# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1404231027 -7200
# Node ID 6055f84e41d74f4b638af5a0d152894600a546aa
# Parent  5a3351bb88a82c1107b2d6028780972a2ff2e4f5
LoopFragmentInside: make sure no dead phi are left after phis have been rewritten

diff -r 5a3351bb88a8 -r 6055f84e41d7 graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java
--- a/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java	Tue Jul 01 18:08:19 2014 +0200
+++ b/graal/com.oracle.graal.loop/src/com/oracle/graal/loop/LoopFragmentInside.java	Tue Jul 01 18:10:27 2014 +0200
@@ -32,6 +32,7 @@
 import com.oracle.graal.graph.iterators.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.VirtualState.NodeClosure;
+import com.oracle.graal.nodes.util.*;
 
 public class LoopFragmentInside extends LoopFragment {
 
@@ -250,6 +251,12 @@
                 }
             }
         }
+
+        for (PhiNode deadPhi : loopBegin.phis().filter(n -> n.usages().isEmpty()).snapshot()) {
+            if (deadPhi.isAlive()) {
+                GraphUtil.killWithUnusedFloatingInputs(deadPhi);
+            }
+        }
     }
 
     /**