// 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 --check-prefix=MSC --check-prefix=M32 -check-prefix=MSVC2015 -check-prefix=M32MSVC2015 %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 --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 --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2015 -check-prefix=M64MSVC2015 %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 --check-prefix=MSC --check-prefix=M64 -check-prefix=MSVC2013 -check-prefix=M64MSVC2013 %s
// RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -std=c++1y -fno-threadsafe-statics -fms-extensions -O0 -o - %s -w | FileCheck --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 --check-prefix=GNU --check-prefix=G64 %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: $"\01??_7W@@6B@" = comdat largest
//===----------------------------------------------------------------------===//
// 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@?1??nonInlineStaticLocalsFunc@@YAHXZ@4HA" = internal {{(unnamed_addr )*}}global i32 0
// MSC-DAG: @"\01?$S1@?1??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, comdat
// MSC-DAG: @"\01??_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++;
}
//===----------------------------------------------------------------------===//
// Variable templates
//===----------------------------------------------------------------------===//
// Declarations are not exported.
// dllexport implies a definition.
// MSC-NOT: @"\01??$VarTmplDef@UExplicitInst_Exported@@@@3HA"
// GNU-NOT: @_Z10VarTmplDefI21ExplicitInst_ExportedE
template<typename T> __declspec(dllexport) int VarTmplDef;
INSTVAR(VarTmplDef<ExplicitInst_Exported>)
// MSC-DAG: @"\01??$VarTmplImplicitDef@UImplicitInst_Exported@@@@3HA" = external global
// GNU-DAG: @_Z18VarTmplImplicitDefI21ImplicitInst_ExportedE = external global
template<typename T> __declspec(dllexport) int VarTmplImplicitDef;
USEVAR(VarTmplImplicitDef<ImplicitInst_Exported>)
// Export definition.
// MSC-DAG: @"\01??$VarTmplInit1@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z12VarTmplInit1I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template<typename T> __declspec(dllexport) int VarTmplInit1 = 1;
INSTVAR(VarTmplInit1<ExplicitInst_Exported>)
// MSC-DAG: @"\01??$VarTmplInit2@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z12VarTmplInit2I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template<typename T> int __declspec(dllexport) VarTmplInit2 = 1;
INSTVAR(VarTmplInit2<ExplicitInst_Exported>)
// Declare, then export definition.
// MSC-DAG: @"\01??$VarTmplDeclInit@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z15VarTmplDeclInitI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template<typename T> __declspec(dllexport) extern int VarTmplDeclInit;
template<typename T> int VarTmplDeclInit = 1;
INSTVAR(VarTmplDeclInit<ExplicitInst_Exported>)
// Redeclarations
// MSC-DAG: @"\01??$VarTmplRedecl1@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z14VarTmplRedecl1I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template<typename T> __declspec(dllexport) extern int VarTmplRedecl1;
template<typename T> __declspec(dllexport) int VarTmplRedecl1 = 1;
INSTVAR(VarTmplRedecl1<ExplicitInst_Exported>)
// MSC-DAG: @"\01??$VarTmplRedecl2@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z14VarTmplRedecl2I21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template<typename T> __declspec(dllexport) extern int VarTmplRedecl2;
template<typename T> int VarTmplRedecl2 = 1;
INSTVAR(VarTmplRedecl2<ExplicitInst_Exported>)
// MSC-DAG: @"\01??$ExternalVarTmpl@UExplicitInst_Exported@@@ns@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_ZN2ns15ExternalVarTmplI21ExplicitInst_ExportedEE = weak_odr dllexport global i32 1, comdat, align 4
namespace ns { template<typename T> __declspec(dllexport) int ExternalVarTmpl = 1; }
INSTVAR(ns::ExternalVarTmpl<ExplicitInst_Exported>)
// MSC-DAG: @"\01??$ExternalAutoTypeVarTmpl@UExplicitInst_Exported@@@@3UExternal@@A" = weak_odr dllexport global %struct.External zeroinitializer, comdat, align 4
// GNU-DAG: @_Z23ExternalAutoTypeVarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global %struct.External zeroinitializer, comdat, align 4
template<typename T> __declspec(dllexport) auto ExternalAutoTypeVarTmpl = External();
template External ExternalAutoTypeVarTmpl<ExplicitInst_Exported>;
template<typename T> int VarTmpl = 1;
template<typename T> __declspec(dllexport) int ExportedVarTmpl = 1;
// Export implicit instantiation of an exported variable template.
// MSC-DAG: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z15ExportedVarTmplI21ImplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
USEVAR(ExportedVarTmpl<ImplicitInst_Exported>)
// Export explicit instantiation declaration of an exported variable template.
// MSC-DAG: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z15ExportedVarTmplI21ExplicitDecl_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
extern template int ExportedVarTmpl<ExplicitDecl_Exported>;
template int ExportedVarTmpl<ExplicitDecl_Exported>;
// Export explicit instantiation definition of an exported variable template.
// MSC-DAG: @"\01??$ExportedVarTmpl@UImplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z15ExportedVarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template __declspec(dllexport) int ExportedVarTmpl<ExplicitInst_Exported>;
// Export specialization of an exported variable template.
// MSC-DAG: @"\01??$ExportedVarTmpl@UExplicitSpec_Exported@@@@3HA" = dllexport global i32 0, align 4
// GNU-DAG: @_Z15ExportedVarTmplI21ExplicitSpec_ExportedE = dllexport global i32 0, align 4
template<> __declspec(dllexport) int ExportedVarTmpl<ExplicitSpec_Exported>;
// MSC-DAG: @"\01??$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<ExplicitSpec_Def_Exported> = 1;
// Not exporting specialization of an exported variable template without
// explicit dllexport.
// MSC-DAG: @"\01??$ExportedVarTmpl@UExplicitSpec_NotExported@@@@3HA" = global i32 0, align 4
// GNU-DAG: @_Z15ExportedVarTmplI24ExplicitSpec_NotExportedE = global i32 0, align 4
template<> int ExportedVarTmpl<ExplicitSpec_NotExported>;
// Export explicit instantiation declaration of a non-exported variable template.
// MSC-DAG: @"\01??$VarTmpl@UExplicitDecl_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z7VarTmplI21ExplicitDecl_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
extern template __declspec(dllexport) int VarTmpl<ExplicitDecl_Exported>;
template __declspec(dllexport) int VarTmpl<ExplicitDecl_Exported>;
// Export explicit instantiation definition of a non-exported variable template.
// MSC-DAG: @"\01??$VarTmpl@UExplicitInst_Exported@@@@3HA" = weak_odr dllexport global i32 1, comdat, align 4
// GNU-DAG: @_Z7VarTmplI21ExplicitInst_ExportedE = weak_odr dllexport global i32 1, comdat, align 4
template __declspec(dllexport) int VarTmpl<ExplicitInst_Exported>;
// Export specialization of a non-exported variable template.
// MSC-DAG: @"\01??$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<ExplicitSpec_Exported>;
// 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<ExplicitSpec_Def_Exported> = 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<typename T> __declspec(dllexport) void funcTmplDef() {}
INST(funcTmplDef<ExplicitInst_Exported>)
// Export inline function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmpl1@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15inlineFuncTmpl1I21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) inline void inlineFuncTmpl1() {}
INST(inlineFuncTmpl1<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmpl2@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15inlineFuncTmpl2I21ExplicitInst_ExportedEvv()
template<typename T> inline void __attribute__((dllexport)) inlineFuncTmpl2() {}
INST(inlineFuncTmpl2<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmplDecl@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z18inlineFuncTmplDeclI21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) inline void inlineFuncTmplDecl();
template<typename T> void inlineFuncTmplDecl() {}
INST(inlineFuncTmplDecl<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$inlineFuncTmplDef@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z17inlineFuncTmplDefI21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) void inlineFuncTmplDef();
template<typename T> inline void inlineFuncTmplDef() {}
INST(inlineFuncTmplDef<ExplicitInst_Exported>)
// Redeclarations
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl1@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl1I21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) void funcTmplRedecl1();
template<typename T> __declspec(dllexport) void funcTmplRedecl1() {}
INST(funcTmplRedecl1<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl2@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl2I21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) void funcTmplRedecl2();
template<typename T> void funcTmplRedecl2() {}
INST(funcTmplRedecl2<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplRedecl3@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15funcTmplRedecl3I21ExplicitInst_ExportedEvv()
template<typename T> __declspec(dllexport) void funcTmplRedecl3();
template<typename T> void funcTmplRedecl3() {}
INST(funcTmplRedecl3<ExplicitInst_Exported>)
// Function template friends
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplFriend1@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15funcTmplFriend1I21ExplicitInst_ExportedEvv()
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmplFriend2@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z15funcTmplFriend2I21ExplicitInst_ExportedEvv()
struct FuncTmplFriend {
template<typename T> friend __declspec(dllexport) void funcTmplFriend1();
template<typename T> friend __declspec(dllexport) void funcTmplFriend2();
};
template<typename T> __declspec(dllexport) void funcTmplFriend1() {}
template<typename T> void funcTmplFriend2() {}
INST(funcTmplFriend1<ExplicitInst_Exported>)
INST(funcTmplFriend2<ExplicitInst_Exported>)
// MSC-DAG: define weak_odr dllexport void @"\01??$externalFuncTmpl@UExplicitInst_Exported@@@ns@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_ZN2ns16externalFuncTmplI21ExplicitInst_ExportedEEvv()
namespace ns { template<typename T> __declspec(dllexport) void externalFuncTmpl() {} }
INST(ns::externalFuncTmpl<ExplicitInst_Exported>)
template<typename T> void funcTmpl() {}
template<typename T> __declspec(dllexport) void exportedFuncTmpl() {}
// Export implicit instantiation of an exported function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UImplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ImplicitInst_ExportedEvv()
USE(exportedFuncTmpl<ImplicitInst_Exported>)
// Export explicit instantiation declaration of an exported function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitDecl_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ExplicitDecl_ExportedEvv()
extern template void exportedFuncTmpl<ExplicitDecl_Exported>();
template void exportedFuncTmpl<ExplicitDecl_Exported>();
// Export explicit instantiation definition of an exported function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI21ExplicitInst_ExportedEvv()
template void exportedFuncTmpl<ExplicitInst_Exported>();
// Export specialization of an exported function template.
// MSC-DAG: define dllexport void @"\01??$exportedFuncTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"()
// GNU-DAG: define dllexport void @_Z16exportedFuncTmplI25ExplicitSpec_Def_ExportedEvv()
template<> __declspec(dllexport) void exportedFuncTmpl<ExplicitSpec_Def_Exported>() {}
// MSC-DAG: define weak_odr dllexport void @"\01??$exportedFuncTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z16exportedFuncTmplI31ExplicitSpec_InlineDef_ExportedEvv()
template<> __declspec(dllexport) inline void exportedFuncTmpl<ExplicitSpec_InlineDef_Exported>() {}
// Not exporting specialization of an exported function template without
// explicit dllexport.
// MSC-DAG: define void @"\01??$exportedFuncTmpl@UExplicitSpec_NotExported@@@@YAXXZ"()
// GNU-DAG: define void @_Z16exportedFuncTmplI24ExplicitSpec_NotExportedEvv()
template<> void exportedFuncTmpl<ExplicitSpec_NotExported>() {}
// Export explicit instantiation declaration of a non-exported function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmpl@UExplicitDecl_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z8funcTmplI21ExplicitDecl_ExportedEvv()
extern template __declspec(dllexport) void funcTmpl<ExplicitDecl_Exported>();
template __declspec(dllexport) void funcTmpl<ExplicitDecl_Exported>();
// Export explicit instantiation definition of a non-exported function template.
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmpl@UExplicitInst_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z8funcTmplI21ExplicitInst_ExportedEvv()
template __declspec(dllexport) void funcTmpl<ExplicitInst_Exported>();
// Export specialization of a non-exported function template.
// MSC-DAG: define dllexport void @"\01??$funcTmpl@UExplicitSpec_Def_Exported@@@@YAXXZ"()
// GNU-DAG: define dllexport void @_Z8funcTmplI25ExplicitSpec_Def_ExportedEvv()
template<> __declspec(dllexport) void funcTmpl<ExplicitSpec_Def_Exported>() {}
// MSC-DAG: define weak_odr dllexport void @"\01??$funcTmpl@UExplicitSpec_InlineDef_Exported@@@@YAXXZ"()
// GNU-DAG: define weak_odr dllexport void @_Z8funcTmplI31ExplicitSpec_InlineDef_ExportedEvv()
template<> __declspec(dllexport) inline void funcTmpl<ExplicitSpec_InlineDef_Exported>() {}
//===----------------------------------------------------------------------===//
// 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"
};
};
template <typename T>
struct SomeTemplate {
SomeTemplate(T o = T()) : o(o) {}
T o;
};
// MSVC2015-DAG: define weak_odr dllexport {{.+}} @"\01??4?$SomeTemplate@H@@Q{{.+}}@$$Q{{.+}}@@Z"
// MSVC2013-DAG: define weak_odr dllexport {{.+}} @"\01??4?$SomeTemplate@H@@Q{{.+}}0@A{{.+}}0@@Z"
struct __declspec(dllexport) InheritFromTemplate : SomeTemplate<int> {};
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??_F?$SomeTemplate@H@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
namespace PR23801 {
template <typename>
struct S {
~S() {}
};
struct A {
A(int);
S<int> s;
};
struct __declspec(dllexport) B {
B(A = 0) {}
};
}
//
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??_FB@PR23801@@QAEXXZ"({{.*}}) {{#[0-9]+}} comdat
struct __declspec(dllexport) T {
// Copy assignment operator:
// M32-DAG: define weak_odr dllexport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.T* @"\01??4T@@QAEAAU0@ABU0@@Z"
// Explicitly defaulted copy constructur:
T(const T&) = default;
// M32MSVC2013-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 global i32
static int c;
// M32-DAG: @"\01?c@T@@2HA" = dllexport global i32 0, align 4
};
USEVAR(T::b)
int T::c;
// Export template class with static member variable
// MSC-DAG: @"\01?StaticClassVarExpTmplClass@?$TmplClass@H@@2HA" = weak_odr dllexport global i32 0, comdat, align 4
// GNU-DAG: @_ZN9TmplClassIiE26StaticClassVarExpTmplClassE = weak_odr dllexport global i32 0, comdat, align 4
template<typename T>
struct __declspec(dllexport) TmplClass
{
static T StaticClassVarExpTmplClass;
};
template<typename T>
T TmplClass<T>::StaticClassVarExpTmplClass;
// Export a definition of a template function.
// MSC-DAG: define weak_odr dllexport i32 @"\01??$TypeFunTmpl@H@@YAHH@Z"
// GNU-DAG: define weak_odr dllexport i32 @_Z11TypeFunTmplIiET_S0_
template<typename T>
T __declspec(dllexport) TypeFunTmpl(T t) { return t + t; }
// Instantiate the exported template class and the exported template function.
int useExportedTmplStaticAndFun()
{
return TmplClass<int>::StaticClassVarExpTmplClass + TypeFunTmpl<int>(10);
}
template <typename T> struct __declspec(dllexport) U { void foo() {} };
struct __declspec(dllexport) V : public U<int> { };
// U<int>'s assignment operator is emitted.
// M32-DAG: define weak_odr dllexport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.U* @"\01??4?$U@H@@QAEAAU0@ABU0@@Z"
struct __declspec(dllexport) W { virtual void foo(); };
void W::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: [[W_VTABLE:@.*]] = private unnamed_addr constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (%rtti.CompleteObjectLocator* @"\01??_R4W@@6B@" to i8*), i8* bitcast (void (%struct.W*)* @"\01?foo@W@@UAEXXZ" to i8*)] }, comdat($"\01??_7W@@6B@")
// M32-DAG: @"\01??_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 = 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: @"\01??_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 dllexport {{.+}} @"\01??4Y@@Q{{.+}}@$$Q{{.+}}@@Z"
// MSVC2013-DAG: define weak_odr dllexport {{.+}} @"\01??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 x86_thiscallcc i8* @"\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 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: @"\01??1B@UseDtorAlias@@QAE@XZ" = dllexport alias {{.*}} @"\01??1A@UseDtorAlias@@QAE@XZ"
}
struct __declspec(dllexport) DefaultedCtorsDtors {
DefaultedCtorsDtors() = default;
// M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.DefaultedCtorsDtors* @"\01??0DefaultedCtorsDtors@@QAE@XZ"
~DefaultedCtorsDtors() = default;
// M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1DefaultedCtorsDtors@@QAE@XZ"
};
// Export defaulted member function definitions declared inside class.
struct __declspec(dllexport) ExportDefaultedInclassDefs {
ExportDefaultedInclassDefs() = default;
// M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this)
// M64VS2013-DAG: define weak_odr dllexport %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this)
// M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* returned %this)
// M64VS2015-NOT: define weak_odr dllexport %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* returned %this)
~ExportDefaultedInclassDefs() = default;
// M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this)
// M64VS2013-DAG: define weak_odr dllexport void @"\01??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this)
// M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc void @"\01??1ExportDefaultedInclassDefs@@QAE@XZ"(%struct.ExportDefaultedInclassDefs* %this)
// M64VS2015-NOT: define weak_odr dllexport void @"\01??1ExportDefaultedInclassDefs@@QEAA@XZ"(%struct.ExportDefaultedInclassDefs* %this)
ExportDefaultedInclassDefs(const ExportDefaultedInclassDefs&) = default;
// M32VS2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* returned %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
// M64VS2013-DAG: define weak_odr dllexport %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* returned %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
// M32VS2015-NOT: define weak_odr dllexport x86_thiscallcc %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QAE@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* returned %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
// M64VS2015-NOT: define weak_odr dllexport %struct.ExportDefaultedInclassDefs* @"\01??0ExportDefaultedInclassDefs@@QEAA@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* returned %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
ExportDefaultedInclassDefs& operator=(const ExportDefaultedInclassDefs&) = default;
// M32-DAG: define weak_odr dllexport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.ExportDefaultedInclassDefs* @"\01??4ExportDefaultedInclassDefs@@QAEAAU0@ABU0@@Z"(%struct.ExportDefaultedInclassDefs* %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
// M64-DAG: define weak_odr dllexport dereferenceable({{[0-9]+}}) %struct.ExportDefaultedInclassDefs* @"\01??4ExportDefaultedInclassDefs@@QEAAAEAU0@AEBU0@@Z"(%struct.ExportDefaultedInclassDefs* %this, %struct.ExportDefaultedInclassDefs* dereferenceable({{[0-9]+}}))
};
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 <typename T> struct PartiallySpecializedClassTemplate {};
template <typename T> struct __declspec(dllexport) PartiallySpecializedClassTemplate<T*> { void f(); };
template <typename T> void PartiallySpecializedClassTemplate<T*>::f() {}
USEMEMFUNC(PartiallySpecializedClassTemplate<void*>, f);
// M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?f@?$PartiallySpecializedClassTemplate@PAX@@QAEXXZ"
// G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN33PartiallySpecializedClassTemplateIPvE1fEv
// Attributes on explicit specializations are honored.
template <typename T> struct ExplicitlySpecializedClassTemplate {};
template <> struct __declspec(dllexport) ExplicitlySpecializedClassTemplate<void*> { void f(); };
void ExplicitlySpecializedClassTemplate<void*>::f() {}
USEMEMFUNC(ExplicitlySpecializedClassTemplate<void*>, f);
// M32-DAG: define dllexport x86_thiscallcc void @"\01?f@?$ExplicitlySpecializedClassTemplate@PAX@@QAEXXZ"
// G32-DAG: define dllexport x86_thiscallcc void @_ZN34ExplicitlySpecializedClassTemplateIPvE1fEv
// MS inherits DLL attributes to partial specializations.
template <typename T> struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate {};
template <typename T> struct PartiallySpecializedExportedClassTemplate<T*> { void f() {} };
USEMEMFUNC(PartiallySpecializedExportedClassTemplate<void*>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$PartiallySpecializedExportedClassTemplate@PAX@@QAEXXZ"
// G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN41PartiallySpecializedExportedClassTemplateIPvE1fEv
// MS ignores DLL attributes on partial specializations; inheritance still works though.
template <typename T> struct __declspec(dllexport) PartiallySpecializedExportedClassTemplate2 {};
template <typename T> struct __declspec(dllimport) PartiallySpecializedExportedClassTemplate2<T*> { void f(); };
template <typename T> void PartiallySpecializedExportedClassTemplate2<T*>::f() {}
USEMEMFUNC(PartiallySpecializedExportedClassTemplate2<void*>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$PartiallySpecializedExportedClassTemplate2@PAX@@QAEXXZ"
// G32-DAG: declare dllimport x86_thiscallcc void @_ZN42PartiallySpecializedExportedClassTemplate2IPvE1fEv
// Attributes on the instantiation take precedence over attributes on the template.
template <typename T> struct __declspec(dllimport) ExplicitlyInstantiatedWithDifferentAttr { void f() {} };
template struct __declspec(dllexport) ExplicitlyInstantiatedWithDifferentAttr<int>;
USEMEMFUNC(ExplicitlyInstantiatedWithDifferentAttr<int>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ExplicitlyInstantiatedWithDifferentAttr@H@@QAEXXZ"
// Don't create weak dllexport aliases. (PR21373)
struct NonExportedBaseClass {
virtual ~NonExportedBaseClass();
};
NonExportedBaseClass::~NonExportedBaseClass() {}
struct __declspec(dllexport) ExportedDerivedClass : NonExportedBaseClass {};
// M32-DAG: weak_odr dllexport x86_thiscallcc void @"\01??1ExportedDerivedClass@@UAE@XZ"
// Do not assert about generating code for constexpr functions twice during explicit instantiation (PR21718).
template <typename T> struct ExplicitInstConstexprMembers {
// Copy assignment operator
// M32-DAG: define weak_odr dllexport x86_thiscallcc dereferenceable(1) %struct.ExplicitInstConstexprMembers* @"\01??4?$ExplicitInstConstexprMembers@X@@QAEAAU0@ABU0@@Z"
constexpr ExplicitInstConstexprMembers() {}
// M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"\01??0?$ExplicitInstConstexprMembers@X@@QAE@XZ"
ExplicitInstConstexprMembers(const ExplicitInstConstexprMembers&) = default;
// M32MSVC2013-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExplicitInstConstexprMembers* @"\01??0?$ExplicitInstConstexprMembers@X@@QAE@ABU0@@Z"
constexpr int f() const { return 42; }
// M32-DAG: define weak_odr dllexport x86_thiscallcc i32 @"\01?f@?$ExplicitInstConstexprMembers@X@@QBEHXZ"
};
template struct __declspec(dllexport) ExplicitInstConstexprMembers<void>;
template <typename T> struct ExplicitInstantiationDeclTemplate { void f() {} };
extern template struct __declspec(dllexport) ExplicitInstantiationDeclTemplate<int>;
USEMEMFUNC(ExplicitInstantiationDeclTemplate<int>, f);
// M32-DAG: {{declare|define available_externally}} x86_thiscallcc void @"\01?f@?$ExplicitInstantiationDeclTemplate@H@@QAEXXZ"
template <typename T> struct __declspec(dllexport) ExplicitInstantiationDeclExportedTemplate { void f() {} };
extern template struct ExplicitInstantiationDeclExportedTemplate<int>;
USEMEMFUNC(ExplicitInstantiationDeclExportedTemplate<int>, f);
// M32-DAG: {{declare|define available_externally}} x86_thiscallcc void @"\01?f@?$ExplicitInstantiationDeclExportedTemplate@H@@QAEXXZ"
template <typename T> struct ExplicitInstantiationDeclExportedDefTemplate { void f() {} ExplicitInstantiationDeclExportedDefTemplate() {} };
extern template struct ExplicitInstantiationDeclExportedDefTemplate<int>;
template struct __declspec(dllexport) ExplicitInstantiationDeclExportedDefTemplate<int>;
USEMEMFUNC(ExplicitInstantiationDeclExportedDefTemplate<int>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAEXXZ"
// M32-DAG: define weak_odr dllexport x86_thiscallcc %struct.ExplicitInstantiationDeclExportedDefTemplate* @"\01??0?$ExplicitInstantiationDeclExportedDefTemplate@H@@QAE@XZ"
// G32-DAG: define weak_odr x86_thiscallcc void @_ZN44ExplicitInstantiationDeclExportedDefTemplateIiE1fEv
template <typename T> struct ImplicitInstantiationExportedExplicitInstantiationDefTemplate { virtual void f() {} };
ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int> ImplicitInstantiationExportedExplicitInstantiationDefTemplateInstance;
template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int>;
USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefTemplate<int>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ImplicitInstantiationExportedExplicitInstantiationDefTemplate@H@@UAEXXZ"
// G32-DAG: define weak_odr x86_thiscallcc void @_ZN61ImplicitInstantiationExportedExplicitInstantiationDefTemplateIiE1fEv
template <typename T> struct __declspec(dllexport) ImplicitInstantiationExplicitInstantiationDefExportedTemplate { virtual void f() {} };
ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int> ImplicitInstantiationExplicitInstantiationDefExportedTemplateInstance;
template struct ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int>;
USEMEMFUNC(ImplicitInstantiationExplicitInstantiationDefExportedTemplate<int>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ImplicitInstantiationExplicitInstantiationDefExportedTemplate@H@@UAEXXZ"
// G32-DAG: define weak_odr x86_thiscallcc void @_ZN61ImplicitInstantiationExplicitInstantiationDefExportedTemplateIiE1fEv
template <typename T> struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate { virtual void f() {} };
ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int> ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplateInstance;
template struct __declspec(dllexport) ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int>;
USEMEMFUNC(ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate<int>, f);
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ImplicitInstantiationExportedExplicitInstantiationDefExportedTemplate@H@@UAEXXZ"
// G32-DAG: define weak_odr 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 @"\01?f@PR23308@@QAEXPAUInternalLinkageType@?A@@@Z"
template <typename T> struct PR23770BaseTemplate { void f() {} };
template <typename T> struct PR23770DerivedTemplate : PR23770BaseTemplate<int> {};
extern template struct PR23770DerivedTemplate<int>;
template struct __declspec(dllexport) PR23770DerivedTemplate<int>;
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$PR23770BaseTemplate@H@@QAEXXZ"
namespace InClassInits {
struct __declspec(dllexport) S {
int x = 42;
};
// M32-DAG: define weak_odr dllexport x86_thiscallcc %"struct.InClassInits::S"* @"\01??0S@InClassInits@@QAE@XZ"
// dllexport an already instantiated class template.
template <typename T> struct Base {
int x = 42;
};
Base<int> base;
struct __declspec(dllexport) T : Base<int> { };
// M32-DAG: define weak_odr dllexport x86_thiscallcc %"struct.InClassInits::Base"* @"\01??0?$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 dllexport x86_thiscallcc %"struct.InClassInits::U"* @"\01??0U@InClassInits@@QAE@UA@1@@Z"
struct Evil {
template <typename T> struct Base {
int x = 0;
};
struct S : Base<int> {};
// The already instantiated Base<int> 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<int> {};
};
// M32-DAG: define weak_odr dllexport x86_thiscallcc %"struct.InClassInits::Evil::Base"* @"\01??0?$Base@H@Evil@InClassInits@@QAE@XZ"
template <typename T> struct Foo {};
template <typename T> struct Bar {
Bar<T> &operator=(Foo<T>) {}
};
struct __declspec(dllexport) Baz {
Bar<int> n;
};
// After parsing Baz, in ActOnFinishCXXNonNestedClass we would synthesize
// Baz's operator=, causing instantiation of Foo<int> after which
// ActOnFinishCXXNonNestedClass is called, and we would bite our own tail.
// M32-DAG: define weak_odr dllexport x86_thiscallcc dereferenceable(1) %"struct.InClassInits::Baz"* @"\01??4Baz@InClassInits@@QAEAAU01@ABU01@@Z"
}
// We had an issue where instantiating A would force emission of B's delayed
// exported methods.
namespace pr26490 {
template <typename T> struct A { };
struct __declspec(dllexport) B {
B(int = 0) {}
A<int> m_fn1() {}
};
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01??_FB@pr26490@@QAEXXZ"
}
// dllexport trumps dllexport on an explicit instantiation.
template <typename T> struct ExplicitInstantiationTwoAttributes { void f() {} };
template struct __declspec(dllexport) __declspec(dllimport) ExplicitInstantiationTwoAttributes<int>;
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?f@?$ExplicitInstantiationTwoAttributes@H@@QAEXXZ"
//===----------------------------------------------------------------------===//
// Classes with template base classes
//===----------------------------------------------------------------------===//
template <typename T> struct ClassTemplate { void func(); };
template <typename T> void ClassTemplate<T>::func() {}
template <typename T> struct __declspec(dllexport) ExportedClassTemplate { void func(); };
template <typename T> void ExportedClassTemplate<T>::func() {}
template <typename T> struct __declspec(dllimport) ImportedClassTemplate { void func(); };
template <typename T> void ImportedClassTemplate<T>::func() {}
template <typename T> struct ExplicitlySpecializedTemplate { void func() {} };
template <> struct ExplicitlySpecializedTemplate<int> { void func(); };
void ExplicitlySpecializedTemplate<int>::func() {}
template <typename T> struct ExplicitlyExportSpecializedTemplate { void func() {} };
template <> struct __declspec(dllexport) ExplicitlyExportSpecializedTemplate<int> { void func(); };
void ExplicitlyExportSpecializedTemplate<int>::func() {}
template <typename T> struct ExplicitlyImportSpecializedTemplate { void func(); };
template <> struct __declspec(dllimport) ExplicitlyImportSpecializedTemplate<int> { void func(); };
template <typename T> struct ExplicitlyInstantiatedTemplate { void func(); };
template <typename T> void ExplicitlyInstantiatedTemplate<T>::func() {}
template struct ExplicitlyInstantiatedTemplate<int>;
template <typename T> struct ExplicitlyExportInstantiatedTemplate { void func(); };
template <typename T> void ExplicitlyExportInstantiatedTemplate<T>::func() {}
template struct __declspec(dllexport) ExplicitlyExportInstantiatedTemplate<int>;
template <typename T> struct ExplicitlyImportInstantiatedTemplate { void func(); };
template struct __declspec(dllimport) ExplicitlyImportInstantiatedTemplate<int>;
// MS: ClassTemplate<int> gets exported.
struct __declspec(dllexport) DerivedFromTemplate : public ClassTemplate<int> {};
USEMEMFUNC(DerivedFromTemplate, func)
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ClassTemplate@H@@QAEXXZ"
// G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN13ClassTemplateIiE4funcEv
// ExportedTemplate is explicitly exported.
struct __declspec(dllexport) DerivedFromExportedTemplate : public ExportedClassTemplate<int> {};
USEMEMFUNC(DerivedFromExportedTemplate, func)
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ExportedClassTemplate@H@@QAEXXZ"
// G32-DAG: define weak_odr dllexport x86_thiscallcc void @_ZN21ExportedClassTemplateIiE4funcEv
// ImportedClassTemplate is explicitly imported.
struct __declspec(dllexport) DerivedFromImportedTemplate : public ImportedClassTemplate<int> {};
USEMEMFUNC(DerivedFromImportedTemplate, func)
// M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ImportedClassTemplate@H@@QAEXXZ"
// G32-DAG: declare dllimport x86_thiscallcc void @_ZN21ImportedClassTemplateIiE4funcEv
// Base class already implicitly instantiated without dll attribute.
struct DerivedFromTemplateD : public ClassTemplate<double> {};
struct __declspec(dllexport) DerivedFromTemplateD2 : public ClassTemplate<double> {};
USEMEMFUNC(DerivedFromTemplateD2, func)
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$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<bool> {};
struct __declspec(dllexport) DerivedFromTemplateB2 : public ClassTemplate<bool> {};
USEMEMFUNC(DerivedFromTemplateB2, func)
// M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"\01?func@?$ClassTemplate@_N@@QAEXXZ"
// G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN13ClassTemplateIbE4funcEv
// Base class already specialized without dll attribute.
struct __declspec(dllexport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate<int> {};
USEMEMFUNC(DerivedFromExplicitlySpecializedTemplate, func)
// M32-DAG: define x86_thiscallcc void @"\01?func@?$ExplicitlySpecializedTemplate@H@@QAEXXZ"
// G32-DAG: define x86_thiscallcc void @_ZN29ExplicitlySpecializedTemplateIiE4funcEv
// Base class alredy specialized with export attribute.
struct __declspec(dllexport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate<int> {};
USEMEMFUNC(DerivedFromExplicitlyExportSpecializedTemplate, func)
// M32-DAG: define dllexport x86_thiscallcc void @"\01?func@?$ExplicitlyExportSpecializedTemplate@H@@QAEXXZ"
// G32-DAG: define dllexport x86_thiscallcc void @_ZN35ExplicitlyExportSpecializedTemplateIiE4funcEv
// Base class already specialized with import attribute.
struct __declspec(dllexport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate<int> {};
USEMEMFUNC(DerivedFromExplicitlyImportSpecializedTemplate, func)
// M32-DAG: declare dllimport x86_thiscallcc void @"\01?func@?$ExplicitlyImportSpecializedTemplate@H@@QAEXXZ"
// G32-DAG: declare dllimport x86_thiscallcc void @_ZN35ExplicitlyImportSpecializedTemplateIiE4funcEv
// Base class already instantiated without dll attribute.
struct __declspec(dllexport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate<int> {};
USEMEMFUNC(DerivedFromExplicitlyInstantiatedTemplate, func)
// M32-DAG: define weak_odr x86_thiscallcc void @"\01?func@?$ExplicitlyInstantiatedTemplate@H@@QAEXXZ"
// G32-DAG: define weak_odr x86_thiscallcc void @_ZN30ExplicitlyInstantiatedTemplateIiE4funcEv
// Base class already instantiated with export attribute.
struct __declspec(dllexport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate<int> {};
USEMEMFUNC(DerivedFromExplicitlyExportInstantiatedTemplate, func)
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$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<int> {};
USEMEMFUNC(DerivedFromExplicitlyImportInstantiatedTemplate, func)
// M32-DAG: declare dllimport x86_thiscallcc void @"\01?func@?$ExplicitlyImportInstantiatedTemplate@H@@QAEXXZ"
// G32-DAG: declare dllimport x86_thiscallcc void @_ZN36ExplicitlyImportInstantiatedTemplateIiE4funcEv
// MS: A dll attribute propagates through multiple levels of instantiation.
template <typename T> struct TopClass { void func() {} };
template <typename T> struct MiddleClass : public TopClass<T> { };
struct __declspec(dllexport) BottomClass : public MiddleClass<int> { };
USEMEMFUNC(BottomClass, func)
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$TopClass@H@@QAEXXZ"
// G32-DAG: define linkonce_odr x86_thiscallcc void @_ZN8TopClassIiE4funcEv
template <typename T> struct ExplicitInstantiationDeclTemplateBase { void func() {} };
extern template struct ExplicitInstantiationDeclTemplateBase<int>;
struct __declspec(dllexport) DerivedFromExplicitInstantiationDeclTemplateBase : public ExplicitInstantiationDeclTemplateBase<int> {};
template struct ExplicitInstantiationDeclTemplateBase<int>;
// M32-DAG: define weak_odr dllexport x86_thiscallcc void @"\01?func@?$ExplicitInstantiationDeclTemplateBase@H@@QAEXXZ"
// G32-DAG: define weak_odr x86_thiscallcc void @_ZN37ExplicitInstantiationDeclTemplateBaseIiE4funcEv
// PR26076
struct LayerSelectionBound;
template <typename> struct Selection {};
typedef Selection<LayerSelectionBound> LayerSelection;
struct LayerImpl;
struct __declspec(dllexport) LayerTreeImpl {
struct __declspec(dllexport) ElementLayers {
LayerImpl *main = nullptr;
};
LayerSelection foo;
};
// M32-DAG: define weak_odr dllexport x86_thiscallcc %"struct.LayerTreeImpl::ElementLayers"* @"\01??0ElementLayers@LayerTreeImpl@@QAE@XZ"
// M64-DAG: define weak_odr dllexport %"struct.LayerTreeImpl::ElementLayers"* @"\01??0ElementLayers@LayerTreeImpl@@QEAA@XZ"
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 dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q
// The declarations should not be exported.
// MSVC2013-NOT: define weak_odr dllexport {{.+}}ACE_Service_Object@@Q{{.+}}@$$Q
