Fariborz Jahanian | a50e33e | 2011-01-28 23:42:29 +0000 | [diff] [blame] | 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 | |
| 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*)** 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 |
| 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.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 |
| 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.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 |
| 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.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 | |