1/*===---- time.h - OpenMP time header wrapper ------------------------ c ---=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9 10#ifndef __CLANG_OPENMP_TIME_H__ 11#define __CLANG_OPENMP_TIME_H__ 12 13#ifndef _OPENMP 14#error "This file is for OpenMP compilation only." 15#endif 16 17#if defined(__cplusplus) 18#define __DEVICE__ static constexpr __attribute__((always_inline, nothrow)) 19#else 20#define __DEVICE__ static __attribute__((always_inline, nothrow)) 21#endif 22 23#include_next <time.h> 24 25#pragma omp begin declare variant match( \ 26 device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any)}) 27 28__DEVICE__ clock_t clock() { return __nvvm_read_ptx_sreg_clock(); } 29 30#pragma omp end declare variant 31 32#endif 33