# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1382963989 -3600
# Node ID 2925280e3f92d85c06c8330396454ad4b0a77de7
# Parent  bca33c3135de125e9ae64669b065276540c7b361
remove unused CommitAllocationNodes during simplification

diff -r bca33c3135de -r 2925280e3f92 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Mon Oct 28 13:01:16 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/CommitAllocationNode.java	Mon Oct 28 13:39:49 2013 +0100
@@ -119,6 +119,14 @@
             used[index] = true;
             usedCount++;
         }
+        if (usedCount == 0) {
+            List<Node> inputSnapshot = inputs().snapshot();
+            graph().removeFixed(this);
+            for (Node input : inputSnapshot) {
+                tool.removeIfUnused(input);
+            }
+            return;
+        }
         boolean progress;
         do {
             progress = false;