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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotGraphBuilderPlugins.java @ 19884:87736c089259

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refactored graph builder plugins to be top level interfaces
author Doug Simon <doug.simon@oracle.com>
date Sun, 15 Mar 2015 11:48:14 +0100
parents 4d33cd6e0c8f
children 87c62a38f843
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1 /*
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2 * Copyright (c) 2015, 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.hotspot.meta;
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24
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25 import static com.oracle.graal.graphbuilderconf.GraphBuilderContext.*;
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26 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.api.replacements.*;
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31 import com.oracle.graal.compiler.common.type.*;
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32 import com.oracle.graal.graphbuilderconf.*;
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33 import com.oracle.graal.graphbuilderconf.GraphBuilderConfiguration.*;
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34 import com.oracle.graal.graphbuilderconf.InvocationPlugins.*;
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35 import com.oracle.graal.hotspot.*;
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36 import com.oracle.graal.hotspot.nodes.*;
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37 import com.oracle.graal.hotspot.replacements.*;
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38 import com.oracle.graal.hotspot.word.*;
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39 import com.oracle.graal.nodes.*;
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40 import com.oracle.graal.nodes.HeapAccess.BarrierType;
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41 import com.oracle.graal.nodes.extended.*;
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42 import com.oracle.graal.nodes.spi.*;
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43 import com.oracle.graal.options.*;
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44 import com.oracle.graal.replacements.*;
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45 import com.oracle.graal.word.*;
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46
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47 /**
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48 * Defines the {@link Plugins} used when running on HotSpot.
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49 */
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50 public class HotSpotGraphBuilderPlugins {
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51
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52 private static final int PLUGIN_COUNT_ESTIMATE = 160;
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53
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54 /**
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55 * Creates a {@link Plugins} object that should be used when running on HotSpot.
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56 *
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57 * @param constantReflection
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58 * @param snippetReflection
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59 * @param foreignCalls
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60 * @param stampProvider
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61 */
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62 public static Plugins create(HotSpotVMConfig config, HotSpotWordTypes wordTypes, MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection,
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63 SnippetReflectionProvider snippetReflection, ForeignCallsProvider foreignCalls, StampProvider stampProvider, ReplacementsImpl replacements, Architecture arch) {
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64
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65 InvocationPlugins invocationPlugins = new HotSpotInvocationPlugins(config, metaAccess, PLUGIN_COUNT_ESTIMATE);
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66
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67 Plugins plugins = new Plugins(invocationPlugins);
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68 NodeIntrinsificationPhase nodeIntrinsification = new NodeIntrinsificationPhase(metaAccess, constantReflection, snippetReflection, foreignCalls, stampProvider);
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69 HotSpotWordOperationPlugin wordOperationPlugin = new HotSpotWordOperationPlugin(snippetReflection, wordTypes);
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70
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71 plugins.setParameterPlugin(new HotSpotParameterPlugin(wordTypes));
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72 plugins.setLoadFieldPlugin(new HotSpotLoadFieldPlugin(metaAccess, constantReflection));
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73 plugins.setLoadIndexedPlugin(new HotSpotLoadIndexedPlugin(wordTypes));
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74 plugins.setInlineInvokePlugin(new HotSpotInlineInvokePlugin(nodeIntrinsification, replacements));
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75 plugins.setGenericInvocationPlugin(new DefaultGenericInvocationPlugin(nodeIntrinsification, wordOperationPlugin));
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76
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77 registerObjectPlugins(invocationPlugins);
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78 registerSystemPlugins(invocationPlugins, foreignCalls);
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79 registerThreadPlugins(invocationPlugins, metaAccess, wordTypes, config);
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80 registerStableOptionPlugins(invocationPlugins);
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81 StandardGraphBuilderPlugins.registerInvocationPlugins(metaAccess, arch, invocationPlugins, !config.useHeapProfiler);
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82
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83 int size = invocationPlugins.size();
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84 assert PLUGIN_COUNT_ESTIMATE >= size : String.format("adjust %s.PLUGIN_COUNT_ESTIMATE to be above or equal to %d", HotSpotGraphBuilderPlugins.class.getSimpleName(), size);
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85 assert PLUGIN_COUNT_ESTIMATE - size < 20 : String.format("adjust %s.PLUGIN_COUNT_ESTIMATE to be closer to %d", HotSpotGraphBuilderPlugins.class.getSimpleName(), size);
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86 return plugins;
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87 }
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88
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89 private static void registerObjectPlugins(InvocationPlugins plugins) {
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90 Registration r = new Registration(plugins, Object.class);
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91 r.register1("getClass", Receiver.class, new InvocationPlugin() {
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92 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, ValueNode rcvr) {
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93 ObjectStamp objectStamp = (ObjectStamp) rcvr.stamp();
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94 ValueNode mirror;
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95 if (objectStamp.isExactType() && objectStamp.nonNull()) {
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96 mirror = b.append(ConstantNode.forConstant(objectStamp.type().getJavaClass(), b.getMetaAccess()));
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97 } else {
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98 StampProvider stampProvider = b.getStampProvider();
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99 LoadHubNode hub = b.append(new LoadHubNode(stampProvider, nullCheckedValue(b, rcvr)));
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100 mirror = b.append(new HubGetClassNode(b.getMetaAccess(), hub));
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101 }
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102 b.push(Kind.Object, mirror);
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103 return true;
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104 }
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105 });
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106 }
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107
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108 private static void registerSystemPlugins(InvocationPlugins plugins, ForeignCallsProvider foreignCalls) {
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109 Registration r = new Registration(plugins, System.class);
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110 r.register0("currentTimeMillis", new InvocationPlugin() {
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111 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod) {
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112 b.push(Kind.Long, b.append(new ForeignCallNode(foreignCalls, SystemSubstitutions.JAVA_TIME_MILLIS, StampFactory.forKind(Kind.Long))));
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113 return true;
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114 }
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115 });
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116 r.register0("nanoTime", new InvocationPlugin() {
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117 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod) {
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118 b.push(Kind.Long, b.append(new ForeignCallNode(foreignCalls, SystemSubstitutions.JAVA_TIME_NANOS, StampFactory.forKind(Kind.Long))));
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119 return true;
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120 }
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121 });
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122 }
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123
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124 private static void registerThreadPlugins(InvocationPlugins plugins, MetaAccessProvider metaAccess, WordTypes wordTypes, HotSpotVMConfig config) {
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125 Registration r = new Registration(plugins, Thread.class);
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126 r.register0("currentThread", new InvocationPlugin() {
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127 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod) {
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128 CurrentJavaThreadNode thread = b.append(new CurrentJavaThreadNode(wordTypes.getWordKind()));
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129 ConstantLocationNode location = b.append(new ConstantLocationNode(JAVA_THREAD_THREAD_OBJECT_LOCATION, config.threadObjectOffset));
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130 boolean compressible = false;
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131 ValueNode javaThread = WordOperationPlugin.readOp(b, Kind.Object, thread, location, BarrierType.NONE, compressible);
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132 boolean exactType = compressible;
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133 boolean nonNull = true;
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134 b.push(Kind.Object, b.append(new PiNode(javaThread, metaAccess.lookupJavaType(Thread.class), exactType, nonNull)));
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135 return true;
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136 }
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137 });
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138 }
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139
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140 private static void registerStableOptionPlugins(InvocationPlugins plugins) {
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141 Registration r = new Registration(plugins, StableOptionValue.class);
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142 r.register1("getValue", Receiver.class, new InvocationPlugin() {
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143 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, ValueNode rcvr) {
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144 if (rcvr.isConstant() && !rcvr.isNullConstant()) {
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145 Object object = ((HotSpotObjectConstantImpl) rcvr.asConstant()).object();
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146 StableOptionValue<?> option = (StableOptionValue<?>) object;
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147 ConstantNode value = b.append(ConstantNode.forConstant(HotSpotObjectConstantImpl.forObject(option.getValue()), b.getMetaAccess()));
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148 b.push(Kind.Object, value);
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149 return true;
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150 }
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151 return false;
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152 }
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153 });
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154 }
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155 }