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 
getOpenMPDirectiveKind(StringRef Str)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 
getOpenMPDirectiveName(OpenMPDirectiveKind Kind)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 
getOpenMPClauseKind(StringRef Str)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 
getOpenMPClauseName(OpenMPClauseKind Kind)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 
getOpenMPSimpleClauseType(OpenMPClauseKind Kind,StringRef Str)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_unknown:
95   case OMPC_threadprivate:
96   case OMPC_if:
97   case OMPC_final:
98   case OMPC_num_threads:
99   case OMPC_safelen:
100   case OMPC_collapse:
101   case OMPC_private:
102   case OMPC_firstprivate:
103   case OMPC_lastprivate:
104   case OMPC_shared:
105   case OMPC_reduction:
106   case OMPC_linear:
107   case OMPC_aligned:
108   case OMPC_copyin:
109   case OMPC_copyprivate:
110   case OMPC_ordered:
111   case OMPC_nowait:
112   case OMPC_untied:
113   case OMPC_mergeable:
114   case OMPC_flush:
115   case OMPC_read:
116   case OMPC_write:
117   case OMPC_update:
118   case OMPC_capture:
119   case OMPC_seq_cst:
120     break;
121   }
122   llvm_unreachable("Invalid OpenMP simple clause kind");
123 }
124 
getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,unsigned Type)125 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
126                                                  unsigned Type) {
127   switch (Kind) {
128   case OMPC_default:
129     switch (Type) {
130     case OMPC_DEFAULT_unknown:
131       return "unknown";
132 #define OPENMP_DEFAULT_KIND(Name)                                              \
133   case OMPC_DEFAULT_##Name:                                                    \
134     return #Name;
135 #include "clang/Basic/OpenMPKinds.def"
136     }
137     llvm_unreachable("Invalid OpenMP 'default' clause type");
138   case OMPC_proc_bind:
139     switch (Type) {
140     case OMPC_PROC_BIND_unknown:
141       return "unknown";
142 #define OPENMP_PROC_BIND_KIND(Name)                                            \
143   case OMPC_PROC_BIND_##Name:                                                  \
144     return #Name;
145 #include "clang/Basic/OpenMPKinds.def"
146     }
147     llvm_unreachable("Invalid OpenMP 'proc_bind' clause type");
148   case OMPC_schedule:
149     switch (Type) {
150     case OMPC_SCHEDULE_unknown:
151       return "unknown";
152 #define OPENMP_SCHEDULE_KIND(Name)                                             \
153   case OMPC_SCHEDULE_##Name:                                                   \
154     return #Name;
155 #include "clang/Basic/OpenMPKinds.def"
156     }
157     llvm_unreachable("Invalid OpenMP 'schedule' clause type");
158   case OMPC_unknown:
159   case OMPC_threadprivate:
160   case OMPC_if:
161   case OMPC_final:
162   case OMPC_num_threads:
163   case OMPC_safelen:
164   case OMPC_collapse:
165   case OMPC_private:
166   case OMPC_firstprivate:
167   case OMPC_lastprivate:
168   case OMPC_shared:
169   case OMPC_reduction:
170   case OMPC_linear:
171   case OMPC_aligned:
172   case OMPC_copyin:
173   case OMPC_copyprivate:
174   case OMPC_ordered:
175   case OMPC_nowait:
176   case OMPC_untied:
177   case OMPC_mergeable:
178   case OMPC_flush:
179   case OMPC_read:
180   case OMPC_write:
181   case OMPC_update:
182   case OMPC_capture:
183   case OMPC_seq_cst:
184     break;
185   }
186   llvm_unreachable("Invalid OpenMP simple clause kind");
187 }
188 
isAllowedClauseForDirective(OpenMPDirectiveKind DKind,OpenMPClauseKind CKind)189 bool clang::isAllowedClauseForDirective(OpenMPDirectiveKind DKind,
190                                         OpenMPClauseKind CKind) {
191   assert(DKind <= OMPD_unknown);
192   assert(CKind <= OMPC_unknown);
193   switch (DKind) {
194   case OMPD_parallel:
195     switch (CKind) {
196 #define OPENMP_PARALLEL_CLAUSE(Name)                                           \
197   case OMPC_##Name:                                                            \
198     return true;
199 #include "clang/Basic/OpenMPKinds.def"
200     default:
201       break;
202     }
203     break;
204   case OMPD_simd:
205     switch (CKind) {
206 #define OPENMP_SIMD_CLAUSE(Name)                                               \
207   case OMPC_##Name:                                                            \
208     return true;
209 #include "clang/Basic/OpenMPKinds.def"
210     default:
211       break;
212     }
213     break;
214   case OMPD_for:
215     switch (CKind) {
216 #define OPENMP_FOR_CLAUSE(Name)                                                \
217   case OMPC_##Name:                                                            \
218     return true;
219 #include "clang/Basic/OpenMPKinds.def"
220     default:
221       break;
222     }
223     break;
224   case OMPD_for_simd:
225     switch (CKind) {
226 #define OPENMP_FOR_SIMD_CLAUSE(Name)                                           \
227   case OMPC_##Name:                                                            \
228     return true;
229 #include "clang/Basic/OpenMPKinds.def"
230     default:
231       break;
232     }
233     break;
234   case OMPD_sections:
235     switch (CKind) {
236 #define OPENMP_SECTIONS_CLAUSE(Name)                                           \
237   case OMPC_##Name:                                                            \
238     return true;
239 #include "clang/Basic/OpenMPKinds.def"
240     default:
241       break;
242     }
243     break;
244   case OMPD_single:
245     switch (CKind) {
246 #define OPENMP_SINGLE_CLAUSE(Name)                                             \
247   case OMPC_##Name:                                                            \
248     return true;
249 #include "clang/Basic/OpenMPKinds.def"
250     default:
251       break;
252     }
253     break;
254   case OMPD_parallel_for:
255     switch (CKind) {
256 #define OPENMP_PARALLEL_FOR_CLAUSE(Name)                                       \
257   case OMPC_##Name:                                                            \
258     return true;
259 #include "clang/Basic/OpenMPKinds.def"
260     default:
261       break;
262     }
263     break;
264   case OMPD_parallel_for_simd:
265     switch (CKind) {
266 #define OPENMP_PARALLEL_FOR_SIMD_CLAUSE(Name)                                  \
267   case OMPC_##Name:                                                            \
268     return true;
269 #include "clang/Basic/OpenMPKinds.def"
270     default:
271       break;
272     }
273     break;
274   case OMPD_parallel_sections:
275     switch (CKind) {
276 #define OPENMP_PARALLEL_SECTIONS_CLAUSE(Name)                                  \
277   case OMPC_##Name:                                                            \
278     return true;
279 #include "clang/Basic/OpenMPKinds.def"
280     default:
281       break;
282     }
283     break;
284   case OMPD_task:
285     switch (CKind) {
286 #define OPENMP_TASK_CLAUSE(Name)                                               \
287   case OMPC_##Name:                                                            \
288     return true;
289 #include "clang/Basic/OpenMPKinds.def"
290     default:
291       break;
292     }
293     break;
294   case OMPD_flush:
295     return CKind == OMPC_flush;
296     break;
297   case OMPD_atomic:
298     switch (CKind) {
299 #define OPENMP_ATOMIC_CLAUSE(Name)                                             \
300   case OMPC_##Name:                                                            \
301     return true;
302 #include "clang/Basic/OpenMPKinds.def"
303     default:
304       break;
305     }
306     break;
307   case OMPD_target:
308     switch (CKind) {
309 #define OPENMP_TARGET_CLAUSE(Name)                                             \
310   case OMPC_##Name:                                                            \
311     return true;
312 #include "clang/Basic/OpenMPKinds.def"
313     default:
314       break;
315     }
316     break;
317   case OMPD_teams:
318     switch (CKind) {
319 #define OPENMP_TEAMS_CLAUSE(Name)                                              \
320   case OMPC_##Name:                                                            \
321     return true;
322 #include "clang/Basic/OpenMPKinds.def"
323     default:
324       break;
325     }
326     break;
327   case OMPD_unknown:
328   case OMPD_threadprivate:
329   case OMPD_section:
330   case OMPD_master:
331   case OMPD_critical:
332   case OMPD_taskyield:
333   case OMPD_barrier:
334   case OMPD_taskwait:
335   case OMPD_ordered:
336     break;
337   }
338   return false;
339 }
340 
isOpenMPLoopDirective(OpenMPDirectiveKind DKind)341 bool clang::isOpenMPLoopDirective(OpenMPDirectiveKind DKind) {
342   return DKind == OMPD_simd || DKind == OMPD_for || DKind == OMPD_for_simd ||
343          DKind == OMPD_parallel_for ||
344          DKind == OMPD_parallel_for_simd; // TODO add next directives.
345 }
346 
isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind)347 bool clang::isOpenMPWorksharingDirective(OpenMPDirectiveKind DKind) {
348   return DKind == OMPD_for || DKind == OMPD_for_simd ||
349          DKind == OMPD_sections || DKind == OMPD_section ||
350          DKind == OMPD_single || DKind == OMPD_parallel_for ||
351          DKind == OMPD_parallel_for_simd ||
352          DKind == OMPD_parallel_sections; // TODO add next directives.
353 }
354 
isOpenMPParallelDirective(OpenMPDirectiveKind DKind)355 bool clang::isOpenMPParallelDirective(OpenMPDirectiveKind DKind) {
356   return DKind == OMPD_parallel || DKind == OMPD_parallel_for ||
357          DKind == OMPD_parallel_for_simd ||
358          DKind == OMPD_parallel_sections; // TODO add next directives.
359 }
360 
isOpenMPTeamsDirective(OpenMPDirectiveKind DKind)361 bool clang::isOpenMPTeamsDirective(OpenMPDirectiveKind DKind) {
362   return DKind == OMPD_teams; // TODO add next directives.
363 }
364 
isOpenMPSimdDirective(OpenMPDirectiveKind DKind)365 bool clang::isOpenMPSimdDirective(OpenMPDirectiveKind DKind) {
366   return DKind == OMPD_simd || DKind == OMPD_for_simd ||
367          DKind == OMPD_parallel_for_simd; // TODO add next directives.
368 }
369 
isOpenMPPrivate(OpenMPClauseKind Kind)370 bool clang::isOpenMPPrivate(OpenMPClauseKind Kind) {
371   return Kind == OMPC_private || Kind == OMPC_firstprivate ||
372          Kind == OMPC_lastprivate || Kind == OMPC_linear ||
373          Kind == OMPC_reduction; // TODO add next clauses like 'reduction'.
374 }
375 
isOpenMPThreadPrivate(OpenMPClauseKind Kind)376 bool clang::isOpenMPThreadPrivate(OpenMPClauseKind Kind) {
377   return Kind == OMPC_threadprivate || Kind == OMPC_copyin;
378 }
379 
380