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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/DynamicDeoptimizeNode.java @ 19529:8fc336a04d77

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Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 20 Feb 2015 22:22:55 +0100
parents 61d3cb8e1280
children 48c1ebd24120
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1 /*
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2 * Copyright (c) 2013, 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.graph.spi.*;
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28 import com.oracle.graal.nodeinfo.*;
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29 import com.oracle.graal.nodes.spi.*;
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30
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31 @NodeInfo
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32 public final class DynamicDeoptimizeNode extends AbstractDeoptimizeNode implements LIRLowerable, Lowerable, Canonicalizable {
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33 public static final NodeClass<DynamicDeoptimizeNode> TYPE = NodeClass.create(DynamicDeoptimizeNode.class);
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34 @Input ValueNode actionAndReason;
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35 @Input ValueNode speculation;
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36
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37 public DynamicDeoptimizeNode(ValueNode actionAndReason, ValueNode speculation) {
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38 super(TYPE, null);
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39 this.actionAndReason = actionAndReason;
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40 this.speculation = speculation;
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41 }
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42
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43 public ValueNode getActionAndReason() {
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44 return actionAndReason;
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45 }
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46
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47 public ValueNode getSpeculation() {
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48 return speculation;
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49 }
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50
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51 @Override
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52 public ValueNode getActionAndReason(MetaAccessProvider metaAccess) {
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53 return getActionAndReason();
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54 }
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55
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56 @Override
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57 public ValueNode getSpeculation(MetaAccessProvider metaAccess) {
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58 return getSpeculation();
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59 }
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60
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61 @Override
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62 public void lower(LoweringTool tool) {
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63 tool.getLowerer().lower(this, tool);
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64 }
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65
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66 public void generate(NodeLIRBuilderTool generator) {
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67 generator.getLIRGeneratorTool().emitDeoptimize(generator.operand(actionAndReason), generator.operand(speculation), generator.state(this));
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68 }
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69
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70 @Override
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71 public Node canonical(CanonicalizerTool tool) {
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72 if (actionAndReason.isConstant() && speculation.isConstant()) {
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73 JavaConstant constant = actionAndReason.asJavaConstant();
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74 JavaConstant speculationConstant = speculation.asJavaConstant();
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75 DeoptimizeNode newDeopt = new DeoptimizeNode(tool.getMetaAccess().decodeDeoptAction(constant), tool.getMetaAccess().decodeDeoptReason(constant), tool.getMetaAccess().decodeDebugId(
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76 constant), speculationConstant, stateBefore());
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77 return newDeopt;
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78 }
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79 return this;
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80 }
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81 }