# HG changeset patch
# User Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
# Date 1425995399 -3600
# Node ID 2e5ed2fe28cb7fdb420ba6098067ade887999953
# Parent  84144a672012e4c585c469f4eeae2eda62b0d813
Make GuardProxyNode ready for the case where its input is null.

diff -r 84144a672012 -r 2e5ed2fe28cb graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardProxyNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardProxyNode.java	Tue Mar 10 13:44:35 2015 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardProxyNode.java	Tue Mar 10 14:49:59 2015 +0100
@@ -32,7 +32,7 @@
 public final class GuardProxyNode extends ProxyNode implements GuardingNode, Proxy, LIRLowerable {
 
     public static final NodeClass<GuardProxyNode> TYPE = NodeClass.create(GuardProxyNode.class);
-    @Input(InputType.Guard) GuardingNode value;
+    @OptionalInput(InputType.Guard) GuardingNode value;
 
     public GuardProxyNode(GuardingNode value, AbstractBeginNode proxyPoint) {
         super(TYPE, StampFactory.forVoid(), proxyPoint);
@@ -50,10 +50,10 @@
 
     @Override
     public ValueNode value() {
-        return value.asNode();
+        return (value == null ? null : value.asNode());
     }
 
     public Node getOriginalNode() {
-        return value.asNode();
+        return (value == null ? null : value.asNode());
     }
 }