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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 |
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