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, StringRef Str,
24                                           unsigned OpenMPVersion) {
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     unsigned Type = 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     if (OpenMPVersion < 51 && Type == OMPC_MAP_MODIFIER_present)
63       return OMPC_MAP_MODIFIER_unknown;
64     return Type;
65   }
66   case OMPC_to:
67   case OMPC_from: {
68     unsigned Type = llvm::StringSwitch<unsigned>(Str)
69 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
70   .Case(#Name, static_cast<unsigned>(OMPC_MOTION_MODIFIER_##Name))
71 #include "clang/Basic/OpenMPKinds.def"
72         .Default(OMPC_MOTION_MODIFIER_unknown);
73     if (OpenMPVersion < 51 && Type == OMPC_MOTION_MODIFIER_present)
74       return OMPC_MOTION_MODIFIER_unknown;
75     return Type;
76   }
77   case OMPC_dist_schedule:
78     return llvm::StringSwitch<OpenMPDistScheduleClauseKind>(Str)
79 #define OPENMP_DIST_SCHEDULE_KIND(Name) .Case(#Name, OMPC_DIST_SCHEDULE_##Name)
80 #include "clang/Basic/OpenMPKinds.def"
81         .Default(OMPC_DIST_SCHEDULE_unknown);
82   case OMPC_defaultmap:
83     return llvm::StringSwitch<unsigned>(Str)
84 #define OPENMP_DEFAULTMAP_KIND(Name)                                           \
85   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_##Name))
86 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                       \
87   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_MODIFIER_##Name))
88 #include "clang/Basic/OpenMPKinds.def"
89         .Default(OMPC_DEFAULTMAP_unknown);
90   case OMPC_atomic_default_mem_order:
91      return llvm::StringSwitch<OpenMPAtomicDefaultMemOrderClauseKind>(Str)
92 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)       \
93   .Case(#Name, OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name)
94 #include "clang/Basic/OpenMPKinds.def"
95         .Default(OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown);
96   case OMPC_device_type:
97     return llvm::StringSwitch<OpenMPDeviceType>(Str)
98 #define OPENMP_DEVICE_TYPE_KIND(Name) .Case(#Name, OMPC_DEVICE_TYPE_##Name)
99 #include "clang/Basic/OpenMPKinds.def"
100         .Default(OMPC_DEVICE_TYPE_unknown);
101   case OMPC_lastprivate:
102     return llvm::StringSwitch<OpenMPLastprivateModifier>(Str)
103 #define OPENMP_LASTPRIVATE_KIND(Name) .Case(#Name, OMPC_LASTPRIVATE_##Name)
104 #include "clang/Basic/OpenMPKinds.def"
105         .Default(OMPC_LASTPRIVATE_unknown);
106   case OMPC_order:
107     return llvm::StringSwitch<OpenMPOrderClauseKind>(Str)
108 #define OPENMP_ORDER_KIND(Name) .Case(#Name, OMPC_ORDER_##Name)
109 #include "clang/Basic/OpenMPKinds.def"
110         .Default(OMPC_ORDER_unknown);
111   case OMPC_update:
112     return llvm::StringSwitch<OpenMPDependClauseKind>(Str)
113 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
114 #include "clang/Basic/OpenMPKinds.def"
115         .Default(OMPC_DEPEND_unknown);
116   case OMPC_device:
117     return llvm::StringSwitch<OpenMPDeviceClauseModifier>(Str)
118 #define OPENMP_DEVICE_MODIFIER(Name) .Case(#Name, OMPC_DEVICE_##Name)
119 #include "clang/Basic/OpenMPKinds.def"
120         .Default(OMPC_DEVICE_unknown);
121   case OMPC_reduction:
122     return llvm::StringSwitch<OpenMPReductionClauseModifier>(Str)
123 #define OPENMP_REDUCTION_MODIFIER(Name) .Case(#Name, OMPC_REDUCTION_##Name)
124 #include "clang/Basic/OpenMPKinds.def"
125         .Default(OMPC_REDUCTION_unknown);
126   case OMPC_unknown:
127   case OMPC_threadprivate:
128   case OMPC_if:
129   case OMPC_final:
130   case OMPC_num_threads:
131   case OMPC_safelen:
132   case OMPC_simdlen:
133   case OMPC_sizes:
134   case OMPC_allocator:
135   case OMPC_allocate:
136   case OMPC_collapse:
137   case OMPC_private:
138   case OMPC_firstprivate:
139   case OMPC_shared:
140   case OMPC_task_reduction:
141   case OMPC_in_reduction:
142   case OMPC_aligned:
143   case OMPC_copyin:
144   case OMPC_copyprivate:
145   case OMPC_ordered:
146   case OMPC_nowait:
147   case OMPC_untied:
148   case OMPC_mergeable:
149   case OMPC_flush:
150   case OMPC_depobj:
151   case OMPC_read:
152   case OMPC_write:
153   case OMPC_capture:
154   case OMPC_seq_cst:
155   case OMPC_acq_rel:
156   case OMPC_acquire:
157   case OMPC_release:
158   case OMPC_relaxed:
159   case OMPC_threads:
160   case OMPC_simd:
161   case OMPC_num_teams:
162   case OMPC_thread_limit:
163   case OMPC_priority:
164   case OMPC_grainsize:
165   case OMPC_nogroup:
166   case OMPC_num_tasks:
167   case OMPC_hint:
168   case OMPC_uniform:
169   case OMPC_use_device_ptr:
170   case OMPC_use_device_addr:
171   case OMPC_is_device_ptr:
172   case OMPC_unified_address:
173   case OMPC_unified_shared_memory:
174   case OMPC_reverse_offload:
175   case OMPC_dynamic_allocators:
176   case OMPC_match:
177   case OMPC_nontemporal:
178   case OMPC_destroy:
179   case OMPC_novariants:
180   case OMPC_detach:
181   case OMPC_inclusive:
182   case OMPC_exclusive:
183   case OMPC_uses_allocators:
184   case OMPC_affinity:
185     break;
186   default:
187     break;
188   }
189   llvm_unreachable("Invalid OpenMP simple clause kind");
190 }
191 
192 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
193                                                  unsigned Type) {
194   switch (Kind) {
195   case OMPC_default:
196     switch (llvm::omp::DefaultKind(Type)) {
197 #define OMP_DEFAULT_KIND(Enum, Name)                                           \
198   case Enum:                                                                   \
199     return Name;
200 #include "llvm/Frontend/OpenMP/OMPKinds.def"
201     }
202     llvm_unreachable("Invalid OpenMP 'default' clause type");
203   case OMPC_proc_bind:
204     switch (Type) {
205 #define OMP_PROC_BIND_KIND(Enum, Name, Value)                                  \
206   case Value:                                                                  \
207     return Name;
208 #include "llvm/Frontend/OpenMP/OMPKinds.def"
209     }
210     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
211   case OMPC_schedule:
212     switch (Type) {
213     case OMPC_SCHEDULE_unknown:
214     case OMPC_SCHEDULE_MODIFIER_last:
215       return "unknown";
216 #define OPENMP_SCHEDULE_KIND(Name)                                             \
217     case OMPC_SCHEDULE_##Name:                                                 \
218       return #Name;
219 #define OPENMP_SCHEDULE_MODIFIER(Name)                                         \
220     case OMPC_SCHEDULE_MODIFIER_##Name:                                        \
221       return #Name;
222 #include "clang/Basic/OpenMPKinds.def"
223     }
224     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
225   case OMPC_depend:
226     switch (Type) {
227     case OMPC_DEPEND_unknown:
228       return "unknown";
229 #define OPENMP_DEPEND_KIND(Name)                                             \
230   case OMPC_DEPEND_##Name:                                                   \
231     return #Name;
232 #include "clang/Basic/OpenMPKinds.def"
233     }
234     llvm_unreachable("Invalid OpenMP 'depend' clause type");
235   case OMPC_linear:
236     switch (Type) {
237     case OMPC_LINEAR_unknown:
238       return "unknown";
239 #define OPENMP_LINEAR_KIND(Name)                                             \
240   case OMPC_LINEAR_##Name:                                                   \
241     return #Name;
242 #include "clang/Basic/OpenMPKinds.def"
243     }
244     llvm_unreachable("Invalid OpenMP 'linear' clause type");
245   case OMPC_map:
246     switch (Type) {
247     case OMPC_MAP_unknown:
248     case OMPC_MAP_MODIFIER_last:
249       return "unknown";
250 #define OPENMP_MAP_KIND(Name)                                                \
251   case OMPC_MAP_##Name:                                                      \
252     return #Name;
253 #define OPENMP_MAP_MODIFIER_KIND(Name)                                       \
254   case OMPC_MAP_MODIFIER_##Name:                                             \
255     return #Name;
256 #include "clang/Basic/OpenMPKinds.def"
257     default:
258       break;
259     }
260     llvm_unreachable("Invalid OpenMP 'map' clause type");
261   case OMPC_to:
262   case OMPC_from:
263     switch (Type) {
264     case OMPC_MOTION_MODIFIER_unknown:
265       return "unknown";
266 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
267   case OMPC_MOTION_MODIFIER_##Name:                                            \
268     return #Name;
269 #include "clang/Basic/OpenMPKinds.def"
270     default:
271       break;
272     }
273     llvm_unreachable("Invalid OpenMP 'to' or 'from' clause type");
274   case OMPC_dist_schedule:
275     switch (Type) {
276     case OMPC_DIST_SCHEDULE_unknown:
277       return "unknown";
278 #define OPENMP_DIST_SCHEDULE_KIND(Name)                                      \
279   case OMPC_DIST_SCHEDULE_##Name:                                            \
280     return #Name;
281 #include "clang/Basic/OpenMPKinds.def"
282     }
283     llvm_unreachable("Invalid OpenMP 'dist_schedule' clause type");
284   case OMPC_defaultmap:
285     switch (Type) {
286     case OMPC_DEFAULTMAP_unknown:
287     case OMPC_DEFAULTMAP_MODIFIER_last:
288       return "unknown";
289 #define OPENMP_DEFAULTMAP_KIND(Name)                                         \
290     case OMPC_DEFAULTMAP_##Name:                                             \
291       return #Name;
292 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                     \
293     case OMPC_DEFAULTMAP_MODIFIER_##Name:                                    \
294       return #Name;
295 #include "clang/Basic/OpenMPKinds.def"
296     }
297     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
298   case OMPC_atomic_default_mem_order:
299     switch (Type) {
300     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown:
301       return "unknown";
302 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)                           \
303     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name:                               \
304       return #Name;
305 #include "clang/Basic/OpenMPKinds.def"
306 }
307     llvm_unreachable("Invalid OpenMP 'atomic_default_mem_order' clause type");
308   case OMPC_device_type:
309     switch (Type) {
310     case OMPC_DEVICE_TYPE_unknown:
311       return "unknown";
312 #define OPENMP_DEVICE_TYPE_KIND(Name)                                          \
313     case OMPC_DEVICE_TYPE_##Name:                                              \
314       return #Name;
315 #include "clang/Basic/OpenMPKinds.def"
316     }
317     llvm_unreachable("Invalid OpenMP 'device_type' clause type");
318   case OMPC_lastprivate:
319     switch (Type) {
320     case OMPC_LASTPRIVATE_unknown:
321       return "unknown";
322 #define OPENMP_LASTPRIVATE_KIND(Name)                                          \
323     case OMPC_LASTPRIVATE_##Name:                                              \
324       return #Name;
325 #include "clang/Basic/OpenMPKinds.def"
326     }
327     llvm_unreachable("Invalid OpenMP 'lastprivate' clause type");
328   case OMPC_order:
329     switch (Type) {
330     case OMPC_ORDER_unknown:
331       return "unknown";
332 #define OPENMP_ORDER_KIND(Name)                                                \
333     case OMPC_ORDER_##Name:                                                    \
334       return #Name;
335 #include "clang/Basic/OpenMPKinds.def"
336     }
337     llvm_unreachable("Invalid OpenMP 'order' clause type");
338   case OMPC_update:
339     switch (Type) {
340     case OMPC_DEPEND_unknown:
341       return "unknown";
342 #define OPENMP_DEPEND_KIND(Name)                                               \
343   case OMPC_DEPEND_##Name:                                                     \
344     return #Name;
345 #include "clang/Basic/OpenMPKinds.def"
346     }
347     llvm_unreachable("Invalid OpenMP 'depend' clause type");
348   case OMPC_device:
349     switch (Type) {
350     case OMPC_DEVICE_unknown:
351       return "unknown";
352 #define OPENMP_DEVICE_MODIFIER(Name)                                           \
353   case OMPC_DEVICE_##Name:                                                     \
354     return #Name;
355 #include "clang/Basic/OpenMPKinds.def"
356     }
357     llvm_unreachable("Invalid OpenMP 'device' clause modifier");
358   case OMPC_reduction:
359     switch (Type) {
360     case OMPC_REDUCTION_unknown:
361       return "unknown";
362 #define OPENMP_REDUCTION_MODIFIER(Name)                                        \
363   case OMPC_REDUCTION_##Name:                                                  \
364     return #Name;
365 #include "clang/Basic/OpenMPKinds.def"
366     }
367     llvm_unreachable("Invalid OpenMP 'reduction' clause modifier");
368   case OMPC_unknown:
369   case OMPC_threadprivate:
370   case OMPC_if:
371   case OMPC_final:
372   case OMPC_num_threads:
373   case OMPC_safelen:
374   case OMPC_simdlen:
375   case OMPC_sizes:
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_use_device_addr:
413   case OMPC_is_device_ptr:
414   case OMPC_unified_address:
415   case OMPC_unified_shared_memory:
416   case OMPC_reverse_offload:
417   case OMPC_dynamic_allocators:
418   case OMPC_match:
419   case OMPC_nontemporal:
420   case OMPC_destroy:
421   case OMPC_detach:
422   case OMPC_novariants:
423   case OMPC_inclusive:
424   case OMPC_exclusive:
425   case OMPC_uses_allocators:
426   case OMPC_affinity:
427     break;
428   default:
429     break;
430   }
431   llvm_unreachable("Invalid OpenMP simple clause kind");
432 }
433 
434 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
435   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
436          DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
437          DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
438          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
439          DKind == OMPD_parallel_master_taskloop ||
440          DKind == OMPD_parallel_master_taskloop_simd ||
441          DKind == OMPD_distribute || DKind == OMPD_target_parallel_for ||
442          DKind == OMPD_distribute_parallel_for ||
443          DKind == OMPD_distribute_parallel_for_simd ||
444          DKind == OMPD_distribute_simd ||
445          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
446          DKind == OMPD_teams_distribute ||
447          DKind == OMPD_teams_distribute_simd ||
448          DKind == OMPD_teams_distribute_parallel_for_simd ||
449          DKind == OMPD_teams_distribute_parallel_for ||
450          DKind == OMPD_target_teams_distribute ||
451          DKind == OMPD_target_teams_distribute_parallel_for ||
452          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
453          DKind == OMPD_target_teams_distribute_simd || DKind == OMPD_tile;
454 }
455 
456 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
457   return DKind == OMPD_for || DKind == OMPD_for_simd ||
458          DKind == OMPD_sections || DKind == OMPD_section ||
459          DKind == OMPD_single || DKind == OMPD_parallel_for ||
460          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
461          DKind == OMPD_target_parallel_for ||
462          DKind == OMPD_distribute_parallel_for ||
463          DKind == OMPD_distribute_parallel_for_simd ||
464          DKind == OMPD_target_parallel_for_simd ||
465          DKind == OMPD_teams_distribute_parallel_for_simd ||
466          DKind == OMPD_teams_distribute_parallel_for ||
467          DKind == OMPD_target_teams_distribute_parallel_for ||
468          DKind == OMPD_target_teams_distribute_parallel_for_simd;
469 }
470 
471 bool clang::isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind) {
472   return DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
473          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
474          DKind == OMPD_parallel_master_taskloop ||
475          DKind == OMPD_parallel_master_taskloop_simd;
476 }
477 
478 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
479   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
480          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
481          DKind == OMPD_target_parallel || DKind == OMPD_target_parallel_for ||
482          DKind == OMPD_distribute_parallel_for ||
483          DKind == OMPD_distribute_parallel_for_simd ||
484          DKind == OMPD_target_parallel_for_simd ||
485          DKind == OMPD_teams_distribute_parallel_for ||
486          DKind == OMPD_teams_distribute_parallel_for_simd ||
487          DKind == OMPD_target_teams_distribute_parallel_for ||
488          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
489          DKind == OMPD_parallel_master ||
490          DKind == OMPD_parallel_master_taskloop ||
491          DKind == OMPD_parallel_master_taskloop_simd;
492 }
493 
494 bool clang::isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind) {
495   return DKind == OMPD_target || DKind == OMPD_target_parallel ||
496          DKind == OMPD_target_parallel_for ||
497          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
498          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
499          DKind == OMPD_target_teams_distribute_parallel_for ||
500          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
501          DKind == OMPD_target_teams_distribute_simd;
502 }
503 
504 bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
505   return DKind == OMPD_target_data || DKind == OMPD_target_enter_data ||
506          DKind == OMPD_target_exit_data || DKind == OMPD_target_update;
507 }
508 
509 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
510   return DKind == OMPD_teams || DKind == OMPD_teams_distribute ||
511          DKind == OMPD_teams_distribute_simd ||
512          DKind == OMPD_teams_distribute_parallel_for_simd ||
513          DKind == OMPD_teams_distribute_parallel_for;
514 }
515 
516 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
517   return isOpenMPNestingTeamsDirective(DKind) ||
518          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
519          DKind == OMPD_target_teams_distribute_parallel_for ||
520          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
521          DKind == OMPD_target_teams_distribute_simd;
522 }
523 
524 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
525   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
526          DKind == OMPD_parallel_for_simd || DKind == OMPD_taskloop_simd ||
527          DKind == OMPD_master_taskloop_simd ||
528          DKind == OMPD_parallel_master_taskloop_simd ||
529          DKind == OMPD_distribute_parallel_for_simd ||
530          DKind == OMPD_distribute_simd || DKind == OMPD_target_simd ||
531          DKind == OMPD_teams_distribute_simd ||
532          DKind == OMPD_teams_distribute_parallel_for_simd ||
533          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
534          DKind == OMPD_target_teams_distribute_simd ||
535          DKind == OMPD_target_parallel_for_simd;
536 }
537 
538 bool clang::isOpenMPNestingDistributeDirective(OpenMPDirectiveKind Kind) {
539   return Kind == OMPD_distribute || Kind == OMPD_distribute_parallel_for ||
540          Kind == OMPD_distribute_parallel_for_simd ||
541          Kind == OMPD_distribute_simd;
542   // TODO add next directives.
543 }
544 
545 bool clang::isOpenMPDistributeDirective(OpenMPDirectiveKind Kind) {
546   return isOpenMPNestingDistributeDirective(Kind) ||
547          Kind == OMPD_teams_distribute || Kind == OMPD_teams_distribute_simd ||
548          Kind == OMPD_teams_distribute_parallel_for_simd ||
549          Kind == OMPD_teams_distribute_parallel_for ||
550          Kind == OMPD_target_teams_distribute ||
551          Kind == OMPD_target_teams_distribute_parallel_for ||
552          Kind == OMPD_target_teams_distribute_parallel_for_simd ||
553          Kind == OMPD_target_teams_distribute_simd;
554 }
555 
556 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
557   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
558          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
559          Kind == OMPC_reduction || Kind == OMPC_task_reduction ||
560          Kind == OMPC_in_reduction; // TODO add next clauses like 'reduction'.
561 }
562 
563 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
564   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
565 }
566 
567 bool clang::isOpenMPTaskingDirective(OpenMPDirectiveKind Kind) {
568   return Kind == OMPD_task || isOpenMPTaskLoopDirective(Kind);
569 }
570 
571 bool clang::isOpenMPLoopBoundSharingDirective(OpenMPDirectiveKind Kind) {
572   return Kind == OMPD_distribute_parallel_for ||
573          Kind == OMPD_distribute_parallel_for_simd ||
574          Kind == OMPD_teams_distribute_parallel_for_simd ||
575          Kind == OMPD_teams_distribute_parallel_for ||
576          Kind == OMPD_target_teams_distribute_parallel_for ||
577          Kind == OMPD_target_teams_distribute_parallel_for_simd;
578 }
579 
580 bool clang::isOpenMPLoopTransformationDirective(OpenMPDirectiveKind DKind) {
581   return DKind == OMPD_tile;
582 }
583 
584 void clang::getOpenMPCaptureRegions(
585     SmallVectorImpl<OpenMPDirectiveKind> &CaptureRegions,
586     OpenMPDirectiveKind DKind) {
587   assert(unsigned(DKind) < llvm::omp::Directive_enumSize);
588   switch (DKind) {
589   case OMPD_parallel:
590   case OMPD_parallel_for:
591   case OMPD_parallel_for_simd:
592   case OMPD_parallel_master:
593   case OMPD_parallel_sections:
594   case OMPD_distribute_parallel_for:
595   case OMPD_distribute_parallel_for_simd:
596     CaptureRegions.push_back(OMPD_parallel);
597     break;
598   case OMPD_target_teams:
599   case OMPD_target_teams_distribute:
600   case OMPD_target_teams_distribute_simd:
601     CaptureRegions.push_back(OMPD_task);
602     CaptureRegions.push_back(OMPD_target);
603     CaptureRegions.push_back(OMPD_teams);
604     break;
605   case OMPD_teams:
606   case OMPD_teams_distribute:
607   case OMPD_teams_distribute_simd:
608     CaptureRegions.push_back(OMPD_teams);
609     break;
610   case OMPD_target:
611   case OMPD_target_simd:
612     CaptureRegions.push_back(OMPD_task);
613     CaptureRegions.push_back(OMPD_target);
614     break;
615   case OMPD_teams_distribute_parallel_for:
616   case OMPD_teams_distribute_parallel_for_simd:
617     CaptureRegions.push_back(OMPD_teams);
618     CaptureRegions.push_back(OMPD_parallel);
619     break;
620   case OMPD_target_parallel:
621   case OMPD_target_parallel_for:
622   case OMPD_target_parallel_for_simd:
623     CaptureRegions.push_back(OMPD_task);
624     CaptureRegions.push_back(OMPD_target);
625     CaptureRegions.push_back(OMPD_parallel);
626     break;
627   case OMPD_task:
628   case OMPD_target_enter_data:
629   case OMPD_target_exit_data:
630   case OMPD_target_update:
631     CaptureRegions.push_back(OMPD_task);
632     break;
633   case OMPD_taskloop:
634   case OMPD_taskloop_simd:
635   case OMPD_master_taskloop:
636   case OMPD_master_taskloop_simd:
637     CaptureRegions.push_back(OMPD_taskloop);
638     break;
639   case OMPD_parallel_master_taskloop:
640   case OMPD_parallel_master_taskloop_simd:
641     CaptureRegions.push_back(OMPD_parallel);
642     CaptureRegions.push_back(OMPD_taskloop);
643     break;
644   case OMPD_target_teams_distribute_parallel_for:
645   case OMPD_target_teams_distribute_parallel_for_simd:
646     CaptureRegions.push_back(OMPD_task);
647     CaptureRegions.push_back(OMPD_target);
648     CaptureRegions.push_back(OMPD_teams);
649     CaptureRegions.push_back(OMPD_parallel);
650     break;
651   case OMPD_simd:
652   case OMPD_for:
653   case OMPD_for_simd:
654   case OMPD_sections:
655   case OMPD_section:
656   case OMPD_single:
657   case OMPD_master:
658   case OMPD_critical:
659   case OMPD_taskgroup:
660   case OMPD_distribute:
661   case OMPD_ordered:
662   case OMPD_atomic:
663   case OMPD_target_data:
664   case OMPD_distribute_simd:
665   case OMPD_dispatch:
666     CaptureRegions.push_back(OMPD_unknown);
667     break;
668   case OMPD_tile:
669     // loop transformations do not introduce captures.
670     break;
671   case OMPD_threadprivate:
672   case OMPD_allocate:
673   case OMPD_taskyield:
674   case OMPD_barrier:
675   case OMPD_taskwait:
676   case OMPD_cancellation_point:
677   case OMPD_cancel:
678   case OMPD_flush:
679   case OMPD_depobj:
680   case OMPD_scan:
681   case OMPD_declare_reduction:
682   case OMPD_declare_mapper:
683   case OMPD_declare_simd:
684   case OMPD_declare_target:
685   case OMPD_end_declare_target:
686   case OMPD_requires:
687   case OMPD_declare_variant:
688   case OMPD_begin_declare_variant:
689   case OMPD_end_declare_variant:
690     llvm_unreachable("OpenMP Directive is not allowed");
691   case OMPD_unknown:
692   default:
693     llvm_unreachable("Unknown OpenMP directive");
694   }
695 }
696