--- a/graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java	Fri May 27 18:44:13 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/lir/LIRBlock.java	Fri May 27 19:57:56 2011 +0200
@@ -277,4 +277,25 @@
     public FrameState lastState() {
         return lastState;
     }
+
+    private Node first;
+    private Node last;
+
+    public Node firstInstruction() {
+        return first;
+    }
+
+
+    public Node lastInstruction() {
+        return last;
+    }
+
+    public void setFirstInstruction(Node n) {
+        first = n;
+    }
+
+
+    public void setLastInstruction(Node n) {
+        last = n;
+    }
 }