Mercurial > projects > ldc
annotate gen/complex.cpp @ 314:8d98e42ece93 trunk
[svn r335] The basics of exception handling are in place.
Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance)
Still some rough edges and corner cases to figure out.
Needs testing!
author | ChristianK |
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date | Wed, 02 Jul 2008 22:20:18 +0200 |
parents | 4aa2b6753059 |
children | 926f65e39246 |
rev | line source |
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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/llvmhelpers.h" |
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9 #include "gen/irstate.h" |
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10 #include "gen/dvalue.h" |
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11 |
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12 ////////////////////////////////////////////////////////////////////////////////////////// |
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13 |
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14 const llvm::StructType* DtoComplexType(Type* type) |
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15 { |
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16 Type* t = DtoDType(type); |
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17 |
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18 const LLType* base = DtoComplexBaseType(t); |
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19 |
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20 std::vector<const LLType*> types; |
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21 types.push_back(base); |
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22 types.push_back(base); |
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23 |
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24 return llvm::StructType::get(types); |
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25 } |
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26 |
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27 const LLType* DtoComplexBaseType(Type* t) |
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28 { |
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29 TY ty = DtoDType(t)->ty; |
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30 const LLType* base; |
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31 if (ty == Tcomplex32) { |
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32 return LLType::FloatTy; |
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33 } |
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34 else if (ty == Tcomplex64) { |
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35 return LLType::DoubleTy; |
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36 } |
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37 else if (ty == Tcomplex80) { |
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38 return (global.params.useFP80) ? LLType::X86_FP80Ty : LLType::DoubleTy; |
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39 } |
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40 else { |
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41 assert(0); |
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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 |
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47 LLConstant* DtoConstComplex(Type* ty, LLConstant* re, LLConstant* im) |
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48 { |
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49 assert(0); |
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50 const LLType* base = DtoComplexBaseType(ty); |
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51 |
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52 std::vector<LLConstant*> inits; |
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53 inits.push_back(re); |
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54 inits.push_back(im); |
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55 |
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56 const llvm::VectorType* vt = llvm::VectorType::get(base, 2); |
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57 return llvm::ConstantVector::get(vt, inits); |
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58 } |
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59 |
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60 LLConstant* DtoConstComplex(Type* _ty, long double re, long double im) |
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61 { |
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62 TY ty = DtoDType(_ty)->ty; |
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63 |
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64 llvm::ConstantFP* fre; |
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65 llvm::ConstantFP* fim; |
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66 |
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67 Type* base = 0; |
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68 |
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69 if (ty == Tcomplex32) { |
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70 base = Type::tfloat32; |
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71 } |
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72 else if (ty == Tcomplex64) { |
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73 base = Type::tfloat64; |
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74 } |
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75 else if (ty == Tcomplex80) { |
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76 base = (global.params.useFP80) ? Type::tfloat80 : Type::tfloat64; |
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77 } |
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78 |
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79 std::vector<LLConstant*> inits; |
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80 inits.push_back(DtoConstFP(base, re)); |
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81 inits.push_back(DtoConstFP(base, im)); |
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82 |
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83 return llvm::ConstantStruct::get(DtoComplexType(_ty), inits); |
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84 } |
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85 |
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86 ////////////////////////////////////////////////////////////////////////////////////////// |
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87 |
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88 LLValue* DtoRealPart(DValue* val) |
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89 { |
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90 assert(0); |
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91 return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(0), "tmp"); |
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92 } |
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93 |
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94 ////////////////////////////////////////////////////////////////////////////////////////// |
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95 |
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96 LLValue* DtoImagPart(DValue* val) |
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97 { |
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98 assert(0); |
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99 return gIR->ir->CreateExtractElement(val->getRVal(), DtoConstUint(1), "tmp"); |
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100 } |
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101 |
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102 ////////////////////////////////////////////////////////////////////////////////////////// |
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103 |
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104 DValue* DtoComplex(Type* to, DValue* val) |
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105 { |
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106 Type* t = DtoDType(val->getType()); |
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107 TY ty = t->ty; |
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108 |
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109 if (val->isComplex() || t->iscomplex()) { |
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110 return DtoCastComplex(val, to); |
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111 } |
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112 |
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113 const LLType* base = DtoComplexBaseType(to); |
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114 |
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115 LLConstant* undef = llvm::UndefValue::get(base); |
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116 LLConstant* zero; |
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117 if (ty == Tfloat32 || ty == Timaginary32 || ty == Tcomplex32) |
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118 zero = LLConstant::getNullValue(DtoType(Type::tfloat32)); // llvm::ConstantFP::get(llvm::APFloat(0.0f)); |
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119 else if (ty == Tfloat64 || ty == Timaginary64 || ty == Tcomplex64) |
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120 zero = LLConstant::getNullValue(DtoType(Type::tfloat64)); |
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lindquist
parents:
213
diff
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121 else if (ty == Tfloat80 || ty == Timaginary80 || ty == Tcomplex80) |
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[svn r233] Added: -oq command line option for writing fully qualified object names.
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parents:
213
diff
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|
122 zero = LLConstant::getNullValue(DtoType((global.params.useFP80)?Type::tfloat80:Type::tfloat64)); |
104
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parents:
diff
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|
123 |
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parents:
diff
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|
124 if (t->isimaginary()) { |
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125 return new DComplexValue(to, zero, val->getRVal()); |
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|
126 } |
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diff
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127 else if (t->isfloating()) { |
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|
128 return new DComplexValue(to, val->getRVal(), zero); |
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129 } |
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diff
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130 else |
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diff
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131 assert(0); |
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diff
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|
132 } |
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diff
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|
133 |
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diff
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|
134 ////////////////////////////////////////////////////////////////////////////////////////// |
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135 |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
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205
diff
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|
136 void DtoComplexAssign(LLValue* l, LLValue* r) |
104
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diff
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|
137 { |
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138 DtoStore(DtoLoad(DtoGEPi(r, 0,0, "tmp")), DtoGEPi(l,0,0,"tmp")); |
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139 DtoStore(DtoLoad(DtoGEPi(r, 0,1, "tmp")), DtoGEPi(l,0,1,"tmp")); |
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diff
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|
140 } |
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parents:
diff
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|
141 |
213
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205
diff
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|
142 void DtoComplexSet(LLValue* c, LLValue* re, LLValue* im) |
104
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diff
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|
143 { |
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diff
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|
144 DtoStore(re, DtoGEPi(c,0,0,"tmp")); |
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|
145 DtoStore(im, DtoGEPi(c,0,1,"tmp")); |
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diff
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|
146 } |
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parents:
diff
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|
147 |
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parents:
diff
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|
148 ////////////////////////////////////////////////////////////////////////////////////////// |
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diff
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|
149 |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
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205
diff
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|
150 void DtoGetComplexParts(DValue* c, LLValue*& re, LLValue*& im) |
107
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104
diff
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|
151 { |
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104
diff
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|
152 // lhs values |
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104
diff
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|
153 if (DComplexValue* cx = c->isComplex()) { |
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lindquist
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104
diff
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|
154 re = cx->re; |
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lindquist
parents:
104
diff
changeset
|
155 im = cx->im; |
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
156 } |
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
157 else { |
3efbcc81ba45
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lindquist
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104
diff
changeset
|
158 re = DtoLoad(DtoGEPi(c->getRVal(),0,0,"tmp")); |
3efbcc81ba45
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lindquist
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104
diff
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|
159 im = DtoLoad(DtoGEPi(c->getRVal(),0,1,"tmp")); |
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lindquist
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104
diff
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|
160 } |
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lindquist
parents:
104
diff
changeset
|
161 } |
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
162 |
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lindquist
parents:
104
diff
changeset
|
163 ////////////////////////////////////////////////////////////////////////////////////////// |
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lindquist
parents:
104
diff
changeset
|
164 |
104
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lindquist
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diff
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|
165 DValue* DtoComplexAdd(Type* type, DValue* lhs, DValue* rhs) |
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diff
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|
166 { |
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diff
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|
167 lhs = DtoComplex(type, lhs); |
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diff
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|
168 rhs = DtoComplex(type, rhs); |
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|
169 |
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diff
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|
170 llvm::Value *a, *b, *c, *d, *re, *im; |
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diff
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|
171 |
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diff
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|
172 // lhs values |
107
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lindquist
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104
diff
changeset
|
173 DtoGetComplexParts(lhs, a, b); |
104
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diff
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|
174 // rhs values |
107
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lindquist
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104
diff
changeset
|
175 DtoGetComplexParts(rhs, c, d); |
104
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diff
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|
176 |
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diff
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|
177 // add up |
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|
178 re = gIR->ir->CreateAdd(a, c, "tmp"); |
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|
179 im = gIR->ir->CreateAdd(b, d, "tmp"); |
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diff
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|
180 |
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diff
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|
181 return new DComplexValue(type, re, im); |
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diff
changeset
|
182 } |
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parents:
diff
changeset
|
183 |
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parents:
diff
changeset
|
184 ////////////////////////////////////////////////////////////////////////////////////////// |
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diff
changeset
|
185 |
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parents:
diff
changeset
|
186 DValue* DtoComplexSub(Type* type, DValue* lhs, DValue* rhs) |
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parents:
diff
changeset
|
187 { |
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diff
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|
188 lhs = DtoComplex(type, lhs); |
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diff
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|
189 rhs = DtoComplex(type, rhs); |
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diff
changeset
|
190 |
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lindquist
parents:
diff
changeset
|
191 llvm::Value *a, *b, *c, *d, *re, *im; |
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parents:
diff
changeset
|
192 |
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lindquist
parents:
diff
changeset
|
193 // lhs values |
107
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
194 DtoGetComplexParts(lhs, a, b); |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
195 // rhs values |
107
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
196 DtoGetComplexParts(rhs, c, d); |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
197 |
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lindquist
parents:
diff
changeset
|
198 // add up |
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lindquist
parents:
diff
changeset
|
199 re = gIR->ir->CreateSub(a, c, "tmp"); |
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lindquist
parents:
diff
changeset
|
200 im = gIR->ir->CreateSub(b, d, "tmp"); |
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parents:
diff
changeset
|
201 |
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lindquist
parents:
diff
changeset
|
202 return new DComplexValue(type, re, im); |
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lindquist
parents:
diff
changeset
|
203 } |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
204 |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
205 ////////////////////////////////////////////////////////////////////////////////////////// |
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lindquist
parents:
diff
changeset
|
206 |
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lindquist
parents:
diff
changeset
|
207 DValue* DtoComplexMul(Type* type, DValue* lhs, DValue* rhs) |
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lindquist
parents:
diff
changeset
|
208 { |
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lindquist
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diff
changeset
|
209 lhs = DtoComplex(type, lhs); |
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lindquist
parents:
diff
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|
210 rhs = DtoComplex(type, rhs); |
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lindquist
parents:
diff
changeset
|
211 |
107
3efbcc81ba45
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lindquist
parents:
104
diff
changeset
|
212 llvm::Value *a, *b, *c, *d; |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
213 |
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lindquist
parents:
diff
changeset
|
214 // lhs values |
107
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lindquist
parents:
104
diff
changeset
|
215 DtoGetComplexParts(lhs, a, b); |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
216 // rhs values |
107
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lindquist
parents:
104
diff
changeset
|
217 DtoGetComplexParts(rhs, c, d); |
104
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lindquist
parents:
diff
changeset
|
218 |
107
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lindquist
parents:
104
diff
changeset
|
219 llvm::Value *tmp1, *tmp2, *re, *im; |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
220 |
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lindquist
parents:
diff
changeset
|
221 tmp1 = gIR->ir->CreateMul(a, c, "tmp"); |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
diff
changeset
|
222 tmp2 = gIR->ir->CreateMul(b, d, "tmp"); |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
diff
changeset
|
223 re = gIR->ir->CreateSub(tmp1, tmp2, "tmp"); |
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[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
diff
changeset
|
224 |
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lindquist
parents:
diff
changeset
|
225 tmp1 = gIR->ir->CreateMul(b, c, "tmp"); |
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lindquist
parents:
diff
changeset
|
226 tmp2 = gIR->ir->CreateMul(a, d, "tmp"); |
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lindquist
parents:
diff
changeset
|
227 im = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
228 |
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lindquist
parents:
diff
changeset
|
229 return new DComplexValue(type, re, im); |
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lindquist
parents:
diff
changeset
|
230 } |
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lindquist
parents:
diff
changeset
|
231 |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
232 ////////////////////////////////////////////////////////////////////////////////////////// |
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lindquist
parents:
diff
changeset
|
233 |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
234 DValue* DtoComplexDiv(Type* type, DValue* lhs, DValue* rhs) |
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lindquist
parents:
diff
changeset
|
235 { |
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lindquist
parents:
diff
changeset
|
236 lhs = DtoComplex(type, lhs); |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
237 rhs = DtoComplex(type, rhs); |
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
238 |
107
3efbcc81ba45
[svn r111] Fixed most problems with complex number support and added typeinfo for them.
lindquist
parents:
104
diff
changeset
|
239 llvm::Value *a, *b, *c, *d; |
104
4d1e9eb001e0
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lindquist
parents:
diff
changeset
|
240 |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
diff
changeset
|
241 // lhs values |
107
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242 DtoGetComplexParts(lhs, a, b); |
104
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243 // rhs values |
107
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244 DtoGetComplexParts(rhs, c, d); |
104
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245 |
107
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246 llvm::Value *tmp1, *tmp2, *denom, *re, *im; |
104
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247 |
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248 tmp1 = gIR->ir->CreateMul(c, c, "tmp"); |
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249 tmp2 = gIR->ir->CreateMul(d, d, "tmp"); |
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250 denom = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
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251 |
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252 tmp1 = gIR->ir->CreateMul(a, c, "tmp"); |
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253 tmp2 = gIR->ir->CreateMul(b, d, "tmp"); |
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254 re = gIR->ir->CreateAdd(tmp1, tmp2, "tmp"); |
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255 re = gIR->ir->CreateFDiv(re, denom, "tmp"); |
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256 |
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257 tmp1 = gIR->ir->CreateMul(b, c, "tmp"); |
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258 tmp2 = gIR->ir->CreateMul(a, d, "tmp"); |
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259 im = gIR->ir->CreateSub(tmp1, tmp2, "tmp"); |
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260 im = gIR->ir->CreateFDiv(im, denom, "tmp"); |
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261 |
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262 return new DComplexValue(type, re, im); |
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263 } |
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264 |
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265 ////////////////////////////////////////////////////////////////////////////////////////// |
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266 |
164
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267 DValue* DtoComplexNeg(Type* type, DValue* val) |
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268 { |
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269 val = DtoComplex(type, val); |
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270 |
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271 llvm::Value *a, *b, *re, *im; |
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272 |
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273 // values |
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274 DtoGetComplexParts(val, a, b); |
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275 |
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276 // sub up |
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277 re = gIR->ir->CreateNeg(a, "tmp"); |
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278 im = gIR->ir->CreateNeg(b, "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 |
213
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285 LLValue* DtoComplexEquals(TOK op, DValue* lhs, DValue* rhs) |
104
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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; |
104
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293 |
107
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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; |
107
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301 if (op == TOKequal) |
104
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302 cmpop = llvm::FCmpInst::FCMP_OEQ; |
107
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303 else |
104
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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) |
213
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307 LLValue* b1 = new llvm::FCmpInst(cmpop, a, c, "tmp", gIR->scopebb()); |
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308 LLValue* b2 = new llvm::FCmpInst(cmpop, b, d, "tmp", gIR->scopebb()); |
104
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309 return gIR->ir->CreateAnd(b1,b2,"tmp"); |
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310 } |
244
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311 |
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312 ////////////////////////////////////////////////////////////////////////////////////////// |
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313 |
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314 DValue* DtoCastComplex(DValue* val, Type* _to) |
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315 { |
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316 Type* to = DtoDType(_to); |
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317 Type* vty = val->getType(); |
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318 if (to->iscomplex()) { |
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319 if (vty->size() == to->size()) |
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320 return val; |
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321 |
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322 llvm::Value *re, *im; |
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323 DtoGetComplexParts(val, re, im); |
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324 const LLType* toty = DtoComplexBaseType(to); |
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325 |
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326 if (to->size() < vty->size()) { |
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327 re = gIR->ir->CreateFPTrunc(re, toty, "tmp"); |
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328 im = gIR->ir->CreateFPTrunc(im, toty, "tmp"); |
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329 } |
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330 else if (to->size() > vty->size()) { |
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331 re = gIR->ir->CreateFPExt(re, toty, "tmp"); |
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332 im = gIR->ir->CreateFPExt(im, toty, "tmp"); |
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333 } |
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334 else { |
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335 return val; |
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336 } |
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337 |
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338 if (val->isComplex()) |
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339 return new DComplexValue(_to, re, im); |
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340 |
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341 // unfortunately at this point, the cast value can show up as the lvalue for += and similar expressions. |
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342 // so we need to give it storage, or fix the system that handles this stuff (DLRValue) |
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343 LLValue* mem = new llvm::AllocaInst(DtoType(_to), "castcomplextmp", gIR->topallocapoint()); |
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344 DtoComplexSet(mem, re, im); |
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345 return new DLRValue(val->getType(), val->getRVal(), _to, mem); |
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346 } |
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347 else if (to->isimaginary()) { |
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348 if (val->isComplex()) |
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349 return new DImValue(to, val->isComplex()->im); |
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350 LLValue* v = val->getRVal(); |
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351 DImValue* im = new DImValue(to, DtoLoad(DtoGEPi(v,0,1,"tmp"))); |
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352 return DtoCastFloat(im, to); |
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353 } |
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354 else if (to->isfloating()) { |
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355 if (val->isComplex()) |
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356 return new DImValue(to, val->isComplex()->re); |
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357 LLValue* v = val->getRVal(); |
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358 DImValue* re = new DImValue(to, DtoLoad(DtoGEPi(v,0,0,"tmp"))); |
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359 return DtoCastFloat(re, to); |
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360 } |
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361 else |
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362 assert(0); |
303 | 363 } |
364 |