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      1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -std=c++11 -emit-llvm -o - | FileCheck %s
      2 
      3 // Test1::B should just have a single entry in its VTT, which points to the vtable.
      4 namespace Test1 {
      5 struct A { };
      6 
      7 struct B : virtual A {
      8   virtual void f();
      9 };
     10 
     11 void B::f() { }
     12 }
     13 
     14 // 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.
     15 namespace Test2 {
     16   struct A { };
     17 
     18   struct B : A { virtual void f(); };
     19   struct C : virtual B { };
     20 
     21   C c;
     22 }
     23 
     24 // This is the sample from the C++ Itanium ABI, p2.6.2.
     25 namespace Test3 {
     26   class A1 { int i; };
     27   class A2 { int i; virtual void f(); };
     28   class V1 : public A1, public A2 { int i; };
     29   class B1 { int i; };
     30   class B2 { int i; };
     31   class V2 : public B1, public B2, public virtual V1 { int i; };
     32   class V3 {virtual void g(); };
     33   class C1 : public virtual V1 { int i; };
     34   class C2 : public virtual V3, virtual V2 { int i; };
     35   class X1 { int i; };
     36   class C3 : public X1 { int i; };
     37   class D : public C1, public C2, public C3 { int i;  };
     38 
     39   D d;
     40 }
     41 
     42 // This is the sample from the C++ Itanium ABI, p2.6.2, with the change suggested
     43 // (making A2 a virtual base of V1)
     44 namespace Test4 {
     45   class A1 { int i; };
     46   class A2 { int i; virtual void f(); };
     47   class V1 : public A1, public virtual A2 { int i; };
     48   class B1 { int i; };
     49   class B2 { int i; };
     50   class V2 : public B1, public B2, public virtual V1 { int i; };
     51   class V3 {virtual void g(); };
     52   class C1 : public virtual V1 { int i; };
     53   class C2 : public virtual V3, virtual V2 { int i; };
     54   class X1 { int i; };
     55   class C3 : public X1 { int i; };
     56   class D : public C1, public C2, public C3 { int i;  };
     57 
     58   D d;
     59 }
     60 
     61 namespace Test5 {
     62   struct A {
     63     virtual void f() = 0;
     64     virtual void anchor();
     65   };
     66 
     67   void A::anchor() {
     68   }
     69 }
     70 
     71 namespace Test6 {
     72   struct A {
     73     virtual void f() = delete;
     74     virtual void anchor();
     75   };
     76 
     77   void A::anchor() {
     78   }
     79 }
     80 
     81 // CHECK: @_ZTTN5Test11BE = unnamed_addr constant [1 x i8*] [i8* bitcast (i8** getelementptr inbounds ([4 x i8*]* @_ZTVN5Test11BE, i64 0, i64 3) to i8*)]
     82 // CHECK: @_ZTVN5Test51AE = unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTIN5Test51AE to i8*), i8* bitcast (void ()* @__cxa_pure_virtual to i8*), i8* bitcast (void (%"struct.Test5::A"*)* @_ZN5Test51A6anchorEv to i8*)]
     83 // CHECK: @_ZTVN5Test61AE = unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTIN5Test61AE to i8*), i8* bitcast (void ()* @__cxa_deleted_virtual to i8*), i8* bitcast (void (%"struct.Test6::A"*)* @_ZN5Test61A6anchorEv to i8*)]
     84 // 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*)]
     85 // 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*)]
     86 // 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*)]
     87