1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin10 -mconstructor-aliases | FileCheck %s
2
3 struct A {
4 A();
5 };
6
7 // CHECK: @_ZN1AC1Ev = alias {{.*}} @_ZN1AC2Ev
8 // CHECK-LABEL: define void @_ZN1AC2Ev(%struct.A* %this) unnamed_addr
A()9 A::A() { }
10
11 struct B : virtual A {
12 B();
13 };
14
15 // CHECK-LABEL: define void @_ZN1BC2Ev(%struct.B* %this, i8** %vtt) unnamed_addr
16 // CHECK-LABEL: define void @_ZN1BC1Ev(%struct.B* %this) unnamed_addr
B()17 B::B() { }
18
19 struct C : virtual A {
20 C(bool);
21 };
22
23 // CHECK-LABEL: define void @_ZN1CC2Eb(%struct.C* %this, i8** %vtt, i1 zeroext) unnamed_addr
24 // CHECK-LABEL: define void @_ZN1CC1Eb(%struct.C* %this, i1 zeroext) unnamed_addr
C(bool)25 C::C(bool) { }
26
27 // PR6251
28 namespace PR6251 {
29
30 // Test that we don't call the A<char> constructor twice.
31
32 template<typename T>
33 struct A { A(); };
34
35 struct B : virtual A<char> { };
36 struct C : virtual A<char> { };
37
38 struct D : B, C {
39 D();
40 };
41
42 // CHECK-LABEL: define void @_ZN6PR62511DC1Ev(%"struct.PR6251::D"* %this) unnamed_addr
43 // CHECK: call void @_ZN6PR62511AIcEC2Ev
44 // CHECK-NOT: call void @_ZN6PR62511AIcEC2Ev
45 // CHECK: ret void
D()46 D::D() { }
47
48 }
49