/test/CodeGenCXX/virtual-destructor-calls.cpp
C++ | 59 lines | 20 code | 15 blank | 24 comment | 0 complexity | e00b953e8f0f688d6d866dd5fa8d37f0 MD5 | raw file
- // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -mconstructor-aliases | FileCheck %s
- struct Member {
- ~Member();
- };
- struct A {
- virtual ~A();
- };
- struct B : A {
- Member m;
- virtual ~B();
- };
- // Complete dtor: just an alias because there are no virtual bases.
- // CHECK: @_ZN1BD1Ev = alias {{.*}} @_ZN1BD2Ev
- // (aliases from C)
- // CHECK: @_ZN1CD1Ev = alias {{.*}} @_ZN1CD2Ev
- // CHECK: @_ZN1CD2Ev = alias bitcast {{.*}} @_ZN1BD2Ev
- // Deleting dtor: defers to the complete dtor.
- // CHECK: define void @_ZN1BD0Ev(%struct.B* %this) unnamed_addr
- // CHECK: call void @_ZN1BD1Ev
- // CHECK: call void @_ZdlPv
- // Base dtor: actually calls A's base dtor.
- // CHECK: define void @_ZN1BD2Ev(%struct.B* %this) unnamed_addr
- // CHECK: call void @_ZN6MemberD1Ev
- // CHECK: call void @_ZN1AD2Ev
- B::~B() { }
- struct C : B {
- ~C();
- };
- C::~C() { }
- // Complete dtor: just an alias (checked above).
- // Deleting dtor: defers to the complete dtor.
- // CHECK: define void @_ZN1CD0Ev(%struct.C* %this) unnamed_addr
- // CHECK: call void @_ZN1CD1Ev
- // CHECK: call void @_ZdlPv
- // Base dtor: just an alias to B's base dtor.
- namespace PR12798 {
- // A qualified call to a base class destructor should not undergo virtual
- // dispatch. Template instantiation used to lose the qualifier.
- struct A { virtual ~A(); };
- template<typename T> void f(T *p) { p->A::~A(); }
- // CHECK: define {{.*}} @_ZN7PR127981fINS_1AEEEvPT_(
- // CHECK: call void @_ZN7PR127981AD1Ev(
- template void f(A*);
- }