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annotate ir/irtype.cpp @ 1650:40bd4a0d4870

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Update to work with LLVM 2.7. Removed use of dyn_cast, llvm no compiles without exceptions and rtti by default. We do need exceptions for the libconfig stuff, but rtti isn't necessary (anymore). Debug info needs to be rewritten, as in LLVM 2.7 the format has completely changed. To have something to look at while rewriting, the old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means that you have to define this to compile at the moment. Updated tango 0.99.9 patch to include updated EH runtime code, which is needed for LLVM 2.7 as well.
author Tomas Lindquist Olsen
date Wed, 19 May 2010 12:42:32 +0200
parents 8d086d552909
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "llvm/DerivedTypes.h"
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2 #include "llvm/LLVMContext.h"
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3 #include "mars.h"
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4 #include "mtype.h"
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5 #include "gen/irstate.h"
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6 #include "gen/logger.h"
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7 #include "ir/irtype.h"
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8
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9 // This code uses llvm::getGlobalContext() as these functions are invoked before gIR is set.
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10 // ... thus it segfaults on gIR==NULL
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11
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12 //////////////////////////////////////////////////////////////////////////////
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13
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14 extern const llvm::Type* DtoType(Type* dt);
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15 extern const llvm::Type* DtoSize_t();
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16
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17 //////////////////////////////////////////////////////////////////////////////
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18
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19 IrType::IrType(Type* dt, const llvm::Type* lt)
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20 : dtype(dt),
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21 pa(lt)
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22 {
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23 assert(dt && "null D Type");
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24 assert(lt && "null LLVM Type");
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25 assert(dt->irtype == NULL && "already has IrType");
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26 }
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27
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28 //////////////////////////////////////////////////////////////////////////////
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29 //////////////////////////////////////////////////////////////////////////////
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30 //////////////////////////////////////////////////////////////////////////////
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31
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32 IrTypeBasic::IrTypeBasic(Type * dt)
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33 : IrType(dt, basic2llvm(dt))
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34 {
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35 }
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36
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37 //////////////////////////////////////////////////////////////////////////////
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38
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39 const llvm::Type * IrTypeBasic::buildType()
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40 {
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41 return pa.get();
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42 }
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43
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44 //////////////////////////////////////////////////////////////////////////////
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45
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46 const llvm::Type * IrTypeBasic::basic2llvm(Type* t)
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47 {
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48 const llvm::Type* t2;
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49
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50 llvm::LLVMContext& ctx = llvm::getGlobalContext();
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51
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52 switch(t->ty)
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53 {
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54 case Tvoid:
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55 return llvm::Type::getVoidTy(ctx);
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56
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57 case Tint8:
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58 case Tuns8:
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59 case Tchar:
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60 return llvm::Type::getInt8Ty(ctx);
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61
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62 case Tint16:
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63 case Tuns16:
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64 case Twchar:
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65 return llvm::Type::getInt16Ty(ctx);
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66
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67 case Tint32:
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68 case Tuns32:
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69 case Tdchar:
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70 return llvm::Type::getInt32Ty(ctx);
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71
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72 case Tint64:
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73 case Tuns64:
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74 return llvm::Type::getInt64Ty(ctx);
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75
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76 /*
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77 case Tint128:
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78 case Tuns128:
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79 return llvm::IntegerType::get(llvm::getGlobalContext(), 128);
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80 */
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81
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82 case Tfloat32:
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83 case Timaginary32:
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84 return llvm::Type::getFloatTy(ctx);
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85
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86 case Tfloat64:
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87 case Timaginary64:
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88 return llvm::Type::getDoubleTy(ctx);
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89
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90 case Tfloat80:
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91 case Timaginary80:
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92 // only x86 has 80bit float
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93 if (global.params.cpu == ARCHx86 || global.params.cpu == ARCHx86_64)
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94 return llvm::Type::getX86_FP80Ty(ctx);
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95 // other platforms use 64bit reals
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96 else
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97 return llvm::Type::getDoubleTy(ctx);
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98
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99 case Tcomplex32:
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100 t2 = llvm::Type::getFloatTy(ctx);
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101 return llvm::StructType::get(ctx, t2, t2, NULL);
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102
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103 case Tcomplex64:
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104 t2 = llvm::Type::getDoubleTy(ctx);
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105 return llvm::StructType::get(ctx, t2, t2, NULL);
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106
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107 case Tcomplex80:
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108 t2 = (global.params.cpu == ARCHx86 || global.params.cpu == ARCHx86_64)
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109 ? llvm::Type::getX86_FP80Ty(ctx)
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110 : llvm::Type::getDoubleTy(ctx);
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111 return llvm::StructType::get(ctx, t2, t2, NULL);
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112
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113 case Tbool:
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114 return llvm::Type::getInt1Ty(ctx);
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115 }
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116
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117 assert(0 && "not basic type");
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118 return NULL;
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119 }
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120
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121 //////////////////////////////////////////////////////////////////////////////
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122 //////////////////////////////////////////////////////////////////////////////
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123 //////////////////////////////////////////////////////////////////////////////
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124
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125 IrTypePointer::IrTypePointer(Type * dt)
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126 : IrType(dt, llvm::OpaqueType::get(llvm::getGlobalContext()))
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127 {
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128 }
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129
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130 //////////////////////////////////////////////////////////////////////////////
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131
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132 const llvm::Type * IrTypePointer::buildType()
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133 {
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134 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo(
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135 pointer2llvm(dtype));
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136 return pa.get();
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137 }
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138
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139 //////////////////////////////////////////////////////////////////////////////
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140
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141 const llvm::Type * IrTypePointer::pointer2llvm(Type * dt)
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142 {
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143 assert(dt->ty == Tpointer && "not pointer type");
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144
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145 const llvm::Type* elemType = DtoType(dt->nextOf());
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146 if (elemType == llvm::Type::getVoidTy(llvm::getGlobalContext()))
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147 elemType = llvm::Type::getInt8Ty(llvm::getGlobalContext());
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148 return llvm::PointerType::get(elemType, 0);
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149 }
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150
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151 //////////////////////////////////////////////////////////////////////////////
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152 //////////////////////////////////////////////////////////////////////////////
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153 //////////////////////////////////////////////////////////////////////////////
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154
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155 IrTypeSArray::IrTypeSArray(Type * dt)
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156 : IrType(dt, llvm::OpaqueType::get(llvm::getGlobalContext()))
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157 {
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158 assert(dt->ty == Tsarray && "not static array type");
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159 TypeSArray* tsa = (TypeSArray*)dt;
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160 dim = (uint64_t)tsa->dim->toUInteger();
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161 }
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162
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163 //////////////////////////////////////////////////////////////////////////////
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164
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165 const llvm::Type * IrTypeSArray::buildType()
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166 {
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167 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo(
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168 sarray2llvm(dtype));
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169 return pa.get();
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170 }
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171
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172 //////////////////////////////////////////////////////////////////////////////
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173
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174 const llvm::Type * IrTypeSArray::sarray2llvm(Type * t)
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175 {
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176 const llvm::Type* elemType = DtoType(t->nextOf());
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177 if (elemType == llvm::Type::getVoidTy(llvm::getGlobalContext()))
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178 elemType = llvm::Type::getInt8Ty(llvm::getGlobalContext());
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179 return llvm::ArrayType::get(elemType, dim);
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180 }
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181
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182 //////////////////////////////////////////////////////////////////////////////
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183 //////////////////////////////////////////////////////////////////////////////
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184 //////////////////////////////////////////////////////////////////////////////
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185
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186 IrTypeArray::IrTypeArray(Type * dt)
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187 : IrType(dt, llvm::OpaqueType::get(llvm::getGlobalContext()))
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188 {
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189 }
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190
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191 //////////////////////////////////////////////////////////////////////////////
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192
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193 const llvm::Type * IrTypeArray::buildType()
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194 {
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195 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo(
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196 array2llvm(dtype));
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197 return pa.get();
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198 }
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199
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200 //////////////////////////////////////////////////////////////////////////////
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201
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202 const llvm::Type * IrTypeArray::array2llvm(Type * t)
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203 {
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204 assert(t->ty == Tarray && "not dynamic array type");
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205
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206 // get .ptr type
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207 const llvm::Type* elemType = DtoType(t->nextOf());
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208 if (elemType == llvm::Type::getVoidTy(llvm::getGlobalContext()))
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209 elemType = llvm::Type::getInt8Ty(llvm::getGlobalContext());
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210 elemType = llvm::PointerType::get(elemType, 0);
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211
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212 // create struct type
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213 const llvm::Type* at = llvm::StructType::get(llvm::getGlobalContext(), DtoSize_t(), elemType, NULL);
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214
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215 // name dynamic array types
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216 Type::sir->getState()->module->addTypeName(t->toChars(), at);
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217
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218 return at;
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219 }
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220
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221 //////////////////////////////////////////////////////////////////////////////
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222