1 // RUN: %clang_cc1 -disable-noundef-analysis -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-passes -o - %s -w -fms-compatibility-version=19.00 | FileCheck -allow-deprecated-dag-overlap --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 %s 2 // RUN: %clang_cc1 -disable-noundef-analysis -triple i686-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O1 -mconstructor-aliases -disable-llvm-passes -o - %s -w -fms-compatibility-version=18.00 | FileCheck -allow-deprecated-dag-overlap --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2013 -check-prefix=M32MSVC2013 %s 3 4 // RUN: %clang_cc1 -disable-noundef-analysis -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=19.00 | FileCheck -allow-deprecated-dag-overlap --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 %s 5 // RUN: %clang_cc1 -disable-noundef-analysis -triple x86_64-windows-msvc -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w -fms-compatibility-version=18.00 | FileCheck -allow-deprecated-dag-overlap --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 %s 6 7 // RUN: %clang_cc1 -disable-noundef-analysis -triple i686-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck -allow-deprecated-dag-overlap --check-prefix=GNU --check-prefix=G32 %s 8 // RUN: %clang_cc1 -disable-noundef-analysis -triple x86_64-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck -allow-deprecated-dag-overlap --check-prefix=GNU %s 9 10 // Helper structs to make templates more expressive. 11 struct ImplicitInst_Exported {}; 12 struct ExplicitDecl_Exported {}; 13 struct ExplicitInst_Exported {}; 14 struct ExplicitSpec_Exported {}; 15 struct ExplicitSpec_Def_Exported {}; 16 struct ExplicitSpec_InlineDef_Exported {}; 17 struct ExplicitSpec_NotExported {}; 18 struct External { int v; }; 19 20 #define JOIN2(x, y) x##y 21 #define JOIN(x, y) JOIN2(x, y) 22 #define UNIQ(name) JOIN(name, __LINE__) 23 #define USEVAR(var) int UNIQ(use)() { return var; } 24 #define USE(func) void UNIQ(use)() { func(); } 25 #define USEMEMFUNC(class, func) void (class::*UNIQ(use)())() { return &class::func; } 26 #define INSTVAR(var) template int var; 27 #define INST(func) template void func(); 28 29 // The vftable for struct W is comdat largest because we have RTTI. 30 // M32-DAG: $"??_7W@@6B@" = comdat largest 31 32 // M32-DAG: $"?smember@?$Base@H@PR32992@@0HA" = comdat any 33 34 35 //===----------------------------------------------------------------------===// 36 // Globals 37 //===----------------------------------------------------------------------===// 38 39 // Declarations are not exported. 40 // MSC-NOT: @"?ExternGlobalDecl@@3HA" 41 // GNU-NOT: @ExternGlobalDecl 42 __declspec(dllexport) extern int ExternGlobalDecl; 43 44 // M64-DAG: @__ImageBase = external dso_local constant i8 45 46 // GNU-DAG: @_ZTVN10__cxxabiv117__class_type_infoE = external global 47 48 // dllexport implies a definition. 49 // MSC-DAG: @"?GlobalDef@@3HA" = dso_local dllexport global i32 0, align 4 50 // GNU-DAG: @GlobalDef = dso_local dllexport global i32 0, align 4 51 __declspec(dllexport) int GlobalDef; 52 53 // Export definition. 54 // MSC-DAG: @"?GlobalInit1@@3HA" = dso_local dllexport global i32 1, align 4 55 // GNU-DAG: @GlobalInit1 = dso_local dllexport global i32 1, align 4 56 __declspec(dllexport) int GlobalInit1 = 1; 57 58 // MSC-DAG: @"?GlobalInit2@@3HA" = dso_local dllexport global i32 1, align 4 59 // GNU-DAG: @GlobalInit2 = dso_local dllexport global i32 1, align 4 60 int __declspec(dllexport) GlobalInit2 = 1; 61 62 // Declare, then export definition. 63 // MSC-DAG: @"?GlobalDeclInit@@3HA" = dso_local dllexport global i32 1, align 4 64 // GNU-DAG: @GlobalDeclInit = dso_local dllexport global i32 1, align 4 65 __declspec(dllexport) extern int GlobalDeclInit; 66 int GlobalDeclInit = 1; 67 68 // Redeclarations 69 // MSC-DAG: @"?GlobalRedecl1@@3HA" = dso_local dllexport global i32 0, align 4 70 // GNU-DAG: @GlobalRedecl1 = dso_local dllexport global i32 0, align 4 71 __declspec(dllexport) extern int GlobalRedecl1; 72 __declspec(dllexport) int GlobalRedecl1; 73 74 // MSC-DAG: @"?GlobalRedecl2@@3HA" = dso_local dllexport global i32 0, align 4 75 // GNU-DAG: @GlobalRedecl2 = dso_local dllexport global i32 0, align 4 76 __declspec(dllexport) extern int GlobalRedecl2; 77 int GlobalRedecl2; 78 79 // MSC-DAG: @"?ExternalGlobal@ns@@3HA" = dso_local dllexport global i32 0, align 4 80 // GNU-DAG: @_ZN2ns14ExternalGlobalE = dso_local dllexport global i32 0, align 4 81 namespace ns { __declspec(dllexport) int ExternalGlobal; } 82 83 // MSC-DAG: @"?ExternalAutoTypeGlobal@@3UExternal@@A" = dso_local dllexport global %struct.External zeroinitializer, align 4 84 // GNU-DAG: @ExternalAutoTypeGlobal = dso_local dllexport global %struct.External zeroinitializer, align 4 85 __declspec(dllexport) auto ExternalAutoTypeGlobal = External(); 86 87 int f(); 88 // MSC-DAG: @"?x@?1??nonInlineStaticLocalsFunc@@YAHXZ@4HA" = internal {{(unnamed_addr )*}}global i32 0 89 // MSC-DAG: @"?$S1@?1??nonInlineStaticLocalsFunc@@YAHXZ@4IA" = internal {{(unnamed_addr )*}}global i32 0 90 int __declspec(dllexport) nonInlineStaticLocalsFunc() { 91 static int x = f(); 92 return x++; 93 }; 94 95 // MSC-DAG: @"?x@?1??inlineStaticLocalsFunc@@YAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat 96 // MSC-DAG: @"??_B?1??inlineStaticLocalsFunc@@YAHXZ@51" = weak_odr dllexport global i32 0, comdat 97 // Note: MinGW doesn't seem to export the static local here. 98 inline int __declspec(dllexport) inlineStaticLocalsFunc() { 99 static int x = f(); 100 return x++; 101 } 102 103 namespace PR32992 { 104 // Static data members of a instantiated base class should be exported. 105 template <class T> 106 class Base { 107 virtual void myfunc() {} 108 static int smember; 109 }; 110 // MSC-DAG: @"?smember@?$Base@H@PR32992@@0HA" = weak_odr dso_local dllexport global i32 77, comdat, align 4 111 template <class T> int Base<T>::smember = 77; 112 template <class T> 113 class __declspec(dllexport) Derived2 : Base<T> { 114 void myfunc() {} 115 }; 116 class Derived : public Derived2<int> { 117 void myfunc() {} 118 }; 119 } // namespace PR32992 120 121 namespace PR32992_1 { 122 namespace a { enum b { c }; } 123 template <typename> class d { 124 static constexpr a::b e = a::c; 125 }; 126 namespace f { 127 template <typename g = int> class h : d<g> {}; 128 } 129 using f::h; 130 class __declspec(dllexport) i : h<> {}; 131 } 132 133 //===----------------------------------------------------------------------===// 134 // Variable templates 135 //===----------------------------------------------------------------------===// 136 137 // Declarations are not exported. 138 139 // MSC-DAG: @"??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = external dso_local global 140 // GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE = external global 141 template<typename T> __declspec(dllexport) extern int VarTmplImplicitDef; 142 USEVAR(VarTmplImplicitDef<ImplicitInst_Exported>) 143 144 // Export definition. 145 // MSC-DAG: @"??$VarTmplInit1@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 146 // GNU-DAG: @_Z12VarTmplInit1I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 147 template<typename T> __declspec(dllexport) int VarTmplInit1 = 1; 148 INSTVAR(VarTmplInit1<ExplicitInst_Exported>) 149 150 // MSC-DAG: @"??$VarTmplInit2@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 151 // GNU-DAG: @_Z12VarTmplInit2I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 152 template<typename T> int __declspec(dllexport) VarTmplInit2 = 1; 153 INSTVAR(VarTmplInit2<ExplicitInst_Exported>) 154 155 // Declare, then export definition. 156 // MSC-DAG: @"??$VarTmplDeclInit@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 157 // GNU-DAG: @_Z15VarTmplDeclInitI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 158 template<typename T> __declspec(dllexport) extern int VarTmplDeclInit; 159 template<typename T> int VarTmplDeclInit = 1; 160 INSTVAR(VarTmplDeclInit<ExplicitInst_Exported>) 161 162 // Redeclarations 163 // MSC-DAG: @"??$VarTmplRedecl1@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 164 // GNU-DAG: @_Z14VarTmplRedecl1I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 165 template<typename T> __declspec(dllexport) extern int VarTmplRedecl1; 166 template<typename T> __declspec(dllexport) int VarTmplRedecl1 = 1; 167 INSTVAR(VarTmplRedecl1<ExplicitInst_Exported>) 168 169 // MSC-DAG: @"??$VarTmplRedecl2@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 170 // GNU-DAG: @_Z14VarTmplRedecl2I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 171 template<typename T> __declspec(dllexport) extern int VarTmplRedecl2; 172 template<typename T> int VarTmplRedecl2 = 1; 173 INSTVAR(VarTmplRedecl2<ExplicitInst_Exported>) 174 175 // MSC-DAG: @"??$ExternalVarTmpl@UExplicitInst_Exported@@@ns@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 176 // GNU-DAG: @_ZN2ns15ExternalVarTmplI21ExplicitInst_ExportedEE = weak_odr dso_local dllexport global i32 1, comdat, align 4 177 namespace ns { template<typename T> __declspec(dllexport) int ExternalVarTmpl = 1; } 178 INSTVAR(ns::ExternalVarTmpl<ExplicitInst_Exported>) 179 180 // MSC-DAG: @"??$ExternalAutoTypeVarTmpl@UExplicitInst_Exported@@@@3UExternal@@A" = weak_odr dso_local dllexport global %struct.External zeroinitializer, comdat, align 4 181 // GNU-DAG: @_Z23ExternalAutoTypeVarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global %struct.External zeroinitializer, comdat, align 4 182 template<typename T> __declspec(dllexport) auto ExternalAutoTypeVarTmpl = External(); 183 template External ExternalAutoTypeVarTmpl<ExplicitInst_Exported>; 184 185 186 template<typename T> int VarTmpl = 1; 187 template<typename T> __declspec(dllexport) int ExportedVarTmpl = 1; 188 189 // Export implicit instantiation of an exported variable template. 190 // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 191 // GNU-DAG: @_Z15ExportedVarTmplI21ImplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 192 USEVAR(ExportedVarTmpl<ImplicitInst_Exported>) 193 194 // Export explicit instantiation declaration of an exported variable template. 195 // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 196 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitDecl_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 197 extern template int ExportedVarTmpl<ExplicitDecl_Exported>; 198 template int ExportedVarTmpl<ExplicitDecl_Exported>; 199 200 // Export explicit instantiation definition of an exported variable template. 201 // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 202 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 203 template __declspec(dllexport) int ExportedVarTmpl<ExplicitInst_Exported>; 204 205 // Export specialization of an exported variable template. 206 // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_Exported@@@@3HA" = dso_local dllexport global i32 0, align 4 207 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitSpec_ExportedE = dso_local dllexport global i32 0, align 4 208 template<> __declspec(dllexport) int ExportedVarTmpl<ExplicitSpec_Exported>; 209 210 // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dso_local dllexport global i32 1, align 4 211 // GNU-DAG: @_Z15ExportedVarTmplI25ExplicitSpec_Def_ExportedE = dso_local dllexport global i32 1, align 4 212 template<> __declspec(dllexport) int ExportedVarTmpl<ExplicitSpec_Def_Exported> = 1; 213 214 // Not exporting specialization of an exported variable template without 215 // explicit dllexport. 216 // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_NotExported@@@@3HA" = dso_local global i32 0, align 4 217 // GNU-DAG: @_Z15ExportedVarTmplI24ExplicitSpec_NotExportedE = dso_local global i32 0, align 4 218 template<> int ExportedVarTmpl<ExplicitSpec_NotExported>; 219 220 221 // Export explicit instantiation declaration of a non-exported variable template. 222 // MSC-DAG: @"??$VarTmpl@UExplicitDecl_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 223 // GNU-DAG: @_Z7VarTmplI21ExplicitDecl_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 224 extern template __declspec(dllexport) int VarTmpl<ExplicitDecl_Exported>; 225 template __declspec(dllexport) int VarTmpl<ExplicitDecl_Exported>; 226 227 // Export explicit instantiation definition of a non-exported variable template. 228 // MSC-DAG: @"??$VarTmpl@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 229 // GNU-DAG: @_Z7VarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 230 template __declspec(dllexport) int VarTmpl<ExplicitInst_Exported>; 231 232 // Export specialization of a non-exported variable template. 233 // MSC-DAG: @"??$VarTmpl@UExplicitSpec_Exported@@@@3HA" = dso_local dllexport global i32 0, align 4 234 // GNU-DAG: @_Z7VarTmplI21ExplicitSpec_ExportedE = dso_local dllexport global i32 0, align 4 235 template<> __declspec(dllexport) int VarTmpl<ExplicitSpec_Exported>; 236 237 // MSC-DAG: @"??$VarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dso_local dllexport global i32 1, align 4 238 // GNU-DAG: @_Z7VarTmplI25ExplicitSpec_Def_ExportedE = dso_local dllexport global i32 1, align 4 239 template<> __declspec(dllexport) int VarTmpl<ExplicitSpec_Def_Exported> = 1; 240 241 242 243 //===----------------------------------------------------------------------===// 244 // Functions 245 //===----------------------------------------------------------------------===// 246 247 // Declarations are not exported. 248 249 // Export function definition. 250 // MSC-DAG: define dso_local dllexport void @"?def@@YAXXZ"() 251 // GNU-DAG: define dso_local dllexport void @_Z3defv() 252 __declspec(dllexport) void def() {} 253 254 // extern "C" 255 // MSC-DAG: define dso_local dllexport void @externC() 256 // GNU-DAG: define dso_local dllexport void @externC() 257 extern "C" __declspec(dllexport) void externC() {} 258 259 // Export inline function. 260 // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineFunc@@YAXXZ"() 261 // GNU-DAG: define weak_odr dso_local dllexport void @_Z10inlineFuncv() 262 __declspec(dllexport) inline void inlineFunc() {} 263 264 // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineDecl@@YAXXZ"() 265 // GNU-DAG: define weak_odr dso_local dllexport void @_Z10inlineDeclv() 266 __declspec(dllexport) inline void inlineDecl(); 267 void inlineDecl() {} 268 269 // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineDef@@YAXXZ"() 270 // GNU-DAG: define weak_odr dso_local dllexport void @_Z9inlineDefv() 271 __declspec(dllexport) void inlineDef(); 272 inline void inlineDef() {} 273 274 // Redeclarations 275 // MSC-DAG: define dso_local dllexport void @"?redecl1@@YAXXZ"() 276 // GNU-DAG: define dso_local dllexport void @_Z7redecl1v() 277 __declspec(dllexport) void redecl1(); 278 __declspec(dllexport) void redecl1() {} 279 280 // MSC-DAG: define dso_local dllexport void @"?redecl2@@YAXXZ"() 281 // GNU-DAG: define dso_local dllexport void @_Z7redecl2v() 282 __declspec(dllexport) void redecl2(); 283 void redecl2() {} 284 285 // Friend functions 286 // MSC-DAG: define dso_local dllexport void @"?friend1@@YAXXZ"() 287 // GNU-DAG: define dso_local dllexport void @_Z7friend1v() 288 // MSC-DAG: define dso_local dllexport void @"?friend2@@YAXXZ"() 289 // GNU-DAG: define dso_local dllexport void @_Z7friend2v() 290 struct FuncFriend { 291 friend __declspec(dllexport) void friend1(); 292 friend __declspec(dllexport) void friend2(); 293 }; 294 __declspec(dllexport) void friend1() {} 295 void friend2() {} 296 297 // MSC-DAG: define dso_local dllexport void @"?func@Befriended@@SAXXZ"() 298 // GNU-DAG: define dso_local dllexport void @_ZN10Befriended4funcEv() 299 struct __declspec(dllexport) Befriended { 300 static void func(); 301 struct Befriending { 302 friend void Befriended::func(); 303 }; 304 }; 305 void Befriended::func() {} 306 307 // Implicit declarations can be redeclared with dllexport. 308 // MSC-DAG: define dso_local dllexport nonnull i8* @"??2@{{YAPAXI|YAPEAX_K}}@Z"( 309 // GNU-DAG: define dso_local dllexport nonnull i8* @_Znw{{[yj]}}( 310 void* alloc(__SIZE_TYPE__ n); 311 __declspec(dllexport) void* operator new(__SIZE_TYPE__ n) { return alloc(n); } 312 313 // MSC-DAG: define dso_local dllexport void @"?externalFunc@ns@@YAXXZ"() 314 // GNU-DAG: define dso_local dllexport void @_ZN2ns12externalFuncEv() 315 namespace ns { __declspec(dllexport) void externalFunc() {} } 316 317 318 319 //===----------------------------------------------------------------------===// 320 // Function templates 321 //===----------------------------------------------------------------------===// 322 323 // Export function template definition. 324 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplDef@UExplicitInst_Exported@@@@YAXXZ"() 325 // GNU-DAG: define weak_odr dso_local dllexport void @_Z11funcTmplDefI21ExplicitInst_ExportedEvv() 326 template<typename T> __declspec(dllexport) void funcTmplDef() {} 327 INST(funcTmplDef<ExplicitInst_Exported>) 328 329 // Export inline function template. 330 // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmpl1@UExplicitInst_Exported@@@@YAXXZ"() 331 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15inlineFuncTmpl1I21ExplicitInst_ExportedEvv() 332 template<typename T> __declspec(dllexport) inline void inlineFuncTmpl1() {} 333 INST(inlineFuncTmpl1<ExplicitInst_Exported>) 334 335 // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmpl2@UExplicitInst_Exported@@@@YAXXZ"() 336 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15inlineFuncTmpl2I21ExplicitInst_ExportedEvv() 337 template<typename T> inline void __attribute__((dllexport)) inlineFuncTmpl2() {} 338 INST(inlineFuncTmpl2<ExplicitInst_Exported>) 339 340 // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmplDecl@UExplicitInst_Exported@@@@YAXXZ"() 341 // GNU-DAG: define weak_odr dso_local dllexport void @_Z18inlineFuncTmplDeclI21ExplicitInst_ExportedEvv() 342 template<typename T> __declspec(dllexport) inline void inlineFuncTmplDecl(); 343 template<typename T> void inlineFuncTmplDecl() {} 344 INST(inlineFuncTmplDecl<ExplicitInst_Exported>) 345 346 // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmplDef@UExplicitInst_Exported@@@@YAXXZ"() 347 // GNU-DAG: define weak_odr dso_local dllexport void @_Z17inlineFuncTmplDefI21ExplicitInst_ExportedEvv() 348 template<typename T> __declspec(dllexport) void inlineFuncTmplDef(); 349 template<typename T> inline void inlineFuncTmplDef() {} 350 INST(inlineFuncTmplDef<ExplicitInst_Exported>) 351 352 353 // Redeclarations 354 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl1@UExplicitInst_Exported@@@@YAXXZ"() 355 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl1I21ExplicitInst_ExportedEvv() 356 template<typename T> __declspec(dllexport) void funcTmplRedecl1(); 357 template<typename T> __declspec(dllexport) void funcTmplRedecl1() {} 358 INST(funcTmplRedecl1<ExplicitInst_Exported>) 359 360 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl2@UExplicitInst_Exported@@@@YAXXZ"() 361 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl2I21ExplicitInst_ExportedEvv() 362 template<typename T> __declspec(dllexport) void funcTmplRedecl2(); 363 template<typename T> void funcTmplRedecl2() {} 364 INST(funcTmplRedecl2<ExplicitInst_Exported>) 365 366 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl3@UExplicitInst_Exported@@@@YAXXZ"() 367 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl3I21ExplicitInst_ExportedEvv() 368 template<typename T> __declspec(dllexport) void funcTmplRedecl3(); 369 template<typename T> void funcTmplRedecl3() {} 370 INST(funcTmplRedecl3<ExplicitInst_Exported>) 371 372 373 // Function template friends 374 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplFriend1@UExplicitInst_Exported@@@@YAXXZ"() 375 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplFriend1I21ExplicitInst_ExportedEvv() 376 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplFriend2@UExplicitInst_Exported@@@@YAXXZ"() 377 // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplFriend2I21ExplicitInst_ExportedEvv() 378 struct FuncTmplFriend { 379 template<typename T> friend __declspec(dllexport) void funcTmplFriend1(); 380 template<typename T> friend __declspec(dllexport) void funcTmplFriend2(); 381 }; 382 template<typename T> __declspec(dllexport) void funcTmplFriend1() {} 383 template<typename T> void funcTmplFriend2() {} 384 INST(funcTmplFriend1<ExplicitInst_Exported>) 385 INST(funcTmplFriend2<ExplicitInst_Exported>) 386 387 // MSC-DAG: define weak_odr dso_local dllexport void @"??$externalFuncTmpl@UExplicitInst_Exported@@@ns@@YAXXZ"() 388 // GNU-DAG: define weak_odr dso_local dllexport void @_ZN2ns16externalFuncTmplI21ExplicitInst_ExportedEEvv() 389 namespace ns { template<typename T> __declspec(dllexport) void externalFuncTmpl() {} } 390 INST(ns::externalFuncTmpl<ExplicitInst_Exported>) 391 392 393 template<typename T> void funcTmpl() {} 394 template<typename T> __declspec(dllexport) void exportedFuncTmpl() {} 395 396 // Export implicit instantiation of an exported function template. 397 // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UImplicitInst_Exported@@@@YAXXZ"() 398 // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ImplicitInst_ExportedEvv() 399 USE(exportedFuncTmpl<ImplicitInst_Exported>) 400 401 // Export explicit instantiation declaration of an exported function template. 402 // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitDecl_Exported@@@@YAXXZ"() 403 // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ExplicitDecl_ExportedEvv() 404 extern template void exportedFuncTmpl<ExplicitDecl_Exported>(); 405 template void exportedFuncTmpl<ExplicitDecl_Exported>(); 406 407 // Export explicit instantiation definition of an exported function template. 408 // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitInst_Exported@@@@YAXXZ"() 409 // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ExplicitInst_ExportedEvv() 410 template void exportedFuncTmpl<ExplicitInst_Exported>(); 411 412 // Export specialization of an exported function template. 413 // MSC-DAG: define dso_local dllexport void @"??$exportedFuncTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() 414 // GNU-DAG: define dso_local dllexport void @_Z16exportedFuncTmplI25ExplicitSpec_Def_ExportedEvv() 415 template<> __declspec(dllexport) void exportedFuncTmpl<ExplicitSpec_Def_Exported>() {} 416 417 // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() 418 // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI31ExplicitSpec_InlineDef_ExportedEvv() 419 template<> __declspec(dllexport) inline void exportedFuncTmpl<ExplicitSpec_InlineDef_Exported>() {} 420 421 // Not exporting specialization of an exported function template without 422 // explicit dllexport. 423 // MSC-DAG: define dso_local void @"??$exportedFuncTmpl@UExplicitSpec_NotExported@@@@YAXXZ"() 424 // GNU-DAG: define dso_local void @_Z16exportedFuncTmplI24ExplicitSpec_NotExportedEvv() 425 template<> void exportedFuncTmpl<ExplicitSpec_NotExported>() {} 426 427 428 // Export explicit instantiation declaration of a non-exported function template. 429 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitDecl_Exported@@@@YAXXZ"() 430 // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI21ExplicitDecl_ExportedEvv() 431 extern template __declspec(dllexport) void funcTmpl<ExplicitDecl_Exported>(); 432 template __declspec(dllexport) void funcTmpl<ExplicitDecl_Exported>(); 433 434 // Export explicit instantiation definition of a non-exported function template. 435 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitInst_Exported@@@@YAXXZ"() 436 // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI21ExplicitInst_ExportedEvv() 437 template __declspec(dllexport) void funcTmpl<ExplicitInst_Exported>(); 438 439 // Export specialization of a non-exported function template. 440 // MSC-DAG: define dso_local dllexport void @"??$funcTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() 441 // GNU-DAG: define dso_local dllexport void @_Z8funcTmplI25ExplicitSpec_Def_ExportedEvv() 442 template<> __declspec(dllexport) void funcTmpl<ExplicitSpec_Def_Exported>() {} 443 444 // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() 445 // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI31ExplicitSpec_InlineDef_ExportedEvv() 446 template<> __declspec(dllexport) inline void funcTmpl<ExplicitSpec_InlineDef_Exported>() {} 447 448 449 450 //===----------------------------------------------------------------------===// 451 // Precedence 452 //===----------------------------------------------------------------------===// 453 454 // dllexport takes precedence over the dllimport if both are specified. 455 // MSC-DAG: @"?PrecedenceGlobal1A@@3HA" = dso_local dllexport global i32 0, align 4 456 // MSC-DAG: @"?PrecedenceGlobal1B@@3HA" = dso_local dllexport global i32 0, align 4 457 // GNU-DAG: @PrecedenceGlobal1A = dso_local dllexport global i32 0, align 4 458 // GNU-DAG: @PrecedenceGlobal1B = dso_local dllexport global i32 0, align 4 459 __attribute__((dllimport, dllexport)) int PrecedenceGlobal1A; // dllimport ignored 460 __declspec(dllimport) __declspec(dllexport) int PrecedenceGlobal1B; // dllimport ignored 461 462 // MSC-DAG: @"?PrecedenceGlobal2A@@3HA" = dso_local dllexport global i32 0, align 4 463 // MSC-DAG: @"?PrecedenceGlobal2B@@3HA" = dso_local dllexport global i32 0, align 4 464 // GNU-DAG: @PrecedenceGlobal2A = dso_local dllexport global i32 0, align 4 465 // GNU-DAG: @PrecedenceGlobal2B = dso_local dllexport global i32 0, align 4 466 __attribute__((dllexport, dllimport)) int PrecedenceGlobal2A; // dllimport ignored 467 __declspec(dllexport) __declspec(dllimport) int PrecedenceGlobal2B; // dllimport ignored 468 469 // MSC-DAG: @"?PrecedenceGlobalRedecl1@@3HA" = dso_local dllexport global i32 0, align 4 470 // GNU-DAG: @PrecedenceGlobalRedecl1 = dso_local dllexport global i32 0, align 4 471 __declspec(dllexport) extern int PrecedenceGlobalRedecl1; 472 __declspec(dllimport) int PrecedenceGlobalRedecl1 = 0; 473 474 // MSC-DAG: @"?PrecedenceGlobalRedecl2@@3HA" = dso_local dllexport global i32 0, align 4 475 // GNU-DAG: @PrecedenceGlobalRedecl2 = dso_local dllexport global i32 0, align 4 476 __declspec(dllimport) extern int PrecedenceGlobalRedecl2; 477 __declspec(dllexport) int PrecedenceGlobalRedecl2; 478 479 // MSC-DAG: @"?PrecedenceGlobalMixed1@@3HA" = dso_local dllexport global i32 0, align 4 480 // GNU-DAG: @PrecedenceGlobalMixed1 = dso_local dllexport global i32 0, align 4 481 __attribute__((dllexport)) extern int PrecedenceGlobalMixed1; 482 __declspec(dllimport) int PrecedenceGlobalMixed1 = 0; 483 484 // MSC-DAG: @"?PrecedenceGlobalMixed2@@3HA" = dso_local dllexport global i32 0, align 4 485 // GNU-DAG: @PrecedenceGlobalMixed2 = dso_local dllexport global i32 0, align 4 486 __attribute__((dllimport)) extern int PrecedenceGlobalMixed2; 487 __declspec(dllexport) int PrecedenceGlobalMixed2; 488 489 // MSC-DAG: define dso_local dllexport void @"?precedence1A@@YAXXZ" 490 // MSC-DAG: define dso_local dllexport void @"?precedence1B@@YAXXZ" 491 // GNU-DAG: define dso_local dllexport void @_Z12precedence1Av() 492 // GNU-DAG: define dso_local dllexport void @_Z12precedence1Bv() 493 void __attribute__((dllimport, dllexport)) precedence1A() {} 494 void __declspec(dllimport) __declspec(dllexport) precedence1B() {} 495 496 // MSC-DAG: define dso_local dllexport void @"?precedence2A@@YAXXZ" 497 // MSC-DAG: define dso_local dllexport void @"?precedence2B@@YAXXZ" 498 // GNU-DAG: define dso_local dllexport void @_Z12precedence2Av() 499 // GNU-DAG: define dso_local dllexport void @_Z12precedence2Bv() 500 void __attribute__((dllexport, dllimport)) precedence2A() {} 501 void __declspec(dllexport) __declspec(dllimport) precedence2B() {} 502 503 // MSC-DAG: define dso_local dllexport void @"?precedenceRedecl1@@YAXXZ" 504 // GNU-DAG: define dso_local dllexport void @_Z17precedenceRedecl1v() 505 void __declspec(dllimport) precedenceRedecl1(); 506 void __declspec(dllexport) precedenceRedecl1() {} 507 508 // MSC-DAG: define dso_local dllexport void @"?precedenceRedecl2@@YAXXZ" 509 // GNU-DAG: define dso_local dllexport void @_Z17precedenceRedecl2v() 510 void __declspec(dllexport) precedenceRedecl2(); 511 void __declspec(dllimport) precedenceRedecl2() {} 512 513 514 515 //===----------------------------------------------------------------------===// 516 // Classes 517 //===----------------------------------------------------------------------===// 518 519 struct S { 520 void __declspec(dllexport) a() {} 521 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@S@@QAEXXZ" 522 523 struct T { 524 void __declspec(dllexport) a() {} 525 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@T@S@@QAEXXZ" 526 }; 527 }; 528 529 template <typename T> 530 struct SomeTemplate { 531 SomeTemplate(T o = T()) : o(o) {} 532 T o; 533 }; 534 // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}} @"??4?$SomeTemplate@H@@Q{{.+}}@$$Q{{.+}}@@Z" 535 // MSVC2013-DAG: define weak_odr dso_local dllexport {{.+}} @"??4?$SomeTemplate@H@@Q{{.+}}0@A{{.+}}0@@Z" 536 struct __declspec(dllexport) InheritFromTemplate : SomeTemplate<int> {}; 537 538 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$SomeTemplate@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat 539 540 namespace PR23801 { 541 template <typename> 542 struct S { 543 ~S() {} 544 }; 545 struct A { 546 A(int); 547 S<int> s; 548 }; 549 struct __declspec(dllexport) B { 550 B(A = 0) {} 551 }; 552 553 } 554 // 555 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FB@PR23801@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat 556 557 struct __declspec(dllexport) T { 558 // Copy assignment operator: 559 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.T* @"??4T@@QAEAAU0@ABU0@@Z" 560 561 // Explicitly defaulted copy constructur: 562 T(const T&) = default; 563 // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.T* @"??0T@@QAE@ABU0@@Z" 564 565 void a() {} 566 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@T@@QAEXXZ" 567 568 static int b; 569 // M32-DAG: @"?b@T@@2HA" = external dso_local global i32 570 571 static int c; 572 // M32-DAG: @"?c@T@@2HA" = dso_local dllexport global i32 0, align 4 573 }; 574 575 USEVAR(T::b) 576 int T::c; 577 578 // Export template class with static member variable 579 // MSC-DAG: @"?StaticClassVarExpTmplClass@?$TmplClass@H@@2HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4 580 // GNU-DAG: @_ZN9TmplClassIiE26StaticClassVarExpTmplClassE = weak_odr dso_local dllexport global i32 0, comdat, align 4 581 template<typename T> 582 struct __declspec(dllexport) TmplClass 583 { 584 static T StaticClassVarExpTmplClass; 585 }; 586 587 template<typename T> 588 T TmplClass<T>::StaticClassVarExpTmplClass; 589 590 // Export a definition of a template function. 591 // MSC-DAG: define weak_odr dso_local dllexport i32 @"??$TypeFunTmpl@H@@YAHH@Z" 592 // GNU-DAG: define weak_odr dso_local dllexport i32 @_Z11TypeFunTmplIiET_S0_ 593 template<typename T> 594 T __declspec(dllexport) TypeFunTmpl(T t) { return t + t; } 595 596 // Instantiate the exported template class and the exported template function. 597 int useExportedTmplStaticAndFun() 598 { 599 return TmplClass<int>::StaticClassVarExpTmplClass + TypeFunTmpl<int>(10); 600 } 601 602 template <typename T> struct __declspec(dllexport) U { void foo() {} }; 603 struct __declspec(dllexport) V : public U<int> { }; 604 // U<int>'s assignment operator is emitted. 605 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.U* @"??4?$U@H@@QAEAAU0@ABU0@@Z" 606 607 struct __declspec(dllexport) W { virtual void foo(); }; 608 void W::foo() {} 609 // Default ctor: 610 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.W* @"??0W@@QAE@XZ" 611 // Copy ctor: 612 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.W* @"??0W@@QAE@ABU0@@Z" 613 // vftable: 614 // M32-DAG: [[W_VTABLE:@.*]] = private unnamed_addr constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (%rtti.CompleteObjectLocator* @"??_R4W@@6B@" to i8*), i8* bitcast (void (%struct.W*)* @"?foo@W@@UAEXXZ" to i8*)] }, comdat($"??_7W@@6B@") 615 // M32-DAG: @"??_7W@@6B@" = dllexport unnamed_addr alias i8*, getelementptr inbounds ({ [2 x i8*] }, { [2 x i8*] }* [[W_VTABLE]], i32 0, i32 0, i32 1) 616 // G32-DAG: @_ZTV1W = dso_local dllexport unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1W to i8*), i8* bitcast (void (%struct.W*)* @_ZN1W3fooEv to i8*)] } 617 618 struct __declspec(dllexport) X : public virtual W {}; 619 // vbtable: 620 // M32-DAG: @"??_8X@@7B@" = weak_odr dllexport unnamed_addr constant [2 x i32] [i32 0, i32 4] 621 622 struct __declspec(dllexport) Y { 623 // Move assignment operator: 624 // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}} @"??4Y@@Q{{.+}}@$$Q{{.+}}@@Z" 625 // MSVC2013-DAG: define weak_odr dso_local dllexport {{.+}} @"??4Y@@Q{{.+}}0@A{{.+}}0@@Z" 626 627 int x; 628 }; 629 630 struct __declspec(dllexport) Z { virtual ~Z() {} }; 631 // The scalar deleting dtor does not get exported: 632 // M32-DAG: define linkonce_odr dso_local x86_thiscallcc i8* @"??_GZ@@UAEPAXI@Z" 633 634 635 // The user-defined dtor does get exported: 636 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1Z@@UAE@XZ" 637 638 namespace UseDtorAlias { 639 struct __declspec(dllexport) A { ~A(); }; 640 struct __declspec(dllexport) B : A { ~B(); }; 641 A::~A() { } 642 B::~B() { } 643 // Emit a alias definition of B's constructor. 644 // M32-DAG: @"??1B@UseDtorAlias@@QAE@XZ" = dso_local dllexport unnamed_addr alias {{.*}} @"??1A@UseDtorAlias@@QAE@XZ" 645 } 646 647 struct __declspec(dllexport) DefaultedCtorsDtors { 648 DefaultedCtorsDtors() = default; 649 // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"??0DefaultedCtorsDtors@@QAE@XZ" 650 ~DefaultedCtorsDtors() = default; 651 // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1DefaultedCtorsDtors@@QAE@XZ" 652 }; 653 654 // Export defaulted member function definitions declared inside class. 655 struct __declspec(dllexport) ExportDefaultedInclassDefs { 656 ExportDefaultedInclassDefs() = default; 657 // M32VS2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) 658 // M64VS2013-DAG: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) 659 // M32VS2015-NOT: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) 660 // M64VS2015-NOT: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) 661 662 ~ExportDefaultedInclassDefs() = default; 663 // M32VS2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this) 664 // M64VS2013-DAG: define weak_odr dso_local dllexport void @"??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this) 665 // M32VS2015-NOT: define weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this) 666 // M64VS2015-NOT: define weak_odr dso_local dllexport void @"??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this) 667 668 ExportDefaultedInclassDefs(const ExportDefaultedInclassDefs&) = default; 669 // M32VS2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} returned {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}})) 670 // M64VS2013-DAG: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} returned {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}})) 671 // M32VS2015-NOT: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} returned {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}})) 672 // M64VS2015-NOT: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} returned {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}})) 673 674 ExportDefaultedInclassDefs& operator=(const ExportDefaultedInclassDefs&) = default; 675 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.ExportDefaultedInclassDefs* @"??4ExportDefaultedInclassDefs@@QAEAAU0@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %0) 676 // M64-DAG: define weak_odr dso_local dllexport nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.ExportDefaultedInclassDefs* @"??4ExportDefaultedInclassDefs@@QEAAAEAU0@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* {{[^,]*}} %this, %struct.ExportDefaultedInclassDefs* nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %0) 677 }; 678 679 namespace ReferencedInlineMethodInNestedClass { 680 struct __declspec(dllexport) S { 681 void foo() { 682 t->bar(); 683 } 684 struct T { 685 void bar() {} 686 }; 687 T *t; 688 }; 689 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?foo@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" 690 // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?bar@T@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" 691 } 692 693 // MS ignores DLL attributes on partial specializations. 694 template <typename T> struct PartiallySpecializedClassTemplate {}; 695 template <typename T> struct __declspec(dllexport) PartiallySpecializedClassTemplate<T*> { void f(); }; 696 template <typename T> void PartiallySpecializedClassTemplate<T*>::f() {} 697 USEMEMFUNC(PartiallySpecializedClassTemplate<void*>, f); 698 // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?f@?$PartiallySpecializedClassTemplate@PAX@@QAEXXZ" 699 // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN33PartiallySpecializedClassTemplateIPvE1fEv 700 701 // Attributes on explicit specializations are honored. 702 template <typename T> struct ExplicitlySpecializedClassTemplate {}; 703 template <> struct __declspec(dllexport) ExplicitlySpecializedClassTemplate<void*> { void f(); }; 704 void ExplicitlySpecializedClassTemplate<void*>::f() {} 705 USEMEMFUNC(ExplicitlySpecializedClassTemplate<void*>, f); 706 // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitlySpecializedClassTemplate@PAX@@QAEXXZ" 707 // G32-DAG: define dso_local dllexport x86_thiscallcc void @_ZN34ExplicitlySpecializedClassTemplateIPvE1fEv 708 709 // MS inherits DLL attributes to partial specializations. 710 template <typename T> struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate {}; 711 template <typename T> struct PartiallySpecializedExportedClassTemplate<T*> { void f() {} }; 712 USEMEMFUNC(PartiallySpecializedExportedClassTemplate<void*>, f); 713 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PartiallySpecializedExportedClassTemplate@PAX@@QAEXXZ" 714 // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN41PartiallySpecializedExportedClassTemplateIPvE1fEv 715 716 // MS ignores DLL attributes on partial specializations; inheritance still works though. 717 template <typename T> struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate2 {}; 718 template <typename T> struct __declspec(dllimport) PartiallySpecializedExportedClassTemplate2<T*> { void f(); }; 719 template <typename T> void PartiallySpecializedExportedClassTemplate2<T*>::f() {} 720 USEMEMFUNC(PartiallySpecializedExportedClassTemplate2<void*>, f); 721 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PartiallySpecializedExportedClassTemplate2@PAX@@QAEXXZ" 722 // G32-DAG: declare dllimport x86_thiscallcc void @_ZN42PartiallySpecializedExportedClassTemplate2IPvE1fEv 723 724 // Attributes on the instantiation take precedence over attributes on the template. 725 template <typename T> struct __declspec(dllimport) ExplicitlyInstantiatedWithDifferentAttr { void f() {} }; 726 template struct __declspec(dllexport) ExplicitlyInstantiatedWithDifferentAttr<int>; 727 USEMEMFUNC(ExplicitlyInstantiatedWithDifferentAttr<int>, f); 728 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitlyInstantiatedWithDifferentAttr@H@@QAEXXZ" 729 730 // Don't create weak dllexport aliases. (PR21373) 731 struct NonExportedBaseClass { 732 virtual ~NonExportedBaseClass(); 733 }; 734 NonExportedBaseClass::~NonExportedBaseClass() {} 735 736 struct __declspec(dllexport) ExportedDerivedClass : NonExportedBaseClass {}; 737 // M32-DAG: weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportedDerivedClass@@UAE@XZ" 738 739 // Do not assert about generating code for constexpr functions twice during explicit instantiation (PR21718). 740 template <typename T> struct ExplicitInstConstexprMembers { 741 // Copy assignment operator 742 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align 1 dereferenceable(1) %struct.ExplicitInstConstexprMembers* @"??4?$ExplicitInstConstexprMembers@X@@QAEAAU0@ABU0@@Z" 743 744 constexpr ExplicitInstConstexprMembers() {} 745 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"??0?$ExplicitInstConstexprMembers@X@@QAE@XZ" 746 747 ExplicitInstConstexprMembers(const ExplicitInstConstexprMembers&) = default; 748 // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"??0?$ExplicitInstConstexprMembers@X@@QAE@ABU0@@Z" 749 750 constexpr int f() const { return 42; } 751 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc i32 @"?f@?$ExplicitInstConstexprMembers@X@@QBEHXZ" 752 }; 753 template struct __declspec(dllexport) ExplicitInstConstexprMembers<void>; 754 755 template <typename T> struct ExplicitInstantiationDeclTemplate { void f() {} }; 756 extern template struct __declspec(dllexport) ExplicitInstantiationDeclTemplate<int>; 757 USEMEMFUNC(ExplicitInstantiationDeclTemplate<int>, f); 758 // M32-DAG: {{declare|define available_externally}} dso_local x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclTemplate@H@@QAEXXZ" 759 760 template <typename T> struct __declspec(dllexport) ExplicitInstantiationDeclExportedTemplate { void f() {} }; 761 extern template struct ExplicitInstantiationDeclExportedTemplate<int>; 762 USEMEMFUNC(ExplicitInstantiationDeclExportedTemplate<int>, f); 763 // M32-DAG: {{declare|define available_externally}} dso_local x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclExportedTemplate@H@@QAEXXZ" 764 765 template <typename T> struct ExplicitInstantiationDeclExportedDefTemplate { void f() {} ExplicitInstantiationDeclExportedDefTemplate() {} }; 766 extern template struct ExplicitInstantiationDeclExportedDefTemplate<int>; 767 template struct __declspec(dllexport) ExplicitInstantiationDeclExportedDefTemplate<int>; 768 USEMEMFUNC(ExplicitInstantiationDeclExportedDefTemplate<int>, f); 769 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAEXXZ" 770 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstantiationDeclExportedDefTemplate* @"??0?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAE@XZ" 771 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN44ExplicitInstantiationDeclExportedDefTemplateIiE1fEv 772 773 template <typename T> struct ImplicitInstantiationExportedExplicitInstantiationDefTemplate { virtual void f() {} }; 774 ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int> ImplicitInstantiationExportedExplicitInstantiationDefTemplateInstance; 775 template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int>; 776 USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int>, f); 777 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExportedExplicitInstantiationDefTemplate@H@@UAEXXZ" 778 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN61ImplicitInstantiationExportedExplicitInstantiationDefTemplateIiE1fEv 779 780 template <typename T> struct __declspec(dllexport) ImplicitInstantiationExplicitInstantiationDefExportedTemplate { virtual void f() {} }; 781 ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int> ImplicitInstantiationExplicitInstantiationDefExportedTemplateInstance; 782 template struct ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int>; 783 USEMEMFUNC(ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int>, f); 784 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExplicitInstantiationDefExportedTemplate@H@@UAEXXZ" 785 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN61ImplicitInstantiationExplicitInstantiationDefExportedTemplateIiE1fEv 786 787 template <typename T> struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate { virtual void f() {} }; 788 ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int> ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplateInstance; 789 template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int>; 790 USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int>, f); 791 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate@H@@UAEXXZ" 792 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN69ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplateIiE1fEv 793 794 namespace { struct InternalLinkageType {}; } 795 struct __declspec(dllexport) PR23308 { 796 void f(InternalLinkageType*); 797 }; 798 void PR23308::f(InternalLinkageType*) {} 799 long use(PR23308* p) { p->f(nullptr); } 800 // M32-DAG: define internal x86_thiscallcc void @"?f@PR23308@@QAEXPAUInternalLinkageType@?A0x{{[^@]*}}@@@Z" 801 802 template <typename T> struct PR23770BaseTemplate { void f() {} }; 803 template <typename T> struct PR23770DerivedTemplate : PR23770BaseTemplate<int> {}; 804 extern template struct PR23770DerivedTemplate<int>; 805 template struct __declspec(dllexport) PR23770DerivedTemplate<int>; 806 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PR23770BaseTemplate@H@@QAEXXZ" 807 808 namespace InClassInits { 809 810 struct __declspec(dllexport) S { 811 int x = 42; 812 }; 813 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::S"* @"??0S@InClassInits@@QAE@XZ" 814 815 // dllexport an already instantiated class template. 816 template <typename T> struct Base { 817 int x = 42; 818 }; 819 Base<int> base; 820 struct __declspec(dllexport) T : Base<int> { }; 821 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::Base"* @"??0?$Base@H@InClassInits@@QAE@XZ" 822 823 struct A { A(int); }; 824 struct __declspec(dllexport) U { 825 // Class with both default constructor closure and in-class initializer. 826 U(A = 0) {} 827 int x = 0; 828 }; 829 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::U"* @"??0U@InClassInits@@QAE@UA@1@@Z" 830 831 struct Evil { 832 template <typename T> struct Base { 833 int x = 0; 834 }; 835 struct S : Base<int> {}; 836 // The already instantiated Base<int> becomes dllexported below, but the 837 // in-class initializer for Base<>::x still hasn't been parsed, so emitting 838 // the default ctor must still be delayed. 839 struct __declspec(dllexport) T : Base<int> {}; 840 }; 841 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::Evil::Base"* @"??0?$Base@H@Evil@InClassInits@@QAE@XZ" 842 843 template <typename T> struct Foo {}; 844 template <typename T> struct Bar { 845 Bar<T> &operator=(Foo<T>) {} 846 }; 847 struct __declspec(dllexport) Baz { 848 Bar<int> n; 849 }; 850 // After parsing Baz, in ActOnFinishCXXNonNestedClass we would synthesize 851 // Baz's operator=, causing instantiation of Foo<int> after which 852 // ActOnFinishCXXNonNestedClass is called, and we would bite our own tail. 853 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align 1 dereferenceable(1) %"struct.InClassInits::Baz"* @"??4Baz@InClassInits@@QAEAAU01@ABU01@@Z" 854 855 // Trying to define the explicitly defaulted ctor must be delayed until the 856 // in-class initializer for x has been processed. 857 struct PR40006 { 858 __declspec(dllexport) PR40006() = default; 859 int x = 42; 860 }; 861 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::PR40006"* @"??0PR40006@InClassInits@@QAE@XZ" 862 863 namespace pr40006 { 864 // Delay emitting the method also past the instantiation of Tmpl<Inner>, i.e. 865 // until the top-level class Outer is completely finished. 866 template<typename> struct Tmpl {}; 867 struct Outer { 868 struct Inner { 869 __declspec(dllexport) Inner() = default; 870 unsigned int x = 0; 871 }; 872 Tmpl<Inner> y; 873 }; 874 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::pr40006::Outer::Inner"* @"??0Inner@Outer@pr40006@InClassInits@@QAE@XZ" 875 } 876 877 // PR42857: Clang would try to emit the non-trivial explicitly defaulted 878 // dllexport ctor twice when doing an explicit instantiation definition. 879 struct Qux { Qux(); }; 880 template <typename T> struct PR42857 { __declspec(dllexport) PR42857() = default; Qux q; }; 881 template struct PR42857<int>; 882 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::PR42857"* @"??0?$PR42857@H@InClassInits@@QAE@XZ" 883 884 } 885 886 // We had an issue where instantiating A would force emission of B's delayed 887 // exported methods. 888 namespace pr26490 { 889 template <typename T> struct A { }; 890 struct __declspec(dllexport) B { 891 B(int = 0) {} 892 A<int> m_fn1() {} 893 }; 894 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FB@pr26490@@QAEXXZ" 895 } 896 897 // dllexport trumps dllimport on an explicit instantiation. 898 template <typename T> struct ExplicitInstantiationTwoAttributes { void f() {} }; 899 template struct __declspec(dllexport) __declspec(dllimport) ExplicitInstantiationTwoAttributes<int>; 900 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitInstantiationTwoAttributes@H@@QAEXXZ" 901 902 namespace pr34849 { 903 // Specializations of exported class template member functions get exported. 904 template <typename> struct __declspec(dllexport) ExportedClassTemplate { void foo(); }; 905 template<> void ExportedClassTemplate<int>::foo() {} 906 template struct ExportedClassTemplate<int>; 907 // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?foo@?$ExportedClassTemplate@H@pr34849@@QAEXXZ" 908 909 // Specializations of exported class member template functions do not get exported. 910 struct __declspec(dllexport) ExportedClass { template <typename> void bar() ; }; 911 template<> void ExportedClass::bar<int>() {} 912 // M32-DAG: define dso_local x86_thiscallcc void @"??$bar@H@ExportedClass@pr34849@@QAEXXZ" 913 template <typename> struct __declspec(dllexport) ExportedClassTemplate2 { template <typename> void baz(); }; 914 template<> template<> void ExportedClassTemplate2<int>::baz<int>() {} 915 // M32-DAG: define dso_local x86_thiscallcc void @"??$baz@H@?$ExportedClassTemplate2@H@pr34849@@QAEXXZ" 916 } 917 918 namespace pr47683 { 919 struct X { X() {} }; 920 921 template <typename> struct S { 922 S() = default; 923 X x; 924 }; 925 template struct __declspec(dllexport) S<int>; 926 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::S"* @"??0?$S@H@pr47683@@QAE@XZ" 927 928 template <typename> struct T { 929 T() = default; 930 X x; 931 }; 932 extern template struct T<int>; 933 template struct __declspec(dllexport) T<int>; 934 // Don't assert about multiple codegen for explicitly defaulted method in explicit instantiation def. 935 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::T"* @"??0?$T@H@pr47683@@QAE@XZ" 936 937 template <typename> struct U { 938 U(); 939 X x; 940 }; 941 template <typename T> U<T>::U() = default; 942 extern template struct U<int>; 943 template struct __declspec(dllexport) U<int>; 944 // Same as T, but with out-of-line ctor. 945 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::U"* @"??0?$U@H@pr47683@@QAE@XZ" 946 } 947 948 //===----------------------------------------------------------------------===// 949 // Classes with template base classes 950 //===----------------------------------------------------------------------===// 951 952 template <typename T> struct ClassTemplate { void func(); }; 953 template <typename T> void ClassTemplate<T>::func() {} 954 template <typename T> struct __declspec(dllexport) ExportedClassTemplate { void func(); }; 955 template <typename T> void ExportedClassTemplate<T>::func() {} 956 template <typename T> struct __declspec(dllimport) ImportedClassTemplate { void func(); }; 957 template <typename T> void ImportedClassTemplate<T>::func() {} 958 959 template <typename T> struct ExplicitlySpecializedTemplate { void func() {} }; 960 template <> struct ExplicitlySpecializedTemplate<int> { void func(); }; 961 void ExplicitlySpecializedTemplate<int>::func() {} 962 template <typename T> struct ExplicitlyExportSpecializedTemplate { void func() {} }; 963 template <> struct __declspec(dllexport) ExplicitlyExportSpecializedTemplate<int> { void func(); }; 964 void ExplicitlyExportSpecializedTemplate<int>::func() {} 965 template <typename T> struct ExplicitlyImportSpecializedTemplate { void func(); }; 966 template <> struct __declspec(dllimport) ExplicitlyImportSpecializedTemplate<int> { void func(); }; 967 968 template <typename T> struct ExplicitlyInstantiatedTemplate { void func(); }; 969 template <typename T> void ExplicitlyInstantiatedTemplate<T>::func() {} 970 template struct ExplicitlyInstantiatedTemplate<int>; 971 template <typename T> struct ExplicitlyExportInstantiatedTemplate { void func(); }; 972 template <typename T> void ExplicitlyExportInstantiatedTemplate<T>::func() {} 973 template struct __declspec(dllexport) ExplicitlyExportInstantiatedTemplate<int>; 974 template <typename T> struct ExplicitlyImportInstantiatedTemplate { void func(); }; 975 template struct __declspec(dllimport) ExplicitlyImportInstantiatedTemplate<int>; 976 977 978 // MS: ClassTemplate<int> gets exported. 979 struct __declspec(dllexport) DerivedFromTemplate : public ClassTemplate<int> {}; 980 USEMEMFUNC(DerivedFromTemplate, func) 981 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ClassTemplate@H@@QAEXXZ" 982 // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIiE4funcEv 983 984 // ExportedTemplate is explicitly exported. 985 struct __declspec(dllexport) DerivedFromExportedTemplate : public ExportedClassTemplate<int> {}; 986 USEMEMFUNC(DerivedFromExportedTemplate, func) 987 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExportedClassTemplate@H@@QAEXXZ" 988 // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN21ExportedClassTemplateIiE4funcEv 989 990 // ImportedClassTemplate is explicitly imported. 991 struct __declspec(dllexport) DerivedFromImportedTemplate : public ImportedClassTemplate<int> {}; 992 USEMEMFUNC(DerivedFromImportedTemplate, func) 993 // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$ImportedClassTemplate@H@@QAEXXZ" 994 // G32-DAG: declare dllimport x86_thiscallcc void @_ZN21ImportedClassTemplateIiE4funcEv 995 996 // Base class already implicitly instantiated without dll attribute. 997 struct DerivedFromTemplateD : public ClassTemplate<double> {}; 998 struct __declspec(dllexport) DerivedFromTemplateD2 : public ClassTemplate<double> {}; 999 USEMEMFUNC(DerivedFromTemplateD2, func) 1000 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ClassTemplate@N@@QAEXXZ" 1001 // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIdE4funcEv 1002 1003 // MS: Base class already instantiated with different dll attribute. 1004 struct __declspec(dllimport) DerivedFromTemplateB : public ClassTemplate<bool> {}; 1005 struct __declspec(dllexport) DerivedFromTemplateB2 : public ClassTemplate<bool> {}; 1006 USEMEMFUNC(DerivedFromTemplateB2, func) 1007 // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$ClassTemplate@_N@@QAEXXZ" 1008 // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIbE4funcEv 1009 1010 // Base class already specialized without dll attribute. 1011 struct __declspec(dllexport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate<int> {}; 1012 USEMEMFUNC(DerivedFromExplicitlySpecializedTemplate, func) 1013 // M32-DAG: define dso_local x86_thiscallcc void @"?func@?$ExplicitlySpecializedTemplate@H@@QAEXXZ" 1014 // G32-DAG: define dso_local x86_thiscallcc void @_ZN29ExplicitlySpecializedTemplateIiE4funcEv 1015 1016 // Base class alredy specialized with export attribute. 1017 struct __declspec(dllexport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate<int> {}; 1018 USEMEMFUNC(DerivedFromExplicitlyExportSpecializedTemplate, func) 1019 // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportSpecializedTemplate@H@@QAEXXZ" 1020 // G32-DAG: define dso_local dllexport x86_thiscallcc void @_ZN35ExplicitlyExportSpecializedTemplateIiE4funcEv 1021 1022 // Base class already specialized with import attribute. 1023 struct __declspec(dllexport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate<int> {}; 1024 USEMEMFUNC(DerivedFromExplicitlyImportSpecializedTemplate, func) 1025 // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportSpecializedTemplate@H@@QAEXXZ" 1026 // G32-DAG: declare dllimport x86_thiscallcc void @_ZN35ExplicitlyImportSpecializedTemplateIiE4funcEv 1027 1028 // Base class already instantiated without dll attribute. 1029 struct __declspec(dllexport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate<int> {}; 1030 USEMEMFUNC(DerivedFromExplicitlyInstantiatedTemplate, func) 1031 // M32-DAG: define weak_odr dso_local x86_thiscallcc void @"?func@?$ExplicitlyInstantiatedTemplate@H@@QAEXXZ" 1032 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN30ExplicitlyInstantiatedTemplateIiE4funcEv 1033 1034 // Base class already instantiated with export attribute. 1035 struct __declspec(dllexport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate<int> {}; 1036 USEMEMFUNC(DerivedFromExplicitlyExportInstantiatedTemplate, func) 1037 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportInstantiatedTemplate@H@@QAEXXZ" 1038 // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN36ExplicitlyExportInstantiatedTemplateIiE4funcEv 1039 1040 // Base class already instantiated with import attribute. 1041 struct __declspec(dllexport) DerivedFromExplicitlyImportInstantiatedTemplate : public ExplicitlyImportInstantiatedTemplate<int> {}; 1042 USEMEMFUNC(DerivedFromExplicitlyImportInstantiatedTemplate, func) 1043 // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportInstantiatedTemplate@H@@QAEXXZ" 1044 // G32-DAG: declare dllimport x86_thiscallcc void @_ZN36ExplicitlyImportInstantiatedTemplateIiE4funcEv 1045 1046 // MS: A dll attribute propagates through multiple levels of instantiation. 1047 template <typename T> struct TopClass { void func() {} }; 1048 template <typename T> struct MiddleClass : public TopClass<T> { }; 1049 struct __declspec(dllexport) BottomClass : public MiddleClass<int> { }; 1050 USEMEMFUNC(BottomClass, func) 1051 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$TopClass@H@@QAEXXZ" 1052 // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN8TopClassIiE4funcEv 1053 1054 template <typename T> struct ExplicitInstantiationDeclTemplateBase { void func() {} }; 1055 extern template struct ExplicitInstantiationDeclTemplateBase<int>; 1056 struct __declspec(dllexport) DerivedFromExplicitInstantiationDeclTemplateBase : public ExplicitInstantiationDeclTemplateBase<int> {}; 1057 template struct ExplicitInstantiationDeclTemplateBase<int>; 1058 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitInstantiationDeclTemplateBase@H@@QAEXXZ" 1059 // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN37ExplicitInstantiationDeclTemplateBaseIiE4funcEv 1060 1061 // PR26076 1062 struct LayerSelectionBound; 1063 template <typename> struct Selection {}; 1064 typedef Selection<LayerSelectionBound> LayerSelection; 1065 struct LayerImpl; 1066 struct __declspec(dllexport) LayerTreeImpl { 1067 struct __declspec(dllexport) ElementLayers { 1068 LayerImpl *main = nullptr; 1069 }; 1070 LayerSelection foo; 1071 }; 1072 // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.LayerTreeImpl::ElementLayers"* @"??0ElementLayers@LayerTreeImpl@@QAE@XZ" 1073 // M64-DAG: define weak_odr dso_local dllexport %"struct.LayerTreeImpl::ElementLayers"* @"??0ElementLayers@LayerTreeImpl@@QEAA@XZ" 1074 1075 namespace pr39496 { 1076 // Make sure dll attribute are inherited by static locals also in template 1077 // specializations. 1078 template <typename> struct __declspec(dllexport) S { int foo() { static int x; return x++; } }; 1079 int foo() { S<int> s; return s.foo(); } 1080 // MSC-DAG: @"?x@?{{1|2}}??foo@?$S@H@pr39496@@Q{{[A-Z]*}}HXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4 1081 1082 template <typename> struct T { int foo() { static int x; return x++; } }; 1083 template struct __declspec(dllexport) T<int>; 1084 // MSC-DAG: @"?x@?{{1|2}}??foo@?$T@H@pr39496@@Q{{[A-Z]*}}HXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4 1085 } 1086 1087 class __declspec(dllexport) ACE_Shared_Object { 1088 public: 1089 virtual ~ACE_Shared_Object(); 1090 }; 1091 class __declspec(dllexport) ACE_Service_Object : public ACE_Shared_Object {}; 1092 // Implicit move constructor declaration. 1093 // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q 1094 // The declarations should not be exported. 1095 // MSVC2013-NOT: define weak_odr dso_local dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q 1096