| Commit message (Collapse) | Author | Age | Files | Lines |
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* tree-ssa-alias.c (ao_ref_init): New function.
(ao_ref_base): Likewise.
(ao_ref_base_alias_set): Likewise.
(ao_ref_alias_set): Likewise.
(refs_may_alias_p_1): Change signature.
(refs_may_alias_p): Adjust.
(refs_anti_dependent_p): Likewise.
(refs_output_dependent_p): Likewise.
(call_may_clobber_ref_p_1): Change signature.
(call_may_clobber_ref_p): Adjust.
(stmt_may_clobber_ref_p_1): New function split out from ...
(stmt_may_clobber_ref_p): ... here.
(maybe_skip_until): Adjust signature.
(get_continuation_for_phi): Likewise.
(walk_non_aliased_vuses): Likewise.
* tree-ssa-alias.h (struct ao_ref_s): New structure type.
(ao_ref_init): Declare.
(ao_ref_base): Likewise.
(ao_ref_alias_set): Likewise.
(stmt_may_clobber_ref_p_1): Likewise.
(walk_non_aliased_vuses): Adjust.
* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
(get_ref_from_reference_ops): remove.
(vn_reference_lookup_2): Adjust signature.
(vn_reference_lookup_3): Do not re-build trees. Handle unions.
(vn_reference_lookup_pieces): Adjust signature, do not re-build
trees.
(vn_reference_lookup): Adjust.
(vn_reference_insert): Likewise.
(vn_reference_insert_pieces): Adjust signature.
(visit_reference_op_call): Adjust.
* tree-ssa-pre.c (get_expr_type): Simplify.
(phi_translate_1): Adjust.
(compute_avail): Likewise.
(translate_vuse_through_block): Do not re-build trees.
(value_dies_in_block_x): Likewise.
* tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
fields.
(vn_reference_lookup_pieces): Adjust declaration.
(vn_reference_insert_pieces): Likewise.
* gcc.dg/tree-ssa/ssa-fre-26.c: New testcase.
* gcc.c-torture/execute/20090527-1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147953 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
TMR_ORIGINAL. Always either record TMR_SYMBOL or TMR_BASE.
* tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
TARGET_MEM_REF.
(create_expression_by_pieces): Only convert if necessary.
* gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
* tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147779 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
not TODO_update_ssa.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147574 138bc75d-0d04-0410-961f-82ee72b054a4
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* passes.c (init_optimization_passes): Strip now incorrect comment.
(execute_function_todo): Do not set PROP_alias.
* tree-pass.h (PROP_alias): Remove.
* tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
* tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
* tree-nrv.c (pass_return_slot): Likewise.
* tree-object-size.c (pass_object_sizes): Likewise.
* tree-ssa-dom.c (pass_dominator): Likewise.
(pass_phi_only_cprop): Likewise.
* tree-ssa-dse.c (pass_dse): Likewise.
* tree-ssa-phiopt.c (pass_phiopt): Likewise.
(pass_cselim): Likewise.
* tree-ssa-pre.c (pass_pre): Likewise.
(pass_fre): Likewise.
* tree-ssa-reassoc.c (pass_reassoc): Likewise.
* tree-ssa-sink.c (pass_sink_code): Likewise.
* tree-stdarg.c (pass_stdarg): Likewise.
* tree-tailcall.c (pass_tail_calls): Likewise.
* tree-vrp.c (pass_vrp): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147371 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/39940
* tree-ssa-pre.c (eliminate): Make sure we may propagate before
doing so.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147065 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/39941
* tree-ssa-pre.c (eliminate): Schedule update-ssa after
eliminating an indirect call.
* gcc.c-torture/compile/pr39941.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146948 138bc75d-0d04-0410-961f-82ee72b054a4
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assertion for AVAIL_OUT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146298 138bc75d-0d04-0410-961f-82ee72b054a4
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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'.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146295 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
(record_equivalences_from_stmt): Remove useless checks and
simplifications.
* tree-ssa-pre.c (eliminate): Avoid converting a constant if
the type is already suitable.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146260 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (eliminate): When replacing a PHI node carry
out a necessary conversion.
* tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
names we didn't value number.
* tree-mudflap.c (mf_build_check_statement_for): Use correct types.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146121 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145961 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/28868
* tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
of which PHI results we inserted.
(insert_into_preds_of_block): Record inserted PHIs.
(eliminate): Eliminate redundant PHI nodes.
(init_pre): Init inserted_phi_names.
* gcc.dg/tree-ssa/ssa-fre-21.c: New testcase.
* gcc.dg/tree-ssa/ssa-sccvn-1.c: Adjust.
* gcc.dg/tree-ssa/ssa-sccvn-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-sccvn-4.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145607 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/8781
PR tree-optimization/37892
* tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
* tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
(valueize_refs): Call it for *& valueizations.
(shared_reference_ops_from_ref): Rename to ...
(valueize_shared_reference_ops_from_ref): ... this and valueize.
(shared_reference_ops_from_call): Rename to ...
(valueize_shared_reference_ops_from_call): ... this and valueize.
(vn_reference_lookup): Update.
(visit_reference_op_call): Likewise.
* tree-ssa-pre.c (phi_translate_1): Fold *&.
(eliminate): Value-replace the call address in call statements.
* g++.dg/tree-ssa/pr8781.C: New testcase.
* gcc.dg/tree-ssa/ssa-pre-25.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145533 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145494 138bc75d-0d04-0410-961f-82ee72b054a4
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PR middle-end/23401
PR middle-end/27810
* tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
(struct tree_decl_with_vis): Remove gimple_formal_temp member.
* tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
a separate statement.
* gimplify.c (pop_gimplify_context): Remove formal temp handling.
(lookup_tmp_var): Likewise.
(is_gimple_formal_tmp_or_call_rhs): Remove.
(is_gimple_reg_or_call_rhs): Rename to ...
(is_gimple_reg_rhs_or_call): ... this.
(is_gimple_mem_or_call_rhs): Rename to ...
(is_gimple_mem_rhs_or_call): ... this.
(internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
DECL_GIMPLE_REG_P only if is_formal is true.
(gimplify_compound_lval): Use is_gimple_reg. Remove workaround
for non-proper post-modify expression gimplification.
(gimplify_self_mod_expr): For post-modify expressions gimplify
the lvalue to a minimal lvalue.
(rhs_predicate_for): Remove formal temp case.
(gimplify_modify_expr_rhs): Likewise.
(gimplify_addr_expr): Use is_gimple_reg.
(gimplify_expr): Remove formal temp cases.
(gimple_regimplify_operands): Likewise.
* tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
and FILTER_EXPR like constants.
* gimple.c (walk_gimple_op): Fix val_only initialization, use
is_gimple_reg.
(is_gimple_formal_tmp_rhs): Remove.
(is_gimple_reg_rhs): Remove special casing.
(is_gimple_mem_rhs): Fix.
(is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
(is_gimple_formal_tmp_var): Remove.
(is_gimple_formal_tmp_reg): Likewise.
(is_gimple_min_lval): Allow invariant component ref parts.
* gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
is_gimple_formal_tmp_reg): Remove declarations.
* tree-cfg.c (verify_expr): Verify that variables with address
taken do not have DECL_GIMPLE_REG_P set.
* tree-mudflap.c (mf_build_check_statement_for): Use
force_gimple_operand instead of gimplify_expr.
java/
* java-gimplify.c (java_gimplify_expr): Do not manually gimplify
the first operand of binary and comaprison expressions.
* gcc.dg/tree-ssa/pr23401.c: New testcase.
* gcc.dg/tree-ssa/pr27810.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145338 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/38723
* tree-ssa-pre.c (compute_avail): Add all default definitions to
the entry block.
* gcc.dg/tree-ssa/ssa-fre-22.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145197 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/38513
* tree-ssa-pre.c (eliminate): Remove redundant stores.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
EXC_PTR_EXPR and FILTER_EXPR.
(get_ref_from_reference_ops): Likewise.
* gcc.dg/tree-ssa/ssa-fre-21.c: New testcase.
* gcc.dg/tree-ssa/ssa-dse-11.c: Adjust.
* gcc.dg/vect/vect-reduc-dot-u8a.c: Likewise.
* gcc.dg/vect/vect-reduc-dot-u8b.c: Likewise.
* gcc.dg/vect/slp-widen-mult-u8.c: Likewise.
* gcc.dg/vect/vect-multitypes-16.c: Likewise.
* gcc.dg/vect/vect-35.c: Likewise.
* gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c: Likewise.
* gcc.dg/vect/vect-multitypes-17.c: Likewise.
* gcc.dg/vect/slp-widen-mult-s16.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@145172 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144324 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/39204
* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
of the PHI arg.
* gcc.dg/torture/pr39204.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144233 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/35659
* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
vn_phi_eq): Shortcut if hashcode does not match.
(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
NULL operands.
* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
and avoid iterative_hash_expr.
(FOR_EACH_VALUE_ID_IN_SET): New.
(value_id_compare): Remove.
(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
sort expressions by value id.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143980 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/38926
* tree-ssa-pre.c (add_to_value): Assert we add only expressions
with the correct value id to a value.
(do_regular_insertion): Use the value number of edoubleprime
for the value number of the expr.
Revert
2008-08-21 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
a PHI ask VN if it is already available.
* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
* tree-ssa-sccvn.c (vn_phi_lookup): Export.
* gcc.c-torture/compile/pr38926.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143725 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/38819
* tree-flow.h (operation_could_trap_helper_p): Declare.
* tree-eh.c (operation_could_trap_helper_p): Export.
* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
are about to insert a possibly trapping instruction and fail
in this case.
* gcc.c-torture/execute/pr38819.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143485 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (compute_antic): Correct loop bounds.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143014 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/36792
* tree-ssa-pre.c (compute_avail): Handle tcc_comparison like
tcc_binary.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142662 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/36792
* tree-ssa-pre.c (compute_avail): Don't insert defs into maximal
set.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142659 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142393 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/37542
* tree-ssa-pre.c (fully_constant_expression): Handle more cases.
* tree-ssa-sccvn.c (vn_get_expr_for): Fix typo.
(vn_nary_op_lookup_stmt): Adjust for unary reference trees.
(vn_nary_op_insert_stmt): Likewise.
(visit_use): Likewise.
* gcc.dg/tree-ssa/ssa-pre-22.c: New testcase.
* gcc.c-torture/compile/20081101-1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141534 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant
part of expression.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141249 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (phi_translate_set): Add constants to phi
translation cache.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141182 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/37617
* tree-ssa-pre.c (create_expression_by_pieces): During FRE
do not add to the NEW_SETS.
* gcc.c-torture/compile/pr37617.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140816 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/37145
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Re-enable
value-numbering union accesses with their offset and size only.
(visit_reference_op_load): Fix simplification of inserted conversions.
* tree-ssa-pre.c (find_or_generate_expression): Do not
recursively generate expressions if running FRE.
* gcc.c-torture/compile/20080922-1.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-7.c: Remove XFAIL.
* gcc.dg/tree-ssa/ssa-fre-8.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-9.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140562 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/37145
* tree-ssa-pre.c (fully_constant_expression): Simplify builtin calls.
(phi_translate_1): Constant fold references.
* gcc.dg/tree-ssa/ssa-pre-15.c: Remove XFAIL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140547 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140283 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (phi_translate_1): Fix memory leak.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140236 138bc75d-0d04-0410-961f-82ee72b054a4
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* postreload-gcse.c (gate_handle_gcse2): Disable for functions
optimized for speed.
* final.c (compute_alignments): Use optimize_bb_for_size_p.
* tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
* opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
flag_gcse_after_reload_set): New static vars.
(common_handle_option): Enable those flags for profile-use.
(decode_options): Remove optimize_size flags that are handled
on higher granuality.
* tree-vectorizer.c (vectorize_loops): Use
optimize_loop_nest_for_speed_p.
* tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
* tree-predcom.c (tree_predictive_commoning): Use
optimize_loop_for_speed_p.
* varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
* bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
* predict.c (optimize_loop_for_speed_p): Fix walk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139801 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
a PHI ask VN if it is already available.
* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
* tree-ssa-sccvn.c (vn_phi_lookup): Export.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139388 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-vrp.c (found_in_subgraph): Remove.
(live): New global static.
(live_on_edge): New function.
(blocks_visited): Remove.
(register_edge_assert_for_2): Use live_on_edge.
(find_conditional_asserts): Remove code dealing with
found_in_subgraph. Do not walk the CFG.
(find_switch_asserts): Likewise.
(find_assert_locations_1): Renamed from find_assert_locations.
Move finding assert locations for conditional and switch
statements first. Update live bitmap. Do not walk the CFG.
(find_assert_locations): New function.
(insert_range_assertions): Remove entry of CFG walk.
Adjust call to find_assert_locations.
* tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
that only can appear because of fake exit edges but assert we
never try to insert on those.
(fini_pre): Do not remove fake exit edges here...
(execute_pre): ...but here, before committing edge inserts.
* gcc.dg/tree-ssa/pr20701.c: Scan vrp1 dump.
* gcc.dg/tree-ssa/ssa-dom-thread-1.c: Pass -fno-tree-vrp.
* gcc.dg/tree-ssa/ssa-pre-20.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139263 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/35972
PR tree-optimization/23094
* tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
parameter.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
handle MISALIGNED_INDIRECT_REF.
(get_ref_from_reference_ops): New helper.
(vn_reference_lookup_pieces): Walk the use-def chain using the
alias-oracle if requested.
* tree-ssa-pre.c (phi_translate_1): Do reference lookup with
walking the use-def chain.
(compute_avail): But not here.
(create_component_ref_by_pieces_1): Properly handle
MISALIGNED_INDIRECT_REF.
(do_regular_insertion): Handle fully redundant
expressions after PHI-translation also for SSA_NAME values, not
only constants. Correctly use edoubleprime for that.
* gcc.dg/tree-ssa/ssa-pre-19.c: New testcase.
* gcc.dg/autopar/reduc-1.c: Move constant initialized arrays to
global memory.
* gcc.dg/autopar/reduc-1char.c: Likewise.
* gcc.dg/autopar/reduc-1short.c: Likewise.
* gcc.dg/autopar/reduc-2.c: Likewise.
* gcc.dg/autopar/reduc-2char.c: Likewise.
* gcc.dg/autopar/reduc-2short.c: Likewise.
* gcc.dg/autopar/reduc-3.c: Likewise.
* gcc.dg/tree-ssa/ifc-20040816-1.c: Likewise.
* gcc.dg/vect/costmodel/i386/costmodel-vect-reduc-1char.c: Likewise.
* gcc.dg/vect/costmodel/x86_64/costmodel-vect-reduc-1char.c: Likewise.
* gcc.dg/vect/fast-math-vect-reduc-5.c: Likewise.
* gcc.dg/vect/fast-math-vect-reduc-7.c: Likewise.
* gcc.dg/vect/no-trapping-math-2.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-111.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-ifcvt-11.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-ifcvt-12.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-ifcvt-13.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-ifcvt-14.c: Likewise.
* gcc.dg/vect/no-trapping-math-vect-ifcvt-15.c: Likewise.
* gcc.dg/vect/no-vfa-vect-37.c: Likewise.
* gcc.dg/vect/no-vfa-vect-depend-1.c: Likewise.
* gcc.dg/vect/pr18400.c: Likewise.
* gcc.dg/vect/slp-12b.c: Likewise.
* gcc.dg/vect/slp-14.c: Likewise.
* gcc.dg/vect/slp-7.c: Likewise.
* gcc.dg/vect/slp-15.c: Likewise.
* gcc.dg/vect/slp-16.c: Likewise.
* gcc.dg/vect/slp-17.c: Likewise.
* gcc.dg/vect/slp-24.c: Likewise.
* gcc.dg/vect/slp-28.c: Likewise.
* gcc.dg/vect/slp-3.c: Likewise.
* gcc.dg/vect/slp-34.c: Likewise.
* gcc.dg/vect/slp-6.c: Likewise.
* gcc.dg/vect/slp-8.c: Likewise.
* gcc.dg/vect/vect-107.c: Likewise.
* gcc.dg/vect/vect-108.c: Likewise.
* gcc.dg/vect/vect-11.c: Likewise.
* gcc.dg/vect/vect-112.c: Likewise.
* gcc.dg/vect/vect-115.c: Likewise.
* gcc.dg/vect/vect-11a.c: Likewise.
* gcc.dg/vect/vect-34.c: Likewise.
* gcc.dg/vect/vect-9.c: Likewise.
* gcc.dg/vect/vect-97.c: Likewise.
* gcc.dg/vect/vect-align-1.c: Likewise.
* gcc.dg/vect/vect-float-extend-1.c: Likewise.
* gcc.dg/vect/vect-floatint-conversion-1.c: Likewise.
* gcc.dg/vect/vect-ifcvt-16.c: Likewise.
* gcc.dg/vect/vect-ifcvt-17.c: Likewise.
* gcc.dg/vect/vect-ifcvt-2.c: Likewise.
* gcc.dg/vect/vect-ifcvt-3.c: Likewise.
* gcc.dg/vect/vect-ifcvt-4.c: Likewise.
* gcc.dg/vect/vect-ifcvt-5.c: Likewise.
* gcc.dg/vect/vect-ifcvt-6.c: Likewise.
* gcc.dg/vect/vect-ifcvt-7.c: Likewise.
* gcc.dg/vect/vect-intfloat-conversion-1.c: Likewise.
* gcc.dg/vect/vect-intfloat-conversion-2.c: Likewise.
* gcc.dg/vect/vect-intfloat-conversion-3.c: Likewise.
* gcc.dg/vect/vect-intfloat-conversion-4a.c: Likewise.
* gcc.dg/vect/vect-intfloat-conversion-4b.c: Likewise.
* gcc.dg/vect/vect-multitypes-2.c: Likewise.
* gcc.dg/vect/vect-multitypes-5.c: Likewise.
* gcc.dg/vect/vect-reduc-1.c: Likewise.
* gcc.dg/vect/vect-reduc-1char.c: Likewise.
* gcc.dg/vect/vect-reduc-1short.c: Likewise.
* gcc.dg/vect/vect-reduc-2.c: Likewise.
* gcc.dg/vect/vect-reduc-3.c: Likewise.
* gcc.dg/vect/vect-shift-1.c: Likewise.
* gcc.dg/vect/vect-strided-float.c: Likewise.
* gcc.dg/vect/vect-strided-store-u32-i2.c: Likewise.
* gcc.dg/vect/wrapv-vect-reduc-2char.c: Likewise.
* gcc.dg/vect/wrapv-vect-reduc-2short.c: Likewise.
* gcc.dg/tree-ssa/gen-vect-11.c: Likewise.
* gcc.dg/tree-ssa/gen-vect-11a.c: Likewise.
* gcc.dg/tree-ssa/gen-vect-2.c: Likewise.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-76c.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139226 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
Rematerialize the static chain, if any.
* tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
static chain.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139072 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (fini_pre): Take in_fre parameter. Free
loop information only if we initialized it.
(execute_pre): Call fini_pre with in_fre.
* tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
if we do not unroll because we hit max-completely-peeled-insns.
Use our estimation for consistency, do allow shrinking.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138522 138bc75d-0d04-0410-961f-82ee72b054a4
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PR tree-optimization/36945
* tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
Record invariant addresses un-decomposed.
(copy_reference_ops_from_call): Record reference call
arguments properly. Simplify.
* tree-ssa-pre.c (create_component_ref_by_pieces_1): New
helper split out from ...
(create_component_ref_by_pieces): ... here. Simplify.
Prepare for recursive invocation for call arguments.
(create_expression_by_pieces): Adjust call to
create_component_ref_by_pieces.
(compute_avail): Process operand 2 of reference ops.
* gcc.dg/tree-ssa/ssa-pre-18.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138257 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
(insert_fake_stores): Remove.
(realify_fake_stores): Likewise.
(execute_pre): Remove dead code.
* tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary
case.
(find_func_aliases): Deal with it here instead.
Re-enable gcc_unreachable call.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138213 138bc75d-0d04-0410-961f-82ee72b054a4
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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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138207 138bc75d-0d04-0410-961f-82ee72b054a4
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PR bootstrap/36864
* tree-ssa-sccvn.h (get_constant_value_id): Declare.
* tree-ssa-sccvn.c (get_constant_value_id): New function.
* tree-ssa-pre.c (get_expr_value_id): For newly created
constant value-ids make sure to add the expression to its
expression-set.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137991 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
* tree-ssa-pre.c (pre_expr_eq): Ditto
(get_constant_for_value_id): Take a type as an argument.
(fully_constant_expression): Pass in type.
(find_or_generate_expression): Short circuit constant case.
(create_expression_by_pieces): Remove special casing of
pointer_plus.
(do_regular_insertion): Short circuit constant case.
(do_partial_partial_insertion): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137859 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (insert_into_preds_of_block): Do not call
convert.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137780 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (fully_constant_expression): Add fold_convert
calls.
(create_expression_by_pieces): Fix typo.
(do_regular_insertion): Use debug counter here too.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137774 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert
calls.
(eliminate): Ditto.
(execute_pre): Call loop_optimizer_finalize in early exit.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137696 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-ssa-pre.c (phi_translate_1): Update placement of
add_to_value calls.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137665 138bc75d-0d04-0410-961f-82ee72b054a4
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Fix PR tree-optimization/23455
Fix PR tree-optimization/35286
Fix PR tree-optimization/35287
* Makefile.in (OBJS-common): Remove tree-vn.o.
tree-vn.o: Remove.
* dbgcnt.def: Add treepre_insert debug counter.
* gcc/tree-flow.h (add_to_value): Updated for other changes.
(debug_value_expressions): Ditto.
(print_value_expressions): Ditto.
* tree-pretty-print.c (dump_generic_node): Updated for
VALUE_HANDLE removal.
* tree-ssa-dom.c (record_equality): Ditto.
(cprop_operand): Ditto.
(lookup_avail_expr): Ditto.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Ditto.
(simplify_control_stmt_condition): Ditto.
* tree.c (tree_code_size): Ditto.
(tree_node_structure): Ditto.
(iterative_hash_expr): Ditto.
* tree.def: Ditto.
* tree.h (VALUE_HANDLE_ID): Ditto.
(VALUE_HANDLE_EXPR_SET): Ditto.
(struct tree_value_handle): Ditto.
(union tree_node): Ditto.
* treestruct.def: Ditto.
* tree-vn.c: Removed.
* tree-ssa-pre.c: Rewritten entirely.
* tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
(constant_value_ids): Ditto.
(vn_nary_op_t): Moved to header.
(vn_phi_t): Ditto.
(vn_reference_op_t): Ditto
(vn_reference_t): Ditto.
(next_value_id): New variable.
(VN_INFO): Add an assert.
(vn_constant_eq): New function.
(vn_constant_hash): Ditto.
(get_or_alloc_constant_value_id): Ditto.
(value_id_constant_p): Ditto.
(vn_reference_compute_hash): De-staticify.
(copy_reference_ops_from_ref): Don't use get_callee_fndecl.
Disable some code with a FIXME.
Remove VALUE_HANDLE use.
(valueize_refs): Update opcode if it changes from ssa name to
constant.
(vn_reference_lookup_1): Add new argument.
(vn_reference_lookup): Ditto.
(vn_reference_lookup_pieces): New function.
(vn_reference_insert): Add return type. Modify to deal with value
ids.
(vn_reference_insert_pieces): New function.
(vn_nary_op_compute_hash): De-staticify.
(vn_nary_op_eq): Ditto.
(vn_nary_op_lookup_pieces): New function.
(vn_nary_op_lookup): Add new argument.
(vn_nary_op_insert_pieces): New function.
(vn_nary_op_insert): Add return type. Modify to deal with value
ids.
(vn_phi_insert): Ditto.
(visit_unary_op): Update for callee changes.
(visit_binary_op): Ditto.
(visit_reference_op_load): Ditto.
(visit_reference_op_store): Ditto.
(init_scc_vn): Init next_value_id, constant_to_value_id and
constant_value_ids.
(free_scc_vn): Free them.
(set_hashtable_value_ids): New function.
(run_scc_vn): Use it.
(get_max_value_id): New function.
(get_next_value_id): Ditto.
(expressions_equal_p): Moved from tree-vn.c
(sort_vuses): Ditto.
(sort_vuses_heap): Ditto.
* tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
above).
* tree.c (iterative_hash_hashval_t): Made non-static
* tree.h (iterative_hash_hashval_t): Declare it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137631 138bc75d-0d04-0410-961f-82ee72b054a4
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