Mercurial > projects > ldc
annotate gen/complex.cpp @ 161:3a891cfcd249 trunk
[svn r177] moved variable for interface info type from being local static to being within IRState
author | ChristianK |
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date | Sun, 04 May 2008 21:25:48 +0200 |
parents | 44a95ac7368a |
children | a64becf2a702 |
rev | line source |
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104
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1 #include "gen/llvm.h" |
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2 |
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3 #include "mtype.h" |
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4 #include "declaration.h" |
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5 |
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6 #include "gen/complex.h" |
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7 #include "gen/tollvm.h" |
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8 #include "gen/irstate.h" |
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9 #include "gen/dvalue.h" |
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10 |
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11 ////////////////////////////////////////////////////////////////////////////////////////// |
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12 |
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13 const llvm::StructType* DtoComplexType(Type* type) |
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14 { |
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15 Type* t = DtoDType(type); |
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16 |
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17 const llvm::Type* base = DtoComplexBaseType(t); |
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18 |
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19 std::vector<const llvm::Type*> types; |
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20 types.push_back(base); |
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21 types.push_back(base); |
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22 |
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23 return llvm::StructType::get(types); |
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24 } |
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25 |
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26 const llvm::Type* DtoComplexBaseType(Type* t) |
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27 { |
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28 TY ty = DtoDType(t)->ty; |
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29 const llvm::Type* base; |
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30 if (ty == Tcomplex32) { |
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31 return llvm::Type::FloatTy; |
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32 } |
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33 else if (ty == Tcomplex64 || ty == Tcomplex80) { |
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34 return llvm::Type::DoubleTy; |
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35 } |
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36 else { |
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37 assert(0); |
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38 } |
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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 llvm::Constant* DtoConstComplex(Type* ty, llvm::Constant* re, llvm::Constant* im) |
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44 { |
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45 assert(0); |
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46 const llvm::Type* base = DtoComplexBaseType(ty); |
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47 |
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48 std::vector<llvm::Constant*> inits; |
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49 inits.push_back(re); |
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50 inits.push_back(im); |
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51 |
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52 const llvm::VectorType* vt = llvm::VectorType::get(base, 2); |
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53 return llvm::ConstantVector::get(vt, inits); |
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54 } |
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55 |
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56 llvm::Constant* DtoConstComplex(Type* _ty, long double re, long double im) |
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57 { |
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58 TY ty = DtoDType(_ty)->ty; |
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59 |
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60 llvm::ConstantFP* fre; |
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61 llvm::ConstantFP* fim; |
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62 |
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63 const llvm::Type* base; |
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64 |
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65 if (ty == Tcomplex32) { |
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66 fre = DtoConstFP(Type::tfloat32, re); |
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67 fim = DtoConstFP(Type::tfloat32, im); |
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68 base = llvm::Type::FloatTy; |
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69 } |
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70 else if (ty == Tcomplex64 || ty == Tcomplex80) { |
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71 fre = DtoConstFP(Type::tfloat64, re); |
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72 fim = DtoConstFP(Type::tfloat64, im); |
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73 base = llvm::Type::DoubleTy; |
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74 } |
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75 else |
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76 assert(0); |
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77 |
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78 std::vector<llvm::Constant*> inits; |
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79 inits.push_back(fre); |
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80 inits.push_back(fim); |
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81 return llvm::ConstantStruct::get(DtoComplexType(_ty), inits); |
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82 } |
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83 |
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84 llvm::Constant* DtoUndefComplex(Type* _ty) |
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85 { |
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86 assert(0); |
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87 TY ty = DtoDType(_ty)->ty; |
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88 const llvm::Type* base; |
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89 if (ty == Tcomplex32) { |
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90 base = llvm::Type::FloatTy; |
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91 } |
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92 else if (ty == Tcomplex64 || ty == Tcomplex80) { |
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93 base = llvm::Type::DoubleTy; |
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94 } |
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95 else |
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96 assert(0); |
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97 |
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98 std::vector<llvm::Constant*> inits; |
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99 inits.push_back(llvm::UndefValue::get(base)); |
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100 inits.push_back(llvm::UndefValue::get(base)); |
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101 |
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102 const llvm::VectorType* vt = llvm::VectorType::get(base, 2); |
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103 return llvm::ConstantVector::get(vt, inits); |
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104 } |
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105 |
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106 ////////////////////////////////////////////////////////////////////////////////////////// |
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107 |
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108 llvm::Value* DtoRealPart(DValue* val) |
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109 { |
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110 assert(0); |
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111 return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(0), "tmp"); |
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112 } |
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113 |
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114 ////////////////////////////////////////////////////////////////////////////////////////// |
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115 |
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116 llvm::Value* DtoImagPart(DValue* val) |
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117 { |
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118 assert(0); |
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119 return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(1), "tmp"); |
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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 DValue* DtoComplex(Type* to, DValue* val) |
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125 { |
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126 Type* t = DtoDType(val->getType()); |
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127 TY ty = t->ty; |
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128 |
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129 if (val->isComplex() || t->iscomplex()) { |
107
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130 return DtoCastComplex(val, to); |
104
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131 } |
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132 |
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133 const llvm::Type* base = DtoComplexBaseType(to); |
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134 |
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135 llvm::Constant* undef = llvm::UndefValue::get(base); |
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136 llvm::Constant* zero; |
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137 if (ty == Tfloat32 || ty == Timaginary32 || ty == Tcomplex32) |
133
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138 zero = llvm::ConstantFP::get(llvm::Type::FloatTy, llvm::APFloat(0.0f)); |
104
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139 else if (ty == Tfloat64 || ty == Timaginary64 || ty == Tcomplex64 || ty == Tfloat80 || ty == Timaginary80 || ty == Tcomplex80) |
133
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140 zero = llvm::ConstantFP::get(llvm::Type::DoubleTy, llvm::APFloat(0.0)); |
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141 |
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142 if (t->isimaginary()) { |
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143 return new DComplexValue(to, zero, val->getRVal()); |
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144 } |
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145 else if (t->isfloating()) { |
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146 return new DComplexValue(to, val->getRVal(), zero); |
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147 } |
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148 else |
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149 assert(0); |
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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 void DtoComplexAssign(llvm::Value* l, llvm::Value* r) |
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155 { |
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156 DtoStore(DtoLoad(DtoGEPi(r, 0,0, "tmp")), DtoGEPi(l,0,0,"tmp")); |
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157 DtoStore(DtoLoad(DtoGEPi(r, 0,1, "tmp")), DtoGEPi(l,0,1,"tmp")); |
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158 } |
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159 |
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160 void DtoComplexSet(llvm::Value* c, llvm::Value* re, llvm::Value* im) |
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161 { |
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162 DtoStore(re, DtoGEPi(c,0,0,"tmp")); |
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163 DtoStore(im, DtoGEPi(c,0,1,"tmp")); |
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164 } |
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165 |
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166 ////////////////////////////////////////////////////////////////////////////////////////// |
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167 |
107
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168 void DtoGetComplexParts(DValue* c, llvm::Value*& re, llvm::Value*& im) |
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169 { |
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170 // lhs values |
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171 if (DComplexValue* cx = c->isComplex()) { |
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172 re = cx->re; |
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173 im = cx->im; |
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174 } |
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175 else { |
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176 re = DtoLoad(DtoGEPi(c->getRVal(),0,0,"tmp")); |
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177 im = DtoLoad(DtoGEPi(c->getRVal(),0,1,"tmp")); |
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178 } |
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179 } |
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180 |
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181 ////////////////////////////////////////////////////////////////////////////////////////// |
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182 |
104
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183 DValue* DtoComplexAdd(Type* type, DValue* lhs, DValue* rhs) |
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184 { |
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185 lhs = DtoComplex(type, lhs); |
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186 rhs = DtoComplex(type, rhs); |
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187 |
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188 llvm::Value *a, *b, *c, *d, *re, *im; |
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189 |
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190 // lhs values |
107
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191 DtoGetComplexParts(lhs, a, b); |
104
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192 // rhs values |
107
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193 DtoGetComplexParts(rhs, c, d); |
104
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194 |
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195 // add up |
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196 re = gIR->ir->CreateAdd(a, c, "tmp"); |
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197 im = gIR->ir->CreateAdd(b, d, "tmp"); |
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198 |
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199 return new DComplexValue(type, re, im); |
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200 } |
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201 |
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202 ////////////////////////////////////////////////////////////////////////////////////////// |
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203 |
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204 DValue* DtoComplexSub(Type* type, DValue* lhs, DValue* rhs) |
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205 { |
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206 lhs = DtoComplex(type, lhs); |
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207 rhs = DtoComplex(type, rhs); |
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208 |
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209 llvm::Value *a, *b, *c, *d, *re, *im; |
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210 |
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211 // lhs values |
107
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212 DtoGetComplexParts(lhs, a, b); |
104
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213 // rhs values |
107
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214 DtoGetComplexParts(rhs, c, d); |
104
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215 |
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216 // add up |
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217 re = gIR->ir->CreateSub(a, c, "tmp"); |
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218 im = gIR->ir->CreateSub(b, d, "tmp"); |
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219 |
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220 return new DComplexValue(type, re, im); |
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221 } |
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222 |
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223 ////////////////////////////////////////////////////////////////////////////////////////// |
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224 |
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225 DValue* DtoComplexMul(Type* type, DValue* lhs, DValue* rhs) |
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226 { |
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227 lhs = DtoComplex(type, lhs); |
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228 rhs = DtoComplex(type, rhs); |
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229 |
107
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230 llvm::Value *a, *b, *c, *d; |
104
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231 |
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232 // lhs values |
107
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233 DtoGetComplexParts(lhs, a, b); |
104
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234 // rhs values |
107
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|
235 DtoGetComplexParts(rhs, c, d); |
104
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|
236 |
107
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237 llvm::Value *tmp1, *tmp2, *re, *im; |
104
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238 |
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239 tmp1 = gIR->ir->CreateMul(a, c, "tmp"); |
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240 tmp2 = gIR->ir->CreateMul(b, d, "tmp"); |
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|
241 re = gIR->ir->CreateSub(tmp1, tmp2, "tmp"); |
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242 |
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243 tmp1 = gIR->ir->CreateMul(b, c, "tmp"); |
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244 tmp2 = gIR->ir->CreateMul(a, d, "tmp"); |
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245 im = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
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246 |
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247 return new DComplexValue(type, re, im); |
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248 } |
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249 |
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250 ////////////////////////////////////////////////////////////////////////////////////////// |
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251 |
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252 DValue* DtoComplexDiv(Type* type, DValue* lhs, DValue* rhs) |
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253 { |
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254 lhs = DtoComplex(type, lhs); |
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255 rhs = DtoComplex(type, rhs); |
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256 |
107
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257 llvm::Value *a, *b, *c, *d; |
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258 |
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259 // lhs values |
107
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260 DtoGetComplexParts(lhs, a, b); |
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261 // rhs values |
107
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262 DtoGetComplexParts(rhs, c, d); |
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263 |
107
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264 llvm::Value *tmp1, *tmp2, *denom, *re, *im; |
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265 |
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266 tmp1 = gIR->ir->CreateMul(c, c, "tmp"); |
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267 tmp2 = gIR->ir->CreateMul(d, d, "tmp"); |
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268 denom = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
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269 |
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270 tmp1 = gIR->ir->CreateMul(a, c, "tmp"); |
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271 tmp2 = gIR->ir->CreateMul(b, d, "tmp"); |
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272 re = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
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273 re = gIR->ir->CreateFDiv(re, denom, "tmp"); |
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274 |
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275 tmp1 = gIR->ir->CreateMul(b, c, "tmp"); |
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276 tmp2 = gIR->ir->CreateMul(a, d, "tmp"); |
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277 im = gIR->ir->CreateSub(tmp1, tmp2, "tmp"); |
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278 im = gIR->ir->CreateFDiv(im, denom, "tmp"); |
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279 |
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280 return new DComplexValue(type, re, im); |
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281 } |
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282 |
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283 ////////////////////////////////////////////////////////////////////////////////////////// |
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284 |
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285 llvm::Value* DtoComplexEquals(TOK op, DValue* lhs, DValue* rhs) |
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286 { |
107
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287 Type* type = lhs->getType(); |
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288 |
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289 lhs = DtoComplex(type, lhs); |
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290 rhs = DtoComplex(type, rhs); |
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291 |
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292 llvm::Value *a, *b, *c, *d; |
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293 |
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294 // lhs values |
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295 DtoGetComplexParts(lhs, a, b); |
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296 // rhs values |
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297 DtoGetComplexParts(rhs, c, d); |
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298 |
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299 // select predicate |
104
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300 llvm::FCmpInst::Predicate cmpop; |
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301 if (op == TOKequal) |
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302 cmpop = llvm::FCmpInst::FCMP_OEQ; |
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303 else |
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304 cmpop = llvm::FCmpInst::FCMP_UNE; |
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305 |
107
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306 // (l.re==r.re && l.im==r.im) |
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307 llvm::Value* b1 = new llvm::FCmpInst(cmpop, a, c, "tmp", gIR->scopebb()); |
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308 llvm::Value* b2 = new llvm::FCmpInst(cmpop, b, d, "tmp", gIR->scopebb()); |
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309 return gIR->ir->CreateAnd(b1,b2,"tmp"); |
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310 } |