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annotate graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/frame/NewFrameNode.java @ 19526:8fc336a04d77

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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 2e91c189b0d8
children a4aa2116cfe0
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1 /*
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2 * Copyright (c) 2013, 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.truffle.nodes.frame;
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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.api.replacements.*;
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29 import com.oracle.graal.api.runtime.*;
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30 import com.oracle.graal.compiler.common.*;
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31 import com.oracle.graal.compiler.common.type.*;
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32 import com.oracle.graal.graph.*;
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33 import com.oracle.graal.graph.spi.*;
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34 import com.oracle.graal.nodeinfo.*;
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35 import com.oracle.graal.nodes.*;
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36 import com.oracle.graal.nodes.java.*;
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37 import com.oracle.graal.nodes.spi.*;
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38 import com.oracle.graal.nodes.util.*;
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39 import com.oracle.graal.nodes.virtual.*;
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40 import com.oracle.graal.truffle.*;
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41 import com.oracle.graal.truffle.nodes.*;
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42 import com.oracle.truffle.api.frame.*;
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43
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44 /**
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45 * Intrinsic node representing the call for creating a frame in the {@link OptimizedCallTarget}
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46 * class.
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47 */
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48 @NodeInfo
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49 public final class NewFrameNode extends FixedWithNextNode implements IterableNodeType, VirtualizableAllocation, Canonicalizable {
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50
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51 public static final NodeClass<NewFrameNode> TYPE = NodeClass.create(NewFrameNode.class);
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52 @Input ValueNode descriptor;
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53 @Input ValueNode arguments;
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54
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55 public NewFrameNode(Stamp stamp, ValueNode descriptor, ValueNode arguments) {
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56 super(TYPE, stamp);
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57 this.descriptor = descriptor;
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58 this.arguments = arguments;
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59 }
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60
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61 public NewFrameNode(ResolvedJavaType frameType, ValueNode descriptor, ValueNode arguments) {
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62 this(StampFactory.exactNonNull(frameType), descriptor, arguments);
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63 }
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64
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65 public ValueNode getDescriptor() {
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66 return descriptor;
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67 }
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68
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69 public ValueNode getArguments() {
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70 return arguments;
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71 }
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72
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73 private static SnippetReflectionProvider getSnippetReflection() {
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74 /*
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75 * This class requires access to the objects encapsulated in Constants, and therefore breaks
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76 * the compiler-VM separation of object constants.
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77 */
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78 return Graal.getRequiredCapability(SnippetReflectionProvider.class);
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79 }
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80
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81 private FrameDescriptor getConstantFrameDescriptor() {
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82 assert descriptor.isConstant() && !descriptor.isNullConstant();
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83 return getSnippetReflection().asObject(FrameDescriptor.class, descriptor.asJavaConstant());
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84 }
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85
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86 private int getFrameSize() {
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87 return getConstantFrameDescriptor().getSize();
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88 }
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89
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90 private static ResolvedJavaField findField(ResolvedJavaField[] fields, String fieldName) {
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91 for (ResolvedJavaField field : fields) {
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92 if (field.getName().equals(fieldName)) {
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93 return field;
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94 }
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95 }
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96 return null;
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97 }
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98
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99 @NodeInfo
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100 public static final class VirtualOnlyInstanceNode extends VirtualInstanceNode {
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101
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102 public static final NodeClass<VirtualOnlyInstanceNode> TYPE = NodeClass.create(VirtualOnlyInstanceNode.class);
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103 protected boolean allowMaterialization;
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104
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105 public VirtualOnlyInstanceNode(ResolvedJavaType type, ResolvedJavaField[] fields) {
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106 super(TYPE, type, fields, true);
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107 }
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108
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109 @Override
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110 public ValueNode getMaterializedRepresentation(FixedNode fixed, ValueNode[] entries, LockState locks) {
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111 if (allowMaterialization) {
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112 return super.getMaterializedRepresentation(fixed, entries, locks);
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113 }
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114 return getMaterializedRepresentationHelper(this, fixed);
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115 }
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116
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117 public void setAllowMaterialization(boolean b) {
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118 this.allowMaterialization = b;
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119 }
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120 }
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121
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122 public static ValueNode getMaterializedRepresentationHelper(VirtualObjectNode virtualNode, FixedNode fixed) {
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123 if (fixed instanceof MaterializeFrameNode || fixed instanceof AbstractEndNode || fixed instanceof ForceMaterializeNode) {
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124 // We need to conservatively assume that a materialization of a virtual frame can also
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125 // happen at a merge point.
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126 return new AllocatedObjectNode(virtualNode);
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127 }
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128 String escapeReason;
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129 if (fixed instanceof StoreFieldNode) {
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130 escapeReason = "Must not store virtual frame object into a field.";
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131 } else if (fixed instanceof Invoke) {
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132 escapeReason = "Must not pass virtual frame object into an invoke that cannot be inlined.";
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133 } else {
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134 escapeReason = "Must not let virtual frame object escape at node " + fixed + ".";
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135 }
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136
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137 Throwable exception = new GraalInternalError(escapeReason +
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138 " Insert a call to VirtualFrame.materialize() to convert the instance to a materialized frame object (source position of following stack trace is approximate)");
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139 throw GraphUtil.approxSourceException(fixed, exception);
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140 }
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141
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142 @Override
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143 public void virtualize(VirtualizerTool tool) {
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144 if (!descriptor.isConstant()) {
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145 return;
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146 }
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147
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148 int frameSize = getFrameSize();
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149
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150 ResolvedJavaType frameType = stamp().javaType(tool.getMetaAccessProvider());
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151 ResolvedJavaField[] frameFields = frameType.getInstanceFields(true);
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152
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153 ResolvedJavaField descriptorField = findField(frameFields, "descriptor");
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154 ResolvedJavaField argumentsField = findField(frameFields, "arguments");
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155 ResolvedJavaField localsField = findField(frameFields, "locals");
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156 ResolvedJavaField primitiveLocalsField = findField(frameFields, "primitiveLocals");
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157 ResolvedJavaField tagsField = findField(frameFields, "tags");
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158
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f57d86eb036f removed Node factory methods
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159 VirtualObjectNode virtualFrame = new VirtualOnlyInstanceNode(frameType, frameFields);
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160 VirtualObjectNode virtualFrameObjectArray = new VirtualArrayNode((ResolvedJavaType) localsField.getType().getComponentType(), frameSize);
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161 VirtualObjectNode virtualFramePrimitiveArray = (primitiveLocalsField == null ? null : new VirtualArrayNode((ResolvedJavaType) primitiveLocalsField.getType().getComponentType(), frameSize));
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162 VirtualObjectNode virtualFrameTagArray = (primitiveLocalsField == null ? null : new VirtualArrayNode((ResolvedJavaType) tagsField.getType().getComponentType(), frameSize));
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163
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164 ValueNode[] objectArrayEntryState = new ValueNode[frameSize];
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165 ValueNode[] primitiveArrayEntryState = new ValueNode[frameSize];
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166 ValueNode[] tagArrayEntryState = new ValueNode[frameSize];
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167
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168 if (frameSize > 0) {
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169 FrameDescriptor frameDescriptor = getConstantFrameDescriptor();
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94f16a759646 Truffle: remove FrameTypeConversion interface
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170 ConstantNode objectDefault = ConstantNode.forConstant(getSnippetReflection().forObject(frameDescriptor.getDefaultValue()), tool.getMetaAccessProvider(), graph());
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171 ConstantNode tagDefault = ConstantNode.forByte((byte) 0, graph());
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b72ce1826bd0 Truffle: revert back to typed primitives, but make the primitive array an int[]
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172 Arrays.fill(objectArrayEntryState, objectDefault);
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173 if (virtualFrameTagArray != null) {
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174 Arrays.fill(tagArrayEntryState, tagDefault);
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175 }
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176 if (virtualFramePrimitiveArray != null) {
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177 for (int i = 0; i < frameSize; i++) {
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178 primitiveArrayEntryState[i] = initialPrimitiveValue(frameDescriptor.getSlots().get(i).getKind());
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179 }
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180 }
19250
8ab925a6f724 made Assumptions be part of a StructuredGraph
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parents: 18998
diff changeset
181 graph().getAssumptions().record(new AssumptionValidAssumption((OptimizedAssumption) frameDescriptor.getVersion()));
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182 }
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183
13554
83fd2094ff66 rework of monitorenter/exit (use MonitorIdNode)
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parents: 13206
diff changeset
184 tool.createVirtualObject(virtualFrameObjectArray, objectArrayEntryState, Collections.<MonitorIdNode> emptyList());
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185 if (virtualFramePrimitiveArray != null) {
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diff changeset
186 tool.createVirtualObject(virtualFramePrimitiveArray, primitiveArrayEntryState, Collections.<MonitorIdNode> emptyList());
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187 }
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188 if (virtualFrameTagArray != null) {
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diff changeset
189 tool.createVirtualObject(virtualFrameTagArray, tagArrayEntryState, Collections.<MonitorIdNode> emptyList());
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190 }
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191
19384
a1edf4524d84 Experiment with alternative frame implementation.
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diff changeset
192 assert frameFields.length == 5 || frameFields.length == 3;
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193 ValueNode[] frameEntryState = new ValueNode[frameFields.length];
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194 List<ResolvedJavaField> frameFieldList = Arrays.asList(frameFields);
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195 frameEntryState[frameFieldList.indexOf(descriptorField)] = getDescriptor();
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196 frameEntryState[frameFieldList.indexOf(argumentsField)] = getArguments();
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197 frameEntryState[frameFieldList.indexOf(localsField)] = virtualFrameObjectArray;
19384
a1edf4524d84 Experiment with alternative frame implementation.
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diff changeset
198 if (primitiveLocalsField != null) {
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diff changeset
199 frameEntryState[frameFieldList.indexOf(primitiveLocalsField)] = virtualFramePrimitiveArray;
a1edf4524d84 Experiment with alternative frame implementation.
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200 }
a1edf4524d84 Experiment with alternative frame implementation.
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diff changeset
201 if (tagsField != null) {
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diff changeset
202 frameEntryState[frameFieldList.indexOf(tagsField)] = virtualFrameTagArray;
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diff changeset
203 }
13571
1335577dc50c fix truffle compilation after monitorenter/exit changes
Lukas Stadler <lukas.stadler@jku.at>
parents: 13554
diff changeset
204 tool.createVirtualObject(virtualFrame, frameEntryState, Collections.<MonitorIdNode> emptyList());
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0097fb11c16f Add basic version of Graal's Truffle runtime.
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diff changeset
205 tool.replaceWithVirtual(virtualFrame);
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diff changeset
206 }
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
207
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diff changeset
208 private ValueNode initialPrimitiveValue(FrameSlotKind kind) {
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diff changeset
209 Kind graalKind = null;
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diff changeset
210 switch (kind) {
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diff changeset
211 case Boolean:
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diff changeset
212 case Byte:
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diff changeset
213 case Int:
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diff changeset
214 graalKind = Kind.Int;
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
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diff changeset
215 break;
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diff changeset
216 case Double:
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diff changeset
217 graalKind = Kind.Double;
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diff changeset
218 break;
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diff changeset
219 case Float:
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diff changeset
220 graalKind = Kind.Float;
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diff changeset
221 break;
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diff changeset
222 case Long:
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parents: 18109
diff changeset
223 graalKind = Kind.Long;
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
Andreas Woess <andreas.woess@jku.at>
parents: 18109
diff changeset
224 break;
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diff changeset
225 case Object:
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diff changeset
226 case Illegal:
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parents: 18109
diff changeset
227 // won't be stored in the primitive array, so default to long
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diff changeset
228 graalKind = Kind.Long;
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diff changeset
229 break;
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
230 default:
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diff changeset
231 throw new IllegalStateException("Unexpected frame slot kind: " + kind);
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
Andreas Woess <andreas.woess@jku.at>
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diff changeset
232 }
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
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parents: 18109
diff changeset
233
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
Andreas Woess <andreas.woess@jku.at>
parents: 18109
diff changeset
234 return ConstantNode.defaultForKind(graalKind, graph());
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
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diff changeset
235 }
30e03a7f9110 Truffle: revert to long[] in frame and initial value depending on frame slot kind
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diff changeset
236
10484
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
237 @Override
11880
9a747d8e0d0f broadened types in Canonicalizable interface so that it can be moved to the com.oracle.graal.graph project (GRAAL-506)
Doug Simon <doug.simon@oracle.com>
parents: 11710
diff changeset
238 public Node canonical(CanonicalizerTool tool) {
18937
ff232ff8d028 Add utility Node#hasNoUsages.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18847
diff changeset
239 if (hasNoUsages()) {
10484
0097fb11c16f Add basic version of Graal's Truffle runtime.
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diff changeset
240 return null;
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parents:
diff changeset
241 } else {
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
242 return this;
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
243 }
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
244 }
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
245
0097fb11c16f Add basic version of Graal's Truffle runtime.
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parents:
diff changeset
246 @NodeIntrinsic
19437
2e91c189b0d8 Introduce option TruffleUseFrameWithoutBoxing, default to true.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19403
diff changeset
247 public static native VirtualFrame allocate(@ConstantNodeParameter Class<? extends VirtualFrame> frameType, FrameDescriptor descriptor, Object[] args);
10484
0097fb11c16f Add basic version of Graal's Truffle runtime.
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diff changeset
248 }