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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ForeignCallNode.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 880717e44675
children 14e703edb2ab
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1 /*
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2 * Copyright (c) 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.extended;
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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.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.compiler.common.type.*;
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30 import com.oracle.graal.graph.*;
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31 import com.oracle.graal.nodeinfo.*;
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32 import com.oracle.graal.nodes.*;
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33 import com.oracle.graal.nodes.spi.*;
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34
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35 /**
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36 * Node for a {@linkplain ForeignCallDescriptor foreign} call.
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37 */
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38 @NodeInfo(nameTemplate = "ForeignCall#{p#descriptor/s}", allowedUsageTypes = {InputType.Memory})
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39 public class ForeignCallNode extends AbstractMemoryCheckpoint implements LIRLowerable, DeoptimizingNode.DeoptDuring, MemoryCheckpoint.Multi {
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40 public static final NodeClass<ForeignCallNode> TYPE = NodeClass.create(ForeignCallNode.class);
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41
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42 @Input protected NodeInputList<ValueNode> arguments;
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43 @OptionalInput(InputType.State) protected FrameState stateDuring;
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44 protected final ForeignCallsProvider foreignCalls;
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45
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46 protected final ForeignCallDescriptor descriptor;
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47 protected int bci = BytecodeFrame.UNKNOWN_BCI;
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48
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49 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, ValueNode... arguments) {
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50 super(TYPE, StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())));
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51 this.arguments = new NodeInputList<>(this, arguments);
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52 this.descriptor = descriptor;
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53 this.foreignCalls = foreignCalls;
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54 }
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55
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56 public ForeignCallNode(ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, List<ValueNode> arguments) {
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57 this(foreignCalls, descriptor, StampFactory.forKind(Kind.fromJavaClass(descriptor.getResultType())), arguments);
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58 }
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59
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60 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp, List<ValueNode> arguments) {
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61 super(TYPE, stamp);
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62 this.arguments = new NodeInputList<>(this, arguments);
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63 this.descriptor = descriptor;
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64 this.foreignCalls = foreignCalls;
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65 }
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66
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67 protected ForeignCallNode(NodeClass<? extends ForeignCallNode> c, ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) {
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68 super(c, stamp);
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69 this.arguments = new NodeInputList<>(this);
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70 this.descriptor = descriptor;
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71 this.foreignCalls = foreignCalls;
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72 }
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73
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74 public ForeignCallNode(@InjectedNodeParameter ForeignCallsProvider foreignCalls, ForeignCallDescriptor descriptor, Stamp stamp) {
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75 super(TYPE, stamp);
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76 this.arguments = new NodeInputList<>(this);
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77 this.descriptor = descriptor;
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78 this.foreignCalls = foreignCalls;
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79 }
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80
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81 @Override
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82 public boolean hasSideEffect() {
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83 return !foreignCalls.isReexecutable(descriptor);
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84 }
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85
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86 public ForeignCallDescriptor getDescriptor() {
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87 return descriptor;
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88 }
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89
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90 @Override
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91 public LocationIdentity[] getLocationIdentities() {
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92 return foreignCalls.getKilledLocations(descriptor);
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93 }
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94
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95 protected Value[] operands(NodeLIRBuilderTool gen) {
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96 Value[] operands = new Value[arguments.size()];
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97 for (int i = 0; i < operands.length; i++) {
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98 operands[i] = gen.operand(arguments.get(i));
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99 }
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100 return operands;
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101 }
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102
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103 @Override
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104 public void generate(NodeLIRBuilderTool gen) {
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105 ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(descriptor);
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106 Value[] operands = operands(gen);
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107 Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, gen.state(this), operands);
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108 if (result != null) {
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109 gen.setResult(this, result);
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110 }
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111 }
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112
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113 @Override
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114 public FrameState stateDuring() {
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115 return stateDuring;
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116 }
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117
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118 @Override
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119 public void setStateDuring(FrameState stateDuring) {
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120 updateUsages(this.stateDuring, stateDuring);
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121 this.stateDuring = stateDuring;
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122 }
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123
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Tom Rodriguez <tom.rodriguez@oracle.com>
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124 /**
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125 * Set the {@code bci} of the invoke bytecode for use when converting a stateAfter into a
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126 * stateDuring.
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127 */
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128 public void setBci(int bci) {
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129 this.bci = bci;
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130 }
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131
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132 @Override
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parents: 16895
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133 public void computeStateDuring(FrameState currentStateAfter) {
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parents: 14734
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134 FrameState newStateDuring;
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135 if ((currentStateAfter.stackSize() > 0 && currentStateAfter.stackAt(currentStateAfter.stackSize() - 1) == this) ||
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136 (currentStateAfter.stackSize() > 1 && currentStateAfter.stackAt(currentStateAfter.stackSize() - 2) == this)) {
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137 // The result of this call is on the top of stack, so roll back to the previous bci.
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parents: 17450
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138 assert bci != BytecodeFrame.UNKNOWN_BCI;
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parents: 17450
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139 newStateDuring = currentStateAfter.duplicateModifiedDuringCall(bci, this.getKind());
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6ae9af961b7c Introduce separate interfaces for deoptimizing nodes that deopt to a state before, during or after their execution.
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parents: 14633
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140 } else {
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141 newStateDuring = currentStateAfter;
9793
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parents: 9792
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142 }
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Roland Schatz <roland.schatz@oracle.com>
parents: 14734
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143 setStateDuring(newStateDuring);
9793
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parents: 9792
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144 }
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Doug Simon <doug.simon@oracle.com>
parents: 9792
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145
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Doug Simon <doug.simon@oracle.com>
parents: 9792
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146 @Override
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147 public String toString(Verbosity verbosity) {
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148 if (verbosity == Verbosity.Name) {
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Doug Simon <doug.simon@oracle.com>
parents: 6458
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149 return super.toString(verbosity) + "#" + descriptor;
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150 }
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151 return super.toString(verbosity);
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152 }
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
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153
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
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154 @Override
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8394
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155 public boolean canDeoptimize() {
12362
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Doug Simon <doug.simon@oracle.com>
parents: 12361
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156 return foreignCalls.canDeoptimize(descriptor);
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157 }
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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158 }