diff options
Diffstat (limited to 'clang/test/CodeGenCXX/dllimport.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/dllimport.cpp | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/clang/test/CodeGenCXX/dllimport.cpp b/clang/test/CodeGenCXX/dllimport.cpp index 021de44789a..629c2b6c8ba 100644 --- a/clang/test/CodeGenCXX/dllimport.cpp +++ b/clang/test/CodeGenCXX/dllimport.cpp @@ -656,7 +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@@$4PPPPPPPM@A@AEXXZ" class Base { virtual void f() {} @@ -667,7 +667,7 @@ namespace Vtordisp { C() {} virtual void f() {} }; - template class C<char>; + USECLASS(C<int>); } namespace ClassTemplateStaticDef { @@ -698,26 +698,31 @@ namespace PR19933 { template <typename T> struct A { static NonPOD x; }; template <typename T> NonPOD A<T>::x; template struct __declspec(dllimport) A<int>; - // MSC-DAG: @"\01?x@?$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@$0CK@@PR19933@@2HA" = external dllimport global i32 } namespace PR21355 { @@ -805,6 +810,36 @@ template struct __declspec(dllimport) PR23770DerivedTemplate<int>; USEMEMFUNC(PR23770BaseTemplate<int>, f); // M32-DAG: declare dllimport x86_thiscallcc void @"\01?f@?$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 //===----------------------------------------------------------------------===// |
