# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1390988743 -3600
# Node ID 2eb56f87b01edd8c28ba8c9f5345c7c7d7833423
# Parent  e99fccb039265e1827f06633ee8c7a5f6725f05d
add GraphUtil.removeFixedWithUnusedInputs

diff -r e99fccb03926 -r 2eb56f87b01e graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/OnStackReplacementPhase.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/OnStackReplacementPhase.java	Tue Jan 28 21:37:29 2014 -0500
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/OnStackReplacementPhase.java	Wed Jan 29 10:45:43 2014 +0100
@@ -78,10 +78,7 @@
                 ProxyNode proxy = (ProxyNode) usage;
                 proxy.replaceAndDelete(proxy.value());
             }
-            FixedNode next = osr.next();
-            osr.setNext(null);
-            ((FixedWithNextNode) osr.predecessor()).setNext(next);
-            GraphUtil.killWithUnusedFloatingInputs(osr);
+            GraphUtil.removeFixedWithUnusedInputs(osr);
             Debug.dump(graph, "OnStackReplacement loop peeling result");
         } while (true);
 
diff -r e99fccb03926 -r 2eb56f87b01e graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java	Tue Jan 28 21:37:29 2014 -0500
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/util/GraphUtil.java	Wed Jan 29 10:45:43 2014 +0100
@@ -137,6 +137,13 @@
         }
     }
 
+    public static void removeFixedWithUnusedInputs(FixedWithNextNode fixed) {
+        FixedNode next = fixed.next();
+        fixed.setNext(null);
+        fixed.replaceAtPredecessor(next);
+        killWithUnusedFloatingInputs(fixed);
+    }
+
     public static void checkRedundantPhi(PhiNode phiNode) {
         if (phiNode.isDeleted() || phiNode.valueCount() == 1) {
             return;
diff -r e99fccb03926 -r 2eb56f87b01e graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LockEliminationPhase.java
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LockEliminationPhase.java	Tue Jan 28 21:37:29 2014 -0500
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LockEliminationPhase.java	Wed Jan 29 10:45:43 2014 +0100
@@ -36,19 +36,8 @@
             if (next instanceof MonitorEnterNode) {
                 MonitorEnterNode monitorEnterNode = (MonitorEnterNode) next;
                 if (monitorEnterNode.object() == node.object()) {
-                    FixedNode monitorEnterSuccessor = monitorEnterNode.next();
-                    monitorEnterNode.setNext(null);
-                    ((FixedWithNextNode) node.predecessor()).setNext(monitorEnterSuccessor);
-                    FrameState stateAfterFirst = node.stateAfter();
-                    FrameState stateAfterSecond = monitorEnterNode.stateAfter();
-                    node.safeDelete();
-                    monitorEnterNode.safeDelete();
-                    if (stateAfterFirst.usages().isEmpty()) {
-                        GraphUtil.killWithUnusedFloatingInputs(stateAfterFirst);
-                    }
-                    if (stateAfterSecond.usages().isEmpty()) {
-                        GraphUtil.killWithUnusedFloatingInputs(stateAfterSecond);
-                    }
+                    GraphUtil.removeFixedWithUnusedInputs(monitorEnterNode);
+                    GraphUtil.removeFixedWithUnusedInputs(node);
                 }
             }
         }
diff -r e99fccb03926 -r 2eb56f87b01e graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Tue Jan 28 21:37:29 2014 -0500
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Wed Jan 29 10:45:43 2014 +0100
@@ -569,11 +569,7 @@
                     LoopTransformations.fullUnroll(loop, phaseContext, new CanonicalizerPhase(true));
                     new CanonicalizerPhase(true).applyIncremental(snippetCopy, phaseContext, mark);
                 }
-                FixedNode explodeLoopNext = explodeLoop.next();
-                explodeLoop.clearSuccessors();
-                explodeLoop.replaceAtPredecessor(explodeLoopNext);
-                explodeLoop.replaceAtUsages(null);
-                GraphUtil.killCFG(explodeLoop);
+                GraphUtil.removeFixedWithUnusedInputs(explodeLoop);
                 exploded = true;
             }
         } while (exploded);