1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// type_traits 11 12// alignment_of 13 14#include <type_traits> 15#include <cstdint> 16 17template <class T, unsigned A> 18void test_alignment_of() 19{ 20 static_assert( std::alignment_of<T>::value == A, ""); 21 static_assert( std::alignment_of<const T>::value == A, ""); 22 static_assert( std::alignment_of<volatile T>::value == A, ""); 23 static_assert( std::alignment_of<const volatile T>::value == A, ""); 24} 25 26class Class 27{ 28public: 29 ~Class(); 30}; 31 32int main() 33{ 34 test_alignment_of<int&, 4>(); 35 test_alignment_of<Class, 1>(); 36 test_alignment_of<int*, sizeof(intptr_t)>(); 37 test_alignment_of<const int*, sizeof(intptr_t)>(); 38 test_alignment_of<char[3], 1>(); 39 test_alignment_of<int, 4>(); 40 test_alignment_of<double, 8>(); 41#if (defined(__ppc__) && !defined(__ppc64__)) 42 test_alignment_of<bool, 4>(); // 32-bit PPC has four byte bool 43#else 44 test_alignment_of<bool, 1>(); 45#endif 46 test_alignment_of<unsigned, 4>(); 47} 48