blob: e12fce6e4bc768847d5e35c3913e9e6c5f333d73 [file] [log] [blame]
/* IPA reference lists.
Copyright (C) 2010-2014 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/>. */
/* Return callgraph node REF is referring. */
static inline struct cgraph_node *
ipa_ref_node (struct ipa_ref *ref)
{
return cgraph (ref->referred);
}
/* Return varpool node REF is referring. */
static inline varpool_node *
ipa_ref_varpool_node (struct ipa_ref *ref)
{
return varpool (ref->referred);
}
/* Return cgraph node REF is in. */
static inline struct cgraph_node *
ipa_ref_referring_node (struct ipa_ref *ref)
{
return cgraph (ref->referring);
}
/* Return varpool node REF is in. */
static inline varpool_node *
ipa_ref_referring_varpool_node (struct ipa_ref *ref)
{
return varpool (ref->referring);
}
/* Return reference list REF is in. */
static inline struct ipa_ref_list *
ipa_ref_referring_ref_list (struct ipa_ref *ref)
{
return &ref->referring->ref_list;
}
/* Return reference list REF is in. */
static inline struct ipa_ref_list *
ipa_ref_referred_ref_list (struct ipa_ref *ref)
{
return &ref->referred->ref_list;
}
/* Return first reference in LIST or NULL if empty. */
static inline struct ipa_ref *
ipa_ref_list_first_reference (struct ipa_ref_list *list)
{
if (!vec_safe_length (list->references))
return NULL;
return &(*list->references)[0];
}
/* Return first referring ref in LIST or NULL if empty. */
static inline struct ipa_ref *
ipa_ref_list_first_referring (struct ipa_ref_list *list)
{
if (!list->referring.length ())
return NULL;
return list->referring[0];
}
/* Clear reference list. */
static inline void
ipa_empty_ref_list (struct ipa_ref_list *list)
{
list->referring.create (0);
list->references = NULL;
}
/* Clear reference list. */
static inline unsigned int
ipa_ref_list_nreferences (struct ipa_ref_list *list)
{
return vec_safe_length (list->references);
}
#define ipa_ref_list_reference_iterate(L,I,P) \
vec_safe_iterate ((L)->references, (I), &(P))
#define ipa_ref_list_referring_iterate(L,I,P) \
(L)->referring.iterate ((I), &(P))