# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1358958067 -3600
# Node ID 1563a48b798d049898633e8de3676262a0dcb6b4
# Parent  f057113c7a87dd3131416d1712e7b105cc0d0165
don't tail duplicate allocations

diff -r f057113c7a87 -r 1563a48b798d graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/TailDuplicationPhase.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/TailDuplicationPhase.java	Wed Jan 23 16:46:20 2013 +0100
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/TailDuplicationPhase.java	Wed Jan 23 17:21:07 2013 +0100
@@ -31,6 +31,7 @@
 import com.oracle.graal.nodes.VirtualState.NodeClosure;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.nodes.java.*;
+import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.nodes.type.*;
 import com.oracle.graal.nodes.util.*;
 import com.oracle.graal.phases.*;
@@ -94,6 +95,9 @@
             int opportunities = 0;
             while (current instanceof FixedWithNextNode) {
                 current = ((FixedWithNextNode) current).next();
+                if (current instanceof VirtualizableAllocation) {
+                    return false;
+                }
                 for (PhiNode phi : improvements) {
                     for (Node input : current.inputs()) {
                         if (input == phi) {