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 8 struct A { 9 virtual const char* abc(void) const; 10 }; 11 12 const char* A::abc(void) const {return "A"; }; 13 14 struct B : virtual A { 15 virtual void VF(); 16 }; 17 18 void B::VF() {} 19 20 void 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 28 struct Base { virtual char* abc(void) const; }; 29 30 char* Base::abc() const { return 0; } 31 32 struct Derived : public Base { 33 }; 34 35 void 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 43 struct Base2 { }; 44 45 struct Derived2 : virtual Base2 { 46 virtual char* efg(void) const; 47 }; 48 49 char* Derived2::efg(void) const { return 0; } 50 51 void 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 58 struct Base3 { }; 59 60 struct D1 : virtual Base3 { 61 }; 62 63 struct D2 : virtual Base3 { 64 virtual char *abc(void) const; 65 }; 66 67 struct Sub : D1, D2 { 68 }; 69 70 char* D2::abc(void) const { return 0; } 71 72 void 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
