Mercurial > projects > ldc
annotate ir/irtype.cpp @ 1350:15e9762bb620
Adds explicit alignment information for alloca instructions in general, there's a few cases that still needs to be looked at but this should catch the majority. Fixes ticket #293 .
author | Tomas Lindquist Olsen <tomas.l.olsen gmail com> |
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date | Thu, 14 May 2009 13:26:40 +0200 |
parents | 79758fd2f48a |
children | 46f6365a50d7 |
rev | line source |
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1 #include "llvm/DerivedTypes.h" |
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2 #include "mars.h" |
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3 #include "mtype.h" |
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4 #include "gen/irstate.h" |
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5 #include "gen/logger.h" |
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6 #include "ir/irtype.h" |
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7 |
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8 ////////////////////////////////////////////////////////////////////////////// |
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9 |
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10 extern const llvm::Type* DtoType(Type* dt); |
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11 extern const llvm::Type* DtoSize_t(); |
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12 |
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13 ////////////////////////////////////////////////////////////////////////////// |
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14 |
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15 IrType::IrType(Type* dt, const llvm::Type* lt) |
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16 : dtype(dt), |
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17 pa(lt) |
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18 { |
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19 assert(dt && "null D Type"); |
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20 assert(lt && "null LLVM Type"); |
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21 assert(dt->ir.type == NULL && "llvm type (old one) already set"); |
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22 dt->ir.type = &pa; |
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23 } |
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24 |
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25 ////////////////////////////////////////////////////////////////////////////// |
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26 ////////////////////////////////////////////////////////////////////////////// |
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27 ////////////////////////////////////////////////////////////////////////////// |
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28 |
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29 IrTypeBasic::IrTypeBasic(Type * dt) |
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30 : IrType(dt, basic2llvm(dt)) |
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31 { |
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32 } |
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33 |
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34 ////////////////////////////////////////////////////////////////////////////// |
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35 |
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36 const llvm::Type * IrTypeBasic::buildType() |
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37 { |
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38 return pa.get(); |
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39 } |
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40 |
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41 ////////////////////////////////////////////////////////////////////////////// |
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42 |
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43 const llvm::Type * IrTypeBasic::basic2llvm(Type* t) |
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44 { |
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45 const llvm::Type* t2; |
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46 |
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47 switch(t->ty) |
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48 { |
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49 case Tvoid: |
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50 return llvm::Type::VoidTy; |
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51 |
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52 case Tint8: |
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53 case Tuns8: |
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54 case Tchar: |
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55 return llvm::Type::Int8Ty; |
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56 |
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57 case Tint16: |
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58 case Tuns16: |
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59 case Twchar: |
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60 return llvm::Type::Int16Ty; |
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61 |
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62 case Tint32: |
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63 case Tuns32: |
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64 case Tdchar: |
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65 return llvm::Type::Int32Ty; |
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66 |
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67 case Tint64: |
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68 case Tuns64: |
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69 return llvm::Type::Int64Ty; |
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70 |
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71 /* |
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72 case Tint128: |
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73 case Tuns128: |
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74 return llvm::IntegerType::get(128); |
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75 */ |
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76 |
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77 case Tfloat32: |
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78 case Timaginary32: |
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79 return llvm::Type::FloatTy; |
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80 |
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81 case Tfloat64: |
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82 case Timaginary64: |
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83 return llvm::Type::DoubleTy; |
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84 |
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85 case Tfloat80: |
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86 case Timaginary80: |
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87 // only x86 has 80bit float |
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88 if (global.params.cpu == ARCHx86 || global.params.cpu == ARCHx86_64) |
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89 return llvm::Type::X86_FP80Ty; |
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90 // other platforms use 64bit reals |
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91 else |
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92 return llvm::Type::DoubleTy; |
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93 |
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94 case Tcomplex32: |
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95 t2 = llvm::Type::FloatTy; |
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96 return llvm::StructType::get(t2, t2, NULL); |
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97 |
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98 case Tcomplex64: |
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99 t2 = llvm::Type::DoubleTy; |
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100 return llvm::StructType::get(t2, t2, NULL); |
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101 |
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102 case Tcomplex80: |
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103 t2 = (global.params.cpu == ARCHx86 || global.params.cpu == ARCHx86_64) |
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104 ? llvm::Type::X86_FP80Ty |
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105 : llvm::Type::DoubleTy; |
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106 return llvm::StructType::get(t2, t2, NULL); |
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107 |
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108 case Tbool: |
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109 return llvm::Type::Int1Ty; |
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110 } |
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111 |
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112 assert(0 && "not basic type"); |
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113 return NULL; |
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114 } |
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115 |
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116 ////////////////////////////////////////////////////////////////////////////// |
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117 ////////////////////////////////////////////////////////////////////////////// |
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118 ////////////////////////////////////////////////////////////////////////////// |
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119 |
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120 IrTypePointer::IrTypePointer(Type * dt) |
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121 : IrType(dt, llvm::OpaqueType::get()) |
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122 { |
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123 } |
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124 |
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125 ////////////////////////////////////////////////////////////////////////////// |
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126 |
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127 const llvm::Type * IrTypePointer::buildType() |
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128 { |
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129 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo( |
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130 pointer2llvm(dtype)); |
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131 return pa.get(); |
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132 } |
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133 |
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134 ////////////////////////////////////////////////////////////////////////////// |
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135 |
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136 const llvm::Type * IrTypePointer::pointer2llvm(Type * dt) |
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137 { |
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138 assert(dt->ty == Tpointer && "not pointer type"); |
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139 |
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140 const llvm::Type* elemType = DtoType(dt->nextOf()); |
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141 if (elemType == llvm::Type::VoidTy) |
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142 elemType = llvm::Type::Int8Ty; |
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143 return llvm::PointerType::get(elemType, 0); |
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144 } |
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145 |
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146 ////////////////////////////////////////////////////////////////////////////// |
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147 ////////////////////////////////////////////////////////////////////////////// |
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148 ////////////////////////////////////////////////////////////////////////////// |
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149 |
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150 IrTypeSArray::IrTypeSArray(Type * dt) |
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151 : IrType(dt, llvm::OpaqueType::get()) |
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152 { |
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153 assert(dt->ty == Tsarray && "not static array type"); |
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154 TypeSArray* tsa = (TypeSArray*)dt; |
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155 dim = (uint64_t)tsa->dim->toUInteger(); |
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156 } |
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157 |
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158 ////////////////////////////////////////////////////////////////////////////// |
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159 |
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160 const llvm::Type * IrTypeSArray::buildType() |
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161 { |
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162 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo( |
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163 sarray2llvm(dtype)); |
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164 return pa.get(); |
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165 } |
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166 |
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167 ////////////////////////////////////////////////////////////////////////////// |
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168 |
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169 const llvm::Type * IrTypeSArray::sarray2llvm(Type * t) |
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170 { |
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171 const llvm::Type* elemType = DtoType(t->nextOf()); |
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172 if (elemType == llvm::Type::VoidTy) |
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173 elemType = llvm::Type::Int8Ty; |
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174 return llvm::ArrayType::get(elemType, dim); |
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175 } |
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176 |
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177 ////////////////////////////////////////////////////////////////////////////// |
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178 ////////////////////////////////////////////////////////////////////////////// |
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179 ////////////////////////////////////////////////////////////////////////////// |
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180 |
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181 IrTypeArray::IrTypeArray(Type * dt) |
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182 : IrType(dt, llvm::OpaqueType::get()) |
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183 { |
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184 } |
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185 |
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186 ////////////////////////////////////////////////////////////////////////////// |
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187 |
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188 const llvm::Type * IrTypeArray::buildType() |
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189 { |
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190 llvm::cast<llvm::OpaqueType>(pa.get())->refineAbstractTypeTo( |
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191 array2llvm(dtype)); |
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192 return pa.get(); |
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193 } |
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194 |
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195 ////////////////////////////////////////////////////////////////////////////// |
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196 |
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197 const llvm::Type * IrTypeArray::array2llvm(Type * t) |
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198 { |
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199 assert(t->ty == Tarray && "not dynamic array type"); |
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200 |
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201 // get .ptr type |
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202 const llvm::Type* elemType = DtoType(t->nextOf()); |
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203 if (elemType == llvm::Type::VoidTy) |
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204 elemType = llvm::Type::Int8Ty; |
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205 elemType = llvm::PointerType::get(elemType, 0); |
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206 |
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207 // create struct type |
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208 const llvm::Type* at = llvm::StructType::get(DtoSize_t(), elemType, NULL); |
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209 |
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210 // name dynamic array types |
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211 Type::sir->getState()->module->addTypeName(t->toChars(), at); |
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212 |
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213 return at; |
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214 } |
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215 |
3251ce06c820
Started seperating type resolution from the rest of codegen again, the merge had too many regressions.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
diff
changeset
|
216 ////////////////////////////////////////////////////////////////////////////// |
3251ce06c820
Started seperating type resolution from the rest of codegen again, the merge had too many regressions.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
parents:
diff
changeset
|
217 |