46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
|
// RUN: %clang_cc1 -mconstructor-aliases %s -triple x86_64-windows-msvc -fms-extensions -emit-llvm -o - | FileCheck %s
|
||
|
|
|
||
|
|
// PR32990
|
||
|
|
|
||
|
|
// Introduces the virtual destructor. We should use the base destructor
|
||
|
|
// directly, no thunk needed.
|
||
|
|
struct __declspec(dllimport) ImportIntroVDtor {
|
||
|
|
virtual ~ImportIntroVDtor() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
struct BaseClass {
|
||
|
|
virtual ~BaseClass() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Non-virtually inherits from a non-dllimport base class. We should again call
|
||
|
|
// the derived base constructor directly. No need for the complete (aka vbase)
|
||
|
|
// destructor.
|
||
|
|
struct __declspec(dllimport) ImportOverrideVDtor : public BaseClass {
|
||
|
|
virtual ~ImportOverrideVDtor() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Virtually inherits from a non-dllimport base class. In this case, we can
|
||
|
|
// expect the DLL to provide a definition of the complete dtor. See
|
||
|
|
// dllexport-dtor-thunks.cpp.
|
||
|
|
struct __declspec(dllimport) ImportVBaseOverrideVDtor
|
||
|
|
: public virtual BaseClass {
|
||
|
|
virtual ~ImportVBaseOverrideVDtor() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
extern "C" void testit() {
|
||
|
|
ImportIntroVDtor t1;
|
||
|
|
ImportOverrideVDtor t2;
|
||
|
|
ImportVBaseOverrideVDtor t3;
|
||
|
|
}
|
||
|
|
|
||
|
|
// The destructors are called in reverse order of construction. Only the third
|
||
|
|
// needs the complete destructor (_D).
|
||
|
|
// CHECK-LABEL: define dso_local void @testit()
|
||
|
|
// CHECK: call void @"??_DImportVBaseOverrideVDtor@@QEAAXXZ"(%struct.ImportVBaseOverrideVDtor* {{[^,]*}} %{{.*}})
|
||
|
|
// CHECK: call void @"??1ImportOverrideVDtor@@UEAA@XZ"(%struct.ImportOverrideVDtor* {{[^,]*}} %{{.*}})
|
||
|
|
// CHECK: call void @"??1ImportIntroVDtor@@UEAA@XZ"(%struct.ImportIntroVDtor* {{[^,]*}} %{{.*}})
|
||
|
|
|
||
|
|
// CHECK-LABEL: declare dllimport void @"??_DImportVBaseOverrideVDtor@@QEAAXXZ"
|
||
|
|
// CHECK-LABEL: declare dllimport void @"??1ImportOverrideVDtor@@UEAA@XZ"
|
||
|
|
// CHECK-LABEL: declare dllimport void @"??1ImportIntroVDtor@@UEAA@XZ"
|