Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/BoxingSnippets.java @ 10064:5749b583efe1
BoxingSnippets: don't embed constants if in AOT mode (GRAAL-290)
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Sun, 16 Jun 2013 23:55:21 +0200 |
parents | 063a712fe8d8 |
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1 /* |
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2 * Copyright (c) 2012, 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.replacements; |
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24 |
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25 import static com.oracle.graal.phases.GraalOptions.*; |
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26 import static com.oracle.graal.replacements.SnippetTemplate.*; |
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27 |
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28 import java.lang.reflect.*; |
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29 import java.util.*; |
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30 |
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31 import com.oracle.graal.api.code.*; |
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32 import com.oracle.graal.api.meta.*; |
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33 import com.oracle.graal.debug.*; |
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34 import com.oracle.graal.graph.Node.NodeIntrinsic; |
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35 import com.oracle.graal.nodes.*; |
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36 import com.oracle.graal.nodes.calc.*; |
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37 import com.oracle.graal.nodes.extended.*; |
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38 import com.oracle.graal.nodes.spi.*; |
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39 import com.oracle.graal.nodes.type.*; |
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40 import com.oracle.graal.replacements.Snippet.Fold; |
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41 import com.oracle.graal.replacements.Snippet.SnippetInliningPolicy; |
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42 import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates; |
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43 import com.oracle.graal.replacements.SnippetTemplate.Arguments; |
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44 import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo; |
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45 import com.oracle.graal.word.*; |
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46 |
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47 public class BoxingSnippets implements Snippets { |
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48 |
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49 /** |
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50 * This snippet inlining policy differs from the default one in that it does normal inlining of |
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51 * boxing methods like {@link Integer#valueOf(int)} (as opposed to method substitution). |
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52 */ |
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53 public static class BoxingSnippetInliningPolicy implements SnippetInliningPolicy { |
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54 |
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55 @Override |
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56 public boolean shouldInline(ResolvedJavaMethod method, ResolvedJavaMethod caller) { |
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57 if (Modifier.isNative(method.getModifiers())) { |
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58 return false; |
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59 } |
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60 if (method.getAnnotation(Fold.class) != null) { |
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61 return false; |
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62 } |
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63 if (method.getAnnotation(NodeIntrinsic.class) != null) { |
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64 return false; |
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65 } |
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66 if (method.getAnnotation(Word.Operation.class) != null) { |
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67 return false; |
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68 } |
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69 return true; |
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70 } |
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71 |
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72 @Override |
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73 public boolean shouldUseReplacement(ResolvedJavaMethod callee, ResolvedJavaMethod methodToParse) { |
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74 return false; |
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75 } |
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76 } |
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77 |
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78 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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79 public static Boolean booleanValueOf(boolean value) { |
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80 valueOfCounter.inc(); |
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81 return UnsafeCastNode.unsafeCast(Boolean.valueOf(value), StampFactory.forNodeIntrinsic()); |
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82 } |
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83 |
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84 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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85 public static Byte byteValueOf(byte value) { |
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86 valueOfCounter.inc(); |
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87 return UnsafeCastNode.unsafeCast(Byte.valueOf(value), StampFactory.forNodeIntrinsic()); |
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88 } |
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89 |
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90 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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91 public static Character charValueOf(char value) { |
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92 valueOfCounter.inc(); |
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93 return UnsafeCastNode.unsafeCast(Character.valueOf(value), StampFactory.forNodeIntrinsic()); |
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94 } |
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95 |
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96 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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97 public static Double doubleValueOf(double value) { |
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98 valueOfCounter.inc(); |
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99 return UnsafeCastNode.unsafeCast(Double.valueOf(value), StampFactory.forNodeIntrinsic()); |
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100 } |
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101 |
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102 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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103 public static Float floatValueOf(float value) { |
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104 valueOfCounter.inc(); |
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105 return UnsafeCastNode.unsafeCast(Float.valueOf(value), StampFactory.forNodeIntrinsic()); |
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106 } |
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107 |
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108 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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109 public static Integer intValueOf(int value) { |
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110 valueOfCounter.inc(); |
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111 return UnsafeCastNode.unsafeCast(Integer.valueOf(value), StampFactory.forNodeIntrinsic()); |
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112 } |
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113 |
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114 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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115 public static Long longValueOf(long value) { |
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116 valueOfCounter.inc(); |
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117 return UnsafeCastNode.unsafeCast(Long.valueOf(value), StampFactory.forNodeIntrinsic()); |
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118 } |
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119 |
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120 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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121 public static Short shortValueOf(short value) { |
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122 valueOfCounter.inc(); |
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123 return UnsafeCastNode.unsafeCast(Short.valueOf(value), StampFactory.forNodeIntrinsic()); |
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124 } |
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125 |
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126 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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127 public static boolean booleanValue(Boolean value) { |
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128 valueOfCounter.inc(); |
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129 return value.booleanValue(); |
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130 } |
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131 |
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132 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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133 public static byte byteValue(Byte value) { |
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134 valueOfCounter.inc(); |
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135 return value.byteValue(); |
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136 } |
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137 |
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138 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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139 public static char charValue(Character value) { |
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140 valueOfCounter.inc(); |
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141 return value.charValue(); |
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142 } |
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143 |
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144 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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145 public static double doubleValue(Double value) { |
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146 valueOfCounter.inc(); |
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147 return value.doubleValue(); |
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148 } |
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149 |
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150 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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151 public static float floatValue(Float value) { |
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152 valueOfCounter.inc(); |
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153 return value.floatValue(); |
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154 } |
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155 |
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156 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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157 public static int intValue(Integer value) { |
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158 valueOfCounter.inc(); |
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159 return value.intValue(); |
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160 } |
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161 |
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162 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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163 public static long longValue(Long value) { |
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164 valueOfCounter.inc(); |
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165 return value.longValue(); |
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166 } |
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167 |
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168 @Snippet(inlining = BoxingSnippetInliningPolicy.class) |
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169 public static short shortValue(Short value) { |
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170 valueOfCounter.inc(); |
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171 return value.shortValue(); |
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172 } |
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173 |
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174 public static FloatingNode canonicalizeBoxing(BoxNode box, MetaAccessProvider runtime) { |
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175 ValueNode value = box.getValue(); |
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176 if (value.isConstant()) { |
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177 Constant sourceConstant = value.asConstant(); |
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178 switch (box.getBoxingKind()) { |
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179 case Boolean: |
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180 return ConstantNode.forObject(Boolean.valueOf(sourceConstant.asInt() != 0), runtime, box.graph()); |
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181 case Byte: |
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182 return ConstantNode.forObject(Byte.valueOf((byte) sourceConstant.asInt()), runtime, box.graph()); |
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183 case Char: |
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184 return ConstantNode.forObject(Character.valueOf((char) sourceConstant.asInt()), runtime, box.graph()); |
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185 case Short: |
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186 return ConstantNode.forObject(Short.valueOf((short) sourceConstant.asInt()), runtime, box.graph()); |
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187 case Int: |
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188 return ConstantNode.forObject(Integer.valueOf(sourceConstant.asInt()), runtime, box.graph()); |
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189 case Long: |
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190 return ConstantNode.forObject(Long.valueOf(sourceConstant.asLong()), runtime, box.graph()); |
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191 case Float: |
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192 return ConstantNode.forObject(Float.valueOf(sourceConstant.asFloat()), runtime, box.graph()); |
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193 case Double: |
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194 return ConstantNode.forObject(Double.valueOf(sourceConstant.asDouble()), runtime, box.graph()); |
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195 default: |
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196 assert false : "Unexpected source kind for boxing"; |
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197 break; |
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198 } |
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199 } |
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200 return null; |
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201 } |
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202 |
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203 public static class Templates extends AbstractTemplates { |
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204 |
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205 private final EnumMap<Kind, SnippetInfo> boxSnippets = new EnumMap<>(Kind.class); |
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206 private final EnumMap<Kind, SnippetInfo> unboxSnippets = new EnumMap<>(Kind.class); |
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207 |
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208 public Templates(MetaAccessProvider runtime, Replacements replacements, TargetDescription target) { |
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209 super(runtime, replacements, target); |
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210 for (Kind kind : new Kind[]{Kind.Boolean, Kind.Byte, Kind.Char, Kind.Double, Kind.Float, Kind.Int, Kind.Long, Kind.Short}) { |
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211 boxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "ValueOf")); |
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212 unboxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "Value")); |
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213 } |
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214 } |
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215 |
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216 public void lower(BoxNode box) { |
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217 FloatingNode canonical = canonicalizeBoxing(box, runtime); |
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218 if (!AOTCompilation.getValue() && canonical != null) { |
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219 box.graph().replaceFixedWithFloating(box, canonical); |
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220 } else { |
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221 Arguments args = new Arguments(boxSnippets.get(box.getBoxingKind())); |
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222 args.add("value", box.getValue()); |
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223 |
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224 SnippetTemplate template = template(args); |
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225 Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", box.graph(), box, template, args); |
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226 template.instantiate(runtime, box, DEFAULT_REPLACER, args); |
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227 } |
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228 } |
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229 |
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230 public void lower(UnboxNode unbox) { |
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231 Arguments args = new Arguments(unboxSnippets.get(unbox.getBoxingKind())); |
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232 args.add("value", unbox.getValue()); |
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233 |
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234 SnippetTemplate template = template(args); |
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235 Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", unbox.graph(), unbox, template, args); |
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236 template.instantiate(runtime, unbox, DEFAULT_REPLACER, args); |
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237 } |
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238 } |
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239 |
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240 private static final SnippetCounter.Group integerCounters = SnippetCounters.getValue() ? new SnippetCounter.Group("Integer intrinsifications") : null; |
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241 private static final SnippetCounter valueOfCounter = new SnippetCounter(integerCounters, "valueOf", "valueOf intrinsification"); |
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242 |
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243 } |