79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/* IPA reference lists.
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Copyright (C) 2010
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Free Software Foundation, Inc.
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Contributed by Jan Hubicka
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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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struct cgraph_node;
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struct varpool_node;
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union symtab_node_def;
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typedef union symtab_node_def *symtab_node;
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typedef const union symtab_node_def *const_symtab_node;
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/* How the reference is done. */
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enum GTY(()) ipa_ref_use
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{
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IPA_REF_LOAD,
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IPA_REF_STORE,
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IPA_REF_ADDR,
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IPA_REF_ALIAS
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};
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/* Record of reference in callgraph or varpool. */
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struct GTY(()) ipa_ref
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{
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symtab_node referring;
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symtab_node referred;
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gimple stmt;
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unsigned int referred_index;
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ENUM_BITFIELD (ipa_ref_use) use:2;
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};
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typedef struct ipa_ref ipa_ref_t;
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typedef struct ipa_ref *ipa_ref_ptr;
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DEF_VEC_O(ipa_ref_t);
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DEF_VEC_ALLOC_O(ipa_ref_t,gc);
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DEF_VEC_P(ipa_ref_ptr);
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DEF_VEC_ALLOC_P(ipa_ref_ptr,heap);
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/* List of references. This is stored in both callgraph and varpool nodes. */
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struct GTY(()) ipa_ref_list
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{
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/* Store actual references in references vector. */
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VEC(ipa_ref_t,gc) *references;
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/* Referring is vector of pointers to references. It must not live in GGC space
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or GGC will try to mark middle of references vectors. */
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VEC(ipa_ref_ptr,heap) * GTY((skip)) referring;
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};
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struct ipa_ref * ipa_record_reference (symtab_node,
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symtab_node,
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enum ipa_ref_use, gimple);
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void ipa_remove_reference (struct ipa_ref *);
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void ipa_remove_all_references (struct ipa_ref_list *);
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void ipa_remove_all_referring (struct ipa_ref_list *);
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void ipa_dump_references (FILE *, struct ipa_ref_list *);
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void ipa_dump_referring (FILE *, struct ipa_ref_list *);
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void ipa_clone_references (symtab_node, struct ipa_ref_list *);
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void ipa_clone_referring (symtab_node, struct ipa_ref_list *);
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bool ipa_ref_cannot_lead_to_return (struct ipa_ref *);
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bool ipa_ref_has_aliases_p (struct ipa_ref_list *);
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