X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Ftree-flow-inline.h;h=e31db442a5d695ab45e6d14477a87d971c8e3b92;hp=d8b57a556af2d62936b6df02da2886a7e13fe2ac;hb=ea2d55dfd3520c0372f13446374216055f084e67;hpb=9824ce489a3bf43350e9d32067ffb9f1d6243a21

diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h
index d8b57a556af..e31db442a5d 100644
--- a/gcc/tree-flow-inline.h
+++ b/gcc/tree-flow-inline.h
@@ -1407,32 +1407,34 @@ unmodifiable_var_p (tree var)
   return TREE_READONLY (var) && (TREE_STATIC (var) || DECL_EXTERNAL (var));
 }
 
-/* Return true if REF, an ARRAY_REF, has an INDIRECT_REF somewhere in
-   it.  */
+/* Return true if REF, an ARRAY_REF, has an INDIRECT_REF somewhere in it.  */
 
 static inline bool
-ref_contains_indirect_ref (tree ref)
+array_ref_contains_indirect_ref (tree ref)
 {
-  while (handled_component_p (ref))
-    {
-      if (TREE_CODE (ref) == INDIRECT_REF)
-	return true;
-      ref = TREE_OPERAND (ref, 0);
-    }
-  return false;
+  gcc_assert (TREE_CODE (ref) == ARRAY_REF);
+
+  do {
+    ref = TREE_OPERAND (ref, 0);
+  } while (handled_component_p (ref));
+
+  return TREE_CODE (ref) == INDIRECT_REF;
 }
 
-/* Return true if REF, a COMPONENT_REF, has an ARRAY_REF somewhere in it.  */
+/* Return true if REF, a handled component reference, has an ARRAY_REF
+   somewhere in it.  */
 
 static inline bool
 ref_contains_array_ref (tree ref)
 {
-  while (handled_component_p (ref))
-    {
-      if (TREE_CODE (ref) == ARRAY_REF)
-	return true;
-      ref = TREE_OPERAND (ref, 0);
-    }
+  gcc_assert (handled_component_p (ref));
+
+  do {
+    if (TREE_CODE (ref) == ARRAY_REF)
+      return true;
+    ref = TREE_OPERAND (ref, 0);
+  } while (handled_component_p (ref));
+
   return false;
 }