| // RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M32 %s |
| // RUN: %clang_cc1 -triple x86_64-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC --check-prefix=M64 %s |
| // RUN: %clang_cc1 -triple i686-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G32 %s |
| // RUN: %clang_cc1 -triple x86_64-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -w | FileCheck --check-prefix=GNU --check-prefix=G64 %s |
| // RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=18.00 -emit-llvm -std=c++1y -O1 -disable-llvm-passes -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M18 %s |
| // RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -fms-compatibility-version=19.00 -emit-llvm -std=c++1y -O1 -disable-llvm-passes -o - %s -DMSABI -w | FileCheck --check-prefix=MO1 --check-prefix=M19 %s |
| // RUN: %clang_cc1 -triple i686-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O1 -fno-experimental-new-pass-manager -o - %s -w | FileCheck --check-prefix=GO1 %s |
| |
| // CHECK-NOT doesn't play nice with CHECK-DAG, so use separate run lines. |
| // RUN: %clang_cc1 -triple i686-windows-msvc -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -DMSABI -w | FileCheck --check-prefix=MSC2 %s |
| // RUN: %clang_cc1 -triple i686-windows-gnu -fno-rtti -fno-threadsafe-statics -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s -w | FileCheck --check-prefix=GNU2 %s |
| |
| // Helper structs to make templates more expressive. |
| struct ImplicitInst_Imported {}; |
| struct ImplicitInst_NotImported {}; |
| struct ExplicitDecl_Imported {}; |
| struct ExplicitInst_Imported {}; |
| struct ExplicitSpec_Imported {}; |
| struct ExplicitSpec_Def_Imported {}; |
| struct ExplicitSpec_InlineDef_Imported {}; |
| struct ExplicitSpec_NotImported {}; |
| |
| #define JOIN2(x, y) x##y |
| #define JOIN(x, y) JOIN2(x, y) |
| #define UNIQ(name) JOIN(name, __LINE__) |
| #define USEVARTYPE(type, var) type UNIQ(use)() { return var; } |
| #define USEVAR(var) USEVARTYPE(int, var) |
| #define USE(func) void UNIQ(use)() { func(); } |
| #define USE1(func) void UNIQ(use)() { func(nullptr); } |
| #define USEMEMFUNC(class, func) void (class::*UNIQ(use)())() { return &class::func; } |
| #define USESTATICMEMFUNC(class, func) void (*UNIQ(use)())() { return &class::func; } |
| #define USECLASS(class) void UNIQ(USE)() { class x; } |
| #define USECOPYASSIGN(class) class& (class::*UNIQ(use)())(class&) { return &class::operator=; } |
| #define USEMOVEASSIGN(class) class& (class::*UNIQ(use)())(class&&) { return &class::operator=; } |
| |
| //===----------------------------------------------------------------------===// |
| // Globals |
| //===----------------------------------------------------------------------===// |
| |
| // Import declaration. |
| // MSC-DAG: @"?ExternGlobalDecl@@3HA" = external dllimport global i32 |
| // GNU-DAG: @ExternGlobalDecl = external dllimport global i32 |
| __declspec(dllimport) extern int ExternGlobalDecl; |
| USEVAR(ExternGlobalDecl) |
| |
| // dllimport implies a declaration. |
| // MSC-DAG: @"?GlobalDecl@@3HA" = external dllimport global i32 |
| // GNU-DAG: @GlobalDecl = external dllimport global i32 |
| __declspec(dllimport) int GlobalDecl; |
| USEVAR(GlobalDecl) |
| |
| // Redeclarations |
| // MSC-DAG: @"?GlobalRedecl1@@3HA" = external dllimport global i32 |
| // GNU-DAG: @GlobalRedecl1 = external dllimport global i32 |
| __declspec(dllimport) extern int GlobalRedecl1; |
| __declspec(dllimport) extern int GlobalRedecl1; |
| USEVAR(GlobalRedecl1) |
| |
| // MSC-DAG: @"?GlobalRedecl2a@@3HA" = external dllimport global i32 |
| // GNU-DAG: @GlobalRedecl2a = external dllimport global i32 |
| __declspec(dllimport) int GlobalRedecl2a; |
| __declspec(dllimport) int GlobalRedecl2a; |
| USEVAR(GlobalRedecl2a) |
| |
| // M32-DAG: @"?GlobalRedecl2b@@3PAHA" = external dllimport global i32* |
| // M64-DAG: @"?GlobalRedecl2b@@3PEAHEA" = external dllimport global i32* |
| // GNU-DAG: @GlobalRedecl2b = external dllimport global i32* |
| int *__attribute__((dllimport)) GlobalRedecl2b; |
| int *__attribute__((dllimport)) GlobalRedecl2b; |
| USEVARTYPE(int*, GlobalRedecl2b) |
| |
| // MSC-DAG: @"?GlobalRedecl2c@@3HA" = external dllimport global i32 |
| // GNU-DAG: @GlobalRedecl2c = external dllimport global i32 |
| int GlobalRedecl2c __attribute__((dllimport)); |
| int GlobalRedecl2c __attribute__((dllimport)); |
| USEVAR(GlobalRedecl2c) |
| |
| // NB: MSC issues a warning and makes GlobalRedecl3 dllexport. We follow GCC |
| // and drop the dllimport with a warning. |
| // MSC-DAG: @"?GlobalRedecl3@@3HA" = external dso_local global i32 |
| // GNU-DAG: @GlobalRedecl3 = external global i32 |
| __declspec(dllimport) extern int GlobalRedecl3; |
| extern int GlobalRedecl3; // dllimport ignored |
| USEVAR(GlobalRedecl3) |
| |
| // MSC-DAG: @"?ExternalGlobal@ns@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_ZN2ns14ExternalGlobalE = external dllimport global i32 |
| namespace ns { __declspec(dllimport) int ExternalGlobal; } |
| USEVAR(ns::ExternalGlobal) |
| |
| int __declspec(dllimport) f(); |
| // MO1-DAG: @"?x@?1??inlineStaticLocalsFunc@@YAHXZ@4HA" = available_externally dllimport global i32 0 |
| // MO1-DAG: @"??_B?1??inlineStaticLocalsFunc@@YAHXZ@51" = available_externally dllimport global i32 0 |
| inline int __declspec(dllimport) inlineStaticLocalsFunc() { |
| static int x = f(); |
| return x++; |
| }; |
| USE(inlineStaticLocalsFunc); |
| |
| // The address of a dllimport global cannot be used in constant initialization. |
| // M32-DAG: @"?arr@?1??initializationFunc@@YAPAHXZ@4QBQAHB" = internal global [1 x i32*] zeroinitializer |
| // GNU-DAG: @_ZZ18initializationFuncvE3arr = internal global [1 x i32*] zeroinitializer |
| int *initializationFunc() { |
| static int *const arr[] = {&ExternGlobalDecl}; |
| return arr[0]; |
| } |
| USE(initializationFunc); |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Variable templates |
| //===----------------------------------------------------------------------===// |
| |
| // Import declaration. |
| // MSC-DAG: @"??$ExternVarTmplDecl@UImplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z17ExternVarTmplDeclI21ImplicitInst_ImportedE = external dllimport global i32 |
| template<typename T> __declspec(dllimport) extern int ExternVarTmplDecl; |
| USEVAR(ExternVarTmplDecl<ImplicitInst_Imported>) |
| |
| // dllimport implies a declaration. |
| // MSC-DAG: @"??$VarTmplDecl@UImplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z11VarTmplDeclI21ImplicitInst_ImportedE = external dllimport global i32 |
| template<typename T> __declspec(dllimport) int VarTmplDecl; |
| USEVAR(VarTmplDecl<ImplicitInst_Imported>) |
| |
| // Redeclarations |
| // MSC-DAG: @"??$VarTmplRedecl1@UImplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z14VarTmplRedecl1I21ImplicitInst_ImportedE = external dllimport global i32 |
| template<typename T> __declspec(dllimport) extern int VarTmplRedecl1; |
| template<typename T> __declspec(dllimport) extern int VarTmplRedecl1; |
| USEVAR(VarTmplRedecl1<ImplicitInst_Imported>) |
| |
| // MSC-DAG: @"??$VarTmplRedecl2@UImplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z14VarTmplRedecl2I21ImplicitInst_ImportedE = external dllimport global i32 |
| template<typename T> __declspec(dllimport) int VarTmplRedecl2; |
| template<typename T> __declspec(dllimport) int VarTmplRedecl2; |
| USEVAR(VarTmplRedecl2<ImplicitInst_Imported>) |
| |
| // MSC-DAG: @"??$VarTmplRedecl3@UImplicitInst_Imported@@@@3HA" = external dso_local global i32 |
| // GNU-DAG: @_Z14VarTmplRedecl3I21ImplicitInst_ImportedE = external global i32 |
| template<typename T> __declspec(dllimport) extern int VarTmplRedecl3; |
| template<typename T> extern int VarTmplRedecl3; // dllimport ignored |
| USEVAR(VarTmplRedecl3<ImplicitInst_Imported>) |
| |
| |
| // MSC-DAG: @"??$ExternalVarTmpl@UImplicitInst_Imported@@@ns@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_ZN2ns15ExternalVarTmplI21ImplicitInst_ImportedEE = external dllimport global i32 |
| namespace ns { template<typename T> __declspec(dllimport) int ExternalVarTmpl; } |
| USEVAR(ns::ExternalVarTmpl<ImplicitInst_Imported>) |
| |
| |
| template<typename T> int VarTmpl; |
| template<typename T> __declspec(dllimport) int ImportedVarTmpl; |
| |
| // Import implicit instantiation of an imported variable template. |
| // MSC-DAG: @"??$ImportedVarTmpl@UImplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z15ImportedVarTmplI21ImplicitInst_ImportedE = external dllimport global i32 |
| USEVAR(ImportedVarTmpl<ImplicitInst_Imported>) |
| |
| // Import explicit instantiation declaration of an imported variable template. |
| // MSC-DAG: @"??$ImportedVarTmpl@UExplicitDecl_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z15ImportedVarTmplI21ExplicitDecl_ImportedE = external dllimport global i32 |
| extern template int ImportedVarTmpl<ExplicitDecl_Imported>; |
| USEVAR(ImportedVarTmpl<ExplicitDecl_Imported>) |
| |
| // An explicit instantiation definition of an imported variable template cannot |
| // be imported because the template must be defined which is illegal. |
| |
| // Import specialization of an imported variable template. |
| // MSC-DAG: @"??$ImportedVarTmpl@UExplicitSpec_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z15ImportedVarTmplI21ExplicitSpec_ImportedE = external dllimport global i32 |
| template<> __declspec(dllimport) int ImportedVarTmpl<ExplicitSpec_Imported>; |
| USEVAR(ImportedVarTmpl<ExplicitSpec_Imported>) |
| |
| // Not importing specialization of an imported variable template without |
| // explicit dllimport. |
| // MSC-DAG: @"??$ImportedVarTmpl@UExplicitSpec_NotImported@@@@3HA" = dso_local global i32 0, align 4 |
| // GNU-DAG: @_Z15ImportedVarTmplI24ExplicitSpec_NotImportedE = dso_local global i32 0, align 4 |
| template<> int ImportedVarTmpl<ExplicitSpec_NotImported>; |
| USEVAR(ImportedVarTmpl<ExplicitSpec_NotImported>) |
| |
| // Import explicit instantiation declaration of a non-imported variable template. |
| // MSC-DAG: @"??$VarTmpl@UExplicitDecl_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z7VarTmplI21ExplicitDecl_ImportedE = external dllimport global i32 |
| extern template __declspec(dllimport) int VarTmpl<ExplicitDecl_Imported>; |
| USEVAR(VarTmpl<ExplicitDecl_Imported>) |
| |
| // Import explicit instantiation definition of a non-imported variable template. |
| // MSC-DAG: @"??$VarTmpl@UExplicitInst_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z7VarTmplI21ExplicitInst_ImportedE = external dllimport global i32 |
| template __declspec(dllimport) int VarTmpl<ExplicitInst_Imported>; |
| USEVAR(VarTmpl<ExplicitInst_Imported>) |
| |
| // Import specialization of a non-imported variable template. |
| // MSC-DAG: @"??$VarTmpl@UExplicitSpec_Imported@@@@3HA" = external dllimport global i32 |
| // GNU-DAG: @_Z7VarTmplI21ExplicitSpec_ImportedE = external dllimport global i32 |
| template<> __declspec(dllimport) int VarTmpl<ExplicitSpec_Imported>; |
| USEVAR(VarTmpl<ExplicitSpec_Imported>) |
| |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Functions |
| //===----------------------------------------------------------------------===// |
| |
| // GNU-DAG: declare dso_local void @_ZdlPv(i8*) |
| |
| // Import function declaration. |
| // MSC-DAG: declare dllimport void @"?decl@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z4declv() |
| __declspec(dllimport) void decl(); |
| USE(decl) |
| |
| // extern "C" |
| // MSC-DAG: declare dllimport void @externC() |
| // GNU-DAG: declare dllimport void @externC() |
| extern "C" __declspec(dllimport) void externC(); |
| USE(externC) |
| |
| // Import inline function. |
| // MSC-DAG: declare dllimport void @"?inlineFunc@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z10inlineFuncv() |
| // MO1-DAG: define available_externally dllimport void @"?inlineFunc@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z10inlineFuncv() |
| __declspec(dllimport) inline void inlineFunc() {} |
| USE(inlineFunc) |
| |
| // MSC-DAG: declare dllimport void @"?inlineDecl@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z10inlineDeclv() |
| // MO1-DAG: define available_externally dllimport void @"?inlineDecl@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z10inlineDeclv() |
| __declspec(dllimport) inline void inlineDecl(); |
| void inlineDecl() {} |
| USE(inlineDecl) |
| |
| // MSC-DAG: declare dllimport void @"?inlineDef@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z9inlineDefv() |
| // MO1-DAG: define available_externally dllimport void @"?inlineDef@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z9inlineDefv() |
| __declspec(dllimport) void inlineDef(); |
| inline void inlineDef() {} |
| USE(inlineDef) |
| |
| // inline attributes |
| // MSC-DAG: declare dllimport void @"?noinline@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z8noinlinev() |
| __declspec(dllimport) __attribute__((noinline)) inline void noinline() {} |
| USE(noinline) |
| |
| // MSC2-NOT: @"?alwaysInline@@YAXXZ"() |
| // GNU2-NOT: @_Z12alwaysInlinev() |
| __declspec(dllimport) __attribute__((always_inline)) inline void alwaysInline() {} |
| USE(alwaysInline) |
| |
| // Redeclarations |
| // MSC-DAG: declare dllimport void @"?redecl1@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z7redecl1v() |
| __declspec(dllimport) void redecl1(); |
| __declspec(dllimport) void redecl1(); |
| USE(redecl1) |
| |
| // NB: MSC issues a warning and makes redecl2/redecl3 dllexport. We follow GCC |
| // and drop the dllimport with a warning. |
| // MSC-DAG: declare dso_local void @"?redecl2@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z7redecl2v() |
| __declspec(dllimport) void redecl2(); |
| void redecl2(); |
| USE(redecl2) |
| |
| // MSC-DAG: define dso_local dllexport void @"?redecl3@@YAXXZ"() |
| // GNU-DAG: define dso_local void @_Z7redecl3v() |
| __declspec(dllimport) void redecl3(); |
| void redecl3() {} // dllimport ignored |
| USE(redecl3) |
| |
| |
| // Friend functions |
| // MSC-DAG: declare dllimport void @"?friend1@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z7friend1v() |
| // MSC-DAG: declare dso_local void @"?friend2@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z7friend2v() |
| // MSC-DAG: define dso_local dllexport void @"?friend3@@YAXXZ"() |
| // GNU-DAG: define dso_local void @_Z7friend3v() |
| // MSC-DAG: declare dso_local void @"?friend4@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z7friend4v() |
| // MSC-DAG: declare dllimport void @"?friend5@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z7friend5v() |
| |
| struct FuncFriend { |
| friend __declspec(dllimport) void friend1(); |
| friend __declspec(dllimport) void friend2(); |
| friend __declspec(dllimport) void friend3(); |
| }; |
| __declspec(dllimport) void friend1(); |
| void friend2(); // dllimport ignored |
| void friend3() {} // dllimport ignored |
| |
| __declspec(dllimport) void friend4(); |
| __declspec(dllimport) void friend5(); |
| struct FuncFriendRedecl { |
| friend void friend4(); // dllimport ignored |
| friend void ::friend5(); |
| }; |
| USE(friend1) |
| USE(friend2) |
| USE(friend3) |
| USE(friend4) |
| USE(friend5) |
| |
| // Implicit declarations can be redeclared with dllimport. |
| // MSC-DAG: declare dllimport noalias i8* @"??2@{{YAPAXI|YAPEAX_K}}@Z"( |
| // GNU-DAG: declare dllimport noalias i8* @_Znw{{[yj]}}( |
| __declspec(dllimport) void* operator new(__SIZE_TYPE__ n); |
| void UNIQ(use)() { ::operator new(42); } |
| |
| // MSC-DAG: declare dllimport void @"?externalFunc@ns@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_ZN2ns12externalFuncEv() |
| namespace ns { __declspec(dllimport) void externalFunc(); } |
| USE(ns::externalFunc) |
| |
| // A dllimport function referencing non-imported vars or functions must not be available_externally. |
| |
| __declspec(dllimport) int ImportedVar; |
| int NonImportedVar; |
| __declspec(dllimport) int ImportedFunc(); |
| int NonImportedFunc(); |
| struct ClassWithNonImportedMethod { int f(); }; |
| |
| __declspec(dllimport) inline int ReferencingImportedVar() { return ImportedVar; } |
| // MO1-DAG: define available_externally dllimport i32 @"?ReferencingImportedVar@@YAHXZ" |
| __declspec(dllimport) inline int ReferencingNonImportedVar() { return NonImportedVar; } |
| // MO1-DAG: declare dllimport i32 @"?ReferencingNonImportedVar@@YAHXZ"() |
| __declspec(dllimport) inline int ReferencingImportedFunc() { return ImportedFunc(); } |
| // MO1-DAG: define available_externally dllimport i32 @"?ReferencingImportedFunc@@YAHXZ" |
| __declspec(dllimport) inline int ReferencingNonImportedFunc() { return NonImportedFunc(); } |
| // MO1-DAG: declare dllimport i32 @"?ReferencingNonImportedFunc@@YAHXZ"() |
| __declspec(dllimport) inline int ReferencingNonImportedMethod(ClassWithNonImportedMethod *x) { return x->f(); } |
| // MO1-DAG: declare dllimport i32 @"?ReferencingNonImportedMethod |
| __declspec(dllimport) inline int ReferencingClassMemberPtr(int (ClassWithNonImportedMethod::*p)(), ClassWithNonImportedMethod *x) { return (x->*p)(); } |
| // MO1-DAG: define available_externally dllimport i32 @"?ReferencingClassMemberPtr@@YAHP8ClassWithNonImportedMethod@@AEHXZPAU1@@Z" |
| USE(ReferencingImportedVar) |
| USE(ReferencingNonImportedVar) |
| USE(ReferencingImportedFunc) |
| USE(ReferencingNonImportedFunc) |
| USE1(ReferencingNonImportedMethod) |
| void UNIQ(use)() { ReferencingClassMemberPtr(&ClassWithNonImportedMethod::f, nullptr); } |
| // References to operator new and delete count too, despite not being DeclRefExprs. |
| __declspec(dllimport) inline int *ReferencingNonImportedNew() { return new int[2]; } |
| // MO1-DAG: declare dllimport i32* @"?ReferencingNonImportedNew@@YAPAHXZ" |
| __declspec(dllimport) inline int *ReferencingNonImportedDelete() { delete (int*)nullptr; } |
| // MO1-DAG: declare dllimport i32* @"?ReferencingNonImportedDelete@@YAPAHXZ" |
| USE(ReferencingNonImportedNew) |
| USE(ReferencingNonImportedDelete) |
| __declspec(dllimport) void* operator new[](__SIZE_TYPE__); |
| __declspec(dllimport) void operator delete(void*); |
| __declspec(dllimport) inline int *ReferencingImportedNew() { return new int[2]; } |
| // MO1-DAG: define available_externally dllimport i32* @"?ReferencingImportedNew@@YAPAHXZ" |
| __declspec(dllimport) inline int *ReferencingImportedDelete() { delete (int*)nullptr; } |
| // MO1-DAG: define available_externally dllimport i32* @"?ReferencingImportedDelete@@YAPAHXZ" |
| USE(ReferencingImportedNew) |
| USE(ReferencingImportedDelete) |
| struct ClassWithDtor { ~ClassWithDtor() {} }; |
| struct __declspec(dllimport) ClassWithNonDllImportField { using X = ClassWithDtor; X t[2]; }; |
| struct __declspec(dllimport) ClassWithNonDllImportBase : public ClassWithDtor { }; |
| USECLASS(ClassWithNonDllImportField); |
| USECLASS(ClassWithNonDllImportBase); |
| // MO1-DAG: declare dllimport x86_thiscallcc void @"??1ClassWithNonDllImportBase@@QAE@XZ"(%struct.ClassWithNonDllImportBase*) |
| // MO1-DAG: declare dllimport x86_thiscallcc void @"??1ClassWithNonDllImportField@@QAE@XZ"(%struct.ClassWithNonDllImportField*) |
| struct ClassWithCtor { ClassWithCtor() {} }; |
| struct __declspec(dllimport) ClassWithNonDllImportFieldWithCtor { ClassWithCtor t; }; |
| USECLASS(ClassWithNonDllImportFieldWithCtor); |
| // MO1-DAG: declare dllimport x86_thiscallcc %struct.ClassWithNonDllImportFieldWithCtor* @"??0ClassWithNonDllImportFieldWithCtor@@QAE@XZ"(%struct.ClassWithNonDllImportFieldWithCtor* returned) |
| struct ClassWithImplicitDtor { __declspec(dllimport) ClassWithImplicitDtor(); ClassWithDtor member; }; |
| __declspec(dllimport) inline void ReferencingDtorThroughDefinition() { ClassWithImplicitDtor x; }; |
| USE(ReferencingDtorThroughDefinition) |
| // MO1-DAG: declare dllimport void @"?ReferencingDtorThroughDefinition@@YAXXZ"() |
| __declspec(dllimport) inline void ReferencingDtorThroughTemporary() { ClassWithImplicitDtor(); }; |
| USE(ReferencingDtorThroughTemporary) |
| // MO1-DAG: declare dllimport void @"?ReferencingDtorThroughTemporary@@YAXXZ"() |
| |
| // A dllimport function with a TLS variable must not be available_externally. |
| __declspec(dllimport) inline void FunctionWithTLSVar() { static __thread int x = 42; } |
| // MO1-DAG: declare dllimport void @"?FunctionWithTLSVar@@YAXXZ" |
| __declspec(dllimport) inline void FunctionWithNormalVar() { static int x = 42; } |
| // MO1-DAG: define available_externally dllimport void @"?FunctionWithNormalVar@@YAXXZ" |
| USE(FunctionWithTLSVar) |
| USE(FunctionWithNormalVar) |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Function templates |
| //===----------------------------------------------------------------------===// |
| |
| // Import function template declaration. |
| // MSC-DAG: declare dllimport void @"??$funcTmplDecl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z12funcTmplDeclI21ImplicitInst_ImportedEvv() |
| template<typename T> __declspec(dllimport) void funcTmplDecl(); |
| USE(funcTmplDecl<ImplicitInst_Imported>) |
| |
| // Function template definitions cannot be imported. |
| |
| // Import inline function template. |
| // MSC-DAG: declare dllimport void @"??$inlineFuncTmpl1@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z15inlineFuncTmpl1I21ImplicitInst_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$inlineFuncTmpl1@UImplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z15inlineFuncTmpl1I21ImplicitInst_ImportedEvv() |
| template<typename T> __declspec(dllimport) inline void inlineFuncTmpl1() {} |
| USE(inlineFuncTmpl1<ImplicitInst_Imported>) |
| |
| // MSC-DAG: declare dllimport void @"??$inlineFuncTmpl2@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z15inlineFuncTmpl2I21ImplicitInst_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$inlineFuncTmpl2@UImplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z15inlineFuncTmpl2I21ImplicitInst_ImportedEvv() |
| template<typename T> inline void __attribute__((dllimport)) inlineFuncTmpl2() {} |
| USE(inlineFuncTmpl2<ImplicitInst_Imported>) |
| |
| // MSC-DAG: define linkonce_odr dso_local void @"??$inlineFuncTmplDecl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z18inlineFuncTmplDeclI21ImplicitInst_ImportedEvv() |
| // MO1-DAG: define linkonce_odr dso_local void @"??$inlineFuncTmplDecl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z18inlineFuncTmplDeclI21ImplicitInst_ImportedEvv() |
| template<typename T> __declspec(dllimport) inline void inlineFuncTmplDecl(); |
| template<typename T> void inlineFuncTmplDecl() {} |
| USE(inlineFuncTmplDecl<ImplicitInst_Imported>) |
| |
| // MSC-DAG: define linkonce_odr dso_local void @"??$inlineFuncTmplDef@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z17inlineFuncTmplDefI21ImplicitInst_ImportedEvv() |
| // MO1-DAG: define linkonce_odr dso_local void @"??$inlineFuncTmplDef@UImplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z17inlineFuncTmplDefI21ImplicitInst_ImportedEvv() |
| template<typename T> __declspec(dllimport) void inlineFuncTmplDef(); |
| template<typename T> inline void inlineFuncTmplDef() {} |
| USE(inlineFuncTmplDef<ImplicitInst_Imported>) |
| |
| |
| // Redeclarations |
| // MSC-DAG: declare dllimport void @"??$funcTmplRedecl1@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z15funcTmplRedecl1I21ImplicitInst_ImportedEvv() |
| template<typename T> __declspec(dllimport) void funcTmplRedecl1(); |
| template<typename T> __declspec(dllimport) void funcTmplRedecl1(); |
| USE(funcTmplRedecl1<ImplicitInst_Imported>) |
| |
| // MSC-DAG: declare dso_local void @"??$funcTmplRedecl2@UImplicitInst_NotImported@@@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z15funcTmplRedecl2I24ImplicitInst_NotImportedEvv() |
| template<typename T> __declspec(dllimport) void funcTmplRedecl2(); |
| template<typename T> void funcTmplRedecl2(); // dllimport ignored |
| USE(funcTmplRedecl2<ImplicitInst_NotImported>) |
| |
| // MSC-DAG: define linkonce_odr dso_local void @"??$funcTmplRedecl3@UImplicitInst_NotImported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z15funcTmplRedecl3I24ImplicitInst_NotImportedEvv() |
| template<typename T> __declspec(dllimport) void funcTmplRedecl3(); |
| template<typename T> void funcTmplRedecl3() {} // dllimport ignored |
| USE(funcTmplRedecl3<ImplicitInst_NotImported>) |
| |
| |
| // Function template friends |
| // MSC-DAG: declare dllimport void @"??$funcTmplFriend1@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z15funcTmplFriend1I21ImplicitInst_ImportedEvv() |
| // MSC-DAG: declare dso_local void @"??$funcTmplFriend2@UImplicitInst_NotImported@@@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z15funcTmplFriend2I24ImplicitInst_NotImportedEvv() |
| // MSC-DAG: define linkonce_odr dso_local void @"??$funcTmplFriend3@UImplicitInst_NotImported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z15funcTmplFriend3I24ImplicitInst_NotImportedEvv() |
| // MSC-DAG: define linkonce_odr dso_local void @"??$funcTmplFriend4@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z15funcTmplFriend4I21ImplicitInst_ImportedEvv() |
| struct FuncTmplFriend { |
| template<typename T> friend __declspec(dllimport) void funcTmplFriend1(); |
| template<typename T> friend __declspec(dllimport) void funcTmplFriend2(); |
| template<typename T> friend __declspec(dllimport) void funcTmplFriend3(); |
| template<typename T> friend __declspec(dllimport) inline void funcTmplFriend4(); |
| }; |
| template<typename T> __declspec(dllimport) void funcTmplFriend1(); |
| template<typename T> void funcTmplFriend2(); // dllimport ignored |
| template<typename T> void funcTmplFriend3() {} // dllimport ignored |
| template<typename T> inline void funcTmplFriend4() {} |
| USE(funcTmplFriend1<ImplicitInst_Imported>) |
| USE(funcTmplFriend2<ImplicitInst_NotImported>) |
| USE(funcTmplFriend3<ImplicitInst_NotImported>) |
| USE(funcTmplFriend4<ImplicitInst_Imported>) |
| |
| // MSC-DAG: declare dllimport void @"??$externalFuncTmpl@UImplicitInst_Imported@@@ns@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_ZN2ns16externalFuncTmplI21ImplicitInst_ImportedEEvv() |
| namespace ns { template<typename T> __declspec(dllimport) void externalFuncTmpl(); } |
| USE(ns::externalFuncTmpl<ImplicitInst_Imported>) |
| |
| |
| template<typename T> void funcTmpl() {} |
| template<typename T> inline void inlineFuncTmpl() {} |
| template<typename T> __declspec(dllimport) void importedFuncTmplDecl(); |
| template<typename T> __declspec(dllimport) inline void importedFuncTmpl() {} |
| |
| // Import implicit instantiation of an imported function template. |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmplDecl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z20importedFuncTmplDeclI21ImplicitInst_ImportedEvv() |
| USE(importedFuncTmplDecl<ImplicitInst_Imported>) |
| |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmpl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z16importedFuncTmplI21ImplicitInst_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$importedFuncTmpl@UImplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z16importedFuncTmplI21ImplicitInst_ImportedEvv() |
| USE(importedFuncTmpl<ImplicitInst_Imported>) |
| |
| // Import explicit instantiation declaration of an imported function template. |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmpl@UExplicitDecl_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dso_local void @_Z16importedFuncTmplI21ExplicitDecl_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$importedFuncTmpl@UExplicitDecl_Imported@@@@YAXXZ"() |
| // GO1-DAG: define available_externally dso_local void @_Z16importedFuncTmplI21ExplicitDecl_ImportedEvv() |
| extern template void importedFuncTmpl<ExplicitDecl_Imported>(); |
| USE(importedFuncTmpl<ExplicitDecl_Imported>) |
| |
| // Import explicit instantiation definition of an imported function template. |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: define weak_odr dso_local void @_Z16importedFuncTmplI21ExplicitInst_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$importedFuncTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define weak_odr dso_local void @_Z16importedFuncTmplI21ExplicitInst_ImportedEvv() |
| template void importedFuncTmpl<ExplicitInst_Imported>(); |
| USE(importedFuncTmpl<ExplicitInst_Imported>) |
| |
| |
| // Import specialization of an imported function template. |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmplDecl@UExplicitSpec_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z20importedFuncTmplDeclI21ExplicitSpec_ImportedEvv() |
| template<> __declspec(dllimport) void importedFuncTmplDecl<ExplicitSpec_Imported>(); |
| USE(importedFuncTmplDecl<ExplicitSpec_Imported>) |
| |
| // MSC-DAG-FIXME: declare dllimport void @"??$importedFuncTmplDecl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| // MO1-DAG-FIXME: define available_externally dllimport void @"??$importedFuncTmplDecl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| #ifdef MSABI |
| //template<> __declspec(dllimport) void importedFuncTmplDecl<ExplicitSpec_Def_Imported>() {} |
| //USE(importedFuncTmplDecl<ExplicitSpec_Def_Imported>) |
| #endif |
| |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmplDecl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z20importedFuncTmplDeclI31ExplicitSpec_InlineDef_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$importedFuncTmplDecl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z20importedFuncTmplDeclI31ExplicitSpec_InlineDef_ImportedEvv() |
| template<> __declspec(dllimport) inline void importedFuncTmplDecl<ExplicitSpec_InlineDef_Imported>() {} |
| USE(importedFuncTmplDecl<ExplicitSpec_InlineDef_Imported>) |
| |
| |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmpl@UExplicitSpec_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z16importedFuncTmplI21ExplicitSpec_ImportedEvv() |
| template<> __declspec(dllimport) void importedFuncTmpl<ExplicitSpec_Imported>(); |
| USE(importedFuncTmpl<ExplicitSpec_Imported>) |
| |
| // MSC-DAG-FIXME: declare dllimport void @"??$importedFuncTmpl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| // MO1-DAG-FIXME: define available_externally dllimport void @"??$importedFuncTmpl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| #ifdef MSABI |
| //template<> __declspec(dllimport) void importedFuncTmpl<ExplicitSpec_Def_Imported>() {} |
| //USE(importedFuncTmpl<ExplicitSpec_Def_Imported>) |
| #endif |
| |
| // MSC-DAG: declare dllimport void @"??$importedFuncTmpl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z16importedFuncTmplI31ExplicitSpec_InlineDef_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$importedFuncTmpl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z16importedFuncTmplI31ExplicitSpec_InlineDef_ImportedEvv() |
| template<> __declspec(dllimport) inline void importedFuncTmpl<ExplicitSpec_InlineDef_Imported>() {} |
| USE(importedFuncTmpl<ExplicitSpec_InlineDef_Imported>) |
| |
| |
| // Not importing specialization of an imported function template without |
| // explicit dllimport. |
| // MSC-DAG: define dso_local void @"??$importedFuncTmpl@UExplicitSpec_NotImported@@@@YAXXZ"() |
| // GNU-DAG: define dso_local void @_Z16importedFuncTmplI24ExplicitSpec_NotImportedEvv() |
| template<> void importedFuncTmpl<ExplicitSpec_NotImported>() {} |
| USE(importedFuncTmpl<ExplicitSpec_NotImported>) |
| |
| |
| // Import explicit instantiation declaration of a non-imported function template. |
| // MSC-DAG: declare dllimport void @"??$funcTmpl@UExplicitDecl_Imported@@@@YAXXZ"() |
| // MSC-DAG: declare dllimport void @"??$inlineFuncTmpl@UExplicitDecl_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z8funcTmplI21ExplicitDecl_ImportedEvv() |
| // GNU-DAG: declare dso_local void @_Z14inlineFuncTmplI21ExplicitDecl_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$inlineFuncTmpl@UExplicitDecl_Imported@@@@YAXXZ"() |
| // GO1-DAG: define available_externally dso_local void @_Z14inlineFuncTmplI21ExplicitDecl_ImportedEvv() |
| extern template __declspec(dllimport) void funcTmpl<ExplicitDecl_Imported>(); |
| extern template __declspec(dllimport) void inlineFuncTmpl<ExplicitDecl_Imported>(); |
| USE(funcTmpl<ExplicitDecl_Imported>) |
| USE(inlineFuncTmpl<ExplicitDecl_Imported>) |
| |
| |
| // Import explicit instantiation definition of a non-imported function template. |
| // MSC-DAG: declare dllimport void @"??$funcTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // MSC-DAG: declare dllimport void @"??$inlineFuncTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z8funcTmplI21ExplicitInst_ImportedEvv() |
| // GNU-DAG: define weak_odr dso_local void @_Z14inlineFuncTmplI21ExplicitInst_ImportedEvv() |
| // MO1-DAG: declare dllimport void @"??$funcTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // MO1-DAG: define available_externally dllimport void @"??$inlineFuncTmpl@UExplicitInst_Imported@@@@YAXXZ"() |
| // GO1-DAG: define available_externally dllimport void @_Z8funcTmplI21ExplicitInst_ImportedEvv() |
| // GO1-DAG: define weak_odr dso_local void @_Z14inlineFuncTmplI21ExplicitInst_ImportedEvv() |
| template __declspec(dllimport) void funcTmpl<ExplicitInst_Imported>(); |
| template __declspec(dllimport) void inlineFuncTmpl<ExplicitInst_Imported>(); |
| USE(funcTmpl<ExplicitInst_Imported>) |
| USE(inlineFuncTmpl<ExplicitInst_Imported>) |
| |
| |
| // Import specialization of a non-imported function template. |
| // MSC-DAG: declare dllimport void @"??$funcTmpl@UExplicitSpec_Imported@@@@YAXXZ"() |
| // GNU-DAG: declare dllimport void @_Z8funcTmplI21ExplicitSpec_ImportedEvv() |
| template<> __declspec(dllimport) void funcTmpl<ExplicitSpec_Imported>(); |
| USE(funcTmpl<ExplicitSpec_Imported>) |
| |
| // MSC-DAG-FIXME: declare dllimport void @"??$funcTmpl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| // MO1-DAG-FIXME: define available_externally dllimport void @"??$funcTmpl@UExplicitSpec_Def_Imported@@@@YAXXZ"() |
| #ifdef MSABI |
| //template<> __declspec(dllimport) void funcTmpl<ExplicitSpec_Def_Imported>() {} |
| //USE(funcTmpl<ExplicitSpec_Def_Imported>) |
| #endif |
| |
| // MSC-DAG: declare dllimport void @"??$funcTmpl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GNU-DAG: define linkonce_odr dso_local void @_Z8funcTmplI31ExplicitSpec_InlineDef_ImportedEvv() |
| // MO1-DAG: define available_externally dllimport void @"??$funcTmpl@UExplicitSpec_InlineDef_Imported@@@@YAXXZ"() |
| // GO1-DAG: define linkonce_odr dso_local void @_Z8funcTmplI31ExplicitSpec_InlineDef_ImportedEvv() |
| template<> __declspec(dllimport) inline void funcTmpl<ExplicitSpec_InlineDef_Imported>() {} |
| USE(funcTmpl<ExplicitSpec_InlineDef_Imported>) |
| |
| #ifdef MSABI |
| namespace pr35435 { |
| struct X; |
| template <typename T> struct __declspec(dllimport) S { |
| void foo(T *t) { t->problem(); } |
| }; |
| template void S<X>::foo(X*); // Cannot be instantiated because X is incomplete; dllimport means it's treated as an instantiation decl. |
| } |
| #endif |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Classes |
| //===----------------------------------------------------------------------===// |
| |
| struct __declspec(dllimport) T { |
| void a() {} |
| // MO1-DAG: define available_externally dllimport x86_thiscallcc void @"?a@T@@QAEXXZ" |
| |
| static void StaticMethod(); |
| // MSC-DAG: declare dllimport void @"?StaticMethod@T@@SAXXZ"() |
| // GNU-DAG: declare dllimport void @_ZN1T12StaticMethodEv() |
| |
| static int b; |
| // MO1-DAG: @"?b@T@@2HA" = external dllimport global i32 |
| |
| T& operator=(T&) = default; |
| // MO1-DAG: define available_externally dllimport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.T* @"??4T@@QAEAAU0@AAU0@@Z" |
| |
| T& operator=(T&&) = default; |
| // Note: Don't mark inline move operators dllimport because current MSVC versions don't export them. |
| // M18-DAG: define linkonce_odr dso_local x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.T* @"??4T@@QAEAAU0@$$QAU0@@Z" |
| // M19-DAG: define available_externally dllimport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.T* @"??4T@@QAEAAU0@$$QAU0@@Z" |
| }; |
| USEMEMFUNC(T, a) |
| USESTATICMEMFUNC(T, StaticMethod) |
| USEVAR(T::b) |
| USECOPYASSIGN(T) |
| USEMOVEASSIGN(T) |
| |
| template <typename T> struct __declspec(dllimport) U { void foo() {} }; |
| // MO1-DAG: define available_externally dllimport x86_thiscallcc void @"?foo@?$U@H@@QAEXXZ" |
| struct __declspec(dllimport) V : public U<int> { }; |
| USEMEMFUNC(V, foo) |
| |
| struct __declspec(dllimport) W { virtual void foo() {} }; |
| USECLASS(W) |
| // vftable: |
| // MO1-DAG: @"??_SW@@6B@" = linkonce_odr unnamed_addr constant { [1 x i8*] } { [1 x i8*] [i8* bitcast (void (%struct.W*)* @"?foo@W@@UAEXXZ" to i8*)] } |
| // GO1-DAG: @_ZTV1W = available_externally dllimport unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.W*)* @_ZN1W3fooEv to i8*)] } |
| |
| struct __declspec(dllimport) KeyFuncClass { |
| constexpr KeyFuncClass() {} |
| virtual void foo(); |
| }; |
| extern constexpr KeyFuncClass keyFuncClassVar = {}; |
| // G32-DAG: @_ZTV12KeyFuncClass = external dllimport unnamed_addr constant { [3 x i8*] } |
| |
| struct __declspec(dllimport) X : public virtual W {}; |
| USECLASS(X) |
| // vbtable: |
| // MO1-DAG: @"??_8X@@7B@" = available_externally dllimport unnamed_addr constant [2 x i32] [i32 0, i32 4] |
| |
| struct __declspec(dllimport) Y { |
| int x; |
| }; |
| |
| struct __declspec(dllimport) Z { virtual ~Z() {} }; |
| USECLASS(Z) |
| // User-defined dtor: |
| // MO1-DAG: define available_externally dllimport x86_thiscallcc void @"??1Z@@UAE@XZ" |
| |
| namespace DontUseDtorAlias { |
| struct __declspec(dllimport) A { ~A(); }; |
| struct __declspec(dllimport) B : A { ~B(); }; |
| inline A::~A() { } |
| inline B::~B() { } |
| // Emit a real definition of B's constructor; don't alias it to A's. |
| // MO1-DAG: available_externally dllimport x86_thiscallcc void @"??1B@DontUseDtorAlias@@QAE@XZ" |
| USECLASS(B) |
| } |
| |
| namespace Vtordisp { |
| // Don't dllimport the vtordisp. |
| // MO1-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?f@?$C@H@Vtordisp@@$4PPPPPPPM@A@AEXXZ" |
| |
| class __declspec(dllimport) Base { |
| virtual void f() {} |
| }; |
| template <typename T> |
| class __declspec(dllimport) C : virtual public Base { |
| public: |
| C() {} |
| virtual void f() {} |
| }; |
| USECLASS(C<int>); |
| } |
| |
| namespace ClassTemplateStaticDef { |
| // Regular template static field: |
| template <typename T> struct __declspec(dllimport) S { |
| static int x; |
| }; |
| template <typename T> int S<T>::x; |
| // MSC-DAG: @"?x@?$S@H@ClassTemplateStaticDef@@2HA" = external dllimport global i32 |
| int f() { return S<int>::x; } |
| |
| // Partial class template specialization static field: |
| template <typename A> struct T; |
| template <typename A> struct __declspec(dllimport) T<A*> { |
| static int x; |
| }; |
| template <typename A> int T<A*>::x; |
| // GNU-DAG: @_ZN22ClassTemplateStaticDef1TIPvE1xE = external dllimport global i32 |
| int g() { return T<void*>::x; } |
| } |
| |
| namespace PR19933 { |
| // Don't dynamically initialize dllimport vars. |
| // MSC2-NOT: @llvm.global_ctors |
| // GNU2-NOT: @llvm.global_ctors |
| |
| struct NonPOD { NonPOD(); }; |
| template <typename T> struct A { static NonPOD x; }; |
| template <typename T> NonPOD A<T>::x; |
| template struct __declspec(dllimport) A<int>; |
| USEVARTYPE(NonPOD, A<int>::x); |
| // MSC-DAG: @"?x@?$A@H@PR19933@@2UNonPOD@2@A" = external dllimport global %"struct.PR19933::NonPOD" |
| |
| int f(); |
| template <typename T> struct B { static int x; }; |
| template <typename T> int B<T>::x = f(); |
| template struct __declspec(dllimport) B<int>; |
| USEVAR(B<int>::x); |
| // MSC-DAG: @"?x@?$B@H@PR19933@@2HA" = external dllimport global i32 |
| |
| constexpr int g() { return 42; } |
| template <typename T> struct C { static int x; }; |
| template <typename T> int C<T>::x = g(); |
| template struct __declspec(dllimport) C<int>; |
| USEVAR(C<int>::x); |
| // MSC-DAG: @"?x@?$C@H@PR19933@@2HA" = external dllimport global i32 |
| |
| template <int I> struct D { static int x, y; }; |
| template <int I> int D<I>::x = I + 1; |
| template <int I> int D<I>::y = I + f(); |
| template struct __declspec(dllimport) D<42>; |
| USEVAR(D<42>::x); |
| USEVAR(D<42>::y); |
| // MSC-DAG: @"?x@?$D@$0CK@@PR19933@@2HA" = external dllimport global i32 |
| // MSC-DAG: @"?y@?$D@$0CK@@PR19933@@2HA" = external dllimport global i32 |
| } |
| |
| namespace PR21355 { |
| struct __declspec(dllimport) S { |
| virtual ~S(); |
| }; |
| S::~S() {} |
| |
| // S::~S is a key function, so we would ordinarily emit a strong definition for |
| // the vtable. However, S is imported, so the vtable should be too. |
| |
| // GNU-DAG: @_ZTVN7PR213551SE = available_externally dllimport unnamed_addr constant { [4 x i8*] } |
| } |
| |
| namespace PR21366 { |
| struct __declspec(dllimport) S { |
| void outOfLineMethod(); |
| void inlineMethod() {} |
| inline void anotherInlineMethod(); |
| void outOfClassInlineMethod(); |
| }; |
| void S::anotherInlineMethod() {} |
| inline void S::outOfClassInlineMethod() {} |
| } |
| |
| namespace PR27319 { |
| // Make sure we don't assert due to not having checked for operator delete on |
| // the destructor. |
| template <typename> struct A { |
| virtual ~A() = default; |
| }; |
| extern template struct __declspec(dllimport) A<int>; |
| void f() { new A<int>(); } |
| // MO1-DAG: @"??_S?$A@H@PR27319@@6B@" = linkonce_odr unnamed_addr constant { [1 x i8*] } |
| } |
| |
| // MS ignores DLL attributes on partial specializations. |
| template <typename T> struct PartiallySpecializedClassTemplate {}; |
| template <typename T> struct __declspec(dllimport) PartiallySpecializedClassTemplate<T*> { void f(); }; |
| USEMEMFUNC(PartiallySpecializedClassTemplate<void*>, f); |
| // M32-DAG: declare dso_local x86_thiscallcc void @"?f@?$PartiallySpecializedClassTemplate@PAX@@QAEXXZ" |
| // G32-DAG: declare dllimport x86_thiscallcc void @_ZN33PartiallySpecializedClassTemplateIPvE1fEv |
| |
| // Attributes on explicit specializations are honored. |
| template <typename T> struct ExplicitlySpecializedClassTemplate {}; |
| template <> struct __declspec(dllimport) ExplicitlySpecializedClassTemplate<void*> { void f(); }; |
| USEMEMFUNC(ExplicitlySpecializedClassTemplate<void*>, f); |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?f@?$ExplicitlySpecializedClassTemplate@PAX@@QAEXXZ" |
| // G32-DAG: declare dllimport x86_thiscallcc void @_ZN34ExplicitlySpecializedClassTemplateIPvE1fEv |
| |
| // MS inherits DLL attributes to partial specializations. |
| template <typename T> struct __declspec(dllimport) PartiallySpecializedImportedClassTemplate {}; |
| template <typename T> struct PartiallySpecializedImportedClassTemplate<T*> { void f() {} }; |
| USEMEMFUNC(PartiallySpecializedImportedClassTemplate<void*>, f); |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?f@?$PartiallySpecializedImportedClassTemplate@PAX@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN41PartiallySpecializedImportedClassTemplateIPvE1fEv |
| |
| // Attributes on the instantiation take precedence over attributes on the template. |
| template <typename T> struct __declspec(dllexport) ExplicitlyInstantiatedWithDifferentAttr { void f() {} }; |
| template struct __declspec(dllimport) ExplicitlyInstantiatedWithDifferentAttr<int>; |
| USEMEMFUNC(ExplicitlyInstantiatedWithDifferentAttr<int>, f); |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?f@?$ExplicitlyInstantiatedWithDifferentAttr@H@@QAEXXZ" |
| |
| template <typename T> struct ExplicitInstantiationDeclImportedDefTemplate { void f() {} ExplicitInstantiationDeclImportedDefTemplate() {}}; |
| extern template struct ExplicitInstantiationDeclImportedDefTemplate<int>; |
| template struct __declspec(dllimport) ExplicitInstantiationDeclImportedDefTemplate<int>; |
| USECLASS(ExplicitInstantiationDeclImportedDefTemplate<int>); |
| USEMEMFUNC(ExplicitInstantiationDeclImportedDefTemplate<int>, f); |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclImportedDefTemplate@H@@QAEXXZ" |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc %struct.ExplicitInstantiationDeclImportedDefTemplate* @"??0?$ExplicitInstantiationDeclImportedDefTemplate@H@@QAE@XZ" |
| // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN44ExplicitInstantiationDeclImportedDefTemplateIiE1fEv |
| |
| template <typename T> struct __declspec(dllimport) ExplicitInstantiationDeclExportedDefImportedTemplate { void f() {} ExplicitInstantiationDeclExportedDefImportedTemplate() {} }; |
| extern template struct __declspec(dllimport) ExplicitInstantiationDeclExportedDefImportedTemplate <int>; |
| template struct __declspec(dllexport) ExplicitInstantiationDeclExportedDefImportedTemplate<int>; |
| USECLASS(ExplicitInstantiationDeclExportedDefImportedTemplate<int>); |
| USEMEMFUNC(ExplicitInstantiationDeclExportedDefImportedTemplate<int>, f); |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?f@?$ExplicitInstantiationDeclExportedDefImportedTemplate@H@@QAEXXZ" |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc %struct.ExplicitInstantiationDeclExportedDefImportedTemplate* @"??0?$ExplicitInstantiationDeclExportedDefImportedTemplate@H@@QAE@XZ" |
| |
| template <typename T> struct PR23770BaseTemplate { void f() {} }; |
| template <typename T> struct PR23770DerivedTemplate : PR23770BaseTemplate<int> {}; |
| extern template struct PR23770DerivedTemplate<int>; |
| template struct __declspec(dllimport) PR23770DerivedTemplate<int>; |
| USEMEMFUNC(PR23770BaseTemplate<int>, f); |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?f@?$PR23770BaseTemplate@H@@QAEXXZ" |
| |
| namespace PR27810 { |
| template <class T> |
| struct basic_ostream { |
| struct sentry { |
| sentry() { } |
| void foo() { } |
| }; |
| }; |
| template class __declspec(dllimport) basic_ostream<char>; |
| // The explicit instantiation definition acts as an explicit instantiation |
| // *declaration*, dllimport is not inherited by the inner class, and no |
| // functions are emitted unless they are used. |
| |
| USEMEMFUNC(basic_ostream<char>::sentry, foo); |
| // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?foo@sentry@?$basic_ostream@D@PR27810@@QAEXXZ" |
| // M32-NOT: ??0sentry@?$basic_ostream@D@PR27810@@QAE@XZ |
| } |
| |
| namespace PR27811 { |
| template <class T> struct codecvt { |
| virtual ~codecvt() { } |
| }; |
| template class __declspec(dllimport) codecvt<char>; |
| |
| // dllimport means this explicit instantiation definition gets treated as a |
| // declaration. Thus, the vtable should not be marked used, and in fact |
| // nothing for this class should be emitted at all since it's not used. |
| // M32-NOT: codecvt |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Classes with template base classes |
| //===----------------------------------------------------------------------===// |
| |
| template <typename T> struct ClassTemplate { void 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> struct ExplicitlySpecializedTemplate { void func() {} }; |
| template <> struct ExplicitlySpecializedTemplate<int> { void 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 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 imported. |
| struct __declspec(dllimport) DerivedFromTemplate : public ClassTemplate<int> {}; |
| USEMEMFUNC(ClassTemplate<int>, func) |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$ClassTemplate@H@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIiE4funcEv |
| |
| // ImportedTemplate is explicitly imported. |
| struct __declspec(dllimport) DerivedFromImportedTemplate : public ImportedClassTemplate<int> {}; |
| USEMEMFUNC(ImportedClassTemplate<int>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ImportedClassTemplate@H@@QAEXXZ" |
| // G32-DAG: declare dllimport x86_thiscallcc void @_ZN21ImportedClassTemplateIiE4funcEv |
| |
| // ExportedTemplate is explicitly exported. |
| struct __declspec(dllimport) DerivedFromExportedTemplate : public ExportedClassTemplate<int> {}; |
| USEMEMFUNC(ExportedClassTemplate<int>, func) |
| // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExportedClassTemplate@H@@QAEXXZ" |
| // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN21ExportedClassTemplateIiE4funcEv |
| |
| // Base class already implicitly instantiated without attribute. |
| struct DerivedFromTemplateD : public ClassTemplate<double> {}; |
| struct __declspec(dllimport) DerivedFromTemplateD2 : public ClassTemplate<double> {}; |
| USEMEMFUNC(ClassTemplate<double>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ClassTemplate@N@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIdE4funcEv |
| |
| // MS: Base class already instantiated with dfferent attribute. |
| struct __declspec(dllexport) DerivedFromTemplateB : public ClassTemplate<bool> {}; |
| struct __declspec(dllimport) DerivedFromTemplateB2 : public ClassTemplate<bool> {}; |
| USEMEMFUNC(ClassTemplate<bool>, func) |
| // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ClassTemplate@_N@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN13ClassTemplateIbE4funcEv |
| |
| // Base class already specialized without dll attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlySpecializedTemplate : public ExplicitlySpecializedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlySpecializedTemplate<int>, func) |
| // M32-DAG: define linkonce_odr dso_local x86_thiscallcc void @"?func@?$ExplicitlySpecializedTemplate@H@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN29ExplicitlySpecializedTemplateIiE4funcEv |
| |
| // Base class alredy specialized with export attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlyExportSpecializedTemplate : public ExplicitlyExportSpecializedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlyExportSpecializedTemplate<int>, func) |
| // M32-DAG: define dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportSpecializedTemplate@H@@QAEXXZ" |
| // G32-DAG: define dso_local dllexport x86_thiscallcc void @_ZN35ExplicitlyExportSpecializedTemplateIiE4funcEv |
| |
| // Base class already specialized with import attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlyImportSpecializedTemplate : public ExplicitlyImportSpecializedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlyImportSpecializedTemplate<int>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportSpecializedTemplate@H@@QAEXXZ" |
| // G32-DAG: declare dllimport x86_thiscallcc void @_ZN35ExplicitlyImportSpecializedTemplateIiE4funcEv |
| |
| // Base class already instantiated without dll attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlyInstantiatedTemplate : public ExplicitlyInstantiatedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlyInstantiatedTemplate<int>, func) |
| // M32-DAG: define weak_odr dso_local x86_thiscallcc void @"?func@?$ExplicitlyInstantiatedTemplate@H@@QAEXXZ" |
| // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN30ExplicitlyInstantiatedTemplateIiE4funcEv |
| |
| // Base class already instantiated with export attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlyExportInstantiatedTemplate : public ExplicitlyExportInstantiatedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlyExportInstantiatedTemplate<int>, func) |
| // M32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @"?func@?$ExplicitlyExportInstantiatedTemplate@H@@QAEXXZ" |
| // G32-DAG: define weak_odr dso_local dllexport x86_thiscallcc void @_ZN36ExplicitlyExportInstantiatedTemplateIiE4funcEv |
| |
| // Base class already instantiated with import attribute. |
| struct __declspec(dllimport) DerivedFromExplicitlyImportInstantiatedTemplate : public ExplicitlyImportInstantiatedTemplate<int> {}; |
| USEMEMFUNC(ExplicitlyImportInstantiatedTemplate<int>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitlyImportInstantiatedTemplate@H@@QAEXXZ" |
| // G32-DAG: declare dllimport x86_thiscallcc void @_ZN36ExplicitlyImportInstantiatedTemplateIiE4funcEv |
| |
| // MS: A dll attribute propagates through multiple levels of instantiation. |
| template <typename T> struct TopClass { void func() {} }; |
| template <typename T> struct MiddleClass : public TopClass<T> { }; |
| struct __declspec(dllimport) BottomClass : public MiddleClass<int> { }; |
| USEMEMFUNC(TopClass<int>, func) |
| // M32-DAG: {{declare|define available_externally}} dllimport x86_thiscallcc void @"?func@?$TopClass@H@@QAEXXZ" |
| // G32-DAG: define linkonce_odr dso_local x86_thiscallcc void @_ZN8TopClassIiE4funcEv |
| |
| template <typename T> struct ExplicitInstantiationDeclTemplateBase { void func() {} }; |
| extern template struct ExplicitInstantiationDeclTemplateBase<int>; |
| struct __declspec(dllimport) DerivedFromExplicitInstantiationDeclTemplateBase : public ExplicitInstantiationDeclTemplateBase<int> {}; |
| template struct ExplicitInstantiationDeclTemplateBase<int>; |
| USEMEMFUNC(ExplicitInstantiationDeclTemplateBase<int>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitInstantiationDeclTemplateBase@H@@QAEXXZ" |
| // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN37ExplicitInstantiationDeclTemplateBaseIiE4funcEv |
| |
| template <typename T> struct ExplicitInstantiationDeclTemplateBase2 { void func() {} }; |
| extern template struct ExplicitInstantiationDeclTemplateBase2<int>; |
| struct __declspec(dllimport) DerivedFromExplicitInstantiationDeclTemplateBase2 : public ExplicitInstantiationDeclTemplateBase2<int> {}; |
| template struct __declspec(dllexport) ExplicitInstantiationDeclTemplateBase2<int>; |
| USEMEMFUNC(ExplicitInstantiationDeclTemplateBase2<int>, func) |
| // M32-DAG: declare dllimport x86_thiscallcc void @"?func@?$ExplicitInstantiationDeclTemplateBase2@H@@QAEXXZ" |
| // G32-DAG: define weak_odr dso_local x86_thiscallcc void @_ZN38ExplicitInstantiationDeclTemplateBase2IiE4funcEv |
| |
| namespace pr39496 { |
| // Make sure dll attribute are inherited by static locals also in template |
| // specializations. |
| template <typename> struct __declspec(dllimport) S { int foo() { static int x; return x++; } }; |
| int foo() { S<int> s; return s.foo(); } |
| // MO1-DAG: @"?x@?{{1|2}}??foo@?$S@H@pr39496@@Q{{[A-Z]*}}HXZ@4HA" = available_externally dllimport global i32 0, align 4 |
| |
| template <typename> struct T { int foo() { static int x; return x++; } }; |
| extern template struct __declspec(dllimport) T<int>; |
| int bar() { T<int> t; return t.foo(); } |
| // MO1-DAG: @"?x@?{{1|2}}??foo@?$T@H@pr39496@@Q{{[A-Z]*}}HXZ@4HA" = available_externally dllimport global i32 0, align 4 |
| |
| template <typename T> struct __declspec(dllimport) U { |
| void foo() { |
| // Don't inherit dllimport to src before attaching the initializer. |
| static constexpr char src[] = {"hello"}; |
| T arr[sizeof(src)]; |
| } |
| }; |
| void baz() { U<int> u; u.foo(); } // No diagnostic. |
| |
| } |