001/*
002 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.hotspot.nodes;
024
025import jdk.internal.jvmci.meta.*;
026
027import com.oracle.graal.compiler.common.type.*;
028import com.oracle.graal.graph.*;
029import com.oracle.graal.nodeinfo.*;
030import com.oracle.graal.nodes.extended.*;
031import com.oracle.graal.nodes.memory.*;
032import com.oracle.graal.nodes.spi.*;
033
034/**
035 * Intrinsic for closing a {@linkplain BeginLockScopeNode scope} binding a stack-based lock with an
036 * object.
037 */
038@NodeInfo(allowedUsageTypes = {InputType.Memory})
039public final class EndLockScopeNode extends AbstractMemoryCheckpoint implements LIRLowerable, MonitorExit, MemoryCheckpoint.Single {
040    public static final NodeClass<EndLockScopeNode> TYPE = NodeClass.create(EndLockScopeNode.class);
041
042    public EndLockScopeNode() {
043        super(TYPE, StampFactory.forVoid());
044    }
045
046    @Override
047    public boolean hasSideEffect() {
048        return false;
049    }
050
051    @Override
052    public LocationIdentity getLocationIdentity() {
053        return LocationIdentity.any();
054    }
055
056    @Override
057    public void generate(NodeLIRBuilderTool gen) {
058    }
059
060    @NodeIntrinsic
061    public static native void endLockScope();
062}