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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/NewInstanceNode.java @ 5814:d241f8b2e6f9

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Adapt the coloring filter for binary dumped graphs Update no framestate filter to also remove virtual nodes Improve binary serialization of fields and methods Made sure xml serialzer still works for dumping arrays in properties Added some nameTemplates Improved Name templates to optionaly use a short version of the elements Factored away elementType between NewPrimitiveArrayNode and NewObjectArrayNode into NewArrayNode restored Begin/End nodes shortNames
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 11 Jul 2012 14:13:38 +0200
parents 3b8bc07f8d17
children 67a357e3e42a
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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.java;
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24
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25 import java.util.*;
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26
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27 import com.oracle.graal.api.meta.*;
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28 import com.oracle.graal.graph.*;
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29 import com.oracle.graal.nodes.*;
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30 import com.oracle.graal.nodes.spi.*;
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31 import com.oracle.graal.nodes.type.*;
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32 import com.oracle.graal.nodes.util.*;
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34 /**
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35 * The {@code NewInstanceNode} represents the allocation of an instance class object.
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36 */
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37 @NodeInfo(nameTemplate = "New {p#instanceClass/s}")
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38 public final class NewInstanceNode extends FixedWithNextNode implements EscapeAnalyzable, Lowerable, LIRLowerable, Node.IterableNodeType {
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39
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40 private final ResolvedJavaType instanceClass;
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41
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42 /**
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43 * Constructs a NewInstanceNode.
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44 * @param type the class being allocated
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45 */
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46 public NewInstanceNode(ResolvedJavaType type) {
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47 super(StampFactory.exactNonNull(type));
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48 this.instanceClass = type;
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49 }
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50
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51 /**
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52 * Gets the instance class being allocated by this node.
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53 * @return the instance class allocated
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54 */
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55 public ResolvedJavaType instanceClass() {
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56 return instanceClass;
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57 }
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58
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59 @Override
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60 public void lower(LoweringTool tool) {
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61 tool.getRuntime().lower(this, tool);
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62 }
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63
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64 @Override
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65 public void generate(LIRGeneratorTool gen) {
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66 gen.visitNewInstance(this);
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67 }
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68
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69 public EscapeOp getEscapeOp() {
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70 return ESCAPE;
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71 }
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72
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73 private static final EscapeOp ESCAPE = new EscapeOp() {
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74
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75 @Override
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76 public boolean canAnalyze(Node node) {
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77 return true;
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78 }
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79
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80 private void fillEscapeFields(ResolvedJavaType type, List<EscapeField> escapeFields) {
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81 if (type != null) {
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82 fillEscapeFields(type.superType(), escapeFields);
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83 JavaField[] declaredFields = type.declaredFields();
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84 assert declaredFields != null : "the runtime must specify the declared fields of that type";
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85 for (JavaField field : declaredFields) {
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86 escapeFields.add(new EscapeField(field.name(), field, field.type()));
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87 }
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88 }
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89 }
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90
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91 @Override
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92 public EscapeField[] fields(Node node) {
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93 NewInstanceNode x = (NewInstanceNode) node;
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94 List<EscapeField> escapeFields = new ArrayList<>();
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95 fillEscapeFields(x.instanceClass(), escapeFields);
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96 return escapeFields.toArray(new EscapeField[escapeFields.size()]);
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97 }
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98
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99 @Override
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100 public void beforeUpdate(Node node, Node usage) {
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101 if (usage instanceof RegisterFinalizerNode) {
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102 RegisterFinalizerNode x = (RegisterFinalizerNode) usage;
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103 ((StructuredGraph) x.graph()).removeFixed(x);
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104 } else {
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105 super.beforeUpdate(node, usage);
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106 }
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107 }
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108
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109 @Override
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110 public int updateState(Node node, Node current, Map<Object, Integer> fieldIndex, ValueNode[] fieldState) {
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111 if (current instanceof AccessFieldNode) {
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112 AccessFieldNode x = (AccessFieldNode) current;
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113 if (GraphUtil.unProxify(x.object()) == node) {
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114 int field = fieldIndex.get(x.field());
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115 StructuredGraph graph = (StructuredGraph) x.graph();
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116 if (current instanceof LoadFieldNode) {
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117 assert fieldState[field] != null : field + ", " + x.field();
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118 x.replaceAtUsages(fieldState[field]);
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119 graph.removeFixed(x);
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120 } else if (current instanceof StoreFieldNode) {
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121 fieldState[field] = ((StoreFieldNode) x).value();
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122 graph.removeFixed(x);
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123 return field;
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124 }
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125 }
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126 }
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127 return -1;
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128 }
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129 };
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130 }