2009-07-29 Robert Dewar <dewar@adacore.com>

[pf3gnuchains/gcc-fork.git] / gcc / tree-flow-inline.h

diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h
index 6a1ae4c..e6de377 100644 (file)
--- a/gcc/tree-flow-inline.h
+++ b/gcc/tree-flow-inline.h
@@ -1136,6 +1136,21 @@ ref_contains_array_ref (const_tree ref)
   return false;
 }
 
+/* Return true if REF has an VIEW_CONVERT_EXPR somewhere in it.  */
+
+static inline bool
+contains_view_convert_expr_p (const_tree ref)
+{
+  while (handled_component_p (ref))
+    {
+      if (TREE_CODE (ref) == VIEW_CONVERT_EXPR)
+       return true;
+      ref = TREE_OPERAND (ref, 0);
+    }
+
+  return false;
+}
+
 /* Return true, if the two ranges [POS1, SIZE1] and [POS2, SIZE2]
    overlap.  SIZE1 and/or SIZE2 can be (unsigned)-1 in which case the
    range is open-ended.  Otherwise return false.  */