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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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From-SVN: r119546
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2006-11-16 Dirk Mueller <dmueller@suse.de>
* tree-vrp.c (get_value_range): Use XCNEW instead
of XNEW and memset.
(insert_range_assertions): Use XCNEWVEC instead
of XNEWVEC and memset.
(vrp_initialize): Same.
(vrp_finalize): Same.
* tree-ssa-ccp.c (ccp_initialize): Same.
* predict.c (tree_bb_level_predictions): Same.
* calls.c (expand_call): Same.
* tree-ssa-copy.c (init_copy_prop): Same.
(fini_copy_prop): Same.
* tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
of GGC_NEW and memset.
* name-lookup.c (begin_scope): Use GGC_CNEW instead of
GGC_NEW and memset.
From-SVN: r118903
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PR/27087
* tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
alias information too.
* gcc.c-torture/compile/pr27087.c: New test.
From-SVN: r112849
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2006-04-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26135
* tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
loads for store copy-prop.
(copy_prop_visit_stmt): Likewise.
* gcc.dg/tree-ssa/ssa-copyprop-1.c: New testcase.
From-SVN: r112749
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2006-03-30 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/26830
* tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
(copy_prop_visit_stmt): Remove write-only variable ann.
(init_copy_prop): Check variable loop depth here. Do not simulate
memory-tag and virtual operand PHIs except for store copy prop.
From-SVN: r112534
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* tree-pass.h (pass_phi_only_copy_prop): Delete.
(pass_phi_only_cprop): Declare.
* passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
with phi_only_cprop
* tree-ssa-dom.c (degenerate_phi_result): New function.
(remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
(get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
(eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
(eliminate_degenerate_phis): Likewise.
(pass_phi_only_cprop): New pass descriptor.
* tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
support code. Callers updated.
(execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
(store_copy_prop): Likewise.
(do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
* gcc.dg/tree-ssa/pr21829.c: New test.
From-SVN: r112242
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2006-03-02 Daniel Berlin <dberlin@dberlin.org>
* gcc/tree-vrp.c (execute_vrp): Return value.
* gcc/regrename.c (rest_of_handle_regrename): Ditto.
* gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
* gcc/tree-complex.c (tree_lower_complex): Ditto.
(tree_lower_complex_O0): Ditto.
* gcc/tracer.c (rest_of_handle_tracer): Ditto.
* gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
* gcc/postreload.c (rest_of_handle_postreload): Ditto.
* gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
(execute_tail_calls): Ditto.
* gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* gcc/tree.h (init_function_for_compilation): Ditto.
* gcc/ipa-cp.c (ipcp_driver): Ditto.
* gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
* gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
* gcc/final.c (compute_alignments): Ditto.
(rest_of_handle_final): Ditto.
(rest_of_handle_shorten_branches): Ditto.
(rest_of_clean_state): Ditto.
* gcc/omp-low.c (execute_expand_omp): Ditto.
(execute_lower_omp): Ditto.
* gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
* gcc/ipa-reference.c (static_execute): Ditto.
* gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
* gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
(rest_of_handle_machine_reorg): Ditto.
* gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
* gcc/flow.c (recompute_reg_usage): Ditto.
(rest_of_handle_remove_death_notes): Ditto.
(rest_of_handle_life): Ditto.
(rest_of_handle_flow2): Ditto.
* gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
* gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
(do_ssa_store_ccp): Ditto.
(execute_fold_all_builtins): Ditto.
* gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
* gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
* gcc/ipa-pure-const.c (static_execute): Ditto.
* gcc/cse.c (rest_of_handle_cse): Ditto.
(rest_of_handle_cse2): Ditto.
* gcc/web.c (rest_of_handle_web): Ditto.
* gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
* gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
* gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* gcc/tree-nrv.c (tree_nrv): Ditto.
(execute_return_slot_opt): Ditto.
* gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
(create_structure_vars): Ditto.
* gcc/loop-init.c (rtl_loop_init): Ditto.
(rtl_loop_done): Ditto.
(rtl_move_loop_invariants): Ditto.
(rtl_unswitch): Ditto.
(rtl_unroll_and_peel_loops): Ditto.
(rtl_doloop): Ditto.
* gcc/gimple-low.c (lower_function_body): Ditto.
(mark_used_blocks): Ditto.
* gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
* gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
(cgraph_early_inlining): Ditto.
* gcc/global.c (rest_of_handle_global_alloc): Ditto.
* gcc/jump.c (cleanup_barriers): Ditto.
(purge_line_number_notes): Ditto.
* gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
(rest_of_handle_if_after_reload): Ditto.
* gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
(tree_ssa_loop_im): Ditto.
(tree_ssa_loop_unswitch): Ditto.
(tree_vectorize): Ditto.
(tree_linear_transform): Ditto.
(tree_ssa_loop_ivcanon): Ditto.
(tree_ssa_empty_loop): Ditto.
(tree_ssa_loop_bounds): Ditto.
(tree_complete_unroll): Ditto.
(tree_ssa_loop_prefetch): Ditto.
(tree_ssa_loop_ivopts): Ditto.
(tree_ssa_loop_done): Ditto.
* gcc/predict.c (tree_estimate_probability): Ditto.
* gcc/recog.c (split_all_insns_noflow): Ditto.
(rest_of_handle_peephole2): Ditto.
(rest_of_handle_split_all_insns): Ditto.
* gcc/tree-eh.c (lower_eh_constructs): Ditto.
* gcc/regmove.c (rest_of_handle_regmove): Ditto.
(rest_of_handle_stack_adjustments): Ditto.
* gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
* gcc/function.c (instantiate_virtual_regs): Ditto.
(init_function_for_compilation): Ditto.
(rest_of_handle_check_leaf_regs): Ditto.
* gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
(rest_of_handle_gcse): Ditto.
* gcc/ipa-type-escape.c (type_escape_execute): Ditto.
* gcc/alias.c (rest_of_handle_cfg): Ditto.
* gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
* gcc/profile.c (rest_of_handle_branch_prob): Ditto.
* gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
* gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
* gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
* gcc/tree-dfa.c (find_referenced_vars): Ditto.
* gcc/except.c (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
(rest_of_handle_eh): Ditto.
* gcc/emit-rtl.c (unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
* gcc/except.h (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
* gcc/cfgexpand.c (tree_expand_cfg): Ditto.
* gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
* gcc/tree-ssa-pre.c (do_pre): Ditto.
(execute_fre): Ditto.
* gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
(rest_of_handle_jump2): Ditto.
* gcc/tree-sra.c (tree_sra): Ditto.
* gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
(execute_mudflap_function_decls): Ditto.
* gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
(do_store_copy_prop): Ditto.
* gcc/ipa-prop.h (ipcp_driver): Ditto.
* gcc/cfglayout.c (insn_locators_initialize): Ditto.
* gcc/tree-ssa-forwprop.c
(tree_ssa_forward_propagate_single_use_vars): Ditto.
* gcc/cfglayout.h (insn_locators_initialize): Ditto.
* gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
* gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
(execute_late_warn_uninitialized): Ditto.
* gcc/rtl.h (cleanup_barriers): Ditto.
(split_all_insns_noflow): Ditto.
(purge_line_number_notes): Ditto.
(unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
(recompute_reg_usage): Ditto.
(variable_tracking_main): Ditto.
* gcc/integrate.c (emit_initial_value_sets): Ditto.
* gcc/integrate.h (emit_initial_value_sets): Ditto.
* gcc/tree-optimize.c (execute_free_datastructures): Ditto
(execute_free_cfg_annotations): Ditto.
(execute_fixup_cfg): Ditto.
(execute_cleanup_cfg_pre_ipa): Ditto.
(execute_cleanup_cfg_post_optimizing): Ditto.
(execute_init_datastructures): Ditto.
* gcc/tree-object-size.c (compute_object_sizes): Ditto.
* gcc/combine.c (rest_of_handle_combine): Ditto.
* gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
* gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
(rest_of_handle_reorder_blocks): Ditto.
(rest_of_handle_partition_blocks): Ditto.
* gcc/var-tracking.c (variable_tracking_main): Ditto.
* gcc/tree-profile.c (tree_profiling): Ditto.
* gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
* gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
* gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
(rest_of_handle_sched2): Ditto.
* gcc/basic-block.h (free_bb_insn): Ditto.
* gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
* gcc/tree-cfg.c (execute_build_cfg): Ditto.
(remove_useless_stmts): Ditto.
(split_critical_edges): Ditto.
(execute_warn_function_return): Ditto.
(execute_warn_function_noreturn): Ditto.
* gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
* gcc/cfgrtl.c (free_bb_for_insn): Ditto.
* gcc/passes.c (execute_one_pass): Run additional
todos returned by execute function.
* gcc/tree-pass.h (struct tree_opt_pass): Make execute
return a value.
From-SVN: r111643
|
|
* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
Update all users.
* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
Update all users.
(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
Update all users.
* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
Update all users.
* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
to 'symbol_mem_tag'.
Update all users.
* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
rename.
From-SVN: r111617
|
|
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
From-SVN: r110656
|
|
* tree-tailcall.c (find_tail_calls): Use XNEW.
* tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
(free_all_edge_infos): Use explicit cast to convert from void
* *.
(vrp_free): Likewise.
(dom_opt_finalize_block): Likewise.
(record_equivalences_from_incoming_edge): Likewise.
(thread_across_edge): Likewise. Use XCNEWVEC.
(record_cond): Use XCNEW.
(record_conditions): Use XNEWVEC.
(record_edge_info): Use XCNEWVEC.
(lookup_avail_expr): Use XNEW.
(record_range): Likewise. Use GGC_NEW.
* tree-nested.c (var_map_hash): Use explicit cast to convert
* from
void *.
(var_map_eq): Likewise.
(lookup_field_for_decl): Likewise.
(convert_nonlocal_reference): Likewise.
(convert_local_reference): Likewise.
(convert_nl_goto_reference): Likewise.
(convert_nl_goto_receiver): Likewise.
(convert_call_expr): Likewise.
(convert_tramp_reference): Likewise.
(lookup_tramp_for_decl): Likewise.Use GGC_NEW.
(convert_nl_goto_reference): Likewise.
(lookup_field_for_decl): Use GGC_NEW.
(create_nesting_tree): Use GGC_CNEW.
* tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
* tree-ssa-alias.c (init_alias_info): Use XCNEW.
(create_alias_map_for): Likewise.
(setup_pointers_and_addressables): Use XCNEWVEC.
(get_ptr_info): Use GGC_NEW.
(used_part_map_eq): Use explicit cast to convert from void *.
(up_lookup): Likewise.
(up_insert): Use XNEW.
(get_or_create_used_part_for): Use XCNEW.
(get_tmt_for): Likewise.
* tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
* tree-ssa-pre.c (phi_trans_add): Use XNEW.
(bitmap_set_new): Use explicit cast to convert from void *.
(set_new): Likewise.
(insert_into_set): Likewise.
(pool_copy_list): Likewise.
(phi_translate): Likewise.
(create_value_expr_from): Likewise.
(insert_aux): Use XCNEWVEC.
(compute_avail): Use XNEWVEC.
* tree-ssa-live.c (calculate_live_on_entry): Likewise.
(sort_coalesce_list): Likewise.
(build_tree_conflict_graph): Use XCNEWVEC.
* tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
* tree-ssa-copy.c (init_copy_prop): Likewise.
(fini_copy_prop): Likewise.
* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
* XNEW
and XCNEWVEC.
(record_equiv): Use XNEW.
(uncprop_into_successor_phis): Use explicit cast to convert
* from
void *.
(uncprop_initialize_block): Likewise.
From-SVN: r108747
|
|
immediately after DOM with phi-only copy...
* passes.c (init_optimization_passes): Replace copy propagation
passes immediately after DOM with phi-only copy propagation
pases. Add phi-only copy propagation pass after first DOM pass.
* tree-pass.h (pass_phi_only_copy_prop): Declare.
* tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
(execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
to init_copy_prop. Callers updated.
(do_phi_only_copy_prop): New function.
(pass_phi_only_copy_prop): New pass descriptor.
From-SVN: r104705
|
|
* tree-flow.h (merge_alias_info): Declare.
* tree-ssa-copy.c (merge_alias_info): Export.
* tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
(vect_create_data_ref_ptr): Use create_iv directly.
(vectorizable_load): Use correct types for integer constants.
(vect_generate_tmps_on_preheader): Likewise.
(vect_gen_niters_for_prolog_loop): Likewise.
From-SVN: r104418
|
|
* builtins.c: Fix comment typo(s).
* genautomata.c: Likewise.
* gimplify.c: Likewise.
* tree-dfa.c: Likewise.
* tree-flow-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-copy.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-tailcall.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
From-SVN: r102491
|
|
* Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
* tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
* tree-dfa.c (dump_subvars_for): New.
(debug_subvars_for): New.
(dump_variable): Show subvariables if VAR has them.
* tree-flow-inline.h (get_subvar_at): New.
(overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
* tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
Update all users.
(struct subvar): Change fields offset and size to unsigned
HOST_WIDE_INT.
(dump_subvars_for): Declare.
(debug_subvars_for): Declare.
(get_subvar_at): Declare.
(okay_component_ref_for_subvars): Change 2nd and 3rd argument
to unsigned HOST_WIDE_INT *.
(overlap_subvar): Likewise.
* tree-gimple.c (is_gimple_reg): Always return false for
SFTs and memory tags.
* tree-pass.h (pass_build_pta, pass_del_pta): Remove.
Update all callers.
* tree-ssa-alias.c: Include tree-ssa-structalias.h.
(compute_may_aliases): Call compute_points_to_sets.
(collect_points_to_info_for): Remove.
(compute_points_to_and_addr_escape): Remove.
(delete_alias_info): Call delete_points_to_sets.
(compute_flow_sensitive_aliasing): If the call to
find_what_p_points_to returns false, call set_pt_anything.
(add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
(set_pt_anything): Clear pi->pt_vars.
(set_pt_malloc): Remove.
(merge_pointed_to_info): Remove.
(add_pointed_to_expr): Remove.
(add_pointed_to_var): Remove.
(collect_points_to_info_r): Remove.
(is_escape_site): Make extern.
(create_sft): New.
(create_overlap_variables_for): Call it.
* tree-ssa-copy.c (merge_alias_info): Never merge
flow-sensitive alias information.
* tree-ssa-operands.c (get_expr_operands): Adjust variables
offset and size to be unsigned HOST_WIDE_INT.
(add_to_addressable_set): Rename from note_addressable.
Set TREE_ADDRESSABLE as the variables are added to the set.
Update all users.
(add_stmt_operand): Do not try to micro-optimize unmodifiable
operands into VUSEs when adding V_MAY_DEFs for members in an
alias set.
* tree-ssa-operands.h (add_to_addressable_set): Declare.
* tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
(struct variable_info): Add bitfield is_heap_var.
(var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
(new_var_info): Initialize is_heap_var.
(get_constraint_for): Add HEAP variables to the symbol table.
Mark them with is_heap_var.
(update_alias_info): New. Taken mostly from the old
compute_points_to_and_addr_escape.
(handle_ptr_arith): New.
(find_func_aliases): Call update_alias_info.
Call handle_ptr_info for tcc_binary expressions.
Call mark_stmt_modified.
(create_variable_info_for): If DECL has subvars, do not create
variables for its subvars. Always add all the fields.
(set_uids_in_ptset): If the solution includes ANYOFFSET and
SFTs, then add all the SFTs of the structure.
If VI->DECL is an aggregate with subvariables, add the SFT at
VI->OFFSET.
(find_what_p_points_to): If VI is an artificial variable,
translate to bitfields in SSA_NAME_PTR_INFO.
If the solution is empty, set pi->pt_vars to NULL
(init_base_vars): Create ANYOFFSET.
(compute_points_to_sets): Rename from create_alias_vars.
Make extern.
(pass_build_pta): Remove.
(delete_points_to_sets): Rename from delete_alias_vars.
(pass_del_pta): Remove.
* tree-ssa-structalias.h (struct alias_info): Move from
tree-ssa-alias.h.
(NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
NUM_REFERENCES_SET): Likewise.
(compute_points_to_sets, delete_points_to_sets): Declare.
testsuite/ChangeLog
* gcc.dg/tree-ssa/pta-fp.c: Use -fdump-tree-alias1.
From-SVN: r101841
|
|
PR 22234
* tree-ssa-copy.c (fini_copy_prop): Do not overwrite copy_of
when following copy-of chains.
testsuite/ChangeLog
PR 22234
* gcc.dg/20050629-1.c: New test.
From-SVN: r101450
|
|
From-SVN: r101317
|
|
PR tree-optimization/21849
* tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
From-SVN: r100531
|
|
2005-06-01 Diego Novillo <dnovillo@redhat.com>
PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
* fold-const.c (invert_tree_comparison): Make extern.
* tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
(struct value_range_def): Limewise.
(get_value_range): Remove.
(dump_value_range): Remove.
(dump_all_value_ranges): Remove.
(debug_all_value_ranges): Remove.
(vrp_evaluate_conditional): Declare.
* tree-ssa-propagate.c (struct prop_stats_d): Add field
num_pred_folded.
(substitute_and_fold): Add argument use_ranges_p.
Update all callers.
If use_ranges_p is true, call fold_predicate_in to fold
predicates using range information.
Ignore ASSERT_EXPRs.
Change debugging output to only show statements that have been
folded.
(replace_phi_args_in): Move debugging output code from
substitute and fold.
(fold_predicate_in): New local function.
* tree-ssa-propagate.h (enum value_range_type): Move from
tree-flow.h.
(struct value_range_d): Likewise.
Add field 'equiv'.
(value_range_t): Rename from value_range.
* tree-vrp.c (found_in_subgraph): Rename from found.
(get_opposite_operand): Remove.
(struct assert_locus_d): Declare.
(assert_locus_t): Declare.
(need_assert_for): Declare.
(asserts_for): Declare.
(blocks_visited): Declare.
(vr_value): Declare.
(set_value_range): Add argument 'equiv'.
Don't drop to VARYING ranges that cover all values in the
type.
Make deep copy of equivalence set 'equiv'.
(copy_value_range): New local function.
(set_value_range_to_undefined): New local function.
(compare_values): Return -2 if either value has overflowed.
(range_includes_zero_p): New local function.
(extract_range_from_assert): Flip the predicate code if the
name being asserted is on the RHS of the predicate.
Avoid creating unnecessary symbolic ranges if the comparison
includes another name with a known numeric range.
Update the equivalnce set of the new range when asserting
EQ_EXPR predicates.
(extract_range_from_ssa_name): Update the equivalence set of
the new range with VAR.
(extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
If -fwrapv is used, set the resulting range to VARYING if the
operation overflows. Otherwise, use TYPE_MIN_VALUE and
TYPE_MAX_VALUE to represent -INF and +INF.
Fix handling of *_DIV_EXPR.
(extract_range_from_unary_expr): Handle MINUS_EXPR and
ABS_EXPR properly by switching the range around if necessary.
(extract_range_from_comparison): New local function.
(extract_range_from_expr): Call it.
(adjust_range_with_scev): Do not adjust the range if using
wrapping arithmetic (-fwrapv).
(dump_value_range): Also show equivalence set.
Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
(build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
(infer_value_range): Change return value to bool.
Add arguments 'comp_code_p' and 'val_p'.
Do not attempt to infer ranges from statements that may throw.
Store the comparison code in comp_code_p.
Store the other operand to be used in the predicate in val_p.
(dump_asserts_for): New.
(debug_asserts_for): New.
(dump_all_asserts): New.
(debug_all_asserts): New.
(register_new_assert_for): New.
(register_edge_assert_for): New.
(find_conditional_asserts): New.
(find_assert_locations): New.
(process_assert_insertions_for): New.
(process_assert_insertions): New.
(insert_range_assertions): Initialize found_in_subgraph,
blocks_visited, need_assert_for and asserts_for.
Call find_assert_locations and process_assert_insertions.
(remove_range_assertions): Add more documentation.
(vrp_initialize): Change return type to void.
Do not try to guess if running VRP is worth it.
(compare_name_with_value): New.
(compare_names): New.
(vrp_evaluate_conditional): Add argument 'use_equiv_p'. If
use_equiv_p is true, call compare_names and
compare_name_with_value to compare all the ranges for every
name in the equivalence set of the predicate operands.
Update all callers.
(vrp_meet): Try harder not to derive a VARYING range.
If two values meet, the resulting equivalence set is the
intersection of the two equivalence sets.
(vrp_visit_phi_node): Call copy_value_range to get the current
range information of the LHS.
(vrp_finalize): Create a value vector representing all the
names that ended up with exactly one value in their range.
Call substitute_and_fold.
(execute_vrp): Document equivalence sets in ranges.
* tree.h (SSA_NAME_VALUE_RANGE): Remove.
(struct tree_ssa_name): Remove field value_range.
(invert_tree_comparison): Declare.
testsuite/ChangeLog
2005-06-01 Diego Novillo <dnovillo@redhat.com>
PR 14341, PR 21332, PR 20701, PR 21086, PR 21090
PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
* gcc.dg/tree-ssa/pr14341.c: New test.
* gcc.dg/tree-ssa/pr14841.c: New test.
* gcc.dg/tree-ssa/pr20701.c: New test.
* gcc.dg/tree-ssa/pr21086.c: New test.
* gcc.dg/tree-ssa/pr21090.c: New test.
* gcc.dg/tree-ssa/pr21332.c: New test.
* gcc.dg/tree-ssa/pr21458.c: New test.
* gcc.dg/tree-ssa/pr21658.c: New test.
* gcc.dg/tree-ssa/vrp01.c: New test.
* gcc.dg/tree-ssa/vrp02.c: New test.
* gcc.dg/tree-ssa/vrp03.c: New test.
* gcc.dg/tree-ssa/vrp04.c: New test.
* gcc.dg/tree-ssa/vrp05.c: New test.
* gcc.dg/tree-ssa/vrp06.c: New test.
* gcc.dg/tree-ssa/vrp07.c: New test.
* gcc.dg/tree-ssa/vrp08.c: New test.
* gcc.dg/tree-ssa/vrp09.c: New test.
* gcc.dg/tree-ssa/vrp10.c: New test.
* gcc.dg/tree-ssa/vrp11.c: New test.
* gcc.dg/tree-ssa/vrp12.c: New test.
* gcc.dg/tree-ssa/vrp13.c: New test.
2005-06-01 Alexandre Oliva <aoliva@redhat.com>
PR 21029
* gcc.dg/tree-ssa/pr21029.c: New test.
From-SVN: r100478
|
|
* basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
errors.h and include toplev.h if necessary.
* rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
errors.h otherwise include toplev.h.
* Makefile.in: Update dependencies.
ada:
* misc.c: Don't include errors.h.
fortran:
* fortran/trans-decl.c: Don't include errors.h.
* fortran/Make-lang.in: Updates dependencies.
java:
* java/verify-glue.c: Don't include errors.h and include toplev.h.
* java/Make-lang.in: Updates dependencies.
treelang:
* treelang/lex.l, treelang/parse.y: Don't include errors.h and
include toplev.h.
* treelang/Make-lang.in: Updates dependencies.
From-SVN: r100420
|
|
*.c.t24.copyprop or *.c.t38.copyprop2)
2005-05-31 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/21732
* tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
SSA_NAME twice and cause the loop to become finite. Remove the test
for val.
From-SVN: r100396
|
|
COND_EXPR_COND in a nondestructive manner.
* tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
folding a COND_EXPR_COND in a nondestructive manner.
From-SVN: r99782
|
|
2005-05-03 Andrew MacLeod <amacleod@redhat.com>
* lambda-code.c (gcc_loop_to_lambda_loop,
lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
generic operand interface.
* tree-data-ref.c (find_data_references_in_loop): Use generic interface.
* tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
generic operand interface.
* tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
num_imm_uses): Use ssa_use_operand_t.
(get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
get_v_must_def_ops): Delete.
(get_def_from_ptr, get_phi_result_ptr): Get def directly now.
(get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
get_v_must_def_kill_ptr): Delete.
(delink_stmt_imm_use): Move and use new operand interface.
(op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
op_iter_next_tree): Use new operand implementation.
(clear_and_done_ssa_iter): New. Initialize a blank operand iterator.
(op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
type check.
(op_iter_next_mustdef, op_iter_next_maydef,
op_iter_next_must_and_may_def): Delete. Replace with...
(op_iter_next_maymustdef): New. Combine must and may next operations.
(op_iter_init_maydef, op_iter_init_mustdef,
op_iter_init_must_and_may_def): Use new interface.
(single_ssa_tree_operand ): New. Process single operands only as trees.
(single_ssa_use_operand): New. Process single operands only as uses.
(single_ssa_def_operand): New. Process single operands only as defs.
(zero_ssa_operands): New. Return TRUE if there are zero operands of the
specified types.
(num_ssa_operands): New. Count the number of specified operands.
(compare_ssa_operands_equal): New. Compare two statements' operands.
(single_phi_def): New. Return true if PHI has one def of the specified
operand type.
(op_iter_init_phiuse): New. Initialize the iterator for PHI arguments.
(op_iter_init_phidef): New. Initialize the iterator for the PHI def.
* tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
(struct stmt_ann_d): Operands field no longer require GTY().
(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
* tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
dump_replaceable_exprs, rewrite_trees): Use generic interface.
* tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
Use use_operand_p instead of ssa_imm_use_t *.
* tree-pretty-print.c (dump_vops): check if operands are active before
dumping virtual operands.
* tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
* tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
(ccp_fold): Use new interface.
(ccp_visit_stmt): Remove unused variables and code.
(convert_to_gimple_builtin): Insert statements before calling
mark_new_vars_to_rename.
* tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
(copy_prop_visit_cond_stmt): Use generic interface.
* tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
annotation in table.
(thread_across_edge): Use generic interface.
(initialize_hash_element): Initialzie with stmt, not annotation.
(eliminate_redundant_computations): Use generic interface.
(record_equivalences_from_stmt): Pass stmt, not annotation.
(avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
interface.
* tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
* tree-ssa-loop-ivopts.c (find_invariants_stmt,
find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
generic operand interface.
* tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
interface.
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
Interface.
* tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type.
(build_defs, build_uses, build_v_may_defs, build_vuses,
build_v_must_defs): Change type to struct opbuild_list_d.
(ops_active): New. Operands active boolean.
(operand_memory, operand_memory_index): New. Operand memory managers.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Delete.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Change from functions to static variable list heads.
(opbuild_initialize_virtual): New. Initialize a virtual build list.
(opbuild_initialize_real): New. Initialize a virtual build list.
(opbuild_free): New. Free a build list.
(opbuild_num_elems): New. Number of items in a list.
(opbuild_append_real): New. Add a real (tree *) operand.
(opbuild_append_virtual): New. Add and sort a virtual (tree) operand.
(opbuild_first): New. Return first element index in a list.
(opbuild_next): New. Return next element in a list.
(opbuild_elem_real): New. Return real element.
(opbuild_elem_virtual): New. Return virtual element.
(opbuild_elem_uid): New. Return UID of virtual element.
(opbuild_clear): New. Reset an operand list.
(opbuild_remove_elem): New. Remove an element form a list.
(ssa_operands_active): New. Return true if operand cache is active.
(init_ssa_operands, fini_ssa_operands): Initialize new implementation.
(ssa_operand_alloc): New. Allocate memory from an operand chunk.
(correct_use_link): Use use_operand_p.
(finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
(cleanup_v_may_defs): Use new implmentation.
(finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
implementation.
(append_def, append_use, append_v_may_def, append_vuse,
append_v_must_def): Call opbuild_append routine instead of using varray.
(build_ssa_operands): Simplify to simply use stmt, don't maintain a
global parse_old_ops variable.
(free_ssa_operands): New implementation.
(update_stmt_operands): Move. Change argument to build_ssa_operands.
(copy_virtual_operands): Move. New generic implementation.
(create_ssa_artficial_load_stmt): Move. New implementation.
(swap_tree_operands): Update for new implementation.
(get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
(add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
rather than a varray.
(verify_imm_links): Use use_operand_p.
(dump_immediate_uses_for): If the immediate use variable is a virtual
variable, show the virtual ops in the stmt.
* tree-ssa-operands.h (def_operand_p): No longer a structure.
(NULL_DEF_OPERAND_P): Now a #define.
(def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
(def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
mustdef_optype_d): New. Use Linked list representation.
(SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk.
(struct ssa_operand_memory_d): New. Allocated Chunk node.
(struct stmt_operands_d): Change to new pointers that are not GTY.
(STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
SET_V_MUST_DEF_KILL): Delete.
(V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
(V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
(enum ssa_op_iter_type): Operand iterator typechecking values.
(struct ssa_operand_iterator_d): Use linked lists of operands.
(SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
(FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
(FOR_EACH_PHI_ARG): New. Iterate over PHI arguments.
(FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses.
(FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs.
(SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
* tree-ssa-opfinalize.h: New. Function templates for expansion.
(FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
alloc_vuse, and alloc_mustdef.
(FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
and finalize_ssa_v_must_def_ops.
* tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
(create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
stmt around.
(compute_avail): Use generic iterator interface.
* tree-ssa-propagate.c (first_vdef): Use generic operand interface.
(stmt_makes_single_load, stmt_makes_single_store): Use
ZERO_SSA_OPERANDS.
* tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
(statement_sink_location): Use generic interface.
* tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface.
(delete_tree_ssa): Don't call release_defs. Call release_ssa_name and
reset the immediate use link nodes.
(stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
* tree-ssanames.c (make_ssa_name): Use use_operand_p.
* tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
(eliminate_tail_call): Use generic operand interface.
* tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
(vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
interface.
* tree-vect-transform.c (update_vuses_to_preheader): Use generic
interface.
* tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
* tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
vuse_optype.
(vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
Use statement pointer instead of vuse_optype. Use generic interface.
* tree-vrp.c (maybe_add_assert_expr): Use generic interface.
(stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
* tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
(tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
* doc/tree-ssa.texi: Update documentation for operand interface.
From-SVN: r99155
|
|
* tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
COMPARISON_CLASS_P.
* tree-ssa-pre.c (create_value_expr_from): Use
CONSTANT_CLASS_P and REFERENCE_CLASS_P.
* tree-ssa-propagate.c (stmt_makes_single_load,
stmt_makes_single_store): Use REFERENCE_CLASS_P.
* tree-vect-transform.c (vect_is_simple_cond): Use
COMPARISON_CLASS_P.
* tree-vrp.c (extract_range_from_assert,
build_assert_expr_for, fp_predicate, has_assert_expr): Use
COMPARISON_CLASS_P.
From-SVN: r98664
|
|
PR tree-optimization/21096
* tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
From-SVN: r98405
|
|
gcc/
PR tree-optimization/20913
* tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
testsuite/
PR tree-optimization/20913
* gcc.dg/tree-ssa/pr20913.c: New.
From-SVN: r98090
|
|
* dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
config/rs6000/predicates.md: Fix comment typos.
From-SVN: r97904
|
|
exposed symbols.
Merge from tree-cleanup-branch: VRP, store CCP, store
copy-prop, incremental SSA updating of FUD chains and
newly exposed symbols.
* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
(OBJS-common): Add tree-vrp.o.
(tree-vrp.o): New rule.
* basic-block.h (nearest_common_dominator_for_set): Declare.
* common.opt (ftree-store-ccp): New flag.
(ftree-copy-prop): New flag.
(ftree-vrp): New flag.
(ftree-store-copy-prop): New flag.
* dominance.c (nearest_common_dominator_for_set): New.
* domwalk.c (walk_dominator_tree): Only traverse
statements in blocks marked in walk_data->interesting_blocks.
* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
* fold-const.c (fold): Handle ASSERT_EXPR.
* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
Set flag_tree_store_ccp, flag_tree_store_copy_prop and
flag_tree_vrp at -O2.
* timevar.def (TV_TREE_VRP): Define.
(TV_TREE_COPY_PROP): Define.
(TV_TREE_STORE_COPY_PROP): Define.
(TV_TREE_SSA_INCREMENTAL): Define.
(TV_TREE_STORE_CCP): Define.
* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
to kill_redundant_phi_nodes from comment.
(verify_expr): Handle ASSERT_EXPR.
* tree-dfa.c (mark_new_vars_to_rename): Remove second
argument. Update all users.
(mark_call_clobbered_vars_to_rename): Remove. Update all
users.
* tree-flow-inline.h (unmodifiable_var_p): New.
* tree-flow.h (enum value_range_type): Declare.
(struct value_range_def): Declare.
(value_range): Declare.
(remove_all_phi_nodes_for): Remove. Update all users.
(find_phi_node_for): Declare.
(add_type_alias): Declare.
(count_uses_and_derefs): Declare.
(kill_redundant_phi_nodes): Remove.
(rewrite_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(update_ssa, register_new_name_mapping, create_new_def_for,
need_ssa_update_p, name_registered_for_update_p,
release_ssa_name_after_update_ssa, dump_repl_tbl,
debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by, mark_sym_for_renaming,
mark_set_for_renaming, get_current_def, set_current_def,
get_value_range, dump_value_range, debug_value_range,
dump_all_value_ranges, debug_all_value_ranges,
expr_computes_nonzero, loop_depth_of_name,
unmodifiable_var_p): Declare.
* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
ASSERT_EXPR.
* tree-into-ssa.c (block_defs_stack): Update comment.
(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
syms_to_rename, names_to_release, repl_tbl,
need_to_initialize_update_ssa_p, need_to_update_vops_p,
need_to_replace_names_p): New locals.
(NAME_SETS_GROWTH_FACTOR): Define.
(struct repl_map_d): Declare.
(struct mark_def_sites_global_data): Add field
interesting_blocks.
(enum rewrite_mode): Declare.
(REGISTER_DEFS_IN_THIS_STMT): Define.
(compute_global_livein): Use last_basic_block instead of
n_basic_blocks.
(set_def_block): Remove last argument. Update all callers.
(prepare_use_operand_for_rename): Remove. Update all callers.
(prepare_def_operand_for_rename): Remove. Update all callers.
(symbol_marked_for_renaming): New.
(is_old_name): New.
(is_new_name): New.
(repl_map_hash): New.
(repl_map_eq): New.
(repl_map_free): New.
(names_replaced_by): New.
(add_to_repl_tbl): New.
(add_new_name_mapping): New.
(mark_def_sites): Assume that all the operands in the
statement are in normal form.
(find_idf): Assert that the block in the stack is valid.
(get_default_def_for): New.
(insert_phi_nodes_for): Add new argument 'update_p'.
Add documentation.
If update_p is true, add a new mapping between the LHS of
each new PHI and the name that it replaces.
(insert_phi_nodes_1): Only call find_idf if needed.
(get_reaching_def): Call get_default_def_for.
(rewrite_operand): Remove.
(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
and REWRITE_THIS_STMT are false.
Assume that all the operands in the statement are in
normal form.
(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
(rewrite_virtual_phi_arguments): Remove.
(invalidate_name_tags): Remove.
(register_new_update_single, register_new_update_set,
rewrite_update_init_block, replace_use,
rewrite_update_fini_block, rewrite_update_stmt,
rewrite_update_phi_arguments): New.
rewrite_blocks): Remove argument 'fix_virtual_phis'.
Add arguments 'entry', 'what' and 'blocks'.
Initialize the dominator walker according to 'what' and
'blocks'.
Start the dominator walk at 'entry'.
(mark_def_site_blocks): Add argument 'interesting_blocks'.
Use it to configure the dominator walker.
(rewrite_into_ssa): Remove argument 'all'.
Make internal.
(rewrite_all_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(mark_def_interesting, mark_use_interesting,
prepare_phi_args_for_update, prepare_block_for_update,
prepare_def_site_for, prepare_def_sites,
dump_names_replaced_by, debug_names_replaced_by,
dump_repl_tbl, debug_repl_tbl, init_update_ssa,
delete_update_ssa, create_new_def_for,
register_new_name_mapping, mark_sym_for_renaming,
mark_set_for_renaming, need_ssa_update_p,
name_registered_for_update_p, ssa_names_to_replace,
release_ssa_name_after_update_ssa,
insert_updated_phi_nodes_for, update_ssa): New.
* tree-loop-linear.c (linear_transform_loops): Call
update_ssa instead of rewrite_into_ssa.
* tree-optimize.c (vars_to_rename): Remove.
Update all users.
(init_tree_optimization_passes): Replace
pass_redundant_phi with pass_copy_prop.
Add pass_vrp.
Replace pass_ccp with pass_store_ccp.
Add pass_store_copy_prop after pass_store_ccp.
(execute_todo): If the TODO_ flags don't include updating
the SSA form, assert that it does not need to be updated.
Call update_ssa instead of rewrite_into_ssa and
rewrite_def_def_chains.
If TODO_verify_loops is set, call verify_loop_closed_ssa.
(tree_rest_of_compilation):
* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
TODO_cleanup_cfg): Renumber.
(TODO_verify_loops, TODO_update_ssa,
TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
TODO_update_ssa_only_virtuals): Define.
(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
Declare.
* tree-phinodes.c (make_phi_node): Update documentation.
(remove_all_phi_nodes_for): Remove.
(find_phi_node_for): New.
* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
(interpret_rhs_modify_expr): Likewise.
* tree-sra.c (decide_instantiations): Mark all symbols in
SRA_CANDIDATES for renaming.
(mark_all_v_defs_1): Rename from mark_all_v_defs.
(mark_all_v_defs): New function. Update all users to call it
with the whole list of scalarized statements, not just the
first one.
* tree-ssa-alias.c (count_ptr_derefs): Make extern.
(compute_flow_insensitive_aliasing): If the tag is
unmodifiable and the variable isn't or vice-versa, don't
make them alias of each other.
(setup_pointers_and_addressables): If the type tag for
VAR is about to change, mark the old one for renaming.
(add_type_alias): New.
* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
(ccp_lattice_t): Rename from latticevalue.
(value): Remove. Update all users.
(const_val): New local variable.
(do_store_ccp): New local variable.
(dump_lattice_value): Handle UNINITIALIZED.
(debug_lattice_value): New.
(get_default_value): Re-write.
(set_lattice_value): Re-write.
(def_to_varying): Remove. Update all users.
(likely_value): Return VARYING for statements that make
stores when STORE_CCP is false.
Return VARYING for any statement other than MODIFY_EXPR,
COND_EXPR and SWITCH_EXPR.
(ccp_initialize): Re-write.
(replace_uses_in, replace_vuse_in, substitute_and_fold):
Move to tree-ssa-propagate.c.
(ccp_lattice_meet): Handle memory stores when
DO_STORE_CCP is true.
(ccp_visit_phi_node): Likewise.
(ccp_fold): Likewise.
(evaluate_stmt): Likewise.
(visit_assignment): Likewise.
(ccp_visit_stmt): Likewise.
(execute_ssa_ccp): Add argument 'store_ccp'. Copy it
into DO_STORE_CCP.
(do_ssa_ccp): New.
(pass_ccp): Use it.
(do_ssa_store_ccp): New.
(gate_store_ccp): New.
(pass_store_ccp): Declare.
* tree-ssa-copy.c: Include tree-ssa-propagate.h.
(may_propagate_copy): Reformat.
Don't abort if ORIG is a virtual and DEST isn't.
If NEW does not have alias information but DEST does,
copy it.
(copy_of, cached_last_copy_of, do_store_copy_prop, enum
copy_prop_kind, which_copy_prop): Declare.
(stmt_may_generate_copy, get_copy_of_val,
get_last_copy_of, set_copy_of_val, dump_copy_of,
copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
copy_prop_visit_stmt, copy_prop_visit_phi_node,
init_copy_prop, fini_copy_prop, execute_copy_prop,
gate_copy_prop, do_copy_prop, gate_store_copy_prop,
store_copy_prop): New.
(pass_copy_prop, pass_store_copy_prop): Declare.
* tree-ssa-dom.c (struct opt_stats_d): Add fields
'num_const_prop' and 'num_copy_prop'.
(cprop_operand): Update them.
(dump_dominator_optimization_stats): Dump them.
(tree_ssa_dominator_optimize): Call update_ssa instead of
rewrite_into_ssa.
(loop_depth_of_name): Declare extern.
(simplify_cond_and_lookup_avail_expr): Guard against NULL
values for LOW or HIGH.
(cprop_into_successor_phis): Only propagate if NEW != ORIG.
(record_equivalences_from_stmt): Call expr_computes_nonzero.
(cprop_operand): Only propagate if VAL != OP.
* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
statement for renaming.
* tree-ssa-loop-im.c (move_computations): Call update_ssa.
* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
add_type_alias if necessary.
Call mark_new_vars_to_rename.
(tree_ssa_iv_optimize): If new symbols need to be renamed,
mark every statement updated, call update_ssa and
rewrite_into_loop_closed_ssa.
* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
from LIVEIN if VAR is a virtual.
* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
(get_call_expr_operands): Reformat statement.
(add_stmt_operand): Don't create V_MAY_DEFs for read-only
symbols.
* tree-ssa-propagate.c (ssa_prop_init): Initialize
SSA_NAME_VALUE for every name.
(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by): New.
(replace_uses_in, replace_vuses_in, replace_phi_args_in,
substitute_and_fold): Move from tree-ssa-ccp.c.
* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by, replace_uses_in, substitute_and_fold):
Declare.
* tree-ssa.c (verify_use): Fix error message.
(propagate_into_addr, replace_immediate_uses, get_eq_name,
check_phi_redundancy, kill_redundant_phi_nodes,
pass_redundant_phi): Remove. Update all users.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
add_type_alias, if necessary.
* tree-vectorizer.h (struct _stmt_vect_info): Update
documentation for field 'memtag'.
* tree-vrp.c: New file.
* tree.def (ASSERT_EXPR): Define.
* tree.h (ASSERT_EXPR_VAR): Define.
(ASSERT_EXPR_COND): Define.
(SSA_NAME_VALUE_RANGE): Define.
(struct tree_ssa_name): Add field 'value_range'.
(PHI_REWRITTEN): Remove.
(struct tree_phi_node): Remove field 'rewritten'.
* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
-ftree-store-copy-prop): Document.
* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
Document usage of update_ssa.
testsuite/ChangeLog
* g++.dg/tree-ssa/pr18178.C: New test.
* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
* gcc.c-torture/execute/20041019-1.c: New test.
* gcc.dg/tree-ssa/20041008-1.c: New test.
* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
* gcc.dg/tree-ssa/20030917-1.c: Likewise.
* gcc.dg/tree-ssa/20030917-3.c: Likewise.
* gcc.dg/tree-ssa/20040721-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
From-SVN: r97884
|
|
* basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
combine.c, config.gcc, coverage.h, cse.c, cselib.c,
defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
output.h, postreload-gcse.c, postreload.c, recog.c,
resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
From-SVN: r93827
|
|
PR tree-optimization/19121
* tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
adding aliases to a name tag, also add them to the pointer's
type tag.
* tree-ssa-copy.c (merge_alias_info): Do not merge flow
sensitive alias info at all. Only check that the two pointers
have compatible pointed-to sets.
* tree-ssa.c (verify_name_tags): Verify that the alias set of
a pointer's type tag is a superset of the alias set of the
pointer's name tag.
testsuite/ChangeLog:
PR tree-optimization/19121
* gcc.c-torture/compile/pr19121.c: New test.
From-SVN: r93810
|
|
PR tree-optimization/18291
* tree-ssa-copy.c (merge_alias_info): Fix merging of
flow-sensitive alias information. If the new pointer has no
name tag, copy it from the original pointer. Otherwise, make
sure that the pointed-to sets have a common intersection.
testsuite/ChangeLog
PR tree-optimization/18291
* testsuite/gcc.c-torture/compile/pr18291.c: New test.
From-SVN: r91574
|
|
* global.c, tree-ssa-copy.c, tree-ssa-loop-ivopts.c,
value-prof.c: Fix comment typos.
From-SVN: r90638
|
|
make check-performance)
PR tree-optimization/16728
* tree-flow.h (get_ptr_info): Declare.
* tree-ssa-alias.c (get_ptr_info): Make extern.
* tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
alias information.
From-SVN: r89792
|
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register variable)
PR 17739
* tree-gimple.c (is_gimple_reg): Reject hard registers.
(is_gimple_asm_val): New.
* tree-gimple.h (is_gimple_asm_val): Declare.
* gimplify.c (gimplify_asm_expr): Use it.
* tree-pretty-print.c (print_declaration): Dump hard regs.
* tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
* tree-ssa-pre.c (is_undefined_value): Likewise.
* tree-ssa-copy.c (may_propagate_copy): Likewise.
(may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
* tree-ssa.c (warn_uninit): Likewise.
* tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
From-SVN: r88321
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register is bad)
PR 15089
* tree-ssa-copy.c (may_propagate_copy_into_asm): New.
* tree-flow.h (may_propagate_copy_into_asm): Declare.
* tree-ssa-ccp.c (replace_uses_in): Use it.
* tree-ssa-dom.c (cprop_operand): Likewise.
From-SVN: r88269
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at tree-ssa-copy.c:182)
2004-09-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/17558
* tree-ssa-copy.c (may_propagate_copy): Only allow if the
aliasing sets are the same rather than just conflicting.
From-SVN: r87772
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2004-09-14 Andrew Pinski <apinski@apple.com>
* g++.dg/tree-ssa/pointer-reference-alias.C: New test.
2004-09-14 Andrew Pinski <apinski@apple.com>
* tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
sets of the pointers but the aliasing sets of what they point to.
From-SVN: r87527
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|
internal_error instead of abort.
* targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
Use gcc_assert, gcc_unreachable & internal_error instead of abort.
* timevar.c (timevar_push, timevar_pop, timevar_start,
timevar_stop): Likewise.
* toplev.c (default_pch_valid_p): Likewise.
* tracer.c (tail_duplicate): Likewise.
* tree-alias-common.c (get_alias_var_decl,
get_values_from_constructor, create_alias_var, delete_alias_vars,
empty_points_to_set, same_points_to_set, ptr_may_alias_var):
Likewise.
* tree.c (tree_size, make_node_stat, copy_node_stat,
build_int_cst_wide, integer_all_onesp, list_length, chainon,
tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
build_method_type_directly, decl_type_context, get_callee_fndecl,
get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
tree_fold_gcd): Likewise.
* tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
make_cond_expr_edges, group_case_labels, tree_merge_blocks,
cleanup_control_expr_graph, find_taken_edge,
find_taken_edge_switch_expr, phi_alternatives_equal,
is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
tree_split_edge, tree_verify_flow_info, thread_jumps,
tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
chrec_fold_multiply_poly_poly): Likewise.
* tree-complex.c (extract_component, expand_complex_division,
expand_complex_comparison, expand_complex_operations_1,
build_replicated_const, expand_vector_operations_1): Likewise.
* tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
build_classic_dir_vector): Likewise.
* tree-dfa.c (compute_immediate_uses_for_phi,
compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
* tree-dump.c (dequeue_and_dump): Likewise.
* tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
record_in_finally_tree, replace_goto_queue_1,
maybe_record_in_goto_queue, verify_norecord_switch_expr,
do_return_redirection): Likewise.
* tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
add_to_dst_predicate_list, find_phi_replacement_condition,
replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
Likewise.
* tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
initialize_inlined_parameters, declare_return_variable,
estimate_num_insns_1, expand_call_inline, expand_calls_inline,
optimize_inline_calls, copy_tree_r): Likewise.
* tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
* tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
tsi_split_statement_list_after, tsi_split_statement_list_before):
Likewise.
* tree-mudflap.c (mf_varname_tree): Likewise.
* tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
lookup_tramp_for_decl, convert_all_function_calls): Likewise.
* tree-optimize.c (tree_rest_of_compilation): Likewise.
* tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
Likewise.
* tree-phinodes.c (resize_phi_node, add_phi_arg,
remove_all_phi_nodes_for): Likewise.
* tree-pretty-print.c (op_prio, print_call_name): Likewise.
* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
* tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
generate_one_element_ref, generate_element_copy,
generate_element_zero, scalarize_copy, scalarize_init,
scalarize_ldst): Likewise.
* tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
add_may_alias, add_pointed_to_expr, add_pointed_to_var,
collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
* tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
* tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
widen_bitfield, ccp_fold_builtin): Likewise.
* tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
replace_exp_1, propagate_tree_value): Likewise.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
* tree-ssa-dce.c (set_control_dependence_map_bit,
find_control_dependence, find_pdom, mark_operand_necessary,
mark_stmt_if_obviously_necessary,
mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
* tree-ssa-dom.c (dom_opt_initialize_block_local_data,
simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
eliminate_redundant_computations, avail_expr_eq): Likewise.
* tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
duplicate_blocks): Likewise.
* tree-ssa-loop-im.c (for_each_index, set_level,
is_call_clobbered_ref): Likewise.
* tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
peel_address, ptr_difference_cost, may_replace_final_value,
determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
rewrite_use, rewrite_uses): Likewise.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
check_loop_closed_ssa_use): Likewise.
* tree-ssanames.c (make_ssa_name): Likewise.
* tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
get_stmt_operands, get_expr_operands, get_asm_expr_operands,
get_indirect_ref_operands, add_stmt_operand): Likewise.
* tree-ssa-pre.c (value_exists_in_set_bitmap,
value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
phi_translate, valid_in_set, compute_antic,
find_or_generate_expression, create_expression_by_pieces, insert_aux,
create_value_expr_from, eliminate): Likewise.
* tree-ssa-propagate.c (cfg_blocks_get): Likewise.
* tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
Likewise.
* tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
eliminate_tail_call): Likewise.
* tree-vectorizer.c (vect_create_index_for_array_ref,
vect_align_data_ref, vect_create_data_ref,
vect_create_destination_var, vect_get_vec_def_for_operand,
vect_finish_stmt_generation, vect_transform_stmt,
vect_transform_loop_bound, vect_transform_loop,
vect_analyze_operations): Likewise.
* tree-vn.c (vn_compute, set_value_handle, get_value_handle):
Likewise.
* tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
bsi_after_labels, bsi_last): Likewise.
* tree-ssa-live.c (var_union, change_partition_var,
create_ssa_var_map, calculate_live_on_entry, root_var_init,
type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
Likewise.
* tree-ssa-live.h (partition_is_global, live_entry_blocks,
tpa_find_tree): Likewise.
(register_ssa_partition_check): Declare.
(register_ssa_partition): use it.
* tree-ssa-live.c: Include errors.h.
(register_ssa_partition_check): New.
* tree-ssa-operands.c: Include errors.h.
* Makefile.in (tree-ssa-operands.o): Depend on errors.h.
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
From-SVN: r87223
|
|
2004-08-19 Eric Christopher <echristo@redhat.com>
* langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
* langhooks.h (unsave_expr_now): Ditto.
* tree.h (unsave_expr_1): Remove prototype.
(lhd_unsave_expr_now): Rename to unsave_expr_now.
* tree-inline.c (unsave_expr_1): Move here
from tree.c. Make static.
(unsave_expr_now): Rename from lhd_unsave_expr_now.
* tree-sra.c: Fix up for rename.
* tree-ssa-copy.c: Ditto.
* tree-eh.c: Ditto.
* tree.c (unsave_expr_1): Move to tree-inline.c.
2004-08-19 Eric Christopher <echristo@redhat.com>
* cp-tree.h (cxx_unsave_expr_now): Delete prototype.
* tree.c (cxx_unsave_expr_now): Delete.
(cp_unsave_r): Ditto.
From-SVN: r86277
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|
nor PT_MALLOC set.
* tree-ssa-alias.c (create_name_tags): Ignore pointers that
don't have PT_VARS nor PT_MALLOC set.
Clear name tag from pointers that have not been dereferenced.
(set_pt_anything, set_pt_malloc): Forward declare.
* tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
not type compatibility when determining if a pointer can be
copy propagated.
testsuite/ChangeLog
* gcc.c-torture/compile/20040727-1.c: New test.
From-SVN: r85220
|
|
PR tree-optimization/16688
PR tree-optimization/16689
* tree-ssa-alias.c (setup_pointers_and_addressables): Remove
unnecessary initialization of 'tag'.
(get_tmt_for): Check that the new type tag has the same alias
set as the pointed-to type.
(group_aliases): Only regular variables need to be removed
from the alias set of a name tag.
* tree-ssa-copy.c (may_propagate_copy): Do not allow copy
propagation if the two types are not compatible.
(merge_alias_info): Rename from replace_ssa_names_ann.
Add more checking.
(replace_exp_1): If both arguments are SSA_NAMEs, check that
the propagation can be done.
Only call merge_alias_info on pointers.
(propagate_value): Likewise.
* tree-ssa-copyrename.c: Include langhooks.h.
(copy_rename_partition_coalesce): Call replace_ssa_name_symbol
to do the merging.
Do not coalesce variables with incompatible types.
(rename_ssa_copies): Call replace_ssa_name_symbol.
* tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
the same type as the underlying _DECL.
* tree-ssanames.c (replace_ssa_name_symbol): New function.
* tree.h (replace_ssa_name_symbol): Declare.
From-SVN: r85108
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* tree-flow-inline.h (may_propagate_copy): Move...
* tree-ssa-copy.c (may_propagate_copy): ... here. Fail if we
attempt to copy between types requiring conversion.
* tree-flow.h (may_propagate_copy): Update decl.
* tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
From-SVN: r84225
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* ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
typos.
From-SVN: r84008
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* common.opt (ftree-fre): New flag.
* flags.h (flag_tree_fre): Declare.
* opts.c (decode_options): Set.
* timevar.def (TV_TREE_FRE): Define.
* tree-flow-inline.h (may_propagate_copy): Re-arrange for
readability. Handle destinations that are not SSA_NAMEs.
* tree-flow.h (struct ptr_info_def): Move from tree.h
(cprop_into_stmt, cprop_into_successor_phis): Remove.
(vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Add
vuse_optype parameter.
* tree-pass.h (pass_fre): Declare.
* tree-ssa-copy.c (cprop_operand): Move to tree-ssa-dom.c
(cprop_into_stmt): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-dom.c (eliminate_redundant_computations): Fix
argument ordering in call to may_propagate_copy.
* tree-ssa-pre.c (is_undefined_value): Assume hard registers
to be always defined.
(add_to_sets): New local function.
(create_value_expr_from): New local function.
(compute_avail): Call them.
(eliminate): Don't ignore statements with virtual operands.
(init_pre): New local function.
(fini_pre): New local function.
(execute_pre): Call them.
Add argument DO_FRE. Don't do insertion if DO_FRE is true.
(do_pre): New function.
(do_fre): New function.
(gate_fre): New function.
(pass_fre): Declare.
* tree-ssa.c (init_tree_ssa): Don't call vn_init.
(delete_tree_ssa): Don't call vn_delete.
* tree-vn.c (val_expr_pair_d): Add documentation.
(vn_compute): Add VUSES argument to incorporate in computing
hash values. Update all callers.
(expressions_equal_p): Call operand_equal_p with
OEP_PURE_SAME.
(vn_add): Add VUSES argument. Update all callers.
(vn_lookup): Likewise.
(vn_lookup_or_add): Likewise.
* doc/invoke.texi: Document -ftree-fre and -fdump-tree-fre.
From-SVN: r83837
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2004-06-16 Andrew MacLeod <amacleod@redhat.com>
* tree-cfg.c (tree_make_forwarder_block): Use SET_PHI_RESULT.
* tree-flow-inline.h (get_use_op_ptr): Return a use_operand_p.
(get_use_from_ptr, get_def_from_ptr): New. Return operand pointers.
(get_def_op_ptr): Return a def_operand_p instead of a 'tree *'.
(get_v_may_def_result_ptr): Return a def_operand_p.
(get_v_may_def_op_ptr, get_vuse_op_ptr): Return a use_operand_p.
(get_v_must_def_op_ptr): Return a def_operand_p.
(get_phi_result_ptr): New. Return a pointer to the result of a PHI.
(get_phi_arg_def_ptr): New. Return a pointer to an argument of a PHI.
(phi_element_for_edge): Remove.
* tree-flow.h (propagate_value, replace_exp): Change prototype.
(propagate_tree_value): Add new prototype.
(phi_element_for_edge): Remove prototype.
* tree-into-ssa.c (mark_def_sites): Use new operand types.
(prepare_operand_for_rename): Split into two functions.
(prepare_use_operand_for_rename): Prepare use operands.
(prepare_def_operand_for_rename): Prepare def operands.
(rewrite_stmt): Use new operand types.
(rewrite_operand): Use new operand types, change parameter type.
* tree-outof-ssa.c (replace_variable): Split into two functions.
(replace_use_variable): Rewrite uses.
(replace_def_variable): Rewrite defs.
(rewrite_trees, rewrite_vars_out_of_ssa): Use new operand types.
* tree-phinodes.c (make_phi_node, resize_phi_node): Use new types.
(add_phi_arg, remove_phi_arg_num): Use new operand types.
* tree-ssa-ccp.c (substitute_and_fold): Use new operand types.
(ccp_fold, replace_uses_in): Use new operand types.
* tree-ssa-copy.c (replace_ssa_names): Rename to replace_ssa_names_ann
and no longer set the value, change parameter type.
(replace_exp_1): Use new operand types.
(propagate_value): Change parameter type, use new operand types.
(propagate_tree_value): Propagate_value without SSA operands.
(replace_exp, cprop_operand, cprop_into_stmt): Use new operand types.
(cprop_into_successor_phis): Use new operand types.
* tree-ssa-dom.c (thread_across_edge): Use new operand types.
(eliminate_redundant_computations): Use new operand types.
* tree-ssa-dse.c (fix_phi_uses): Use new operand_types.
(fix_stmt_v_may_defs): Use new operand_types.
* tree-ssa-live.c (create_ssa_var_map): Use new operand_types.
(build_tree_conflict_graph): Use new operand_types.
* tree-ssa-loop.c (duplicate_blocks): Use PHI_ARG_DEF_FROM_EDGE.
* tree-ssa-operands.c (struct freelist_d): Remove.
(check_optype_freelist, add_optype_freelist): Remove.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Call ggc_alloc.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Call ggc_free instead of add_optype_freelist.
(init_ssa_operands, fini_ssa_operands): Remove free list code.
(finalize_ssa_defs, finalize_ssa_uses): Set new use/def operands.
* tree-ssa-operands.h (struct def_optype_d): Change underlying type.
(struct use_optype_d): Change underlying type.
(def_operand_p, use_operand_p): New types for pointers to operands.
(USE_OP, DEF_OP, V_MAY_DEF_RESULT, V_MAY_DEF_OP, VUSE_OP,
V_MUST_DEF_OP): Use new pointer type instead of dereferencing directly.
(USE_FROM_PTR, DEF_FROM_PTR): New macros to "dereference" operand
pointer types.
(SET_USE, SET_DEF): New macros to set operands from their pointer.
(SET_USE_OP, SET_DEF_OP, SET_V_MAY_DEF_RESULT, SET_V_MAY_DEF_OP,
SET_VUSE_OP, SET_V_MUST_DEF_OP): New SET routines for operands.
(PHI_RESULT_PTR, PHI_RESULT, SET_PHI_RESULT): Macros to manage the
PHI result as an operand.
(PHI_ARG_DEF_PTR, PHI_ARG_DEF, SET_PHI_ARG_DEF, PHI_ARG_DEF_FROM_EDGE,
PHI_ARG_DEF_PTR_FROM_EDGE): Macros to manage the PHI arguments.
* tree-ssa-pre.c (eliminate): Call propagate_tree_value.
* tree-tailcall.c (independent_of_stmt_p, propagate_through_phis): Use
PHI_ARG_DEF_FROM_EDGE.
* tree.h (PHI_RESULT): Renamed to PHI_RESULT_TREE.
(PHI_ARG_DEF): Renamed to PHI_ARG_DEF_TREE.
From-SVN: r83298
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* tree.h (PHI_CHAIN): New.
* (tree-cfg.c, tree-dfa.c, tree-flow-inline.h, tree-into-ssa.c,
tree-outof-ssa.c, tree-phinodes.c, tree-pretty-print.c,
tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-dse.c,
tree-ssa-live.c, tree-ssa-loop.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa.c, tree-tailcall.c): Use PHI_CHAIN instead of TREE_CHAIN
when traversing a list of PHI_NODEs.
From-SVN: r83273
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From-SVN: r83177
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and V_MUST_DEF.
* doc/tree-ssa.texi: Remove references to VDEF and add descriptions
of V_MAY_DEF and V_MUST_DEF.
* tree-dfa.c (dfa_stats_d): Add num_v_must_defs and rename
num_vdefs to num_v_may_defs.
(compute_immediate_uses_for_stmt): Rename occurences of vdef
to v_may_def.
(redirect_immediate_uses): Ditto.
(dump_dfa_stats): Ditto. Also added code to dump num_v_must_defs.
(collect_dfa_stats_r): Rename occurences of vdef to v_may_def.
Also add code to sum up the number of v_must_defs.
(vdefs_disappeared_p): Replace with...
(v_may_defs_disappeared_p): This.
(v_must_defs_disappeared_p): New function.
(mark_new_vars_to_rename): Rename occurences of vdef to v_may_def.
Also add code to mark new variables found in V_MUST_DEFs for
renameing.
* tree-flow.h (stmt_ann_d): Add v_must_def_ops and replace
vdef_ops to v_may_def_ops.
(get_vdef_ops): Replace with...
(get_v_may_def_ops): This.
* tree-flow-inline.h (get_vdef_ops): Replace with...
(get_v_may_def_ops): This.
(get_v_must_def_ops): New function.
(get_vdef_result_ptr): Replace with...
(get_v_may_def_result_ptr): This.
(get_vdef_op_ptr): Ditto with...
(get_v_may_def_op_ptr); This.
(get_v_must_def_op_ptr): New function.
* tree-into-ssa.c (mark_def_sites): Rename occurences of vdef
to v_may_def. Also add code to mark statements with
V_MUST_DEFs as definition sites.
(rewrite_stmt): Rename occurences of vdef to v_may_def. Also
add code to register new V_MUST_DEFs made by the statement.
* tree-outof-ssa.c (VIRTUAL_PARTITION): Update comments.
(check_replaceable): Rename occurences of vdef to v_may_def. Also
add check for V_MUST_DEFs.
(find_replaceable_in_bb): Ditto.
* tree-pretty-print.c (dump_vops): Rename occurences of vdef
to v_may_def. Also add code to dump V_MUST_DEFs.
* tree-sra.c (mark_all_vdefs): Replace with...
(mark_all_v_may_defs): This.
(mark_all_v_must_defs): New function.
(create_scalar_copies): Replace call to mark_all_vdefs with
calls to mark_all_v_may_defs and mark_all_v_must_defs.
(scalarize_structures): Rename occurences of vdef to v_may_def.
Also add a check for V_MUST_DEFs.
(scalarize_modify_expr): Rename occurences of vdef to v_may_def.
* tree-ssa-alias.c (global_var): Update comment.
(compute_may_aliases): Ditto.
(compute_points_to_and_addr_escape): Rename occurences of vdef
to v_may_def. Also add code to mark variables in V_MUST_DEF
operands as being written to.
(group_aliases): Update comment.
(maybe_create_global_var): Ditto.
* tree-ssa.c (verify_ssa): Rename occurences of vdef to v_may_def.
Also add a check for V_MUST_DEFs on GIMPLE registers.
(replace_immediate_uses): Rename occurences of vdef to v_may_def.
* tree-ssa-ccp.c (visit_stmt): Rename occurences of vdef
to v_may_def. Also add code to mark all V_MUST_DEF operands
VARYING.
(initialize): Ditto.
(set_rhs): Rename occurences of vdef to v_may_def. Also add
code to update SSA_NAMEs in V_MUST_DEFs.
* tree-ssa-copy.c (cprop_into_stmt): Rename occurences of vdef
to v_may_def.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Rename
occurences of vdef to v_may_def. Also add code to mark statements
with V_MUST_DEFs as necessary.
(propagate_necessity): Rename occurences of vdef to v_may_def.
* tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Rename
occurences of vdef to v_may_def. Also add code to mark operands
in V_MUST_DEFs for renaming.
(eliminate_redundant_computations): Rename occurences of vdef
to v_may_def.
(record_equivalences_from_stmt): Rename occurences of vdef
to v_may_def. Also add code to record VUSEs for V_MUST_DEFs.
(optimize_stmt): Remove unnesessary variable vdefs. Update
comment.
(register_definitions_for_stmt): Rename occurences of vdef
to v_may_def. Also add code to register definitions made with
V_MUST_DEFs.
* tree-ssa-dse.c (fix_stmt_vdefs): Replace with...
(fix_stmt_v_may_defs): This.
(fix_phi_uses): Rename occurences of vdef to v_may_def.
(dse_optimize_stmt): Ditto.
* tree-ssa-live.c (create_ssa_var_map): Rename occurences of vdef
to v_may_def. Also add code to mark V_MUST_DEF operands as being
used in virtual operators.
* tree-ssa-loop.c (mark_defs_for_rewrite): Rename occurences of
vdef to v_may_def. Also add code to mark V_MUST_DEF operands for
renaming.
* tree-ssa-operands.c (opf_kill_def): New flag for killing
definitions.
(build_vdefs): Renamed to...
(build_v_may_defs): This.
(build_v_must_defs): New variable.
(voperands_d): Add v_must_def_ops and replace vdef_ops with
v_may_def_ops.
(append_vdef): Replace with...
(append_v_may_def): This.
(append_v_must_def): New function.
(NUM_FREE): Increment for V_MUST_DEF
(optype_freelist): Increment its size for V_MUST_DEF
(allocate_vdef_optype): Replace with...
(allocate_v_may_def_optype): This.
(allocate_v_must_def_optype): New function.
(free_vdefs): Replace with...
(free_v_may_defs): This.
(free_v_must_defs): New function.
(remove_vdefs): Replace with...
(remove_v_may_defs): This.
(remove_v_must_defs): New function.
(init_ssa_operands): Rename occurences of vdef to v_may_def. Also
add code to initialize build_v_must_defs.
(finalize_ssa_vdefs): Replace with...
(finalize_ssa_v_may_defs): This.
(finalize_ssa_vuses): Rename occurences of vdef to v_may_def.
(finalize_ssa_v_must_defs): New function.
(finalize_ssa_stmt_operands): Replace call to finalize_ssa_vdefs
with calls to finalize_ssa_v_may_defs and finalize_ssa_v_must_defs.
(verify_start_operands): Rename occurences of vdef to v_may_def.
Also add check for build_v_must_defs.
(get_stmt_operands): Rename occurences of vdef to v_may_def.
Also add code to handle V_MUST_DEFs and to use opf_kill_def for
killing definitions.
(get_expr_operands): Update comment and use opf_kill_def for
killing definitions.
(add_stmt_operand): Replace code that appends VDEFs with code
that appends V_MUST_DEFs when opf_kill_def is set and V_MAY_DEFs
otherwise.
(add_call_clobber_ops): Update comments.
* tree-ssa-operands.h (vdef_optype_d): Replace with...
(v_may_def_optype_d): This.
(v_must_def_optype_d): New structure.
(VDEF_OPS): Replace with...
(V_MAY_DEF_OPS): This.
(STMT_VDEF_OPS): Same with...
(STMT_V_MAY_DEF_OPS): This.
(NUM_VDEFS): And...
(NUM_V_MAY_DEFS): This.
(VDEF_RESULT_PTR): As well as...
(V_MAY_DEF_RESULT_PTR): This.
(VDEF_RESULT): Same goes for...
(V_MAY_DEF_RESULT): This.
(VDEF_OP_PTR): And...
(V_MAY_DEF_OP_PTR): This.
(VDEF_OP): And...
(V_MAY_DEF_OP): This.
(V_MUST_DEF_OPS): New macro.
(STMT_V_MUST_DEF_OPS): Ditto.
(NUM_V_MUST_DEFS): Ditto.
(V_MUST_DEF_OP_PTR): Ditto.
(V_MUST_DEF_OP): Ditto.
(remove_vdefs): Replace signature with...
(remove_v_may_defs): This.
(remove_v_must_defs): New function signature.
* tree-ssa-pre.c (subst_phis): Replace call to remove_vdefs
with calls to remove_v_may_defs and remove_v_must_defs.
(process_left_occs_and_kills): Rename occurences of vdef to v_may_def.
Also add code that marks left occurences of operands in V_MUST_DEFs.
* tree-tailcall.c (find_tail_calls): Rename occurences of vdef
to v_may_def. Also add check for V_MUST_DEFs.
(eliminate_tail_call):Rename occurences of vdef to v_may_def.
testsuite:
* gcc.dg/tree-ssa/20031015-1.c: Scan for
V_MAY_DEF instead of VDEF.
* gcc.dg/tree-ssa/20040517-1.c: Ditto.
From-SVN: r82947
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2004-06-09 Andrew Pinski <pinskia@physics.uc.edu>
* tree-complex.c (expand_complex_comparison): Use fold_convert instead
of convert.
* tree-inline.c (setup_one_parameter): Likewise.
* tree-sra.c (csc_build_component_ref): Likewise.
* tree-ssa-ccp.c (ccp_fold): Likewise.
* tree-ssa-copy.c (cprop_operand): Likewise.
* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
From-SVN: r82837
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From-SVN: r81969
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