--- a/graal/GraalGraph/src/com/oracle/graal/graph/NodeArray.java	Tue May 24 21:39:45 2011 +0200
+++ b/graal/GraalGraph/src/com/oracle/graal/graph/NodeArray.java	Wed May 25 11:04:59 2011 +0200
@@ -127,6 +127,17 @@
         return false;
     }
 
+    public int replace(Node toReplace, Node replacement) {
+        int result = 0;
+        for (int i = 0; i < nodes.length; i++) {
+            if (nodes[i] == toReplace) {
+                set(i, replacement);
+                result++;
+            }
+        }
+        return result;
+    }
+
     public int size() {
         return nodes.length;
     }