditions): New.
7428         * graphite.h (graphite_bb): Add conditions.
7429
7430 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7431
7432         * graphite.c (print_graphite_bb):
7433         (free_graphite_bb): New.
7434         (free_scop): Free bbs.
7435         (get_bb_type): Free doms.
7436         (build_scop_context): Free context matrix.
7437         (build_loop_iteration_domains): Remove unused code.
7438         (build_cloog_prog): Free scattering function and blocklist.
7439         (find_transform): Free options.
7440
7441 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7442
7443         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7444         Remove unnecessery cloog data structures. Make a copy of the domain
7445         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7446         unnecessary cloog data structures. Fix memory leaks. Remove insert
7447         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7448         used.
7449         (build_scop_iteration_domain): Remove unnecessary cloog
7450         data structures.  Fix memory leaks.
7451         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7452         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7453
7454 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7455
7456         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7457
7458 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7459
7460         * graphite.c (end_scop): Style fix.
7461         (schedule_to_scattering): Style and comment fix.
7462
7463 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7464         * graphite.c (print_graphite_bb): Fix definiton of
7465         schedule_to_scattering.
7466         (initialize_cloog_names): Change nb_scattdims to max loop
7467         depth in SCoP.
7468         (schedule_to_scattering): Take parameter for number of scattering
7469         dimensions.
7470         (build_cloog_prog): Only build as much scattering dimensions as
7471         necessary.
7472
7473 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7474
7475         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7476         in polyhedron/aermod.f90.
7477
7478 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7479             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7480             Harsha Jagasia  <harsha.jagasia@amd.com>
7481
7482         * graphite.c (is_bb_addable): Fix segfault.
7483
7484 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7485
7486         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7487         with multiple exits and conditional handling in edge cases.
7488         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7489
7490         * gcc.dg/graphite/scop-14.c: New.
7491
7492 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7493             Adrien Eliche  <aeliche@isty.uvsq.fr>
7494
7495         * graphite.c (is_bb_addable): Add more comments and enhance
7496         readablity of the source code. Fix memory leak.
7497         (is_loop_exit): Fix memory leak.
7498
7499 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7500
7501         * graphite.c (first_loop_in_scop): Deleted.
7502         (setup_cloog_loop): Only walk the loop chain for inner loops.
7503         (build_scop_iteration_domain): Execute setup_cloog_loop for
7504         all loops in the first layer.
7505
7506 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7507
7508         * graphite.c (scan_tree_for_params): Change the way params are
7509         added to be indepenent of the number of loops.
7510         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7511         handling.
7512         (build_cloog_prog): Revert to short matrix format.
7513
7514 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7515             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7516
7517         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7518         warning.
7519
7520 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7521
7522         * graphite.c (nb_data_refs_in_scop): New.
7523         (graphite_transform_loops): Print more stats: number of
7524         loops, basic blocks and data references per scop.
7525
7526 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7527             Jan Sjodin  <jan.sjodin@amd.com>
7528
7529         * graphite.c (loop_affine_expr, idx_record_params,
7530         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7531         instead of instantiate_parameters.
7532
7533 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7534
7535         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7536         add support for parameters, add STATIC_SCHEDULE at the right places,
7537         cleanup.
7538
7539 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7540
7541         * graphite.c (build_scop_loop_nests): Only add the loops, that
7542         are contained completely in the SCoP.
7543         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7544         and the domains are fixed.
7545         (build_scop_canonical_schedules): Add support for bbs not contained
7546         in any SCoP.
7547
7548 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7549
7550         * graphite.h (scop_contains_loop): Update comments to match
7551         the actual behavior.
7552         (scop_contains_loop): New.
7553         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7554
7555 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7556
7557         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7558         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7559         as GBB_COND_HEADER.
7560
7561 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7562             Tobias Grosser  <grosser@fim.uni-passau.de>
7563
7564         * graphite.c (graphite_transform_loops): Early return when
7565         there are no loops in the function.
7566
7567 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7568             Jan Sjodin  <jan.sjodin@amd.com>
7569
7570         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7571         offset of the last loop.
7572         (setup_cloog_loop): Copy the entire outer constraint matrix.
7573
7574 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7575             Jan Sjodin  <jan.sjodin@amd.com>
7576
7577         * graphite.c (stmt_in_scop_p, function_parameter_p,
7578         invariant_in_scop_p): Removed.
7579         (scan_tree_for_params): Can be used with no constraint
7580         matrix for gathering parameters.
7581         (idx_record_params): Don't use idx_record_param, instead use
7582         scan_tree_for_params.
7583         (find_scop_parameters): Same.
7584         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7585         Fix the size of loop domains.
7586         (schedule_to_scattering): Exit when the outer loop is not in scop.
7587         (find_transform): Enable build_cloog_prog.
7588
7589 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7590             Jan Sjodin  <jan.sjodin@amd.com>
7591
7592         * graphite.c (schedule_to_scattering): Make scattering domains
7593         uniformly of the same size, as required by CLooG 0.14.0 and before.
7594
7595 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7596             Jan Sjodin  <jan.sjodin@amd.com>
7597
7598         * graphite.c (schedule_to_scattering): Rewrite, correct the
7599         translation of the scheduling function to scattering.
7600         (build_cloog_prog): Call schedule_to_scattering only once.
7601         * graphite.h (scop_loop_index): Do not fail for loops not
7602         in the scop: return -1.
7603
7604 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7605
7606         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7607         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7608         (setup_cloog_loop): Export GBB_DOMAIN.
7609         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7610         able to rebuild the original control flow.
7611         * graphite.h (graphite_bb): Add domain field and access macro.
7612         (GBB_DOMAIN): New.
7613
7614 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7615
7616         * graphite.c (debug_gbb): New.
7617         (print_scop, build_graphite_bb): Use SCOP_BBS.
7618         (build_scop_bbs): Reimplemented.
7619         (dfs_bb_in_scop_p): Removed.
7620         (build_scop_loop_nests): Reorder loops inserted in
7621         SCOP_LOOP_NEST: outer loops should come first.
7622         (build_scop_canonical_schedules): Reinitialize at zero
7623         the components of the SCOP_STATIC_SCHEDULE for the loops
7624         that have already been parsed.
7625
7626         * graphite.h (debug_gbb): Declared.
7627
7628 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7629             Jan Sjodin  <jan.sjodin@amd.com>
7630
7631         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7632         (graphite_loop_to_gcc_loop): Removed.
7633         (remove_all_edges): New.
7634         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7635         (gloog): Remove useless code.
7636
7637 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7638
7639         * graphite.c (get_bb_type): Reworked. We distinguish between
7640         loops with one or multiple exits.
7641         (is_loop_exit): New.
7642         (is_pred): New.
7643         (is_bb_addable): Rework condition handling, now support for case
7644         case statements and loops with multiple exits.
7645
7646         * gcc.dg/graphite/scop-11.c: New.
7647         * gcc.dg/graphite/scop-12.c: New.
7648         * gcc.dg/graphite/scop-13.c: New.
7649
7650 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7651
7652         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7653         we have too many colors.
7654
7655 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7656
7657         * doc/invoke.texi (-ftree-loop-fusion): Document.
7658         * tree-pass.h (pass_loop_fusion): Declared.
7659         * tree-loop-fusion.c: New.
7660         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7661         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7662         * tree-data-ref.h (find_data_references_in_loop): Declared.
7663         * common.opt (ftree-loop-fusion): Declared.
7664         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7665
7666 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7667
7668         * graphite.c (build_access_matrix): Fix typo from the merge.
7669
7670 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7671
7672         * Merge from mainline (130800:135673).
7673
7674 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7675
7676         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7677         Update dominators after splitting.
7678
7679 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7680
7681         * graphite.c (is_bb_addable): Return the harmful statement.
7682         Factor up some code.
7683         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7684         (build_scops_1): Call end_scop.
7685
7686 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7687
7688         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7689         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7690         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7691         build_scops_1): Removed.
7692         (build_scops_2): Renamed build_scops_1.
7693
7694 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7695
7696         * graphite.c: Fix formatting.
7697
7698 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7699
7700         * graphite.c (get_bb_type): New.
7701         (move_scops): New.
7702         (build_scops_2): New.
7703         (is_bb_addable): New.
7704         (build_scops): Switch the scop detection.
7705         (build_scop_bbs): Add entry bb to scop.
7706         * graphite.h (struct scop): Update comment.
7707
7708 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7709
7710         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7711         more colors.
7712
7713 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7714
7715         * gcc.dg/graphite/scop-1.c: Update.
7716         * gcc.dg/graphite/scop-2.c: Update.
7717         * gcc.dg/graphite/scop-4.c: Update.
7718         * gcc.dg/graphite/scop-5.c: Add.
7719         * gcc.dg/graphite/scop-6.c: Add.
7720
7721 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7722
7723         * gcc.dg/graphite/scop-0.c: Add.
7724         * gcc.dg/graphite/scop-7.c: Add.
7725         * gcc.dg/graphite/scop-8.c: Add.
7726         * gcc.dg/graphite/scop-9.c: Add.
7727         * gcc.dg/graphite/scop-10.c: Add.
7728
7729 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7730
7731         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7732         Check affine expressions depending on the outermost loop
7733         instead of a scop.
7734         (stmt_simple_for_scop_p): Same.
7735         (harmfule_stmt_in_scop): Same.
7736
7737 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7738
7739         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7740         mark entry and exit, that are not part of the SCoP and update HTML
7741         formatting.
7742
7743 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7744
7745         * graphite.c (basic_block_simple_for_scop_p): Renamed
7746         harmful_stmt_in_bb.
7747         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7748         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7749         (all_preds_visited_p, all_succs_visited_p,
7750         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7751         scop_end_loop): New.
7752         (build_scops): Do not use dfs_enumerate_from.
7753
7754         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7755
7756 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7757
7758         * graphite.c: Add comments to functions that are missing a
7759         description.
7760         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7761
7762 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7763
7764         * graphite.c (nb_params_in_scop): Moved...
7765         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7766         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7767         (clast_to_gcc_expression): Reduce column size to less than 80.
7768         (graphite_create_iv): Return the new name of the IV.
7769         (find_transform): Set options->esp and options->cpp.
7770         (gloog): Comment out the invalidation of the old loop code.
7771         (initialize_dependence_polyhedron): Replace scop_nb_params with
7772         nb_params_in_scop.
7773
7774         * graphite.h (nb_params_in_scop): ... here.
7775         (scop_nb_params): Removed.
7776         (loop_domain_dim): Return something even when the loop was not
7777         found in the hash table: avoid ICEing on all the graphite.exp
7778         testcases.
7779
7780 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7781
7782         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7783
7784         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7785         according to nesting level.
7786         (find_scop_parameters): Call instantiate_parameters.
7787         (scan_tree_for_params): Extend it to handle general affine bounds.
7788         Inner loop bound can depend on outer loop induction variable.
7789         (setup_cloog_loop): tmp variable is allocated on stack. Call
7790         instantiate_parameters with respect to outermost_loop_in_scop.
7791         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7792         graphite.h.
7793         (create_empty_loop): Function loopify should be given edge
7794         probability, instead of edge frequency. Dominance relation from
7795         switch_bb to loop_header.
7796         (clast_to_gcc_expression): Added handling of clast_reduction node.
7797         (gloog): New functionality for removing old loop.
7798         (test_dependence): Factored out from build_rdg_all_levels.
7799         (build_rdg_all_levels): Dependence testing factored out to
7800         test_dependence function.
7801
7802         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7803         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7804         from graphite.c
7805
7806 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7807
7808         * graphite.c (free_scop, param_index, initialize_cloog_names,
7809         nb_params_in_scop): Use name_tree map instead of just a tree
7810         for keeping track of the variable name associated to that tree.
7811         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7812         clast_to_gcc_expression, graphite_create_iv,
7813         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7814         graphite_stmt_to_gcc_stmt): New.
7815         (gloog): Call these.
7816         * graphite.h (struct name_tree): New.
7817         (struct scop): Use name_tree instead of tree for params.
7818         Store a vector of name_tree for new_ivs.
7819         (SCOP_NEWIVS): New.
7820         (scop_nb_params): Use name_tree instead of tree.
7821
7822 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7823             Sebastian Pop  <sebastian.pop@amd.com>
7824
7825         * tree-bounds.c: New.
7826         * tree-bounds.h: New.
7827         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7828         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7829         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7830         flag_mudflap.
7831         * gcc.c: Same.
7832         * toplev.c: Same.
7833         * c-cppbuiltin.c: Same.
7834         * c-pragma.c: Same.
7835         * common.opt: Same.
7836         * varasm.c: Same.
7837         * tree-outof-ssa.c: Same.
7838         * c-common.c: Same.
7839         * Makefile.in: Same.
7840
7841 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7842             Sebastian Pop  <sebastian.pop@amd.com>
7843
7844         * tree-loop-distribution.c (remaining_stmts,
7845         upstream_mem_writes): Removed static variables.
7846         (copy_loop_before, create_bb_after_loop,
7847         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7848         rdg_build_components, rdg_build_partitions,
7849         dump_rdg_partitions): Extern.
7850         (generate_loops_for_partition, generate_code_for_partition): Do not
7851         return a bool.
7852         (already_processed_vertex_p, predecessor_has_mem_write,
7853         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7854         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7855         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7856         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7857         Pass remaining_stmts and upstream_mem_writes as parameters.
7858         (rdg_component): Moved...
7859         (build_rdg_partition_for_component): Do not aggregate components when
7860         flag_streamize_loops is set.
7861         (gen_sequential_loops): New.
7862         (ldist_gen): Call gen_sequential_loops.
7863
7864         * tree-pass.h (pass_loop_streamization): Declared.
7865
7866         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7867         basic blocks when loops structures exist.
7868
7869         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7870
7871         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7872
7873         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7874         eliminate_local_variables_stmt, eliminate_local_variables,
7875         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7876         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7877         of code delimited by two edges in the CFG.
7878         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7879         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7880         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7881         the case of parallelisation of reductions.
7882         (create_loop_fn): Extern.
7883         (create_omp_parallel_region): New.
7884
7885         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7886         dump_data_reference for printing dra and drb.
7887         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7888         RDGE_RELATION.
7889         (build_rdg): Don't call free_dependence_relations for the moment, as
7890         we attach dependence relations on each edge of the RDG.
7891         To be fixed later.
7892
7893         * tree-data-ref.h (rdg_component): ...here.
7894         (struct rdg_edge): New field ddr_p relation.
7895         (RDGE_RELATION): New.
7896         (create_bb_after_loop, copy_loop_before,
7897         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7898         rdg_build_partitions, dump_rdg_partitions,
7899         free_rdg_components): Declared.
7900
7901         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7902         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7903
7904         * tree-loop-streamization.c: New.
7905
7906         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7907         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7908
7909         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7910
7911         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7912
7913         * passes.c: Schedule pass_loop_streamization.
7914
7915 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7916
7917         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7918         update comment.
7919
7920 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7921
7922         * graphite.c (dot_all_scops): Update formatting.
7923         Bbs can now be part of more than one SCoP.
7924
7925 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7926
7927         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7928         malloc problems.
7929         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7930         * graphite.h (loop_to_cloog_loop): New.
7931
7932 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7933
7934         * graphite.c (loop_domain_dim, ref_nb_loops,
7935         loop_iteration_vector_dim): New.
7936         (build_access_matrix_with_af, build_access_matrix,
7937         initialize_dependence_polyhedron): Fixed for new matrix layout.
7938         No longer assume that all iteration domains are of the same
7939         dimensionality.
7940
7941 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7942
7943         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7944         defined in a loop at depth 0 is invariant.
7945         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7946         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7947         be called at loop depth 0.
7948
7949         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7950         a parameter.
7951         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7952         (down_open_scop): Removed.
7953         (loop_in_scop_p): Redefined.
7954         (scop_affine_expr): New argument: scop.
7955         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7956         a harmful statement ending a scop.
7957         (basic_block_simple_for_scop_p): New argument: scop.
7958         (get_loop_start): Removed.
7959         (new_scop): Initialize SCOP_LOOPS.
7960         (free_scop): Free SCOP_LOOPS.
7961         (succs_at_same_depth, preds_at_same_depth): New.
7962         (end_scop): Test the validity of a scop.
7963         (add_dominators_to_open_scops): New.
7964         (test_for_scop_bound): Call add_dominators_to_open_scops.
7965         Add cases for opening and closing multiple scops.
7966         (build_scops, build_scop_bbs): Iterate over basic blocks in
7967         depth first order.
7968         (build_graphite_bb): Pass scop directly.
7969         (dfs_bb_in_scop_p): New.
7970         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7971         several times.
7972         (nb_loops_around_gb): Use loop_in_scop_p.
7973         (schedule_to_scattering): Disabled for the moment the code computing
7974         the "textual order for outer loop".
7975
7976         * graphite.h (struct scop): New field loops.
7977         (SCOP_LOOPS): New.
7978         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7979
7980         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7981
7982 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7983             Sebastian Pop  <sebastian.pop@amd.com>
7984
7985         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7986         * common.opt (fstreamize-loops): New.
7987         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7988         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7989         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7990         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7991
7992 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7993
7994         * tree-data-ref.c (build_empty_rdg): New.
7995         (build_rdg): Use it.
7996         * tree-data-ref.h (build_empty_rdg): Declared.
7997         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7998         (find_vertex_for_stmt): Removed.
7999         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8000
8001 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8002
8003         * tree-loop-distribution.c (generate_builtin): After cancelling the
8004         loop tree, also delete basic blocks.
8005         (rdg_flag_uses): Stop recursion when a vertex has already been
8006         processed.
8007
8008 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8009
8010         * graphite.c (build_scop_alpha): Removed.
8011         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8012         and dump_dependence_graph to avoid compiler warnings.
8013
8014 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8015
8016         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8017         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8018         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8019         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8020         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8021         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8022         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8023         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8024         dump_dependence_graph): New.
8025         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8026         (GBB_ALPHA): New.
8027         (struct scop): New field loop2cloog_loop.
8028         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8029         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8030
8031 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8032
8033         * graphite.c (build_graphite_bb): Fix initialization
8034         of the graphite basic block.
8035
8036 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8037
8038         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8039         loop domain matrix.  Pass in the number of loops contained in the
8040         constraint matrix.
8041         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8042         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8043         loops that are not surrounding the current loop are not represented
8044         in the domain constraint matrix.
8045         (build_scop_iteration_domain): Initial domain constraint matrix
8046         contains only the eq/ineq, cst, and scop parameters columns.
8047
8048 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8049
8050         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8051         (print_graphite_bb): Print scattering.
8052
8053 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8054
8055         * graphite.c (initialize_cloog_names): Initialize names of
8056         scattering variables.
8057
8058 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8059
8060         * graphite.c (dot_all_scops_1): Disable debug output while
8061         printing graph.
8062
8063 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8064
8065         * graphite.c (find_transform): Change cloog output language to C.
8066
8067 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8068
8069         * tree-loop-distribution.c (generate_memset_zero,
8070         generate_builtin, generate_code_for_partition,
8071         rdg_flag_all_uses): New.
8072         (rdg_flag_uses): Gather in the same partition the statements defining
8073         the VUSES of the current statement.
8074         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8075         Gather in the same partition not only the stores to the same memory
8076         access, but also the reads.
8077         (ldist_generate_loops): Renamed ldist_gen.
8078
8079 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8080             Tobias Grosser  <grosser@fmi.uni-passau.de>
8081
8082         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8083         next pointer, don't use the inner pointer.
8084
8085 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8086
8087         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8088         (find_transform): Call dot_all_1.
8089         * graphite.h (dot_all_scops): Declared.
8090
8091 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8092
8093         * tree-loop-distribution.c: Fix apsi.f ICE.
8094         (create_bb_after_loop): New.
8095         (generate_loops_for_partition): Use it.
8096         * gfortran.dg/ldist-1.f90: New.
8097
8098         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8099         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8100
8101 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8102
8103         * graphite.c (find_transform): Dump cloog program sent to cloog.
8104
8105 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8106
8107         * graphite.c (initialize_cloog_names): Initialize cloog
8108         iterator names.
8109
8110 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8111
8112         * graphite.c (build_scop_context): Fix typo, for the matrix
8113         format: insert '0 >= 0' instead of '-1 >= 0'.
8114
8115 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8116
8117         * Fix merge problems.
8118
8119 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8120
8121         * graphite.c (setup_cloog_loop): Fix typo.
8122
8123 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8124
8125         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8126         * tree-loop-distribution.c: Reimplemented.
8127         * tree-pass.h (pass_loop_distribution): New.
8128         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8129         print_loops.
8130         * graphds.h (struct graph): New field indexes.
8131         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8132
8133         * tree-vect-analyze.c: Remove declaration of static functions when not
8134         needed.
8135         * tree-vectorizer.c: Same.
8136         (rename_variables_in_loop): Now extern.
8137         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8138         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8139         calling redirect_edge_and_branch_force.
8140
8141         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8142
8143         * tree-data-ref.c: Don't include tree-chrec.h.
8144         (debug_data_dependence_relations): New.
8145         (dump_data_dependence_relation): Call dump_data_reference on data refs
8146         in the relation.
8147         (same_access_functions): Moved...
8148         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8149         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8150         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8151         struct rdg_vertex_info, ): New.
8152         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8153         at DDR_REVERSED_P.
8154         (create_rdg_vertices): Initialize the htab of graph->indexes.
8155         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8156         (stmts_from_loop): Don't save LABEL_EXPR.
8157         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8158         hash_stmt_vertex_del): New.
8159         (build_rdg): Initialize rdg->indexes.
8160         (free_rdg, stores_from_loop, ref_base_address,
8161         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8162         have_similar_memory_accesses_1, ref_base_address_1,
8163         remove_similar_memory_refs): New.
8164
8165         * tree-data-ref.h: Include tree-chrec.h.
8166         (debug_data_dependence_relations): Declared.
8167         (same_access_functions): ...here.  Now static inline.
8168         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8169         ddr_dependence_level): New.
8170         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8171         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8172         RDG_MEM_READS_STMT): New.
8173         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8174         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8175         rdg_vertex_for_stmt): Declared.
8176         (struct rdg_edge): New field level.
8177         (RDGE_LEVEL, free_rdg): New.
8178         (stores_from_loop, remove_similar_memory_refs,
8179         rdg_defs_used_in_other_loops_p,
8180         have_similar_memory_accesses): Declared.
8181         (rdg_has_similar_memory_accesses): New.
8182
8183         * lambda.h (dependence_level): New.
8184         * common.opt (ftree-loop-distribution): New.
8185         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8186         (print_loop_ir): Renamed print_loops.
8187         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8188         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8189         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8190         (tree-loop-distribution.o): Added.
8191         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8192         (mark_virtual_ops_in_bb): New.
8193         (print_loops_bb, debug_loop_num, debug_loop): New.
8194         * passes.c: Scheduled pass_loop_distribution.
8195
8196 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8197
8198         * graphite.c (scan_tree_for_params): Correct the number of columns
8199         for polylib format.
8200         (nb_flat_iterator): New.
8201         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8202         (build_scop_iteration_domain): Correct the number of columns for
8203         polylib format.
8204
8205 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8206
8207         * Merge from mainline (129697:130800).
8208
8209 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8210
8211         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8212         dominated by SCoP's exit.
8213         (graphite_transform_loops): Compute post dominators.
8214
8215 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8216
8217         * Merge from mainline (127169:129697).
8218
8219 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8220
8221         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8222         parameter for the basic block that contains the expression.  Use
8223         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8224         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8225         the expression.
8226         * graphite.h (gbb_loop): New.
8227         (GBB_LOOP): Removed.
8228
8229 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8230
8231         * Makefile.in: Fix merge problem.
8232
8233 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8234
8235         * Merge from mainline (125309:127169).
8236         * tree-loop-distribution.c: Disabled.
8237
8238 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8239
8240         * Merge from mainline (r123693:125309).
8241
8242 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8243
8244         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8245         correct_modify_p
8246         (correct_modify_p, check_statements, number_of_lvalue_uses,
8247         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8248         instead of MODIFY_EXPR.
8249         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8250         and push new edges.
8251
8252 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8253
8254         * tree-loop-distribution.c (struct rdg): Replace arrays by
8255         VECs for edges and vertices.
8256         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8257         (RDGV_NB_PARTITIONS): New.
8258         (PRDG_NBV, PRDG_NBE): Removed.
8259         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8260         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8261         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8262
8263 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8264             Sebastian Pop  <sebpop@gmail.com>
8265
8266         * doc/invoke.texi (-ftree-loop-distribution): Document.
8267         * tree-loop-distribution.c: New file.
8268         * tree-pass.h (pass_loop_distribution): Declared.
8269         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8270         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8271         and set reversed_p.
8272         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8273         (DDR_REVERSED_P): New.
8274         * common.opt (-ftree-loop-distribution): New.
8275         * tree-flow.h (distribute_loops): Declared.
8276         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8277         * passes.c (init_optimization_passes): Schedule loop distribution.
8278
8279 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8280
8281         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8282         (print_scop): Don't print when scop is NULL.
8283         (build_scop_context, find_transform): Don't output to stderr.
8284
8285 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8286
8287         * tree-data-ref.c: Don't include graphite.h.
8288         Comment out the code for printing data reference's scop.
8289         (build_access_matrix_with_af): Moved...
8290         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8291         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8292         (print_graphite_bb): Print basic block's schedule.
8293         (print_scop): Don't print the schedule, call cloog's pretty printer.
8294         (bb_in_scop_p): A basic block is in a scop only if it is both
8295         dominated and postdominated by the scop's entry and exit basic blocks.
8296         (function_parameter_p): New.
8297         (invariant_in_scop_p): Use function_parameter_p.
8298         (new_scop, save_scop): New.
8299         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8300         save_scop.
8301         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8302         (loop_in_scop_p): New.
8303         (scop_record_loop): Use loop_in_scop_p.
8304         (build_scop_domain): Renamed build_scop_iteration_domain.
8305         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8306         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8307         setup_cloog_loop, dot_scop_1, dot_scop): New.
8308         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8309         (struct scop): Add a pointer to cloog's representation of a program.
8310
8311 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8312
8313         * doc/invoke.texi (-ftree-check-verbose): Renamed
8314         -ftree-checks-verbose.
8315         * common.opt (flag_tree_check_verbose): Renamed
8316         flag_tree_checks_verbose.
8317         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8318
8319 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8320
8321         * configure: Regenerated.
8322         * config.in: Regenerated.
8323         * tree-ssa-loop.c (graphite_transforms): Execute
8324         graphite_transform_loops only when HAVE_cloog.
8325         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8326         * graphite.c: Include polylibgmp.h and cloog.h.
8327         (graphite_transform_loops): Removed loops parameter.
8328         * tree-flow.h (graphite_transform_loops): Update declaration.
8329         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8330         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8331         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8332         (OBJS-common): Remove dependence on graphite.o.
8333         (BACKEND): Depend on @GRAPHITE@.
8334
8335 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8336
8337         * doc/invoke.texi (-ftree-check-verbose): Documented.
8338         * gcc.dg/tree-checker/tree-checks-1.c: New.
8339         * gcc.dg/tree-checker/tree-checks-2.c: New.
8340         * gcc.dg/tree-checker/tree-checks-3.c: New.
8341         * gcc.dg/tree-checker/tree-checks-4.c: New.
8342         * gcc.dg/tree-checker/tree-checks.exp: New.
8343         * gcc.dg/tree-checker/condates.crp: New.
8344         * common.opt (ftree-checks-verbose): New.
8345         * tree-check.c (tree_check_warning): Move extra stderr output
8346         under control of flag_tree_check_verbose.
8347
8348 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8349
8350         * tree-match.c: Fix comments formatting.
8351         * tree-match.h: Fix comments formatting.
8352         * tree-check.c: Fix comments formatting.
8353         (tree_check_init): Restructure.
8354
8355 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8356
8357         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8358
8359 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8360
8361         * Merge from mainline (r120733:123693).
8362
8363 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8364
8365         * condate.y: New file.
8366         * tree-match.h (struct patt_info_s): New field sign.
8367         (struct condate_s): New field msg.
8368         (normalize_condate, name_condate, add_condate): New.
8369         (conds[], condate_parse): Made extern.
8370         * tree-check.c (tree_check_warning): First arg changed to cond;
8371         warning reformatted.
8372         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8373         (tree_scan): New.
8374         (tree_check): Process trivial condates.
8375         (read_delimited_string): Removed.
8376         (print_cond): Print name and msg.
8377         (conds[]): Made extern.
8378         (parse_tree_check_file_once): Rewritten to use the parser in
8379         condate.y.
8380         Processing of option --tree_check_string moved to tree_scan().
8381         * Makefile.in: Added condate.y
8382
8383 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8384
8385         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8386         Use VECs instead of varrays.
8387         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8388         * Makefile.in (pretty-print.o): Depend on vec.h.
8389         * pretty-print.c: Include tree.h and vec.h.
8390         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8391         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8392         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8393         pp_free_list): Use VECs instead of varrays.
8394         * pretty-print.h: Do not include varray.h.
8395         (struct tree_chunk_s): Declaration moved before its use.
8396         (output_buffer): Rename varray field to chunks.
8397         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8398         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8399         save_global_holes): Use VECs instead of varrays.
8400         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8401         * tree-check.c (scan_cfg_stmts, push_node,
8402         print_matching_stmt): Removed.
8403         (tree_check_instance, push_global_holes_if_new, tree_check,
8404         execute_tree_check): Use VECs instead of varrays.
8405         (gate_tree_check): Don't execute the CFG check when basic_block_info
8406         is not available.
8407
8408 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8409
8410         * Merge from mainline (r115016:120733).
8411
8412 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8413
8414         * Merge from mainline (r117632:117661).
8415
8416 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8417
8418         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8419         * tree-pass.h (TDF_DEBUG, debug_p): New.
8420         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8421         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8422         get_loop_exit_condition, analyze_evolution_in_loop,
8423         analyze_initial_condition, analyze_scalar_evolution,
8424         instantiate_parameters, number_of_latch_executions): Use debug_p.
8425         * tree-chrec.c (chrec_apply): Use debug_p.
8426         * tree-data-ref.c: Include graphite.h.
8427         (dump_data_reference): Print also the access matrix.
8428         (analyze_array, analyze_indirect_ref, init_data_ref,
8429         analyze_offset_expr, address_analysis, object_analysis,
8430         create_data_ref, finalize_ddr_dependent,
8431         non_affine_dependence_relation, analyze_ziv_subscript,
8432         analyze_siv_subscript_cst_affine,
8433         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8434         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8435         analyze_miv_subscript, analyze_overlapping_iterations,
8436         build_classic_dist_vector, subscript_dependence_tester,
8437         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8438         (build_access_matrix_with_af): No longer static.
8439         * tree-data-ref.h (scop_p): ... declaration here.
8440         (data_reference.scop): New field.
8441         (DR_SCOP, DR_ACCESS_MATRIX): New.
8442         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8443         * graphite.c (print_graphite_bb): Call dump_data_references.
8444         (print_scop): Use scop_nb_loops and scop_dim_domain.
8445         (test_for_scop_bound): Use debug_p.
8446         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8447         scop_nb_params.
8448         (scop_loop_index): Moved...
8449         (scop_record_loop): New.
8450         (build_scop_loop_nests): Use scop_record_loop.
8451         (build_scop_domain): Use scop_dim_domain.
8452         (build_access_matrix): Implemented.
8453         (build_scop_canonical_schedules): Use scop_nb_loops.
8454         (build_graphite_bb): Initialize GBB_SCOP.
8455         * graphite.h (scop_p): Moved...
8456         (graphite_bb.scop): New field.
8457         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8458         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8459         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8460         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8461         scop_loop_index): New.
8462         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8463
8464 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8465
8466         * Merge from mainline (r117661:120450).
8467
8468 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8469
8470         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8471         at the first declaration outside the varying loop, instantiate as
8472         far as possible.
8473         * tree-chrec.c (for_each_scev_op): New.
8474         * tree-chrec.h (for_each_scev_op): Declared.
8475         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8476         * tree-data-ref.c (get_references_in_stmt,
8477         find_data_references_in_stmt): New, from trunk.
8478         (find_data_references_in_loop): Use get_references_in_stmt
8479         and find_data_references_in_loop, modified as in trunk.
8480         (build_access_matrix_with_af): New.
8481         * tree-data-ref.h (data_reference): Add a field access_matrix.
8482         (data_ref_loc): New, as in trunk.
8483         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8484         invariant_in_scop_p, param_index, scan_tree_for_params,
8485         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8486         idx_record_param, idx_record_params, build_access_matrix,
8487         build_scop_data_accesses, build_scop_canonical_schedules,
8488         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8489         build_scop_params): New.
8490         * graphite.h (graphite_bb): New.
8491         (scop): Add fields static_schedule, params, loop_nest,
8492         iteration_domain.
8493         * lambda.h: Declare vecs of lambda_matrix.
8494         * tree-flow.h (print_loop_ir_bb): Declared.
8495         * tree-cfg.c (print_loop_ir_bb): New.
8496         (print_loop): Use print_loop_ir_bb.
8497
8498 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8499
8500         * Merge from mainline (r115016:117632).
8501
8502 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8503
8504         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8505         break due to a warning.
8506
8507 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8508
8509         * graphite.c (print_scops, debug_scops): New.
8510         (graphite_transform): Renamed graphite_find_transform.
8511         * graphite.h (debug_scops): Declared.
8512
8513 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8514
8515         * tree-match.c: Reformat following the GNU style.
8516         * tree-match.h: Reformat following the GNU style.
8517         * tree-pattern.h: Removed empty file.
8518         * Makefile.in: Remove references to tree-pattern.h.
8519         * tree-check.c: Reformat following the GNU style.
8520         (execute_tree_check): Move gate condition code to...
8521         (gate_tree_check): ...here.  New function.
8522         (pass_check): Use the gate function.
8523
8524 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8525
8526         * tree-pattern.h: New. Tree pattern matching and checking using
8527         concrete syntax.
8528         * tree-check.c: New. Tree/CFG checking pass.
8529         * tree-match.c: New. Library for tree pattern matching.
8530         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8531         * toplev.c, flags.h: Add globals for tree-check pass.
8532         * Makefile.in: Integrate the files in tree-check pass.
8533         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8534         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8535         Introduce a "lazy" pretty-print mode.
8536         * tree.c, tree.h: Add tree_name.
8537
8538 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8539
8540         * doc/invoke.texi (-fgraphite): Correct typo.
8541         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8542         use of print_loop_ir.
8543         * gcc.dg/graphite/scop-1.c: New.
8544         * gcc.dg/graphite/scop-2.c: New.
8545         * gcc.dg/graphite/graphite.exp: New.
8546         * graphite.c: Include domwalk.h.
8547         (print_scop): Print only the entry and exit blocks.
8548         (debug_scop): No longer static.
8549         (affine_expr): Fix formating.  Return also true when the expression is
8550         constant.
8551         (stmt_simple_for_scop_p): Fix formating.
8552         (build_scops): Use domwalk.
8553         (get_loop_start, end_scop, test_for_scop_bound): New.
8554         (graphite_transform_loops): Avoid printing on stderr.
8555         * graphite.h (debug_scop): Declared.
8556         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8557         * Makefile.in (graphite.o): Depend on domwalk.h.
8558         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8559         declarations for static functions.
8560         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8561         controlling output verbosity.
8562
8563 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8564             Plesco Alexandru  <shurikx@gmail.com>
8565
8566         * doc/invoke.texi (-fgraphite): Document.
8567         * tree-pass.h (pass_graphite_transforms): Declared.
8568         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8569         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8570         (pass_graphite_transforms): Defined.
8571         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8572         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8573         * graphite.c, graphite.h: New.
8574         * common.opt (fgraphite): Declared.
8575         * tree-flow.h (graphite_transform_loops): Declared.
8576         * Makefile.in (OBJS-common): Add graphite.o.
8577         (graphite.o): New rule.
8578         * passes.c (pass_graphite_transforms): Scheduled.
8579