1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -fno-rtti -emit-llvm -o - %s | FileCheck %s
2
3// CHECK: @_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK1A3abcEv to i8*), i8* null]
4// CHECK: @_ZTV4Base = unnamed_addr constant [4 x i8*] [i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK4Base3abcEv to i8*), i8* null]
5// CHECK: @_ZTV8Derived2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK8Derived23efgEv to i8*), i8* null]
6// CHECK: @_ZTV2D2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK2D23abcEv to i8*), i8* null]
7
8struct A {
9  virtual const char* abc(void) const;
10};
11
12const char* A::abc(void) const {return "A"; };
13
14struct B : virtual A {
15  virtual void VF();
16};
17
18void B::VF() {}
19
20void FUNC(B* p) {
21// CHECK: [[T1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([4 x i8*]* @_ZTV1A to i8* (%struct.A*)**), i64 2)
22// CHECK-NEXT:  [[T2:%.*]] = call i8* [[T1]]
23  const char* c = p->A::abc();
24}
25
26
27// Test2
28struct Base { virtual char* abc(void) const; };
29
30char* Base::abc() const { return 0; }
31
32struct Derived : public Base {
33};
34
35void FUNC1(Derived* p) {
36// CHECK: [[U1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([4 x i8*]* @_ZTV4Base to i8* (%struct.A*)**), i64 2)
37// CHECK-NEXT:  [[U2:%.*]] = call i8* [[U1]]
38  char* c = p->Base::abc();
39}
40
41
42// Test3
43struct Base2 { };
44
45struct Derived2 : virtual Base2 {
46  virtual char* efg(void) const;
47};
48
49char* Derived2::efg(void) const { return 0; }
50
51void FUNC2(Derived2* p) {
52// CHECK: [[V1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([5 x i8*]* @_ZTV8Derived2 to i8* (%struct.A*)**), i64 3)
53// CHECK-NEXT:  [[V2:%.*]] = call i8* [[V1]]
54  char* c = p->Derived2::efg();
55}
56
57// Test4
58struct Base3 { };
59
60struct D1 : virtual Base3 {
61};
62
63struct D2 : virtual Base3 {
64 virtual char *abc(void) const;
65};
66
67struct Sub : D1, D2 {
68};
69
70char* D2::abc(void) const { return 0; }
71
72void FUNC3(Sub* p) {
73// CHECK: [[W1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([5 x i8*]* @_ZTV2D2 to i8* (%struct.A*)**), i64 3)
74// CHECK-NEXT:  [[W2:%.*]] = call i8* [[W1]]
75  char* c = p->D2::abc();
76}
77
78