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1 | /*===- __clang_openmp_device_functions.h - OpenMP device function declares -=== |
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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_DEVICE_FUNCTIONS_H__ |
11 | #define __CLANG_OPENMP_DEVICE_FUNCTIONS_H__ |
12 | |
13 | #ifndef _OPENMP |
14 | #error "This file is for OpenMP compilation only." |
15 | #endif |
16 | |
17 | #ifdef __cplusplus |
18 | extern "C" { |
19 | #endif |
20 | |
21 | #pragma omp begin declare variant match( \ |
22 | device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any)}) |
23 | |
24 | #define __CUDA__ |
25 | #define __OPENMP_NVPTX__ |
26 | |
27 | /// Include declarations for libdevice functions. |
28 | #include <__clang_cuda_libdevice_declares.h> |
29 | |
30 | /// Provide definitions for these functions. |
31 | #include <__clang_cuda_device_functions.h> |
32 | |
33 | #undef __OPENMP_NVPTX__ |
34 | #undef __CUDA__ |
35 | |
36 | #pragma omp end declare variant |
37 | |
38 | #ifdef __AMDGCN__ |
39 | #pragma omp begin declare variant match(device = {arch(amdgcn)}) |
40 | |
41 | // Import types which will be used by __clang_hip_libdevice_declares.h |
42 | #ifndef __cplusplus |
43 | #include <stdint.h> |
44 | #endif |
45 | |
46 | #define __OPENMP_AMDGCN__ |
47 | #pragma push_macro("__device__") |
48 | #define __device__ |
49 | |
50 | /// Include declarations for libdevice functions. |
51 | #include <__clang_hip_libdevice_declares.h> |
52 | |
53 | #pragma pop_macro("__device__") |
54 | #undef __OPENMP_AMDGCN__ |
55 | |
56 | #pragma omp end declare variant |
57 | #endif |
58 | |
59 | #ifdef __cplusplus |
60 | } // extern "C" |
61 | #endif |
62 | |
63 | // Ensure we make `_ZdlPv`, aka. `operator delete(void*)` available without the |
64 | // need to `include <new>` in C++ mode. |
65 | #ifdef __cplusplus |
66 | |
67 | // We require malloc/free. |
68 | #include <cstdlib> |
69 | |
70 | #pragma push_macro("OPENMP_NOEXCEPT") |
71 | #if __cplusplus >= 201103L |
72 | #define OPENMP_NOEXCEPT noexcept |
73 | #else |
74 | #define OPENMP_NOEXCEPT |
75 | #endif |
76 | |
77 | // Device overrides for non-placement new and delete. |
78 | inline void *operator new(__SIZE_TYPE__ size) { |
79 | if (size == 0) |
80 | size = 1; |
81 | return ::malloc(size); |
82 | } |
83 | |
84 | inline void *operator new[](__SIZE_TYPE__ size) { return ::operator new(size); } |
85 | |
86 | inline void operator delete(void *ptr)OPENMP_NOEXCEPT { ::free(ptr); } |
87 | |
88 | inline void operator delete[](void *ptr) OPENMP_NOEXCEPT { |
89 | ::operator delete(ptr); |
90 | } |
91 | |
92 | // Sized delete, C++14 only. |
93 | #if __cplusplus >= 201402L |
94 | inline void operator delete(void *ptr, __SIZE_TYPE__ size)OPENMP_NOEXCEPT { |
95 | ::operator delete(ptr); |
96 | } |
97 | inline void operator delete[](void *ptr, __SIZE_TYPE__ size) OPENMP_NOEXCEPT { |
98 | ::operator delete(ptr); |
99 | } |
100 | #endif |
101 | |
102 | #pragma pop_macro("OPENMP_NOEXCEPT") |
103 | #endif |
104 | |
105 | #endif |
106 |
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