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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/InstanceOfDynamicNode.java @ 18845:f57d86eb036f

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removed Node factory methods
author Doug Simon <doug.simon@oracle.com>
date Mon, 12 Jan 2015 20:39:04 +0100
parents 0f4813e0b4a9
children 7e2c87dae93e
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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
346336325337 added intrinsification of Class.isInstance()
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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.java;
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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.spi.*;
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27 import com.oracle.graal.nodeinfo.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.nodes.spi.*;
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ef6915cf1e59 Add illegal stamp
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30 import com.oracle.graal.nodes.type.*;
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31
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32 /**
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33 * The {@code InstanceOfDynamicNode} represents a type check where the type being checked is not
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34 * known at compile time. This is used, for instance, to intrinsify {@link Class#isInstance(Object)}
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35 * .
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36 */
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37 @NodeInfo
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38 public class InstanceOfDynamicNode extends LogicNode implements Canonicalizable.Binary<ValueNode>, Lowerable {
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39
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40 @Input ValueNode object;
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41 @Input ValueNode mirror;
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42
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43 public InstanceOfDynamicNode(ValueNode mirror, ValueNode object) {
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44 this.mirror = mirror;
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45 this.object = object;
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da2431cc1506 Rename ValueNode kind() to getKind().
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46 assert mirror.getKind() == Kind.Object : mirror.getKind();
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47 assert StampTool.isExactType(mirror);
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48 assert StampTool.typeOrNull(mirror).getName().equals("Ljava/lang/Class;");
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49 }
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50
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51 @Override
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52 public void lower(LoweringTool tool) {
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53 tool.getLowerer().lower(this, tool);
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54 }
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55
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56 public ValueNode canonical(CanonicalizerTool tool, ValueNode forObject, ValueNode forMirror) {
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57 if (forMirror.isConstant()) {
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58 ResolvedJavaType t = tool.getConstantReflection().asJavaType(forMirror.asConstant());
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59 if (t != null) {
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60 if (t.isPrimitive()) {
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61 return LogicConstantNode.contradiction();
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62 } else {
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63 return new InstanceOfNode(t, forObject, null);
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64 }
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65 }
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66 }
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67 return this;
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68 }
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69
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70 public ValueNode object() {
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71 return object;
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72 }
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73
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74 public ValueNode mirror() {
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75 return mirror;
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76 }
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78 public ValueNode getX() {
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79 return object;
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80 }
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82 public ValueNode getY() {
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83 return mirror;
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84 }
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85 }