File: | build/source/clang/lib/Parse/ParseOpenMP.cpp |
Warning: | line 2908, column 7 Value stored to 'HasImplicitClause' is never read |
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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/EnterExpressionEvaluationContext.h" |
23 | #include "clang/Sema/Scope.h" |
24 | #include "llvm/ADT/PointerIntPair.h" |
25 | #include "llvm/ADT/StringSwitch.h" |
26 | #include "llvm/ADT/UniqueVector.h" |
27 | #include "llvm/Frontend/OpenMP/OMPAssume.h" |
28 | #include "llvm/Frontend/OpenMP/OMPContext.h" |
29 | #include <optional> |
30 | |
31 | using namespace clang; |
32 | using namespace llvm::omp; |
33 | |
34 | //===----------------------------------------------------------------------===// |
35 | // OpenMP declarative directives. |
36 | //===----------------------------------------------------------------------===// |
37 | |
38 | namespace { |
39 | enum OpenMPDirectiveKindEx { |
40 | OMPD_cancellation = llvm::omp::Directive_enumSize + 1, |
41 | OMPD_data, |
42 | OMPD_declare, |
43 | OMPD_end, |
44 | OMPD_end_declare, |
45 | OMPD_enter, |
46 | OMPD_exit, |
47 | OMPD_point, |
48 | OMPD_reduction, |
49 | OMPD_target_enter, |
50 | OMPD_target_exit, |
51 | OMPD_update, |
52 | OMPD_distribute_parallel, |
53 | OMPD_teams_distribute_parallel, |
54 | OMPD_target_teams_distribute_parallel, |
55 | OMPD_mapper, |
56 | OMPD_variant, |
57 | OMPD_begin, |
58 | OMPD_begin_declare, |
59 | }; |
60 | |
61 | // Helper to unify the enum class OpenMPDirectiveKind with its extension |
62 | // the OpenMPDirectiveKindEx enum which allows to use them together as if they |
63 | // are unsigned values. |
64 | struct OpenMPDirectiveKindExWrapper { |
65 | OpenMPDirectiveKindExWrapper(unsigned Value) : Value(Value) {} |
66 | OpenMPDirectiveKindExWrapper(OpenMPDirectiveKind DK) : Value(unsigned(DK)) {} |
67 | bool operator==(OpenMPDirectiveKindExWrapper V) const { |
68 | return Value == V.Value; |
69 | } |
70 | bool operator!=(OpenMPDirectiveKindExWrapper V) const { |
71 | return Value != V.Value; |
72 | } |
73 | bool operator==(OpenMPDirectiveKind V) const { return Value == unsigned(V); } |
74 | bool operator!=(OpenMPDirectiveKind V) const { return Value != unsigned(V); } |
75 | bool operator<(OpenMPDirectiveKind V) const { return Value < unsigned(V); } |
76 | operator unsigned() const { return Value; } |
77 | operator OpenMPDirectiveKind() const { return OpenMPDirectiveKind(Value); } |
78 | unsigned Value; |
79 | }; |
80 | |
81 | class DeclDirectiveListParserHelper final { |
82 | SmallVector<Expr *, 4> Identifiers; |
83 | Parser *P; |
84 | OpenMPDirectiveKind Kind; |
85 | |
86 | public: |
87 | DeclDirectiveListParserHelper(Parser *P, OpenMPDirectiveKind Kind) |
88 | : P(P), Kind(Kind) {} |
89 | void operator()(CXXScopeSpec &SS, DeclarationNameInfo NameInfo) { |
90 | ExprResult Res = P->getActions().ActOnOpenMPIdExpression( |
91 | P->getCurScope(), SS, NameInfo, Kind); |
92 | if (Res.isUsable()) |
93 | Identifiers.push_back(Res.get()); |
94 | } |
95 | llvm::ArrayRef<Expr *> getIdentifiers() const { return Identifiers; } |
96 | }; |
97 | } // namespace |
98 | |
99 | // Map token string to extended OMP token kind that are |
100 | // OpenMPDirectiveKind + OpenMPDirectiveKindEx. |
101 | static unsigned getOpenMPDirectiveKindEx(StringRef S) { |
102 | OpenMPDirectiveKindExWrapper DKind = getOpenMPDirectiveKind(S); |
103 | if (DKind != OMPD_unknown) |
104 | return DKind; |
105 | |
106 | return llvm::StringSwitch<OpenMPDirectiveKindExWrapper>(S) |
107 | .Case("cancellation", OMPD_cancellation) |
108 | .Case("data", OMPD_data) |
109 | .Case("declare", OMPD_declare) |
110 | .Case("end", OMPD_end) |
111 | .Case("enter", OMPD_enter) |
112 | .Case("exit", OMPD_exit) |
113 | .Case("point", OMPD_point) |
114 | .Case("reduction", OMPD_reduction) |
115 | .Case("update", OMPD_update) |
116 | .Case("mapper", OMPD_mapper) |
117 | .Case("variant", OMPD_variant) |
118 | .Case("begin", OMPD_begin) |
119 | .Default(OMPD_unknown); |
120 | } |
121 | |
122 | static OpenMPDirectiveKindExWrapper parseOpenMPDirectiveKind(Parser &P) { |
123 | // Array of foldings: F[i][0] F[i][1] ===> F[i][2]. |
124 | // E.g.: OMPD_for OMPD_simd ===> OMPD_for_simd |
125 | // TODO: add other combined directives in topological order. |
126 | static const OpenMPDirectiveKindExWrapper F[][3] = { |
127 | {OMPD_begin, OMPD_declare, OMPD_begin_declare}, |
128 | {OMPD_begin, OMPD_assumes, OMPD_begin_assumes}, |
129 | {OMPD_end, OMPD_declare, OMPD_end_declare}, |
130 | {OMPD_end, OMPD_assumes, OMPD_end_assumes}, |
131 | {OMPD_cancellation, OMPD_point, OMPD_cancellation_point}, |
132 | {OMPD_declare, OMPD_reduction, OMPD_declare_reduction}, |
133 | {OMPD_declare, OMPD_mapper, OMPD_declare_mapper}, |
134 | {OMPD_declare, OMPD_simd, OMPD_declare_simd}, |
135 | {OMPD_declare, OMPD_target, OMPD_declare_target}, |
136 | {OMPD_declare, OMPD_variant, OMPD_declare_variant}, |
137 | {OMPD_begin_declare, OMPD_target, OMPD_begin_declare_target}, |
138 | {OMPD_begin_declare, OMPD_variant, OMPD_begin_declare_variant}, |
139 | {OMPD_end_declare, OMPD_variant, OMPD_end_declare_variant}, |
140 | {OMPD_distribute, OMPD_parallel, OMPD_distribute_parallel}, |
141 | {OMPD_distribute_parallel, OMPD_for, OMPD_distribute_parallel_for}, |
142 | {OMPD_distribute_parallel_for, OMPD_simd, |
143 | OMPD_distribute_parallel_for_simd}, |
144 | {OMPD_distribute, OMPD_simd, OMPD_distribute_simd}, |
145 | {OMPD_end_declare, OMPD_target, OMPD_end_declare_target}, |
146 | {OMPD_target, OMPD_data, OMPD_target_data}, |
147 | {OMPD_target, OMPD_enter, OMPD_target_enter}, |
148 | {OMPD_target, OMPD_exit, OMPD_target_exit}, |
149 | {OMPD_target, OMPD_update, OMPD_target_update}, |
150 | {OMPD_target_enter, OMPD_data, OMPD_target_enter_data}, |
151 | {OMPD_target_exit, OMPD_data, OMPD_target_exit_data}, |
152 | {OMPD_for, OMPD_simd, OMPD_for_simd}, |
153 | {OMPD_parallel, OMPD_for, OMPD_parallel_for}, |
154 | {OMPD_parallel_for, OMPD_simd, OMPD_parallel_for_simd}, |
155 | {OMPD_parallel, OMPD_loop, OMPD_parallel_loop}, |
156 | {OMPD_parallel, OMPD_sections, OMPD_parallel_sections}, |
157 | {OMPD_taskloop, OMPD_simd, OMPD_taskloop_simd}, |
158 | {OMPD_target, OMPD_parallel, OMPD_target_parallel}, |
159 | {OMPD_target, OMPD_simd, OMPD_target_simd}, |
160 | {OMPD_target_parallel, OMPD_loop, OMPD_target_parallel_loop}, |
161 | {OMPD_target_parallel, OMPD_for, OMPD_target_parallel_for}, |
162 | {OMPD_target_parallel_for, OMPD_simd, OMPD_target_parallel_for_simd}, |
163 | {OMPD_teams, OMPD_distribute, OMPD_teams_distribute}, |
164 | {OMPD_teams_distribute, OMPD_simd, OMPD_teams_distribute_simd}, |
165 | {OMPD_teams_distribute, OMPD_parallel, OMPD_teams_distribute_parallel}, |
166 | {OMPD_teams_distribute_parallel, OMPD_for, |
167 | OMPD_teams_distribute_parallel_for}, |
168 | {OMPD_teams_distribute_parallel_for, OMPD_simd, |
169 | OMPD_teams_distribute_parallel_for_simd}, |
170 | {OMPD_teams, OMPD_loop, OMPD_teams_loop}, |
171 | {OMPD_target, OMPD_teams, OMPD_target_teams}, |
172 | {OMPD_target_teams, OMPD_distribute, OMPD_target_teams_distribute}, |
173 | {OMPD_target_teams, OMPD_loop, OMPD_target_teams_loop}, |
174 | {OMPD_target_teams_distribute, OMPD_parallel, |
175 | OMPD_target_teams_distribute_parallel}, |
176 | {OMPD_target_teams_distribute, OMPD_simd, |
177 | OMPD_target_teams_distribute_simd}, |
178 | {OMPD_target_teams_distribute_parallel, OMPD_for, |
179 | OMPD_target_teams_distribute_parallel_for}, |
180 | {OMPD_target_teams_distribute_parallel_for, OMPD_simd, |
181 | OMPD_target_teams_distribute_parallel_for_simd}, |
182 | {OMPD_master, OMPD_taskloop, OMPD_master_taskloop}, |
183 | {OMPD_masked, OMPD_taskloop, OMPD_masked_taskloop}, |
184 | {OMPD_master_taskloop, OMPD_simd, OMPD_master_taskloop_simd}, |
185 | {OMPD_masked_taskloop, OMPD_simd, OMPD_masked_taskloop_simd}, |
186 | {OMPD_parallel, OMPD_master, OMPD_parallel_master}, |
187 | {OMPD_parallel, OMPD_masked, OMPD_parallel_masked}, |
188 | {OMPD_parallel_master, OMPD_taskloop, OMPD_parallel_master_taskloop}, |
189 | {OMPD_parallel_masked, OMPD_taskloop, OMPD_parallel_masked_taskloop}, |
190 | {OMPD_parallel_master_taskloop, OMPD_simd, |
191 | OMPD_parallel_master_taskloop_simd}, |
192 | {OMPD_parallel_masked_taskloop, OMPD_simd, |
193 | OMPD_parallel_masked_taskloop_simd}}; |
194 | enum { CancellationPoint = 0, DeclareReduction = 1, TargetData = 2 }; |
195 | Token Tok = P.getCurToken(); |
196 | OpenMPDirectiveKindExWrapper DKind = |
197 | Tok.isAnnotation() |
198 | ? static_cast<unsigned>(OMPD_unknown) |
199 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
200 | if (DKind == OMPD_unknown) |
201 | return OMPD_unknown; |
202 | |
203 | for (const auto &I : F) { |
204 | if (DKind != I[0]) |
205 | continue; |
206 | |
207 | Tok = P.getPreprocessor().LookAhead(0); |
208 | OpenMPDirectiveKindExWrapper SDKind = |
209 | Tok.isAnnotation() |
210 | ? static_cast<unsigned>(OMPD_unknown) |
211 | : getOpenMPDirectiveKindEx(P.getPreprocessor().getSpelling(Tok)); |
212 | if (SDKind == OMPD_unknown) |
213 | continue; |
214 | |
215 | if (SDKind == I[1]) { |
216 | P.ConsumeToken(); |
217 | DKind = I[2]; |
218 | } |
219 | } |
220 | return unsigned(DKind) < llvm::omp::Directive_enumSize |
221 | ? static_cast<OpenMPDirectiveKind>(DKind) |
222 | : OMPD_unknown; |
223 | } |
224 | |
225 | static DeclarationName parseOpenMPReductionId(Parser &P) { |
226 | Token Tok = P.getCurToken(); |
227 | Sema &Actions = P.getActions(); |
228 | OverloadedOperatorKind OOK = OO_None; |
229 | // Allow to use 'operator' keyword for C++ operators |
230 | bool WithOperator = false; |
231 | if (Tok.is(tok::kw_operator)) { |
232 | P.ConsumeToken(); |
233 | Tok = P.getCurToken(); |
234 | WithOperator = true; |
235 | } |
236 | switch (Tok.getKind()) { |
237 | case tok::plus: // '+' |
238 | OOK = OO_Plus; |
239 | break; |
240 | case tok::minus: // '-' |
241 | OOK = OO_Minus; |
242 | break; |
243 | case tok::star: // '*' |
244 | OOK = OO_Star; |
245 | break; |
246 | case tok::amp: // '&' |
247 | OOK = OO_Amp; |
248 | break; |
249 | case tok::pipe: // '|' |
250 | OOK = OO_Pipe; |
251 | break; |
252 | case tok::caret: // '^' |
253 | OOK = OO_Caret; |
254 | break; |
255 | case tok::ampamp: // '&&' |
256 | OOK = OO_AmpAmp; |
257 | break; |
258 | case tok::pipepipe: // '||' |
259 | OOK = OO_PipePipe; |
260 | break; |
261 | case tok::identifier: // identifier |
262 | if (!WithOperator) |
263 | break; |
264 | [[fallthrough]]; |
265 | default: |
266 | P.Diag(Tok.getLocation(), diag::err_omp_expected_reduction_identifier); |
267 | P.SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
268 | Parser::StopBeforeMatch); |
269 | return DeclarationName(); |
270 | } |
271 | P.ConsumeToken(); |
272 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
273 | return OOK == OO_None ? DeclNames.getIdentifier(Tok.getIdentifierInfo()) |
274 | : DeclNames.getCXXOperatorName(OOK); |
275 | } |
276 | |
277 | /// Parse 'omp declare reduction' construct. |
278 | /// |
279 | /// declare-reduction-directive: |
280 | /// annot_pragma_openmp 'declare' 'reduction' |
281 | /// '(' <reduction_id> ':' <type> {',' <type>} ':' <expression> ')' |
282 | /// ['initializer' '(' ('omp_priv' '=' <expression>)|<function_call> ')'] |
283 | /// annot_pragma_openmp_end |
284 | /// <reduction_id> is either a base language identifier or one of the following |
285 | /// operators: '+', '-', '*', '&', '|', '^', '&&' and '||'. |
286 | /// |
287 | Parser::DeclGroupPtrTy |
288 | Parser::ParseOpenMPDeclareReductionDirective(AccessSpecifier AS) { |
289 | // Parse '('. |
290 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
291 | if (T.expectAndConsume( |
292 | diag::err_expected_lparen_after, |
293 | getOpenMPDirectiveName(OMPD_declare_reduction).data())) { |
294 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
295 | return DeclGroupPtrTy(); |
296 | } |
297 | |
298 | DeclarationName Name = parseOpenMPReductionId(*this); |
299 | if (Name.isEmpty() && Tok.is(tok::annot_pragma_openmp_end)) |
300 | return DeclGroupPtrTy(); |
301 | |
302 | // Consume ':'. |
303 | bool IsCorrect = !ExpectAndConsume(tok::colon); |
304 | |
305 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
306 | return DeclGroupPtrTy(); |
307 | |
308 | IsCorrect = IsCorrect && !Name.isEmpty(); |
309 | |
310 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) { |
311 | Diag(Tok.getLocation(), diag::err_expected_type); |
312 | IsCorrect = false; |
313 | } |
314 | |
315 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
316 | return DeclGroupPtrTy(); |
317 | |
318 | SmallVector<std::pair<QualType, SourceLocation>, 8> ReductionTypes; |
319 | // Parse list of types until ':' token. |
320 | do { |
321 | ColonProtectionRAIIObject ColonRAII(*this); |
322 | SourceRange Range; |
323 | TypeResult TR = ParseTypeName(&Range, DeclaratorContext::Prototype, AS); |
324 | if (TR.isUsable()) { |
325 | QualType ReductionType = |
326 | Actions.ActOnOpenMPDeclareReductionType(Range.getBegin(), TR); |
327 | if (!ReductionType.isNull()) { |
328 | ReductionTypes.push_back( |
329 | std::make_pair(ReductionType, Range.getBegin())); |
330 | } |
331 | } else { |
332 | SkipUntil(tok::comma, tok::colon, tok::annot_pragma_openmp_end, |
333 | StopBeforeMatch); |
334 | } |
335 | |
336 | if (Tok.is(tok::colon) || Tok.is(tok::annot_pragma_openmp_end)) |
337 | break; |
338 | |
339 | // Consume ','. |
340 | if (ExpectAndConsume(tok::comma)) { |
341 | IsCorrect = false; |
342 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
343 | Diag(Tok.getLocation(), diag::err_expected_type); |
344 | return DeclGroupPtrTy(); |
345 | } |
346 | } |
347 | } while (Tok.isNot(tok::annot_pragma_openmp_end)); |
348 | |
349 | if (ReductionTypes.empty()) { |
350 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
351 | return DeclGroupPtrTy(); |
352 | } |
353 | |
354 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
355 | return DeclGroupPtrTy(); |
356 | |
357 | // Consume ':'. |
358 | if (ExpectAndConsume(tok::colon)) |
359 | IsCorrect = false; |
360 | |
361 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
362 | Diag(Tok.getLocation(), diag::err_expected_expression); |
363 | return DeclGroupPtrTy(); |
364 | } |
365 | |
366 | DeclGroupPtrTy DRD = Actions.ActOnOpenMPDeclareReductionDirectiveStart( |
367 | getCurScope(), Actions.getCurLexicalContext(), Name, ReductionTypes, AS); |
368 | |
369 | // Parse <combiner> expression and then parse initializer if any for each |
370 | // correct type. |
371 | unsigned I = 0, E = ReductionTypes.size(); |
372 | for (Decl *D : DRD.get()) { |
373 | TentativeParsingAction TPA(*this); |
374 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
375 | Scope::CompoundStmtScope | |
376 | Scope::OpenMPDirectiveScope); |
377 | // Parse <combiner> expression. |
378 | Actions.ActOnOpenMPDeclareReductionCombinerStart(getCurScope(), D); |
379 | ExprResult CombinerResult = Actions.ActOnFinishFullExpr( |
380 | ParseExpression().get(), D->getLocation(), /*DiscardedValue*/ false); |
381 | Actions.ActOnOpenMPDeclareReductionCombinerEnd(D, CombinerResult.get()); |
382 | |
383 | if (CombinerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
384 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
385 | TPA.Commit(); |
386 | IsCorrect = false; |
387 | break; |
388 | } |
389 | IsCorrect = !T.consumeClose() && IsCorrect && CombinerResult.isUsable(); |
390 | ExprResult InitializerResult; |
391 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
392 | // Parse <initializer> expression. |
393 | if (Tok.is(tok::identifier) && |
394 | Tok.getIdentifierInfo()->isStr("initializer")) { |
395 | ConsumeToken(); |
396 | } else { |
397 | Diag(Tok.getLocation(), diag::err_expected) << "'initializer'"; |
398 | TPA.Commit(); |
399 | IsCorrect = false; |
400 | break; |
401 | } |
402 | // Parse '('. |
403 | BalancedDelimiterTracker T(*this, tok::l_paren, |
404 | tok::annot_pragma_openmp_end); |
405 | IsCorrect = |
406 | !T.expectAndConsume(diag::err_expected_lparen_after, "initializer") && |
407 | IsCorrect; |
408 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
409 | ParseScope OMPDRScope(this, Scope::FnScope | Scope::DeclScope | |
410 | Scope::CompoundStmtScope | |
411 | Scope::OpenMPDirectiveScope); |
412 | // Parse expression. |
413 | VarDecl *OmpPrivParm = |
414 | Actions.ActOnOpenMPDeclareReductionInitializerStart(getCurScope(), |
415 | D); |
416 | // Check if initializer is omp_priv <init_expr> or something else. |
417 | if (Tok.is(tok::identifier) && |
418 | Tok.getIdentifierInfo()->isStr("omp_priv")) { |
419 | ConsumeToken(); |
420 | ParseOpenMPReductionInitializerForDecl(OmpPrivParm); |
421 | } else { |
422 | InitializerResult = Actions.ActOnFinishFullExpr( |
423 | ParseAssignmentExpression().get(), D->getLocation(), |
424 | /*DiscardedValue*/ false); |
425 | } |
426 | Actions.ActOnOpenMPDeclareReductionInitializerEnd( |
427 | D, InitializerResult.get(), OmpPrivParm); |
428 | if (InitializerResult.isInvalid() && Tok.isNot(tok::r_paren) && |
429 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
430 | TPA.Commit(); |
431 | IsCorrect = false; |
432 | break; |
433 | } |
434 | IsCorrect = |
435 | !T.consumeClose() && IsCorrect && !InitializerResult.isInvalid(); |
436 | } |
437 | } |
438 | |
439 | ++I; |
440 | // Revert parsing if not the last type, otherwise accept it, we're done with |
441 | // parsing. |
442 | if (I != E) |
443 | TPA.Revert(); |
444 | else |
445 | TPA.Commit(); |
446 | } |
447 | return Actions.ActOnOpenMPDeclareReductionDirectiveEnd(getCurScope(), DRD, |
448 | IsCorrect); |
449 | } |
450 | |
451 | void Parser::ParseOpenMPReductionInitializerForDecl(VarDecl *OmpPrivParm) { |
452 | // Parse declarator '=' initializer. |
453 | // If a '==' or '+=' is found, suggest a fixit to '='. |
454 | if (isTokenEqualOrEqualTypo()) { |
455 | ConsumeToken(); |
456 | |
457 | if (Tok.is(tok::code_completion)) { |
458 | cutOffParsing(); |
459 | Actions.CodeCompleteInitializer(getCurScope(), OmpPrivParm); |
460 | Actions.FinalizeDeclaration(OmpPrivParm); |
461 | return; |
462 | } |
463 | |
464 | PreferredType.enterVariableInit(Tok.getLocation(), OmpPrivParm); |
465 | ExprResult Init = ParseInitializer(); |
466 | |
467 | if (Init.isInvalid()) { |
468 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
469 | Actions.ActOnInitializerError(OmpPrivParm); |
470 | } else { |
471 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
472 | /*DirectInit=*/false); |
473 | } |
474 | } else if (Tok.is(tok::l_paren)) { |
475 | // Parse C++ direct initializer: '(' expression-list ')' |
476 | BalancedDelimiterTracker T(*this, tok::l_paren); |
477 | T.consumeOpen(); |
478 | |
479 | ExprVector Exprs; |
480 | |
481 | SourceLocation LParLoc = T.getOpenLocation(); |
482 | auto RunSignatureHelp = [this, OmpPrivParm, LParLoc, &Exprs]() { |
483 | QualType PreferredType = Actions.ProduceConstructorSignatureHelp( |
484 | OmpPrivParm->getType()->getCanonicalTypeInternal(), |
485 | OmpPrivParm->getLocation(), Exprs, LParLoc, /*Braced=*/false); |
486 | CalledSignatureHelp = true; |
487 | return PreferredType; |
488 | }; |
489 | if (ParseExpressionList(Exprs, [&] { |
490 | PreferredType.enterFunctionArgument(Tok.getLocation(), |
491 | RunSignatureHelp); |
492 | })) { |
493 | if (PP.isCodeCompletionReached() && !CalledSignatureHelp) |
494 | RunSignatureHelp(); |
495 | Actions.ActOnInitializerError(OmpPrivParm); |
496 | SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch); |
497 | } else { |
498 | // Match the ')'. |
499 | SourceLocation RLoc = Tok.getLocation(); |
500 | if (!T.consumeClose()) |
501 | RLoc = T.getCloseLocation(); |
502 | |
503 | ExprResult Initializer = |
504 | Actions.ActOnParenListExpr(T.getOpenLocation(), RLoc, Exprs); |
505 | Actions.AddInitializerToDecl(OmpPrivParm, Initializer.get(), |
506 | /*DirectInit=*/true); |
507 | } |
508 | } else if (getLangOpts().CPlusPlus11 && Tok.is(tok::l_brace)) { |
509 | // Parse C++0x braced-init-list. |
510 | Diag(Tok, diag::warn_cxx98_compat_generalized_initializer_lists); |
511 | |
512 | ExprResult Init(ParseBraceInitializer()); |
513 | |
514 | if (Init.isInvalid()) { |
515 | Actions.ActOnInitializerError(OmpPrivParm); |
516 | } else { |
517 | Actions.AddInitializerToDecl(OmpPrivParm, Init.get(), |
518 | /*DirectInit=*/true); |
519 | } |
520 | } else { |
521 | Actions.ActOnUninitializedDecl(OmpPrivParm); |
522 | } |
523 | } |
524 | |
525 | /// Parses 'omp declare mapper' directive. |
526 | /// |
527 | /// declare-mapper-directive: |
528 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifier> ':'] |
529 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
530 | /// annot_pragma_openmp_end |
531 | /// <mapper-identifier> and <var> are base language identifiers. |
532 | /// |
533 | Parser::DeclGroupPtrTy |
534 | Parser::ParseOpenMPDeclareMapperDirective(AccessSpecifier AS) { |
535 | bool IsCorrect = true; |
536 | // Parse '(' |
537 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
538 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
539 | getOpenMPDirectiveName(OMPD_declare_mapper).data())) { |
540 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
541 | return DeclGroupPtrTy(); |
542 | } |
543 | |
544 | // Parse <mapper-identifier> |
545 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
546 | DeclarationName MapperId; |
547 | if (PP.LookAhead(0).is(tok::colon)) { |
548 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
549 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
550 | IsCorrect = false; |
551 | } else { |
552 | MapperId = DeclNames.getIdentifier(Tok.getIdentifierInfo()); |
553 | } |
554 | ConsumeToken(); |
555 | // Consume ':'. |
556 | ExpectAndConsume(tok::colon); |
557 | } else { |
558 | // If no mapper identifier is provided, its name is "default" by default |
559 | MapperId = |
560 | DeclNames.getIdentifier(&Actions.getASTContext().Idents.get("default")); |
561 | } |
562 | |
563 | if (!IsCorrect && Tok.is(tok::annot_pragma_openmp_end)) |
564 | return DeclGroupPtrTy(); |
565 | |
566 | // Parse <type> <var> |
567 | DeclarationName VName; |
568 | QualType MapperType; |
569 | SourceRange Range; |
570 | TypeResult ParsedType = parseOpenMPDeclareMapperVarDecl(Range, VName, AS); |
571 | if (ParsedType.isUsable()) |
572 | MapperType = |
573 | Actions.ActOnOpenMPDeclareMapperType(Range.getBegin(), ParsedType); |
574 | if (MapperType.isNull()) |
575 | IsCorrect = false; |
576 | if (!IsCorrect) { |
577 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
578 | return DeclGroupPtrTy(); |
579 | } |
580 | |
581 | // Consume ')'. |
582 | IsCorrect &= !T.consumeClose(); |
583 | if (!IsCorrect) { |
584 | SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch); |
585 | return DeclGroupPtrTy(); |
586 | } |
587 | |
588 | // Enter scope. |
589 | DeclarationNameInfo DirName; |
590 | SourceLocation Loc = Tok.getLocation(); |
591 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
592 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
593 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
594 | Actions.StartOpenMPDSABlock(OMPD_declare_mapper, DirName, getCurScope(), Loc); |
595 | |
596 | // Add the mapper variable declaration. |
597 | ExprResult MapperVarRef = Actions.ActOnOpenMPDeclareMapperDirectiveVarDecl( |
598 | getCurScope(), MapperType, Range.getBegin(), VName); |
599 | |
600 | // Parse map clauses. |
601 | SmallVector<OMPClause *, 6> Clauses; |
602 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
603 | OpenMPClauseKind CKind = Tok.isAnnotation() |
604 | ? OMPC_unknown |
605 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
606 | Actions.StartOpenMPClause(CKind); |
607 | OMPClause *Clause = |
608 | ParseOpenMPClause(OMPD_declare_mapper, CKind, Clauses.empty()); |
609 | if (Clause) |
610 | Clauses.push_back(Clause); |
611 | else |
612 | IsCorrect = false; |
613 | // Skip ',' if any. |
614 | if (Tok.is(tok::comma)) |
615 | ConsumeToken(); |
616 | Actions.EndOpenMPClause(); |
617 | } |
618 | if (Clauses.empty()) { |
619 | Diag(Tok, diag::err_omp_expected_clause) |
620 | << getOpenMPDirectiveName(OMPD_declare_mapper); |
621 | IsCorrect = false; |
622 | } |
623 | |
624 | // Exit scope. |
625 | Actions.EndOpenMPDSABlock(nullptr); |
626 | OMPDirectiveScope.Exit(); |
627 | DeclGroupPtrTy DG = Actions.ActOnOpenMPDeclareMapperDirective( |
628 | getCurScope(), Actions.getCurLexicalContext(), MapperId, MapperType, |
629 | Range.getBegin(), VName, AS, MapperVarRef.get(), Clauses); |
630 | if (!IsCorrect) |
631 | return DeclGroupPtrTy(); |
632 | |
633 | return DG; |
634 | } |
635 | |
636 | TypeResult Parser::parseOpenMPDeclareMapperVarDecl(SourceRange &Range, |
637 | DeclarationName &Name, |
638 | AccessSpecifier AS) { |
639 | // Parse the common declaration-specifiers piece. |
640 | Parser::DeclSpecContext DSC = Parser::DeclSpecContext::DSC_type_specifier; |
641 | DeclSpec DS(AttrFactory); |
642 | ParseSpecifierQualifierList(DS, AS, DSC); |
643 | |
644 | // Parse the declarator. |
645 | DeclaratorContext Context = DeclaratorContext::Prototype; |
646 | Declarator DeclaratorInfo(DS, ParsedAttributesView::none(), Context); |
647 | ParseDeclarator(DeclaratorInfo); |
648 | Range = DeclaratorInfo.getSourceRange(); |
649 | if (DeclaratorInfo.getIdentifier() == nullptr) { |
650 | Diag(Tok.getLocation(), diag::err_omp_mapper_expected_declarator); |
651 | return true; |
652 | } |
653 | Name = Actions.GetNameForDeclarator(DeclaratorInfo).getName(); |
654 | |
655 | return Actions.ActOnOpenMPDeclareMapperVarDecl(getCurScope(), DeclaratorInfo); |
656 | } |
657 | |
658 | namespace { |
659 | /// RAII that recreates function context for correct parsing of clauses of |
660 | /// 'declare simd' construct. |
661 | /// OpenMP, 2.8.2 declare simd Construct |
662 | /// The expressions appearing in the clauses of this directive are evaluated in |
663 | /// the scope of the arguments of the function declaration or definition. |
664 | class FNContextRAII final { |
665 | Parser &P; |
666 | Sema::CXXThisScopeRAII *ThisScope; |
667 | Parser::MultiParseScope Scopes; |
668 | bool HasFunScope = false; |
669 | FNContextRAII() = delete; |
670 | FNContextRAII(const FNContextRAII &) = delete; |
671 | FNContextRAII &operator=(const FNContextRAII &) = delete; |
672 | |
673 | public: |
674 | FNContextRAII(Parser &P, Parser::DeclGroupPtrTy Ptr) : P(P), Scopes(P) { |
675 | Decl *D = *Ptr.get().begin(); |
676 | NamedDecl *ND = dyn_cast<NamedDecl>(D); |
677 | RecordDecl *RD = dyn_cast_or_null<RecordDecl>(D->getDeclContext()); |
678 | Sema &Actions = P.getActions(); |
679 | |
680 | // Allow 'this' within late-parsed attributes. |
681 | ThisScope = new Sema::CXXThisScopeRAII(Actions, RD, Qualifiers(), |
682 | ND && ND->isCXXInstanceMember()); |
683 | |
684 | // If the Decl is templatized, add template parameters to scope. |
685 | // FIXME: Track CurTemplateDepth? |
686 | P.ReenterTemplateScopes(Scopes, D); |
687 | |
688 | // If the Decl is on a function, add function parameters to the scope. |
689 | if (D->isFunctionOrFunctionTemplate()) { |
690 | HasFunScope = true; |
691 | Scopes.Enter(Scope::FnScope | Scope::DeclScope | |
692 | Scope::CompoundStmtScope); |
693 | Actions.ActOnReenterFunctionContext(Actions.getCurScope(), D); |
694 | } |
695 | } |
696 | ~FNContextRAII() { |
697 | if (HasFunScope) |
698 | P.getActions().ActOnExitFunctionContext(); |
699 | delete ThisScope; |
700 | } |
701 | }; |
702 | } // namespace |
703 | |
704 | /// Parses clauses for 'declare simd' directive. |
705 | /// clause: |
706 | /// 'inbranch' | 'notinbranch' |
707 | /// 'simdlen' '(' <expr> ')' |
708 | /// { 'uniform' '(' <argument_list> ')' } |
709 | /// { 'aligned '(' <argument_list> [ ':' <alignment> ] ')' } |
710 | /// { 'linear '(' <argument_list> [ ':' <step> ] ')' } |
711 | static bool parseDeclareSimdClauses( |
712 | Parser &P, OMPDeclareSimdDeclAttr::BranchStateTy &BS, ExprResult &SimdLen, |
713 | SmallVectorImpl<Expr *> &Uniforms, SmallVectorImpl<Expr *> &Aligneds, |
714 | SmallVectorImpl<Expr *> &Alignments, SmallVectorImpl<Expr *> &Linears, |
715 | SmallVectorImpl<unsigned> &LinModifiers, SmallVectorImpl<Expr *> &Steps) { |
716 | SourceRange BSRange; |
717 | const Token &Tok = P.getCurToken(); |
718 | bool IsError = false; |
719 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
720 | if (Tok.isNot(tok::identifier)) |
721 | break; |
722 | OMPDeclareSimdDeclAttr::BranchStateTy Out; |
723 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
724 | StringRef ClauseName = II->getName(); |
725 | // Parse 'inranch|notinbranch' clauses. |
726 | if (OMPDeclareSimdDeclAttr::ConvertStrToBranchStateTy(ClauseName, Out)) { |
727 | if (BS != OMPDeclareSimdDeclAttr::BS_Undefined && BS != Out) { |
728 | P.Diag(Tok, diag::err_omp_declare_simd_inbranch_notinbranch) |
729 | << ClauseName |
730 | << OMPDeclareSimdDeclAttr::ConvertBranchStateTyToStr(BS) << BSRange; |
731 | IsError = true; |
732 | } |
733 | BS = Out; |
734 | BSRange = SourceRange(Tok.getLocation(), Tok.getEndLoc()); |
735 | P.ConsumeToken(); |
736 | } else if (ClauseName.equals("simdlen")) { |
737 | if (SimdLen.isUsable()) { |
738 | P.Diag(Tok, diag::err_omp_more_one_clause) |
739 | << getOpenMPDirectiveName(OMPD_declare_simd) << ClauseName << 0; |
740 | IsError = true; |
741 | } |
742 | P.ConsumeToken(); |
743 | SourceLocation RLoc; |
744 | SimdLen = P.ParseOpenMPParensExpr(ClauseName, RLoc); |
745 | if (SimdLen.isInvalid()) |
746 | IsError = true; |
747 | } else { |
748 | OpenMPClauseKind CKind = getOpenMPClauseKind(ClauseName); |
749 | if (CKind == OMPC_uniform || CKind == OMPC_aligned || |
750 | CKind == OMPC_linear) { |
751 | Sema::OpenMPVarListDataTy Data; |
752 | SmallVectorImpl<Expr *> *Vars = &Uniforms; |
753 | if (CKind == OMPC_aligned) { |
754 | Vars = &Aligneds; |
755 | } else if (CKind == OMPC_linear) { |
756 | Data.ExtraModifier = OMPC_LINEAR_val; |
757 | Vars = &Linears; |
758 | } |
759 | |
760 | P.ConsumeToken(); |
761 | if (P.ParseOpenMPVarList(OMPD_declare_simd, |
762 | getOpenMPClauseKind(ClauseName), *Vars, Data)) |
763 | IsError = true; |
764 | if (CKind == OMPC_aligned) { |
765 | Alignments.append(Aligneds.size() - Alignments.size(), |
766 | Data.DepModOrTailExpr); |
767 | } else if (CKind == OMPC_linear) { |
768 | assert(0 <= Data.ExtraModifier &&(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 770, __extension__ __PRETTY_FUNCTION__ )) |
769 | Data.ExtraModifier <= OMPC_LINEAR_unknown &&(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 770, __extension__ __PRETTY_FUNCTION__ )) |
770 | "Unexpected linear modifier.")(static_cast <bool> (0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && "Unexpected linear modifier." ) ? void (0) : __assert_fail ("0 <= Data.ExtraModifier && Data.ExtraModifier <= OMPC_LINEAR_unknown && \"Unexpected linear modifier.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 770, __extension__ __PRETTY_FUNCTION__ )); |
771 | if (P.getActions().CheckOpenMPLinearModifier( |
772 | static_cast<OpenMPLinearClauseKind>(Data.ExtraModifier), |
773 | Data.ExtraModifierLoc)) |
774 | Data.ExtraModifier = OMPC_LINEAR_val; |
775 | LinModifiers.append(Linears.size() - LinModifiers.size(), |
776 | Data.ExtraModifier); |
777 | Steps.append(Linears.size() - Steps.size(), Data.DepModOrTailExpr); |
778 | } |
779 | } else |
780 | // TODO: add parsing of other clauses. |
781 | break; |
782 | } |
783 | // Skip ',' if any. |
784 | if (Tok.is(tok::comma)) |
785 | P.ConsumeToken(); |
786 | } |
787 | return IsError; |
788 | } |
789 | |
790 | /// Parse clauses for '#pragma omp declare simd'. |
791 | Parser::DeclGroupPtrTy |
792 | Parser::ParseOMPDeclareSimdClauses(Parser::DeclGroupPtrTy Ptr, |
793 | CachedTokens &Toks, SourceLocation Loc) { |
794 | PP.EnterToken(Tok, /*IsReinject*/ true); |
795 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
796 | /*IsReinject*/ true); |
797 | // Consume the previously pushed token. |
798 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
799 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
800 | |
801 | FNContextRAII FnContext(*this, Ptr); |
802 | OMPDeclareSimdDeclAttr::BranchStateTy BS = |
803 | OMPDeclareSimdDeclAttr::BS_Undefined; |
804 | ExprResult Simdlen; |
805 | SmallVector<Expr *, 4> Uniforms; |
806 | SmallVector<Expr *, 4> Aligneds; |
807 | SmallVector<Expr *, 4> Alignments; |
808 | SmallVector<Expr *, 4> Linears; |
809 | SmallVector<unsigned, 4> LinModifiers; |
810 | SmallVector<Expr *, 4> Steps; |
811 | bool IsError = |
812 | parseDeclareSimdClauses(*this, BS, Simdlen, Uniforms, Aligneds, |
813 | Alignments, Linears, LinModifiers, Steps); |
814 | skipUntilPragmaOpenMPEnd(OMPD_declare_simd); |
815 | // Skip the last annot_pragma_openmp_end. |
816 | SourceLocation EndLoc = ConsumeAnnotationToken(); |
817 | if (IsError) |
818 | return Ptr; |
819 | return Actions.ActOnOpenMPDeclareSimdDirective( |
820 | Ptr, BS, Simdlen.get(), Uniforms, Aligneds, Alignments, Linears, |
821 | LinModifiers, Steps, SourceRange(Loc, EndLoc)); |
822 | } |
823 | |
824 | namespace { |
825 | /// Constant used in the diagnostics to distinguish the levels in an OpenMP |
826 | /// contexts: selector-set={selector(trait, ...), ...}, .... |
827 | enum OMPContextLvl { |
828 | CONTEXT_SELECTOR_SET_LVL = 0, |
829 | CONTEXT_SELECTOR_LVL = 1, |
830 | CONTEXT_TRAIT_LVL = 2, |
831 | }; |
832 | |
833 | static StringRef stringLiteralParser(Parser &P) { |
834 | ExprResult Res = P.ParseStringLiteralExpression(true); |
835 | return Res.isUsable() ? Res.getAs<StringLiteral>()->getString() : ""; |
836 | } |
837 | |
838 | static StringRef getNameFromIdOrString(Parser &P, Token &Tok, |
839 | OMPContextLvl Lvl) { |
840 | if (Tok.is(tok::identifier) || Tok.is(tok::kw_for)) { |
841 | llvm::SmallString<16> Buffer; |
842 | StringRef Name = P.getPreprocessor().getSpelling(Tok, Buffer); |
843 | (void)P.ConsumeToken(); |
844 | return Name; |
845 | } |
846 | |
847 | if (tok::isStringLiteral(Tok.getKind())) |
848 | return stringLiteralParser(P); |
849 | |
850 | P.Diag(Tok.getLocation(), |
851 | diag::warn_omp_declare_variant_string_literal_or_identifier) |
852 | << Lvl; |
853 | return ""; |
854 | } |
855 | |
856 | static bool checkForDuplicates(Parser &P, StringRef Name, |
857 | SourceLocation NameLoc, |
858 | llvm::StringMap<SourceLocation> &Seen, |
859 | OMPContextLvl Lvl) { |
860 | auto Res = Seen.try_emplace(Name, NameLoc); |
861 | if (Res.second) |
862 | return false; |
863 | |
864 | // Each trait-set-selector-name, trait-selector-name and trait-name can |
865 | // only be specified once. |
866 | P.Diag(NameLoc, diag::warn_omp_declare_variant_ctx_mutiple_use) |
867 | << Lvl << Name; |
868 | P.Diag(Res.first->getValue(), diag::note_omp_declare_variant_ctx_used_here) |
869 | << Lvl << Name; |
870 | return true; |
871 | } |
872 | } // namespace |
873 | |
874 | void Parser::parseOMPTraitPropertyKind(OMPTraitProperty &TIProperty, |
875 | llvm::omp::TraitSet Set, |
876 | llvm::omp::TraitSelector Selector, |
877 | llvm::StringMap<SourceLocation> &Seen) { |
878 | TIProperty.Kind = TraitProperty::invalid; |
879 | |
880 | SourceLocation NameLoc = Tok.getLocation(); |
881 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_TRAIT_LVL); |
882 | if (Name.empty()) { |
883 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
884 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
885 | return; |
886 | } |
887 | |
888 | TIProperty.RawString = Name; |
889 | TIProperty.Kind = getOpenMPContextTraitPropertyKind(Set, Selector, Name); |
890 | if (TIProperty.Kind != TraitProperty::invalid) { |
891 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_TRAIT_LVL)) |
892 | TIProperty.Kind = TraitProperty::invalid; |
893 | return; |
894 | } |
895 | |
896 | // It follows diagnosis and helping notes. |
897 | // FIXME: We should move the diagnosis string generation into libFrontend. |
898 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_property) |
899 | << Name << getOpenMPContextTraitSelectorName(Selector) |
900 | << getOpenMPContextTraitSetName(Set); |
901 | |
902 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
903 | if (SetForName != TraitSet::invalid) { |
904 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
905 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_TRAIT_LVL; |
906 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
907 | << Name << "<selector-name>" |
908 | << "(<property-name>)"; |
909 | return; |
910 | } |
911 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
912 | if (SelectorForName != TraitSelector::invalid) { |
913 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
914 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_TRAIT_LVL; |
915 | bool AllowsTraitScore = false; |
916 | bool RequiresProperty = false; |
917 | isValidTraitSelectorForTraitSet( |
918 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
919 | AllowsTraitScore, RequiresProperty); |
920 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
921 | << getOpenMPContextTraitSetName( |
922 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
923 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
924 | return; |
925 | } |
926 | for (const auto &PotentialSet : |
927 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
928 | TraitSet::device}) { |
929 | TraitProperty PropertyForName = |
930 | getOpenMPContextTraitPropertyKind(PotentialSet, Selector, Name); |
931 | if (PropertyForName == TraitProperty::invalid) |
932 | continue; |
933 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
934 | << getOpenMPContextTraitSetName( |
935 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
936 | << getOpenMPContextTraitSelectorName( |
937 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
938 | << ("(" + Name + ")").str(); |
939 | return; |
940 | } |
941 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
942 | << CONTEXT_TRAIT_LVL << listOpenMPContextTraitProperties(Set, Selector); |
943 | } |
944 | |
945 | static bool checkExtensionProperty(Parser &P, SourceLocation Loc, |
946 | OMPTraitProperty &TIProperty, |
947 | OMPTraitSelector &TISelector, |
948 | llvm::StringMap<SourceLocation> &Seen) { |
949 | assert(TISelector.Kind ==(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 952, __extension__ __PRETTY_FUNCTION__ )) |
950 | llvm::omp::TraitSelector::implementation_extension &&(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 952, __extension__ __PRETTY_FUNCTION__ )) |
951 | "Only for extension properties, e.g., "(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 952, __extension__ __PRETTY_FUNCTION__ )) |
952 | "`implementation={extension(PROPERTY)}`")(static_cast <bool> (TISelector.Kind == llvm::omp::TraitSelector ::implementation_extension && "Only for extension properties, e.g., " "`implementation={extension(PROPERTY)}`") ? void (0) : __assert_fail ("TISelector.Kind == llvm::omp::TraitSelector::implementation_extension && \"Only for extension properties, e.g., \" \"`implementation={extension(PROPERTY)}`\"" , "clang/lib/Parse/ParseOpenMP.cpp", 952, __extension__ __PRETTY_FUNCTION__ )); |
953 | if (TIProperty.Kind == TraitProperty::invalid) |
954 | return false; |
955 | |
956 | if (TIProperty.Kind == |
957 | TraitProperty::implementation_extension_disable_implicit_base) |
958 | return true; |
959 | |
960 | if (TIProperty.Kind == |
961 | TraitProperty::implementation_extension_allow_templates) |
962 | return true; |
963 | |
964 | if (TIProperty.Kind == |
965 | TraitProperty::implementation_extension_bind_to_declaration) |
966 | return true; |
967 | |
968 | auto IsMatchExtension = [](OMPTraitProperty &TP) { |
969 | return (TP.Kind == |
970 | llvm::omp::TraitProperty::implementation_extension_match_all || |
971 | TP.Kind == |
972 | llvm::omp::TraitProperty::implementation_extension_match_any || |
973 | TP.Kind == |
974 | llvm::omp::TraitProperty::implementation_extension_match_none); |
975 | }; |
976 | |
977 | if (IsMatchExtension(TIProperty)) { |
978 | for (OMPTraitProperty &SeenProp : TISelector.Properties) |
979 | if (IsMatchExtension(SeenProp)) { |
980 | P.Diag(Loc, diag::err_omp_variant_ctx_second_match_extension); |
981 | StringRef SeenName = llvm::omp::getOpenMPContextTraitPropertyName( |
982 | SeenProp.Kind, SeenProp.RawString); |
983 | SourceLocation SeenLoc = Seen[SeenName]; |
984 | P.Diag(SeenLoc, diag::note_omp_declare_variant_ctx_used_here) |
985 | << CONTEXT_TRAIT_LVL << SeenName; |
986 | return false; |
987 | } |
988 | return true; |
989 | } |
990 | |
991 | llvm_unreachable("Unknown extension property!")::llvm::llvm_unreachable_internal("Unknown extension property!" , "clang/lib/Parse/ParseOpenMP.cpp", 991); |
992 | } |
993 | |
994 | void Parser::parseOMPContextProperty(OMPTraitSelector &TISelector, |
995 | llvm::omp::TraitSet Set, |
996 | llvm::StringMap<SourceLocation> &Seen) { |
997 | assert(TISelector.Kind != TraitSelector::user_condition &&(static_cast <bool> (TISelector.Kind != TraitSelector:: user_condition && "User conditions are special properties not handled here!" ) ? void (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 998, __extension__ __PRETTY_FUNCTION__ )) |
998 | "User conditions are special properties not handled here!")(static_cast <bool> (TISelector.Kind != TraitSelector:: user_condition && "User conditions are special properties not handled here!" ) ? void (0) : __assert_fail ("TISelector.Kind != TraitSelector::user_condition && \"User conditions are special properties not handled here!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 998, __extension__ __PRETTY_FUNCTION__ )); |
999 | |
1000 | SourceLocation PropertyLoc = Tok.getLocation(); |
1001 | OMPTraitProperty TIProperty; |
1002 | parseOMPTraitPropertyKind(TIProperty, Set, TISelector.Kind, Seen); |
1003 | |
1004 | if (TISelector.Kind == llvm::omp::TraitSelector::implementation_extension) |
1005 | if (!checkExtensionProperty(*this, Tok.getLocation(), TIProperty, |
1006 | TISelector, Seen)) |
1007 | TIProperty.Kind = TraitProperty::invalid; |
1008 | |
1009 | // If we have an invalid property here we already issued a warning. |
1010 | if (TIProperty.Kind == TraitProperty::invalid) { |
1011 | if (PropertyLoc != Tok.getLocation()) |
1012 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1013 | << CONTEXT_TRAIT_LVL; |
1014 | return; |
1015 | } |
1016 | |
1017 | if (isValidTraitPropertyForTraitSetAndSelector(TIProperty.Kind, |
1018 | TISelector.Kind, Set)) { |
1019 | |
1020 | // If we make it here the property, selector, set, score, condition, ... are |
1021 | // all valid (or have been corrected). Thus we can record the property. |
1022 | TISelector.Properties.push_back(TIProperty); |
1023 | return; |
1024 | } |
1025 | |
1026 | Diag(PropertyLoc, diag::warn_omp_ctx_incompatible_property_for_selector) |
1027 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1028 | TIProperty.RawString) |
1029 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1030 | << getOpenMPContextTraitSetName(Set); |
1031 | Diag(PropertyLoc, diag::note_omp_ctx_compatible_set_and_selector_for_property) |
1032 | << getOpenMPContextTraitPropertyName(TIProperty.Kind, |
1033 | TIProperty.RawString) |
1034 | << getOpenMPContextTraitSelectorName( |
1035 | getOpenMPContextTraitSelectorForProperty(TIProperty.Kind)) |
1036 | << getOpenMPContextTraitSetName( |
1037 | getOpenMPContextTraitSetForProperty(TIProperty.Kind)); |
1038 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1039 | << CONTEXT_TRAIT_LVL; |
1040 | } |
1041 | |
1042 | void Parser::parseOMPTraitSelectorKind(OMPTraitSelector &TISelector, |
1043 | llvm::omp::TraitSet Set, |
1044 | llvm::StringMap<SourceLocation> &Seen) { |
1045 | TISelector.Kind = TraitSelector::invalid; |
1046 | |
1047 | SourceLocation NameLoc = Tok.getLocation(); |
1048 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_LVL); |
1049 | if (Name.empty()) { |
1050 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1051 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1052 | return; |
1053 | } |
1054 | |
1055 | TISelector.Kind = getOpenMPContextTraitSelectorKind(Name); |
1056 | if (TISelector.Kind != TraitSelector::invalid) { |
1057 | if (checkForDuplicates(*this, Name, NameLoc, Seen, CONTEXT_SELECTOR_LVL)) |
1058 | TISelector.Kind = TraitSelector::invalid; |
1059 | return; |
1060 | } |
1061 | |
1062 | // It follows diagnosis and helping notes. |
1063 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_selector) |
1064 | << Name << getOpenMPContextTraitSetName(Set); |
1065 | |
1066 | TraitSet SetForName = getOpenMPContextTraitSetKind(Name); |
1067 | if (SetForName != TraitSet::invalid) { |
1068 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1069 | << Name << CONTEXT_SELECTOR_SET_LVL << CONTEXT_SELECTOR_LVL; |
1070 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1071 | << Name << "<selector-name>" |
1072 | << "<property-name>"; |
1073 | return; |
1074 | } |
1075 | for (const auto &PotentialSet : |
1076 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1077 | TraitSet::device}) { |
1078 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1079 | PotentialSet, TraitSelector::invalid, Name); |
1080 | if (PropertyForName == TraitProperty::invalid) |
1081 | continue; |
1082 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1083 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_LVL; |
1084 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1085 | << getOpenMPContextTraitSetName( |
1086 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1087 | << getOpenMPContextTraitSelectorName( |
1088 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1089 | << ("(" + Name + ")").str(); |
1090 | return; |
1091 | } |
1092 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1093 | << CONTEXT_SELECTOR_LVL << listOpenMPContextTraitSelectors(Set); |
1094 | } |
1095 | |
1096 | /// Parse optional 'score' '(' <expr> ')' ':'. |
1097 | static ExprResult parseContextScore(Parser &P) { |
1098 | ExprResult ScoreExpr; |
1099 | llvm::SmallString<16> Buffer; |
1100 | StringRef SelectorName = |
1101 | P.getPreprocessor().getSpelling(P.getCurToken(), Buffer); |
1102 | if (!SelectorName.equals("score")) |
1103 | return ScoreExpr; |
1104 | (void)P.ConsumeToken(); |
1105 | SourceLocation RLoc; |
1106 | ScoreExpr = P.ParseOpenMPParensExpr(SelectorName, RLoc); |
1107 | // Parse ':' |
1108 | if (P.getCurToken().is(tok::colon)) |
1109 | (void)P.ConsumeAnyToken(); |
1110 | else |
1111 | P.Diag(P.getCurToken(), diag::warn_omp_declare_variant_expected) |
1112 | << "':'" |
1113 | << "score expression"; |
1114 | return ScoreExpr; |
1115 | } |
1116 | |
1117 | /// Parses an OpenMP context selector. |
1118 | /// |
1119 | /// <trait-selector-name> ['('[<trait-score>] <trait-property> [, <t-p>]* ')'] |
1120 | void Parser::parseOMPContextSelector( |
1121 | OMPTraitSelector &TISelector, llvm::omp::TraitSet Set, |
1122 | llvm::StringMap<SourceLocation> &SeenSelectors) { |
1123 | unsigned short OuterPC = ParenCount; |
1124 | |
1125 | // If anything went wrong we issue an error or warning and then skip the rest |
1126 | // of the selector. However, commas are ambiguous so we look for the nesting |
1127 | // of parentheses here as well. |
1128 | auto FinishSelector = [OuterPC, this]() -> void { |
1129 | bool Done = false; |
1130 | while (!Done) { |
1131 | while (!SkipUntil({tok::r_brace, tok::r_paren, tok::comma, |
1132 | tok::annot_pragma_openmp_end}, |
1133 | StopBeforeMatch)) |
1134 | ; |
1135 | if (Tok.is(tok::r_paren) && OuterPC > ParenCount) |
1136 | (void)ConsumeParen(); |
1137 | if (OuterPC <= ParenCount) { |
1138 | Done = true; |
1139 | break; |
1140 | } |
1141 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_paren)) { |
1142 | Done = true; |
1143 | break; |
1144 | } |
1145 | (void)ConsumeAnyToken(); |
1146 | } |
1147 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1148 | << CONTEXT_SELECTOR_LVL; |
1149 | }; |
1150 | |
1151 | SourceLocation SelectorLoc = Tok.getLocation(); |
1152 | parseOMPTraitSelectorKind(TISelector, Set, SeenSelectors); |
1153 | if (TISelector.Kind == TraitSelector::invalid) |
1154 | return FinishSelector(); |
1155 | |
1156 | bool AllowsTraitScore = false; |
1157 | bool RequiresProperty = false; |
1158 | if (!isValidTraitSelectorForTraitSet(TISelector.Kind, Set, AllowsTraitScore, |
1159 | RequiresProperty)) { |
1160 | Diag(SelectorLoc, diag::warn_omp_ctx_incompatible_selector_for_set) |
1161 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1162 | << getOpenMPContextTraitSetName(Set); |
1163 | Diag(SelectorLoc, diag::note_omp_ctx_compatible_set_for_selector) |
1164 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1165 | << getOpenMPContextTraitSetName( |
1166 | getOpenMPContextTraitSetForSelector(TISelector.Kind)) |
1167 | << RequiresProperty; |
1168 | return FinishSelector(); |
1169 | } |
1170 | |
1171 | if (!RequiresProperty) { |
1172 | TISelector.Properties.push_back( |
1173 | {getOpenMPContextTraitPropertyForSelector(TISelector.Kind), |
1174 | getOpenMPContextTraitSelectorName(TISelector.Kind)}); |
1175 | return; |
1176 | } |
1177 | |
1178 | if (!Tok.is(tok::l_paren)) { |
1179 | Diag(SelectorLoc, diag::warn_omp_ctx_selector_without_properties) |
1180 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1181 | << getOpenMPContextTraitSetName(Set); |
1182 | return FinishSelector(); |
1183 | } |
1184 | |
1185 | if (TISelector.Kind == TraitSelector::user_condition) { |
1186 | SourceLocation RLoc; |
1187 | ExprResult Condition = ParseOpenMPParensExpr("user condition", RLoc); |
1188 | if (!Condition.isUsable()) |
1189 | return FinishSelector(); |
1190 | TISelector.ScoreOrCondition = Condition.get(); |
1191 | TISelector.Properties.push_back( |
1192 | {TraitProperty::user_condition_unknown, "<condition>"}); |
1193 | return; |
1194 | } |
1195 | |
1196 | BalancedDelimiterTracker BDT(*this, tok::l_paren, |
1197 | tok::annot_pragma_openmp_end); |
1198 | // Parse '('. |
1199 | (void)BDT.consumeOpen(); |
1200 | |
1201 | SourceLocation ScoreLoc = Tok.getLocation(); |
1202 | ExprResult Score = parseContextScore(*this); |
1203 | |
1204 | if (!AllowsTraitScore && !Score.isUnset()) { |
1205 | if (Score.isUsable()) { |
1206 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1207 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1208 | << getOpenMPContextTraitSetName(Set) << Score.get(); |
1209 | } else { |
1210 | Diag(ScoreLoc, diag::warn_omp_ctx_incompatible_score_for_property) |
1211 | << getOpenMPContextTraitSelectorName(TISelector.Kind) |
1212 | << getOpenMPContextTraitSetName(Set) << "<invalid>"; |
1213 | } |
1214 | Score = ExprResult(); |
1215 | } |
1216 | |
1217 | if (Score.isUsable()) |
1218 | TISelector.ScoreOrCondition = Score.get(); |
1219 | |
1220 | llvm::StringMap<SourceLocation> SeenProperties; |
1221 | do { |
1222 | parseOMPContextProperty(TISelector, Set, SeenProperties); |
1223 | } while (TryConsumeToken(tok::comma)); |
1224 | |
1225 | // Parse ')'. |
1226 | BDT.consumeClose(); |
1227 | } |
1228 | |
1229 | void Parser::parseOMPTraitSetKind(OMPTraitSet &TISet, |
1230 | llvm::StringMap<SourceLocation> &Seen) { |
1231 | TISet.Kind = TraitSet::invalid; |
1232 | |
1233 | SourceLocation NameLoc = Tok.getLocation(); |
1234 | StringRef Name = getNameFromIdOrString(*this, Tok, CONTEXT_SELECTOR_SET_LVL); |
1235 | if (Name.empty()) { |
1236 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_options) |
1237 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1238 | return; |
1239 | } |
1240 | |
1241 | TISet.Kind = getOpenMPContextTraitSetKind(Name); |
1242 | if (TISet.Kind != TraitSet::invalid) { |
1243 | if (checkForDuplicates(*this, Name, NameLoc, Seen, |
1244 | CONTEXT_SELECTOR_SET_LVL)) |
1245 | TISet.Kind = TraitSet::invalid; |
1246 | return; |
1247 | } |
1248 | |
1249 | // It follows diagnosis and helping notes. |
1250 | Diag(NameLoc, diag::warn_omp_declare_variant_ctx_not_a_set) << Name; |
1251 | |
1252 | TraitSelector SelectorForName = getOpenMPContextTraitSelectorKind(Name); |
1253 | if (SelectorForName != TraitSelector::invalid) { |
1254 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1255 | << Name << CONTEXT_SELECTOR_LVL << CONTEXT_SELECTOR_SET_LVL; |
1256 | bool AllowsTraitScore = false; |
1257 | bool RequiresProperty = false; |
1258 | isValidTraitSelectorForTraitSet( |
1259 | SelectorForName, getOpenMPContextTraitSetForSelector(SelectorForName), |
1260 | AllowsTraitScore, RequiresProperty); |
1261 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1262 | << getOpenMPContextTraitSetName( |
1263 | getOpenMPContextTraitSetForSelector(SelectorForName)) |
1264 | << Name << (RequiresProperty ? "(<property-name>)" : ""); |
1265 | return; |
1266 | } |
1267 | for (const auto &PotentialSet : |
1268 | {TraitSet::construct, TraitSet::user, TraitSet::implementation, |
1269 | TraitSet::device}) { |
1270 | TraitProperty PropertyForName = getOpenMPContextTraitPropertyKind( |
1271 | PotentialSet, TraitSelector::invalid, Name); |
1272 | if (PropertyForName == TraitProperty::invalid) |
1273 | continue; |
1274 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_is_a) |
1275 | << Name << CONTEXT_TRAIT_LVL << CONTEXT_SELECTOR_SET_LVL; |
1276 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_try) |
1277 | << getOpenMPContextTraitSetName( |
1278 | getOpenMPContextTraitSetForProperty(PropertyForName)) |
1279 | << getOpenMPContextTraitSelectorName( |
1280 | getOpenMPContextTraitSelectorForProperty(PropertyForName)) |
1281 | << ("(" + Name + ")").str(); |
1282 | return; |
1283 | } |
1284 | Diag(NameLoc, diag::note_omp_declare_variant_ctx_options) |
1285 | << CONTEXT_SELECTOR_SET_LVL << listOpenMPContextTraitSets(); |
1286 | } |
1287 | |
1288 | /// Parses an OpenMP context selector set. |
1289 | /// |
1290 | /// <trait-set-selector-name> '=' '{' <trait-selector> [, <trait-selector>]* '}' |
1291 | void Parser::parseOMPContextSelectorSet( |
1292 | OMPTraitSet &TISet, llvm::StringMap<SourceLocation> &SeenSets) { |
1293 | auto OuterBC = BraceCount; |
1294 | |
1295 | // If anything went wrong we issue an error or warning and then skip the rest |
1296 | // of the set. However, commas are ambiguous so we look for the nesting |
1297 | // of braces here as well. |
1298 | auto FinishSelectorSet = [this, OuterBC]() -> void { |
1299 | bool Done = false; |
1300 | while (!Done) { |
1301 | while (!SkipUntil({tok::comma, tok::r_brace, tok::r_paren, |
1302 | tok::annot_pragma_openmp_end}, |
1303 | StopBeforeMatch)) |
1304 | ; |
1305 | if (Tok.is(tok::r_brace) && OuterBC > BraceCount) |
1306 | (void)ConsumeBrace(); |
1307 | if (OuterBC <= BraceCount) { |
1308 | Done = true; |
1309 | break; |
1310 | } |
1311 | if (!Tok.is(tok::comma) && !Tok.is(tok::r_brace)) { |
1312 | Done = true; |
1313 | break; |
1314 | } |
1315 | (void)ConsumeAnyToken(); |
1316 | } |
1317 | Diag(Tok.getLocation(), diag::note_omp_declare_variant_ctx_continue_here) |
1318 | << CONTEXT_SELECTOR_SET_LVL; |
1319 | }; |
1320 | |
1321 | parseOMPTraitSetKind(TISet, SeenSets); |
1322 | if (TISet.Kind == TraitSet::invalid) |
1323 | return FinishSelectorSet(); |
1324 | |
1325 | // Parse '='. |
1326 | if (!TryConsumeToken(tok::equal)) |
1327 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1328 | << "=" |
1329 | << ("context set name \"" + getOpenMPContextTraitSetName(TISet.Kind) + |
1330 | "\"") |
1331 | .str(); |
1332 | |
1333 | // Parse '{'. |
1334 | if (Tok.is(tok::l_brace)) { |
1335 | (void)ConsumeBrace(); |
1336 | } else { |
1337 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1338 | << "{" |
1339 | << ("'=' that follows the context set name \"" + |
1340 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1341 | .str(); |
1342 | } |
1343 | |
1344 | llvm::StringMap<SourceLocation> SeenSelectors; |
1345 | do { |
1346 | OMPTraitSelector TISelector; |
1347 | parseOMPContextSelector(TISelector, TISet.Kind, SeenSelectors); |
1348 | if (TISelector.Kind != TraitSelector::invalid && |
1349 | !TISelector.Properties.empty()) |
1350 | TISet.Selectors.push_back(TISelector); |
1351 | } while (TryConsumeToken(tok::comma)); |
1352 | |
1353 | // Parse '}'. |
1354 | if (Tok.is(tok::r_brace)) { |
1355 | (void)ConsumeBrace(); |
1356 | } else { |
1357 | Diag(Tok.getLocation(), diag::warn_omp_declare_variant_expected) |
1358 | << "}" |
1359 | << ("context selectors for the context set \"" + |
1360 | getOpenMPContextTraitSetName(TISet.Kind) + "\"") |
1361 | .str(); |
1362 | } |
1363 | } |
1364 | |
1365 | /// Parse OpenMP context selectors: |
1366 | /// |
1367 | /// <trait-set-selector> [, <trait-set-selector>]* |
1368 | bool Parser::parseOMPContextSelectors(SourceLocation Loc, OMPTraitInfo &TI) { |
1369 | llvm::StringMap<SourceLocation> SeenSets; |
1370 | do { |
1371 | OMPTraitSet TISet; |
1372 | parseOMPContextSelectorSet(TISet, SeenSets); |
1373 | if (TISet.Kind != TraitSet::invalid && !TISet.Selectors.empty()) |
1374 | TI.Sets.push_back(TISet); |
1375 | } while (TryConsumeToken(tok::comma)); |
1376 | |
1377 | return false; |
1378 | } |
1379 | |
1380 | /// Parse clauses for '#pragma omp declare variant ( variant-func-id ) clause'. |
1381 | void Parser::ParseOMPDeclareVariantClauses(Parser::DeclGroupPtrTy Ptr, |
1382 | CachedTokens &Toks, |
1383 | SourceLocation Loc) { |
1384 | PP.EnterToken(Tok, /*IsReinject*/ true); |
1385 | PP.EnterTokenStream(Toks, /*DisableMacroExpansion=*/true, |
1386 | /*IsReinject*/ true); |
1387 | // Consume the previously pushed token. |
1388 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1389 | ConsumeAnyToken(/*ConsumeCodeCompletionTok=*/true); |
1390 | |
1391 | FNContextRAII FnContext(*this, Ptr); |
1392 | // Parse function declaration id. |
1393 | SourceLocation RLoc; |
1394 | // Parse with IsAddressOfOperand set to true to parse methods as DeclRefExprs |
1395 | // instead of MemberExprs. |
1396 | ExprResult AssociatedFunction; |
1397 | { |
1398 | // Do not mark function as is used to prevent its emission if this is the |
1399 | // only place where it is used. |
1400 | EnterExpressionEvaluationContext Unevaluated( |
1401 | Actions, Sema::ExpressionEvaluationContext::Unevaluated); |
1402 | AssociatedFunction = ParseOpenMPParensExpr( |
1403 | getOpenMPDirectiveName(OMPD_declare_variant), RLoc, |
1404 | /*IsAddressOfOperand=*/true); |
1405 | } |
1406 | if (!AssociatedFunction.isUsable()) { |
1407 | if (!Tok.is(tok::annot_pragma_openmp_end)) |
1408 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1409 | ; |
1410 | // Skip the last annot_pragma_openmp_end. |
1411 | (void)ConsumeAnnotationToken(); |
1412 | return; |
1413 | } |
1414 | |
1415 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
1416 | ASTContext &ASTCtx = Actions.getASTContext(); |
1417 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
1418 | SmallVector<Expr *, 6> AdjustNothing; |
1419 | SmallVector<Expr *, 6> AdjustNeedDevicePtr; |
1420 | SmallVector<OMPInteropInfo, 3> AppendArgs; |
1421 | SourceLocation AdjustArgsLoc, AppendArgsLoc; |
1422 | |
1423 | // At least one clause is required. |
1424 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1425 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1426 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1427 | } |
1428 | |
1429 | bool IsError = false; |
1430 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1431 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1432 | ? OMPC_unknown |
1433 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1434 | if (!isAllowedClauseForDirective(OMPD_declare_variant, CKind, |
1435 | getLangOpts().OpenMP)) { |
1436 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1437 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1438 | IsError = true; |
1439 | } |
1440 | if (!IsError) { |
1441 | switch (CKind) { |
1442 | case OMPC_match: |
1443 | IsError = parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI); |
1444 | break; |
1445 | case OMPC_adjust_args: { |
1446 | AdjustArgsLoc = Tok.getLocation(); |
1447 | ConsumeToken(); |
1448 | Sema::OpenMPVarListDataTy Data; |
1449 | SmallVector<Expr *> Vars; |
1450 | IsError = ParseOpenMPVarList(OMPD_declare_variant, OMPC_adjust_args, |
1451 | Vars, Data); |
1452 | if (!IsError) |
1453 | llvm::append_range(Data.ExtraModifier == OMPC_ADJUST_ARGS_nothing |
1454 | ? AdjustNothing |
1455 | : AdjustNeedDevicePtr, |
1456 | Vars); |
1457 | break; |
1458 | } |
1459 | case OMPC_append_args: |
1460 | if (!AppendArgs.empty()) { |
1461 | Diag(AppendArgsLoc, diag::err_omp_more_one_clause) |
1462 | << getOpenMPDirectiveName(OMPD_declare_variant) |
1463 | << getOpenMPClauseName(CKind) << 0; |
1464 | IsError = true; |
1465 | } |
1466 | if (!IsError) { |
1467 | AppendArgsLoc = Tok.getLocation(); |
1468 | ConsumeToken(); |
1469 | IsError = parseOpenMPAppendArgs(AppendArgs); |
1470 | } |
1471 | break; |
1472 | default: |
1473 | llvm_unreachable("Unexpected clause for declare variant.")::llvm::llvm_unreachable_internal("Unexpected clause for declare variant." , "clang/lib/Parse/ParseOpenMP.cpp", 1473); |
1474 | } |
1475 | } |
1476 | if (IsError) { |
1477 | while (!SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch)) |
1478 | ; |
1479 | // Skip the last annot_pragma_openmp_end. |
1480 | (void)ConsumeAnnotationToken(); |
1481 | return; |
1482 | } |
1483 | // Skip ',' if any. |
1484 | if (Tok.is(tok::comma)) |
1485 | ConsumeToken(); |
1486 | } |
1487 | |
1488 | std::optional<std::pair<FunctionDecl *, Expr *>> DeclVarData = |
1489 | Actions.checkOpenMPDeclareVariantFunction( |
1490 | Ptr, AssociatedFunction.get(), TI, AppendArgs.size(), |
1491 | SourceRange(Loc, Tok.getLocation())); |
1492 | |
1493 | if (DeclVarData && !TI.Sets.empty()) |
1494 | Actions.ActOnOpenMPDeclareVariantDirective( |
1495 | DeclVarData->first, DeclVarData->second, TI, AdjustNothing, |
1496 | AdjustNeedDevicePtr, AppendArgs, AdjustArgsLoc, AppendArgsLoc, |
1497 | SourceRange(Loc, Tok.getLocation())); |
1498 | |
1499 | // Skip the last annot_pragma_openmp_end. |
1500 | (void)ConsumeAnnotationToken(); |
1501 | } |
1502 | |
1503 | bool Parser::parseOpenMPAppendArgs( |
1504 | SmallVectorImpl<OMPInteropInfo> &InteropInfos) { |
1505 | bool HasError = false; |
1506 | // Parse '('. |
1507 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
1508 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1509 | getOpenMPClauseName(OMPC_append_args).data())) |
1510 | return true; |
1511 | |
1512 | // Parse the list of append-ops, each is; |
1513 | // interop(interop-type[,interop-type]...) |
1514 | while (Tok.is(tok::identifier) && Tok.getIdentifierInfo()->isStr("interop")) { |
1515 | ConsumeToken(); |
1516 | BalancedDelimiterTracker IT(*this, tok::l_paren, |
1517 | tok::annot_pragma_openmp_end); |
1518 | if (IT.expectAndConsume(diag::err_expected_lparen_after, "interop")) |
1519 | return true; |
1520 | |
1521 | OMPInteropInfo InteropInfo; |
1522 | if (ParseOMPInteropInfo(InteropInfo, OMPC_append_args)) |
1523 | HasError = true; |
1524 | else |
1525 | InteropInfos.push_back(InteropInfo); |
1526 | |
1527 | IT.consumeClose(); |
1528 | if (Tok.is(tok::comma)) |
1529 | ConsumeToken(); |
1530 | } |
1531 | if (!HasError && InteropInfos.empty()) { |
1532 | HasError = true; |
1533 | Diag(Tok.getLocation(), diag::err_omp_unexpected_append_op); |
1534 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
1535 | StopBeforeMatch); |
1536 | } |
1537 | HasError = T.consumeClose() || HasError; |
1538 | return HasError; |
1539 | } |
1540 | |
1541 | bool Parser::parseOMPDeclareVariantMatchClause(SourceLocation Loc, |
1542 | OMPTraitInfo &TI, |
1543 | OMPTraitInfo *ParentTI) { |
1544 | // Parse 'match'. |
1545 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1546 | ? OMPC_unknown |
1547 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1548 | if (CKind != OMPC_match) { |
1549 | Diag(Tok.getLocation(), diag::err_omp_declare_variant_wrong_clause) |
1550 | << (getLangOpts().OpenMP < 51 ? 0 : 1); |
1551 | return true; |
1552 | } |
1553 | (void)ConsumeToken(); |
1554 | // Parse '('. |
1555 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
1556 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1557 | getOpenMPClauseName(OMPC_match).data())) |
1558 | return true; |
1559 | |
1560 | // Parse inner context selectors. |
1561 | parseOMPContextSelectors(Loc, TI); |
1562 | |
1563 | // Parse ')' |
1564 | (void)T.consumeClose(); |
1565 | |
1566 | if (!ParentTI) |
1567 | return false; |
1568 | |
1569 | // Merge the parent/outer trait info into the one we just parsed and diagnose |
1570 | // problems. |
1571 | // TODO: Keep some source location in the TI to provide better diagnostics. |
1572 | // TODO: Perform some kind of equivalence check on the condition and score |
1573 | // expressions. |
1574 | for (const OMPTraitSet &ParentSet : ParentTI->Sets) { |
1575 | bool MergedSet = false; |
1576 | for (OMPTraitSet &Set : TI.Sets) { |
1577 | if (Set.Kind != ParentSet.Kind) |
1578 | continue; |
1579 | MergedSet = true; |
1580 | for (const OMPTraitSelector &ParentSelector : ParentSet.Selectors) { |
1581 | bool MergedSelector = false; |
1582 | for (OMPTraitSelector &Selector : Set.Selectors) { |
1583 | if (Selector.Kind != ParentSelector.Kind) |
1584 | continue; |
1585 | MergedSelector = true; |
1586 | for (const OMPTraitProperty &ParentProperty : |
1587 | ParentSelector.Properties) { |
1588 | bool MergedProperty = false; |
1589 | for (OMPTraitProperty &Property : Selector.Properties) { |
1590 | // Ignore "equivalent" properties. |
1591 | if (Property.Kind != ParentProperty.Kind) |
1592 | continue; |
1593 | |
1594 | // If the kind is the same but the raw string not, we don't want |
1595 | // to skip out on the property. |
1596 | MergedProperty |= Property.RawString == ParentProperty.RawString; |
1597 | |
1598 | if (Property.RawString == ParentProperty.RawString && |
1599 | Selector.ScoreOrCondition == ParentSelector.ScoreOrCondition) |
1600 | continue; |
1601 | |
1602 | if (Selector.Kind == llvm::omp::TraitSelector::user_condition) { |
1603 | Diag(Loc, diag::err_omp_declare_variant_nested_user_condition); |
1604 | } else if (Selector.ScoreOrCondition != |
1605 | ParentSelector.ScoreOrCondition) { |
1606 | Diag(Loc, diag::err_omp_declare_variant_duplicate_nested_trait) |
1607 | << getOpenMPContextTraitPropertyName( |
1608 | ParentProperty.Kind, ParentProperty.RawString) |
1609 | << getOpenMPContextTraitSelectorName(ParentSelector.Kind) |
1610 | << getOpenMPContextTraitSetName(ParentSet.Kind); |
1611 | } |
1612 | } |
1613 | if (!MergedProperty) |
1614 | Selector.Properties.push_back(ParentProperty); |
1615 | } |
1616 | } |
1617 | if (!MergedSelector) |
1618 | Set.Selectors.push_back(ParentSelector); |
1619 | } |
1620 | } |
1621 | if (!MergedSet) |
1622 | TI.Sets.push_back(ParentSet); |
1623 | } |
1624 | |
1625 | return false; |
1626 | } |
1627 | |
1628 | /// <clause> [clause[ [,] clause] ... ] |
1629 | /// |
1630 | /// clauses: for error directive |
1631 | /// 'at' '(' compilation | execution ')' |
1632 | /// 'severity' '(' fatal | warning ')' |
1633 | /// 'message' '(' msg-string ')' |
1634 | /// .... |
1635 | void Parser::ParseOpenMPClauses(OpenMPDirectiveKind DKind, |
1636 | SmallVectorImpl<OMPClause *> &Clauses, |
1637 | SourceLocation Loc) { |
1638 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
1639 | llvm::omp::Clause_enumSize + 1> |
1640 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
1641 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1642 | OpenMPClauseKind CKind = Tok.isAnnotation() |
1643 | ? OMPC_unknown |
1644 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
1645 | Actions.StartOpenMPClause(CKind); |
1646 | OMPClause *Clause = ParseOpenMPClause( |
1647 | DKind, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
1648 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
1649 | StopBeforeMatch); |
1650 | FirstClauses[unsigned(CKind)].setInt(true); |
1651 | if (Clause != nullptr) |
1652 | Clauses.push_back(Clause); |
1653 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
1654 | Actions.EndOpenMPClause(); |
1655 | break; |
1656 | } |
1657 | // Skip ',' if any. |
1658 | if (Tok.is(tok::comma)) |
1659 | ConsumeToken(); |
1660 | Actions.EndOpenMPClause(); |
1661 | } |
1662 | } |
1663 | |
1664 | /// `omp assumes` or `omp begin/end assumes` <clause> [[,]<clause>]... |
1665 | /// where |
1666 | /// |
1667 | /// clause: |
1668 | /// 'ext_IMPL_DEFINED' |
1669 | /// 'absent' '(' directive-name [, directive-name]* ')' |
1670 | /// 'contains' '(' directive-name [, directive-name]* ')' |
1671 | /// 'holds' '(' scalar-expression ')' |
1672 | /// 'no_openmp' |
1673 | /// 'no_openmp_routines' |
1674 | /// 'no_parallelism' |
1675 | /// |
1676 | void Parser::ParseOpenMPAssumesDirective(OpenMPDirectiveKind DKind, |
1677 | SourceLocation Loc) { |
1678 | SmallVector<std::string, 4> Assumptions; |
1679 | bool SkippedClauses = false; |
1680 | |
1681 | auto SkipBraces = [&](llvm::StringRef Spelling, bool IssueNote) { |
1682 | BalancedDelimiterTracker T(*this, tok::l_paren, |
1683 | tok::annot_pragma_openmp_end); |
1684 | if (T.expectAndConsume(diag::err_expected_lparen_after, Spelling.data())) |
1685 | return; |
1686 | T.skipToEnd(); |
1687 | if (IssueNote && T.getCloseLocation().isValid()) |
1688 | Diag(T.getCloseLocation(), |
1689 | diag::note_omp_assumption_clause_continue_here); |
1690 | }; |
1691 | |
1692 | /// Helper to determine which AssumptionClauseMapping (ACM) in the |
1693 | /// AssumptionClauseMappings table matches \p RawString. The return value is |
1694 | /// the index of the matching ACM into the table or -1 if there was no match. |
1695 | auto MatchACMClause = [&](StringRef RawString) { |
1696 | llvm::StringSwitch<int> SS(RawString); |
1697 | unsigned ACMIdx = 0; |
1698 | for (const AssumptionClauseMappingInfo &ACMI : AssumptionClauseMappings) { |
1699 | if (ACMI.StartsWith) |
1700 | SS.StartsWith(ACMI.Identifier, ACMIdx++); |
1701 | else |
1702 | SS.Case(ACMI.Identifier, ACMIdx++); |
1703 | } |
1704 | return SS.Default(-1); |
1705 | }; |
1706 | |
1707 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1708 | IdentifierInfo *II = nullptr; |
1709 | SourceLocation StartLoc = Tok.getLocation(); |
1710 | int Idx = -1; |
1711 | if (Tok.isAnyIdentifier()) { |
1712 | II = Tok.getIdentifierInfo(); |
1713 | Idx = MatchACMClause(II->getName()); |
1714 | } |
1715 | ConsumeAnyToken(); |
1716 | |
1717 | bool NextIsLPar = Tok.is(tok::l_paren); |
1718 | // Handle unknown clauses by skipping them. |
1719 | if (Idx == -1) { |
1720 | Diag(StartLoc, diag::warn_omp_unknown_assumption_clause_missing_id) |
1721 | << llvm::omp::getOpenMPDirectiveName(DKind) |
1722 | << llvm::omp::getAllAssumeClauseOptions() << NextIsLPar; |
1723 | if (NextIsLPar) |
1724 | SkipBraces(II ? II->getName() : "", /* IssueNote */ true); |
1725 | SkippedClauses = true; |
1726 | continue; |
1727 | } |
1728 | const AssumptionClauseMappingInfo &ACMI = AssumptionClauseMappings[Idx]; |
1729 | if (ACMI.HasDirectiveList || ACMI.HasExpression) { |
1730 | // TODO: We ignore absent, contains, and holds assumptions for now. We |
1731 | // also do not verify the content in the parenthesis at all. |
1732 | SkippedClauses = true; |
1733 | SkipBraces(II->getName(), /* IssueNote */ false); |
1734 | continue; |
1735 | } |
1736 | |
1737 | if (NextIsLPar) { |
1738 | Diag(Tok.getLocation(), |
1739 | diag::warn_omp_unknown_assumption_clause_without_args) |
1740 | << II; |
1741 | SkipBraces(II->getName(), /* IssueNote */ true); |
1742 | } |
1743 | |
1744 | assert(II && "Expected an identifier clause!")(static_cast <bool> (II && "Expected an identifier clause!" ) ? void (0) : __assert_fail ("II && \"Expected an identifier clause!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1744, __extension__ __PRETTY_FUNCTION__ )); |
1745 | std::string Assumption = II->getName().str(); |
1746 | if (ACMI.StartsWith) |
1747 | Assumption = "ompx_" + Assumption.substr(ACMI.Identifier.size()); |
1748 | else |
1749 | Assumption = "omp_" + Assumption; |
1750 | Assumptions.push_back(Assumption); |
1751 | } |
1752 | |
1753 | Actions.ActOnOpenMPAssumesDirective(Loc, DKind, Assumptions, SkippedClauses); |
1754 | } |
1755 | |
1756 | void Parser::ParseOpenMPEndAssumesDirective(SourceLocation Loc) { |
1757 | if (Actions.isInOpenMPAssumeScope()) |
1758 | Actions.ActOnOpenMPEndAssumesDirective(); |
1759 | else |
1760 | Diag(Loc, diag::err_expected_begin_assumes); |
1761 | } |
1762 | |
1763 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
1764 | /// |
1765 | /// default-clause: |
1766 | /// 'default' '(' 'none' | 'shared' | 'private' | 'firstprivate' ') |
1767 | /// |
1768 | /// proc_bind-clause: |
1769 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ') |
1770 | /// |
1771 | /// device_type-clause: |
1772 | /// 'device_type' '(' 'host' | 'nohost' | 'any' )' |
1773 | namespace { |
1774 | struct SimpleClauseData { |
1775 | unsigned Type; |
1776 | SourceLocation Loc; |
1777 | SourceLocation LOpen; |
1778 | SourceLocation TypeLoc; |
1779 | SourceLocation RLoc; |
1780 | SimpleClauseData(unsigned Type, SourceLocation Loc, SourceLocation LOpen, |
1781 | SourceLocation TypeLoc, SourceLocation RLoc) |
1782 | : Type(Type), Loc(Loc), LOpen(LOpen), TypeLoc(TypeLoc), RLoc(RLoc) {} |
1783 | }; |
1784 | } // anonymous namespace |
1785 | |
1786 | static std::optional<SimpleClauseData> |
1787 | parseOpenMPSimpleClause(Parser &P, OpenMPClauseKind Kind) { |
1788 | const Token &Tok = P.getCurToken(); |
1789 | SourceLocation Loc = Tok.getLocation(); |
1790 | SourceLocation LOpen = P.ConsumeToken(); |
1791 | // Parse '('. |
1792 | BalancedDelimiterTracker T(P, tok::l_paren, tok::annot_pragma_openmp_end); |
1793 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
1794 | getOpenMPClauseName(Kind).data())) |
1795 | return std::nullopt; |
1796 | |
1797 | unsigned Type = getOpenMPSimpleClauseType( |
1798 | Kind, Tok.isAnnotation() ? "" : P.getPreprocessor().getSpelling(Tok), |
1799 | P.getLangOpts()); |
1800 | SourceLocation TypeLoc = Tok.getLocation(); |
1801 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
1802 | Tok.isNot(tok::annot_pragma_openmp_end)) |
1803 | P.ConsumeAnyToken(); |
1804 | |
1805 | // Parse ')'. |
1806 | SourceLocation RLoc = Tok.getLocation(); |
1807 | if (!T.consumeClose()) |
1808 | RLoc = T.getCloseLocation(); |
1809 | |
1810 | return SimpleClauseData(Type, Loc, LOpen, TypeLoc, RLoc); |
1811 | } |
1812 | |
1813 | void Parser::ParseOMPDeclareTargetClauses( |
1814 | Sema::DeclareTargetContextInfo &DTCI) { |
1815 | SourceLocation DeviceTypeLoc; |
1816 | bool RequiresToOrLinkOrIndirectClause = false; |
1817 | bool HasToOrLinkOrIndirectClause = false; |
1818 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
1819 | OMPDeclareTargetDeclAttr::MapTypeTy MT = OMPDeclareTargetDeclAttr::MT_To; |
1820 | bool HasIdentifier = Tok.is(tok::identifier); |
1821 | if (HasIdentifier) { |
1822 | // If we see any clause we need a to or link clause. |
1823 | RequiresToOrLinkOrIndirectClause = true; |
1824 | IdentifierInfo *II = Tok.getIdentifierInfo(); |
1825 | StringRef ClauseName = II->getName(); |
1826 | bool IsDeviceTypeClause = |
1827 | getLangOpts().OpenMP >= 50 && |
1828 | getOpenMPClauseKind(ClauseName) == OMPC_device_type; |
1829 | |
1830 | bool IsIndirectClause = getLangOpts().OpenMP >= 51 && |
1831 | getOpenMPClauseKind(ClauseName) == OMPC_indirect; |
1832 | if (DTCI.Indirect && IsIndirectClause) { |
1833 | Diag(Tok, diag::err_omp_more_one_clause) |
1834 | << getOpenMPDirectiveName(OMPD_declare_target) |
1835 | << getOpenMPClauseName(OMPC_indirect) << 0; |
1836 | break; |
1837 | } |
1838 | bool IsToEnterOrLinkClause = |
1839 | OMPDeclareTargetDeclAttr::ConvertStrToMapTypeTy(ClauseName, MT); |
1840 | assert((!IsDeviceTypeClause || !IsToEnterOrLinkClause) &&(static_cast <bool> ((!IsDeviceTypeClause || !IsToEnterOrLinkClause ) && "Cannot be both!") ? void (0) : __assert_fail ("(!IsDeviceTypeClause || !IsToEnterOrLinkClause) && \"Cannot be both!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1841, __extension__ __PRETTY_FUNCTION__ )) |
1841 | "Cannot be both!")(static_cast <bool> ((!IsDeviceTypeClause || !IsToEnterOrLinkClause ) && "Cannot be both!") ? void (0) : __assert_fail ("(!IsDeviceTypeClause || !IsToEnterOrLinkClause) && \"Cannot be both!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 1841, __extension__ __PRETTY_FUNCTION__ )); |
1842 | |
1843 | // Starting with OpenMP 5.2 the `to` clause has been replaced by the |
1844 | // `enter` clause. |
1845 | if (getLangOpts().OpenMP >= 52 && ClauseName == "to") { |
1846 | Diag(Tok, diag::err_omp_declare_target_unexpected_to_clause); |
1847 | break; |
1848 | } |
1849 | if (getLangOpts().OpenMP <= 51 && ClauseName == "enter") { |
1850 | Diag(Tok, diag::err_omp_declare_target_unexpected_enter_clause); |
1851 | break; |
1852 | } |
1853 | |
1854 | if (!IsDeviceTypeClause && !IsIndirectClause && |
1855 | DTCI.Kind == OMPD_begin_declare_target) { |
1856 | Diag(Tok, diag::err_omp_declare_target_unexpected_clause) |
1857 | << ClauseName << (getLangOpts().OpenMP >= 51 ? 3 : 0); |
1858 | break; |
1859 | } |
1860 | if (!IsDeviceTypeClause && !IsToEnterOrLinkClause && !IsIndirectClause) { |
1861 | Diag(Tok, getLangOpts().OpenMP >= 52 |
1862 | ? diag::err_omp_declare_target_unexpected_clause_52 |
1863 | : diag::err_omp_declare_target_unexpected_clause) |
1864 | << ClauseName |
1865 | << (getLangOpts().OpenMP >= 51 |
1866 | ? 4 |
1867 | : getLangOpts().OpenMP >= 50 ? 2 : 1); |
1868 | break; |
1869 | } |
1870 | |
1871 | if (IsToEnterOrLinkClause || IsIndirectClause) |
1872 | HasToOrLinkOrIndirectClause = true; |
1873 | |
1874 | if (IsIndirectClause) { |
1875 | if (!ParseOpenMPIndirectClause(DTCI, /*ParseOnly*/ false)) |
1876 | break; |
1877 | continue; |
1878 | } |
1879 | // Parse 'device_type' clause and go to next clause if any. |
1880 | if (IsDeviceTypeClause) { |
1881 | std::optional<SimpleClauseData> DevTypeData = |
1882 | parseOpenMPSimpleClause(*this, OMPC_device_type); |
1883 | if (DevTypeData) { |
1884 | if (DeviceTypeLoc.isValid()) { |
1885 | // We already saw another device_type clause, diagnose it. |
1886 | Diag(DevTypeData->Loc, |
1887 | diag::warn_omp_more_one_device_type_clause); |
1888 | break; |
1889 | } |
1890 | switch (static_cast<OpenMPDeviceType>(DevTypeData->Type)) { |
1891 | case OMPC_DEVICE_TYPE_any: |
1892 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_Any; |
1893 | break; |
1894 | case OMPC_DEVICE_TYPE_host: |
1895 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_Host; |
1896 | break; |
1897 | case OMPC_DEVICE_TYPE_nohost: |
1898 | DTCI.DT = OMPDeclareTargetDeclAttr::DT_NoHost; |
1899 | break; |
1900 | case OMPC_DEVICE_TYPE_unknown: |
1901 | llvm_unreachable("Unexpected device_type")::llvm::llvm_unreachable_internal("Unexpected device_type", "clang/lib/Parse/ParseOpenMP.cpp" , 1901); |
1902 | } |
1903 | DeviceTypeLoc = DevTypeData->Loc; |
1904 | } |
1905 | continue; |
1906 | } |
1907 | ConsumeToken(); |
1908 | } |
1909 | |
1910 | if (DTCI.Kind == OMPD_declare_target || HasIdentifier) { |
1911 | auto &&Callback = [this, MT, &DTCI](CXXScopeSpec &SS, |
1912 | DeclarationNameInfo NameInfo) { |
1913 | NamedDecl *ND = |
1914 | Actions.lookupOpenMPDeclareTargetName(getCurScope(), SS, NameInfo); |
1915 | if (!ND) |
1916 | return; |
1917 | Sema::DeclareTargetContextInfo::MapInfo MI{MT, NameInfo.getLoc()}; |
1918 | bool FirstMapping = DTCI.ExplicitlyMapped.try_emplace(ND, MI).second; |
1919 | if (!FirstMapping) |
1920 | Diag(NameInfo.getLoc(), diag::err_omp_declare_target_multiple) |
1921 | << NameInfo.getName(); |
1922 | }; |
1923 | if (ParseOpenMPSimpleVarList(OMPD_declare_target, Callback, |
1924 | /*AllowScopeSpecifier=*/true)) |
1925 | break; |
1926 | } |
1927 | |
1928 | if (Tok.is(tok::l_paren)) { |
1929 | Diag(Tok, |
1930 | diag::err_omp_begin_declare_target_unexpected_implicit_to_clause); |
1931 | break; |
1932 | } |
1933 | if (!HasIdentifier && Tok.isNot(tok::annot_pragma_openmp_end)) { |
1934 | Diag(Tok, |
1935 | getLangOpts().OpenMP >= 52 |
1936 | ? diag::err_omp_declare_target_wrong_clause_after_implicit_enter |
1937 | : diag::err_omp_declare_target_wrong_clause_after_implicit_to); |
1938 | break; |
1939 | } |
1940 | |
1941 | // Consume optional ','. |
1942 | if (Tok.is(tok::comma)) |
1943 | ConsumeToken(); |
1944 | } |
1945 | |
1946 | if (DTCI.Indirect && DTCI.DT != OMPDeclareTargetDeclAttr::DT_Any) |
1947 | Diag(DeviceTypeLoc, diag::err_omp_declare_target_indirect_device_type); |
1948 | |
1949 | // For declare target require at least 'to' or 'link' to be present. |
1950 | if (DTCI.Kind == OMPD_declare_target && RequiresToOrLinkOrIndirectClause && |
1951 | !HasToOrLinkOrIndirectClause) |
1952 | Diag(DTCI.Loc, |
1953 | getLangOpts().OpenMP >= 52 |
1954 | ? diag::err_omp_declare_target_missing_enter_or_link_clause |
1955 | : diag::err_omp_declare_target_missing_to_or_link_clause) |
1956 | << (getLangOpts().OpenMP >= 51 ? 1 : 0); |
1957 | |
1958 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1959 | } |
1960 | |
1961 | void Parser::skipUntilPragmaOpenMPEnd(OpenMPDirectiveKind DKind) { |
1962 | // The last seen token is annot_pragma_openmp_end - need to check for |
1963 | // extra tokens. |
1964 | if (Tok.is(tok::annot_pragma_openmp_end)) |
1965 | return; |
1966 | |
1967 | Diag(Tok, diag::warn_omp_extra_tokens_at_eol) |
1968 | << getOpenMPDirectiveName(DKind); |
1969 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
1970 | ConsumeAnyToken(); |
1971 | } |
1972 | |
1973 | void Parser::parseOMPEndDirective(OpenMPDirectiveKind BeginKind, |
1974 | OpenMPDirectiveKind ExpectedKind, |
1975 | OpenMPDirectiveKind FoundKind, |
1976 | SourceLocation BeginLoc, |
1977 | SourceLocation FoundLoc, |
1978 | bool SkipUntilOpenMPEnd) { |
1979 | int DiagSelection = ExpectedKind == OMPD_end_declare_target ? 0 : 1; |
1980 | |
1981 | if (FoundKind == ExpectedKind) { |
1982 | ConsumeAnyToken(); |
1983 | skipUntilPragmaOpenMPEnd(ExpectedKind); |
1984 | return; |
1985 | } |
1986 | |
1987 | Diag(FoundLoc, diag::err_expected_end_declare_target_or_variant) |
1988 | << DiagSelection; |
1989 | Diag(BeginLoc, diag::note_matching) |
1990 | << ("'#pragma omp " + getOpenMPDirectiveName(BeginKind) + "'").str(); |
1991 | if (SkipUntilOpenMPEnd) |
1992 | SkipUntil(tok::annot_pragma_openmp_end, StopBeforeMatch); |
1993 | } |
1994 | |
1995 | void Parser::ParseOMPEndDeclareTargetDirective(OpenMPDirectiveKind BeginDKind, |
1996 | OpenMPDirectiveKind EndDKind, |
1997 | SourceLocation DKLoc) { |
1998 | parseOMPEndDirective(BeginDKind, OMPD_end_declare_target, EndDKind, DKLoc, |
1999 | Tok.getLocation(), |
2000 | /* SkipUntilOpenMPEnd */ false); |
2001 | // Skip the last annot_pragma_openmp_end. |
2002 | if (Tok.is(tok::annot_pragma_openmp_end)) |
2003 | ConsumeAnnotationToken(); |
2004 | } |
2005 | |
2006 | /// Parsing of declarative OpenMP directives. |
2007 | /// |
2008 | /// threadprivate-directive: |
2009 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
2010 | /// annot_pragma_openmp_end |
2011 | /// |
2012 | /// allocate-directive: |
2013 | /// annot_pragma_openmp 'allocate' simple-variable-list [<clause>] |
2014 | /// annot_pragma_openmp_end |
2015 | /// |
2016 | /// declare-reduction-directive: |
2017 | /// annot_pragma_openmp 'declare' 'reduction' [...] |
2018 | /// annot_pragma_openmp_end |
2019 | /// |
2020 | /// declare-mapper-directive: |
2021 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
2022 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
2023 | /// annot_pragma_openmp_end |
2024 | /// |
2025 | /// declare-simd-directive: |
2026 | /// annot_pragma_openmp 'declare simd' {<clause> [,]} |
2027 | /// annot_pragma_openmp_end |
2028 | /// <function declaration/definition> |
2029 | /// |
2030 | /// requires directive: |
2031 | /// annot_pragma_openmp 'requires' <clause> [[[,] <clause>] ... ] |
2032 | /// annot_pragma_openmp_end |
2033 | /// |
2034 | /// assumes directive: |
2035 | /// annot_pragma_openmp 'assumes' <clause> [[[,] <clause>] ... ] |
2036 | /// annot_pragma_openmp_end |
2037 | /// or |
2038 | /// annot_pragma_openmp 'begin assumes' <clause> [[[,] <clause>] ... ] |
2039 | /// annot_pragma_openmp 'end assumes' |
2040 | /// annot_pragma_openmp_end |
2041 | /// |
2042 | Parser::DeclGroupPtrTy Parser::ParseOpenMPDeclarativeDirectiveWithExtDecl( |
2043 | AccessSpecifier &AS, ParsedAttributes &Attrs, bool Delayed, |
2044 | DeclSpec::TST TagType, Decl *Tag) { |
2045 | assert(Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) &&(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2046, __extension__ __PRETTY_FUNCTION__ )) |
2046 | "Not an OpenMP directive!")(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2046, __extension__ __PRETTY_FUNCTION__ )); |
2047 | ParsingOpenMPDirectiveRAII DirScope(*this); |
2048 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
2049 | |
2050 | SourceLocation Loc; |
2051 | OpenMPDirectiveKind DKind; |
2052 | if (Delayed) { |
2053 | TentativeParsingAction TPA(*this); |
2054 | Loc = ConsumeAnnotationToken(); |
2055 | DKind = parseOpenMPDirectiveKind(*this); |
2056 | if (DKind == OMPD_declare_reduction || DKind == OMPD_declare_mapper) { |
2057 | // Need to delay parsing until completion of the parent class. |
2058 | TPA.Revert(); |
2059 | CachedTokens Toks; |
2060 | unsigned Cnt = 1; |
2061 | Toks.push_back(Tok); |
2062 | while (Cnt && Tok.isNot(tok::eof)) { |
2063 | (void)ConsumeAnyToken(); |
2064 | if (Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp)) |
2065 | ++Cnt; |
2066 | else if (Tok.is(tok::annot_pragma_openmp_end)) |
2067 | --Cnt; |
2068 | Toks.push_back(Tok); |
2069 | } |
2070 | // Skip last annot_pragma_openmp_end. |
2071 | if (Cnt == 0) |
2072 | (void)ConsumeAnyToken(); |
2073 | auto *LP = new LateParsedPragma(this, AS); |
2074 | LP->takeToks(Toks); |
2075 | getCurrentClass().LateParsedDeclarations.push_back(LP); |
2076 | return nullptr; |
2077 | } |
2078 | TPA.Commit(); |
2079 | } else { |
2080 | Loc = ConsumeAnnotationToken(); |
2081 | DKind = parseOpenMPDirectiveKind(*this); |
2082 | } |
2083 | |
2084 | switch (DKind) { |
2085 | case OMPD_threadprivate: { |
2086 | ConsumeToken(); |
2087 | DeclDirectiveListParserHelper Helper(this, DKind); |
2088 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2089 | /*AllowScopeSpecifier=*/true)) { |
2090 | skipUntilPragmaOpenMPEnd(DKind); |
2091 | // Skip the last annot_pragma_openmp_end. |
2092 | ConsumeAnnotationToken(); |
2093 | return Actions.ActOnOpenMPThreadprivateDirective(Loc, |
2094 | Helper.getIdentifiers()); |
2095 | } |
2096 | break; |
2097 | } |
2098 | case OMPD_allocate: { |
2099 | ConsumeToken(); |
2100 | DeclDirectiveListParserHelper Helper(this, DKind); |
2101 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2102 | /*AllowScopeSpecifier=*/true)) { |
2103 | SmallVector<OMPClause *, 1> Clauses; |
2104 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2105 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2106 | llvm::omp::Clause_enumSize + 1> |
2107 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2108 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2109 | OpenMPClauseKind CKind = |
2110 | Tok.isAnnotation() ? OMPC_unknown |
2111 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2112 | Actions.StartOpenMPClause(CKind); |
2113 | OMPClause *Clause = ParseOpenMPClause( |
2114 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2115 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2116 | StopBeforeMatch); |
2117 | FirstClauses[unsigned(CKind)].setInt(true); |
2118 | if (Clause != nullptr) |
2119 | Clauses.push_back(Clause); |
2120 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2121 | Actions.EndOpenMPClause(); |
2122 | break; |
2123 | } |
2124 | // Skip ',' if any. |
2125 | if (Tok.is(tok::comma)) |
2126 | ConsumeToken(); |
2127 | Actions.EndOpenMPClause(); |
2128 | } |
2129 | skipUntilPragmaOpenMPEnd(DKind); |
2130 | } |
2131 | // Skip the last annot_pragma_openmp_end. |
2132 | ConsumeAnnotationToken(); |
2133 | return Actions.ActOnOpenMPAllocateDirective(Loc, Helper.getIdentifiers(), |
2134 | Clauses); |
2135 | } |
2136 | break; |
2137 | } |
2138 | case OMPD_requires: { |
2139 | SourceLocation StartLoc = ConsumeToken(); |
2140 | SmallVector<OMPClause *, 5> Clauses; |
2141 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2142 | llvm::omp::Clause_enumSize + 1> |
2143 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2144 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2145 | Diag(Tok, diag::err_omp_expected_clause) |
2146 | << getOpenMPDirectiveName(OMPD_requires); |
2147 | break; |
2148 | } |
2149 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2150 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2151 | ? OMPC_unknown |
2152 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2153 | Actions.StartOpenMPClause(CKind); |
2154 | OMPClause *Clause = ParseOpenMPClause( |
2155 | OMPD_requires, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2156 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2157 | StopBeforeMatch); |
2158 | FirstClauses[unsigned(CKind)].setInt(true); |
2159 | if (Clause != nullptr) |
2160 | Clauses.push_back(Clause); |
2161 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2162 | Actions.EndOpenMPClause(); |
2163 | break; |
2164 | } |
2165 | // Skip ',' if any. |
2166 | if (Tok.is(tok::comma)) |
2167 | ConsumeToken(); |
2168 | Actions.EndOpenMPClause(); |
2169 | } |
2170 | // Consume final annot_pragma_openmp_end |
2171 | if (Clauses.empty()) { |
2172 | Diag(Tok, diag::err_omp_expected_clause) |
2173 | << getOpenMPDirectiveName(OMPD_requires); |
2174 | ConsumeAnnotationToken(); |
2175 | return nullptr; |
2176 | } |
2177 | ConsumeAnnotationToken(); |
2178 | return Actions.ActOnOpenMPRequiresDirective(StartLoc, Clauses); |
2179 | } |
2180 | case OMPD_error: { |
2181 | SmallVector<OMPClause *, 1> Clauses; |
2182 | SourceLocation StartLoc = ConsumeToken(); |
2183 | ParseOpenMPClauses(DKind, Clauses, StartLoc); |
2184 | Actions.ActOnOpenMPErrorDirective(Clauses, StartLoc, SourceLocation(), |
2185 | /*InExContext = */ false); |
2186 | break; |
2187 | } |
2188 | case OMPD_assumes: |
2189 | case OMPD_begin_assumes: |
2190 | ParseOpenMPAssumesDirective(DKind, ConsumeToken()); |
2191 | break; |
2192 | case OMPD_end_assumes: |
2193 | ParseOpenMPEndAssumesDirective(ConsumeToken()); |
2194 | break; |
2195 | case OMPD_declare_reduction: |
2196 | ConsumeToken(); |
2197 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareReductionDirective(AS)) { |
2198 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
2199 | // Skip the last annot_pragma_openmp_end. |
2200 | ConsumeAnnotationToken(); |
2201 | return Res; |
2202 | } |
2203 | break; |
2204 | case OMPD_declare_mapper: { |
2205 | ConsumeToken(); |
2206 | if (DeclGroupPtrTy Res = ParseOpenMPDeclareMapperDirective(AS)) { |
2207 | // Skip the last annot_pragma_openmp_end. |
2208 | ConsumeAnnotationToken(); |
2209 | return Res; |
2210 | } |
2211 | break; |
2212 | } |
2213 | case OMPD_begin_declare_variant: { |
2214 | // The syntax is: |
2215 | // { #pragma omp begin declare variant clause } |
2216 | // <function-declaration-or-definition-sequence> |
2217 | // { #pragma omp end declare variant } |
2218 | // |
2219 | ConsumeToken(); |
2220 | OMPTraitInfo *ParentTI = Actions.getOMPTraitInfoForSurroundingScope(); |
2221 | ASTContext &ASTCtx = Actions.getASTContext(); |
2222 | OMPTraitInfo &TI = ASTCtx.getNewOMPTraitInfo(); |
2223 | if (parseOMPDeclareVariantMatchClause(Loc, TI, ParentTI)) { |
2224 | while (!SkipUntil(tok::annot_pragma_openmp_end, Parser::StopBeforeMatch)) |
2225 | ; |
2226 | // Skip the last annot_pragma_openmp_end. |
2227 | (void)ConsumeAnnotationToken(); |
2228 | break; |
2229 | } |
2230 | |
2231 | // Skip last tokens. |
2232 | skipUntilPragmaOpenMPEnd(OMPD_begin_declare_variant); |
2233 | |
2234 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2235 | |
2236 | VariantMatchInfo VMI; |
2237 | TI.getAsVariantMatchInfo(ASTCtx, VMI); |
2238 | |
2239 | std::function<void(StringRef)> DiagUnknownTrait = |
2240 | [this, Loc](StringRef ISATrait) { |
2241 | // TODO Track the selector locations in a way that is accessible here |
2242 | // to improve the diagnostic location. |
2243 | Diag(Loc, diag::warn_unknown_declare_variant_isa_trait) << ISATrait; |
2244 | }; |
2245 | TargetOMPContext OMPCtx( |
2246 | ASTCtx, std::move(DiagUnknownTrait), |
2247 | /* CurrentFunctionDecl */ nullptr, |
2248 | /* ConstructTraits */ ArrayRef<llvm::omp::TraitProperty>()); |
2249 | |
2250 | if (isVariantApplicableInContext(VMI, OMPCtx, /* DeviceSetOnly */ true)) { |
2251 | Actions.ActOnOpenMPBeginDeclareVariant(Loc, TI); |
2252 | break; |
2253 | } |
2254 | |
2255 | // Elide all the code till the matching end declare variant was found. |
2256 | unsigned Nesting = 1; |
2257 | SourceLocation DKLoc; |
2258 | OpenMPDirectiveKind DK = OMPD_unknown; |
2259 | do { |
2260 | DKLoc = Tok.getLocation(); |
2261 | DK = parseOpenMPDirectiveKind(*this); |
2262 | if (DK == OMPD_end_declare_variant) |
2263 | --Nesting; |
2264 | else if (DK == OMPD_begin_declare_variant) |
2265 | ++Nesting; |
2266 | if (!Nesting || isEofOrEom()) |
2267 | break; |
2268 | ConsumeAnyToken(); |
2269 | } while (true); |
2270 | |
2271 | parseOMPEndDirective(OMPD_begin_declare_variant, OMPD_end_declare_variant, |
2272 | DK, Loc, DKLoc, /* SkipUntilOpenMPEnd */ true); |
2273 | if (isEofOrEom()) |
2274 | return nullptr; |
2275 | break; |
2276 | } |
2277 | case OMPD_end_declare_variant: { |
2278 | if (Actions.isInOpenMPDeclareVariantScope()) |
2279 | Actions.ActOnOpenMPEndDeclareVariant(); |
2280 | else |
2281 | Diag(Loc, diag::err_expected_begin_declare_variant); |
2282 | ConsumeToken(); |
2283 | break; |
2284 | } |
2285 | case OMPD_declare_variant: |
2286 | case OMPD_declare_simd: { |
2287 | // The syntax is: |
2288 | // { #pragma omp declare {simd|variant} } |
2289 | // <function-declaration-or-definition> |
2290 | // |
2291 | CachedTokens Toks; |
2292 | Toks.push_back(Tok); |
2293 | ConsumeToken(); |
2294 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2295 | Toks.push_back(Tok); |
2296 | ConsumeAnyToken(); |
2297 | } |
2298 | Toks.push_back(Tok); |
2299 | ConsumeAnyToken(); |
2300 | |
2301 | DeclGroupPtrTy Ptr; |
2302 | if (Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp)) { |
2303 | Ptr = ParseOpenMPDeclarativeDirectiveWithExtDecl(AS, Attrs, Delayed, |
2304 | TagType, Tag); |
2305 | } else if (Tok.isNot(tok::r_brace) && !isEofOrEom()) { |
2306 | // Here we expect to see some function declaration. |
2307 | if (AS == AS_none) { |
2308 | assert(TagType == DeclSpec::TST_unspecified)(static_cast <bool> (TagType == DeclSpec::TST_unspecified ) ? void (0) : __assert_fail ("TagType == DeclSpec::TST_unspecified" , "clang/lib/Parse/ParseOpenMP.cpp", 2308, __extension__ __PRETTY_FUNCTION__ )); |
2309 | ParsedAttributes EmptyDeclSpecAttrs(AttrFactory); |
2310 | MaybeParseCXX11Attributes(Attrs); |
2311 | ParsingDeclSpec PDS(*this); |
2312 | Ptr = ParseExternalDeclaration(Attrs, EmptyDeclSpecAttrs, &PDS); |
2313 | } else { |
2314 | Ptr = |
2315 | ParseCXXClassMemberDeclarationWithPragmas(AS, Attrs, TagType, Tag); |
2316 | } |
2317 | } |
2318 | if (!Ptr) { |
2319 | Diag(Loc, diag::err_omp_decl_in_declare_simd_variant) |
2320 | << (DKind == OMPD_declare_simd ? 0 : 1); |
2321 | return DeclGroupPtrTy(); |
2322 | } |
2323 | if (DKind == OMPD_declare_simd) |
2324 | return ParseOMPDeclareSimdClauses(Ptr, Toks, Loc); |
2325 | assert(DKind == OMPD_declare_variant &&(static_cast <bool> (DKind == OMPD_declare_variant && "Expected declare variant directive only") ? void (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2326, __extension__ __PRETTY_FUNCTION__ )) |
2326 | "Expected declare variant directive only")(static_cast <bool> (DKind == OMPD_declare_variant && "Expected declare variant directive only") ? void (0) : __assert_fail ("DKind == OMPD_declare_variant && \"Expected declare variant directive only\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2326, __extension__ __PRETTY_FUNCTION__ )); |
2327 | ParseOMPDeclareVariantClauses(Ptr, Toks, Loc); |
2328 | return Ptr; |
2329 | } |
2330 | case OMPD_begin_declare_target: |
2331 | case OMPD_declare_target: { |
2332 | SourceLocation DTLoc = ConsumeAnyToken(); |
2333 | bool HasClauses = Tok.isNot(tok::annot_pragma_openmp_end); |
2334 | Sema::DeclareTargetContextInfo DTCI(DKind, DTLoc); |
2335 | if (HasClauses) |
2336 | ParseOMPDeclareTargetClauses(DTCI); |
2337 | bool HasImplicitMappings = DKind == OMPD_begin_declare_target || |
2338 | !HasClauses || |
2339 | (DTCI.ExplicitlyMapped.empty() && DTCI.Indirect); |
2340 | |
2341 | // Skip the last annot_pragma_openmp_end. |
2342 | ConsumeAnyToken(); |
2343 | |
2344 | if (HasImplicitMappings) { |
2345 | Actions.ActOnStartOpenMPDeclareTargetContext(DTCI); |
2346 | return nullptr; |
2347 | } |
2348 | |
2349 | Actions.ActOnFinishedOpenMPDeclareTargetContext(DTCI); |
2350 | llvm::SmallVector<Decl *, 4> Decls; |
2351 | for (auto &It : DTCI.ExplicitlyMapped) |
2352 | Decls.push_back(It.first); |
2353 | return Actions.BuildDeclaratorGroup(Decls); |
2354 | } |
2355 | case OMPD_end_declare_target: { |
2356 | if (!Actions.isInOpenMPDeclareTargetContext()) { |
2357 | Diag(Tok, diag::err_omp_unexpected_directive) |
2358 | << 1 << getOpenMPDirectiveName(DKind); |
2359 | break; |
2360 | } |
2361 | const Sema::DeclareTargetContextInfo &DTCI = |
2362 | Actions.ActOnOpenMPEndDeclareTargetDirective(); |
2363 | ParseOMPEndDeclareTargetDirective(DTCI.Kind, DKind, DTCI.Loc); |
2364 | return nullptr; |
2365 | } |
2366 | case OMPD_unknown: |
2367 | Diag(Tok, diag::err_omp_unknown_directive); |
2368 | break; |
2369 | case OMPD_parallel: |
2370 | case OMPD_simd: |
2371 | case OMPD_tile: |
2372 | case OMPD_unroll: |
2373 | case OMPD_task: |
2374 | case OMPD_taskyield: |
2375 | case OMPD_barrier: |
2376 | case OMPD_taskwait: |
2377 | case OMPD_taskgroup: |
2378 | case OMPD_flush: |
2379 | case OMPD_depobj: |
2380 | case OMPD_scan: |
2381 | case OMPD_for: |
2382 | case OMPD_for_simd: |
2383 | case OMPD_sections: |
2384 | case OMPD_section: |
2385 | case OMPD_single: |
2386 | case OMPD_master: |
2387 | case OMPD_ordered: |
2388 | case OMPD_critical: |
2389 | case OMPD_parallel_for: |
2390 | case OMPD_parallel_for_simd: |
2391 | case OMPD_parallel_sections: |
2392 | case OMPD_parallel_master: |
2393 | case OMPD_parallel_masked: |
2394 | case OMPD_atomic: |
2395 | case OMPD_target: |
2396 | case OMPD_teams: |
2397 | case OMPD_cancellation_point: |
2398 | case OMPD_cancel: |
2399 | case OMPD_target_data: |
2400 | case OMPD_target_enter_data: |
2401 | case OMPD_target_exit_data: |
2402 | case OMPD_target_parallel: |
2403 | case OMPD_target_parallel_for: |
2404 | case OMPD_taskloop: |
2405 | case OMPD_taskloop_simd: |
2406 | case OMPD_master_taskloop: |
2407 | case OMPD_master_taskloop_simd: |
2408 | case OMPD_parallel_master_taskloop: |
2409 | case OMPD_parallel_master_taskloop_simd: |
2410 | case OMPD_masked_taskloop: |
2411 | case OMPD_masked_taskloop_simd: |
2412 | case OMPD_parallel_masked_taskloop: |
2413 | case OMPD_parallel_masked_taskloop_simd: |
2414 | case OMPD_distribute: |
2415 | case OMPD_target_update: |
2416 | case OMPD_distribute_parallel_for: |
2417 | case OMPD_distribute_parallel_for_simd: |
2418 | case OMPD_distribute_simd: |
2419 | case OMPD_target_parallel_for_simd: |
2420 | case OMPD_target_simd: |
2421 | case OMPD_teams_distribute: |
2422 | case OMPD_teams_distribute_simd: |
2423 | case OMPD_teams_distribute_parallel_for_simd: |
2424 | case OMPD_teams_distribute_parallel_for: |
2425 | case OMPD_target_teams: |
2426 | case OMPD_target_teams_distribute: |
2427 | case OMPD_target_teams_distribute_parallel_for: |
2428 | case OMPD_target_teams_distribute_parallel_for_simd: |
2429 | case OMPD_target_teams_distribute_simd: |
2430 | case OMPD_dispatch: |
2431 | case OMPD_masked: |
2432 | case OMPD_metadirective: |
2433 | case OMPD_loop: |
2434 | case OMPD_teams_loop: |
2435 | case OMPD_target_teams_loop: |
2436 | case OMPD_parallel_loop: |
2437 | case OMPD_target_parallel_loop: |
2438 | Diag(Tok, diag::err_omp_unexpected_directive) |
2439 | << 1 << getOpenMPDirectiveName(DKind); |
2440 | break; |
2441 | default: |
2442 | break; |
2443 | } |
2444 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
2445 | ConsumeAnyToken(); |
2446 | ConsumeAnyToken(); |
2447 | return nullptr; |
2448 | } |
2449 | |
2450 | /// Parsing of declarative or executable OpenMP directives. |
2451 | /// |
2452 | /// threadprivate-directive: |
2453 | /// annot_pragma_openmp 'threadprivate' simple-variable-list |
2454 | /// annot_pragma_openmp_end |
2455 | /// |
2456 | /// allocate-directive: |
2457 | /// annot_pragma_openmp 'allocate' simple-variable-list |
2458 | /// annot_pragma_openmp_end |
2459 | /// |
2460 | /// declare-reduction-directive: |
2461 | /// annot_pragma_openmp 'declare' 'reduction' '(' <reduction_id> ':' |
2462 | /// <type> {',' <type>} ':' <expression> ')' ['initializer' '(' |
2463 | /// ('omp_priv' '=' <expression>|<function_call>) ')'] |
2464 | /// annot_pragma_openmp_end |
2465 | /// |
2466 | /// declare-mapper-directive: |
2467 | /// annot_pragma_openmp 'declare' 'mapper' '(' [<mapper-identifer> ':'] |
2468 | /// <type> <var> ')' [<clause>[[,] <clause>] ... ] |
2469 | /// annot_pragma_openmp_end |
2470 | /// |
2471 | /// executable-directive: |
2472 | /// annot_pragma_openmp 'parallel' | 'simd' | 'for' | 'sections' | |
2473 | /// 'section' | 'single' | 'master' | 'critical' [ '(' <name> ')' ] | |
2474 | /// 'parallel for' | 'parallel sections' | 'parallel master' | 'task' | |
2475 | /// 'taskyield' | 'barrier' | 'taskwait' | 'flush' | 'ordered' | 'error' |
2476 | /// | 'atomic' | 'for simd' | 'parallel for simd' | 'target' | 'target |
2477 | /// data' | 'taskgroup' | 'teams' | 'taskloop' | 'taskloop simd' | |
2478 | /// 'master taskloop' | 'master taskloop simd' | 'parallel master |
2479 | /// taskloop' | 'parallel master taskloop simd' | 'distribute' | 'target |
2480 | /// enter data' | 'target exit data' | 'target parallel' | 'target |
2481 | /// parallel for' | 'target update' | 'distribute parallel for' | |
2482 | /// 'distribute paralle for simd' | 'distribute simd' | 'target parallel |
2483 | /// for simd' | 'target simd' | 'teams distribute' | 'teams distribute |
2484 | /// simd' | 'teams distribute parallel for simd' | 'teams distribute |
2485 | /// parallel for' | 'target teams' | 'target teams distribute' | 'target |
2486 | /// teams distribute parallel for' | 'target teams distribute parallel |
2487 | /// for simd' | 'target teams distribute simd' | 'masked' | |
2488 | /// 'parallel masked' {clause} annot_pragma_openmp_end |
2489 | /// |
2490 | StmtResult Parser::ParseOpenMPDeclarativeOrExecutableDirective( |
2491 | ParsedStmtContext StmtCtx, bool ReadDirectiveWithinMetadirective) { |
2492 | if (!ReadDirectiveWithinMetadirective) |
2493 | assert(Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) &&(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2494, __extension__ __PRETTY_FUNCTION__ )) |
2494 | "Not an OpenMP directive!")(static_cast <bool> (Tok.isOneOf(tok::annot_pragma_openmp , tok::annot_attr_openmp) && "Not an OpenMP directive!" ) ? void (0) : __assert_fail ("Tok.isOneOf(tok::annot_pragma_openmp, tok::annot_attr_openmp) && \"Not an OpenMP directive!\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2494, __extension__ __PRETTY_FUNCTION__ )); |
2495 | ParsingOpenMPDirectiveRAII DirScope(*this); |
2496 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
2497 | SmallVector<OMPClause *, 5> Clauses; |
2498 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2499 | llvm::omp::Clause_enumSize + 1> |
2500 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2501 | unsigned ScopeFlags = Scope::FnScope | Scope::DeclScope | |
2502 | Scope::CompoundStmtScope | Scope::OpenMPDirectiveScope; |
2503 | SourceLocation Loc = ReadDirectiveWithinMetadirective |
2504 | ? Tok.getLocation() |
2505 | : ConsumeAnnotationToken(), |
2506 | EndLoc; |
2507 | OpenMPDirectiveKind DKind = parseOpenMPDirectiveKind(*this); |
2508 | if (ReadDirectiveWithinMetadirective && DKind == OMPD_unknown) { |
2509 | Diag(Tok, diag::err_omp_unknown_directive); |
2510 | return StmtError(); |
2511 | } |
2512 | OpenMPDirectiveKind CancelRegion = OMPD_unknown; |
2513 | // Name of critical directive. |
2514 | DeclarationNameInfo DirName; |
2515 | StmtResult Directive = StmtError(); |
2516 | bool HasAssociatedStatement = true; |
2517 | |
2518 | switch (DKind) { |
2519 | case OMPD_nothing: |
2520 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2521 | ParsedStmtContext()) |
2522 | Diag(Tok, diag::err_omp_immediate_directive) |
2523 | << getOpenMPDirectiveName(DKind) << 0; |
2524 | ConsumeToken(); |
2525 | skipUntilPragmaOpenMPEnd(DKind); |
2526 | if (Tok.is(tok::annot_pragma_openmp_end)) |
2527 | ConsumeAnnotationToken(); |
2528 | break; |
2529 | case OMPD_metadirective: { |
2530 | ConsumeToken(); |
2531 | SmallVector<VariantMatchInfo, 4> VMIs; |
2532 | |
2533 | // First iteration of parsing all clauses of metadirective. |
2534 | // This iteration only parses and collects all context selector ignoring the |
2535 | // associated directives. |
2536 | TentativeParsingAction TPA(*this); |
2537 | ASTContext &ASTContext = Actions.getASTContext(); |
2538 | |
2539 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2540 | tok::annot_pragma_openmp_end); |
2541 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2542 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2543 | ? OMPC_unknown |
2544 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2545 | SourceLocation Loc = ConsumeToken(); |
2546 | |
2547 | // Parse '('. |
2548 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
2549 | getOpenMPClauseName(CKind).data())) |
2550 | return Directive; |
2551 | |
2552 | OMPTraitInfo &TI = Actions.getASTContext().getNewOMPTraitInfo(); |
2553 | if (CKind == OMPC_when) { |
2554 | // parse and get OMPTraitInfo to pass to the When clause |
2555 | parseOMPContextSelectors(Loc, TI); |
2556 | if (TI.Sets.size() == 0) { |
2557 | Diag(Tok, diag::err_omp_expected_context_selector) << "when clause"; |
2558 | TPA.Commit(); |
2559 | return Directive; |
2560 | } |
2561 | |
2562 | // Parse ':' |
2563 | if (Tok.is(tok::colon)) |
2564 | ConsumeAnyToken(); |
2565 | else { |
2566 | Diag(Tok, diag::err_omp_expected_colon) << "when clause"; |
2567 | TPA.Commit(); |
2568 | return Directive; |
2569 | } |
2570 | } |
2571 | // Skip Directive for now. We will parse directive in the second iteration |
2572 | int paren = 0; |
2573 | while (Tok.isNot(tok::r_paren) || paren != 0) { |
2574 | if (Tok.is(tok::l_paren)) |
2575 | paren++; |
2576 | if (Tok.is(tok::r_paren)) |
2577 | paren--; |
2578 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2579 | Diag(Tok, diag::err_omp_expected_punc) |
2580 | << getOpenMPClauseName(CKind) << 0; |
2581 | TPA.Commit(); |
2582 | return Directive; |
2583 | } |
2584 | ConsumeAnyToken(); |
2585 | } |
2586 | // Parse ')' |
2587 | if (Tok.is(tok::r_paren)) |
2588 | T.consumeClose(); |
2589 | |
2590 | VariantMatchInfo VMI; |
2591 | TI.getAsVariantMatchInfo(ASTContext, VMI); |
2592 | |
2593 | VMIs.push_back(VMI); |
2594 | } |
2595 | |
2596 | TPA.Revert(); |
2597 | // End of the first iteration. Parser is reset to the start of metadirective |
2598 | |
2599 | std::function<void(StringRef)> DiagUnknownTrait = |
2600 | [this, Loc](StringRef ISATrait) { |
2601 | // TODO Track the selector locations in a way that is accessible here |
2602 | // to improve the diagnostic location. |
2603 | Diag(Loc, diag::warn_unknown_declare_variant_isa_trait) << ISATrait; |
2604 | }; |
2605 | TargetOMPContext OMPCtx(ASTContext, std::move(DiagUnknownTrait), |
2606 | /* CurrentFunctionDecl */ nullptr, |
2607 | ArrayRef<llvm::omp::TraitProperty>()); |
2608 | |
2609 | // A single match is returned for OpenMP 5.0 |
2610 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); |
2611 | |
2612 | int Idx = 0; |
2613 | // In OpenMP 5.0 metadirective is either replaced by another directive or |
2614 | // ignored. |
2615 | // TODO: In OpenMP 5.1 generate multiple directives based upon the matches |
2616 | // found by getBestWhenMatchForContext. |
2617 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2618 | // OpenMP 5.0 implementation - Skip to the best index found. |
2619 | if (Idx++ != BestIdx) { |
2620 | ConsumeToken(); // Consume clause name |
2621 | T.consumeOpen(); // Consume '(' |
2622 | int paren = 0; |
2623 | // Skip everything inside the clause |
2624 | while (Tok.isNot(tok::r_paren) || paren != 0) { |
2625 | if (Tok.is(tok::l_paren)) |
2626 | paren++; |
2627 | if (Tok.is(tok::r_paren)) |
2628 | paren--; |
2629 | ConsumeAnyToken(); |
2630 | } |
2631 | // Parse ')' |
2632 | if (Tok.is(tok::r_paren)) |
2633 | T.consumeClose(); |
2634 | continue; |
2635 | } |
2636 | |
2637 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2638 | ? OMPC_unknown |
2639 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2640 | SourceLocation Loc = ConsumeToken(); |
2641 | |
2642 | // Parse '('. |
2643 | T.consumeOpen(); |
2644 | |
2645 | // Skip ContextSelectors for when clause |
2646 | if (CKind == OMPC_when) { |
2647 | OMPTraitInfo &TI = Actions.getASTContext().getNewOMPTraitInfo(); |
2648 | // parse and skip the ContextSelectors |
2649 | parseOMPContextSelectors(Loc, TI); |
2650 | |
2651 | // Parse ':' |
2652 | ConsumeAnyToken(); |
2653 | } |
2654 | |
2655 | // If no directive is passed, skip in OpenMP 5.0. |
2656 | // TODO: Generate nothing directive from OpenMP 5.1. |
2657 | if (Tok.is(tok::r_paren)) { |
2658 | SkipUntil(tok::annot_pragma_openmp_end); |
2659 | break; |
2660 | } |
2661 | |
2662 | // Parse Directive |
2663 | Directive = ParseOpenMPDeclarativeOrExecutableDirective( |
2664 | StmtCtx, |
2665 | /*ReadDirectiveWithinMetadirective=*/true); |
2666 | break; |
2667 | } |
2668 | break; |
2669 | } |
2670 | case OMPD_threadprivate: { |
2671 | // FIXME: Should this be permitted in C++? |
2672 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2673 | ParsedStmtContext()) { |
2674 | Diag(Tok, diag::err_omp_immediate_directive) |
2675 | << getOpenMPDirectiveName(DKind) << 0; |
2676 | } |
2677 | ConsumeToken(); |
2678 | DeclDirectiveListParserHelper Helper(this, DKind); |
2679 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2680 | /*AllowScopeSpecifier=*/false)) { |
2681 | skipUntilPragmaOpenMPEnd(DKind); |
2682 | DeclGroupPtrTy Res = Actions.ActOnOpenMPThreadprivateDirective( |
2683 | Loc, Helper.getIdentifiers()); |
2684 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2685 | } |
2686 | SkipUntil(tok::annot_pragma_openmp_end); |
2687 | break; |
2688 | } |
2689 | case OMPD_allocate: { |
2690 | // FIXME: Should this be permitted in C++? |
2691 | if ((StmtCtx & ParsedStmtContext::AllowDeclarationsInC) == |
2692 | ParsedStmtContext()) { |
2693 | Diag(Tok, diag::err_omp_immediate_directive) |
2694 | << getOpenMPDirectiveName(DKind) << 0; |
2695 | } |
2696 | ConsumeToken(); |
2697 | DeclDirectiveListParserHelper Helper(this, DKind); |
2698 | if (!ParseOpenMPSimpleVarList(DKind, Helper, |
2699 | /*AllowScopeSpecifier=*/false)) { |
2700 | SmallVector<OMPClause *, 1> Clauses; |
2701 | if (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2702 | SmallVector<llvm::PointerIntPair<OMPClause *, 1, bool>, |
2703 | llvm::omp::Clause_enumSize + 1> |
2704 | FirstClauses(llvm::omp::Clause_enumSize + 1); |
2705 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2706 | OpenMPClauseKind CKind = |
2707 | Tok.isAnnotation() ? OMPC_unknown |
2708 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2709 | Actions.StartOpenMPClause(CKind); |
2710 | OMPClause *Clause = ParseOpenMPClause( |
2711 | OMPD_allocate, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2712 | SkipUntil(tok::comma, tok::identifier, tok::annot_pragma_openmp_end, |
2713 | StopBeforeMatch); |
2714 | FirstClauses[unsigned(CKind)].setInt(true); |
2715 | if (Clause != nullptr) |
2716 | Clauses.push_back(Clause); |
2717 | if (Tok.is(tok::annot_pragma_openmp_end)) { |
2718 | Actions.EndOpenMPClause(); |
2719 | break; |
2720 | } |
2721 | // Skip ',' if any. |
2722 | if (Tok.is(tok::comma)) |
2723 | ConsumeToken(); |
2724 | Actions.EndOpenMPClause(); |
2725 | } |
2726 | skipUntilPragmaOpenMPEnd(DKind); |
2727 | } |
2728 | DeclGroupPtrTy Res = Actions.ActOnOpenMPAllocateDirective( |
2729 | Loc, Helper.getIdentifiers(), Clauses); |
2730 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2731 | } |
2732 | SkipUntil(tok::annot_pragma_openmp_end); |
2733 | break; |
2734 | } |
2735 | case OMPD_declare_reduction: |
2736 | ConsumeToken(); |
2737 | if (DeclGroupPtrTy Res = |
2738 | ParseOpenMPDeclareReductionDirective(/*AS=*/AS_none)) { |
2739 | skipUntilPragmaOpenMPEnd(OMPD_declare_reduction); |
2740 | ConsumeAnyToken(); |
2741 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2742 | } else { |
2743 | SkipUntil(tok::annot_pragma_openmp_end); |
2744 | } |
2745 | break; |
2746 | case OMPD_declare_mapper: { |
2747 | ConsumeToken(); |
2748 | if (DeclGroupPtrTy Res = |
2749 | ParseOpenMPDeclareMapperDirective(/*AS=*/AS_none)) { |
2750 | // Skip the last annot_pragma_openmp_end. |
2751 | ConsumeAnnotationToken(); |
2752 | Directive = Actions.ActOnDeclStmt(Res, Loc, Tok.getLocation()); |
2753 | } else { |
2754 | SkipUntil(tok::annot_pragma_openmp_end); |
2755 | } |
2756 | break; |
2757 | } |
2758 | case OMPD_flush: |
2759 | case OMPD_depobj: |
2760 | case OMPD_scan: |
2761 | case OMPD_taskyield: |
2762 | case OMPD_error: |
2763 | case OMPD_barrier: |
2764 | case OMPD_taskwait: |
2765 | case OMPD_cancellation_point: |
2766 | case OMPD_cancel: |
2767 | case OMPD_target_enter_data: |
2768 | case OMPD_target_exit_data: |
2769 | case OMPD_target_update: |
2770 | case OMPD_interop: |
2771 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2772 | ParsedStmtContext()) { |
2773 | Diag(Tok, diag::err_omp_immediate_directive) |
2774 | << getOpenMPDirectiveName(DKind) << 0; |
2775 | if (DKind == OMPD_error) { |
2776 | SkipUntil(tok::annot_pragma_openmp_end); |
2777 | break; |
2778 | } |
2779 | } |
2780 | HasAssociatedStatement = false; |
2781 | // Fall through for further analysis. |
2782 | [[fallthrough]]; |
2783 | case OMPD_parallel: |
2784 | case OMPD_simd: |
2785 | case OMPD_tile: |
2786 | case OMPD_unroll: |
2787 | case OMPD_for: |
2788 | case OMPD_for_simd: |
2789 | case OMPD_sections: |
2790 | case OMPD_single: |
2791 | case OMPD_section: |
2792 | case OMPD_master: |
2793 | case OMPD_critical: |
2794 | case OMPD_parallel_for: |
2795 | case OMPD_parallel_for_simd: |
2796 | case OMPD_parallel_sections: |
2797 | case OMPD_parallel_master: |
2798 | case OMPD_parallel_masked: |
2799 | case OMPD_task: |
2800 | case OMPD_ordered: |
2801 | case OMPD_atomic: |
2802 | case OMPD_target: |
2803 | case OMPD_teams: |
2804 | case OMPD_taskgroup: |
2805 | case OMPD_target_data: |
2806 | case OMPD_target_parallel: |
2807 | case OMPD_target_parallel_for: |
2808 | case OMPD_loop: |
2809 | case OMPD_teams_loop: |
2810 | case OMPD_target_teams_loop: |
2811 | case OMPD_parallel_loop: |
2812 | case OMPD_target_parallel_loop: |
2813 | case OMPD_taskloop: |
2814 | case OMPD_taskloop_simd: |
2815 | case OMPD_master_taskloop: |
2816 | case OMPD_masked_taskloop: |
2817 | case OMPD_master_taskloop_simd: |
2818 | case OMPD_masked_taskloop_simd: |
2819 | case OMPD_parallel_master_taskloop: |
2820 | case OMPD_parallel_masked_taskloop: |
2821 | case OMPD_parallel_master_taskloop_simd: |
2822 | case OMPD_parallel_masked_taskloop_simd: |
2823 | case OMPD_distribute: |
2824 | case OMPD_distribute_parallel_for: |
2825 | case OMPD_distribute_parallel_for_simd: |
2826 | case OMPD_distribute_simd: |
2827 | case OMPD_target_parallel_for_simd: |
2828 | case OMPD_target_simd: |
2829 | case OMPD_teams_distribute: |
2830 | case OMPD_teams_distribute_simd: |
2831 | case OMPD_teams_distribute_parallel_for_simd: |
2832 | case OMPD_teams_distribute_parallel_for: |
2833 | case OMPD_target_teams: |
2834 | case OMPD_target_teams_distribute: |
2835 | case OMPD_target_teams_distribute_parallel_for: |
2836 | case OMPD_target_teams_distribute_parallel_for_simd: |
2837 | case OMPD_target_teams_distribute_simd: |
2838 | case OMPD_dispatch: |
2839 | case OMPD_masked: { |
2840 | // Special processing for flush and depobj clauses. |
2841 | Token ImplicitTok; |
2842 | bool ImplicitClauseAllowed = false; |
2843 | if (DKind == OMPD_flush || DKind == OMPD_depobj) { |
2844 | ImplicitTok = Tok; |
2845 | ImplicitClauseAllowed = true; |
2846 | } |
2847 | ConsumeToken(); |
2848 | // Parse directive name of the 'critical' directive if any. |
2849 | if (DKind == OMPD_critical) { |
2850 | BalancedDelimiterTracker T(*this, tok::l_paren, |
2851 | tok::annot_pragma_openmp_end); |
2852 | if (!T.consumeOpen()) { |
2853 | if (Tok.isAnyIdentifier()) { |
2854 | DirName = |
2855 | DeclarationNameInfo(Tok.getIdentifierInfo(), Tok.getLocation()); |
2856 | ConsumeAnyToken(); |
2857 | } else { |
2858 | Diag(Tok, diag::err_omp_expected_identifier_for_critical); |
2859 | } |
2860 | T.consumeClose(); |
2861 | } |
2862 | } else if (DKind == OMPD_cancellation_point || DKind == OMPD_cancel) { |
2863 | CancelRegion = parseOpenMPDirectiveKind(*this); |
2864 | if (Tok.isNot(tok::annot_pragma_openmp_end)) |
2865 | ConsumeToken(); |
2866 | } |
2867 | |
2868 | if (isOpenMPLoopDirective(DKind)) |
2869 | ScopeFlags |= Scope::OpenMPLoopDirectiveScope; |
2870 | if (isOpenMPSimdDirective(DKind)) |
2871 | ScopeFlags |= Scope::OpenMPSimdDirectiveScope; |
2872 | ParseScope OMPDirectiveScope(this, ScopeFlags); |
2873 | Actions.StartOpenMPDSABlock(DKind, DirName, Actions.getCurScope(), Loc); |
2874 | |
2875 | while (Tok.isNot(tok::annot_pragma_openmp_end)) { |
2876 | // If we are parsing for a directive within a metadirective, the directive |
2877 | // ends with a ')'. |
2878 | if (ReadDirectiveWithinMetadirective && Tok.is(tok::r_paren)) { |
2879 | while (Tok.isNot(tok::annot_pragma_openmp_end)) |
2880 | ConsumeAnyToken(); |
2881 | break; |
2882 | } |
2883 | bool HasImplicitClause = false; |
2884 | if (ImplicitClauseAllowed && Tok.is(tok::l_paren)) { |
2885 | HasImplicitClause = true; |
2886 | // Push copy of the current token back to stream to properly parse |
2887 | // pseudo-clause OMPFlushClause or OMPDepobjClause. |
2888 | PP.EnterToken(Tok, /*IsReinject*/ true); |
2889 | PP.EnterToken(ImplicitTok, /*IsReinject*/ true); |
2890 | ConsumeAnyToken(); |
2891 | } |
2892 | OpenMPClauseKind CKind = Tok.isAnnotation() |
2893 | ? OMPC_unknown |
2894 | : getOpenMPClauseKind(PP.getSpelling(Tok)); |
2895 | if (HasImplicitClause) { |
2896 | assert(CKind == OMPC_unknown && "Must be unknown implicit clause.")(static_cast <bool> (CKind == OMPC_unknown && "Must be unknown implicit clause." ) ? void (0) : __assert_fail ("CKind == OMPC_unknown && \"Must be unknown implicit clause.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2896, __extension__ __PRETTY_FUNCTION__ )); |
2897 | if (DKind == OMPD_flush) { |
2898 | CKind = OMPC_flush; |
2899 | } else { |
2900 | assert(DKind == OMPD_depobj &&(static_cast <bool> (DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? void (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2901, __extension__ __PRETTY_FUNCTION__ )) |
2901 | "Expected flush or depobj directives.")(static_cast <bool> (DKind == OMPD_depobj && "Expected flush or depobj directives." ) ? void (0) : __assert_fail ("DKind == OMPD_depobj && \"Expected flush or depobj directives.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 2901, __extension__ __PRETTY_FUNCTION__ )); |
2902 | CKind = OMPC_depobj; |
2903 | } |
2904 | } |
2905 | // No more implicit clauses allowed. |
2906 | ImplicitClauseAllowed = false; |
2907 | Actions.StartOpenMPClause(CKind); |
2908 | HasImplicitClause = false; |
Value stored to 'HasImplicitClause' is never read | |
2909 | OMPClause *Clause = ParseOpenMPClause( |
2910 | DKind, CKind, !FirstClauses[unsigned(CKind)].getInt()); |
2911 | FirstClauses[unsigned(CKind)].setInt(true); |
2912 | if (Clause) { |
2913 | FirstClauses[unsigned(CKind)].setPointer(Clause); |
2914 | Clauses.push_back(Clause); |
2915 | } |
2916 | |
2917 | // Skip ',' if any. |
2918 | if (Tok.is(tok::comma)) |
2919 | ConsumeToken(); |
2920 | Actions.EndOpenMPClause(); |
2921 | } |
2922 | // End location of the directive. |
2923 | EndLoc = Tok.getLocation(); |
2924 | // Consume final annot_pragma_openmp_end. |
2925 | ConsumeAnnotationToken(); |
2926 | |
2927 | // OpenMP [2.13.8, ordered Construct, Syntax] |
2928 | // If the depend clause is specified, the ordered construct is a stand-alone |
2929 | // directive. |
2930 | if (DKind == OMPD_ordered && FirstClauses[unsigned(OMPC_depend)].getInt()) { |
2931 | if ((StmtCtx & ParsedStmtContext::AllowStandaloneOpenMPDirectives) == |
2932 | ParsedStmtContext()) { |
2933 | Diag(Loc, diag::err_omp_immediate_directive) |
2934 | << getOpenMPDirectiveName(DKind) << 1 |
2935 | << getOpenMPClauseName(OMPC_depend); |
2936 | } |
2937 | HasAssociatedStatement = false; |
2938 | } |
2939 | |
2940 | if (DKind == OMPD_tile && !FirstClauses[unsigned(OMPC_sizes)].getInt()) { |
2941 | Diag(Loc, diag::err_omp_required_clause) |
2942 | << getOpenMPDirectiveName(OMPD_tile) << "sizes"; |
2943 | } |
2944 | |
2945 | StmtResult AssociatedStmt; |
2946 | if (HasAssociatedStatement) { |
2947 | // The body is a block scope like in Lambdas and Blocks. |
2948 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2949 | // FIXME: We create a bogus CompoundStmt scope to hold the contents of |
2950 | // the captured region. Code elsewhere assumes that any FunctionScopeInfo |
2951 | // should have at least one compound statement scope within it. |
2952 | ParsingOpenMPDirectiveRAII NormalScope(*this, /*Value=*/false); |
2953 | { |
2954 | Sema::CompoundScopeRAII Scope(Actions); |
2955 | AssociatedStmt = ParseStatement(); |
2956 | |
2957 | if (AssociatedStmt.isUsable() && isOpenMPLoopDirective(DKind) && |
2958 | getLangOpts().OpenMPIRBuilder) |
2959 | AssociatedStmt = Actions.ActOnOpenMPLoopnest(AssociatedStmt.get()); |
2960 | } |
2961 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2962 | } else if (DKind == OMPD_target_update || DKind == OMPD_target_enter_data || |
2963 | DKind == OMPD_target_exit_data) { |
2964 | Actions.ActOnOpenMPRegionStart(DKind, getCurScope()); |
2965 | AssociatedStmt = (Sema::CompoundScopeRAII(Actions), |
2966 | Actions.ActOnCompoundStmt(Loc, Loc, std::nullopt, |
2967 | /*isStmtExpr=*/false)); |
2968 | AssociatedStmt = Actions.ActOnOpenMPRegionEnd(AssociatedStmt, Clauses); |
2969 | } |
2970 | Directive = Actions.ActOnOpenMPExecutableDirective( |
2971 | DKind, DirName, CancelRegion, Clauses, AssociatedStmt.get(), Loc, |
2972 | EndLoc); |
2973 | |
2974 | // Exit scope. |
2975 | Actions.EndOpenMPDSABlock(Directive.get()); |
2976 | OMPDirectiveScope.Exit(); |
2977 | break; |
2978 | } |
2979 | case OMPD_declare_simd: |
2980 | case OMPD_declare_target: |
2981 | case OMPD_begin_declare_target: |
2982 | case OMPD_end_declare_target: |
2983 | case OMPD_requires: |
2984 | case OMPD_begin_declare_variant: |
2985 | case OMPD_end_declare_variant: |
2986 | case OMPD_declare_variant: |
2987 | Diag(Tok, diag::err_omp_unexpected_directive) |
2988 | << 1 << getOpenMPDirectiveName(DKind); |
2989 | SkipUntil(tok::annot_pragma_openmp_end); |
2990 | break; |
2991 | case OMPD_unknown: |
2992 | default: |
2993 | Diag(Tok, diag::err_omp_unknown_directive); |
2994 | SkipUntil(tok::annot_pragma_openmp_end); |
2995 | break; |
2996 | } |
2997 | return Directive; |
2998 | } |
2999 | |
3000 | // Parses simple list: |
3001 | // simple-variable-list: |
3002 | // '(' id-expression {, id-expression} ')' |
3003 | // |
3004 | bool Parser::ParseOpenMPSimpleVarList( |
3005 | OpenMPDirectiveKind Kind, |
3006 | const llvm::function_ref<void(CXXScopeSpec &, DeclarationNameInfo)> |
3007 | &Callback, |
3008 | bool AllowScopeSpecifier) { |
3009 | // Parse '('. |
3010 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3011 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3012 | getOpenMPDirectiveName(Kind).data())) |
3013 | return true; |
3014 | bool IsCorrect = true; |
3015 | bool NoIdentIsFound = true; |
3016 | |
3017 | // Read tokens while ')' or annot_pragma_openmp_end is not found. |
3018 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
3019 | CXXScopeSpec SS; |
3020 | UnqualifiedId Name; |
3021 | // Read var name. |
3022 | Token PrevTok = Tok; |
3023 | NoIdentIsFound = false; |
3024 | |
3025 | if (AllowScopeSpecifier && getLangOpts().CPlusPlus && |
3026 | ParseOptionalCXXScopeSpecifier(SS, /*ObjectType=*/nullptr, |
3027 | /*ObjectHasErrors=*/false, false)) { |
3028 | IsCorrect = false; |
3029 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3030 | StopBeforeMatch); |
3031 | } else if (ParseUnqualifiedId(SS, /*ObjectType=*/nullptr, |
3032 | /*ObjectHadErrors=*/false, false, false, |
3033 | false, false, nullptr, Name)) { |
3034 | IsCorrect = false; |
3035 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3036 | StopBeforeMatch); |
3037 | } else if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren) && |
3038 | Tok.isNot(tok::annot_pragma_openmp_end)) { |
3039 | IsCorrect = false; |
3040 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3041 | StopBeforeMatch); |
3042 | Diag(PrevTok.getLocation(), diag::err_expected) |
3043 | << tok::identifier |
3044 | << SourceRange(PrevTok.getLocation(), PrevTokLocation); |
3045 | } else { |
3046 | Callback(SS, Actions.GetNameFromUnqualifiedId(Name)); |
3047 | } |
3048 | // Consume ','. |
3049 | if (Tok.is(tok::comma)) { |
3050 | ConsumeToken(); |
3051 | } |
3052 | } |
3053 | |
3054 | if (NoIdentIsFound) { |
3055 | Diag(Tok, diag::err_expected) << tok::identifier; |
3056 | IsCorrect = false; |
3057 | } |
3058 | |
3059 | // Parse ')'. |
3060 | IsCorrect = !T.consumeClose() && IsCorrect; |
3061 | |
3062 | return !IsCorrect; |
3063 | } |
3064 | |
3065 | OMPClause *Parser::ParseOpenMPSizesClause() { |
3066 | SourceLocation ClauseNameLoc = ConsumeToken(); |
3067 | SmallVector<Expr *, 4> ValExprs; |
3068 | |
3069 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3070 | if (T.consumeOpen()) { |
3071 | Diag(Tok, diag::err_expected) << tok::l_paren; |
3072 | return nullptr; |
3073 | } |
3074 | |
3075 | while (true) { |
3076 | ExprResult Val = ParseConstantExpression(); |
3077 | if (!Val.isUsable()) { |
3078 | T.skipToEnd(); |
3079 | return nullptr; |
3080 | } |
3081 | |
3082 | ValExprs.push_back(Val.get()); |
3083 | |
3084 | if (Tok.is(tok::r_paren) || Tok.is(tok::annot_pragma_openmp_end)) |
3085 | break; |
3086 | |
3087 | ExpectAndConsume(tok::comma); |
3088 | } |
3089 | |
3090 | T.consumeClose(); |
3091 | |
3092 | return Actions.ActOnOpenMPSizesClause( |
3093 | ValExprs, ClauseNameLoc, T.getOpenLocation(), T.getCloseLocation()); |
3094 | } |
3095 | |
3096 | OMPClause *Parser::ParseOpenMPUsesAllocatorClause(OpenMPDirectiveKind DKind) { |
3097 | SourceLocation Loc = Tok.getLocation(); |
3098 | ConsumeAnyToken(); |
3099 | |
3100 | // Parse '('. |
3101 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3102 | if (T.expectAndConsume(diag::err_expected_lparen_after, "uses_allocator")) |
3103 | return nullptr; |
3104 | SmallVector<Sema::UsesAllocatorsData, 4> Data; |
3105 | do { |
3106 | ExprResult Allocator = |
3107 | getLangOpts().CPlusPlus ? ParseCXXIdExpression() : ParseExpression(); |
3108 | if (Allocator.isInvalid()) { |
3109 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3110 | StopBeforeMatch); |
3111 | break; |
3112 | } |
3113 | Sema::UsesAllocatorsData &D = Data.emplace_back(); |
3114 | D.Allocator = Allocator.get(); |
3115 | if (Tok.is(tok::l_paren)) { |
3116 | BalancedDelimiterTracker T(*this, tok::l_paren, |
3117 | tok::annot_pragma_openmp_end); |
3118 | T.consumeOpen(); |
3119 | ExprResult AllocatorTraits = |
3120 | getLangOpts().CPlusPlus ? ParseCXXIdExpression() : ParseExpression(); |
3121 | T.consumeClose(); |
3122 | if (AllocatorTraits.isInvalid()) { |
3123 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3124 | StopBeforeMatch); |
3125 | break; |
3126 | } |
3127 | D.AllocatorTraits = AllocatorTraits.get(); |
3128 | D.LParenLoc = T.getOpenLocation(); |
3129 | D.RParenLoc = T.getCloseLocation(); |
3130 | } |
3131 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
3132 | Diag(Tok, diag::err_omp_expected_punc) << "uses_allocators" << 0; |
3133 | // Parse ',' |
3134 | if (Tok.is(tok::comma)) |
3135 | ConsumeAnyToken(); |
3136 | } while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)); |
3137 | T.consumeClose(); |
3138 | return Actions.ActOnOpenMPUsesAllocatorClause(Loc, T.getOpenLocation(), |
3139 | T.getCloseLocation(), Data); |
3140 | } |
3141 | |
3142 | /// Parsing of OpenMP clauses. |
3143 | /// |
3144 | /// clause: |
3145 | /// if-clause | final-clause | num_threads-clause | safelen-clause | |
3146 | /// default-clause | private-clause | firstprivate-clause | shared-clause |
3147 | /// | linear-clause | aligned-clause | collapse-clause | bind-clause | |
3148 | /// lastprivate-clause | reduction-clause | proc_bind-clause | |
3149 | /// schedule-clause | copyin-clause | copyprivate-clause | untied-clause | |
3150 | /// mergeable-clause | flush-clause | read-clause | write-clause | |
3151 | /// update-clause | capture-clause | seq_cst-clause | device-clause | |
3152 | /// simdlen-clause | threads-clause | simd-clause | num_teams-clause | |
3153 | /// thread_limit-clause | priority-clause | grainsize-clause | |
3154 | /// nogroup-clause | num_tasks-clause | hint-clause | to-clause | |
3155 | /// from-clause | is_device_ptr-clause | task_reduction-clause | |
3156 | /// in_reduction-clause | allocator-clause | allocate-clause | |
3157 | /// acq_rel-clause | acquire-clause | release-clause | relaxed-clause | |
3158 | /// depobj-clause | destroy-clause | detach-clause | inclusive-clause | |
3159 | /// exclusive-clause | uses_allocators-clause | use_device_addr-clause | |
3160 | /// has_device_addr |
3161 | /// |
3162 | OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind, |
3163 | OpenMPClauseKind CKind, bool FirstClause) { |
3164 | OMPClauseKind = CKind; |
3165 | OMPClause *Clause = nullptr; |
3166 | bool ErrorFound = false; |
3167 | bool WrongDirective = false; |
3168 | // Check if clause is allowed for the given directive. |
3169 | if (CKind != OMPC_unknown && |
3170 | !isAllowedClauseForDirective(DKind, CKind, getLangOpts().OpenMP)) { |
3171 | Diag(Tok, diag::err_omp_unexpected_clause) |
3172 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
3173 | ErrorFound = true; |
3174 | WrongDirective = true; |
3175 | } |
3176 | |
3177 | switch (CKind) { |
3178 | case OMPC_final: |
3179 | case OMPC_num_threads: |
3180 | case OMPC_safelen: |
3181 | case OMPC_simdlen: |
3182 | case OMPC_collapse: |
3183 | case OMPC_ordered: |
3184 | case OMPC_num_teams: |
3185 | case OMPC_thread_limit: |
3186 | case OMPC_priority: |
3187 | case OMPC_grainsize: |
3188 | case OMPC_num_tasks: |
3189 | case OMPC_hint: |
3190 | case OMPC_allocator: |
3191 | case OMPC_depobj: |
3192 | case OMPC_detach: |
3193 | case OMPC_novariants: |
3194 | case OMPC_nocontext: |
3195 | case OMPC_filter: |
3196 | case OMPC_partial: |
3197 | case OMPC_align: |
3198 | case OMPC_message: |
3199 | case OMPC_ompx_dyn_cgroup_mem: |
3200 | // OpenMP [2.5, Restrictions] |
3201 | // At most one num_threads clause can appear on the directive. |
3202 | // OpenMP [2.8.1, simd construct, Restrictions] |
3203 | // Only one safelen clause can appear on a simd directive. |
3204 | // Only one simdlen clause can appear on a simd directive. |
3205 | // Only one collapse clause can appear on a simd directive. |
3206 | // OpenMP [2.11.1, task Construct, Restrictions] |
3207 | // At most one if clause can appear on the directive. |
3208 | // At most one final clause can appear on the directive. |
3209 | // OpenMP [teams Construct, Restrictions] |
3210 | // At most one num_teams clause can appear on the directive. |
3211 | // At most one thread_limit clause can appear on the directive. |
3212 | // OpenMP [2.9.1, task Construct, Restrictions] |
3213 | // At most one priority clause can appear on the directive. |
3214 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
3215 | // At most one grainsize clause can appear on the directive. |
3216 | // OpenMP [2.9.2, taskloop Construct, Restrictions] |
3217 | // At most one num_tasks clause can appear on the directive. |
3218 | // OpenMP [2.11.3, allocate Directive, Restrictions] |
3219 | // At most one allocator clause can appear on the directive. |
3220 | // OpenMP 5.0, 2.10.1 task Construct, Restrictions. |
3221 | // At most one detach clause can appear on the directive. |
3222 | // OpenMP 5.1, 2.3.6 dispatch Construct, Restrictions. |
3223 | // At most one novariants clause can appear on a dispatch directive. |
3224 | // At most one nocontext clause can appear on a dispatch directive. |
3225 | // OpenMP [5.1, error directive, Restrictions] |
3226 | // At most one message clause can appear on the directive |
3227 | if (!FirstClause) { |
3228 | Diag(Tok, diag::err_omp_more_one_clause) |
3229 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3230 | ErrorFound = true; |
3231 | } |
3232 | |
3233 | if ((CKind == OMPC_ordered || CKind == OMPC_partial) && |
3234 | PP.LookAhead(/*N=*/0).isNot(tok::l_paren)) |
3235 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3236 | else if (CKind == OMPC_grainsize || CKind == OMPC_num_tasks) |
3237 | Clause = ParseOpenMPSingleExprWithArgClause(DKind, CKind, WrongDirective); |
3238 | else |
3239 | Clause = ParseOpenMPSingleExprClause(CKind, WrongDirective); |
3240 | break; |
3241 | case OMPC_default: |
3242 | case OMPC_proc_bind: |
3243 | case OMPC_atomic_default_mem_order: |
3244 | case OMPC_at: |
3245 | case OMPC_severity: |
3246 | case OMPC_bind: |
3247 | // OpenMP [2.14.3.1, Restrictions] |
3248 | // Only a single default clause may be specified on a parallel, task or |
3249 | // teams directive. |
3250 | // OpenMP [2.5, parallel Construct, Restrictions] |
3251 | // At most one proc_bind clause can appear on the directive. |
3252 | // OpenMP [5.0, Requires directive, Restrictions] |
3253 | // At most one atomic_default_mem_order clause can appear |
3254 | // on the directive |
3255 | // OpenMP [5.1, error directive, Restrictions] |
3256 | // At most one at clause can appear on the directive |
3257 | // At most one severity clause can appear on the directive |
3258 | // OpenMP 5.1, 2.11.7 loop Construct, Restrictions. |
3259 | // At most one bind clause can appear on a loop directive. |
3260 | if (!FirstClause) { |
3261 | Diag(Tok, diag::err_omp_more_one_clause) |
3262 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3263 | ErrorFound = true; |
3264 | } |
3265 | |
3266 | Clause = ParseOpenMPSimpleClause(CKind, WrongDirective); |
3267 | break; |
3268 | case OMPC_device: |
3269 | case OMPC_schedule: |
3270 | case OMPC_dist_schedule: |
3271 | case OMPC_defaultmap: |
3272 | case OMPC_order: |
3273 | // OpenMP [2.7.1, Restrictions, p. 3] |
3274 | // Only one schedule clause can appear on a loop directive. |
3275 | // OpenMP 4.5 [2.10.4, Restrictions, p. 106] |
3276 | // At most one defaultmap clause can appear on the directive. |
3277 | // OpenMP 5.0 [2.12.5, target construct, Restrictions] |
3278 | // At most one device clause can appear on the directive. |
3279 | // OpenMP 5.1 [2.11.3, order clause, Restrictions] |
3280 | // At most one order clause may appear on a construct. |
3281 | if ((getLangOpts().OpenMP < 50 || CKind != OMPC_defaultmap) && |
3282 | (CKind != OMPC_order || getLangOpts().OpenMP >= 51) && !FirstClause) { |
3283 | Diag(Tok, diag::err_omp_more_one_clause) |
3284 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3285 | ErrorFound = true; |
3286 | } |
3287 | [[fallthrough]]; |
3288 | case OMPC_if: |
3289 | Clause = ParseOpenMPSingleExprWithArgClause(DKind, CKind, WrongDirective); |
3290 | break; |
3291 | case OMPC_nowait: |
3292 | case OMPC_untied: |
3293 | case OMPC_mergeable: |
3294 | case OMPC_read: |
3295 | case OMPC_write: |
3296 | case OMPC_capture: |
3297 | case OMPC_compare: |
3298 | case OMPC_seq_cst: |
3299 | case OMPC_acq_rel: |
3300 | case OMPC_acquire: |
3301 | case OMPC_release: |
3302 | case OMPC_relaxed: |
3303 | case OMPC_threads: |
3304 | case OMPC_simd: |
3305 | case OMPC_nogroup: |
3306 | case OMPC_unified_address: |
3307 | case OMPC_unified_shared_memory: |
3308 | case OMPC_reverse_offload: |
3309 | case OMPC_dynamic_allocators: |
3310 | case OMPC_full: |
3311 | // OpenMP [2.7.1, Restrictions, p. 9] |
3312 | // Only one ordered clause can appear on a loop directive. |
3313 | // OpenMP [2.7.1, Restrictions, C/C++, p. 4] |
3314 | // Only one nowait clause can appear on a for directive. |
3315 | // OpenMP [5.0, Requires directive, Restrictions] |
3316 | // Each of the requires clauses can appear at most once on the directive. |
3317 | if (!FirstClause) { |
3318 | Diag(Tok, diag::err_omp_more_one_clause) |
3319 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3320 | ErrorFound = true; |
3321 | } |
3322 | |
3323 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3324 | break; |
3325 | case OMPC_update: |
3326 | if (!FirstClause) { |
3327 | Diag(Tok, diag::err_omp_more_one_clause) |
3328 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3329 | ErrorFound = true; |
3330 | } |
3331 | |
3332 | Clause = (DKind == OMPD_depobj) |
3333 | ? ParseOpenMPSimpleClause(CKind, WrongDirective) |
3334 | : ParseOpenMPClause(CKind, WrongDirective); |
3335 | break; |
3336 | case OMPC_private: |
3337 | case OMPC_firstprivate: |
3338 | case OMPC_lastprivate: |
3339 | case OMPC_shared: |
3340 | case OMPC_reduction: |
3341 | case OMPC_task_reduction: |
3342 | case OMPC_in_reduction: |
3343 | case OMPC_linear: |
3344 | case OMPC_aligned: |
3345 | case OMPC_copyin: |
3346 | case OMPC_copyprivate: |
3347 | case OMPC_flush: |
3348 | case OMPC_depend: |
3349 | case OMPC_map: |
3350 | case OMPC_to: |
3351 | case OMPC_from: |
3352 | case OMPC_use_device_ptr: |
3353 | case OMPC_use_device_addr: |
3354 | case OMPC_is_device_ptr: |
3355 | case OMPC_has_device_addr: |
3356 | case OMPC_allocate: |
3357 | case OMPC_nontemporal: |
3358 | case OMPC_inclusive: |
3359 | case OMPC_exclusive: |
3360 | case OMPC_affinity: |
3361 | Clause = ParseOpenMPVarListClause(DKind, CKind, WrongDirective); |
3362 | break; |
3363 | case OMPC_sizes: |
3364 | if (!FirstClause) { |
3365 | Diag(Tok, diag::err_omp_more_one_clause) |
3366 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3367 | ErrorFound = true; |
3368 | } |
3369 | |
3370 | Clause = ParseOpenMPSizesClause(); |
3371 | break; |
3372 | case OMPC_uses_allocators: |
3373 | Clause = ParseOpenMPUsesAllocatorClause(DKind); |
3374 | break; |
3375 | case OMPC_destroy: |
3376 | if (DKind != OMPD_interop) { |
3377 | if (!FirstClause) { |
3378 | Diag(Tok, diag::err_omp_more_one_clause) |
3379 | << getOpenMPDirectiveName(DKind) << getOpenMPClauseName(CKind) << 0; |
3380 | ErrorFound = true; |
3381 | } |
3382 | Clause = ParseOpenMPClause(CKind, WrongDirective); |
3383 | break; |
3384 | } |
3385 | [[fallthrough]]; |
3386 | case OMPC_init: |
3387 | case OMPC_use: |
3388 | Clause = ParseOpenMPInteropClause(CKind, WrongDirective); |
3389 | break; |
3390 | case OMPC_device_type: |
3391 | case OMPC_unknown: |
3392 | skipUntilPragmaOpenMPEnd(DKind); |
3393 | break; |
3394 | case OMPC_threadprivate: |
3395 | case OMPC_uniform: |
3396 | case OMPC_match: |
3397 | if (!WrongDirective) |
3398 | Diag(Tok, diag::err_omp_unexpected_clause) |
3399 | << getOpenMPClauseName(CKind) << getOpenMPDirectiveName(DKind); |
3400 | SkipUntil(tok::comma, tok::annot_pragma_openmp_end, StopBeforeMatch); |
3401 | break; |
3402 | default: |
3403 | break; |
3404 | } |
3405 | return ErrorFound ? nullptr : Clause; |
3406 | } |
3407 | |
3408 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
3409 | /// constructs. |
3410 | /// \param RLoc Returned location of right paren. |
3411 | ExprResult Parser::ParseOpenMPParensExpr(StringRef ClauseName, |
3412 | SourceLocation &RLoc, |
3413 | bool IsAddressOfOperand) { |
3414 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3415 | if (T.expectAndConsume(diag::err_expected_lparen_after, ClauseName.data())) |
3416 | return ExprError(); |
3417 | |
3418 | SourceLocation ELoc = Tok.getLocation(); |
3419 | ExprResult LHS( |
3420 | ParseCastExpression(AnyCastExpr, IsAddressOfOperand, NotTypeCast)); |
3421 | ExprResult Val(ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3422 | Val = Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
3423 | |
3424 | // Parse ')'. |
3425 | RLoc = Tok.getLocation(); |
3426 | if (!T.consumeClose()) |
3427 | RLoc = T.getCloseLocation(); |
3428 | |
3429 | return Val; |
3430 | } |
3431 | |
3432 | /// Parsing of OpenMP clauses with single expressions like 'final', |
3433 | /// 'collapse', 'safelen', 'num_threads', 'simdlen', 'num_teams', |
3434 | /// 'thread_limit', 'simdlen', 'priority', 'grainsize', 'num_tasks', 'hint' or |
3435 | /// 'detach'. |
3436 | /// |
3437 | /// final-clause: |
3438 | /// 'final' '(' expression ')' |
3439 | /// |
3440 | /// num_threads-clause: |
3441 | /// 'num_threads' '(' expression ')' |
3442 | /// |
3443 | /// safelen-clause: |
3444 | /// 'safelen' '(' expression ')' |
3445 | /// |
3446 | /// simdlen-clause: |
3447 | /// 'simdlen' '(' expression ')' |
3448 | /// |
3449 | /// collapse-clause: |
3450 | /// 'collapse' '(' expression ')' |
3451 | /// |
3452 | /// priority-clause: |
3453 | /// 'priority' '(' expression ')' |
3454 | /// |
3455 | /// grainsize-clause: |
3456 | /// 'grainsize' '(' expression ')' |
3457 | /// |
3458 | /// num_tasks-clause: |
3459 | /// 'num_tasks' '(' expression ')' |
3460 | /// |
3461 | /// hint-clause: |
3462 | /// 'hint' '(' expression ')' |
3463 | /// |
3464 | /// allocator-clause: |
3465 | /// 'allocator' '(' expression ')' |
3466 | /// |
3467 | /// detach-clause: |
3468 | /// 'detach' '(' event-handler-expression ')' |
3469 | /// |
3470 | /// align-clause |
3471 | /// 'align' '(' positive-integer-constant ')' |
3472 | /// |
3473 | OMPClause *Parser::ParseOpenMPSingleExprClause(OpenMPClauseKind Kind, |
3474 | bool ParseOnly) { |
3475 | SourceLocation Loc = ConsumeToken(); |
3476 | SourceLocation LLoc = Tok.getLocation(); |
3477 | SourceLocation RLoc; |
3478 | |
3479 | ExprResult Val = ParseOpenMPParensExpr(getOpenMPClauseName(Kind), RLoc); |
3480 | |
3481 | if (Val.isInvalid()) |
3482 | return nullptr; |
3483 | |
3484 | if (ParseOnly) |
3485 | return nullptr; |
3486 | return Actions.ActOnOpenMPSingleExprClause(Kind, Val.get(), Loc, LLoc, RLoc); |
3487 | } |
3488 | |
3489 | /// Parse indirect clause for '#pragma omp declare target' directive. |
3490 | /// 'indirect' '[' '(' invoked-by-fptr ')' ']' |
3491 | /// where invoked-by-fptr is a constant boolean expression that evaluates to |
3492 | /// true or false at compile time. |
3493 | bool Parser::ParseOpenMPIndirectClause(Sema::DeclareTargetContextInfo &DTCI, |
3494 | bool ParseOnly) { |
3495 | SourceLocation Loc = ConsumeToken(); |
3496 | SourceLocation RLoc; |
3497 | |
3498 | if (Tok.isNot(tok::l_paren)) { |
3499 | if (ParseOnly) |
3500 | return false; |
3501 | DTCI.Indirect = nullptr; |
3502 | return true; |
3503 | } |
3504 | |
3505 | ExprResult Val = |
3506 | ParseOpenMPParensExpr(getOpenMPClauseName(OMPC_indirect), RLoc); |
3507 | if (Val.isInvalid()) |
3508 | return false; |
3509 | |
3510 | if (ParseOnly) |
3511 | return false; |
3512 | |
3513 | if (!Val.get()->isValueDependent() && !Val.get()->isTypeDependent() && |
3514 | !Val.get()->isInstantiationDependent() && |
3515 | !Val.get()->containsUnexpandedParameterPack()) { |
3516 | ExprResult Ret = Actions.CheckBooleanCondition(Loc, Val.get()); |
3517 | if (Ret.isInvalid()) |
3518 | return false; |
3519 | llvm::APSInt Result; |
3520 | Ret = Actions.VerifyIntegerConstantExpression(Val.get(), &Result, |
3521 | Sema::AllowFold); |
3522 | if (Ret.isInvalid()) |
3523 | return false; |
3524 | DTCI.Indirect = Val.get(); |
3525 | return true; |
3526 | } |
3527 | return false; |
3528 | } |
3529 | |
3530 | /// Parses a comma-separated list of interop-types and a prefer_type list. |
3531 | /// |
3532 | bool Parser::ParseOMPInteropInfo(OMPInteropInfo &InteropInfo, |
3533 | OpenMPClauseKind Kind) { |
3534 | const Token &Tok = getCurToken(); |
3535 | bool HasError = false; |
3536 | bool IsTarget = false; |
3537 | bool IsTargetSync = false; |
3538 | |
3539 | while (Tok.is(tok::identifier)) { |
3540 | // Currently prefer_type is only allowed with 'init' and it must be first. |
3541 | bool PreferTypeAllowed = Kind == OMPC_init && |
3542 | InteropInfo.PreferTypes.empty() && !IsTarget && |
3543 | !IsTargetSync; |
3544 | if (Tok.getIdentifierInfo()->isStr("target")) { |
3545 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] |
3546 | // Each interop-type may be specified on an action-clause at most |
3547 | // once. |
3548 | if (IsTarget) |
3549 | Diag(Tok, diag::warn_omp_more_one_interop_type) << "target"; |
3550 | IsTarget = true; |
3551 | ConsumeToken(); |
3552 | } else if (Tok.getIdentifierInfo()->isStr("targetsync")) { |
3553 | if (IsTargetSync) |
3554 | Diag(Tok, diag::warn_omp_more_one_interop_type) << "targetsync"; |
3555 | IsTargetSync = true; |
3556 | ConsumeToken(); |
3557 | } else if (Tok.getIdentifierInfo()->isStr("prefer_type") && |
3558 | PreferTypeAllowed) { |
3559 | ConsumeToken(); |
3560 | BalancedDelimiterTracker PT(*this, tok::l_paren, |
3561 | tok::annot_pragma_openmp_end); |
3562 | if (PT.expectAndConsume(diag::err_expected_lparen_after, "prefer_type")) |
3563 | HasError = true; |
3564 | |
3565 | while (Tok.isNot(tok::r_paren)) { |
3566 | SourceLocation Loc = Tok.getLocation(); |
3567 | ExprResult LHS = ParseCastExpression(AnyCastExpr); |
3568 | ExprResult PTExpr = Actions.CorrectDelayedTyposInExpr( |
3569 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
3570 | PTExpr = Actions.ActOnFinishFullExpr(PTExpr.get(), Loc, |
3571 | /*DiscardedValue=*/false); |
3572 | if (PTExpr.isUsable()) { |
3573 | InteropInfo.PreferTypes.push_back(PTExpr.get()); |
3574 | } else { |
3575 | HasError = true; |
3576 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3577 | StopBeforeMatch); |
3578 | } |
3579 | |
3580 | if (Tok.is(tok::comma)) |
3581 | ConsumeToken(); |
3582 | } |
3583 | PT.consumeClose(); |
3584 | } else { |
3585 | HasError = true; |
3586 | Diag(Tok, diag::err_omp_expected_interop_type); |
3587 | ConsumeToken(); |
3588 | } |
3589 | if (!Tok.is(tok::comma)) |
3590 | break; |
3591 | ConsumeToken(); |
3592 | } |
3593 | |
3594 | if (!HasError && !IsTarget && !IsTargetSync) { |
3595 | Diag(Tok, diag::err_omp_expected_interop_type); |
3596 | HasError = true; |
3597 | } |
3598 | |
3599 | if (Kind == OMPC_init) { |
3600 | if (Tok.isNot(tok::colon) && (IsTarget || IsTargetSync)) |
3601 | Diag(Tok, diag::warn_pragma_expected_colon) << "interop types"; |
3602 | if (Tok.is(tok::colon)) |
3603 | ConsumeToken(); |
3604 | } |
3605 | |
3606 | // As of OpenMP 5.1,there are two interop-types, "target" and |
3607 | // "targetsync". Either or both are allowed for a single interop. |
3608 | InteropInfo.IsTarget = IsTarget; |
3609 | InteropInfo.IsTargetSync = IsTargetSync; |
3610 | |
3611 | return HasError; |
3612 | } |
3613 | |
3614 | /// Parsing of OpenMP clauses that use an interop-var. |
3615 | /// |
3616 | /// init-clause: |
3617 | /// init([interop-modifier, ]interop-type[[, interop-type] ... ]:interop-var) |
3618 | /// |
3619 | /// destroy-clause: |
3620 | /// destroy(interop-var) |
3621 | /// |
3622 | /// use-clause: |
3623 | /// use(interop-var) |
3624 | /// |
3625 | /// interop-modifier: |
3626 | /// prefer_type(preference-list) |
3627 | /// |
3628 | /// preference-list: |
3629 | /// foreign-runtime-id [, foreign-runtime-id]... |
3630 | /// |
3631 | /// foreign-runtime-id: |
3632 | /// <string-literal> | <constant-integral-expression> |
3633 | /// |
3634 | /// interop-type: |
3635 | /// target | targetsync |
3636 | /// |
3637 | OMPClause *Parser::ParseOpenMPInteropClause(OpenMPClauseKind Kind, |
3638 | bool ParseOnly) { |
3639 | SourceLocation Loc = ConsumeToken(); |
3640 | // Parse '('. |
3641 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3642 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3643 | getOpenMPClauseName(Kind).data())) |
3644 | return nullptr; |
3645 | |
3646 | bool InteropError = false; |
3647 | OMPInteropInfo InteropInfo; |
3648 | if (Kind == OMPC_init) |
3649 | InteropError = ParseOMPInteropInfo(InteropInfo, OMPC_init); |
3650 | |
3651 | // Parse the variable. |
3652 | SourceLocation VarLoc = Tok.getLocation(); |
3653 | ExprResult InteropVarExpr = |
3654 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
3655 | if (!InteropVarExpr.isUsable()) { |
3656 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
3657 | StopBeforeMatch); |
3658 | } |
3659 | |
3660 | // Parse ')'. |
3661 | SourceLocation RLoc = Tok.getLocation(); |
3662 | if (!T.consumeClose()) |
3663 | RLoc = T.getCloseLocation(); |
3664 | |
3665 | if (ParseOnly || !InteropVarExpr.isUsable() || InteropError) |
3666 | return nullptr; |
3667 | |
3668 | if (Kind == OMPC_init) |
3669 | return Actions.ActOnOpenMPInitClause(InteropVarExpr.get(), InteropInfo, Loc, |
3670 | T.getOpenLocation(), VarLoc, RLoc); |
3671 | if (Kind == OMPC_use) |
3672 | return Actions.ActOnOpenMPUseClause(InteropVarExpr.get(), Loc, |
3673 | T.getOpenLocation(), VarLoc, RLoc); |
3674 | |
3675 | if (Kind == OMPC_destroy) |
3676 | return Actions.ActOnOpenMPDestroyClause(InteropVarExpr.get(), Loc, |
3677 | T.getOpenLocation(), VarLoc, RLoc); |
3678 | |
3679 | llvm_unreachable("Unexpected interop variable clause.")::llvm::llvm_unreachable_internal("Unexpected interop variable clause." , "clang/lib/Parse/ParseOpenMP.cpp", 3679); |
3680 | } |
3681 | |
3682 | /// Parsing of simple OpenMP clauses like 'default' or 'proc_bind'. |
3683 | /// |
3684 | /// default-clause: |
3685 | /// 'default' '(' 'none' | 'shared' | 'private' | 'firstprivate' ')' |
3686 | /// |
3687 | /// proc_bind-clause: |
3688 | /// 'proc_bind' '(' 'master' | 'close' | 'spread' ')' |
3689 | /// |
3690 | /// bind-clause: |
3691 | /// 'bind' '(' 'teams' | 'parallel' | 'thread' ')' |
3692 | /// |
3693 | /// update-clause: |
3694 | /// 'update' '(' 'in' | 'out' | 'inout' | 'mutexinoutset' | |
3695 | /// 'inoutset' ')' |
3696 | /// |
3697 | OMPClause *Parser::ParseOpenMPSimpleClause(OpenMPClauseKind Kind, |
3698 | bool ParseOnly) { |
3699 | std::optional<SimpleClauseData> Val = parseOpenMPSimpleClause(*this, Kind); |
3700 | if (!Val || ParseOnly) |
3701 | return nullptr; |
3702 | if (getLangOpts().OpenMP < 51 && Kind == OMPC_default && |
3703 | (static_cast<DefaultKind>(Val->Type) == OMP_DEFAULT_private || |
3704 | static_cast<DefaultKind>(Val->Type) == |
3705 | OMP_DEFAULT_firstprivate)) { |
3706 | Diag(Val->LOpen, diag::err_omp_invalid_dsa) |
3707 | << getOpenMPClauseName(static_cast<DefaultKind>(Val->Type) == |
3708 | OMP_DEFAULT_private |
3709 | ? OMPC_private |
3710 | : OMPC_firstprivate) |
3711 | << getOpenMPClauseName(OMPC_default) << "5.1"; |
3712 | return nullptr; |
3713 | } |
3714 | return Actions.ActOnOpenMPSimpleClause(Kind, Val->Type, |
3715 | Val->TypeLoc, Val->LOpen, |
3716 | Val->Loc, Val->RLoc); |
3717 | } |
3718 | |
3719 | /// Parsing of OpenMP clauses like 'ordered'. |
3720 | /// |
3721 | /// ordered-clause: |
3722 | /// 'ordered' |
3723 | /// |
3724 | /// nowait-clause: |
3725 | /// 'nowait' |
3726 | /// |
3727 | /// untied-clause: |
3728 | /// 'untied' |
3729 | /// |
3730 | /// mergeable-clause: |
3731 | /// 'mergeable' |
3732 | /// |
3733 | /// read-clause: |
3734 | /// 'read' |
3735 | /// |
3736 | /// threads-clause: |
3737 | /// 'threads' |
3738 | /// |
3739 | /// simd-clause: |
3740 | /// 'simd' |
3741 | /// |
3742 | /// nogroup-clause: |
3743 | /// 'nogroup' |
3744 | /// |
3745 | OMPClause *Parser::ParseOpenMPClause(OpenMPClauseKind Kind, bool ParseOnly) { |
3746 | SourceLocation Loc = Tok.getLocation(); |
3747 | ConsumeAnyToken(); |
3748 | |
3749 | if (ParseOnly) |
3750 | return nullptr; |
3751 | return Actions.ActOnOpenMPClause(Kind, Loc, Tok.getLocation()); |
3752 | } |
3753 | |
3754 | /// Parsing of OpenMP clauses with single expressions and some additional |
3755 | /// argument like 'schedule' or 'dist_schedule'. |
3756 | /// |
3757 | /// schedule-clause: |
3758 | /// 'schedule' '(' [ modifier [ ',' modifier ] ':' ] kind [',' expression ] |
3759 | /// ')' |
3760 | /// |
3761 | /// if-clause: |
3762 | /// 'if' '(' [ directive-name-modifier ':' ] expression ')' |
3763 | /// |
3764 | /// defaultmap: |
3765 | /// 'defaultmap' '(' modifier [ ':' kind ] ')' |
3766 | /// |
3767 | /// device-clause: |
3768 | /// 'device' '(' [ device-modifier ':' ] expression ')' |
3769 | /// |
3770 | OMPClause *Parser::ParseOpenMPSingleExprWithArgClause(OpenMPDirectiveKind DKind, |
3771 | OpenMPClauseKind Kind, |
3772 | bool ParseOnly) { |
3773 | SourceLocation Loc = ConsumeToken(); |
3774 | SourceLocation DelimLoc; |
3775 | // Parse '('. |
3776 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
3777 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
3778 | getOpenMPClauseName(Kind).data())) |
3779 | return nullptr; |
3780 | |
3781 | ExprResult Val; |
3782 | SmallVector<unsigned, 4> Arg; |
3783 | SmallVector<SourceLocation, 4> KLoc; |
3784 | if (Kind == OMPC_schedule) { |
3785 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; |
3786 | Arg.resize(NumberOfElements); |
3787 | KLoc.resize(NumberOfElements); |
3788 | Arg[Modifier1] = OMPC_SCHEDULE_MODIFIER_unknown; |
3789 | Arg[Modifier2] = OMPC_SCHEDULE_MODIFIER_unknown; |
3790 | Arg[ScheduleKind] = OMPC_SCHEDULE_unknown; |
3791 | unsigned KindModifier = getOpenMPSimpleClauseType( |
3792 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3793 | if (KindModifier > OMPC_SCHEDULE_unknown) { |
3794 | // Parse 'modifier' |
3795 | Arg[Modifier1] = KindModifier; |
3796 | KLoc[Modifier1] = Tok.getLocation(); |
3797 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3798 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3799 | ConsumeAnyToken(); |
3800 | if (Tok.is(tok::comma)) { |
3801 | // Parse ',' 'modifier' |
3802 | ConsumeAnyToken(); |
3803 | KindModifier = getOpenMPSimpleClauseType( |
3804 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3805 | Arg[Modifier2] = KindModifier > OMPC_SCHEDULE_unknown |
3806 | ? KindModifier |
3807 | : (unsigned)OMPC_SCHEDULE_unknown; |
3808 | KLoc[Modifier2] = Tok.getLocation(); |
3809 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3810 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3811 | ConsumeAnyToken(); |
3812 | } |
3813 | // Parse ':' |
3814 | if (Tok.is(tok::colon)) |
3815 | ConsumeAnyToken(); |
3816 | else |
3817 | Diag(Tok, diag::warn_pragma_expected_colon) << "schedule modifier"; |
3818 | KindModifier = getOpenMPSimpleClauseType( |
3819 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3820 | } |
3821 | Arg[ScheduleKind] = KindModifier; |
3822 | KLoc[ScheduleKind] = Tok.getLocation(); |
3823 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3824 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3825 | ConsumeAnyToken(); |
3826 | if ((Arg[ScheduleKind] == OMPC_SCHEDULE_static || |
3827 | Arg[ScheduleKind] == OMPC_SCHEDULE_dynamic || |
3828 | Arg[ScheduleKind] == OMPC_SCHEDULE_guided) && |
3829 | Tok.is(tok::comma)) |
3830 | DelimLoc = ConsumeAnyToken(); |
3831 | } else if (Kind == OMPC_dist_schedule) { |
3832 | Arg.push_back(getOpenMPSimpleClauseType( |
3833 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3834 | KLoc.push_back(Tok.getLocation()); |
3835 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3836 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3837 | ConsumeAnyToken(); |
3838 | if (Arg.back() == OMPC_DIST_SCHEDULE_static && Tok.is(tok::comma)) |
3839 | DelimLoc = ConsumeAnyToken(); |
3840 | } else if (Kind == OMPC_defaultmap) { |
3841 | // Get a defaultmap modifier |
3842 | unsigned Modifier = getOpenMPSimpleClauseType( |
3843 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3844 | // Set defaultmap modifier to unknown if it is either scalar, aggregate, or |
3845 | // pointer |
3846 | if (Modifier < OMPC_DEFAULTMAP_MODIFIER_unknown) |
3847 | Modifier = OMPC_DEFAULTMAP_MODIFIER_unknown; |
3848 | Arg.push_back(Modifier); |
3849 | KLoc.push_back(Tok.getLocation()); |
3850 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3851 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3852 | ConsumeAnyToken(); |
3853 | // Parse ':' |
3854 | if (Tok.is(tok::colon) || getLangOpts().OpenMP < 50) { |
3855 | if (Tok.is(tok::colon)) |
3856 | ConsumeAnyToken(); |
3857 | else if (Arg.back() != OMPC_DEFAULTMAP_MODIFIER_unknown) |
3858 | Diag(Tok, diag::warn_pragma_expected_colon) << "defaultmap modifier"; |
3859 | // Get a defaultmap kind |
3860 | Arg.push_back(getOpenMPSimpleClauseType( |
3861 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3862 | KLoc.push_back(Tok.getLocation()); |
3863 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3864 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3865 | ConsumeAnyToken(); |
3866 | } else { |
3867 | Arg.push_back(OMPC_DEFAULTMAP_unknown); |
3868 | KLoc.push_back(SourceLocation()); |
3869 | } |
3870 | } else if (Kind == OMPC_order) { |
3871 | enum { Modifier, OrderKind, NumberOfElements }; |
3872 | Arg.resize(NumberOfElements); |
3873 | KLoc.resize(NumberOfElements); |
3874 | Arg[Modifier] = OMPC_ORDER_MODIFIER_unknown; |
3875 | Arg[OrderKind] = OMPC_ORDER_unknown; |
3876 | unsigned KindModifier = getOpenMPSimpleClauseType( |
3877 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3878 | if (KindModifier > OMPC_ORDER_unknown) { |
3879 | // Parse 'modifier' |
3880 | Arg[Modifier] = KindModifier; |
3881 | KLoc[Modifier] = Tok.getLocation(); |
3882 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3883 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3884 | ConsumeAnyToken(); |
3885 | // Parse ':' |
3886 | if (Tok.is(tok::colon)) |
3887 | ConsumeAnyToken(); |
3888 | else |
3889 | Diag(Tok, diag::warn_pragma_expected_colon) << "order modifier"; |
3890 | KindModifier = getOpenMPSimpleClauseType( |
3891 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts()); |
3892 | } |
3893 | Arg[OrderKind] = KindModifier; |
3894 | KLoc[OrderKind] = Tok.getLocation(); |
3895 | if (Tok.isNot(tok::r_paren) && Tok.isNot(tok::comma) && |
3896 | Tok.isNot(tok::annot_pragma_openmp_end)) |
3897 | ConsumeAnyToken(); |
3898 | } else if (Kind == OMPC_device) { |
3899 | // Only target executable directives support extended device construct. |
3900 | if (isOpenMPTargetExecutionDirective(DKind) && getLangOpts().OpenMP >= 50 && |
3901 | NextToken().is(tok::colon)) { |
3902 | // Parse optional <device modifier> ':' |
3903 | Arg.push_back(getOpenMPSimpleClauseType( |
3904 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), getLangOpts())); |
3905 | KLoc.push_back(Tok.getLocation()); |
3906 | ConsumeAnyToken(); |
3907 | // Parse ':' |
3908 | ConsumeAnyToken(); |
3909 | } else { |
3910 | Arg.push_back(OMPC_DEVICE_unknown); |
3911 | KLoc.emplace_back(); |
3912 | } |
3913 | } else if (Kind == OMPC_grainsize) { |
3914 | // Parse optional <grainsize modifier> ':' |
3915 | OpenMPGrainsizeClauseModifier Modifier = |
3916 | static_cast<OpenMPGrainsizeClauseModifier>(getOpenMPSimpleClauseType( |
3917 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3918 | getLangOpts())); |
3919 | if (getLangOpts().OpenMP >= 51) { |
3920 | if (NextToken().is(tok::colon)) { |
3921 | Arg.push_back(Modifier); |
3922 | KLoc.push_back(Tok.getLocation()); |
3923 | // Parse modifier |
3924 | ConsumeAnyToken(); |
3925 | // Parse ':' |
3926 | ConsumeAnyToken(); |
3927 | } else { |
3928 | if (Modifier == OMPC_GRAINSIZE_strict) { |
3929 | Diag(Tok, diag::err_modifier_expected_colon) << "strict"; |
3930 | // Parse modifier |
3931 | ConsumeAnyToken(); |
3932 | } |
3933 | Arg.push_back(OMPC_GRAINSIZE_unknown); |
3934 | KLoc.emplace_back(); |
3935 | } |
3936 | } else { |
3937 | Arg.push_back(OMPC_GRAINSIZE_unknown); |
3938 | KLoc.emplace_back(); |
3939 | } |
3940 | } else if (Kind == OMPC_num_tasks) { |
3941 | // Parse optional <num_tasks modifier> ':' |
3942 | OpenMPNumTasksClauseModifier Modifier = |
3943 | static_cast<OpenMPNumTasksClauseModifier>(getOpenMPSimpleClauseType( |
3944 | Kind, Tok.isAnnotation() ? "" : PP.getSpelling(Tok), |
3945 | getLangOpts())); |
3946 | if (getLangOpts().OpenMP >= 51) { |
3947 | if (NextToken().is(tok::colon)) { |
3948 | Arg.push_back(Modifier); |
3949 | KLoc.push_back(Tok.getLocation()); |
3950 | // Parse modifier |
3951 | ConsumeAnyToken(); |
3952 | // Parse ':' |
3953 | ConsumeAnyToken(); |
3954 | } else { |
3955 | if (Modifier == OMPC_NUMTASKS_strict) { |
3956 | Diag(Tok, diag::err_modifier_expected_colon) << "strict"; |
3957 | // Parse modifier |
3958 | ConsumeAnyToken(); |
3959 | } |
3960 | Arg.push_back(OMPC_NUMTASKS_unknown); |
3961 | KLoc.emplace_back(); |
3962 | } |
3963 | } else { |
3964 | Arg.push_back(OMPC_NUMTASKS_unknown); |
3965 | KLoc.emplace_back(); |
3966 | } |
3967 | } else { |
3968 | assert(Kind == OMPC_if)(static_cast <bool> (Kind == OMPC_if) ? void (0) : __assert_fail ("Kind == OMPC_if", "clang/lib/Parse/ParseOpenMP.cpp", 3968, __extension__ __PRETTY_FUNCTION__)); |
3969 | KLoc.push_back(Tok.getLocation()); |
3970 | TentativeParsingAction TPA(*this); |
3971 | auto DK = parseOpenMPDirectiveKind(*this); |
3972 | Arg.push_back(DK); |
3973 | if (DK != OMPD_unknown) { |
3974 | ConsumeToken(); |
3975 | if (Tok.is(tok::colon) && getLangOpts().OpenMP > 40) { |
3976 | TPA.Commit(); |
3977 | DelimLoc = ConsumeToken(); |
3978 | } else { |
3979 | TPA.Revert(); |
3980 | Arg.back() = unsigned(OMPD_unknown); |
3981 | } |
3982 | } else { |
3983 | TPA.Revert(); |
3984 | } |
3985 | } |
3986 | |
3987 | bool NeedAnExpression = (Kind == OMPC_schedule && DelimLoc.isValid()) || |
3988 | (Kind == OMPC_dist_schedule && DelimLoc.isValid()) || |
3989 | Kind == OMPC_if || Kind == OMPC_device || |
3990 | Kind == OMPC_grainsize || Kind == OMPC_num_tasks; |
3991 | if (NeedAnExpression) { |
3992 | SourceLocation ELoc = Tok.getLocation(); |
3993 | ExprResult LHS(ParseCastExpression(AnyCastExpr, false, NotTypeCast)); |
3994 | Val = ParseRHSOfBinaryExpression(LHS, prec::Conditional); |
3995 | Val = |
3996 | Actions.ActOnFinishFullExpr(Val.get(), ELoc, /*DiscardedValue*/ false); |
3997 | } |
3998 | |
3999 | // Parse ')'. |
4000 | SourceLocation RLoc = Tok.getLocation(); |
4001 | if (!T.consumeClose()) |
4002 | RLoc = T.getCloseLocation(); |
4003 | |
4004 | if (NeedAnExpression && Val.isInvalid()) |
4005 | return nullptr; |
4006 | |
4007 | if (ParseOnly) |
4008 | return nullptr; |
4009 | return Actions.ActOnOpenMPSingleExprWithArgClause( |
4010 | Kind, Arg, Val.get(), Loc, T.getOpenLocation(), KLoc, DelimLoc, RLoc); |
4011 | } |
4012 | |
4013 | static bool ParseReductionId(Parser &P, CXXScopeSpec &ReductionIdScopeSpec, |
4014 | UnqualifiedId &ReductionId) { |
4015 | if (ReductionIdScopeSpec.isEmpty()) { |
4016 | auto OOK = OO_None; |
4017 | switch (P.getCurToken().getKind()) { |
4018 | case tok::plus: |
4019 | OOK = OO_Plus; |
4020 | break; |
4021 | case tok::minus: |
4022 | OOK = OO_Minus; |
4023 | break; |
4024 | case tok::star: |
4025 | OOK = OO_Star; |
4026 | break; |
4027 | case tok::amp: |
4028 | OOK = OO_Amp; |
4029 | break; |
4030 | case tok::pipe: |
4031 | OOK = OO_Pipe; |
4032 | break; |
4033 | case tok::caret: |
4034 | OOK = OO_Caret; |
4035 | break; |
4036 | case tok::ampamp: |
4037 | OOK = OO_AmpAmp; |
4038 | break; |
4039 | case tok::pipepipe: |
4040 | OOK = OO_PipePipe; |
4041 | break; |
4042 | default: |
4043 | break; |
4044 | } |
4045 | if (OOK != OO_None) { |
4046 | SourceLocation OpLoc = P.ConsumeToken(); |
4047 | SourceLocation SymbolLocations[] = {OpLoc, OpLoc, SourceLocation()}; |
4048 | ReductionId.setOperatorFunctionId(OpLoc, OOK, SymbolLocations); |
4049 | return false; |
4050 | } |
4051 | } |
4052 | return P.ParseUnqualifiedId( |
4053 | ReductionIdScopeSpec, /*ObjectType=*/nullptr, |
4054 | /*ObjectHadErrors=*/false, /*EnteringContext*/ false, |
4055 | /*AllowDestructorName*/ false, |
4056 | /*AllowConstructorName*/ false, |
4057 | /*AllowDeductionGuide*/ false, nullptr, ReductionId); |
4058 | } |
4059 | |
4060 | /// Checks if the token is a valid map-type-modifier. |
4061 | /// FIXME: It will return an OpenMPMapClauseKind if that's what it parses. |
4062 | static OpenMPMapModifierKind isMapModifier(Parser &P) { |
4063 | Token Tok = P.getCurToken(); |
4064 | if (!Tok.is(tok::identifier)) |
4065 | return OMPC_MAP_MODIFIER_unknown; |
4066 | |
4067 | Preprocessor &PP = P.getPreprocessor(); |
4068 | OpenMPMapModifierKind TypeModifier = |
4069 | static_cast<OpenMPMapModifierKind>(getOpenMPSimpleClauseType( |
4070 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts())); |
4071 | return TypeModifier; |
4072 | } |
4073 | |
4074 | /// Parse the mapper modifier in map, to, and from clauses. |
4075 | bool Parser::parseMapperModifier(Sema::OpenMPVarListDataTy &Data) { |
4076 | // Parse '('. |
4077 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::colon); |
4078 | if (T.expectAndConsume(diag::err_expected_lparen_after, "mapper")) { |
4079 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4080 | StopBeforeMatch); |
4081 | return true; |
4082 | } |
4083 | // Parse mapper-identifier |
4084 | if (getLangOpts().CPlusPlus) |
4085 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
4086 | /*ObjectType=*/nullptr, |
4087 | /*ObjectHasErrors=*/false, |
4088 | /*EnteringContext=*/false); |
4089 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::kw_default)) { |
4090 | Diag(Tok.getLocation(), diag::err_omp_mapper_illegal_identifier); |
4091 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4092 | StopBeforeMatch); |
4093 | return true; |
4094 | } |
4095 | auto &DeclNames = Actions.getASTContext().DeclarationNames; |
4096 | Data.ReductionOrMapperId = DeclarationNameInfo( |
4097 | DeclNames.getIdentifier(Tok.getIdentifierInfo()), Tok.getLocation()); |
4098 | ConsumeToken(); |
4099 | // Parse ')'. |
4100 | return T.consumeClose(); |
4101 | } |
4102 | |
4103 | /// Parse map-type-modifiers in map clause. |
4104 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
4105 | /// where, map-type-modifier ::= always | close | mapper(mapper-identifier) | |
4106 | /// present |
4107 | bool Parser::parseMapTypeModifiers(Sema::OpenMPVarListDataTy &Data) { |
4108 | while (getCurToken().isNot(tok::colon)) { |
4109 | OpenMPMapModifierKind TypeModifier = isMapModifier(*this); |
4110 | if (TypeModifier == OMPC_MAP_MODIFIER_always || |
4111 | TypeModifier == OMPC_MAP_MODIFIER_close || |
4112 | TypeModifier == OMPC_MAP_MODIFIER_present || |
4113 | TypeModifier == OMPC_MAP_MODIFIER_ompx_hold) { |
4114 | Data.MapTypeModifiers.push_back(TypeModifier); |
4115 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
4116 | ConsumeToken(); |
4117 | } else if (TypeModifier == OMPC_MAP_MODIFIER_mapper) { |
4118 | Data.MapTypeModifiers.push_back(TypeModifier); |
4119 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
4120 | ConsumeToken(); |
4121 | if (parseMapperModifier(Data)) |
4122 | return true; |
4123 | } else { |
4124 | // For the case of unknown map-type-modifier or a map-type. |
4125 | // Map-type is followed by a colon; the function returns when it |
4126 | // encounters a token followed by a colon. |
4127 | if (Tok.is(tok::comma)) { |
4128 | Diag(Tok, diag::err_omp_map_type_modifier_missing); |
4129 | ConsumeToken(); |
4130 | continue; |
4131 | } |
4132 | // Potential map-type token as it is followed by a colon. |
4133 | if (PP.LookAhead(0).is(tok::colon)) |
4134 | return false; |
4135 | Diag(Tok, diag::err_omp_unknown_map_type_modifier) |
4136 | << (getLangOpts().OpenMP >= 51 ? (getLangOpts().OpenMP >= 52 ? 2 : 1) |
4137 | : 0) |
4138 | << getLangOpts().OpenMPExtensions; |
4139 | ConsumeToken(); |
4140 | } |
4141 | if (getCurToken().is(tok::comma)) |
4142 | ConsumeToken(); |
4143 | } |
4144 | return false; |
4145 | } |
4146 | |
4147 | /// Checks if the token is a valid map-type. |
4148 | /// FIXME: It will return an OpenMPMapModifierKind if that's what it parses. |
4149 | static OpenMPMapClauseKind isMapType(Parser &P) { |
4150 | Token Tok = P.getCurToken(); |
4151 | // The map-type token can be either an identifier or the C++ delete keyword. |
4152 | if (!Tok.isOneOf(tok::identifier, tok::kw_delete)) |
4153 | return OMPC_MAP_unknown; |
4154 | Preprocessor &PP = P.getPreprocessor(); |
4155 | OpenMPMapClauseKind MapType = |
4156 | static_cast<OpenMPMapClauseKind>(getOpenMPSimpleClauseType( |
4157 | OMPC_map, PP.getSpelling(Tok), P.getLangOpts())); |
4158 | return MapType; |
4159 | } |
4160 | |
4161 | /// Parse map-type in map clause. |
4162 | /// map([ [map-type-modifier[,] [map-type-modifier[,] ...] map-type : ] list) |
4163 | /// where, map-type ::= to | from | tofrom | alloc | release | delete |
4164 | static void parseMapType(Parser &P, Sema::OpenMPVarListDataTy &Data) { |
4165 | Token Tok = P.getCurToken(); |
4166 | if (Tok.is(tok::colon)) { |
4167 | P.Diag(Tok, diag::err_omp_map_type_missing); |
4168 | return; |
4169 | } |
4170 | Data.ExtraModifier = isMapType(P); |
4171 | if (Data.ExtraModifier == OMPC_MAP_unknown) |
4172 | P.Diag(Tok, diag::err_omp_unknown_map_type); |
4173 | P.ConsumeToken(); |
4174 | } |
4175 | |
4176 | /// Parses simple expression in parens for single-expression clauses of OpenMP |
4177 | /// constructs. |
4178 | ExprResult Parser::ParseOpenMPIteratorsExpr() { |
4179 | assert(Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" &&(static_cast <bool> (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token." ) ? void (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4180, __extension__ __PRETTY_FUNCTION__ )) |
4180 | "Expected 'iterator' token.")(static_cast <bool> (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator" && "Expected 'iterator' token." ) ? void (0) : __assert_fail ("Tok.is(tok::identifier) && PP.getSpelling(Tok) == \"iterator\" && \"Expected 'iterator' token.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4180, __extension__ __PRETTY_FUNCTION__ )); |
4181 | SourceLocation IteratorKwLoc = ConsumeToken(); |
4182 | |
4183 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
4184 | if (T.expectAndConsume(diag::err_expected_lparen_after, "iterator")) |
4185 | return ExprError(); |
4186 | |
4187 | SourceLocation LLoc = T.getOpenLocation(); |
4188 | SmallVector<Sema::OMPIteratorData, 4> Data; |
4189 | while (Tok.isNot(tok::r_paren) && Tok.isNot(tok::annot_pragma_openmp_end)) { |
4190 | // Check if the type parsing is required. |
4191 | ParsedType IteratorType; |
4192 | if (Tok.isNot(tok::identifier) || NextToken().isNot(tok::equal)) { |
4193 | // identifier '=' is not found - parse type. |
4194 | TypeResult TR = ParseTypeName(); |
4195 | if (TR.isInvalid()) { |
4196 | T.skipToEnd(); |
4197 | return ExprError(); |
4198 | } |
4199 | IteratorType = TR.get(); |
4200 | } |
4201 | |
4202 | // Parse identifier. |
4203 | IdentifierInfo *II = nullptr; |
4204 | SourceLocation IdLoc; |
4205 | if (Tok.is(tok::identifier)) { |
4206 | II = Tok.getIdentifierInfo(); |
4207 | IdLoc = ConsumeToken(); |
4208 | } else { |
4209 | Diag(Tok, diag::err_expected_unqualified_id) << 0; |
4210 | } |
4211 | |
4212 | // Parse '='. |
4213 | SourceLocation AssignLoc; |
4214 | if (Tok.is(tok::equal)) |
4215 | AssignLoc = ConsumeToken(); |
4216 | else |
4217 | Diag(Tok, diag::err_omp_expected_equal_in_iterator); |
4218 | |
4219 | // Parse range-specification - <begin> ':' <end> [ ':' <step> ] |
4220 | ColonProtectionRAIIObject ColonRAII(*this); |
4221 | // Parse <begin> |
4222 | SourceLocation Loc = Tok.getLocation(); |
4223 | ExprResult LHS = ParseCastExpression(AnyCastExpr); |
4224 | ExprResult Begin = Actions.CorrectDelayedTyposInExpr( |
4225 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4226 | Begin = Actions.ActOnFinishFullExpr(Begin.get(), Loc, |
4227 | /*DiscardedValue=*/false); |
4228 | // Parse ':'. |
4229 | SourceLocation ColonLoc; |
4230 | if (Tok.is(tok::colon)) |
4231 | ColonLoc = ConsumeToken(); |
4232 | |
4233 | // Parse <end> |
4234 | Loc = Tok.getLocation(); |
4235 | LHS = ParseCastExpression(AnyCastExpr); |
4236 | ExprResult End = Actions.CorrectDelayedTyposInExpr( |
4237 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4238 | End = Actions.ActOnFinishFullExpr(End.get(), Loc, |
4239 | /*DiscardedValue=*/false); |
4240 | |
4241 | SourceLocation SecColonLoc; |
4242 | ExprResult Step; |
4243 | // Parse optional step. |
4244 | if (Tok.is(tok::colon)) { |
4245 | // Parse ':' |
4246 | SecColonLoc = ConsumeToken(); |
4247 | // Parse <step> |
4248 | Loc = Tok.getLocation(); |
4249 | LHS = ParseCastExpression(AnyCastExpr); |
4250 | Step = Actions.CorrectDelayedTyposInExpr( |
4251 | ParseRHSOfBinaryExpression(LHS, prec::Conditional)); |
4252 | Step = Actions.ActOnFinishFullExpr(Step.get(), Loc, |
4253 | /*DiscardedValue=*/false); |
4254 | } |
4255 | |
4256 | // Parse ',' or ')' |
4257 | if (Tok.isNot(tok::comma) && Tok.isNot(tok::r_paren)) |
4258 | Diag(Tok, diag::err_omp_expected_punc_after_iterator); |
4259 | if (Tok.is(tok::comma)) |
4260 | ConsumeToken(); |
4261 | |
4262 | Sema::OMPIteratorData &D = Data.emplace_back(); |
4263 | D.DeclIdent = II; |
4264 | D.DeclIdentLoc = IdLoc; |
4265 | D.Type = IteratorType; |
4266 | D.AssignLoc = AssignLoc; |
4267 | D.ColonLoc = ColonLoc; |
4268 | D.SecColonLoc = SecColonLoc; |
4269 | D.Range.Begin = Begin.get(); |
4270 | D.Range.End = End.get(); |
4271 | D.Range.Step = Step.get(); |
4272 | } |
4273 | |
4274 | // Parse ')'. |
4275 | SourceLocation RLoc = Tok.getLocation(); |
4276 | if (!T.consumeClose()) |
4277 | RLoc = T.getCloseLocation(); |
4278 | |
4279 | return Actions.ActOnOMPIteratorExpr(getCurScope(), IteratorKwLoc, LLoc, RLoc, |
4280 | Data); |
4281 | } |
4282 | |
4283 | bool Parser::ParseOpenMPReservedLocator(OpenMPClauseKind Kind, |
4284 | Sema::OpenMPVarListDataTy &Data, |
4285 | const LangOptions &LangOpts) { |
4286 | // Currently the only reserved locator is 'omp_all_memory' which is only |
4287 | // allowed on a depend clause. |
4288 | if (Kind != OMPC_depend || LangOpts.OpenMP < 51) |
4289 | return false; |
4290 | |
4291 | if (Tok.is(tok::identifier) && |
4292 | Tok.getIdentifierInfo()->isStr("omp_all_memory")) { |
4293 | |
4294 | if (Data.ExtraModifier == OMPC_DEPEND_outallmemory || |
4295 | Data.ExtraModifier == OMPC_DEPEND_inoutallmemory) |
4296 | Diag(Tok, diag::warn_omp_more_one_omp_all_memory); |
4297 | else if (Data.ExtraModifier != OMPC_DEPEND_out && |
4298 | Data.ExtraModifier != OMPC_DEPEND_inout) |
4299 | Diag(Tok, diag::err_omp_requires_out_inout_depend_type); |
4300 | else |
4301 | Data.ExtraModifier = Data.ExtraModifier == OMPC_DEPEND_out |
4302 | ? OMPC_DEPEND_outallmemory |
4303 | : OMPC_DEPEND_inoutallmemory; |
4304 | ConsumeToken(); |
4305 | return true; |
4306 | } |
4307 | return false; |
4308 | } |
4309 | |
4310 | /// Parses clauses with list. |
4311 | bool Parser::ParseOpenMPVarList(OpenMPDirectiveKind DKind, |
4312 | OpenMPClauseKind Kind, |
4313 | SmallVectorImpl<Expr *> &Vars, |
4314 | Sema::OpenMPVarListDataTy &Data) { |
4315 | UnqualifiedId UnqualifiedReductionId; |
4316 | bool InvalidReductionId = false; |
4317 | bool IsInvalidMapperModifier = false; |
4318 | |
4319 | // Parse '('. |
4320 | BalancedDelimiterTracker T(*this, tok::l_paren, tok::annot_pragma_openmp_end); |
4321 | if (T.expectAndConsume(diag::err_expected_lparen_after, |
4322 | getOpenMPClauseName(Kind).data())) |
4323 | return true; |
4324 | |
4325 | bool HasIterator = false; |
4326 | bool InvalidIterator = false; |
4327 | bool NeedRParenForLinear = false; |
4328 | BalancedDelimiterTracker LinearT(*this, tok::l_paren, |
4329 | tok::annot_pragma_openmp_end); |
4330 | // Handle reduction-identifier for reduction clause. |
4331 | if (Kind == OMPC_reduction || Kind == OMPC_task_reduction || |
4332 | Kind == OMPC_in_reduction) { |
4333 | Data.ExtraModifier = OMPC_REDUCTION_unknown; |
4334 | if (Kind == OMPC_reduction && getLangOpts().OpenMP >= 50 && |
4335 | (Tok.is(tok::identifier) || Tok.is(tok::kw_default)) && |
4336 | NextToken().is(tok::comma)) { |
4337 | // Parse optional reduction modifier. |
4338 | Data.ExtraModifier = |
4339 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4340 | Data.ExtraModifierLoc = Tok.getLocation(); |
4341 | ConsumeToken(); |
4342 | assert(Tok.is(tok::comma) && "Expected comma.")(static_cast <bool> (Tok.is(tok::comma) && "Expected comma." ) ? void (0) : __assert_fail ("Tok.is(tok::comma) && \"Expected comma.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4342, __extension__ __PRETTY_FUNCTION__ )); |
4343 | (void)ConsumeToken(); |
4344 | } |
4345 | ColonProtectionRAIIObject ColonRAII(*this); |
4346 | if (getLangOpts().CPlusPlus) |
4347 | ParseOptionalCXXScopeSpecifier(Data.ReductionOrMapperIdScopeSpec, |
4348 | /*ObjectType=*/nullptr, |
4349 | /*ObjectHasErrors=*/false, |
4350 | /*EnteringContext=*/false); |
4351 | InvalidReductionId = ParseReductionId( |
4352 | *this, Data.ReductionOrMapperIdScopeSpec, UnqualifiedReductionId); |
4353 | if (InvalidReductionId) { |
4354 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4355 | StopBeforeMatch); |
4356 | } |
4357 | if (Tok.is(tok::colon)) |
4358 | Data.ColonLoc = ConsumeToken(); |
4359 | else |
4360 | Diag(Tok, diag::warn_pragma_expected_colon) << "reduction identifier"; |
4361 | if (!InvalidReductionId) |
4362 | Data.ReductionOrMapperId = |
4363 | Actions.GetNameFromUnqualifiedId(UnqualifiedReductionId); |
4364 | } else if (Kind == OMPC_depend) { |
4365 | if (getLangOpts().OpenMP >= 50) { |
4366 | if (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator") { |
4367 | // Handle optional dependence modifier. |
4368 | // iterator(iterators-definition) |
4369 | // where iterators-definition is iterator-specifier [, |
4370 | // iterators-definition ] |
4371 | // where iterator-specifier is [ iterator-type ] identifier = |
4372 | // range-specification |
4373 | HasIterator = true; |
4374 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
4375 | ExprResult IteratorRes = ParseOpenMPIteratorsExpr(); |
4376 | Data.DepModOrTailExpr = IteratorRes.get(); |
4377 | // Parse ',' |
4378 | ExpectAndConsume(tok::comma); |
4379 | } |
4380 | } |
4381 | // Handle dependency type for depend clause. |
4382 | ColonProtectionRAIIObject ColonRAII(*this); |
4383 | Data.ExtraModifier = getOpenMPSimpleClauseType( |
4384 | Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "", |
4385 | getLangOpts()); |
4386 | Data.ExtraModifierLoc = Tok.getLocation(); |
4387 | if (Data.ExtraModifier == OMPC_DEPEND_unknown) { |
4388 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4389 | StopBeforeMatch); |
4390 | } else { |
4391 | ConsumeToken(); |
4392 | // Special processing for depend(source) clause. |
4393 | if (DKind == OMPD_ordered && Data.ExtraModifier == OMPC_DEPEND_source) { |
4394 | // Parse ')'. |
4395 | T.consumeClose(); |
4396 | return false; |
4397 | } |
4398 | } |
4399 | if (Tok.is(tok::colon)) { |
4400 | Data.ColonLoc = ConsumeToken(); |
4401 | } else { |
4402 | Diag(Tok, DKind == OMPD_ordered ? diag::warn_pragma_expected_colon_r_paren |
4403 | : diag::warn_pragma_expected_colon) |
4404 | << "dependency type"; |
4405 | } |
4406 | } else if (Kind == OMPC_linear) { |
4407 | // Try to parse modifier if any. |
4408 | Data.ExtraModifier = OMPC_LINEAR_val; |
4409 | if (Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::l_paren)) { |
4410 | Data.ExtraModifier = |
4411 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4412 | Data.ExtraModifierLoc = ConsumeToken(); |
4413 | LinearT.consumeOpen(); |
4414 | NeedRParenForLinear = true; |
4415 | } |
4416 | } else if (Kind == OMPC_lastprivate) { |
4417 | // Try to parse modifier if any. |
4418 | Data.ExtraModifier = OMPC_LASTPRIVATE_unknown; |
4419 | // Conditional modifier allowed only in OpenMP 5.0 and not supported in |
4420 | // distribute and taskloop based directives. |
4421 | if ((getLangOpts().OpenMP >= 50 && !isOpenMPDistributeDirective(DKind) && |
4422 | !isOpenMPTaskLoopDirective(DKind)) && |
4423 | Tok.is(tok::identifier) && PP.LookAhead(0).is(tok::colon)) { |
4424 | Data.ExtraModifier = |
4425 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts()); |
4426 | Data.ExtraModifierLoc = Tok.getLocation(); |
4427 | ConsumeToken(); |
4428 | assert(Tok.is(tok::colon) && "Expected colon.")(static_cast <bool> (Tok.is(tok::colon) && "Expected colon." ) ? void (0) : __assert_fail ("Tok.is(tok::colon) && \"Expected colon.\"" , "clang/lib/Parse/ParseOpenMP.cpp", 4428, __extension__ __PRETTY_FUNCTION__ )); |
4429 | Data.ColonLoc = ConsumeToken(); |
4430 | } |
4431 | } else if (Kind == OMPC_map) { |
4432 | // Handle optional iterator map modifier. |
4433 | if (Tok.is(tok::identifier) && PP.getSpelling(Tok) == "iterator") { |
4434 | HasIterator = true; |
4435 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
4436 | Data.MapTypeModifiers.push_back(OMPC_MAP_MODIFIER_iterator); |
4437 | Data.MapTypeModifiersLoc.push_back(Tok.getLocation()); |
4438 | ExprResult IteratorRes = ParseOpenMPIteratorsExpr(); |
4439 | Data.IteratorExpr = IteratorRes.get(); |
4440 | // Parse ',' |
4441 | ExpectAndConsume(tok::comma); |
4442 | if (getLangOpts().OpenMP < 52) { |
4443 | Diag(Tok, diag::err_omp_unknown_map_type_modifier) |
4444 | << (getLangOpts().OpenMP >= 51 ? 1 : 0) |
4445 | << getLangOpts().OpenMPExtensions; |
4446 | InvalidIterator = true; |
4447 | } |
4448 | } |
4449 | // Handle map type for map clause. |
4450 | ColonProtectionRAIIObject ColonRAII(*this); |
4451 | |
4452 | // The first identifier may be a list item, a map-type or a |
4453 | // map-type-modifier. The map-type can also be delete which has the same |
4454 | // spelling of the C++ delete keyword. |
4455 | Data.ExtraModifier = OMPC_MAP_unknown; |
4456 | Data.ExtraModifierLoc = Tok.getLocation(); |
4457 | |
4458 | // Check for presence of a colon in the map clause. |
4459 | TentativeParsingAction TPA(*this); |
4460 | bool ColonPresent = false; |
4461 | if (SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4462 | StopBeforeMatch)) { |
4463 | if (Tok.is(tok::colon)) |
4464 | ColonPresent = true; |
4465 | } |
4466 | TPA.Revert(); |
4467 | // Only parse map-type-modifier[s] and map-type if a colon is present in |
4468 | // the map clause. |
4469 | if (ColonPresent) { |
4470 | IsInvalidMapperModifier = parseMapTypeModifiers(Data); |
4471 | if (!IsInvalidMapperModifier) |
4472 | parseMapType(*this, Data); |
4473 | else |
4474 | SkipUntil(tok::colon, tok::annot_pragma_openmp_end, StopBeforeMatch); |
4475 | } |
4476 | if (Data.ExtraModifier == OMPC_MAP_unknown) { |
4477 | Data.ExtraModifier = OMPC_MAP_tofrom; |
4478 | if (getLangOpts().OpenMP >= 52) { |
4479 | if (DKind == OMPD_target_enter_data) |
4480 | Data.ExtraModifier = OMPC_MAP_to; |
4481 | else if (DKind == OMPD_target_exit_data) |
4482 | Data.ExtraModifier = OMPC_MAP_from; |
4483 | } |
4484 | Data.IsMapTypeImplicit = true; |
4485 | } |
4486 | |
4487 | if (Tok.is(tok::colon)) |
4488 | Data.ColonLoc = ConsumeToken(); |
4489 | } else if (Kind == OMPC_to || Kind == OMPC_from) { |
4490 | while (Tok.is(tok::identifier)) { |
4491 | auto Modifier = static_cast<OpenMPMotionModifierKind>( |
4492 | getOpenMPSimpleClauseType(Kind, PP.getSpelling(Tok), getLangOpts())); |
4493 | if (Modifier == OMPC_MOTION_MODIFIER_unknown) |
4494 | break; |
4495 | Data.MotionModifiers.push_back(Modifier); |
4496 | Data.MotionModifiersLoc.push_back(Tok.getLocation()); |
4497 | ConsumeToken(); |
4498 | if (Modifier == OMPC_MOTION_MODIFIER_mapper) { |
4499 | IsInvalidMapperModifier = parseMapperModifier(Data); |
4500 | if (IsInvalidMapperModifier) |
4501 | break; |
4502 | } |
4503 | // OpenMP < 5.1 doesn't permit a ',' or additional modifiers. |
4504 | if (getLangOpts().OpenMP < 51) |
4505 | break; |
4506 | // OpenMP 5.1 accepts an optional ',' even if the next character is ':'. |
4507 | // TODO: Is that intentional? |
4508 | if (Tok.is(tok::comma)) |
4509 | ConsumeToken(); |
4510 | } |
4511 | if (!Data.MotionModifiers.empty() && Tok.isNot(tok::colon)) { |
4512 | if (!IsInvalidMapperModifier) { |
4513 | if (getLangOpts().OpenMP < 51) |
4514 | Diag(Tok, diag::warn_pragma_expected_colon) << ")"; |
4515 | else |
4516 | Diag(Tok, diag::warn_pragma_expected_colon) << "motion modifier"; |
4517 | } |
4518 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4519 | StopBeforeMatch); |
4520 | } |
4521 | // OpenMP 5.1 permits a ':' even without a preceding modifier. TODO: Is |
4522 | // that intentional? |
4523 | if ((!Data.MotionModifiers.empty() || getLangOpts().OpenMP >= 51) && |
4524 | Tok.is(tok::colon)) |
4525 | Data.ColonLoc = ConsumeToken(); |
4526 | } else if (Kind == OMPC_allocate || |
4527 | (Kind == OMPC_affinity && Tok.is(tok::identifier) && |
4528 | PP.getSpelling(Tok) == "iterator")) { |
4529 | // Handle optional allocator expression followed by colon delimiter. |
4530 | ColonProtectionRAIIObject ColonRAII(*this); |
4531 | TentativeParsingAction TPA(*this); |
4532 | // OpenMP 5.0, 2.10.1, task Construct. |
4533 | // where aff-modifier is one of the following: |
4534 | // iterator(iterators-definition) |
4535 | ExprResult Tail; |
4536 | if (Kind == OMPC_allocate) { |
4537 | Tail = ParseAssignmentExpression(); |
4538 | } else { |
4539 | HasIterator = true; |
4540 | EnterScope(Scope::OpenMPDirectiveScope | Scope::DeclScope); |
4541 | Tail = ParseOpenMPIteratorsExpr(); |
4542 | } |
4543 | Tail = Actions.CorrectDelayedTyposInExpr(Tail); |
4544 | Tail = Actions.ActOnFinishFullExpr(Tail.get(), T.getOpenLocation(), |
4545 | /*DiscardedValue=*/false); |
4546 | if (Tail.isUsable()) { |
4547 | if (Tok.is(tok::colon)) { |
4548 | Data.DepModOrTailExpr = Tail.get(); |
4549 | Data.ColonLoc = ConsumeToken(); |
4550 | TPA.Commit(); |
4551 | } else { |
4552 | // Colon not found, parse only list of variables. |
4553 | TPA.Revert(); |
4554 | } |
4555 | } else { |
4556 | // Parsing was unsuccessfull, revert and skip to the end of clause or |
4557 | // directive. |
4558 | TPA.Revert(); |
4559 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4560 | StopBeforeMatch); |
4561 | } |
4562 | } else if (Kind == OMPC_adjust_args) { |
4563 | // Handle adjust-op for adjust_args clause. |
4564 | ColonProtectionRAIIObject ColonRAII(*this); |
4565 | Data.ExtraModifier = getOpenMPSimpleClauseType( |
4566 | Kind, Tok.is(tok::identifier) ? PP.getSpelling(Tok) : "", |
4567 | getLangOpts()); |
4568 | Data.ExtraModifierLoc = Tok.getLocation(); |
4569 | if (Data.ExtraModifier == OMPC_ADJUST_ARGS_unknown) { |
4570 | SkipUntil(tok::colon, tok::r_paren, tok::annot_pragma_openmp_end, |
4571 | StopBeforeMatch); |
4572 | } else { |
4573 | ConsumeToken(); |
4574 | if (Tok.is(tok::colon)) |
4575 | Data.ColonLoc = Tok.getLocation(); |
4576 | ExpectAndConsume(tok::colon, diag::warn_pragma_expected_colon, |
4577 | "adjust-op"); |
4578 | } |
4579 | } |
4580 | |
4581 | bool IsComma = |
4582 | (Kind != OMPC_reduction && Kind != OMPC_task_reduction && |
4583 | Kind != OMPC_in_reduction && Kind != OMPC_depend && Kind != OMPC_map) || |
4584 | (Kind == OMPC_reduction && !InvalidReductionId) || |
4585 | (Kind == OMPC_map && Data.ExtraModifier != OMPC_MAP_unknown) || |
4586 | (Kind == OMPC_depend && Data.ExtraModifier != OMPC_DEPEND_unknown) || |
4587 | (Kind == OMPC_adjust_args && |
4588 | Data.ExtraModifier != OMPC_ADJUST_ARGS_unknown); |
4589 | const bool MayHaveTail = (Kind == OMPC_linear || Kind == OMPC_aligned); |
4590 | while (IsComma || (Tok.isNot(tok::r_paren) && Tok.isNot(tok::colon) && |
4591 | Tok.isNot(tok::annot_pragma_openmp_end))) { |
4592 | ParseScope OMPListScope(this, Scope::OpenMPDirectiveScope); |
4593 | ColonProtectionRAIIObject ColonRAII(*this, MayHaveTail); |
4594 | if (!ParseOpenMPReservedLocator(Kind, Data, getLangOpts())) { |
4595 | // Parse variable |
4596 | ExprResult VarExpr = |
4597 | Actions.CorrectDelayedTyposInExpr(ParseAssignmentExpression()); |
4598 | if (VarExpr.isUsable()) { |
4599 | Vars.push_back(VarExpr.get()); |
4600 | } else { |
4601 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4602 | StopBeforeMatch); |
4603 | } |
4604 | } |
4605 | // Skip ',' if any |
4606 | IsComma = Tok.is(tok::comma); |
4607 | if (IsComma) |
4608 | ConsumeToken(); |
4609 | else if (Tok.isNot(tok::r_paren) && |
4610 | Tok.isNot(tok::annot_pragma_openmp_end) && |
4611 | (!MayHaveTail || Tok.isNot(tok::colon))) |
4612 | Diag(Tok, diag::err_omp_expected_punc) |
4613 | << ((Kind == OMPC_flush) ? getOpenMPDirectiveName(OMPD_flush) |
4614 | : getOpenMPClauseName(Kind)) |
4615 | << (Kind == OMPC_flush); |
4616 | } |
4617 | |
4618 | // Parse ')' for linear clause with modifier. |
4619 | if (NeedRParenForLinear) |
4620 | LinearT.consumeClose(); |
4621 | |
4622 | // Parse ':' linear-step (or ':' alignment). |
4623 | const bool MustHaveTail = MayHaveTail && Tok.is(tok::colon); |
4624 | if (MustHaveTail) { |
4625 | Data.ColonLoc = Tok.getLocation(); |
4626 | SourceLocation ELoc = ConsumeToken(); |
4627 | ExprResult Tail = ParseAssignmentExpression(); |
4628 | Tail = |
4629 | Actions.ActOnFinishFullExpr(Tail.get(), ELoc, /*DiscardedValue*/ false); |
4630 | if (Tail.isUsable()) |
4631 | Data.DepModOrTailExpr = Tail.get(); |
4632 | else |
4633 | SkipUntil(tok::comma, tok::r_paren, tok::annot_pragma_openmp_end, |
4634 | StopBeforeMatch); |
4635 | } |
4636 | |
4637 | // Parse ')'. |
4638 | Data.RLoc = Tok.getLocation(); |
4639 | if (!T.consumeClose()) |
4640 | Data.RLoc = T.getCloseLocation(); |
4641 | // Exit from scope when the iterator is used in depend clause. |
4642 | if (HasIterator) |
4643 | ExitScope(); |
4644 | return (Kind != OMPC_depend && Kind != OMPC_map && Vars.empty()) || |
4645 | (MustHaveTail && !Data.DepModOrTailExpr) || InvalidReductionId || |
4646 | IsInvalidMapperModifier || InvalidIterator; |
4647 | } |
4648 | |
4649 | /// Parsing of OpenMP clause 'private', 'firstprivate', 'lastprivate', |
4650 | /// 'shared', 'copyin', 'copyprivate', 'flush', 'reduction', 'task_reduction', |
4651 | /// 'in_reduction', 'nontemporal', 'exclusive' or 'inclusive'. |
4652 | /// |
4653 | /// private-clause: |
4654 | /// 'private' '(' list ')' |
4655 | /// firstprivate-clause: |
4656 | /// 'firstprivate' '(' list ')' |
4657 | /// lastprivate-clause: |
4658 | /// 'lastprivate' '(' list ')' |
4659 | /// shared-clause: |
4660 | /// 'shared' '(' list ')' |
4661 | /// linear-clause: |
4662 | /// 'linear' '(' linear-list [ ':' linear-step ] ')' |
4663 | /// aligned-clause: |
4664 | /// 'aligned' '(' list [ ':' alignment ] ')' |
4665 | /// reduction-clause: |
4666 | /// 'reduction' '(' [ modifier ',' ] reduction-identifier ':' list ')' |
4667 | /// task_reduction-clause: |
4668 | /// 'task_reduction' '(' reduction-identifier ':' list ')' |
4669 | /// in_reduction-clause: |
4670 | /// 'in_reduction' '(' reduction-identifier ':' list ')' |
4671 | /// copyprivate-clause: |
4672 | /// 'copyprivate' '(' list ')' |
4673 | /// flush-clause: |
4674 | /// 'flush' '(' list ')' |
4675 | /// depend-clause: |
4676 | /// 'depend' '(' in | out | inout : list | source ')' |
4677 | /// map-clause: |
4678 | /// 'map' '(' [ [ always [,] ] [ close [,] ] |
4679 | /// [ mapper '(' mapper-identifier ')' [,] ] |
4680 | /// to | from | tofrom | alloc | release | delete ':' ] list ')'; |
4681 | /// to-clause: |
4682 | /// 'to' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
4683 | /// from-clause: |
4684 | /// 'from' '(' [ mapper '(' mapper-identifier ')' ':' ] list ')' |
4685 | /// use_device_ptr-clause: |
4686 | /// 'use_device_ptr' '(' list ')' |
4687 | /// use_device_addr-clause: |
4688 | /// 'use_device_addr' '(' list ')' |
4689 | /// is_device_ptr-clause: |
4690 | /// 'is_device_ptr' '(' list ')' |
4691 | /// has_device_addr-clause: |
4692 | /// 'has_device_addr' '(' list ')' |
4693 | /// allocate-clause: |
4694 | /// 'allocate' '(' [ allocator ':' ] list ')' |
4695 | /// nontemporal-clause: |
4696 | /// 'nontemporal' '(' list ')' |
4697 | /// inclusive-clause: |
4698 | /// 'inclusive' '(' list ')' |
4699 | /// exclusive-clause: |
4700 | /// 'exclusive' '(' list ')' |
4701 | /// |
4702 | /// For 'linear' clause linear-list may have the following forms: |
4703 | /// list |
4704 | /// modifier(list) |
4705 | /// where modifier is 'val' (C) or 'ref', 'val' or 'uval'(C++). |
4706 | OMPClause *Parser::ParseOpenMPVarListClause(OpenMPDirectiveKind DKind, |
4707 | OpenMPClauseKind Kind, |
4708 | bool ParseOnly) { |
4709 | SourceLocation Loc = Tok.getLocation(); |
4710 | SourceLocation LOpen = ConsumeToken(); |
4711 | SmallVector<Expr *, 4> Vars; |
4712 | Sema::OpenMPVarListDataTy Data; |
4713 | |
4714 | if (ParseOpenMPVarList(DKind, Kind, Vars, Data)) |
4715 | return nullptr; |
4716 | |
4717 | if (ParseOnly) |
4718 | return nullptr; |
4719 | OMPVarListLocTy Locs(Loc, LOpen, Data.RLoc); |
4720 | return Actions.ActOnOpenMPVarListClause(Kind, Vars, Locs, Data); |
4721 | } |