1 //===--- OpenMPKinds.cpp - Token Kinds Support ----------------------------===//
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 /// \file
9 /// This file implements the OpenMP enum and support functions.
10 ///
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/Basic/OpenMPKinds.h"
14 #include "clang/Basic/IdentifierTable.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/ADT/StringSwitch.h"
17 #include "llvm/Support/ErrorHandling.h"
18 #include <cassert>
19 
20 using namespace clang;
21 using namespace llvm::omp;
22 
23 unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind,
24                                           StringRef Str) {
25   switch (Kind) {
26   case OMPC_default:
27     return llvm::StringSwitch<unsigned>(Str)
28 #define OMP_DEFAULT_KIND(Enum, Name) .Case(Name, unsigned(Enum))
29 #include "llvm/Frontend/OpenMP/OMPKinds.def"
30         .Default(unsigned(llvm::omp::OMP_DEFAULT_unknown));
31   case OMPC_proc_bind:
32     return llvm::StringSwitch<unsigned>(Str)
33 #define OMP_PROC_BIND_KIND(Enum, Name, Value) .Case(Name, Value)
34 #include "llvm/Frontend/OpenMP/OMPKinds.def"
35         .Default(unsigned(llvm::omp::OMP_PROC_BIND_unknown));
36   case OMPC_schedule:
37     return llvm::StringSwitch<unsigned>(Str)
38 #define OPENMP_SCHEDULE_KIND(Name)                                             \
39   .Case(#Name, static_cast<unsigned>(OMPC_SCHEDULE_##Name))
40 #define OPENMP_SCHEDULE_MODIFIER(Name)                                         \
41   .Case(#Name, static_cast<unsigned>(OMPC_SCHEDULE_MODIFIER_##Name))
42 #include "clang/Basic/OpenMPKinds.def"
43         .Default(OMPC_SCHEDULE_unknown);
44   case OMPC_depend:
45     return llvm::StringSwitch<OpenMPDependClauseKind>(Str)
46 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
47 #include "clang/Basic/OpenMPKinds.def"
48         .Default(OMPC_DEPEND_unknown);
49   case OMPC_linear:
50     return llvm::StringSwitch<OpenMPLinearClauseKind>(Str)
51 #define OPENMP_LINEAR_KIND(Name) .Case(#Name, OMPC_LINEAR_##Name)
52 #include "clang/Basic/OpenMPKinds.def"
53         .Default(OMPC_LINEAR_unknown);
54   case OMPC_map:
55     return llvm::StringSwitch<unsigned>(Str)
56 #define OPENMP_MAP_KIND(Name)                                                  \
57   .Case(#Name, static_cast<unsigned>(OMPC_MAP_##Name))
58 #define OPENMP_MAP_MODIFIER_KIND(Name)                                         \
59   .Case(#Name, static_cast<unsigned>(OMPC_MAP_MODIFIER_##Name))
60 #include "clang/Basic/OpenMPKinds.def"
61         .Default(OMPC_MAP_unknown);
62   case OMPC_to:
63     return llvm::StringSwitch<unsigned>(Str)
64 #define OPENMP_TO_MODIFIER_KIND(Name)                                          \
65   .Case(#Name, static_cast<unsigned>(OMPC_TO_MODIFIER_##Name))
66 #include "clang/Basic/OpenMPKinds.def"
67         .Default(OMPC_TO_MODIFIER_unknown);
68   case OMPC_from:
69     return llvm::StringSwitch<unsigned>(Str)
70 #define OPENMP_FROM_MODIFIER_KIND(Name)                                     \
71   .Case(#Name, static_cast<unsigned>(OMPC_FROM_MODIFIER_##Name))
72 #include "clang/Basic/OpenMPKinds.def"
73         .Default(OMPC_FROM_MODIFIER_unknown);
74   case OMPC_dist_schedule:
75     return llvm::StringSwitch<OpenMPDistScheduleClauseKind>(Str)
76 #define OPENMP_DIST_SCHEDULE_KIND(Name) .Case(#Name, OMPC_DIST_SCHEDULE_##Name)
77 #include "clang/Basic/OpenMPKinds.def"
78         .Default(OMPC_DIST_SCHEDULE_unknown);
79   case OMPC_defaultmap:
80     return llvm::StringSwitch<unsigned>(Str)
81 #define OPENMP_DEFAULTMAP_KIND(Name)                                           \
82   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_##Name))
83 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                       \
84   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_MODIFIER_##Name))
85 #include "clang/Basic/OpenMPKinds.def"
86         .Default(OMPC_DEFAULTMAP_unknown);
87   case OMPC_atomic_default_mem_order:
88      return llvm::StringSwitch<OpenMPAtomicDefaultMemOrderClauseKind>(Str)
89 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)       \
90   .Case(#Name, OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name)
91 #include "clang/Basic/OpenMPKinds.def"
92         .Default(OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown);
93   case OMPC_device_type:
94     return llvm::StringSwitch<OpenMPDeviceType>(Str)
95 #define OPENMP_DEVICE_TYPE_KIND(Name) .Case(#Name, OMPC_DEVICE_TYPE_##Name)
96 #include "clang/Basic/OpenMPKinds.def"
97         .Default(OMPC_DEVICE_TYPE_unknown);
98   case OMPC_lastprivate:
99     return llvm::StringSwitch<OpenMPLastprivateModifier>(Str)
100 #define OPENMP_LASTPRIVATE_KIND(Name) .Case(#Name, OMPC_LASTPRIVATE_##Name)
101 #include "clang/Basic/OpenMPKinds.def"
102         .Default(OMPC_LASTPRIVATE_unknown);
103   case OMPC_order:
104     return llvm::StringSwitch<OpenMPOrderClauseKind>(Str)
105 #define OPENMP_ORDER_KIND(Name) .Case(#Name, OMPC_ORDER_##Name)
106 #include "clang/Basic/OpenMPKinds.def"
107         .Default(OMPC_ORDER_unknown);
108   case OMPC_update:
109     return llvm::StringSwitch<OpenMPDependClauseKind>(Str)
110 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
111 #include "clang/Basic/OpenMPKinds.def"
112         .Default(OMPC_DEPEND_unknown);
113   case OMPC_device:
114     return llvm::StringSwitch<OpenMPDeviceClauseModifier>(Str)
115 #define OPENMP_DEVICE_MODIFIER(Name) .Case(#Name, OMPC_DEVICE_##Name)
116 #include "clang/Basic/OpenMPKinds.def"
117         .Default(OMPC_DEVICE_unknown);
118   case OMPC_reduction:
119     return llvm::StringSwitch<OpenMPReductionClauseModifier>(Str)
120 #define OPENMP_REDUCTION_MODIFIER(Name) .Case(#Name, OMPC_REDUCTION_##Name)
121 #include "clang/Basic/OpenMPKinds.def"
122         .Default(OMPC_REDUCTION_unknown);
123   case OMPC_unknown:
124   case OMPC_threadprivate:
125   case OMPC_if:
126   case OMPC_final:
127   case OMPC_num_threads:
128   case OMPC_safelen:
129   case OMPC_simdlen:
130   case OMPC_allocator:
131   case OMPC_allocate:
132   case OMPC_collapse:
133   case OMPC_private:
134   case OMPC_firstprivate:
135   case OMPC_shared:
136   case OMPC_task_reduction:
137   case OMPC_in_reduction:
138   case OMPC_aligned:
139   case OMPC_copyin:
140   case OMPC_copyprivate:
141   case OMPC_ordered:
142   case OMPC_nowait:
143   case OMPC_untied:
144   case OMPC_mergeable:
145   case OMPC_flush:
146   case OMPC_depobj:
147   case OMPC_read:
148   case OMPC_write:
149   case OMPC_capture:
150   case OMPC_seq_cst:
151   case OMPC_acq_rel:
152   case OMPC_acquire:
153   case OMPC_release:
154   case OMPC_relaxed:
155   case OMPC_threads:
156   case OMPC_simd:
157   case OMPC_num_teams:
158   case OMPC_thread_limit:
159   case OMPC_priority:
160   case OMPC_grainsize:
161   case OMPC_nogroup:
162   case OMPC_num_tasks:
163   case OMPC_hint:
164   case OMPC_uniform:
165   case OMPC_use_device_ptr:
166   case OMPC_is_device_ptr:
167   case OMPC_unified_address:
168   case OMPC_unified_shared_memory:
169   case OMPC_reverse_offload:
170   case OMPC_dynamic_allocators:
171   case OMPC_match:
172   case OMPC_nontemporal:
173   case OMPC_destroy:
174   case OMPC_detach:
175   case OMPC_inclusive:
176   case OMPC_exclusive:
177     break;
178   }
179   llvm_unreachable("Invalid OpenMP simple clause kind");
180 }
181 
182 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
183                                                  unsigned Type) {
184   switch (Kind) {
185   case OMPC_default:
186     switch (llvm::omp::DefaultKind(Type)) {
187 #define OMP_DEFAULT_KIND(Enum, Name)                                           \
188   case Enum:                                                                   \
189     return Name;
190 #include "llvm/Frontend/OpenMP/OMPKinds.def"
191     }
192     llvm_unreachable("Invalid OpenMP 'default' clause type");
193   case OMPC_proc_bind:
194     switch (Type) {
195 #define OMP_PROC_BIND_KIND(Enum, Name, Value)                                  \
196   case Value:                                                                  \
197     return Name;
198 #include "llvm/Frontend/OpenMP/OMPKinds.def"
199     }
200     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
201   case OMPC_schedule:
202     switch (Type) {
203     case OMPC_SCHEDULE_unknown:
204     case OMPC_SCHEDULE_MODIFIER_last:
205       return "unknown";
206 #define OPENMP_SCHEDULE_KIND(Name)                                             \
207     case OMPC_SCHEDULE_##Name:                                                 \
208       return #Name;
209 #define OPENMP_SCHEDULE_MODIFIER(Name)                                         \
210     case OMPC_SCHEDULE_MODIFIER_##Name:                                        \
211       return #Name;
212 #include "clang/Basic/OpenMPKinds.def"
213     }
214     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
215   case OMPC_depend:
216     switch (Type) {
217     case OMPC_DEPEND_unknown:
218       return "unknown";
219 #define OPENMP_DEPEND_KIND(Name)                                             \
220   case OMPC_DEPEND_##Name:                                                   \
221     return #Name;
222 #include "clang/Basic/OpenMPKinds.def"
223     }
224     llvm_unreachable("Invalid OpenMP 'depend' clause type");
225   case OMPC_linear:
226     switch (Type) {
227     case OMPC_LINEAR_unknown:
228       return "unknown";
229 #define OPENMP_LINEAR_KIND(Name)                                             \
230   case OMPC_LINEAR_##Name:                                                   \
231     return #Name;
232 #include "clang/Basic/OpenMPKinds.def"
233     }
234     llvm_unreachable("Invalid OpenMP 'linear' clause type");
235   case OMPC_map:
236     switch (Type) {
237     case OMPC_MAP_unknown:
238     case OMPC_MAP_MODIFIER_last:
239       return "unknown";
240 #define OPENMP_MAP_KIND(Name)                                                \
241   case OMPC_MAP_##Name:                                                      \
242     return #Name;
243 #define OPENMP_MAP_MODIFIER_KIND(Name)                                       \
244   case OMPC_MAP_MODIFIER_##Name:                                             \
245     return #Name;
246 #include "clang/Basic/OpenMPKinds.def"
247     default:
248       break;
249     }
250     llvm_unreachable("Invalid OpenMP 'map' clause type");
251   case OMPC_to:
252     switch (Type) {
253     case OMPC_TO_MODIFIER_unknown:
254       return "unknown";
255 #define OPENMP_TO_MODIFIER_KIND(Name)                                          \
256   case OMPC_TO_MODIFIER_##Name:                                                \
257     return #Name;
258 #include "clang/Basic/OpenMPKinds.def"
259     default:
260       break;
261     }
262     llvm_unreachable("Invalid OpenMP 'to' clause type");
263   case OMPC_from:
264     switch (Type) {
265     case OMPC_FROM_MODIFIER_unknown:
266       return "unknown";
267 #define OPENMP_FROM_MODIFIER_KIND(Name)                                        \
268   case OMPC_FROM_MODIFIER_##Name:                                              \
269     return #Name;
270 #include "clang/Basic/OpenMPKinds.def"
271     default:
272       break;
273     }
274     llvm_unreachable("Invalid OpenMP 'from' clause type");
275   case OMPC_dist_schedule:
276     switch (Type) {
277     case OMPC_DIST_SCHEDULE_unknown:
278       return "unknown";
279 #define OPENMP_DIST_SCHEDULE_KIND(Name)                                      \
280   case OMPC_DIST_SCHEDULE_##Name:                                            \
281     return #Name;
282 #include "clang/Basic/OpenMPKinds.def"
283     }
284     llvm_unreachable("Invalid OpenMP 'dist_schedule' clause type");
285   case OMPC_defaultmap:
286     switch (Type) {
287     case OMPC_DEFAULTMAP_unknown:
288     case OMPC_DEFAULTMAP_MODIFIER_last:
289       return "unknown";
290 #define OPENMP_DEFAULTMAP_KIND(Name)                                         \
291     case OMPC_DEFAULTMAP_##Name:                                             \
292       return #Name;
293 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                     \
294     case OMPC_DEFAULTMAP_MODIFIER_##Name:                                    \
295       return #Name;
296 #include "clang/Basic/OpenMPKinds.def"
297     }
298     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
299   case OMPC_atomic_default_mem_order:
300     switch (Type) {
301     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown:
302       return "unknown";
303 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)                           \
304     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name:                               \
305       return #Name;
306 #include "clang/Basic/OpenMPKinds.def"
307 }
308     llvm_unreachable("Invalid OpenMP 'atomic_default_mem_order' clause type");
309   case OMPC_device_type:
310     switch (Type) {
311     case OMPC_DEVICE_TYPE_unknown:
312       return "unknown";
313 #define OPENMP_DEVICE_TYPE_KIND(Name)                                          \
314     case OMPC_DEVICE_TYPE_##Name:                                              \
315       return #Name;
316 #include "clang/Basic/OpenMPKinds.def"
317     }
318     llvm_unreachable("Invalid OpenMP 'device_type' clause type");
319   case OMPC_lastprivate:
320     switch (Type) {
321     case OMPC_LASTPRIVATE_unknown:
322       return "unknown";
323 #define OPENMP_LASTPRIVATE_KIND(Name)                                          \
324     case OMPC_LASTPRIVATE_##Name:                                              \
325       return #Name;
326 #include "clang/Basic/OpenMPKinds.def"
327     }
328     llvm_unreachable("Invalid OpenMP 'lastprivate' clause type");
329   case OMPC_order:
330     switch (Type) {
331     case OMPC_ORDER_unknown:
332       return "unknown";
333 #define OPENMP_ORDER_KIND(Name)                                                \
334     case OMPC_ORDER_##Name:                                                    \
335       return #Name;
336 #include "clang/Basic/OpenMPKinds.def"
337     }
338     llvm_unreachable("Invalid OpenMP 'order' clause type");
339   case OMPC_update:
340     switch (Type) {
341     case OMPC_DEPEND_unknown:
342       return "unknown";
343 #define OPENMP_DEPEND_KIND(Name)                                               \
344   case OMPC_DEPEND_##Name:                                                     \
345     return #Name;
346 #include "clang/Basic/OpenMPKinds.def"
347     }
348     llvm_unreachable("Invalid OpenMP 'depend' clause type");
349   case OMPC_device:
350     switch (Type) {
351     case OMPC_DEVICE_unknown:
352       return "unknown";
353 #define OPENMP_DEVICE_MODIFIER(Name)                                           \
354   case OMPC_DEVICE_##Name:                                                     \
355     return #Name;
356 #include "clang/Basic/OpenMPKinds.def"
357     }
358     llvm_unreachable("Invalid OpenMP 'device' clause modifier");
359   case OMPC_reduction:
360     switch (Type) {
361     case OMPC_REDUCTION_unknown:
362       return "unknown";
363 #define OPENMP_REDUCTION_MODIFIER(Name)                                        \
364   case OMPC_REDUCTION_##Name:                                                  \
365     return #Name;
366 #include "clang/Basic/OpenMPKinds.def"
367     }
368     llvm_unreachable("Invalid OpenMP 'reduction' clause modifier");
369   case OMPC_unknown:
370   case OMPC_threadprivate:
371   case OMPC_if:
372   case OMPC_final:
373   case OMPC_num_threads:
374   case OMPC_safelen:
375   case OMPC_simdlen:
376   case OMPC_allocator:
377   case OMPC_allocate:
378   case OMPC_collapse:
379   case OMPC_private:
380   case OMPC_firstprivate:
381   case OMPC_shared:
382   case OMPC_task_reduction:
383   case OMPC_in_reduction:
384   case OMPC_aligned:
385   case OMPC_copyin:
386   case OMPC_copyprivate:
387   case OMPC_ordered:
388   case OMPC_nowait:
389   case OMPC_untied:
390   case OMPC_mergeable:
391   case OMPC_flush:
392   case OMPC_depobj:
393   case OMPC_read:
394   case OMPC_write:
395   case OMPC_capture:
396   case OMPC_seq_cst:
397   case OMPC_acq_rel:
398   case OMPC_acquire:
399   case OMPC_release:
400   case OMPC_relaxed:
401   case OMPC_threads:
402   case OMPC_simd:
403   case OMPC_num_teams:
404   case OMPC_thread_limit:
405   case OMPC_priority:
406   case OMPC_grainsize:
407   case OMPC_nogroup:
408   case OMPC_num_tasks:
409   case OMPC_hint:
410   case OMPC_uniform:
411   case OMPC_use_device_ptr:
412   case OMPC_is_device_ptr:
413   case OMPC_unified_address:
414   case OMPC_unified_shared_memory:
415   case OMPC_reverse_offload:
416   case OMPC_dynamic_allocators:
417   case OMPC_match:
418   case OMPC_nontemporal:
419   case OMPC_destroy:
420   case OMPC_detach:
421   case OMPC_inclusive:
422   case OMPC_exclusive:
423     break;
424   }
425   llvm_unreachable("Invalid OpenMP simple clause kind");
426 }
427 
428 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
429   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
430          DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
431          DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
432          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
433          DKind == OMPD_parallel_master_taskloop ||
434          DKind == OMPD_parallel_master_taskloop_simd ||
435          DKind == OMPD_distribute || DKind == OMPD_target_parallel_for ||
436          DKind == OMPD_distribute_parallel_for ||
437          DKind == OMPD_distribute_parallel_for_simd ||
438          DKind == OMPD_distribute_simd ||
439          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
440          DKind == OMPD_teams_distribute ||
441          DKind == OMPD_teams_distribute_simd ||
442          DKind == OMPD_teams_distribute_parallel_for_simd ||
443          DKind == OMPD_teams_distribute_parallel_for ||
444          DKind == OMPD_target_teams_distribute ||
445          DKind == OMPD_target_teams_distribute_parallel_for ||
446          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
447          DKind == OMPD_target_teams_distribute_simd;
448 }
449 
450 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
451   return DKind == OMPD_for || DKind == OMPD_for_simd ||
452          DKind == OMPD_sections || DKind == OMPD_section ||
453          DKind == OMPD_single || DKind == OMPD_parallel_for ||
454          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
455          DKind == OMPD_target_parallel_for ||
456          DKind == OMPD_distribute_parallel_for ||
457          DKind == OMPD_distribute_parallel_for_simd ||
458          DKind == OMPD_target_parallel_for_simd ||
459          DKind == OMPD_teams_distribute_parallel_for_simd ||
460          DKind == OMPD_teams_distribute_parallel_for ||
461          DKind == OMPD_target_teams_distribute_parallel_for ||
462          DKind == OMPD_target_teams_distribute_parallel_for_simd;
463 }
464 
465 bool clang::isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind) {
466   return DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
467          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
468          DKind == OMPD_parallel_master_taskloop ||
469          DKind == OMPD_parallel_master_taskloop_simd;
470 }
471 
472 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
473   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
474          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
475          DKind == OMPD_target_parallel || DKind == OMPD_target_parallel_for ||
476          DKind == OMPD_distribute_parallel_for ||
477          DKind == OMPD_distribute_parallel_for_simd ||
478          DKind == OMPD_target_parallel_for_simd ||
479          DKind == OMPD_teams_distribute_parallel_for ||
480          DKind == OMPD_teams_distribute_parallel_for_simd ||
481          DKind == OMPD_target_teams_distribute_parallel_for ||
482          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
483          DKind == OMPD_parallel_master ||
484          DKind == OMPD_parallel_master_taskloop ||
485          DKind == OMPD_parallel_master_taskloop_simd;
486 }
487 
488 bool clang::isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind) {
489   return DKind == OMPD_target || DKind == OMPD_target_parallel ||
490          DKind == OMPD_target_parallel_for ||
491          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
492          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
493          DKind == OMPD_target_teams_distribute_parallel_for ||
494          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
495          DKind == OMPD_target_teams_distribute_simd;
496 }
497 
498 bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
499   return DKind == OMPD_target_data || DKind == OMPD_target_enter_data ||
500          DKind == OMPD_target_exit_data || DKind == OMPD_target_update;
501 }
502 
503 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
504   return DKind == OMPD_teams || DKind == OMPD_teams_distribute ||
505          DKind == OMPD_teams_distribute_simd ||
506          DKind == OMPD_teams_distribute_parallel_for_simd ||
507          DKind == OMPD_teams_distribute_parallel_for;
508 }
509 
510 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
511   return isOpenMPNestingTeamsDirective(DKind) ||
512          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
513          DKind == OMPD_target_teams_distribute_parallel_for ||
514          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
515          DKind == OMPD_target_teams_distribute_simd;
516 }
517 
518 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
519   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
520          DKind == OMPD_parallel_for_simd || DKind == OMPD_taskloop_simd ||
521          DKind == OMPD_master_taskloop_simd ||
522          DKind == OMPD_parallel_master_taskloop_simd ||
523          DKind == OMPD_distribute_parallel_for_simd ||
524          DKind == OMPD_distribute_simd || DKind == OMPD_target_simd ||
525          DKind == OMPD_teams_distribute_simd ||
526          DKind == OMPD_teams_distribute_parallel_for_simd ||
527          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
528          DKind == OMPD_target_teams_distribute_simd ||
529          DKind == OMPD_target_parallel_for_simd;
530 }
531 
532 bool clang::isOpenMPNestingDistributeDirective(OpenMPDirectiveKind Kind) {
533   return Kind == OMPD_distribute || Kind == OMPD_distribute_parallel_for ||
534          Kind == OMPD_distribute_parallel_for_simd ||
535          Kind == OMPD_distribute_simd;
536   // TODO add next directives.
537 }
538 
539 bool clang::isOpenMPDistributeDirective(OpenMPDirectiveKind Kind) {
540   return isOpenMPNestingDistributeDirective(Kind) ||
541          Kind == OMPD_teams_distribute || Kind == OMPD_teams_distribute_simd ||
542          Kind == OMPD_teams_distribute_parallel_for_simd ||
543          Kind == OMPD_teams_distribute_parallel_for ||
544          Kind == OMPD_target_teams_distribute ||
545          Kind == OMPD_target_teams_distribute_parallel_for ||
546          Kind == OMPD_target_teams_distribute_parallel_for_simd ||
547          Kind == OMPD_target_teams_distribute_simd;
548 }
549 
550 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
551   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
552          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
553          Kind == OMPC_reduction || Kind == OMPC_task_reduction ||
554          Kind == OMPC_in_reduction; // TODO add next clauses like 'reduction'.
555 }
556 
557 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
558   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
559 }
560 
561 bool clang::isOpenMPTaskingDirective(OpenMPDirectiveKind Kind) {
562   return Kind == OMPD_task || isOpenMPTaskLoopDirective(Kind);
563 }
564 
565 bool clang::isOpenMPLoopBoundSharingDirective(OpenMPDirectiveKind Kind) {
566   return Kind == OMPD_distribute_parallel_for ||
567          Kind == OMPD_distribute_parallel_for_simd ||
568          Kind == OMPD_teams_distribute_parallel_for_simd ||
569          Kind == OMPD_teams_distribute_parallel_for ||
570          Kind == OMPD_target_teams_distribute_parallel_for ||
571          Kind == OMPD_target_teams_distribute_parallel_for_simd;
572 }
573 
574 void clang::getOpenMPCaptureRegions(
575     SmallVectorImpl<OpenMPDirectiveKind> &CaptureRegions,
576     OpenMPDirectiveKind DKind) {
577   assert(DKind <= OMPD_unknown);
578   switch (DKind) {
579   case OMPD_parallel:
580   case OMPD_parallel_for:
581   case OMPD_parallel_for_simd:
582   case OMPD_parallel_master:
583   case OMPD_parallel_sections:
584   case OMPD_distribute_parallel_for:
585   case OMPD_distribute_parallel_for_simd:
586     CaptureRegions.push_back(OMPD_parallel);
587     break;
588   case OMPD_target_teams:
589   case OMPD_target_teams_distribute:
590   case OMPD_target_teams_distribute_simd:
591     CaptureRegions.push_back(OMPD_task);
592     CaptureRegions.push_back(OMPD_target);
593     CaptureRegions.push_back(OMPD_teams);
594     break;
595   case OMPD_teams:
596   case OMPD_teams_distribute:
597   case OMPD_teams_distribute_simd:
598     CaptureRegions.push_back(OMPD_teams);
599     break;
600   case OMPD_target:
601   case OMPD_target_simd:
602     CaptureRegions.push_back(OMPD_task);
603     CaptureRegions.push_back(OMPD_target);
604     break;
605   case OMPD_teams_distribute_parallel_for:
606   case OMPD_teams_distribute_parallel_for_simd:
607     CaptureRegions.push_back(OMPD_teams);
608     CaptureRegions.push_back(OMPD_parallel);
609     break;
610   case OMPD_target_parallel:
611   case OMPD_target_parallel_for:
612   case OMPD_target_parallel_for_simd:
613     CaptureRegions.push_back(OMPD_task);
614     CaptureRegions.push_back(OMPD_target);
615     CaptureRegions.push_back(OMPD_parallel);
616     break;
617   case OMPD_task:
618   case OMPD_target_enter_data:
619   case OMPD_target_exit_data:
620   case OMPD_target_update:
621     CaptureRegions.push_back(OMPD_task);
622     break;
623   case OMPD_taskloop:
624   case OMPD_taskloop_simd:
625   case OMPD_master_taskloop:
626   case OMPD_master_taskloop_simd:
627     CaptureRegions.push_back(OMPD_taskloop);
628     break;
629   case OMPD_parallel_master_taskloop:
630   case OMPD_parallel_master_taskloop_simd:
631     CaptureRegions.push_back(OMPD_parallel);
632     CaptureRegions.push_back(OMPD_taskloop);
633     break;
634   case OMPD_target_teams_distribute_parallel_for:
635   case OMPD_target_teams_distribute_parallel_for_simd:
636     CaptureRegions.push_back(OMPD_task);
637     CaptureRegions.push_back(OMPD_target);
638     CaptureRegions.push_back(OMPD_teams);
639     CaptureRegions.push_back(OMPD_parallel);
640     break;
641   case OMPD_simd:
642   case OMPD_for:
643   case OMPD_for_simd:
644   case OMPD_sections:
645   case OMPD_section:
646   case OMPD_single:
647   case OMPD_master:
648   case OMPD_critical:
649   case OMPD_taskgroup:
650   case OMPD_distribute:
651   case OMPD_ordered:
652   case OMPD_atomic:
653   case OMPD_target_data:
654   case OMPD_distribute_simd:
655     CaptureRegions.push_back(OMPD_unknown);
656     break;
657   case OMPD_threadprivate:
658   case OMPD_allocate:
659   case OMPD_taskyield:
660   case OMPD_barrier:
661   case OMPD_taskwait:
662   case OMPD_cancellation_point:
663   case OMPD_cancel:
664   case OMPD_flush:
665   case OMPD_depobj:
666   case OMPD_scan:
667   case OMPD_declare_reduction:
668   case OMPD_declare_mapper:
669   case OMPD_declare_simd:
670   case OMPD_declare_target:
671   case OMPD_end_declare_target:
672   case OMPD_requires:
673   case OMPD_declare_variant:
674   case OMPD_begin_declare_variant:
675   case OMPD_end_declare_variant:
676     llvm_unreachable("OpenMP Directive is not allowed");
677   case OMPD_unknown:
678     llvm_unreachable("Unknown OpenMP directive");
679   }
680 }
681