| Age | Commit message (Collapse) | Author | Files | Lines |
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2009-04-03 Richard Guenther <rguenther@suse.de>
PR middle-end/13146
PR tree-optimization/23940
PR tree-optimization/33237
PR middle-end/33974
PR middle-end/34093
PR tree-optimization/36201
PR tree-optimization/36230
PR tree-optimization/38049
PR tree-optimization/38207
PR tree-optimization/38230
PR tree-optimization/38301
PR tree-optimization/38585
PR middle-end/38895
PR tree-optimization/38985
PR tree-optimization/39299
* tree-ssa-structalias.h: Remove.
* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
(NULL_DEF_OPERAND_P): Make of type def_operand_p.
(struct vuse_element_d): Remove.
(struct vuse_vec_d): Likewise.
(VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
VUSE_ELEMENT_VAR): Likewise.
(struct voptype_d): Likewise.
(NUM_VOP_FREE_BUCKETS): Likewise.
(struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
(struct stmt_operands_d): Remove.
(VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
VDEF_NUM, VDEF_VECT): Likewise.
(copy_virtual_operands): Remove.
(operand_build_cmp): Likewise.
(create_ssa_artificial_load_stmt): Likewise.
(enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
(struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
vuse_index and mayuse_index members. Pack and move done and iter_type
members to the front.
(SSA_OP_VMAYUSE): Remove.
(SSA_OP_VIRTUAL_USES): Adjust.
(FOR_EACH_SSA_VDEF_OPERAND): Remove.
(unlink_stmt_vdef): Declare.
(add_to_addressable_set): Remove.
* tree-vrp.c (stmt_interesting_for_vrp): Adjust.
(vrp_visit_stmt): Likewise.
* doc/tree-ssa.texi (Alias analysis): Update.
* doc/invoke.texi (max-aliased-vops): Remove docs.
(avg-aliased-vops): Likewise.
* tree-into-ssa.c (syms_to_rename): Remove.
(need_to_update_vops_p): Likewise.
(need_to_initialize_update_ssa_p): Rename to ...
(update_ssa_initialized_fn): ... this. Track function we are
initialized for.
(symbol_marked_for_renaming): Simplify.
(add_new_name_mapping): Do not set need_to_update_vops_p.
(dump_currdefs): Use SYMS_TO_RENAME.
(rewrite_update_stmt): Always walk all uses/defs.
(dump_update_ssa): Adjust.
(init_update_ssa): Take function argument. Track what we are
initialized for.
(delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
(create_new_def_for): Initialize for cfun, assert we are initialized
for cfun.
(mark_sym_for_renaming): Simplify.
(mark_set_for_renaming): Do not initialize update-ssa.
(need_ssa_update_p): Simplify. Take function argument.
(name_mappings_registered_p): Assert we ask for the correct function.
(name_registered_for_update_p): Likewise.
(ssa_names_to_replace): Likewise.
(release_ssa_name_after_update_ssa): Likewise.
(update_ssa): Likewise. Use SYMS_TO_RENAME.
(dump_decl_set): Do not print a newline.
(debug_decl_set): Do it here.
(dump_update_ssa): And here.
* tree-ssa-loop-im.c (move_computations): Adjust.
(movement_possibility): Likewise.
(determine_max_movement): Likewise.
(gather_mem_refs_stmt): Likewise.
* tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
or NAME_MEMORY_TAG.
* tree-complex.c (update_all_vops): Remove.
(expand_complex_move): Adjust.
* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
Simplify test for memory referencing statement. Exclude
non-invariant ADDR_EXPRs.
* tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
* tree-loop-distribution.c (generate_memset_zero): Adjust.
(rdg_flag_uses): Likewise.
* tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
related code.
(tree_optimize_tail_calls_1): Also split the
edge from the entry block if we have degenerate PHI nodes in
the first basic block.
* tree.c (init_ttree): Remove memory-tag related code.
(tree_code_size): Likewise.
(tree_node_structure): Likewise.
(build7_stat): Re-write to be build6_stat.
* tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
(SSA_VAR_P): Adjust.
(struct tree_memory_tag): Remove.
(struct tree_memory_partition_tag): Likewise.
(union tree_node): Adjust.
(build7): Re-write to be build6.
* tree-pass.h (pass_reset_cc_flags): Remove.
(TODO_update_address_taken): New flag.
(pass_simple_dse): Remove.
* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
* params.h (MAX_ALIASED_VOPS): Remove.
(AVG_ALIASED_VOPS): Likewise.
* omp-low.c (expand_omp_taskreg): Update SSA form.
* tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
aliases the lhs in a copy stmt.
* tree-ssa-dse.c (struct address_walk_data): Remove.
(memory_ssa_name_same): Likewise.
(memory_address_same): Likewise.
(get_kill_of_stmt_lhs): Likewise.
(dse_possible_dead_store_p): Simplify, use the oracle. Handle
unused stores. Look through PHI nodes into post-dominated regions.
(dse_optimize_stmt): Simplify. Properly remove stores.
(tree_ssa_dse): Compute dominators.
(execute_simple_dse): Remove.
(pass_simple_dse): Likewise.
* ipa-reference.c (scan_stmt_for_static_refs): Open-code
gimple_loaded_syms and gimple_stored_syms computation.
* toplev.c (dump_memory_report): Dump alias and pta stats.
* tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
(vn_reference_eq): Likewise.
(vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
valueize_vuses): Remove.
(get_def_ref_stmt_vuses): Simplify. Rename to ...
(get_def_ref_stmt_vuse): ... this.
(vn_reference_lookup_2): New function.
(vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
walking equivalent vuses. Simplify.
(vn_reference_lookup): Likewise.
(vn_reference_insert): Likewise.
(vn_reference_insert_pieces): Likewise.
(visit_reference_op_call): Simplify.
(visit_reference_op_load): Likewise.
(visit_reference_op_store): Likewise.
(init_scc_vn): Remove shared_lookup_vuses initialization.
(free_scc_vn): Remove shared_lookup_vuses freeing.
(sort_vuses, sort_vuses_heap): Remove.
(get_ref_from_reference_ops): Export.
* tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
vector with single vuse pointer.
(vn_reference_lookup_pieces, vn_reference_lookup,
vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
(shared_vuses_from_stmt): Remove.
(get_ref_from_reference_ops): Declare.
* tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
memory-tag related code.
* tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
(likely_value): Add comment, skip static-chain of call statements.
(surely_varying_stmt_p): Adjust.
(gimplify_and_update_call_from_tree): Likewise.
(execute_fold_all_builtins): Do not rebuild alias info.
(gimplify_and_update_call_from_tree): Properly update VOPs.
* tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
(copy_ref_info): Remove memory-tag related code.
* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
* ipa-pure-const.c (check_decl): Remove memory-tag related code.
(check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
computation.
* tree-ssa-dom.c (gimple_p): Remove typedef.
(eliminate_redundant_computations): Adjust.
(record_equivalences_from_stmt): Likewise.
(avail_expr_hash): Likewise.
(avail_expr_eq): Likewise.
* tree-ssa-propagate.c (update_call_from_tree): Properly
update VOPs.
(stmt_makes_single_load): Likewise.
(stmt_makes_single_store): Likewise.
* tree-ssa-alias.c: Rewrite completely.
(debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
debug_mem_sym_stats, dump_mem_sym_stats_for_var,
debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
Remove public functions.
(pass_reset_cc_flags): Remove.
(pass_build_alias): Move ...
* tree-ssa-structalias.c (pass_build_alias): ... here.
* tree-ssa-alias.c (may_be_aliased): Move ...
* tree-flow-inline.h (may_be_aliased): ... here.
tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
count_uses_and_derefs): Move ...
* gimple.c: ... here.
* gimple.h (count_uses_and_derefs): Declare.
* tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
New functions.
* tree-dfa.c (refs_may_alias_p): Move ...
* tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
* tree-ssa-alias.h: New file.
* tree-ssa-sink.c (is_hidden_global_store): Adjust.
(statement_sink_location): Likewise.
* opts.c (decode_options): Do not adjust max-aliased-vops or
avg-aliased-vops values.
* timevar.def (TV_TREE_MAY_ALIAS): Remove.
(TV_CALL_CLOBBER): Likewise.
(TV_FLOW_SENSITIVE): Likewise.
(TV_FLOW_INSENSITIVE): Likewise.
(TV_MEMORY_PARTITIONING): Likewise.
(TV_ALIAS_STMT_WALK): New timevar.
* tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
* tree-ssa-address.c (create_mem_ref_raw): Use build6.
(get_address_description): Remove memory-tag related code.
* tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
* treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
* tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
and immediate uses in statements. Document.
* gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
(dump_symbols): Remove.
(dump_gimple_mem_ops): Do not dump loaded or stored syms.
* alias.c (get_deref_alias_set): New function split out from ...
(get_alias_set): ... here.
* alias.h (get_deref_alias_set): Declare.
* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
type parameter. Remove restrict pointer handling. Create a
ref-all pointer in case type-based alias sets do not conflict.
(vect_analyze_data_refs): Remove SMT related code.
* tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
(vectorizable_load): Likewise.
* tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
(DR_SYMBOL_TAG, DR_VOPS): Remove.
* tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
Ignore vops and SMTs.
(dr_analyze_alias): Likewise..
(free_data_ref): Likewise.
(create_data_ref): Likewise.
(analyze_all_data_dependences): Likewise.
(get_references_in_stmt): Adjust.
* tree-flow-inline.h (gimple_aliases_computed_p,
gimple_addressable_vars, gimple_call_clobbered_vars,
gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
factoring_name_p, mark_call_clobbered, clear_call_clobbered,
compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
gimple_mem_ref_stats): Remove.
(gimple_vop): New function.
(op_iter_next_use): Remove vuses and mayuses cases.
(op_iter_next_def): Remove vdefs case.
(op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
(clear_and_done_ssa_iter): Do not set removed fields.
(op_iter_init): Likewise. Skip vuse and/or vdef if requested.
Assert we are not iterating over vuses or vdefs if not also
iterating over uses or defs.
(op_iter_init_use): Likewise.
(op_iter_init_def): Likewise.
(op_iter_next_vdef): Remove.
(op_iter_next_mustdef): Likewise.
(op_iter_init_vdef): Likewise.
(compare_ssa_operands_equal): Likewise.
(link_use_stmts_after): Handle vuse operand.
(is_call_used): Use is_call_clobbered.
(is_call_clobbered): Global variables are always call clobbered,
query the call-clobbers bitmap.
(mark_call_clobbered): Ignore global variables.
(clear_call_clobbered): Likewise.
* tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
virtual operands sanity check.
* tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
Remove.
(TARGET_MEM_REF): Remove TMR_TAG operand.
* tree-dfa.c (add_referenced_var): Initialize call-clobber state.
Remove call-clobber related code.
(remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
(dump_variable): Do not dump SMTs, memory stats, may-aliases or
partitions or escape reason.
(get_single_def_stmt, get_single_def_stmt_from_phi,
get_single_def_stmt_with_phi): Remove.
(dump_referenced_vars): Tidy.
(get_ref_base_and_extent): Allow bare decls.
(collect_dfa_stats): Adjust.
* graphite.c (rename_variables_in_stmt): Adjust.
(graphite_copy_stmts_from_block): Likewise.
(translate_clast): Likewise.
* tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
(EXPR_DIES): New.
(translate_vuse_through_block): Use the oracle.
(phi_translate_1): Adjust.
(value_dies_in_block_x): Use the oracle. Cache the outcome
in EXPR_DIES.
(valid_in_sets): Check if the VUSE for
a REFERENCE is available.
(eliminate): Do not remove stmts during elimination,
instead queue and remove them afterwards.
(do_pre): Do not rebuild alias info.
(pass_pre): Run TODO_rebuild_alias before PRE.
* tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
* tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
(mark_all_v_defs_stmt): Remove.
(mark_all_v_defs_seq): Adjust.
(sra_replace): Likewise.
(scalarize_use): Likewise.
(scalarize_copy): Likewise.
(scalarize_init): Likewise.
(scalarize_ldst): Likewise.
(todoflags): Remove.
(tree_sra): Do not rebuild alias info.
(tree_sra_early): Adjust.
(pass_sra): Run TODO_update_address_taken before SRA.
* tree-predcom.c (set_alias_info): Remove.
(prepare_initializers_chain): Do not call it.
(mark_virtual_ops_for_renaming): Adjust.
(mark_virtual_ops_for_renaming_list): Remove.
(initialize_root_vars): Adjust.
(initialize_root_vars_lm): Likewise.
(prepare_initializers_chain): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
(may_propagate_copy_into_stmt): Likewise.
(merge_alias_info): Do nothing for now.
(propagate_tree_value_into_stmt): Adjust.
(stmt_may_generate_copy): Likewise.
* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
not mark symbols for renaming.
(forward_propagate_addr_expr): Match up push/pop_stmt_changes
with the same statement, make sure to update the new pointed-to one.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
call statements, do not mark symbols for renaming.
(mark_operand_necessary): Dump something.
(ref_may_be_aliased): New function.
(mark_aliased_reaching_defs_necessary_1): New helper function.
(mark_aliased_reaching_defs_necessary): Likewise.
(mark_all_reaching_defs_necessary_1): Likewise.
(mark_all_reaching_defs_necessary): Likewise.
(propagate_necessity): Do not process virtual PHIs. For
non-aliased loads mark all reaching definitions as necessary.
For aliased loads and stores mark the immediate dominating
aliased clobbers as necessary.
(visited): New global static.
(perform_tree_ssa_dce): Free visited bitmap after propagating
necessity.
(remove_dead_phis): Perform simple dead virtual PHI removal.
(remove_dead_stmt): Properly unlink virtual operands when
removing stores.
(eliminate_unnecessary_stmts): Schedule PHI removal after
stmt removal.
* tree-ssa-ter.c (is_replaceable_p): Adjust.
(process_replaceable): Likewise.
(find_replaceable_in_bb): Likewise.
* tree-ssa.c (verify_ssa_name): Verify all VOPs are
based on the single gimple vop.
(verify_flow_insensitive_alias_info): Remove.
(verify_flow_sensitive_alias_info): Likewise.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(verify_alias_info): Likewise.
(verify_ssa): Adjust..
(execute_update_addresses_taken): Export. Update SSA
manually. Optimize only when optimizing. Use a local bitmap.
(pass_update_address_taken): Remove TODO_update_ssa, add
TODO_dump_func.
(pass_update_address_taken): Just use TODO_update_address_taken.
(init_tree_ssa): Do not initialize addressable_vars.
(verify_ssa): Verify new VUSE / VDEF properties.
Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
Do not call verify_alias_info.
(delete_tree_ssa): Clear the VUSE, VDEF operands.
Do not free the loaded and stored syms bitmaps. Reset the escaped
and callused solutions. Do not free addressable_vars.
Remove memory-tag related code.
(warn_uninitialized_var): Aliases are always available.
* tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
* lambda-code.c (can_put_in_inner_loop): Adjust.
(can_put_after_inner_loop): Likewise.
(perfect_nestify): Likewise.
* tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
(vect_gen_widened_results_half): Remove CALL_EXPR handling.
(vectorizable_conversion): Do not mark symbols for renaming.
* tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
(expand_call_inline): Unlink the calls virtual operands before
replacing it.
(tree_function_versioning): Do not call update_ssa if we are not
updating clones. Simplify.
* tree-ssa-phiprop.c (phivn_valid_p): Adjust.
(propagate_with_phi): Likewise..
* tree-outof-ssa.c (create_temp): Remove memory tag and call
clobber code. Assert we are not aliased or global.
* tree-flow.h: Include tree-ssa-alias.h
(enum escape_type): Remove.
(struct mem_sym_stats_d): Likewise.
(struct mem_ref_stats_d): Likewise.
(struct gimple_df): Add vop member. Remove global_var,
call_clobbered_vars, call_used_vars, addressable_vars,
aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
escaped and callused members.
(struct ptr_info_def): Remove all members, add points-to solution
member pt.
(struct var_ann_d): Remove in_vuse_list, in_vdef_list,
call_clobbered, escape_mask, mpt and symbol_mem_tag members.
* Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
(tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
(tree-ssa-alias.o): Likewise.
(toplev.o): Add tree-ssa-alias.h
(GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
* gimple.c (gimple_set_bb): Fix off-by-one error.
(is_gimple_reg): Do not handle memory tags.
(gimple_copy): Also copy virtual operands.
Delay updating the statement. Do not reset loaded and stored syms.
(gimple_set_stored_syms): Remove.
(gimple_set_loaded_syms): Likewise.
(gimple_call_copy_skip_args): Copy the virtual operands
and mark the new statement modified.
* tree-ssa-structalias.c (may_alias_p): Remove.
(set_uids_in_ptset): Take the alias set to prune with as
parameter. Fold in the alias test of may_alias_p.
(compute_points_to_sets): Compute whether a ptr is dereferenced
in a local sbitmap.
(process_constraint): Deal with &ANYTHING on the lhs, reject all
other ADDRESSOF constraints on the lhs.
(get_constraint_for_component_ref): Assert that we don't get
ADDRESSOF constraints from the base of the reference.
Properly generate UNKNOWN_OFFSET for DEREF if needed.
(struct variable_info): Remove collapsed_to member.
(get_varinfo_fc): Remove.
(new_var_info): Do not set collapsed_to.
(dump_constraint): Do not follow cycles.
(dump_constraint_graph): Likewise.
(build_pred_graph): Likewise.
(build_succ_graph): Likewise.
(rewrite_constraints): Likewise.
(do_simple_structure_copy): Remove.
(do_rhs_deref_structure_copy): Remove.
(do_lhs_deref_structure_copy): Remove.
(collapse_rest_of_var): Remove.
(do_structure_copy): Re-implement.
(pta_stats): New global variable.
(dump_pta_stats): New function.
(struct constraint_expr): Make offset signed.
(UNKNOWN_OFFSET): Define special value.
(dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
(solution_set_expand): New helper function split out from ...
(do_sd_constraint): ... here.
(solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
(do_ds_constraint): Likewise.
(do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
and CALLUSED = *CALLUSED.
(set_union_with_increment): Make inc argument signed.
(type_safe): Remove.
(get_constraint_for_ptr_offset): Handle unknown and negative
constant offsets.
(first_vi_for_offset): Handle offsets before start. Bail
out early for offsets beyond the variable extent.
(first_or_preceding_vi_for_offset): New function.
(init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
Together with ESCAPED = *ESCAPED this properly computes reachability.
(find_what_var_points_to): New function.
(find_what_p_points_to): Implement in terms of find_what_var_points_to.
(pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
pt_solutions_intersect): New functions.
(compute_call_used_vars): Remove.
(compute_may_aliases): New main entry into PTA computation.
* gimple.h (gimple_p): New typedef.
(struct gimple_statement_base): Remove references_memory_p.
(struct gimple_statement_with_memory_ops_base): Remove
vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
members.
(gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
gimple_set_references_memory): Remove.
(gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
New functions.
* tree-cfg.c (move_block_to_fn): Fix off-by-one error.
(verify_expr): Allow RESULT_DECL.
(gimple_duplicate_bb): Do not copy virtual operands.
(gimple_duplicate_sese_region): Adjust.
(gimple_duplicate_sese_tail): Likewise.
(mark_virtual_ops_in_region): Remove.
(move_sese_region_to_fn): Do not call it.
* passes.c (init_optimization_passes): Remove pass_reset_cc_flags
and pass_simple_dse.
(execute_function_todo): Handle TODO_update_address_taken,
call execute_update_addresses_taken for TODO_rebuild_alias.
(execute_todo): Adjust.
(execute_one_pass): Init dump files early.
* ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
call-clobbered.
(create_general_new_stmt): Clear vops.
* tree-ssa-reassoc.c (get_rank): Adjust.
* tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
symbols for renaming.
* params.def (PARAM_MAX_ALIASED_VOPS): Remove.
(PARAM_AVG_ALIASED_VOPS): Likewise.
* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
* tree-ssa-operands.c: Simplify for new virtual operand
representation.
(operand_build_cmp, copy_virtual_operands,
create_ssa_artificial_load_stmt, add_to_addressable_set,
gimple_add_to_addresses_taken): Remove public functions.
(unlink_stmt_vdef): New function.
* gcc.dg/pr19633-1.c: Adjust.
* gcc.dg/torture/pta-callused-1.c: Likewise.
* gcc.dg/torture/pr39074-2.c: Likewise.
* gcc.dg/torture/pr39074.c: Likewise.
* gcc.dg/torture/pta-ptrarith-3.c: New testcase.
* gcc.dg/torture/pr30375.c: Adjust.
* gcc.dg/torture/pr33563.c: Likewise.
* gcc.dg/torture/pr33870.c: Likewise.
* gcc.dg/torture/pr33560.c: Likewise.
* gcc.dg/torture/pta-structcopy-1.c: New testcase.
* gcc.dg/torture/ssa-pta-fn-1.c: Likewise.
* gcc.dg/tree-ssa/alias-15.c: Remove.
* gcc.dg/tree-ssa/ssa-dce-4.c: New testcase.
* gcc.dg/tree-ssa/pr26421.c: Adjust.
* gcc.dg/tree-ssa/ssa-fre-10.c: XFAIL.
* gcc.dg/tree-ssa/ssa-dce-5.c: New testcase.
* gcc.dg/tree-ssa/pr23382.c: Adjust.
* gcc.dg/tree-ssa/ssa-fre-20.c: New testcase.
* gcc.dg/tree-ssa/alias-16.c: Adjust.
* gcc.dg/tree-ssa/ssa-fre-13.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-14.c: Likewise.
* gcc.dg/tree-ssa/alias-18.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-15.c: Likewise.
* gcc.dg/tree-ssa/ssa-lim-3.c: Likewise.
* gcc.dg/tree-ssa/alias-19.c: Likewise.
* gcc.dg/tree-ssa/pta-ptrarith-1.c: New testcase.
* gcc.dg/tree-ssa/pr13146.c: Likewise.
* gcc.dg/tree-ssa/ssa-pre-23.c: Likewise.
* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-18.c: Likewise.
* gcc.dg/tree-ssa/ssa-pre-24.c: New XFAILed testcase.
* gcc.dg/tree-ssa/ssa-fre-19.c: New testcase.
* gcc.dg/tree-ssa/alias-20.c: Likewise.
* gcc.dg/tree-ssa/ssa-dse-12.c: Likewise.
* gcc.dg/tree-ssa/pr38895.c: Likewise.
* gcc.dg/uninit-B.c: XFAIL.
* gcc.dg/vect/no-vfa-vect-43.c: Adjust.
* gcc.dg/uninit-pr19430.c: XFAIL.
* g++.dg/tree-ssa/pr13146.C: New testcase.
* g++.dg/opt/pr36187.C: Adjust.
* g++.dg/torture/20090329-1.C: New testcase.
From-SVN: r145494
|
|
introduced by my previous patch.
* tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
test introduced by my previous patch.
From-SVN: r145194
|
|
* cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
cgraph_clone_node): Remove master clone handling.
(cgraph_is_master_clone, cgraph_master_clone): Remove.
* cgraph.h (master_clone): Remove.
(cgraph_is_master_clone, cgraph_master_clone): Remove.
* ipa-type-escape.c (type_escape_execute): Remove use of master clone.
(tree-ssa-structalias.c (ipa_pta_execute): Likewise.
From-SVN: r145175
|
|
2009-03-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39120
* tree-ssa-structalias.c (handle_rhs_call): Fill out return
constraints.
(handle_lhs_call): Process return constraints. Add escape
constraints if necessary.
(handle_const_call): Fill out return constraints. Make nested
case more precise. Avoid consttmp if possible.
(handle_pure_call): Fill out return constraints. Avoid
callused if possible.
(find_func_aliases): Simplify call handling.
* gcc.c-torture/execute/pr39120.c: New testcase.
2009-03-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39120
* tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
as a representative.
(solve_graph): Do propagate CALLUSED.
(handle_pure_call): Use a scalar constraint from CALLUSED for
the return value.
(find_what_p_points_to): CALLUSED shall not appear in poins-to
solutions.
* gcc.dg/torture/pta-callused-1.c: New testcase.
From-SVN: r145137
|
|
2009-03-23 Richard Guenther <rguenther@suse.de>
* cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
* tree.h (struct tree_type): Likewise.
* reload.h (struct insn_chain): Likewise.
* dwarf2out.c (struct dw_loc_descr_struct): Likewise.
* function.h (struct function): Likewise.
* tree-ssa-structalias.c (struct equiv_class_label): Likewise.
From-SVN: r145009
|
|
2009-03-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39358
* tree-ssa-structalias.c (do_sd_constraint): Fix check for
escaped_id and callused_id.
(solve_graph): Likewise.
* g++.dg/warn/Wstrict-aliasing-bogus-escape-2.C: New testcase.
* g++.dg/warn/Wstrict-aliasing-bogus-escape-3.C: Likewise.
From-SVN: r144602
|
|
From-SVN: r144324
|
|
2009-02-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39207
PR tree-optimization/39074
* tree-ssa-structalias.c (storedanything_id, var_storedanything,
storedanything_tree): New.
(do_ds_constraint): Simplify ANYTHING shortcutting. Update
the STOREDANYTHING solution if the lhs solution contains
ANYTHING.
(build_succ_graph): Add edges from STOREDANYTHING to all
non-direct nodes.
(init_base_vars): Initialize STOREDANYTHING.
(compute_points_to_sets): Free substitution info after
building the succ graph.
(ipa_pta_execute): Likewise.
* gcc.dg/torture/pr39074.c: New testcase.
* gcc.dg/torture/pr39074-2.c: Likewise.
* gcc.dg/torture/pr39074-3.c: Likewise.
* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
field.
(do_ds_constraint): Do not add to special var or non-pointer
field solutions.
(type_could_have_pointers): Split out from ...
(could_have_pointers): ... here. For arrays use the element type.
(create_variable_info_for): Initialize may_have_pointers.
(new_var_info): Likewise.
(handle_lhs_call): Make the HEAP variable unknown-sized.
(intra_create_variable_infos): Use a type with pointers for
PARM_NOALIAS, make it unknown-sized.
From-SVN: r144292
|
|
collapse_rest_of_var, at tree-ssa-structalias.c:3296)
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39202
* tree-ssa-structalias.c (do_structure_copy): Before collapsing
a var make sure to follow existing collapses.
* gcc.c-torture/compile/pr39202.c: New testcase.
From-SVN: r144235
|
|
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39207
* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
strict-aliasing warnings for pointers pointing to NULL.
From-SVN: r144228
|
|
2009-02-05 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/39100
* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
comment says and add edges.
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r143951
|
|
break strict-aliasing)
2009-01-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38937
* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
computing the transitive closure.
From-SVN: r143819
|
|
PTA, even with -fno-delete-null-pointer-checks)
gcc:
2009-01-28 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38984
* tree-ssa-structalias.c (get_constraints_for_1): Do not use
the nothing_id variable if -fno-delete-null-pointer-checks.
gcc/testsuite:
2009-01-28 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38984
* gcc.dg/pr38984.c: New XFAILed testcase.
From-SVN: r143721
|
|
2009-01-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38503
* cfgexpand.c (expand_gimple_basic_block): Ignore
GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
variables that cannot have TBAA applied.
(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
statements.
* g++.dg/warn/Wstrict-aliasing-bogus-placement-new.C: New testcase.
From-SVN: r143700
|
|
call-clobbered vars)
2009-01-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38826
PR middle-end/38477
* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
initialization notes only if we actually emitted a warning.
(intra_create_variable_infos): Add constraints for a result decl
that is passed by hidden reference.
(build_pred_graph): Mark all related variables non-direct on
address-taking.
* gcc.dg/Wstrict-aliasing-bogus-pta-1.c: New testcase.
From-SVN: r143374
|
|
grub-0.97)
2008-12-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38445
* tree-ssa-structalias.c (emit_pointer_definition): Only visit
names once.
(emit_alias_warning): Adjust.
From-SVN: r142590
|
|
2008-12-04 Richard Guenther <rguenther@suse.de>
PR middle-end/36509
PR c++/38334
* Makefile.in (tree-ssa-alias-warnings.o): Remove.
(tree-ssa-structalias.o): Remove errors.h dependency.
(tree-ssa-reassoc.o): Likewise.
* tree-ssa-reassoc.c: Do not include errors.h.
* tree-ssa-alias-warnings.c: Remove.
* tree-ssa-alias.c (compute_may_aliases): Remove call to
strict_aliasing_warning_backend.
* tree-ssa-structalias.c (emit_pointer_definition): New function.
(emit_alias_warning): Likewise.
(set_uids_in_ptset): Warn for clear cases of type-punning.
* tree-inline.c (remap_gimple_op_r): Preserve TREE_NO_WARNING
on INDIRECT_REFs.
cp/
* typeck.c (get_member_function_from_ptrfunc): Mark the vtbl
pointer access with TREE_NO_WARNING.
* gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c: Adjust, remove XFAIL.
* gcc.dg/Wstrict-aliasing-converted-assigned.c: Adjust.
* g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C: Likewise.
From-SVN: r142437
|
|
the static chain parameter.
2008-11-27 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (intra_create_variable_infos): Make
a constraint for the static chain parameter.
From-SVN: r142242
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|
2008-11-25 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/37869
* tree-ssa-structalias.c (struct constraint_graph): Remove
pt_used and number_incoming members.
(build_pred_graph): Do not allocate them.
(condense_visit): Do not use them.
(label_visit): Likewise.
(free_var_substitution_info): Do not free them.
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r142213
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|
2008-10-22 Richard Guenther <rguenther@suse.de>
* tree.def (COMPLEX_TYPE): Constrain element type.
* tree.c (build_complex_type): Assert that.
* tree-ssa-structalias.c (could_have_pointers): Complex types
cannot have pointers.
From-SVN: r141299
|
|
heap vars or vars with a noalias state.
2008-08-29 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (create_variable_info_for): Do not
create fields for heap vars or vars with a noalias state.
For NO_ALIAS_ANYTHING variables add a self-constraint, not one
from ESCAPED.
* gfortran.fortran-torture/compile/20080806-1.f90: New testcase.
From-SVN: r139765
|
|
2008-08-29 Richard Guenther <rguenther@suse.de>
PR middle-end/37236
* tree-ssa-structalias.c (intra_create_variable_infos): Mark
PARAM_NOALIAS tags with is_heapvar.
* tree-ssa-operands.c (access_can_touch_variable): Offset
based tests do not apply for heapvars. Fix offset test.
* gfortran.fortran-torture/compile/pr37236.f: New testcase.
From-SVN: r139763
|
|
* tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to
* CONVERT_EXPR_CODE_P.
* tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
CONVERT_EXPR_P.
* tree-data-ref.c (split_constant_offset_1): Likewise.
* tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
* tree-sra.c (sra_walk_expr): Likewise.
* matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
* tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
* gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
* tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
* Likewise.
* gimple.c (gimple_assign_unary_nop_p): Likewise.
* tree-vect-transform.c (vectorizable_type_demotion)
(vectorizable_type_promotion): Likewise.
* tree-inline.c (expand_call_inline):
* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
(forward_propagate_addr_expr_1, forward_propagate_comparison)
(tree_ssa_forward_propagate_single_use_vars): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* tree-ssa-dom.c (hashable_expr_equal_p,
* iterative_hash_hashable_expr)
(gimple_assign_unary_useless_conversion_p): Likewise.
* tree-stdarg.c (execute_optimize_stdarg): Likewise.
* tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
* fold-const.c (fold_unary): Likewise.
* tree.h (CONVERT_EXPR_P): Likewise.
* tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
* tree-vrp.c:
(register_edge_assert_for_2, extract_range_from_unary_expr)
(register_edge_assert_for_1): Likewise.
* cp/tree.c (cp_tree_equal): Likewise.
From-SVN: r139204
|
|
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
* calls.c (avoid_likely_spilled_reg): Likewise.
* cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
* cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
* config/i386/i386.c (ix86_expand_special_args_builtin,
ix86_secondary_reload): Likewise.
* except.c (struct eh_region, gen_eh_region_catch,
remove_unreachable_regions, duplicate_eh_regions,
assign_filter_values, build_post_landing_pads,
sjlj_find_directly_reachable_regions, remove_eh_handler,
reachable_next_level, foreach_reachable_handler,
can_throw_internal_1, can_throw_external_1,
collect_one_action_chain): Likewise.
* expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
* fold-const.c (twoval_comparison_p, eval_subst): Likewise.
* function.c (update_temp_slot_address, instantiate_new_reg,
instantiate_virtual_regs_in_rtx,
instantiate_virtual_regs_in_insn): Likewise.
* gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
* gimplify.c (gimplify_call_expr, gimplify_init_constructor,
gimplify_cleanup_point_expr): Likewise.
* ipa-cp.c (ipcp_lattice_changed): Likewise.
* passes.c (next_pass_1): Likewise.
* print-tree.c (print_node_brief, print_node): Likewise.
* profile.c (branch_prob): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
Likewise.
* tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
copy_edges_for_bb, copy_cfg_body, copy_tree_r,
copy_arguments_for_versioning, copy_static_chain): Likewise.
* tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
add_new_name_mapping, register_new_name_mapping): Likewise.
* tree-mudflap.c (mf_xform_derefs): Likewise.
* tree-predcom.c (struct chain, dump_chain, replace_ref_with,
get_init_expr, combine_chains): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-structalias.c (create_variable_info_for): Likewise.
* tree-vrp.c (simplify_cond_using_ranges): Likewise.
* tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
* value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
From-SVN: r138809
|
|
2008-07-28 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
(insert_fake_stores): Remove.
(realify_fake_stores): Likewise.
(execute_pre): Remove dead code.
* tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary
case.
(find_func_aliases): Deal with it here instead.
Re-enable gcc_unreachable call.
From-SVN: r138213
|
|
2008-07-28 Richard Guenther <rguenther@suse.de>
Merge from gimple-tuples-branch.
* ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
* gimple.def: New file.
* gsstruct.def: Likewise.
* gimple-iterator.c: Likewise.
* gimple-pretty-print.c: Likewise.
* tree-gimple.c: Removed. Merged into ...
* gimple.c: ... here. New file.
* tree-gimple.h: Removed. Merged into ...
* gimple.h: ... here. New file.
* Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
* configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
--enable-checking=gimple flag.
* config.in: Likewise.
* configure: Regenerated.
* tree-ssa-operands.h: Tuplified.
* tree-vrp.c: Likewise.
* tree-loop-linear.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-dump.c: Likewise.
* tree-complex.c: Likewise.
* cgraphbuild.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-pretty-print.c: Likewise.
* tracer.c: Likewise.
* gengtype.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-ssa-loop-unswitch.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* value-prof.c: Likewise.
* tree-ssa-loop-ch.c: Likewise.
* tree-tailcall.c: Likewise.
* value-prof.h: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* tree-pass.h: Likewise.
* ipa-cp.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-scalar-evolution.h: Likewise.
* target.h: Likewise.
* lambda-mat.c: Likewise.
* tree-phinodes.c: Likewise.
* diagnostic.h: Likewise.
* builtins.c: Likewise.
* tree-ssa-alias-warnings.c: Likewise.
* cfghooks.c: Likewise.
* fold-const.c: Likewise.
* cfghooks.h: Likewise.
* omp-low.c: Likewise.
* tree-ssa-dse.c: Likewise.
* ipa-reference.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* toplev.c: Likewise.
* tree-gimple.c: Likewise.
* tree-gimple.h: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* cgraphunit.c: Likewise.
* tree-ssa-copyrename.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-nomudflap.c: Likewise.
* tree-call-cdce.c: Likewise.
* ipa-pure-const.c: Likewise.
* c-format.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-nrv.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* ipa-utils.c: Likewise.
* tree-ssa-propagate.h: Likewise.
* tree-ssa-alias.c: Likewise.
* gimple-low.c: Likewise.
* tree-ssa-sink.c: Likewise.
* ipa-inline.c: Likewise.
* c-semantics.c: Likewise.
* dwarf2out.c: Likewise.
* expr.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* predict.c: Likewise.
* tree-ssa-loop.c: Likewise.
* tree-parloops.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-ifcombine.c: Likewise.
* matrix-reorg.c: Likewise.
* c-decl.c: Likewise.
* tree-eh.c: Likewise.
* c-pretty-print.c: Likewise.
* lambda-trans.c: Likewise.
* function.c: Likewise.
* langhooks.c: Likewise.
* ebitmap.h: Likewise.
* tree-vectorizer.c: Likewise.
* function.h: Likewise.
* langhooks.h: Likewise.
* tree-vectorizer.h: Likewise.
* ipa-type-escape.c: Likewise.
* ipa-type-escape.h: Likewise.
* domwalk.c: Likewise.
* tree-if-conv.c: Likewise.
* profile.c: Likewise.
* domwalk.h: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-flow-inline.h: Likewise.
* tree-affine.c: Likewise.
* tree-vect-analyze.c: Likewise.
* c-typeck.c: Likewise.
* gimplify.c: Likewise.
* coretypes.h: Likewise.
* tree-ssa-phiopt.c: Likewise.
* calls.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree.def: Likewise.
* tree-dfa.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* cfgexpand.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-predcom.c: Likewise.
* lambda.h: Likewise.
* tree-mudflap.c: Likewise.
* ipa-prop.c: Likewise.
* print-tree.c: Likewise.
* tree-ssa-copy.c: Likewise.
* ipa-prop.h: Likewise.
* tree-ssa-forwprop.c: Likewise.
* ggc-page.c: Likewise.
* c-omp.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-nested.c: Likewise.
* tree-ssa.c: Likewise.
* lambda-code.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-iterator.c: Likewise.
* tree-optimize.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-vect-transform.c: Likewise.
* tree-object-size.c: Likewise.
* tree-outof-ssa.c: Likewise.
* cfgloop.c: Likewise.
* system.h: Likewise.
* tree-profile.c: Likewise.
* cfgloop.h: Likewise.
* c-gimplify.c: Likewise.
* c-common.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-flow.h: Likewise.
* c-common.h: Likewise.
* basic-block.h: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-ssa-structalias.h: Likewise.
* tree-cfg.c: Likewise.
* passes.c: Likewise.
* ipa-struct-reorg.c: Likewise.
* ipa-struct-reorg.h: Likewise.
* tree-ssa-reassoc.c: Likewise.
* cfgrtl.c: Likewise.
* varpool.c: Likewise.
* stmt.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* langhooks-def.h: Likewise.
* tree-ssa-operands.c: Likewise.
* config/alpha/alpha.c: Likewise.
* config/frv/frv.c: Likewise.
* config/s390/s390.c: Likewise.
* config/m32c/m32c.c: Likewise.
* config/m32c/m32c-protos.h: Likewise.
* config/spu/spu.c: Likewise.
* config/sparc/sparc.c: Likewise.
* config/i386/i386.c: Likewise.
* config/sh/sh.c: Likewise.
* config/xtensa/xtensa.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/pa/pa.c: Likewise.
* config/mips/mips.c: Likewise.
From-SVN: r138207
|
|
* cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
(build_cgraph_edges): Likewise.
* cgraph.c (cgraph_node): Do not update assembler hash.
(cgraph_remove_node): Drop non-unit-at-a-time code.
* tree-pass.h (pass_O0_always_inline): Remove.
* ipa-reference.c (gate_reference): Remove unit-at-a-time check.
* toplev.c (process_options): Flag unit-at-a-time does not imply
no section anchors.
* cgraphunit.c: Update comments.
(decide_is_function_needed): Drop non-unit-at-a-time mode.
(cgraph_assemble_pending_functions): Remove.
(cgraph_reset_node): Drop non-unit-at-a-time code.
(cgraph_finalize_function): Likewise.
(cgraph_analyze_function): Likewise.
(cgraph_finalize_compilation_unit): Likewise.
(cgraph_expand_function): Likewise.
(cgraph_optimize): Likesise.
(save_inline_function_body): Likewise.
* ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
* tree-ssa-alias.c (maybe_be_aliased): Likewise.
* ipa-inline.c: Update comments.
(enum inlining_mode): remove INLINE_SPEED.
(cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
(cgraph_mark_inline_edge): Likewise.
(try_inline): Likewise.
(cgraph_decide_inlining_incrementally): Likewise.
(cgraph_gate_inlining): Remove.
(cgraph_early_inlining): Remove flag_unit_at_a_time checks.
(cgraph_gate_early_inlining): Likewise.
(gate_inline_passes): Remove.
(pass_inline_parameters, pass_ipa_inline): Remove gates.
(cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
pass_O0_always_inline): Remove.
* c-pch.c (c_pch_matching): Remove -funit-at-a-time.
* dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
* opts.c (no_unit_at_a_time_default): Remove.
(decode_options): Remove flag_unit_at_a_time reset and warning.
* opts.h (no_unit_at_a_time_default): Remove.
* c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
early in GNU dialect.
(merge_decls): Update comment; drop unit-at-a-time check.
(finish_decl): Likewise.
(grok_declaration): Remove flag_inline_trees code.
(finish_functions): Return on function returning non-void on all
statics.
* ipa-tye-escape.c (gate_type_escape_vars): Remove.
* cfgexpand.c (expand_one_static_var): Remove.
(expand_one_var): Remove expand_one_static_var call.
(expand_used_vars_for_block): Remove flag_unit_a_time check.
* c-opts.c (c_common_post_options): Remove flag_inline_trees code
and flag_unit_at_a-time compatibility checks.
* varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
* tree-inline.c (flag_inline_trees): Remove.
(inlinable_function_p): Don't check it.
(expand_call_inline): Remove non-unit-at-a-time code.
* tree-inline.h (flag_inline_trees): Remove.
* tree-optimize.c (execute_early_local_optimizations): Remove
unit-at-a-time checks.
(tree_rest_of_compilation): Likewise.
* combine.c (setup_incoming_promotions): Likewise.
* tree-profile.c (tree_gen_ic_func_profiler): Likewise.
* tree-ssa-structalias.c (delete_points_to_sets): Likewise.
* passes.c (pass_inline_parameters): Update comments; remove
O0_alwaysinline pass.
(execute_one_ipa_transform_pass): Do not reset in_gimple_form.
(execute_one_pass): Likewise.
* i386.c (ix86_function_regparm): Remove unit-at-a-time check.
(ix86_function_sseregparm): Likewise.
* arm.c (arm_function_in_section_p): Likewise.
* bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
* varpool.c: Update comments.
(decide_is_variable_needed): Remove unit-at-a-time checks.
(varpool_finalize_decl): Likewise.
* ada/utils.c (end_subprog_body): Remove inline trees check.
* ada/misc.c (gnat_post_options): Do not set flag_inline_trees.
* fortran/options.c (gfc_post_options): Remove flag_unline_trees code.
* gcc.dg/winline-4.c: Remove.
* gcc.dg/pch/valid-3.hs: Remove.
* gcc.dg/pch/valid-3.c: Remove.
* g++.old-deja/g++.brendan/crash52.C: Accept returning void warning
* g++.old-deja/g++.jason/report.C: Likewise.
* testsuite/g++.dg/warn/pr23075.C: We get returning void warning
instead of control flow warning.
* cp/decl.c (duplicate_decls): Update comment and unit-at-a-time.
(grogfndecl): Drop flag_inline_trees code.
* cp/pt.c (instantiate_decl): Drop flag_iline_trees code.
* cp/lex.c (cxx_init): Do not set unit-at-a-time.
* java/decl.c: Include cgraph.h
(end_java_method): Remove non-unit-at-a-time code.
(java_mark_decl_local): Likewise; sanity check that we don't touch
finalized nodes.
From-SVN: r138140
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|
dump_constraint_graph.
2008-07-07 Fernando Pereira <fernando@cs.ucla.edu>
* tree-ssa-structalias.c (compute_points_to_sets): Add call to
dump_constraint_graph.
(dump_constraint_edge): New function.
(dump_constraint_graph): New function.
(debug_constraint_graph): New function.
(dump_constraint): Removed useless comparison.
* tree-ssa-structalias.h (dump_constraint_edge): Declare.
(dump_constraint_graph): Declare.
(debug_constraint_graph): Declare.
* tree-dump.c (struct dump_option_value_info): Declare
TDF_GRAPH.
From-SVN: r137597
|
|
2008-07-07 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.h (set_used_smts): Remove.
* tree-ssa-structalias.c (used_smts): Likewise.
(set_used_smts): Likewise.
* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
call to set_used_smts.
From-SVN: r137574
|
|
2008-07-07 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
(new_var_info): Set it to false.
(solution_set_add): Correctly handle pointers outside a var and
inside a field.
(type_safe): Treat variables with is_full_var properly.
(do_sd_constraint): Likewise.
(do_ds_constraint): Likewise.
(process_constraint): Remove zeroing offset for !use_field_sensitive.
(get_constraint_for_ptr_offset): New function.
(get_constraint_for_component_ref): For addresses at least include
the last field of the variable. Handle is_full_vars properly.
(get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
(handle_ptr_arith): Remove.
(find_func_aliases): Simplify assignment handling.
(create_function_info_for): For parameter and result varinfos set
is_full_var flag.
(create_variable_info_for): Set is_full_var flag whenever we
just created a single varinfo for a decl.
(init_alias_vars): Initialize use_field_sensitive from
max-fields-for-field-sensitive parameter.
* gcc.dg/torture/pta-ptrarith-1.c: New testcase.
* gcc.dg/torture/pta-ptrarith-2.c: Likewise.
* gcc.dg/torture/ipa-pta-1.c: Likewise.
From-SVN: r137573
|
|
2008-07-06 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (struct variable_info): Remove has_union.
(new_var_info): Deal with it.
(solution_set_add): Likewise.
(bitpos_of_field): Make signed, fix.
(struct fieldoff): Remove type and decl fields. Make size field
unsigned HOST_WIDE_INT. Add has_unknown_size and may_have_pointers
flags.
(fieldoff_compare): Deal with it.
(push_fields_onto_fieldstack): Remove has_union argument, glob
adjacent non-pointer fields together.
(create_function_info_for): Do not set has_union.
(create_variable_info_for): Simplify.
* gcc.dg/tree-ssa/pta-callused.c: Adjust testcase.
From-SVN: r137530
|
|
2008-07-04 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
(do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
properly to compute the reachability set if we do field-sensitive PTA.
* invoke.texi (max-fields-for-field-sensitive): Document default.
* opts.c (decode_options): Set max-fields-for-field-sensitive to
100 for optimize >= 2.
* gcc.dg/tree-ssa/pta-callused.c: New testcase.
From-SVN: r137453
|
|
64bit hosts.
2008-07-02 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (struct variable_info): Reorder
to fill padding on 64bit hosts. Make collapsed_to an int.
(get_varinfo_fc): Deal with that.
(new_var_info): Likewise.
(collapse_rest_of_var): Likewise.
From-SVN: r137354
|
|
2008-07-02 Richard Guenther <rguenther@suse.de>
* bitmap.h (bitmap_set_bit): Return bool.
(bitmap_clear_bit): Likewise.
* bitmap.c (bitmap_set_bit): Return if the bit changed. Only
write to the bitmap if it would.
(bitmap_clear_bit): Likewise.
* tree-ssa-structalias.c (add_implicit_graph_edge): Use
bitmap_set_bit return value.
(add_pred_graph_edge): Likewise.
(add_graph_edge): Likewise.
(do_sd_constraint): Likewise.
(do_ds_constraint): Likewise.
From-SVN: r137345
|
|
tree-ssa-structalias.c:2573)
2008-07-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36666
* tree-ssa-structalias.c (get_constraint_for_1): Declare.
(get_constraint_exp_from_ssa_var): Split into ...
(get_constraint_exp_for_temp): ... this ...
(get_constraint_for_ssa_var): ... and that.
Return constraint expressions for all touched sub-fields
if the results address is not taken.
(process_constraint): Remove assertion that aggregate
assignments do not happen at this place.
(get_constraint_for_component_ref): Add address_p argument.
Return constraint expressions for all touched sub-fields
if the results address is not taken.
(do_deref): Use get_constraint_exp_for_temp.
(get_constraint_for_1): Rename from ...
(get_constraint_for): ... this. Add the old function as
wrapper.
(do_structure_copy): Use get_constraint_for_1.
* gcc.c-torture/compile/pr36666.c: New testcase.
From-SVN: r137315
|
|
2008-06-30 Richard Guenther <rguenther@suse.de>
PR middle-end/36671
* tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
handle calls from ECF_MALLOC functions.
(handle_pure_call): ECF_MALLOC functions do not return
call-used memory.
(find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
From-SVN: r137271
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|
2008-06-29 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.h (compute_points_to_sets): Adjust
prototype.
(struct alias_info): Move ...
* tree-ssa-alias.c: ... here.
(update_alias_info): Declare.
(compute_may_aliases): Call it.
(update_alias_info): New function.
* tree-ssa-structalias.c (update_alias_info): Move ...
* tree-ssa-alias.c (update_alias_info_1): ... here.
* tree-ssa-structalias.c (process_constraint_1): Remove
unused from_call argument. Rename to ...
(process_constraint): ... this. Delete old wrapper.
(make_constraint_to): Adjust callers.
(handle_const_call): Likewise.
(handle_pure_call): Likewise.
(init_base_vars): Likewise.
(handle_lhs_call): Likewise. Remove unnecessary constraint.
(find_func_aliases): We don't need structure copies for
complex types.
(make_constraint_from_anything): Remove.
(create_variable_info_for): For globals make constraints
from escaped, not from anything.
(compute_points_to_sets): Do not call update_alias_info.
(ipa_pta_execute): Use make_constraint_from.
From-SVN: r137252
|
|
2008-06-28 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (callused_id, var_callused,
callused_tree): Add.
(handle_pure_call): New function.
(find_func_aliases): Call it.
(find_what_p_points_to): Handle the call-used set.
(clobber_what_escaped): Likewise.
(compute_call_used_vars): New function.
(init_base_vars): Init the call-used variable.
(do_sd_constraint): Do not propagate the solution from CALLUSED
but use CALLUSED as a placeholder.
(solve_graph): Likewise.
* tree-flow-inline.h (gimple_call_used_vars): New function.
* tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
(compute_call_used_vars): Declare.
* tree-ssa-alias.c (set_initial_properties): Call
compute_call_used_vars.
(reset_alias_info): Clear call-used variables.
(add_call_clobber_ops): Assert we are not called for const/pure
functions. Remove handling of them.
(add_call_read_ops): Handle pure functions by adding the
call-used set of variables as VUSEs.
* tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
(delete_tree_ssa): Free it.
* tree-dfa.c (remove_referenced_var): Clear the var from the
call-used bitmap.
* gcc.dg/tree-ssa/pr24287.c: Remove XFAIL.
From-SVN: r137222
|
|
2008-06-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36400
PR tree-optimization/36373
PR tree-optimization/36344
* tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
var_nonlocal, nonlocal_tree, nonlocal_id): New globals
(update_alias_info): Remove call clobbering code.
(make_constraint_to): New helper function.
(make_escape_constraint): Likewise.
(handle_rhs_call): Use it on all pointer containing arguments.
Also mark the static chain escaped.
(handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
instead of ANYTHING.
(make_constraint_from): New helper split out from ...
(make_constraint_from_anything): ... here.
(find_func_aliases): Add constraints for escape sites.
(intra_create_variable_infos): Make constraints from NONLOCAL
for parameters.
(find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
as ANYTHING.
(clobber_what_p_points_to): Remove.
(clobber_what_escaped): New function.
(init_base_vars): Init NONLOCAL and ESCAPED.
(do_sd_constraint): Do not propagate the solution from ESCAPED
but use ESCAPED as a placeholder.
(solve_graph): Likewise.
* tree-flow.h (clobber_what_p_points_to): Remove.
(clobber_what_escaped): Declare.
* tree-ssa-alias.c (set_initial_properties): Call it.
Remove code clobbering escaped pointers.
* gcc.dg/torture/pr36373-1.c: New testcase.
* gcc.dg/torture/pr36373-2.c: Likewise.
* gcc.dg/torture/pr36373-3.c: Likewise.
* gcc.dg/torture/pr36373-4.c: Likewise.
* gcc.dg/torture/pr36373-5.c: Likewise.
* gcc.dg/torture/pr36373-6.c: Likewise.
* gcc.dg/torture/pr36373-7.c: Likewise.
* gcc.dg/torture/pr36373-8.c: Likewise.
* gcc.dg/torture/pr36373-9.c: Likewise.
* gcc.dg/torture/pr36373-10.c: Likewise.
* gcc.dg/torture/pr36400.c: Likewise.
* gcc.c-torture/execute/pta-field-1.c: Likewise.
* gcc.c-torture/execute/pta-field-2.c: Likewise.
* gcc.dg/tree-ssa/loadpre8.c: Remove XFAIL.
* gcc.dg/tree-ssa/pr24287.c: XFAIL.
From-SVN: r137197
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|
From-SVN: r137189
|
|
result type.
2008-06-25 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (fieldoff_compare): Make sure to
not overflow the result type.
* gcc.c-torture/compile/20080625-1.c: New testcase.
From-SVN: r137104
|
|
2008-06-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36345
* tree-flow.h (struct ptr_info_def): Align escape_mask,
add memory_tag_needed flag.
(may_alias_p): Declare.
* tree-ssa-alias.c (may_alias_p): Export.
(set_initial_properties): Use memory_tag_needed flag.
(update_reference_counts): Likewise.
(reset_alias_info): Reset memory_tag_needed flag.
(create_name_tags): Check memory_tag_needed flag.
(dump_points_to_info_for): Dump it.
* tree-ssa-structalias.c (struct variable_info): Remove
directly_dereferenced flag.
(new_var_info): Do not initialize it.
(process_constraint_1): Do not set it.
(update_alias_info): Set is_dereferenced flag.
(set_uids_in_ptset): Use may_alias_p.
(set_used_smts): Check memory_tag_needed flag.
(find_what_p_points_to): Likewise. Pass is_dereferenced flag.
* tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
memory_tag_needed flag.
* tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
from broken design.
* gcc.c-torture/execute/20020619-1.c: Remove broken part of
the testcase.
From-SVN: r136695
|
|
2008-06-06 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (merge_smts_into): Remove.
(find_what_p_points_to): Do not bother to compute the
points-to set for pt_anything pointers.
* tree-ssa-operands.c (get_addr_dereference_operands): No NMT
for pt_anything pointers is ok.
* gcc.dg/tree-ssa/alias-18.c: XFAIL some sub-tests.
From-SVN: r136428
|
|
non-representable offsets.
2008-06-04 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
negative or non-representable offsets.
* gcc.c-torture/execute/20080604-1.c: New testcase.
From-SVN: r136351
|
|
calls if the return type contains pointers.
2008-06-03 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (find_func_aliases): Add constraints
for the lhs of calls if the return type contains pointers.
From-SVN: r136315
|
|
points-to-sets and use in call clobbering)
2008-05-29 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36343
PR tree-optimization/36346
PR tree-optimization/36347
* tree-flow.h (clobber_what_p_points_to): Declare.
* tree-ssa-structalias.c (set_uids_in_ptset): Whether the
pointed-to variable is dereferenced is irrelevant to whether
the pointer can access the pointed-to variable.
(clobber_what_p_points_to): New function.
* tree-ssa-alias.c (set_initial_properties): Use it.
* tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
call clobber check for NMTs.
* gcc.c-torture/execute/pr36343.c: New testcase.
From-SVN: r136152
|
|
* config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
* tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
* tree-ssa-structalias.c (get_constraint_for): Likewise.
* c-common.c (c_common_truthvalue_conversion): Likewise.
* tree-object-size.c (compute_object_offset): Likewise.
* tree-inline.c (estimate_num_insns_1): Likewise.
* varasm.c (const_hash_1, compare_constant, copy_constant)
(compute_reloc_for_constant, output_addressed_constants)
(initializer_constant_valid_p): Likewise.
* c-omp.c (check_omp_for_incr_expr): Likewise.
* gimplify.c (gimplify_expr): Likewise.
* c-typeck.c (c_finish_return): Likewise.
* tree-vectorizer.c (supportable_widening_operation)
(supportable_narrowing_operation): Likewise.
* c-pretty-print.c (pp_c_cast_expression, pp_c_expression):
Likewise.
* matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
* expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
(descr_info_loc): Likewise.
* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
* fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
(fold_unary): Likewise.
* builtins.c (get_pointer_alignment): Likewise.
* tree-scalar-evolution.c (interpret_rhs_modify_stmt)
(instantiate_parameters_1): Likewise.
* tree.c (expr_align, stabilize_reference): Likewise.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
* convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
* tree-ssa-threadedge.c (simplify_control_stmt_condition):
Likewise.
* config/alpha/alpha.c (va_list_skip_additions): Likewise.
* c-common.c (c_alignof_expr, check_function_arguments_recurse):
Likewise.
* tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
* varasm.c (initializer_constant_valid_p, output_constant):
Likewise.
* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
(forward_propagate_addr_expr_1, forward_propagate_addr_expr)
(forward_propagate_comparison)
(tree_ssa_forward_propagate_single_use_vars): Likewise.
* cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
* emit-rtl.c (component_ref_for_mem_expr)
(set_mem_attributes_minus_bitpos): Likewise.
* tree-ssa-phiopt.c (conditional_replacement): Likewise.
* gimplify.c (gimplify_conversion, goa_lhs_expr_p,
gimplify_expr): Likewise.
* c-typeck.c (default_function_array_conversion,
build_indirect_ref)
(build_function_call, pointer_diff, build_compound_expr)
(c_finish_return): Likewise.
* tree-vect-analyze.c (vect_determine_vectorization_factor):
Likewise.
* matrix-reorg.c (get_inner_of_cast_expr,
may_flatten_matrices_1): Likewise.
* tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
* expr.c (is_aligning_offset): Likewise.
* tree-ssa-alias.c (is_escape_site): Likewise.
* tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
(check_all_va_list_escapes): Likewise.
* tree-ssa-loop-ivopts.c (determine_base_object)
(determine_common_wider_type): Likewise.
* dojump.c (do_jump): Likewise.
* tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
* tree-gimple.c (is_gimple_cast): Likewise.
* fold-const.c (decode_field_reference, )
(fold_sign_changed_comparison, fold_unary, fold_comparison)
(fold_binary): Likewise.
* tree-ssa-alias-warnings.c (find_alias_site_helper)
(already_warned_in_frontend_p): Likewise.
* builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
* tree.c (really_constant_p, get_unwidened): Likewise.
* tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
* tree-vrp.c (register_edge_assert_for_2,
register_edge_assert_for_1): Likewise.
* tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
CONVERT_EXPR_P.
(CONVERT_EXPR_P): Define.
(CASE_CONVERT): Define.
From-SVN: r135114
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2008-05-08 Richard Guenther <rguenther@suse.de>
* tree-flow-inline.h (var_can_have_subvars): Move ...
* tree-ssa-structalias.c (var_can_have_subvars): ... here.
* tree-flow.h (var_can_have_subvars): Remove.
(push_fields_onto_fieldstack): Remove.
(sort_fieldstack): Likewise.
(struct fieldoff): Move ...
* tree-ssa-structalias.c (struct fieldoff): ... here. Remove
alias_set and base_for_components fields.
(sort_fieldstack): Make static.
(push_fields_onto_fieldstack): Likewise. Remove code that
handles anything but RECORD_TYPEs. Remove alias_set and
base_for_components handling.
(create_variable_info_for): Adjust.
From-SVN: r135110
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2008-05-08 Richard Guenther <rguenther@suse.de>
* tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
* tree-data-ref.h (struct dr_alias): Remove subvars field.
(DR_SUBVARS): Remove.
* tree-dfa.c (dump_subvars_for): Remove.
(debug_subvars_for): Likewise.
(dump_variable): Do not dump subvars.
(remove_referenced_var): Do not remove subvars.
* tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
(lookup_subvars_for_var): Remove.
(get_subvars_for_var): Likewise.
(get_subvars_at): Likewise.
(get_first_overlapping_subvar): Likewise.
(overlap_subvar): Likewise.
* tree-flow.h (subvar_t): Remove.
(struct var_ann_d): Remove subvars field.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
argument. Remove special handling of SFTs.
(compute_tag_properties): Likewise.
(set_initial_properties): Likewise.
(compute_call_clobbered): Likewise.
(count_mem_refs): Likewise.
(compute_memory_partitions): Likewise.
(compute_flow_insensitive_aliasing): Likewise.
(setup_pointers_and_addressables): Likewise.
(new_type_alias): Likewise.
(struct used_part): Remove.
(used_portions): Likewise.
(struct used_part_map): Likewise.
(used_part_map_eq): Likewise.
(used_part_map_hash): Likewise.
(free_used_part_map): Likewise.
(up_lookup): Likewise.
(up_insert): Likewise.
(get_or_create_used_part_for): Likewise.
(create_sft): Likewise.
(create_overlap_variables_for): Likewise.
(find_used_portions): Likewise.
(create_structure_vars): Likewise.
* tree.def (STRUCT_FIELD_TAG): Remove.
* tree.h (MTAG_P): Adjust.
(struct tree_memory_tag): Remove base_for_components and
unpartitionable flags.
(struct tree_struct_field_tag): Remove.
(SFT_PARENT_VAR): Likewise.
(SFT_OFFSET): Likewise.
(SFT_SIZE): Likewise.
(SFT_NONADDRESSABLE_P): Likewise.
(SFT_ALIAS_SET): Likewise.
(SFT_UNPARTITIONABLE_P): Likewise.
(SFT_BASE_FOR_COMPONENTS_P): Likewise.
(union tree_node): Remove sft field.
* alias.c (get_alias_set): Remove special handling of SFTs.
* print-tree.c (print_node): Remove handling of SFTs.
* tree-dump.c (dequeue_and_dump): Likewise.
* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
* tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
* tree-predcom.c (set_alias_info): Do not set subvars.
* tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
* tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
* tree-ssa-operands.c (access_can_touch_variable): Likewise.
(add_vars_for_offset): Remove.
(add_virtual_operand): Remove special handling of SFTs.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(get_asm_expr_operands): Likewise.
(get_modify_stmt_operands): Likewise.
(get_expr_operands): Likewise.
(add_to_addressable_set): Likewise.
* tree-ssa.c (verify_ssa_name): Do not handle SFTs.
* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
* tree-vect-transform.c (vect_create_data_ref_ptr): Do not
set subvars.
* tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
(tree_code_size): Remove STRUCT_FIELD_TAG handling.
(tree_node_structure): Likewise.
* tree-ssa-structalias.c (set_uids_in_ptset): Remove special
handling of SFTs.
(find_what_p_points_to): Likewise.
From-SVN: r135077
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get_constraint_for_component_ref, at tree-ssa-structalias.c:2727)
2008-05-08 Richard Guenther <rguenther@suse.de>
PR middle-end/36154
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
sure to create a representative for trailing arrays for PTA.
* gcc.c-torture/compile/pr36154.c: New testcase.
From-SVN: r135071
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