Mercurial > hg > graal-compiler

changeset 9135:c5fa76a20868

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Remove unused field.
author Roland Schatz <roland.schatz@oracle.com>
date Tue, 16 Apr 2013 13:21:22 +0200
parents da92cfd1ceaf
children 2cfdde003076
files graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ReadEliminationPhase.java
diffstat 1 files changed, 3 insertions(+), 9 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ReadEliminationPhase.java	Tue Apr 16 13:21:20 2013 +0200
+++ b/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/ReadEliminationPhase.java	Tue Apr 16 13:21:22 2013 +0200
@@ -22,8 +22,6 @@
  */
 package com.oracle.graal.phases.common;
 
-import java.util.*;
-
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
@@ -32,11 +30,8 @@
 
 public class ReadEliminationPhase extends Phase {
 
-    private Queue<PhiNode> newPhis;
-
     @Override
     protected void run(StructuredGraph graph) {
-        newPhis = new LinkedList<>();
         for (FloatingReadNode n : graph.getNodes(FloatingReadNode.class)) {
             if (isReadEliminable(n)) {
                 NodeMap<ValueNode> nodeMap = n.graph().createNodeMap();
@@ -47,11 +42,11 @@
         }
     }
 
-    private boolean isReadEliminable(FloatingReadNode n) {
+    private static boolean isReadEliminable(FloatingReadNode n) {
         return isWrites(n, n.lastLocationAccess(), n.graph().createNodeBitMap());
     }
 
-    private boolean isWrites(FloatingReadNode n, Node lastLocationAccess, NodeBitMap visited) {
+    private static boolean isWrites(FloatingReadNode n, Node lastLocationAccess, NodeBitMap visited) {
         if (lastLocationAccess == null) {
             return false;
         }
@@ -77,7 +72,7 @@
         return false;
     }
 
-    private ValueNode getValue(FloatingReadNode n, Node lastLocationAccess, NodeMap<ValueNode> nodeMap) {
+    private static ValueNode getValue(FloatingReadNode n, Node lastLocationAccess, NodeMap<ValueNode> nodeMap) {
         ValueNode exisiting = nodeMap.get(lastLocationAccess);
         if (exisiting != null) {
             return exisiting;
@@ -97,7 +92,6 @@
             for (ValueNode value : phi.values()) {
                 newPhi.addInput(getValue(n, value, nodeMap));
             }
-            newPhis.add(newPhi);
             return newPhi;
         }
         throw GraalInternalError.shouldNotReachHere();