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                                           const LangOptions &LangOpts) {
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     unsigned Type = llvm::StringSwitch<unsigned>(Str)
46 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
47 #include "clang/Basic/OpenMPKinds.def"
48                         .Default(OMPC_DEPEND_unknown);
49     if (LangOpts.OpenMP < 51 && Type == OMPC_DEPEND_inoutset)
50       return OMPC_DEPEND_unknown;
51     return Type;
52   }
53   case OMPC_linear:
54     return llvm::StringSwitch<OpenMPLinearClauseKind>(Str)
55 #define OPENMP_LINEAR_KIND(Name) .Case(#Name, OMPC_LINEAR_##Name)
56 #include "clang/Basic/OpenMPKinds.def"
57         .Default(OMPC_LINEAR_unknown);
58   case OMPC_map: {
59     unsigned Type = llvm::StringSwitch<unsigned>(Str)
60 #define OPENMP_MAP_KIND(Name)                                                  \
61   .Case(#Name, static_cast<unsigned>(OMPC_MAP_##Name))
62 #define OPENMP_MAP_MODIFIER_KIND(Name)                                         \
63   .Case(#Name, static_cast<unsigned>(OMPC_MAP_MODIFIER_##Name))
64 #include "clang/Basic/OpenMPKinds.def"
65         .Default(OMPC_MAP_unknown);
66     if (LangOpts.OpenMP < 51 && Type == OMPC_MAP_MODIFIER_present)
67       return OMPC_MAP_MODIFIER_unknown;
68     if (!LangOpts.OpenMPExtensions && Type == OMPC_MAP_MODIFIER_ompx_hold)
69       return OMPC_MAP_MODIFIER_unknown;
70     return Type;
71   }
72   case OMPC_to:
73   case OMPC_from: {
74     unsigned Type = llvm::StringSwitch<unsigned>(Str)
75 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
76   .Case(#Name, static_cast<unsigned>(OMPC_MOTION_MODIFIER_##Name))
77 #include "clang/Basic/OpenMPKinds.def"
78         .Default(OMPC_MOTION_MODIFIER_unknown);
79     if (LangOpts.OpenMP < 51 && Type == OMPC_MOTION_MODIFIER_present)
80       return OMPC_MOTION_MODIFIER_unknown;
81     return Type;
82   }
83   case OMPC_dist_schedule:
84     return llvm::StringSwitch<OpenMPDistScheduleClauseKind>(Str)
85 #define OPENMP_DIST_SCHEDULE_KIND(Name) .Case(#Name, OMPC_DIST_SCHEDULE_##Name)
86 #include "clang/Basic/OpenMPKinds.def"
87         .Default(OMPC_DIST_SCHEDULE_unknown);
88   case OMPC_defaultmap:
89     return llvm::StringSwitch<unsigned>(Str)
90 #define OPENMP_DEFAULTMAP_KIND(Name)                                           \
91   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_##Name))
92 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                       \
93   .Case(#Name, static_cast<unsigned>(OMPC_DEFAULTMAP_MODIFIER_##Name))
94 #include "clang/Basic/OpenMPKinds.def"
95         .Default(OMPC_DEFAULTMAP_unknown);
96   case OMPC_atomic_default_mem_order:
97      return llvm::StringSwitch<OpenMPAtomicDefaultMemOrderClauseKind>(Str)
98 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)       \
99   .Case(#Name, OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name)
100 #include "clang/Basic/OpenMPKinds.def"
101         .Default(OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown);
102   case OMPC_device_type:
103     return llvm::StringSwitch<OpenMPDeviceType>(Str)
104 #define OPENMP_DEVICE_TYPE_KIND(Name) .Case(#Name, OMPC_DEVICE_TYPE_##Name)
105 #include "clang/Basic/OpenMPKinds.def"
106         .Default(OMPC_DEVICE_TYPE_unknown);
107   case OMPC_lastprivate:
108     return llvm::StringSwitch<OpenMPLastprivateModifier>(Str)
109 #define OPENMP_LASTPRIVATE_KIND(Name) .Case(#Name, OMPC_LASTPRIVATE_##Name)
110 #include "clang/Basic/OpenMPKinds.def"
111         .Default(OMPC_LASTPRIVATE_unknown);
112   case OMPC_order:
113     return llvm::StringSwitch<OpenMPOrderClauseKind>(Str)
114 #define OPENMP_ORDER_KIND(Name) .Case(#Name, OMPC_ORDER_##Name)
115 #include "clang/Basic/OpenMPKinds.def"
116         .Default(OMPC_ORDER_unknown);
117   case OMPC_update:
118     return llvm::StringSwitch<OpenMPDependClauseKind>(Str)
119 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
120 #include "clang/Basic/OpenMPKinds.def"
121         .Default(OMPC_DEPEND_unknown);
122   case OMPC_device:
123     return llvm::StringSwitch<OpenMPDeviceClauseModifier>(Str)
124 #define OPENMP_DEVICE_MODIFIER(Name) .Case(#Name, OMPC_DEVICE_##Name)
125 #include "clang/Basic/OpenMPKinds.def"
126         .Default(OMPC_DEVICE_unknown);
127   case OMPC_reduction:
128     return llvm::StringSwitch<OpenMPReductionClauseModifier>(Str)
129 #define OPENMP_REDUCTION_MODIFIER(Name) .Case(#Name, OMPC_REDUCTION_##Name)
130 #include "clang/Basic/OpenMPKinds.def"
131         .Default(OMPC_REDUCTION_unknown);
132   case OMPC_adjust_args:
133     return llvm::StringSwitch<OpenMPAdjustArgsOpKind>(Str)
134 #define OPENMP_ADJUST_ARGS_KIND(Name) .Case(#Name, OMPC_ADJUST_ARGS_##Name)
135 #include "clang/Basic/OpenMPKinds.def"
136         .Default(OMPC_ADJUST_ARGS_unknown);
137   case OMPC_bind:
138     return llvm::StringSwitch<unsigned>(Str)
139 #define OPENMP_BIND_KIND(Name) .Case(#Name, OMPC_BIND_##Name)
140 #include "clang/Basic/OpenMPKinds.def"
141         .Default(OMPC_BIND_unknown);
142   case OMPC_unknown:
143   case OMPC_threadprivate:
144   case OMPC_if:
145   case OMPC_final:
146   case OMPC_num_threads:
147   case OMPC_safelen:
148   case OMPC_simdlen:
149   case OMPC_sizes:
150   case OMPC_allocator:
151   case OMPC_allocate:
152   case OMPC_collapse:
153   case OMPC_private:
154   case OMPC_firstprivate:
155   case OMPC_shared:
156   case OMPC_task_reduction:
157   case OMPC_in_reduction:
158   case OMPC_aligned:
159   case OMPC_copyin:
160   case OMPC_copyprivate:
161   case OMPC_ordered:
162   case OMPC_nowait:
163   case OMPC_untied:
164   case OMPC_mergeable:
165   case OMPC_flush:
166   case OMPC_depobj:
167   case OMPC_read:
168   case OMPC_write:
169   case OMPC_capture:
170   case OMPC_compare:
171   case OMPC_seq_cst:
172   case OMPC_acq_rel:
173   case OMPC_acquire:
174   case OMPC_release:
175   case OMPC_relaxed:
176   case OMPC_threads:
177   case OMPC_simd:
178   case OMPC_num_teams:
179   case OMPC_thread_limit:
180   case OMPC_priority:
181   case OMPC_grainsize:
182   case OMPC_nogroup:
183   case OMPC_num_tasks:
184   case OMPC_hint:
185   case OMPC_uniform:
186   case OMPC_use_device_ptr:
187   case OMPC_use_device_addr:
188   case OMPC_is_device_ptr:
189   case OMPC_unified_address:
190   case OMPC_unified_shared_memory:
191   case OMPC_reverse_offload:
192   case OMPC_dynamic_allocators:
193   case OMPC_match:
194   case OMPC_nontemporal:
195   case OMPC_destroy:
196   case OMPC_novariants:
197   case OMPC_nocontext:
198   case OMPC_detach:
199   case OMPC_inclusive:
200   case OMPC_exclusive:
201   case OMPC_uses_allocators:
202   case OMPC_affinity:
203   case OMPC_when:
204   case OMPC_append_args:
205     break;
206   default:
207     break;
208   }
209   llvm_unreachable("Invalid OpenMP simple clause kind");
210 }
211 
212 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
213                                                  unsigned Type) {
214   switch (Kind) {
215   case OMPC_default:
216     switch (llvm::omp::DefaultKind(Type)) {
217 #define OMP_DEFAULT_KIND(Enum, Name)                                           \
218   case Enum:                                                                   \
219     return Name;
220 #include "llvm/Frontend/OpenMP/OMPKinds.def"
221     }
222     llvm_unreachable("Invalid OpenMP 'default' clause type");
223   case OMPC_proc_bind:
224     switch (Type) {
225 #define OMP_PROC_BIND_KIND(Enum, Name, Value)                                  \
226   case Value:                                                                  \
227     return Name;
228 #include "llvm/Frontend/OpenMP/OMPKinds.def"
229     }
230     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
231   case OMPC_schedule:
232     switch (Type) {
233     case OMPC_SCHEDULE_unknown:
234     case OMPC_SCHEDULE_MODIFIER_last:
235       return "unknown";
236 #define OPENMP_SCHEDULE_KIND(Name)                                             \
237     case OMPC_SCHEDULE_##Name:                                                 \
238       return #Name;
239 #define OPENMP_SCHEDULE_MODIFIER(Name)                                         \
240     case OMPC_SCHEDULE_MODIFIER_##Name:                                        \
241       return #Name;
242 #include "clang/Basic/OpenMPKinds.def"
243     }
244     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
245   case OMPC_depend:
246     switch (Type) {
247     case OMPC_DEPEND_unknown:
248       return "unknown";
249 #define OPENMP_DEPEND_KIND(Name)                                             \
250   case OMPC_DEPEND_##Name:                                                   \
251     return #Name;
252 #include "clang/Basic/OpenMPKinds.def"
253     }
254     llvm_unreachable("Invalid OpenMP 'depend' clause type");
255   case OMPC_linear:
256     switch (Type) {
257     case OMPC_LINEAR_unknown:
258       return "unknown";
259 #define OPENMP_LINEAR_KIND(Name)                                             \
260   case OMPC_LINEAR_##Name:                                                   \
261     return #Name;
262 #include "clang/Basic/OpenMPKinds.def"
263     }
264     llvm_unreachable("Invalid OpenMP 'linear' clause type");
265   case OMPC_map:
266     switch (Type) {
267     case OMPC_MAP_unknown:
268     case OMPC_MAP_MODIFIER_last:
269       return "unknown";
270 #define OPENMP_MAP_KIND(Name)                                                \
271   case OMPC_MAP_##Name:                                                      \
272     return #Name;
273 #define OPENMP_MAP_MODIFIER_KIND(Name)                                       \
274   case OMPC_MAP_MODIFIER_##Name:                                             \
275     return #Name;
276 #include "clang/Basic/OpenMPKinds.def"
277     default:
278       break;
279     }
280     llvm_unreachable("Invalid OpenMP 'map' clause type");
281   case OMPC_to:
282   case OMPC_from:
283     switch (Type) {
284     case OMPC_MOTION_MODIFIER_unknown:
285       return "unknown";
286 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
287   case OMPC_MOTION_MODIFIER_##Name:                                            \
288     return #Name;
289 #include "clang/Basic/OpenMPKinds.def"
290     default:
291       break;
292     }
293     llvm_unreachable("Invalid OpenMP 'to' or 'from' clause type");
294   case OMPC_dist_schedule:
295     switch (Type) {
296     case OMPC_DIST_SCHEDULE_unknown:
297       return "unknown";
298 #define OPENMP_DIST_SCHEDULE_KIND(Name)                                      \
299   case OMPC_DIST_SCHEDULE_##Name:                                            \
300     return #Name;
301 #include "clang/Basic/OpenMPKinds.def"
302     }
303     llvm_unreachable("Invalid OpenMP 'dist_schedule' clause type");
304   case OMPC_defaultmap:
305     switch (Type) {
306     case OMPC_DEFAULTMAP_unknown:
307     case OMPC_DEFAULTMAP_MODIFIER_last:
308       return "unknown";
309 #define OPENMP_DEFAULTMAP_KIND(Name)                                         \
310     case OMPC_DEFAULTMAP_##Name:                                             \
311       return #Name;
312 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                     \
313     case OMPC_DEFAULTMAP_MODIFIER_##Name:                                    \
314       return #Name;
315 #include "clang/Basic/OpenMPKinds.def"
316     }
317     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
318   case OMPC_atomic_default_mem_order:
319     switch (Type) {
320     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown:
321       return "unknown";
322 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)                           \
323     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name:                               \
324       return #Name;
325 #include "clang/Basic/OpenMPKinds.def"
326 }
327     llvm_unreachable("Invalid OpenMP 'atomic_default_mem_order' clause type");
328   case OMPC_device_type:
329     switch (Type) {
330     case OMPC_DEVICE_TYPE_unknown:
331       return "unknown";
332 #define OPENMP_DEVICE_TYPE_KIND(Name)                                          \
333     case OMPC_DEVICE_TYPE_##Name:                                              \
334       return #Name;
335 #include "clang/Basic/OpenMPKinds.def"
336     }
337     llvm_unreachable("Invalid OpenMP 'device_type' clause type");
338   case OMPC_lastprivate:
339     switch (Type) {
340     case OMPC_LASTPRIVATE_unknown:
341       return "unknown";
342 #define OPENMP_LASTPRIVATE_KIND(Name)                                          \
343     case OMPC_LASTPRIVATE_##Name:                                              \
344       return #Name;
345 #include "clang/Basic/OpenMPKinds.def"
346     }
347     llvm_unreachable("Invalid OpenMP 'lastprivate' clause type");
348   case OMPC_order:
349     switch (Type) {
350     case OMPC_ORDER_unknown:
351       return "unknown";
352 #define OPENMP_ORDER_KIND(Name)                                                \
353     case OMPC_ORDER_##Name:                                                    \
354       return #Name;
355 #include "clang/Basic/OpenMPKinds.def"
356     }
357     llvm_unreachable("Invalid OpenMP 'order' clause type");
358   case OMPC_update:
359     switch (Type) {
360     case OMPC_DEPEND_unknown:
361       return "unknown";
362 #define OPENMP_DEPEND_KIND(Name)                                               \
363   case OMPC_DEPEND_##Name:                                                     \
364     return #Name;
365 #include "clang/Basic/OpenMPKinds.def"
366     }
367     llvm_unreachable("Invalid OpenMP 'depend' clause type");
368   case OMPC_device:
369     switch (Type) {
370     case OMPC_DEVICE_unknown:
371       return "unknown";
372 #define OPENMP_DEVICE_MODIFIER(Name)                                           \
373   case OMPC_DEVICE_##Name:                                                     \
374     return #Name;
375 #include "clang/Basic/OpenMPKinds.def"
376     }
377     llvm_unreachable("Invalid OpenMP 'device' clause modifier");
378   case OMPC_reduction:
379     switch (Type) {
380     case OMPC_REDUCTION_unknown:
381       return "unknown";
382 #define OPENMP_REDUCTION_MODIFIER(Name)                                        \
383   case OMPC_REDUCTION_##Name:                                                  \
384     return #Name;
385 #include "clang/Basic/OpenMPKinds.def"
386     }
387     llvm_unreachable("Invalid OpenMP 'reduction' clause modifier");
388   case OMPC_adjust_args:
389     switch (Type) {
390     case OMPC_ADJUST_ARGS_unknown:
391       return "unknown";
392 #define OPENMP_ADJUST_ARGS_KIND(Name)                                          \
393   case OMPC_ADJUST_ARGS_##Name:                                                \
394     return #Name;
395 #include "clang/Basic/OpenMPKinds.def"
396     }
397     llvm_unreachable("Invalid OpenMP 'adjust_args' clause kind");
398   case OMPC_bind:
399     switch (Type) {
400     case OMPC_BIND_unknown:
401       return "unknown";
402 #define OPENMP_BIND_KIND(Name)                                                 \
403   case OMPC_BIND_##Name:                                                       \
404     return #Name;
405 #include "clang/Basic/OpenMPKinds.def"
406     }
407     llvm_unreachable("Invalid OpenMP 'bind' clause type");
408   case OMPC_unknown:
409   case OMPC_threadprivate:
410   case OMPC_if:
411   case OMPC_final:
412   case OMPC_num_threads:
413   case OMPC_safelen:
414   case OMPC_simdlen:
415   case OMPC_sizes:
416   case OMPC_allocator:
417   case OMPC_allocate:
418   case OMPC_collapse:
419   case OMPC_private:
420   case OMPC_firstprivate:
421   case OMPC_shared:
422   case OMPC_task_reduction:
423   case OMPC_in_reduction:
424   case OMPC_aligned:
425   case OMPC_copyin:
426   case OMPC_copyprivate:
427   case OMPC_ordered:
428   case OMPC_nowait:
429   case OMPC_untied:
430   case OMPC_mergeable:
431   case OMPC_flush:
432   case OMPC_depobj:
433   case OMPC_read:
434   case OMPC_write:
435   case OMPC_capture:
436   case OMPC_compare:
437   case OMPC_seq_cst:
438   case OMPC_acq_rel:
439   case OMPC_acquire:
440   case OMPC_release:
441   case OMPC_relaxed:
442   case OMPC_threads:
443   case OMPC_simd:
444   case OMPC_num_teams:
445   case OMPC_thread_limit:
446   case OMPC_priority:
447   case OMPC_grainsize:
448   case OMPC_nogroup:
449   case OMPC_num_tasks:
450   case OMPC_hint:
451   case OMPC_uniform:
452   case OMPC_use_device_ptr:
453   case OMPC_use_device_addr:
454   case OMPC_is_device_ptr:
455   case OMPC_unified_address:
456   case OMPC_unified_shared_memory:
457   case OMPC_reverse_offload:
458   case OMPC_dynamic_allocators:
459   case OMPC_match:
460   case OMPC_nontemporal:
461   case OMPC_destroy:
462   case OMPC_detach:
463   case OMPC_novariants:
464   case OMPC_nocontext:
465   case OMPC_inclusive:
466   case OMPC_exclusive:
467   case OMPC_uses_allocators:
468   case OMPC_affinity:
469   case OMPC_when:
470   case OMPC_append_args:
471     break;
472   default:
473     break;
474   }
475   llvm_unreachable("Invalid OpenMP simple clause kind");
476 }
477 
478 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
479   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
480          DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
481          DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
482          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
483          DKind == OMPD_parallel_master_taskloop ||
484          DKind == OMPD_parallel_master_taskloop_simd ||
485          DKind == OMPD_distribute || DKind == OMPD_target_parallel_for ||
486          DKind == OMPD_distribute_parallel_for ||
487          DKind == OMPD_distribute_parallel_for_simd ||
488          DKind == OMPD_distribute_simd ||
489          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
490          DKind == OMPD_teams_distribute ||
491          DKind == OMPD_teams_distribute_simd ||
492          DKind == OMPD_teams_distribute_parallel_for_simd ||
493          DKind == OMPD_teams_distribute_parallel_for ||
494          DKind == OMPD_target_teams_distribute ||
495          DKind == OMPD_target_teams_distribute_parallel_for ||
496          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
497          DKind == OMPD_target_teams_distribute_simd || DKind == OMPD_tile ||
498          DKind == OMPD_unroll || DKind == OMPD_loop ||
499          DKind == OMPD_teams_loop || DKind == OMPD_target_teams_loop ||
500          DKind == OMPD_parallel_loop || DKind == OMPD_target_parallel_loop;
501 }
502 
503 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
504   return DKind == OMPD_for || DKind == OMPD_for_simd ||
505          DKind == OMPD_sections || DKind == OMPD_section ||
506          DKind == OMPD_single || DKind == OMPD_parallel_for ||
507          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
508          DKind == OMPD_target_parallel_for ||
509          DKind == OMPD_distribute_parallel_for ||
510          DKind == OMPD_distribute_parallel_for_simd ||
511          DKind == OMPD_target_parallel_for_simd ||
512          DKind == OMPD_teams_distribute_parallel_for_simd ||
513          DKind == OMPD_teams_distribute_parallel_for ||
514          DKind == OMPD_target_teams_distribute_parallel_for ||
515          DKind == OMPD_target_teams_distribute_parallel_for_simd;
516 }
517 
518 bool clang::isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind) {
519   return DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
520          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
521          DKind == OMPD_parallel_master_taskloop ||
522          DKind == OMPD_parallel_master_taskloop_simd;
523 }
524 
525 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
526   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
527          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
528          DKind == OMPD_target_parallel || DKind == OMPD_target_parallel_for ||
529          DKind == OMPD_distribute_parallel_for ||
530          DKind == OMPD_distribute_parallel_for_simd ||
531          DKind == OMPD_target_parallel_for_simd ||
532          DKind == OMPD_teams_distribute_parallel_for ||
533          DKind == OMPD_teams_distribute_parallel_for_simd ||
534          DKind == OMPD_target_teams_distribute_parallel_for ||
535          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
536          DKind == OMPD_parallel_master ||
537          DKind == OMPD_parallel_master_taskloop ||
538          DKind == OMPD_parallel_master_taskloop_simd ||
539          DKind == OMPD_parallel_loop || DKind == OMPD_target_parallel_loop;
540 }
541 
542 bool clang::isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind) {
543   return DKind == OMPD_target || DKind == OMPD_target_parallel ||
544          DKind == OMPD_target_parallel_for ||
545          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
546          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
547          DKind == OMPD_target_teams_distribute_parallel_for ||
548          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
549          DKind == OMPD_target_teams_distribute_simd ||
550          DKind == OMPD_target_teams_loop || DKind == OMPD_target_parallel_loop;
551 }
552 
553 bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
554   return DKind == OMPD_target_data || DKind == OMPD_target_enter_data ||
555          DKind == OMPD_target_exit_data || DKind == OMPD_target_update;
556 }
557 
558 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
559   return DKind == OMPD_teams || DKind == OMPD_teams_distribute ||
560          DKind == OMPD_teams_distribute_simd ||
561          DKind == OMPD_teams_distribute_parallel_for_simd ||
562          DKind == OMPD_teams_distribute_parallel_for ||
563          DKind == OMPD_teams_loop;
564 }
565 
566 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
567   return isOpenMPNestingTeamsDirective(DKind) || DKind == OMPD_target_teams ||
568          DKind == OMPD_target_teams_distribute ||
569          DKind == OMPD_target_teams_distribute_parallel_for ||
570          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
571          DKind == OMPD_target_teams_distribute_simd ||
572          DKind == OMPD_target_teams_loop;
573 }
574 
575 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
576   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
577          DKind == OMPD_parallel_for_simd || DKind == OMPD_taskloop_simd ||
578          DKind == OMPD_master_taskloop_simd ||
579          DKind == OMPD_parallel_master_taskloop_simd ||
580          DKind == OMPD_distribute_parallel_for_simd ||
581          DKind == OMPD_distribute_simd || DKind == OMPD_target_simd ||
582          DKind == OMPD_teams_distribute_simd ||
583          DKind == OMPD_teams_distribute_parallel_for_simd ||
584          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
585          DKind == OMPD_target_teams_distribute_simd ||
586          DKind == OMPD_target_parallel_for_simd;
587 }
588 
589 bool clang::isOpenMPNestingDistributeDirective(OpenMPDirectiveKind Kind) {
590   return Kind == OMPD_distribute || Kind == OMPD_distribute_parallel_for ||
591          Kind == OMPD_distribute_parallel_for_simd ||
592          Kind == OMPD_distribute_simd;
593   // TODO add next directives.
594 }
595 
596 bool clang::isOpenMPDistributeDirective(OpenMPDirectiveKind Kind) {
597   return isOpenMPNestingDistributeDirective(Kind) ||
598          Kind == OMPD_teams_distribute || Kind == OMPD_teams_distribute_simd ||
599          Kind == OMPD_teams_distribute_parallel_for_simd ||
600          Kind == OMPD_teams_distribute_parallel_for ||
601          Kind == OMPD_target_teams_distribute ||
602          Kind == OMPD_target_teams_distribute_parallel_for ||
603          Kind == OMPD_target_teams_distribute_parallel_for_simd ||
604          Kind == OMPD_target_teams_distribute_simd;
605 }
606 
607 bool clang::isOpenMPGenericLoopDirective(OpenMPDirectiveKind Kind) {
608   return Kind == OMPD_loop || Kind == OMPD_teams_loop ||
609          Kind == OMPD_target_teams_loop || Kind == OMPD_parallel_loop ||
610          Kind == OMPD_target_parallel_loop;
611 }
612 
613 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
614   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
615          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
616          Kind == OMPC_reduction || Kind == OMPC_task_reduction ||
617          Kind == OMPC_in_reduction; // TODO add next clauses like 'reduction'.
618 }
619 
620 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
621   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
622 }
623 
624 bool clang::isOpenMPTaskingDirective(OpenMPDirectiveKind Kind) {
625   return Kind == OMPD_task || isOpenMPTaskLoopDirective(Kind);
626 }
627 
628 bool clang::isOpenMPLoopBoundSharingDirective(OpenMPDirectiveKind Kind) {
629   return Kind == OMPD_distribute_parallel_for ||
630          Kind == OMPD_distribute_parallel_for_simd ||
631          Kind == OMPD_teams_distribute_parallel_for_simd ||
632          Kind == OMPD_teams_distribute_parallel_for ||
633          Kind == OMPD_target_teams_distribute_parallel_for ||
634          Kind == OMPD_target_teams_distribute_parallel_for_simd;
635 }
636 
637 bool clang::isOpenMPLoopTransformationDirective(OpenMPDirectiveKind DKind) {
638   return DKind == OMPD_tile || DKind == OMPD_unroll;
639 }
640 
641 void clang::getOpenMPCaptureRegions(
642     SmallVectorImpl<OpenMPDirectiveKind> &CaptureRegions,
643     OpenMPDirectiveKind DKind) {
644   assert(unsigned(DKind) < llvm::omp::Directive_enumSize);
645   switch (DKind) {
646   case OMPD_metadirective:
647     CaptureRegions.push_back(OMPD_metadirective);
648     break;
649   case OMPD_parallel:
650   case OMPD_parallel_for:
651   case OMPD_parallel_for_simd:
652   case OMPD_parallel_master:
653   case OMPD_parallel_sections:
654   case OMPD_distribute_parallel_for:
655   case OMPD_distribute_parallel_for_simd:
656   case OMPD_parallel_loop:
657     CaptureRegions.push_back(OMPD_parallel);
658     break;
659   case OMPD_target_teams:
660   case OMPD_target_teams_distribute:
661   case OMPD_target_teams_distribute_simd:
662   case OMPD_target_teams_loop:
663     CaptureRegions.push_back(OMPD_task);
664     CaptureRegions.push_back(OMPD_target);
665     CaptureRegions.push_back(OMPD_teams);
666     break;
667   case OMPD_teams:
668   case OMPD_teams_distribute:
669   case OMPD_teams_distribute_simd:
670     CaptureRegions.push_back(OMPD_teams);
671     break;
672   case OMPD_target:
673   case OMPD_target_simd:
674     CaptureRegions.push_back(OMPD_task);
675     CaptureRegions.push_back(OMPD_target);
676     break;
677   case OMPD_teams_distribute_parallel_for:
678   case OMPD_teams_distribute_parallel_for_simd:
679     CaptureRegions.push_back(OMPD_teams);
680     CaptureRegions.push_back(OMPD_parallel);
681     break;
682   case OMPD_target_parallel:
683   case OMPD_target_parallel_for:
684   case OMPD_target_parallel_for_simd:
685   case OMPD_target_parallel_loop:
686     CaptureRegions.push_back(OMPD_task);
687     CaptureRegions.push_back(OMPD_target);
688     CaptureRegions.push_back(OMPD_parallel);
689     break;
690   case OMPD_task:
691   case OMPD_target_enter_data:
692   case OMPD_target_exit_data:
693   case OMPD_target_update:
694     CaptureRegions.push_back(OMPD_task);
695     break;
696   case OMPD_taskloop:
697   case OMPD_taskloop_simd:
698   case OMPD_master_taskloop:
699   case OMPD_master_taskloop_simd:
700     CaptureRegions.push_back(OMPD_taskloop);
701     break;
702   case OMPD_parallel_master_taskloop:
703   case OMPD_parallel_master_taskloop_simd:
704     CaptureRegions.push_back(OMPD_parallel);
705     CaptureRegions.push_back(OMPD_taskloop);
706     break;
707   case OMPD_target_teams_distribute_parallel_for:
708   case OMPD_target_teams_distribute_parallel_for_simd:
709     CaptureRegions.push_back(OMPD_task);
710     CaptureRegions.push_back(OMPD_target);
711     CaptureRegions.push_back(OMPD_teams);
712     CaptureRegions.push_back(OMPD_parallel);
713     break;
714   case OMPD_teams_loop:
715     CaptureRegions.push_back(OMPD_teams);
716     break;
717   case OMPD_loop:
718     // TODO: 'loop' may require different capture regions depending on the bind
719     // clause or the parent directive when there is no bind clause. Use
720     // OMPD_unknown for now.
721   case OMPD_simd:
722   case OMPD_for:
723   case OMPD_for_simd:
724   case OMPD_sections:
725   case OMPD_section:
726   case OMPD_single:
727   case OMPD_master:
728   case OMPD_critical:
729   case OMPD_taskgroup:
730   case OMPD_distribute:
731   case OMPD_ordered:
732   case OMPD_atomic:
733   case OMPD_target_data:
734   case OMPD_distribute_simd:
735   case OMPD_dispatch:
736     CaptureRegions.push_back(OMPD_unknown);
737     break;
738   case OMPD_tile:
739   case OMPD_unroll:
740     // loop transformations do not introduce captures.
741     break;
742   case OMPD_threadprivate:
743   case OMPD_allocate:
744   case OMPD_taskyield:
745   case OMPD_barrier:
746   case OMPD_taskwait:
747   case OMPD_cancellation_point:
748   case OMPD_cancel:
749   case OMPD_flush:
750   case OMPD_depobj:
751   case OMPD_scan:
752   case OMPD_declare_reduction:
753   case OMPD_declare_mapper:
754   case OMPD_declare_simd:
755   case OMPD_declare_target:
756   case OMPD_end_declare_target:
757   case OMPD_requires:
758   case OMPD_declare_variant:
759   case OMPD_begin_declare_variant:
760   case OMPD_end_declare_variant:
761     llvm_unreachable("OpenMP Directive is not allowed");
762   case OMPD_unknown:
763   default:
764     llvm_unreachable("Unknown OpenMP directive");
765   }
766 }
767