clang  14.0.0git
__clang_openmp_device_functions.h
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1 /*===- __clang_openmp_device_functions.h - OpenMP device function declares -===
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.
29 
30 /// Provide definitions for these functions.
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 <stdbool.h>
44 #include <stdint.h>
45 #endif
46 
47 #define __OPENMP_AMDGCN__
48 #pragma push_macro("__device__")
49 #define __device__
50 
51 /// Include declarations for libdevice functions.
53 
54 #pragma pop_macro("__device__")
55 #undef __OPENMP_AMDGCN__
56 
57 #pragma omp end declare variant
58 #endif
59 
60 #ifdef __cplusplus
61 } // extern "C"
62 #endif
63 
64 // Ensure we make `_ZdlPv`, aka. `operator delete(void*)` available without the
65 // need to `include <new>` in C++ mode.
66 #ifdef __cplusplus
67 
68 // We require malloc/free.
69 #include <cstdlib>
70 
71 #pragma push_macro("OPENMP_NOEXCEPT")
72 #if __cplusplus >= 201103L
73 #define OPENMP_NOEXCEPT noexcept
74 #else
75 #define OPENMP_NOEXCEPT
76 #endif
77 
78 // Device overrides for non-placement new and delete.
79 inline void *operator new(__SIZE_TYPE__ size) {
80  if (size == 0)
81  size = 1;
82  return ::malloc(size);
83 }
84 
85 inline void *operator new[](__SIZE_TYPE__ size) { return ::operator new(size); }
86 
87 inline void operator delete(void *ptr)OPENMP_NOEXCEPT { ::free(ptr); }
88 
89 inline void operator delete[](void *ptr) OPENMP_NOEXCEPT {
90  ::operator delete(ptr);
91 }
92 
93 // Sized delete, C++14 only.
94 #if __cplusplus >= 201402L
95 inline void operator delete(void *ptr, __SIZE_TYPE__ size)OPENMP_NOEXCEPT {
96  ::operator delete(ptr);
97 }
98 inline void operator delete[](void *ptr, __SIZE_TYPE__ size) OPENMP_NOEXCEPT {
99  ::operator delete(ptr);
100 }
101 #endif
102 
103 #pragma pop_macro("OPENMP_NOEXCEPT")
104 #endif
105 
106 #endif
stdbool.h
__clang_cuda_libdevice_declares.h
__clang_hip_libdevice_declares.h
stdint.h
__clang_cuda_device_functions.h