// RUN: %clang_cc1 -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 // RUN: %clang_cc1 -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 // RUN: %clang_cc1 -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 // RUN: %clang_cc1 -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 // RUN: %clang_cc1 -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 // RUN: %clang_cc1 -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 // Helper structs to make templates more expressive. struct ImplicitInst_Exported {}; struct ExplicitDecl_Exported {}; struct ExplicitInst_Exported {}; struct ExplicitSpec_Exported {}; struct ExplicitSpec_Def_Exported {}; struct ExplicitSpec_InlineDef_Exported {}; struct ExplicitSpec_NotExported {}; struct External { int v; }; #define JOIN2(x, y) x##y #define JOIN(x, y) JOIN2(x, y) #define UNIQ(name) JOIN(name, __LINE__) #define USEVAR(var) int UNIQ(use)() { return var; } #define USE(func) void UNIQ(use)() { func(); } #define USEMEMFUNC(class, func) void (class::*UNIQ(use)())() { return &class::func; } #define INSTVAR(var) template int var; #define INST(func) template void func(); // The vftable for struct W is comdat largest because we have RTTI. // M32-DAG: $"??_7W@@6B@" = comdat largest // M32-DAG: $"?smember@?$Base@H@PR32992@@0HA" = comdat any //===----------------------------------------------------------------------===// // Globals //===----------------------------------------------------------------------===// // Declarations are not exported. // MSC-NOT: @"?ExternGlobalDecl@@3HA" // GNU-NOT: @ExternGlobalDecl __declspec(dllexport) extern int ExternGlobalDecl; // M64-DAG: @__ImageBase = external dso_local constant i8 // GNU-DAG: @_ZTVN10__cxxabiv117__class_type_infoE = external global // dllexport implies a definition. // MSC-DAG: @"?GlobalDef@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @GlobalDef = dso_local dllexport global i32 0, align 4 __declspec(dllexport) int GlobalDef; // Export definition. // MSC-DAG: @"?GlobalInit1@@3HA" = dso_local dllexport global i32 1, align 4 // GNU-DAG: @GlobalInit1 = dso_local dllexport global i32 1, align 4 __declspec(dllexport) int GlobalInit1 = 1; // MSC-DAG: @"?GlobalInit2@@3HA" = dso_local dllexport global i32 1, align 4 // GNU-DAG: @GlobalInit2 = dso_local dllexport global i32 1, align 4 int __declspec(dllexport) GlobalInit2 = 1; // Declare, then export definition. // MSC-DAG: @"?GlobalDeclInit@@3HA" = dso_local dllexport global i32 1, align 4 // GNU-DAG: @GlobalDeclInit = dso_local dllexport global i32 1, align 4 __declspec(dllexport) extern int GlobalDeclInit; int GlobalDeclInit = 1; // Redeclarations // MSC-DAG: @"?GlobalRedecl1@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @GlobalRedecl1 = dso_local dllexport global i32 0, align 4 __declspec(dllexport) extern int GlobalRedecl1; __declspec(dllexport) int GlobalRedecl1; // MSC-DAG: @"?GlobalRedecl2@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @GlobalRedecl2 = dso_local dllexport global i32 0, align 4 __declspec(dllexport) extern int GlobalRedecl2; int GlobalRedecl2; // MSC-DAG: @"?ExternalGlobal@ns@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @_ZN2ns14ExternalGlobalE = dso_local dllexport global i32 0, align 4 namespace ns { __declspec(dllexport) int ExternalGlobal; } // MSC-DAG: @"?ExternalAutoTypeGlobal@@3UExternal@@A" = dso_local dllexport global %struct.External zeroinitializer, align 4 // GNU-DAG: @ExternalAutoTypeGlobal = dso_local dllexport global %struct.External zeroinitializer, align 4 __declspec(dllexport) auto ExternalAutoTypeGlobal = External(); int f(); // MSC-DAG: @"?x@?1??nonInlineStaticLocalsFunc@@YAHXZ@4HA" = internal {{(unnamed_addr )*}}global i32 0 // MSC-DAG: @"?$S1@?1??nonInlineStaticLocalsFunc@@YAHXZ@4IA" = internal {{(unnamed_addr )*}}global i32 0 int __declspec(dllexport) nonInlineStaticLocalsFunc() { static int x = f(); return x++; }; // MSC-DAG: @"?x@?1??inlineStaticLocalsFunc@@YAHXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat // MSC-DAG: @"??_B?1??inlineStaticLocalsFunc@@YAHXZ@51" = weak_odr dllexport global i32 0, comdat // Note: MinGW doesn't seem to export the static local here. inline int __declspec(dllexport) inlineStaticLocalsFunc() { static int x = f(); return x++; } namespace PR32992 { // Static data members of a instantiated base class should be exported. template class Base { virtual void myfunc() {} static int smember; }; // MSC-DAG: @"?smember@?$Base@H@PR32992@@0HA" = weak_odr dso_local dllexport global i32 77, comdat, align 4 template int Base::smember = 77; template class __declspec(dllexport) Derived2 : Base { void myfunc() {} }; class Derived : public Derived2 { void myfunc() {} }; } // namespace PR32992 namespace PR32992_1 { namespace a { enum b { c }; } template class d { static constexpr a::b e = a::c; }; namespace f { template class h : d {}; } using f::h; class __declspec(dllexport) i : h<> {}; } //===----------------------------------------------------------------------===// // Variable templates //===----------------------------------------------------------------------===// // Declarations are not exported. // MSC-DAG: @"??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = external dso_local global // GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE = external global template __declspec(dllexport) extern int VarTmplImplicitDef; USEVAR(VarTmplImplicitDef) // Export definition. // MSC-DAG: @"??$VarTmplInit1@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z12VarTmplInit1I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) int VarTmplInit1 = 1; INSTVAR(VarTmplInit1) // MSC-DAG: @"??$VarTmplInit2@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z12VarTmplInit2I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template int __declspec(dllexport) VarTmplInit2 = 1; INSTVAR(VarTmplInit2) // Declare, then export definition. // MSC-DAG: @"??$VarTmplDeclInit@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z15VarTmplDeclInitI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) extern int VarTmplDeclInit; template int VarTmplDeclInit = 1; INSTVAR(VarTmplDeclInit) // Redeclarations // MSC-DAG: @"??$VarTmplRedecl1@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z14VarTmplRedecl1I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) extern int VarTmplRedecl1; template __declspec(dllexport) int VarTmplRedecl1 = 1; INSTVAR(VarTmplRedecl1) // MSC-DAG: @"??$VarTmplRedecl2@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z14VarTmplRedecl2I21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) extern int VarTmplRedecl2; template int VarTmplRedecl2 = 1; INSTVAR(VarTmplRedecl2) // MSC-DAG: @"??$ExternalVarTmpl@UExplicitInst_Exported@@@ns@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_ZN2ns15ExternalVarTmplI21ExplicitInst_ExportedEE = weak_odr dso_local dllexport global i32 1, comdat, align 4 namespace ns { template __declspec(dllexport) int ExternalVarTmpl = 1; } INSTVAR(ns::ExternalVarTmpl) // MSC-DAG: @"??$ExternalAutoTypeVarTmpl@UExplicitInst_Exported@@@@3UExternal@@A" = weak_odr dso_local dllexport global %struct.External zeroinitializer, comdat, align 4 // GNU-DAG: @_Z23ExternalAutoTypeVarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global %struct.External zeroinitializer, comdat, align 4 template __declspec(dllexport) auto ExternalAutoTypeVarTmpl = External(); template External ExternalAutoTypeVarTmpl; template int VarTmpl = 1; template __declspec(dllexport) int ExportedVarTmpl = 1; // Export implicit instantiation of an exported variable template. // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ImplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 USEVAR(ExportedVarTmpl) // Export explicit instantiation declaration of an exported variable template. // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitDecl_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 extern template int ExportedVarTmpl; template int ExportedVarTmpl; // Export explicit instantiation definition of an exported variable template. // MSC-DAG: @"??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) int ExportedVarTmpl; // Export specialization of an exported variable template. // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_Exported@@@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitSpec_ExportedE = dso_local dllexport global i32 0, align 4 template<> __declspec(dllexport) int ExportedVarTmpl; // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dso_local dllexport global i32 1, align 4 // GNU-DAG: @_Z15ExportedVarTmplI25ExplicitSpec_Def_ExportedE = dso_local dllexport global i32 1, align 4 template<> __declspec(dllexport) int ExportedVarTmpl = 1; // Not exporting specialization of an exported variable template without // explicit dllexport. // MSC-DAG: @"??$ExportedVarTmpl@UExplicitSpec_NotExported@@@@3HA" = dso_local global i32 0, align 4 // GNU-DAG: @_Z15ExportedVarTmplI24ExplicitSpec_NotExportedE = dso_local global i32 0, align 4 template<> int ExportedVarTmpl; // Export explicit instantiation declaration of a non-exported variable template. // MSC-DAG: @"??$VarTmpl@UExplicitDecl_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitDecl_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 extern template __declspec(dllexport) int VarTmpl; template __declspec(dllexport) int VarTmpl; // Export explicit instantiation definition of a non-exported variable template. // MSC-DAG: @"??$VarTmpl@UExplicitInst_Exported@@@@3HA" = weak_odr dso_local dllexport global i32 1, comdat, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitInst_ExportedE = weak_odr dso_local dllexport global i32 1, comdat, align 4 template __declspec(dllexport) int VarTmpl; // Export specialization of a non-exported variable template. // MSC-DAG: @"??$VarTmpl@UExplicitSpec_Exported@@@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitSpec_ExportedE = dso_local dllexport global i32 0, align 4 template<> __declspec(dllexport) int VarTmpl; // MSC-DAG: @"??$VarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dso_local dllexport global i32 1, align 4 // GNU-DAG: @_Z7VarTmplI25ExplicitSpec_Def_ExportedE = dso_local dllexport global i32 1, align 4 template<> __declspec(dllexport) int VarTmpl = 1; //===----------------------------------------------------------------------===// // Functions //===----------------------------------------------------------------------===// // Declarations are not exported. // Export function definition. // MSC-DAG: define dso_local dllexport void @"?def@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z3defv() __declspec(dllexport) void def() {} // extern "C" // MSC-DAG: define dso_local dllexport void @externC() // GNU-DAG: define dso_local dllexport void @externC() extern "C" __declspec(dllexport) void externC() {} // Export inline function. // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineFunc@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z10inlineFuncv() __declspec(dllexport) inline void inlineFunc() {} // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineDecl@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z10inlineDeclv() __declspec(dllexport) inline void inlineDecl(); void inlineDecl() {} // MSC-DAG: define weak_odr dso_local dllexport void @"?inlineDef@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z9inlineDefv() __declspec(dllexport) void inlineDef(); inline void inlineDef() {} // Redeclarations // MSC-DAG: define dso_local dllexport void @"?redecl1@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z7redecl1v() __declspec(dllexport) void redecl1(); __declspec(dllexport) void redecl1() {} // MSC-DAG: define dso_local dllexport void @"?redecl2@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z7redecl2v() __declspec(dllexport) void redecl2(); void redecl2() {} // Friend functions // MSC-DAG: define dso_local dllexport void @"?friend1@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z7friend1v() // MSC-DAG: define dso_local dllexport void @"?friend2@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z7friend2v() struct FuncFriend { friend __declspec(dllexport) void friend1(); friend __declspec(dllexport) void friend2(); }; __declspec(dllexport) void friend1() {} void friend2() {} // MSC-DAG: define dso_local dllexport void @"?func@Befriended@@SAXXZ"() // GNU-DAG: define dso_local dllexport void @_ZN10Befriended4funcEv() struct __declspec(dllexport) Befriended { static void func(); struct Befriending { friend void Befriended::func(); }; }; void Befriended::func() {} // Implicit declarations can be redeclared with dllexport. // MSC-DAG: define dso_local dllexport nonnull i8* @"??2@{{YAPAXI|YAPEAX_K}}@Z"( // GNU-DAG: define dso_local dllexport nonnull i8* @_Znw{{[yj]}}( void* alloc(__SIZE_TYPE__ n); __declspec(dllexport) void* operator new(__SIZE_TYPE__ n) { return alloc(n); } // MSC-DAG: define dso_local dllexport void @"?externalFunc@ns@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_ZN2ns12externalFuncEv() namespace ns { __declspec(dllexport) void externalFunc() {} } //===----------------------------------------------------------------------===// // Function templates //===----------------------------------------------------------------------===// // Export function template definition. // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplDef@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z11funcTmplDefI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplDef() {} INST(funcTmplDef) // Export inline function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmpl1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15inlineFuncTmpl1I21ExplicitInst_ExportedEvv() template __declspec(dllexport) inline void inlineFuncTmpl1() {} INST(inlineFuncTmpl1) // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmpl2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15inlineFuncTmpl2I21ExplicitInst_ExportedEvv() template inline void __attribute__((dllexport)) inlineFuncTmpl2() {} INST(inlineFuncTmpl2) // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmplDecl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z18inlineFuncTmplDeclI21ExplicitInst_ExportedEvv() template __declspec(dllexport) inline void inlineFuncTmplDecl(); template void inlineFuncTmplDecl() {} INST(inlineFuncTmplDecl) // MSC-DAG: define weak_odr dso_local dllexport void @"??$inlineFuncTmplDef@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z17inlineFuncTmplDefI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void inlineFuncTmplDef(); template inline void inlineFuncTmplDef() {} INST(inlineFuncTmplDef) // Redeclarations // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl1I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl1(); template __declspec(dllexport) void funcTmplRedecl1() {} INST(funcTmplRedecl1) // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl2I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl2(); template void funcTmplRedecl2() {} INST(funcTmplRedecl2) // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplRedecl3@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplRedecl3I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl3(); template void funcTmplRedecl3() {} INST(funcTmplRedecl3) // Function template friends // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplFriend1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplFriend1I21ExplicitInst_ExportedEvv() // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmplFriend2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z15funcTmplFriend2I21ExplicitInst_ExportedEvv() struct FuncTmplFriend { template friend __declspec(dllexport) void funcTmplFriend1(); template friend __declspec(dllexport) void funcTmplFriend2(); }; template __declspec(dllexport) void funcTmplFriend1() {} template void funcTmplFriend2() {} INST(funcTmplFriend1) INST(funcTmplFriend2) // MSC-DAG: define weak_odr dso_local dllexport void @"??$externalFuncTmpl@UExplicitInst_Exported@@@ns@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_ZN2ns16externalFuncTmplI21ExplicitInst_ExportedEEvv() namespace ns { template __declspec(dllexport) void externalFuncTmpl() {} } INST(ns::externalFuncTmpl) template void funcTmpl() {} template __declspec(dllexport) void exportedFuncTmpl() {} // Export implicit instantiation of an exported function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UImplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ImplicitInst_ExportedEvv() USE(exportedFuncTmpl) // Export explicit instantiation declaration of an exported function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitDecl_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ExplicitDecl_ExportedEvv() extern template void exportedFuncTmpl(); template void exportedFuncTmpl(); // Export explicit instantiation definition of an exported function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI21ExplicitInst_ExportedEvv() template void exportedFuncTmpl(); // Export specialization of an exported function template. // MSC-DAG: define dso_local dllexport void @"??$exportedFuncTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z16exportedFuncTmplI25ExplicitSpec_Def_ExportedEvv() template<> __declspec(dllexport) void exportedFuncTmpl() {} // MSC-DAG: define weak_odr dso_local dllexport void @"??$exportedFuncTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z16exportedFuncTmplI31ExplicitSpec_InlineDef_ExportedEvv() template<> __declspec(dllexport) inline void exportedFuncTmpl() {} // Not exporting specialization of an exported function template without // explicit dllexport. // MSC-DAG: define dso_local void @"??$exportedFuncTmpl@UExplicitSpec_NotExported@@@@YAXXZ"() // GNU-DAG: define dso_local void @_Z16exportedFuncTmplI24ExplicitSpec_NotExportedEvv() template<> void exportedFuncTmpl() {} // Export explicit instantiation declaration of a non-exported function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitDecl_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI21ExplicitDecl_ExportedEvv() extern template __declspec(dllexport) void funcTmpl(); template __declspec(dllexport) void funcTmpl(); // Export explicit instantiation definition of a non-exported function template. // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmpl(); // Export specialization of a non-exported function template. // MSC-DAG: define dso_local dllexport void @"??$funcTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() // GNU-DAG: define dso_local dllexport void @_Z8funcTmplI25ExplicitSpec_Def_ExportedEvv() template<> __declspec(dllexport) void funcTmpl() {} // MSC-DAG: define weak_odr dso_local dllexport void @"??$funcTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dso_local dllexport void @_Z8funcTmplI31ExplicitSpec_InlineDef_ExportedEvv() template<> __declspec(dllexport) inline void funcTmpl() {} //===----------------------------------------------------------------------===// // Precedence //===----------------------------------------------------------------------===// // dllexport takes precedence over the dllimport if both are specified. // MSC-DAG: @"?PrecedenceGlobal1A@@3HA" = dso_local dllexport global i32 0, align 4 // MSC-DAG: @"?PrecedenceGlobal1B@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal1A = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal1B = dso_local dllexport global i32 0, align 4 __attribute__((dllimport, dllexport)) int PrecedenceGlobal1A; // dllimport ignored __declspec(dllimport) __declspec(dllexport) int PrecedenceGlobal1B; // dllimport ignored // MSC-DAG: @"?PrecedenceGlobal2A@@3HA" = dso_local dllexport global i32 0, align 4 // MSC-DAG: @"?PrecedenceGlobal2B@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal2A = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal2B = dso_local dllexport global i32 0, align 4 __attribute__((dllexport, dllimport)) int PrecedenceGlobal2A; // dllimport ignored __declspec(dllexport) __declspec(dllimport) int PrecedenceGlobal2B; // dllimport ignored // MSC-DAG: @"?PrecedenceGlobalRedecl1@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalRedecl1 = dso_local dllexport global i32 0, align 4 __declspec(dllexport) extern int PrecedenceGlobalRedecl1; __declspec(dllimport) int PrecedenceGlobalRedecl1 = 0; // MSC-DAG: @"?PrecedenceGlobalRedecl2@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalRedecl2 = dso_local dllexport global i32 0, align 4 __declspec(dllimport) extern int PrecedenceGlobalRedecl2; __declspec(dllexport) int PrecedenceGlobalRedecl2; // MSC-DAG: @"?PrecedenceGlobalMixed1@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalMixed1 = dso_local dllexport global i32 0, align 4 __attribute__((dllexport)) extern int PrecedenceGlobalMixed1; __declspec(dllimport) int PrecedenceGlobalMixed1 = 0; // MSC-DAG: @"?PrecedenceGlobalMixed2@@3HA" = dso_local dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalMixed2 = dso_local dllexport global i32 0, align 4 __attribute__((dllimport)) extern int PrecedenceGlobalMixed2; __declspec(dllexport) int PrecedenceGlobalMixed2; // MSC-DAG: define dso_local dllexport void @"?precedence1A@@YAXXZ" // MSC-DAG: define dso_local dllexport void @"?precedence1B@@YAXXZ" // GNU-DAG: define dso_local dllexport void @_Z12precedence1Av() // GNU-DAG: define dso_local dllexport void @_Z12precedence1Bv() void __attribute__((dllimport, dllexport)) precedence1A() {} void __declspec(dllimport) __declspec(dllexport) precedence1B() {} // MSC-DAG: define dso_local dllexport void @"?precedence2A@@YAXXZ" // MSC-DAG: define dso_local dllexport void @"?precedence2B@@YAXXZ" // GNU-DAG: define dso_local dllexport void @_Z12precedence2Av() // GNU-DAG: define dso_local dllexport void @_Z12precedence2Bv() void __attribute__((dllexport, dllimport)) precedence2A() {} void __declspec(dllexport) __declspec(dllimport) precedence2B() {} // MSC-DAG: define dso_local dllexport void @"?precedenceRedecl1@@YAXXZ" // GNU-DAG: define dso_local dllexport void @_Z17precedenceRedecl1v() void __declspec(dllimport) precedenceRedecl1(); void __declspec(dllexport) precedenceRedecl1() {} // MSC-DAG: define dso_local dllexport void @"?precedenceRedecl2@@YAXXZ" // GNU-DAG: define dso_local dllexport void @_Z17precedenceRedecl2v() void __declspec(dllexport) precedenceRedecl2(); void __declspec(dllimport) precedenceRedecl2() {} //===----------------------------------------------------------------------===// // Classes //===----------------------------------------------------------------------===// struct S { void __declspec(dllexport) a() {} // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@S@@QAEXXZ" struct T { void __declspec(dllexport) a() {} // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@T@S@@QAEXXZ" }; }; template struct SomeTemplate { SomeTemplate(T o = T()) : o(o) {} T o; }; // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}} @"??4?$SomeTemplate@H@@Q{{.+}}@$$Q{{.+}}@@Z" // MSVC2013-DAG: define weak_odr dso_local dllexport {{.+}} @"??4?$SomeTemplate@H@@Q{{.+}}0@A{{.+}}0@@Z" struct __declspec(dllexport) InheritFromTemplate : SomeTemplate {}; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_F?$SomeTemplate@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat namespace PR23801 { template struct S { ~S() {} }; struct A { A(int); S s; }; struct __declspec(dllexport) B { B(A = 0) {} }; } // // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FB@PR23801@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat struct __declspec(dllexport) T { // Copy assignment operator: // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %struct.T* @"??4T@@QAEAAU0@ABU0@@Z" // Explicitly defaulted copy constructur: T(const T&) = default; // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.T* @"??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?a@T@@QAEXXZ" static int b; // M32-DAG: @"?b@T@@2HA" = external dso_local global i32 static int c; // M32-DAG: @"?c@T@@2HA" = dso_local dllexport global i32 0, align 4 }; USEVAR(T::b) int T::c; // Export template class with static member variable // MSC-DAG: @"?StaticClassVarExpTmplClass@?$TmplClass@H@@2HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4 // GNU-DAG: @_ZN9TmplClassIiE26StaticClassVarExpTmplClassE = weak_odr dso_local dllexport global i32 0, comdat, align 4 template struct __declspec(dllexport) TmplClass { static T StaticClassVarExpTmplClass; }; template T TmplClass::StaticClassVarExpTmplClass; // Export a definition of a template function. // MSC-DAG: define weak_odr dso_local dllexport i32 @"??$TypeFunTmpl@H@@YAHH@Z" // GNU-DAG: define weak_odr dso_local dllexport i32 @_Z11TypeFunTmplIiET_S0_ template T __declspec(dllexport) TypeFunTmpl(T t) { return t + t; } // Instantiate the exported template class and the exported template function. int useExportedTmplStaticAndFun() { return TmplClass::StaticClassVarExpTmplClass + TypeFunTmpl(10); } template struct __declspec(dllexport) U { void foo() {} }; struct __declspec(dllexport) V : public U { }; // U's assignment operator is emitted. // 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" struct __declspec(dllexport) W { virtual void foo(); }; void W::foo() {} // Default ctor: // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.W* @"??0W@@QAE@XZ" // Copy ctor: // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.W* @"??0W@@QAE@ABU0@@Z" // vftable: // 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@") // 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) // 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*)] } struct __declspec(dllexport) X : public virtual W {}; // vbtable: // M32-DAG: @"??_8X@@7B@" = weak_odr dllexport unnamed_addr constant [2 x i32] [i32 0, i32 4] struct __declspec(dllexport) Y { // Move assignment operator: // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}} @"??4Y@@Q{{.+}}@$$Q{{.+}}@@Z" // MSVC2013-DAG: define weak_odr dso_local dllexport {{.+}} @"??4Y@@Q{{.+}}0@A{{.+}}0@@Z" int x; }; struct __declspec(dllexport) Z { virtual ~Z() {} }; // The scalar deleting dtor does not get exported: // M32-DAG: define linkonce_odr dso_local x86_thiscallcc i8* @"??_GZ@@UAEPAXI@Z" // The user-defined dtor does get exported: // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1Z@@UAE@XZ" namespace UseDtorAlias { struct __declspec(dllexport) A { ~A(); }; struct __declspec(dllexport) B : A { ~B(); }; A::~A() { } B::~B() { } // Emit a alias definition of B's constructor. // M32-DAG: @"??1B@UseDtorAlias@@QAE@XZ" = dso_local dllexport unnamed_addr alias {{.*}} @"??1A@UseDtorAlias@@QAE@XZ" } struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1DefaultedCtorsDtors@@QAE@XZ" }; // Export defaulted member function definitions declared inside class. struct __declspec(dllexport) ExportDefaultedInclassDefs { ExportDefaultedInclassDefs() = default; // M32VS2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) // M64VS2013-DAG: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) // M32VS2015-NOT: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) // M64VS2015-NOT: define weak_odr dso_local dllexport %struct.ExportDefaultedInclassDefs* @"??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this) ~ExportDefaultedInclassDefs() = default; // M32VS2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this) // M64VS2013-DAG: define weak_odr dso_local dllexport void @"??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this) // M32VS2015-NOT: define weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this) // M64VS2015-NOT: define weak_odr dso_local dllexport void @"??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this) ExportDefaultedInclassDefs(const ExportDefaultedInclassDefs&) = default; // 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]+}})) // 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]+}})) // 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]+}})) // 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]+}})) ExportDefaultedInclassDefs& operator=(const ExportDefaultedInclassDefs&) = default; // 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) // 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) }; namespace ReferencedInlineMethodInNestedClass { struct __declspec(dllexport) S { void foo() { t->bar(); } struct T { void bar() {} }; T *t; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?foo@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?bar@T@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" } // MS ignores DLL attributes on partial specializations. template struct PartiallySpecializedClassTemplate {}; template struct __declspec(dllexport) PartiallySpecializedClassTemplate { void f(); }; template void PartiallySpecializedClassTemplate::f() {} USEMEMFUNC(PartiallySpecializedClassTemplate, f); // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?f@?$PartiallySpecializedClassTemplate@PAX@@QAEXXZ" // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN33PartiallySpecializedClassTemplateIPvE1fEv // Attributes on explicit specializations are honored. template struct ExplicitlySpecializedClassTemplate {}; template <> struct __declspec(dllexport) ExplicitlySpecializedClassTemplate { void f(); }; void ExplicitlySpecializedClassTemplate::f() {} USEMEMFUNC(ExplicitlySpecializedClassTemplate, f); // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitlySpecializedClassTemplate@PAX@@QAEXXZ" // G32-DAG: define dso_local dllexport x86_thiscallcc void @_ZN34ExplicitlySpecializedClassTemplateIPvE1fEv // MS inherits DLL attributes to partial specializations. template struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate {}; template struct PartiallySpecializedExportedClassTemplate { void f() {} }; USEMEMFUNC(PartiallySpecializedExportedClassTemplate, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PartiallySpecializedExportedClassTemplate@PAX@@QAEXXZ" // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN41PartiallySpecializedExportedClassTemplateIPvE1fEv // MS ignores DLL attributes on partial specializations; inheritance still works though. template struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate2 {}; template struct __declspec(dllimport) PartiallySpecializedExportedClassTemplate2 { void f(); }; template void PartiallySpecializedExportedClassTemplate2::f() {} USEMEMFUNC(PartiallySpecializedExportedClassTemplate2, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PartiallySpecializedExportedClassTemplate2@PAX@@QAEXXZ" // G32-DAG: declare dllimport x86_thiscallcc void @_ZN42PartiallySpecializedExportedClassTemplate2IPvE1fEv // Attributes on the instantiation take precedence over attributes on the template. template struct __declspec(dllimport) ExplicitlyInstantiatedWithDifferentAttr { void f() {} }; template struct __declspec(dllexport) ExplicitlyInstantiatedWithDifferentAttr; USEMEMFUNC(ExplicitlyInstantiatedWithDifferentAttr, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitlyInstantiatedWithDifferentAttr@H@@QAEXXZ" // Don't create weak dllexport aliases. (PR21373) struct NonExportedBaseClass { virtual ~NonExportedBaseClass(); }; NonExportedBaseClass::~NonExportedBaseClass() {} struct __declspec(dllexport) ExportedDerivedClass : NonExportedBaseClass {}; // M32-DAG: weak_odr dso_local dllexport x86_thiscallcc void @"??1ExportedDerivedClass@@UAE@XZ" // Do not assert about generating code for constexpr functions twice during explicit instantiation (PR21718). template struct ExplicitInstConstexprMembers { // Copy assignment operator // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align 1 dereferenceable(1) %struct.ExplicitInstConstexprMembers* @"??4?$ExplicitInstConstexprMembers@X@@QAEAAU0@ABU0@@Z" constexpr ExplicitInstConstexprMembers() {} // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"??0?$ExplicitInstConstexprMembers@X@@QAE@XZ" ExplicitInstConstexprMembers(const ExplicitInstConstexprMembers&) = default; // M32MSVC2013-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"??0?$ExplicitInstConstexprMembers@X@@QAE@ABU0@@Z" constexpr int f() const { return 42; } // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc i32 @"?f@?$ExplicitInstConstexprMembers@X@@QBEHXZ" }; template struct __declspec(dllexport) ExplicitInstConstexprMembers; template struct ExplicitInstantiationDeclTemplate { void f() {} }; extern template struct __declspec(dllexport) ExplicitInstantiationDeclTemplate; USEMEMFUNC(ExplicitInstantiationDeclTemplate, f); // M32-DAG: {{declare|define available_externally}} dso_local x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclTemplate@H@@QAEXXZ" template struct __declspec(dllexport) ExplicitInstantiationDeclExportedTemplate { void f() {} }; extern template struct ExplicitInstantiationDeclExportedTemplate; USEMEMFUNC(ExplicitInstantiationDeclExportedTemplate, f); // M32-DAG: {{declare|define available_externally}} dso_local x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclExportedTemplate@H@@QAEXXZ" template struct ExplicitInstantiationDeclExportedDefTemplate { void f() {} ExplicitInstantiationDeclExportedDefTemplate() {} }; extern template struct ExplicitInstantiationDeclExportedDefTemplate; template struct __declspec(dllexport) ExplicitInstantiationDeclExportedDefTemplate; USEMEMFUNC(ExplicitInstantiationDeclExportedDefTemplate, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAEXXZ" // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %struct.ExplicitInstantiationDeclExportedDefTemplate* @"??0?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAE@XZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN44ExplicitInstantiationDeclExportedDefTemplateIiE1fEv template struct ImplicitInstantiationExportedExplicitInstantiationDefTemplate { virtual void f() {} }; ImplicitInstantiationExportedExplicitInstantiationDefTemplate ImplicitInstantiationExportedExplicitInstantiationDefTemplateInstance; template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefTemplate; USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefTemplate, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExportedExplicitInstantiationDefTemplate@H@@UAEXXZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN61ImplicitInstantiationExportedExplicitInstantiationDefTemplateIiE1fEv template struct __declspec(dllexport) ImplicitInstantiationExplicitInstantiationDefExportedTemplate { virtual void f() {} }; ImplicitInstantiationExplicitInstantiationDefExportedTemplate ImplicitInstantiationExplicitInstantiationDefExportedTemplateInstance; template struct ImplicitInstantiationExplicitInstantiationDefExportedTemplate; USEMEMFUNC(ImplicitInstantiationExplicitInstantiationDefExportedTemplate, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExplicitInstantiationDefExportedTemplate@H@@UAEXXZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN61ImplicitInstantiationExplicitInstantiationDefExportedTemplateIiE1fEv template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate { virtual void f() {} }; ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplateInstance; template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate; USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate, f); // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate@H@@UAEXXZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN69ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplateIiE1fEv namespace { struct InternalLinkageType {}; } struct __declspec(dllexport) PR23308 { void f(InternalLinkageType*); }; void PR23308::f(InternalLinkageType*) {} long use(PR23308* p) { p->f(nullptr); } // M32-DAG: define internal x86_thiscallcc void @"?f@PR23308@@QAEXPAUInternalLinkageType@?A0x{{[^@]*}}@@@Z" template struct PR23770BaseTemplate { void f() {} }; template struct PR23770DerivedTemplate : PR23770BaseTemplate {}; extern template struct PR23770DerivedTemplate; template struct __declspec(dllexport) PR23770DerivedTemplate; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$PR23770BaseTemplate@H@@QAEXXZ" namespace InClassInits { struct __declspec(dllexport) S { int x = 42; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::S"* @"??0S@InClassInits@@QAE@XZ" // dllexport an already instantiated class template. template struct Base { int x = 42; }; Base base; struct __declspec(dllexport) T : Base { }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::Base"* @"??0?$Base@H@InClassInits@@QAE@XZ" struct A { A(int); }; struct __declspec(dllexport) U { // Class with both default constructor closure and in-class initializer. U(A = 0) {} int x = 0; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::U"* @"??0U@InClassInits@@QAE@UA@1@@Z" struct Evil { template struct Base { int x = 0; }; struct S : Base {}; // The already instantiated Base becomes dllexported below, but the // in-class initializer for Base<>::x still hasn't been parsed, so emitting // the default ctor must still be delayed. struct __declspec(dllexport) T : Base {}; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::Evil::Base"* @"??0?$Base@H@Evil@InClassInits@@QAE@XZ" template struct Foo {}; template struct Bar { Bar &operator=(Foo) {} }; struct __declspec(dllexport) Baz { Bar n; }; // After parsing Baz, in ActOnFinishCXXNonNestedClass we would synthesize // Baz's operator=, causing instantiation of Foo after which // ActOnFinishCXXNonNestedClass is called, and we would bite our own tail. // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc nonnull align 1 dereferenceable(1) %"struct.InClassInits::Baz"* @"??4Baz@InClassInits@@QAEAAU01@ABU01@@Z" // Trying to define the explicitly defaulted ctor must be delayed until the // in-class initializer for x has been processed. struct PR40006 { __declspec(dllexport) PR40006() = default; int x = 42; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::PR40006"* @"??0PR40006@InClassInits@@QAE@XZ" namespace pr40006 { // Delay emitting the method also past the instantiation of Tmpl, i.e. // until the top-level class Outer is completely finished. template struct Tmpl {}; struct Outer { struct Inner { __declspec(dllexport) Inner() = default; unsigned int x = 0; }; Tmpl y; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::pr40006::Outer::Inner"* @"??0Inner@Outer@pr40006@InClassInits@@QAE@XZ" } // PR42857: Clang would try to emit the non-trivial explicitly defaulted // dllexport ctor twice when doing an explicit instantiation definition. struct Qux { Qux(); }; template struct PR42857 { __declspec(dllexport) PR42857() = default; Qux q; }; template struct PR42857; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.InClassInits::PR42857"* @"??0?$PR42857@H@InClassInits@@QAE@XZ" } // We had an issue where instantiating A would force emission of B's delayed // exported methods. namespace pr26490 { template struct A { }; struct __declspec(dllexport) B { B(int = 0) {} A m_fn1() {} }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"??_FB@pr26490@@QAEXXZ" } // dllexport trumps dllimport on an explicit instantiation. template struct ExplicitInstantiationTwoAttributes { void f() {} }; template struct __declspec(dllexport) __declspec(dllimport) ExplicitInstantiationTwoAttributes; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?f@?$ExplicitInstantiationTwoAttributes@H@@QAEXXZ" namespace pr34849 { // Specializations of exported class template member functions get exported. template struct __declspec(dllexport) ExportedClassTemplate { void foo(); }; template<> void ExportedClassTemplate::foo() {} template struct ExportedClassTemplate; // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?foo@?$ExportedClassTemplate@H@pr34849@@QAEXXZ" // Specializations of exported class member template functions do not get exported. struct __declspec(dllexport) ExportedClass { template void bar() ; }; template<> void ExportedClass::bar() {} // M32-DAG: define dso_local x86_thiscallcc void @"??$bar@H@ExportedClass@pr34849@@QAEXXZ" template struct __declspec(dllexport) ExportedClassTemplate2 { template void baz(); }; template<> template<> void ExportedClassTemplate2::baz() {} // M32-DAG: define dso_local x86_thiscallcc void @"??$baz@H@?$ExportedClassTemplate2@H@pr34849@@QAEXXZ" } namespace pr47683 { struct X { X() {} }; template struct S { S() = default; X x; }; template struct __declspec(dllexport) S; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::S"* @"??0?$S@H@pr47683@@QAE@XZ" template struct T { T() = default; X x; }; extern template struct T; template struct __declspec(dllexport) T; // Don't assert about multiple codegen for explicitly defaulted method in explicit instantiation def. // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::T"* @"??0?$T@H@pr47683@@QAE@XZ" template struct U { U(); X x; }; template U::U() = default; extern template struct U; template struct __declspec(dllexport) U; // Same as T, but with out-of-line ctor. // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.pr47683::U"* @"??0?$U@H@pr47683@@QAE@XZ" } //===----------------------------------------------------------------------===// // Classes with template base classes //===----------------------------------------------------------------------===// template struct ClassTemplate { void func(); }; template void ClassTemplate::func() {} template struct __declspec(dllexport) ExportedClassTemplate { void func(); }; template void ExportedClassTemplate::func() {} template struct __declspec(dllimport) ImportedClassTemplate { void func(); }; template void ImportedClassTemplate::func() {} template struct ExplicitlySpecializedTemplate { void func() {} }; template <> struct ExplicitlySpecializedTemplate { void func(); }; void ExplicitlySpecializedTemplate::func() {} template struct ExplicitlyExportSpecializedTemplate { void func() {} }; template <> struct __declspec(dllexport) ExplicitlyExportSpecializedTemplate { void func(); }; void ExplicitlyExportSpecializedTemplate::func() {} template struct ExplicitlyImportSpecializedTemplate { void func(); }; template <> struct __declspec(dllimport) ExplicitlyImportSpecializedTemplate { void func(); }; template struct ExplicitlyInstantiatedTemplate { void func(); }; template void ExplicitlyInstantiatedTemplate::func() {} template struct ExplicitlyInstantiatedTemplate; template struct ExplicitlyExportInstantiatedTemplate { void func(); }; template void ExplicitlyExportInstantiatedTemplate::func() {} template struct __declspec(dllexport) ExplicitlyExportInstantiatedTemplate; template struct ExplicitlyImportInstantiatedTemplate { void func(); }; template struct __declspec(dllimport) ExplicitlyImportInstantiatedTemplate; // MS: ClassTemplate gets exported. struct __declspec(dllexport) DerivedFromTemplate : public ClassTemplate {}; USEMEMFUNC(DerivedFromTemplate, func) // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ClassTemplate@H@@QAEXXZ" // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIiE4funcEv // ExportedTemplate is explicitly exported. struct __declspec(dllexport) DerivedFromExportedTemplate : public ExportedClassTemplate {}; USEMEMFUNC(DerivedFromExportedTemplate, func) // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExportedClassTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN21ExportedClassTemplateIiE4funcEv // ImportedClassTemplate is explicitly imported. struct __declspec(dllexport) DerivedFromImportedTemplate : public ImportedClassTemplate {}; USEMEMFUNC(DerivedFromImportedTemplate, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$ImportedClassTemplate@H@@QAEXXZ" // G32-DAG: declare dllimport x86_thiscallcc void @_ZN21ImportedClassTemplateIiE4funcEv // Base class already implicitly instantiated without dll attribute. struct DerivedFromTemplateD : public ClassTemplate {}; struct __declspec(dllexport) DerivedFromTemplateD2 : public ClassTemplate {}; USEMEMFUNC(DerivedFromTemplateD2, func) // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ClassTemplate@N@@QAEXXZ" // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIdE4funcEv // MS: Base class already instantiated with different dll attribute. struct __declspec(dllimport) DerivedFromTemplateB : public ClassTemplate {}; struct __declspec(dllexport) DerivedFromTemplateB2 : public ClassTemplate {}; USEMEMFUNC(DerivedFromTemplateB2, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$ClassTemplate@_N@@QAEXXZ" // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIbE4funcEv // Base class already specialized without dll attribute. struct __declspec(dllexport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate {}; USEMEMFUNC(DerivedFromExplicitlySpecializedTemplate, func) // M32-DAG: define dso_local x86_thiscallcc void @"?func@?$ExplicitlySpecializedTemplate@H@@QAEXXZ" // G32-DAG: define dso_local x86_thiscallcc void @_ZN29ExplicitlySpecializedTemplateIiE4funcEv // Base class alredy specialized with export attribute. struct __declspec(dllexport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate {}; USEMEMFUNC(DerivedFromExplicitlyExportSpecializedTemplate, func) // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportSpecializedTemplate@H@@QAEXXZ" // G32-DAG: define dso_local dllexport x86_thiscallcc void @_ZN35ExplicitlyExportSpecializedTemplateIiE4funcEv // Base class already specialized with import attribute. struct __declspec(dllexport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate {}; USEMEMFUNC(DerivedFromExplicitlyImportSpecializedTemplate, func) // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportSpecializedTemplate@H@@QAEXXZ" // G32-DAG: declare dllimport x86_thiscallcc void @_ZN35ExplicitlyImportSpecializedTemplateIiE4funcEv // Base class already instantiated without dll attribute. struct __declspec(dllexport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate {}; USEMEMFUNC(DerivedFromExplicitlyInstantiatedTemplate, func) // M32-DAG: define weak_odr dso_local x86_thiscallcc void @"?func@?$ExplicitlyInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN30ExplicitlyInstantiatedTemplateIiE4funcEv // Base class already instantiated with export attribute. struct __declspec(dllexport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate {}; USEMEMFUNC(DerivedFromExplicitlyExportInstantiatedTemplate, func) // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN36ExplicitlyExportInstantiatedTemplateIiE4funcEv // Base class already instantiated with import attribute. struct __declspec(dllexport) DerivedFromExplicitlyImportInstantiatedTemplate : public ExplicitlyImportInstantiatedTemplate {}; USEMEMFUNC(DerivedFromExplicitlyImportInstantiatedTemplate, func) // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: declare dllimport x86_thiscallcc void @_ZN36ExplicitlyImportInstantiatedTemplateIiE4funcEv // MS: A dll attribute propagates through multiple levels of instantiation. template struct TopClass { void func() {} }; template struct MiddleClass : public TopClass { }; struct __declspec(dllexport) BottomClass : public MiddleClass { }; USEMEMFUNC(BottomClass, func) // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$TopClass@H@@QAEXXZ" // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN8TopClassIiE4funcEv template struct ExplicitInstantiationDeclTemplateBase { void func() {} }; extern template struct ExplicitInstantiationDeclTemplateBase; struct __declspec(dllexport) DerivedFromExplicitInstantiationDeclTemplateBase : public ExplicitInstantiationDeclTemplateBase {}; template struct ExplicitInstantiationDeclTemplateBase; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitInstantiationDeclTemplateBase@H@@QAEXXZ" // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN37ExplicitInstantiationDeclTemplateBaseIiE4funcEv // PR26076 struct LayerSelectionBound; template struct Selection {}; typedef Selection LayerSelection; struct LayerImpl; struct __declspec(dllexport) LayerTreeImpl { struct __declspec(dllexport) ElementLayers { LayerImpl *main = nullptr; }; LayerSelection foo; }; // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc %"struct.LayerTreeImpl::ElementLayers"* @"??0ElementLayers@LayerTreeImpl@@QAE@XZ" // M64-DAG: define weak_odr dso_local dllexport %"struct.LayerTreeImpl::ElementLayers"* @"??0ElementLayers@LayerTreeImpl@@QEAA@XZ" namespace pr39496 { // Make sure dll attribute are inherited by static locals also in template // specializations. template struct __declspec(dllexport) S { int foo() { static int x; return x++; } }; int foo() { S s; return s.foo(); } // MSC-DAG: @"?x@?{{1|2}}??foo@?$S@H@pr39496@@Q{{[A-Z]*}}HXZ@4HA" = weak_odr dso_local dllexport global i32 0, comdat, align 4 template struct T { int foo() { static int x; return x++; } }; template struct __declspec(dllexport) T; // 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 } class __declspec(dllexport) ACE_Shared_Object { public: virtual ~ACE_Shared_Object(); }; class __declspec(dllexport) ACE_Service_Object : public ACE_Shared_Object {}; // Implicit move constructor declaration. // MSVC2015-DAG: define weak_odr dso_local dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q // The declarations should not be exported. // MSVC2013-NOT: define weak_odr dso_local dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q