--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/SwitchNode.java	Fri Jul 25 13:12:32 2014 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/SwitchNode.java	Fri Aug 01 15:19:26 2014 +0200
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.nodes.extended;
 
+import java.util.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.compiler.common.*;
 import com.oracle.graal.compiler.common.type.*;
@@ -103,6 +105,10 @@
      */
     public abstract Constant keyAt(int i);
 
+    public boolean structureEquals(SwitchNode switchNode) {
+        return Arrays.equals(keySuccessors, switchNode.keySuccessors) && equalKeys(switchNode);
+    }
+
     /**
      * Returns true if the switch has the same keys in the same order as this switch.
      */