Mercurial > hg > graal-jvmci-8
annotate graal/GraalCompiler/src/com/sun/c1x/ir/Invoke.java @ 2834:bfce42cd9c07
Graph duplication now passes all tests
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 31 May 2011 13:34:52 +0200 |
parents | 27c00b180416 |
children | 14708c03abba |
rev | line source |
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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.sun.c1x.ir; |
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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.graph.*; |
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28 import com.sun.c1x.debug.*; |
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29 import com.sun.c1x.util.*; |
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30 import com.sun.cri.bytecode.*; |
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31 import com.sun.cri.ci.*; |
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32 import com.sun.cri.ri.*; |
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33 |
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34 /** |
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35 * The {@code Invoke} instruction represents all kinds of method calls. |
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36 */ |
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37 public final class Invoke extends StateSplit implements ExceptionEdgeInstruction { |
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38 |
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39 private final int argumentCount; |
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40 |
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41 private static final int SUCCESSOR_COUNT = 1; |
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42 private static final int SUCCESSOR_EXCEPTION_EDGE = 0; |
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43 |
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44 @Override |
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45 protected int inputCount() { |
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46 return super.inputCount() + argumentCount; |
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47 } |
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48 |
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49 @Override |
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50 protected int successorCount() { |
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51 return super.successorCount() + SUCCESSOR_COUNT; |
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52 } |
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53 |
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54 /** |
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55 * The list of instructions that produce input for this instruction. |
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56 */ |
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57 public Value argument(int index) { |
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58 assert index >= 0 && index < argumentCount; |
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59 return (Value) inputs().get(super.inputCount() + index); |
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60 } |
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61 |
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62 public Value setArgument(int index, Value n) { |
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63 assert index >= 0 && index < argumentCount; |
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64 return (Value) inputs().set(super.inputCount() + index, n); |
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65 } |
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66 |
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67 public int argumentCount() { |
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68 return argumentCount; |
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69 } |
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70 |
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71 /** |
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72 * The entry to the exception dispatch chain for this invoke. |
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73 */ |
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74 @Override |
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75 public Instruction exceptionEdge() { |
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76 return (Instruction) successors().get(super.successorCount() + SUCCESSOR_EXCEPTION_EDGE); |
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77 } |
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78 |
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79 public Instruction setExceptionEdge(Instruction n) { |
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80 return (Instruction) successors().set(super.successorCount() + SUCCESSOR_EXCEPTION_EDGE, n); |
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81 } |
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82 |
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83 public final int opcode; |
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84 public final RiMethod target; |
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85 public final RiType returnType; |
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86 public final int bci; // XXX needed because we can not compute the bci from the sateBefore bci of this Invoke was optimized from INVOKEINTERFACE to INVOKESPECIAL |
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87 |
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88 /** |
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89 * Constructs a new Invoke instruction. |
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90 * |
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91 * @param opcode the opcode of the invoke |
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92 * @param result the result type |
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93 * @param args the list of instructions producing arguments to the invocation, including the receiver object |
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94 * @param isStatic {@code true} if this call is static (no receiver object) |
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95 * @param target the target method being called |
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96 * @param stateBefore the state before executing the invocation |
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97 */ |
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99 super(result, args.length, SUCCESSOR_COUNT, graph); |
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100 this.opcode = opcode; |
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101 this.target = target; |
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102 this.returnType = returnType; |
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103 this.bci = bci; |
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104 |
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105 this.argumentCount = args.length; |
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106 for (int i = 0; i < args.length; i++) { |
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107 setArgument(i, args[i]); |
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108 } |
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109 } |
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110 |
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111 /** |
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112 * Gets the opcode of this invoke instruction. |
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113 * @return the opcode |
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114 */ |
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115 public int opcode() { |
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116 return opcode; |
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117 } |
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118 |
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119 /** |
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120 * Checks whether this is an invocation of a static method. |
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121 * @return {@code true} if the invocation is a static invocation |
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122 */ |
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123 public boolean isStatic() { |
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124 return opcode == Bytecodes.INVOKESTATIC; |
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125 } |
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126 |
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127 @Override |
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128 public RiType declaredType() { |
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129 return returnType; |
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130 } |
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131 |
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132 /** |
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133 * Gets the instruction that produces the receiver object for this invocation, if any. |
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134 * @return the instruction that produces the receiver object for this invocation if any, {@code null} if this |
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135 * invocation does not take a receiver object |
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136 */ |
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137 public Value receiver() { |
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138 assert !isStatic(); |
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139 return argument(0); |
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140 } |
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141 |
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142 /** |
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143 * Gets the target method for this invocation instruction. |
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144 * @return the target method |
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145 */ |
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146 public RiMethod target() { |
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147 return target; |
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148 } |
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149 |
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150 /** |
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151 * Checks whether this invocation has a receiver object. |
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152 * @return {@code true} if this invocation has a receiver object; {@code false} otherwise, if this is a |
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153 * static call |
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154 */ |
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155 public boolean hasReceiver() { |
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156 return !isStatic(); |
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157 } |
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158 |
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159 @Override |
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160 public void accept(ValueVisitor v) { |
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161 v.visitInvoke(this); |
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162 } |
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163 |
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164 public CiKind[] signature() { |
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165 CiKind receiver = isStatic() ? null : target.holder().kind(); |
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166 return Util.signatureToKinds(target.signature(), receiver); |
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167 } |
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168 |
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169 @Override |
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170 public void print(LogStream out) { |
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171 int argStart = 0; |
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172 if (hasReceiver()) { |
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173 out.print(receiver()).print('.'); |
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174 argStart = 1; |
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175 } |
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176 |
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177 RiMethod target = target(); |
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178 out.print(target.name()).print('('); |
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179 for (int i = argStart; i < argumentCount; i++) { |
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180 if (i > argStart) { |
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181 out.print(", "); |
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182 } |
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183 out.print(argument(i)); |
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184 } |
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185 out.print(CiUtil.format(") [method: %H.%n(%p):%r]", target, false)); |
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186 } |
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187 |
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188 @Override |
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189 public Map<Object, Object> getDebugProperties() { |
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190 Map<Object, Object> properties = super.getDebugProperties(); |
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191 properties.put("opcode", Bytecodes.nameOf(opcode)); |
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192 properties.put("target", CiUtil.format("%H.%n(%p):%r", target, false)); |
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193 properties.put("bci", bci); |
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194 return properties; |
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195 } |
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196 |
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197 @Override |
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198 public Node copy(Graph into) { |
2829 | 199 Invoke x = new Invoke(bci, opcode, kind, new Value[argumentCount], target, returnType, into); |
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200 x.setNonNull(isNonNull()); |
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201 return x; |
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202 } |
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203 } |