2010-03-09 Sebastian Pop * graphite-sese-to-poly.c (build_poly_scop): Do not return bool. * graphite-sese-to-poly.h (build_poly_scop): Same. 2010-03-09 Sebastian Pop * graphite-sese-to-poly.c (build_poly_scop): Limit scops following the number of parameters in the scop. Use as an upper bound PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS. * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared. * doc/invoke.texi: Document it. 2010-03-05 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Use lower_bound_in_type and upper_bound_in_type. 2010-03-05 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Use sizetype instead of unsigned_type_node. 2010-03-05 Sebastian Pop Reza Yazdani PR middle-end/43065 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds on pointer type parameters. * gcc.dg/graphite/run-id-4.c: New. 2010-03-05 Sebastian Pop PR middle-end/43065 * gcc.dg/graphite/run-id-3.c: New. 2010-03-05 Tobias Grosser Ramakrishna Upadrasta * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also handle conversions from pointer to integers. (gcc_type_for_cloog_iv): Choose the smalles signed integer as an induction variable, to be able to work with code generated by CLooG. * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New. (build_poly_scop): Bail out if we cannot codegen a loop. 2010-03-04 Tobias Grosser * graphite-clast-to-gimple.c (translate_clast): Do not short-cut code generation with gloog_error. 2010-03-04 Sebastian Pop * sese.c (expand_scalar_variables_ssa_name): Add new argument for type. Call fold_convert on all the returned values. (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name the type of the resulting expression. 2010-03-04 Sebastian Pop * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed ppl_min_for_le_pointset. Use ppl_Pointset_Powerset_C_Polyhedron_minimize. * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration. 2010-03-04 Sebastian Pop * graphite-dependences.c (map_into_dep_poly): Removed. (dependence_polyhedron_1): Use combine_context_id_scat. 2010-03-04 Sebastian Pop * graphite-poly.h (struct poly_scattering): Add layout documentation. (struct poly_bb): Same. (combine_context_id_scat): New. 2010-03-02 Sebastian Pop PR middle-end/42326 * sese.c (name_defined_in_loop_p): Return false for default definitions. * gcc.dg/graphite/pr42326.c: New. 2010-02-23 Sebastian Pop * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify and clean up the logic. 2010-02-23 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove early return. 2010-02-22 Sebastian Pop PR middle-end/43083 * graphite-scop-detection.c (create_single_exit_edge): Move the call to find_single_exit_edge to.... (create_sese_edges): ...here. Don't handle multiple edges exiting the function. (build_graphite_scops): Don't handle multiple edges exiting the function. * gcc.dg/graphite/pr43083.c: New. 2010-02-22 Sebastian Pop PR middle-end/43097 * sese.c (get_rename): Assert that old_name is an SSA_NAME. (rename_variables_in_stmt): Continue when the use is not an SSA_NAME. * gfortran.dg/graphite/pr43097.f: New. 2010-02-22 Sebastian Pop Manuel López-Ibáñez PR middle-end/43140 * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null. 2010-02-22 Sebastian Pop PR middle-end/43026 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF. * g++.dg/graphite/pr43026.C: New. 2010-02-13 Tobias Grosser * Merge from mainline (154736:156693). 2010-02-11 Sebastian Pop PR middle-end/43012 * gcc.dg/graphite/pr43012.c: New. 2010-02-10 Sebastian Pop * graphite.c (graphite_transform_loops): Re-enable dbg_cnt. 2010-02-10 Sebastian Pop * g++.dg/graphite/pr42930.C: New. 2010-02-10 Sebastian Pop PR middle-end/42930 * graphite-scop-detection.c (graphite_can_represent_scev): Call graphite_can_represent_init for MULT_EXPR. 2010-02-10 Sebastian Pop PR middle-end/42914 PR middle-end/42530 * graphite-sese-to-poly.c (remove_phi): New. (translate_scalar_reduction_to_array): Call remove_phi. * gcc.dg/graphite/pr42530.c: New. * gcc.dg/graphite/pr42914.c: New. 2010-02-10 Sebastian Pop PR middle-end/42771 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters. * graphite-clast-to-gimple.h (gloog): Update declaration. * graphite-poly.c (new_scop): Clear POLY_SCOP_P. * graphite-poly.h (struct poly_bb): Add missing comments. (struct scop): Add poly_scop_p field. (POLY_SCOP_P): New. * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P. * graphite.c (graphite_transform_loops): Build the polyhedral representation for each scop before code generation. * sese.c (rename_variables_in_operand): Removed. (rename_variables_in_expr): Return the renamed expression. (rename_sese_parameters): New. * sese.h (rename_sese_parameters): Declared. * gcc.dg/graphite/pr42771.c: New. 2010-02-07 Sebastian Pop * gcc.dg/graphite/block-0.c: Call abort for runtime test. Always return 0 from main. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/block-3.c: Same. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-5.c: Same. * gcc.dg/graphite/block-6.c: Same. * gcc.dg/graphite/block-7.c: Same. * gcc.dg/graphite/interchange-0.c: Same. * gcc.dg/graphite/interchange-1.c: Same. * gcc.dg/graphite/interchange-10.c: Same. * gcc.dg/graphite/interchange-11.c: Same. * gcc.dg/graphite/interchange-12.c: Same. * gcc.dg/graphite/interchange-2.c: Same. * gcc.dg/graphite/interchange-3.c: Same. * gcc.dg/graphite/interchange-4.c: Same. * gcc.dg/graphite/interchange-5.c: Same. * gcc.dg/graphite/interchange-6.c: Same. * gcc.dg/graphite/interchange-7.c: Same. * gcc.dg/graphite/interchange-8.c: Same. * gcc.dg/graphite/interchange-9.c: Same. * gcc.dg/graphite/interchange-mvt.c: Same. 2010-02-07 Sebastian Pop * gfortran.dg/graphite/id-19.f: New. * gfortran.dg/graphite/pr14741.f90: New. * gfortran.dg/graphite/pr41924.f90: New. * gfortran.dg/graphite/run-id-2.f90: New. 2010-02-07 Sebastian Pop PR middle-end/42988 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND to unknown_dependence. (graphite_legal_transform_dr): Handle the unknown_dependence. (graphite_carried_dependence_level_k): Same. 2010-02-07 Sebastian Pop * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/. 2010-02-05 Sebastian Pop Konrad Trifunovic PR middle-end/42637 * graphite-dependences.c (build_lexicographical_constraint): Return a union of dependence polyhedra. (dependence_polyhedron_1): Adapt for build_lexicographical_constraint. * gcc.dg/graphite/block-0.c: Enable runtime check. XFAILed. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-7.c: Same. * gcc.dg/graphite/interchange-12.c: Same. * gcc.dg/graphite/interchange-mvt.c: Same. * gfortran.dg/graphite/interchange-1.f: XFAILed. * gfortran.dg/graphite/interchange-3.f90: XFAILed. * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637. 2010-02-03 Sebastian Pop * gcc.dg/graphite/interchange-12.c: Return 0 to avoid the execution check to FAIL. This testcase is miscompiled by Graphite and the check should be re-enabled. * gcc.dg/graphite/interchange-mvt.c: Same. * gcc.dg/graphite/block-0.c: Same. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-7.c: Same. 2010-02-03 Sebastian Pop * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed. * gcc.dg/graphite/scop-0.c: Fix spaces. * gfortran.dg/graphite/block-1.f90: Rewrite expected output. * gfortran.dg/graphite/block-2.f: Same. * gfortran.dg/graphite/block-3.f90: Same. * gfortran.dg/graphite/block-4.f90: Same. * gfortran.dg/graphite/interchange-1.f: Un-XFAILed. * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed. 2010-02-03 Sebastian Pop * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and PDDR_ORIGINAL_SCATTERING_P. (pddr_is_empty): Rewritten. (print_dependence_polyhedron_layout): New. (print_pddr): New. (debug_pddr): New. (build_alias_set_powerset): Moved up. (poly_drs_may_alias_p): Moved up. (lexicographically_gt_p): Removed. (build_lexicographically_gt_constraint): Renamed build_lexicographical_constraint, reimplemented. (dependence_polyhedron_1): Simplified parameters. (dependence_polyhedron): Same. Keep along empty PDDRs to make efficient use of the cache. (reduction_dr_p): Compute the PBBs don't pass them as parameters. (graphite_legal_transform_dr): Rewritten. (graphite_legal_transform_bb): Pass fewer arguments to graphite_legal_transform_dr. (graphite_carried_dependence_level_k): Simplified implementation. (dot_original_deps_stmt_1): Call dependence_polyhedron. (dot_transformed_deps_stmt_1): Same. (dot_original_deps): Same. (dot_transformed_deps): Same. * graphite-dependences.h (struct poly_ddr): Added a new field original_scattering_p. (PDDR_ORIGINAL_SCATTERING_P): New. (print_pddr): Declared. (debug_pddr): Declared. * graphite-ppl.c: Clarify comment. * sese.h (print_gimple_bb): Removed unused declaration. (debug_gbb): Same. 2010-02-03 Sebastian Pop * g++.dg/graphite/graphite.exp: Rewritten. * gcc.dg/graphite/graphite.exp: Rewritten. * gfortran.dg/graphite/graphite.exp: Rewritten. * gcc.dg/graphite/block-0.c: Added runtime test. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/block-3.c: Same. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-5.c: Same. * gcc.dg/graphite/block-6.c: Same. * gcc.dg/graphite/block-7.c: Same. * gcc.dg/graphite/interchange-0.c: Same. * gcc.dg/graphite/interchange-1.c: Same. * gcc.dg/graphite/interchange-10.c: Same. * gcc.dg/graphite/interchange-11.c: Same. * gcc.dg/graphite/interchange-12.c: Same. * gcc.dg/graphite/interchange-2.c: Same. * gcc.dg/graphite/interchange-3.c: Same. * gcc.dg/graphite/interchange-4.c: Same. * gcc.dg/graphite/interchange-5.c: Same. * gcc.dg/graphite/interchange-6.c: Same. * gcc.dg/graphite/interchange-7.c: Same. * gcc.dg/graphite/interchange-8.c: Same. * gcc.dg/graphite/interchange-9.c: Same. * gcc.dg/graphite/interchange-mvt.c: Same. * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run. 2010-01-22 Ramakrishna Upadrasta * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in background. 2010-01-22 Ramakrishna Upadrasta * common.opt: Add -fgraphite-cloog-opts. * graphite-clast-to-gimple.c (set_cloog_options): Same. * opts.c (decode_options): Same. 2010-01-20 Sebastian Pop * gcc.dg/graphite/id-17.c: New. * gcc.dg/graphite/pr41888.c: New. * gcc.dg/graphite/scop-22.c: New. * gfortran.dg/graphite/pr40982.f90: New. 2010-01-20 Sebastian Pop * graphite-dependences.c: Clarify comments. (build_pddr): Add an extra parameter direction. (graphite_legal_transform_dr): Use build_pddr. (dot_original_deps_stmt_1): Update use of build_pddr. (dot_transformed_deps_stmt_1): Same. (dot_original_deps): Same. (dot_transformed_deps): Same. * gcc.dg/graphite/interchange-12.c: New. * gcc.dg/graphite/block-7.c: New. 2010-01-20 Sebastian Pop * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr. (pddr_transformed_scattering): Removed. (graphite_legal_transform_dr): Use build_pddr. (dot_original_deps_stmt_1): Same. (dot_transformed_deps_stmt_1): Same. (dot_original_deps): Same. (dot_transformed_deps): Same. 2010-01-20 Sebastian Pop * graphite-dependences.c (lexicographically_gt_p): Add comments. (build_lexicographically_gt_constraint): Same. (dependence_polyhedron_1): Same. (dependence_polyhedron): Same. 2010-01-20 Sebastian Pop * graphite-dependences.c (build_pairwise_scheduling_equality): Removed. (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling. (lexicographically_gt_p): Change type of direction to int. (build_lexicographically_gt_constraint): Same. (dependence_polyhedron_1): Same. (dependence_polyhedron): Same. (pddr_original_scattering): Use integers for direction. (pddr_transformed_scattering): Same. (graphite_legal_transform_dr): Same. (graphite_carried_dependence_level_k): Same. 2010-01-20 Sebastian Pop * graphite-dependences.c (build_pairwise_constraint): Renamed ppl_build_relation. Moved... (dr_equality_constraints): Use ppl_build_relation. (build_pairwise_scheduling_equality): Same. (build_pairwise_scheduling_inequality): Same. * graphite-ppl.c (ppl_build_relation): ...here. * graphite-ppl.h (ppl_build_relation): Declared. 2010-01-14 Sebastian Pop PR middle-end/42681 * graphite-clast-to-gimple.c (gloog_error): New static variable. (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P. Set gloog_error when such an expression failed to be built. (translate_clast): Early return when gloog_error is set. (gloog): Clear gloog_error. When gloog_error is set, call set_ifsese_condition to enable the original code. Return the status of the code generation based on gloog_error. * sese.c (set_ifsese_condition): New. * sese.h (set_ifsese_condition): Declared. * g++.dg/graphite/pr42681.C: New. 2010-01-14 Sebastian Pop PR middle-end/42732 * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and rename_nb_iterations. * sese.c (rename_variables_in_operand): New. (rename_variables_in_expr): New. (rename_nb_iterations): New. (sese_adjust_liveout_phis): Update the rename_map. * sese.h (rename_nb_iterations): Declared. * tree-scalar-evolution.c (scev_reset_htab): New. (scev_reset): Call scev_reset_htab. * tree-scalar-evolution.h (scev_reset_htab): Declared. * gfortran.dg/graphite/pr42732.f: New. 2010-01-08 Sebastian Pop PR middle-end/42393 * graphite-clast-to-gimple.c: Fix formatting. * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p. (expr_defined_in_loop_p): New. (add_loop_exit_phis): Also handle full expressions: remove from the rename_map the expressions defined in the loop that we're closing. * gfortran.dg/graphite/pr42393-1.f90: New. * gfortran.dg/graphite/pr42393.f90: Add new flags -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also make this testcase useful in the Graphite branch. 2010-01-08 Sebastian Pop * graphite-scop-detection.c (exclude_component_ref): Removed. (is_simple_operand): Removed. (stmt_simple_for_scop_p): Remove use of is_simple_operand. 2010-01-07 Sebastian Pop PR middle-end/42221 * sese.c (expand_scalar_variables_expr): Follow the SSA links into the array indexing of ADDR_EXPRs. * gcc.dg/graphite/pr42221.c: New. 2010-01-07 Sebastian Pop PR middle-end/42521 * graphite.c (graphite_finalize): Call scev_reset. (graphite_transform_loops): Do not call scev_reset between the code generation of scops. * gcc.dg/graphite/pr42521.c: New. 2010-01-07 Sebastian Pop * graphite-interchange.c (memory_stride_in_loop): Renamed pdr_stride_in_loop. (memory_strides_in_loop): Renamed memory_strides_in_loop_1. (memory_strides_in_loop): Memoize the memory strides per loop. (lst_interchange_profitable_p): Do not initialize to zero the memory strides. * graphite-poly.h (struct lst): Add a field memory_strides. (LST_LOOP_MEMORY_STRIDES): New. (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1. (free_lst): Clear LST_LOOP_MEMORY_STRIDES. 2010-01-07 Sebastian Pop * graphite-interchange.c (memory_strides_in_loop_depth): Renamed memory_strides_in_loop. Gather memory strides on a whole loop. (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p. (lst_interchange_profitable_p): Removed. (lst_try_interchange_loops): Call lst_interchange_profitable_p. 2010-01-07 Sebastian Pop Revert patch 2009-11-23 Tobias Grosser * graphite-clast-to-gimple.c (try_mark_loop_parallel): New. (translate_clast_for, translate_clast_guard, translate_clast, gloog): Remove context_loop and level. 2010-01-07 Richard Guenther PR tree-optimization/42641 * sese.c (rename_map_elt_info): Use the SSA name version, do not hash pointers. 2010-01-06 Sebastian Pop * graphite-blocking.c (scop_do_block): Print "SCoP will be loop blocked" only when both the strip mine and the interchange have been applied. * gcc.dg/graphite/block-2.c: Removed. * gcc.dg/graphite/block-3.c: Add scan pattern. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-5.c: Same. * gcc.dg/graphite/block-6.c: Same. 2010-01-06 Sebastian Pop * graphite-clast-to-gimple.c (save_clast_name_index): Free slot before allocating a new one. (copy_renames): Check that slot is not NULL. (mark_bb_with_pbb): Same. (compute_cloog_iv_types_1): Same. * graphite-interchange.c (lst_perfect_nestify): Free the before, nest, and after LSTs. (lst_try_interchange_loops): Same. 2010-01-05 Sebastian Pop PR middle-end/42178 * graphite-interchange.c (lst_try_interchange_loops): Do not return the before, nest, and after LSTs. (lst_try_interchange): Removed. (lst_interchange_select_inner): Do not iterate over the LSTs if they were modified. (lst_interchange_select_outer): Apply interchange on the outer loop until there are no more changes in the inner loops. 2009-12-18 Sebastian Pop Revert patch fixing PR middle-end/42221. 2009-12-18 Sebastian Pop PR middle-end/42180 * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle GIMPLE_CALL. * gfortran.dg/graphite/pr42180.f90: Add compile flags. 2009-12-18 Sebastian Pop PR middle-end/42180 * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks that contain only one statement. * gfortran.dg/graphite/pr42180.f90: New. 2009-12-17 Sebastian Pop PR middle-end/42393 * gfortran.dg/graphite/pr42393.f90: New. 2009-12-17 Sebastian Pop PR middle-end/42186 * gfortran.dg/graphite/pr42186.f90: New. 2009-12-17 Sebastian Pop PR middle-end/42205 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt): Insert the reduction copy in the same block as the phi node. (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs. * gcc.dg/graphite/pr42205-1.c: New. * gcc.dg/graphite/pr42205-2.c: New. 2009-12-17 Sebastian Pop PR middle-end/42221 * sese.c (expand_scalar_variables_expr): Follow the SSA links into the array indexing of ADDR_EXPRs. * gcc.dg/graphite/pr42221.c: New. 2009-12-17 Sebastian Pop PR middle-end/42178 PR middle-end/42334 * graphite-interchange.c (lst_try_interchange): Do not modify OUTER index. Call lst_interchange_select_inner only once. (lst_interchange_select_inner): Update use of lst_try_interchange. (lst_interchange_select_outer): Update. 2009-12-15 Sebastian Pop PR middle-end/42178 PR middle-end/42334 * graphite-interchange.c (lst_try_interchange): Do not increment the the OUTER index when there is no AFTER kernel. Do not increment the OUTER index for after processing the AFTER kernel. (lst_interchange_select_inner): Call lst_try_interchange only on loops. (lst_interchange_select_outer): Do not pass in a pointer to the OUTER index. Do not pass to lst_interchange_select_inner the OUTER index. (scop_do_interchange): Update use of lst_interchange_select_outer. * gfortran.dg/graphite/graphite.exp (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all. * gfortran.dg/graphite/interchange-1.f: Add comment. Clean the graphite dump file. * gfortran.dg/graphite/interchange-2.f: Same. * gfortran.dg/graphite/pr42334-1.f: New. 2009-12-15 Sebastian Pop PR middle-end/42178 PR middle-end/42334 * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs that are empty. (lst_do_interchange_1): Renamed lst_interchange_select_inner. (lst_try_interchange): Reimplemented. (lst_interchange_select_inner): Same. (lst_do_interchange): Renamed lst_interchange_select_outer. Reimplemented. (scop_do_interchange): Update use of lst_interchange_select_outer. * g++.dg/graphite/pr42130.C: Add -fgraphite-identity. * gcc.dg/graphite/block-0.c: Un-XFAILed. * gcc.dg/graphite/pr42211.c: New. * gfortran.dg/graphite/pr42334.f90: New. 2009-12-14 Sebastian Pop PR middle-end/42181 * graphite-scop-detection.c (graphite_can_represent_scev): Handle more carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR. * gfortran.dg/graphite/pr42181.f90: New. 2009-12-12 Sebastian Pop PR middle-end/42284 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs. (detect_commutative_reduction_arg): Simplified. (detect_commutative_reduction): Early return when the argument of the close phi is not of an SSA_NAME. * gcc.dg/graphite/pr42284.c: New. 2009-12-11 Alexander Monakov * dbgcnt.def (graphite_scop): New counter. * graphite.c: Include dbgcnt.h (graphite_transform_loops): Use new counter to limit transformations. 2009-12-08 Sebastian Pop PR middle-end/42285 * graphite-scop-detection.c (graphite_can_represent_init): Also handle more complex MULT_EXPRs containing parameters by recursion on the structure. * gfortran.dg/graphite/pr42285.f90: New. 2009-12-01 Tobias Grosser * g++.dg/graphite/pr42130.C: Fix type. 2009-11-29 Alexander Monakov * g++.dg/graphite/pr42130.C: Correct testcase. 2009-11-28 Tobias Grosser * Merge from mainline (154493:154734). 2009-11-28 Tobias Grosser * Merge from mainline (151362:154491). 2009-11-24 Tobias Grosser * graphite-clast-to-gimple.c (try_mark_loop_parallel, graphite_create_new_loop_guard, translate_clast_for): Fix comments. 2009-11-23 Tobias Grosser PR middle-end/42130 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard, translate_clast_for_loop): New. (translate_clast_for): Add a condition around the loop, to do not execute loops with zero iterations. * g++.dg/graphite/pr42130.C: New. * gcc.dg/graphite/pr35356-2.c: Adapt. 2009-11-23 Tobias Grosser * graphite-clast-to-gimple.c (try_mark_loop_parallel): New. (translate_clast_for, translate_clast_guard, translate_clast, gloog): Remove context_loop and level. 2009-11-23 Tobias Grosser * graphite-clast-to-gimple.c (translate_clast_user, translate_clast_for, translate_clast_guard): Simplify and move common elements to translate_clast(). (translate_clast): Simplify and get common elements. 2009-11-23 Tobias Grosser * graphite-clast-to-gimple.c (translate_clast_user, translate_clast_for, translate_clast_guard): Split out of translate_clast. 2009-11-21 Tobias Grosser * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index, clast_name_to_index, save_clast_name_index, debug_clast_name_index, debug_clast_name_indexes_1, debug_clast_name_indexes, clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h. (clast_name_to_gcc, clast_to_gcc_expression, clast_to_gcc_expression_red, gcc_type_for_clast_expr, gcc_type_for_clast_eq, graphite_translate_clast_equation, graphite_create_guard_cond_expr, graphite_create_new_loop, translate_clast): Add params_index. (initialize_cloog_names): Create parameter strings from scratch, do not reference other strings. (create_params_index): New. (gloog): Initialize params_index. * graphite-scop-detection (free_scops_1): Removed. (limit_scops): Use normal free_scops. * graphite-sese-to-poly.c (save_var_names): Removed. (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES and SESE_PARAMS_INDEX. * sese.c (new_sese, free_sese): Dito. * sese.h (struct sese): Remove params_index, params_names. (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed. 2009-11-20 Sebastian Pop Revert the following patch from 2009-09-14: * graphite-blocking.c: Fix order of includes: tree-chrec.h, then tree-scalar-evolution.h, and then tree-data-ref.h. * graphite-clast-to-gimple.c: Same. * graphite-dependences.c: Same. * graphite-interchange.c: Same. * graphite-poly.c: Same. * graphite-scop-detection.c: Same. * graphite-sese-to-poly.c: Same. * graphite.c: Same. * lambda-code.c: Same. * matrix-reorg.c: Same. * tree-data-ref.c: Same. * tree-if-conv.c: Same. * tree-loop-distribu: Same.: Same. * tree-loop-linear.c: Same. * tree-parloops.c: Same. * tree-predcom.c: Same. * tree-vect-patterns.c: Same. 2009-11-20 Sebastian Pop Revert patch from 2009-09-14. * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite passes at -O1 and below. 2009-11-18 Sebastian Pop PR middle-end/40281 * gcc.dg/graphite/pr40281.c: New. * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride evolutions should not variate in inner loops. 2009-11-18 Sebastian Pop PR middle-end/42050 * gfortran.dg/graphite/pr42050.f90: New. 2009-11-18 Sebastian Pop * graphite-interchange.c (memory_strides_in_loop_depth): New. (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth. 2009-11-18 Sebastian Pop * graphite-blocking.c (scop_do_block): New. * graphite-poly.c (apply_poly_transforms): Call scop_do_block. * graphite-poly.h (scop_do_block): Declared. 2009-11-18 Sebastian Pop * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter depth is the loop nesting depth in the LST. Call psct_dynamic_dim to transform depth into the time_depth before calling pbb_number_of_iterations_at_time. (lst_do_strip_mine): Use a scalar variable instead of recomputing lst_depth. 2009-11-18 Sebastian Pop Reverted the patch for "scattering permutations" from 2009-10-28. * graphite-poly.c (print_permutation): New. (debug_permutation): New. (new_poly_bb): Initialize PBB_PERMUTATION. (free_poly_bb): Free PBB_PERMUTATION. * graphite-poly.h (pbb_permutation_elt_p): Declared. (struct pbb_permutation_elt): New. (PBB_PERMUTATION_ELT_STRIDE): New. (PBB_PERMUTATION_ELT_STRIDED_P): New. (PBB_PERMUTATION_ELT_TIME_DIMENSION): New. (new_pbb_permutation_elt): New. (pbb_permutation_elt_free): New. (struct poly_bb): Add field permutation. (PBB_PERMUTATION): New. (print_permutation): Declared. (debug_permutation): Declared. 2009-11-04 Konrad Trifunovic * graphite-interchange.c (build_partial_difference): New. (memory_stride_in_loop): Refactored the computation of equality constraints into build_partial_difference function. Added support for debugging stride computations. 2009-11-03 Sebastian Pop * graphite-clast-to-gimple.c (gloog): Free if_region, if_region->true_region, and if_region->region. * sese.c (if_region_set_false_region): Free if_region->false_region. (create_if_region_on_edge): Do not use GGC_NEW. (move_sese_in_condition): Remove useless initialization. 2009-11-03 Sebastian Pop * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters for the loops created by the loop distribution. Do not modify the input LSTs. (lst_try_interchange_loops): Same. Use a temporary LST for the transformed schedule. Call lst_update_scattering before data dependence analysis. (lst_try_interchange): Pass an extra parameter INDEX. (lst_do_interchange_1): New. (lst_do_interchange): Call lst_do_interchange_1. (scop_do_interchange): Call lst_update_scattering. * graphite-poly.c (apply_poly_transforms): Do not call lst_update_scattering. * graphite-poly.h (lst_pred): New. (lst_succ): New. (lst_find_first_pbb): Return NULL when not found. (lst_empty_p): New. (lst_insert_in_sequence): Allow LST1 to be NULL. (lst_replace): New. (lst_substitute_3): New. * gcc.dg/graphite/interchange-1.c: XFail. * gcc.dg/graphite/interchange-8.c: XFail. * gcc.dg/graphite/interchange-11.c: XFail. 2009-10-30 Sebastian Pop * graphite-interchange.c (lst_perfectly_nested_p): New. (lst_perfect_nestify): New. (lst_try_interchange_loops): Call store_lst_schedule, lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule. (scop_do_interchange): Avoid redundant legality test. Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE. * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering. * graphite-poly.h (psct_static_dim): New. (lst_dewey_number_at_depth): New. (lst_find_pbb): Restructured. (lst_find_first_pbb): Restructured. (lst_find_last_pbb): New. (lst_contains_p): New. (lst_contains_pbb): New. (lst_create_nest): New. (lst_remove_from_sequence): New. (pbb_update_scattering): New. (lst_update_scattering_under): New. (lst_update_scattering_seq): New. (lst_update_scattering): New. (lst_insert_in_sequence): New. (lst_distribute_lst): New. (lst_remove_all_before_including_pbb): New. (lst_remove_all_before_excluding_pbb): New. 2009-10-30 Sebastian Pop * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice get_loop_exit_edges. 2009-10-30 Sebastian Pop * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed. 2009-10-28 Konrad Trifunovic * graphite-poly.c (print_permutation): New. (debug_permutation): New. (new_poly_bb): Initialize PBB_PERMUTATION. (free_poly_bb): Free PBB_PERMUTATION. * graphite-poly.h (pbb_permutation_elt_p): Declared. (struct pbb_permutation_elt): New. (PBB_PERMUTATION_ELT_STRIDE): New. (PBB_PERMUTATION_ELT_STRIDED_P): New. (PBB_PERMUTATION_ELT_TIME_DIMENSION): New. (new_pbb_permutation_elt): New. (pbb_permutation_elt_free): New. (struct poly_bb): Add field permutation. (PBB_PERMUTATION): New. (print_permutation): Declared. (debug_permutation): Declared. 2009-10-26 Sebastian Pop * graphite-clast-to-gimple.c (gloog): Do not call sese_reset_aux_in_loops. * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an extra argument for domains. Do not use loop->aux. (build_scop_iteration_domain): Initialize and free domains, pass it to build_loop_iteration_domains and extract the information from domains. Do not use loop->aux. * sese.c (sese_reset_aux_in_loops): Removed. * sese.h (sese_reset_aux_in_loops): Removed. 2009-10-26 Sebastian Pop * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up. (dependency_in_loop_p): Same. (translate_clast): Do not use loop->aux. Initialize loop->can_be_parallel. (mark_loops_parallel): Removed. * graphite-clast-to-gimple.h (mark_loops_parallel): Removed. * graphite.c (free_aux_in_new_loops): Removed. (graphite_finalize): Do not call free_aux_in_new_loops. (graphite_transform_loops): Do not call mark_loops_parallel. 2009-10-26 Li Feng * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed. (translate_clast): Pass an extra parameter LEVEL. Call get_scattering_level. * graphite-clast-to-gimple.h (get_scattering_level): New. 2009-10-22 Sebastian Pop * cfgloop.c (alloc_loop): Initialize loop->single_iv. * cfgloop.h (struct loop): New field single_iv. * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use loop->aux anymore: use loop->single_iv. (graphite_loop_normal_form): Moved... (build_graphite_loop_normal_form): Removed. (gloog): Do not call build_graphite_loop_normal_form. (free_aux_in_new_loops): Moved... (mark_loops_parallel): Restructure. * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare. * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here. (scop_canonicalize_loops): New. (build_poly_scop): Call scop_canonicalize_loops. * graphite.c (free_aux_in_new_loops): ...here. 2009-10-22 Sebastian Pop * g++.dg/graphite/graphite.exp: Add the same rules as in gcc.dg/graphite/graphite.exp. 2009-10-22 Sebastian Pop * g++.dg/graphite/id-1.C: New. 2009-10-22 Sebastian Pop * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra argument base_name. (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array. (rewrite_phi_out_of_ssa): Same. (rewrite_cross_bb_scalar_deps): Same. (translate_scalar_reduction_to_array): Same. 2009-10-22 Sebastian Pop * graphite-sese-to-poly.c (build_scop_drs): Disable call to dump_alias_graphs. 2009-10-22 Sebastian Pop * graphite-sese-to-poly.c (dump_alias_graphs): New. (build_scop_drs): Call dump_alias_graphs. 2009-10-22 Sebastian Pop * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE, SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE. (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE, SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE. * graphite-poly.h (free_lst): New. (store_lst_schedule): Free SCOP_SAVED_SCHEDULE. (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE. 2009-10-22 Sebastian Pop * graphite-poly.h (struct scop): Add a field saved_schedule. (SCOP_SAVED_SCHEDULE): New. (store_lst_schedule): New. (restore_lst_schedule): New. (store_scattering): Call store_lst_schedule. (restore_scattering): Call restore_lst_schedule. 2009-10-20 Sebastian Pop * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting. (pdr_add_alias_set): Same. (build_poly_dr): Same. (build_alias_set_optimal_p): Same. (build_base_obj_set_for_drs): Same. Do not store the result of graphds_dfs. 2009-10-20 Sebastian Pop * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize all_components_are_cliques to 1. 2009-10-20 Li Feng * graphite-sese-to-poly.c (free_data_refs_aux): Update to free the new structure. (pdr_add_alias_set): Update retrieving alias_set_num. (build_poly_dr): Update retrieving dr_base_object_set. (partition_drs_to_sets): Remove. (build_alias_set_optimal_p): New. (build_alias_set_for_drs): Rename. (build_scop_drs): Update. * graphite-sese-to-poly.h (struct base_alias_pair): New. (ALIAS_SET_INDEX): Remove. (BASE_OBJECT_SET_INDEX): Remove. 2009-10-20 Sebastian Pop * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL. 2009-10-20 Sebastian Pop * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer loop upper bounds for 1-element arrays at end of structures. * tree-flow.h (array_at_struct_end_p): Declared. * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore. 2009-10-20 Sebastian Pop * g++.dg/graphite/pr41305.C: New. 2009-10-20 Alexander Monakov * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize construction of parameter constraints from loop iteration analysis. * gcc.dg/graphite/run-id-2.c: New test. 2009-10-17 Sebastian Pop * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma and new_cstr. 2009-10-17 Sebastian Pop * graphite-dependences.c (dependence_polyhedron_1): Remove unused gdim dimensions from the DDR polyhedron. 2009-10-17 Sebastian Pop * graphite-dependences.c (pddr_transformed_scattering): New. (dot_original_deps_stmt_1): New. (dot_transformed_deps_stmt_1): New. (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and dot_transformed_deps_stmt_1. (dot_original_deps): New. (dot_transformed_deps): New. (dot_deps_1): Call dot_original_deps and dot_transformed_deps. 2009-10-17 Sebastian Pop * graphite-dependences.c (reduction_dr_1): Remove wrong assert: reduction BBs can have multiple reduction writes to memory. interchange-3.f90 is an example. 2009-10-17 Sebastian Pop * gfortran.dg/graphite/interchange-3.f90: New. 2009-10-17 Sebastian Pop * gcc.dg/graphite/interchange-1.c: Un-XFAILed. 2009-10-17 Sebastian Pop * graphite-dependences.c (dependence_polyhedron_1): Add the context to the dependence polyhedron. 2009-10-17 Sebastian Pop * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize PBB_PDR_DUPLICATES_REMOVED. (new_poly_bb): Same. 2009-10-17 Sebastian Pop * graphite-sese-to-poly.c (find_scop_parameters): Initialize SCOP_CONTEXT. (build_loop_iteration_domains): Extract bounds on parameters based on the data size. (build_scop_context): Do not initialize SCOP_CONTEXT; add new constraints. 2009-10-17 Sebastian Pop * graphite-ppl.c (ppl_min_for_le_polyhedron): New. * graphite-ppl.h (graphite-ppl.h): Declared. 2009-10-17 Sebastian Pop * graphite-ppl.c (ppl_print_linear_expr): New. (debug_ppl_linear_expr): New. * graphite-ppl.h (ppl_print_linear_expr): Declared. (debug_ppl_linear_expr): Declared. 2009-10-16 Sebastian Pop * graphite-interchange.c: Fix comments. * gcc.dg/graphite/block-1.c: Fix comments. 2009-10-16 Sebastian Pop * gcc.dg/graphite/interchange-7.c: Un-XFAILed. * gcc.dg/graphite/interchange-9.c: Un-XFAILed. 2009-10-16 Sebastian Pop Reapply the patch from Alexander Monakov that disappeared during the last merges from trunk. 2009-09-16 Alexander Monakov * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only for ARRAY_REFs. Use array_ref_{low,up}_bound to determine bounds. 2009-10-15 Sebastian Pop * graphite-interchange.c (memory_stride_in_loop): The depth argument corresponds to a dynamic time dimension, so use psct_dynamic_dim to refer to the transformed scattering dimension. 2009-10-15 Sebastian Pop * graphite-interchange.c (memory_stride_in_loop): Fix comments. 2009-10-15 Sebastian Pop * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the root of the LST. * graphite-interchange.c (lst_do_interchange): Avoid interchanging the root of the LST. * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost fake loop. (print_lst): Print the root of LST in a different format. * graphite-poly.h (lst_depth): Adjust to include the root of the LST. 2009-10-15 Sebastian Pop * graphite-poly.c (print_scop): Fix pretty printing of a SCoP. 2009-10-15 Sebastian Pop * doc/passes.texi: Document the Graphite infrastructure. 2009-10-15 Sebastian Pop * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge. (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts, and check the SSA representation. * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193. 2009-10-15 Sebastian Pop * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR. 2009-10-14 Sebastian Pop * gcc.dg/graphite/interchange-11.c: New. 2009-10-14 Sebastian Pop * gcc.dg/graphite/interchange-8.c: Enable loop interchange. 2009-10-14 Sebastian Pop * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -fno-loop-strip-mine and -fno-loop-interchange. (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and -fno-loop-strip-mine. * gfortran.dg/graphite/graphite.exp: Same. 2009-10-14 Sebastian Pop * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK. (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed DEFAULT_FLAGS_GRAPHITE_IDENTITY. (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed DEFAULT_FLAGS_GRAPHITE_INTERCHANGE. (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed DEFAULT_FLAGS_GRAPHITE_SCOP. (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID. (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE. 2009-10-14 Sebastian Pop * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments. 2009-10-14 Konrad Trifunovic Sebastian Pop * graphite-interchange.c (build_linearized_memory_access): Pass an offset as parameter. (memory_stride_in_loop): Include transform scattering in the access functions to be able to querry the strides in the transformed loops. (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim, not the psct_iterator_dim. 2009-10-14 Sebastian Pop * graphite-blocking.c (pbb_do_strip_mine): Removed. (lst_do_strip_mine_loop): New. (lst_do_strip_mine): New. (scop_do_strip_mine): Call lst_do_strip_mine. * graphite-poly.h (lst_add_loop_under_loop): New. (lst_find_first_pbb): New. 2009-10-14 Sebastian Pop * graphite-poly.c (loop_to_lst): Fix LST creation. 2009-10-14 Tobias Grosser * gcc.dg/graphite/id-15.c: (8 * 8) replaced with sizeof(unsigned long) to make it run on 32bit systems. 2009-10-14 Tobias Grosser * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not SEGFAULT on 32bit. 2009-10-14 Ramakrishna Upadrasta * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix Comment. (write_alias_graph_to_ascii_dot): New. (write_alias_graph_to_ascii_ecc): Ditto. (partition_drs_to_sets): Add testing of optimality of current method which assigns alias numbers according to DFS Comopnent number. used as heuristic for the upcoming ECC algorithm. (build_scop_drs): Write to file also with the ecc and dot format. 2009-10-13 Sebastian Pop * gfortran.dg/graphite/interchange-1.f: XFail. 2009-10-13 Sebastian Pop * graphite.c (graphite_initialize): Do not handle functions with more than 100 basic blocks. 2009-10-13 Sebastian Pop * graphite-blocking.c (pbb_do_strip_mine): Use PARAM_LOOP_BLOCK_TILE_SIZE. 2009-10-13 Sebastian Pop * graphite-poly.c (dot_lst_1): New. (dot_lst): New. * graphite-poly.h (dot_lst): Declared. 2009-10-13 Sebastian Pop * graphite-dependences.c (dot_deps_stmt_1): New. (dot_deps_stmt): New. * graphite-dependences.h (dot_deps_stmt): Declared. 2009-10-09 Sebastian Pop * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do not replace cross BB scalar dependences ending on PHI nodes. (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes. 2009-10-09 Sebastian Pop * graphite-poly.c (apply_poly_transforms): Implement the high level driver for flag_loop_block. * opts.c (decode_options): Enable flag_loop_block at -O2. * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for flag_loop_block. * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -floop-block. * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -floop-block. 2009-10-09 Sebastian Pop * graphite-poly.h (lst_find_pbb): New. (find_lst_loop): New. 2009-10-09 Sebastian Pop * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH. * graphite-poly.h (struct scop): Remove dep_graph field. (SCOP_DEP_GRAPH): Removed. 2009-10-09 Sebastian Pop * graphite-poly.h (copy_lst): Do full copy of LST. 2009-10-07 Sebastian Pop * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi when the loop stride is zero. * gcc.dg/graphite/id-16.c: New. 2009-10-06 Sebastian Pop * graphite-dependences.c (reduction_dr_1): New. (reduction_dr_p): New. (graphite_legal_transform_dr): Call reduction_dr_p. (reduction_ddr): Renamed reduction_ddr_p. * graphite-poly.h (same_pdr_p): New. (number_of_write_pdrs): New. * graphite-sese-to-poly.c (nb_data_writes_in_bb): New. (split_reduction_stmt): Do not split reduction statements when there are no writes to memory. (translate_scalar_reduction_to_array_for_stmt): Insert the memory reduction statement just after the scalar reduction statement. * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c. Un-XFAIL-ed. * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed. * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed. 2009-10-06 Sebastian Pop * graphite-interchange.c (lst_apply_interchange): New. (lst_interchange_profitable_p): New. (lst_try_interchange_loops): New. (lst_try_interchange): New. (lst_do_interchange): New. (pbb_do_interchange): Removed. (scop_do_interchange): Call lst_do_interchange. 2009-10-06 Sebastian Pop * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and SCOP_TRANSFORMED_SCHEDULE. (loop_to_lst): New. (scop_to_lst): New. (print_lst): New. (debug_lst): New. * graphite-poly.h (lst_p): New. (struct lst): New. (LST_LOOP_P): New. (LST_LOOP_FATHER): New. (LST_PBB): New. (LST_SEQ): New. (scop_to_lst): Declared. (print_lst): Declared. (debug_lst): Declared. (new_lst_loop): New. (new_lst_stmt): New. (copy_lst): New. (lst_depth): New. (lst_dewey_number): New. (struct scop): Add original_schedule and transformed_schedule fields. (SCOP_ORIGINAL_SCHEDULE): New. (SCOP_TRANSFORMED_SCHEDULE): New. * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst. 2009-10-05 Sebastian Pop * graphite-dependences.c (reduction_ddr): New. (graphite_legal_transform_bb): Call reduction_ddr. * graphite-poly.c (new_poly_bb): Pass a new bool parameter. Initialize PBB_IS_REDUCTION. * graphite-poly.h (struct poly_bb): New bool field is_reduction. (PBB_IS_REDUCTION): New. (new_poly_bb): Update declaration. * graphite-scop-detection.h (build_scop_bbs): Removed. (nb_reductions_in_loop): Removed. * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap parameter for reductions. (try_generate_gimple_bb): Update call to new_poly_bb. (build_scop_bbs_1): Same. (build_scop_bbs): Same. (gsi_for_phi_node): New. (scalar_close_phi_node_p): Remove gcc_assert. (split_reduction_stmt): New. (is_reduction_operation_p): New. (phi_contains_arg): New. (follow_ssa_with_commutative_ops): New. (detect_commutative_reduction_arg): New. (detect_commutative_reduction_assign): New. (follow_inital_value_to_phi): New. (edge_initial_value_for_loop_phi): New. (initial_value_for_loop_phi): New. (detect_commutative_reduction): New. (translate_scalar_reduction_to_array_for_stmt): New. (insert_copyout): New. (insert_copyin): New. (translate_scalar_reduction_to_array): New. (rewrite_commutative_reductions_out_of_ssa_close_phi): New. (rewrite_commutative_reductions_out_of_ssa_loop): New. (rewrite_commutative_reductions_out_of_ssa): New. (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa. * sese.h (split_region_for_bb): New. * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math. * gcc.dg/graphite/interchange-1.c: Fix format. * gcc.dg/graphite/interchange-10.c: New. 2009-10-05 Sebastian Pop * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove buggy assert. 2009-10-05 Sebastian Pop * graphite-sese-to-poly.c (scev_analyzable_p): New. (rewrite_cross_bb_scalar_dependence): New. (rewrite_cross_bb_scalar_deps): New. (rewrite_reductions_out_of_ssa): Use bb_in_sese_p. Call rewrite_cross_bb_scalar_deps. 2009-10-05 Sebastian Pop * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed. (insert_out_of_ssa_copy): Directly use gsi_after_labels and gsi_for_stmt. 2009-10-05 Sebastian Pop * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index. * graphite-interchange.c (pbb_do_interchange): Same. * graphite-poly.c (print_scattering_function): Same. (debug_pdrs): Same. * graphite-poly.h (pbb_loop): New. * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop. 2009-09-27 Sebastian Pop * graphite-scop-detection.c (limit_scops): Do not build poly_bbs. 2009-09-27 Sebastian Pop * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified, so don't pass a pointer to it. (build_alias_set_for_drs): Same. (build_base_obj_set_for_drs): Same. (build_scop_drs): Same. 2009-09-26 Li Feng * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file the alias graph of data references. 2009-09-25 Li Feng * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New. (build_scop_drs): When debugging, write the alias graph to file, otherwise, should be disabled. 2009-09-17 Sebastian Pop * Merge from mainline (151310:151361). 2009-09-17 Sebastian Pop * Merge from mainline (151171:151310). 2009-09-17 Sebastian Pop * Merge from mainline (151171:151806). 2009-09-17 Sebastian Pop * Revert the last commit. 2009-09-17 Sebastian Pop * Merge from mainline (151171:151819). 2009-09-17 Sebastian Pop * graphite-scop-detection.c (stmt_simple_memref_p): Removed. (is_simple_operand): Remove call to stmt_simple_memref_p. (stmt_simple_for_scop_p): Update call to is_simple_operand. 2009-09-17 David Edelsohn * gcc.dg/graphite/interchange-mvt.c: New File. * gcc.dg/graphite/scop-dsyrk.c: New File. * gcc.dg/graphite/scop-dsyr2k.c: New File. * gcc.dg/graphite/scop-mvt.c: New File. * gcc.dg/graphite/scop-sor.c: New File. 2009-09-17 Li Feng * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition. (pddr_original_scattering): Make sure 2 pdr2 in the same base object set. (graphite_carried_dependence_level_k): Ditto. * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET. * graphite-poly.h (struct poly_dr): Add member dr_base_object_set. (new_poly_dr): Adjust declaration. * graphite-sese-to-poly.c (free_data_refs_aux): New. (free_gimple_bb): Added free_data_refs_aux. (build_poly_dr): Add dr_base_object_set. (partition_drs_to_sets): New. (dr_same_base_object_p): New. (build_alias_set_for_drs): New. (build_base_object_set_for_drs): New. (build_scop_drs): Add build_base_obj_set_for_drs. * graphite-sese-to-poly.h: Added #define for alias set number index and base object set index. * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests. * libgomp/testsuite/libgomp.graphite/pr4118.c: New. 2009-09-16 Alexander Monakov * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only for ARRAY_REFs. Use array_ref_{low,up}_bound to determine bounds. 2009-09-14 Sebastian Pop * graphite-sese-to-poly.c (struct irp_data): Removed. (idx_record_params): Removed. (find_params_in_bb): Scan for parameters the access functions; don't parse the tree representation. 2009-09-14 Sebastian Pop * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite passes at -O1 and below. 2009-09-14 Sebastian Pop * graphite-blocking.c: Fix order of includes: tree-chrec.h, then tree-scalar-evolution.h, and then tree-data-ref.h. * graphite-clast-to-gimple.c: Same. * graphite-dependences.c: Same. * graphite-interchange.c: Same. * graphite-poly.c: Same. * graphite-scop-detection.c: Same. * graphite-sese-to-poly.c: Same. * graphite.c: Same. * lambda-code.c: Same. * matrix-reorg.c: Same. * tree-data-ref.c: Same. * tree-if-conv.c: Same. * tree-loop-distribu: Same.: Same. * tree-loop-linear.c: Same. * tree-parloops.c: Same. * tree-predcom.c: Same. * tree-vect-patterns.c: Same. 2009-09-02 Sebastian Pop Partially revert the previous patch, except the following. * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass as parameters the operands of the not expression. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_assign): New. Do not call analyze_scalar_evolution on assignments. (instantiate_scev_phi): Call analyze_scalar_evolution. (instantiate_scev_name): Call instantiate_scev_assign and instantiate_scev_phi. (instantiate_scev_not): Adapted to pass as parameters the operands of the not expression. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_binary): Adapted to pass as parameters the operands of the binary expression. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed instantiate_scev_not. Handle NEGATE_EXPR. (instantiate_scev_r): Handle NEGATE_EXPR. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_1): Renamed instantiate_scev_r. (instantiate_scev_r): Move code in instantiate_scev_2 and instantiate_scev_1. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_3): New. (instantiate_scev_1): Move code in instantiate_scev_3. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_poly): New. (instantiate_scev_1): Move code in instantiate_scev_poly. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_bitnot): New. (instantiate_scev_1): Move code in instantiate_scev_bitnot. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_convert): New. (instantiate_scev_1): Move code in instantiate_scev_convert. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_binary): New. (instantiate_scev_1): Move code in instantiate_scev_binary. 2009-09-01 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_name): New. (instantiate_scev_1): Move code in instantiate_scev_name. 2009-08-28 Sebastian Pop * Merge from mainline (150992:151171). 2009-08-25 Sebastian Pop * opts.c (decode_options): Enable flag_loop_interchange at -O2. 2009-08-25 Sebastian Pop * graphite-dependences.c (graphite_legal_transform_bb): Call pbb_remove_duplicate_pdrs. * graphite-poly.c (can_collapse_pdr): Removed. (pdr_find_duplicate): Removed. (can_collapse_pdrs): New. (pbb_remove_duplicate_pdrs): New. (new_poly_dr): Do not look for duplicates. * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed. (PBB_PDR_DUPLICATES_REMOVED): New. (pbb_remove_duplicate_pdrs): Declared. 2009-08-25 Sebastian Pop * graphite-interchange.c (pbb_interchange_profitable_p): Adjust the strides by multiplying by PDR_NB_REFS. * graphite-poly.c (can_collapse_pdr): New. (pdr_find_duplicate): New. (new_poly_dr): Call pdr_find_duplicate. Collapse duplicate PDRs. Initialize PDR_NB_REFS. * graphite-poly.h (struct poly_dr): Add field nb_refs. (PDR_NB_REFS): New. (new_poly_dr): Number of subscripts is a graphite_dim_t. 2009-08-25 Sebastian Pop Revert one of the previous commits: * graphite-dependences.c (graphite_legal_transform_bb): Avoid the computation of symmetric data dependence relations. (dependency_between_pbbs_p): Same. 2009-08-25 Sebastian Pop PR middle-end/40965 * graphite-poly.c (apply_poly_transforms): Remove legality test before any transform. 2009-08-25 Sebastian Pop * graphite-dependences.c (pddr_original_scattering): Return NULL for read-read dependence relations. * graphite-poly.h (enum poly_dr_type): Fix comment. (pdr_read_p): New. (pdr_write_p): New. (pdr_may_write_p): New. 2009-08-25 Sebastian Pop * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type. (struct poly_dr): Same. (new_poly_dr): Same. * graphite-poly.c (new_poly_dr): Same. 2009-08-25 Konrad Trifunovic Sebastian Pop * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed pbb_strip_mine_time_depth. Changed the implementation so that transformation is expressed as a transformation on time (scatttering) dimensions. Also, ensures that the 2d+1 scheduling format is preserved. (pbb_strip_mine_profitable_p): Profitability is based on the iteration number of a given time (scattering) dimension, and not on a original loop depth dimension. (pbb_strip_mine): Call pbb_number_of_iterations_at_time. (pbb_do_strip_mine): Call psct_dynamic_dim. * graphite-poly.c (pbb_number_of_iterations_at_time): New. * graphite-poly.h (pbb_number_of_iterations_at_time): Declared. (pbb_nb_dynamic_scattering_transform): New. (psct_dynamic_dim): New. 2009-08-25 Konrad Trifunovic * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset. * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset. * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le. * graphite-interchange.c (build_linearized_memory_access): Same. (memory_stride_in_loop): Same. 2009-08-25 Sebastian Pop * graphite-dependences.c (pddr_original_scattering): New. (graphite_legal_transform_dr): Call pddr_original_scattering. (dot_deps_1): New. (dot_deps): New. * graphite-dependences.h (dot_deps): Declared. * graphite-poly.c (new_poly_dr): Initialize PDR_ID. (print_pdr): Print PDR_ID. * graphite-poly.h (struct poly_dr): Add field id. (PDR_ID): New. (pbb_index): New. * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment. 2009-08-22 Sebastian Pop * graphite-dependences.c (graphite_carried_dependence_level_k): Do not delete the original dependence relation. 2009-08-21 Sebastian Pop * graphite-dependences.c (graphite_legal_transform_bb): Avoid the computation of symmetric data dependence relations. (dependency_between_pbbs_p): Same. 2009-08-21 Sebastian Pop * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr. (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p. (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p. (free_poly_ddr): New. (pddr_is_empty): New. (dependence_polyhedron_1): Now returns a poly_ddr_p. (dependence_polyhedron): Same. Remove useless gcc_assert. Remove fprintfs. (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr. (graphite_carried_dependence_level_k): Call pddr_is_empty. * graphite-dependences.h (enum poly_dependence_kind): New. (poly_dr_pair): Renamed poly_ddr. Added a field kind. (PDRP_SOURCE): Renamed PDDR_SOURCE. (PDRP_SINK): Renamed PDDR_SINK. (PDRP_DDP): Renamed PDDR_DDP. (PDDR_KIND): New. (free_poly_ddr): Declared. * graphite-poly.c (new_scop): Use the new hash function names. * graphite-poly.h (struct scop): Renamed field original_pdr_pairs into original_pddrs. (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS. 2009-08-21 Sebastian Pop * Merge from mainline (150764:150992). 2009-08-18 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper bounds with LT_EXPR to make niter analysis more precise on code generated by Graphite. 2009-08-18 Sebastian Pop * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting. (graphite_legal_transform_bb): Same. (poly_drs_may_alias_p): Same. 2009-08-15 Sebastian Pop PR middle-end/40981 * graphite-ppl.c (ppl_max_for_le): Correct the use of ppl_Pointset_Powerset_C_Polyhedron_maximize. 2009-08-13 Sebastian Pop * graphite-poly.c (print_pbb): Print PBB index. 2009-08-13 Sebastian Pop * Merge from mainline (r150672:150764). 2009-08-13 Sebastian Pop * graphite-interchange.c (ppl_max_for_le): Moved... * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le. * graphite-ppl.c (ppl_max_for_le): ... here. * graphite-ppl.h (ppl_max_for_le): Declared. 2009-08-12 Sebastian Pop * Merge from mainline (r150372:150672). 2009-08-11 Sebastian Pop PR middle-end/40980 * sese.c (convert_for_phi_arg): New. (add_guard_exit_phis): Use convert_for_phi_arg. * gfortran.dg/graphite/id-17.f: New. 2009-08-11 Sebastian Pop * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add unknown subscript upper bounds. * gcc.dg/graphite/interchange-6.c: Un-XFAIL. 2009-08-11 Sebastian Pop Pranav Garg * graphite-interchange.c (gather_access_strides): Removed. (ppl_max_for_le): New. (build_linearized_memory_access): New. (memory_stride_in_loop): New. (pbb_interchange_profitable_p): Reimplemented. * graphite-ppl.h (ppl_new_id_map): New. (ppl_interchange): New. * gcc.dg/graphite/interchange-6.c: XFAILed. 2009-08-11 Sebastian Pop * graphite-interchange.c (compute_subscript): Removed. (compute_array_size_cstr): Removed. (compute_array_size_poly): Removed. (compute_array_size): Removed. (gather_access_strides_poly): Removed. (gather_access_strides): Empty. 2009-08-11 Sebastian Pop * graphite-dependences.c (dependence_polyhedron_1): Replace pdr_nb_subscripts with PDR_NB_SUBSCRIPTS. (graphite_legal_transform_dr): Same. (graphite_carried_dependence_level_k): Same. * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts. Initialize PDR_NB_SUBSCRIPTS. (print_pdr_access_layout): Replace pdr_nb_subscripts with PDR_NB_SUBSCRIPTS. * graphite-poly.h (struct poly_dr): Add nb_subscripts field. (PDR_NB_SUBSCRIPTS): New. (pdr_nb_subscripts): Removed. (pdr_dim): Simplified. * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts with PDR_NB_SUBSCRIPTS. 2009-08-11 Sebastian Pop * graphite-interchange.c (compute_array_size): Remove use of PDR_DATA_CONTAINER. * graphite-poly.c (new_poly_dr): Remove argument data_container. Do not initialize PDR_DATA_CONTAINER. (print_pdr): Do not print PDR_DATA_CONTAINER. * graphite-poly.h (struct poly_dr): Remove data_container field. (PDR_DATA_CONTAINER): Removed. * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of PDR_DATA_CONTAINER. (build_poly_dr): Same. 2009-08-11 Sebastian Pop * gcc.dg/graphite/interchange-9.c: New. 2009-08-05 Konrad Trifunovic Sebastian Pop * graphite-dependences.c (graphite_legal_transform_dr): Work on a copy of the dependence polyhedron. Free the temporary objects. (graphite_carried_dependence_level_k): Free unused objects before returning. * gcc.dg/graphite/interchange-1.c: XFAILed. * gcc.dg/graphite/interchange-2.c: XFAILed. * gcc.dg/graphite/interchange-3.c: XFAILed. * gcc.dg/graphite/interchange-4.c: XFAILed. * gcc.dg/graphite/interchange-7.c: XFAILed. 2009-08-05 Sebastian Pop * graphite-blocking.c (scop_do_strip_mine): Call store_scattering. Early return without analyzing the data dependences if no transform has been done. Call restore_scattering if the transform is not legal. (graphite-interchange.c): Same. * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED. (graphite_read_transforms): Initialize PBB_TRANSFORMED. (apply_poly_transforms): Do not gcc_assert that the transform is legal. (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL. Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES, PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING. (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL. * graphite-poly.h (struct poly_scattering): New. (struct poly_bb): Add original, transformed, and saved fields. Remove transformed_scattering, original_scattering, nb_local_variables, and nb_scattering_transform fields. (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New. (poly_scattering_new): New. (poly_scattering_free): New. (poly_scattering_copy): New. (store_scattering_pbb): New. (store_scattering): New. (restore_scattering_pbb): New. (restore_scattering): New. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Initialize PBB_TRANSFORMED and PBB_ORIGINAL. 2009-08-05 Sebastian Pop * graphite-poly.c (print_pbb): Add parentheses in the pretty print. (print_scop): Same. 2009-08-05 Sebastian Pop * Makefile.in (graphite.o): Depends on PREDICT_H. * graphite.c: Include predict.h. (graphite_finalize): Call tree_estimate_probability. * predict.c (predict_loops): Do not call scev_initialize and scev_finalize. (tree_estimate_probability_bb): New. (tree_estimate_probability): Do not initialize loops: move that code to the driver. Call tree_estimate_probability_bb. (tree_estimate_probability_driver): New. (pass_profile): Use tree_estimate_probability_driver. * predict.h (tree_estimate_probability): Declared. 2009-08-05 Sebastian Pop * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN. * graphite-dependences.c (graphite_legal_transform): Add time to TV_GRAPHITE_DATA_DEPS. (dependency_between_pbbs_p): Same. * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New. 2009-08-03 Sebastian Pop * Merge from mainline (r149952:150372). 2009-07-28 Sebastian Pop * ChangeLog.graphite: Fix indenting, white spaces and 80 columns. * graphite-blocking.c: Same. * graphite-clast-to-gimple.c: Same. * graphite-dependences.c: Same. * graphite-poly.c: Same. * graphite-poly.h: Same. * graphite-ppl.c: Same. * graphite-scop-detection.c: Same. * graphite-sese-to-poly.c: Same. * graphite.c: Same. 2009-07-28 Sebastian Pop * graphite-sese-to-poly.c (loop_entry_phi_arg): New. (remove_simple_copy_phi): New. (remove_invariant_phi): New. (simple_copy_phi_p): New. (reduction_phi_p): New. (gsi_for_ssa_name_def): New. (insert_out_of_ssa_copy): New. (insert_out_of_ssa_copy_on_edge): New. (create_zero_dim_array): New. (scalar_close_phi_node_p): New. (rewrite_close_phi_out_of_ssa): New. (rewrite_phi_out_of_ssa): New. (rewrite_reductions_out_of_ssa): New. (build_poly_scop): Call rewrite_reductions_out_of_ssa. * gcc.dg/graphite/id-11.c: New. * gcc.dg/graphite/id-15.c: New. * gcc.dg/graphite/interchange-1.c: Un-XFAIL. * gcc.dg/graphite/interchange-2.c: Un-XFAIL. * gcc.dg/graphite/interchange-3.c: Un-XFAIL. * gcc.dg/graphite/interchange-4.c: Un-XFAIL. * gcc.dg/graphite/interchange-7.c: Un-XFAIL. * gcc.dg/graphite/scop-matmult.c: Un-XFAIL. * gfortran.dg/graphite/id-13.f: New. * gfortran.dg/graphite/id-5.f: New. 2009-07-28 Sebastian Pop * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not check that nb_reductions_in_loop is zero. * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out reduction phi nodes. (nb_reductions_in_loop): Removed. (graphite_can_represent_loop): Do not call nb_reductions_in_loop. * graphite-sese-to-poly.c (phi_node_is_iv): Removed. (bb_contains_non_iv_scalar_phi_nodes): Removed. (scop_contains_non_iv_scalar_phi_nodes): Removed. (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes. 2009-07-28 Sebastian Pop * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate statements that have an empty iteration domain. * gfortran.dg/graphite/id-16.f: New. 2009-07-28 Sebastian Pop * tree-scalar-evolution.c (instantiate_scev_1): Return chrec_dont_know when the result is not above instantiate_below. * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting. * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that the tree has a known scalar evolution. * gfortran.dg/graphite/id-14.f: New. * gfortran.dg/graphite/id-15.f: New. 2009-07-28 Sebastian Pop * sese.c (rename_variables_in_stmt): Pass in an extra parameter insert_gsi. (rename_variables): Keep inserting renames after the ones already inserted. 2009-07-28 Sebastian Pop * graphite-sese-to-poly.c (compare_bb_depths): New. (graphite_sort_dominated_info): New. (build_scop_bbs_1): Call graphite_sort_dominated_info. (build_scop_scattering): Fix comment. 2009-07-28 Sebastian Pop * graphite.c (graphite_finalize): Call print_loops instead of dump_function_to_file. * gcc.dg/graphite/graphite.exp: Fix formatting. * gcc.dg/graphite/pr35356-1.c: New. Look for the number of loops generated in the graphite output file. * gcc.dg/graphite/pr35356-2.c: New. * gcc.dg/graphite/pr35356-3.c: New. XFAILed for now. * gfortran.dg/graphite/id-12.f: New. 2009-07-24 Li Feng * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: Remove 2 XFAIL. 2009-07-24 Li Feng Tobias Grosser * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's alias set number build alias in ACCESSES polyhedron. (build_alias_set_for_drs): New. (build_pbb_drs): Added build_alias_set_for_drs. * graphite-dependences.c (poly_drs_may_alias_p): New. (graphite_carried_dependence_level_k): Check alias information before building polyhedron. 2009-07-24 Tobias Grosser * Makefile.in (lambda-code.o): Fix formatting. 2009-07-24 Tobias Grosser * Merge from mainline (r149350-149952) 2009-07-18 Tobias Grosser * graphite-poly.c (apply_poly_transforms): Move strip_mine before interchange to prepare for loop blocking. 2009-07-18 Tobias Grosser * graphite-poly.c (apply_poly_transforms): Add checks after every transformation. * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already done in apply_poly_transforms. 2009-07-17 Konrad Trifunovic * graphite-dependences.c (build_lexicographically_gt_constraint): Replace RES parameter with *RES. (dependence_polyhedron_1): Pass an address of the parameter RES instead of value of RES. 2009-07-16 Sebastian Pop * graphite.c (graphite_finalize): Fix comment. (graphite_transform_loops): Reset scev info after code generation of each scop. 2009-07-16 Sebastian Pop * graphite.c (graphite_finalize): Call scev_reset. 2009-07-16 Sebastian Pop * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create GBB_CLOOG_IV_TYPES hash table twice. * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs. (add_condition_to_domain): Clear GMP values. 2009-07-16 Sebastian Pop * graphite-dependences.c: Fix formatting. * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER. (pbb_number_of_iterations): Free ppl_Linear_Expression. * graphite-sese-to-poly.c: Fix formatting. * graphite.c (graphite_transform_loops): Create the hash table after the early return. 2009-07-16 Sebastian Pop * gcc.dg/graphite/id-14.c: New. * gcc.dg/graphite/pr40157.c: New. * gfortran.dg/graphite/id-11.f: New. 2009-07-16 Sebastian Pop * graphite-sese-to-poly.c (nb_pbbs_in_loops): New. (build_poly_scop): Return false when there are no pbbs within loops to avoid to pass to cloog scops with no loops. 2009-07-16 Sebastian Pop * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid useless test "i % 2". (build_pbb_scattering_polyhedrons): Fix formatting. (build_poly_dr): Same. * graphite.c (graphite_transform_loops): Restructure. 2009-07-14 Razya Ladelsky * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove reduction_list parameter. (rewrite_all_phi_nodes_with_iv): Same. (canonicalize_loop_ivs): Same. * tree-parloops.c (struct brli): Removed. (build_reduction_list_info): Removed. (build_new_reduction): New. (analyze_reduction_list): Removed. (gather_scalar_reductions): Find reductions instead of phi nodes that can't be canonicalized. (try_create_reduction_list): Remove reduction_list parameter. (gen_parallel_loop): Same. (parallelize_loops): Remove analyze_reductions variable, initialization and free. Change reduction_list htab initialization to reduction_info elements instead of ssa names. Call try_create_reduction_list and gen_parallel_loop without analyzed_reduction argument. * graphite-clast-to-gimple (graphite_loop_normal_form): Call canonicalize_loop_ivs with one less argument. * tree-flow.h (canonicalize_loop_ivs): Remove one argument. 2009-07-14 Konrad Trifunovic * graphite-dependences.c (new_poly_dr_pair): New. (dependence_polyhedron): Renamed into dependence_polyhedron_1. (new_poly_dr_pair): New. (eq_poly_dr_pair_p): New. (hash_poly_dr_pair_p): New. * graphite-dependences.h (struct poly_dr_pair): New. (eq_poly_dr_pair_p): Declared. (hash_poly_dr_pair_p): Declared. * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS. (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS. * graphite-poly.h (struct scop): Add original_pdr_pairs field. * Makefile.in (graphite-poly.o): Add dependence on graphite-dependences.h. 2009-07-14 Sebastian Pop * graphite-scop-detection.c (graphite_can_represent_scev): Do not let polynomials of degree > 1 pass to Graphite. * tree-chrec.c (scev_is_linear_expression): Call evolution_function_is_affine_multivariate_p. * gfortran.dg/graphite/id-10.f90: New. 2009-07-14 Sebastian Pop * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Instantiate scevs varying in outer loops. * gfortran.dg/graphite/id-9.f: Correct testcase. 2009-07-14 Sebastian Pop * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert redundant constraint. 2009-07-14 Sebastian Pop * gcc.dg/graphite/graphite.exp: Fix comments. * gfortran.dg/graphite/graphite.exp: Trigger actions based on the file names as in the C testsuite. * gfortran.dg/graphite/block-1.f90: Fix patterns. * gfortran.dg/graphite/block-2.f: Same. * gfortran.dg/graphite/block-3.f90: Same. * gfortran.dg/graphite/block-4.f90: Same. * gfortran.dg/graphite/id-1.f90: Same. * gfortran.dg/graphite/id-2.f90: Same. * gfortran.dg/graphite/id-3.f90: Same. * gfortran.dg/graphite/id-4.f90: Same. * gfortran.dg/graphite/id-6.f: Same. * gfortran.dg/graphite/id-9.f: Same. * gfortran.dg/graphite/interchange-1.f: Same. * gfortran.dg/graphite/interchange-2.f: Same. * gfortran.dg/graphite/scop-1.f: Same. 2009-07-14 Sebastian Pop * sese.c (expand_scalar_variables_call): New. (expand_scalar_variables_ssa_name): Handle calls in expander. 2009-07-13 Sebastian Pop * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: Expect to see the pattern twice. * gcc.dg/graphite/interchange-0.c: Un-XFAIL. * gcc.dg/graphite/interchange-5.c: Same. * gcc.dg/graphite/interchange-6.c: Same. 2009-07-13 Sebastian Pop * gcc.dg/graphite/id-10.c: New. * gcc.dg/graphite/id-12.c: New. * gfortran.dg/graphite/id-7.f: New. * gfortran.dg/graphite/id-8.f: New. 2009-07-13 Sebastian Pop * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by zero. 2009-07-13 Sebastian Pop * sese.c (rename_variables_in_stmt): Call fold_convert during renaming. 2009-07-13 Sebastian Pop * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion. 2009-07-10 Sebastian Pop * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of building PDR subscripts. 2009-07-10 Sebastian Pop * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the computation of array sizes. 2009-07-10 Sebastian Pop * graphite-sese-to-poly.c (add_param_constraints): Disabled. 2009-07-10 Tobias Grosser * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly, build_pairwise_constraint, dr_equality_constraints, build_pairwise_scheduling_equality, build_pairwise_scheduling_inequality, lexicographically_gt_p, build_lexicographically_gt_constraint, dependence_polyhedron, graphite_legal_transform_dr, graphite_carried_dependence_level_k): Move from NNC_Polyhedron to C_Polyhedron. * graphite-interchange.c (compute_array_size_poly, gather_access_strides): Dito. * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb, free_scop, pbb_number_of_iterations): Dito. * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb, pbb_dim_iter_domain, struct scop): Dito. * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix, new_Cloog_Domain_from_ppl_Polyhedron, new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp, ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset, ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix, ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix, debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito. * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t, new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix, debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons, build_loop_iteration_domains, ppl_constraint_type_from_tree_code, add_condition_to_domain, add_condition_to_pbb, build_scop_context, build_scop_iteration_domain, build_poly_dr): Dito 2009-07-09 Sebastian Pop * gcc.dg/graphite/graphite.exp: Added a rule to execute run-id-*.c files. * gcc.dg/graphite/run-id-1.c: New. 2009-07-09 Sebastian Pop * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the positivity constraint on the symbolic number of iterations. 2009-07-09 Sebastian Pop * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite. 2009-07-09 Sebastian Pop Tobias Grosser * graphite-clast-to-gimple.c (build_scop_context): Removed. (build_cloog_prog): Directly use SCOP_CONTEXT. * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT. (free_scop): Free SCOP_CONTEXT. (print_scop_context): New. (print_scop): Call print_scop_context. (debug_scop_context): New. * graphite-poly.h (print_scop_context, debug_scop_context): Declared. (struct scop): Added field context. (SCOP_CONTEXT): New. * graphite-sese-to-poly.c (add_param_constraints): New. (build_scop_context): New. (build_poly_scop): Call build_scop_context. 2009-07-09 Sebastian Pop * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved... * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New. (ppl_set_inhomogeneous, ppl_set_coef): Moved... * graphite-ppl.h: Include double-int.h and tree.h. (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared. (ppl_set_inhomogeneous, ppl_set_coef): ...here. (gmp_cst_to_tree): ...here. Reimplemented using mpz_get_double_int. (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New. 2009-07-09 Sebastian Pop * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate POINTER_PLUS_EXPR for pointer types. (clast_to_gcc_expression): Same. 2009-07-09 Sebastian Pop * graphite-poly.c (print_scattering_function): Early return when PBB_TRANSFORMED_SCATTERING is not initialized. (print_pbb_domain): Early return when PBB_DOMAIN is not initialized. 2009-07-08 Sebastian Pop * tree-parloops.c (analyze_reduction_list): Remove unused variable to fix bootstrap. 2009-07-08 Razya Ladelsky * tree-parloops.c (analyze_reduction_list): Change return value to void. (try_create_reduction_list): Move the call to analyze_reduction_list to the beginining. Call reduction_phi with analyzed_reductions as argument instead of reduction_list. 2009-07-08 Tobias Grosser * Merge from mainline (r148296:149346) 2009-07-07 Sebastian Pop * graphite-scop-detection.c (graphite_can_represent_init): New. (graphite_can_represent_scev): Call graphite_can_represent_init: check that the initial value does not contain multiplications of parameters. (stmt_has_simple_data_refs_p): New. (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p. (is_simple_operand): Fix formatting. * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting. 2009-07-07 Sebastian Pop * gcc.dg/graphite/id-13.c: New. * graphite-sese-to-poly.c (graphite_stmt_p): Do not call analyze_scalar_evolution, use scalar_evolution_in_region. (scan_tree_for_params_right_scev): Add extra assert. (parameter_index_in_region_1): Split from parameter_index_in_region. (idx_record_params): Use scalar_evolution_in_region. (find_params_in_bb): Same. (find_scop_parameters): Same. (build_loop_iteration_domains): Same. (create_linear_expr_from_tree): Same. * sese.c (scalar_evolution_in_region): New. * sese.h (scalar_evolution_in_region): Declared. (defined_in_sese_p): New. * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not static anymore. * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop): Declared. 2009-07-07 Sebastian Pop * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H. TREE_DATA_REF_H also implies SCEV_H. 2009-07-07 Sebastian Pop * graphite-poly.c (print_scop_params): New. (print_scop): Call print_scop_params. (debug_scop_params): New. * graphite-poly.h (print_scop_params, debug_scop_params): Declared. 2009-07-07 Li Feng * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New. 2009-07-07 Li Feng * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information for dependency checking part. * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add tests for dependency checking. * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto. * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto. * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add flag -fdump-tree-graphite-all for autopar testsuites. 2009-07-06 Sebastian Pop * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h. * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv, canonicalize_loop_ivs): Moved... * tree-ssa-loop-manip.c: ... here. Include langhooks.h. 2009-07-06 Sebastian Pop * tree-parloops.c (try_create_reduction_list): Pass an extra argument analyzed_reductions. Call analyze_reduction_list. (gen_parallel_loop): Do not call analyze_reduction_list. (parallelize_loops): Init and finalize analyzed_reductions. 2009-07-06 Li Feng * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Added flag -fno-loop-strip-mine for autopar testcase. 2009-07-04 Li Feng * graphite-dependences.c (graphite_carried_dependence_level_k): Use transformed scattering dimension instead of unmatch orignal when calling dependence_polyhedron. 2009-06-30 Sebastian Pop * opts.c (decode_options): Enable flag_loop_strip_mine at -O2. 2009-06-30 Sebastian Pop * graphite-poly.c (pbb_number_of_iterations): Check for returned value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize. 2009-06-30 Sebastian Pop * graphite-blocking.c (pbb_strip_mine_profitable_p): New. (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p. * graphite-poly.c (pbb_number_of_iterations): New. * graphite-poly.h (pbb_number_of_iterations): Declared. (pbb_iterator_dim, pbb_parameter_dim): New. 2009-06-29 Sebastian Pop * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the last commit on type of lower and upper bound of loops. 2009-06-29 Li Feng * Makefile.in (graphite-clast-to-gimple.o): Added dependence on graphite-dependences.h. * graphite-clast-to-gimple.c (new_bb_pbb_def): New. (mark_bb_with_pbb): New. (get_stmtfor_depth): New. (find_pbb_via_hash): New. (dependency_in_loop_p): New. (mark_loops_parallel): New. (free_aux_in_new_loops): New. (translate_clast): Add parameter BB_PBB_MAPPING. Mark newly created bb with it's relevant pbb. Mark newly created loops. Remove mark innermost loop parallel without checking. (gloog): Add parameter BB_PBB_MAPPING. * graphite-clast-to-gimple.h (struct bb_pbb_def): New. (gloog): Change declaration. (mark_loop_parallel): Make extern. (free_aux_in_new_loops): Declare. (bb_pbb_map_hash): New. (eq_bb_pbb_map): New. * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger auto parallelization when flag_graphite_force_parallel is set. (graphite_finalize): Added free_aux_in_new_loops. * tree-parloops.c (parallelize_loops): Only generate parallel code for the innermost loop that marked parallel. Use flag_graphite_force_parallel instead of loop->can_be_parallel. (loop_parallel_p): Move inner most checking out of function. 2009-06-26 Sebastian Pop * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the type of lower and upper bound of loops signed long int. 2009-06-26 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit expression outside the loop. 2009-06-26 Sebastian Pop * gcc.dg/graphite/interchange-8.c: New. 2009-06-26 Sebastian Pop * gcc.dg/graphite/interchange-0.c: XFailed. * gcc.dg/graphite/interchange-5.c: XFailed. * gcc.dg/graphite/interchange-6.c: XFailed. 2009-06-26 Sebastian Pop * graphite-interchange.c (compute_array_size_poly): The end of the recursion should return 1. 2009-06-26 Sebastian Pop * graphite-interchange.c (compute_array_size_cstr): Allow the subscript multiplier to be -1. (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES. * graphite-poly.c (new_poly_dr): Takes an extra argument for the data_container. Initializes PDR_DATA_CONTAINER. (print_pdr_access_layout): New. (print_pdr): Call print_pdr_access_layout. Print PDR_DATA_CONTAINER. * graphite-poly.h (struct poly_dr): Adjust comment. Add a new field data_container. (PDR_DATA_CONTAINER): New. (new_poly_dr): Update declaration. * graphite-sese-to-poly.c (pdr_add_data_dimensions): New. (build_poly_dr): Call pdr_add_data_dimensions. 2009-06-26 Sebastian Pop * graphite-poly.h (struct poly_dr): Fix comment. * graphite-sese-to-poly.c (pdr_add_alias_set): New. (pdr_add_memory_accesses): New. (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set. 2009-06-26 Sebastian Pop * graphite-poly.c (print_pdrs, debug_pdrs): New. (print_pbb): Add call to print_pdrs. * graphite-poly.h (print_pdrs, debug_pdrs): Declared. 2009-06-24 Konrad Trifunovic Li Feng * graphite-dependences.c (graphite_carried_dependence_level_k): New. (dependency_between_pbbs_p): New. (lexicographically_gt_p): Assure !empty_p before polyhedron intersection assign. (build_lexicographically_gt_constraint): Correct lexicographically judging. * graphite-dependences.h: New. * Makefile.in (graphite-dependences.o): Add graphite-dependences.h. 2009-06-24 Sebastian Pop * graphite-clast-to-gimple.c (print_clast_stmt): New. (gloog): Print to dump_file the generated clast. * graphite-clast-to-gimple.h (print_clast_stmt): Declared. * graphite-interchange.c (pbb_do_interchange): Fix dump formatting. 2009-06-24 Sebastian Pop * graphite-poly.c (extend_scattering): Increment PBB_NB_LOCAL_VARIABLES by the number of added dimensions. 2009-06-24 Sebastian Pop * graphite-interchange.c (compute_array_size_poly): Added exit of recursion condition. Continue iterating even after the first equality. (compute_array_size): Same. 2009-06-24 Li Feng * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update -fdump-tree-final_cleanup to -fdump-tree-optimized. * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto. * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto. * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto. 2009-06-23 Sebastian Pop * sese.c (expand_scalar_variables_stmt): Expand scalar variables only when the use verifies is_gimple_reg. 2009-06-23 Sebastian Pop * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption. Allocate scaldims after call to unify_scattering_dimensions. 2009-06-23 Sebastian Pop * graphite-clast-to-gimple.c (translate_clast): Fix memory leak. 2009-06-23 Sebastian Pop Albert Cohen * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local variables for the strip mining. 2009-06-23 Sebastian Pop Pranav Garg * Makefile.in (OBJS-common): Added graphite-blocking.o. (graphite-sese-to-poly.o): Moved down to be in lexicographical order. (graphite-blocking.o): New rule. (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order. * graphite-blocking.c: New. * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for flag_loop_strip_mine. (psct_scattering_dim_for_loop_depth): New. * graphite-poly.h (scop_do_strip_mine): Declared. (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES. * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using flag_loop_strip_mine. 2009-06-23 Sebastian Pop * graphite-poly.c (extend_scattering): Avoid initializing and freeing a GMP value and a PPL coefficient at each iteration of a loop. 2009-06-23 Sebastian Pop * graphite-dependences.c (dependence_polyhedron): Do not use pbb_nb_scattering_dims anymore. Use pbb_nb_scattering_orig and pbb_nb_scattering_transform. (graphite_legal_transform_dr): Same. * graphite-poly.c (extend_scattering): Same. (unify_scattering_dimensions): Same. (print_scattering_function): Same. (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and PBB_NB_LOCAL_VARIABLES. * graphite-poly.h (pbb_nb_scattering): Removed declaration. (struct poly_bb): Added nb_local_variables and nb_scattering_transform. (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New. (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New. (pbb_nb_scattering_dims, pbb_nb_scattering): Removed. (pbb_nb_scattering_transform): New. (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES. (psco_scattering_dim): Add assert on parameters. (psct_scattering_dim): Same. (psct_scattering_dim_for_loop_depth): Declared. (psct_local_var_dim): New. (psco_iterator_dim, psco_parameter_dim): Add assert on parameters. (psct_iterator_dim, psct_parameter_dim): Same. To maintain the correct layout, call pbb_nb_local_vars. (psct_add_local_variable, psct_add_scattering_dimension): New. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Initialize PBB_NB_SCATTERING_TRANSFORM. 2009-06-23 Sebastian Pop * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous. (set_coef): Renamed ppl_set_coef. * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared. 2009-06-23 Sebastian Pop * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't test a boolean against 1. * graphite-interchange.c (pbb_interchange_loop_depths): Do not build a new polyhedron for the PBB_TRANSFORMED_SCATTERING. (pbb_do_interchange): Returns true when a transform has been performed. (scop_do_interchange): Same. * graphite-poly.c (apply_poly_transforms): Use the return value of scop_do_interchange. * graphite-poly.h (scop_do_interchange): Update declaration. 2009-06-23 Tobias Grosser * graphite-clast-to-gimple.c (gloog): Reset loop->aux right after last use. * sese.c (sese_reset_aux_in_loops): New. * sese.h (sese_reset_aux_in_loops): New. 2009-06-19 Sebastian Pop * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the multiplier and multiply the constant by the multiplier. (scan_tree_for_params): Bound the multiplier to its MULT_EXPR. (build_poly_dr): Do not use the multiplier to define the subscript. 2009-06-19 Sebastian Pop * graphite-poly.c (new_poly_dr): Pass an extra argument for the compiler's data reference. Initialize PDR_CDR. (print_pdr): Call dump_data_reference. * graphite-poly.h (struct poly_dr): Rename black_box into pbb. Add compiler_dr field. (PDR_BB): Renamed PDR_PBB. (PDR_CDR): New. * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr GCC's data reference representation. * tree-data-ref.c (debug_data_references, debug_data_reference): New. * tree-data-ref.h (debug_data_references, debug_data_reference): Decl. 2009-06-19 Sebastian Pop * graphite-poly.c (print_scattering_function): Also print the layout. * graphite-poly.h (pbb_nb_local_vars): New. 2009-06-19 Sebastian Pop * graphite-poly.c (print_pbb_domain): Also print the layout names. 2009-06-19 Sebastian Pop * graphite-poly.c (print_pdr, debug_pdr): New. * graphite-poly.h (print_pdr, debug_pdr): Declared. (PDR_BASE): Removed. 2009-06-18 Sebastian Pop * gcc.dg/graphite/interchange-{1..7}.c: New avatars of ltrans-{1..6,8}.c. 2009-06-18 Sebastian Pop * graphite-interchange.c (compute_subscript): Allow also -1 in the subscript identification column. (pbb_do_interchange): Print to dump_file that some loops "will be interchanged". Rely on that chain of characters in the testcases. * gcc.dg/graphite/interchange-0.c: New. * gcc.dg/graphite/graphite.exp: Iterate over the testsuite interchange-*.c files and compile them with -floop-interchange. 2009-06-18 Pranav Garg * graphite-interchange.c (interchange_profitable_p): Renamed pbb_interchange_profitable_p. 2009-06-18 Sebastian Pop Harsha Jagasia Pranav Garg * graphite-interchange.c (interchange_profitable_p): Make static. (pbb_interchange_loop_depths, pbb_do_interchange, scop_do_interchange): New. * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange for flag_loop_interchange. * graphite-poly.h (scop_do_interchange): Declared. * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when flag_loop_interchange is used. 2009-06-18 Sebastian Pop * graphite-dependences.c (dependence_polyhedron): Update use of pbb_nb_scattering_dims. * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP. (pbb_nb_scattering): Update use of pbb_nb_scattering_dims. (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim, psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New. 2009-06-16 Sebastian Pop * graphite.c: Cleanup foo. 2009-06-16 Sebastian Pop * Merge from mainline (r143684:148293). * Disabled libpcp until it gets fixed. 2009-06-05 Sebastian Pop Harsha Jagasia * graphite-interchange.c: New. * Makefile.in (graphite-interchange.o): New. * graphite-poly.h (interchange_profitable_p): Declared. * graphite-ppl.h (value_max): New. 2009-06-04 Sebastian Pop * graphite-dependences.c (dependence_polyhedron): Use pdr_dim. * graphite-poly.h: Fix some comments. (pdr_dim): New. (pdr_scop): New. 2009-06-04 Sebastian Pop * graphite-poly.h (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts. (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain. (pdr_accessp_nb_params): Renamed pdr_nb_params. (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim. (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim. (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim. (pdr_accessp_param_dim): Renamed pdr_parameter_dim. (pbb_nb_loops): Renamed pbb_dim_iter_domain. * graphite-clast-to-gimple.c: Same. * graphite-dependences.c: Same. * graphite-poly.c: Same. * graphite-sese-to-poly.c: Same. 2009-06-03 Sebastian Pop * graphite-clast-to-gimple.c (build_iv_mapping): Insert full expressions for an IV rename, as returned by clast_to_gcc_expression. (copy_renames): Rename new_name to expr. * sese.c (debug_rename_elt): Same. (get_rename): Same. (set_rename): Same. (sese_adjust_liveout_phis): Call force_gimple_operand before using the information from the rename map. (rename_variables_in_stmt): Same. (add_loop_exit_phis): Rename new_name to expr. (insert_loop_close_phis): Same. (add_guard_exit_phis): Same. Call force_gimple_operand. * sese.h (struct rename_map_elt): Rename new_name to expr. (new_rename_map_elt): Same. 2009-06-03 Sebastian Pop * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename. * sese.c (set_rename): Make it extern. * sese.h (set_rename): Declared. 2009-06-03 Sebastian Pop * graphite-poly.c (extend_scattering): Free values. * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): Free iterators. (ppl_print_powerset_matrix): Same. * graphite-scop-detection.c (free_scops_1): New. (limit_scops): Call free_scops_1. * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom. (build_poly_dr): Free PPL coefficients. * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs. 2009-06-02 Sebastian Pop * graphite-dependences.c: New. * graphite-data-ref.c: Removed. * graphite-data-ref.h: Removed. * Makefile.in (graphite-data-ref.o): Removed. (graphite-dependences.o): Added. * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h. * graphite-poly.c: Same. Move the data dependence testing to graphite-dependences.c. 2009-05-19 Tobias Grosser * graphite-scop-detection.c (graphite_can_represent_loop): Renamed from graphite_cannot_represent_loop. Code refactored. (scopdet_basic_block_info): Call graphite_can_represent_loop. 2009-05-17 Li Feng * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Cover all the testcases (not only the filtered ones). 2009-05-17 Tobias Grosser * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove unnecessary check. Update comments. Move check for REAL_TYPE here. (harmful_stmt_in_bb): Remove checks for conditions. This is already done in (stmt_simple_for_scop_p). 2009-05-14 Tobias Grosser * graphite.c (print_global_statistics): New. (print_graphite_scop_statistic): New. (print_graphite_statistics): New. (graphite_initialize, graphite_transform_loops): Print statistics. * graphite-scop-detection (build_scops): Print statistics. (print_graphite_scop_statistics): New. (print_graphite_statistics): New. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (struct clast_name_index): Removed. (debug_clast_name_index): Removed. (debug_clast_name_indexes_1): Removed. (debug_clast_name_indexes): Removed. (clast_name_index_elt_info): Removed. (eq_clast_name_indexes): Removed. (clast_name_to_index): Removed. (new_clast_name_index): Removed. (save_clast_name_index): Removed. (save_var_name): Moved... (init_sese_params_index): Removed. (clast_name_to_gcc): Remove use of name_tree. (initialize_cloog_names): Same. (gloog): Do not call init_sese_params_index. * graphite-sese-to-poly.c (save_var_name): ...here. (parameter_index_in_region): New. * sese.c (new_sese): Initialize SESE_PARAMS_NAMES. (parameter_index_in_region): Removed. (is_parameter): Remove use of name_tree. * sese.h (struct name_tree): Removed. (struct sese): Remove use of name_tree. New field params_names. (SESE_PARAMS_NAMES): New. (SESE_PARAMS): Remove duplicate. (parameter_index_in_region): Removed. (sese_nb_params): Remove use of name_tree. (struct clast_name_index): New. (new_clast_name_index): New. (clast_name_to_index): New. (save_clast_name_index): New. (debug_clast_name_index): New. (debug_clast_name_indexes_1): New. (debug_clast_name_indexes): New. (clast_name_index_elt_info): New. (eq_clast_name_indexes): New. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call pbb_to_depth_to_oldiv. Remove call to oldiv_for_loop. (graphite_loop_normal_form): Do not pass region. Do not initialize SESE_OLDIVS. (build_graphite_loop_normal_form): Update call to graphite_loop_normal_form. * sese.c (debug_oldivs): Removed. (new_sese): Do not initialize SESE_OLDIVS. (free_sese): Do not free SESE_OLDIVS. (oldiv_for_loop): Removed. * sese.h (struct sese): Remove old_ivs. (SESE_OLDIVS): Removed. (oldiv_for_loop): Removed. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs, remove ivstack. Remove call to loop_iv_stack_get_iv_from_name, replaced by a call to newivs_to_depth_to_newiv. (clast_to_gcc_expression): Pass newivs, remove ivstack. (clast_to_gcc_expression_red): Same. (gcc_type_for_clast_expr): Same. (gcc_type_for_clast_eq): Same. (graphite_translate_clast_equation): Same. (graphite_create_guard_cond_expr): Same. (graphite_create_new_guard): Same. (graphite_create_new_loop): Same. (build_iv_mapping): Same. (translate_clast): Same. (gloog): Same. (loop_iv_stack_patch_for_consts): Removed. * sese.c (iv_stack_entry_is_constant): Removed. (iv_stack_entry_is_iv): Removed. (loop_iv_stack_push_iv): Removed. (loop_iv_stack_insert_constant): Removed. (loop_iv_stack_pop): Removed. (loop_iv_stack_get_iv): Removed. (loop_iv_stack_get_iv_from_name): Removed. (debug_loop_iv_stack): Removed. (free_loop_iv_stack): Removed. (loop_iv_stack_remove_constants): Removed. * sese.h (iv_stack_entry_kind): Removed. (iv_stack_entry_data_union): Removed. (iv_stack_entry_struct): Removed. (iv_stack_entry_p): Removed. (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant, loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv, loop_iv_stack_get_iv, loop_iv_stack_remove_constants, loop_iv_stack_pop, free_loop_iv_stack): Removed. (gbb_loop_at_index): Fix indenting. (gbb_loop_index): Removed. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp. Call clast_name_to_index. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region, do not pass params. Get params from SESE_PARAMS. (clast_to_gcc_expression): Same. (clast_to_gcc_expression_red): Same. (gcc_type_for_clast_eq): Same. (graphite_translate_clast_equation): Same. (graphite_create_new_loop): Same. * sese.c (rename_variables_in_stmt): Fix comment. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass newivs_index. Call save_clast_name_index. (translate_clast): Pass newivs_index. (gloog): Create and free newivs_index. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (clast_name_index): New structure. (clast_name_index_p): New type. (debug_clast_name_index): New. (debug_clast_name_indexes_1): New. (debug_clast_name_indexes): New. (clast_name_index_elt_info): New. (eq_clast_name_indexes): New. (clast_name_to_index): New. (new_clast_name_index): New. (save_clast_name_index): New. (init_sese_params_index): New. (gloog): Call init_sese_params_index. * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared. * sese.c (new_sese): Initialize SESE_PARAMS_INDEX. (free_sese): Free SESE_PARAMS_INDEX. * sese.h (struct sese): Add params_index. (SESE_PARAMS_INDEX): New. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New. (graphite_create_new_loop): Pass the newivs vector. Push the newly created IV to newivs. (translate_clast): Pass the newivs vector. (gloog): Create and destroy the newivs vector. 2009-05-13 Sebastian Pop * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New. (graphite_loop_normal_form): Initialize loop->aux with the unique IV that has been created. 2009-05-13 Tobias Grosser * tree-chrec.c (evolution_function_right_is_integer_cst): Allow scev with parameters in the base part. They where forbidden exidently. 2009-05-11 Li Feng * gcc.dg/graphite/graphite.exp: Set different default compile options by file names. * gcc.dg/graphite/block{0-6}.c: Remove dg-option line. * gcc.dg/graphite/id-{1-9}.c: Ditto. * gcc.dg/graphite/scop-{0-20}.c: Ditto. * gcc.dg/graphite/scop-matmult.c: Ditto. 2009-05-08 Li Feng * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New. * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New. * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New. 2009-05-07 Tobias Grosser * graphite-scop-detection (build_scops_1): Fix little bug introduced by final cleanup. 2009-05-07 Tobias Grosser * graphite-scop-detection.c (graphite_can_represent_scev): Only allow integer constant strides. (graphite_can_represent_expr): Depend on outermost_loop. (stmt_simple_memref_p, graphite_cannot_represent_loop, harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p, build_scops_1): Same. (scopdet_basic_block_info): Same and insert layered SCoP detection. (try_generate_gimple_bb): Cleanup. (build_scops): Enable data references. * gcc.dg/graphite/id-5.c: New. * gcc.dg/graphite/id-9.c: New. * tree-chrec.c (evolution_function_right_is_integer_cst): New. * tree-chrec.h (evolution_function_right_is_integer_cst): New. 2009-05-06 Tobias Grosser * sese.c (expand_scalar_variables_ssa_name): Only build expressions, that we have not yet built for this SCoP. 2009-05-06 Tobias Grosser * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables for complex numbers. 2009-05-06 Tobias Grosser * graphite-ppl.c: Fix build if cloog is not available. 2009-05-04 Li Feng * tree-parloops.c (loop_parallel_p): Remove construction of NITER and REDUCTION_LIST. (try_get_loop_niter): New. (try_create_reduction_list): New. (parallelize_loops): Bypass the failed checkings in autopar when can_be_parallel in loop structure is set to true. 2009-05-01 Tobias Grosser * gcc.dg/graphite/id-6.c: Update testcase. * gcc.dg/graphite/scop-3.c: Dito. 2009-05-01 Tobias Grosser * graphite-scop-detection.c (stmt_simple_for_scop_p): Enable EQ_EXPR and NE_EXPR again. 2009-04-30 Tobias Grosser * graphite-scop-detection.c (graphite_can_represent_scev): Add check if scev is affine multivariate. (harmful_stmt_in_bb): Check if we can represent the conditions. (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to harmful_stmt_in_bb. * gcc.dg/graphite/id-7.c: New. 2009-04-30 Tobias Grosser * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes): Check all bbs in region, not only the bbs that are represented in GRAPHITE. (build_poly_scop): Add newline. * gcc.dg/graphite/id-8.c: New. 2009-04-30 Li Feng * cfgloop.c (alloc_loop): Initialize can_be_parallel to false when loop initialize. * cfgloop.h (struct loop): Introduce flag can_be_parallel. * common.opt: Declare flag_graphite_force_parallel. * graphite-clast-to-gimple.c (translate_clast): Mark the innermost loop parallel. * graphite-poly.c (apply_poly_transforms): Introduce flag_graphite_force_parallel. * tree-ssa-loop.c (gate_graphite_transforms): ditto. * toplev.c (process_options): ditto and replace a not correctly encoded space. 2009-04-30 Li Feng * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts): Change the call of gbb_loop_at_index and/or gbb_loop_index due to the redefinition. (compute_cloog_iv_types_1): ditto. (build_iv_mapping): ditto. * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related initialization. (free_gimple_bb): Removed GBB_LOOPS related free part. (build_bb_loops): Removed. * sese.h (struct gimple_bb): Removed loops. (GBB_LOOPS): Removed. (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead. (gbb_loop_index): ditto. 2009-04-24 Tobias Grosser * graphite-scop-detection.c (graphite_can_represent_scev): Do not allow non constant strides. * gcc.dg/graphite/scop-20.c: New. 2009-04-24 Sebastian Pop * graphite-scop-detection.c (dot_all_scops): Fix system call return value warning. (dot_scop): Same. 2009-04-24 Sebastian Pop * gcc.dg/graphite/id-6.c: Fix pattern. * gcc.dg/graphite/scop-3.c: Same. 2009-04-24 Sebastian Pop * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly, build_pairwise_constraint, dr_equality_constraints, build_pairwise_scheduling_equality, build_pairwise_scheduling_inequality, lexicographically_gt_p, build_lexicographically_gt_constraint, dependence_polyhedron, graphite_legal_transform_dr, graphite_legal_transform_bb, graphite_legal_transform): New. * graphite-poly.h (graphite_legal_transform): Declared. * graphite-sese-to-poly.c (build_poly_scop): Call to graphite_legal_transform is disabled for the moment. 2009-04-24 Sebastian Pop * graphite-poly.h (pbb_nb_scattering_dims): New. (pbb_nb_scattering): Use it. 2009-04-24 Sebastian Pop * graphite-ppl.c (ppl_insert_dimensions_pointset): Add Pointset_Powerset version of ppl_insert_dimensions. * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared. 2009-04-24 Sebastian Pop * graphite-ppl.c (ppl_insert_dimensions): Fix formatting. 2009-04-24 Sebastian Pop * graphite-poly.h: Fix comment. 2009-04-24 Sebastian Pop * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier. 2009-04-24 Tobias Grosser * sese.c (expand_scalar_variables_stmt): Only iterate over the old statements. 2009-04-24 Tobias Grosser * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New. (graphite_stmt_p): Represent bbs necessary to build the phi nodes of conditions. 2009-04-20 Sebastian Pop * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not handle EQ_EXPR and NE_EXPR. 2009-04-17 Tobias Grosser * graphite-poly.h (poly_dr): Fix comment. 2009-04-09 Sebastian Pop Tobias Grosser * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN with a zero dimension polyhedron. (find_scop_parameters): Move the call to scop_set_nb_params here. (build_loop_iteration_domains): Store in loop->aux the iteration domain polyhedron. (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded by any loop in scop. (build_poly_scop): Do not call scop_set_nb_params. 2009-04-09 Sebastian Pop Tobias Grosser * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to add_condition_to_domain not GT_EXPR. 2009-04-09 Tobias Grosser * graphite-ppl.c (debug_ppl_powerset_matrix): New. * graphite-ppl.h (debug_ppl_powerset_matrix): New. * graphite-sese-to-poly.c (add_condition_to_pbb): Use upper_bound_assign to calculate unions. * gcc.dg/graphite/id-6.c: New. 2009-04-09 Tobias Grosser * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not handle abnormal edges. 2009-04-09 Tobias Grosser * graphite-poly.c (new_poly_dr, free_poly_dr): New. (free_poly_bb): Also free poly_drs. * graphite-poly.h (new_poly_dr, free_poly_dr): New. (poly_dr): Polyhedron to Pointset_Powerset. (pdr_accessp_nb_subscripts): Same. * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build poly_drs. 2009-04-08 Sebastian Pop * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog names into more meaningful names. 2009-04-08 Sebastian Pop * gfortran.dg/graphite/interchange-1.c: New. * gfortran.dg/graphite/interchange-2.c: New. 2009-04-08 Sebastian Pop * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build the reduction_list. * tree-parloops.c (rewrite_phi_with_iv): New. (rewrite_all_phi_nodes_with_iv): New. (canonicalize_loop_ivs): Call them. 2009-04-08 Sebastian Pop * graphite-sese-to-poly.c (try_generate_gimple_bb): Use graphite_find_data_references_in_stmt. * tree-data-ref.c (graphite_find_data_references_in_stmt): New. * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared. 2009-04-08 Sebastian Pop * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames. 2009-04-08 Sebastian Pop * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p instead of bb_in_region. (flag_bb_in_region): Same. Renamed flag_bb_in_sese. (build_sese_conditions): Use flag_bb_in_sese. * sese.c (register_bb_in_sese): Removed. (new_sese): Remove initialization of SESE_REGION_BBS. (free_sese): Do not free SESE_REGION_BBS. * sese.h (struct sese): Remove field region_basic_blocks. (SESE_REGION_BBS): Removed. (bb_in_sese_p): Implement in function of bb_in_region. 2009-04-08 Sebastian Pop * graphite-scop-detection.c (limit_scops): Deal only with single exit loops. 2009-04-08 Tobias Grosser * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR and EQ_EXPR. * graphite-sese-to-poly.c (create_linear_expr_from_tree): New. (add_condition_to_domain): New. (add_condition_to_pbb): New. (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR. * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs. 2009-04-08 Tobias Grosser * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron -> ppl_Pointset_Powerset. * graphite-poly.c (new_poly_bb, free_poly_bb): Same. * graphite-poly.h (poly_bb): poly_bb.domain Same. (pbb_nb_loops): Same. * graphite-sese-to-poly.c (build_loop_iteration_domains, add_conditions_to_domain): Same. * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New. (ppl_print_polyhedron_matrix): ppl_Polyhedron_t -> ppl_const_Polyhedron_t. (ppl_print_powerset_matrix): New. * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_print_powerset_matrix): New. (ppl_print_polyhedron_matrix): Updated. 2009-04-07 Sebastian Pop * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment. 2009-04-07 Sebastian Pop * graphite-poly.c (extend_scattering): Fix indenting. Free cstr. (print_iteration_domains, debug_iteration_domain, debug_iteration_domains): New. * graphite-poly.h (print_iteration_domains, debug_iteration_domain, debug_iteration_domains): Declared. * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix indenting. 2009-04-03 Tobias Grosser Sebastian Pop * graphite-poly.h (print_iteration_domain): New. * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug. (build_sese_conditions_1, build_sese_conditions_after, build_sese_conditions_before): New. (build_sese_conditions): Rewritten. 2009-04-03 Sebastian Pop Tobias Grosser Cleanup of code generation liveouts. * graphite-clast-to-gimple.c (translate_clast): Use a single rename_map instead of one per translated statement. Do not use SESE_LIVEOUT_RENAMES. (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST. (gloog): Do not use SESE_LIVEOUT_RENAMES. * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close phi node of a reduction: when a loop contains a reduction used outside the loop, there should be a scalar close phi node on the exit block. * sese.c (new_sese): Do not initialize SESE_LIVEOUT, SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST. (free_sese): Do not free them. (sese_build_liveouts_use): Do not use them. (sese_build_liveouts_bb): Same. (sese_build_liveouts): Same. (sese_insert_phis_for_liveouts): Same. (sese_adjust_phis_for_liveouts): Same. Renamed sese_adjust_liveout_phis. (defined_in_loop_p): New. (alive_after_loop): New. (close_phi_not_yet_inserted_p): New. (struct alep, alep_p): New. (add_loop_exit_phis): Remove from the rename_map all the names defined in the code generated loop. (insert_loop_close_phis): Traverse the rename_map passed to it. Don't use SESE_LIVEOUT_RENAMES. (default_liveout_before_guard): Renamed default_before_guard. (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES. (graphite_copy_stmts_from_block): Do not directly call set_rename. (register_sese_liveout_renames): Removed. (copy_bb_and_scalar_dependences): Do not call it. * sese.h (struct sese): Removed fields: liveout, liveout_renames, and reduction_list. (SESE_LIVEOUT): Removed. (SESE_LIVEOUT_RENAMES): Removed. (SESE_REDUCTION_LIST): Removed. (sese_build_liveouts): Removed. (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis. (insert_loop_close_phis): Pass a htab_t instead of a sese. (insert_guard_phis): Same. (rename_map_elt): Declare a VEC of them. * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains trees not pointers to trees. Rewrite in canonical close SSA form: * graphite-scop-detection.c (contains_only_close_phi_nodes): New. (limit_scops): Close the scop after the block containing the close phi nodes. (canonicalize_loop_closed_ssa): New. (canonicalize_loop_closed_ssa_form): New. (build_scops): Call canonicalize_loop_closed_ssa_form. * graphite-sese-to-poly.c: Fix typos. 2009-04-03 Sebastian Pop * graphite-poly.c (print_scattering_function, print_pbb_domain): Extended. (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New. (print_pbb): Add conditions. 2009-04-01 Tobias Grosser Sebastian Pop * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region. * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New. (build_scop_bbs_1): New. (build_scop_bbs): Rewrite. * sese.h (bb_in_region): New. 2009-03-29 Tobias Grosser * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free poly_drs vector. (print_scop): Style. * graphite-poly.h (poly_bb): Add drs vector. (PBB_DRS): Add accessor. * graphite-sese-to-poly.c (build_poly_dr): New. (build_pbb_drs, build_scop_drs): New. (build_poly_scop): call build_scop_drs (Disabled at the moment). 2009-03-29 Tobias Grosser * tree-ssa-loop.c: Include forgotten toplev.h 2009-03-29 Tobias Grosser * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable. * gcc.dg/graphite/pr37883.c: Remove -floop-* * gcc.dg/graphite/pr37928.c: Same * gcc.dg/graphite/pr38409.c: Same * gcc.dg/graphite/pr38498.c: Same * gcc.dg/graphite/pr38559.c: Same * gcc.dg/graphite/pr39335.c: Same * gcc.dg/graphite/pr39335_1.c: Same * gfortran.dg/graphite/block-2.f: Same * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called with -floop-*. 2009-03-28 Tobias Grosser * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af, build_access_matrix, build_scop_data_accesses): Remove access function building. (We get a new version soon). (build_bb_loops, scan_tree_for_params_right_scev): Update. * sese.h (nb_loops_around_loop_in_sese): Remove. (sese_loop_depth): Do not use SESE_LOOP_NEST any more. 2009-03-27 Tobias Grosser Sebastian Pop * graphite-scop-detection.c (struct scopdet_info): Rename last field to exit. (scopdet_basic_block_info, build_scops_1): Don't use CDI_POST_DOMINATORS. CDI_POST_DOMINATORS should never be used. 2009-03-26 Tobias Grosser Sebastian Pop * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts. * sese.c (sese_build_liveouts_use): Renamed from sese_build_livein_liveouts_use. Remove liveins. (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb. Call sese_build_liveouts_use. (sese_build_liveouts): Renamed from sese_build_livein_liveouts. Call sese_build_liveouts_bb. (new_sese, free_sese): Remove liveins. (sese_add_exit_phis_var): Deleted. (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge directly. (graphite_copy_stmts_from_block): Remove SESE_NUM_VER. * sese.h (sese): Remove num_ver and livein. (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed. 2009-03-25 Tobias Grosser * graphite-sese-to-poly.c (build_scop_scattering): Fix compile. 2009-03-25 Tobias Grosser * graphite-sese-to-poly.c (compare_prefix_loops): Removed. (build_scop_scattering): Do not use compare_prefix_loops any more. (nb_common_loops): New. 2009-03-24 Sebastian Pop * sese.c (get_new_name_from_old_name): Renamed get_rename. (register_old_and_new_names): Renamed set_rename. 2009-03-24 Sebastian Pop * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal of the decl from the previous commit. 2009-03-24 Sebastian Pop * graphite-scop-detection.c (dot_scop): New. * graphite-scop-detection.h (dot_scop): Declared. 2009-03-24 Sebastian Pop * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare. 2009-03-24 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit condition at the end of the loop. * graphite.c (graphite_initialize, graphite_finalize): Print to dump_file the compiled function. * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use of create_empty_loop_on_edge. (translate_clast): Update the code generation of loops for the new shape of loops. * cfgloop.h (create_empty_loop_on_edge): Update declaration. 2009-03-24 Sebastian Pop Reverted the patch from 2009-03-19. 2009-03-19 Tobias Grosser * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free poly_drs vector. (print_scop): Style. * graphite-poly.h (poly_bb): Add drs vector. (PBB_DRS): Add accessor. * graphite-sese-to-poly.c (ref_nb_loops): Remove. (build_access_matrix_with_af, build_access_matrix, build_scop_data_accesses): Delete. (build_poly_dr): New. (build_pbb_drs, build_scop_drs): New. (build_poly_scop): call build_scop_drs. 2009-03-13 Sebastian Pop * graphite-scop-detection.c (dot_all_scops_1): Close the table once per basic block. 2009-03-13 Tobias Grosser * graphite-scop-detection.c (graphite_can_represent_scev): New. (graphite_can_represent_expr): Renamed from loop_affine_expr and enhanced. (stmt_simple_for_scop_p): Call graphite_can_represent_expr. (graphite_cannot_represent_loop): Add scop_entry to parameters. (scopdet_basic_block_info): Actually define entry_block. (stmt_simple_memref_p): Moved here from ... * tree-data-ref.c (stmt_simple_memref_p): here. * tree-data-ref.h (stmt_simple_memref_p): Removed. 2009-03-13 Tobias Grosser * gcc.dg/graphite/id-4.c: New. 2009-03-12 Sebastian Pop * sese.c (expand_scalar_variables_expr): Handle tcc_comparison. (register_old_and_new_names): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (copy_bb_and_scalar_dependences): Do rename_variables after expand_scalar_variables. * graphite-clast-to-gimple.c (build_iv_mapping): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (translate_clast): Pass the rename_map. Do not initialize and free a rename_map per stmt_user. (gloog): Initialize and free one rename_map and pass it to translate_clast. 2009-03-12 Sebastian Pop * sese.c (expand_scalar_variables_stmt, expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator parameter. (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR. (expand_scalar_variables): Pass to expand_scalar_variables_stmt the gimple_stmt_iterator of the statement to be expanded. * graphite-scop-detection.c (is_simple_operand): Do handle REALPART_EXPR. 2009-03-11 Tobias Grosser * graphite-scop-detection.c (is_simple_operand): Do not handle REALPART_EXPR. * gcc.dg/graphite/id-2.c: New. * graphite-sese-to-poly.c (build_bb_loops, add_value_to_dim, scan_tree_for_params_right_scev, scan_tree_for_params_int, scan_tree_for_params, idx_record_params, find_params_in_bb, build_loop_iteration_domains, add_conditions_to_domain): Remove subtract. 2009-03-11 Tobias Grosser * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts, build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog): pbb_loop_at_index -> gbb_loop_at_index. * graphite-poly.c (new_poly_bb, new_scop): New accessors. (debug_loop_vec): Delete. * graphite-poly.h (poly_bb, scop): Change black_box and region to void pointer. Move LOOPS to gimple_bb_p and insert nb_params. (PBB_LOOPS): Removed. (PBB_BLACK_BOX): Insert cast. (pbb_set_black_box): New setter. (pbb_loop_at_index, pbb_loop_index): Removed. (scop_set_region, scop_set_nb_params): New. * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb, build_scop_scattering, build_bb_loops): Add GBB_LOOPS. (build_poly_scop): Use scop_set_nb_params. * sese.h (gimple_bb): Add LOOPS. (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New. 2009-03-11 Tobias Grosser Revert previous commit. 2009-03-11 Sebastian Pop * sese.c (expand_scalar_variables_expr): Handle tcc_comparison. (register_old_and_new_names): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (copy_bb_and_scalar_dependences): Do rename_variables after expand_scalar_variables. * graphite-clast-to-gimple.c (build_iv_mapping): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (translate_clast): Pass the rename_map. Do not initialize and free a rename_map per stmt_user. (gloog): Initialize and free one rename_map and pass it to translate_clast. 2009-03-11 Tobias Grosser Remove forgotten line in revert. 2009-03-11 Sebastian Pop Revert previous commit. 2009-03-10 Sebastian Pop * sese.c (register_old_and_new_names): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (copy_bb_and_scalar_dependences): Do rename_variables after expand_scalar_variables. * graphite-clast-to-gimple.c (build_iv_mapping): Update the content of the map. When there was already a rename_map_elt in the map at that location, free it. (translate_clast): Pass the rename_map. Do not initialize and free a rename_map per stmt_user. (gloog): Initialize and free one rename_map and pass it to translate_clast. 2009-03-10 Sebastian Pop * graphite-clast-to-gimple.c (translate_clast): context_loop is never NULL. 2009-03-10 Tobias Grosser Sebastian Pop * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake of the use of ppl_Polyhedron_map_space_dimensions. 2009-03-10 Tobias Grosser Sebastian Pop * graphite-poly.c (unify_scattering_dimensions): Fix types. * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB, PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts, pdr_accessp_nb_iterators, pdr_accessp_nb_params, pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim, pdr_accessp_iterator_dim, pdr_accessp_param_dim, pbb_nb_params): New. (pbb_nb_loops, pbb_nb_scattering, scop_nb_params, nb_loops_around_pbb): Adapt return types. 2009-03-09 Tobias Grosser * Makefile.in (graphite.o, graphite-sese-to-poly.o, graphite-clast-to-gimple.o, graphite-data-ref.o, graphite-scop-detection.o, graphite-poly.o): Add more headers. 2009-03-05 Tobias Grosser * Makefile.in (graphite.o, graphite-sese-to-poly.o, graphite-clast-to-gimple.o, graphite-data-ref.o, graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h. 2009-03-04 Tobias Grosser * gcc.dg/graphite/pr37485.c: Remove -floop-block * gcc.dg/graphite/pr37828.c: Same. * gcc.dg/graphite/pr37684.c: Same. * gcc.dg/graphite/block-0.c: Same. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/block-2.c: Same. * gcc.dg/graphite/block-3.c: Same. * gcc.dg/graphite/block-4.c: Same. * gcc.dg/graphite/block-5.c: Same. * gcc.dg/graphite/block-6.c: Same. * gfortran.dg/graphite/pr38083.f90: Same. * gfortran.dg/graphite/block-1.f90: Same. * gfortran.dg/graphite/block-3.f90: Same. * gfortran.dg/graphite/pr37852.f90: Same. * gfortran.dg/graphite/block-4.f90: Same. * gfortran.dg/graphite/pr37980.f90: Same. * gfortran.dg/graphite/pr38953.f90: Same. * gfortran.dg/graphite/pr37857.f90: Same. * opts.c: Remove -floop-block from -O2. * graphite-poly.c: Fail if -floop-block -floop-interchange or -floop-strip-mine are used. 2009-03-04 Tobias Grosser Sebastian Pop * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering dimensions. * graphite-poly.c (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine, strip_mine_profitable_p, is_interchange_valid, graphite_trans_bb_block, graphite_trans_loop_block, graphite_trans_scop_block): Temporary removed. (extend_scattering, unify_scattering_dimensions): New. (print_scattering_function, graphite_read_transforms): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING. (graphite_generate_scattering_fns): Removed. (apply_poly_transforms): Cleanup. (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING. (schedule_to_scattering): Moved. (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed. (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New. (pbb_nb_scattering): New. (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS, SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES): Removed. * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from shift_poly. (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING. * graphite-scop-detection.c (dot_all_scops_1): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING. * graphite-sese-to-poly.c (build_scop_bbs): Remove region. (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering. (build_scop_scattering): Renamed from build_scop_canonical_schedules. (check_poly_representation): Do not return bool. (graphite_transform_loops): Reformat. * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New. 2009-03-04 Sebastian Pop * graphite-poly.c (print_pbb_domain, print_pbb, print_scop, debug_pbb_domain, debug_pbb, debug_scop): New. * graphite-poly.h (print_pbb_domain, print_pbb, print_scop, debug_pbb_domain, debug_pbb, debug_scop): Declared. 2009-03-02 Sebastian Pop PR middle-end/39335 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert when the type precision of the induction variable should be larger than the type precision of nit. (gen_parallel_loop): Update use of canonicalize_loop_ivs. * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same. * tree-flow.h (canonicalize_loop_ivs): Update declaration. * gcc.dg/graphite/pr39335_1.c: New. * gcc.dg/graphite/pr39335.c: New. 2009-03-02 Sebastian Pop * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains SSA_NAMES not struct reduction_info. 2009-03-02 Sebastian Pop * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR. 2009-02-27 Sebastian Pop Tobias Grosser * sese.c (new_sese): Initialize SESE_REDUCTION_LIST. (free_sese): Free SESE_REDUCTION_LIST. * sese.h (struct sese): Add field reduction_list. (SESE_REDUCTION_LIST): New. * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call canonicalize_loop_ivs on SESE_REDUCTION_LIST. 2009-02-27 Sebastian Pop Tobias Grosser * tree-flow.h (gather_scalar_reductions): Use struct loop * instead of loop_p. 2009-02-27 Sebastian Pop Tobias Grosser * tree-parloops.c (struct brli, build_reduction_list_info, analyze_reduction_list, gather_scalar_reductions): New. (loop_parallel_p): Build a reduction list containing only PHI_RESULT SSA_NAMEs: call gather_scalar_reductions. (gen_parallel_loop): Call the analysis analyze_reduction_list. (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs. * tree-flow.h (gather_scalar_reductions): Declared. 2009-02-26 Sebastian Pop PR middle-end/39308 * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call number_of_iterations_exit from a gcc_assert. 2009-02-25 Sebastian Pop Jan Sjodin * output.h (graphite_out_file, graphite_in_file): Declared. * toplev.c (graphite_out_file, graphite_in_file): New. (init_asm_output): Initialize graphite_in_file and graphite_out_file. * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING. Don't call schedule_to_scattering. * common.opt (fgraphite-write, fgraphite-read): New. * graphite-poly.c: Include output.h. (print_scattering_function, print_scattering_functions, debug_scattering_function, debug_scattering_functions, graphite_write_transforms, graphite_read_transforms, graphite_generate_scattering_fns): New. (apply_poly_transforms): Do not apply transform if flag_graphite_read. Call graphite_generate_scattering_fns, graphite_write_transforms, graphite_read_transforms. (new_poly_bb): Initialize PBB_SCATTERING. (free_poly_bb): Free PBB_SCATTERING. (schedule_to_scattering): Does not return, initialize PBB_SCATTERING. * graphite-poly.h (struct poly_bb): Add field scattering. (PBB_SCATTERING): New. (print_scattering_function, print_scattering_functions, debug_scattering_function, debug_scattering_functions): Declared. * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain GMP values, not integers! (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix, ppl_read_polyhedron_matrix): New. * graphite-ppl.h (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix, ppl_read_polyhedron_matrix): Declared. * Makefile.in (graphite-poly.o): Depends on output.h. 2009-02-23 Sebastian Pop Tobias Grosser Revert this change: * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze scalar evolutions in the scop_entry->loop_father. 2009-02-23 Sebastian Pop Tobias Grosser * graphite.h (ref_nb_loops): Remove declaration. (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS, GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb, debug_gbb): Moved to sese.h. * sese.h: As said. 2009-02-23 Sebastian Pop Tobias Grosser * graphite-data-ref.[ch]: Disable. 2009-02-23 Sebastian Pop Tobias Grosser * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze scalar evolutions in the scop_entry->loop_father. 2009-02-23 Sebastian Pop * graphite-scop-detection.c (nb_reductions_in_loop): Moved here... (graphite_cannot_represent_loop_niter): Renamed graphite_cannot_represent_loop. Call nb_reductions_in_loop. (limit_scops): build_sese_loop_nests does not return a bool. * graphite-scop-detection.h (nb_reductions_in_loop): Declared. * sese.c (nb_reductions_in_loop): ... from here. (graphite_loop_normal_form): ... from here. (sese_record_loop): Does not fail, so does not return a bool. (build_sese_loop_nests): Same. * sese.h (build_sese_loop_nests): Update declaration. * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here... (build_graphite_loop_normal_form): New. (gloog): Call build_graphite_loop_normal_form. * graphite-sese-to-poly.c (build_poly_scop): Don't fail on build_sese_loop_nests. * gcc.dg/graphite/id-1.c: New. 2009-02-23 Sebastian Pop Tobias Grosser * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST. The SCoP detection fix is sufficient. 2009-02-21 Sebastian Pop PR tree-optimization/39260 * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when the basic block contains a condition with a real type. * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST. * gcc.dg/graphite/pr39260.c: New. 2009-02-21 Sebastian Pop * graphite-poly.c: Inlcude params.h. (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for the size of a tile. * Makefile.in (graphite-poly.o): Depend on PARAMS_H. * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define. 2009-02-20 Sebastian Pop Tobias Grosser * graphite-scop-detection.c (dot_all_scops_1, dot_all_scops): Moved here. * graphite-scop-detection.h (dot_all_scops): Declared here. * graphite.c (graphite_initialize, graphite_finalize): New. (graphite_transform_loops): Cleaned up. * sese.c (debug_oldivs): Moved here. * graphite-poly.c (graphite_apply_transformations): Renamed apply_poly_transforms. (debug_loop_vec): Moved here. * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1, scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions, find_scop_parameters, build_scop_iteration_domain, add_conditions_to_constraints, build_scop_canonical_schedules, build_scop_data_accesses): Now static. (build_poly_scop, check_poly_representation): New. 2009-02-20 Sebastian Pop * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb, remove_gbbs_in_scop, free_scops, try_generate_gimple_bb, build_scop_bbs, ref_nb_loops, compare_prefix_loops, build_scop_canonical_schedules, build_bb_loops, add_value_to_dim, scan_tree_for_params_right_scev, scan_tree_for_params_int, scan_tree_for_params, struct irp_data, dx_record_params, find_params_in_bb, find_scop_parameters, gbb_from_bb, build_loop_iteration_domains, add_conditions_to_domain, phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes, scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1, build_sese_conditions, add_conditions_to_constraints, build_scop_iteration_domain, build_access_matrix_with_af, build_access_matrix, build_scop_data_accesses): Moved to graphite-sese-to-poly.c. * graphite-sese-to-poly.c: New. * graphite-sese-to-poly.h: New. * Makefile.in: Add new rule for graphite-sese-to-poly.o. 2009-02-20 Sebastian Pop * graphite.c: Split graphite code generation to a new file. (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc, max_precision_type, clast_to_gcc_expression_red, clast_to_gcc_expression, gcc_type_for_clast_expr, gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts, graphite_translate_clast_equation, graphite_create_guard_cond_expr, graphite_create_new_guard, clast_get_body_of_loop, gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop, graphite_create_new_loop, build_iv_mapping, copy_renames, translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1, compute_cloog_iv_types, free_scattering, save_var_name, initialize_cloog_names, build_scop_context, build_cloog_prog, set_cloog_options, debug_clast_stmt, scop_to_clast, print_generated_program, debug_generated_program, gloog): Moved to graphite-clast-to-gimple.c. (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h. (iv_stack_entry_is_constant, iv_stack_entry_is_iv, loop_iv_stack_push_iv, loop_iv_stack_insert_constant, loop_iv_stack_pop, loop_iv_stack_get_iv, loop_iv_stack_get_iv_from_name, debug_loop_iv_stack, free_loop_iv_stack, loop_iv_stack_remove_constants, debug_rename_elt, debug_rename_map_1, debug_rename_map, rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info, eq_ivtype_map_elts, sese_add_exit_phis_edge, sese_add_exit_phis_var, sese_insert_phis_for_liveouts, get_vdef_before_sese, sese_adjust_vphi, get_new_name_from_old_name, sese_adjust_phis_for_liveouts, oldiv_for_loop, rename_variables_in_stmt, is_parameter, is_iv, expand_scalar_variables_ssa_name, expand_scalar_variables_expr, expand_scalar_variables_stmt, expand_scalar_variables, rename_variables, remove_condition, get_true_edge_from_guard_bb, get_false_edge_from_guard_bb, add_loop_exit_phis, insert_loop_close_phis, struct igp, default_liveout_before_guard, add_guard_exit_phis, insert_guard_phis, register_old_and_new_names, graphite_copy_stmts_from_block, register_sese_liveout_renames, copy_bb_and_scalar_dependences, outermost_loop_in_sese, if_region_set_false_region, create_if_region_on_edge, move_sese_in_condition): Moved to sese.c. (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry, if_region_exit, if_region_get_condition_block, struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind, union iv_stack_entry_data_union, struct iv_stack_entry_struct, iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt, ivtype_map_elt, new_ivtype_map_elt, recompute_all_dominators): Moved to sese.h. * graphite-clast-to-gimple.c: New. * graphite-clast-to-gimple.h: New. * Makefile.in: Add new rule for graphite-clast-to-gimple.o. * sese.c: Modified as said above. * sese.h: Same. 2009-02-20 Sebastian Pop * graphite.c: Split scop detection to a new file. (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region, move_sd_regions, loop_affine_expr, exclude_component_ref, is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb, graphite_cannot_represent_loop_niter, struct scopdet_info, scopdet_basic_block_info, build_scops_1, bb_in_sd_region, find_single_entry_edge, find_single_exit_edge, create_single_entry_edge, sd_region_without_exit, create_single_exit_edge, unmark_exit_edges, mark_exit_edges, create_sese_edges, build_graphite_scops, limit_scops, build_scops): Moved to graphite-scop-detection.c. * graphite-scop-detection.c: New. * graphite-scop-detection.h: New. * Makefile.in: Add new rule for graphite-scop-detection.o. * sese.c: Include tree-chrec.h, tree-data-ref.h, and tree-scalar-evolution.h. (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop, build_sese_loop_nests): Moved here from graphite.c. (param_index): Renamed parameter_index_in_region. 2009-02-18 Tobias Grosser Sebastian Pop * gcc.dg/graphite/block-0.c: Expected to fail now. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/block-5.c: Same. * gcc.dg/graphite/block-6.c: Same. 2009-02-18 Tobias Grosser Sebastian Pop * graphite.h: Separate from graphite_bb_p the polyhedral representation in poly_bb_p and the GCC specifics in gimple_bb_p. (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to graphite-data-ref.h. (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN, PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index, pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS, SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES, scop_nb_params): Moved to graphite-poly.h. * graphite-data-ref.c: Same. * graphite-data-ref.h: New. * graphite.c: Same. (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine, strip_mine_profitable_p, is_interchange_valid, graphite_trans_bb_block, graphite_trans_loop_block, scop_max_loop_depth, graphite_trans_scop_block, graphite_apply_transformations, new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to graphite-poly.c. * graphite-poly.h: New. * graphite-poly.c: New. * Makefile.in (OBJS-common): Add graphite-poly.o. (graphite-poly.o): New rule. * tree-data-ref.h (struct data_reference): Remove unused scop field. (DR_SCOP): Removed. 2009-02-18 Sebastian Pop Tobias Grosser * graphite.c: Replace gb -> gbb. * graphite.h: Same. * graphite-data-ref.c: Same. 2009-02-18 Sebastian Pop Tobias Grosser * Makefile.in (OBJS-commmon): Add sese.o. (sese.o): New. (graphite.o): Add sese.h. * graphite.c (bb_in_ss_p, loop_in_sese_p, sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb, sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese): Move to sese. (block_before_scop): Add missing return. (new_scop, free_scop): Remove SESE data structures. (scop_record_loop, scan_tree_for_params, find_params_in_bb, find_scop_parameters, build_loop_iteration_domains, add_conditions_to_domain, register_scop_liveout_renames, copy_bb_and_scalar_dependences): Scop -> SESE. (add_conditions_to_domain): SCoP -> SESE and remove check (scop_contains_non_iv_scalar_phi_nodes): New. (build_scop_conditions_1, build_scop_conditions): Remove check for non iv scalar phi nodes. (print_scop_statistics): New. (graphite_transform_loops): Cleanup. * graphite.h: Move to sese & cleanup. * sese.c: New. * sese.h: New. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.c (build_scop_conditions_1): Conditions are only at the end of a basic block. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix field. (GBB_ALPHA): Removed. 2009-02-16 Sebastian Pop Tobias Grosser * graphite-data-ref.c (graphite_test_dependence): Don't use GBB_DYNAMIC_SCHEDULE. * graphite.c (new_graphite_bb): Same. (free_graphite_bb): Same. (build_scop_dynamic_schedules): Removed. (graphite_transform_loops): Don't call it. * graphite.h (struct graphite_bb): Remove dynamic_schedule field. (GBB_DYNAMIC_SCHEDULE): Removed. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.c (schedule_to_scattering): Don't use CloogMatrix. (print_graphite_bb): Same. (build_cloog_prog): Same. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.c (build_cloog_prog): Don't use CloogMatrix. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.c (build_scop_context): Don't use CloogMatrix. * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New. * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest, liveout_renames, add_params fields... (struct sese): ... here. (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS, SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New. 2009-02-16 Sebastian Pop Tobias Grosser * graphite.c (print_scop): Do not print the CLooG program. (new_scop, free_scop, initialize_cloog_names, build_scop_context, build_cloog_prog, gloog): Don't use SCOP_PROG. (find_transform): Renamed scop_to_clast. (print_generated_program, debug_generated_program): New. (graphite_transform_loops): Adapt to new interface. * graphite.h (struct scop): Remove program field. (SCOP_PROG): Removed. (print_generated_program, debug_generated_program): Declared. 2009-02-16 Sebastian Pop * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New. (statement_precedes_p): Use schedule_same_p and schedule_precedes_p. * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb, free_graphite_bb, build_scop_canonical_schedules, graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static schedules are now represented using a ppl_Linear_Expression_t. * graphite.h (struct graphite_bb): Same. * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New. * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared. 2009-02-15 Sebastian Pop * graphite.c: Free local memory. * graphite-ppl.c: Same. 2009-02-15 Sebastian Pop * graphite.c (const_column_index, get_first_matching_sign_row_index, get_lower_bound_row, get_upper_bound_row, copy_constraint, swap_constraint_variables, scale_constraint_variable): Removed. (graphite_trans_bb_strip_mine): Remove pong. * graphite-ppl.c: Include missing header files. (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New. * graphite-ppl.h (ppl_strip_loop): Declared. * Makefile.in (graphite-ppl.o): Adjust dependences. 2009-02-14 Sebastian Pop * graphite.c (build_loop_iteration_domains): Remove ping pong. (build_scop_iteration_domain): Same. 2009-02-13 Sebastian Pop * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove ping pong. (add_value_to_dim, scan_tree_for_params_right_scev, scan_tree_for_params_int): New. * graphite-ppl.c (oppose_constraint): New. (insert_constraint_into_matrix): Implement missing cases. * graphite-ppl.h (insert_constraint_into_matrix): Declared. 2009-02-13 Sebastian Pop * graphite.c (graphite_trans_bb_move_loop): Remove ping pong, use ppl_move_dimension. 2009-02-12 Sebastian Pop * graphite-data-ref.c: Domains are now ppl_Polyhedra_t. * graphite.c: Same. * graphite.h: Same. * graphite-ppl.c: Same. * graphite-ppl.h: Same. 2009-02-12 Sebastian Pop Revert last 3 commits. 2009-02-10 Sebastian Pop * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove ping pong. (add_value_to_dim, scan_tree_for_params_right_scev, scan_tree_for_params_int): New. * graphite-ppl.c (oppose_constraint): New. (insert_constraint_into_matrix): Implement missing cases. * graphite-ppl.h (insert_constraint_into_matrix): Declared. 2009-02-10 Sebastian Pop * graphite.c (graphite_trans_bb_move_loop): Remove unused variables. 2009-02-10 Sebastian Pop Tobias Grosser * graphite.c (graphite_trans_bb_move_loop): Remove ping pong, use ppl_move_dimension. * graphite-ppl.c (ppl_move_dimension): New. * graphite-ppl.h (ppl_move_dimension): Declared. 2009-02-10 Sebastian Pop * graphite.c: Do not include cloog/cloog.h. (print_graphite_bb): Remove ping pong, call PPL print function. 2009-02-10 Tobias Grosser * Makefile.in (OBJS-common): Add graphite-ppl.o. (graphite.o): Add dependence on graphite-ppl.h. (graphite-ppl.o): New. (graphite-data-ref.c): Ping pong between PPL data structures and matrices. * graphite-ppl.c: New. * graphite-ppl.h: New. * graphite.c: Include graphite-ppl.h. (print_graphite_bb, add_conditions_to_domain, build_cloog_prog, graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine): Ping pong between PPL data structures and matrices. (new_graphite_bb): Create a PPL constraint system. Call ppl_delete_Constraint_System instead of cloog_matrix_free. (build_loop_iteration_domains): Use PPL functions. * graphite.h: Include graphite-ppl.h. Fix comments. (graphite_bb): Use a ppl_Constraint_System_t instead of CloogMatrix for representing the domain. (scop): Remove static_schedule. (gbb_nb_loops): Ping pong between PPL data structures and matrices. 2009-02-06 Sebastian Pop * graphite.c: Fix some comments. 2009-02-05 Sebastian Pop PR middle-end/38953 * graphite.c (if_region_set_false_region): After moving a region in the false branch of a condition, remove the empty dummy basic block. (gloog): Remove wrong fix for PR38953. 2009-02-03 Tobias Grosser * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb, sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese): Moved. (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains, outermost_loop_in_scop, build_scop_iteration_domain, expand_scalar_variables_ssa_name, get_vdef_before_scop, limit_scops): Use bb_in_sese_p instead of bb_in_scop_p. Use loop_in_sese_p instead of loop_in_scop_p. (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B. (free_scop): Do not free SCOP_BBS_B. (nb_loops_around_loop_in_scop, nb_loops_around_gb, ref_nb_loops): Moved here... * graphite.h (ref_nb_loops): ... from here. (struct scop): Remove bbs_b bitmap. (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed. * gcc.dg/graphite/scop-19.c: New 2009-02-03 Tobias Grosser * graphite.c (scopdet_basic_block_info): Fix bug in scop detection. 2009-01-30 Tobias Grosser * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop, eq_loop_to_cloog_loop): Remove. (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP. * graphite.h (struct scop): Remove loop2cloog_loop. (loop_domain_dim, loop_iteration_vector_dim): Remove. 2009-01-30 Tobias Grosser * opts.c (decode_options): Only add graphite options to O2 if we compile with graphite enabled. 2009-01-26 Sebastian Pop * Merge from mainline (r143163:143684). 2009-01-26 Sebastian Pop * graphite.c (debug_value): Removed. * graphite.h (debug_value): Removed. 2009-01-23 Sebastian Pop * passes.c (init_optimization_passes): Do not call pass_copy_prop after graphite: pass_copy_prop does not maintain a proper loop closed SSA form. pass_copy_prop should be fixed. 2009-01-23 Sebastian Pop * graphite.c (scop_adjust_phis_for_liveouts): Fix warning. 2009-01-23 Sebastian Pop * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa. (gloog): Split the exit of the scop when the scop exit is a loop exit. (graphite_transform_loops): Only call cleanup_tree_cfg if gloog changed the CFG. 2009-01-20 Sebastian Pop * graphite.c (gloog): Return true when code gen succeeded. (graphite_transform_loops): Do not call cleanup_tree_cfg if the code of the function did not changed. After cleanup_tree_cfg call rewrite_into_loop_closed_ssa to maintain the loop closed ssa form. 2009-01-19 Sebastian Pop * graphite.c (stmt_simple_for_scop_p): Also handle cases when gimple_call_lhs is NULL. 2009-01-16 Sebastian Pop Tobias Grosser * graphite.c (graphite_trans_scop_block): Do not block single nested loops. 2009-01-15 Sebastian Pop Tobias Grosser * graphite.c (build_scop_canonical_schedules): Start schedules at zero. 2009-01-15 Sebastian Pop Tobias Grosser * graphite.c (compare_prefix_loops): New. (build_scop_canonical_schedules): Rewritten. (graphite_transform_loops): Move build_scop_canonical_schedules after build_scop_iteration_domain. 2009-01-14 Sebastian Pop Tobias Grosser * graphite.c (add_conditions_to_domain): Add the loops to the dimension of the iteration domain. Do copy the domain only when it exists. (build_scop_conditions_1): Do not call add_conditions_to_domain. (add_conditions_to_constraints): New. (can_generate_code_stmt, can_generate_code): Removed. (gloog): Do not call can_generate_code. (graphite_transform_loops): Call add_conditions_to_constraints after building the iteration domain. 2009-01-14 Sebastian Pop Tobias Grosser Jan Sjodin * graphite.c (scan_tree_for_params): On substractions negate all the coefficients of the term. (clast_to_gcc_expression_red): New. Handle reduction expressions of more than two operands. (clast_to_gcc_expression): Call clast_to_gcc_expression_red. (get_vdef_before_scop): Handle also the case of default definitions. 2009-01-14 Sebastian Pop PR middle-end/38431 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New. (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi. (gloog): Do not call cleanup_tree_cfg. (graphite_transform_loops): Call cleanup_tree_cfg after all scops have been code generated. 2009-01-13 Sebastian Pop * passes.c (init_optimization_passes): Schedule after graphite transforms pass_copy_prop, pass_dce_loop and pass_lim. 2009-01-13 Sebastian Pop * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p. Fix comment. (expand_scalar_variables_ssa_name): Do not pass loop_p. Fix comment. Set the type of an expression to the type of its assign statement. (expand_scalar_variables_expr): Do not pass loop_p. Fix comment. Stop recursion on tcc_constant or tcc_declaration. (copy_bb_and_scalar_dependences): Do not pass loop_p. (translate_clast): Update call to copy_bb_and_scalar_dependences. 2009-01-11 Sebastian Pop * graphite.c (expand_scalar_variables_ssa_name): Set the type of an expression to the gimple_expr_type of its assign statement. (expand_scalar_variables_expr): Stop recursion on tcc_constant or tcc_declaration. 2009-01-11 Sebastian Pop PR tree-optimization/38786 * gcc.dg/graphite/pr38786.c: New. * graphite.c (expand_scalar_variables_ssa_name): New, outlined from the SSA_NAME case of expand_scalar_variables_expr. (expand_scalar_variables_expr): Also gather the scalar computation used to index the memory access. (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr the gimple_stmt_iterator where it inserts new code. 2009-01-10 Sebastian Pop * gcc.dg/graphite/block-3.c: Fix compile error on 32bit. 2009-01-10 Sebastian Pop * opts.c (decode_options): Enable flag_graphite_identity and flag_loop_block in -O2 and above. 2009-01-08 Sebastian Pop * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class: Fix merge problem: replace with the file from trunk. 2009-01-08 Sebastian Pop * Merge from mainline (r141727:143163). 2009-01-07 Sebastian Pop Jan Sjodin PR tree-optimization/38559 * gcc.dg/graphite/pr38559.c: New. * graphite.c (debug_value, copy_constraint, swap_constraint_variables, scale_constraint_variable, ): New. (get_lower_bound, get_upper_bound): Removed. (graphite_trans_bb_strip_mine): Clean up this code that works only for constant number of iterations. Fully copy upper and lower bound constraints, not only the constant part of them. * graphite.h (debug_value): Declared. 2009-01-06 Jan Sjodin PR tree-optimization/38492 PR tree-optimization/38498 * tree-check.c (operator_is_linear, scev_is_linear_expression): New. * tree-chrec.h (scev_is_linear_expression): Declared. * graphite.c (graphite_cannot_represent_loop_niter): New. (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter. (graphite_loop_normal_form): Use gcc_assert. (scan_tree_for_params): Use CASE_CONVERT. (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New. (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes. Use gcc_assert. Discard scops that contain unhandled cases. (build_scop_conditions): Return a boolean status for unhandled cases. (strip_mine_profitable_p): Print the loop number, not its depth. (is_interchange_valid): Pass the depth of the loop nest, don't recompute it wrongly. (graphite_trans_bb_block): Same. (graphite_trans_bb_block): Print tentative of loop blocking. (graphite_trans_scop_block): Do not print that the loop has been blocked. (graphite_transform_loops): Do not handle scops that contain condition scalar phi nodes. * gcc.dg/graphite/pr38500.c: Fixed warning as committed in trunk. * gcc.dg/graphite/block-0.c: Update test. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/block-2.c: Remove xfail and test for blocking. * gcc.dg/graphite/block-4.c: Remove test for strip mine. * gcc.dg/graphite/block-3.c: New. * gcc.dg/graphite/pr38498.c: New. 2008-12-22 Harsha Jagasia PR tree-optimization/38510 * gcc.dg/graphite/pr38510.c: New. * graphite.c (recompute_all_dominators): Call mark_irreducible_loops. (translate_clast): Call recompute_all_dominators before graphite_verify. (gloog): Call recompute_all_dominators before graphite_verify. 2008-12-12 Sebastian Pop PR tree-optimization/38492 * graphite.c (rename_map_elt, debug_rename_elt, debug_rename_map_1, debug_rename_map, new_rename_map_elt, rename_map_elt_info, eq_rename_map_elts, get_new_name_from_old_name, bb_in_sese_p): Moved around. (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use. (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb. (sese_build_livein_liveouts): New. (new_sese, free_sese): New. (new_scop): Call new_sese. (free_scop): Call free_sese. (rename_variables_from_edge, rename_phis_end_scop): Removed. (register_old_new_names): Renamed register_old_and_new_names. (register_scop_liveout_renames, add_loop_exit_phis, insert_loop_close_phis, struct igp, default_liveout_before_guard, add_guard_exit_phis, insert_guard_phis, copy_renames): New. (translate_clast): Call insert_loop_close_phis and insert_guard_phis. (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge. (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts. (scop_adjust_phis_for_liveouts): New. (gloog): Call scop_adjust_phis_for_liveouts. * graphite.h (struct sese): Documented. Added fields liveout, num_ver and livein. (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New. (new_sese, free_sese, sese_build_livein_liveouts): Declared. (struct scop): Added field liveout_renames. (SCOP_LIVEOUT_RENAMES): New. 2008-12-11 Sebastian Pop PR tree-optimization/38409 * gcc.dg/graphite/pr38409.c: New. * graphite.c (nb_reductions_in_loop): Use simple_iv. 2008-12-11 Sebastian Pop * graphite.c (gcc_type_for_cloog_iv): By default return integer_type_node. (graphite_create_new_loop): Don't fold_convert the already fold_convert-ed expression. 2008-12-11 Harsha Jagasia PR tree-optimization/38446 * gcc.dg/graphite/pr38446.c: New. * graphite.c (register_bb_in_sese): New. (bb_in_sese_p): Check if bb belongs to sese region by explicitly looking at the bbs in the region. * graphite.h (sese): Add region_basic_blocks pointer set to structure and initialize at the time of defining new scop. 2008-12-11 Tobias Grosser * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE. (find_params_in_bb): Do not free data refs. (free_graphite_bb): Add FIXME on disabled free_data_refs. 2008-12-11 Sebastian Pop * gcc.dg/graphite/scop-16.c: Test only scop specific info. * gcc.dg/graphite/scop-17.c: Same. * gcc.dg/graphite/block-5.c: New. * gcc.dg/graphite/block-6.c: New. * gcc.dg/graphite/pr37485.c: Clean dump file after. * gcc.dg/graphite/pr37684.c: Same. * gcc.dg/graphite/block-2.c: Same. * graphite.c (struct ivtype_map_elt): New. (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map, new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts, gcc_type_for_cloog_iv): New. (loop_iv_stack_patch_for_consts): Use the type of the induction variable from the original loop, except for the automatically generated loops, i.e., in the case of a strip-mined loop, in which case there is no original loop: in that case just use integer_type_node. (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES. (free_graphite_bb): Free GBB_CLOOG_IV_TYPES. (clast_name_to_gcc): Accept params to be NULL. (clast_to_gcc_expression): Take an extra parameter for the type. Convert to that type all the expressions built by this function. (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New. (graphite_translate_clast_equation): Compute the type of the clast_equation before translating its LHS and RHS. (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New. (graphite_create_new_loop): Compute the type of the induction variable before translating the lower and upper bounds and before creating the induction variable. (rename_variables_from_edge, rename_phis_end_scop): New. (copy_bb_and_scalar_dependences): Call rename_phis_end_scop. (sese_add_exit_phis_edge): Do not use integer_zero_node. (find_cloog_iv_in_expr, compute_cloog_iv_types_1, compute_cloog_iv_types): New. (gloog): Call compute_cloog_iv_types before starting the translation of the clast. * graphite.h (struct graphite_bb): New field cloog_iv_types. (GBB_CLOOG_IV_TYPES): New. (debug_ivtype_map): Declared. (oldiv_for_loop): New. 2008-12-10 Tobias Grosser PR middle-end/38459 * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS. (param_index): Assert if parameter is not know after parameter detection. (find_params_in_bb): Detect params directly in GBB_CONDITIONS. (find_scop_parameters): Mark, that we have finished parameter detection. (graphite_transform_loops): Move condition detection before parameter detection. * graphite.h (struct scop): Add SCOP_ADD_PARAMS. * gfortran.dg/graphite/pr38459.f90: New. 2008-12-09 Tobias Grosser * graphite.c (graphite_transform_loops): Always call find_transform () in ENABLE_CHECKING. So we test these code paths, even if we do not generate code. 2008-12-09 Tobias Grosser * graphite.c (print_graphite_bb): Fix printing to file != dump_file. (print_scop): Ditto. 2008-12-08 Tobias Grosser PR middle-end/38084 Fix gfortran.dg/graphite/id-3.f90. * graphite.c (scopdet_basic_block_info): Fix bug that found some regions more than once. 2008-12-03 Sebastian Pop Fix gfortran.dg/graphite/id-4.f90. * graphite.c (scan_tree_for_params): Do not compute the multiplicand when not needed. 2008-12-03 Sebastian Pop Fix gfortran.dg/graphite/id-1.f90. * graphite.c (gmp_cst_to_tree): Pass the type in parameter. (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree. (max_precision_type): New. (value_clast): Removed. (clast_to_gcc_expression): Be more careful to types of expressions. Use max_precision_type and update use of gmp_cst_to_tree. (graphite_translate_clast_equation): Use max_precision_type. (graphite_create_guard_cond_expr): Do not use integer_type_node, use the type of the condition. (graphite_create_new_loop): Do not use integer_type_node, use the max_precision_type of lb and ub. 2008-12-03 Sebastian Pop * graphite.c (build_scops_1): Initialize open_scop.exit and sinfo.last. 2008-12-02 Sebastian Pop * gcc.dg/graphite/pr38084.c: New. * gfortran.dg/graphite/id-1.f90: New. * gfortran.dg/graphite/id-2.f90: New. * gfortran.dg/graphite/id-3.f90: New. * gfortran.dg/graphite/id-4.f90: New. * gfortran.dg/graphite/pr37857.f90: New. 2008-12-02 Sebastian Pop Jan Sjodin Harsha Jagasia PR middle-end/37852 PR middle-end/37883 PR middle-end/37928 PR middle-end/37980 PR middle-end/38038 PR middle-end/38039 PR middle-end/38073 PR middle-end/38083 PR middle-end/38125 * gcc.dg/graphite/pr38073.c: New. * gcc.dg/graphite/pr37928.c: New. * gcc.dg/graphite/pr37883.c: New. * gcc.dg/graphite/pr38125.c: New. * gfortran.dg/graphite/pr38083.f90: New. * gfortran.dg/graphite/pr37852.f90: New. * gfortran.dg/graphite/pr37980.f90: New. * gcc.dg/graphite/scop-18.c: Remove reduction, test for the number of detected scops. Copy exact same test for loop blocking... * gcc.dg/graphite/block-1.c: Fix the number of expected loops to be blocked as reductions are not handled. * gcc.dg/graphite/block-4.c: ...here. New. * tree-phinodes.c (remove_phi_nodes): New, extracted from... * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block): ...here. * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared. * Makefile.in (graphite.o): Depend on value-prof.h. (graphite.o-warn): Removed -Wno-error. * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list to be a NULL pointer. Call update_stmt. Return the newly created cannonical induction variable. * graphite.h (debug_rename_map): Declared. Fix some comments. * graphite.c: Reimplement the code generation from graphite to gimple. Include value-prof.h. (loop_iv_stack_get_iv): Do not return NULL for constant substitutions. (get_old_iv_from_ssa_name): Removed. (graphite_stmt_p): New. (new_graphite_bb): Test for useful statements before building a graphite statement for the basic block. (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without reason. (recompute_all_dominators, graphite_verify, nb_reductions_in_loop, graphite_loop_normal_form): New. (scop_record_loop): Call graphite_loop_normal_form. (build_scop_loop_nests): Iterate over all the blocks of the function instead of relying on the incomplete information from SCOP_BBS. Return the success of the operation. (find_params_in_bb): Use the data from GBB_DATA_REFS. (add_bb_domains): Removed. (build_loop_iteration_domains): Don't call add_bb_domains. Add the iteration domain only to the basic blocks that have been translated to graphite. (build_scop_conditions_1): Add constraints only if the basic block have been translated to graphite. (build_scop_data_accesses): Completely disabled until data dependence is correctly implemented. (debug_rename_elt, debug_rename_map_1, debug_rename_map): New. (remove_all_edges_1, remove_all_edges): Removed. (get_new_name_from_old_name): New. (graphite_rename_variables_in_stmt): Renamed rename_variables_in_stmt. Call get_new_name_from_old_name. Use replace_exp and update_stmt. (is_old_iv): Renamed is_iv. (expand_scalar_variables_stmt): Extra parameter for renaming map. Use replace_exp and update_stmt. (expand_scalar_variables_expr): Same. Use the map to get the new names for the renaming of induction variables and for the renaming of variables after a basic block has been copied. (expand_scalar_variables): Same. (graphite_rename_variables): Renamed rename_variables. (move_phi_nodes): Removed. (get_false_edge_from_guard_bb): New. (build_iv_mapping): Do not insert the induction variable of a loop in the renaming iv map if the basic block does not belong to that loop. (register_old_new_names, graphite_copy_stmts_from_block, copy_bb_and_scalar_dependences): New. (translate_clast): Heavily reimplemented: copy basic blocks, do not move them. Finally, in call cleanup_tree_cfg in gloog. At each translation step call graphite_verify ensuring the consistency of the SSA, loops and dominators information. (collect_virtual_phis, find_vdef_for_var_in_bb, find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs): Removed huge hack. (mark_old_loops, remove_dead_loops, skip_phi_defs, collect_scop_exit_phi_args, patch_scop_exit_phi_args, gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed. (remove_sese_region, ifsese, if_region_entry, if_region_exit, if_region_get_condition_block, if_region_set_false_region, create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p, sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb, sese_add_exit_phis_edge, sese_add_exit_phis_var, rewrite_into_sese_closed_ssa): New. (gloog): Remove dead code. Early return if code cannot be generated. Call cleanup_tree_cfg once the scop has been code generated. (graphite_trans_scop_block, graphite_trans_loop_block): Do not block loops with less than two loops. (graphite_apply_transformations): Remove the call to scop_remove_ignoreable_gbbs. (limit_scops): When build_scop_loop_nests fails, continue on the next scop. Fix open_scop.entry. (graphite_transform_loops): Call recompute_all_dominators: force the recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS. Call initialize_original_copy_tables and free_original_copy_tables to be able to copy basic blocks during code generation. When build_scop_loop_nests fails, continue on next scop. (value_clast): New union. (clast_to_gcc_expression): Fix type cast warning. 2008-11-09 Sebastian Pop * Merge from mainline (r140838:141727). 2008-11-05 Tobias Grosser PR middle-end/37833 * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR. 2008-11-05 Tobias Grosser PR middle-end/37943 * graphite.c (scopdet_basic_block_info): Fix loops with multiple exits and conditions. * gcc.dg/graphite/pr37943.c: New. 2008-10-23 Tobias Grosser PR middle-end/37886 * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit. 2008-10-23 Tobias Grosser * doc/invoke.texi: Fix spaces. 2008-10-22 Sebastian Pop PR tree-optimization/37891 Reverted last commit. * graphite.c (create_single_entry_edge): Set EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP. 2008-10-21 Sebastian Pop Mitul Thakkar * graphite.c (create_single_entry_edge): Set EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP. 2008-10-16 Tobias Grosser * doc/invoke.texi: Add -fgraphite-identity. * graphite.c (graphite_apply_transformations): Check for -fgraphite-identity. * toplev.c (process_options): Add flag_graphite_identity. * tree-ssa-loop.c: Add flag_graphite_identity. 2008-10-14 Sebastian Pop Undo changes from 2008-10-02: * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert operand type when copying the operand to a variable of different type. * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition with the IV name after increment. 2008-10-14 Sebastian Pop Harsha Jagasia PR tree-optimization/37828 * gcc.dg/graphite/pr37828.c: New. * graphite.c (graphite_trans_loop_block): Do not loop block single nested loops. 2008-10-09 Harsha Jagasia Sebastian Pop * graphite.c (struct rename_map_elt, new_rename_map_elt, rename_map_elt_info, eq_rename_map_elts): New. (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt. (expand_scalar_variables_expr): Change parameters. (expand_scalar_variables_stmt): Same. (expand_scalar_variables): Same. (graphite_rename_ivs): Rename graphite_rename_variables. (build_iv_mapping): New. (translate_clast): Call build_iv_mapping. * graphite.h (gbb_p): New name. 2008-10-03 Harsha Jagasia PR tree-optimization/37684 * gcc.dg/graphite/pr37684.c: New. * graphite.c (exclude_component_ref): New. (is_simple_operand): Call exclude_component_ref. 2008-10-02 Jan Sjodin Harsha Jagasia PR tree-optimization/37485 * gcc.dg/graphite/block-2.c: New * graphite.c (gmp_cst_to_tree): Moved. (iv_stack_entry_is_constant): New. (iv_stack_entry_is_iv): New. (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv. (loop_iv_stack_insert_constant): New. (loop_iv_stack_pop): Use new datatpype. (loop_iv_stack_get_iv): Same. (loop_iv_stack_get_iv_from_name): Same. (loop_iv_stack_debug): Renamed to debug_loop_iv_stack. (loop_iv_stack_patch_for_consts): New. (loop_iv_stack_remove_constants): New. (graphite_create_new_loop): Use loop_iv_stack_push_iv. (translate_clast): Call loop_iv_stack_patch_for_consts and loop_iv_stack_remove_constants. (gloog): Use new datatype. Redirect construction edge to end block to avoid accidental deletion. * graphite.h (enum iv_stack_entry_kind): New. Tag for data in iv stack entry. (union iv_stack_entry_data): New. Data in iv stack entry. (struct iv_stack_entry): New. Datatype for iv stack entries. 2008-10-02 Sebastian Pop * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert operand type when copying the operand to a variable of different type. 2008-10-02 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition with the IV name after increment. 2008-10-02 Sebastian Pop * Merge from mainline (r140164:140838). 2008-09-10 Konrad Trifunovic * graphite-data-ref.c: New. * graphite.c (print_scop): Also dump the dependence graph. (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved... (new_scop): Initialize SCOP_DEP_GRAPH. (build_scop_dynamic_schedules): New. (build_access_matrix_with_af): Fixed column numbering. (graphite_transform_loops): Call build_scop_dynamic_schedules. * graphite.h: Add ifndef/define guards against multiple inclusion. (struct scop): Add dep_graph field. (SCOP_DEP_GRAPH): Defined. (ref_nb_loops): Fixed and moved to other position. (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here. (nb_loops_around_loop_in_scop): New. (graphite_dump_dependence_graph): Declared. (graphite_build_rdg_all_levels): Declared. (graphite_test_dependence): Declared. * Makefile.in (graphite-data-ref.o): New target. 2008-09-09 Sebastian Pop * Merge from mainline (139870:140164). 2008-09-01 Sebastian Pop * Merge from mainline (138275:139870). * gcc.dg/graphite/scop-matmult.c: XFailed as one of the commits from trunk broke the niter detection. 2008-09-01 Sebastian Pop * graphite.c: Add more documentation. Fix formatting. (debug_loop_vec, debug_oldivs, loop_iv_stack, loop_iv_stack_debug): Moved... (schedule_to_scattering): Move before use. (dot_all_scops): Include in "#if 0" the code for system call dotty. * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack, loop_iv_stack_debug): ...here. 2008-08-29 Jan Sjodin * tree-phinodes.c (make_phi_node): Extern. (add_phi_node_to_bb): New. (create_phi_node): Call add_phi_node_to_bb. * tree-ssa-loop-ivopts.c (get_phi_with_result): New. (remove_statement): Handle case where stored phi was updated and is no longer the same. * graphite.c (is_parameter): New. (is_old_iv): New. (expand_scalar_variables_expr): New. (expand_scalar_variables_stmt): New. (expand_scalar_variables): New. (move_phi_nodes): Create new phi instead of moving old one. (translate_clast): Call expand_scalar_variables. (find_vdef_for_var_in_bb): Also scan regular definitions. (skip_phi_defs): New. (collect_scop_exit_phi_args): New. (patch_scop_exit_phi_args): New. (gloog): Patch phis after scop. * tree-flow.h: (add_phi_node_to_bb): Declared. (make_phi_node): Declared. 2008-08-26 Sebastian Pop * graphite.c (end_scop): Split the entry of the scop when it is the header of the loop in which the scop is ending. (build_scops_1, limit_scops): Update uses of end_scop. 2008-08-26 Sebastian Pop * graphite.c (dot_all_scops_1): Do not fail on uninitialized SCOP_ENTRY or SCOP_EXIT. 2008-08-25 Sebastian Pop * graphite.c (get_construction_edge): Removed. (gloog): Construction edge is the scop entry edge. 2008-08-25 Sebastian Pop * graphite.c (can_generate_for_scop): Removed. (gloog): Do not call it. 2008-08-25 Sebastian Pop * graphite.c (new_scop): Entry of a scop is an edge. Initialize SESE region. (free_scop): Free SESE region. (build_scops_1, scopdet_bb_info): Work on edges, not on bbs. (split_difficult_bb): New, split from end_scop. (end_scop): Exit of a scop is an edge. (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is not automatically updated and thus is always wrong. * graphite.h (struct sese): New. (SESE_ENTRY): New. (SESE_EXIT): New. (struct scop): New field for a SESE region. Remove entry, exit. (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same semantics as before. Moved comment around. 2008-08-25 Tobias Grosser Sebastian Pop * graphite.c (graphite_transform_loops): Always enable gloog and find_transform when ENABLE_CHECKING. 2008-08-25 Sebastian Pop * graphite.c (graphite_transform_loops): Move pretty printer of SCOPs before doing any transform. Remove call to print_scops and dot_all_scops_1. 2008-08-25 Sebastian Pop * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers. (print_graphite_bb): Same. 2008-08-25 Sebastian Pop * graphite.c (dot_all_scops_1): Cleanup. (move_scops): Fix comment. 2008-08-25 Sebastian Pop * graphite.c (build_scop_bbs): Revert commit 139355: 2008-08-20 Sebastian Pop Dwarakanath Rajagopal * graphite.c (build_scop_bbs): Factor up code. 2008-08-25 Tobias Grosser * graphite.c (gloog): Update dominator info. 2008-08-25 Tobias Grosser * graphite.c (remove_cond_exprs): Do not fail on empty bbs. 2008-08-24 Sebastian Pop * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP initialization. (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free. (translate_clast): Correct formatting. * graphite.h (struct num_map): Removed. (struct graphite_bb): Remove num_map field. (GBB_INDEX_TO_NUM_MAP): Removed. 2008-08-24 Sebastian Pop * graphite.c (build_access_matrix_with_af): Fix comments. (build_scop_data_accesses): Same. 2008-08-24 Sebastian Pop * graphite.c (build_scop_data_accesses): Don't construct access matrices. Add a FIXME and an assert condition that should pass when the access matrices will be needed. 2008-08-24 Sebastian Pop * tree-data-ref.c (stmt_simple_memref_p): Don't call really_constant_p. * graphite.c (build_graphite_bb): Renamed new_graphite_bb. Moved close by free_graphite_bb. (free_graphite_bb): Call free_data_refs. Reset bb->aux. (new_scop): Move close by free_scop. (graphite_transform_loops): Avoid linear scan to reset bb->aux. 2008-08-22 Jan Sjodin * cfgloopmanip.c (create_empty_if_region_on_edge): New. * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree instead of recursive call. (graphite_translate_clast_equation): New. (graphite_create_guard_cond_expr): New. (graphite_create_new_guard): New. (get_stack_index_from_iv): Removed. (graphite_rename_ivs_stmt): Use gbb_loop_index. (get_true_edge_from_guard_bb): New. (translate_clast): Handle stmt_guard in clast. (get_construction_edge): Allow construction edge detection for a scope entry with multiple predecessors if one predecessor is the immediate dominator of scope entry. (can_generate_code_stmt): Enable code generation for clast_guard. (gloog): Use correct context loop. Removed check for post dominators. * cfgloop.h (create_empty_if_region_on_edge): Declared. 2008-08-21 Sebastian Pop * graphite.c (remove_dead_loops): Document better which loops are removed. 2008-08-21 Sebastian Pop * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS and PPLINC. (graphite.o): Also depends on pointer-set.h. 2008-08-21 Sebastian Pop * graphite.c (scop_record_loop): Fix compile warning. 2008-08-21 Harsha Jagasia Sebastian Pop * graphite.c (scop_record_loop): DECL_NAME can be NULL. 2008-08-21 Sebastian Pop * graphite.c (build_graphite_bb): Initialize bb->aux to point to the graphite_bb_p. (graphite_bb_from_bb): Renamed gbb_from_bb; returns the content of bb->aux. (add_bb_domains): Does not use the scop parameter. (graphite_transform_loops): Clean bb->aux at the end. 2008-08-20 Dwarakanath Rajagopal Sebastian Pop * lib/target-supports.exp (check_effective_target_fgraphite): New. * gcc.dg/graphite/graphite.exp: Early exit when check_effective_target_fgraphite returns false. Set dg-do-what-default to compile. (scan-graphite-dump-times): Removed. * gfortran.dg/graphite/graphite.exp: Same. * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile". Use scan-tree-dump-times instead of scan-graphite-dump-times. * gcc.dg/graphite/scop-1.c: Same. * gcc.dg/graphite/scop-2.c: Same. * gcc.dg/graphite/scop-3.c: Same. * gcc.dg/graphite/scop-4.c: Same. * gcc.dg/graphite/scop-5.c: Same. * gcc.dg/graphite/scop-6.c: Same. * gcc.dg/graphite/scop-7.c: Same. * gcc.dg/graphite/scop-8.c: Same. * gcc.dg/graphite/scop-9.c: Same. * gcc.dg/graphite/scop-10.c: Same. * gcc.dg/graphite/scop-11.c: Same. * gcc.dg/graphite/scop-12.c: Same. * gcc.dg/graphite/scop-13.c: Same. * gcc.dg/graphite/scop-matmult.c: Same. * gcc.dg/graphite/scop-14.c: Same. * gcc.dg/graphite/scop-15.c: Same. * gcc.dg/graphite/block-0.c: Same. * gcc.dg/graphite/scop-16.c: Same. * gcc.dg/graphite/block-1.c: Same. * gcc.dg/graphite/scop-17.c: Same. * gcc.dg/graphite/scop-18.c: Same. * gfortran.dg/graphite/block-1.f90: Same. * gfortran.dg/graphite/scop-1.f: Same. * gfortran.dg/graphite/block-2.f: Same. 2008-08-20 Sebastian Pop * graphite.c: Fix some XXX comments. (build_scop_dynamic_schedules): Removed. 2008-08-20 Sebastian Pop * graphite.h (scop_max_loop_depth): Moved... * graphite.c (scop_max_loop_depth): ...here. (remove_all_edges_1): New. (remove_all_edges): Factored code. (remove_cond_exprs): Check only the last statement for a GIMPLE_COND expression. 2008-08-20 Sebastian Pop * graphite.c (scan_tree_for_params): Early return when the expression is a chrec_dont_know. Handle case NEGATE_EXPR. (find_scop_parameters): Factor out code. (graphite_trans_bb_strip_mine): Remove dead code. 2008-08-20 Sebastian Pop * graphite.c (clast_to_gcc_expression, graphite_create_new_loop, graphite_trans_bb_move_loop): Factor asserts. (gloog): Perform sanity checks only for ENABLE_CHECKING. Do not call calculate_dominance_info and estimate_bb_frequencies. 2008-08-20 Jan Sjodin * graphite.c (create_loops_mapping, free_loops_mapping, create_loops_mapping_num, debug_loop_mapping_1, debug_loop_mapping, graphite_loops_mapping_max_loop_num, get_loop_mapping_for_num, graphite_loops_mapping_add_child, graphite_loops_mapping_add_child_num, graphite_loops_mapping_insert_child, graphite_loops_mapping_parent, get_loop_mapped_depth_for_num, get_loop_mapped_depth, split_loop_mapped_depth_for_num, loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num, create_num_from_index, get_num_from_index, swap_loop_mapped_depth): Removed. (new_scop): Do not initialize SCOP_LOOPS_MAPPING. (free_scop): Do not call free_loops_mapping. (graphite_get_new_iv_stack_index_from_old_iv): Renamed get_stack_index_from_iv. Use GBB_LOOPS instead of calling get_loop_mapped_depth. (graphite_trans_bb_move_loop): Do not update the loop mapping. (graphite_trans_bb_strip_mine): Same. * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed. (struct scop): Remove field loops_mapping. 2008-08-20 Sebastian Pop Dwarakanath Rajagopal * graphite.c (scop_record_loop): Factor out one level of the condition by early return. (build_scop_loop_nests): Format following FSF coding style. (build_scop_dynamic_schedules): Factor out code. (scopdet_bb_info): Reindent. Default case should not be reachable. 2008-08-20 Sebastian Pop Dwarakanath Rajagopal * graphite.c (loop_affine_expr): Check for DECL_P or struct assignments that are not handled as simple operands for now. 2008-08-20 Sebastian Pop Dwarakanath Rajagopal * graphite.c (build_scop_bbs): Factor up code. 2008-08-20 Sebastian Pop Dwarakanath Rajagopal * graphite.c (stmt_simple_for_scop_p): Factor code out of the loop. (enum gbb_type): New. Group all the GBB_* types under it. (is_loop_exit): Moved... (end_scop): Enable BB spliting. * cfgloop.c (is_loop_exit): ...here. Reimplemented. * cfgloop.h (is_loop_exit): Declared. 2008-08-20 Sebastian Pop * doc/invoke.texi: Remove strides from examples containing DO loops when the strides are equal to 1. 2008-08-20 Harsha Jagasia Dwarakanath Rajagopal * graphite.c (graphite_trans_scop_block): Or the result with the result from graphite_trans_loop_block. * gcc.dg/graphite/block-1.c: New. * gfortran.dg/graphite/block-1.f90: New. * gfortran.dg/graphite/block-2.f: New. 2008-08-20 Sebastian Pop * graphite.c (graphite_transform_loops): Call cloog_initialize and cloog_finalize. 2008-08-20 Sebastian Pop * tree-data-ref.c) (stmt_simple_memref_p): New. * tree-data-ref.h (stmt_simple_memref_p): Declared. * graphite.c (stmt_simple_memref_for_scop_p): Removed. (is_simple_operand): Call stmt_simple_memref_p. * gcc.dg/graphite/scop-matmult.c: Updated for not using pointer arithmetic, as this is optimized by PRE and makes the code too difficult to analyze. * gcc.dg/graphite/scop-18.c: Same. 2008-08-20 Sebastian Pop * gdbinit.in (pgg): New. 2008-08-15 Tobias Grosser * graphite.c (graphite_trans_loop_block): Fix warning. 2008-08-15 Tobias Grosser * graphite.c (graphite_trans_loop_block): Fix my merge error. 2008-08-15 Tobias Grosser * graphite.c (graphite_trans_bb_block): Remove check for flag_loop_strip_mine, flag_loop_block, flag_loop_interchange. Check if loop blocking is profitable for every loop, before applying the changes. (graphite_apply_transformations): Call graphite_trans_bb_block only, if flag_loop_block is set. 2008-08-14 Sebastian Pop * graphite.c: Add some more documentation for the loop mapping. 2008-08-14 Sebastian Pop * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h. * graphite.c: Format on less than 80 columns. * graphite.h: Same. 2008-08-14 Sebastian Pop * cfgloopmanip.c (loopify): Use update_dominators_in_loop. 2008-08-14 Sebastian Pop * doc/invoke.texi (floop-block, floop-strip-mine, floop-interchange): Update documentation with examples. 2008-08-13 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Don't call add_referenced_var. * graphite.c (graphite_create_new_loop): Call add_referenced_var. 2008-08-13 Sebastian Pop * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation. Factor gcc_asserts into a single one. Use force_gimple_operand_gsi. * tree-scalar-evolution.c: Revert useless changes. * tree-phinodes.c: Same. * cfghooks.c: Same. * vec.h: Same. * tree-vectorizer.h: Same. * tree-flow.h: Same. * tree-cfg.c: Same. * common.opt (fgraphite): Update documentation. 2008-08-12 Harsha Jagasia * doc/invoke.texi (-floop-block, -floop-strip-mine, -floop-interchange): Add more text for explaining what each of these flags is doing. * tree-into-ssa.c (gimple_vec): Moved to... * graphite.c: Include gimple.h. (gimple_vec): Moved to... (del_loop_to_cloog_loop): Removed. (loop_affine_expr): Do not call create_data_ref when the operand is a constant. (new_scop): Use free instead of del_loop_to_cloog_loop. * Makefile.in (graphite.o): Depend on GIMPLE_H. * gimple.h (gimple_vec): ... here. 2008-08-11 Tobias Grosser * graphite.c (scopdet_bb_info): Only allow loops with known number of latch executions. (build_loop_iteration_domains): Fail, if latch executions unknown. 2008-08-11 Tobias Grosser * graphite.c (add_conditions_to_domain): New. (build_scop_conditions_1): Call add_conditions_to_domain. (set_cloog_options): Allow to disable optimizations. 2008-08-11 Tobias Grosser * graphite.c (find_params_in_bb): Look for parameters in conditions. Do not use walk_dominator_tree. (find_scop_parameters): Do not use walk_dominator_tree. 2008-08-11 Tobias Grosser * graphite.c (scan_tree_for_params) Add / Subtract inequality. (idx_record_params): Adapt. * graphite.h (scop_gimple_loop_depth): New. 2008-08-11 Tobias Grosser * graphite.c (build_scop_dynamic_schedules): Remove value_init. (scan_tree_for_params): Remove value_init. (build_scop_context): Remove value_init. (build_loop_iteration_domains): Remove value_init. (schedule_to_scattering): Remove value_init. (graphite_trans_bb_strip_mine): Remove value_init. 2008-08-11 Tobias Grosser * gcc/graphite.c (limit_scops): New. (graphite_transform_loops): Add limit SCoPs. * gcc.dg/graphite/scop-0.c: Update number of SCoPs. * gcc.dg/graphite/scop-1.c: Update number of SCoPs. * gcc.dg/graphite/scop-10.c: Update number of SCoPs. * gcc.dg/graphite/scop-11.c: Update number of SCoPs. * gcc.dg/graphite/scop-12.c: Update number of SCoPs. * gcc.dg/graphite/scop-13.c: Update number of SCoPs. * gcc.dg/graphite/scop-14.c: Update number of SCoPs. * gcc.dg/graphite/scop-15.c: Update number of SCoPs. * gcc.dg/graphite/scop-16.c: Update number of SCoPs. Change loop numbers. * gcc.dg/graphite/scop-17.c: Update number of SCoPs. Change loop numbers. * gcc.dg/graphite/scop-18.c: Update number of SCoPs. * gcc.dg/graphite/scop-2.c: Update number of SCoPs. * gcc.dg/graphite/scop-3.c: Update number of SCoPs. * gcc.dg/graphite/scop-4.c: Update number of SCoPs. * gcc.dg/graphite/scop-5.c: Update number of SCoPs. * gcc.dg/graphite/scop-6.c: Update number of SCoPs. * gcc.dg/graphite/scop-7.c: Update number of SCoPs. * gcc.dg/graphite/scop-8.c: Update number of SCoPs. * gcc.dg/graphite/scop-9.c: Update number of SCoPs. * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs. 2008-08-11 Tobias Grosser * graphite.c (graphite_transform_loops): Call always find_transform. 2008-08-08 Tobias Grosser * graphite.c (free_loops_mapping): New. (stmt_simple_for_scop_p): Fix typo. (stmt_simple_for_scop_p): Fix tuples functions, that broke polyhedron. (free_graphite_bb): Fix some memleaks. (free_scop): Fix some memleaks. (scopdet_bb_info): Do not forget some tmp SCoPs. (find_params_in_bb): Fix some memleaks. (clast_to_gcc_expression): Fix warning. 2008-08-07 Tobias Grosser * gcc.dg/graphite/scop-16.c: Fix for 32bit. * gcc.dg/graphite/scop-17.c: Fix for 32bit. 2008-08-04 Sebastian Pop * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h. Move code ifdef-ed HAVE_cloog... * graphite.c: Include toplev.h. ... here. * Makefile.in (OBJS-common): Always build graphite.o. (BACKEND): Remove @GRAPHITE@. (tree-ssa-loop.o): Do not depend on TOPLEV_H. (graphite.o): Depend on TOPLEV_H. 2008-08-04 Sebastian Pop * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H. Remove typo left from polylib to ppl conversion. * graphite.c (graphite_transforms): Use sorry instead of fatal. 2008-08-03 Sebastian Pop * toplev.c (process_options): Move the graphite loop optimization flags... * tree-ssa-loop.c (graphite_transforms): ... here. When not configured with CLooG, print to dump_file that Graphite transforms were not performed. * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times): New. * gcc.dg/graphite/*.c: Updated all testcases to use scan-graphite-dump-times. 2008-08-03 Sebastian Pop * graphite.c (dot_scop, dot_all_scops): Do not call system. Do not open /tmp/scop.dot and /tmp/allscops.dot. 2008-08-02 Sebastian Pop Jan Sjodin * configure: Regenerated. * omp-low.c (expand_omp_sections): Remove now unused code. * config.in (HAVE_polylib): Removed. * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed. (PPLLIBS, PPLINC): Added. * graphite.c: Replace unsigned with int wherever possible. Don't access Cloog's data structures, but use accessor functions. Clast's stmt->type is now implemented as a vtable: change the switches of stmt->type into ifs. (polylib/polylibgmp.h): Don't include. (initialize_dependence_polyhedron, initialize_data_dependence_polyhedron, is_empty_polyhedron, statement_precedes_p, test_dependence, build_rdg_all_levels, dump_dependence_graph): Removed until this code is cleaned up or ported to Cloog. * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS. (POLYLIBINC): Renamed PPLINC. 2008-08-01 Harsha Jagasia Dwarakanath Rajagopal Jan Sjodin Finish the merge and tuplification of graphite. 2008-07-24 Sebastian Pop Jan Sjodin Partial merge from mainline (138072:138275). * graphite.c still has to be tuplified. 2008-07-29 Jan Sjodin * graphite.c (graphite_loops_mapping_max_loop_num): New. (create_num_from_index): New. (get_num_from_index): Also pass in the graphite BB. (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP. (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP. (graphite_trans_bb_strip_mine): Call create_num_from_index. (is_interchange_valid): Return false when failing. * graphite.h (struct num_map): New. (struct graphite_bb): New field num_map. (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP. 2008-07-29 Tobias Grosser * graphite.c (dump_gbb_conditions): Print also conditions like "if (a)". Remove dublicated code and use print_generic_expr (). (stmt_simple_for_scop_p): Only allow conditions we can handle {<, <=, >, >=}. 2008-07-25 Jan Sjodin * graphite.h (struct scop): Removed new_ivs field. (SCOP_NEWIVS): Deleted. * graphite.c (new_scop, free_scop, clast_name_to_gcc, clast_to_gcc_expression, graphite_create_new_loop): Removed use of new_ivs. 2008-07-25 Jan Sjodin * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping, create_loops_mapping_num, debug_loop_mapping_1): New. (debug_loop_mapping): Call debug_loop_mapping_1. (get_loop_mapping_for_num, graphite_loops_mapping_add_child, graphite_loops_mapping_add_child_num, graphite_loops_mapping_insert_child, graphite_loops_mapping_parent, split_loop_mapped_depth_for_num, loop_mapped_depth_split_loop): New. (increment_loop_mapped_depths): Removed. (swap_loop_mapped_depth_for_num): Reimplemented. (new_scop): Call create_loops_mapping. (scop_record_loop): Call graphite_loops_mapping_insert_child. (translate_clast): Pass the old loop father in parameter, and pass it to get_old_iv_from_ssa_name. (remove_edges_around_useless_blocks, can_generate_code_stmt, can_generate_code, can_generate_for_scop): New. (graphite_trans_bb_block): Returns false when it fails to transform. * graphite.h (graphite_loop_node, graphite_loops_mapping): New. 2008-07-25 Sebastian Pop Reverted all the changes related to the streamization and loop fusion. These changes are now tracked in the streamization branch. 2008-07-25 Sebastian Pop Jan Sjodin * graphite.c (gbb_compare): Correctly constify. (gbb_can_be_ignored): Indent. (graphite_trans_scop_swap_1and2): Add legality check. Remove dead FIXMEs. 2008-07-25 Sebastian Pop Remove fallouts from "Reverted the Condate changes". * tree.h: Remove unused decl. * gcc.dg/tree-checker: Same. * timevar.def: Remove counter. 2008-07-24 Sebastian Pop * Merge from mainline (135673:138072). Reverted the MIRO changes (from 2008-04-05) that are now tracked in the miro branch. * tree-bounds.c: Removed. * tree-bounds.h: Removed. Reverted the Condate changes (from 2006-07-04, 2007-03-20) that are now tracked in the condate branch. * tree-check.c: Removed. * tree-match.c: Removed. * condate.y: Removed. 2008-07-24 Dwarakanath Rajagopal * common.opt: New user flag -floop-block, -floop-strip-mine and -floop-interchange. * toplev.c (process_options): Enable -fgraphite pass if any one of the graphite loop optimization flags is turned on. * graphite.c (graphite_apply_transformations): Add flag_loop_block, flag_loop_strip_mine and flag_loop_interchange checks before optimizations. * doc/invoke.texi: Remove -fgraphite and add -floop-block, -floop-strip-mine and -floop-interchange. * gcc.dg/graphite/block-0.c: Add -floop-block and remove -fgraphite. * gcc.dg/graphite/scop-16.c: Ditto. * gcc.dg/graphite/scop-17.c: Ditto. * gcc.dg/graphite/scop-18.c: Ditto. 2008-07-23 Jan Sjodin Sebastian Pop * cfgloopmanip.c (update_dominators_in_loop): Make it static. (create_empty_loop_on_edge): More fixes. * tree-phinodes.c (resize_phi_node): Extern. (unlink_phi_node, move_phi_node): New split from remove_phi_node. * cfghooks.c (update_dominator_information): New split from split_edge. * tree-vectorizer.c (rename_variables_in_bb): Extern. * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the successor of the function entry block. * graphite.c: Include pointer-set.h. (debug_loop_mapping, increment_loop_mapped_depths, get_loop_mapped_depth_for_num, get_loop_mapped_depth, set_loop_mapped_depth_for_num, set_loop_mapped_depth, swap_loop_mapped_depth_for_num, get_num_from_index, swap_loop_mapped_depth, loop_iv_stack_debug, loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv, loop_iv_stack_get_iv_from_name, loop_iv_stack_debug, get_old_iv_from_ssa_name): New. (new_scop): Initialize SCOP_LOOPS_MAPPING. (free_scop): Free SCOP_LOOPS_MAPPING. (scop_record_loop): Record old ivs. (create_var_name): Removed. (initialize_cloog_names): Allocate double space in case strip mine applies to all loops once. (clast_name_to_gcc): Look up in the map ivstack passed in parameter. (clast_to_gcc_expression): Same. Implement more clast to gimple translation. (graphite_create_new_loop): Pass in ivstack. (remove_all_edges): Pass in the construction_edge. (graphite_remove_iv): Removed. (graphite_rename_ivs, graphite_rename_ivs_stmt, remove_cond_exprs): Rewritten. (move_phi_nodes): New. (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed. (translate_clast): Pass in ivstack. Rewrite some cases. (set_cloog_options, debug_clast_stmt): New. (find_transform): Use set_cloog_options. (outermost_loop_layer): Removed. (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb, find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs, mark_old_loops, remove_dead_loops): New. (gloog): Rewritten. (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth. (const_column_index, get_first_matching_sign_row_index, get_lower_bound_row, get_upper_bound_row, get_lower_bound, get_upper_bound): New. (graphite_trans_bb_strip_mine): Also update the iv map. * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New. (struct name_tree): Add a loop field. (struct scop): Add a graphite_loops_mapping field. (SCOP_LOOPS_MAPPING): New. (debug_clast_stmt): Declare. * lambda.h (find_induction_var_from_exit_cond): Declare. (lambda-code.c): (find_induction_var_from_exit_cond): Extern. * cfgloop.h (update_dominators_in_loop): Removed declaration. (create_empty_loop_on_edge): Updated. * tree-flow.h (remove_bb, resize_phi_node, move_phi_node, rename_variables_in_bb): Declare. * tree-cfg.c (remove_bb): Extern. * gcc.dg/graphite/block-0.c: New. 2008-07-21 Dwarakanath Rajagopal Sebastian Pop * graphite.c (strip_mine_profitable_p): New. (graphite_trans_bb_block): Disable strip mining if not profitable. * gcc.dg/graphite/scop-18.c: New. * gcc.dg/graphite/scop-17.c: Fixed. * gcc.dg/graphite/scop-16.c: Fixed. 2008-07-17 Harsha Jagasia Jan Sjodin Sebastian Pop * graphite.c (is_interchange_valid): New. (graphite_trans_bb_block): Check loop nest of basic block for legality of interchange. * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1, outer_most_loop, gbb_outer_most_loop_index): New. * tree-loop-linear.c (perfect_loop_nest_depth): Remove static. * tree-flow.h (perfect_loop_nest_depth): Declare as extern. * gcc.dg/graphite/scop-16.c: New. * gcc.dg/graphite/scop-17.c: New. 2008-07-11 Tobias Grosser * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap. (graphite_trans_scop_block): Ignore SCoPs without bbs. 2008-07-11 Tobias Grosser * graphite.c (new_scop): Initialize SCOP_EXIT. (scopdet_info): Add. (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes. (build_scops_1): Cleanup, bugfixes. (build_scops): Cleanup. * gcc.dg/graphite/scop-matmult.c: Remove duplicated code. * gcc.dg/graphite/scop-15.c: Add SCoP numbers. 2008-07-10 Harsha Jagasia * gfortran.dg/graphite/scop-1.f: Update to reduced test case. * gfortran.dg/graphite/graphite.exp: Use DEFAULT_GRAPHITE_FLAGS. * gcc.dg/graphite/scop-15.c: Update to reduced test case. 2008-07-10 Harsha Jagasia * graphite.c (scan_tree_for_params): Do not assert any more if MULT_EXPR parameter is negative. * gfortran.dg/graphite/scop-1.f: New. * gfortran.dg/graphite/graphite.exp: New. * gcc.dg/graphite/scop-15.c: New. 2008-07-10 Harsha Jagasia * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat. 2008-07-10 Tobias Grosser * graphite.c (graphite_trans_bb_swap_loops): Rename from graphite_swap_loops. (graphite_trans_bb_move_loop): New. (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop. (graphite_trans_bb_block): New. (graphite_trans_loop_block): New. (graphite_trans_scop_swap_1and2): Rename from graphite_trans_swap_1and2. (graphite_trans_scop_strip): Rename from graphite_trans_strip. (graphite_trans_scop_block): New. (graphite_apply_transformations): Rename from graphite_transformations. * gcc.dg/graphite/scop-matmult.c: New. 2008-07-10 Tobias Grosser * graphite.c (gbb_compare): New. (graphite_sort_gbbs): New. (gbb_can_be_ignored): New. (scop_remove_ignoreable_gbbs): New. (graphite_transformations): Cleanup and add scop_remove_ignoreable_gbbs. * lambda.h (lambda_vector_compare): New. 2008-07-09 Tobias Grosser * graphite.c (print_graphite_bb): Correct printing of static schedule. (graphite_swap_loops): int -> unsigned (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE (graphite_transformations): New. (graphite_transform_loops): Move to graphite_transformations. * graphite.h (gbb_nb_loops): Return unsigned. 2008-07-04 Tobias Grosser * graphite.c (scan_tree_for_params): Fix insertion of parameters into the domain matrix. This makes scop-0.c work again. 2008-06-20 Richard Guenther * graphite.h: Adjust copyright to GPLv3. * graphite.c: Likewise. (stmt_simple_memref_for_scop_p): Split out from ... (stmt_simple_for_scop_p): ... here. Fix handling of calls and simplify. (get_bb_type): Optimize. (is_pred): Remove. (is_bb_addable): Fix memleak, replace is_pred call with single_pred. (build_scops): Use current_loops. (param_index): Fix memleak. 2008-06-20 Konrad Trifunovic * graphite.c: Fix formatting. 2008-06-19 Konrad Trifunovic * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}. (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS. (create_var_name, save_var_name): Newly defined functions. (initialize_cloog_names): Part of the code factored out to save_var_name. (clast_to_gcc_expression): Now handles the case of clast_red_sum in clast_reduction statement. (graphite_create_new_loop): Now takes a new parameter for outer_loop. (translate_clast): Now also takes the context_loop and bb_exit parameters. Rewritten the code so that it creates a gimple code inside the given context. (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs, remove_cond_expr, disconnect_cond_expr, disconnect_virtual_phi_nodes): Newly defined functions. * graphite.h (struct scop): added old_ivs vector. SCOP_OLDIVS: New macro. 2008-06-19 Sebastian Pop * cfgloopmanip.c: Add missing function comments, fix formatting. 2008-06-18 Konrad Trifunovic * cfgloopmanip.c (update_dominators_in_loop): Defined. (create_empty_loop_on_edge): Defined. * tree-parloops.c (canonicalize_loop_ivs): Returns tree instead of void. * cfgloop.h (create_empty_loop_on_edge): Declared as extern. (update_dominators_in_loop): Declared as extern * tree-flow.h (canonicalize_loop_ivs): Declared as extern. 2008-06-16 Tobias Grosser * graphite.c (print_graphite_bb): Allow changing number of loops in SCoP domain. (initialize_cloog_names): Allow changing number of loops. (build_cloog_prog): Simplify. (find_transform): Enable cloog option --strides. (graphite_swap_loops): New. (graphite_strip_mine_loop): New. (graphite_trans_swap_1and2): New. (graphite_trans_strip): New. (graphite_transform_loops): Add graphite_trans_strip. * graphite.h (scop_max_loop_depth): New. 2008-06-15 Tobias Grosser * graphite.c (build_scop_iteration_domain): Remove forgotten line. (Fixes compile) 2008-06-15 Tobias Grosser * graphite.c (print_graphite_bb): Add output of GBB_LOOPS. (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder. (build_bb_loops): New. (graphite_transform_loops): Add build_bb_loops. (schedule_to_scattering): Use gbb_nb_loops to support changing loop numbers. * graphite.h (graphite_bb): Add loops. (gbb_nb_loops): New. (gbb_loop_at_index): New. (gbb_loop_index): New. (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions using nb_params_in_scop. 2008-06-14 Tobias Grosser * graphite.c (print_graphite_bb): Adapt to minimized schedule. (build_scop_canonical_schedules): Build minimized schedule. (schedule_to_scattering): Adapt to minimized schedule. * graphite.h (graphite_bb): Add/Update descriptions. 2008-06-14 Adrien Eliche Tobias Grosser * graphite.c (print_graphite_bb): Add condition printing. (dump_value): New. (dump_gbb_conditions): New. (build_scop_conditions_1): New. (build_scop_conditions): New. * graphite.h (graphite_bb): Add conditions. 2008-06-14 Tobias Grosser * graphite.c (print_graphite_bb): (free_graphite_bb): New. (free_scop): Free bbs. (get_bb_type): Free doms. (build_scop_context): Free context matrix. (build_loop_iteration_domains): Remove unused code. (build_cloog_prog): Free scattering function and blocklist. (find_transform): Free options. 2008-06-13 Tobias Grosser * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains. Remove unnecessery cloog data structures. Make a copy of the domain (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove unnecessary cloog data structures. Fix memory leaks. Remove insert into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be used. (build_scop_iteration_domain): Remove unnecessary cloog data structures. Fix memory leaks. (graphite_transform_loops): Disable build_scop_dynamic_schedules as it uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working. 2008-06-12 Tobias Grosser * graphite.c (find_scop_params): Remove initialize_cloog_names. 2008-06-12 Tobias Grosser * graphite.c (end_scop): Style fix. (schedule_to_scattering): Style and comment fix. 2008-06-12 Tobias Grosser * graphite.c (print_graphite_bb): Fix definiton of schedule_to_scattering. (initialize_cloog_names): Change nb_scattdims to max loop depth in SCoP. (schedule_to_scattering): Take parameter for number of scattering dimensions. (build_cloog_prog): Only build as much scattering dimensions as necessary. 2008-06-12 Tobias Grosser * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV in polyhedron/aermod.f90. 2008-06-11 Tobias Grosser Dwarak Rajagopal Harsha Jagasia * graphite.c (is_bb_addable): Fix segfault. 2008-06-10 Tobias Grosser * graphite.c (is_bb_addable): Fix memory leak, handling of loops with multiple exits and conditional handling in edge cases. (is_loop_exit): Fix memory leak. (Forgotten in last commit) * gcc.dg/graphite/scop-14.c: New. 2008-06-06 Tobias Grosser Adrien Eliche * graphite.c (is_bb_addable): Add more comments and enhance readablity of the source code. Fix memory leak. (is_loop_exit): Fix memory leak. 2008-06-05 Tobias Grosser * graphite.c (first_loop_in_scop): Deleted. (setup_cloog_loop): Only walk the loop chain for inner loops. (build_scop_iteration_domain): Execute setup_cloog_loop for all loops in the first layer. 2008-06-05 Tobias Grosser * graphite.c (scan_tree_for_params): Change the way params are added to be indepenent of the number of loops. (setup_cloog_loop): Revert to short matrix format. Fix parameter handling. (build_cloog_prog): Revert to short matrix format. 2008-06-05 Sebastian Pop Dwarak Rajagopal * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable warning. 2008-06-05 Sebastian Pop * graphite.c (nb_data_refs_in_scop): New. (graphite_transform_loops): Print more stats: number of loops, basic blocks and data references per scop. 2008-06-04 Sebastian Pop Jan Sjodin * graphite.c (loop_affine_expr, idx_record_params, find_scop_parameters, setup_cloog_loop): Use instantiate_scev instead of instantiate_parameters. 2008-06-04 Tobias Grosser * graphite.c (schedule_to_scattering): Fix scattering dimensions, add support for parameters, add STATIC_SCHEDULE at the right places, cleanup. 2008-06-04 Tobias Grosser * graphite.c (build_scop_loop_nests): Only add the loops, that are contained completely in the SCoP. (build_cloog_prog): Disable scattering, until schedule_to_scattering and the domains are fixed. (build_scop_canonical_schedules): Add support for bbs not contained in any SCoP. 2008-06-04 Tobias Grosser * graphite.h (scop_contains_loop): Update comments to match the actual behavior. (scop_contains_loop): New. * graphite.c (schedule_to_scattering): Use scop_contains_loop. 2008-06-04 Sebastian Pop * graphite.c (get_bb_type): On function body, i.e. loop_0, don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them as GBB_COND_HEADER. 2008-06-04 Sebastian Pop Tobias Grosser * graphite.c (graphite_transform_loops): Early return when there are no loops in the function. 2008-05-31 Sebastian Pop Jan Sjodin * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the offset of the last loop. (setup_cloog_loop): Copy the entire outer constraint matrix. 2008-05-31 Sebastian Pop Jan Sjodin * graphite.c (stmt_in_scop_p, function_parameter_p, invariant_in_scop_p): Removed. (scan_tree_for_params): Can be used with no constraint matrix for gathering parameters. (idx_record_params): Don't use idx_record_param, instead use scan_tree_for_params. (find_scop_parameters): Same. (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog): Fix the size of loop domains. (schedule_to_scattering): Exit when the outer loop is not in scop. (find_transform): Enable build_cloog_prog. 2008-05-31 Sebastian Pop Jan Sjodin * graphite.c (schedule_to_scattering): Make scattering domains uniformly of the same size, as required by CLooG 0.14.0 and before. 2008-05-31 Sebastian Pop Jan Sjodin * graphite.c (schedule_to_scattering): Rewrite, correct the translation of the scheduling function to scattering. (build_cloog_prog): Call schedule_to_scattering only once. * graphite.h (scop_loop_index): Do not fail for loops not in the scop: return -1. 2008-05-30 Tobias Grosser * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN. (loop_body_to_cloog_stmts): Export GBB_DOMAIN. (setup_cloog_loop): Export GBB_DOMAIN. (build_cloog_prog): New. Create new CLOOG_PROG, which should be able to rebuild the original control flow. * graphite.h (graphite_bb): Add domain field and access macro. (GBB_DOMAIN): New. 2008-05-30 Sebastian Pop * graphite.c (debug_gbb): New. (print_scop, build_graphite_bb): Use SCOP_BBS. (build_scop_bbs): Reimplemented. (dfs_bb_in_scop_p): Removed. (build_scop_loop_nests): Reorder loops inserted in SCOP_LOOP_NEST: outer loops should come first. (build_scop_canonical_schedules): Reinitialize at zero the components of the SCOP_STATIC_SCHEDULE for the loops that have already been parsed. * graphite.h (debug_gbb): Declared. 2008-05-30 Sebastian Pop Jan Sjodin * graphite.c (create_empty_loop): Renamed graphite_create_new_loop. (graphite_loop_to_gcc_loop): Removed. (remove_all_edges): New. (graphite_stmt_to_gcc_stmt): Renamed translate_clast. (gloog): Remove useless code. 2008-05-29 Tobias Grosser * graphite.c (get_bb_type): Reworked. We distinguish between loops with one or multiple exits. (is_loop_exit): New. (is_pred): New. (is_bb_addable): Rework condition handling, now support for case case statements and loops with multiple exits. * gcc.dg/graphite/scop-11.c: New. * gcc.dg/graphite/scop-12.c: New. * gcc.dg/graphite/scop-13.c: New. 2008-05-29 Tobias Grosser * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if we have too many colors. 2008-05-22 Sandeep Maram * doc/invoke.texi (-ftree-loop-fusion): Document. * tree-pass.h (pass_loop_fusion): Declared. * tree-loop-fusion.c: New. * timevar.def (TV_TREE_LOOP_FUSION): Declared. * tree-data-ref.c (find_data_references_in_loop): Make extern. * tree-data-ref.h (find_data_references_in_loop): Declared. * common.opt (ftree-loop-fusion): Declared. * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common. 2008-05-21 Sebastian Pop * graphite.c (build_access_matrix): Fix typo from the merge. 2008-05-20 Sebastian Pop * Merge from mainline (130800:135673). 2008-05-07 Sebastian Pop * graphite.c (end_scop): The exit of the scop is not part of the scop. Update dominators after splitting. 2008-05-07 Sebastian Pop * graphite.c (is_bb_addable): Return the harmful statement. Factor up some code. (end_scop): New. Splits end of scope bbs on a harmful statement. (build_scops_1): Call end_scop. 2008-05-07 Sebastian Pop * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p, all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop, add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop, build_scops_1): Removed. (build_scops_2): Renamed build_scops_1. 2008-05-06 Sebastian Pop * graphite.c: Fix formatting. 2008-05-06 Tobias Grosser * graphite.c (get_bb_type): New. (move_scops): New. (build_scops_2): New. (is_bb_addable): New. (build_scops): Switch the scop detection. (build_scop_bbs): Add entry bb to scop. * graphite.h (struct scop): Update comment. 2008-05-06 Tobias Grosser * graphite.c (dot_all_scops_1): Fix some incorrect colors and add more colors. 2008-05-06 Tobias Grosser * gcc.dg/graphite/scop-1.c: Update. * gcc.dg/graphite/scop-2.c: Update. * gcc.dg/graphite/scop-4.c: Update. * gcc.dg/graphite/scop-5.c: Add. * gcc.dg/graphite/scop-6.c: Add. 2008-05-06 Sebastian Pop * gcc.dg/graphite/scop-0.c: Add. * gcc.dg/graphite/scop-7.c: Add. * gcc.dg/graphite/scop-8.c: Add. * gcc.dg/graphite/scop-9.c: Add. * gcc.dg/graphite/scop-10.c: Add. 2008-05-06 Tobias Grosser * graphite.c (scop_affine_expr): Renamed to loop_affine_expr. Check affine expressions depending on the outermost loop instead of a scop. (stmt_simple_for_scop_p): Same. (harmfule_stmt_in_scop): Same. 2008-04-28 Tobias Grosser * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring, mark entry and exit, that are not part of the SCoP and update HTML formatting. 2008-04-25 Sebastian Pop * graphite.c (basic_block_simple_for_scop_p): Renamed harmful_stmt_in_bb. (save_scop, preds_at_same_depth, test_for_scop_bound): Removed. (add_dominators_to_open_scops, build_scops_1): Reimplemented. (all_preds_visited_p, all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop, scop_end_loop): New. (build_scops): Do not use dfs_enumerate_from. * gcc.dg/graphite/scop-{1,2,4}.c: Updated. 2008-04-23 Sebastian Pop * graphite.c: Add comments to functions that are missing a description. (graphite_create_iv): Removed. Merged in graphite_loop_to_gcc_loop. 2008-04-23 Sebastian Pop * graphite.c (nb_params_in_scop): Moved... (graphite_bb_from_bb, loop_body_to_cloog_stmts): New. (setup_cloog_loop): Call loop_body_to_cloog_stmts. (clast_to_gcc_expression): Reduce column size to less than 80. (graphite_create_iv): Return the new name of the IV. (find_transform): Set options->esp and options->cpp. (gloog): Comment out the invalidation of the old loop code. (initialize_dependence_polyhedron): Replace scop_nb_params with nb_params_in_scop. * graphite.h (nb_params_in_scop): ... here. (scop_nb_params): Removed. (loop_domain_dim): Return something even when the loop was not found in the hash table: avoid ICEing on all the graphite.exp testcases. 2008-04-14 Konrad Trifunovic * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands. * graphite.c (build_scop_dynamic_schedules): Schedule is built according to nesting level. (find_scop_parameters): Call instantiate_parameters. (scan_tree_for_params): Extend it to handle general affine bounds. Inner loop bound can depend on outer loop induction variable. (setup_cloog_loop): tmp variable is allocated on stack. Call instantiate_parameters with respect to outermost_loop_in_scop. (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to graphite.h. (create_empty_loop): Function loopify should be given edge probability, instead of edge frequency. Dominance relation from switch_bb to loop_header. (clast_to_gcc_expression): Added handling of clast_reduction node. (gloog): New functionality for removing old loop. (test_dependence): Factored out from build_rdg_all_levels. (build_rdg_all_levels): Dependence testing factored out to test_dependence function. * graphite.h (struct graphite_bb): Extended with dynamic_schedule. (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved from graphite.c 2008-04-07 Sebastian Pop * graphite.c (free_scop, param_index, initialize_cloog_names, nb_params_in_scop): Use name_tree map instead of just a tree for keeping track of the variable name associated to that tree. (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc, clast_to_gcc_expression, graphite_create_iv, graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond, graphite_stmt_to_gcc_stmt): New. (gloog): Call these. * graphite.h (struct name_tree): New. (struct scop): Use name_tree instead of tree for params. Store a vector of name_tree for new_ivs. (SCOP_NEWIVS): New. (scop_nb_params): Use name_tree instead of tree. 2008-04-05 Alexander Lamaison Sebastian Pop * tree-bounds.c: New. * tree-bounds.h: New. * tree-pass.h: Declare pass_bounds_early and pass_bounds_late. * passes.c: Schedule pass_bounds_early, pass_bounds_late. * builtins.c (expand_builtin_alloca): Add flag_bounds as for flag_mudflap. * gcc.c: Same. * toplev.c: Same. * c-cppbuiltin.c: Same. * c-pragma.c: Same. * common.opt: Same. * varasm.c: Same. * tree-outof-ssa.c: Same. * c-common.c: Same. * Makefile.in: Same. 2008-03-15 Antoniu Pop Sebastian Pop * tree-loop-distribution.c (remaining_stmts, upstream_mem_writes): Removed static variables. (copy_loop_before, create_bb_after_loop, mark_nodes_having_upstream_mem_writes, free_rdg_components, rdg_build_components, rdg_build_partitions, dump_rdg_partitions): Extern. (generate_loops_for_partition, generate_code_for_partition): Do not return a bool. (already_processed_vertex_p, predecessor_has_mem_write, mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes, rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent, rdg_flag_loop_exits, rdg_flag_similar_memory_accesses, build_rdg_partition_for_component, rdg_build_partitions, ldist_gen): Pass remaining_stmts and upstream_mem_writes as parameters. (rdg_component): Moved... (build_rdg_partition_for_component): Do not aggregate components when flag_streamize_loops is set. (gen_sequential_loops): New. (ldist_gen): Call gen_sequential_loops. * tree-pass.h (pass_loop_streamization): Declared. * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created basic blocks when loops structures exist. * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New. * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New. * tree-parloops.c (take_address_of, eliminate_local_variables_1, eliminate_local_variables_stmt, eliminate_local_variables, separate_decls_in_loop_name, separate_decls_in_loop_stmt, separate_decls_in_loop, gen_parallel_loop): Make them work on a region of code delimited by two edges in the CFG. (separate_decls_in_loop_name): Renamed separate_decls_in_region_name. (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt. (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate the case of parallelisation of reductions. (create_loop_fn): Extern. (create_omp_parallel_region): New. * tree-data-ref.c (dump_data_dependence_relation): Don't call dump_data_reference for printing dra and drb. (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise RDGE_RELATION. (build_rdg): Don't call free_dependence_relations for the moment, as we attach dependence relations on each edge of the RDG. To be fixed later. * tree-data-ref.h (rdg_component): ...here. (struct rdg_edge): New field ddr_p relation. (RDGE_RELATION): New. (create_bb_after_loop, copy_loop_before, mark_nodes_having_upstream_mem_writes, rdg_build_components, rdg_build_partitions, dump_rdg_partitions, free_rdg_components): Declared. * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH, BUILT_IN_GOMP_STREAM_ALIGN_POP): New. * tree-loop-streamization.c: New. * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn, create_omp_parallel_region, expr_invariant_in_region_p): Declared. * Makefile.in (tree-loop-streamization.o): Added to OBJS-common. * tree-cfg.c (gather_blocks_in_sese_region): Extern. * passes.c: Schedule pass_loop_streamization. 2008-03-08 Tobias Grosser * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and update comment. 2008-03-07 Tobias Grosser * graphite.c (dot_all_scops): Update formatting. Bbs can now be part of more than one SCoP. 2008-03-04 Sebastian Pop * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix malloc problems. (loop_domain_dim): Check for unregistered toplev SCOP loop. * graphite.h (loop_to_cloog_loop): New. 2008-03-04 Konrad Trifunovic * graphite.c (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): New. (build_access_matrix_with_af, build_access_matrix, initialize_dependence_polyhedron): Fixed for new matrix layout. No longer assume that all iteration domains are of the same dimensionality. 2008-03-02 Sebastian Pop * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME defined in a loop at depth 0 is invariant. * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto. * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never be called at loop depth 0. * graphite.c (basic_block_simple_for_scop_p): Take the scop as a parameter. (dot_all_scops_1): Update use of basic_block_simple_for_scop_p. (down_open_scop): Removed. (loop_in_scop_p): Redefined. (scop_affine_expr): New argument: scop. (stmt_simple_for_scop_p): New argument: scop. RETURN_EXPR is not a harmful statement ending a scop. (basic_block_simple_for_scop_p): New argument: scop. (get_loop_start): Removed. (new_scop): Initialize SCOP_LOOPS. (free_scop): Free SCOP_LOOPS. (succs_at_same_depth, preds_at_same_depth): New. (end_scop): Test the validity of a scop. (add_dominators_to_open_scops): New. (test_for_scop_bound): Call add_dominators_to_open_scops. Add cases for opening and closing multiple scops. (build_scops, build_scop_bbs): Iterate over basic blocks in depth first order. (build_graphite_bb): Pass scop directly. (dfs_bb_in_scop_p): New. (scop_record_loop): Use SCOP_LOOPS for not recording the same loop several times. (nb_loops_around_gb): Use loop_in_scop_p. (schedule_to_scattering): Disabled for the moment the code computing the "textual order for outer loop". * graphite.h (struct scop): New field loops. (SCOP_LOOPS): New. (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS. * gcc.dg/graphite/scop-{1,...,7}.c: Updated. 2008-02-27 Antoniu Pop Sebastian Pop * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New. * common.opt (fstreamize-loops): New. * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE, BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD, BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P, BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New. 2008-02-22 Konrad Trifunovic * tree-data-ref.c (build_empty_rdg): New. (build_rdg): Use it. * tree-data-ref.h (build_empty_rdg): Declared. * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP. (find_vertex_for_stmt): Removed. (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt. 2008-02-21 Sebastian Pop * tree-loop-distribution.c (generate_builtin): After cancelling the loop tree, also delete basic blocks. (rdg_flag_uses): Stop recursion when a vertex has already been processed. 2008-02-15 Konrad Trifunovic * graphite.c (build_scop_alpha): Removed. (graphite_transform_loops): Add a dummy call to build_all_rdg_levels and dump_dependence_graph to avoid compiler warnings. 2008-02-14 Konrad Trifunovic * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern. * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared. * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop, eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New. (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP. (initialize_dependence_polyhedron, find_vertex_for_stmt, initialize_data_dependence_polyhedron, is_empty_polyhedron, statement_precedes_p, build_rdg_all_levels, build_scop_alpha, dump_dependence_graph): New. * graphite.h (struct graphite_bb): New field compressed_alpha_matrix. (GBB_ALPHA): New. (struct scop): New field loop2cloog_loop. (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron, RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New. 2008-02-10 Konrad Trifunovic * graphite.c (build_graphite_bb): Fix initialization of the graphite basic block. 2008-02-05 Sebastian Pop * graphite.c (scan_tree_for_params): Rewrite for the new layout of loop domain matrix. Pass in the number of loops contained in the constraint matrix. (nb_loops_around_gb): Moved before setup_cloog_loop that uses it. (setup_cloog_loop): Rewrite for the new layout of loop domain matrix: loops that are not surrounding the current loop are not represented in the domain constraint matrix. (build_scop_iteration_domain): Initial domain constraint matrix contains only the eq/ineq, cst, and scop parameters columns. 2008-01-29 Tobias Grosser * graphite.c (schedule_to_scattering, nb_loops_around_gb): New. (print_graphite_bb): Print scattering. 2008-01-29 Tobias Grosser * graphite.c (initialize_cloog_names): Initialize names of scattering variables. 2009-01-29 Tobias Grosser * graphite.c (dot_all_scops_1): Disable debug output while printing graph. 2008-01-29 Tobias Grosser * graphite.c (find_transform): Change cloog output language to C. 2008-01-27 Sebastian Pop * tree-loop-distribution.c (generate_memset_zero, generate_builtin, generate_code_for_partition, rdg_flag_all_uses): New. (rdg_flag_uses): Gather in the same partition the statements defining the VUSES of the current statement. (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses. Gather in the same partition not only the stores to the same memory access, but also the reads. (ldist_generate_loops): Renamed ldist_gen. 2008-01-24 Sebastian Pop Tobias Grosser * graphite.c (setup_cloog_loop): Chain all cloog loops with the next pointer, don't use the inner pointer. 2008-01-20 Tobias Grosser * graphite.c (dot_all_scops, dot_all_scops_1): New. (find_transform): Call dot_all_1. * graphite.h (dot_all_scops): Declared. 2007-12-14 Sebastian Pop * tree-loop-distribution.c: Fix apsi.f ICE. (create_bb_after_loop): New. (generate_loops_for_partition): Use it. * gfortran.dg/ldist-1.f90: New. * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format. * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format. 2007-12-13 Tobias Grosser * graphite.c (find_transform): Dump cloog program sent to cloog. 2007-12-13 Tobias Grosser * graphite.c (initialize_cloog_names): Initialize cloog iterator names. 2007-12-13 Tobias Grosser * graphite.c (build_scop_context): Fix typo, for the matrix format: insert '0 >= 0' instead of '-1 >= 0'. 2007-12-13 Sebastian Pop * Fix merge problems. 2007-12-13 Sebastian Pop * graphite.c (setup_cloog_loop): Fix typo. 2007-12-12 Sebastian Pop * doc/invoke.texi (-ftree-loop-distribution): Documented. * tree-loop-distribution.c: Reimplemented. * tree-pass.h (pass_loop_distribution): New. * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use print_loops. * graphds.h (struct graph): New field indexes. * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New. * tree-vect-analyze.c: Remove declaration of static functions when not needed. * tree-vectorizer.c: Same. (rename_variables_in_loop): Now extern. (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed tree_duplicate_loop_to_edge_cfg. Reset PENDING_STMT for edges after calling redirect_edge_and_branch_force. * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared. * tree-data-ref.c: Don't include tree-chrec.h. (debug_data_dependence_relations): New. (dump_data_dependence_relation): Call dump_data_reference on data refs in the relation. (same_access_functions): Moved... (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt. (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component, debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg, struct rdg_vertex_info, ): New. (create_rdg_edge_for_ddr): Compute the dependence level before looking at DDR_REVERSED_P. (create_rdg_vertices): Initialize the htab of graph->indexes. Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT. (stmts_from_loop): Don't save LABEL_EXPR. (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New. (build_rdg): Initialize rdg->indexes. (free_rdg, stores_from_loop, ref_base_address, rdg_defs_used_in_other_loops_p, have_similar_memory_accesses, have_similar_memory_accesses_1, ref_base_address_1, remove_similar_memory_refs): New. * tree-data-ref.h: Include tree-chrec.h. (debug_data_dependence_relations): Declared. (same_access_functions): ...here. Now static inline. (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New. (struct rdg_vertex): New fields has_mem_write, has_mem_reads. (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New. (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component, debug_rdg_component, dump_rdg, debug_rdg, dot_rdg, rdg_vertex_for_stmt): Declared. (struct rdg_edge): New field level. (RDGE_LEVEL, free_rdg): New. (stores_from_loop, remove_similar_memory_refs, rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared. (rdg_has_similar_memory_accesses): New. * lambda.h (dependence_level): New. * common.opt (ftree-loop-distribution): New. * tree-flow.h (debug_loop_ir): Renamed debug_loops. (print_loop_ir): Renamed print_loops. (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb, tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared. * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h. (tree-loop-distribution.o): Added. * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb. (mark_virtual_ops_in_bb): New. (print_loops_bb, debug_loop_num, debug_loop): New. * passes.c: Scheduled pass_loop_distribution. 2007-12-12 Konrad Trifunovic * graphite.c (scan_tree_for_params): Correct the number of columns for polylib format. (nb_flat_iterator): New. (setup_cloog_loop): Initialize to 1 the first column for inequalities. (build_scop_iteration_domain): Correct the number of columns for polylib format. 2007-12-12 Sebastian Pop * Merge from mainline (129697:130800). 2007-10-30 Sebastian Pop * graphite.c (build_graphite_bb): SCoP's basic blocks are post dominated by SCoP's exit. (graphite_transform_loops): Compute post dominators. 2007-10-28 Sebastian Pop * Merge from mainline (127169:129697). 2007-10-28 Sebastian Pop * graphite.c (affine_expr): Renamed scop_affine_expr. Use an extra parameter for the basic block that contains the expression. Use outermost_loop_in_scop for evolution_function_is_affine_multivariate_p. (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of the expression. * graphite.h (gbb_loop): New. (GBB_LOOP): Removed. 2007-08-03 Sebastian Pop * Makefile.in: Fix merge problem. 2007-08-03 Sebastian Pop * Merge from mainline (125309:127169). * tree-loop-distribution.c: Disabled. 2007-06-05 Sebastian Pop * Merge from mainline (r123693:125309). 2007-05-30 Sebastian Pop * tree-loop-distribution.c (correct_modify_expr_p): Renamed correct_modify_p (correct_modify_p, check_statements, number_of_lvalue_uses, number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT instead of MODIFY_EXPR. (update_edge_with_ddv): Don't pass index_of_edge. Initialize and push new edges. 2007-05-24 Sebastian Pop * tree-loop-distribution.c (struct rdg): Replace arrays by VECs for edges and vertices. (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed. (RDGV_NB_PARTITIONS): New. (PRDG_NBV, PRDG_NBE): Removed. (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg, dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg, number_of_scalar_dependences, create_edges, build_rdg): Use VECs. 2007-05-17 Georges-Andre Silber Sebastian Pop * doc/invoke.texi (-ftree-loop-distribution): Document. * tree-loop-distribution.c: New file. * tree-pass.h (pass_loop_distribution): Declared. * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New. * tree-data-ref.c (initialize_data_dependence_relation): Initialize and set reversed_p. * tree-data-ref.h (data_dependence_relation): Add reversed_p. (DDR_REVERSED_P): New. * common.opt (-ftree-loop-distribution): New. * tree-flow.h (distribute_loops): Declared. * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o. * passes.c (init_optimization_passes): Schedule loop distribution. 2007-05-12 Sebastian Pop * graphite.c (print_graphite_bb): Don't call dump_data_references. (print_scop): Don't print when scop is NULL. (build_scop_context, find_transform): Don't output to stderr. 2007-05-09 Sebastian Pop * tree-data-ref.c: Don't include graphite.h. Comment out the code for printing data reference's scop. (build_access_matrix_with_af): Moved... * tree-data-ref.h (build_access_matrix_with_af): Removed declaration. * graphite.c (build_access_matrix_with_af): ... here. Now static. (print_graphite_bb): Print basic block's schedule. (print_scop): Don't print the schedule, call cloog's pretty printer. (bb_in_scop_p): A basic block is in a scop only if it is both dominated and postdominated by the scop's entry and exit basic blocks. (function_parameter_p): New. (invariant_in_scop_p): Use function_parameter_p. (new_scop, save_scop): New. (end_scop, test_for_scop_bound, build_scops): Use new_scop, and save_scop. (scan_tree_for_params): Directly build the constraint as CloogMatrix. (loop_in_scop_p): New. (scop_record_loop): Use loop_in_scop_p. (build_scop_domain): Renamed build_scop_iteration_domain. (setup_cloog_loop, initialize_cloog_names, find_scop_parameters, nb_params_in_scop, build_scop_context, first_loop_in_scop, setup_cloog_loop, dot_scop_1, dot_scop): New. * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New. (struct scop): Add a pointer to cloog's representation of a program. 2007-04-14 Sebastian Pop * doc/invoke.texi (-ftree-check-verbose): Renamed -ftree-checks-verbose. * common.opt (flag_tree_check_verbose): Renamed flag_tree_checks_verbose. * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose. 2007-04-14 Sebastian Pop * configure: Regenerated. * config.in: Regenerated. * tree-ssa-loop.c (graphite_transforms): Execute graphite_transform_loops only when HAVE_cloog. * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined. * graphite.c: Include polylibgmp.h and cloog.h. (graphite_transform_loops): Removed loops parameter. * tree-flow.h (graphite_transform_loops): Update declaration. * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New. (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS. (INCLUDES): Depend on POLYLIBINC and on CLOOGINC. (OBJS-common): Remove dependence on graphite.o. (BACKEND): Depend on @GRAPHITE@. 2007-04-13 Sebastian Pop * doc/invoke.texi (-ftree-check-verbose): Documented. * gcc.dg/tree-checker/tree-checks-1.c: New. * gcc.dg/tree-checker/tree-checks-2.c: New. * gcc.dg/tree-checker/tree-checks-3.c: New. * gcc.dg/tree-checker/tree-checks-4.c: New. * gcc.dg/tree-checker/tree-checks.exp: New. * gcc.dg/tree-checker/condates.crp: New. * common.opt (ftree-checks-verbose): New. * tree-check.c (tree_check_warning): Move extra stderr output under control of flag_tree_check_verbose. 2007-04-12 Sebastian Pop * tree-match.c: Fix comments formatting. * tree-match.h: Fix comments formatting. * tree-check.c: Fix comments formatting. (tree_check_init): Restructure. 2007-04-12 Nic Volanschi * doc/invoke.texi (-ftree-check, -ftree-checks): Documented. 2007-04-10 Sebastian Pop * Merge from mainline (r120733:123693). 2007-03-20 Nic Volanschi * condate.y: New file. * tree-match.h (struct patt_info_s): New field sign. (struct condate_s): New field msg. (normalize_condate, name_condate, add_condate): New. (conds[], condate_parse): Made extern. * tree-check.c (tree_check_warning): First arg changed to cond; warning reformatted. (tree_check_init): Reset the TREE_VISITED bit on every CFG node. (tree_scan): New. (tree_check): Process trivial condates. (read_delimited_string): Removed. (print_cond): Print name and msg. (conds[]): Made extern. (parse_tree_check_file_once): Rewritten to use the parser in condate.y. Processing of option --tree_check_string moved to tree_scan(). * Makefile.in: Added condate.y 2007-03-12 Sebastian Pop * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node): Use VECs instead of varrays. * diagnostic.h (lazy_dump_generic_node): Update declaration. * Makefile.in (pretty-print.o): Depend on vec.h. * pretty-print.c: Include tree.h and vec.h. (pp_clear_state, pp_write_list_to_stream, pp_base_format, pp_base_format, pp_construct, pp_base_string, pp_lazy_mode, new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list, pp_free_list): Use VECs instead of varrays. * pretty-print.h: Do not include varray.h. (struct tree_chunk_s): Declaration moved before its use. (output_buffer): Rename varray field to chunks. * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead, tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo, save_global_holes): Use VECs instead of varrays. * tree-match.h: Declare VECs of cfg_node, and hole_p. * tree-check.c (scan_cfg_stmts, push_node, print_matching_stmt): Removed. (tree_check_instance, push_global_holes_if_new, tree_check, execute_tree_check): Use VECs instead of varrays. (gate_tree_check): Don't execute the CFG check when basic_block_info is not available. 2007-01-12 Sebastian Pop * Merge from mainline (r115016:120733). 2007-01-12 Sebastian Pop * Merge from mainline (r117632:117661). 2007-01-12 Sebastian Pop * tree-dump.c (dump_option_value_in): Add TDF_DEBUG. * tree-pass.h (TDF_DEBUG, debug_p): New. * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution, get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop, get_loop_exit_condition, analyze_evolution_in_loop, analyze_initial_condition, analyze_scalar_evolution, instantiate_parameters, number_of_latch_executions): Use debug_p. * tree-chrec.c (chrec_apply): Use debug_p. * tree-data-ref.c: Include graphite.h. (dump_data_reference): Print also the access matrix. (analyze_array, analyze_indirect_ref, init_data_ref, analyze_offset_expr, address_analysis, object_analysis, create_data_ref, finalize_ddr_dependent, non_affine_dependence_relation, analyze_ziv_subscript, analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine, can_use_analyze_subscript_affine_affine, analyze_siv_subscript, analyze_miv_subscript, analyze_overlapping_iterations, build_classic_dist_vector, subscript_dependence_tester, compute_affine_dependence, analyze_all_data_dependences): Use debug_p. (build_access_matrix_with_af): No longer static. * tree-data-ref.h (scop_p): ... declaration here. (data_reference.scop): New field. (DR_SCOP, DR_ACCESS_MATRIX): New. (build_access_matrix_with_af, dr_num_subscripts): Declared. * graphite.c (print_graphite_bb): Call dump_data_references. (print_scop): Use scop_nb_loops and scop_dim_domain. (test_for_scop_bound): Use debug_p. (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and scop_nb_params. (scop_loop_index): Moved... (scop_record_loop): New. (build_scop_loop_nests): Use scop_record_loop. (build_scop_domain): Use scop_dim_domain. (build_access_matrix): Implemented. (build_scop_canonical_schedules): Use scop_nb_loops. (build_graphite_bb): Initialize GBB_SCOP. * graphite.h (scop_p): Moved... (graphite_bb.scop): New field. (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params, scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS, SCOP_DIM_DOMAIN, SCOP_STMTS): Removed. (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain, scop_loop_index): New. * Makefile.in (tree-data-ref.o): Depends on graphite.h. 2007-01-05 Sebastian Pop * Merge from mainline (r117661:120450). 2006-10-12 Sebastian Pop * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop at the first declaration outside the varying loop, instantiate as far as possible. * tree-chrec.c (for_each_scev_op): New. * tree-chrec.h (for_each_scev_op): Declared. * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function. * tree-data-ref.c (get_references_in_stmt, find_data_references_in_stmt): New, from trunk. (find_data_references_in_loop): Use get_references_in_stmt and find_data_references_in_loop, modified as in trunk. (build_access_matrix_with_af): New. * tree-data-ref.h (data_reference): Add a field access_matrix. (data_ref_loc): New, as in trunk. * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p, invariant_in_scop_p, param_index, scan_tree_for_params, scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data, idx_record_param, idx_record_params, build_access_matrix, build_scop_data_accesses, build_scop_canonical_schedules, build_graphite_bb, build_scop_bbs, find_params_in_bb, build_scop_params): New. * graphite.h (graphite_bb): New. (scop): Add fields static_schedule, params, loop_nest, iteration_domain. * lambda.h: Declare vecs of lambda_matrix. * tree-flow.h (print_loop_ir_bb): Declared. * tree-cfg.c (print_loop_ir_bb): New. (print_loop): Use print_loop_ir_bb. 2006-10-12 Sebastian Pop * Merge from mainline (r115016:117632). 2006-10-11 Sebastian Pop * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap break due to a warning. 2006-10-10 Sebastian Pop * graphite.c (print_scops, debug_scops): New. (graphite_transform): Renamed graphite_find_transform. * graphite.h (debug_scops): Declared. 2006-08-17 Sebastian Pop * tree-match.c: Reformat following the GNU style. * tree-match.h: Reformat following the GNU style. * tree-pattern.h: Removed empty file. * Makefile.in: Remove references to tree-pattern.h. * tree-check.c: Reformat following the GNU style. (execute_tree_check): Move gate condition code to... (gate_tree_check): ...here. New function. (pass_check): Use the gate function. 2006-07-04 Nic Volanschi * tree-pattern.h: New. Tree pattern matching and checking using concrete syntax. * tree-check.c: New. Tree/CFG checking pass. * tree-match.c: New. Library for tree pattern matching. * opts.c, common.opt: Add options --ftree-check & --ftree-checks. * toplev.c, flags.h: Add globals for tree-check pass. * Makefile.in: Integrate the files in tree-check pass. * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass. * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h: Introduce a "lazy" pretty-print mode. * tree.c, tree.h: Add tree_name. 2006-07-04 Sebastian Pop * doc/invoke.texi (-fgraphite): Correct typo. * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update use of print_loop_ir. * gcc.dg/graphite/scop-1.c: New. * gcc.dg/graphite/scop-2.c: New. * gcc.dg/graphite/graphite.exp: New. * graphite.c: Include domwalk.h. (print_scop): Print only the entry and exit blocks. (debug_scop): No longer static. (affine_expr): Fix formating. Return also true when the expression is constant. (stmt_simple_for_scop_p): Fix formating. (build_scops): Use domwalk. (get_loop_start, end_scop, test_for_scop_bound): New. (graphite_transform_loops): Avoid printing on stderr. * graphite.h (debug_scop): Declared. * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations. * Makefile.in (graphite.o): Depend on domwalk.h. * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove declarations for static functions. (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for controlling output verbosity. 2006-06-26 Sebastian Pop Plesco Alexandru * doc/invoke.texi (-fgraphite): Document. * tree-pass.h (pass_graphite_transforms): Declared. * timevar.def (TV_GRAPHITE_TRANSFORMS): New. * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New. (pass_graphite_transforms): Defined. * tree-data-ref.c (free_data_ref, data_reference): Extern. * tree-data-ref.h (free_data_ref, data_reference): Declared. * graphite.c, graphite.h: New. * common.opt (fgraphite): Declared. * tree-flow.h (graphite_transform_loops): Declared. * Makefile.in (OBJS-common): Add graphite.o. (graphite.o): New rule. * passes.c (pass_graphite_transforms): Scheduled.