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