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