File: | clang/lib/Parse/ParseOpenMP.cpp |
Warning: | line 2492, column 7 Value stored to 'HasImplicitClause' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | //===--- ParseOpenMP.cpp - OpenMP directives parsing ----------------------===// |
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 parsing of all OpenMP directives and clauses. |
10 | /// |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #include "clang/AST/ASTContext.h" |
14 | #include "clang/AST/OpenMPClause.h" |
15 | #include "clang/AST/StmtOpenMP.h" |
16 | #include "clang/Basic/OpenMPKinds.h" |
17 | #include "clang/Basic/TargetInfo.h" |
18 | #include "clang/Basic/TokenKinds.h" |
19 | #include "clang/Parse/ParseDiagnostic.h" |
20 | #include "clang/Parse/Parser.h" |
21 | #include "clang/Parse/RAIIObjectsForParser.h" |
22 | #include "clang/Sema/Scope.h" |
23 | #include "llvm/ADT/PointerIntPair.h" |
24 | #include "llvm/ADT/StringSwitch.h" |
25 | #include "llvm/ADT/UniqueVector.h" |
26 | #include "llvm/Frontend/OpenMP/OMPContext.h" |
27 | |
28 | using namespace clang; |
29 | using namespace llvm::omp; |
30 | |
31 | //===----------------------------------------------------------------------===// |
32 | // OpenMP declarative directives. |
33 | //===----------------------------------------------------------------------===// |
34 | |
35 | namespace { |
36 | enum OpenMPDirectiveKindEx { |
37 | OMPD_cancellation = llvm::omp::Directive_enumSize + 1, |
38 | OMPD_data, |
39 | OMPD_declare, |
40 | OMPD_end, |
41 | OMPD_end_declare, |
42 | OMPD_enter, |
43 | OMPD_exit, |
44 | OMPD_point, |
45 | OMPD_reduction, |
46 | OMPD_target_enter, |
47 | OMPD_target_exit, |
48 | OMPD_update, |
49 | OMPD_distribute_parallel, |
50 | OMPD_teams_distribute_parallel, |
51 | OMPD_target_teams_distribute_parallel, |
52 | OMPD_mapper, |
53 | OMPD_variant, |
54 | OMPD_begin, |
55 | OMPD_begin_declare, |
56 | }; |
57 | |
58 | // Helper to unify the enum class OpenMPDirectiveKind with its extension |
59 | // the OpenMPDirectiveKindEx enum which allows to use them together as if they |
60 | // are unsigned values. |
61 | struct OpenMPDirectiveKindExWrapper { |
62 | OpenMPDirectiveKindExWrapper(unsigned Value) : Value(Value) {} |
63 | OpenMPDirectiveKindExWrapper(OpenMPDirectiveKind DK) : Value(unsigned(DK)) {} |
64 | bool operator==(OpenMPDirectiveKindExWrapper V) const { |
65 | return Value == V.Value; |
66 | } |
67 | bool operator!=(OpenMPDirectiveKindExWrapper V) const { |
68 | return Value != V.Value; |
69 | } |
70 | bool operator==(OpenMPDirectiveKind V) const { return Value == unsigned(V); } |
71 | bool operator!=(OpenMPDirectiveKind V) const { return Value != unsigned(V); } |
72 | bool operator<(OpenMPDirectiveKind V) const { return Value < unsigned(V); } |
73 | operator unsigned() const { return Value; } |
74 | operator OpenMPDirectiveKind() const { return OpenMPDirectiveKind(Value); } |
75 | unsigned Value; |
76 | }; |
77 | |
78 | class DeclDirectiveListParserHelper final { |
79 | SmallVector<Expr *, 4> Identifiers; |
80 | Parser *P; |
81 | OpenMPDirectiveKind Kind; |
82 | |
83 | public: |
84 | DeclDirectiveListParserHelper(Parser *P, OpenMPDirectiveKind Kind) |
85 | : P(P), Kind(Kind) {} |
86 | void operator()(CXXScopeSpec &SS, DeclarationNameInfo NameInfo) { |
87 | ExprResult Res = P->getActions().ActOnOpenMPIdExpression( |
88 | P->getCurScope(), SS, NameInfo, Kind); |
89 | if (Res.isUsable()) |
90 | Identifiers.push_back(Res.get()); |
91 | } |
92 | llvm::ArrayRef<Expr *> getIdentifiers() const { return Identifiers; } |
93 | }; |
94 | } // namespace |
95 | |
96 | // Map token string to extended OMP token kind that are |
97 | // OpenMPDirectiveKind + OpenMPDirectiveKindEx. |
98 | static unsigned getOpenMPDirectiveKindEx(StringRef S) { |
99 | OpenMPDirectiveKindExWrapper DKind = getOpenMPDirectiveKind(S); |
100 | if (DKind != OMPD_unknown) |
101 | return DKind; |
102 | |
103 | return llvm::StringSwitch<OpenMPDirectiveKindExWrapper>(S) |
104 | .Case("cancellation", OMPD_cancellation) |
105 | .Case("data", OMPD_data) |
106 | .Case("declare", OMPD_declare) |
107 | .Case("end", OMPD_end) |
108 | .Case("enter", OMPD_enter) |
109 | .Case("exit", OMPD_exit) |
110 | .Case("point", OMPD_point) |
111 | .Case("reduction", OMPD_reduction) |
112 | .Case("update", OMPD_update) |
113 | .Case("mapper", OMPD_mapper) |
114 | .Case("variant", OMPD_variant) |
115 | .Case("begin", OMPD_begin) |
116 | .Default(OMPD_unknown); |
117 | } |
118 | |
119 | static OpenMPDirectiveKindExWrapper parseOpenMPDirectiveKind(Parser &P) { |
120 | // Array of foldings: F[i][0] F[i][1] ===> F[i][2]. |
121 | // E.g.: OMPD_for OMPD_simd ===> OMPD_for_simd |
122 | // TODO: add other combined directives in topological order. |
123 | static const OpenMPDirectiveKindExWrapper F[][3] = { |
124 | {OMPD_begin, OMPD_declare, OMPD_begin_declare}, |
125 | {OMPD_begin, OMPD_assumes, OMPD_begin_assumes}, |
126 | {OMPD_end, OMPD_declare, OMPD_end_declare}, |
127 | {OMPD_end, OMPD_assumes, OMPD_end_assumes}, |
128 | {OMPD_cancellation, OMPD_point, OMPD_cancellation_point}, |
129 | {OMPD_declare, OMPD_reduction, OMPD_declare_reduction}, |
130 | {OMPD_declare, OMPD_mapper, OMPD_declare_mapper}, |
131 | {OMPD_declare, OMPD_simd, OMPD_declare_simd}, |
132 | {OMPD_declare, OMPD_target, OMPD_declare_target}, |
133 | {OMPD_declare, OMPD_variant, OMPD_declare_variant}, |
134 | {OMPD_begin_declare, OMPD_variant, OMPD_begin_declare_variant}, |
135 | {OMPD_end_declare, OMPD_variant, OMPD_end_declare_variant}, |
136 | {OMPD_distribute, OMPD_parallel, OMPD_distribute_parallel}, |
137 | {OMPD_distribute_parallel, OMPD_for, OMPD_distribute_parallel_for}, |
138 | {OMPD_distribute_parallel_for, OMPD_simd, |
139 | OMPD_distribute_parallel_for_simd}, |
140 | {OMPD_distribute, OMPD_simd, OMPD_distribute_simd}, |
141 | {OMPD_end_declare, OMPD_target, OMPD_end_declare_target}, |
142 | {OMPD_target, OMPD_data, OMPD_target_data}, |
143 | {OMPD_target, OMPD_enter, OMPD_target_enter}, |
144 | {OMPD_target, OMPD_exit, OMPD_target_exit}, |
145 | {OMPD_target, OMPD_update, OMPD_target_update}, |
146 | {OMPD_target_enter, OMPD_data, OMPD_target_enter_data}, |
147 | {OMPD_target_exit, OMPD_data, OMPD_target_exit_data}, |
148 | {OMPD_for, OMPD_simd, OMPD_for_simd}, |
149 | {OMPD_parallel, OMPD_for, OMPD_parallel_for}, |
150 | {OMPD_parallel_for, OMPD_simd, OMPD_parallel_for_simd}, |
151 | {OMPD_parallel, OMPD_sections, OMPD_parallel_sections}, |
152 | {OMPD_taskloop, OMPD_simd, OMPD_taskloop_simd}, |
153 | {OMPD_target, OMPD_parallel, OMPD_target_parallel}, |
154 | {OMPD_target, OMPD_simd, OMPD_target_simd}, |
155 | {OMPD_target_parallel, OMPD_for, OMPD_target_parallel_for}, |
156 | {OMPD_target_parallel_for, OMPD_simd, OMPD_target_parallel_for_simd}, |
157 | {OMPD_teams, OMPD_distribute, OMPD_teams_distribute}, |
158 | {OMPD_teams_distribute, OMPD_simd, OMPD_teams_distribute_simd}, |
159 | {OMPD_teams_distribute, OMPD_parallel, OMPD_teams_distribute_parallel}, |
160 | {OMPD_teams_distribute_parallel, OMPD_for, |
161 | OMPD_teams_distribute_parallel_for}, |
162 | {OMPD_teams_distribute_parallel_for, OMPD_simd, |
163 | OMPD_teams_distribute_parallel_for_simd}, |
164 | {OMPD_target, OMPD_teams, OMPD_target_teams}, |
165 | {OMPD_target_teams, OMPD_distribute, OMPD_target_teams_distribute}, |
166 | {OMPD_target_teams_distribute, OMPD_parallel, |
167 | OMPD_target_teams_distribute_parallel}, |
168 | {OMPD_target_teams_distribute, OMPD_simd, |
169 | OMPD_target_teams_distribute_simd}, |
170 | {OMPD_target_teams_distribute_parallel, OMPD_for, |
171 | OMPD_target_teams_distribute_parallel_for}, |
172 | {OMPD_target_teams_distribute_parallel_for, OMPD_simd, |
173 | OMPD_target_teams_distribute_parallel_for_simd}, |
174 | {OMPD_master, OMPD_taskloop, OMPD_master_taskloop}, |
175 | {OMPD_master_taskloop, OMPD_simd, OMPD_master_taskloop_simd}, |
176 | {OMPD_parallel, OMPD_master, OMPD_parallel_master}, |
177 | {OMPD_parallel_master, OMPD_taskloop, OMPD_parallel_master_taskloop}, |
178 | {OMPD_parallel_master_taskloop, OMPD_simd, |
179 | OMPD_parallel_master_taskloop_simd}}; |
180 | enum { CancellationPoint = 0, DeclareReduction = 1, TargetData = 2 }; |
181 | Token Tok = P.getCurToken(); |
182 | OpenMPDirectiveKindExWrapper DKind = |
183 | Tok.isAnnotation() |
184 | ? static_cast<unsigned>(OMPD_unknown) |
185 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
186 | if (DKind == OMPD_unknown) |
187 | return OMPD_unknown; |
188 | |
189 | for (unsigned I = 0; I < llvm::array_lengthof(F); ++I) { |
190 | if (DKind != F[I][0]) |
191 | continue; |
192 | |
193 | Tok = P.getPreprocessor().LookAhead(0); |
194 | OpenMPDirectiveKindExWrapper SDKind = |
195 | Tok.isAnnotation() |
196 | ? static_cast<unsigned>(OMPD_unknown) |
197 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
198 | if (SDKind == OMPD_unknown) |
199 | continue; |
200 | |
201 | if (SDKind == F[I][1]) { |
202 | P.ConsumeToken(); |
203 | DKind = F[I][2]; |
204 | } |
205 | } |
206 | return unsigned(DKind) < llvm::omp::Directive_enumSize |
207 | ? static_cast<OpenMPDirectiveKind>(DKind) |
208 | : OMPD_unknown; |
209 | } |
210 | |
211 | static DeclarationName parseOpenMPReductionId(Parser &P) { |
212 | Token Tok = P.getCurToken(); |
213 | Sema &Actions = P.getActions(); |
214 | OverloadedOperatorKind OOK = OO_None; |
215 | // Allow to use 'operator' keyword for C++ operators |
216 | bool WithOperator = false; |
217 | if (Tok.is(tok::kw_operator)) { |
218 | P.ConsumeToken(); |
219 | Tok = P.getCurToken(); |
220 | WithOperator = true; |
221 | } |
222 | switch (Tok.getKind()) { |
223 | case tok::plus: // '+' |
224 | OOK = OO_Plus; |
225 | break; |
226 | case tok::minus: // '-' |
227 | OOK = OO_Minus; |
228 | break; |
229 | case tok::star: // '*' |
230 | OOK = OO_Star; |
231 | break; |
232 | case tok::amp: // '&' |
233 | OOK = OO_Amp; |
234 | break; |
235 | case tok::pipe: // '|' |
236 | OOK = OO_Pipe; |
237 | break; |
238 | case tok::caret: // '^' |
239 | OOK = OO_Caret; |
240 | break; |
241 | case tok::ampamp: // '&&' |
242 | OOK = OO_AmpAmp; |
243 | break; |
244 | case tok::pipepipe: // '||' |
245 | OOK = OO_PipePipe; |
246 | break; |
247 | case tok::identifier: // identifier |
248 | if (!WithOperator) |
249 | break; |
250 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
251 | default: |
252 | P.Diag(Tok.getLocation(), diag::err_omp_expected_reduction_identifier); |
253 | P.SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
254 | Parser::StopBeforeMatch); |
255 | return DeclarationName(); |
256 | } |
257 | P.ConsumeToken(); |
258 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
259 | return OOK == OO_None ? DeclNames.getIdentifier(Tok.getIdentifierInfo()) |
260 | : DeclNames.getCXXOperatorName(OOK); |
261 | } |
262 | |
263 | /// Parse 'omp declare reduction' construct. |
264 | /// |
265 | /// declare-reduction-directive: |
266 | /// annot_pragma_openmp 'declare' 'reduction' |
267 | /// '(' <reduction_id> ':' <type> {',' <type>} ':' <expression> ')' |
268 | /// ['initializer' '(' ('omp_priv' '=' <expression>)|<function_call> ')'] |
269 | /// annot_pragma_openmp_end |
270 | /// <reduction_id> is either a base language identifier or one of the following |
271 | /// operators: '+', '-', '*', '&', '|', '^', '&&' and '||'. |
272 | /// |
273 | Parser::DeclGroupPtrTy |
274 | Parser::ParseOpenMPDeclareReductionDirective(AccessSpecifier AS) { |
275 | // Parse '('. |
276 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
277 | if (T.expectAndConsume( |
278 | diag::err_expected_lparen_after, |
279 | getOpenMPDirectiveName(OMPD_declare_reduction).data())) { |
280 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
281 | return DeclGroupPtrTy(); |
282 | } |
283 | |
284 | DeclarationName Name = parseOpenMPReductionId(*this); |
285 | if (Name.isEmpty() && Tok.is(tok::annot_pragma_openmp_end)) |
286 | return DeclGroupPtrTy(); |
287 | |
288 | // Consume ':'. |
289 | bool IsCorrect = !ExpectAndConsume(tok::colon); |
290 | |
291 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
292 | return DeclGroupPtrTy(); |
293 | |
294 | IsCorrect = IsCorrect && !Name.isEmpty(); |
295 | |
296 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) { |
297 | Diag(Tok.getLocation(), diag::err_expected_type); |
298 | IsCorrect = false; |
299 | } |
300 | |
301 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
302 | return DeclGroupPtrTy(); |
303 | |
304 | SmallVector<std::pair<QualType, SourceLocation>, 8> ReductionTypes; |
305 | // Parse list of types until ':' token. |
306 | do { |
307 | ColonProtectionRAIIObject ColonRAII(*this); |
308 | SourceRange Range; |
309 | TypeResult TR = ParseTypeName(&Range, DeclaratorContext::Prototype, AS); |
310 | if (TR.isUsable()) { |
311 | QualType ReductionType = |
312 | Actions.ActOnOpenMPDeclareReductionType(Range.getBegin(), TR); |
313 | if (!ReductionType.isNull()) { |
314 | ReductionTypes.push_back( |
315 | std::make_pair(ReductionType, Range.getBegin())); |
316 | } |
317 | } else { |
318 | SkipUntil(tok::comma, tok::colon, tok::annot_pragma_openmp_end, |
319 | StopBeforeMatch); |
320 | } |
321 | |
322 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) |
323 | break; |
324 | |
325 | // Consume ','. |
326 | if (ExpectAndConsume(tok::comma)) { |
327 | IsCorrect = false; |
328 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
329 | Diag(Tok.getLocation(), diag::err_expected_type); |
330 | return DeclGroupPtrTy(); |
331 | } |
332 | } |
333 | } while (Tok.isNot(tok::annot_pragma_openmp_end)); |
334 | |
335 | if (ReductionTypes.empty()) { |
336 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
337 | return DeclGroupPtrTy(); |
338 | } |
339 | |
340 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
341 | return DeclGroupPtrTy(); |
342 | |
343 | // Consume ':'. |
344 | if (ExpectAndConsume(tok::colon)) |
345 | IsCorrect = false; |
346 | |
347 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
348 | Diag(Tok.getLocation(), diag::err_expected_expression); |
349 | return DeclGroupPtrTy(); |
350 | } |
351 | |
352 | DeclGroupPtrTy DRD = Actions.ActOnOpenMPDeclareReductionDirectiveStart( |
353 | getCurScope(), Actions.getCurLexicalContext(), Name, ReductionTypes, AS); |
354 | |
355 | // Parse <combiner> expression and then parse initializer if any for each |
356 | // correct type. |
357 | unsigned I = 0, E = ReductionTypes.size(); |
358 | for (Decl *D : DRD.get()) { |
359 | TentativeParsingAction TPA(*this); |
360 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
361 | Scope::CompoundStmtScope | |
362 | Scope::OpenMPDirectiveScope); |
363 | // Parse <combiner> expression. |
364 | Actions.ActOnOpenMPDeclareReductionCombinerStart(getCurScope(), D); |
365 | ExprResult CombinerResult = Actions.ActOnFinishFullExpr( |
366 | ParseExpression().get(), D->getLocation(), /*DiscardedValue*/ false); |
367 | Actions.ActOnOpenMPDeclareReductionCombinerEnd(D, CombinerResult.get()); |
368 | |
369 | if (CombinerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
370 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
371 | TPA.Commit(); |
372 | IsCorrect = false; |
373 | break; |
374 | } |
375 | IsCorrect = !T.consumeClose() && IsCorrect && CombinerResult.isUsable(); |
376 | ExprResult InitializerResult; |
377 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
378 | // Parse <initializer> expression. |
379 | if (Tok.is(tok::identifier) && |
380 | Tok.getIdentifierInfo()->isStr("initializer")) { |
381 | ConsumeToken(); |
382 | } else { |
383 | Diag(Tok.getLocation(), diag::err_expected) << "'initializer'"; |
384 | TPA.Commit(); |
385 | IsCorrect = false; |
386 | break; |
387 | } |
388 | // Parse '('. |
389 | BalancedDelimiterTracker T(*this, tok::l_paren, |
390 | tok::annot_pragma_openmp_end); |
391 | IsCorrect = |
392 | !T.expectAndConsume(diag::err_expected_lparen_after, "initializer") && |
393 | IsCorrect; |
394 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
395 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
396 | Scope::CompoundStmtScope | |
397 | Scope::OpenMPDirectiveScope); |
398 | // Parse expression. |
399 | VarDecl *OmpPrivParm = |
400 | Actions.ActOnOpenMPDeclareReductionInitializerStart(getCurScope(), |
401 | D); |
402 | // Check if initializer is omp_priv <init_expr> or something else. |
403 | if (Tok.is(tok::identifier) && |
404 | Tok.getIdentifierInfo()->isStr("omp_priv")) { |
405 | ConsumeToken(); |
406 | ParseOpenMPReductionInitializerForDecl(OmpPrivParm); |
407 | } else { |
408 | InitializerResult = Actions.ActOnFinishFullExpr( |
409 | ParseAssignmentExpression().get(), D->getLocation(), |
410 | /*DiscardedValue*/ false); |
411 | } |
412 | Actions.ActOnOpenMPDeclareReductionInitializerEnd( |
413 | D, InitializerResult.get(), OmpPrivParm); |
414 | if (InitializerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
415 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
416 | TPA.Commit(); |
417 | IsCorrect = false; |
418 | break; |
419 | } |
420 | IsCorrect = |
421 | !T.consumeClose() && IsCorrect && !InitializerResult.isInvalid(); |
422 | } |
423 | } |
424 | |
425 | ++I; |
426 | // Revert parsing if not the last type, otherwise accept it, we're done with |
427 | // parsing. |
428 | if (I != E) |
429 | TPA.Revert(); |
430 | else |
431 | TPA.Commit(); |
432 | } |
433 | return Actions.ActOnOpenMPDeclareReductionDirectiveEnd(getCurScope(), DRD, |
434 | IsCorrect); |
435 | } |
436 | |
437 | void Parser::ParseOpenMPReductionInitializerForDecl(VarDecl *OmpPrivParm) { |
438 | // Parse declarator '=' initializer. |
439 | // If a '==' or '+=' is found, suggest a fixit to '='. |
440 | if (isTokenEqualOrEqualTypo()) { |
441 | ConsumeToken(); |
442 | |
443 | if (Tok.is(tok::code_completion)) { |
444 | Actions.CodeCompleteInitializer(getCurScope(), OmpPrivParm); |
445 | Actions.FinalizeDeclaration(OmpPrivParm); |
446 | cutOffParsing(); |
447 | return; |
448 | } |
449 | |
450 | PreferredType.enterVariableInit(Tok.getLocation(), OmpPrivParm); |
451 | ExprResult Init = ParseInitializer(); |
452 | |
453 | if (Init.isInvalid()) { |
454 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
455 | Actions.ActOnInitializerError(OmpPrivParm); |
456 | } else { |
457 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
458 | /*DirectInit=*/false); |
459 | } |
460 | } else if (Tok.is(tok::l_paren)) { |
461 | // Parse C++ direct initializer: '(' expression-list ')' |
462 | BalancedDelimiterTracker T(*this, tok::l_paren); |
463 | T.consumeOpen(); |
464 | |
465 | ExprVector Exprs; |
466 | CommaLocsTy CommaLocs; |
467 | |
468 | SourceLocation LParLoc = T.getOpenLocation(); |
469 | auto RunSignatureHelp = [this, OmpPrivParm, LParLoc, &Exprs]() { |
470 | QualType PreferredType = Actions.ProduceConstructorSignatureHelp( |
471 | getCurScope(), OmpPrivParm->getType()->getCanonicalTypeInternal(), |
472 | OmpPrivParm->getLocation(), Exprs, LParLoc); |
473 | CalledSignatureHelp = true; |
474 | return PreferredType; |
475 | }; |
476 | if (ParseExpressionList(Exprs, CommaLocs, [&] { |
477 | PreferredType.enterFunctionArgument(Tok.getLocation(), |
478 | RunSignatureHelp); |
479 | })) { |
480 | if (PP.isCodeCompletionReached() && !CalledSignatureHelp) |
481 | RunSignatureHelp(); |
482 | Actions.ActOnInitializerError(OmpPrivParm); |
483 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
484 | } else { |
485 | // Match the ')'. |
486 | SourceLocation RLoc = Tok.getLocation(); |
487 | if (!T.consumeClose()) |
488 | RLoc = T.getCloseLocation(); |
489 | |
490 | assert(!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() &&((!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size () && "Unexpected number of commas!") ? static_cast< void> (0) : __assert_fail ("!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() && \"Unexpected number of commas!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 491, __PRETTY_FUNCTION__)) |
491 | "Unexpected number of commas!")((!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size () && "Unexpected number of commas!") ? static_cast< void> (0) : __assert_fail ("!Exprs.empty() && Exprs.size() - 1 == CommaLocs.size() && \"Unexpected number of commas!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 491, __PRETTY_FUNCTION__)); |
492 | |
493 | ExprResult Initializer = |
494 | Actions.ActOnParenListExpr(T.getOpenLocation(), RLoc, Exprs); |
495 | Actions.AddInitializerToDecl(OmpPrivParm, Initializer.get(), |
496 | /*DirectInit=*/true); |
497 | } |
498 | } else if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
499 | // Parse C++0x braced-init-list. |
500 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
501 | |
502 | ExprResult Init(ParseBraceInitializer()); |
503 | |
504 | if (Init.isInvalid()) { |
505 | Actions.ActOnInitializerError(OmpPrivParm); |
506 | } else { |
507 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
508 | /*DirectInit=*/true); |
509 | } |
510 | } else { |
511 | Actions.ActOnUninitializedDecl(OmpPrivParm); |
512 | } |
513 | } |
514 | |
515 | /// Parses 'omp declare mapper' directive. |
516 | /// |
517 | /// declare-mapper-directive: |
518 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifier> ':'] |
519 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
520 | /// annot_pragma_openmp_end |
521 | /// <mapper-identifier> and <var> are base language identifiers. |
522 | /// |
523 | Parser::DeclGroupPtrTy |
524 | Parser::ParseOpenMPDeclareMapperDirective(AccessSpecifier AS) { |
525 | bool IsCorrect = true; |
526 | // Parse '(' |
527 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
528 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
529 | getOpenMPDirectiveName(OMPD_declare_mapper).data())) { |
530 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
531 | return DeclGroupPtrTy(); |
532 | } |
533 | |
534 | // Parse <mapper-identifier> |
535 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
536 | DeclarationName MapperId; |
537 | if (PP.LookAhead(0).is(tok::colon)) { |
538 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
539 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
540 | IsCorrect = false; |
541 | } else { |
542 | MapperId = DeclNames.getIdentifier(Tok.getIdentifierInfo()); |
543 | } |
544 | ConsumeToken(); |
545 | // Consume ':'. |
546 | ExpectAndConsume(tok::colon); |
547 | } else { |
548 | // If no mapper identifier is provided, its name is "default" by default |
549 | MapperId = |
550 | DeclNames.getIdentifier(&Actions.getASTContext().Idents.get("default")); |
551 | } |
552 | |
553 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
554 | return DeclGroupPtrTy(); |
555 | |
556 | // Parse <type> <var> |
557 | DeclarationName VName; |
558 | QualType MapperType; |
559 | SourceRange Range; |
560 | TypeResult ParsedType = parseOpenMPDeclareMapperVarDecl(Range, VName, AS); |
561 | if (ParsedType.isUsable()) |
562 | MapperType = |
563 | Actions.ActOnOpenMPDeclareMapperType(Range.getBegin(), ParsedType); |
564 | if (MapperType.isNull()) |
565 | IsCorrect = false; |
566 | if (!IsCorrect) { |
567 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
568 | return DeclGroupPtrTy(); |
569 | } |
570 | |
571 | // Consume ')'. |
572 | IsCorrect &= !T.consumeClose(); |
573 | if (!IsCorrect) { |
574 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
575 | return DeclGroupPtrTy(); |
576 | } |
577 | |
578 | // Enter scope. |
579 | DeclarationNameInfo DirName; |
580 | SourceLocation Loc = Tok.getLocation(); |
581 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
582 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
583 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
584 | Actions.StartOpenMPDSABlock(OMPD_declare_mapper, DirName, getCurScope(), Loc); |
585 | |
586 | // Add the mapper variable declaration. |
587 | ExprResult MapperVarRef = Actions.ActOnOpenMPDeclareMapperDirectiveVarDecl( |
588 | getCurScope(), MapperType, Range.getBegin(), VName); |
589 | |
590 | // Parse map clauses. |
591 | SmallVector<OMPClause *, 6> Clauses; |
592 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
593 | OpenMPClauseKind CKind = Tok.isAnnotation() |
594 | ? OMPC_unknown |
595 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
596 | Actions.StartOpenMPClause(CKind); |
597 | OMPClause *Clause = |
598 | ParseOpenMPClause(OMPD_declare_mapper, CKind, Clauses.empty()); |
599 | if (Clause) |
600 | Clauses.push_back(Clause); |
601 | else |
602 | IsCorrect = false; |
603 | // Skip ',' if any. |
604 | if (Tok.is(tok::comma)) |
605 | ConsumeToken(); |
606 | Actions.EndOpenMPClause(); |
607 | } |
608 | if (Clauses.empty()) { |
609 | Diag(Tok, diag::err_omp_expected_clause) |
610 | << getOpenMPDirectiveName(OMPD_declare_mapper); |
611 | IsCorrect = false; |
612 | } |
613 | |
614 | // Exit scope. |
615 | Actions.EndOpenMPDSABlock(nullptr); |
616 | OMPDirectiveScope.Exit(); |
617 | DeclGroupPtrTy DG = Actions.ActOnOpenMPDeclareMapperDirective( |
618 | getCurScope(), Actions.getCurLexicalContext(), MapperId, MapperType, |
619 | Range.getBegin(), VName, AS, MapperVarRef.get(), Clauses); |
620 | if (!IsCorrect) |
621 | return DeclGroupPtrTy(); |
622 | |
623 | return DG; |
624 | } |
625 | |
626 | TypeResult Parser::parseOpenMPDeclareMapperVarDecl(SourceRange &Range, |
627 | DeclarationName &Name, |
628 | AccessSpecifier AS) { |
629 | // Parse the common declaration-specifiers piece. |
630 | Parser::DeclSpecContext DSC = Parser::DeclSpecContext::DSC_type_specifier; |
631 | DeclSpec DS(AttrFactory); |
632 | ParseSpecifierQualifierList(DS, AS, DSC); |
633 | |
634 | // Parse the declarator. |
635 | DeclaratorContext Context = DeclaratorContext::Prototype; |
636 | Declarator DeclaratorInfo(DS, Context); |
637 | ParseDeclarator(DeclaratorInfo); |
638 | Range = DeclaratorInfo.getSourceRange(); |
639 | if (DeclaratorInfo.getIdentifier() == nullptr) { |
640 | Diag(Tok.getLocation(), diag::err_omp_mapper_expected_declarator); |
641 | return true; |
642 | } |
643 | Name = Actions.GetNameForDeclarator(DeclaratorInfo).getName(); |
644 | |
645 | return Actions.ActOnOpenMPDeclareMapperVarDecl(getCurScope(), DeclaratorInfo); |
646 | } |
647 | |
648 | namespace { |
649 | /// RAII that recreates function context for correct parsing of clauses of |
650 | /// 'declare simd' construct. |
651 | /// OpenMP, 2.8.2 declare simd Construct |
652 | /// The expressions appearing in the clauses of this directive are evaluated in |
653 | /// the scope of the arguments of the function declaration or definition. |
654 | class FNContextRAII final { |
655 | Parser &P; |
656 | Sema::CXXThisScopeRAII *ThisScope; |
657 | Parser::MultiParseScope Scopes; |
658 | bool HasFunScope = false; |
659 | FNContextRAII() = delete; |
660 | FNContextRAII(const FNContextRAII &) = delete; |
661 | FNContextRAII &operator=(const FNContextRAII &) = delete; |
662 | |
663 | public: |
664 | FNContextRAII(Parser &P, Parser::DeclGroupPtrTy Ptr) : P(P), Scopes(P) { |
665 | Decl *D = *Ptr.get().begin(); |
666 | NamedDecl *ND = dyn_cast<NamedDecl>(D); |
667 | RecordDecl *RD = dyn_cast_or_null<RecordDecl>(D->getDeclContext()); |
668 | Sema &Actions = P.getActions(); |
669 | |
670 | // Allow 'this' within late-parsed attributes. |
671 | ThisScope = new Sema::CXXThisScopeRAII(Actions, RD, Qualifiers(), |
672 | ND && ND->isCXXInstanceMember()); |
673 | |
674 | // If the Decl is templatized, add template parameters to scope. |
675 | // FIXME: Track CurTemplateDepth? |
676 | P.ReenterTemplateScopes(Scopes, D); |
677 | |
678 | // If the Decl is on a function, add function parameters to the scope. |
679 | if (D->isFunctionOrFunctionTemplate()) { |
680 | HasFunScope = true; |
681 | Scopes.Enter(Scope::FnScope | Scope::DeclScope | |
682 | Scope::CompoundStmtScope); |
683 | Actions.ActOnReenterFunctionContext(Actions.getCurScope(), D); |
684 | } |
685 | } |
686 | ~FNContextRAII() { |
687 | if (HasFunScope) |
688 | P.getActions().ActOnExitFunctionContext(); |
689 | delete ThisScope; |
690 | } |
691 | }; |
692 | } // namespace |
693 | |
694 | /// Parses clauses for 'declare simd' directive. |
695 | /// clause: |
696 | /// 'inbranch' | 'notinbranch' |
697 | /// 'simdlen' '(' <expr> ')' |
698 | /// { 'uniform' '(' <argument_list> ')' } |
699 | /// { 'aligned '(' <argument_list> [ ':' <alignment> ] ')' } |
700 | /// { 'linear '(' <argument_list> [ ':' <step> ] ')' } |
701 | static bool parseDeclareSimdClauses( |
702 | Parser &P, OMPDeclareSimdDeclAttr::BranchStateTy &BS, ExprResult &SimdLen, |
703 | SmallVectorImpl<Expr *> &Uniforms, SmallVectorImpl<Expr *> &Aligneds, |
704 | SmallVectorImpl<Expr *> &Alignments, SmallVectorImpl<Expr *> &Linears, |
705 | SmallVectorImpl<unsigned> &LinModifiers, SmallVectorImpl<Expr *> &Steps) { |
706 | SourceRange BSRange; |
707 | const Token &Tok = P.getCurToken(); |
708 | bool IsError = false; |
709 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
710 | if (Tok.isNot(tok::identifier)) |
711 | break; |
712 | OMPDeclareSimdDeclAttr::BranchStateTy Out; |
713 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
714 | StringRef ClauseName = II->getName(); |
715 | // Parse 'inranch|notinbranch' clauses. |
716 | if (OMPDeclareSimdDeclAttr::ConvertStrToBranchStateTy(ClauseName, Out)) { |
717 | if (BS != OMPDeclareSimdDeclAttr::BS_Undefined && BS != Out) { |
718 | P.Diag(Tok, diag::err_omp_declare_simd_inbranch_notinbranch) |
719 | << ClauseName |
720 | << OMPDeclareSimdDeclAttr::ConvertBranchStateTyToStr(BS) << BSRange; |
721 | IsError = true; |
722 | } |
723 | BS = Out; |
724 | BSRange = SourceRange(Tok.getLocation(), Tok.getEndLoc()); |
725 | P.ConsumeToken(); |
726 | } else if (ClauseName.equals("simdlen")) { |
727 | if (SimdLen.isUsable()) { |
728 | P.Diag(Tok, diag::err_omp_more_one_clause) |
729 | << getOpenMPDirectiveName(OMPD_declare_simd) << ClauseName << 0; |
730 | IsError = true; |
731 | } |
732 | P.ConsumeToken(); |
733 | SourceLocation RLoc; |
734 | SimdLen = P.ParseOpenMPParensExpr(ClauseName, RLoc); |
735 | if (SimdLen.isInvalid()) |
736 | IsError = true; |
737 | } else { |
738 | OpenMPClauseKind CKind = getOpenMPClauseKind(ClauseName); |
739 | if (CKind == OMPC_uniform || CKind == OMPC_aligned || |
740 | CKind == OMPC_linear) { |
741 | Parser::OpenMPVarListDataTy Data; |
742 | SmallVectorImpl<Expr *> *Vars = &Uniforms; |
743 | if (CKind == OMPC_aligned) { |
744 | Vars = &Aligneds; |
745 | } else if (CKind == OMPC_linear) { |
746 | Data.ExtraModifier = OMPC_LINEAR_val; |
747 | Vars = &Linears; |
748 | } |
749 | |
750 | P.ConsumeToken(); |
751 | if (P.ParseOpenMPVarList(OMPD_declare_simd, |
752 | getOpenMPClauseKind(ClauseName), *Vars, Data)) |
753 | IsError = true; |
754 | if (CKind == OMPC_aligned) { |
755 | Alignments.append(Aligneds.size() - Alignments.size(), |
756 | Data.DepModOrTailExpr); |
757 | } else if (CKind == OMPC_linear) { |
758 | assert(0 <= Data.ExtraModifier &&((0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? static_cast<void> (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 760, __PRETTY_FUNCTION__)) |
759 | Data.ExtraModifier <= OMPC_LINEAR_unknown &&((0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? static_cast<void> (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 760, __PRETTY_FUNCTION__)) |
760 | "Unexpected linear modifier.")((0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? static_cast<void> (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 760, __PRETTY_FUNCTION__)); |
761 | if (P.getActions().CheckOpenMPLinearModifier( |
762 | static_cast<OpenMPLinearClauseKind>(Data.ExtraModifier), |
763 | Data.ExtraModifierLoc)) |
764 | Data.ExtraModifier = OMPC_LINEAR_val; |
765 | LinModifiers.append(Linears.size() - LinModifiers.size(), |
766 | Data.ExtraModifier); |
767 | Steps.append(Linears.size() - Steps.size(), Data.DepModOrTailExpr); |
768 | } |
769 | } else |
770 | // TODO: add parsing of other clauses. |
771 | break; |
772 | } |
773 | // Skip ',' if any. |
774 | if (Tok.is(tok::comma)) |
775 | P.ConsumeToken(); |
776 | } |
777 | return IsError; |
778 | } |
779 | |
780 | /// Parse clauses for '#pragma omp declare simd'. |
781 | Parser::DeclGroupPtrTy |
782 | Parser::ParseOMPDeclareSimdClauses(Parser::DeclGroupPtrTy Ptr, |
783 | CachedTokens &Toks, SourceLocation Loc) { |
784 | PP.EnterToken(Tok, /*IsReinject*/ true); |
785 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
786 | /*IsReinject*/ true); |
787 | // Consume the previously pushed token. |
788 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
789 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
790 | |
791 | FNContextRAII FnContext(*this, Ptr); |
792 | OMPDeclareSimdDeclAttr::BranchStateTy BS = |
793 | OMPDeclareSimdDeclAttr::BS_Undefined; |
794 | ExprResult Simdlen; |
795 | SmallVector<Expr *, 4> Uniforms; |
796 | SmallVector<Expr *, 4> Aligneds; |
797 | SmallVector<Expr *, 4> Alignments; |
798 | SmallVector<Expr *, 4> Linears; |
799 | SmallVector<unsigned, 4> LinModifiers; |
800 | SmallVector<Expr *, 4> Steps; |
801 | bool IsError = |
802 | parseDeclareSimdClauses(*this, BS, Simdlen, Uniforms, Aligneds, |
803 | Alignments, Linears, LinModifiers, Steps); |
804 | skipUntilPragmaOpenMPEnd(OMPD_declare_simd); |
805 | // Skip the last annot_pragma_openmp_end. |
806 | SourceLocation EndLoc = ConsumeAnnotationToken(); |
807 | if (IsError) |
808 | return Ptr; |
809 | return Actions.ActOnOpenMPDeclareSimdDirective( |
810 | Ptr, BS, Simdlen.get(), Uniforms, Aligneds, Alignments, Linears, |
811 | LinModifiers, Steps, SourceRange(Loc, EndLoc)); |
812 | } |
813 | |
814 | namespace { |
815 | /// Constant used in the diagnostics to distinguish the levels in an OpenMP |
816 | /// contexts: selector-set={selector(trait, ...), ...}, .... |
817 | enum OMPContextLvl { |
818 | CONTEXT_SELECTOR_SET_LVL = 0, |
819 | CONTEXT_SELECTOR_LVL = 1, |
820 | CONTEXT_TRAIT_LVL = 2, |
821 | }; |
822 | |
823 | static StringRef stringLiteralParser(Parser &P) { |
824 | ExprResult Res = P.ParseStringLiteralExpression(true); |
825 | return Res.isUsable() ? Res.getAs<StringLiteral>()->getString() : ""; |
826 | } |
827 | |
828 | static StringRef getNameFromIdOrString(Parser &P, Token &Tok, |
829 | OMPContextLvl Lvl) { |
830 | if (Tok.is(tok::identifier)) { |
831 | llvm::SmallString<16> Buffer; |
832 | StringRef Name = P.getPreprocessor().getSpelling(Tok, Buffer); |
833 | (void)P.ConsumeToken(); |
834 | return Name; |
835 | } |
836 | |
837 | if (tok::isStringLiteral(Tok.getKind())) |
838 | return stringLiteralParser(P); |
839 | |
840 | P.Diag(Tok.getLocation(), |
841 | diag::warn_omp_declare_variant_string_literal_or_identifier) |
842 | << Lvl; |
843 | return ""; |
844 | } |
845 | |
846 | static bool checkForDuplicates(Parser &P, StringRef Name, |
847 | SourceLocation NameLoc, |
848 | llvm::StringMap<SourceLocation> &Seen, |
849 | OMPContextLvl Lvl) { |
850 | auto Res = Seen.try_emplace(Name, NameLoc); |
851 | if (Res.second) |
852 | return false; |
853 | |
854 | // Each trait-set-selector-name, trait-selector-name and trait-name can |
855 | // only be specified once. |
856 | P.Diag(NameLoc, diag::warn_omp_declare_variant_ctx_mutiple_use) |
857 | << Lvl << Name; |
858 | P.Diag(Res.first->getValue(), diag::note_omp_declare_variant_ctx_used_here) |
859 | << Lvl << Name; |
860 | return true; |
861 | } |
862 | } // namespace |
863 | |
864 | void Parser::parseOMPTraitPropertyKind(OMPTraitProperty &TIProperty, |
865 | llvm::omp::TraitSet Set, |
866 | llvm::omp::TraitSelector Selector, |
867 | llvm::StringMap<SourceLocation> &Seen) { |
868 | TIProperty.Kind = TraitProperty::invalid; |
869 | |
870 | SourceLocation NameLoc = Tok.getLocation(); |
871 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_TRAIT_LVL); |
872 | if (Name.empty()) { |
873 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
874 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
875 | return; |
876 | } |
877 | |
878 | TIProperty.RawString = Name; |
879 | TIProperty.Kind = getOpenMPContextTraitPropertyKind(Set, Selector, Name); |
880 | if (TIProperty.Kind != TraitProperty::invalid) { |
881 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_TRAIT_LVL)) |
882 | TIProperty.Kind = TraitProperty::invalid; |
883 | return; |
884 | } |
885 | |
886 | // It follows diagnosis and helping notes. |
887 | // FIXME: We should move the diagnosis string generation into libFrontend. |
888 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_property) |
889 | << Name << getOpenMPContextTraitSelectorName(Selector) |
890 | << getOpenMPContextTraitSetName(Set); |
891 | |
892 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
893 | if (SetForName != TraitSet::invalid) { |
894 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
895 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_TRAIT_LVL; |
896 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
897 | << Name << "<selector-name>" |
898 | << "(<property-name>)"; |
899 | return; |
900 | } |
901 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
902 | if (SelectorForName != TraitSelector::invalid) { |
903 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
904 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_TRAIT_LVL; |
905 | bool AllowsTraitScore = false; |
906 | bool RequiresProperty = false; |
907 | isValidTraitSelectorForTraitSet( |
908 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
909 | AllowsTraitScore, RequiresProperty); |
910 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
911 | << getOpenMPContextTraitSetName( |
912 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
913 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
914 | return; |
915 | } |
916 | for (const auto &PotentialSet : |
917 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
918 | TraitSet::device}) { |
919 | TraitProperty PropertyForName = |
920 | getOpenMPContextTraitPropertyKind(PotentialSet, Selector, Name); |
921 | if (PropertyForName == TraitProperty::invalid) |
922 | continue; |
923 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
924 | << getOpenMPContextTraitSetName( |
925 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
926 | << getOpenMPContextTraitSelectorName( |
927 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
928 | << ("(" + Name + ")").str(); |
929 | return; |
930 | } |
931 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
932 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
933 | } |
934 | |
935 | static bool checkExtensionProperty(Parser &P, SourceLocation Loc, |
936 | OMPTraitProperty &TIProperty, |
937 | OMPTraitSelector &TISelector, |
938 | llvm::StringMap<SourceLocation> &Seen) { |
939 | assert(TISelector.Kind ==((TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`" ) ? static_cast<void> (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 942, __PRETTY_FUNCTION__)) |
940 | llvm::omp::TraitSelector::implementation_extension &&((TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`" ) ? static_cast<void> (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 942, __PRETTY_FUNCTION__)) |
941 | "Only for extension properties, e.g., "((TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`" ) ? static_cast<void> (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 942, __PRETTY_FUNCTION__)) |
942 | "`implementation={extension(PROPERTY)}`")((TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`" ) ? static_cast<void> (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 942, __PRETTY_FUNCTION__)); |
943 | if (TIProperty.Kind == TraitProperty::invalid) |
944 | return false; |
945 | |
946 | if (TIProperty.Kind == |
947 | TraitProperty::implementation_extension_disable_implicit_base) |
948 | return true; |
949 | |
950 | if (TIProperty.Kind == |
951 | TraitProperty::implementation_extension_allow_templates) |
952 | return true; |
953 | |
954 | auto IsMatchExtension = [](OMPTraitProperty &TP) { |
955 | return (TP.Kind == |
956 | llvm::omp::TraitProperty::implementation_extension_match_all || |
957 | TP.Kind == |
958 | llvm::omp::TraitProperty::implementation_extension_match_any || |
959 | TP.Kind == |
960 | llvm::omp::TraitProperty::implementation_extension_match_none); |
961 | }; |
962 | |
963 | if (IsMatchExtension(TIProperty)) { |
964 | for (OMPTraitProperty &SeenProp : TISelector.Properties) |
965 | if (IsMatchExtension(SeenProp)) { |
966 | P.Diag(Loc, diag::err_omp_variant_ctx_second_match_extension); |
967 | StringRef SeenName = llvm::omp::getOpenMPContextTraitPropertyName( |
968 | SeenProp.Kind, SeenProp.RawString); |
969 | SourceLocation SeenLoc = Seen[SeenName]; |
970 | P.Diag(SeenLoc, diag::note_omp_declare_variant_ctx_used_here) |
971 | << CONTEXT_TRAIT_LVL << SeenName; |
972 | return false; |
973 | } |
974 | return true; |
975 | } |
976 | |
977 | llvm_unreachable("Unknown extension property!")::llvm::llvm_unreachable_internal("Unknown extension property!" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 977); |
978 | } |
979 | |
980 | void Parser::parseOMPContextProperty(OMPTraitSelector &TISelector, |
981 | llvm::omp::TraitSet Set, |
982 | llvm::StringMap<SourceLocation> &Seen) { |
983 | assert(TISelector.Kind != TraitSelector::user_condition &&((TISelector.Kind != TraitSelector::user_condition && "User conditions are special properties not handled here!") ? static_cast<void> (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 984, __PRETTY_FUNCTION__)) |
984 | "User conditions are special properties not handled here!")((TISelector.Kind != TraitSelector::user_condition && "User conditions are special properties not handled here!") ? static_cast<void> (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 984, __PRETTY_FUNCTION__)); |
985 | |
986 | SourceLocation PropertyLoc = Tok.getLocation(); |
987 | OMPTraitProperty TIProperty; |
988 | parseOMPTraitPropertyKind(TIProperty, Set, TISelector.Kind, Seen); |
989 | |
990 | if (TISelector.Kind == llvm::omp::TraitSelector::implementation_extension) |
991 | if (!checkExtensionProperty(*this, Tok.getLocation(), TIProperty, |
992 | TISelector, Seen)) |
993 | TIProperty.Kind = TraitProperty::invalid; |
994 | |
995 | // If we have an invalid property here we already issued a warning. |
996 | if (TIProperty.Kind == TraitProperty::invalid) { |
997 | if (PropertyLoc != Tok.getLocation()) |
998 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
999 | << CONTEXT_TRAIT_LVL; |
1000 | return; |
1001 | } |
1002 | |
1003 | if (isValidTraitPropertyForTraitSetAndSelector(TIProperty.Kind, |
1004 | TISelector.Kind, Set)) { |
1005 | |
1006 | // If we make it here the property, selector, set, score, condition, ... are |
1007 | // all valid (or have been corrected). Thus we can record the property. |
1008 | TISelector.Properties.push_back(TIProperty); |
1009 | return; |
1010 | } |
1011 | |
1012 | Diag(PropertyLoc, diag::warn_omp_ctx_incompatible_property_for_selector) |
1013 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1014 | TIProperty.RawString) |
1015 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1016 | << getOpenMPContextTraitSetName(Set); |
1017 | Diag(PropertyLoc, diag::note_omp_ctx_compatible_set_and_selector_for_property) |
1018 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1019 | TIProperty.RawString) |
1020 | << getOpenMPContextTraitSelectorName( |
1021 | getOpenMPContextTraitSelectorForProperty(TIProperty.Kind)) |
1022 | << getOpenMPContextTraitSetName( |
1023 | getOpenMPContextTraitSetForProperty(TIProperty.Kind)); |
1024 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1025 | << CONTEXT_TRAIT_LVL; |
1026 | } |
1027 | |
1028 | void Parser::parseOMPTraitSelectorKind(OMPTraitSelector &TISelector, |
1029 | llvm::omp::TraitSet Set, |
1030 | llvm::StringMap<SourceLocation> &Seen) { |
1031 | TISelector.Kind = TraitSelector::invalid; |
1032 | |
1033 | SourceLocation NameLoc = Tok.getLocation(); |
1034 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_LVL); |
1035 | if (Name.empty()) { |
1036 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1037 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1038 | return; |
1039 | } |
1040 | |
1041 | TISelector.Kind = getOpenMPContextTraitSelectorKind(Name); |
1042 | if (TISelector.Kind != TraitSelector::invalid) { |
1043 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_SELECTOR_LVL)) |
1044 | TISelector.Kind = TraitSelector::invalid; |
1045 | return; |
1046 | } |
1047 | |
1048 | // It follows diagnosis and helping notes. |
1049 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_selector) |
1050 | << Name << getOpenMPContextTraitSetName(Set); |
1051 | |
1052 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
1053 | if (SetForName != TraitSet::invalid) { |
1054 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1055 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_SELECTOR_LVL; |
1056 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1057 | << Name << "<selector-name>" |
1058 | << "<property-name>"; |
1059 | return; |
1060 | } |
1061 | for (const auto &PotentialSet : |
1062 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1063 | TraitSet::device}) { |
1064 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1065 | PotentialSet, TraitSelector::invalid, Name); |
1066 | if (PropertyForName == TraitProperty::invalid) |
1067 | continue; |
1068 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1069 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_LVL; |
1070 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1071 | << getOpenMPContextTraitSetName( |
1072 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1073 | << getOpenMPContextTraitSelectorName( |
1074 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1075 | << ("(" + Name + ")").str(); |
1076 | return; |
1077 | } |
1078 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1079 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1080 | } |
1081 | |
1082 | /// Parse optional 'score' '(' <expr> ')' ':'. |
1083 | static ExprResult parseContextScore(Parser &P) { |
1084 | ExprResult ScoreExpr; |
1085 | llvm::SmallString<16> Buffer; |
1086 | StringRef SelectorName = |
1087 | P.getPreprocessor().getSpelling(P.getCurToken(), Buffer); |
1088 | if (!SelectorName.equals("score")) |
1089 | return ScoreExpr; |
1090 | (void)P.ConsumeToken(); |
1091 | SourceLocation RLoc; |
1092 | ScoreExpr = P.ParseOpenMPParensExpr(SelectorName, RLoc); |
1093 | // Parse ':' |
1094 | if (P.getCurToken().is(tok::colon)) |
1095 | (void)P.ConsumeAnyToken(); |
1096 | else |
1097 | P.Diag(P.getCurToken(), diag::warn_omp_declare_variant_expected) |
1098 | << "':'" |
1099 | << "score expression"; |
1100 | return ScoreExpr; |
1101 | } |
1102 | |
1103 | /// Parses an OpenMP context selector. |
1104 | /// |
1105 | /// <trait-selector-name> ['('[<trait-score>] <trait-property> [, <t-p>]* ')'] |
1106 | void Parser::parseOMPContextSelector( |
1107 | OMPTraitSelector &TISelector, llvm::omp::TraitSet Set, |
1108 | llvm::StringMap<SourceLocation> &SeenSelectors) { |
1109 | unsigned short OuterPC = ParenCount; |
1110 | |
1111 | // If anything went wrong we issue an error or warning and then skip the rest |
1112 | // of the selector. However, commas are ambiguous so we look for the nesting |
1113 | // of parentheses here as well. |
1114 | auto FinishSelector = [OuterPC, this]() -> void { |
1115 | bool Done = false; |
1116 | while (!Done) { |
1117 | while (!SkipUntil({tok::r_brace, tok::r_paren, tok::comma, |
1118 | tok::annot_pragma_openmp_end}, |
1119 | StopBeforeMatch)) |
1120 | ; |
1121 | if (Tok.is(tok::r_paren) && OuterPC > ParenCount) |
1122 | (void)ConsumeParen(); |
1123 | if (OuterPC <= ParenCount) { |
1124 | Done = true; |
1125 | break; |
1126 | } |
1127 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_paren)) { |
1128 | Done = true; |
1129 | break; |
1130 | } |
1131 | (void)ConsumeAnyToken(); |
1132 | } |
1133 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1134 | << CONTEXT_SELECTOR_LVL; |
1135 | }; |
1136 | |
1137 | SourceLocation SelectorLoc = Tok.getLocation(); |
1138 | parseOMPTraitSelectorKind(TISelector, Set, SeenSelectors); |
1139 | if (TISelector.Kind == TraitSelector::invalid) |
1140 | return FinishSelector(); |
1141 | |
1142 | bool AllowsTraitScore = false; |
1143 | bool RequiresProperty = false; |
1144 | if (!isValidTraitSelectorForTraitSet(TISelector.Kind, Set, AllowsTraitScore, |
1145 | RequiresProperty)) { |
1146 | Diag(SelectorLoc, diag::warn_omp_ctx_incompatible_selector_for_set) |
1147 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1148 | << getOpenMPContextTraitSetName(Set); |
1149 | Diag(SelectorLoc, diag::note_omp_ctx_compatible_set_for_selector) |
1150 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1151 | << getOpenMPContextTraitSetName( |
1152 | getOpenMPContextTraitSetForSelector(TISelector.Kind)) |
1153 | << RequiresProperty; |
1154 | return FinishSelector(); |
1155 | } |
1156 | |
1157 | if (!RequiresProperty) { |
1158 | TISelector.Properties.push_back( |
1159 | {getOpenMPContextTraitPropertyForSelector(TISelector.Kind), |
1160 | getOpenMPContextTraitSelectorName(TISelector.Kind)}); |
1161 | return; |
1162 | } |
1163 | |
1164 | if (!Tok.is(tok::l_paren)) { |
1165 | Diag(SelectorLoc, diag::warn_omp_ctx_selector_without_properties) |
1166 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1167 | << getOpenMPContextTraitSetName(Set); |
1168 | return FinishSelector(); |
1169 | } |
1170 | |
1171 | if (TISelector.Kind == TraitSelector::user_condition) { |
1172 | SourceLocation RLoc; |
1173 | ExprResult Condition = ParseOpenMPParensExpr("user condition", RLoc); |
1174 | if (!Condition.isUsable()) |
1175 | return FinishSelector(); |
1176 | TISelector.ScoreOrCondition = Condition.get(); |
1177 | TISelector.Properties.push_back( |
1178 | {TraitProperty::user_condition_unknown, "<condition>"}); |
1179 | return; |
1180 | } |
1181 | |
1182 | BalancedDelimiterTracker BDT(*this, tok::l_paren, |
1183 | tok::annot_pragma_openmp_end); |
1184 | // Parse '('. |
1185 | (void)BDT.consumeOpen(); |
1186 | |
1187 | SourceLocation ScoreLoc = Tok.getLocation(); |
1188 | ExprResult Score = parseContextScore(*this); |
1189 | |
1190 | if (!AllowsTraitScore && !Score.isUnset()) { |
1191 | if (Score.isUsable()) { |
1192 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1193 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1194 | << getOpenMPContextTraitSetName(Set) << Score.get(); |
1195 | } else { |
1196 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1197 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1198 | << getOpenMPContextTraitSetName(Set) << "<invalid>"; |
1199 | } |
1200 | Score = ExprResult(); |
1201 | } |
1202 | |
1203 | if (Score.isUsable()) |
1204 | TISelector.ScoreOrCondition = Score.get(); |
1205 | |
1206 | llvm::StringMap<SourceLocation> SeenProperties; |
1207 | do { |
1208 | parseOMPContextProperty(TISelector, Set, SeenProperties); |
1209 | } while (TryConsumeToken(tok::comma)); |
1210 | |
1211 | // Parse ')'. |
1212 | BDT.consumeClose(); |
1213 | } |
1214 | |
1215 | void Parser::parseOMPTraitSetKind(OMPTraitSet &TISet, |
1216 | llvm::StringMap<SourceLocation> &Seen) { |
1217 | TISet.Kind = TraitSet::invalid; |
1218 | |
1219 | SourceLocation NameLoc = Tok.getLocation(); |
1220 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_SET_LVL); |
1221 | if (Name.empty()) { |
1222 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1223 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1224 | return; |
1225 | } |
1226 | |
1227 | TISet.Kind = getOpenMPContextTraitSetKind(Name); |
1228 | if (TISet.Kind != TraitSet::invalid) { |
1229 | if (checkForDuplicates(*this, Name, NameLoc, Seen, |
1230 | CONTEXT_SELECTOR_SET_LVL)) |
1231 | TISet.Kind = TraitSet::invalid; |
1232 | return; |
1233 | } |
1234 | |
1235 | // It follows diagnosis and helping notes. |
1236 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_set) << Name; |
1237 | |
1238 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
1239 | if (SelectorForName != TraitSelector::invalid) { |
1240 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1241 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_SELECTOR_SET_LVL; |
1242 | bool AllowsTraitScore = false; |
1243 | bool RequiresProperty = false; |
1244 | isValidTraitSelectorForTraitSet( |
1245 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
1246 | AllowsTraitScore, RequiresProperty); |
1247 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1248 | << getOpenMPContextTraitSetName( |
1249 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
1250 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
1251 | return; |
1252 | } |
1253 | for (const auto &PotentialSet : |
1254 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1255 | TraitSet::device}) { |
1256 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1257 | PotentialSet, TraitSelector::invalid, Name); |
1258 | if (PropertyForName == TraitProperty::invalid) |
1259 | continue; |
1260 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1261 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_SET_LVL; |
1262 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1263 | << getOpenMPContextTraitSetName( |
1264 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1265 | << getOpenMPContextTraitSelectorName( |
1266 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1267 | << ("(" + Name + ")").str(); |
1268 | return; |
1269 | } |
1270 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1271 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1272 | } |
1273 | |
1274 | /// Parses an OpenMP context selector set. |
1275 | /// |
1276 | /// <trait-set-selector-name> '=' '{' <trait-selector> [, <trait-selector>]* '}' |
1277 | void Parser::parseOMPContextSelectorSet( |
1278 | OMPTraitSet &TISet, llvm::StringMap<SourceLocation> &SeenSets) { |
1279 | auto OuterBC = BraceCount; |
1280 | |
1281 | // If anything went wrong we issue an error or warning and then skip the rest |
1282 | // of the set. However, commas are ambiguous so we look for the nesting |
1283 | // of braces here as well. |
1284 | auto FinishSelectorSet = [this, OuterBC]() -> void { |
1285 | bool Done = false; |
1286 | while (!Done) { |
1287 | while (!SkipUntil({tok::comma, tok::r_brace, tok::r_paren, |
1288 | tok::annot_pragma_openmp_end}, |
1289 | StopBeforeMatch)) |
1290 | ; |
1291 | if (Tok.is(tok::r_brace) && OuterBC > BraceCount) |
1292 | (void)ConsumeBrace(); |
1293 | if (OuterBC <= BraceCount) { |
1294 | Done = true; |
1295 | break; |
1296 | } |
1297 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_brace)) { |
1298 | Done = true; |
1299 | break; |
1300 | } |
1301 | (void)ConsumeAnyToken(); |
1302 | } |
1303 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1304 | << CONTEXT_SELECTOR_SET_LVL; |
1305 | }; |
1306 | |
1307 | parseOMPTraitSetKind(TISet, SeenSets); |
1308 | if (TISet.Kind == TraitSet::invalid) |
1309 | return FinishSelectorSet(); |
1310 | |
1311 | // Parse '='. |
1312 | if (!TryConsumeToken(tok::equal)) |
1313 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1314 | << "=" |
1315 | << ("context set name \"" + getOpenMPContextTraitSetName(TISet.Kind) + |
1316 | "\"") |
1317 | .str(); |
1318 | |
1319 | // Parse '{'. |
1320 | if (Tok.is(tok::l_brace)) { |
1321 | (void)ConsumeBrace(); |
1322 | } else { |
1323 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1324 | << "{" |
1325 | << ("'=' that follows the context set name \"" + |
1326 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1327 | .str(); |
1328 | } |
1329 | |
1330 | llvm::StringMap<SourceLocation> SeenSelectors; |
1331 | do { |
1332 | OMPTraitSelector TISelector; |
1333 | parseOMPContextSelector(TISelector, TISet.Kind, SeenSelectors); |
1334 | if (TISelector.Kind != TraitSelector::invalid && |
1335 | !TISelector.Properties.empty()) |
1336 | TISet.Selectors.push_back(TISelector); |
1337 | } while (TryConsumeToken(tok::comma)); |
1338 | |
1339 | // Parse '}'. |
1340 | if (Tok.is(tok::r_brace)) { |
1341 | (void)ConsumeBrace(); |
1342 | } else { |
1343 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1344 | << "}" |
1345 | << ("context selectors for the context set \"" + |
1346 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1347 | .str(); |
1348 | } |
1349 | } |
1350 | |
1351 | /// Parse OpenMP context selectors: |
1352 | /// |
1353 | /// <trait-set-selector> [, <trait-set-selector>]* |
1354 | bool Parser::parseOMPContextSelectors(SourceLocation Loc, OMPTraitInfo &TI) { |
1355 | llvm::StringMap<SourceLocation> SeenSets; |
1356 | do { |
1357 | OMPTraitSet TISet; |
1358 | parseOMPContextSelectorSet(TISet, SeenSets); |
1359 | if (TISet.Kind != TraitSet::invalid && !TISet.Selectors.empty()) |
1360 | TI.Sets.push_back(TISet); |
1361 | } while (TryConsumeToken(tok::comma)); |
1362 | |
1363 | return false; |
1364 | } |
1365 | |
1366 | /// Parse clauses for '#pragma omp declare variant ( variant-func-id ) clause'. |
1367 | void Parser::ParseOMPDeclareVariantClauses(Parser::DeclGroupPtrTy Ptr, |
1368 | CachedTokens &Toks, |
1369 | SourceLocation Loc) { |
1370 | PP.EnterToken(Tok, /*IsReinject*/ true); |
1371 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
1372 | /*IsReinject*/ true); |
1373 | // Consume the previously pushed token. |
1374 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1375 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1376 | |
1377 | FNContextRAII FnContext(*this, Ptr); |
1378 | // Parse function declaration id. |
1379 | SourceLocation RLoc; |
1380 | // Parse with IsAddressOfOperand set to true to parse methods as DeclRefExprs |
1381 | // instead of MemberExprs. |
1382 | ExprResult AssociatedFunction; |
1383 | { |
1384 | // Do not mark function as is used to prevent its emission if this is the |
1385 | // only place where it is used. |
1386 | EnterExpressionEvaluationContext Unevaluated( |
1387 | Actions, Sema::ExpressionEvaluationContext::Unevaluated); |
1388 | AssociatedFunction = ParseOpenMPParensExpr( |
1389 | getOpenMPDirectiveName(OMPD_declare_variant), RLoc, |
1390 | /*IsAddressOfOperand=*/true); |
1391 | } |
1392 | if (!AssociatedFunction.isUsable()) { |
1393 | if (!Tok.is(tok::annot_pragma_openmp_end)) |
1394 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1395 | ; |
1396 | // Skip the last annot_pragma_openmp_end. |
1397 | (void)ConsumeAnnotationToken(); |
1398 | return; |
1399 | } |
1400 | |
1401 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
1402 | ASTContext &ASTCtx = Actions.getASTContext(); |
1403 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
1404 | if (parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI)) |
1405 | return; |
1406 | |
1407 | Optional<std::pair<FunctionDecl *, Expr *>> DeclVarData = |
1408 | Actions.checkOpenMPDeclareVariantFunction( |
1409 | Ptr, AssociatedFunction.get(), TI, |
1410 | SourceRange(Loc, Tok.getLocation())); |
1411 | |
1412 | // Skip last tokens. |
1413 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
1414 | ConsumeAnyToken(); |
1415 | if (DeclVarData && !TI.Sets.empty()) |
1416 | Actions.ActOnOpenMPDeclareVariantDirective( |
1417 | DeclVarData->first, DeclVarData->second, TI, |
1418 | SourceRange(Loc, Tok.getLocation())); |
1419 | |
1420 | // Skip the last annot_pragma_openmp_end. |
1421 | (void)ConsumeAnnotationToken(); |
1422 | } |
1423 | |
1424 | bool Parser::parseOMPDeclareVariantMatchClause(SourceLocation Loc, |
1425 | OMPTraitInfo &TI, |
1426 | OMPTraitInfo *ParentTI) { |
1427 | // Parse 'match'. |
1428 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1429 | ? OMPC_unknown |
1430 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1431 | if (CKind != OMPC_match) { |
1432 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1433 | << getOpenMPClauseName(OMPC_match); |
1434 | while (!SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch)) |
1435 | ; |
1436 | // Skip the last annot_pragma_openmp_end. |
1437 | (void)ConsumeAnnotationToken(); |
1438 | return true; |
1439 | } |
1440 | (void)ConsumeToken(); |
1441 | // Parse '('. |
1442 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
1443 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1444 | getOpenMPClauseName(OMPC_match).data())) { |
1445 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1446 | ; |
1447 | // Skip the last annot_pragma_openmp_end. |
1448 | (void)ConsumeAnnotationToken(); |
1449 | return true; |
1450 | } |
1451 | |
1452 | // Parse inner context selectors. |
1453 | parseOMPContextSelectors(Loc, TI); |
1454 | |
1455 | // Parse ')' |
1456 | (void)T.consumeClose(); |
1457 | |
1458 | if (!ParentTI) |
1459 | return false; |
1460 | |
1461 | // Merge the parent/outer trait info into the one we just parsed and diagnose |
1462 | // problems. |
1463 | // TODO: Keep some source location in the TI to provide better diagnostics. |
1464 | // TODO: Perform some kind of equivalence check on the condition and score |
1465 | // expressions. |
1466 | for (const OMPTraitSet &ParentSet : ParentTI->Sets) { |
1467 | bool MergedSet = false; |
1468 | for (OMPTraitSet &Set : TI.Sets) { |
1469 | if (Set.Kind != ParentSet.Kind) |
1470 | continue; |
1471 | MergedSet = true; |
1472 | for (const OMPTraitSelector &ParentSelector : ParentSet.Selectors) { |
1473 | bool MergedSelector = false; |
1474 | for (OMPTraitSelector &Selector : Set.Selectors) { |
1475 | if (Selector.Kind != ParentSelector.Kind) |
1476 | continue; |
1477 | MergedSelector = true; |
1478 | for (const OMPTraitProperty &ParentProperty : |
1479 | ParentSelector.Properties) { |
1480 | bool MergedProperty = false; |
1481 | for (OMPTraitProperty &Property : Selector.Properties) { |
1482 | // Ignore "equivalent" properties. |
1483 | if (Property.Kind != ParentProperty.Kind) |
1484 | continue; |
1485 | |
1486 | // If the kind is the same but the raw string not, we don't want |
1487 | // to skip out on the property. |
1488 | MergedProperty |= Property.RawString == ParentProperty.RawString; |
1489 | |
1490 | if (Property.RawString == ParentProperty.RawString && |
1491 | Selector.ScoreOrCondition == ParentSelector.ScoreOrCondition) |
1492 | continue; |
1493 | |
1494 | if (Selector.Kind == llvm::omp::TraitSelector::user_condition) { |
1495 | Diag(Loc, diag::err_omp_declare_variant_nested_user_condition); |
1496 | } else if (Selector.ScoreOrCondition != |
1497 | ParentSelector.ScoreOrCondition) { |
1498 | Diag(Loc, diag::err_omp_declare_variant_duplicate_nested_trait) |
1499 | << getOpenMPContextTraitPropertyName( |
1500 | ParentProperty.Kind, ParentProperty.RawString) |
1501 | << getOpenMPContextTraitSelectorName(ParentSelector.Kind) |
1502 | << getOpenMPContextTraitSetName(ParentSet.Kind); |
1503 | } |
1504 | } |
1505 | if (!MergedProperty) |
1506 | Selector.Properties.push_back(ParentProperty); |
1507 | } |
1508 | } |
1509 | if (!MergedSelector) |
1510 | Set.Selectors.push_back(ParentSelector); |
1511 | } |
1512 | } |
1513 | if (!MergedSet) |
1514 | TI.Sets.push_back(ParentSet); |
1515 | } |
1516 | |
1517 | return false; |
1518 | } |
1519 | |
1520 | /// `omp assumes` or `omp begin/end assumes` <clause> [[,]<clause>]... |
1521 | /// where |
1522 | /// |
1523 | /// clause: |
1524 | /// 'ext_IMPL_DEFINED' |
1525 | /// 'absent' '(' directive-name [, directive-name]* ')' |
1526 | /// 'contains' '(' directive-name [, directive-name]* ')' |
1527 | /// 'holds' '(' scalar-expression ')' |
1528 | /// 'no_openmp' |
1529 | /// 'no_openmp_routines' |
1530 | /// 'no_parallelism' |
1531 | /// |
1532 | void Parser::ParseOpenMPAssumesDirective(OpenMPDirectiveKind DKind, |
1533 | SourceLocation Loc) { |
1534 | SmallVector<StringRef, 4> Assumptions; |
1535 | bool SkippedClauses = false; |
1536 | |
1537 | auto SkipBraces = [&](llvm::StringRef Spelling, bool IssueNote) { |
1538 | BalancedDelimiterTracker T(*this, tok::l_paren, |
1539 | tok::annot_pragma_openmp_end); |
1540 | if (T.expectAndConsume(diag::err_expected_lparen_after, Spelling.data())) |
1541 | return; |
1542 | T.skipToEnd(); |
1543 | if (IssueNote && T.getCloseLocation().isValid()) |
1544 | Diag(T.getCloseLocation(), |
1545 | diag::note_omp_assumption_clause_continue_here); |
1546 | }; |
1547 | |
1548 | /// Helper to determine which AssumptionClauseMapping (ACM) in the |
1549 | /// AssumptionClauseMappings table matches \p RawString. The return value is |
1550 | /// the index of the matching ACM into the table or -1 if there was no match. |
1551 | auto MatchACMClause = [&](StringRef RawString) { |
1552 | llvm::StringSwitch<int> SS(RawString); |
1553 | unsigned ACMIdx = 0; |
1554 | for (const AssumptionClauseMappingInfo &ACMI : AssumptionClauseMappings) { |
1555 | if (ACMI.StartsWith) |
1556 | SS.StartsWith(ACMI.Identifier, ACMIdx++); |
1557 | else |
1558 | SS.Case(ACMI.Identifier, ACMIdx++); |
1559 | } |
1560 | return SS.Default(-1); |
1561 | }; |
1562 | |
1563 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1564 | IdentifierInfo *II = nullptr; |
1565 | SourceLocation StartLoc = Tok.getLocation(); |
1566 | int Idx = -1; |
1567 | if (Tok.isAnyIdentifier()) { |
1568 | II = Tok.getIdentifierInfo(); |
1569 | Idx = MatchACMClause(II->getName()); |
1570 | } |
1571 | ConsumeAnyToken(); |
1572 | |
1573 | bool NextIsLPar = Tok.is(tok::l_paren); |
1574 | // Handle unknown clauses by skipping them. |
1575 | if (Idx == -1) { |
1576 | Diag(StartLoc, diag::warn_omp_unknown_assumption_clause_missing_id) |
1577 | << llvm::omp::getOpenMPDirectiveName(DKind) |
1578 | << llvm::omp::getAllAssumeClauseOptions() << NextIsLPar; |
1579 | if (NextIsLPar) |
1580 | SkipBraces(II ? II->getName() : "", /* IssueNote */ true); |
1581 | SkippedClauses = true; |
1582 | continue; |
1583 | } |
1584 | const AssumptionClauseMappingInfo &ACMI = AssumptionClauseMappings[Idx]; |
1585 | if (ACMI.HasDirectiveList || ACMI.HasExpression) { |
1586 | // TODO: We ignore absent, contains, and holds assumptions for now. We |
1587 | // also do not verify the content in the parenthesis at all. |
1588 | SkippedClauses = true; |
1589 | SkipBraces(II->getName(), /* IssueNote */ false); |
1590 | continue; |
1591 | } |
1592 | |
1593 | if (NextIsLPar) { |
1594 | Diag(Tok.getLocation(), |
1595 | diag::warn_omp_unknown_assumption_clause_without_args) |
1596 | << II; |
1597 | SkipBraces(II->getName(), /* IssueNote */ true); |
1598 | } |
1599 | |
1600 | assert(II && "Expected an identifier clause!")((II && "Expected an identifier clause!") ? static_cast <void> (0) : __assert_fail ("II && \"Expected an identifier clause!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 1600, __PRETTY_FUNCTION__)); |
1601 | StringRef Assumption = II->getName(); |
1602 | if (ACMI.StartsWith) |
1603 | Assumption = Assumption.substr(ACMI.Identifier.size()); |
1604 | Assumptions.push_back(Assumption); |
1605 | } |
1606 | |
1607 | Actions.ActOnOpenMPAssumesDirective(Loc, DKind, Assumptions, SkippedClauses); |
1608 | } |
1609 | |
1610 | void Parser::ParseOpenMPEndAssumesDirective(SourceLocation Loc) { |
1611 | if (Actions.isInOpenMPAssumeScope()) |
1612 | Actions.ActOnOpenMPEndAssumesDirective(); |
1613 | else |
1614 | Diag(Loc, diag::err_expected_begin_assumes); |
1615 | } |
1616 | |
1617 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
1618 | /// |
1619 | /// default-clause: |
1620 | /// 'default' '(' 'none' | 'shared' | 'firstprivate' ') |
1621 | /// |
1622 | /// proc_bind-clause: |
1623 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ') |
1624 | /// |
1625 | /// device_type-clause: |
1626 | /// 'device_type' '(' 'host' | 'nohost' | 'any' )' |
1627 | namespace { |
1628 | struct SimpleClauseData { |
1629 | unsigned Type; |
1630 | SourceLocation Loc; |
1631 | SourceLocation LOpen; |
1632 | SourceLocation TypeLoc; |
1633 | SourceLocation RLoc; |
1634 | SimpleClauseData(unsigned Type, SourceLocation Loc, SourceLocation LOpen, |
1635 | SourceLocation TypeLoc, SourceLocation RLoc) |
1636 | : Type(Type), Loc(Loc), LOpen(LOpen), TypeLoc(TypeLoc), RLoc(RLoc) {} |
1637 | }; |
1638 | } // anonymous namespace |
1639 | |
1640 | static Optional<SimpleClauseData> |
1641 | parseOpenMPSimpleClause(Parser &P, OpenMPClauseKind Kind) { |
1642 | const Token &Tok = P.getCurToken(); |
1643 | SourceLocation Loc = Tok.getLocation(); |
1644 | SourceLocation LOpen = P.ConsumeToken(); |
1645 | // Parse '('. |
1646 | BalancedDelimiterTracker T(P, tok::l_paren, tok::annot_pragma_openmp_end); |
1647 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1648 | getOpenMPClauseName(Kind).data())) |
1649 | return llvm::None; |
1650 | |
1651 | unsigned Type = getOpenMPSimpleClauseType( |
1652 | Kind, Tok.isAnnotation() ? "" : P.getPreprocessor().getSpelling(Tok), |
1653 | P.getLangOpts().OpenMP); |
1654 | SourceLocation TypeLoc = Tok.getLocation(); |
1655 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
1656 | Tok.isNot(tok::annot_pragma_openmp_end)) |
1657 | P.ConsumeAnyToken(); |
1658 | |
1659 | // Parse ')'. |
1660 | SourceLocation RLoc = Tok.getLocation(); |
1661 | if (!T.consumeClose()) |
1662 | RLoc = T.getCloseLocation(); |
1663 | |
1664 | return SimpleClauseData(Type, Loc, LOpen, TypeLoc, RLoc); |
1665 | } |
1666 | |
1667 | Parser::DeclGroupPtrTy Parser::ParseOMPDeclareTargetClauses() { |
1668 | // OpenMP 4.5 syntax with list of entities. |
1669 | Sema::NamedDeclSetType SameDirectiveDecls; |
1670 | SmallVector<std::tuple<OMPDeclareTargetDeclAttr::MapTypeTy, SourceLocation, |
1671 | NamedDecl *>, |
1672 | 4> |
1673 | DeclareTargetDecls; |
1674 | OMPDeclareTargetDeclAttr::DevTypeTy DT = OMPDeclareTargetDeclAttr::DT_Any; |
1675 | SourceLocation DeviceTypeLoc; |
1676 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1677 | OMPDeclareTargetDeclAttr::MapTypeTy MT = OMPDeclareTargetDeclAttr::MT_To; |
1678 | if (Tok.is(tok::identifier)) { |
1679 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
1680 | StringRef ClauseName = II->getName(); |
1681 | bool IsDeviceTypeClause = |
1682 | getLangOpts().OpenMP >= 50 && |
1683 | getOpenMPClauseKind(ClauseName) == OMPC_device_type; |
1684 | // Parse 'to|link|device_type' clauses. |
1685 | if (!OMPDeclareTargetDeclAttr::ConvertStrToMapTypeTy(ClauseName, MT) && |
1686 | !IsDeviceTypeClause) { |
1687 | Diag(Tok, diag::err_omp_declare_target_unexpected_clause) |
1688 | << ClauseName << (getLangOpts().OpenMP >= 50 ? 1 : 0); |
1689 | break; |
1690 | } |
1691 | // Parse 'device_type' clause and go to next clause if any. |
1692 | if (IsDeviceTypeClause) { |
1693 | Optional<SimpleClauseData> DevTypeData = |
1694 | parseOpenMPSimpleClause(*this, OMPC_device_type); |
1695 | if (DevTypeData.hasValue()) { |
1696 | if (DeviceTypeLoc.isValid()) { |
1697 | // We already saw another device_type clause, diagnose it. |
1698 | Diag(DevTypeData.getValue().Loc, |
1699 | diag::warn_omp_more_one_device_type_clause); |
1700 | } |
1701 | switch (static_cast<OpenMPDeviceType>(DevTypeData.getValue().Type)) { |
1702 | case OMPC_DEVICE_TYPE_any: |
1703 | DT = OMPDeclareTargetDeclAttr::DT_Any; |
1704 | break; |
1705 | case OMPC_DEVICE_TYPE_host: |
1706 | DT = OMPDeclareTargetDeclAttr::DT_Host; |
1707 | break; |
1708 | case OMPC_DEVICE_TYPE_nohost: |
1709 | DT = OMPDeclareTargetDeclAttr::DT_NoHost; |
1710 | break; |
1711 | case OMPC_DEVICE_TYPE_unknown: |
1712 | llvm_unreachable("Unexpected device_type")::llvm::llvm_unreachable_internal("Unexpected device_type", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 1712); |
1713 | } |
1714 | DeviceTypeLoc = DevTypeData.getValue().Loc; |
1715 | } |
1716 | continue; |
1717 | } |
1718 | ConsumeToken(); |
1719 | } |
1720 | auto &&Callback = [this, MT, &DeclareTargetDecls, &SameDirectiveDecls]( |
1721 | CXXScopeSpec &SS, DeclarationNameInfo NameInfo) { |
1722 | NamedDecl *ND = Actions.lookupOpenMPDeclareTargetName( |
1723 | getCurScope(), SS, NameInfo, SameDirectiveDecls); |
1724 | if (ND) |
1725 | DeclareTargetDecls.emplace_back(MT, NameInfo.getLoc(), ND); |
1726 | }; |
1727 | if (ParseOpenMPSimpleVarList(OMPD_declare_target, Callback, |
1728 | /*AllowScopeSpecifier=*/true)) |
1729 | break; |
1730 | |
1731 | // Consume optional ','. |
1732 | if (Tok.is(tok::comma)) |
1733 | ConsumeToken(); |
1734 | } |
1735 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1736 | ConsumeAnyToken(); |
1737 | for (auto &MTLocDecl : DeclareTargetDecls) { |
1738 | OMPDeclareTargetDeclAttr::MapTypeTy MT; |
1739 | SourceLocation Loc; |
1740 | NamedDecl *ND; |
1741 | std::tie(MT, Loc, ND) = MTLocDecl; |
1742 | // device_type clause is applied only to functions. |
1743 | Actions.ActOnOpenMPDeclareTargetName( |
1744 | ND, Loc, MT, isa<VarDecl>(ND) ? OMPDeclareTargetDeclAttr::DT_Any : DT); |
1745 | } |
1746 | SmallVector<Decl *, 4> Decls(SameDirectiveDecls.begin(), |
1747 | SameDirectiveDecls.end()); |
1748 | if (Decls.empty()) |
1749 | return DeclGroupPtrTy(); |
1750 | return Actions.BuildDeclaratorGroup(Decls); |
1751 | } |
1752 | |
1753 | void Parser::skipUntilPragmaOpenMPEnd(OpenMPDirectiveKind DKind) { |
1754 | // The last seen token is annot_pragma_openmp_end - need to check for |
1755 | // extra tokens. |
1756 | if (Tok.is(tok::annot_pragma_openmp_end)) |
1757 | return; |
1758 | |
1759 | Diag(Tok, diag::warn_omp_extra_tokens_at_eol) |
1760 | << getOpenMPDirectiveName(DKind); |
1761 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
1762 | ConsumeAnyToken(); |
1763 | } |
1764 | |
1765 | void Parser::parseOMPEndDirective(OpenMPDirectiveKind BeginKind, |
1766 | OpenMPDirectiveKind ExpectedKind, |
1767 | OpenMPDirectiveKind FoundKind, |
1768 | SourceLocation BeginLoc, |
1769 | SourceLocation FoundLoc, |
1770 | bool SkipUntilOpenMPEnd) { |
1771 | int DiagSelection = ExpectedKind == OMPD_end_declare_target ? 0 : 1; |
1772 | |
1773 | if (FoundKind == ExpectedKind) { |
1774 | ConsumeAnyToken(); |
1775 | skipUntilPragmaOpenMPEnd(ExpectedKind); |
1776 | return; |
1777 | } |
1778 | |
1779 | Diag(FoundLoc, diag::err_expected_end_declare_target_or_variant) |
1780 | << DiagSelection; |
1781 | Diag(BeginLoc, diag::note_matching) |
1782 | << ("'#pragma omp " + getOpenMPDirectiveName(BeginKind) + "'").str(); |
1783 | if (SkipUntilOpenMPEnd) |
1784 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1785 | } |
1786 | |
1787 | void Parser::ParseOMPEndDeclareTargetDirective(OpenMPDirectiveKind DKind, |
1788 | SourceLocation DKLoc) { |
1789 | parseOMPEndDirective(OMPD_declare_target, OMPD_end_declare_target, DKind, |
1790 | DKLoc, Tok.getLocation(), |
1791 | /* SkipUntilOpenMPEnd */ false); |
1792 | // Skip the last annot_pragma_openmp_end. |
1793 | if (Tok.is(tok::annot_pragma_openmp_end)) |
1794 | ConsumeAnnotationToken(); |
1795 | } |
1796 | |
1797 | /// Parsing of declarative OpenMP directives. |
1798 | /// |
1799 | /// threadprivate-directive: |
1800 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
1801 | /// annot_pragma_openmp_end |
1802 | /// |
1803 | /// allocate-directive: |
1804 | /// annot_pragma_openmp 'allocate' simple-variable-list [<clause>] |
1805 | /// annot_pragma_openmp_end |
1806 | /// |
1807 | /// declare-reduction-directive: |
1808 | /// annot_pragma_openmp 'declare' 'reduction' [...] |
1809 | /// annot_pragma_openmp_end |
1810 | /// |
1811 | /// declare-mapper-directive: |
1812 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
1813 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
1814 | /// annot_pragma_openmp_end |
1815 | /// |
1816 | /// declare-simd-directive: |
1817 | /// annot_pragma_openmp 'declare simd' {<clause> [,]} |
1818 | /// annot_pragma_openmp_end |
1819 | /// <function declaration/definition> |
1820 | /// |
1821 | /// requires directive: |
1822 | /// annot_pragma_openmp 'requires' <clause> [[[,] <clause>] ... ] |
1823 | /// annot_pragma_openmp_end |
1824 | /// |
1825 | /// assumes directive: |
1826 | /// annot_pragma_openmp 'assumes' <clause> [[[,] <clause>] ... ] |
1827 | /// annot_pragma_openmp_end |
1828 | /// or |
1829 | /// annot_pragma_openmp 'begin assumes' <clause> [[[,] <clause>] ... ] |
1830 | /// annot_pragma_openmp 'end assumes' |
1831 | /// annot_pragma_openmp_end |
1832 | /// |
1833 | Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirectiveWithExtDecl( |
1834 | AccessSpecifier &AS, ParsedAttributesWithRange &Attrs, bool Delayed, |
1835 | DeclSpec::TST TagType, Decl *Tag) { |
1836 | assert(Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!")((Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!" ) ? static_cast<void> (0) : __assert_fail ("Tok.is(tok::annot_pragma_openmp) && \"Not an OpenMP directive!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 1836, __PRETTY_FUNCTION__)); |
1837 | ParsingOpenMPDirectiveRAII DirScope(*this); |
1838 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
1839 | |
1840 | SourceLocation Loc; |
1841 | OpenMPDirectiveKind DKind; |
1842 | if (Delayed) { |
1843 | TentativeParsingAction TPA(*this); |
1844 | Loc = ConsumeAnnotationToken(); |
1845 | DKind = parseOpenMPDirectiveKind(*this); |
1846 | if (DKind == OMPD_declare_reduction || DKind == OMPD_declare_mapper) { |
1847 | // Need to delay parsing until completion of the parent class. |
1848 | TPA.Revert(); |
1849 | CachedTokens Toks; |
1850 | unsigned Cnt = 1; |
1851 | Toks.push_back(Tok); |
1852 | while (Cnt && Tok.isNot(tok::eof)) { |
1853 | (void)ConsumeAnyToken(); |
1854 | if (Tok.is(tok::annot_pragma_openmp)) |
1855 | ++Cnt; |
1856 | else if (Tok.is(tok::annot_pragma_openmp_end)) |
1857 | --Cnt; |
1858 | Toks.push_back(Tok); |
1859 | } |
1860 | // Skip last annot_pragma_openmp_end. |
1861 | if (Cnt == 0) |
1862 | (void)ConsumeAnyToken(); |
1863 | auto *LP = new LateParsedPragma(this, AS); |
1864 | LP->takeToks(Toks); |
1865 | getCurrentClass().LateParsedDeclarations.push_back(LP); |
1866 | return nullptr; |
1867 | } |
1868 | TPA.Commit(); |
1869 | } else { |
1870 | Loc = ConsumeAnnotationToken(); |
1871 | DKind = parseOpenMPDirectiveKind(*this); |
1872 | } |
1873 | |
1874 | switch (DKind) { |
1875 | case OMPD_threadprivate: { |
1876 | ConsumeToken(); |
1877 | DeclDirectiveListParserHelper Helper(this, DKind); |
1878 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
1879 | /*AllowScopeSpecifier=*/true)) { |
1880 | skipUntilPragmaOpenMPEnd(DKind); |
1881 | // Skip the last annot_pragma_openmp_end. |
1882 | ConsumeAnnotationToken(); |
1883 | return Actions.ActOnOpenMPThreadprivateDirective(Loc, |
1884 | Helper.getIdentifiers()); |
1885 | } |
1886 | break; |
1887 | } |
1888 | case OMPD_allocate: { |
1889 | ConsumeToken(); |
1890 | DeclDirectiveListParserHelper Helper(this, DKind); |
1891 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
1892 | /*AllowScopeSpecifier=*/true)) { |
1893 | SmallVector<OMPClause *, 1> Clauses; |
1894 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1895 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
1896 | llvm::omp::Clause_enumSize + 1> |
1897 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
1898 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1899 | OpenMPClauseKind CKind = |
1900 | Tok.isAnnotation() ? OMPC_unknown |
1901 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1902 | Actions.StartOpenMPClause(CKind); |
1903 | OMPClause *Clause = ParseOpenMPClause( |
1904 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
1905 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
1906 | StopBeforeMatch); |
1907 | FirstClauses[unsigned(CKind)].setInt(true); |
1908 | if (Clause != nullptr) |
1909 | Clauses.push_back(Clause); |
1910 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1911 | Actions.EndOpenMPClause(); |
1912 | break; |
1913 | } |
1914 | // Skip ',' if any. |
1915 | if (Tok.is(tok::comma)) |
1916 | ConsumeToken(); |
1917 | Actions.EndOpenMPClause(); |
1918 | } |
1919 | skipUntilPragmaOpenMPEnd(DKind); |
1920 | } |
1921 | // Skip the last annot_pragma_openmp_end. |
1922 | ConsumeAnnotationToken(); |
1923 | return Actions.ActOnOpenMPAllocateDirective(Loc, Helper.getIdentifiers(), |
1924 | Clauses); |
1925 | } |
1926 | break; |
1927 | } |
1928 | case OMPD_requires: { |
1929 | SourceLocation StartLoc = ConsumeToken(); |
1930 | SmallVector<OMPClause *, 5> Clauses; |
1931 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
1932 | llvm::omp::Clause_enumSize + 1> |
1933 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
1934 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1935 | Diag(Tok, diag::err_omp_expected_clause) |
1936 | << getOpenMPDirectiveName(OMPD_requires); |
1937 | break; |
1938 | } |
1939 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1940 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1941 | ? OMPC_unknown |
1942 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1943 | Actions.StartOpenMPClause(CKind); |
1944 | OMPClause *Clause = ParseOpenMPClause( |
1945 | OMPD_requires, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
1946 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
1947 | StopBeforeMatch); |
1948 | FirstClauses[unsigned(CKind)].setInt(true); |
1949 | if (Clause != nullptr) |
1950 | Clauses.push_back(Clause); |
1951 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1952 | Actions.EndOpenMPClause(); |
1953 | break; |
1954 | } |
1955 | // Skip ',' if any. |
1956 | if (Tok.is(tok::comma)) |
1957 | ConsumeToken(); |
1958 | Actions.EndOpenMPClause(); |
1959 | } |
1960 | // Consume final annot_pragma_openmp_end |
1961 | if (Clauses.empty()) { |
1962 | Diag(Tok, diag::err_omp_expected_clause) |
1963 | << getOpenMPDirectiveName(OMPD_requires); |
1964 | ConsumeAnnotationToken(); |
1965 | return nullptr; |
1966 | } |
1967 | ConsumeAnnotationToken(); |
1968 | return Actions.ActOnOpenMPRequiresDirective(StartLoc, Clauses); |
1969 | } |
1970 | case OMPD_assumes: |
1971 | case OMPD_begin_assumes: |
1972 | ParseOpenMPAssumesDirective(DKind, ConsumeToken()); |
1973 | break; |
1974 | case OMPD_end_assumes: |
1975 | ParseOpenMPEndAssumesDirective(ConsumeToken()); |
1976 | break; |
1977 | case OMPD_declare_reduction: |
1978 | ConsumeToken(); |
1979 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareReductionDirective(AS)) { |
1980 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
1981 | // Skip the last annot_pragma_openmp_end. |
1982 | ConsumeAnnotationToken(); |
1983 | return Res; |
1984 | } |
1985 | break; |
1986 | case OMPD_declare_mapper: { |
1987 | ConsumeToken(); |
1988 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareMapperDirective(AS)) { |
1989 | // Skip the last annot_pragma_openmp_end. |
1990 | ConsumeAnnotationToken(); |
1991 | return Res; |
1992 | } |
1993 | break; |
1994 | } |
1995 | case OMPD_begin_declare_variant: { |
1996 | // The syntax is: |
1997 | // { #pragma omp begin declare variant clause } |
1998 | // <function-declaration-or-definition-sequence> |
1999 | // { #pragma omp end declare variant } |
2000 | // |
2001 | ConsumeToken(); |
2002 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
2003 | ASTContext &ASTCtx = Actions.getASTContext(); |
2004 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
2005 | if (parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI)) |
2006 | break; |
2007 | |
2008 | // Skip last tokens. |
2009 | skipUntilPragmaOpenMPEnd(OMPD_begin_declare_variant); |
2010 | |
2011 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2012 | |
2013 | VariantMatchInfo VMI; |
2014 | TI.getAsVariantMatchInfo(ASTCtx, VMI); |
2015 | |
2016 | std::function<void(StringRef)> DiagUnknownTrait = [this, Loc]( |
2017 | StringRef ISATrait) { |
2018 | // TODO Track the selector locations in a way that is accessible here to |
2019 | // improve the diagnostic location. |
2020 | Diag(Loc, diag::warn_unknown_begin_declare_variant_isa_trait) << ISATrait; |
2021 | }; |
2022 | TargetOMPContext OMPCtx(ASTCtx, std::move(DiagUnknownTrait), |
2023 | /* CurrentFunctionDecl */ nullptr); |
2024 | |
2025 | if (isVariantApplicableInContext(VMI, OMPCtx, /* DeviceSetOnly */ true)) { |
2026 | Actions.ActOnOpenMPBeginDeclareVariant(Loc, TI); |
2027 | break; |
2028 | } |
2029 | |
2030 | // Elide all the code till the matching end declare variant was found. |
2031 | unsigned Nesting = 1; |
2032 | SourceLocation DKLoc; |
2033 | OpenMPDirectiveKind DK = OMPD_unknown; |
2034 | do { |
2035 | DKLoc = Tok.getLocation(); |
2036 | DK = parseOpenMPDirectiveKind(*this); |
2037 | if (DK == OMPD_end_declare_variant) |
2038 | --Nesting; |
2039 | else if (DK == OMPD_begin_declare_variant) |
2040 | ++Nesting; |
2041 | if (!Nesting || isEofOrEom()) |
2042 | break; |
2043 | ConsumeAnyToken(); |
2044 | } while (true); |
2045 | |
2046 | parseOMPEndDirective(OMPD_begin_declare_variant, OMPD_end_declare_variant, |
2047 | DK, Loc, DKLoc, /* SkipUntilOpenMPEnd */ true); |
2048 | if (isEofOrEom()) |
2049 | return nullptr; |
2050 | break; |
2051 | } |
2052 | case OMPD_end_declare_variant: { |
2053 | if (Actions.isInOpenMPDeclareVariantScope()) |
2054 | Actions.ActOnOpenMPEndDeclareVariant(); |
2055 | else |
2056 | Diag(Loc, diag::err_expected_begin_declare_variant); |
2057 | ConsumeToken(); |
2058 | break; |
2059 | } |
2060 | case OMPD_declare_variant: |
2061 | case OMPD_declare_simd: { |
2062 | // The syntax is: |
2063 | // { #pragma omp declare {simd|variant} } |
2064 | // <function-declaration-or-definition> |
2065 | // |
2066 | CachedTokens Toks; |
2067 | Toks.push_back(Tok); |
2068 | ConsumeToken(); |
2069 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2070 | Toks.push_back(Tok); |
2071 | ConsumeAnyToken(); |
2072 | } |
2073 | Toks.push_back(Tok); |
2074 | ConsumeAnyToken(); |
2075 | |
2076 | DeclGroupPtrTy Ptr; |
2077 | if (Tok.is(tok::annot_pragma_openmp)) { |
2078 | Ptr = ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, Attrs, Delayed, |
2079 | TagType, Tag); |
2080 | } else if (Tok.isNot(tok::r_brace) && !isEofOrEom()) { |
2081 | // Here we expect to see some function declaration. |
2082 | if (AS == AS_none) { |
2083 | assert(TagType == DeclSpec::TST_unspecified)((TagType == DeclSpec::TST_unspecified) ? static_cast<void > (0) : __assert_fail ("TagType == DeclSpec::TST_unspecified" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2083, __PRETTY_FUNCTION__)); |
2084 | MaybeParseCXX11Attributes(Attrs); |
2085 | ParsingDeclSpec PDS(*this); |
2086 | Ptr = ParseExternalDeclaration(Attrs, &PDS); |
2087 | } else { |
2088 | Ptr = |
2089 | ParseCXXClassMemberDeclarationWithPragmas(AS, Attrs, TagType, Tag); |
2090 | } |
2091 | } |
2092 | if (!Ptr) { |
2093 | Diag(Loc, diag::err_omp_decl_in_declare_simd_variant) |
2094 | << (DKind == OMPD_declare_simd ? 0 : 1); |
2095 | return DeclGroupPtrTy(); |
2096 | } |
2097 | if (DKind == OMPD_declare_simd) |
2098 | return ParseOMPDeclareSimdClauses(Ptr, Toks, Loc); |
2099 | assert(DKind == OMPD_declare_variant &&((DKind == OMPD_declare_variant && "Expected declare variant directive only" ) ? static_cast<void> (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2100, __PRETTY_FUNCTION__)) |
2100 | "Expected declare variant directive only")((DKind == OMPD_declare_variant && "Expected declare variant directive only" ) ? static_cast<void> (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2100, __PRETTY_FUNCTION__)); |
2101 | ParseOMPDeclareVariantClauses(Ptr, Toks, Loc); |
2102 | return Ptr; |
2103 | } |
2104 | case OMPD_declare_target: { |
2105 | SourceLocation DTLoc = ConsumeAnyToken(); |
2106 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2107 | return ParseOMPDeclareTargetClauses(); |
2108 | } |
2109 | |
2110 | // Skip the last annot_pragma_openmp_end. |
2111 | ConsumeAnyToken(); |
2112 | |
2113 | if (!Actions.ActOnStartOpenMPDeclareTargetDirective(DTLoc)) |
2114 | return DeclGroupPtrTy(); |
2115 | |
2116 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2117 | llvm::SmallVector<Decl *, 4> Decls; |
2118 | DKind = parseOpenMPDirectiveKind(*this); |
2119 | while (DKind != OMPD_end_declare_target && Tok.isNot(tok::eof) && |
2120 | Tok.isNot(tok::r_brace)) { |
2121 | DeclGroupPtrTy Ptr; |
2122 | // Here we expect to see some function declaration. |
2123 | if (AS == AS_none) { |
2124 | assert(TagType == DeclSpec::TST_unspecified)((TagType == DeclSpec::TST_unspecified) ? static_cast<void > (0) : __assert_fail ("TagType == DeclSpec::TST_unspecified" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2124, __PRETTY_FUNCTION__)); |
2125 | MaybeParseCXX11Attributes(Attrs); |
2126 | ParsingDeclSpec PDS(*this); |
2127 | Ptr = ParseExternalDeclaration(Attrs, &PDS); |
2128 | } else { |
2129 | Ptr = |
2130 | ParseCXXClassMemberDeclarationWithPragmas(AS, Attrs, TagType, Tag); |
2131 | } |
2132 | if (Ptr) { |
2133 | DeclGroupRef Ref = Ptr.get(); |
2134 | Decls.append(Ref.begin(), Ref.end()); |
2135 | } |
2136 | if (Tok.isAnnotation() && Tok.is(tok::annot_pragma_openmp)) { |
2137 | TentativeParsingAction TPA(*this); |
2138 | ConsumeAnnotationToken(); |
2139 | DKind = parseOpenMPDirectiveKind(*this); |
2140 | if (DKind != OMPD_end_declare_target) |
2141 | TPA.Revert(); |
2142 | else |
2143 | TPA.Commit(); |
2144 | } |
2145 | } |
2146 | |
2147 | ParseOMPEndDeclareTargetDirective(DKind, DTLoc); |
2148 | Actions.ActOnFinishOpenMPDeclareTargetDirective(); |
2149 | return Actions.BuildDeclaratorGroup(Decls); |
2150 | } |
2151 | case OMPD_unknown: |
2152 | Diag(Tok, diag::err_omp_unknown_directive); |
2153 | break; |
2154 | case OMPD_parallel: |
2155 | case OMPD_simd: |
2156 | case OMPD_task: |
2157 | case OMPD_taskyield: |
2158 | case OMPD_barrier: |
2159 | case OMPD_taskwait: |
2160 | case OMPD_taskgroup: |
2161 | case OMPD_flush: |
2162 | case OMPD_depobj: |
2163 | case OMPD_scan: |
2164 | case OMPD_for: |
2165 | case OMPD_for_simd: |
2166 | case OMPD_sections: |
2167 | case OMPD_section: |
2168 | case OMPD_single: |
2169 | case OMPD_master: |
2170 | case OMPD_ordered: |
2171 | case OMPD_critical: |
2172 | case OMPD_parallel_for: |
2173 | case OMPD_parallel_for_simd: |
2174 | case OMPD_parallel_sections: |
2175 | case OMPD_parallel_master: |
2176 | case OMPD_atomic: |
2177 | case OMPD_target: |
2178 | case OMPD_teams: |
2179 | case OMPD_cancellation_point: |
2180 | case OMPD_cancel: |
2181 | case OMPD_target_data: |
2182 | case OMPD_target_enter_data: |
2183 | case OMPD_target_exit_data: |
2184 | case OMPD_target_parallel: |
2185 | case OMPD_target_parallel_for: |
2186 | case OMPD_taskloop: |
2187 | case OMPD_taskloop_simd: |
2188 | case OMPD_master_taskloop: |
2189 | case OMPD_master_taskloop_simd: |
2190 | case OMPD_parallel_master_taskloop: |
2191 | case OMPD_parallel_master_taskloop_simd: |
2192 | case OMPD_distribute: |
2193 | case OMPD_end_declare_target: |
2194 | case OMPD_target_update: |
2195 | case OMPD_distribute_parallel_for: |
2196 | case OMPD_distribute_parallel_for_simd: |
2197 | case OMPD_distribute_simd: |
2198 | case OMPD_target_parallel_for_simd: |
2199 | case OMPD_target_simd: |
2200 | case OMPD_teams_distribute: |
2201 | case OMPD_teams_distribute_simd: |
2202 | case OMPD_teams_distribute_parallel_for_simd: |
2203 | case OMPD_teams_distribute_parallel_for: |
2204 | case OMPD_target_teams: |
2205 | case OMPD_target_teams_distribute: |
2206 | case OMPD_target_teams_distribute_parallel_for: |
2207 | case OMPD_target_teams_distribute_parallel_for_simd: |
2208 | case OMPD_target_teams_distribute_simd: |
2209 | Diag(Tok, diag::err_omp_unexpected_directive) |
2210 | << 1 << getOpenMPDirectiveName(DKind); |
2211 | break; |
2212 | default: |
2213 | break; |
2214 | } |
2215 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
2216 | ConsumeAnyToken(); |
2217 | ConsumeAnyToken(); |
2218 | return nullptr; |
2219 | } |
2220 | |
2221 | /// Parsing of declarative or executable OpenMP directives. |
2222 | /// |
2223 | /// threadprivate-directive: |
2224 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
2225 | /// annot_pragma_openmp_end |
2226 | /// |
2227 | /// allocate-directive: |
2228 | /// annot_pragma_openmp 'allocate' simple-variable-list |
2229 | /// annot_pragma_openmp_end |
2230 | /// |
2231 | /// declare-reduction-directive: |
2232 | /// annot_pragma_openmp 'declare' 'reduction' '(' <reduction_id> ':' |
2233 | /// <type> {',' <type>} ':' <expression> ')' ['initializer' '(' |
2234 | /// ('omp_priv' '=' <expression>|<function_call>) ')'] |
2235 | /// annot_pragma_openmp_end |
2236 | /// |
2237 | /// declare-mapper-directive: |
2238 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
2239 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
2240 | /// annot_pragma_openmp_end |
2241 | /// |
2242 | /// executable-directive: |
2243 | /// annot_pragma_openmp 'parallel' | 'simd' | 'for' | 'sections' | |
2244 | /// 'section' | 'single' | 'master' | 'critical' [ '(' <name> ')' ] | |
2245 | /// 'parallel for' | 'parallel sections' | 'parallel master' | 'task' | |
2246 | /// 'taskyield' | 'barrier' | 'taskwait' | 'flush' | 'ordered' | |
2247 | /// 'atomic' | 'for simd' | 'parallel for simd' | 'target' | 'target |
2248 | /// data' | 'taskgroup' | 'teams' | 'taskloop' | 'taskloop simd' | |
2249 | /// 'master taskloop' | 'master taskloop simd' | 'parallel master |
2250 | /// taskloop' | 'parallel master taskloop simd' | 'distribute' | 'target |
2251 | /// enter data' | 'target exit data' | 'target parallel' | 'target |
2252 | /// parallel for' | 'target update' | 'distribute parallel for' | |
2253 | /// 'distribute paralle for simd' | 'distribute simd' | 'target parallel |
2254 | /// for simd' | 'target simd' | 'teams distribute' | 'teams distribute |
2255 | /// simd' | 'teams distribute parallel for simd' | 'teams distribute |
2256 | /// parallel for' | 'target teams' | 'target teams distribute' | 'target |
2257 | /// teams distribute parallel for' | 'target teams distribute parallel |
2258 | /// for simd' | 'target teams distribute simd' {clause} |
2259 | /// annot_pragma_openmp_end |
2260 | /// |
2261 | StmtResult |
2262 | Parser::ParseOpenMPDeclarativeOrExecutableDirective(ParsedStmtContext StmtCtx) { |
2263 | assert(Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!")((Tok.is(tok::annot_pragma_openmp) && "Not an OpenMP directive!" ) ? static_cast<void> (0) : __assert_fail ("Tok.is(tok::annot_pragma_openmp) && \"Not an OpenMP directive!\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2263, __PRETTY_FUNCTION__)); |
2264 | ParsingOpenMPDirectiveRAII DirScope(*this); |
2265 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
2266 | SmallVector<OMPClause *, 5> Clauses; |
2267 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2268 | llvm::omp::Clause_enumSize + 1> |
2269 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2270 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
2271 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
2272 | SourceLocation Loc = ConsumeAnnotationToken(), EndLoc; |
2273 | OpenMPDirectiveKind DKind = parseOpenMPDirectiveKind(*this); |
2274 | OpenMPDirectiveKind CancelRegion = OMPD_unknown; |
2275 | // Name of critical directive. |
2276 | DeclarationNameInfo DirName; |
2277 | StmtResult Directive = StmtError(); |
2278 | bool HasAssociatedStatement = true; |
2279 | |
2280 | switch (DKind) { |
2281 | case OMPD_threadprivate: { |
2282 | // FIXME: Should this be permitted in C++? |
2283 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2284 | ParsedStmtContext()) { |
2285 | Diag(Tok, diag::err_omp_immediate_directive) |
2286 | << getOpenMPDirectiveName(DKind) << 0; |
2287 | } |
2288 | ConsumeToken(); |
2289 | DeclDirectiveListParserHelper Helper(this, DKind); |
2290 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2291 | /*AllowScopeSpecifier=*/false)) { |
2292 | skipUntilPragmaOpenMPEnd(DKind); |
2293 | DeclGroupPtrTy Res = Actions.ActOnOpenMPThreadprivateDirective( |
2294 | Loc, Helper.getIdentifiers()); |
2295 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2296 | } |
2297 | SkipUntil(tok::annot_pragma_openmp_end); |
2298 | break; |
2299 | } |
2300 | case OMPD_allocate: { |
2301 | // FIXME: Should this be permitted in C++? |
2302 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2303 | ParsedStmtContext()) { |
2304 | Diag(Tok, diag::err_omp_immediate_directive) |
2305 | << getOpenMPDirectiveName(DKind) << 0; |
2306 | } |
2307 | ConsumeToken(); |
2308 | DeclDirectiveListParserHelper Helper(this, DKind); |
2309 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2310 | /*AllowScopeSpecifier=*/false)) { |
2311 | SmallVector<OMPClause *, 1> Clauses; |
2312 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2313 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2314 | llvm::omp::Clause_enumSize + 1> |
2315 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2316 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2317 | OpenMPClauseKind CKind = |
2318 | Tok.isAnnotation() ? OMPC_unknown |
2319 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2320 | Actions.StartOpenMPClause(CKind); |
2321 | OMPClause *Clause = ParseOpenMPClause( |
2322 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2323 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2324 | StopBeforeMatch); |
2325 | FirstClauses[unsigned(CKind)].setInt(true); |
2326 | if (Clause != nullptr) |
2327 | Clauses.push_back(Clause); |
2328 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2329 | Actions.EndOpenMPClause(); |
2330 | break; |
2331 | } |
2332 | // Skip ',' if any. |
2333 | if (Tok.is(tok::comma)) |
2334 | ConsumeToken(); |
2335 | Actions.EndOpenMPClause(); |
2336 | } |
2337 | skipUntilPragmaOpenMPEnd(DKind); |
2338 | } |
2339 | DeclGroupPtrTy Res = Actions.ActOnOpenMPAllocateDirective( |
2340 | Loc, Helper.getIdentifiers(), Clauses); |
2341 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2342 | } |
2343 | SkipUntil(tok::annot_pragma_openmp_end); |
2344 | break; |
2345 | } |
2346 | case OMPD_declare_reduction: |
2347 | ConsumeToken(); |
2348 | if (DeclGroupPtrTy Res = |
2349 | ParseOpenMPDeclareReductionDirective(/*AS=*/AS_none)) { |
2350 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
2351 | ConsumeAnyToken(); |
2352 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2353 | } else { |
2354 | SkipUntil(tok::annot_pragma_openmp_end); |
2355 | } |
2356 | break; |
2357 | case OMPD_declare_mapper: { |
2358 | ConsumeToken(); |
2359 | if (DeclGroupPtrTy Res = |
2360 | ParseOpenMPDeclareMapperDirective(/*AS=*/AS_none)) { |
2361 | // Skip the last annot_pragma_openmp_end. |
2362 | ConsumeAnnotationToken(); |
2363 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2364 | } else { |
2365 | SkipUntil(tok::annot_pragma_openmp_end); |
2366 | } |
2367 | break; |
2368 | } |
2369 | case OMPD_flush: |
2370 | case OMPD_depobj: |
2371 | case OMPD_scan: |
2372 | case OMPD_taskyield: |
2373 | case OMPD_barrier: |
2374 | case OMPD_taskwait: |
2375 | case OMPD_cancellation_point: |
2376 | case OMPD_cancel: |
2377 | case OMPD_target_enter_data: |
2378 | case OMPD_target_exit_data: |
2379 | case OMPD_target_update: |
2380 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2381 | ParsedStmtContext()) { |
2382 | Diag(Tok, diag::err_omp_immediate_directive) |
2383 | << getOpenMPDirectiveName(DKind) << 0; |
2384 | } |
2385 | HasAssociatedStatement = false; |
2386 | // Fall through for further analysis. |
2387 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
2388 | case OMPD_parallel: |
2389 | case OMPD_simd: |
2390 | case OMPD_for: |
2391 | case OMPD_for_simd: |
2392 | case OMPD_sections: |
2393 | case OMPD_single: |
2394 | case OMPD_section: |
2395 | case OMPD_master: |
2396 | case OMPD_critical: |
2397 | case OMPD_parallel_for: |
2398 | case OMPD_parallel_for_simd: |
2399 | case OMPD_parallel_sections: |
2400 | case OMPD_parallel_master: |
2401 | case OMPD_task: |
2402 | case OMPD_ordered: |
2403 | case OMPD_atomic: |
2404 | case OMPD_target: |
2405 | case OMPD_teams: |
2406 | case OMPD_taskgroup: |
2407 | case OMPD_target_data: |
2408 | case OMPD_target_parallel: |
2409 | case OMPD_target_parallel_for: |
2410 | case OMPD_taskloop: |
2411 | case OMPD_taskloop_simd: |
2412 | case OMPD_master_taskloop: |
2413 | case OMPD_master_taskloop_simd: |
2414 | case OMPD_parallel_master_taskloop: |
2415 | case OMPD_parallel_master_taskloop_simd: |
2416 | case OMPD_distribute: |
2417 | case OMPD_distribute_parallel_for: |
2418 | case OMPD_distribute_parallel_for_simd: |
2419 | case OMPD_distribute_simd: |
2420 | case OMPD_target_parallel_for_simd: |
2421 | case OMPD_target_simd: |
2422 | case OMPD_teams_distribute: |
2423 | case OMPD_teams_distribute_simd: |
2424 | case OMPD_teams_distribute_parallel_for_simd: |
2425 | case OMPD_teams_distribute_parallel_for: |
2426 | case OMPD_target_teams: |
2427 | case OMPD_target_teams_distribute: |
2428 | case OMPD_target_teams_distribute_parallel_for: |
2429 | case OMPD_target_teams_distribute_parallel_for_simd: |
2430 | case OMPD_target_teams_distribute_simd: { |
2431 | // Special processing for flush and depobj clauses. |
2432 | Token ImplicitTok; |
2433 | bool ImplicitClauseAllowed = false; |
2434 | if (DKind == OMPD_flush || DKind == OMPD_depobj) { |
2435 | ImplicitTok = Tok; |
2436 | ImplicitClauseAllowed = true; |
2437 | } |
2438 | ConsumeToken(); |
2439 | // Parse directive name of the 'critical' directive if any. |
2440 | if (DKind == OMPD_critical) { |
2441 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2442 | tok::annot_pragma_openmp_end); |
2443 | if (!T.consumeOpen()) { |
2444 | if (Tok.isAnyIdentifier()) { |
2445 | DirName = |
2446 | DeclarationNameInfo(Tok.getIdentifierInfo(), Tok.getLocation()); |
2447 | ConsumeAnyToken(); |
2448 | } else { |
2449 | Diag(Tok, diag::err_omp_expected_identifier_for_critical); |
2450 | } |
2451 | T.consumeClose(); |
2452 | } |
2453 | } else if (DKind == OMPD_cancellation_point || DKind == OMPD_cancel) { |
2454 | CancelRegion = parseOpenMPDirectiveKind(*this); |
2455 | if (Tok.isNot(tok::annot_pragma_openmp_end)) |
2456 | ConsumeToken(); |
2457 | } |
2458 | |
2459 | if (isOpenMPLoopDirective(DKind)) |
2460 | ScopeFlags |= Scope::OpenMPLoopDirectiveScope; |
2461 | if (isOpenMPSimdDirective(DKind)) |
2462 | ScopeFlags |= Scope::OpenMPSimdDirectiveScope; |
2463 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
2464 | Actions.StartOpenMPDSABlock(DKind, DirName, Actions.getCurScope(), Loc); |
2465 | |
2466 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2467 | bool HasImplicitClause = false; |
2468 | if (ImplicitClauseAllowed && Tok.is(tok::l_paren)) { |
2469 | HasImplicitClause = true; |
2470 | // Push copy of the current token back to stream to properly parse |
2471 | // pseudo-clause OMPFlushClause or OMPDepobjClause. |
2472 | PP.EnterToken(Tok, /*IsReinject*/ true); |
2473 | PP.EnterToken(ImplicitTok, /*IsReinject*/ true); |
2474 | ConsumeAnyToken(); |
2475 | } |
2476 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2477 | ? OMPC_unknown |
2478 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2479 | if (HasImplicitClause) { |
2480 | assert(CKind == OMPC_unknown && "Must be unknown implicit clause.")((CKind == OMPC_unknown && "Must be unknown implicit clause." ) ? static_cast<void> (0) : __assert_fail ("CKind == OMPC_unknown && \"Must be unknown implicit clause.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2480, __PRETTY_FUNCTION__)); |
2481 | if (DKind == OMPD_flush) { |
2482 | CKind = OMPC_flush; |
2483 | } else { |
2484 | assert(DKind == OMPD_depobj &&((DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? static_cast<void> (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2485, __PRETTY_FUNCTION__)) |
2485 | "Expected flush or depobj directives.")((DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? static_cast<void> (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 2485, __PRETTY_FUNCTION__)); |
2486 | CKind = OMPC_depobj; |
2487 | } |
2488 | } |
2489 | // No more implicit clauses allowed. |
2490 | ImplicitClauseAllowed = false; |
2491 | Actions.StartOpenMPClause(CKind); |
2492 | HasImplicitClause = false; |
Value stored to 'HasImplicitClause' is never read | |
2493 | OMPClause *Clause = ParseOpenMPClause( |
2494 | DKind, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2495 | FirstClauses[unsigned(CKind)].setInt(true); |
2496 | if (Clause) { |
2497 | FirstClauses[unsigned(CKind)].setPointer(Clause); |
2498 | Clauses.push_back(Clause); |
2499 | } |
2500 | |
2501 | // Skip ',' if any. |
2502 | if (Tok.is(tok::comma)) |
2503 | ConsumeToken(); |
2504 | Actions.EndOpenMPClause(); |
2505 | } |
2506 | // End location of the directive. |
2507 | EndLoc = Tok.getLocation(); |
2508 | // Consume final annot_pragma_openmp_end. |
2509 | ConsumeAnnotationToken(); |
2510 | |
2511 | // OpenMP [2.13.8, ordered Construct, Syntax] |
2512 | // If the depend clause is specified, the ordered construct is a stand-alone |
2513 | // directive. |
2514 | if (DKind == OMPD_ordered && FirstClauses[unsigned(OMPC_depend)].getInt()) { |
2515 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2516 | ParsedStmtContext()) { |
2517 | Diag(Loc, diag::err_omp_immediate_directive) |
2518 | << getOpenMPDirectiveName(DKind) << 1 |
2519 | << getOpenMPClauseName(OMPC_depend); |
2520 | } |
2521 | HasAssociatedStatement = false; |
2522 | } |
2523 | |
2524 | StmtResult AssociatedStmt; |
2525 | if (HasAssociatedStatement) { |
2526 | // The body is a block scope like in Lambdas and Blocks. |
2527 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2528 | // FIXME: We create a bogus CompoundStmt scope to hold the contents of |
2529 | // the captured region. Code elsewhere assumes that any FunctionScopeInfo |
2530 | // should have at least one compound statement scope within it. |
2531 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2532 | AssociatedStmt = (Sema::CompoundScopeRAII(Actions), ParseStatement()); |
2533 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2534 | } else if (DKind == OMPD_target_update || DKind == OMPD_target_enter_data || |
2535 | DKind == OMPD_target_exit_data) { |
2536 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2537 | AssociatedStmt = (Sema::CompoundScopeRAII(Actions), |
2538 | Actions.ActOnCompoundStmt(Loc, Loc, llvm::None, |
2539 | /*isStmtExpr=*/false)); |
2540 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2541 | } |
2542 | Directive = Actions.ActOnOpenMPExecutableDirective( |
2543 | DKind, DirName, CancelRegion, Clauses, AssociatedStmt.get(), Loc, |
2544 | EndLoc); |
2545 | |
2546 | // Exit scope. |
2547 | Actions.EndOpenMPDSABlock(Directive.get()); |
2548 | OMPDirectiveScope.Exit(); |
2549 | break; |
2550 | } |
2551 | case OMPD_declare_simd: |
2552 | case OMPD_declare_target: |
2553 | case OMPD_end_declare_target: |
2554 | case OMPD_requires: |
2555 | case OMPD_begin_declare_variant: |
2556 | case OMPD_end_declare_variant: |
2557 | case OMPD_declare_variant: |
2558 | Diag(Tok, diag::err_omp_unexpected_directive) |
2559 | << 1 << getOpenMPDirectiveName(DKind); |
2560 | SkipUntil(tok::annot_pragma_openmp_end); |
2561 | break; |
2562 | case OMPD_unknown: |
2563 | default: |
2564 | Diag(Tok, diag::err_omp_unknown_directive); |
2565 | SkipUntil(tok::annot_pragma_openmp_end); |
2566 | break; |
2567 | } |
2568 | return Directive; |
2569 | } |
2570 | |
2571 | // Parses simple list: |
2572 | // simple-variable-list: |
2573 | // '(' id-expression {, id-expression} ')' |
2574 | // |
2575 | bool Parser::ParseOpenMPSimpleVarList( |
2576 | OpenMPDirectiveKind Kind, |
2577 | const llvm::function_ref<void(CXXScopeSpec &, DeclarationNameInfo)> |
2578 | &Callback, |
2579 | bool AllowScopeSpecifier) { |
2580 | // Parse '('. |
2581 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
2582 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
2583 | getOpenMPDirectiveName(Kind).data())) |
2584 | return true; |
2585 | bool IsCorrect = true; |
2586 | bool NoIdentIsFound = true; |
2587 | |
2588 | // Read tokens while ')' or annot_pragma_openmp_end is not found. |
2589 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
2590 | CXXScopeSpec SS; |
2591 | UnqualifiedId Name; |
2592 | // Read var name. |
2593 | Token PrevTok = Tok; |
2594 | NoIdentIsFound = false; |
2595 | |
2596 | if (AllowScopeSpecifier && getLangOpts().CPlusPlus && |
2597 | ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/nullptr, |
2598 | /*ObjectHadErrors=*/false, false)) { |
2599 | IsCorrect = false; |
2600 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2601 | StopBeforeMatch); |
2602 | } else if (ParseUnqualifiedId(SS, /*ObjectType=*/nullptr, |
2603 | /*ObjectHadErrors=*/false, false, false, |
2604 | false, false, nullptr, Name)) { |
2605 | IsCorrect = false; |
2606 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2607 | StopBeforeMatch); |
2608 | } else if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren) && |
2609 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
2610 | IsCorrect = false; |
2611 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2612 | StopBeforeMatch); |
2613 | Diag(PrevTok.getLocation(), diag::err_expected) |
2614 | << tok::identifier |
2615 | << SourceRange(PrevTok.getLocation(), PrevTokLocation); |
2616 | } else { |
2617 | Callback(SS, Actions.GetNameFromUnqualifiedId(Name)); |
2618 | } |
2619 | // Consume ','. |
2620 | if (Tok.is(tok::comma)) { |
2621 | ConsumeToken(); |
2622 | } |
2623 | } |
2624 | |
2625 | if (NoIdentIsFound) { |
2626 | Diag(Tok, diag::err_expected) << tok::identifier; |
2627 | IsCorrect = false; |
2628 | } |
2629 | |
2630 | // Parse ')'. |
2631 | IsCorrect = !T.consumeClose() && IsCorrect; |
2632 | |
2633 | return !IsCorrect; |
2634 | } |
2635 | |
2636 | OMPClause *Parser::ParseOpenMPUsesAllocatorClause(OpenMPDirectiveKind DKind) { |
2637 | SourceLocation Loc = Tok.getLocation(); |
2638 | ConsumeAnyToken(); |
2639 | |
2640 | // Parse '('. |
2641 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
2642 | if (T.expectAndConsume(diag::err_expected_lparen_after, "uses_allocator")) |
2643 | return nullptr; |
2644 | SmallVector<Sema::UsesAllocatorsData, 4> Data; |
2645 | do { |
2646 | ExprResult Allocator = ParseCXXIdExpression(); |
2647 | if (Allocator.isInvalid()) { |
2648 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2649 | StopBeforeMatch); |
2650 | break; |
2651 | } |
2652 | Sema::UsesAllocatorsData &D = Data.emplace_back(); |
2653 | D.Allocator = Allocator.get(); |
2654 | if (Tok.is(tok::l_paren)) { |
2655 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2656 | tok::annot_pragma_openmp_end); |
2657 | T.consumeOpen(); |
2658 | ExprResult AllocatorTraits = ParseCXXIdExpression(); |
2659 | T.consumeClose(); |
2660 | if (AllocatorTraits.isInvalid()) { |
2661 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
2662 | StopBeforeMatch); |
2663 | break; |
2664 | } |
2665 | D.AllocatorTraits = AllocatorTraits.get(); |
2666 | D.LParenLoc = T.getOpenLocation(); |
2667 | D.RParenLoc = T.getCloseLocation(); |
2668 | } |
2669 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
2670 | Diag(Tok, diag::err_omp_expected_punc) << "uses_allocators" << 0; |
2671 | // Parse ',' |
2672 | if (Tok.is(tok::comma)) |
2673 | ConsumeAnyToken(); |
2674 | } while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)); |
2675 | T.consumeClose(); |
2676 | return Actions.ActOnOpenMPUsesAllocatorClause(Loc, T.getOpenLocation(), |
2677 | T.getCloseLocation(), Data); |
2678 | } |
2679 | |
2680 | /// Parsing of OpenMP clauses. |
2681 | /// |
2682 | /// clause: |
2683 | /// if-clause | final-clause | num_threads-clause | safelen-clause | |
2684 | /// default-clause | private-clause | firstprivate-clause | shared-clause |
2685 | /// | linear-clause | aligned-clause | collapse-clause | |
2686 | /// lastprivate-clause | reduction-clause | proc_bind-clause | |
2687 | /// schedule-clause | copyin-clause | copyprivate-clause | untied-clause | |
2688 | /// mergeable-clause | flush-clause | read-clause | write-clause | |
2689 | /// update-clause | capture-clause | seq_cst-clause | device-clause | |
2690 | /// simdlen-clause | threads-clause | simd-clause | num_teams-clause | |
2691 | /// thread_limit-clause | priority-clause | grainsize-clause | |
2692 | /// nogroup-clause | num_tasks-clause | hint-clause | to-clause | |
2693 | /// from-clause | is_device_ptr-clause | task_reduction-clause | |
2694 | /// in_reduction-clause | allocator-clause | allocate-clause | |
2695 | /// acq_rel-clause | acquire-clause | release-clause | relaxed-clause | |
2696 | /// depobj-clause | destroy-clause | detach-clause | inclusive-clause | |
2697 | /// exclusive-clause | uses_allocators-clause | use_device_addr-clause |
2698 | /// |
2699 | OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind, |
2700 | OpenMPClauseKind CKind, bool FirstClause) { |
2701 | OMPClauseKind = CKind; |
2702 | OMPClause *Clause = nullptr; |
2703 | bool ErrorFound = false; |
2704 | bool WrongDirective = false; |
2705 | // Check if clause is allowed for the given directive. |
2706 | if (CKind != OMPC_unknown && |
2707 | !isAllowedClauseForDirective(DKind, CKind, getLangOpts().OpenMP)) { |
2708 | Diag(Tok, diag::err_omp_unexpected_clause) |
2709 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
2710 | ErrorFound = true; |
2711 | WrongDirective = true; |
2712 | } |
2713 | |
2714 | switch (CKind) { |
2715 | case OMPC_final: |
2716 | case OMPC_num_threads: |
2717 | case OMPC_safelen: |
2718 | case OMPC_simdlen: |
2719 | case OMPC_collapse: |
2720 | case OMPC_ordered: |
2721 | case OMPC_num_teams: |
2722 | case OMPC_thread_limit: |
2723 | case OMPC_priority: |
2724 | case OMPC_grainsize: |
2725 | case OMPC_num_tasks: |
2726 | case OMPC_hint: |
2727 | case OMPC_allocator: |
2728 | case OMPC_depobj: |
2729 | case OMPC_detach: |
2730 | // OpenMP [2.5, Restrictions] |
2731 | // At most one num_threads clause can appear on the directive. |
2732 | // OpenMP [2.8.1, simd construct, Restrictions] |
2733 | // Only one safelen clause can appear on a simd directive. |
2734 | // Only one simdlen clause can appear on a simd directive. |
2735 | // Only one collapse clause can appear on a simd directive. |
2736 | // OpenMP [2.11.1, task Construct, Restrictions] |
2737 | // At most one if clause can appear on the directive. |
2738 | // At most one final clause can appear on the directive. |
2739 | // OpenMP [teams Construct, Restrictions] |
2740 | // At most one num_teams clause can appear on the directive. |
2741 | // At most one thread_limit clause can appear on the directive. |
2742 | // OpenMP [2.9.1, task Construct, Restrictions] |
2743 | // At most one priority clause can appear on the directive. |
2744 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
2745 | // At most one grainsize clause can appear on the directive. |
2746 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
2747 | // At most one num_tasks clause can appear on the directive. |
2748 | // OpenMP [2.11.3, allocate Directive, Restrictions] |
2749 | // At most one allocator clause can appear on the directive. |
2750 | // OpenMP 5.0, 2.10.1 task Construct, Restrictions. |
2751 | // At most one detach clause can appear on the directive. |
2752 | if (!FirstClause) { |
2753 | Diag(Tok, diag::err_omp_more_one_clause) |
2754 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
2755 | ErrorFound = true; |
2756 | } |
2757 | |
2758 | if (CKind == OMPC_ordered && PP.LookAhead(/*N=*/0).isNot(tok::l_paren)) |
2759 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
2760 | else |
2761 | Clause = ParseOpenMPSingleExprClause(CKind, WrongDirective); |
2762 | break; |
2763 | case OMPC_default: |
2764 | case OMPC_proc_bind: |
2765 | case OMPC_atomic_default_mem_order: |
2766 | case OMPC_order: |
2767 | // OpenMP [2.14.3.1, Restrictions] |
2768 | // Only a single default clause may be specified on a parallel, task or |
2769 | // teams directive. |
2770 | // OpenMP [2.5, parallel Construct, Restrictions] |
2771 | // At most one proc_bind clause can appear on the directive. |
2772 | // OpenMP [5.0, Requires directive, Restrictions] |
2773 | // At most one atomic_default_mem_order clause can appear |
2774 | // on the directive |
2775 | if (!FirstClause && CKind != OMPC_order) { |
2776 | Diag(Tok, diag::err_omp_more_one_clause) |
2777 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
2778 | ErrorFound = true; |
2779 | } |
2780 | |
2781 | Clause = ParseOpenMPSimpleClause(CKind, WrongDirective); |
2782 | break; |
2783 | case OMPC_device: |
2784 | case OMPC_schedule: |
2785 | case OMPC_dist_schedule: |
2786 | case OMPC_defaultmap: |
2787 | // OpenMP [2.7.1, Restrictions, p. 3] |
2788 | // Only one schedule clause can appear on a loop directive. |
2789 | // OpenMP 4.5 [2.10.4, Restrictions, p. 106] |
2790 | // At most one defaultmap clause can appear on the directive. |
2791 | // OpenMP 5.0 [2.12.5, target construct, Restrictions] |
2792 | // At most one device clause can appear on the directive. |
2793 | if ((getLangOpts().OpenMP < 50 || CKind != OMPC_defaultmap) && |
2794 | !FirstClause) { |
2795 | Diag(Tok, diag::err_omp_more_one_clause) |
2796 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
2797 | ErrorFound = true; |
2798 | } |
2799 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; |
2800 | case OMPC_if: |
2801 | Clause = ParseOpenMPSingleExprWithArgClause(DKind, CKind, WrongDirective); |
2802 | break; |
2803 | case OMPC_nowait: |
2804 | case OMPC_untied: |
2805 | case OMPC_mergeable: |
2806 | case OMPC_read: |
2807 | case OMPC_write: |
2808 | case OMPC_capture: |
2809 | case OMPC_seq_cst: |
2810 | case OMPC_acq_rel: |
2811 | case OMPC_acquire: |
2812 | case OMPC_release: |
2813 | case OMPC_relaxed: |
2814 | case OMPC_threads: |
2815 | case OMPC_simd: |
2816 | case OMPC_nogroup: |
2817 | case OMPC_unified_address: |
2818 | case OMPC_unified_shared_memory: |
2819 | case OMPC_reverse_offload: |
2820 | case OMPC_dynamic_allocators: |
2821 | case OMPC_destroy: |
2822 | // OpenMP [2.7.1, Restrictions, p. 9] |
2823 | // Only one ordered clause can appear on a loop directive. |
2824 | // OpenMP [2.7.1, Restrictions, C/C++, p. 4] |
2825 | // Only one nowait clause can appear on a for directive. |
2826 | // OpenMP [5.0, Requires directive, Restrictions] |
2827 | // Each of the requires clauses can appear at most once on the directive. |
2828 | if (!FirstClause) { |
2829 | Diag(Tok, diag::err_omp_more_one_clause) |
2830 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
2831 | ErrorFound = true; |
2832 | } |
2833 | |
2834 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
2835 | break; |
2836 | case OMPC_update: |
2837 | if (!FirstClause) { |
2838 | Diag(Tok, diag::err_omp_more_one_clause) |
2839 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
2840 | ErrorFound = true; |
2841 | } |
2842 | |
2843 | Clause = (DKind == OMPD_depobj) |
2844 | ? ParseOpenMPSimpleClause(CKind, WrongDirective) |
2845 | : ParseOpenMPClause(CKind, WrongDirective); |
2846 | break; |
2847 | case OMPC_private: |
2848 | case OMPC_firstprivate: |
2849 | case OMPC_lastprivate: |
2850 | case OMPC_shared: |
2851 | case OMPC_reduction: |
2852 | case OMPC_task_reduction: |
2853 | case OMPC_in_reduction: |
2854 | case OMPC_linear: |
2855 | case OMPC_aligned: |
2856 | case OMPC_copyin: |
2857 | case OMPC_copyprivate: |
2858 | case OMPC_flush: |
2859 | case OMPC_depend: |
2860 | case OMPC_map: |
2861 | case OMPC_to: |
2862 | case OMPC_from: |
2863 | case OMPC_use_device_ptr: |
2864 | case OMPC_use_device_addr: |
2865 | case OMPC_is_device_ptr: |
2866 | case OMPC_allocate: |
2867 | case OMPC_nontemporal: |
2868 | case OMPC_inclusive: |
2869 | case OMPC_exclusive: |
2870 | case OMPC_affinity: |
2871 | Clause = ParseOpenMPVarListClause(DKind, CKind, WrongDirective); |
2872 | break; |
2873 | case OMPC_uses_allocators: |
2874 | Clause = ParseOpenMPUsesAllocatorClause(DKind); |
2875 | break; |
2876 | case OMPC_device_type: |
2877 | case OMPC_unknown: |
2878 | skipUntilPragmaOpenMPEnd(DKind); |
2879 | break; |
2880 | case OMPC_threadprivate: |
2881 | case OMPC_uniform: |
2882 | case OMPC_match: |
2883 | if (!WrongDirective) |
2884 | Diag(Tok, diag::err_omp_unexpected_clause) |
2885 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
2886 | SkipUntil(tok::comma, tok::annot_pragma_openmp_end, StopBeforeMatch); |
2887 | break; |
2888 | default: |
2889 | break; |
2890 | } |
2891 | return ErrorFound ? nullptr : Clause; |
2892 | } |
2893 | |
2894 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
2895 | /// constructs. |
2896 | /// \param RLoc Returned location of right paren. |
2897 | ExprResult Parser::ParseOpenMPParensExpr(StringRef ClauseName, |
2898 | SourceLocation &RLoc, |
2899 | bool IsAddressOfOperand) { |
2900 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
2901 | if (T.expectAndConsume(diag::err_expected_lparen_after, ClauseName.data())) |
2902 | return ExprError(); |
2903 | |
2904 | SourceLocation ELoc = Tok.getLocation(); |
2905 | ExprResult LHS( |
2906 | ParseCastExpression(AnyCastExpr, IsAddressOfOperand, NotTypeCast)); |
2907 | ExprResult Val(ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
2908 | Val = Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
2909 | |
2910 | // Parse ')'. |
2911 | RLoc = Tok.getLocation(); |
2912 | if (!T.consumeClose()) |
2913 | RLoc = T.getCloseLocation(); |
2914 | |
2915 | return Val; |
2916 | } |
2917 | |
2918 | /// Parsing of OpenMP clauses with single expressions like 'final', |
2919 | /// 'collapse', 'safelen', 'num_threads', 'simdlen', 'num_teams', |
2920 | /// 'thread_limit', 'simdlen', 'priority', 'grainsize', 'num_tasks', 'hint' or |
2921 | /// 'detach'. |
2922 | /// |
2923 | /// final-clause: |
2924 | /// 'final' '(' expression ')' |
2925 | /// |
2926 | /// num_threads-clause: |
2927 | /// 'num_threads' '(' expression ')' |
2928 | /// |
2929 | /// safelen-clause: |
2930 | /// 'safelen' '(' expression ')' |
2931 | /// |
2932 | /// simdlen-clause: |
2933 | /// 'simdlen' '(' expression ')' |
2934 | /// |
2935 | /// collapse-clause: |
2936 | /// 'collapse' '(' expression ')' |
2937 | /// |
2938 | /// priority-clause: |
2939 | /// 'priority' '(' expression ')' |
2940 | /// |
2941 | /// grainsize-clause: |
2942 | /// 'grainsize' '(' expression ')' |
2943 | /// |
2944 | /// num_tasks-clause: |
2945 | /// 'num_tasks' '(' expression ')' |
2946 | /// |
2947 | /// hint-clause: |
2948 | /// 'hint' '(' expression ')' |
2949 | /// |
2950 | /// allocator-clause: |
2951 | /// 'allocator' '(' expression ')' |
2952 | /// |
2953 | /// detach-clause: |
2954 | /// 'detach' '(' event-handler-expression ')' |
2955 | /// |
2956 | OMPClause *Parser::ParseOpenMPSingleExprClause(OpenMPClauseKind Kind, |
2957 | bool ParseOnly) { |
2958 | SourceLocation Loc = ConsumeToken(); |
2959 | SourceLocation LLoc = Tok.getLocation(); |
2960 | SourceLocation RLoc; |
2961 | |
2962 | ExprResult Val = ParseOpenMPParensExpr(getOpenMPClauseName(Kind), RLoc); |
2963 | |
2964 | if (Val.isInvalid()) |
2965 | return nullptr; |
2966 | |
2967 | if (ParseOnly) |
2968 | return nullptr; |
2969 | return Actions.ActOnOpenMPSingleExprClause(Kind, Val.get(), Loc, LLoc, RLoc); |
2970 | } |
2971 | |
2972 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
2973 | /// |
2974 | /// default-clause: |
2975 | /// 'default' '(' 'none' | 'shared' | 'firstprivate' ')' |
2976 | /// |
2977 | /// proc_bind-clause: |
2978 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ')' |
2979 | /// |
2980 | /// update-clause: |
2981 | /// 'update' '(' 'in' | 'out' | 'inout' | 'mutexinoutset' ')' |
2982 | /// |
2983 | OMPClause *Parser::ParseOpenMPSimpleClause(OpenMPClauseKind Kind, |
2984 | bool ParseOnly) { |
2985 | llvm::Optional<SimpleClauseData> Val = parseOpenMPSimpleClause(*this, Kind); |
2986 | if (!Val || ParseOnly) |
2987 | return nullptr; |
2988 | if (getLangOpts().OpenMP < 51 && Kind == OMPC_default && |
2989 | static_cast<DefaultKind>(Val.getValue().Type) == |
2990 | OMP_DEFAULT_firstprivate) { |
2991 | Diag(Val.getValue().LOpen, diag::err_omp_invalid_dsa) |
2992 | << getOpenMPClauseName(OMPC_firstprivate) |
2993 | << getOpenMPClauseName(OMPC_default) << "5.1"; |
2994 | return nullptr; |
2995 | } |
2996 | return Actions.ActOnOpenMPSimpleClause( |
2997 | Kind, Val.getValue().Type, Val.getValue().TypeLoc, Val.getValue().LOpen, |
2998 | Val.getValue().Loc, Val.getValue().RLoc); |
2999 | } |
3000 | |
3001 | /// Parsing of OpenMP clauses like 'ordered'. |
3002 | /// |
3003 | /// ordered-clause: |
3004 | /// 'ordered' |
3005 | /// |
3006 | /// nowait-clause: |
3007 | /// 'nowait' |
3008 | /// |
3009 | /// untied-clause: |
3010 | /// 'untied' |
3011 | /// |
3012 | /// mergeable-clause: |
3013 | /// 'mergeable' |
3014 | /// |
3015 | /// read-clause: |
3016 | /// 'read' |
3017 | /// |
3018 | /// threads-clause: |
3019 | /// 'threads' |
3020 | /// |
3021 | /// simd-clause: |
3022 | /// 'simd' |
3023 | /// |
3024 | /// nogroup-clause: |
3025 | /// 'nogroup' |
3026 | /// |
3027 | OMPClause *Parser::ParseOpenMPClause(OpenMPClauseKind Kind, bool ParseOnly) { |
3028 | SourceLocation Loc = Tok.getLocation(); |
3029 | ConsumeAnyToken(); |
3030 | |
3031 | if (ParseOnly) |
3032 | return nullptr; |
3033 | return Actions.ActOnOpenMPClause(Kind, Loc, Tok.getLocation()); |
3034 | } |
3035 | |
3036 | /// Parsing of OpenMP clauses with single expressions and some additional |
3037 | /// argument like 'schedule' or 'dist_schedule'. |
3038 | /// |
3039 | /// schedule-clause: |
3040 | /// 'schedule' '(' [ modifier [ ',' modifier ] ':' ] kind [',' expression ] |
3041 | /// ')' |
3042 | /// |
3043 | /// if-clause: |
3044 | /// 'if' '(' [ directive-name-modifier ':' ] expression ')' |
3045 | /// |
3046 | /// defaultmap: |
3047 | /// 'defaultmap' '(' modifier [ ':' kind ] ')' |
3048 | /// |
3049 | /// device-clause: |
3050 | /// 'device' '(' [ device-modifier ':' ] expression ')' |
3051 | /// |
3052 | OMPClause *Parser::ParseOpenMPSingleExprWithArgClause(OpenMPDirectiveKind DKind, |
3053 | OpenMPClauseKind Kind, |
3054 | bool ParseOnly) { |
3055 | SourceLocation Loc = ConsumeToken(); |
3056 | SourceLocation DelimLoc; |
3057 | // Parse '('. |
3058 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3059 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3060 | getOpenMPClauseName(Kind).data())) |
3061 | return nullptr; |
3062 | |
3063 | ExprResult Val; |
3064 | SmallVector<unsigned, 4> Arg; |
3065 | SmallVector<SourceLocation, 4> KLoc; |
3066 | if (Kind == OMPC_schedule) { |
3067 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
3068 | Arg.resize(NumberOfElements); |
3069 | KLoc.resize(NumberOfElements); |
3070 | Arg[Modifier1] = OMPC_SCHEDULE_MODIFIER_unknown; |
3071 | Arg[Modifier2] = OMPC_SCHEDULE_MODIFIER_unknown; |
3072 | Arg[ScheduleKind] = OMPC_SCHEDULE_unknown; |
3073 | unsigned KindModifier = getOpenMPSimpleClauseType( |
3074 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3075 | getLangOpts().OpenMP); |
3076 | if (KindModifier > OMPC_SCHEDULE_unknown) { |
3077 | // Parse 'modifier' |
3078 | Arg[Modifier1] = KindModifier; |
3079 | KLoc[Modifier1] = Tok.getLocation(); |
3080 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3081 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3082 | ConsumeAnyToken(); |
3083 | if (Tok.is(tok::comma)) { |
3084 | // Parse ',' 'modifier' |
3085 | ConsumeAnyToken(); |
3086 | KindModifier = getOpenMPSimpleClauseType( |
3087 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3088 | getLangOpts().OpenMP); |
3089 | Arg[Modifier2] = KindModifier > OMPC_SCHEDULE_unknown |
3090 | ? KindModifier |
3091 | : (unsigned)OMPC_SCHEDULE_unknown; |
3092 | KLoc[Modifier2] = Tok.getLocation(); |
3093 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3094 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3095 | ConsumeAnyToken(); |
3096 | } |
3097 | // Parse ':' |
3098 | if (Tok.is(tok::colon)) |
3099 | ConsumeAnyToken(); |
3100 | else |
3101 | Diag(Tok, diag::warn_pragma_expected_colon) << "schedule modifier"; |
3102 | KindModifier = getOpenMPSimpleClauseType( |
3103 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3104 | getLangOpts().OpenMP); |
3105 | } |
3106 | Arg[ScheduleKind] = KindModifier; |
3107 | KLoc[ScheduleKind] = Tok.getLocation(); |
3108 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3109 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3110 | ConsumeAnyToken(); |
3111 | if ((Arg[ScheduleKind] == OMPC_SCHEDULE_static || |
3112 | Arg[ScheduleKind] == OMPC_SCHEDULE_dynamic || |
3113 | Arg[ScheduleKind] == OMPC_SCHEDULE_guided) && |
3114 | Tok.is(tok::comma)) |
3115 | DelimLoc = ConsumeAnyToken(); |
3116 | } else if (Kind == OMPC_dist_schedule) { |
3117 | Arg.push_back(getOpenMPSimpleClauseType( |
3118 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3119 | getLangOpts().OpenMP)); |
3120 | KLoc.push_back(Tok.getLocation()); |
3121 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3122 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3123 | ConsumeAnyToken(); |
3124 | if (Arg.back() == OMPC_DIST_SCHEDULE_static && Tok.is(tok::comma)) |
3125 | DelimLoc = ConsumeAnyToken(); |
3126 | } else if (Kind == OMPC_defaultmap) { |
3127 | // Get a defaultmap modifier |
3128 | unsigned Modifier = getOpenMPSimpleClauseType( |
3129 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3130 | getLangOpts().OpenMP); |
3131 | // Set defaultmap modifier to unknown if it is either scalar, aggregate, or |
3132 | // pointer |
3133 | if (Modifier < OMPC_DEFAULTMAP_MODIFIER_unknown) |
3134 | Modifier = OMPC_DEFAULTMAP_MODIFIER_unknown; |
3135 | Arg.push_back(Modifier); |
3136 | KLoc.push_back(Tok.getLocation()); |
3137 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3138 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3139 | ConsumeAnyToken(); |
3140 | // Parse ':' |
3141 | if (Tok.is(tok::colon) || getLangOpts().OpenMP < 50) { |
3142 | if (Tok.is(tok::colon)) |
3143 | ConsumeAnyToken(); |
3144 | else if (Arg.back() != OMPC_DEFAULTMAP_MODIFIER_unknown) |
3145 | Diag(Tok, diag::warn_pragma_expected_colon) << "defaultmap modifier"; |
3146 | // Get a defaultmap kind |
3147 | Arg.push_back(getOpenMPSimpleClauseType( |
3148 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3149 | getLangOpts().OpenMP)); |
3150 | KLoc.push_back(Tok.getLocation()); |
3151 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3152 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3153 | ConsumeAnyToken(); |
3154 | } else { |
3155 | Arg.push_back(OMPC_DEFAULTMAP_unknown); |
3156 | KLoc.push_back(SourceLocation()); |
3157 | } |
3158 | } else if (Kind == OMPC_device) { |
3159 | // Only target executable directives support extended device construct. |
3160 | if (isOpenMPTargetExecutionDirective(DKind) && getLangOpts().OpenMP >= 50 && |
3161 | NextToken().is(tok::colon)) { |
3162 | // Parse optional <device modifier> ':' |
3163 | Arg.push_back(getOpenMPSimpleClauseType( |
3164 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3165 | getLangOpts().OpenMP)); |
3166 | KLoc.push_back(Tok.getLocation()); |
3167 | ConsumeAnyToken(); |
3168 | // Parse ':' |
3169 | ConsumeAnyToken(); |
3170 | } else { |
3171 | Arg.push_back(OMPC_DEVICE_unknown); |
3172 | KLoc.emplace_back(); |
3173 | } |
3174 | } else { |
3175 | assert(Kind == OMPC_if)((Kind == OMPC_if) ? static_cast<void> (0) : __assert_fail ("Kind == OMPC_if", "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 3175, __PRETTY_FUNCTION__)); |
3176 | KLoc.push_back(Tok.getLocation()); |
3177 | TentativeParsingAction TPA(*this); |
3178 | auto DK = parseOpenMPDirectiveKind(*this); |
3179 | Arg.push_back(DK); |
3180 | if (DK != OMPD_unknown) { |
3181 | ConsumeToken(); |
3182 | if (Tok.is(tok::colon) && getLangOpts().OpenMP > 40) { |
3183 | TPA.Commit(); |
3184 | DelimLoc = ConsumeToken(); |
3185 | } else { |
3186 | TPA.Revert(); |
3187 | Arg.back() = unsigned(OMPD_unknown); |
3188 | } |
3189 | } else { |
3190 | TPA.Revert(); |
3191 | } |
3192 | } |
3193 | |
3194 | bool NeedAnExpression = (Kind == OMPC_schedule && DelimLoc.isValid()) || |
3195 | (Kind == OMPC_dist_schedule && DelimLoc.isValid()) || |
3196 | Kind == OMPC_if || Kind == OMPC_device; |
3197 | if (NeedAnExpression) { |
3198 | SourceLocation ELoc = Tok.getLocation(); |
3199 | ExprResult LHS(ParseCastExpression(AnyCastExpr, false, NotTypeCast)); |
3200 | Val = ParseRHSOfBinaryExpression(LHS, prec::Conditional); |
3201 | Val = |
3202 | Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
3203 | } |
3204 | |
3205 | // Parse ')'. |
3206 | SourceLocation RLoc = Tok.getLocation(); |
3207 | if (!T.consumeClose()) |
3208 | RLoc = T.getCloseLocation(); |
3209 | |
3210 | if (NeedAnExpression && Val.isInvalid()) |
3211 | return nullptr; |
3212 | |
3213 | if (ParseOnly) |
3214 | return nullptr; |
3215 | return Actions.ActOnOpenMPSingleExprWithArgClause( |
3216 | Kind, Arg, Val.get(), Loc, T.getOpenLocation(), KLoc, DelimLoc, RLoc); |
3217 | } |
3218 | |
3219 | static bool ParseReductionId(Parser &P, CXXScopeSpec &ReductionIdScopeSpec, |
3220 | UnqualifiedId &ReductionId) { |
3221 | if (ReductionIdScopeSpec.isEmpty()) { |
3222 | auto OOK = OO_None; |
3223 | switch (P.getCurToken().getKind()) { |
3224 | case tok::plus: |
3225 | OOK = OO_Plus; |
3226 | break; |
3227 | case tok::minus: |
3228 | OOK = OO_Minus; |
3229 | break; |
3230 | case tok::star: |
3231 | OOK = OO_Star; |
3232 | break; |
3233 | case tok::amp: |
3234 | OOK = OO_Amp; |
3235 | break; |
3236 | case tok::pipe: |
3237 | OOK = OO_Pipe; |
3238 | break; |
3239 | case tok::caret: |
3240 | OOK = OO_Caret; |
3241 | break; |
3242 | case tok::ampamp: |
3243 | OOK = OO_AmpAmp; |
3244 | break; |
3245 | case tok::pipepipe: |
3246 | OOK = OO_PipePipe; |
3247 | break; |
3248 | default: |
3249 | break; |
3250 | } |
3251 | if (OOK != OO_None) { |
3252 | SourceLocation OpLoc = P.ConsumeToken(); |
3253 | SourceLocation SymbolLocations[] = {OpLoc, OpLoc, SourceLocation()}; |
3254 | ReductionId.setOperatorFunctionId(OpLoc, OOK, SymbolLocations); |
3255 | return false; |
3256 | } |
3257 | } |
3258 | return P.ParseUnqualifiedId( |
3259 | ReductionIdScopeSpec, /*ObjectType=*/nullptr, |
3260 | /*ObjectHadErrors=*/false, /*EnteringContext*/ false, |
3261 | /*AllowDestructorName*/ false, |
3262 | /*AllowConstructorName*/ false, |
3263 | /*AllowDeductionGuide*/ false, nullptr, ReductionId); |
3264 | } |
3265 | |
3266 | /// Checks if the token is a valid map-type-modifier. |
3267 | /// FIXME: It will return an OpenMPMapClauseKind if that's what it parses. |
3268 | static OpenMPMapModifierKind isMapModifier(Parser &P) { |
3269 | Token Tok = P.getCurToken(); |
3270 | if (!Tok.is(tok::identifier)) |
3271 | return OMPC_MAP_MODIFIER_unknown; |
3272 | |
3273 | Preprocessor &PP = P.getPreprocessor(); |
3274 | OpenMPMapModifierKind TypeModifier = |
3275 | static_cast<OpenMPMapModifierKind>(getOpenMPSimpleClauseType( |
3276 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts().OpenMP)); |
3277 | return TypeModifier; |
3278 | } |
3279 | |
3280 | /// Parse the mapper modifier in map, to, and from clauses. |
3281 | bool Parser::parseMapperModifier(OpenMPVarListDataTy &Data) { |
3282 | // Parse '('. |
3283 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::colon); |
3284 | if (T.expectAndConsume(diag::err_expected_lparen_after, "mapper")) { |
3285 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3286 | StopBeforeMatch); |
3287 | return true; |
3288 | } |
3289 | // Parse mapper-identifier |
3290 | if (getLangOpts().CPlusPlus) |
3291 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
3292 | /*ObjectType=*/nullptr, |
3293 | /*ObjectHadErrors=*/false, |
3294 | /*EnteringContext=*/false); |
3295 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
3296 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
3297 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3298 | StopBeforeMatch); |
3299 | return true; |
3300 | } |
3301 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
3302 | Data.ReductionOrMapperId = DeclarationNameInfo( |
3303 | DeclNames.getIdentifier(Tok.getIdentifierInfo()), Tok.getLocation()); |
3304 | ConsumeToken(); |
3305 | // Parse ')'. |
3306 | return T.consumeClose(); |
3307 | } |
3308 | |
3309 | /// Parse map-type-modifiers in map clause. |
3310 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
3311 | /// where, map-type-modifier ::= always | close | mapper(mapper-identifier) | |
3312 | /// present |
3313 | bool Parser::parseMapTypeModifiers(OpenMPVarListDataTy &Data) { |
3314 | while (getCurToken().isNot(tok::colon)) { |
3315 | OpenMPMapModifierKind TypeModifier = isMapModifier(*this); |
3316 | if (TypeModifier == OMPC_MAP_MODIFIER_always || |
3317 | TypeModifier == OMPC_MAP_MODIFIER_close || |
3318 | TypeModifier == OMPC_MAP_MODIFIER_present) { |
3319 | Data.MapTypeModifiers.push_back(TypeModifier); |
3320 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
3321 | ConsumeToken(); |
3322 | } else if (TypeModifier == OMPC_MAP_MODIFIER_mapper) { |
3323 | Data.MapTypeModifiers.push_back(TypeModifier); |
3324 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
3325 | ConsumeToken(); |
3326 | if (parseMapperModifier(Data)) |
3327 | return true; |
3328 | } else { |
3329 | // For the case of unknown map-type-modifier or a map-type. |
3330 | // Map-type is followed by a colon; the function returns when it |
3331 | // encounters a token followed by a colon. |
3332 | if (Tok.is(tok::comma)) { |
3333 | Diag(Tok, diag::err_omp_map_type_modifier_missing); |
3334 | ConsumeToken(); |
3335 | continue; |
3336 | } |
3337 | // Potential map-type token as it is followed by a colon. |
3338 | if (PP.LookAhead(0).is(tok::colon)) |
3339 | return false; |
3340 | Diag(Tok, diag::err_omp_unknown_map_type_modifier) |
3341 | << (getLangOpts().OpenMP >= 51 ? 1 : 0); |
3342 | ConsumeToken(); |
3343 | } |
3344 | if (getCurToken().is(tok::comma)) |
3345 | ConsumeToken(); |
3346 | } |
3347 | return false; |
3348 | } |
3349 | |
3350 | /// Checks if the token is a valid map-type. |
3351 | /// FIXME: It will return an OpenMPMapModifierKind if that's what it parses. |
3352 | static OpenMPMapClauseKind isMapType(Parser &P) { |
3353 | Token Tok = P.getCurToken(); |
3354 | // The map-type token can be either an identifier or the C++ delete keyword. |
3355 | if (!Tok.isOneOf(tok::identifier, tok::kw_delete)) |
3356 | return OMPC_MAP_unknown; |
3357 | Preprocessor &PP = P.getPreprocessor(); |
3358 | OpenMPMapClauseKind MapType = |
3359 | static_cast<OpenMPMapClauseKind>(getOpenMPSimpleClauseType( |
3360 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts().OpenMP)); |
3361 | return MapType; |
3362 | } |
3363 | |
3364 | /// Parse map-type in map clause. |
3365 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
3366 | /// where, map-type ::= to | from | tofrom | alloc | release | delete |
3367 | static void parseMapType(Parser &P, Parser::OpenMPVarListDataTy &Data) { |
3368 | Token Tok = P.getCurToken(); |
3369 | if (Tok.is(tok::colon)) { |
3370 | P.Diag(Tok, diag::err_omp_map_type_missing); |
3371 | return; |
3372 | } |
3373 | Data.ExtraModifier = isMapType(P); |
3374 | if (Data.ExtraModifier == OMPC_MAP_unknown) |
3375 | P.Diag(Tok, diag::err_omp_unknown_map_type); |
3376 | P.ConsumeToken(); |
3377 | } |
3378 | |
3379 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
3380 | /// constructs. |
3381 | ExprResult Parser::ParseOpenMPIteratorsExpr() { |
3382 | assert(Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" &&((Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token.") ? static_cast<void > (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 3383, __PRETTY_FUNCTION__)) |
3383 | "Expected 'iterator' token.")((Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token.") ? static_cast<void > (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 3383, __PRETTY_FUNCTION__)); |
3384 | SourceLocation IteratorKwLoc = ConsumeToken(); |
3385 | |
3386 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3387 | if (T.expectAndConsume(diag::err_expected_lparen_after, "iterator")) |
3388 | return ExprError(); |
3389 | |
3390 | SourceLocation LLoc = T.getOpenLocation(); |
3391 | SmallVector<Sema::OMPIteratorData, 4> Data; |
3392 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
3393 | // Check if the type parsing is required. |
3394 | ParsedType IteratorType; |
3395 | if (Tok.isNot(tok::identifier) || NextToken().isNot(tok::equal)) { |
3396 | // identifier '=' is not found - parse type. |
3397 | TypeResult TR = ParseTypeName(); |
3398 | if (TR.isInvalid()) { |
3399 | T.skipToEnd(); |
3400 | return ExprError(); |
3401 | } |
3402 | IteratorType = TR.get(); |
3403 | } |
3404 | |
3405 | // Parse identifier. |
3406 | IdentifierInfo *II = nullptr; |
3407 | SourceLocation IdLoc; |
3408 | if (Tok.is(tok::identifier)) { |
3409 | II = Tok.getIdentifierInfo(); |
3410 | IdLoc = ConsumeToken(); |
3411 | } else { |
3412 | Diag(Tok, diag::err_expected_unqualified_id) << 0; |
3413 | } |
3414 | |
3415 | // Parse '='. |
3416 | SourceLocation AssignLoc; |
3417 | if (Tok.is(tok::equal)) |
3418 | AssignLoc = ConsumeToken(); |
3419 | else |
3420 | Diag(Tok, diag::err_omp_expected_equal_in_iterator); |
3421 | |
3422 | // Parse range-specification - <begin> ':' <end> [ ':' <step> ] |
3423 | ColonProtectionRAIIObject ColonRAII(*this); |
3424 | // Parse <begin> |
3425 | SourceLocation Loc = Tok.getLocation(); |
3426 | ExprResult LHS = ParseCastExpression(AnyCastExpr); |
3427 | ExprResult Begin = Actions.CorrectDelayedTyposInExpr( |
3428 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3429 | Begin = Actions.ActOnFinishFullExpr(Begin.get(), Loc, |
3430 | /*DiscardedValue=*/false); |
3431 | // Parse ':'. |
3432 | SourceLocation ColonLoc; |
3433 | if (Tok.is(tok::colon)) |
3434 | ColonLoc = ConsumeToken(); |
3435 | |
3436 | // Parse <end> |
3437 | Loc = Tok.getLocation(); |
3438 | LHS = ParseCastExpression(AnyCastExpr); |
3439 | ExprResult End = Actions.CorrectDelayedTyposInExpr( |
3440 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3441 | End = Actions.ActOnFinishFullExpr(End.get(), Loc, |
3442 | /*DiscardedValue=*/false); |
3443 | |
3444 | SourceLocation SecColonLoc; |
3445 | ExprResult Step; |
3446 | // Parse optional step. |
3447 | if (Tok.is(tok::colon)) { |
3448 | // Parse ':' |
3449 | SecColonLoc = ConsumeToken(); |
3450 | // Parse <step> |
3451 | Loc = Tok.getLocation(); |
3452 | LHS = ParseCastExpression(AnyCastExpr); |
3453 | Step = Actions.CorrectDelayedTyposInExpr( |
3454 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3455 | Step = Actions.ActOnFinishFullExpr(Step.get(), Loc, |
3456 | /*DiscardedValue=*/false); |
3457 | } |
3458 | |
3459 | // Parse ',' or ')' |
3460 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
3461 | Diag(Tok, diag::err_omp_expected_punc_after_iterator); |
3462 | if (Tok.is(tok::comma)) |
3463 | ConsumeToken(); |
3464 | |
3465 | Sema::OMPIteratorData &D = Data.emplace_back(); |
3466 | D.DeclIdent = II; |
3467 | D.DeclIdentLoc = IdLoc; |
3468 | D.Type = IteratorType; |
3469 | D.AssignLoc = AssignLoc; |
3470 | D.ColonLoc = ColonLoc; |
3471 | D.SecColonLoc = SecColonLoc; |
3472 | D.Range.Begin = Begin.get(); |
3473 | D.Range.End = End.get(); |
3474 | D.Range.Step = Step.get(); |
3475 | } |
3476 | |
3477 | // Parse ')'. |
3478 | SourceLocation RLoc = Tok.getLocation(); |
3479 | if (!T.consumeClose()) |
3480 | RLoc = T.getCloseLocation(); |
3481 | |
3482 | return Actions.ActOnOMPIteratorExpr(getCurScope(), IteratorKwLoc, LLoc, RLoc, |
3483 | Data); |
3484 | } |
3485 | |
3486 | /// Parses clauses with list. |
3487 | bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind, |
3488 | OpenMPClauseKind Kind, |
3489 | SmallVectorImpl<Expr *> &Vars, |
3490 | OpenMPVarListDataTy &Data) { |
3491 | UnqualifiedId UnqualifiedReductionId; |
3492 | bool InvalidReductionId = false; |
3493 | bool IsInvalidMapperModifier = false; |
3494 | |
3495 | // Parse '('. |
3496 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3497 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3498 | getOpenMPClauseName(Kind).data())) |
3499 | return true; |
3500 | |
3501 | bool HasIterator = false; |
3502 | bool NeedRParenForLinear = false; |
3503 | BalancedDelimiterTracker LinearT(*this, tok::l_paren, |
3504 | tok::annot_pragma_openmp_end); |
3505 | // Handle reduction-identifier for reduction clause. |
3506 | if (Kind == OMPC_reduction || Kind == OMPC_task_reduction || |
3507 | Kind == OMPC_in_reduction) { |
3508 | Data.ExtraModifier = OMPC_REDUCTION_unknown; |
3509 | if (Kind == OMPC_reduction && getLangOpts().OpenMP >= 50 && |
3510 | (Tok.is(tok::identifier) || Tok.is(tok::kw_default)) && |
3511 | NextToken().is(tok::comma)) { |
3512 | // Parse optional reduction modifier. |
3513 | Data.ExtraModifier = getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), |
3514 | getLangOpts().OpenMP); |
3515 | Data.ExtraModifierLoc = Tok.getLocation(); |
3516 | ConsumeToken(); |
3517 | assert(Tok.is(tok::comma) && "Expected comma.")((Tok.is(tok::comma) && "Expected comma.") ? static_cast <void> (0) : __assert_fail ("Tok.is(tok::comma) && \"Expected comma.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 3517, __PRETTY_FUNCTION__)); |
3518 | (void)ConsumeToken(); |
3519 | } |
3520 | ColonProtectionRAIIObject ColonRAII(*this); |
3521 | if (getLangOpts().CPlusPlus) |
3522 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
3523 | /*ObjectType=*/nullptr, |
3524 | /*ObjectHadErrors=*/false, |
3525 | /*EnteringContext=*/false); |
3526 | InvalidReductionId = ParseReductionId( |
3527 | *this, Data.ReductionOrMapperIdScopeSpec, UnqualifiedReductionId); |
3528 | if (InvalidReductionId) { |
3529 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3530 | StopBeforeMatch); |
3531 | } |
3532 | if (Tok.is(tok::colon)) |
3533 | Data.ColonLoc = ConsumeToken(); |
3534 | else |
3535 | Diag(Tok, diag::warn_pragma_expected_colon) << "reduction identifier"; |
3536 | if (!InvalidReductionId) |
3537 | Data.ReductionOrMapperId = |
3538 | Actions.GetNameFromUnqualifiedId(UnqualifiedReductionId); |
3539 | } else if (Kind == OMPC_depend) { |
3540 | if (getLangOpts().OpenMP >= 50) { |
3541 | if (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator") { |
3542 | // Handle optional dependence modifier. |
3543 | // iterator(iterators-definition) |
3544 | // where iterators-definition is iterator-specifier [, |
3545 | // iterators-definition ] |
3546 | // where iterator-specifier is [ iterator-type ] identifier = |
3547 | // range-specification |
3548 | HasIterator = true; |
3549 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
3550 | ExprResult IteratorRes = ParseOpenMPIteratorsExpr(); |
3551 | Data.DepModOrTailExpr = IteratorRes.get(); |
3552 | // Parse ',' |
3553 | ExpectAndConsume(tok::comma); |
3554 | } |
3555 | } |
3556 | // Handle dependency type for depend clause. |
3557 | ColonProtectionRAIIObject ColonRAII(*this); |
3558 | Data.ExtraModifier = getOpenMPSimpleClauseType( |
3559 | Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "", |
3560 | getLangOpts().OpenMP); |
3561 | Data.ExtraModifierLoc = Tok.getLocation(); |
3562 | if (Data.ExtraModifier == OMPC_DEPEND_unknown) { |
3563 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3564 | StopBeforeMatch); |
3565 | } else { |
3566 | ConsumeToken(); |
3567 | // Special processing for depend(source) clause. |
3568 | if (DKind == OMPD_ordered && Data.ExtraModifier == OMPC_DEPEND_source) { |
3569 | // Parse ')'. |
3570 | T.consumeClose(); |
3571 | return false; |
3572 | } |
3573 | } |
3574 | if (Tok.is(tok::colon)) { |
3575 | Data.ColonLoc = ConsumeToken(); |
3576 | } else { |
3577 | Diag(Tok, DKind == OMPD_ordered ? diag::warn_pragma_expected_colon_r_paren |
3578 | : diag::warn_pragma_expected_colon) |
3579 | << "dependency type"; |
3580 | } |
3581 | } else if (Kind == OMPC_linear) { |
3582 | // Try to parse modifier if any. |
3583 | Data.ExtraModifier = OMPC_LINEAR_val; |
3584 | if (Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::l_paren)) { |
3585 | Data.ExtraModifier = getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), |
3586 | getLangOpts().OpenMP); |
3587 | Data.ExtraModifierLoc = ConsumeToken(); |
3588 | LinearT.consumeOpen(); |
3589 | NeedRParenForLinear = true; |
3590 | } |
3591 | } else if (Kind == OMPC_lastprivate) { |
3592 | // Try to parse modifier if any. |
3593 | Data.ExtraModifier = OMPC_LASTPRIVATE_unknown; |
3594 | // Conditional modifier allowed only in OpenMP 5.0 and not supported in |
3595 | // distribute and taskloop based directives. |
3596 | if ((getLangOpts().OpenMP >= 50 && !isOpenMPDistributeDirective(DKind) && |
3597 | !isOpenMPTaskLoopDirective(DKind)) && |
3598 | Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::colon)) { |
3599 | Data.ExtraModifier = getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), |
3600 | getLangOpts().OpenMP); |
3601 | Data.ExtraModifierLoc = Tok.getLocation(); |
3602 | ConsumeToken(); |
3603 | assert(Tok.is(tok::colon) && "Expected colon.")((Tok.is(tok::colon) && "Expected colon.") ? static_cast <void> (0) : __assert_fail ("Tok.is(tok::colon) && \"Expected colon.\"" , "/build/llvm-toolchain-snapshot-13~++20210216111115+df22133a8a40/clang/lib/Parse/ParseOpenMP.cpp" , 3603, __PRETTY_FUNCTION__)); |
3604 | Data.ColonLoc = ConsumeToken(); |
3605 | } |
3606 | } else if (Kind == OMPC_map) { |
3607 | // Handle map type for map clause. |
3608 | ColonProtectionRAIIObject ColonRAII(*this); |
3609 | |
3610 | // The first identifier may be a list item, a map-type or a |
3611 | // map-type-modifier. The map-type can also be delete which has the same |
3612 | // spelling of the C++ delete keyword. |
3613 | Data.ExtraModifier = OMPC_MAP_unknown; |
3614 | Data.ExtraModifierLoc = Tok.getLocation(); |
3615 | |
3616 | // Check for presence of a colon in the map clause. |
3617 | TentativeParsingAction TPA(*this); |
3618 | bool ColonPresent = false; |
3619 | if (SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3620 | StopBeforeMatch)) { |
3621 | if (Tok.is(tok::colon)) |
3622 | ColonPresent = true; |
3623 | } |
3624 | TPA.Revert(); |
3625 | // Only parse map-type-modifier[s] and map-type if a colon is present in |
3626 | // the map clause. |
3627 | if (ColonPresent) { |
3628 | IsInvalidMapperModifier = parseMapTypeModifiers(Data); |
3629 | if (!IsInvalidMapperModifier) |
3630 | parseMapType(*this, Data); |
3631 | else |
3632 | SkipUntil(tok::colon, tok::annot_pragma_openmp_end, StopBeforeMatch); |
3633 | } |
3634 | if (Data.ExtraModifier == OMPC_MAP_unknown) { |
3635 | Data.ExtraModifier = OMPC_MAP_tofrom; |
3636 | Data.IsMapTypeImplicit = true; |
3637 | } |
3638 | |
3639 | if (Tok.is(tok::colon)) |
3640 | Data.ColonLoc = ConsumeToken(); |
3641 | } else if (Kind == OMPC_to || Kind == OMPC_from) { |
3642 | while (Tok.is(tok::identifier)) { |
3643 | auto Modifier = |
3644 | static_cast<OpenMPMotionModifierKind>(getOpenMPSimpleClauseType( |
3645 | Kind, PP.getSpelling(Tok), getLangOpts().OpenMP)); |
3646 | if (Modifier == OMPC_MOTION_MODIFIER_unknown) |
3647 | break; |
3648 | Data.MotionModifiers.push_back(Modifier); |
3649 | Data.MotionModifiersLoc.push_back(Tok.getLocation()); |
3650 | ConsumeToken(); |
3651 | if (Modifier == OMPC_MOTION_MODIFIER_mapper) { |
3652 | IsInvalidMapperModifier = parseMapperModifier(Data); |
3653 | if (IsInvalidMapperModifier) |
3654 | break; |
3655 | } |
3656 | // OpenMP < 5.1 doesn't permit a ',' or additional modifiers. |
3657 | if (getLangOpts().OpenMP < 51) |
3658 | break; |
3659 | // OpenMP 5.1 accepts an optional ',' even if the next character is ':'. |
3660 | // TODO: Is that intentional? |
3661 | if (Tok.is(tok::comma)) |
3662 | ConsumeToken(); |
3663 | } |
3664 | if (!Data.MotionModifiers.empty() && Tok.isNot(tok::colon)) { |
3665 | if (!IsInvalidMapperModifier) { |
3666 | if (getLangOpts().OpenMP < 51) |
3667 | Diag(Tok, diag::warn_pragma_expected_colon) << ")"; |
3668 | else |
3669 | Diag(Tok, diag::warn_pragma_expected_colon) << "motion modifier"; |
3670 | } |
3671 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
3672 | StopBeforeMatch); |
3673 | } |
3674 | // OpenMP 5.1 permits a ':' even without a preceding modifier. TODO: Is |
3675 | // that intentional? |
3676 | if ((!Data.MotionModifiers.empty() || getLangOpts().OpenMP >= 51) && |
3677 | Tok.is(tok::colon)) |
3678 | Data.ColonLoc = ConsumeToken(); |
3679 | } else if (Kind == OMPC_allocate || |
3680 | (Kind == OMPC_affinity && Tok.is(tok::identifier) && |
3681 | PP.getSpelling(Tok) == "iterator")) { |
3682 | // Handle optional allocator expression followed by colon delimiter. |
3683 | ColonProtectionRAIIObject ColonRAII(*this); |
3684 | TentativeParsingAction TPA(*this); |
3685 | // OpenMP 5.0, 2.10.1, task Construct. |
3686 | // where aff-modifier is one of the following: |
3687 | // iterator(iterators-definition) |
3688 | ExprResult Tail; |
3689 | if (Kind == OMPC_allocate) { |
3690 | Tail = ParseAssignmentExpression(); |
3691 | } else { |
3692 | HasIterator = true; |
3693 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
3694 | Tail = ParseOpenMPIteratorsExpr(); |
3695 | } |
3696 | Tail = Actions.CorrectDelayedTyposInExpr(Tail); |
3697 | Tail = Actions.ActOnFinishFullExpr(Tail.get(), T.getOpenLocation(), |
3698 | /*DiscardedValue=*/false); |
3699 | if (Tail.isUsable()) { |
3700 | if (Tok.is(tok::colon)) { |
3701 | Data.DepModOrTailExpr = Tail.get(); |
3702 | Data.ColonLoc = ConsumeToken(); |
3703 | TPA.Commit(); |
3704 | } else { |
3705 | // Colon not found, parse only list of variables. |
3706 | TPA.Revert(); |
3707 | } |
3708 | } else { |
3709 | // Parsing was unsuccessfull, revert and skip to the end of clause or |
3710 | // directive. |
3711 | TPA.Revert(); |
3712 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3713 | StopBeforeMatch); |
3714 | } |
3715 | } |
3716 | |
3717 | bool IsComma = |
3718 | (Kind != OMPC_reduction && Kind != OMPC_task_reduction && |
3719 | Kind != OMPC_in_reduction && Kind != OMPC_depend && Kind != OMPC_map) || |
3720 | (Kind == OMPC_reduction && !InvalidReductionId) || |
3721 | (Kind == OMPC_map && Data.ExtraModifier != OMPC_MAP_unknown) || |
3722 | (Kind == OMPC_depend && Data.ExtraModifier != OMPC_DEPEND_unknown); |
3723 | const bool MayHaveTail = (Kind == OMPC_linear || Kind == OMPC_aligned); |
3724 | while (IsComma || (Tok.isNot(tok::r_paren) && Tok.isNot(tok::colon) && |
3725 | Tok.isNot(tok::annot_pragma_openmp_end))) { |
3726 | ParseScope OMPListScope(this, Scope::OpenMPDirectiveScope); |
3727 | ColonProtectionRAIIObject ColonRAII(*this, MayHaveTail); |
3728 | // Parse variable |
3729 | ExprResult VarExpr = |
3730 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
3731 | if (VarExpr.isUsable()) { |
3732 | Vars.push_back(VarExpr.get()); |
3733 | } else { |
3734 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3735 | StopBeforeMatch); |
3736 | } |
3737 | // Skip ',' if any |
3738 | IsComma = Tok.is(tok::comma); |
3739 | if (IsComma) |
3740 | ConsumeToken(); |
3741 | else if (Tok.isNot(tok::r_paren) && |
3742 | Tok.isNot(tok::annot_pragma_openmp_end) && |
3743 | (!MayHaveTail || Tok.isNot(tok::colon))) |
3744 | Diag(Tok, diag::err_omp_expected_punc) |
3745 | << ((Kind == OMPC_flush) ? getOpenMPDirectiveName(OMPD_flush) |
3746 | : getOpenMPClauseName(Kind)) |
3747 | << (Kind == OMPC_flush); |
3748 | } |
3749 | |
3750 | // Parse ')' for linear clause with modifier. |
3751 | if (NeedRParenForLinear) |
3752 | LinearT.consumeClose(); |
3753 | |
3754 | // Parse ':' linear-step (or ':' alignment). |
3755 | const bool MustHaveTail = MayHaveTail && Tok.is(tok::colon); |
3756 | if (MustHaveTail) { |
3757 | Data.ColonLoc = Tok.getLocation(); |
3758 | SourceLocation ELoc = ConsumeToken(); |
3759 | ExprResult Tail = ParseAssignmentExpression(); |
3760 | Tail = |
3761 | Actions.ActOnFinishFullExpr(Tail.get(), ELoc, /*DiscardedValue*/ false); |
3762 | if (Tail.isUsable()) |
3763 | Data.DepModOrTailExpr = Tail.get(); |
3764 | else |
3765 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3766 | StopBeforeMatch); |
3767 | } |
3768 | |
3769 | // Parse ')'. |
3770 | Data.RLoc = Tok.getLocation(); |
3771 | if (!T.consumeClose()) |
3772 | Data.RLoc = T.getCloseLocation(); |
3773 | // Exit from scope when the iterator is used in depend clause. |
3774 | if (HasIterator) |
3775 | ExitScope(); |
3776 | return (Kind != OMPC_depend && Kind != OMPC_map && Vars.empty()) || |
3777 | (MustHaveTail && !Data.DepModOrTailExpr) || InvalidReductionId || |
3778 | IsInvalidMapperModifier; |
3779 | } |
3780 | |
3781 | /// Parsing of OpenMP clause 'private', 'firstprivate', 'lastprivate', |
3782 | /// 'shared', 'copyin', 'copyprivate', 'flush', 'reduction', 'task_reduction', |
3783 | /// 'in_reduction', 'nontemporal', 'exclusive' or 'inclusive'. |
3784 | /// |
3785 | /// private-clause: |
3786 | /// 'private' '(' list ')' |
3787 | /// firstprivate-clause: |
3788 | /// 'firstprivate' '(' list ')' |
3789 | /// lastprivate-clause: |
3790 | /// 'lastprivate' '(' list ')' |
3791 | /// shared-clause: |
3792 | /// 'shared' '(' list ')' |
3793 | /// linear-clause: |
3794 | /// 'linear' '(' linear-list [ ':' linear-step ] ')' |
3795 | /// aligned-clause: |
3796 | /// 'aligned' '(' list [ ':' alignment ] ')' |
3797 | /// reduction-clause: |
3798 | /// 'reduction' '(' [ modifier ',' ] reduction-identifier ':' list ')' |
3799 | /// task_reduction-clause: |
3800 | /// 'task_reduction' '(' reduction-identifier ':' list ')' |
3801 | /// in_reduction-clause: |
3802 | /// 'in_reduction' '(' reduction-identifier ':' list ')' |
3803 | /// copyprivate-clause: |
3804 | /// 'copyprivate' '(' list ')' |
3805 | /// flush-clause: |
3806 | /// 'flush' '(' list ')' |
3807 | /// depend-clause: |
3808 | /// 'depend' '(' in | out | inout : list | source ')' |
3809 | /// map-clause: |
3810 | /// 'map' '(' [ [ always [,] ] [ close [,] ] |
3811 | /// [ mapper '(' mapper-identifier ')' [,] ] |
3812 | /// to | from | tofrom | alloc | release | delete ':' ] list ')'; |
3813 | /// to-clause: |
3814 | /// 'to' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
3815 | /// from-clause: |
3816 | /// 'from' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
3817 | /// use_device_ptr-clause: |
3818 | /// 'use_device_ptr' '(' list ')' |
3819 | /// use_device_addr-clause: |
3820 | /// 'use_device_addr' '(' list ')' |
3821 | /// is_device_ptr-clause: |
3822 | /// 'is_device_ptr' '(' list ')' |
3823 | /// allocate-clause: |
3824 | /// 'allocate' '(' [ allocator ':' ] list ')' |
3825 | /// nontemporal-clause: |
3826 | /// 'nontemporal' '(' list ')' |
3827 | /// inclusive-clause: |
3828 | /// 'inclusive' '(' list ')' |
3829 | /// exclusive-clause: |
3830 | /// 'exclusive' '(' list ')' |
3831 | /// |
3832 | /// For 'linear' clause linear-list may have the following forms: |
3833 | /// list |
3834 | /// modifier(list) |
3835 | /// where modifier is 'val' (C) or 'ref', 'val' or 'uval'(C++). |
3836 | OMPClause *Parser::ParseOpenMPVarListClause(OpenMPDirectiveKind DKind, |
3837 | OpenMPClauseKind Kind, |
3838 | bool ParseOnly) { |
3839 | SourceLocation Loc = Tok.getLocation(); |
3840 | SourceLocation LOpen = ConsumeToken(); |
3841 | SmallVector<Expr *, 4> Vars; |
3842 | OpenMPVarListDataTy Data; |
3843 | |
3844 | if (ParseOpenMPVarList(DKind, Kind, Vars, Data)) |
3845 | return nullptr; |
3846 | |
3847 | if (ParseOnly) |
3848 | return nullptr; |
3849 | OMPVarListLocTy Locs(Loc, LOpen, Data.RLoc); |
3850 | return Actions.ActOnOpenMPVarListClause( |
3851 | Kind, Vars, Data.DepModOrTailExpr, Locs, Data.ColonLoc, |
3852 | Data.ReductionOrMapperIdScopeSpec, Data.ReductionOrMapperId, |
3853 | Data.ExtraModifier, Data.MapTypeModifiers, Data.MapTypeModifiersLoc, |
3854 | Data.IsMapTypeImplicit, Data.ExtraModifierLoc, Data.MotionModifiers, |
3855 | Data.MotionModifiersLoc); |
3856 | } |