Mercurial > hg > graal-compiler
view graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/LockEliminationPhase.java @ 16720:ad19df13df14
mx: add support for Java agent libraries that use the Boot-Class-Path manifest attribute to ensure that are loaded by the boot class path loader
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 07 Aug 2014 17:32:17 +0200 |
parents | 2eb56f87b01e |
children | 61d3cb8e1280 |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.phases.common; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.util.*; import com.oracle.graal.phases.*; public class LockEliminationPhase extends Phase { @Override protected void run(StructuredGraph graph) { for (MonitorExitNode node : graph.getNodes(MonitorExitNode.class)) { FixedNode next = node.next(); if (next instanceof MonitorEnterNode) { MonitorEnterNode monitorEnterNode = (MonitorEnterNode) next; if (monitorEnterNode.object() == node.object()) { GraphUtil.removeFixedWithUnusedInputs(monitorEnterNode); GraphUtil.removeFixedWithUnusedInputs(node); } } } } }