llvm-project/clang/test/CodeGenCXX/virtual-bases.cpp

49 lines
1.1 KiB
C++

// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -mconstructor-aliases | FileCheck %s
struct A {
A();
};
// CHECK: @_ZN1AC1Ev = alias {{.*}} @_ZN1AC2Ev
// CHECK: define void @_ZN1AC2Ev(%struct.A* %this) unnamed_addr
A::A() { }
struct B : virtual A {
B();
};
// CHECK: define void @_ZN1BC1Ev(%struct.B* %this) unnamed_addr
// CHECK: define void @_ZN1BC2Ev(%struct.B* %this, i8** %vtt) unnamed_addr
B::B() { }
struct C : virtual A {
C(bool);
};
// CHECK: define void @_ZN1CC1Eb(%struct.C* %this, i1 zeroext) unnamed_addr
// CHECK: define void @_ZN1CC2Eb(%struct.C* %this, i8** %vtt, i1 zeroext) unnamed_addr
C::C(bool) { }
// PR6251
namespace PR6251 {
// Test that we don't call the A<char> constructor twice.
template<typename T>
struct A { A(); };
struct B : virtual A<char> { };
struct C : virtual A<char> { };
struct D : B, C {
D();
};
// CHECK: define void @_ZN6PR62511DC1Ev(%"struct.PR6251::D"* %this) unnamed_addr
// CHECK: call void @_ZN6PR62511AIcEC2Ev
// CHECK-NOT: call void @_ZN6PR62511AIcEC2Ev
// CHECK: ret void
D::D() { }
}