DeoptimizeCallerNode.java revision 13017:134219a5b0ec 
1/*
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.hotspot.nodes;
24
25import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
26import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;
27
28import org.graalvm.compiler.core.common.type.StampFactory;
29import org.graalvm.compiler.graph.NodeClass;
30import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
31import org.graalvm.compiler.nodeinfo.NodeInfo;
32import org.graalvm.compiler.nodes.ControlSinkNode;
33import org.graalvm.compiler.nodes.spi.LIRLowerable;
34import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
35
36import jdk.vm.ci.meta.DeoptimizationAction;
37import jdk.vm.ci.meta.DeoptimizationReason;
38
39/**
40 * Removes the current frame and tail calls the uncommon trap routine.
41 */
42@NodeInfo(shortName = "DeoptCaller", nameTemplate = "DeoptCaller {p#reason/s}", cycles = CYCLES_8, size = SIZE_8)
43public final class DeoptimizeCallerNode extends ControlSinkNode implements LIRLowerable {
44
45    public static final NodeClass<DeoptimizeCallerNode> TYPE = NodeClass.create(DeoptimizeCallerNode.class);
46    protected final DeoptimizationAction action;
47    protected final DeoptimizationReason reason;
48
49    public DeoptimizeCallerNode(DeoptimizationAction action, DeoptimizationReason reason) {
50        super(TYPE, StampFactory.forVoid());
51        this.action = action;
52        this.reason = reason;
53    }
54
55    @Override
56    public void generate(NodeLIRBuilderTool gen) {
57        ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitDeoptimizeCaller(action, reason);
58    }
59
60    @NodeIntrinsic
61    public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason);
62}
63