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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotXirGenerator.java @ 1420:44efca8a02d6

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author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 13 Jul 2010 11:47:55 -0700
parents 7bf6a77b9c5a
children 6223633ce7dd
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1 /*
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2 * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
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7 * applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard
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10 * license agreement and applicable provisions of the FAR and its supplements.
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11 *
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
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15 *
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
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17 */
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18 package com.sun.hotspot.c1x;
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19
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20 import java.lang.reflect.Modifier;
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21 import java.util.ArrayList;
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22 import java.util.List;
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23
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24 import com.sun.cri.ci.CiKind;
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25 import com.sun.cri.ri.RiField;
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26 import com.sun.cri.ri.RiMethod;
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27 import com.sun.cri.ri.RiRegisterConfig;
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28 import com.sun.cri.ri.RiType;
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29 import com.sun.cri.ri.RiType.Representation;
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30 import com.sun.cri.xir.CiXirAssembler;
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31 import com.sun.cri.xir.RiXirGenerator;
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32 import com.sun.cri.xir.XirArgument;
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33 import com.sun.cri.xir.XirSite;
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34 import com.sun.cri.xir.XirSnippet;
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35 import com.sun.cri.xir.XirTemplate;
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36 import com.sun.cri.xir.CiXirAssembler.XirOperand;
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37
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38 /**
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39 *
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40 * @author Thomas Wuerthinger
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41 *
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42 */
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43 public class HotSpotXirGenerator extends RiXirGenerator {
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44
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45 private XirTemplate[] emptyTemplates = new XirTemplate[CiKind.values().length];
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46 private final HotSpotVMConfig config;
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47
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48 public HotSpotXirGenerator(HotSpotVMConfig config) {
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49 this.config = config;
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50 }
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51
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52 @Override
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53 public List<XirTemplate> buildTemplates(CiXirAssembler asm) {
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54 List<XirTemplate> templates = new ArrayList<XirTemplate>();
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55 for (int i = 0; i < CiKind.values().length; i++) {
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56
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57 CiKind curKind = CiKind.values()[i];
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58
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59 if (curKind == CiKind.Float || curKind == CiKind.Double)
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60 continue;
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61
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62 if (CiKind.values()[i] == CiKind.Void) {
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63 asm.restart(CiKind.values()[i]);
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64 emptyTemplates[i] = asm.finishTemplate("empty-" + CiKind.values()[i]);
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65 } else {
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66 asm.restart();
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67 XirOperand result = asm.createTemp("result", CiKind.values()[i]);
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68 emptyTemplates[i] = asm.finishTemplate(result, "empty-" + CiKind.values()[i]);
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69 }
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70 templates.add(emptyTemplates[i]);
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71 }
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72
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73 return templates;
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74 }
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75
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76 @Override
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77 public XirSnippet genArrayLength(XirSite site, XirArgument array) {
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78 return new XirSnippet(emptyTemplates[CiKind.Int.ordinal()]);
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79 }
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80
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81 @Override
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82 public XirSnippet genArrayLoad(XirSite site, XirArgument array, XirArgument index, XirArgument length, CiKind elementKind, RiType elementType) {
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83 return new XirSnippet(emptyTemplates[elementKind.ordinal()]);
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84 }
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85
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86 @Override
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87 public XirSnippet genArrayStore(XirSite site, XirArgument array, XirArgument index, XirArgument length, XirArgument value, CiKind elementKind, RiType elementType) {
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88 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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89 }
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90
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91 @Override
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92 public XirSnippet genCheckCast(XirSite site, XirArgument receiver, XirArgument hub, RiType type) {
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93 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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94 }
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95
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96 @Override
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97 public XirSnippet genEntrypoint(XirSite site) {
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98 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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99 }
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100
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101 @Override
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102 public XirSnippet genGetField(XirSite site, XirArgument receiver, RiField field) {
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103 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
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104 }
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105
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106 @Override
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107 public XirSnippet genGetStatic(XirSite site, XirArgument staticTuple, RiField field) {
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108 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
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109 }
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110
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111 @Override
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112 public XirSnippet genInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, RiType type) {
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113 return new XirSnippet(emptyTemplates[CiKind.Boolean.ordinal()]);
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114 }
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115
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116 @Override
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117 public XirSnippet genIntrinsic(XirSite site, XirArgument[] arguments, RiMethod method) {
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118 return null;
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119 }
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120
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121 @Override
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122 public XirSnippet genInvokeInterface(XirSite site, XirArgument receiver, RiMethod method) {
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123 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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124 }
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125
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126 @Override
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127 public XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver, RiMethod method) {
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128 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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129 }
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130
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131 @Override
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132 public XirSnippet genInvokeStatic(XirSite site, RiMethod method) {
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133 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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134 }
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135
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136 @Override
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137 public XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver, RiMethod method) {
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138 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
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139 }
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140
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141 @Override
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142 public XirSnippet genMonitorEnter(XirSite site, XirArgument receiver) {
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143 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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144 }
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145
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146 @Override
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147 public XirSnippet genMonitorExit(XirSite site, XirArgument receiver) {
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148 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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149 }
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150
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151 @Override
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152 public XirSnippet genNewArray(XirSite site, XirArgument length, CiKind elementKind, RiType componentType, RiType arrayType) {
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153 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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154 }
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155
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156 @Override
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157 public XirSnippet genNewInstance(XirSite site, RiType type) {
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158 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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159 }
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160
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161 @Override
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162 public XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths, RiType type) {
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163 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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164 }
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165
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166 @Override
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167 public XirSnippet genPutField(XirSite site, XirArgument receiver, RiField field, XirArgument value) {
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168 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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169 }
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170
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171 @Override
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172 public XirSnippet genPutStatic(XirSite site, XirArgument staticTuple, RiField field, XirArgument value) {
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173 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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174 }
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175
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176 @Override
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177 public XirSnippet genResolveClass(XirSite site, RiType type, Representation representation) {
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178 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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179 }
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180
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181 @Override
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182 public XirSnippet genSafepoint(XirSite site) {
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183 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
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184 }
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185
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186 @Override
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187 public XirSnippet genExceptionObject(XirSite site) {
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188 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
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189 }
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190
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191 }