diff options
Diffstat (limited to 'test/CodeGenCXX/dllimport.cpp')
| -rw-r--r-- | test/CodeGenCXX/dllimport.cpp | 76 |
1 files changed, 64 insertions, 12 deletions
diff --git a/test/CodeGenCXX/dllimport.cpp b/test/CodeGenCXX/dllimport.cpp index b9c850b8b87b..aff240f28769 100644 --- a/test/CodeGenCXX/dllimport.cpp +++ b/test/CodeGenCXX/dllimport.cpp @@ -27,6 +27,7 @@ struct ExplicitSpec_NotImported {}; #define USEVAR(var) USEVARTYPE(int, var) #define USE(func) void UNIQ(use)() { func(); } #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=; } @@ -263,7 +264,7 @@ __declspec(dllimport) void redecl2(); void redecl2(); USE(redecl2) -// MSC-DAG: define void @"\01?redecl3@@YAXXZ"() +// MSC-DAG: define dllexport void @"\01?redecl3@@YAXXZ"() // GNU-DAG: define void @_Z7redecl3v() __declspec(dllimport) void redecl3(); void redecl3() {} // dllimport ignored @@ -275,7 +276,7 @@ USE(redecl3) // GNU-DAG: declare dllimport void @_Z7friend1v() // MSC-DAG: declare void @"\01?friend2@@YAXXZ"() // GNU-DAG: declare void @_Z7friend2v() -// MSC-DAG: define void @"\01?friend3@@YAXXZ"() +// MSC-DAG: define dllexport void @"\01?friend3@@YAXXZ"() // GNU-DAG: define void @_Z7friend3v() // MSC-DAG: declare void @"\01?friend4@@YAXXZ"() // GNU-DAG: declare void @_Z7friend4v() @@ -590,6 +591,10 @@ struct __declspec(dllimport) T { void a() {} // MO1-DAG: define available_externally dllimport x86_thiscallcc void @"\01?a@T@@QAEXXZ" + static void StaticMethod(); + // MSC-DAG: declare dllimport void @"\01?StaticMethod@T@@SAXXZ"() + // GNU-DAG: declare dllimport void @_ZN1T12StaticMethodEv() + static int b; // MO1-DAG: @"\01?b@T@@2HA" = external dllimport global i32 @@ -602,6 +607,7 @@ struct __declspec(dllimport) T { // M19-DAG: define available_externally dllimport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.T* @"\01??4T@@QAEAAU0@$$QAU0@@Z" }; USEMEMFUNC(T, a) +USESTATICMEMFUNC(T, StaticMethod) USEVAR(T::b) USECOPYASSIGN(T) USEMOVEASSIGN(T) @@ -614,7 +620,7 @@ USEMEMFUNC(V, foo) struct __declspec(dllimport) W { virtual void foo() {} }; USECLASS(W) // vftable: -// MO1-DAG: @"\01??_7W@@6B@" = available_externally dllimport unnamed_addr constant [1 x i8*] [i8* bitcast (void (%struct.W*)* @"\01?foo@W@@UAEXXZ" to i8*)] +// MO1-DAG: @"\01??_SW@@6B@" = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (void (%struct.W*)* @"\01?foo@W@@UAEXXZ" to i8*)] // GO1-DAG: @_ZTV1W = available_externally dllimport unnamed_addr constant [3 x i8*] [i8* null, i8* null, i8* bitcast (void (%struct.W*)* @_ZN1W3fooEv to i8*)] struct __declspec(dllimport) KeyFuncClass { @@ -650,7 +656,7 @@ namespace DontUseDtorAlias { namespace Vtordisp { // Don't dllimport the vtordisp. - // MO1-DAG: define linkonce_odr x86_thiscallcc void @"\01?f@?$C@D@Vtordisp@@$4PPPPPPPM@A@AEXXZ" + // MO1-DAG: define linkonce_odr x86_thiscallcc void @"\01?f@?$C@H@Vtordisp@@$4PPPPPPPM@A@AEXXZ" class Base { virtual void f() {} @@ -661,7 +667,7 @@ namespace Vtordisp { C() {} virtual void f() {} }; - template class C<char>; + USECLASS(C<int>); } namespace ClassTemplateStaticDef { @@ -670,7 +676,7 @@ namespace ClassTemplateStaticDef { static int x; }; template <typename T> int S<T>::x; - // MSC-DAG: @"\01?x@?$S@H@ClassTemplateStaticDef@@2HA" = available_externally dllimport global i32 0 + // MSC-DAG: @"\01?x@?$S@H@ClassTemplateStaticDef@@2HA" = external dllimport global i32 int f() { return S<int>::x; } // Partial class template specialization static field: @@ -679,7 +685,7 @@ namespace ClassTemplateStaticDef { static int x; }; template <typename A> int T<A*>::x; - // GNU-DAG: @_ZN22ClassTemplateStaticDef1TIPvE1xE = available_externally dllimport global i32 0 + // GNU-DAG: @_ZN22ClassTemplateStaticDef1TIPvE1xE = external dllimport global i32 int g() { return T<void*>::x; } } @@ -692,26 +698,31 @@ namespace PR19933 { template <typename T> struct A { static NonPOD x; }; template <typename T> NonPOD A<T>::x; template struct __declspec(dllimport) A<int>; - // MSC-DAG: @"\01?x@?$A@H@PR19933@@2UNonPOD@2@A" = available_externally dllimport global %"struct.PR19933::NonPOD" zeroinitializer + USEVARTYPE(NonPOD, A<int>::x); + // MSC-DAG: @"\01?x@?$A@H@PR19933@@2UNonPOD@2@A" = external dllimport global %"struct.PR19933::NonPOD" int f(); template <typename T> struct B { static int x; }; template <typename T> int B<T>::x = f(); template struct __declspec(dllimport) B<int>; - // MSC-DAG: @"\01?x@?$B@H@PR19933@@2HA" = available_externally dllimport global i32 0 + USEVAR(B<int>::x); + // MSC-DAG: @"\01?x@?$B@H@PR19933@@2HA" = external dllimport global i32 constexpr int g() { return 42; } template <typename T> struct C { static int x; }; template <typename T> int C<T>::x = g(); template struct __declspec(dllimport) C<int>; - // MSC-DAG: @"\01?x@?$C@H@PR19933@@2HA" = available_externally dllimport global i32 42 + USEVAR(C<int>::x); + // MSC-DAG: @"\01?x@?$C@H@PR19933@@2HA" = external dllimport global i32 template <int I> struct D { static int x, y; }; template <int I> int D<I>::x = I + 1; template <int I> int D<I>::y = I + f(); template struct __declspec(dllimport) D<42>; - // MSC-DAG: @"\01?x@?$D@$0CK@@PR19933@@2HA" = available_externally dllimport global i32 43 - // MSC-DAG: @"\01?y@?$D@$0CK@@PR19933@@2HA" = available_externally dllimport global i32 0 + USEVAR(D<42>::x); + USEVAR(D<42>::y); + // MSC-DAG: @"\01?x@?$D@$0CK@@PR19933@@2HA" = external dllimport global i32 + // MSC-DAG: @"\01?y@?$D@$0CK@@PR19933@@2HA" = external dllimport global i32 } namespace PR21355 { @@ -737,6 +748,17 @@ namespace PR21366 { inline void S::outOfClassInlineMethod() {} } +namespace PR27319 { + // Make sure we don't assert due to not having checked for operator delete on + // the destructor. + template <typename> struct A { + virtual ~A() = default; + }; + extern template struct __declspec(dllimport) A<int>; + void f() { new A<int>(); } + // MO1-DAG: @"\01??_S?$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(); }; @@ -788,6 +810,36 @@ template struct __declspec(dllimport) PR23770DerivedTemplate<int>; USEMEMFUNC(PR23770BaseTemplate<int>, f); // M32-DAG: declare dllimport x86_thiscallcc void @"\01?f@?$PR23770BaseTemplate@H@@QAEXXZ" +namespace PR27810 { + template <class T> + struct basic_ostream { + struct sentry { + sentry() { } + void foo() { } + }; + }; + template class __declspec(dllimport) basic_ostream<char>; + // The explicit instantiation definition acts as an explicit instantiation + // *declaration*, dllimport is not inherited by the inner class, and no + // functions are emitted unless they are used. + + USEMEMFUNC(basic_ostream<char>::sentry, foo); + // M32-DAG: define linkonce_odr x86_thiscallcc void @"\01?foo@sentry@?$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 //===----------------------------------------------------------------------===// |