111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// UNSUPPORTED: libcpp-has-no-threads 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// ... assertion fails line 31 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <atomic> 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// template <class T> 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// T 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// atomic_load_explicit(const volatile atomic<T>* obj, memory_order m); 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// template <class T> 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// T 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// atomic_load_explicit(const atomic<T>* obj, memory_order m); 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <atomic> 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <type_traits> 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <cassert> 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include "atomic_helpers.h" 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttemplate <class T> 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct TestFn { 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void operator()() const { 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert typedef std::atomic<T> A; 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert A t; 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert std::atomic_init(&t, T(1)); 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(std::atomic_load_explicit(&t, std::memory_order_seq_cst) == T(1)); 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert volatile A vt; 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert std::atomic_init(&vt, T(2)); 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(std::atomic_load_explicit(&vt, std::memory_order_seq_cst) == T(2)); 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albertint main() 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert TestEachAtomicType<TestFn>()(); 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 46