blob: 6ca9ba08f30df773bf6e3d2e12db7da135b2bd8c [file] [log] [blame]
/* IPA reference lists.
Copyright (C) 2010
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 refering. */
static inline struct cgraph_node *
ipa_ref_node (struct ipa_ref *ref)
{
gcc_assert (ref->refered_type == IPA_REF_CGRAPH);
return ref->refered.cgraph_node;
}
/* Return varpool node REF is refering. */
static inline struct varpool_node *
ipa_ref_varpool_node (struct ipa_ref *ref)
{
gcc_assert (ref->refered_type == IPA_REF_VARPOOL);
return ref->refered.varpool_node;
}
/* Return cgraph node REF is in. */
static inline struct cgraph_node *
ipa_ref_refering_node (struct ipa_ref *ref)
{
gcc_assert (ref->refering_type == IPA_REF_CGRAPH);
return ref->refering.cgraph_node;
}
/* Return varpool node REF is in. */
static inline struct varpool_node *
ipa_ref_refering_varpool_node (struct ipa_ref *ref)
{
gcc_assert (ref->refering_type == IPA_REF_VARPOOL);
return ref->refering.varpool_node;
}
/* Return reference list REF is in. */
static inline struct ipa_ref_list *
ipa_ref_refering_ref_list (struct ipa_ref *ref)
{
if (ref->refering_type == IPA_REF_CGRAPH)
return &ipa_ref_refering_node (ref)->ref_list;
else
return &ipa_ref_refering_varpool_node (ref)->ref_list;
}
/* Return reference list REF is in. */
static inline struct ipa_ref_list *
ipa_ref_refered_ref_list (struct ipa_ref *ref)
{
if (ref->refered_type == IPA_REF_CGRAPH)
return &ipa_ref_node (ref)->ref_list;
else
return &ipa_ref_varpool_node (ref)->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_length (ipa_ref_t, list->references))
return NULL;
return VEC_index (ipa_ref_t, list->references, 0);
}
/* Return first refering ref in LIST or NULL if empty. */
static inline struct ipa_ref *
ipa_ref_list_first_refering (struct ipa_ref_list *list)
{
if (!VEC_length (ipa_ref_ptr, list->refering))
return NULL;
return VEC_index (ipa_ref_ptr, list->refering, 0);
}
/* Clear reference list. */
static inline void
ipa_empty_ref_list (struct ipa_ref_list *list)
{
list->refering = NULL;
list->references = NULL;
}
/* Clear reference list. */
static inline unsigned int
ipa_ref_list_nreferences (struct ipa_ref_list *list)
{
return VEC_length (ipa_ref_t, list->references);
}
#define ipa_ref_list_reference_iterate(L,I,P) \
VEC_iterate(ipa_ref_t, (L)->references, (I), (P))
#define ipa_ref_list_refering_iterate(L,I,P) \
VEC_iterate(ipa_ref_ptr, (L)->refering, (I), (P))