120314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s 220314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 335aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson// Test1::B should just have a single entry in its VTT, which points to the vtable. 420314fffcf5d97bab58686cdcb914637b453a166Anders Carlssonnamespace Test1 { 520314fffcf5d97bab58686cdcb914637b453a166Anders Carlssonstruct A { }; 620314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 720314fffcf5d97bab58686cdcb914637b453a166Anders Carlssonstruct B : virtual A { 820314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson virtual void f(); 920314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson}; 1020314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 1120314fffcf5d97bab58686cdcb914637b453a166Anders Carlssonvoid B::f() { } 1220314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson} 1320314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 1435aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson// Check that we don't add a secondary virtual pointer for Test2::A, since Test2::A doesn't have any virtual member functions or bases. 1520314fffcf5d97bab58686cdcb914637b453a166Anders Carlssonnamespace Test2 { 1620314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson struct A { }; 1720314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 1820314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson struct B : A { virtual void f(); }; 1920314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson struct C : virtual B { }; 2020314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 2120314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson C c; 2220314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson} 2320314fffcf5d97bab58686cdcb914637b453a166Anders Carlsson 2435aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson// This is the sample from the C++ Itanium ABI, p2.6.2. 2535aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlssonnamespace Test3 { 2635aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class A1 { int i; }; 2735aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class A2 { int i; virtual void f(); }; 2835aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V1 : public A1, public A2 { int i; }; 2935aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class B1 { int i; }; 3035aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class B2 { int i; }; 3135aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V2 : public B1, public B2, public virtual V1 { int i; }; 3235aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V3 {virtual void g(); }; 3335aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C1 : public virtual V1 { int i; }; 3435aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C2 : public virtual V3, virtual V2 { int i; }; 3535aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class X1 { int i; }; 3635aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C3 : public X1 { int i; }; 3735aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class D : public C1, public C2, public C3 { int i; }; 3835aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson 3935aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson D d; 4035aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson} 4135aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson 4235aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson// This is the sample from the C++ Itanium ABI, p2.6.2, with the change suggested 4335aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson// (making A2 a virtual base of V1) 4435aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlssonnamespace Test4 { 4535aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class A1 { int i; }; 4635aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class A2 { int i; virtual void f(); }; 4735aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V1 : public A1, public virtual A2 { int i; }; 4835aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class B1 { int i; }; 4935aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class B2 { int i; }; 5035aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V2 : public B1, public B2, public virtual V1 { int i; }; 5135aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class V3 {virtual void g(); }; 5235aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C1 : public virtual V1 { int i; }; 5335aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C2 : public virtual V3, virtual V2 { int i; }; 5435aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class X1 { int i; }; 5535aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class C3 : public X1 { int i; }; 5635aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson class D : public C1, public C2, public C3 { int i; }; 5735aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson 5835aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson D d; 5935aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson} 6035aa62aacf2b644f2ff2f0bdfd89136323698a39Anders Carlsson 6182a0f4e93c055fb12f5ad7c3d146d50eb201308fRafael Espindola// CHECK: @_ZTTN5Test11BE = unnamed_addr constant [1 x i8*] [i8* bitcast (i8** getelementptr inbounds ([4 x i8*]* @_ZTVN5Test11BE, i64 0, i64 3) to i8*)] 62f502d93b0ea970bfbd897e657f8d940a20984de2Anders Carlsson// CHECK: @_ZTTN5Test41DE = linkonce_odr unnamed_addr constant [19 x i8*] [i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 0, i64 6) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE0_NS_2C1E, i64 0, i64 4) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE0_NS_2C1E, i64 0, i64 7) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE0_NS_2C1E, i64 0, i64 10) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTCN5Test41DE16_NS_2C2E, i64 0, i64 7) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTCN5Test41DE16_NS_2C2E, i64 0, i64 7) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTCN5Test41DE16_NS_2C2E, i64 0, i64 12) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTCN5Test41DE16_NS_2C2E, i64 0, i64 15) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTCN5Test41DE16_NS_2C2E, i64 0, i64 18) to i8*), i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 0, i64 17) to i8*), i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 0, i64 20) to i8*), i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 0, i64 13) to i8*), i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 0, i64 13) to i8*), i8* bitcast (i8** getelementptr inbounds ([25 x i8*]* @_ZTVN5Test41DE, i64 1, i64 0) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test41DE40_NS_2V1E, i64 0, i64 3) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test41DE40_NS_2V1E, i64 0, i64 6) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE72_NS_2V2E, i64 0, i64 4) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE72_NS_2V2E, i64 0, i64 7) to i8*), i8* bitcast (i8** getelementptr inbounds ([11 x i8*]* @_ZTCN5Test41DE72_NS_2V2E, i64 0, i64 10) to i8*)] 63f502d93b0ea970bfbd897e657f8d940a20984de2Anders Carlsson// CHECK: @_ZTTN5Test31DE = linkonce_odr unnamed_addr constant [13 x i8*] [i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTVN5Test31DE, i64 0, i64 5) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test31DE0_NS_2C1E, i64 0, i64 3) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test31DE0_NS_2C1E, i64 0, i64 6) to i8*), i8* bitcast (i8** getelementptr inbounds ([14 x i8*]* @_ZTCN5Test31DE16_NS_2C2E, i64 0, i64 6) to i8*), i8* bitcast (i8** getelementptr inbounds ([14 x i8*]* @_ZTCN5Test31DE16_NS_2C2E, i64 0, i64 6) to i8*), i8* bitcast (i8** getelementptr inbounds ([14 x i8*]* @_ZTCN5Test31DE16_NS_2C2E, i64 0, i64 10) to i8*), i8* bitcast (i8** getelementptr inbounds ([14 x i8*]* @_ZTCN5Test31DE16_NS_2C2E, i64 0, i64 13) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTVN5Test31DE, i64 0, i64 15) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTVN5Test31DE, i64 0, i64 11) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTVN5Test31DE, i64 0, i64 11) to i8*), i8* bitcast (i8** getelementptr inbounds ([19 x i8*]* @_ZTVN5Test31DE, i64 1, i64 0) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test31DE64_NS_2V2E, i64 0, i64 3) to i8*), i8* bitcast (i8** getelementptr inbounds ([7 x i8*]* @_ZTCN5Test31DE64_NS_2V2E, i64 0, i64 6) to i8*)] 64f502d93b0ea970bfbd897e657f8d940a20984de2Anders Carlsson// CHECK: @_ZTTN5Test21CE = linkonce_odr unnamed_addr constant [2 x i8*] [i8* bitcast (i8** getelementptr inbounds ([5 x i8*]* @_ZTVN5Test21CE, i64 0, i64 4) to i8*), i8* bitcast (i8** getelementptr inbounds ([5 x i8*]* @_ZTVN5Test21CE, i64 0, i64 4) to i8*)] 65