--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/ValuePhiNode.java	2017-11-03 23:57:07.410385218 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/ValuePhiNode.java	2017-11-03 23:57:07.082370539 -0700
@@ -22,6 +22,8 @@
  */
 package org.graalvm.compiler.nodes;
 
+import java.util.Map;
+
 import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.core.common.type.StampFactory;
 import org.graalvm.compiler.graph.NodeClass;
@@ -35,7 +37,7 @@
 /**
  * Value {@link PhiNode}s merge data flow values at control flow merges.
  */
-@NodeInfo(nameTemplate = "Phi({i#values})")
+@NodeInfo(nameTemplate = "Phi({i#values}, {p#valueDescription})")
 public class ValuePhiNode extends PhiNode implements ArrayLengthProvider {
 
     public static final NodeClass<ValuePhiNode> TYPE = NodeClass.create(ValuePhiNode.class);
@@ -113,4 +115,16 @@
         }
         return super.verify();
     }
+
+    @Override
+    protected String valueDescription() {
+        return stamp().unrestricted().toString();
+    }
+
+    @Override
+    public Map<Object, Object> getDebugProperties(Map<Object, Object> map) {
+        Map<Object, Object> properties = super.getDebugProperties(map);
+        properties.put("valueDescription", valueDescription());
+        return properties;
+    }
 }