// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++1y -O0 -o - %s | FileCheck --check-prefix=MSC --check-prefix=M32 %s // RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++1y -O0 -o - %s | FileCheck --check-prefix=MSC --check-prefix=M64 %s // RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -std=c++1y -O0 -o - %s | FileCheck --check-prefix=GNU --check-prefix=G32 %s // RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -std=c++1y -O0 -o - %s | FileCheck --check-prefix=GNU --check-prefix=G64 %s // RUN: %clang_cc1 -triple i686-pc-win32 -O1 -mconstructor-aliases -std=c++1y -emit-llvm -o - %s | FileCheck %s --check-prefix=MSC --check-prefix=M32 // 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(); //===----------------------------------------------------------------------===// // Globals //===----------------------------------------------------------------------===// // Declarations are not exported. // MSC-NOT: @"\01?ExternGlobalDecl@@3HA" // GNU-NOT: @ExternGlobalDecl __declspec(dllexport) extern int ExternGlobalDecl; // dllexport implies a definition. // MSC-DAG: @"\01?GlobalDef@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @GlobalDef = dllexport global i32 0, align 4 __declspec(dllexport) int GlobalDef; // Export definition. // MSC-DAG: @"\01?GlobalInit1@@3HA" = dllexport global i32 1, align 4 // GNU-DAG: @GlobalInit1 = dllexport global i32 1, align 4 __declspec(dllexport) int GlobalInit1 = 1; // MSC-DAG: @"\01?GlobalInit2@@3HA" = dllexport global i32 1, align 4 // GNU-DAG: @GlobalInit2 = dllexport global i32 1, align 4 int __declspec(dllexport) GlobalInit2 = 1; // Declare, then export definition. // MSC-DAG: @"\01?GlobalDeclInit@@3HA" = dllexport global i32 1, align 4 // GNU-DAG: @GlobalDeclInit = dllexport global i32 1, align 4 __declspec(dllexport) extern int GlobalDeclInit; int GlobalDeclInit = 1; // Redeclarations // MSC-DAG: @"\01?GlobalRedecl1@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @GlobalRedecl1 = dllexport global i32 0, align 4 __declspec(dllexport) extern int GlobalRedecl1; __declspec(dllexport) int GlobalRedecl1; // MSC-DAG: @"\01?GlobalRedecl2@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @GlobalRedecl2 = dllexport global i32 0, align 4 __declspec(dllexport) extern int GlobalRedecl2; int GlobalRedecl2; // MSC-DAG: @"\01?ExternalGlobal@ns@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @_ZN2ns14ExternalGlobalE = dllexport global i32 0, align 4 namespace ns { __declspec(dllexport) int ExternalGlobal; } // MSC-DAG: @"\01?ExternalAutoTypeGlobal@@3UExternal@@A" = dllexport global %struct.External zeroinitializer, align 4 // GNU-DAG: @ExternalAutoTypeGlobal = dllexport global %struct.External zeroinitializer, align 4 __declspec(dllexport) auto ExternalAutoTypeGlobal = External(); int f(); // MSC-DAG: @"\01?x@?0??nonInlineStaticLocalsFunc@@YAHXZ@4HA" = internal {{(unnamed_addr )*}}global i32 0 // MSC-DAG: @"\01?$S1@?0??nonInlineStaticLocalsFunc@@YAHXZ@4IA" = internal {{(unnamed_addr )*}}global i32 0 int __declspec(dllexport) nonInlineStaticLocalsFunc() { static int x = f(); return x++; }; // MSC-DAG: @"\01?x@?1??inlineStaticLocalsFunc@@YAHXZ@4HA" = weak_odr dllexport global i32 0 // MSC-DAG: @"\01??_B?1??inlineStaticLocalsFunc@@YAHXZ@51" = weak_odr dllexport global i32 0 // Note: MinGW doesn't seem to export the static local here. inline int __declspec(dllexport) inlineStaticLocalsFunc() { static int x = f(); return x++; } //===----------------------------------------------------------------------===// // Variable templates //===----------------------------------------------------------------------===// // Declarations are not exported. // dllexport implies a definition. // MSC-NOT: @"\01??$VarTmplDef@UExplicitInst_Exported@@@@3HA" // GNU-NOT: @_Z10VarTmplDefI21ExplicitInst_ExportedE template __declspec(dllexport) int VarTmplDef; INSTVAR(VarTmplDef) // MSC-DAG: @"\01??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = external dllexport global // GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE = external dllexport global template __declspec(dllexport) int VarTmplImplicitDef; USEVAR(VarTmplImplicitDef) // Export definition. // MSC-DAG: @"\01??$VarTmplInit1@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z12VarTmplInit1I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) int VarTmplInit1 = 1; INSTVAR(VarTmplInit1) // MSC-DAG: @"\01??$VarTmplInit2@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z12VarTmplInit2I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template int __declspec(dllexport) VarTmplInit2 = 1; INSTVAR(VarTmplInit2) // Declare, then export definition. // MSC-DAG: @"\01??$VarTmplDeclInit@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z15VarTmplDeclInitI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) extern int VarTmplDeclInit; template int VarTmplDeclInit = 1; INSTVAR(VarTmplDeclInit) // Redeclarations // MSC-DAG: @"\01??$VarTmplRedecl1@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z14VarTmplRedecl1I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) extern int VarTmplRedecl1; template __declspec(dllexport) int VarTmplRedecl1 = 1; INSTVAR(VarTmplRedecl1) // MSC-DAG: @"\01??$VarTmplRedecl2@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z14VarTmplRedecl2I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) extern int VarTmplRedecl2; template int VarTmplRedecl2 = 1; INSTVAR(VarTmplRedecl2) // MSC-DAG: @"\01??$ExternalVarTmpl@UExplicitInst_Exported@@@ns@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_ZN2ns15ExternalVarTmplI21ExplicitInst_ExportedEE = weak_odr dllexport global i32 1, align 4 namespace ns { template __declspec(dllexport) int ExternalVarTmpl = 1; } INSTVAR(ns::ExternalVarTmpl) // MSC-DAG: @"\01??$ExternalAutoTypeVarTmpl@UExplicitInst_Exported@@@@3UExternal@@A" = weak_odr dllexport global %struct.External zeroinitializer, align 4 // GNU-DAG: @_Z23ExternalAutoTypeVarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global %struct.External zeroinitializer, 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: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ImplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 USEVAR(ExportedVarTmpl) // Export explicit instantiation declaration of an exported variable template. // MSC-DAG: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitDecl_ExportedE = weak_odr dllexport global i32 1, align 4 extern template int ExportedVarTmpl; template int ExportedVarTmpl; // Export explicit instantiation definition of an exported variable template. // MSC-DAG: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) int ExportedVarTmpl; // Export specialization of an exported variable template. // MSC-DAG: @"\01??$ExportedVarTmpl@UExplicitSpec_Exported@@@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @_Z15ExportedVarTmplI21ExplicitSpec_ExportedE = dllexport global i32 0, align 4 template<> __declspec(dllexport) int ExportedVarTmpl; // MSC-DAG: @"\01??$ExportedVarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dllexport global i32 1, align 4 // GNU-DAG: @_Z15ExportedVarTmplI25ExplicitSpec_Def_ExportedE = dllexport global i32 1, align 4 template<> __declspec(dllexport) int ExportedVarTmpl = 1; // Not exporting specialization of an exported variable template without // explicit dllexport. // MSC-DAG: @"\01??$ExportedVarTmpl@UExplicitSpec_NotExported@@@@3HA" = global i32 0, align 4 // GNU-DAG: @_Z15ExportedVarTmplI24ExplicitSpec_NotExportedE = global i32 0, align 4 template<> int ExportedVarTmpl; // Export explicit instantiation declaration of a non-exported variable template. // MSC-DAG: @"\01??$VarTmpl@UExplicitDecl_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitDecl_ExportedE = weak_odr dllexport global i32 1, align 4 extern template __declspec(dllexport) int VarTmpl; template __declspec(dllexport) int VarTmpl; // Export explicit instantiation definition of a non-exported variable template. // MSC-DAG: @"\01??$VarTmpl@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, align 4 template __declspec(dllexport) int VarTmpl; // Export specialization of a non-exported variable template. // MSC-DAG: @"\01??$VarTmpl@UExplicitSpec_Exported@@@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @_Z7VarTmplI21ExplicitSpec_ExportedE = dllexport global i32 0, align 4 template<> __declspec(dllexport) int VarTmpl; // MSC-DAG: @"\01??$VarTmpl@UExplicitSpec_Def_Exported@@@@3HA" = dllexport global i32 1, align 4 // GNU-DAG: @_Z7VarTmplI25ExplicitSpec_Def_ExportedE = dllexport global i32 1, align 4 template<> __declspec(dllexport) int VarTmpl = 1; //===----------------------------------------------------------------------===// // Functions //===----------------------------------------------------------------------===// // Declarations are not exported. // Export function definition. // MSC-DAG: define dllexport void @"\01?def@@YAXXZ"() // GNU-DAG: define dllexport void @_Z3defv() __declspec(dllexport) void def() {} // extern "C" // MSC-DAG: define dllexport void @externC() // GNU-DAG: define dllexport void @externC() extern "C" __declspec(dllexport) void externC() {} // Export inline function. // MSC-DAG: define weak_odr dllexport void @"\01?inlineFunc@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z10inlineFuncv() __declspec(dllexport) inline void inlineFunc() {} // MSC-DAG: define weak_odr dllexport void @"\01?inlineDecl@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z10inlineDeclv() __declspec(dllexport) inline void inlineDecl(); void inlineDecl() {} // MSC-DAG: define weak_odr dllexport void @"\01?inlineDef@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z9inlineDefv() __declspec(dllexport) void inlineDef(); inline void inlineDef() {} // Redeclarations // MSC-DAG: define dllexport void @"\01?redecl1@@YAXXZ"() // GNU-DAG: define dllexport void @_Z7redecl1v() __declspec(dllexport) void redecl1(); __declspec(dllexport) void redecl1() {} // MSC-DAG: define dllexport void @"\01?redecl2@@YAXXZ"() // GNU-DAG: define dllexport void @_Z7redecl2v() __declspec(dllexport) void redecl2(); void redecl2() {} // Friend functions // MSC-DAG: define dllexport void @"\01?friend1@@YAXXZ"() // GNU-DAG: define dllexport void @_Z7friend1v() // MSC-DAG: define dllexport void @"\01?friend2@@YAXXZ"() // GNU-DAG: define dllexport void @_Z7friend2v() struct FuncFriend { friend __declspec(dllexport) void friend1(); friend __declspec(dllexport) void friend2(); }; __declspec(dllexport) void friend1() {} void friend2() {} // Implicit declarations can be redeclared with dllexport. // MSC-DAG: define dllexport noalias i8* @"\01??2@{{YAPAXI|YAPEAX_K}}@Z"( // GNU-DAG: define dllexport noalias i8* @_Znw{{[yj]}}( void* alloc(__SIZE_TYPE__ n); __declspec(dllexport) void* operator new(__SIZE_TYPE__ n) { return alloc(n); } // MSC-DAG: define dllexport void @"\01?externalFunc@ns@@YAXXZ"() // GNU-DAG: define dllexport void @_ZN2ns12externalFuncEv() namespace ns { __declspec(dllexport) void externalFunc() {} } //===----------------------------------------------------------------------===// // Function templates //===----------------------------------------------------------------------===// // Export function template definition. // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplDef@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z11funcTmplDefI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplDef() {} INST(funcTmplDef) // Export inline function template. // MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmpl1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15inlineFuncTmpl1I21ExplicitInst_ExportedEvv() template __declspec(dllexport) inline void inlineFuncTmpl1() {} INST(inlineFuncTmpl1) // MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmpl2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15inlineFuncTmpl2I21ExplicitInst_ExportedEvv() template inline void __attribute__((dllexport)) inlineFuncTmpl2() {} INST(inlineFuncTmpl2) // MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmplDecl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z18inlineFuncTmplDeclI21ExplicitInst_ExportedEvv() template __declspec(dllexport) inline void inlineFuncTmplDecl(); template void inlineFuncTmplDecl() {} INST(inlineFuncTmplDecl) // MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmplDef@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z17inlineFuncTmplDefI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void inlineFuncTmplDef(); template inline void inlineFuncTmplDef() {} INST(inlineFuncTmplDef) // Redeclarations // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl1I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl1(); template __declspec(dllexport) void funcTmplRedecl1() {} INST(funcTmplRedecl1) // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl2I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl2(); template void funcTmplRedecl2() {} INST(funcTmplRedecl2) // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl3@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl3I21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmplRedecl3(); template void funcTmplRedecl3() {} INST(funcTmplRedecl3) // Function template friends // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplFriend1@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z15funcTmplFriend1I21ExplicitInst_ExportedEvv() // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplFriend2@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr 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 dllexport void @"\01??$externalFuncTmpl@UExplicitInst_Exported@@@ns@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_ZN2ns16externalFuncTmplI21ExplicitInst_ExportedEEvv() namespace ns { template __declspec(dllexport) void externalFuncTmpl() {} } INST(ns::externalFuncTmpl) template void funcTmpl() {} template __declspec(dllexport) void exportedFuncTmpl() {} // Export implicit instantiation of an exported function template. // MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UImplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ImplicitInst_ExportedEvv() USE(exportedFuncTmpl) // Export explicit instantiation declaration of an exported function template. // MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitDecl_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ExplicitDecl_ExportedEvv() extern template void exportedFuncTmpl(); template void exportedFuncTmpl(); // Export explicit instantiation definition of an exported function template. // MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ExplicitInst_ExportedEvv() template void exportedFuncTmpl(); // Export specialization of an exported function template. // MSC-DAG: define dllexport void @"\01??$exportedFuncTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() // GNU-DAG: define dllexport void @_Z16exportedFuncTmplI25ExplicitSpec_Def_ExportedEvv() template<> __declspec(dllexport) void exportedFuncTmpl() {} // MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr 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 void @"\01??$exportedFuncTmpl@UExplicitSpec_NotExported@@@@YAXXZ"() // GNU-DAG: define void @_Z16exportedFuncTmplI24ExplicitSpec_NotExportedEvv() template<> void exportedFuncTmpl() {} // Export explicit instantiation declaration of a non-exported function template. // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmpl@UExplicitDecl_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr 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 dllexport void @"\01??$funcTmpl@UExplicitInst_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z8funcTmplI21ExplicitInst_ExportedEvv() template __declspec(dllexport) void funcTmpl(); // Export specialization of a non-exported function template. // MSC-DAG: define dllexport void @"\01??$funcTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"() // GNU-DAG: define dllexport void @_Z8funcTmplI25ExplicitSpec_Def_ExportedEvv() template<> __declspec(dllexport) void funcTmpl() {} // MSC-DAG: define weak_odr dllexport void @"\01??$funcTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"() // GNU-DAG: define weak_odr dllexport void @_Z8funcTmplI31ExplicitSpec_InlineDef_ExportedEvv() template<> __declspec(dllexport) inline void funcTmpl() {} //===----------------------------------------------------------------------===// // Precedence //===----------------------------------------------------------------------===// // dllexport takes precedence over the dllimport if both are specified. // MSC-DAG: @"\01?PrecedenceGlobal1A@@3HA" = dllexport global i32 0, align 4 // MSC-DAG: @"\01?PrecedenceGlobal1B@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal1A = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal1B = dllexport global i32 0, align 4 __attribute__((dllimport, dllexport)) int PrecedenceGlobal1A; // dllimport ignored __declspec(dllimport) __declspec(dllexport) int PrecedenceGlobal1B; // dllimport ignored // MSC-DAG: @"\01?PrecedenceGlobal2A@@3HA" = dllexport global i32 0, align 4 // MSC-DAG: @"\01?PrecedenceGlobal2B@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal2A = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobal2B = dllexport global i32 0, align 4 __attribute__((dllexport, dllimport)) int PrecedenceGlobal2A; // dllimport ignored __declspec(dllexport) __declspec(dllimport) int PrecedenceGlobal2B; // dllimport ignored // MSC-DAG: @"\01?PrecedenceGlobalRedecl1@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalRedecl1 = dllexport global i32 0, align 4 __declspec(dllexport) extern int PrecedenceGlobalRedecl1; __declspec(dllimport) int PrecedenceGlobalRedecl1 = 0; // MSC-DAG: @"\01?PrecedenceGlobalRedecl2@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalRedecl2 = dllexport global i32 0, align 4 __declspec(dllimport) extern int PrecedenceGlobalRedecl2; __declspec(dllexport) int PrecedenceGlobalRedecl2; // MSC-DAG: @"\01?PrecedenceGlobalMixed1@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalMixed1 = dllexport global i32 0, align 4 __attribute__((dllexport)) extern int PrecedenceGlobalMixed1; __declspec(dllimport) int PrecedenceGlobalMixed1 = 0; // MSC-DAG: @"\01?PrecedenceGlobalMixed2@@3HA" = dllexport global i32 0, align 4 // GNU-DAG: @PrecedenceGlobalMixed2 = dllexport global i32 0, align 4 __attribute__((dllimport)) extern int PrecedenceGlobalMixed2; __declspec(dllexport) int PrecedenceGlobalMixed2; // MSC-DAG: define dllexport void @"\01?precedence1A@@YAXXZ" // MSC-DAG: define dllexport void @"\01?precedence1B@@YAXXZ" // GNU-DAG: define dllexport void @_Z12precedence1Av() // GNU-DAG: define dllexport void @_Z12precedence1Bv() void __attribute__((dllimport, dllexport)) precedence1A() {} void __declspec(dllimport) __declspec(dllexport) precedence1B() {} // MSC-DAG: define dllexport void @"\01?precedence2A@@YAXXZ" // MSC-DAG: define dllexport void @"\01?precedence2B@@YAXXZ" // GNU-DAG: define dllexport void @_Z12precedence2Av() // GNU-DAG: define dllexport void @_Z12precedence2Bv() void __attribute__((dllexport, dllimport)) precedence2A() {} void __declspec(dllexport) __declspec(dllimport) precedence2B() {} // MSC-DAG: define dllexport void @"\01?precedenceRedecl1@@YAXXZ" // GNU-DAG: define dllexport void @_Z17precedenceRedecl1v() void __declspec(dllimport) precedenceRedecl1(); void __declspec(dllexport) precedenceRedecl1() {} // MSC-DAG: define dllexport void @"\01?precedenceRedecl2@@YAXXZ" // GNU-DAG: define dllexport void @_Z17precedenceRedecl2v() void __declspec(dllexport) precedenceRedecl2(); void __declspec(dllimport) precedenceRedecl2() {} //===----------------------------------------------------------------------===// // Classes //===----------------------------------------------------------------------===// struct S { void __declspec(dllexport) a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@S@@QAEXXZ" struct T { void __declspec(dllexport) a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@S@@QAEXXZ" }; }; struct __declspec(dllexport) T { // Copy assignment operator: // M32-DAG: define weak_odr dllexport x86_thiscallcc nonnull %struct.T* @"\01??4T@@QAEAAU0@ABU0@@Z" // Explicitly defaulted copy constructur: T(const T&) = default; // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.T* @"\01??0T@@QAE@ABU0@@Z" void a() {} // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?a@T@@QAEXXZ" static int b; // M32-DAG: @"\01?b@T@@2HA" = external dllexport global i32 static int c; // M32-DAG: @"\01?c@T@@2HA" = dllexport global i32 0, align 4 }; USEVAR(T::b) int T::c; template struct __declspec(dllexport) U { void foo() {} }; // The U specialization below must cause the following to be emitted: // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?foo@?$U@H@@QAEXXZ" // M32-DAG: define weak_odr dllexport x86_thiscallcc nonnull %struct.U* @"\01??4?$U@H@@QAEAAU0@ABU0@@Z" struct __declspec(dllexport) V : public U { }; struct __declspec(dllexport) W { virtual void foo() {} }; // Default ctor: // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.W* @"\01??0W@@QAE@XZ" // Copy ctor: // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.W* @"\01??0W@@QAE@ABU0@@Z" // vftable: // M32-DAG: @"\01??_7W@@6B@" = weak_odr dllexport unnamed_addr constant [1 x i8*] [i8* bitcast (void (%struct.W*)* @"\01?foo@W@@UAEXXZ" to i8*)] // G32-DAG: @_ZTV1W = weak_odr dllexport unnamed_addr constant [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: @"\01??_8X@@7B@" = weak_odr dllexport unnamed_addr constant [2 x i32] [i32 0, i32 4] struct __declspec(dllexport) Y { // Move assignment operator: // M32-DAG: define weak_odr dllexport x86_thiscallcc nonnull %struct.Y* @"\01??4Y@@QAEAAU0@$$QAU0@@Z" int x; }; struct __declspec(dllexport) Z { virtual ~Z() {} }; // The scalar deleting dtor does not get exported: // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01??_GZ@@UAEPAXI@Z" // The user-defined dtor does get exported: // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1Z@@UAE@XZ" namespace DontUseDtorAlias { struct __declspec(dllexport) A { ~A(); }; struct __declspec(dllexport) B : A { ~B(); }; A::~A() { } B::~B() { } // Emit a real definition of B's constructor; don't alias it to A's. // M32-DAG: define dllexport x86_thiscallcc void @"\01??1B@DontUseDtorAlias@@QAE@XZ" } struct __declspec(dllexport) DefaultedCtorsDtors { DefaultedCtorsDtors() = default; // M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ" ~DefaultedCtorsDtors() = default; // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ" }; namespace ReferencedInlineMethodInNestedClass { struct __declspec(dllexport) S { void foo() { t->bar(); } struct T { void bar() {} }; T *t; }; // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?foo@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?bar@T@S@ReferencedInlineMethodInNestedClass@@QAEXXZ" } // MS ignores DLL attributes on partial specializations. template struct PartiallySpecializedClassTemplate {}; template struct __declspec(dllexport) PartiallySpecializedClassTemplate { void f() {} }; USEMEMFUNC(PartiallySpecializedClassTemplate, f); // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?f@?$PartiallySpecializedClassTemplate@PAX@@QAEXXZ" // G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN33PartiallySpecializedClassTemplateIPvE1fEv template struct ExplicitlySpecializedClassTemplate {}; template <> struct __declspec(dllexport) ExplicitlySpecializedClassTemplate { void f() {} }; USEMEMFUNC(ExplicitlySpecializedClassTemplate, f); // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ExplicitlySpecializedClassTemplate@PAX@@QAEXXZ" // G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN34ExplicitlySpecializedClassTemplateIPvE1fEv //===----------------------------------------------------------------------===// // Classes with template base classes //===----------------------------------------------------------------------===// template struct ClassTemplate { void func() {} }; template struct __declspec(dllexport) ExportedClassTemplate { void func() {} }; template struct __declspec(dllimport) ImportedClassTemplate { void func() {} }; template struct ExplicitlySpecializedTemplate { void func() {} }; template <> struct ExplicitlySpecializedTemplate { void func() {} }; template struct ExplicitlyExportSpecializedTemplate { void func() {} }; template <> struct __declspec(dllexport) ExplicitlyExportSpecializedTemplate { void func() {} }; template struct ExplicitlyImportSpecializedTemplate { void func() {} }; template <> struct __declspec(dllimport) ExplicitlyImportSpecializedTemplate { void func() {} }; template struct ExplicitlyInstantiatedTemplate { void func() {} }; template struct ExplicitlyInstantiatedTemplate; template struct ExplicitlyExportInstantiatedTemplate { void 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(ClassTemplate, func) // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ClassTemplate@H@@QAEXXZ" // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN13ClassTemplateIiE4funcEv // ExportedTemplate is explicitly exported. struct __declspec(dllexport) DerivedFromExportedTemplate : public ExportedClassTemplate {}; // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ExportedClassTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN21ExportedClassTemplateIiE4funcEv // ImportedClassTemplate is explicitly imported. struct __declspec(dllexport) DerivedFromImportedTemplate : public ImportedClassTemplate {}; USEMEMFUNC(ImportedClassTemplate, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ImportedClassTemplate@H@@QAEXXZ" // G32-DAG: declare dllimport x86_thiscallcc void @_ZN21ImportedClassTemplateIiE4funcEv // Base class already instantiated without dll attribute. struct DerivedFromTemplateD : public ClassTemplate {}; struct __declspec(dllexport) DerivedFromTemplateD2 : public ClassTemplate {}; USEMEMFUNC(ClassTemplate, func) // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?func@?$ClassTemplate@N@@QAEXXZ" // G32-DAG: define linkonce_odr 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(ClassTemplate, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ClassTemplate@_N@@QAEXXZ" // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN13ClassTemplateIbE4funcEv // Base class already specialized without dll attribute. struct __declspec(dllexport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate {}; USEMEMFUNC(ExplicitlySpecializedTemplate, func) // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?func@?$ExplicitlySpecializedTemplate@H@@QAEXXZ" // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN29ExplicitlySpecializedTemplateIiE4funcEv // Base class alredy specialized with export attribute. struct __declspec(dllexport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate {}; USEMEMFUNC(ExplicitlyExportSpecializedTemplate, func) // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ExplicitlyExportSpecializedTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN35ExplicitlyExportSpecializedTemplateIiE4funcEv // Base class already specialized with import attribute. struct __declspec(dllexport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate {}; USEMEMFUNC(ExplicitlyImportSpecializedTemplate, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ExplicitlyImportSpecializedTemplate@H@@QAEXXZ" // G32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @_ZN35ExplicitlyImportSpecializedTemplateIiE4funcEv // Base class already instantiated without dll attribute. struct __declspec(dllexport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate {}; USEMEMFUNC(ExplicitlyInstantiatedTemplate, func) // M32-DAG: define weak_odr x86_thiscallcc void @"\01?func@?$ExplicitlyInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr x86_thiscallcc void @_ZN30ExplicitlyInstantiatedTemplateIiE4funcEv // Base class already instantiated with export attribute. struct __declspec(dllexport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate {}; USEMEMFUNC(ExplicitlyExportInstantiatedTemplate, func) // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ExplicitlyExportInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN36ExplicitlyExportInstantiatedTemplateIiE4funcEv // Base class already instantiated with import attribute. struct __declspec(dllexport) DerivedFromExplicitlyImportInstantiatedTemplate : public ExplicitlyImportInstantiatedTemplate {}; USEMEMFUNC(ExplicitlyImportInstantiatedTemplate, func) // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ExplicitlyImportInstantiatedTemplate@H@@QAEXXZ" // G32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @_ZN36ExplicitlyImportInstantiatedTemplateIiE4funcEv // MS: A dll attribute propagates through multiple levels of instantiation. template struct TopClass { void func() {} }; template struct MiddleClass : public TopClass { }; struct __declspec(dllexport) BottomClas : public MiddleClass { }; USEMEMFUNC(TopClass, func) // M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$TopClass@H@@QAEXXZ" // G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN8TopClassIiE4funcEv