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.Base*)* @_ZNK4Base3abcEv to i8*), i8* null] 5// CHECK: @_ZTV8Derived2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.Derived2*)* @_ZNK8Derived23efgEv to i8*), i8* null] 6// CHECK: @_ZTV2D2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.D2*)* @_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*)*, i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)*, 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.Base*)*, i8* (%struct.Base*)** getelementptr inbounds (i8* (%struct.Base*)*, i8* (%struct.Base*)** bitcast ([4 x i8*]* @_ZTV4Base to i8* (%struct.Base*)**), 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.Derived2*)*, i8* (%struct.Derived2*)** getelementptr inbounds (i8* (%struct.Derived2*)*, i8* (%struct.Derived2*)** bitcast ([5 x i8*]* @_ZTV8Derived2 to i8* (%struct.Derived2*)**), 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.D2*)*, i8* (%struct.D2*)** getelementptr inbounds (i8* (%struct.D2*)*, i8* (%struct.D2*)** bitcast ([5 x i8*]* @_ZTV2D2 to i8* (%struct.D2*)**), i64 3) 74// CHECK-NEXT: [[W2:%.*]] = call i8* [[W1]] 75 char* c = p->D2::abc(); 76} 77 78