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// <atomic> 11 12// template <class T> 13// T 14// atomic_load(const volatile atomic<T>* obj); 15// 16// template <class T> 17// T 18// atomic_load(const atomic<T>* obj); 19 20#include <atomic> 21#include <type_traits> 22#include <cassert> 23 24template <class T> 25void 26test() 27{ 28 typedef std::atomic<T> A; 29 A t; 30 std::atomic_init(&t, T(1)); 31 assert(std::atomic_load(&t) == T(1)); 32 volatile A vt; 33 std::atomic_init(&vt, T(2)); 34 assert(std::atomic_load(&vt) == T(2)); 35} 36 37struct A 38{ 39 int i; 40 41 explicit A(int d = 0) : i(d) {} 42 43 friend bool operator==(const A& x, const A& y) 44 {return x.i == y.i;} 45}; 46 47int main() 48{ 49 test<A>(); 50 test<char>(); 51 test<signed char>(); 52 test<unsigned char>(); 53 test<short>(); 54 test<unsigned short>(); 55 test<int>(); 56 test<unsigned int>(); 57 test<long>(); 58 test<unsigned long>(); 59 test<long long>(); 60 test<unsigned long long>(); 61 test<wchar_t>(); 62#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 63 test<char16_t>(); 64 test<char32_t>(); 65#endif // _LIBCPP_HAS_NO_UNICODE_CHARS 66 test<int*>(); 67 test<const int*>(); 68} 69