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