Mercurial > projects > ldc
annotate gen/functions.cpp @ 739:1ae94fb1dbbd
Fix accidental double-inreg caused by shared TupleType. Enabled inreg by default.
author | Christian Kamm <kamm incasoftware de> |
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date | Thu, 30 Oct 2008 10:16:37 +0100 |
parents | 6de2ed4f0abe |
children | 2d7bcfa68128 |
rev | line source |
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100 | 1 #include "gen/llvm.h" |
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2 #include "llvm/Support/CFG.h" |
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3 #include "llvm/Intrinsics.h" |
100 | 4 |
5 #include "mtype.h" | |
6 #include "aggregate.h" | |
7 #include "init.h" | |
8 #include "declaration.h" | |
9 #include "template.h" | |
10 #include "module.h" | |
11 #include "statement.h" | |
12 | |
13 #include "gen/irstate.h" | |
14 #include "gen/tollvm.h" | |
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15 #include "gen/llvmhelpers.h" |
100 | 16 #include "gen/runtime.h" |
17 #include "gen/arrays.h" | |
18 #include "gen/logger.h" | |
19 #include "gen/functions.h" | |
20 #include "gen/todebug.h" | |
21 #include "gen/classes.h" | |
131 | 22 #include "gen/dvalue.h" |
100 | 23 |
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24 #include <algorithm> |
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25 |
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26 const llvm::FunctionType* DtoFunctionType(Type* type, const LLType* thistype, const LLType* nesttype, bool ismain) |
100 | 27 { |
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28 assert(type->ty == Tfunction); |
100 | 29 TypeFunction* f = (TypeFunction*)type; |
30 | |
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31 if (type->ir.type != NULL) { |
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32 return llvm::cast<llvm::FunctionType>(type->ir.type->get()); |
100 | 33 } |
34 | |
35 bool typesafeVararg = false; | |
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36 bool arrayVararg = false; |
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37 if (f->linkage == LINKd) |
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38 { |
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39 if (f->varargs == 1) |
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40 typesafeVararg = true; |
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41 else if (f->varargs == 2) |
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42 arrayVararg = true; |
100 | 43 } |
44 | |
45 // return value type | |
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46 const LLType* rettype; |
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47 const LLType* actualRettype; |
100 | 48 Type* rt = f->next; |
49 bool retinptr = false; | |
50 bool usesthis = false; | |
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51 bool usesnest = false; |
100 | 52 |
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53 // parameter types |
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54 std::vector<const LLType*> paramvec; |
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55 |
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56 if (ismain) |
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57 { |
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58 rettype = LLType::Int32Ty; |
100 | 59 actualRettype = rettype; |
234
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60 if (Argument::dim(f->parameters) == 0) |
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61 { |
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62 const LLType* arrTy = DtoArrayType(LLType::Int8Ty); |
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63 const LLType* arrArrTy = DtoArrayType(arrTy); |
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64 paramvec.push_back(arrArrTy); |
234
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65 } |
100 | 66 } |
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67 else{ |
100 | 68 assert(rt); |
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69 if (DtoIsReturnedInArg(rt)) { |
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70 rettype = getPtrToType(DtoType(rt)); |
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71 actualRettype = LLType::VoidTy; |
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72 f->retInPtr = retinptr = true; |
100 | 73 } |
74 else { | |
75 rettype = DtoType(rt); | |
76 actualRettype = rettype; | |
77 } | |
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78 |
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79 if (unsigned ea = DtoShouldExtend(rt)) |
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80 { |
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81 f->retAttrs |= ea; |
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82 } |
100 | 83 } |
84 | |
85 if (retinptr) { | |
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86 //Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
100 | 87 paramvec.push_back(rettype); |
88 } | |
89 | |
90 if (thistype) { | |
91 paramvec.push_back(thistype); | |
92 usesthis = true; | |
93 } | |
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94 else if (nesttype) { |
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95 paramvec.push_back(nesttype); |
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96 usesnest = true; |
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97 } |
100 | 98 |
99 if (typesafeVararg) { | |
100 ClassDeclaration* ti = Type::typeinfo; | |
336 | 101 ti->toObjFile(0); // TODO: multiobj |
102
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102 DtoForceConstInitDsymbol(ti); |
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103 assert(ti->ir.irStruct->constInit); |
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104 std::vector<const LLType*> types; |
100 | 105 types.push_back(DtoSize_t()); |
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106 types.push_back(getPtrToType(getPtrToType(ti->ir.irStruct->constInit->getType()))); |
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107 const LLType* t1 = llvm::StructType::get(types); |
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108 paramvec.push_back(t1); |
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109 paramvec.push_back(getPtrToType(LLType::Int8Ty)); |
100 | 110 } |
111 | |
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112 // number of formal params |
100 | 113 size_t n = Argument::dim(f->parameters); |
114 | |
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115 #if X86_REVERSE_PARAMS |
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116 // on x86 we need to reverse the formal params in some cases to match the ABI |
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117 if (global.params.cpu == ARCHx86) |
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118 { |
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119 // more than one formal arg, |
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120 // extern(D) linkage |
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121 // not a D-style vararg |
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122 if (n > 1 && f->linkage == LINKd && !typesafeVararg) |
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123 { |
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124 f->reverseParams = true; |
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125 f->reverseIndex = paramvec.size(); |
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126 } |
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127 } |
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128 #endif // X86_REVERSE_PARAMS |
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129 |
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130 |
100 | 131 for (int i=0; i < n; ++i) { |
132 Argument* arg = Argument::getNth(f->parameters, i); | |
133 // ensure scalar | |
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134 Type* argT = arg->type->toBasetype(); |
100 | 135 assert(argT); |
136 | |
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137 bool refOrOut = ((arg->storageClass & STCref) || (arg->storageClass & STCout)); |
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138 |
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139 const LLType* at = DtoType(argT); |
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140 |
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141 // handle lazy args |
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142 if (arg->storageClass & STClazy) |
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143 { |
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144 Logger::println("lazy param"); |
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145 TypeFunction *ltf = new TypeFunction(NULL, arg->type, 0, LINKd); |
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146 TypeDelegate *ltd = new TypeDelegate(ltf); |
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147 at = DtoType(ltd); |
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148 paramvec.push_back(at); |
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149 } |
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150 // opaque types need special handling |
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151 else if (llvm::isa<llvm::OpaqueType>(at)) { |
100 | 152 Logger::println("opaque param"); |
153 assert(argT->ty == Tstruct || argT->ty == Tclass); | |
133
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154 paramvec.push_back(getPtrToType(at)); |
100 | 155 } |
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156 // structs are passed as a reference, but by value |
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157 else if (argT->ty == Tstruct) { |
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158 Logger::println("struct param"); |
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159 if (!refOrOut) |
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160 arg->llvmAttrs |= llvm::Attribute::ByVal; |
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161 paramvec.push_back(getPtrToType(at)); |
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162 } |
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163 // static arrays are passed directly by reference |
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164 else if (argT->ty == Tsarray) |
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165 { |
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166 Logger::println("static array param"); |
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167 at = getPtrToType(at); |
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168 paramvec.push_back(at); |
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169 } |
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170 // firstclass ' ref/out ' parameter |
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171 else if (refOrOut) { |
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172 Logger::println("ref/out param"); |
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173 at = getPtrToType(at); |
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174 paramvec.push_back(at); |
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175 } |
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176 // firstclass ' in ' parameter |
100 | 177 else { |
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178 Logger::println("in param"); |
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179 if (unsigned ea = DtoShouldExtend(argT)) |
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180 arg->llvmAttrs |= ea; |
100 | 181 paramvec.push_back(at); |
182 } | |
183 } | |
184 | |
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185 // reverse params? |
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186 if (f->reverseParams) |
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187 { |
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188 std::reverse(paramvec.begin() + f->reverseIndex, paramvec.end()); |
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189 } |
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190 |
100 | 191 // construct function type |
162
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192 bool isvararg = !(typesafeVararg || arrayVararg) && f->varargs; |
100 | 193 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); |
194 | |
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195 #if X86_PASS_IN_EAX |
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196 // tell first param to be passed in a register if we can |
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197 // ONLY extern(D) functions ! |
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198 if ((n > 0 || usesthis || usesnest) && f->linkage == LINKd) |
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199 { |
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200 // FIXME: Only x86 right now ... |
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201 if (global.params.cpu == ARCHx86) |
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202 { |
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203 // pass first param in EAX if it fits, is not floating point and is not a 3 byte struct. |
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204 // FIXME: struct are not passed in EAX yet |
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205 |
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206 int n_inreg = f->reverseParams ? n - 1 : 0; |
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207 Argument* arg = Argument::getNth(f->parameters, n_inreg); |
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208 |
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209 // if there is a implicit context parameter, pass it in EAX |
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210 if (usesthis || usesnest) |
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211 { |
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212 f->thisAttrs |= llvm::Attribute::InReg; |
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213 assert((!arg || (arg->llvmAttrs & llvm::Attribute::InReg) == 0) && "can't have two inreg args!"); |
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214 } |
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215 // otherwise check the first formal parameter |
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216 else |
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217 { |
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218 Type* t = arg->type->toBasetype(); |
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219 |
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220 // 32bit ints, pointers, classes, static arrays and AAs |
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221 // are candidate for being passed in EAX |
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222 if ((arg->storageClass & STCin) && |
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223 ((t->isscalar() && !t->isfloating()) || |
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224 t->ty == Tclass || t->ty == Tsarray || t->ty == Taarray) && |
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225 (t->size() <= PTRSIZE)) |
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226 { |
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227 arg->llvmAttrs |= llvm::Attribute::InReg; |
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228 assert((f->thisAttrs & llvm::Attribute::InReg) == 0 && "can't have two inreg args!"); |
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229 } |
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230 } |
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231 } |
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232 } |
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233 #endif // X86_PASS_IN_EAX |
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234 |
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235 // done |
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236 f->retInPtr = retinptr; |
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237 f->usesThis = usesthis; |
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238 f->usesNest = usesnest; |
100 | 239 |
217
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240 f->ir.type = new llvm::PATypeHolder(functype); |
100 | 241 |
242 return functype; | |
243 } | |
244 | |
245 ////////////////////////////////////////////////////////////////////////////////////////// | |
246 | |
247 static const llvm::FunctionType* DtoVaFunctionType(FuncDeclaration* fdecl) | |
248 { | |
102
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249 // type has already been resolved |
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250 if (fdecl->type->ir.type != 0) { |
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251 return llvm::cast<llvm::FunctionType>(fdecl->type->ir.type->get()); |
102
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252 } |
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253 |
100 | 254 TypeFunction* f = (TypeFunction*)fdecl->type; |
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255 const llvm::FunctionType* fty = 0; |
100 | 256 |
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257 if (fdecl->llvmInternal == LLVMva_start) |
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258 fty = GET_INTRINSIC_DECL(vastart)->getFunctionType(); |
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259 else if (fdecl->llvmInternal == LLVMva_copy) |
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260 fty = GET_INTRINSIC_DECL(vacopy)->getFunctionType(); |
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261 else if (fdecl->llvmInternal == LLVMva_end) |
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262 fty = GET_INTRINSIC_DECL(vaend)->getFunctionType(); |
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263 assert(fty); |
100 | 264 |
173
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265 f->ir.type = new llvm::PATypeHolder(fty); |
100 | 266 return fty; |
267 } | |
268 | |
269 ////////////////////////////////////////////////////////////////////////////////////////// | |
270 | |
271 const llvm::FunctionType* DtoFunctionType(FuncDeclaration* fdecl) | |
272 { | |
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273 // handle for C vararg intrinsics |
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274 if (fdecl->isVaIntrinsic()) |
100 | 275 return DtoVaFunctionType(fdecl); |
276 | |
277 // type has already been resolved | |
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278 if (fdecl->type->ir.type != 0) |
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279 return llvm::cast<llvm::FunctionType>(fdecl->type->ir.type->get()); |
100 | 280 |
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281 const LLType* thisty = 0; |
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282 const LLType* nestty = 0; |
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283 |
100 | 284 if (fdecl->needThis()) { |
132 | 285 if (AggregateDeclaration* ad = fdecl->isMember2()) { |
286 Logger::println("isMember = this is: %s", ad->type->toChars()); | |
100 | 287 thisty = DtoType(ad->type); |
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288 //Logger::cout() << "this llvm type: " << *thisty << '\n'; |
102
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289 if (isaStruct(thisty) || (!gIR->structs.empty() && thisty == gIR->topstruct()->recty.get())) |
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290 thisty = getPtrToType(thisty); |
100 | 291 } |
132 | 292 else { |
293 Logger::println("chars: %s type: %s kind: %s", fdecl->toChars(), fdecl->type->toChars(), fdecl->kind()); | |
294 assert(0); | |
295 } | |
100 | 296 } |
297 else if (fdecl->isNested()) { | |
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298 nestty = getPtrToType(LLType::Int8Ty); |
100 | 299 } |
300 | |
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301 const llvm::FunctionType* functype = DtoFunctionType(fdecl->type, thisty, nestty, fdecl->isMain()); |
100 | 302 |
303 return functype; | |
304 } | |
305 | |
306 ////////////////////////////////////////////////////////////////////////////////////////// | |
307 | |
308 static llvm::Function* DtoDeclareVaFunction(FuncDeclaration* fdecl) | |
309 { | |
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310 TypeFunction* f = (TypeFunction*)fdecl->type->toBasetype(); |
100 | 311 const llvm::FunctionType* fty = DtoVaFunctionType(fdecl); |
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312 llvm::Function* func = 0; |
100 | 313 |
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314 if (fdecl->llvmInternal == LLVMva_start) |
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315 func = GET_INTRINSIC_DECL(vastart); |
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316 else if (fdecl->llvmInternal == LLVMva_copy) |
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317 func = GET_INTRINSIC_DECL(vacopy); |
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318 else if (fdecl->llvmInternal == LLVMva_end) |
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319 func = GET_INTRINSIC_DECL(vaend); |
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320 assert(func); |
100 | 321 |
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322 fdecl->ir.irFunc->func = func; |
100 | 323 return func; |
324 } | |
325 | |
326 ////////////////////////////////////////////////////////////////////////////////////////// | |
327 | |
102
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328 void DtoResolveFunction(FuncDeclaration* fdecl) |
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329 { |
121
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330 if (!global.params.useUnitTests && fdecl->isUnitTestDeclaration()) { |
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331 return; // ignore declaration completely |
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332 } |
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333 |
133
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334 // is imported and we don't have access? |
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335 if (fdecl->getModule() != gIR->dmodule) |
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336 { |
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337 if (fdecl->prot() == PROTprivate) |
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338 return; |
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339 } |
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340 |
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341 if (fdecl->ir.resolved) return; |
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342 fdecl->ir.resolved = true; |
102
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343 |
132 | 344 Logger::println("DtoResolveFunction(%s): %s", fdecl->toPrettyChars(), fdecl->loc.toChars()); |
102
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345 LOG_SCOPE; |
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346 |
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347 //printf("resolve function: %s\n", fdecl->toPrettyChars()); |
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348 |
102
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349 if (fdecl->parent) |
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350 if (TemplateInstance* tinst = fdecl->parent->isTemplateInstance()) |
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351 { |
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352 TemplateDeclaration* tempdecl = tinst->tempdecl; |
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353 if (tempdecl->llvmInternal == LLVMva_arg) |
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354 { |
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355 Logger::println("magic va_arg found"); |
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356 fdecl->llvmInternal = LLVMva_arg; |
173
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357 fdecl->ir.declared = true; |
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358 fdecl->ir.initialized = true; |
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359 fdecl->ir.defined = true; |
102
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360 return; // this gets mapped to an instruction so a declaration makes no sence |
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361 } |
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362 else if (tempdecl->llvmInternal == LLVMva_start) |
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363 { |
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364 Logger::println("magic va_start found"); |
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365 fdecl->llvmInternal = LLVMva_start; |
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366 } |
527
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367 else if (tempdecl->llvmInternal == LLVMintrinsic) |
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368 { |
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369 Logger::println("overloaded intrinsic found"); |
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370 fdecl->llvmInternal = LLVMintrinsic; |
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371 DtoOverloadedIntrinsicName(tinst, tempdecl, fdecl->intrinsicName); |
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372 fdecl->linkage = LINKintrinsic; |
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373 ((TypeFunction*)fdecl->type)->linkage = LINKintrinsic; |
527
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374 } |
102
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375 } |
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376 |
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377 DtoFunctionType(fdecl); |
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378 |
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379 // queue declaration |
113
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380 if (!fdecl->isAbstract()) |
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381 gIR->declareList.push_back(fdecl); |
102
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382 } |
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383 |
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384 ////////////////////////////////////////////////////////////////////////////////////////// |
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385 |
240
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386 static void set_param_attrs(TypeFunction* f, llvm::Function* func, FuncDeclaration* fdecl) |
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387 { |
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388 int llidx = 0; |
486
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389 if (f->retInPtr) ++llidx; |
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390 if (f->usesThis) ++llidx; |
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391 else if (f->usesNest) ++llidx; |
240
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392 if (f->linkage == LINKd && f->varargs == 1) |
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393 llidx += 2; |
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394 |
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395 int funcNumArgs = func->getArgumentList().size(); |
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396 |
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397 LLSmallVector<llvm::AttributeWithIndex, 9> attrs; |
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398 llvm::AttributeWithIndex PAWI; |
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399 |
446
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400 // set return value attrs if any |
486
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401 if (f->retAttrs) |
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402 { |
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403 PAWI.Index = 0; |
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404 PAWI.Attrs = f->retAttrs; |
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405 attrs.push_back(PAWI); |
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406 } |
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407 |
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408 // set sret param |
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409 if (f->retInPtr) |
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410 { |
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411 PAWI.Index = 1; |
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412 PAWI.Attrs = llvm::Attribute::StructRet; |
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413 attrs.push_back(PAWI); |
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414 } |
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415 |
720
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416 // set this/nest param attrs |
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417 if (f->thisAttrs) |
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418 { |
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419 PAWI.Index = f->retInPtr ? 2 : 1; |
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420 PAWI.Attrs = f->thisAttrs; |
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421 attrs.push_back(PAWI); |
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422 } |
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423 |
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424 // set attrs on the rest of the arguments |
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425 size_t n = Argument::dim(f->parameters); |
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426 assert(funcNumArgs >= n); // main might mismatch, for the implicit char[][] arg |
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427 |
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428 LLSmallVector<unsigned,8> attrptr(n, 0); |
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429 |
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430 for (size_t k = 0; k < n; ++k) |
240
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431 { |
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432 Argument* fnarg = Argument::getNth(f->parameters, k); |
240
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433 assert(fnarg); |
445
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434 |
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435 attrptr[k] = fnarg->llvmAttrs; |
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436 } |
445
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437 |
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438 // reverse params? |
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439 if (f->reverseParams) |
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440 { |
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441 std::reverse(attrptr.begin(), attrptr.end()); |
240
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442 } |
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443 |
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444 // build rest of attrs list |
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445 for (int i = 0; i < n; i++) |
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446 { |
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447 if (attrptr[i]) |
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448 { |
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449 PAWI.Index = llidx+i+1; |
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450 PAWI.Attrs = attrptr[i]; |
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451 attrs.push_back(PAWI); |
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452 } |
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453 } |
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454 |
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455 llvm::AttrListPtr attrlist = llvm::AttrListPtr::get(attrs.begin(), attrs.end()); |
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456 func->setAttributes(attrlist); |
240
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457 } |
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458 |
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459 ////////////////////////////////////////////////////////////////////////////////////////// |
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460 |
100 | 461 void DtoDeclareFunction(FuncDeclaration* fdecl) |
462 { | |
173
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463 if (fdecl->ir.declared) return; |
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464 fdecl->ir.declared = true; |
102
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465 |
132 | 466 Logger::println("DtoDeclareFunction(%s): %s", fdecl->toPrettyChars(), fdecl->loc.toChars()); |
100 | 467 LOG_SCOPE; |
468 | |
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469 //printf("declare function: %s\n", fdecl->toPrettyChars()); |
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470 |
121
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471 // intrinsic sanity check |
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472 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { |
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473 error(fdecl->loc, "intrinsics cannot have function bodies"); |
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474 fatal(); |
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475 } |
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476 |
240
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477 // get TypeFunction* |
486
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478 Type* t = fdecl->type->toBasetype(); |
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479 TypeFunction* f = (TypeFunction*)t; |
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480 |
100 | 481 bool declareOnly = false; |
102
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482 bool templInst = fdecl->parent && DtoIsTemplateInstance(fdecl->parent); |
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483 if (!templInst && fdecl->getModule() != gIR->dmodule) |
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484 { |
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485 Logger::println("not template instance, and not in this module. declare only!"); |
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486 Logger::println("current module: %s", gIR->dmodule->ident->toChars()); |
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487 if(fdecl->getModule()) |
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488 Logger::println("func module: %s", fdecl->getModule()->ident->toChars()); |
379
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489 else { |
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490 Logger::println("func not in a module, is runtime"); |
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491 } |
102
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492 declareOnly = true; |
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493 } |
102
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494 else if (fdecl->llvmInternal == LLVMva_start) |
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495 declareOnly = true; |
100 | 496 |
173
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497 if (!fdecl->ir.irFunc) { |
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498 fdecl->ir.irFunc = new IrFunction(fdecl); |
100 | 499 } |
500 | |
501 // mangled name | |
443
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502 const char* mangled_name; |
100 | 503 if (fdecl->llvmInternal == LLVMintrinsic) |
443
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504 mangled_name = fdecl->intrinsicName.c_str(); |
100 | 505 else |
506 mangled_name = fdecl->mangle(); | |
507 | |
508 llvm::Function* vafunc = 0; | |
445
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509 if (fdecl->isVaIntrinsic()) |
100 | 510 vafunc = DtoDeclareVaFunction(fdecl); |
511 | |
512 // construct function | |
513 const llvm::FunctionType* functype = DtoFunctionType(fdecl); | |
514 llvm::Function* func = vafunc ? vafunc : gIR->module->getFunction(mangled_name); | |
515 if (!func) | |
205
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516 func = llvm::Function::Create(functype, DtoLinkage(fdecl), mangled_name, gIR->module); |
100 | 517 |
518 // add func to IRFunc | |
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519 fdecl->ir.irFunc->func = func; |
100 | 520 |
521 // calling convention | |
522 if (!vafunc && fdecl->llvmInternal != LLVMintrinsic) | |
523 func->setCallingConv(DtoCallingConv(f->linkage)); | |
149
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524 else // fall back to C, it should be the right thing to do |
132 | 525 func->setCallingConv(llvm::CallingConv::C); |
526 | |
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527 fdecl->ir.irFunc->func = func; |
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528 assert(llvm::isa<llvm::FunctionType>(f->ir.type->get())); |
100 | 529 |
217
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530 // parameter attributes |
454
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531 if (!fdecl->isIntrinsic()) { |
240
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532 set_param_attrs(f, func, fdecl); |
217
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533 } |
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534 |
116
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535 // main |
100 | 536 if (fdecl->isMain()) { |
537 gIR->mainFunc = func; | |
538 } | |
539 | |
116
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540 // static ctor |
163
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541 if (fdecl->isStaticCtorDeclaration() && fdecl->getModule() == gIR->dmodule) { |
116
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542 gIR->ctors.push_back(fdecl); |
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543 } |
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544 // static dtor |
163
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545 else if (fdecl->isStaticDtorDeclaration() && fdecl->getModule() == gIR->dmodule) { |
116
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546 gIR->dtors.push_back(fdecl); |
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547 } |
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548 |
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549 // we never reference parameters of function prototypes |
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550 if (!declareOnly) |
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551 { |
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552 // name parameters |
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553 llvm::Function::arg_iterator iarg = func->arg_begin(); |
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554 |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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555 if (f->retInPtr) { |
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556 iarg->setName(".sretarg"); |
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557 fdecl->ir.irFunc->retArg = iarg; |
162
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558 ++iarg; |
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559 } |
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560 |
486
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561 if (f->usesThis) { |
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562 iarg->setName("this"); |
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563 fdecl->ir.irFunc->thisArg = iarg; |
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564 assert(fdecl->ir.irFunc->thisArg); |
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565 ++iarg; |
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566 } |
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567 else if (f->usesNest) { |
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568 iarg->setName(".nest"); |
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569 fdecl->ir.irFunc->nestArg = iarg; |
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|
570 assert(fdecl->ir.irFunc->nestArg); |
162
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571 ++iarg; |
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572 } |
119
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|
573 |
162
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574 if (f->linkage == LINKd && f->varargs == 1) { |
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575 iarg->setName("_arguments"); |
173
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576 fdecl->ir.irFunc->_arguments = iarg; |
162
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577 ++iarg; |
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578 iarg->setName("_argptr"); |
173
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579 fdecl->ir.irFunc->_argptr = iarg; |
162
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580 ++iarg; |
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581 } |
119
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582 |
723
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|
583 int k = 0; |
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584 |
162
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585 for (; iarg != func->arg_end(); ++iarg) |
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586 { |
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587 if (fdecl->parameters && fdecl->parameters->dim > k) |
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588 { |
723
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589 Dsymbol* argsym; |
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|
590 if (f->reverseParams) |
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|
591 argsym = (Dsymbol*)fdecl->parameters->data[fdecl->parameters->dim-k-1]; |
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592 else |
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|
593 argsym = (Dsymbol*)fdecl->parameters->data[k]; |
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594 |
162
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595 VarDeclaration* argvd = argsym->isVarDeclaration(); |
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596 assert(argvd); |
173
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597 assert(!argvd->ir.irLocal); |
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598 argvd->ir.irLocal = new IrLocal(argvd); |
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|
599 argvd->ir.irLocal->value = iarg; |
162
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|
600 iarg->setName(argvd->ident->toChars()); |
723
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|
601 |
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|
602 k++; |
100 | 603 } |
162
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604 else |
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|
605 { |
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606 iarg->setName("unnamed"); |
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607 } |
100 | 608 } |
609 } | |
610 | |
121
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611 if (fdecl->isUnitTestDeclaration()) |
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612 gIR->unitTests.push_back(fdecl); |
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613 |
100 | 614 if (!declareOnly) |
102
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|
615 gIR->defineList.push_back(fdecl); |
133
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[svn r137] Many fixes towards tango.io.Console working, but not quite there yet...
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|
616 else |
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|
617 assert(func->getLinkage() != llvm::GlobalValue::InternalLinkage); |
100 | 618 |
622
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Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested.
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|
619 if (Logger::enabled()) |
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Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested.
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|
620 Logger::cout() << "func decl: " << *func << '\n'; |
100 | 621 } |
622 | |
623 ////////////////////////////////////////////////////////////////////////////////////////// | |
624 | |
625 void DtoDefineFunc(FuncDeclaration* fd) | |
626 { | |
173
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627 if (fd->ir.defined) return; |
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628 fd->ir.defined = true; |
102
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629 |
173
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|
630 assert(fd->ir.declared); |
108
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diff
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|
631 |
132 | 632 Logger::println("DtoDefineFunc(%s): %s", fd->toPrettyChars(), fd->loc.toChars()); |
102
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|
633 LOG_SCOPE; |
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|
634 |
546
406aee3416bb
Removed D_InlineAsm and D_InlineAsm_X86 versions.
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|
635 // error on naked |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
636 if (fd->naked) |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
637 { |
546
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Removed D_InlineAsm and D_InlineAsm_X86 versions.
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diff
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|
638 fd->error("naked is not supported"); |
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Removed D_InlineAsm and D_InlineAsm_X86 versions.
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|
639 fatal(); |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
640 } |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
641 |
100 | 642 // debug info |
643 if (global.params.symdebug) { | |
644 Module* mo = fd->getModule(); | |
250
fc9c1a0eabbd
[svn r267] Fixed debug info for global variables.
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diff
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|
645 fd->ir.irFunc->dwarfSubProg = DtoDwarfSubProgram(fd); |
100 | 646 } |
647 | |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
648 Type* t = fd->type->toBasetype(); |
100 | 649 TypeFunction* f = (TypeFunction*)t; |
173
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|
650 assert(f->ir.type); |
100 | 651 |
173
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|
652 llvm::Function* func = fd->ir.irFunc->func; |
100 | 653 const llvm::FunctionType* functype = func->getFunctionType(); |
654 | |
655 // only members of the current module or template instances maybe be defined | |
244
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|
656 if (!(fd->getModule() == gIR->dmodule || DtoIsTemplateInstance(fd->parent))) |
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diff
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|
657 return; |
100 | 658 |
244
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diff
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|
659 // set module owner |
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diff
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|
660 fd->ir.DModule = gIR->dmodule; |
205
9d44ec83acd1
[svn r221] Update: Switched to the 2.3 LLVM svn branch, http://llvm.org/svn/llvm-project/llvm/branches/release_23 .
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|
661 |
244
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diff
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|
662 // is there a body? |
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diff
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|
663 if (fd->fbody == NULL) |
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|
664 return; |
100 | 665 |
244
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|
666 Logger::println("Doing function body for: %s", fd->toChars()); |
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|
667 assert(fd->ir.irFunc); |
468
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
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|
668 IrFunction* irfunction = fd->ir.irFunc; |
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
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|
669 gIR->functions.push_back(irfunction); |
108
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[svn r112] Fixed 'case 1,2,3:' style case statements.
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diff
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|
670 |
244
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|
671 if (fd->isMain()) |
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|
672 gIR->emitMain = true; |
162
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|
673 |
244
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|
674 std::string entryname("entry_"); |
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|
675 entryname.append(fd->toPrettyChars()); |
162
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|
676 |
244
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|
677 llvm::BasicBlock* beginbb = llvm::BasicBlock::Create(entryname,func); |
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diff
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|
678 llvm::BasicBlock* endbb = llvm::BasicBlock::Create("endentry",func); |
100 | 679 |
244
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680 //assert(gIR->scopes.empty()); |
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|
681 gIR->scopes.push_back(IRScope(beginbb, endbb)); |
108
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diff
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|
682 |
244
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diff
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|
683 // create alloca point |
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diff
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|
684 llvm::Instruction* allocaPoint = new llvm::AllocaInst(LLType::Int32Ty, "alloca point", beginbb); |
468
45a67b6f1310
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|
685 irfunction->allocapoint = allocaPoint; |
100 | 686 |
452
30ef3c7bddca
Fixed problems with nested 'this'. Fixes #39 .
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diff
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|
687 // debug info - after all allocas, but before any llvm.dbg.declare etc |
30ef3c7bddca
Fixed problems with nested 'this'. Fixes #39 .
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diff
changeset
|
688 if (global.params.symdebug) DtoDwarfFuncStart(fd); |
30ef3c7bddca
Fixed problems with nested 'this'. Fixes #39 .
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|
689 |
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
690 // need result variable? |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
691 if (fd->vresult) { |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
692 Logger::println("vresult value"); |
244
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|
693 fd->vresult->ir.irLocal = new IrLocal(fd->vresult); |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
694 fd->vresult->ir.irLocal->value = DtoAlloca(DtoType(fd->vresult->type), "function_vresult"); |
244
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|
695 } |
526
642f6fa854e5
First step towards D abi compliance.
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diff
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|
696 |
642f6fa854e5
First step towards D abi compliance.
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diff
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|
697 // this hack makes sure the frame pointer elimination optimization is disabled. |
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698 // this this eliminates a bunch of inline asm related issues. |
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699 // naked must always eliminate the framepointer however... |
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700 if (fd->inlineAsm && !fd->naked) |
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701 { |
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702 // emit a call to llvm_eh_unwind_init |
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703 LLFunction* hack = GET_INTRINSIC_DECL(eh_unwind_init); |
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704 gIR->ir->CreateCall(hack, ""); |
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705 } |
100 | 706 |
468
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707 // give the 'this' argument storage and debug info |
486
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708 if (f->usesThis) |
254
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709 { |
486
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710 LLValue* thisvar = irfunction->thisArg; |
468
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711 assert(thisvar); |
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712 |
486
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713 LLValue* thismem = DtoAlloca(thisvar->getType(), ".this"); |
468
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714 DtoStore(thisvar, thismem); |
486
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715 irfunction->thisArg = thismem; |
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716 |
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717 assert(!fd->vthis->ir.irLocal); |
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718 fd->vthis->ir.irLocal = new IrLocal(fd->vthis); |
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719 fd->vthis->ir.irLocal->value = thismem; |
468
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720 |
45a67b6f1310
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|
721 if (global.params.symdebug) |
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722 DtoDwarfLocalVariable(thismem, fd->vthis); |
486
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723 |
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|
724 if (fd->vthis->nestedref) |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
725 fd->nestedVars.insert(fd->vthis); |
254
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726 } |
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|
727 |
244
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728 // give arguments storage |
468
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729 // and debug info |
244
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730 if (fd->parameters) |
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731 { |
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732 size_t n = fd->parameters->dim; |
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733 for (int i=0; i < n; ++i) |
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734 { |
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735 Dsymbol* argsym = (Dsymbol*)fd->parameters->data[i]; |
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736 VarDeclaration* vd = argsym->isVarDeclaration(); |
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|
737 assert(vd); |
486
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|
738 |
a34078905d01
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|
739 if (vd->nestedref) |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
740 fd->nestedVars.insert(vd); |
100 | 741 |
468
45a67b6f1310
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parents:
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|
742 IrLocal* irloc = vd->ir.irLocal; |
45a67b6f1310
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parents:
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changeset
|
743 assert(irloc); |
45a67b6f1310
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diff
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|
744 |
719
7261ff0f95ff
Implemented first class delegates. closes #101
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parents:
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diff
changeset
|
745 bool refout = vd->storage_class & (STCref | STCout); |
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Implemented first class delegates. closes #101
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parents:
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diff
changeset
|
746 bool lazy = vd->storage_class & STClazy; |
457
d82ebdba4191
Fixed debug info and lazy arguments.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
455
diff
changeset
|
747 |
719
7261ff0f95ff
Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
748 if (refout) |
449
56265fa07c7d
Fixed problem where global variables did not resolve type before using it.
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diff
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|
749 { |
244
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|
750 continue; |
449
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Fixed problem where global variables did not resolve type before using it.
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parents:
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diff
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|
751 } |
719
7261ff0f95ff
Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
752 else if (!lazy && DtoIsPassedByRef(vd->type)) |
254
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753 { |
468
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
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parents:
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diff
changeset
|
754 LLValue* vdirval = irloc->value; |
455
d3d3519b72e8
Fixed inserting an AA entry with 'this' as key.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
454
diff
changeset
|
755 if (global.params.symdebug && !(isaArgument(vdirval) && !isaArgument(vdirval)->hasByValAttr())) |
d3d3519b72e8
Fixed inserting an AA entry with 'this' as key.
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parents:
454
diff
changeset
|
756 DtoDwarfLocalVariable(vdirval, vd); |
254
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|
757 continue; |
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[svn r271] Fixed debug info for implicit 'this' param.
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|
758 } |
100 | 759 |
468
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
457
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changeset
|
760 LLValue* a = irloc->value; |
479
672eb4893b55
Move AllocaInst creation into DtoAlloca helper. Will enable special zero-init of fp80 reals' padding.
Christian Kamm <kamm incasoftware de>
parents:
468
diff
changeset
|
761 LLValue* v = DtoAlloca(a->getType(), "."+a->getName()); |
468
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
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parents:
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changeset
|
762 DtoStore(a,v); |
45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
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|
763 irloc->value = v; |
100 | 764 } |
765 } | |
244
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|
766 |
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changeset
|
767 // need result variable? (nested) |
a95056b3c996
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768 if (fd->vresult && fd->vresult->nestedref) { |
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|
769 Logger::println("nested vresult value: %s", fd->vresult->toChars()); |
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[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
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|
770 fd->nestedVars.insert(fd->vresult); |
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771 } |
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[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB.
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241
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changeset
|
772 |
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
773 // construct nested variables array |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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changeset
|
774 if (!fd->nestedVars.empty()) |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
775 { |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
776 Logger::println("has nested frame"); |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
777 // start with add all enclosing parent frames |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
changeset
|
778 int nparelems = 0; |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff
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|
779 Dsymbol* par = fd->toParent2(); |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
780 while (par) |
a34078905d01
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
781 { |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
782 if (FuncDeclaration* parfd = par->isFuncDeclaration()) |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
783 { |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
784 nparelems += parfd->nestedVars.size(); |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
785 } |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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|
786 else if (ClassDeclaration* parcd = par->isClassDeclaration()) |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
787 { |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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changeset
|
788 // nothing needed |
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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parents:
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|
789 } |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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changeset
|
790 else |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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changeset
|
791 { |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
792 break; |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
793 } |
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
794 par = par->toParent2(); |
244
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|
795 } |
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
|
796 int nelems = fd->nestedVars.size() + nparelems; |
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797 |
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798 // make array type for nested vars |
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799 const LLType* nestedVarsTy = LLArrayType::get(getVoidPtrType(), nelems); |
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800 |
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801 // alloca it |
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802 LLValue* nestedVars = DtoAlloca(nestedVarsTy, ".nested_vars"); |
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803 |
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804 // copy parent frame into beginning |
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805 if (nparelems) |
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806 { |
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807 LLValue* src = irfunction->nestArg; |
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808 if (!src) |
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809 { |
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810 assert(irfunction->thisArg); |
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811 assert(fd->isMember2()); |
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812 LLValue* thisval = DtoLoad(irfunction->thisArg); |
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813 ClassDeclaration* cd = fd->isMember2()->isClassDeclaration(); |
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814 assert(cd); |
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815 assert(cd->vthis); |
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816 src = DtoLoad(DtoGEPi(thisval, 0,2+cd->vthis->ir.irField->index, ".vthis")); |
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817 } |
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818 DtoMemCpy(nestedVars, src, DtoConstSize_t(nparelems*PTRSIZE)); |
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819 } |
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820 |
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821 // store in IrFunction |
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822 irfunction->nestedVar = nestedVars; |
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823 |
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824 // go through all nested vars and assign indices |
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825 int idx = nparelems; |
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826 for (std::set<VarDeclaration*>::iterator i=fd->nestedVars.begin(); i!=fd->nestedVars.end(); ++i) |
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827 { |
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828 VarDeclaration* vd = *i; |
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829 if (!vd->ir.irLocal) |
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830 vd->ir.irLocal = new IrLocal(vd); |
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831 |
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832 if (vd->isParameter()) |
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833 { |
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834 Logger::println("nested param: %s", vd->toChars()); |
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835 LLValue* gep = DtoGEPi(nestedVars, 0, idx); |
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836 LLValue* val = DtoBitCast(vd->ir.irLocal->value, getVoidPtrType()); |
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837 DtoStore(val, gep); |
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838 } |
486
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839 else |
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840 { |
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841 Logger::println("nested var: %s", vd->toChars()); |
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842 } |
486
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843 |
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844 vd->ir.irLocal->nestedIndex = idx++; |
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845 } |
486
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846 |
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847 // fixup nested result variable |
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848 if (fd->vresult && fd->vresult->nestedref) { |
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849 Logger::println("nested vresult value: %s", fd->vresult->toChars()); |
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850 LLValue* gep = DtoGEPi(nestedVars, 0, fd->vresult->ir.irLocal->nestedIndex); |
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851 LLValue* val = DtoBitCast(fd->vresult->ir.irLocal->value, getVoidPtrType()); |
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852 DtoStore(val, gep); |
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853 } |
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854 } |
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855 |
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856 // copy _argptr and _arguments to a memory location |
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857 if (f->linkage == LINKd && f->varargs == 1) |
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858 { |
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859 // _argptr |
486
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860 LLValue* argptrmem = DtoAlloca(fd->ir.irFunc->_argptr->getType(), "_argptr_mem"); |
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861 new llvm::StoreInst(fd->ir.irFunc->_argptr, argptrmem, gIR->scopebb()); |
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862 fd->ir.irFunc->_argptr = argptrmem; |
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863 |
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864 // _arguments |
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865 LLValue* argumentsmem = DtoAlloca(fd->ir.irFunc->_arguments->getType(), "_arguments_mem"); |
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866 new llvm::StoreInst(fd->ir.irFunc->_arguments, argumentsmem, gIR->scopebb()); |
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867 fd->ir.irFunc->_arguments = argumentsmem; |
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868 } |
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869 |
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870 // output function body |
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871 fd->fbody->toIR(gIR); |
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872 |
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873 // llvm requires all basic blocks to end with a TerminatorInst but DMD does not put a return statement |
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874 // in automatically, so we do it here. |
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875 if (!gIR->scopereturned()) { |
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876 // pass the previous block into this block |
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877 if (global.params.symdebug) DtoDwarfFuncEnd(fd); |
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878 if (func->getReturnType() == LLType::VoidTy) { |
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879 llvm::ReturnInst::Create(gIR->scopebb()); |
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880 } |
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881 else { |
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882 if (!fd->isMain()) |
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883 llvm::ReturnInst::Create(llvm::UndefValue::get(func->getReturnType()), gIR->scopebb()); |
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884 else |
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885 llvm::ReturnInst::Create(llvm::Constant::getNullValue(func->getReturnType()), gIR->scopebb()); |
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886 } |
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887 } |
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888 |
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889 // erase alloca point |
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890 allocaPoint->eraseFromParent(); |
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891 allocaPoint = 0; |
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892 gIR->func()->allocapoint = 0; |
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893 |
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894 gIR->scopes.pop_back(); |
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895 |
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896 // get rid of the endentry block, it's never used |
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897 assert(!func->getBasicBlockList().empty()); |
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898 func->getBasicBlockList().pop_back(); |
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899 |
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900 // if the last block is empty now, it must be unreachable or it's a bug somewhere else |
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901 // would be nice to figure out how to assert that this is correct |
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902 llvm::BasicBlock* lastbb = &func->getBasicBlockList().back(); |
328
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903 if (lastbb->empty()) |
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904 { |
262
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905 new llvm::UnreachableInst(lastbb); |
244
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906 } |
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907 |
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908 // if the last block is not terminated we return a null value or void |
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909 // for some unknown reason this is needed when a void main() has a inline asm block ... |
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910 // this should be harmless for well formed code! |
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911 lastbb = &func->getBasicBlockList().back(); |
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912 if (!lastbb->getTerminator()) |
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913 { |
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914 Logger::println("adding missing return statement"); |
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915 if (func->getReturnType() == LLType::VoidTy) |
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916 llvm::ReturnInst::Create(lastbb); |
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917 else |
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918 llvm::ReturnInst::Create(llvm::Constant::getNullValue(func->getReturnType()), lastbb); |
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919 } |
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920 |
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921 gIR->functions.pop_back(); |
100 | 922 } |
923 | |
924 ////////////////////////////////////////////////////////////////////////////////////////// | |
925 | |
117 | 926 const llvm::FunctionType* DtoBaseFunctionType(FuncDeclaration* fdecl) |
927 { | |
928 Dsymbol* parent = fdecl->toParent(); | |
929 ClassDeclaration* cd = parent->isClassDeclaration(); | |
930 assert(cd); | |
931 | |
932 FuncDeclaration* f = fdecl; | |
933 | |
934 while (cd) | |
935 { | |
936 ClassDeclaration* base = cd->baseClass; | |
937 if (!base) | |
938 break; | |
939 FuncDeclaration* f2 = base->findFunc(fdecl->ident, (TypeFunction*)fdecl->type); | |
940 if (f2) { | |
941 f = f2; | |
942 cd = base; | |
943 } | |
944 else | |
945 break; | |
946 } | |
947 | |
948 DtoResolveDsymbol(f); | |
949 return llvm::cast<llvm::FunctionType>(DtoType(f->type)); | |
950 } | |
951 | |
952 ////////////////////////////////////////////////////////////////////////////////////////// | |
131 | 953 |
954 DValue* DtoArgument(Argument* fnarg, Expression* argexp) | |
955 { | |
956 Logger::println("DtoArgument"); | |
957 LOG_SCOPE; | |
958 | |
959 DValue* arg = argexp->toElem(gIR); | |
960 | |
961 // ref/out arg | |
723
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962 if (fnarg && (fnarg->storageClass & (STCref | STCout))) |
131 | 963 { |
964 if (arg->isVar() || arg->isLRValue()) | |
486
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965 arg = new DImValue(argexp->type, arg->getLVal()); |
131 | 966 else |
486
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967 arg = new DImValue(argexp->type, arg->getRVal()); |
131 | 968 } |
719
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969 // lazy arg |
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970 else if (fnarg && (fnarg->storageClass & STClazy)) |
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971 { |
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972 assert(argexp->type->toBasetype()->ty == Tdelegate); |
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973 assert(!arg->isLVal()); |
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974 return arg; |
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975 } |
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976 // byval arg, but expr has no storage yet |
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977 else if (DtoIsPassedByRef(argexp->type) && (arg->isSlice() || arg->isNull())) |
131 | 978 { |
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979 LLValue* alloc = DtoAlloca(DtoType(argexp->type), ".tmp_arg"); |
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980 DVarValue* vv = new DVarValue(argexp->type, alloc); |
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981 DtoAssign(argexp->loc, vv, arg); |
131 | 982 arg = vv; |
983 } | |
984 | |
985 return arg; | |
986 } | |
987 | |
988 ////////////////////////////////////////////////////////////////////////////////////////// | |
989 | |
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990 void DtoVariadicArgument(Expression* argexp, LLValue* dst) |
131 | 991 { |
992 Logger::println("DtoVariadicArgument"); | |
993 LOG_SCOPE; | |
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994 DVarValue vv(argexp->type, dst); |
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995 DtoAssign(argexp->loc, &vv, argexp->toElem(gIR)); |
131 | 996 } |
997 | |
998 ////////////////////////////////////////////////////////////////////////////////////////// | |
445
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999 |
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1000 bool FuncDeclaration::isIntrinsic() |
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1001 { |
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1002 return (llvmInternal == LLVMintrinsic || isVaIntrinsic()); |
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1003 } |
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1004 |
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1005 bool FuncDeclaration::isVaIntrinsic() |
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1006 { |
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1007 return (llvmInternal == LLVMva_start || |
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1008 llvmInternal == LLVMva_copy || |
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1009 llvmInternal == LLVMva_end); |
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1010 } |