--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/EndLockScopeNode.java 2017-02-15 16:59:56.589128358 -0800 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2012, 2016, 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 org.graalvm.compiler.hotspot.nodes; + +import static org.graalvm.compiler.nodeinfo.InputType.Memory; +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0; + +import org.graalvm.compiler.core.common.LocationIdentity; +import org.graalvm.compiler.core.common.type.StampFactory; +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.extended.MonitorExit; +import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint; +import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; +import org.graalvm.compiler.nodes.spi.LIRLowerable; +import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; + +/** + * Intrinsic for closing a {@linkplain BeginLockScopeNode scope} binding a stack-based lock with an + * object. + */ +@NodeInfo(allowedUsageTypes = Memory, cycles = CYCLES_0, size = SIZE_0) +public final class EndLockScopeNode extends AbstractMemoryCheckpoint implements LIRLowerable, MonitorExit, MemoryCheckpoint.Single { + public static final NodeClass TYPE = NodeClass.create(EndLockScopeNode.class); + + public EndLockScopeNode() { + super(TYPE, StampFactory.forVoid()); + } + + @Override + public boolean hasSideEffect() { + return false; + } + + @Override + public LocationIdentity getLocationIdentity() { + return LocationIdentity.any(); + } + + @Override + public void generate(NodeLIRBuilderTool gen) { + } + + @NodeIntrinsic + public static native void endLockScope(); +}