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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin12 -emit-llvm -o - %s | FileCheck %s
      2 
      3 class A { virtual ~A() {} };
      4 class B { virtual ~B() {} };
      5 
      6 class C : A { char x; };
      7 class D : public A { short y; };
      8 class E : public A, public B { int z; };
      9 class F : public virtual A { long long w; };
     10 class G : virtual A { long long w; };
     11 
     12 class H : public E { int a; };
     13 class I : public F { char b; };
     14 
     15 class J : public H { char q; };
     16 class K : public C, public B { char q; };
     17 
     18 class XA : public A { };
     19 class XB : public A { };
     20 class XC : public virtual A { };
     21 class X : public XA, public XB, public XC { };
     22 
     23 void test(A *a, B *b) {
     24   volatile C *ac = dynamic_cast<C *>(a);
     25 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64 }* @_ZTI1C to i8*), i64 -2)
     26   volatile D *ad = dynamic_cast<D *>(a);
     27 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1D to i8*), i64 0)
     28   volatile E *ae = dynamic_cast<E *>(a);
     29 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64, i8*, i64 }* @_ZTI1E to i8*), i64 0)
     30   volatile F *af = dynamic_cast<F *>(a);
     31 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64 }* @_ZTI1F to i8*), i64 -1)
     32   volatile G *ag = dynamic_cast<G *>(a);
     33 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64 }* @_ZTI1G to i8*), i64 -2)
     34   volatile H *ah = dynamic_cast<H *>(a);
     35 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1H to i8*), i64 0)
     36   volatile I *ai = dynamic_cast<I *>(a);
     37 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1I to i8*), i64 -1)
     38   volatile J *aj = dynamic_cast<J *>(a);
     39 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1J to i8*), i64 0)
     40   volatile K *ak = dynamic_cast<K *>(a);
     41 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64, i8*, i64 }* @_ZTI1K to i8*), i64 -2)
     42   volatile X *ax = dynamic_cast<X *>(a);
     43 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64, i8*, i64, i8*, i64 }* @_ZTI1X to i8*), i64 -1)
     44 
     45   volatile E *be = dynamic_cast<E *>(b);
     46 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1B to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64, i8*, i64 }* @_ZTI1E to i8*), i64 8)
     47   volatile G *bg = dynamic_cast<G *>(b);
     48 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1B to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64 }* @_ZTI1G to i8*), i64 -2)
     49   volatile J *bj = dynamic_cast<J *>(b);
     50 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1B to i8*), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1J to i8*), i64 8)
     51   volatile K *bk = dynamic_cast<K *>(b);
     52 // CHECK: i8* bitcast ({ i8*, i8* }* @_ZTI1B to i8*), i8* bitcast ({ i8*, i8*, i32, i32, i8*, i64, i8*, i64 }* @_ZTI1K to i8*), i64 16)
     53 }
     54