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handled-component case.
2009-05-29 Richard Guenther <rguenther@suse.de>
* tree-ssa-operands.c (get_expr_operands): Do not handle
INDIRECT_REFs in the handled-component case. Remove
unused get_ref_base_and_extent case.
* tree-dfa.c (get_ref_base_and_extent): Avoid calling
tree_low_cst and host_integerp where possible.
* tree-ssa-structalias.c (equiv_class_label_eq): Check hash
codes for equivalence.
* dce.c (find_call_stack_args): Avoid redundant bitmap queries.
From-SVN: r147973
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2009-05-24 Paolo Bonzini <bonzini@gnu.org>
* tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
discard_stmt_changes): Delete.
* tree-ssa-operands.c (scb_stack): Delete.
(init_ssa_operands): Do not initialize it.
(fini_ssa_operands): Do not free it.
(push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
* tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
update_stmt, remove the others. Fix comments.
* tree-dfa.c (optimize_stack_restore): Likewise.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
* tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
* tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
Likewise.
* tree-ssa-propagate.c (substitute_and_fold): Likewise.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
(dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
(optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
(stmts_to_rescan): Change item type to gimple.
(tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
From-SVN: r147831
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2009-04-27 Richard Guenther <rguenther@suse.de>
* tree-flow-inline.h (function_ann): Remove.
(get_function_ann): Likewise.
* tree-dfa.c (create_function_ann): Remove.
* tree-flow.h (struct static_var_ann_d): Remove.
(struct function_ann_d): Likewise.
(union tree_ann_d): Remove fdecl member.
(function_ann_t): Remove.
(function_ann, get_function_ann, create_function_ann): Remove
declarations.
From-SVN: r146828
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* omp-low.c (create_omp_child_function): Set DECL_CONTEXT
for DECL.
* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
* tree-dfa.c (find_referenced_vars_in): Factor out of ...
(find_vars_r): ... here.
* tree-flow.h (find_referenced_vars_in): Declare.
* tree-ssa-pre.c (create_expression_by_pieces): Assert
that AVAIL_OUT exists for BLOCK.
* Makefile.in (CGRAPH_H): Add dependency on cif-code.def
(tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
(tree-parloops.o): Likewise.
testsuite/ChangeLog
* gcc.c-torture/execute/builtins/strlen-3.c: Fix ODR
violation for variable 'inside_main'.
From-SVN: r146295
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sipQtGuipart.cpp)
2009-04-08 Richard Guenther <rguenther@suse.de>
PR middle-end/36291
* tree-dfa.c (add_referenced_var): Do not recurse into
global initializers.
* tree-ssa-ccp.c (get_symbol_constant_value): Add newly
exposed variables.
(fold_const_aggregate_ref): Likewise.
From-SVN: r145757
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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
|
|
2009-03-30 Martin Jambor <mjambor@suse.cz>
* ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
respectively.
* tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
seen_variable_array_ref while also traversing a union.
* tree-inline.c (optimize_inline_calls): Do not call
cgraph_node_remove_callees.
* cgraphbuild.c (remove_cgraph_callee_edges): New function.
(pass_remove_cgraph_callee_edges): New variable.
* passes.c (init_optimization_passes): Add
pass_remove_cgraph_callee_edges after early inlining and before all
late intraprocedural passes.
* omp-low.c (expand_omp_taskreg): Always set current_function_decl.
From-SVN: r145291
|
|
PR middle-end/39360
* tree-flow.h (add_referenced_var): Return bool instead of void.
* tree-dfa.c (add_referenced_var): Return result of
referenced_var_check_and_insert call.
* tree-inline.c (expand_call_inline): Call add_referenced_var instead
of referenced_var_check_and_insert.
* gcc.c-torture/compile/pr39360.c: New test.
From-SVN: r144683
|
|
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
|
|
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
|
|
* ggc.h (GGC_RESIZEVAR): New, reorder macros.
* tracer.c (tail_duplicate): Fix for -Wc++-compat.
* tree-affine.c (aff_combination_expand, free_name_expansion):
Likewise.
* tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
move_stmt_r, new_label_mapper): Likewise.
* tree-complex.c (cvc_lookup): Likewise.
* tree-dfa.c (create_function_ann): Likewise.
* tree-dump.c (dump_register): Likewise.
* tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
find_phi_replacement_condition): Likewise.
* tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
tree_function_versioning): Likewise.
* tree-into-ssa.c (cmp_dfsnum): Likewise.
* tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
* tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
get_nonlocal_debug_decl, convert_nonlocal_reference,
convert_nonlocal_omp_clauses, get_local_debug_decl,
convert_local_reference, convert_local_omp_clauses,
convert_nl_goto_reference, convert_nl_goto_receiver,
convert_tramp_reference, convert_call_expr): Likewise.
* tree-outof-ssa.c (contains_tree_r): Likewise.
* tree-parloops.c (reduction_phi, initialize_reductions,
eliminate_local_variables_1, add_field_for_reduction,
add_field_for_name, create_phi_for_local_result,
create_call_for_reduction_1, create_loads_for_reductions,
create_stores_for_reduction, create_loads_and_stores_for_name):
Likewise.
* tree-phinodes.c (allocate_phi_node): Likewise.
* tree-predcom.c (order_drefs, execute_pred_commoning_cbck):
Likewise.
* tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element):
Likewise.
* tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
* tree-ssa-coalesce.c (compare_pairs): Likewise.
* tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
* tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
vn_nary_op_insert): Likewise.
* tree-ssa.c (redirect_edge_var_map_add,
redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
* tree-vectorizer.c (vectorize_loops): Likewise.
* tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
tree_cons_stat, build1_stat, build_variant_type_copy,
decl_init_priority_lookup, decl_fini_priority_lookup,
decl_priority_info, decl_restrict_base_lookup,
decl_restrict_base_insert, decl_debug_expr_lookup,
decl_debug_expr_insert, decl_value_expr_lookup,
decl_value_expr_insert, type_hash_eq, type_hash_lookup,
type_hash_add, get_file_function_name, tree_check_failed,
tree_not_check_failed, tree_range_check_failed,
omp_clause_range_check_failed, build_omp_clause,
build_vl_exp_stat): Likewise.
* value-prof.c (gimple_histogram_value,
gimple_duplicate_stmt_histograms): Likewise.
* var-tracking.c (attrs_list_insert, attrs_list_copy,
unshare_variable, variable_union_info_cmp_pos, variable_union,
dataflow_set_different_1, dataflow_set_different_2,
vt_find_locations, variable_was_changed, set_variable_part,
emit_notes_for_differences_1, emit_notes_for_differences_2):
Likewise.
* varasm.c (prefix_name, emutls_decl, section_entry_eq,
section_entry_hash, object_block_entry_eq,
object_block_entry_hash, create_block_symbol,
initialize_cold_section_name, default_function_rodata_section,
strip_reg_name, set_user_assembler_name, const_desc_eq,
build_constant_desc, output_constant_def, lookup_constant_def,
const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
default_internal_label): Likewise.
* varray.c (varray_init, varray_grow): Likewise.
* vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
From-SVN: r136992
|
|
gcc/
* cgraph.c: Fix typos in comments.
(cgraph_availability_names): Fix string typo.
* fold-const.c: Fix typos in comments.
(fold_binary): Fix typo in warning.
* genautomata.c: Fix typos in comments.
(check_presence_pattern_sets): Fix typo in local variable.
(output_description): Fix typo in output.
* ggc-zone.c (ggc_pch_finish): Fix typo in error message.
* hwint.h: Likewise.
* matrix-reorg.c (check_allocation_function): Likewise.
* omega.c (smooth_weird_equations): Likewise.
* auto-inc-dec.c: Fix typos in comments.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* c-common.c: Likewise.
* c-cppbuiltin.c: Likewise.
* c-parser.c: Likewise.
* c-pretty-print.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraphunit.c: Likewise.
* coverage.c: Likewise.
* dbxout.c: Likewise.
* df-byte-scan.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dfp.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* dse.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.c: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* ggc-page.c: Likewise.
* gimplify.c: Likewise.
* gthr-lynx.h: Likewise.
* haifa-sched.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-struct-reorg.c: Likewise.
* ipa-struct-reorg.h: Likewise.
* ipa-type-escape.c: Likewise.
* ipa.c: Likewise.
* loop-doloop.c: Likewise.
* mips-tfile.c: Likewise.
* mkmap-flat.awk: Likewise.
* mkmap-symver.awk: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* opts.c: Likewise.
* passes.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* pretty-print.h: Likewise.
* profile.c: Likewise.
* protoize.c: Likewise.
* ra-conflict.c: Likewise.
* real.c: Likewise.
* recog.c: Likewise.
* regclass.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* rtl-error.c: Likewise.
* rtlanal.c: Likewise.
* scan.h: Likewise.
* sched-rgn.c: Likewise.
* see.c: Likewise.
* stmt.c: Likewise.
* target.h: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-flow-inline.h: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-parloops.c: Likewise.
* tree-pass.h: Likewise.
* tree-pretty-print.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-alias-warnings.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa.c: Likewise.
* tree-vect-analyze.c: Likewise.
* tree-vect-transform.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vn.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.def: Likewise.
* tree.h: Likewise.
* unwind-dw2-fde.c: Likewise.
* unwind.inc: Likewise.
* value-prof.c: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r136425
|
|
sipQtGuipart.cpp)
2008-05-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36291
* tree-flow. h (struct gimple_df): Remove var_anns member.
* tree-flow-inline.h (gimple_var_anns): Remove.
(var_ann): Simplify.
* tree-dfa.c (create_var_ann): Simplify.
(remove_referenced_var): Clear alias info from var_anns of globals.
* tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
(delete_tree_ssa): Clear alias info from var_anns of globals.
Do not free var_anns.
(var_ann_eq): Remove.
(var_ann_hash): Likewise.
From-SVN: r136095
|
|
can be only accessed through a...
2008-05-24 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (refs_may_alias_p): Re-instantiate case that
a scalar variable can be only accessed through a pointer
or a union.
From-SVN: r135846
|
|
2008-05-22 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (refs_may_alias_p): Exit early if possible. Handle
more cases of offset disambiguation that is possible if
strict-aliasing rules apply.
* tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
for basic offset and type-based disambiguation.
* gcc.dg/tree-ssa/alias-18.c: New testcase.
From-SVN: r135754
|
|
2008-05-16 Kenneth Zadeck <zadeck@naturalbridge.com>
* tree-ssa-dse (max_stmt_uid): Removed.
(get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
* tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
* function.h (cfun.last_stmt_uid): New field.
* tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
gimple_stmt_max_uid, set_gimple_stmt_max_uid,
inc_gimple_stmt_max_uid): New functions.
* tree-dfa.c (renumber_gimple_stmt_uids): New function.
(create_stmt_ann): Initialize the ann->uid field.
* tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
with new calls.
* tree-flow.h (renumber_gimple_stmt_uids): New function.
From-SVN: r135419
|
|
TARGET_MEM_REF.
2008-05-15 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (refs_may_alias_p): Allow all kinds of
INDIRECT_REF and TARGET_MEM_REF.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
TARGET_MEM_REF.
From-SVN: r135332
|
|
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
|
|
* gcc.dg/20050811-2.c: Update dumping flags.
* gcc.dg/sms-2.c: Update dumping flags.
* gcc.dg/var-expand1.c: Update dumping flags.
* gcc.dg/var-expand3.c: Update dumping flags.
* gcc.dg/pr30957-1.c: Update dumping flags.
* gcc.dg/20050811-1.c: Update dumping flags.
* gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail.
* gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail.
PR other/35094
* toplev.c (decode_d_option): Handle all CPP flags.
* tree-vrp.c: Update tree_pass descriptors.
* regrename.c: Update tree_pass descriptors.
* fwprop.c: Update tree_pass descriptors.
* doc/invoke.texi: Remove documentation of dropped -d? flags.
* tree-into-ssa.c: Update tree_pass descriptors.
* tree-dump.c: Update tree_pass descriptors.
* tree-complex.c: Update tree_pass descriptors.
* tree-dump.h: Update tree_pass descriptors.
* see.c: Update tree_pass descriptors.
* cgraphbuild.c: Update tree_pass descriptors.
* tracer.c: Update tree_pass descriptors.
* tree-loop-distribution.c: Update tree_pass descriptors.
* cgraph.c: Update tree_pass descriptors.
* postreload-gcse.c: Update tree_pass descriptors.
* postreload.c: Update tree_pass descriptors.
* tree-ssa-loop-ch.c: Update tree_pass descriptors.
* tree-tailcall.c: Update tree_pass descriptors.
* tree-pass.h (tree_opt_pass): Rename to ...
(opt_pass) ... this one; add "type" field and remove letter field.
(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
all_lowering_passes): Update declaration.
* ipa-cp.c: Update tree_pass descriptors.
* final.c: Update tree_pass descriptors.
* omp-low.c: Update tree_pass descriptors.
* tree-ssa-dse.c: Update tree_pass descriptors.
* ipa-reference.c: Update tree_pass descriptors.
* tree-ssa-uncprop.c: Update tree_pass descriptors.
* auto-inc-dec.c: Update tree_pass descriptors.
* reorg.c: Update tree_pass descriptors.
* cgraphunit.c: Update tree_pass descriptors.
* tree-ssa-copyrename.c: Update tree_pass descriptors.
* tree-ssa-ccp.c: Update tree_pass descriptors.
* df-core.c: Update tree_pass descriptors.
* mode-switching.c: Update tree_pass descriptors.
* tree-nomudflap.c: Update tree_pass descriptors.
* modulo-sched.c: Update tree_pass descriptors.
* ipa-pure-const.c: Update tree_pass descriptors.
* cse.c: Update tree_pass descriptors.
* web.c: Update tree_pass descriptors.
* tree-stdarg.c: Update tree_pass descriptors.
* tree-ssa-math-opts.c: Update tree_pass descriptors.
* tree-ssa-dom.c: Update tree_pass descriptors.
* tree-nrv.c: Update tree_pass descriptors.
* tree-ssa-alias.c: Update tree_pass descriptors.
* loop-init.c: Update tree_pass descriptors.
* gimple-low.c: Update tree_pass descriptors.
* ipa-inline.c: Update tree_pass descriptors.
* tree-ssa-sink.c: Update tree_pass descriptors.
* global.c: Update tree_pass descriptors.
* ifcvt.c: Update tree_pass descriptors.
* jump.c: Update tree_pass descriptors.
* predict.c: Update tree_pass descriptors.
* tree-ssa-loop.c: Update tree_pass descriptors.
* recog.c: Update tree_pass descriptors.
* dse.c: Update tree_pass descriptors.
* tree-ssa-ifcombine.c: Update tree_pass descriptors.
* tree-eh.c: Update tree_pass descriptors.
* regmove.c: Update tree_pass descriptors.
* local-alloc.c
* function.c: Update tree_pass descriptors.
* tree-vectorizer.c: Update tree_pass descriptors.
* gcse.c: Update tree_pass descriptors.
* ipa-type-escape.c: Update tree_pass descriptors.
* tree-if-conv.c: Update tree_pass descriptors.
* init-regs.c: Update tree_pass descriptors.
* ipa.c: Update tree_pass descriptors.
* tree-ssa-phiopt.c: Update tree_pass descriptors.
* rtl-factoring.c: Update tree_pass descriptors.
* lower-subreg.c: Update tree_pass descriptors.
* bt-load.c: Update tree_pass descriptors.
* tree-dfa.c: Update tree_pass descriptors.
* except.c: Update tree_pass descriptors.
* emit-rtl.c: Update tree_pass descriptors.
* cfgexpand.c: Update tree_pass descriptors.
* tree-cfgcleanup.c: Update tree_pass descriptors.
* cfgcleanup.c: Update tree_pass descriptors.
* tree-ssa-pre.c: Update tree_pass descriptors.
* tree-sra.c: Update tree_pass descriptors.
* tree-mudflap.c: Update tree_pass descriptors.
* tree-ssa-copy.c: Update tree_pass descriptors.
* cfglayout.c: Update tree_pass descriptors.
* tree-ssa-forwprop.c: Update tree_pass descriptors.
* tree-ssa-dce.c: Update tree_pass descriptors.
* tree-ssa.c: Update tree_pass descriptors.
* regclass.c: Update tree_pass descriptors.
* integrate.c: Update tree_pass descriptors.
* tree-optimize.c: Update tree_pass descriptors.
* tree-ssa-phiprop.c: Update tree_pass descriptors.
* tree-object-size.c: Update tree_pass descriptors.
* combine.c: Update tree_pass descriptors.
* tree-outof-ssa.c: Update tree_pass descriptors.
* bb-reorder.c: Update tree_pass descriptors.
* stack-ptr-mod.c: Update tree_pass descriptors.
* var-tracking.c: Update tree_pass descriptors.
* tree-profile.c: Update tree_pass descriptors.
* tree-vect-generic.c: Update tree_pass descriptors.
* reg-stack.c: Update tree_pass descriptors.
* sched-rgn.c: Update tree_pass descriptors.
* tree-ssa-structalias.c: Update tree_pass descriptors.
* tree-cfg.c: Update tree_pass descriptors.
* passes.c (current_pass): Update declaration.
(finish_optimization_passes): Update.
(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
(register_one_dump_file, register_dump_files_1, next_pass_1):
Update arguments.
(init_optimization_passes): Update handling of new types.
(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
* ipa-struct-reorg.c: Update tree_pass descriptors.
* tree-ssa-reassoc.c: Update tree_pass descriptors.
* combine-stack-adj.c: Update tree_pass descriptors.
* cfgrtl.c: Update tree_pass descriptors.
* dce.c: Update tree_pass descriptors.
* tree-ssanames.c: Update tree_pass descriptors.
From-SVN: r133342
|
|
2008-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34172
* tree-flow.h (refs_may_alias_p): Declare.
(get_single_def_stmt): Likewise.
(get_single_def_stmt_from_phi): Likewise.
(get_single_def_stmt_with_phi): Likewise.
* tree-dfa.c (refs_may_alias_p): New function.
(get_single_def_stmt): Likewise.
(get_single_def_stmt_from_phi): Likewise.
(get_single_def_stmt_with_phi): Likewise.
* tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
(vn_reference_lookup_1): New helper function.
(vn_reference_lookup): Walk the virtual use-def chain to
continue searching for a match if the def does not alias the
reference we are looking for.
* gcc.dg/tree-ssa/ssa-fre-11.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-12.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-13.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-14.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-15.c: Likewise.
* gcc.dg/tree-ssa/20031106-4.c: Remove XFAIL.
From-SVN: r133222
|
|
2008-02-28 Richard Guenther <rguenther@suse.de>
Revert:
2008-02-26 Richard Guenther <rguenther@suse.de>
* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
(lookup_decl_from_uid): Declare.
(remove_decl_from_map): Likewise.
* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
(decl_for_uid_map): New global hashtable mapping DECL_UID
to the decl tree.
(init_ttree): Allocate it.
(insert_decl_to_uid_decl_map): New helper function.
(make_node_stat): Insert new decls into the map.
(copy_node_stat): Likewise.
(lookup_decl_from_uid): New function.
(remove_decl_from_map): Likewise.
(print_decl_for_uid_map_statistics): New helper.
(dump_tree_statistics): Call it.
cp/
* decl.c (duplicate_decls): Remove decl from global mapping
before ggc_freeing it.
* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
(referenced_var_iterator): Adjust.
(FOR_EACH_REFERENCED_VAR): Adjust.
(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
(num_referenced_vars): Adjust.
* tree-flow-inline.h (gimple_referenced_vars): Adjust.
(first_referenced_var): Remove.
(end_referenced_vars_p): Likewise.
(next_referenced_var): Likewise.
(referenced_var_iterator_set): New helper function.
* tree-dfa.c (referenced_var_lookup): Adjust.
(referenced_var_check_and_insert): Likewise.
(remove_referenced_var): Likewise.
* tree-ssa.c (verify_flow_insensitive_alias_info): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(init_tree_ssa): Allocate bitmap instead of hashtable for
referenced_vars.
(delete_tree_ssa): Adjust.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(compute_tag_properties): Likewise.
(set_initial_properties): Likewise.
(find_partition_for): Likewise.
(update_reference_counts): Likewise.
(dump_may_aliases_for): Likewise.
* tree-ssa-operands.c (add_virtual_operand): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(get_asm_expr_operands): Likewise.
* tree-into-ssa.c (dump_decl_set): Likewise.
(update_ssa): Likewise.
* tree-sra.c (scan_function): Likewise.
(decide_instantiations): Likewise.
(scalarize_parms): Likewise.
* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
(dsa_named_for): Likewise.
* tree-ssa-structalias.c (update_alias_info): Likewise.
(merge_smts_into): Likewise.
From-SVN: r132740
|
|
2008-02-26 Richard Guenther <rguenther@suse.de>
* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
(lookup_decl_from_uid): Declare.
(remove_decl_from_map): Likewise.
* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
(decl_for_uid_map): New global hashtable mapping DECL_UID
to the decl tree.
(init_ttree): Allocate it.
(insert_decl_to_uid_decl_map): New helper function.
(make_node_stat): Insert new decls into the map.
(copy_node_stat): Likewise.
(lookup_decl_from_uid): New function.
(remove_decl_from_map): Likewise.
(print_decl_for_uid_map_statistics): New helper.
(dump_tree_statistics): Call it.
cp/
* decl.c (duplicate_decls): Remove decl from global mapping
before ggc_freeing it.
* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
(referenced_var_iterator): Adjust.
(FOR_EACH_REFERENCED_VAR): Adjust.
(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
(num_referenced_vars): Adjust.
* tree-flow-inline.h (gimple_referenced_vars): Adjust.
(first_referenced_var): Remove.
(end_referenced_vars_p): Likewise.
(next_referenced_var): Likewise.
(referenced_var_iterator_set): New helper function.
* tree-dfa.c (referenced_var_lookup): Adjust.
(referenced_var_check_and_insert): Likewise.
(remove_referenced_var): Likewise.
* tree-ssa.c (verify_flow_insensitive_alias_info): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(init_tree_ssa): Allocate bitmap instead of hashtable for
referenced_vars.
(delete_tree_ssa): Adjust.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(compute_tag_properties): Likewise.
(set_initial_properties): Likewise.
(find_partition_for): Likewise.
(update_reference_counts): Likewise.
(dump_may_aliases_for): Likewise.
* tree-ssa-operands.c (add_virtual_operand): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(get_asm_expr_operands): Likewise.
* tree-into-ssa.c (dump_decl_set): Likewise.
(update_ssa): Likewise.
* tree-sra.c (scan_function): Likewise.
(decide_instantiations): Likewise.
(scalarize_parms): Likewise.
* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
(dsa_named_for): Likewise.
* tree-ssa-structalias.c (update_alias_info): Likewise.
(merge_smts_into): Likewise.
From-SVN: r132676
|
|
2008-02-25 Richard Guenther <rguenther@suse.de>
Revert:
2008-02-25 Richard Guenther <rguenther@suse.de>
* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
(lookup_decl_from_uid): Declare.
* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
(decl_for_uid_map): New global hashtable mapping DECL_UID
to the decl tree.
(init_ttree): Allocate it.
(insert_decl_to_uid_decl_map): New helper function.
(make_node_stat): Insert new decls into the map.
(copy_node_stat): Likewise.
(lookup_decl_from_uid): New function.
(print_decl_for_uid_map_statistics): New helper.
(dump_tree_statistics): Call it.
* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
(referenced_var_iterator): Adjust.
(FOR_EACH_REFERENCED_VAR): Adjust.
(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
(num_referenced_vars): Adjust.
* tree-flow-inline.h (gimple_referenced_vars): Adjust.
(first_referenced_var): Remove.
(end_referenced_vars_p): Likewise.
(next_referenced_var): Likewise.
(referenced_var_iterator_set): New helper function.
* tree-dfa.c (referenced_var_lookup): Adjust.
(referenced_var_check_and_insert): Likewise.
(remove_referenced_var): Likewise.
* tree-ssa.c (verify_flow_insensitive_alias_info): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(init_tree_ssa): Allocate bitmap instead of hashtable for
referenced_vars.
(delete_tree_ssa): Adjust.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(compute_tag_properties): Likewise.
(set_initial_properties): Likewise.
(find_partition_for): Likewise.
(update_reference_counts): Likewise.
(dump_may_aliases_for): Likewise.
* tree-ssa-operands.c (add_virtual_operand): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(get_asm_expr_operands): Likewise.
* tree-into-ssa.c (dump_decl_set): Likewise.
(update_ssa): Likewise.
* tree-sra.c (scan_function): Likewise.
(decide_instantiations): Likewise.
(scalarize_parms): Likewise.
* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
(dsa_named_for): Likewise.
* tree-ssa-structalias.c (update_alias_info): Likewise.
(merge_smts_into): Likewise.
From-SVN: r132643
|
|
2008-02-25 Richard Guenther <rguenther@suse.de>
* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
(lookup_decl_from_uid): Declare.
* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
(decl_for_uid_map): New global hashtable mapping DECL_UID
to the decl tree.
(init_ttree): Allocate it.
(insert_decl_to_uid_decl_map): New helper function.
(make_node_stat): Insert new decls into the map.
(copy_node_stat): Likewise.
(lookup_decl_from_uid): New function.
(print_decl_for_uid_map_statistics): New helper.
(dump_tree_statistics): Call it.
* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
(referenced_var_iterator): Adjust.
(FOR_EACH_REFERENCED_VAR): Adjust.
(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
(num_referenced_vars): Adjust.
* tree-flow-inline.h (gimple_referenced_vars): Adjust.
(first_referenced_var): Remove.
(end_referenced_vars_p): Likewise.
(next_referenced_var): Likewise.
(referenced_var_iterator_set): New helper function.
* tree-dfa.c (referenced_var_lookup): Adjust.
(referenced_var_check_and_insert): Likewise.
(remove_referenced_var): Likewise.
* tree-ssa.c (verify_flow_insensitive_alias_info): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(verify_call_clobbering): Likewise.
(verify_memory_partitions): Likewise.
(init_tree_ssa): Allocate bitmap instead of hashtable for
referenced_vars.
(delete_tree_ssa): Adjust.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
FOR_EACH_REFERENCED_VAR_IN_BITMAP.
(compute_tag_properties): Likewise.
(set_initial_properties): Likewise.
(find_partition_for): Likewise.
(update_reference_counts): Likewise.
(dump_may_aliases_for): Likewise.
* tree-ssa-operands.c (add_virtual_operand): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(get_asm_expr_operands): Likewise.
* tree-into-ssa.c (dump_decl_set): Likewise.
(update_ssa): Likewise.
* tree-sra.c (scan_function): Likewise.
(decide_instantiations): Likewise.
(scalarize_parms): Likewise.
* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
(dsa_named_for): Likewise.
* tree-ssa-structalias.c (update_alias_info): Likewise.
(merge_smts_into): Likewise.
From-SVN: r132629
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|
2008-02-15 Richard Guenther <rguenther@suse.de>
Zdenek Dvorak <ook@ucw.cz>
PR tree-optimization/35164
* tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
* tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
Only propagate addresses which do not have abnormal SSA_NAMEs
in their operands.
* g++.dg/torture/pr35164-1.C: New testcase.
* g++.dg/torture/pr35164-2.C: Likewise.
Co-Authored-By: Zdenek Dvorak <ook@ucw.cz>
From-SVN: r132345
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|
2007-11-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33870
* tree.h (struct tree_memory_tag): Add base_for_components flag.
(struct tree_struct_field_tag): Remove nesting_level field.
(SFT_NESTING_LEVEL): Remove.
(SFT_BASE_FOR_COMPONENTS_P): Add.
* tree-flow.h (struct fieldoff): Remove nesting_level field. Add
base_for_components flag.
(push_fields_onto_fieldstack): Remove nesting_level parameter.
* tree-ssa-alias.c (create_sft): Likewise. Add base_for_components
parameter.
(create_overlap_variables_for): Deal with it.
* tree-dfa.c (dump_subvars_for): Likewise.
(dump_variable): Likewise.
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise.
Set base_for_components for first elements of sub-structures.
(create_variable_info_for): Handle base_for_components.
(set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for
pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set.
* tree-ssa-operands.c (ref_nesting_level): Remove.
(add_vars_for_offset): Remove full_ref parameter, always add
the offset of the pointed-to SFT.
(add_virtual_operand): Adjust for changed signature of
add_vars_for_offset.
* gcc.dg/torture/pr33870.c: New testcase.
From-SVN: r130231
|
|
pr 33870
* tree.h (strcut tree_memory_tag): add field unpartitionable.
remove field in_nested_struct.
(struct tree_struct_field_tag): add field nesting_level.
(sft_in_nested_struct): remove.
(sft_nesting_level): define.
(sft_unpartitionable_p): define.
* tree-ssa-alias.c (mem_sym_score): if mp->var is not
partitionable, return long_max.
(compute_memory_partitions): do not partition sfts marked
unpartitionable.
(create_sft): add argument nesting_level. set
sft_nesting_level with it. update all users.
(create_overlap_variables_for): show nesting level.
* tree-dfa.c (dump_subvars_for): likewise.
(dump_variable): likewise.
show whether the sft is partitionable or not.
* tree-flow.h (struct fieldoff): remove field
in_nested_struct.
add field nesting_level.
* tree-ssa-structalias.c (struct variable_info): remove
field in_nested_struct.
(push_fields_onto_fieldstack): add argument
nesting_level. update all users.
update documentation.
update pair->nesting_level with nesting_level.
make recursive calls with nesting_level + 1.
(set_uids_in_ptset): if an sft is added to the points-to
set, mark it as unpartitionable.
* tree-ssa-operands.c (ref_nesting_level): new.
(add_vars_for_offset): call it.
add argument full_ref. update
callers.
if var is inside a nested structure and the nesting level
of full_ref is lower than the nesting level of var,
adjust offset by the offset of var.
testsuite/ChangeLog
PR 33870
* gcc.c-torture/execute/pr33870-1.c: New test.
* gcc.dg/tree-ssa/alias-16.c: New test.
From-SVN: r130141
|
|
2007-11-08 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (remove_referenced_var): If removing a
variable which has subvars, also remove those from
the referenced vars. Do not create a variable annotation.
From-SVN: r130030
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|
PR 33870
* tree.h (struct tree_struct_field_tag): Add field in_nested_struct.
(SFT_IN_NESTED_STRUCT): Define.
* tree-dfa.c (dump_subvars_for): Show offset of each
sub-var.
* tree-flow.h (struct fieldoff): Add field in_nested_struct.
* tree-ssa-structalias.c (struct variable_info): Likewise.
(push_fields_onto_fieldstack): If OFFSET is positive,
set in_nested_struct.
(create_variable_info_for): Copy setting of
in_nested_struct from the field offset object.
(set_uids_in_ptset): Set SFT_IN_NESTED_STRUCT from the
variable info object.
* tree-ssa-operands.c (add_vars_for_offset): If VAR
belongs to a nested structure, adjust OFFSET by
SFT_OFFSET(VAR).
testsuite/ChangeLog
* gcc.c-torture/execute/pr33870.x: Remove.
From-SVN: r129976
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|
2007-10-28 Richard Guenther <rguenther@suse.de>
* tree-flow.h (subvar_t): Make it a VEC.
(struct subvar): Remove.
(struct var_ann_d): Use VEC(tree,gc) to store subvars.
* tree-flow-inline.h (get_subvar_at): Adjust iterators over
variable subvars.
* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
* tree-nrv.c (dest_safe_for_nrv_p): Likewise.
* tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise.
(set_initial_properties): Likewise.
(setup_pointers_and_addressables): Likewise.
(new_type_alias): Likewise.
(create_overlap_variables_for): Likewise.
* tree-dfa.c (dump_subvars_for): Likewise.
* tree-ssa-operands.c (add_vars_for_offset): Likewise.
(get_expr_operands): Likewise.
(add_to_addressable_set): Likewise.
* tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
* gcc.dg/tree-ssa/alias-15.c: Adjust pattern.
From-SVN: r129699
|
|
2007-10-25 Richard Guenther <rguenther@suse.de>
* tree-flow.h (mem_sym_stats): Remove.
(dump_mem_sym_stats_for_var): Declare.
* tree-dfa.c (dump_variable): Call dump_mem_sym_stats_for_var.
(mem_sym_stats): Move ...
* tree-ssa-alias.c (mem_sym_stats): ... here and make it static.
(mem_sym_score): Rename from ...
(pscore): ... this. Remove.
(dump_mem_sym_stats_for_var): New function. Dump the score, but
not the frequencies.
(compare_mp_info_entries): Make sort stable by disambiguating
on DECL_UID.
From-SVN: r129625
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|
2007-10-18 Richard Guenther <rguenther@suse.de>
* tree-ssa.c (uid_ssaname_map_eq): New function.
(uid_ssaname_map_has): Likewise.
(init_tree_ssa): Allocate default_defs as uid_ssaname map.
* tree-flow.h (struct gimple_df): Make default_defs a
uid_ssaname map.
* tree-dfa.c (gimple_default_def): Deal with it.
(set_default_def): Likewise.
From-SVN: r129441
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|
2007-10-18 Richard Guenther <rguenther@suse.de>
* tree-flow.h (struct gimple_df): Make referenced_vars
a uid_decl_map.
(uid_decl_map_eq): Declare.
(uid_decl_map_hash): Likewise.
* tree-ssa.c (uid_decl_map_eq): New function.
(uid_decl_map_hash): Likewise.
(init_tree_ssa): Make referenced_vars a uid_decl_map.
* tree-flow-inline.h (first_referenced_var): Deal with
the referenced_vars representation change.
(next_referenced_var): Likewise.
* tree-dfa.c (referenced_var_lookup): Likewise.
(referenced_var_check_and_insert): Likewise.
(remove_referenced_var): Likewise.
From-SVN: r129440
|
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2007-08-29 Richard Guenther <rguenther@suse.de>
* tree-pretty-print.c (dump_generic_node): Print
label DECL_UID as D.%u.
* tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
From-SVN: r127899
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License and to point readers at the COPYING3 file and the FSF's license web page.
From-SVN: r126948
|
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PR 30735
PR 31090
* doc/invoke.texi: Document --params max-aliased-vops and
avg-aliased-vops.
* tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
debug_memory_partitions): Move to tree-flow.h
* params.h (AVG_ALIASED_VOPS): Define.
* tree-ssa-alias.c (struct mp_info_def): Remove. Update all
users.
(mp_info_t): Likewise.
(get_mem_sym_stats_for): New.
(set_memory_partition): Move from tree-flow-inline.h.
(mark_non_addressable): Only clear the set of symbols for the
partition if it exists.
(dump_memory_partitions): Move from tree-ssa-operands.c
(debug_memory_partitions): Likewise.
(need_to_partition_p): New.
(dump_mem_ref_stats): New.
(debug_mem_ref_stats): New.
(dump_mem_sym_stats): New.
(debug_mem_sym_stats): New.
(update_mem_sym_stats_from_stmt): New.
(compare_mp_info_entries): New.
(mp_info_cmp): Call it.
(sort_mp_info): Change argument to a list of mem_sym_stats_t
objects.
(get_mpt_for): Move from tree-ssa-operands.c.
(find_partition_for): New.
(create_partition_for): Remove.
(estimate_vop_reduction): New.
(update_reference_counts): New.
(build_mp_info): New.
(compute_memory_partitions): Refactor.
Document new heuristic.
Call build_mp_info, update_reference_counts,
find_partition_for and estimate_vop_reduction.
(compute_may_aliases): Populate virtual operands before
calling debugging dumps.
(delete_mem_sym_stats): New.
(delete_mem_ref_stats): New.
(init_mem_ref_stats): New.
(init_alias_info): Call it.
(maybe_create_global_var): Remove alias_info argument.
Get number of call sites and number of pure/const call sites
from gimple_mem_ref_stats().
(dump_alias_info): Call dump_memory_partitions first.
(dump_points_to_info_for): Show how many times a pointer has
been dereferenced.
* opts.c (decode_options): For -O2 set --param
max-aliased-vops to 500.
For -O3 set --param max-aliased-vops to 1000 and --param
avg-aliased-vops to 3.
* fortran/options.c (gfc_init_options): Remove assignment to
MAX_ALIASED_VOPS.
* tree-flow-inline.h (gimple_mem_ref_stats): New.
* tree-dfa.c (dump_variable): Dump memory reference
statistics.
Dump NO_ALIAS* settings.
(referenced_var_lookup): Tidy.
(mem_sym_stats): New.
* tree-ssa-copy.c (may_propagate_copy): Return true if DEST
and ORIG are different SSA names for a memory partition.
* tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
* tree-flow.h (struct mem_sym_stats_d): Define.
(mem_sym_stats_t): Define.
(struct mem_ref_stats_d): Define.
(struct gimple_df): Add field mem_ref_stats.
(enum noalias_state): Define.
(struct var_ann_d): Add bitfield noalias_state.
(mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
debug_mem_ref_stats, debug_memory_partitions,
debug_mem_sym_stats): Declare.
* tree-ssa-structalias.c (update_alias_info): Update call
sites, pure/const call sites and asm sites in structure
returned by gimple_mem_ref_stats.
Remove local variable IS_POTENTIAL_DEREF.
Increase NUM_DEREFS if the memory expression is a potential
dereference.
Call update_mem_sym_stats_from_stmt.
If the memory references memory, call
update_mem_sym_stats_from_stmt for all the direct memory
symbol references found.
(intra_create_variable_infos): Set noalias_state field for
pointer arguments according to the value of
flag_argument_noalias.
* tree-ssa-structalias.h (struct alias_info): Remove fields
num_calls_found and num_pure_const_calls_found.
(update_mem_sym_stats_from_stmt): Declare.
* params.def (PARAM_MAX_ALIASED_VOPS): Change description.
Set default value to 100.
(PARAM_AVG_ALIASED_VOPS): Define.
From-SVN: r123719
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BIT_FIELD_REF and COMPONENT_REF.
* tree-dfa.c (get_ref_base_and_extent): Do not expect positive
offsets for BIT_FIELD_REF and COMPONENT_REF.
From-SVN: r123311
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with it with a HOST_WIDE_INT variable.
2007-03-27 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
computations with it with a HOST_WIDE_INT variable.
From-SVN: r123259
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referenced variable (in STORED_SYMS or LOADED_SYMS))
PR 30562
* tree-flow.h (struct var_ann_d): Remove field 'is_used'.
Update all users.
* tree-ssa-alias.c (compute_is_aliased): Remove. Update all
users.
(init_alias_info):
* tree-ssa-live.c (remove_unused_locals): Do not remove
TREE_ADDRESSABLE variables.
* tree-ssa-structalias.c (compute_points_to_sets): Tidy.
* tree-ssa-operands.c (add_virtual_operand): Remove argument
FOR_CLOBBER. Update all users.
If VAR has an associated alias set, add a virtual operand for
it if no alias is found to conflict with the memory reference.
From-SVN: r121715
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2007-01-28 Daniel Berlin <dberlin@dberlin.org>
* tree.h (struct tree_memory_tag): Add aliases member.
(MTAG_ALIASES): New macro.
* tree-ssa-alias.c (alias_bitmap_obstack): New variable.
(add_may_alias): Remove pointer-set. Update for may_aliases being
a bitmap.
(mark_aliases_call_clobbered): Update for may_aliases being a
bitmap.
(compute_tag_properties): Ditto.
(create_partition_for): Ditto.
(compute_memory_partitions): Ditto.
(dump_may_aliases_for): Ditto.
(is_aliased_with): Ditto.
(add_may_alias_for_new_tag): Ditto.
(rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
(compute_is_aliased): New function.
(compute_may_aliases): Call compute_is_aliased).
(init_alias_info): Initialize alias_bitmap_obstack.
(union_alias_set_into): New function.
(compute_flow_sensitive_aliasing): Use union_aliases_into.
(have_common_aliases_p): Rewrite to take two bitmaps and use
intersection.
(compute_flow_insensitive_aliasing): Stop using pointer-sets.
Update for bitmaps.
(finalize_ref_all_pointers): Update for add_may_alias changes.
(new_type_alias): Ditto.
* tree-flow-inline.h (may_aliases): Return a bitmap.
* tree-dfa.c (dump_variable): Check for MTAG_P'ness.
* tree-ssa.c (verify_flow_insensitive_alias_info): Update for
may_aliases being a bitmap.
* tree-flow.h (struct var_ann_d): Remove may_aliases member.
may_aliases now returns a bitmap.
* tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
being a bitmap.
* tree-ssa-operands.c (add_virtual_operand): Update for
may_aliases being a bitmap.
From-SVN: r121302
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* tree-dfa.c (remove_referenced_var): New function.
* tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
prune referenced vars list too.
* tree-flow.h (remove_referenced_var): Declare.
From-SVN: r120767
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* tree-flow-inline.h (var_ann): External variable annotations are
unshared too.
(tree_common_ann): Handle correctly unshared variables annotations.
* tree-dfa.c (create_var_ann): External variable annotations are
unshared too.
From-SVN: r120164
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static vars.
* tree-dfa.c (add_referenced_var): Walk initializers of
non-constant/readonly static vars.
From-SVN: r120090
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* tree-flow-inline.h (gimple_var_anns): New function.
(var_ann): Use hashtable for static functions.
* tree-dfa.c (create_var_ann): Likewise.
* tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
(init_tree_ssa): Initialize var anns.
(delete_tree_ssa): Delete var anns; also clear out gimple_df.
* tree-flow.h (struct static_var_ann_d): New structure.
(gimple_df): Add var_anns.
From-SVN: r120089
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does not cause vec_extract to be used)
2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/28436
* tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
(DECL_GIMPLE_REG_P): This.
* fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
using BIT_FIELD_REF.
* omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
* tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
and check for VECTOR_TYPE.
* expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
vector types.
* tree-flow-inline.h (var_can_have_subvars): Use the renamed
DECL_GIMPLE_REG_P.
* gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
and check for VECTOR_TYPE.
(gimplify_bind_expr): Likewise.
(gimplify_function_tree): Likewise.
* expmed.c: Include target.h.
(extract_bit_field): For vector mode, try find a better mode first.
If that fails use gen_lowpart (for vectors only).
* tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
and check for VECTOR_TYPE.
* tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
(insert_into_preds_of_block): Likewise.
(insert_fake_stores): Create gimple register store_tmps for
vector types.
* tree-sra.c (sra_elt): New field, is_vector_lhs.
(sra_walk_expr <case BIT_FIELD_REF>): For vector types that
are the left hand side, set the element's is_vector_lhs to true.
(instantiate_element): For vector types which were on the left hand size, set DECL_GIMPLE_REG_P to false.
* tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
DECL_GIMPLE_REG_P
and check for VECTOR_TYPE. (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
(copy_result_decl_to_var): Likewise.
* tree-vect-transform.c (vect_get_new_vect_var): For vector types, create a gimple register variable.
(vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
vect_inter_* temp variables.
* Makefile.in (expmed.o): Update dependencies.
2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/28436
* gcc.c-torture/compile/vector-1.c: New test.
* gcc.c-torture/compile/vector-2.c: New test.
* gcc.c-torture/compile/vector-3.c: New test.
From-SVN: r119801
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2006-12-11 Diego Novillo <dnovillo@redhat.com>
* doc/tree-ssa.texi: Update documentation for virtual operands
and the use of push_stmt_changes/pop_stmt_changes.
* doc/invoke.texi: Remove documentation for params
global-var-threshold.
Update documentation on max-aliased-vops.
* tree-into-ssa.c: Cleanup comments, variables and
spacing in various functions.
(regs_to_rename): Declare.
(mem_syms_to_rename): Declare.
(dump_update_ssa): Declare.
(debug_update_ssa): Declare.
(dump_names_replaced_by): Declare.
(debug_names_replaced_by): Declare.
(dump_def_blocks): Declare.
(debug_def_blocks): Declare.
(dump_defs_stack): Declare.
(debug_defs_stack): Declare.
(dump_currdefs): Declare.
(debug_currdefs): Declare.
(mark_def_sites): Do not handle virtual operands.
(compute_idf): Rename from find_idf. Update users.
(register_new_def): Make local. Convert second argument
to 'tree'.
Use BLOCK_DEFS_STACK directly.
If pushing a non-register, also push the underlying
symbol.
(rewrite_stmt): Do not handle virtual operands.
(dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
dump_currdefs and dump_tree_ssa_stats.
(dump_tree_ssa_stats): Also dump REPL_TBL.
(replace_use): Remove. Update all users to call SET_USE
instead.
(rewrite_blocks): Move code to free memory to
fini_ssa_renamer.
(mark_def_site_blocks): Move initialization code to
init_ssa_renamer.
(init_ssa_renamer): New.
(fini_ssa_renamer): New.
(rewrite_into_ssa): Call them.
(prepare_block_for_update): Process SSA_OP_ALL_USES first
and SSA_OP_ALL_DEFS later. Do not process virtual
operands separately.
(dump_update_ssa): Call dump_decl_set.
(init_update_ssa): Initialize regs_to_rename and
mem_syms_to_rename.
Call init_ssa_renamer.
(delete_update_ssa): Call fini_ssa_renamer.
Free blocks_with_phis_to_rewrite.
(mark_sym_for_renaming): If the variable has
sub-variables, also mark them.
If the variable belongs to a partition, also mark it.
(mark_set_for_renaming): Call mark_sym_for_renaming on
every symbol in the set.
(switch_virtuals_to_full_rewrite): Call
mark_set_for_renaming.
(update_ssa): Separate syms_to_rename into regs_to_rename
and mem_syms_to_rename.
* tree-dump.c (dump_options): Add TDF_MEMSYMS.
* tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
(debug_generic_stmt): Likewise.
(debug_tree_chain): Likewise.
(dump_symbols): New.
(dump_generic_node): Check for TDF_MEMSYMS.
Handle MEMORY_PARTITION_TAG.
If the statement references memory and TDF_MEMSYMS is
given, call dump_symbols.
Indicate default names with (D).
(dump_vops): Update for new virtual operator format.
* tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
tree_contains_struct.
(tree_code_size): Handle MEMORY_PARTITION_TAG.
(tree_node_structure): Likewise.
(needs_to_live_in_memory): Handle SSA names.
* tree.h (MTAG_P): Likewise.
(struct tree_memory_partition_tag): Declare.
(MPT_SYMBOLS): Define.
(union tree_node): Add field 'mpt'.
* treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
* tree.def (MEMORY_PARTITION_TAG): Define.
* tree-pass.h (TDF_MEMSYMS): Define.
* params.h (GLOBAL_VAR_THRESHOLD): Remove.
* tree-ssa-alias.c: Include pointer-set.h
(struct alias_map_d): Remove fields total_alias_vops,
grouped_p and may_aliases. Update all users.
(struct mp_info_def): Declare.
(mp_info_t): New type.
(get_smt_for): Rename from get_tmt_for. Update all
users.
(add_may_alias): Add argument ALREADY_ADDED. If given,
use it to avoid adding duplicate entries to alias sets.
(replace_may_alias): Remove. Update all users.
(total_alias_vops_cmp): Remove. Update all users.
(group_aliases_into): Remove. Update all users.
(tree_pointer_compare): Remove. Update all users.
(compact_name_tags): Remove. Update all users.
(group_aliases): Remove. Update all users.
(mark_non_addressable): Move from tree-flow-inline.h.
Remove the symbol from the partition holding it, if
needed.
(dump_mp_info): New.
(debug_mp_info): New.
(sort_mp_info): New.
(create_partition_for): New.
(rewrite_alias_set_for): New.
(compute_memory_partitions): New.
(compute_may_aliases): Call it.
(init_alias_info): If computing aliases for the first
time, mark every memory symbol for renaming.
(have_common_aliases_p): New.
(compute_flow_insensitive_aliasing): Call it.
(setup_pointers_and_addressables): Do not cache
num_referenced_vars.
For register promoted symbols, mark their former
partition for renaming.
(maybe_create_global_var): Only create .GLOBAL_VAR if
there are no call-clobbered variables and a mix of pure
and non-pure functions were found.
(may_alias_p): Tidy comments.
(create_tag_raw): Remove unused variable new_type.
(dump_alias_info): call dump_memory_partitions.
(dump_points_to_info_for): Call dump_decl_set.
(may_be_aliased): Tidy comments and formatting.
* timevar.def (TV_MEMORY_PARTITIONING): Define.
* tree-vectorizer.c (vect_memsyms_to_rename): Rename from
vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
versions in it.
(slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
* tree-vect-transform.c (vect_transform_loop): Call
mark_set_for_renaming with vect_memsyms_to_rename.
* tree-flow-inline.h (zero_imm_uses_p): New.
(memory_partition): New.
(set_memory_partition): New.
(factoring_name_p): New.
(symbol_mem_tag): New. Update every function that used
to access the annotation directly.
(set_symbol_mem_tag): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Allow copies
between a partition and a symbol as long as the symbol
belongs to the partition.
(merge_alias_info): Ignore merge requests when memory
partitions are involved.
* tree-ssa.c (verify_ssa_name): Check that default
definitions have empty defining statements.
(verify_use): Remove argument IS_VIRTUAL.
Don't call verify_ssa_name.
(verify_phi_args): Call verify_ssa_name.
(verify_flow_insensitive_alias_info): Handle MPTs.
(verify_flow_sensitive_alias_info): Likewise.
(verify_name_tags): Likewise.
(verify_call_clobbering): Likewise.
(verify_ssa): Check for VOPs only after aliasing
information is available.
Check virtuals and real operands separately.
Call verify_ssa_name on every operand.
(stmt_references_memory_p): Move to tree-ssa-operands.c.
(walk_use_def_chains_1): Guard against NULL PHI
arguments.
* tree-ssa-operands.c (stmt_references_memory_p): Move from
tree-ssa.c.
(get_mpt_for): New.
(dump_memory_partitions): New.
(debug_memory_partitions): New.
* tree-flow.h (struct var_ann_d): Add field mpt.
(struct stmt_ann_d): Add bitfield references_memory.
* Makefile.in (tree-ssa-structalias.o): Include
pointer-set.h
(tree-ssa-alias.o): Likewise.
* tree-ssa-structalias.c: (update_alias_info): Use
STORED_SYMS to determine which variables are being
written to by the store operation.
* tree-ssa-structalias.h (struct alias_info)
<total_alias_vops>: Remove. Update all users.
<written_vars>: Change to a pointer set. Update all
users.
<dereferenced_ptrs_store>: Likewise.
<dereferenced_ptrs_load>: Likewise.
(NUM_REFERENCES): Remove. Update all users.
(NUM_REFERENCES_CLEAR): Remove. Update all users.
(NUM_REFERENCES_INC): Remove. Update all users.
(NUM_REFERENCES_SET): Remove. Update all users.
* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
Update all users.
(PARAM_MAX_ALIASED_VOPS): Set to 10.
* tree-ssanames.c (make_ssa_name): Initialize
SSA_NAME_IS_DEFAULT_DEF to 0.
2006-12-11 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-dse.c (aggregate_vardecl_d): New.
(dse_global_data): Add aggregate_vardecl field.
(dse_possible_dead_store_p): New.
Add prev_defvar variable.
Allow immediate uses and previous immediate uses to differ
if they are setting different parts of the whole.
(get_aggregate_vardecl): New.
(dse_record_partial_aggregate_store): New.
(dse_whole_aggregate_clobbered_p): New.
(dse_partial_kill_p): New.
(dse_optimize_stmt): Abstract code checking a possible dead store
into new function dse_possible_dead_store_p().
Call dse_maybe_record_aggregate_store().
When checking whether a STMT and its USE_STMT refer to the
same memory address, check also for partial kills that clobber
the whole.
Move some variable definitions to the block where they are used.
(aggregate_vardecl_hash): New.
(aggregate_vardecl_eq): New.
(aggregate_vardecl_free): New.
(aggregate_whole_store_p): New.
(tree_ssa_dse): Initialize and free aggregate_vardecl.
Mark which aggregate stores we care about.
2006-12-11 Andrew Macleod <amacleod@redhat.com>
* tree-ssa-operands.h (struct vuse_element_d): Declare.
(vuse_element_t): Declare.
(struct vuse_vec_d): Declare.
(vuse_vec_p): Declare.
(VUSE_VECT_NUM_ELEM): Define.
(VUSE_VECT_ELEMENT_NC): Define.
(VUSE_ELEMENT_PTR_NC): Define.
(VUSE_ELEMENT_VAR_NC): Define.
(VUSE_VECT_ELEMENT): Define.
(VUSE_ELEMENT_PTR): Define.
(VUSE_ELEMENT_VAR): Define.
(struct maydef_optype_d) <use_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(struct vuse_optype_d) <kill_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(struct mustdef_optype_d) <kill_var>: Remove.
<use_ptr>: Remove.
<usev>: Add.
(VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
(VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
(VUSE_NUM): Define.
(VUSE_VECT): Define.
(MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
(MAYDEF_OP): Add argument. Use VUSE_OP.
(MAYDEF_NUM): Define.
(MAYDEF_VECT): Define.
(MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
(MUSTDEF_KILL): Use VUSE_OP.
(MUSTDEF_NUM): Define.
(MUSTDEF_VECT): Define.
(realloc_maydef): Declare.
(realloc_vuse): Declare.
(struct ssa_operand_iterator_d) <vuse_index>: Add.
<mayuse_index>: Add.
(LOADED_SYMS): Define.
(STORED_SYMS): Define.
(FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
* tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
operators.
* tree-pretty-print.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-flow-inline.h: Likewise.
(op_iter_next_mustdef): New.
* tree-ssa-operands.c: Likewise.
(ALLOC_OPTYPE): Remove.
Update all users.
(alloc_def): New.
(alloc_use): New.
(alloc_maydef): New.
(alloc_vuse): New.
(alloc_mustdef): New.
(realloc_maydef): New.
(realloc_vuse): New.
2006-12-11 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-operands.c: Remove build_v_must_defs.
(init_ssa_operands): Delete build_v_must_defs.
(finalize_ssa_v_must_def_ops): Remove.
(finalize_ssa_v_must_defs): Remove.
(finalize_ssa_stmt_operands): Do not call
finalize_ssa_v_must_defs.
(start_ssa_stmt_operands): Do not check build_v_must_defs.
(append_v_must_def): Delete.
(copy_virtual_operands): Do not copy V_MUST_DEFs.
(get_modify_expr_operands): Remove reference to V_MUST_DEF from
comment. Remove opf_kill_def.
(build_ssa_operands): Remove references to v_must_defs.
(copy_virtual_operands): Same.
(copy_virtual_operands): Same.
(fini_ssa_operands): Same.
(free_ssa_operands): Same.
(add_mustdef_op): Remove.
Remove mustdef_optype_p.
(alloc_mustdef): Remove.
Remove references to V_MUST_DEFs in comment at top of file.
(get_expr_operands): Remove opf_kill_def.
(opf_kill_def): Remove.
(add_virtual_operand): Remove opf_kill_def.
(get_indirect_ref_operands): Same.
(get_tmr_operands): Same.
* tree-vectorizer.c (rename_variables_in_bb): Remove
SSA_OP_ALL_KILLS.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
SSA_OP_ALL_KILLS.
(check_loop_closed_ssa_stmt): Same.
* tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
(verify_use): Same.
(verify_ssa): Remove V_MUST_DEFs traces.
(verify_ssa): Remove SSA_OP_ALL_KILLS.
* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
SSA_OP_VMAYDEF.
(rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
(rewrite_stmt): Remove SSA_OP_ALL_KILLS.
* tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
references.
(MUSTDEF_OPS): Remove.
(SSA_OP_VMUSTDEF): Remove.
(FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
(struct mustdef_optype_d): Remove.
Remove mustdef_optype_p.
(struct stmt_operands_d): Remove mustdef_ops.
(ssa_operand_iterator_d): Remove mustdefs and mustkills.
(SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
(MUSTDEF_RESULT_PTR): Remove.
(MUSTDEF_RESULT): Remove.
(MUSTDEF_KILL_PTR): Remove.
(MUSTDEF_KILL): Remove.
(MUSTDEF_NUM): Remove.
(MUSTDEF_VECT): Remove.
(SSA_OP_VIRTUAL_KILLS): Remove.
(SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
(SSA_OP_VMUSTKILL): Remove.
(SSA_OP_ALL_KILLS): Remove.
(SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
* tree-flow-inline.h (op_iter_init_def): Remove
SSA_OP_VIRTUAL_KILLS.
(delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
SSA_OP_VIRTUAL_KILLS.
* tree-ssa-loop-im.c (determine_max_movement): Remove
SSA_OP_VIRTUAL_KILLS.
(gather_mem_refs_stmt): Same.
(gather_mem_refs_stmt): Same.
* tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
(perform_tree_ssa_dce): Remove call to
mark_really_necessary_kill_operand_phis.
* tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
and mustkills.
(op_iter_next_use): Do not check mustkills.
(op_iter_next_def): Do not check mustdefs.
(op_iter_next_tree): Do not check mustkills or mustdefs.
(clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
(op_iter_next_maymustdef): Do not check mustkills.
(op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
(op_iter_init_mustdef): Remove.
* tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
SSA_OP_VMAYDEF.
* tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
* tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
(visit_assignment): Same.
* tree-ssa-copy.c (copy_prop_visit_assignment): Same.
* tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
* tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
* tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
Remove kill_p variable.
* tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
(dump_dfa_stats): Remove code related to V_MUST_DEFs.
(collect_dfa_stats_r): Do not set num_v_must_defs.
(mark_new_vars_to_rename): Remove v_must_defs_{before,after}
code.
* tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
SSA_OP_VMAYUSE.
* tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
* tree-ssa-propagate.c (stmt_makes_single_store): Remove
SSA_OP_VMUSTDEF.
From-SVN: r119760
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create_ssa_artficial_load_stmt.
* tree-ssa-operands.h (create_ssa_artificial_load_stmt):
Rename from create_ssa_artficial_load_stmt. Update all users.
* tree-into-ssa.c (register_new_def): Make static.
* tree.c (is_global_var): Handle SSA_NAMEs.
* tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
that used to call gimple_default_def.
* tree-ssa-operands.c (push_stmt_changes): New.
(pop_stmt_changes): New. Update every pass that modifies
statements to bracket modifications with
push_stmt_changes/pop_stmt_changes.
(discard_stmt_changes): New.
* tree-ssa-dom.c (stmts_to_rescan): Change to stack of
'tree *' instead of 'tree'. Update all users.
* tree-flow-inline.h (zero_imm_uses_p): New.
(symbol_mem_tag): New. Update every function that used
to access the annotation directly.
(set_symbol_mem_tag): Likewise.
* tree-dfa.c (dump_variable): Always show the escape mask.
(mark_symbols_for_renaming): Rename from
mark_new_vars_to_rename. Update all users.
Only mark to rename naked symbols in real and virtual
operands.
From-SVN: r119746
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From-SVN: r119546
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* tree-flow-inline.h
(gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
gimple_nonlocal_all): New accessors.
(first_referenced_var): Update.
(mark_stmt_modified): Update.
(is_call_clobbered): Update.
(mark_call_clobbered): Update.
(clear_call_clobbered): Update.
(mark_non_addressable): Update.
* tree-vrp.c (get_value_range): Update.
* tree-into-ssa.c (in_ssa_p): Kill.
(get_default_def_for): Update.
(rewrite_into_ssa): Update.
* tree-complex.c (init_parameter_lattice_values): Update.
(update_complex_assignment): Update.
(update_parameter_components): Update.
(expand_complex_libcall): Update.
(expand_complex_operations_1): Update.
* tree-tailcall.c (arg_needs_copy_p): Update.
(add_virtual_phis): Update.
(tree_optimize_tail_calls_1): Update.
* tree-ssa-dse.c (memory_ssa_name_same): Update.
* tree-ssa-copyrename.c
(copy_rename_partition_coalesce): Update.
* tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
* tree-ssa-propagate.c (set_rhs): Update.
* tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
addressable_vars, global_var):Kill.
(set_initial_properties): Update.
(init_alias_info): Update.
(finalize_ref_all_pointers): Update.
(setup_pointers_and_addressables): Update.
(maybe_create_global_var): Update.
(create_global_var): Update.
(dump_points_to_info): Update.
* function.h (struct gimple_df): Forward declare.
(struct function): Add GIMPLE_DF field.
* gimplify.c (force_gimple_operand): Update.
* tree-dfa.c (referenced_vars, default_defs): KIll.
(make_rename_temp): Update.
(dump_variable): Update.
(referenced_var_lookup): Update.
(referenced_var_check_and_insert): Update.
(default_def): Rename to ...
(gimple_default_def): ... this one; accept cfun argument.
(set_default_def): Update.
* tree-cfgcleanup.c (modified_noreturn_calls): Kill.
(cleanup_control_flow): Update.
* tree-ssa-pre.c (compute_avail): Update
* tree-ssa-live.c (calculate_live_on_entry): Update.
* tree-ssa.c (verify_use): Update.
(verify_call_clobbering): Update.
(verify_call_clobbering): Update.
(init_tree_ssa): Update.
(delete_tree_ssa): Update.
* tree-outof-ssa.c (coalesce_ssa_name): Update.
(rewrite_out_of_ssa): Update.
* tree-flow.h (gimple_df): New structure collecting dataflow variables.
(FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
private accessors.
(in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
ssa_names, global_var, nonlocal_all, call_clobbered_vars,
addressable_vars, aliases_computed_p): Kill.
(default_def): Rename to...
(gimple_default_def): ... this one.
(defaule_def_fn): Kill.
(num_referenced_vars, ssa_names, num_ssa_names): Update.
* tree-ssa-structalias.c (nonlocal_all): Kill.
(get_constraint_exp_from_ssa_var): Update.
(create_nonlocal_var): Update.
(get_constraint_for): Update.
(update_alias_info): Update.
(find_global_initializers): Update.
(intra_create_variable_infos): Update.
(intra_create_variable_infos):
(find_what_p_points_to): Update.
(init_alias_heapvars): Update.
* tree-cfg.c (remove_bb): Update.
(gimplify_val): Update.
* tree-ssa-reassoc.c (get_rank): Update.
(init_reassoc): Update.
* tree-ssanames.c: Do not include gt-tree-ssanames.h
(ssa_names, free_ssanames): Kill.
(init_ssanames): Update.
(make_ssa_name): Update.
(release_ssa_name): Update.
(release_defs): Update.
(replace_ssa_name_symbol): Update.
* tree-ssa-operands.c (access_can_touch_variable): Update.
(add_virtual_operand): Update.
(add_call_clobber_ops): Update.
(add_call_read_ops): Update.
(get_call_expr_operands): Update.
(get_asm_expr_operands): Update.
From-SVN: r119294
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2006-10-20 Daniel Berlin <dberlin@dberlin.org>
* tree.h (DECL_PTA_ARTIFICIAL): Remove.
(tree_decl_with_vis): Remove artificial_pta_var flag.
* tree-flow.h (referenced_var_check_and_insert): Expose.
(nonlocal_all): New prototype.
* tree-ssa-structalias.c (nonlocal_for_type): Remove.
(nonlocal_all): Make global.
(nonlocal_lookup): Remove.
(nonlocal_insert): Ditto.
(create_nonlocal_var): Do not call nonlocal_insert.
(get_nonlocal_id_for_type): Remove.
(find_global_initializers): Mark new vars we find for renaming.
(intra_create_variable_infos): Only create one nonlocal.
(expand_nonlocal_solutions): Remove.
(compute_points_to_sets): Don't call it.
(ipa_pta_execute): Ditto.
(init_alias_heapvars): Don't create nonlocal_for_type.
(delete_alias_heapvars): Don't remove it.
* tree-ssa-operands.c (access_can_touch_variable): Don't prune
nonlocal_all.
From-SVN: r117922
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