llvm-for-llvmta/tools/clang/lib/Headers/openmp_wrappers/time.h

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2022-04-25 13:02:35 +02:00
/*===---- time.h - OpenMP time header wrapper ------------------------ c ---===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef __CLANG_OPENMP_TIME_H__
#define __CLANG_OPENMP_TIME_H__
#ifndef _OPENMP
#error "This file is for OpenMP compilation only."
#endif
#if defined(__cplusplus)
#define __DEVICE__ static constexpr __attribute__((always_inline, nothrow))
#else
#define __DEVICE__ static __attribute__((always_inline, nothrow))
#endif
#include_next <time.h>
#pragma omp begin declare variant match( \
device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any)})
__DEVICE__ clock_t clock() { return __nvvm_read_ptx_sreg_clock(); }
#pragma omp end declare variant
#endif