rtti-layout.cpp revision 8d1451535524cb21a6f8347bad9fed371b9d9ecb 
1// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s
2#include <typeinfo>
3
4class __pbase_type_info : public std::type_info {
5public:
6  unsigned int __flags;
7  const std::type_info *__pointee;
8
9  enum __masks {
10    __const_mask = 0x1,
11    __volatile_mask = 0x2,
12    __restrict_mask = 0x4,
13    __incomplete_mask = 0x8,
14    __incomplete_class_mask = 0x10
15  };
16};
17
18template<typename T> const T& to(const std::type_info &info) {
19return static_cast<const T&>(info);
20}
21struct Incomplete;
22
23#define CHECK(x) if ((x)) return __LINE__;
24
25// CHECK: define i32 @_Z1fv()
26int f() {
27  // Pointers to incomplete classes.
28  CHECK(to<__pbase_type_info>(typeid(Incomplete *)).__flags != __pbase_type_info::__incomplete_mask);
29  CHECK(to<__pbase_type_info>(typeid(Incomplete **)).__flags != __pbase_type_info::__incomplete_mask);
30  CHECK(to<__pbase_type_info>(typeid(Incomplete ***)).__flags != __pbase_type_info::__incomplete_mask);
31
32  // Member pointers.
33  CHECK(to<__pbase_type_info>(typeid(int Incomplete::*)).__flags != __pbase_type_info::__incomplete_class_mask);
34
35  // Success!
36  // CHECK: ret i32 0
37  return 0;
38}
39
40#ifdef HARNESS
41extern "C" void printf(const char *, ...);
42
43int main() {
44  int result = f();
45
46  if (result == 0)
47    printf("success!\n");
48  else
49    printf("test on line %d failed!\n", result);
50
51  return result;
52}
53#endif
54
55
56