xref: /freebsd/contrib/llvm-project/clang/lib/Headers/openmp_wrappers/time.h (revision e25152834cdf3b353892835a4f3b157e066a8ed4)
1*5ffd83dbSDimitry Andric /*===---- time.h - OpenMP time header wrapper ------------------------ c ---===
2*5ffd83dbSDimitry Andric  *
3*5ffd83dbSDimitry Andric  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*5ffd83dbSDimitry Andric  * See https://llvm.org/LICENSE.txt for license information.
5*5ffd83dbSDimitry Andric  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*5ffd83dbSDimitry Andric  *
7*5ffd83dbSDimitry Andric  *===-----------------------------------------------------------------------===
8*5ffd83dbSDimitry Andric  */
9*5ffd83dbSDimitry Andric 
10*5ffd83dbSDimitry Andric #ifndef __CLANG_OPENMP_TIME_H__
11*5ffd83dbSDimitry Andric #define __CLANG_OPENMP_TIME_H__
12*5ffd83dbSDimitry Andric 
13*5ffd83dbSDimitry Andric #ifndef _OPENMP
14*5ffd83dbSDimitry Andric #error "This file is for OpenMP compilation only."
15*5ffd83dbSDimitry Andric #endif
16*5ffd83dbSDimitry Andric 
17*5ffd83dbSDimitry Andric #if defined(__cplusplus)
18*5ffd83dbSDimitry Andric #define __DEVICE__ static constexpr __attribute__((always_inline, nothrow))
19*5ffd83dbSDimitry Andric #else
20*5ffd83dbSDimitry Andric #define __DEVICE__ static __attribute__((always_inline, nothrow))
21*5ffd83dbSDimitry Andric #endif
22*5ffd83dbSDimitry Andric 
23*5ffd83dbSDimitry Andric #include_next <time.h>
24*5ffd83dbSDimitry Andric 
25*5ffd83dbSDimitry Andric #pragma omp begin declare variant match(                                       \
26*5ffd83dbSDimitry Andric     device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any)})
27*5ffd83dbSDimitry Andric 
clock()28*5ffd83dbSDimitry Andric __DEVICE__ clock_t clock() { return __nvvm_read_ptx_sreg_clock(); }
29*5ffd83dbSDimitry Andric 
30*5ffd83dbSDimitry Andric #pragma omp end declare variant
31*5ffd83dbSDimitry Andric 
32*5ffd83dbSDimitry Andric #endif
33