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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java @ 19491:4d66c000d253

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Truffle/Instrumentation: more cleanup in Probe
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Wed, 18 Feb 2015 18:30:49 -0800
parents 61d3cb8e1280
children 8fc336a04d77
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1 /*
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2 * Copyright (c) 2009, 2014, 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
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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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
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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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
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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.nodes;
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24
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.nodeinfo.*;
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28 import com.oracle.graal.nodes.spi.*;
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29
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30 @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}")
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31 public final class DeoptimizeNode extends AbstractDeoptimizeNode implements Lowerable, LIRLowerable {
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32
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33 public static final NodeClass<DeoptimizeNode> TYPE = NodeClass.get(DeoptimizeNode.class);
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34 protected final DeoptimizationAction action;
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35 protected final DeoptimizationReason reason;
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36 protected final int debugId;
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37 protected final JavaConstant speculation;
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38
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39 public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason) {
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40 this(action, reason, 0, JavaConstant.NULL_POINTER, null);
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41 }
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42
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43 public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason, int debugId, JavaConstant speculation, FrameState stateBefore) {
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44 super(TYPE, stateBefore);
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45 assert action != null;
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46 assert reason != null;
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47 assert speculation.getKind() == Kind.Object;
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48 this.action = action;
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49 this.reason = reason;
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50 this.debugId = debugId;
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51 this.speculation = speculation;
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52 }
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53
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54 public DeoptimizationAction action() {
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55 return action;
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56 }
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57
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58 public DeoptimizationReason reason() {
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59 return reason;
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60 }
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61
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62 @Override
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63 public void lower(LoweringTool tool) {
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64 tool.getLowerer().lower(this, tool);
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65 }
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67 @Override
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68 public void generate(NodeLIRBuilderTool gen) {
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69 gen.getLIRGeneratorTool().emitDeoptimize(gen.getLIRGeneratorTool().getMetaAccess().encodeDeoptActionAndReason(action, reason, debugId), speculation, gen.state(this));
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70 }
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71
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72 @Override
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73 public ValueNode getActionAndReason(MetaAccessProvider metaAccess) {
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74 return ConstantNode.forConstant(metaAccess.encodeDeoptActionAndReason(action, reason, debugId), metaAccess, graph());
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75 }
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77 @Override
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78 public ValueNode getSpeculation(MetaAccessProvider metaAccess) {
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79 return ConstantNode.forConstant(speculation, metaAccess, graph());
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80 }
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81
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82 public JavaConstant getSpeculation() {
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83 return speculation;
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84 }
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85
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86 @NodeIntrinsic
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87 public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason);
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88 }