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annotate gen/dvalue.h @ 486:a34078905d01

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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in. Reimplemented support for nested functions/class using a new approach. Added error on taking address of intrinsic. Fixed problems with the ->syntaxCopy of TypeFunction delegate exp. Removed DtoDType and replaced all uses with ->toBasetype() instead. Removed unused inplace stuff. Fixed a bunch of issues in the runtime unittests, not complete yet. Added mini tests.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Sun, 10 Aug 2008 08:37:38 +0200
parents 45a67b6f1310
children fbb1a366cfbc
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1 #ifndef LLVMDC_GEN_DVALUE_H
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2 #define LLVMDC_GEN_DVALUE_H
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3
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4 /*
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5 These classes are used for generating the IR. They encapsulate D values and
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6 provide a common interface to the most common operations. When more specialized
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7 handling is necessary, they hold enough information to do-the-right-thing (TM)
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8 */
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9
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10 #include <cassert>
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11 #include "root.h"
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12
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13 struct Type;
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14 struct Dsymbol;
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15 struct VarDeclaration;
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16 struct FuncDeclaration;
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17
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18 namespace llvm
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19 {
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20 class Value;
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21 class Type;
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22 class Constant;
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23 }
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24
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25 struct DImValue;
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26 struct DConstValue;
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27 struct DNullValue;
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28 struct DVarValue;
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29 struct DFieldValue;
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30 struct DFuncValue;
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31 struct DSliceValue;
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32 struct DArrayLenValue;
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33 struct DLRValue;
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34 struct DComplexValue;
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35
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36 // base class for d-values
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37 struct DValue : Object
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38 {
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39 virtual Type*& getType() = 0;
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40
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41 virtual LLValue* getLVal() { assert(0); return 0; }
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42 virtual LLValue* getRVal() { assert(0); return 0; }
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43
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44 virtual bool isLVal() { return false; }
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45
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46 virtual DImValue* isIm() { return NULL; }
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47 virtual DConstValue* isConst() { return NULL; }
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48 virtual DNullValue* isNull() { return NULL; }
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49 virtual DVarValue* isVar() { return NULL; }
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50 virtual DFieldValue* isField() { return NULL; }
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51 virtual DSliceValue* isSlice() { return NULL; }
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52 virtual DFuncValue* isFunc() { return NULL; }
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53 virtual DArrayLenValue* isArrayLen() { return NULL; }
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54 virtual DComplexValue* isComplex() { return NULL; }
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55 virtual DLRValue* isLRValue() { return NULL; }
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56
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57 protected:
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58 DValue() {}
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59 DValue(const DValue&) { }
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60 DValue& operator=(const DValue&) { return *this; }
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61 };
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62
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63 // immediate d-value
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64 struct DImValue : DValue
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65 {
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66 Type* type;
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67 LLValue* val;
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68
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69 DImValue(Type* t, LLValue* v) : type(t), val(v) { }
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71 virtual LLValue* getRVal() { assert(val); return val; }
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72
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73 virtual Type*& getType() { assert(type); return type; }
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74 virtual DImValue* isIm() { return this; }
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75 };
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76
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77 // constant d-value
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78 struct DConstValue : DValue
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79 {
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80 Type* type;
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81 LLConstant* c;
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83 DConstValue(Type* t, LLConstant* con) { type = t; c = con; }
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85 virtual LLValue* getRVal();
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87 virtual Type*& getType() { assert(type); return type; }
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88 virtual DConstValue* isConst() { return this; }
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89 };
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90
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91 // null d-value
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92 struct DNullValue : DConstValue
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93 {
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94 DNullValue(Type* t, LLConstant* con) : DConstValue(t,con) {}
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95 virtual DNullValue* isNull() { return this; }
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96 };
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97
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98 // variable d-value
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99 struct DVarValue : DValue
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100 {
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101 Type* type;
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102 VarDeclaration* var;
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103 LLValue* val;
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104 LLValue* rval;
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105 bool lval;
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106
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107 DVarValue(Type* t, VarDeclaration* vd, LLValue* llvmValue, bool lvalue);
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108 DVarValue(Type* t, LLValue* lv, LLValue* rv);
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109 DVarValue(Type* t, LLValue* llvmValue, bool lvalue);
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110
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111 virtual bool isLVal() { return val && lval; }
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112 virtual LLValue* getLVal();
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113 virtual LLValue* getRVal();
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114
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115 virtual Type*& getType() { assert(type); return type; }
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116 virtual DVarValue* isVar() { return this; }
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117 };
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118
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119 // field d-value
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120 struct DFieldValue : DVarValue
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121 {
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122 DFieldValue(Type* t, LLValue* llvmValue, bool l) : DVarValue(t, llvmValue, l) {}
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123 virtual DFieldValue* isField() { return this; }
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124 };
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125
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126 // slice d-value
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127 struct DSliceValue : DValue
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128 {
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129 Type* type;
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130 LLValue* len;
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131 LLValue* ptr;
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132
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133 DSliceValue(Type* t, LLValue* l, LLValue* p) { type=t; ptr=p; len=l; }
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134
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135 virtual Type*& getType() { assert(type); return type; }
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136 virtual DSliceValue* isSlice() { return this; }
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137 };
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138
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139 // function d-value
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140 struct DFuncValue : DValue
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141 {
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142 Type* type;
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143 FuncDeclaration* func;
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144 LLValue* val;
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145 LLValue* vthis;
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146
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147 DFuncValue(FuncDeclaration* fd, LLValue* v, LLValue* vt = 0);
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148
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149 virtual LLValue* getRVal();
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150
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151 virtual Type*& getType() { assert(type); return type; }
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152 virtual DFuncValue* isFunc() { return this; }
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153 };
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154
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155 // l-value and r-value pair d-value
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156 struct DLRValue : DValue
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157 {
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158 DValue* lvalue;
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159 DValue* rvalue;
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160
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161 DLRValue(DValue* lval, DValue* rval) {
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162 lvalue = lval;
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163 rvalue = rval;
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164 }
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165
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166 virtual bool isLVal() { return true; }
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167 virtual LLValue* getLVal() { return lvalue->isLVal() ? lvalue->getLVal() : lvalue->getRVal(); }
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168 virtual LLValue* getRVal() { return rvalue->getRVal(); }
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169
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170 Type*& getLType() { return lvalue->getType(); }
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171 Type*& getRType() { return rvalue->getType(); }
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172 virtual Type*& getType() { return getRType(); }
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173 virtual DLRValue* isLRValue() { return this; }
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174 };
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175
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176 // complex number immediate d-value (much like slice)
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177 struct DComplexValue : DValue
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178 {
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179 Type* type;
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180 LLValue* re;
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181 LLValue* im;
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182
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183 DComplexValue(Type* t, LLValue* r, LLValue* i) {
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184 type = t;
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185 re = r;
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186 im = i;
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187 }
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188
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189 virtual Type*& getType() { assert(type); return type; }
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190 virtual DComplexValue* isComplex() { return this; }
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191 };
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192
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193 #endif // LLVMDC_GEN_DVALUE_H