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annotate graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LockEliminationPhase.java @ 20019:fa9d90e73569

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check whether a StateSplit node being added via GraphBuilderContext has a null stateAfter before setting one
author Doug Simon <doug.simon@oracle.com>
date Tue, 24 Mar 2015 11:56:10 +0100
parents 61d3cb8e1280
children 1ab2c7bb6f0f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
741ceb12ff7d Implement basic lock elimination phase.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
741ceb12ff7d Implement basic lock elimination phase.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
741ceb12ff7d Implement basic lock elimination phase.
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16 * 2 along with this work; if not, write to the Free Software Foundation,
741ceb12ff7d Implement basic lock elimination phase.
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
741ceb12ff7d Implement basic lock elimination phase.
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.phases.common;
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24
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25 import com.oracle.graal.nodes.*;
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26 import com.oracle.graal.nodes.java.*;
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27 import com.oracle.graal.nodes.util.*;
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28 import com.oracle.graal.phases.*;
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29
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30 public class LockEliminationPhase extends Phase {
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31
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32 @Override
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33 protected void run(StructuredGraph graph) {
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61d3cb8e1280 Add generic parameter to NodeClass. Change Graph#getNodes(Class) to Graph#getNodes(NodeClass).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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34 for (MonitorExitNode node : graph.getNodes(MonitorExitNode.TYPE)) {
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35 FixedNode next = node.next();
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36 if (next instanceof MonitorEnterNode) {
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37 MonitorEnterNode monitorEnterNode = (MonitorEnterNode) next;
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38 if (monitorEnterNode.object() == node.object()) {
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2eb56f87b01e add GraphUtil.removeFixedWithUnusedInputs
Lukas Stadler <lukas.stadler@jku.at>
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39 GraphUtil.removeFixedWithUnusedInputs(monitorEnterNode);
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40 GraphUtil.removeFixedWithUnusedInputs(node);
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41 }
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42 }
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43 }
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44 }
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45 }