26 lines · cpp
1// RUN: %clang_cc1 -std=c++17 -emit-llvm %s -triple x86_64-windows-msvc -o - | FileCheck %s2 3// Make sure virtual base base destructors get referenced and emitted if4// necessary when the complete ("vbase") destructor is emitted. In this case,5// clang previously did not emit ~DefaultedDtor.6struct HasDtor { ~HasDtor(); };7struct DefaultedDtor {8 ~DefaultedDtor() = default;9 HasDtor o;10};11struct HasCompleteDtor : virtual DefaultedDtor {12 ~HasCompleteDtor();13};14void useCompleteDtor(HasCompleteDtor *p) { delete p; }15 16// CHECK-LABEL: define dso_local void @"?useCompleteDtor@@YAXPEAUHasCompleteDtor@@@Z"(ptr noundef %p)17// CHECK: call void @"??_DHasCompleteDtor@@QEAAXXZ"({{.*}})18 19// CHECK-LABEL: define linkonce_odr dso_local void @"??_DHasCompleteDtor@@QEAAXXZ"(ptr {{[^,]*}} %this)20// CHECK: call void @"??1HasCompleteDtor@@QEAA@XZ"({{.*}})21// CHECK: call void @"??1DefaultedDtor@@QEAA@XZ"({{.*}})22 23// CHECK-LABEL: define linkonce_odr dso_local void @"??1DefaultedDtor@@QEAA@XZ"(ptr {{[^,]*}} %this)24// CHECK: call void @"??1HasDtor@@QEAA@XZ"(ptr {{[^,]*}} %{{.*}})25 26