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 17 template <class T, unsigned A> 18 void 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 26 class Class 27 { 28 public: 29 ~Class(); 30 }; 31 32 int 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
