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Diffstat (limited to 'gcc/ipa-ref.h')
-rw-r--r-- | gcc/ipa-ref.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/gcc/ipa-ref.h b/gcc/ipa-ref.h deleted file mode 100644 index fc1e95f997..0000000000 --- a/gcc/ipa-ref.h +++ /dev/null @@ -1,138 +0,0 @@ -/* IPA reference lists. - Copyright (C) 2010-2017 Free Software Foundation, Inc. - Contributed by Jan Hubicka - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING3. If not see -<http://www.gnu.org/licenses/>. */ - -#ifndef GCC_IPA_REF_H -#define GCC_IPA_REF_H - -struct cgraph_node; -class varpool_node; -class symtab_node; - - -/* How the reference is done. */ -enum GTY(()) ipa_ref_use -{ - IPA_REF_LOAD, - IPA_REF_STORE, - IPA_REF_ADDR, - IPA_REF_ALIAS, - IPA_REF_CHKP -}; - -/* Record of reference in callgraph or varpool. */ -struct GTY(()) ipa_ref -{ -public: - /* Remove reference. */ - void remove_reference (); - - /* Return true when execution of reference can lead to return from - function. */ - bool cannot_lead_to_return (); - - /* Return true if refernece may be used in address compare. */ - bool address_matters_p (); - - /* Return reference list this reference is in. */ - struct ipa_ref_list * referring_ref_list (void); - - /* Return reference list this reference is in. */ - struct ipa_ref_list * referred_ref_list (void); - - symtab_node *referring; - symtab_node *referred; - gimple *stmt; - unsigned int lto_stmt_uid; - unsigned int referred_index; - ENUM_BITFIELD (ipa_ref_use) use:3; - unsigned int speculative:1; -}; - -typedef struct ipa_ref ipa_ref_t; -typedef struct ipa_ref *ipa_ref_ptr; - - -/* List of references. This is stored in both callgraph and varpool nodes. */ -struct GTY(()) ipa_ref_list -{ -public: - /* Return first reference in list or NULL if empty. */ - struct ipa_ref *first_reference (void) - { - if (!vec_safe_length (references)) - return NULL; - return &(*references)[0]; - } - - /* Return first referring ref in list or NULL if empty. */ - struct ipa_ref *first_referring (void) - { - if (!referring.length ()) - return NULL; - return referring[0]; - } - - /* Return first referring alias. */ - struct ipa_ref *first_alias (void) - { - struct ipa_ref *r = first_referring (); - - return r && r->use == IPA_REF_ALIAS ? r : NULL; - } - - /* Return last referring alias. */ - struct ipa_ref *last_alias (void) - { - unsigned int i = 0; - - for(i = 0; i < referring.length (); i++) - if (referring[i]->use != IPA_REF_ALIAS) - break; - - return i == 0 ? NULL : referring[i - 1]; - } - - /* Return true if the symbol has an alias. */ - bool inline has_aliases_p (void) - { - return first_alias (); - } - - /* Clear reference list. */ - void clear (void) - { - referring.create (0); - references = NULL; - } - - /* Return number of references. */ - unsigned int nreferences (void) - { - return vec_safe_length (references); - } - - /* Store actual references in references vector. */ - vec<ipa_ref_t, va_gc> *references; - /* Referring is vector of pointers to references. It must not live in GGC space - or GGC will try to mark middle of references vectors. */ - vec<ipa_ref_ptr> GTY((skip)) referring; -}; - -#endif /* GCC_IPA_REF_H */ |