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_has_device_addr:
190   case OMPC_unified_address:
191   case OMPC_unified_shared_memory:
192   case OMPC_reverse_offload:
193   case OMPC_dynamic_allocators:
194   case OMPC_match:
195   case OMPC_nontemporal:
196   case OMPC_destroy:
197   case OMPC_novariants:
198   case OMPC_nocontext:
199   case OMPC_detach:
200   case OMPC_inclusive:
201   case OMPC_exclusive:
202   case OMPC_uses_allocators:
203   case OMPC_affinity:
204   case OMPC_when:
205   case OMPC_append_args:
206     break;
207   default:
208     break;
209   }
210   llvm_unreachable("Invalid OpenMP simple clause kind");
211 }
212 
213 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
214                                                  unsigned Type) {
215   switch (Kind) {
216   case OMPC_default:
217     switch (llvm::omp::DefaultKind(Type)) {
218 #define OMP_DEFAULT_KIND(Enum, Name)                                           \
219   case Enum:                                                                   \
220     return Name;
221 #include "llvm/Frontend/OpenMP/OMPKinds.def"
222     }
223     llvm_unreachable("Invalid OpenMP 'default' clause type");
224   case OMPC_proc_bind:
225     switch (Type) {
226 #define OMP_PROC_BIND_KIND(Enum, Name, Value)                                  \
227   case Value:                                                                  \
228     return Name;
229 #include "llvm/Frontend/OpenMP/OMPKinds.def"
230     }
231     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
232   case OMPC_schedule:
233     switch (Type) {
234     case OMPC_SCHEDULE_unknown:
235     case OMPC_SCHEDULE_MODIFIER_last:
236       return "unknown";
237 #define OPENMP_SCHEDULE_KIND(Name)                                             \
238     case OMPC_SCHEDULE_##Name:                                                 \
239       return #Name;
240 #define OPENMP_SCHEDULE_MODIFIER(Name)                                         \
241     case OMPC_SCHEDULE_MODIFIER_##Name:                                        \
242       return #Name;
243 #include "clang/Basic/OpenMPKinds.def"
244     }
245     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
246   case OMPC_depend:
247     switch (Type) {
248     case OMPC_DEPEND_unknown:
249       return "unknown";
250 #define OPENMP_DEPEND_KIND(Name)                                             \
251   case OMPC_DEPEND_##Name:                                                   \
252     return #Name;
253 #include "clang/Basic/OpenMPKinds.def"
254     }
255     llvm_unreachable("Invalid OpenMP 'depend' clause type");
256   case OMPC_linear:
257     switch (Type) {
258     case OMPC_LINEAR_unknown:
259       return "unknown";
260 #define OPENMP_LINEAR_KIND(Name)                                             \
261   case OMPC_LINEAR_##Name:                                                   \
262     return #Name;
263 #include "clang/Basic/OpenMPKinds.def"
264     }
265     llvm_unreachable("Invalid OpenMP 'linear' clause type");
266   case OMPC_map:
267     switch (Type) {
268     case OMPC_MAP_unknown:
269     case OMPC_MAP_MODIFIER_last:
270       return "unknown";
271 #define OPENMP_MAP_KIND(Name)                                                \
272   case OMPC_MAP_##Name:                                                      \
273     return #Name;
274 #define OPENMP_MAP_MODIFIER_KIND(Name)                                       \
275   case OMPC_MAP_MODIFIER_##Name:                                             \
276     return #Name;
277 #include "clang/Basic/OpenMPKinds.def"
278     default:
279       break;
280     }
281     llvm_unreachable("Invalid OpenMP 'map' clause type");
282   case OMPC_to:
283   case OMPC_from:
284     switch (Type) {
285     case OMPC_MOTION_MODIFIER_unknown:
286       return "unknown";
287 #define OPENMP_MOTION_MODIFIER_KIND(Name)                                      \
288   case OMPC_MOTION_MODIFIER_##Name:                                            \
289     return #Name;
290 #include "clang/Basic/OpenMPKinds.def"
291     default:
292       break;
293     }
294     llvm_unreachable("Invalid OpenMP 'to' or 'from' clause type");
295   case OMPC_dist_schedule:
296     switch (Type) {
297     case OMPC_DIST_SCHEDULE_unknown:
298       return "unknown";
299 #define OPENMP_DIST_SCHEDULE_KIND(Name)                                      \
300   case OMPC_DIST_SCHEDULE_##Name:                                            \
301     return #Name;
302 #include "clang/Basic/OpenMPKinds.def"
303     }
304     llvm_unreachable("Invalid OpenMP 'dist_schedule' clause type");
305   case OMPC_defaultmap:
306     switch (Type) {
307     case OMPC_DEFAULTMAP_unknown:
308     case OMPC_DEFAULTMAP_MODIFIER_last:
309       return "unknown";
310 #define OPENMP_DEFAULTMAP_KIND(Name)                                         \
311     case OMPC_DEFAULTMAP_##Name:                                             \
312       return #Name;
313 #define OPENMP_DEFAULTMAP_MODIFIER(Name)                                     \
314     case OMPC_DEFAULTMAP_MODIFIER_##Name:                                    \
315       return #Name;
316 #include "clang/Basic/OpenMPKinds.def"
317     }
318     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
319   case OMPC_atomic_default_mem_order:
320     switch (Type) {
321     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown:
322       return "unknown";
323 #define OPENMP_ATOMIC_DEFAULT_MEM_ORDER_KIND(Name)                           \
324     case OMPC_ATOMIC_DEFAULT_MEM_ORDER_##Name:                               \
325       return #Name;
326 #include "clang/Basic/OpenMPKinds.def"
327 }
328     llvm_unreachable("Invalid OpenMP 'atomic_default_mem_order' clause type");
329   case OMPC_device_type:
330     switch (Type) {
331     case OMPC_DEVICE_TYPE_unknown:
332       return "unknown";
333 #define OPENMP_DEVICE_TYPE_KIND(Name)                                          \
334     case OMPC_DEVICE_TYPE_##Name:                                              \
335       return #Name;
336 #include "clang/Basic/OpenMPKinds.def"
337     }
338     llvm_unreachable("Invalid OpenMP 'device_type' clause type");
339   case OMPC_lastprivate:
340     switch (Type) {
341     case OMPC_LASTPRIVATE_unknown:
342       return "unknown";
343 #define OPENMP_LASTPRIVATE_KIND(Name)                                          \
344     case OMPC_LASTPRIVATE_##Name:                                              \
345       return #Name;
346 #include "clang/Basic/OpenMPKinds.def"
347     }
348     llvm_unreachable("Invalid OpenMP 'lastprivate' clause type");
349   case OMPC_order:
350     switch (Type) {
351     case OMPC_ORDER_unknown:
352       return "unknown";
353 #define OPENMP_ORDER_KIND(Name)                                                \
354     case OMPC_ORDER_##Name:                                                    \
355       return #Name;
356 #include "clang/Basic/OpenMPKinds.def"
357     }
358     llvm_unreachable("Invalid OpenMP 'order' clause type");
359   case OMPC_update:
360     switch (Type) {
361     case OMPC_DEPEND_unknown:
362       return "unknown";
363 #define OPENMP_DEPEND_KIND(Name)                                               \
364   case OMPC_DEPEND_##Name:                                                     \
365     return #Name;
366 #include "clang/Basic/OpenMPKinds.def"
367     }
368     llvm_unreachable("Invalid OpenMP 'depend' clause type");
369   case OMPC_device:
370     switch (Type) {
371     case OMPC_DEVICE_unknown:
372       return "unknown";
373 #define OPENMP_DEVICE_MODIFIER(Name)                                           \
374   case OMPC_DEVICE_##Name:                                                     \
375     return #Name;
376 #include "clang/Basic/OpenMPKinds.def"
377     }
378     llvm_unreachable("Invalid OpenMP 'device' clause modifier");
379   case OMPC_reduction:
380     switch (Type) {
381     case OMPC_REDUCTION_unknown:
382       return "unknown";
383 #define OPENMP_REDUCTION_MODIFIER(Name)                                        \
384   case OMPC_REDUCTION_##Name:                                                  \
385     return #Name;
386 #include "clang/Basic/OpenMPKinds.def"
387     }
388     llvm_unreachable("Invalid OpenMP 'reduction' clause modifier");
389   case OMPC_adjust_args:
390     switch (Type) {
391     case OMPC_ADJUST_ARGS_unknown:
392       return "unknown";
393 #define OPENMP_ADJUST_ARGS_KIND(Name)                                          \
394   case OMPC_ADJUST_ARGS_##Name:                                                \
395     return #Name;
396 #include "clang/Basic/OpenMPKinds.def"
397     }
398     llvm_unreachable("Invalid OpenMP 'adjust_args' clause kind");
399   case OMPC_bind:
400     switch (Type) {
401     case OMPC_BIND_unknown:
402       return "unknown";
403 #define OPENMP_BIND_KIND(Name)                                                 \
404   case OMPC_BIND_##Name:                                                       \
405     return #Name;
406 #include "clang/Basic/OpenMPKinds.def"
407     }
408     llvm_unreachable("Invalid OpenMP 'bind' clause type");
409   case OMPC_unknown:
410   case OMPC_threadprivate:
411   case OMPC_if:
412   case OMPC_final:
413   case OMPC_num_threads:
414   case OMPC_safelen:
415   case OMPC_simdlen:
416   case OMPC_sizes:
417   case OMPC_allocator:
418   case OMPC_allocate:
419   case OMPC_collapse:
420   case OMPC_private:
421   case OMPC_firstprivate:
422   case OMPC_shared:
423   case OMPC_task_reduction:
424   case OMPC_in_reduction:
425   case OMPC_aligned:
426   case OMPC_copyin:
427   case OMPC_copyprivate:
428   case OMPC_ordered:
429   case OMPC_nowait:
430   case OMPC_untied:
431   case OMPC_mergeable:
432   case OMPC_flush:
433   case OMPC_depobj:
434   case OMPC_read:
435   case OMPC_write:
436   case OMPC_capture:
437   case OMPC_compare:
438   case OMPC_seq_cst:
439   case OMPC_acq_rel:
440   case OMPC_acquire:
441   case OMPC_release:
442   case OMPC_relaxed:
443   case OMPC_threads:
444   case OMPC_simd:
445   case OMPC_num_teams:
446   case OMPC_thread_limit:
447   case OMPC_priority:
448   case OMPC_grainsize:
449   case OMPC_nogroup:
450   case OMPC_num_tasks:
451   case OMPC_hint:
452   case OMPC_uniform:
453   case OMPC_use_device_ptr:
454   case OMPC_use_device_addr:
455   case OMPC_is_device_ptr:
456   case OMPC_has_device_addr:
457   case OMPC_unified_address:
458   case OMPC_unified_shared_memory:
459   case OMPC_reverse_offload:
460   case OMPC_dynamic_allocators:
461   case OMPC_match:
462   case OMPC_nontemporal:
463   case OMPC_destroy:
464   case OMPC_detach:
465   case OMPC_novariants:
466   case OMPC_nocontext:
467   case OMPC_inclusive:
468   case OMPC_exclusive:
469   case OMPC_uses_allocators:
470   case OMPC_affinity:
471   case OMPC_when:
472   case OMPC_append_args:
473     break;
474   default:
475     break;
476   }
477   llvm_unreachable("Invalid OpenMP simple clause kind");
478 }
479 
480 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
481   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
482          DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
483          DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
484          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
485          DKind == OMPD_parallel_master_taskloop ||
486          DKind == OMPD_parallel_master_taskloop_simd ||
487          DKind == OMPD_distribute || DKind == OMPD_target_parallel_for ||
488          DKind == OMPD_distribute_parallel_for ||
489          DKind == OMPD_distribute_parallel_for_simd ||
490          DKind == OMPD_distribute_simd ||
491          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
492          DKind == OMPD_teams_distribute ||
493          DKind == OMPD_teams_distribute_simd ||
494          DKind == OMPD_teams_distribute_parallel_for_simd ||
495          DKind == OMPD_teams_distribute_parallel_for ||
496          DKind == OMPD_target_teams_distribute ||
497          DKind == OMPD_target_teams_distribute_parallel_for ||
498          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
499          DKind == OMPD_target_teams_distribute_simd || DKind == OMPD_tile ||
500          DKind == OMPD_unroll || DKind == OMPD_loop ||
501          DKind == OMPD_teams_loop || DKind == OMPD_target_teams_loop ||
502          DKind == OMPD_parallel_loop || DKind == OMPD_target_parallel_loop;
503 }
504 
505 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
506   return DKind == OMPD_for || DKind == OMPD_for_simd ||
507          DKind == OMPD_sections || DKind == OMPD_section ||
508          DKind == OMPD_single || DKind == OMPD_parallel_for ||
509          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
510          DKind == OMPD_target_parallel_for ||
511          DKind == OMPD_distribute_parallel_for ||
512          DKind == OMPD_distribute_parallel_for_simd ||
513          DKind == OMPD_target_parallel_for_simd ||
514          DKind == OMPD_teams_distribute_parallel_for_simd ||
515          DKind == OMPD_teams_distribute_parallel_for ||
516          DKind == OMPD_target_teams_distribute_parallel_for ||
517          DKind == OMPD_target_teams_distribute_parallel_for_simd;
518 }
519 
520 bool clang::isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind) {
521   return DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd ||
522          DKind == OMPD_master_taskloop || DKind == OMPD_master_taskloop_simd ||
523          DKind == OMPD_parallel_master_taskloop ||
524          DKind == OMPD_parallel_master_taskloop_simd;
525 }
526 
527 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
528   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
529          DKind == OMPD_parallel_for_simd || DKind == OMPD_parallel_sections ||
530          DKind == OMPD_target_parallel || DKind == OMPD_target_parallel_for ||
531          DKind == OMPD_distribute_parallel_for ||
532          DKind == OMPD_distribute_parallel_for_simd ||
533          DKind == OMPD_target_parallel_for_simd ||
534          DKind == OMPD_teams_distribute_parallel_for ||
535          DKind == OMPD_teams_distribute_parallel_for_simd ||
536          DKind == OMPD_target_teams_distribute_parallel_for ||
537          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
538          DKind == OMPD_parallel_master ||
539          DKind == OMPD_parallel_master_taskloop ||
540          DKind == OMPD_parallel_master_taskloop_simd ||
541          DKind == OMPD_parallel_loop || DKind == OMPD_target_parallel_loop;
542 }
543 
544 bool clang::isOpenMPTargetExecutionDirective(OpenMPDirectiveKind DKind) {
545   return DKind == OMPD_target || DKind == OMPD_target_parallel ||
546          DKind == OMPD_target_parallel_for ||
547          DKind == OMPD_target_parallel_for_simd || DKind == OMPD_target_simd ||
548          DKind == OMPD_target_teams || DKind == OMPD_target_teams_distribute ||
549          DKind == OMPD_target_teams_distribute_parallel_for ||
550          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
551          DKind == OMPD_target_teams_distribute_simd ||
552          DKind == OMPD_target_teams_loop || DKind == OMPD_target_parallel_loop;
553 }
554 
555 bool clang::isOpenMPTargetDataManagementDirective(OpenMPDirectiveKind DKind) {
556   return DKind == OMPD_target_data || DKind == OMPD_target_enter_data ||
557          DKind == OMPD_target_exit_data || DKind == OMPD_target_update;
558 }
559 
560 bool clang::isOpenMPNestingTeamsDirective(OpenMPDirectiveKind DKind) {
561   return DKind == OMPD_teams || DKind == OMPD_teams_distribute ||
562          DKind == OMPD_teams_distribute_simd ||
563          DKind == OMPD_teams_distribute_parallel_for_simd ||
564          DKind == OMPD_teams_distribute_parallel_for ||
565          DKind == OMPD_teams_loop;
566 }
567 
568 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
569   return isOpenMPNestingTeamsDirective(DKind) || DKind == OMPD_target_teams ||
570          DKind == OMPD_target_teams_distribute ||
571          DKind == OMPD_target_teams_distribute_parallel_for ||
572          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
573          DKind == OMPD_target_teams_distribute_simd ||
574          DKind == OMPD_target_teams_loop;
575 }
576 
577 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
578   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
579          DKind == OMPD_parallel_for_simd || DKind == OMPD_taskloop_simd ||
580          DKind == OMPD_master_taskloop_simd ||
581          DKind == OMPD_parallel_master_taskloop_simd ||
582          DKind == OMPD_distribute_parallel_for_simd ||
583          DKind == OMPD_distribute_simd || DKind == OMPD_target_simd ||
584          DKind == OMPD_teams_distribute_simd ||
585          DKind == OMPD_teams_distribute_parallel_for_simd ||
586          DKind == OMPD_target_teams_distribute_parallel_for_simd ||
587          DKind == OMPD_target_teams_distribute_simd ||
588          DKind == OMPD_target_parallel_for_simd;
589 }
590 
591 bool clang::isOpenMPNestingDistributeDirective(OpenMPDirectiveKind Kind) {
592   return Kind == OMPD_distribute || Kind == OMPD_distribute_parallel_for ||
593          Kind == OMPD_distribute_parallel_for_simd ||
594          Kind == OMPD_distribute_simd;
595   // TODO add next directives.
596 }
597 
598 bool clang::isOpenMPDistributeDirective(OpenMPDirectiveKind Kind) {
599   return isOpenMPNestingDistributeDirective(Kind) ||
600          Kind == OMPD_teams_distribute || Kind == OMPD_teams_distribute_simd ||
601          Kind == OMPD_teams_distribute_parallel_for_simd ||
602          Kind == OMPD_teams_distribute_parallel_for ||
603          Kind == OMPD_target_teams_distribute ||
604          Kind == OMPD_target_teams_distribute_parallel_for ||
605          Kind == OMPD_target_teams_distribute_parallel_for_simd ||
606          Kind == OMPD_target_teams_distribute_simd;
607 }
608 
609 bool clang::isOpenMPGenericLoopDirective(OpenMPDirectiveKind Kind) {
610   return Kind == OMPD_loop || Kind == OMPD_teams_loop ||
611          Kind == OMPD_target_teams_loop || Kind == OMPD_parallel_loop ||
612          Kind == OMPD_target_parallel_loop;
613 }
614 
615 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
616   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
617          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
618          Kind == OMPC_reduction || Kind == OMPC_task_reduction ||
619          Kind == OMPC_in_reduction; // TODO add next clauses like 'reduction'.
620 }
621 
622 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
623   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
624 }
625 
626 bool clang::isOpenMPTaskingDirective(OpenMPDirectiveKind Kind) {
627   return Kind == OMPD_task || isOpenMPTaskLoopDirective(Kind);
628 }
629 
630 bool clang::isOpenMPLoopBoundSharingDirective(OpenMPDirectiveKind Kind) {
631   return Kind == OMPD_distribute_parallel_for ||
632          Kind == OMPD_distribute_parallel_for_simd ||
633          Kind == OMPD_teams_distribute_parallel_for_simd ||
634          Kind == OMPD_teams_distribute_parallel_for ||
635          Kind == OMPD_target_teams_distribute_parallel_for ||
636          Kind == OMPD_target_teams_distribute_parallel_for_simd;
637 }
638 
639 bool clang::isOpenMPLoopTransformationDirective(OpenMPDirectiveKind DKind) {
640   return DKind == OMPD_tile || DKind == OMPD_unroll;
641 }
642 
643 void clang::getOpenMPCaptureRegions(
644     SmallVectorImpl<OpenMPDirectiveKind> &CaptureRegions,
645     OpenMPDirectiveKind DKind) {
646   assert(unsigned(DKind) < llvm::omp::Directive_enumSize);
647   switch (DKind) {
648   case OMPD_metadirective:
649     CaptureRegions.push_back(OMPD_metadirective);
650     break;
651   case OMPD_parallel:
652   case OMPD_parallel_for:
653   case OMPD_parallel_for_simd:
654   case OMPD_parallel_master:
655   case OMPD_parallel_sections:
656   case OMPD_distribute_parallel_for:
657   case OMPD_distribute_parallel_for_simd:
658   case OMPD_parallel_loop:
659     CaptureRegions.push_back(OMPD_parallel);
660     break;
661   case OMPD_target_teams:
662   case OMPD_target_teams_distribute:
663   case OMPD_target_teams_distribute_simd:
664   case OMPD_target_teams_loop:
665     CaptureRegions.push_back(OMPD_task);
666     CaptureRegions.push_back(OMPD_target);
667     CaptureRegions.push_back(OMPD_teams);
668     break;
669   case OMPD_teams:
670   case OMPD_teams_distribute:
671   case OMPD_teams_distribute_simd:
672     CaptureRegions.push_back(OMPD_teams);
673     break;
674   case OMPD_target:
675   case OMPD_target_simd:
676     CaptureRegions.push_back(OMPD_task);
677     CaptureRegions.push_back(OMPD_target);
678     break;
679   case OMPD_teams_distribute_parallel_for:
680   case OMPD_teams_distribute_parallel_for_simd:
681     CaptureRegions.push_back(OMPD_teams);
682     CaptureRegions.push_back(OMPD_parallel);
683     break;
684   case OMPD_target_parallel:
685   case OMPD_target_parallel_for:
686   case OMPD_target_parallel_for_simd:
687   case OMPD_target_parallel_loop:
688     CaptureRegions.push_back(OMPD_task);
689     CaptureRegions.push_back(OMPD_target);
690     CaptureRegions.push_back(OMPD_parallel);
691     break;
692   case OMPD_task:
693   case OMPD_target_enter_data:
694   case OMPD_target_exit_data:
695   case OMPD_target_update:
696     CaptureRegions.push_back(OMPD_task);
697     break;
698   case OMPD_taskloop:
699   case OMPD_taskloop_simd:
700   case OMPD_master_taskloop:
701   case OMPD_master_taskloop_simd:
702     CaptureRegions.push_back(OMPD_taskloop);
703     break;
704   case OMPD_parallel_master_taskloop:
705   case OMPD_parallel_master_taskloop_simd:
706     CaptureRegions.push_back(OMPD_parallel);
707     CaptureRegions.push_back(OMPD_taskloop);
708     break;
709   case OMPD_target_teams_distribute_parallel_for:
710   case OMPD_target_teams_distribute_parallel_for_simd:
711     CaptureRegions.push_back(OMPD_task);
712     CaptureRegions.push_back(OMPD_target);
713     CaptureRegions.push_back(OMPD_teams);
714     CaptureRegions.push_back(OMPD_parallel);
715     break;
716   case OMPD_teams_loop:
717     CaptureRegions.push_back(OMPD_teams);
718     break;
719   case OMPD_loop:
720     // TODO: 'loop' may require different capture regions depending on the bind
721     // clause or the parent directive when there is no bind clause. Use
722     // OMPD_unknown for now.
723   case OMPD_simd:
724   case OMPD_for:
725   case OMPD_for_simd:
726   case OMPD_sections:
727   case OMPD_section:
728   case OMPD_single:
729   case OMPD_master:
730   case OMPD_critical:
731   case OMPD_taskgroup:
732   case OMPD_distribute:
733   case OMPD_ordered:
734   case OMPD_atomic:
735   case OMPD_target_data:
736   case OMPD_distribute_simd:
737   case OMPD_dispatch:
738     CaptureRegions.push_back(OMPD_unknown);
739     break;
740   case OMPD_tile:
741   case OMPD_unroll:
742     // loop transformations do not introduce captures.
743     break;
744   case OMPD_threadprivate:
745   case OMPD_allocate:
746   case OMPD_taskyield:
747   case OMPD_barrier:
748   case OMPD_taskwait:
749   case OMPD_cancellation_point:
750   case OMPD_cancel:
751   case OMPD_flush:
752   case OMPD_depobj:
753   case OMPD_scan:
754   case OMPD_declare_reduction:
755   case OMPD_declare_mapper:
756   case OMPD_declare_simd:
757   case OMPD_declare_target:
758   case OMPD_end_declare_target:
759   case OMPD_requires:
760   case OMPD_declare_variant:
761   case OMPD_begin_declare_variant:
762   case OMPD_end_declare_variant:
763     llvm_unreachable("OpenMP Directive is not allowed");
764   case OMPD_unknown:
765   default:
766     llvm_unreachable("Unknown OpenMP directive");
767   }
768 }
769