forked from OSchip/llvm-project
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -fno-rtti -emit-llvm -o - %s | FileCheck %s
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// CHECK: @_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK1A3abcEv to i8*), i8* null]
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// CHECK: @_ZTV4Base = unnamed_addr constant [4 x i8*] [i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK4Base3abcEv to i8*), i8* null]
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// CHECK: @_ZTV8Derived2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK8Derived23efgEv to i8*), i8* null]
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// CHECK: @_ZTV2D2 = unnamed_addr constant [5 x i8*] [i8* null, i8* null, i8* null, i8* bitcast (i8* (%struct.A*)* @_ZNK2D23abcEv to i8*), i8* null]
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struct A {
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virtual const char* abc(void) const;
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};
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const char* A::abc(void) const {return "A"; };
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struct B : virtual A {
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virtual void VF();
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};
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void B::VF() {}
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void FUNC(B* p) {
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// CHECK: [[T1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([4 x i8*]* @_ZTV1A to i8* (%struct.A*)**), i64 2)
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// CHECK-NEXT: [[T2:%.*]] = call i8* [[T1]]
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const char* c = p->A::abc();
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}
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// Test2
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struct Base { virtual char* abc(void) const; };
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char* Base::abc() const { return 0; }
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struct Derived : public Base {
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};
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void FUNC1(Derived* p) {
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// CHECK: [[U1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([4 x i8*]* @_ZTV4Base to i8* (%struct.A*)**), i64 2)
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// CHECK-NEXT: [[U2:%.*]] = call i8* [[U1]]
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char* c = p->Base::abc();
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}
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// Test3
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struct Base2 { };
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struct Derived2 : virtual Base2 {
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virtual char* efg(void) const;
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};
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char* Derived2::efg(void) const { return 0; }
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void FUNC2(Derived2* p) {
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// CHECK: [[V1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([5 x i8*]* @_ZTV8Derived2 to i8* (%struct.A*)**), i64 3)
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// CHECK-NEXT: [[V2:%.*]] = call i8* [[V1]]
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char* c = p->Derived2::efg();
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}
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// Test4
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struct Base3 { };
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struct D1 : virtual Base3 {
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};
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struct D2 : virtual Base3 {
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virtual char *abc(void) const;
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};
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struct Sub : D1, D2 {
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};
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char* D2::abc(void) const { return 0; }
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void FUNC3(Sub* p) {
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// CHECK: [[W1:%.*]] = load i8* (%struct.A*)** getelementptr inbounds (i8* (%struct.A*)** bitcast ([5 x i8*]* @_ZTV2D2 to i8* (%struct.A*)**), i64 3)
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// CHECK-NEXT: [[W2:%.*]] = call i8* [[W1]]
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char* c = p->D2::abc();
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}
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