1 //===--- OpenMPKinds.cpp - Token Kinds Support ----------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 /// \file
10 /// \brief This file implements the OpenMP enum and support functions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #include "clang/Basic/OpenMPKinds.h"
15 #include "clang/Basic/IdentifierTable.h"
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/ADT/StringSwitch.h"
18 #include "llvm/Support/ErrorHandling.h"
19 #include <cassert>
20 
21 using namespace clang;
22 
23 OpenMPDirectiveKind clang::getOpenMPDirectiveKind(StringRef Str) {
24   return llvm::StringSwitch<OpenMPDirectiveKind>(Str)
25 #define OPENMP_DIRECTIVE(Name) .Case(#Name, OMPD_##Name)
26 #define OPENMP_DIRECTIVE_EXT(Name, Str) .Case(Str, OMPD_##Name)
27 #include "clang/Basic/OpenMPKinds.def"
28       .Default(OMPD_unknown);
29 }
30 
31 const char *clang::getOpenMPDirectiveName(OpenMPDirectiveKind Kind) {
32   assert(Kind <= OMPD_unknown);
33   switch (Kind) {
34   case OMPD_unknown:
35     return "unknown";
36 #define OPENMP_DIRECTIVE(Name)                                                 \
37   case OMPD_##Name:                                                            \
38     return #Name;
39 #define OPENMP_DIRECTIVE_EXT(Name, Str)                                        \
40   case OMPD_##Name:                                                            \
41     return Str;
42 #include "clang/Basic/OpenMPKinds.def"
43     break;
44   }
45   llvm_unreachable("Invalid OpenMP directive kind");
46 }
47 
48 OpenMPClauseKind clang::getOpenMPClauseKind(StringRef Str) {
49   // 'flush' clause cannot be specified explicitly, because this is an implicit
50   // clause for 'flush' directive. If the 'flush' clause is explicitly specified
51   // the Parser should generate a warning about extra tokens at the end of the
52   // directive.
53   if (Str == "flush")
54     return OMPC_unknown;
55   return llvm::StringSwitch<OpenMPClauseKind>(Str)
56 #define OPENMP_CLAUSE(Name, Class) .Case(#Name, OMPC_##Name)
57 #include "clang/Basic/OpenMPKinds.def"
58       .Default(OMPC_unknown);
59 }
60 
61 const char *clang::getOpenMPClauseName(OpenMPClauseKind Kind) {
62   assert(Kind <= OMPC_unknown);
63   switch (Kind) {
64   case OMPC_unknown:
65     return "unknown";
66 #define OPENMP_CLAUSE(Name, Class)                                             \
67   case OMPC_##Name:                                                            \
68     return #Name;
69 #include "clang/Basic/OpenMPKinds.def"
70   case OMPC_threadprivate:
71     return "threadprivate or thread local";
72   }
73   llvm_unreachable("Invalid OpenMP clause kind");
74 }
75 
76 unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind,
77                                           StringRef Str) {
78   switch (Kind) {
79   case OMPC_default:
80     return llvm::StringSwitch<OpenMPDefaultClauseKind>(Str)
81 #define OPENMP_DEFAULT_KIND(Name) .Case(#Name, OMPC_DEFAULT_##Name)
82 #include "clang/Basic/OpenMPKinds.def"
83         .Default(OMPC_DEFAULT_unknown);
84   case OMPC_proc_bind:
85     return llvm::StringSwitch<OpenMPProcBindClauseKind>(Str)
86 #define OPENMP_PROC_BIND_KIND(Name) .Case(#Name, OMPC_PROC_BIND_##Name)
87 #include "clang/Basic/OpenMPKinds.def"
88         .Default(OMPC_PROC_BIND_unknown);
89   case OMPC_schedule:
90     return llvm::StringSwitch<OpenMPScheduleClauseKind>(Str)
91 #define OPENMP_SCHEDULE_KIND(Name) .Case(#Name, OMPC_SCHEDULE_##Name)
92 #include "clang/Basic/OpenMPKinds.def"
93         .Default(OMPC_SCHEDULE_unknown);
94   case OMPC_depend:
95     return llvm::StringSwitch<OpenMPDependClauseKind>(Str)
96 #define OPENMP_DEPEND_KIND(Name) .Case(#Name, OMPC_DEPEND_##Name)
97 #include "clang/Basic/OpenMPKinds.def"
98         .Default(OMPC_DEPEND_unknown);
99   case OMPC_linear:
100     return llvm::StringSwitch<OpenMPLinearClauseKind>(Str)
101 #define OPENMP_LINEAR_KIND(Name) .Case(#Name, OMPC_LINEAR_##Name)
102 #include "clang/Basic/OpenMPKinds.def"
103         .Default(OMPC_LINEAR_unknown);
104   case OMPC_map:
105     return llvm::StringSwitch<OpenMPMapClauseKind>(Str)
106 #define OPENMP_MAP_KIND(Name) .Case(#Name, OMPC_MAP_##Name)
107 #include "clang/Basic/OpenMPKinds.def"
108         .Default(OMPC_MAP_unknown);
109   case OMPC_unknown:
110   case OMPC_threadprivate:
111   case OMPC_if:
112   case OMPC_final:
113   case OMPC_num_threads:
114   case OMPC_safelen:
115   case OMPC_simdlen:
116   case OMPC_collapse:
117   case OMPC_private:
118   case OMPC_firstprivate:
119   case OMPC_lastprivate:
120   case OMPC_shared:
121   case OMPC_reduction:
122   case OMPC_aligned:
123   case OMPC_copyin:
124   case OMPC_copyprivate:
125   case OMPC_ordered:
126   case OMPC_nowait:
127   case OMPC_untied:
128   case OMPC_mergeable:
129   case OMPC_flush:
130   case OMPC_read:
131   case OMPC_write:
132   case OMPC_update:
133   case OMPC_capture:
134   case OMPC_seq_cst:
135   case OMPC_device:
136   case OMPC_threads:
137   case OMPC_simd:
138   case OMPC_num_teams:
139   case OMPC_thread_limit:
140   case OMPC_priority:
141   case OMPC_grainsize:
142   case OMPC_nogroup:
143   case OMPC_num_tasks:
144     break;
145   }
146   llvm_unreachable("Invalid OpenMP simple clause kind");
147 }
148 
149 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
150                                                  unsigned Type) {
151   switch (Kind) {
152   case OMPC_default:
153     switch (Type) {
154     case OMPC_DEFAULT_unknown:
155       return "unknown";
156 #define OPENMP_DEFAULT_KIND(Name)                                              \
157   case OMPC_DEFAULT_##Name:                                                    \
158     return #Name;
159 #include "clang/Basic/OpenMPKinds.def"
160     }
161     llvm_unreachable("Invalid OpenMP 'default' clause type");
162   case OMPC_proc_bind:
163     switch (Type) {
164     case OMPC_PROC_BIND_unknown:
165       return "unknown";
166 #define OPENMP_PROC_BIND_KIND(Name)                                            \
167   case OMPC_PROC_BIND_##Name:                                                  \
168     return #Name;
169 #include "clang/Basic/OpenMPKinds.def"
170     }
171     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
172   case OMPC_schedule:
173     switch (Type) {
174     case OMPC_SCHEDULE_unknown:
175       return "unknown";
176 #define OPENMP_SCHEDULE_KIND(Name)                                             \
177   case OMPC_SCHEDULE_##Name:                                                   \
178     return #Name;
179 #include "clang/Basic/OpenMPKinds.def"
180     }
181   case OMPC_depend:
182     switch (Type) {
183     case OMPC_DEPEND_unknown:
184       return "unknown";
185 #define OPENMP_DEPEND_KIND(Name)                                             \
186   case OMPC_DEPEND_##Name:                                                   \
187     return #Name;
188 #include "clang/Basic/OpenMPKinds.def"
189     }
190     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
191   case OMPC_linear:
192     switch (Type) {
193     case OMPC_LINEAR_unknown:
194       return "unknown";
195 #define OPENMP_LINEAR_KIND(Name)                                             \
196   case OMPC_LINEAR_##Name:                                                   \
197     return #Name;
198 #include "clang/Basic/OpenMPKinds.def"
199     }
200     llvm_unreachable("Invalid OpenMP 'linear' clause type");
201   case OMPC_map:
202     switch (Type) {
203     case OMPC_MAP_unknown:
204       return "unknown";
205 #define OPENMP_MAP_KIND(Name)                                                \
206   case OMPC_MAP_##Name:                                                      \
207     return #Name;
208 #include "clang/Basic/OpenMPKinds.def"
209     default:
210       break;
211     }
212     llvm_unreachable("Invalid OpenMP 'map' clause type");
213   case OMPC_unknown:
214   case OMPC_threadprivate:
215   case OMPC_if:
216   case OMPC_final:
217   case OMPC_num_threads:
218   case OMPC_safelen:
219   case OMPC_simdlen:
220   case OMPC_collapse:
221   case OMPC_private:
222   case OMPC_firstprivate:
223   case OMPC_lastprivate:
224   case OMPC_shared:
225   case OMPC_reduction:
226   case OMPC_aligned:
227   case OMPC_copyin:
228   case OMPC_copyprivate:
229   case OMPC_ordered:
230   case OMPC_nowait:
231   case OMPC_untied:
232   case OMPC_mergeable:
233   case OMPC_flush:
234   case OMPC_read:
235   case OMPC_write:
236   case OMPC_update:
237   case OMPC_capture:
238   case OMPC_seq_cst:
239   case OMPC_device:
240   case OMPC_threads:
241   case OMPC_simd:
242   case OMPC_num_teams:
243   case OMPC_thread_limit:
244   case OMPC_priority:
245   case OMPC_grainsize:
246   case OMPC_nogroup:
247   case OMPC_num_tasks:
248     break;
249   }
250   llvm_unreachable("Invalid OpenMP simple clause kind");
251 }
252 
253 bool clang::isAllowedClauseForDirective(OpenMPDirectiveKind DKind,
254                                         OpenMPClauseKind CKind) {
255   assert(DKind <= OMPD_unknown);
256   assert(CKind <= OMPC_unknown);
257   switch (DKind) {
258   case OMPD_parallel:
259     switch (CKind) {
260 #define OPENMP_PARALLEL_CLAUSE(Name)                                           \
261   case OMPC_##Name:                                                            \
262     return true;
263 #include "clang/Basic/OpenMPKinds.def"
264     default:
265       break;
266     }
267     break;
268   case OMPD_simd:
269     switch (CKind) {
270 #define OPENMP_SIMD_CLAUSE(Name)                                               \
271   case OMPC_##Name:                                                            \
272     return true;
273 #include "clang/Basic/OpenMPKinds.def"
274     default:
275       break;
276     }
277     break;
278   case OMPD_for:
279     switch (CKind) {
280 #define OPENMP_FOR_CLAUSE(Name)                                                \
281   case OMPC_##Name:                                                            \
282     return true;
283 #include "clang/Basic/OpenMPKinds.def"
284     default:
285       break;
286     }
287     break;
288   case OMPD_for_simd:
289     switch (CKind) {
290 #define OPENMP_FOR_SIMD_CLAUSE(Name)                                           \
291   case OMPC_##Name:                                                            \
292     return true;
293 #include "clang/Basic/OpenMPKinds.def"
294     default:
295       break;
296     }
297     break;
298   case OMPD_sections:
299     switch (CKind) {
300 #define OPENMP_SECTIONS_CLAUSE(Name)                                           \
301   case OMPC_##Name:                                                            \
302     return true;
303 #include "clang/Basic/OpenMPKinds.def"
304     default:
305       break;
306     }
307     break;
308   case OMPD_single:
309     switch (CKind) {
310 #define OPENMP_SINGLE_CLAUSE(Name)                                             \
311   case OMPC_##Name:                                                            \
312     return true;
313 #include "clang/Basic/OpenMPKinds.def"
314     default:
315       break;
316     }
317     break;
318   case OMPD_parallel_for:
319     switch (CKind) {
320 #define OPENMP_PARALLEL_FOR_CLAUSE(Name)                                       \
321   case OMPC_##Name:                                                            \
322     return true;
323 #include "clang/Basic/OpenMPKinds.def"
324     default:
325       break;
326     }
327     break;
328   case OMPD_parallel_for_simd:
329     switch (CKind) {
330 #define OPENMP_PARALLEL_FOR_SIMD_CLAUSE(Name)                                  \
331   case OMPC_##Name:                                                            \
332     return true;
333 #include "clang/Basic/OpenMPKinds.def"
334     default:
335       break;
336     }
337     break;
338   case OMPD_parallel_sections:
339     switch (CKind) {
340 #define OPENMP_PARALLEL_SECTIONS_CLAUSE(Name)                                  \
341   case OMPC_##Name:                                                            \
342     return true;
343 #include "clang/Basic/OpenMPKinds.def"
344     default:
345       break;
346     }
347     break;
348   case OMPD_task:
349     switch (CKind) {
350 #define OPENMP_TASK_CLAUSE(Name)                                               \
351   case OMPC_##Name:                                                            \
352     return true;
353 #include "clang/Basic/OpenMPKinds.def"
354     default:
355       break;
356     }
357     break;
358   case OMPD_flush:
359     return CKind == OMPC_flush;
360     break;
361   case OMPD_atomic:
362     switch (CKind) {
363 #define OPENMP_ATOMIC_CLAUSE(Name)                                             \
364   case OMPC_##Name:                                                            \
365     return true;
366 #include "clang/Basic/OpenMPKinds.def"
367     default:
368       break;
369     }
370     break;
371   case OMPD_target:
372     switch (CKind) {
373 #define OPENMP_TARGET_CLAUSE(Name)                                             \
374   case OMPC_##Name:                                                            \
375     return true;
376 #include "clang/Basic/OpenMPKinds.def"
377     default:
378       break;
379     }
380     break;
381   case OMPD_target_data:
382     switch (CKind) {
383 #define OPENMP_TARGET_DATA_CLAUSE(Name)                                        \
384   case OMPC_##Name:                                                            \
385     return true;
386 #include "clang/Basic/OpenMPKinds.def"
387     default:
388       break;
389     }
390     break;
391   case OMPD_teams:
392     switch (CKind) {
393 #define OPENMP_TEAMS_CLAUSE(Name)                                              \
394   case OMPC_##Name:                                                            \
395     return true;
396 #include "clang/Basic/OpenMPKinds.def"
397     default:
398       break;
399     }
400     break;
401   case OMPD_cancel:
402     switch (CKind) {
403 #define OPENMP_CANCEL_CLAUSE(Name)                                             \
404   case OMPC_##Name:                                                            \
405     return true;
406 #include "clang/Basic/OpenMPKinds.def"
407     default:
408       break;
409     }
410     break;
411   case OMPD_ordered:
412     switch (CKind) {
413 #define OPENMP_ORDERED_CLAUSE(Name)                                            \
414   case OMPC_##Name:                                                            \
415     return true;
416 #include "clang/Basic/OpenMPKinds.def"
417     default:
418       break;
419     }
420     break;
421   case OMPD_taskloop:
422     switch (CKind) {
423 #define OPENMP_TASKLOOP_CLAUSE(Name)                                           \
424   case OMPC_##Name:                                                            \
425     return true;
426 #include "clang/Basic/OpenMPKinds.def"
427     default:
428       break;
429     }
430     break;
431   case OMPD_taskloop_simd:
432     switch (CKind) {
433 #define OPENMP_TASKLOOP_SIMD_CLAUSE(Name)                                      \
434   case OMPC_##Name:                                                            \
435     return true;
436 #include "clang/Basic/OpenMPKinds.def"
437     default:
438       break;
439     }
440     break;
441   case OMPD_distribute:
442     switch (CKind) {
443 #define OPENMP_DISTRIBUTE_CLAUSE(Name)                                         \
444   case OMPC_##Name:                                                            \
445     return true;
446 #include "clang/Basic/OpenMPKinds.def"
447     default:
448       break;
449     }
450     break;
451   case OMPD_unknown:
452   case OMPD_threadprivate:
453   case OMPD_section:
454   case OMPD_master:
455   case OMPD_critical:
456   case OMPD_taskyield:
457   case OMPD_barrier:
458   case OMPD_taskwait:
459   case OMPD_taskgroup:
460   case OMPD_cancellation_point:
461     break;
462   }
463   return false;
464 }
465 
466 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
467   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
468          DKind == OMPD_parallel_for || DKind == OMPD_parallel_for_simd ||
469          DKind == OMPD_taskloop ||
470          DKind == OMPD_taskloop_simd ||
471          DKind == OMPD_distribute; // TODO add next directives.
472 }
473 
474 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
475   return DKind == OMPD_for || DKind == OMPD_for_simd ||
476          DKind == OMPD_sections || DKind == OMPD_section ||
477          DKind == OMPD_single || DKind == OMPD_parallel_for ||
478          DKind == OMPD_parallel_for_simd ||
479          DKind == OMPD_parallel_sections; // TODO add next directives.
480 }
481 
482 bool clang::isOpenMPTaskLoopDirective(OpenMPDirectiveKind DKind) {
483   return DKind == OMPD_taskloop || DKind == OMPD_taskloop_simd;
484 }
485 
486 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
487   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
488          DKind == OMPD_parallel_for_simd ||
489          DKind == OMPD_parallel_sections; // TODO add next directives.
490 }
491 
492 bool clang::isOpenMPTargetDirective(OpenMPDirectiveKind DKind) {
493   return DKind == OMPD_target; // TODO add next directives.
494 }
495 
496 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
497   return DKind == OMPD_teams; // TODO add next directives.
498 }
499 
500 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
501   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
502          DKind == OMPD_parallel_for_simd ||
503          DKind == OMPD_taskloop_simd; // TODO add next directives.
504 }
505 
506 bool clang::isOpenMPDistributeDirective(OpenMPDirectiveKind Kind) {
507   return Kind == OMPD_distribute; // TODO add next directives.
508 }
509 
510 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
511   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
512          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
513          Kind == OMPC_reduction; // TODO add next clauses like 'reduction'.
514 }
515 
516 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
517   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
518 }
519 
520