gcc/ChangeLog.graphite

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