# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1428919422 -7200
# Node ID 343021aacd2f9328fed463018121b79d99c797bc
# Parent  ca13a009e38b98ce80faf8127ccbec97c6de6c7c
Use isIllegal to determine whether a stamp is illegal.

diff -r ca13a009e38b -r 343021aacd2f graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/NodeLIRBuilder.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/NodeLIRBuilder.java	Sun Apr 12 22:37:16 2015 -0700
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/NodeLIRBuilder.java	Mon Apr 13 12:03:42 2015 +0200
@@ -304,7 +304,7 @@
     }
 
     protected void emitNode(ValueNode node) {
-        if (Debug.isLogEnabled() && node.stamp() instanceof IllegalStamp) {
+        if (Debug.isLogEnabled() && node.stamp().isIllegal()) {
             Debug.log("This node has invalid type, we are emitting dead code(?): %s", node);
         }
         if (node instanceof LIRLowerable) {
diff -r ca13a009e38b -r 343021aacd2f graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Sun Apr 12 22:37:16 2015 -0700
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/GuardingPiNode.java	Mon Apr 13 12:03:42 2015 +0200
@@ -107,7 +107,7 @@
 
     @Override
     public Node canonical(CanonicalizerTool tool) {
-        if (stamp() == StampFactory.illegal(object.getKind())) {
+        if (stamp().isIllegal()) {
             // The guard always fails
             return new DeoptimizeNode(action, reason);
         }
diff -r ca13a009e38b -r 343021aacd2f graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Sun Apr 12 22:37:16 2015 -0700
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CheckCastNode.java	Mon Apr 13 12:03:42 2015 +0200
@@ -116,7 +116,7 @@
         Stamp newStamp = StampFactory.declaredTrusted(type).improveWith(object().stamp());
         ValueNode condition;
         ValueNode theValue = object;
-        if (newStamp instanceof IllegalStamp) {
+        if (newStamp.isIllegal()) {
             // This is a check cast that will always fail
             condition = LogicConstantNode.contradiction(graph());
             newStamp = StampFactory.declaredTrusted(type);
diff -r ca13a009e38b -r 343021aacd2f graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/InferStamps.java
--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/InferStamps.java	Sun Apr 12 22:37:16 2015 -0700
+++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/InferStamps.java	Mon Apr 13 12:03:42 2015 +0200
@@ -88,7 +88,7 @@
         for (Node n : graph.getNodes()) {
             if (n instanceof ValuePhiNode) {
                 ValueNode node = (ValueNode) n;
-                assert !(node.stamp() instanceof IllegalStamp) : "Stamp is illegal after analysis. This is not necessarily an error, but a condition that we want to investigate (and then maybe relax or remove the assertion).";
+                assert node.stamp().isLegal() : "Stamp is illegal after analysis. This is not necessarily an error, but a condition that we want to investigate (and then maybe relax or remove the assertion).";
             }
         }
         return true;