gcc/ChangeLog.graphite

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