--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ipa-ref-inline.h	Mon May 24 12:47:05 2010 +0900
@@ -0,0 +1,119 @@
+/* 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))