llvm-project/clang/test/CodeGenCXX/rtti-layout.cpp

48 lines
924 B
C++

// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s
#include <typeinfo>
class __pbase_type_info : public std::type_info {
public:
unsigned int __flags;
const std::type_info *__pointee;
enum __masks {
__const_mask = 0x1,
__volatile_mask = 0x2,
__restrict_mask = 0x4,
__incomplete_mask = 0x8,
__incomplete_class_mask = 0x10
};
};
template<typename T> const T& to(const std::type_info &info) {
return static_cast<const T&>(info);
}
struct Incomplete;
// CHECK: define i32 @_Z1fv()
int f() {
if (to<__pbase_type_info>(typeid(Incomplete *)).__flags != __pbase_type_info::__incomplete_mask)
return 1;
// Success!
return 0;
}
#ifdef HARNESS
extern "C" void printf(const char *, ...);
int main() {
int result = f();
if (result == 0)
printf("success!\n");
else
printf("test %d failed!\n", result);
return result;
}
#endif