d119f34c95
2020-09-19 David Cepelik <d@dcepelik.cz> Jan Hubicka <hubicka@ucw.cz> * Makefile.in: Add ipa-modref.c and ipa-modref-tree.c. * alias.c: (reference_alias_ptr_type_1): Export. * alias.h (reference_alias_ptr_type_1): Declare. * common.opt (fipa-modref): New. * gengtype.c (open_base_files): Add ipa-modref-tree.h and ipa-modref.h * ipa-modref-tree.c: New file. * ipa-modref-tree.h: New file. * ipa-modref.c: New file. * ipa-modref.h: New file. * lto-section-in.c (lto_section_name): Add ipa_modref. * lto-streamer.h (enum lto_section_type): Add LTO_section_ipa_modref. * opts.c (default_options_table): Enable ipa-modref at -O1+. * params.opt (-param=modref-max-bases, -param=modref-max-refs, -param=modref-max-tests): New params. * passes.def: Schedule pass_modref and pass_ipa_modref. * timevar.def (TV_IPA_MODREF): New timevar. (TV_TREE_MODREF): New timevar. * tree-pass.h (make_pass_modref): Declare. (make_pass_ipa_modref): Declare. * tree-ssa-alias.c (dump_alias_stats): Include ipa-modref-tree.h and ipa-modref.h (alias_stats): Add modref_use_may_alias, modref_use_no_alias, modref_clobber_may_alias, modref_clobber_no_alias, modref_tests. (dump_alias_stats): Dump new stats. (nonoverlapping_array_refs_p): Fix formating. (modref_may_conflict): New function. (ref_maybe_used_by_call_p_1): Use it. (call_may_clobber_ref_p_1): Use it. (call_may_clobber_ref_p): Update. (stmt_may_clobber_ref_p_1): Update. * tree-ssa-alias.h (call_may_clobber_ref_p_1): Update.
51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/* Exported functions from alias.c
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Copyright (C) 2004-2020 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_ALIAS_H
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#define GCC_ALIAS_H
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extern alias_set_type new_alias_set (void);
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extern alias_set_type get_alias_set (tree);
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extern alias_set_type get_deref_alias_set (tree);
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extern alias_set_type get_varargs_alias_set (void);
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extern alias_set_type get_frame_alias_set (void);
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extern tree component_uses_parent_alias_set_from (const_tree);
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extern bool ends_tbaa_access_path_p (const_tree);
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extern bool alias_set_subset_of (alias_set_type, alias_set_type);
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extern void record_alias_subset (alias_set_type, alias_set_type);
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extern void record_component_aliases (tree);
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extern int alias_sets_conflict_p (alias_set_type, alias_set_type);
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extern int alias_sets_must_conflict_p (alias_set_type, alias_set_type);
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extern int objects_must_conflict_p (tree, tree);
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extern int nonoverlapping_memrefs_p (const_rtx, const_rtx, bool);
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extern void dump_alias_stats_in_alias_c (FILE *s);
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tree reference_alias_ptr_type (tree);
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tree reference_alias_ptr_type_1 (tree *);
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bool alias_ptr_types_compatible_p (tree, tree);
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int compare_base_decls (tree, tree);
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bool refs_same_for_tbaa_p (tree, tree);
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/* This alias set can be used to force a memory to conflict with all
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other memories, creating a barrier across which no memory reference
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can move. Note that there are other legacy ways to create such
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memory barriers, including an address of SCRATCH. */
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#define ALIAS_SET_MEMORY_BARRIER ((alias_set_type) -1)
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#endif /* GCC_ALIAS_H */
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