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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DeoptimizeNode.java @ 9251:435bb9425124

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added enum to Lowerable interface (before/after guard lowering)
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 23 Apr 2013 15:19:53 +0200
parents 60b9fe7034e6
children 7f92277c3a37
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1 /*
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2 * Copyright (c) 2009, 2011, 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.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.graph.*;
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28 import com.oracle.graal.nodes.spi.*;
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29 import com.oracle.graal.nodes.type.*;
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31 @NodeInfo(shortName = "Deopt", nameTemplate = "Deopt {p#reason/s}")
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32 public class DeoptimizeNode extends ControlSinkNode implements Node.IterableNodeType, Lowerable, LIRLowerable, DeoptimizingNode {
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33
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34 @Input private FrameState deoptState;
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35
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36 private final DeoptimizationAction action;
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37 private final DeoptimizationReason reason;
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38
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39 public DeoptimizeNode(DeoptimizationAction action, DeoptimizationReason reason) {
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40 super(StampFactory.forVoid());
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41 this.action = action;
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42 this.reason = reason;
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43 }
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44
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45 public DeoptimizationAction action() {
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46 return action;
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47 }
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49 public DeoptimizationReason reason() {
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50 return reason;
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51 }
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52
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53 @Override
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54 public void lower(LoweringTool tool, LoweringType loweringType) {
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55 tool.getRuntime().lower(this, tool);
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56 }
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57
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58 @Override
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59 public void generate(LIRGeneratorTool gen) {
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60 gen.emitDeoptimize(action, this);
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61 }
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63 @NodeIntrinsic
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64 public static native void deopt(@ConstantNodeParameter DeoptimizationAction action, @ConstantNodeParameter DeoptimizationReason reason);
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66 @Override
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67 public boolean canDeoptimize() {
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68 return true;
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69 }
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71 @Override
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72 public FrameState getDeoptimizationState() {
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73 return deoptState;
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74 }
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76 @Override
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77 public void setDeoptimizationState(FrameState f) {
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78 updateUsages(deoptState, f);
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79 deoptState = f;
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80 }
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81
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82 @Override
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83 public DeoptimizationReason getDeoptimizationReason() {
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84 return reason;
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85 }
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86
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87 @Override
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88 public boolean isCallSiteDeoptimization() {
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89 return false;
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90 }
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91 }