[clang] [llvm] [OpenMP 60] Update parsing and semantic support for `nowait` clause to accept optional argument (PR #159628)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 18 12:06:48 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-openmp
Author: Fazlay Rabbi (mdfazlay)
<details>
<summary>Changes</summary>
This PR enhances the OpenMP `nowait` clause implementation by adding support for optional argument in both parsing and semantic analysis phases.
Reference:
1. OpenMP 6.0 Specification, page 481
---
Patch is 39.54 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/159628.diff
26 Files Affected:
- (modified) clang/include/clang/AST/OpenMPClause.h (+51-7)
- (modified) clang/include/clang/AST/RecursiveASTVisitor.h (+2-1)
- (modified) clang/include/clang/Sema/SemaOpenMP.h (+4-2)
- (modified) clang/lib/AST/OpenMPClause.cpp (+13-1)
- (modified) clang/lib/AST/StmtProfile.cpp (+4-1)
- (modified) clang/lib/Parse/ParseOpenMP.cpp (+3-2)
- (modified) clang/lib/Sema/SemaOpenMP.cpp (+22-3)
- (modified) clang/lib/Sema/TreeTransform.h (+19-2)
- (modified) clang/lib/Serialization/ASTReader.cpp (+4-1)
- (modified) clang/lib/Serialization/ASTWriter.cpp (+4-1)
- (added) clang/test/OpenMP/nowait_ast_print.cpp (+56)
- (modified) clang/test/OpenMP/target_enter_data_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_exit_data_nowait_messages.cpp (+7-3)
- (modified) clang/test/OpenMP/target_nowait_messages.cpp (+11-2)
- (modified) clang/test/OpenMP/target_parallel_for_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_parallel_for_simd_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_parallel_nowait_messages.cpp (+12-3)
- (modified) clang/test/OpenMP/target_simd_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_teams_distribute_nowait_messages.cpp (+3-4)
- (modified) clang/test/OpenMP/target_teams_distribute_parallel_for_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_teams_distribute_parallel_for_simd_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_teams_distribute_simd_nowait_messages.cpp (+11-3)
- (modified) clang/test/OpenMP/target_teams_nowait_messages.cpp (+11-4)
- (modified) clang/test/OpenMP/target_update_nowait_messages.cpp (+8-4)
- (modified) clang/tools/libclang/CIndex.cpp (+3-1)
- (modified) llvm/include/llvm/Frontend/OpenMP/OMP.td (+2)
``````````diff
diff --git a/clang/include/clang/AST/OpenMPClause.h b/clang/include/clang/AST/OpenMPClause.h
index b2a6d4b9182b0..fd90988971d8d 100644
--- a/clang/include/clang/AST/OpenMPClause.h
+++ b/clang/include/clang/AST/OpenMPClause.h
@@ -2217,18 +2217,62 @@ class OMPOrderedClause final
/// This represents 'nowait' clause in the '#pragma omp ...' directive.
///
/// \code
-/// #pragma omp for nowait
+/// #pragma omp for nowait (cond)
/// \endcode
-/// In this example directive '#pragma omp for' has 'nowait' clause.
-class OMPNowaitClause final : public OMPNoChildClause<llvm::omp::OMPC_nowait> {
+/// In this example directive '#pragma omp for' has simple 'nowait' clause with
+/// condition 'cond'.
+class OMPNowaitClause final : public OMPClause {
+ friend class OMPClauseReader;
+
+ /// Location of '('.
+ SourceLocation LParenLoc;
+
+ /// Condition of the 'nowait' clause.
+ Stmt *Condition = nullptr;
+
+ /// Set condition.
+ void setCondition(Expr *Cond) { Condition = Cond; }
+
public:
- /// Build 'nowait' clause.
+ /// Build 'nowait' clause with condition \a Cond.
///
+ /// \param Cond Condition of the clause.
/// \param StartLoc Starting location of the clause.
+ /// \param LParenLoc Location of '('.
/// \param EndLoc Ending location of the clause.
- OMPNowaitClause(SourceLocation StartLoc = SourceLocation(),
- SourceLocation EndLoc = SourceLocation())
- : OMPNoChildClause(StartLoc, EndLoc) {}
+ OMPNowaitClause(Expr *Cond, SourceLocation StartLoc, SourceLocation LParenLoc,
+ SourceLocation EndLoc)
+ : OMPClause(llvm::omp::OMPC_nowait, StartLoc, EndLoc),
+ LParenLoc(LParenLoc), Condition(Cond) {}
+
+ /// Build an empty clause.
+ OMPNowaitClause()
+ : OMPClause(llvm::omp::OMPC_nowait, SourceLocation(), SourceLocation()) {}
+
+ /// Sets the location of '('.
+ void setLParenLoc(SourceLocation Loc) { LParenLoc = Loc; }
+
+ /// Returns the location of '('.
+ SourceLocation getLParenLoc() const { return LParenLoc; }
+
+ /// Returns condition.
+ Expr *getCondition() const { return cast_or_null<Expr>(Condition); }
+
+ child_range children() { return child_range(&Condition, &Condition + 1); }
+
+ const_child_range children() const {
+ return const_child_range(&Condition, &Condition + 1);
+ }
+
+ child_range used_children();
+ const_child_range used_children() const {
+ auto Children = const_cast<OMPNowaitClause *>(this)->used_children();
+ return const_child_range(Children.begin(), Children.end());
+ }
+
+ static bool classof(const OMPClause *T) {
+ return T->getClauseKind() == llvm::omp::OMPC_nowait;
+ }
};
/// This represents 'untied' clause in the '#pragma omp ...' directive.
diff --git a/clang/include/clang/AST/RecursiveASTVisitor.h b/clang/include/clang/AST/RecursiveASTVisitor.h
index c1944487716de..8f1500993dcc8 100644
--- a/clang/include/clang/AST/RecursiveASTVisitor.h
+++ b/clang/include/clang/AST/RecursiveASTVisitor.h
@@ -3576,7 +3576,8 @@ bool RecursiveASTVisitor<Derived>::VisitOMPOrderedClause(OMPOrderedClause *C) {
}
template <typename Derived>
-bool RecursiveASTVisitor<Derived>::VisitOMPNowaitClause(OMPNowaitClause *) {
+bool RecursiveASTVisitor<Derived>::VisitOMPNowaitClause(OMPNowaitClause *C) {
+ TRY_TO(TraverseStmt(C->getCondition()));
return true;
}
diff --git a/clang/include/clang/Sema/SemaOpenMP.h b/clang/include/clang/Sema/SemaOpenMP.h
index 23827051ed724..511aab39ec93d 100644
--- a/clang/include/clang/Sema/SemaOpenMP.h
+++ b/clang/include/clang/Sema/SemaOpenMP.h
@@ -1002,8 +1002,10 @@ class SemaOpenMP : public SemaBase {
OMPClause *ActOnOpenMPClause(OpenMPClauseKind Kind, SourceLocation StartLoc,
SourceLocation EndLoc);
/// Called on well-formed 'nowait' clause.
- OMPClause *ActOnOpenMPNowaitClause(SourceLocation StartLoc,
- SourceLocation EndLoc);
+ OMPClause *
+ ActOnOpenMPNowaitClause(SourceLocation StartLoc, SourceLocation EndLoc,
+ SourceLocation LParenLoc = SourceLocation(),
+ Expr *Condition = nullptr);
/// Called on well-formed 'untied' clause.
OMPClause *ActOnOpenMPUntiedClause(SourceLocation StartLoc,
SourceLocation EndLoc);
diff --git a/clang/lib/AST/OpenMPClause.cpp b/clang/lib/AST/OpenMPClause.cpp
index 69d33019c0952..c7876cc9cd1db 100644
--- a/clang/lib/AST/OpenMPClause.cpp
+++ b/clang/lib/AST/OpenMPClause.cpp
@@ -306,6 +306,13 @@ OMPClause::child_range OMPIfClause::used_children() {
return child_range(&Condition, &Condition + 1);
}
+OMPClause::child_range OMPNowaitClause::used_children() {
+ if (Condition)
+ return child_range(&Condition, &Condition + 1);
+ Stmt *Null = nullptr;
+ return child_range(&Null, &Null);
+}
+
OMPClause::child_range OMPGrainsizeClause::used_children() {
if (Stmt **C = getAddrOfExprAsWritten(getPreInitStmt()))
return child_range(C, C + 1);
@@ -2004,8 +2011,13 @@ void OMPClausePrinter::VisitOMPOrderedClause(OMPOrderedClause *Node) {
}
}
-void OMPClausePrinter::VisitOMPNowaitClause(OMPNowaitClause *) {
+void OMPClausePrinter::VisitOMPNowaitClause(OMPNowaitClause *Node) {
OS << "nowait";
+ if (auto *Cond = Node->getCondition()) {
+ OS << "(";
+ Cond->printPretty(OS, nullptr, Policy, 0);
+ OS << ")";
+ }
}
void OMPClausePrinter::VisitOMPUntiedClause(OMPUntiedClause *) {
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 37c4d43ec0b2f..65a03cd7f91b3 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -578,7 +578,10 @@ void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *C) {
Profiler->VisitStmt(Num);
}
-void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
+void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *C) {
+ if (C->getCondition())
+ Profiler->VisitStmt(C->getCondition());
+}
void OMPClauseProfiler::VisitOMPUntiedClause(const OMPUntiedClause *) {}
diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index 7dceb2d208352..c17f499a7710f 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -3025,6 +3025,7 @@ OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind,
case OMPC_simdlen:
case OMPC_collapse:
case OMPC_ordered:
+ case OMPC_nowait:
case OMPC_priority:
case OMPC_grainsize:
case OMPC_num_tasks:
@@ -3073,7 +3074,8 @@ OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind,
ErrorFound = true;
}
- if ((CKind == OMPC_ordered || CKind == OMPC_partial) &&
+ if ((CKind == OMPC_ordered || CKind == OMPC_nowait ||
+ CKind == OMPC_partial) &&
PP.LookAhead(/*N=*/0).isNot(tok::l_paren))
Clause = ParseOpenMPClause(CKind, WrongDirective);
else if (CKind == OMPC_grainsize || CKind == OMPC_num_tasks ||
@@ -3138,7 +3140,6 @@ OMPClause *Parser::ParseOpenMPClause(OpenMPDirectiveKind DKind,
case OMPC_holds:
Clause = ParseOpenMPSingleExprClause(CKind, WrongDirective);
break;
- case OMPC_nowait:
case OMPC_untied:
case OMPC_mergeable:
case OMPC_read:
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 6a7a5a9a4303a..b14bbfc163e9c 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -15646,6 +15646,9 @@ OMPClause *SemaOpenMP::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind,
case OMPC_ordered:
Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr);
break;
+ case OMPC_nowait:
+ Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc, LParenLoc, Expr);
+ break;
case OMPC_priority:
Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc);
break;
@@ -15701,7 +15704,6 @@ OMPClause *SemaOpenMP::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind,
case OMPC_aligned:
case OMPC_copyin:
case OMPC_copyprivate:
- case OMPC_nowait:
case OMPC_untied:
case OMPC_mergeable:
case OMPC_threadprivate:
@@ -17233,9 +17235,26 @@ OMPClause *SemaOpenMP::ActOnOpenMPClause(OpenMPClauseKind Kind,
}
OMPClause *SemaOpenMP::ActOnOpenMPNowaitClause(SourceLocation StartLoc,
- SourceLocation EndLoc) {
+ SourceLocation EndLoc,
+ SourceLocation LParenLoc,
+ Expr *Condition) {
+ Expr *ValExpr = Condition;
+ if (Condition && LParenLoc.isValid()) {
+ if (!Condition->isValueDependent() && !Condition->isTypeDependent() &&
+ !Condition->isInstantiationDependent() &&
+ !Condition->containsUnexpandedParameterPack()) {
+ ExprResult Val = SemaRef.CheckBooleanCondition(StartLoc, Condition);
+ if (Val.isInvalid())
+ return nullptr;
+
+ ValExpr = Val.get();
+ }
+ } else {
+ ValExpr = nullptr;
+ }
DSAStack->setNowaitRegion();
- return new (getASTContext()) OMPNowaitClause(StartLoc, EndLoc);
+ return new (getASTContext())
+ OMPNowaitClause(ValExpr, StartLoc, LParenLoc, EndLoc);
}
OMPClause *SemaOpenMP::ActOnOpenMPUntiedClause(SourceLocation StartLoc,
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 242ffb09af006..a748219051304 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -1857,6 +1857,17 @@ class TreeTransform {
LParenLoc, Num);
}
+ /// Build a new OpenMP 'nowait' clause.
+ ///
+ /// By default, performs semantic analysis to build the new OpenMP clause.
+ /// Subclasses may override this routine to provide different behavior.
+ OMPClause *RebuildOMPNowaitClause(Expr *Condition, SourceLocation StartLoc,
+ SourceLocation LParenLoc,
+ SourceLocation EndLoc) {
+ return getSema().OpenMP().ActOnOpenMPNowaitClause(StartLoc, EndLoc,
+ LParenLoc, Condition);
+ }
+
/// Build a new OpenMP 'private' clause.
///
/// By default, performs semantic analysis to build the new OpenMP clause.
@@ -10569,8 +10580,14 @@ TreeTransform<Derived>::TransformOMPDetachClause(OMPDetachClause *C) {
template <typename Derived>
OMPClause *
TreeTransform<Derived>::TransformOMPNowaitClause(OMPNowaitClause *C) {
- // No need to rebuild this clause, no template-dependent parameters.
- return C;
+ ExprResult Cond;
+ if (auto *Condition = C->getCondition()) {
+ Cond = getDerived().TransformExpr(Condition);
+ if (Cond.isInvalid())
+ return nullptr;
+ }
+ return getDerived().RebuildOMPNowaitClause(Cond.get(), C->getBeginLoc(),
+ C->getLParenLoc(), C->getEndLoc());
}
template <typename Derived>
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 9ee8a0fb0f060..8f9fda88bd661 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -11673,7 +11673,10 @@ void OMPClauseReader::VisitOMPDetachClause(OMPDetachClause *C) {
C->setLParenLoc(Record.readSourceLocation());
}
-void OMPClauseReader::VisitOMPNowaitClause(OMPNowaitClause *) {}
+void OMPClauseReader::VisitOMPNowaitClause(OMPNowaitClause *C) {
+ C->setCondition(Record.readSubExpr());
+ C->setLParenLoc(Record.readSourceLocation());
+}
void OMPClauseReader::VisitOMPUntiedClause(OMPUntiedClause *) {}
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 3293a54a0a093..fac91d86858e7 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -7926,7 +7926,10 @@ void OMPClauseWriter::VisitOMPOrderedClause(OMPOrderedClause *C) {
Record.AddSourceLocation(C->getLParenLoc());
}
-void OMPClauseWriter::VisitOMPNowaitClause(OMPNowaitClause *) {}
+void OMPClauseWriter::VisitOMPNowaitClause(OMPNowaitClause *C) {
+ Record.AddStmt(C->getCondition());
+ Record.AddSourceLocation(C->getLParenLoc());
+}
void OMPClauseWriter::VisitOMPUntiedClause(OMPUntiedClause *) {}
diff --git a/clang/test/OpenMP/nowait_ast_print.cpp b/clang/test/OpenMP/nowait_ast_print.cpp
new file mode 100644
index 0000000000000..4151a397beb9c
--- /dev/null
+++ b/clang/test/OpenMP/nowait_ast_print.cpp
@@ -0,0 +1,56 @@
+// Check no warnings/errors
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -fsyntax-only -verify %s
+// expected-no-diagnostics
+
+// Check AST and unparsing
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -ast-dump %s | FileCheck %s --check-prefix=DUMP
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -ast-print %s | FileCheck %s --check-prefix=PRINT
+
+// Check same results after serialization round-trip
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -emit-pch -o %t %s
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -include-pch %t -ast-dump-all %s | FileCheck %s --check-prefix=DUMP
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fopenmp -fopenmp-version=60 -include-pch %t -ast-print %s | FileCheck %s --check-prefix=PRINT
+
+#ifndef HEADER
+#define HEADER
+
+void nowait() {
+ int A=1;
+
+ // DUMP: OMPTargetDirective
+ // DUMP-NEXT: OMPNowaitClause
+ // DUMP-NEXT: <<<NULL>>>
+ // PRINT: #pragma omp target nowait
+ #pragma omp target nowait
+ {
+ }
+
+ // DUMP: OMPTargetDirective
+ // DUMP-NEXT: OMPNowaitClause
+ // DUMP-NEXT: XXBoolLiteralExpr {{.*}} 'bool' false
+ // PRINT: #pragma omp target nowait(false)
+ #pragma omp target nowait(false)
+ {
+ }
+
+ // DUMP: OMPTargetDirective
+ // DUMP-NEXT: OMPNowaitClause
+ // DUMP-NEXT: XXBoolLiteralExpr {{.*}} 'bool' true
+ // PRINT: #pragma omp target nowait(true)
+ #pragma omp target nowait(true)
+ {
+ }
+
+ // DUMP: OMPTargetDirective
+ // DUMP-NEXT: OMPNowaitClause
+ // DUMP-NEXT: BinaryOperator {{.*}} 'bool' '>'
+ // DUMP-NEXT: ImplicitCastExpr {{.*}} 'int' <LValueToRValue>
+ // DUMP-NEXT: DeclRefExpr {{.*}} 'int' lvalue Var {{.*}} 'A' 'int'
+ // DUMP-NEXT: IntegerLiteral {{.*}} 'int' 5
+ // PRINT: #pragma omp target nowait(A > 5)
+ #pragma omp target nowait(A>5)
+ {
+ }
+
+}
+#endif
\ No newline at end of file
diff --git a/clang/test/OpenMP/target_enter_data_nowait_messages.cpp b/clang/test/OpenMP/target_enter_data_nowait_messages.cpp
index ba5eaf1d2214a..0b892325a1c69 100644
--- a/clang/test/OpenMP/target_enter_data_nowait_messages.cpp
+++ b/clang/test/OpenMP/target_enter_data_nowait_messages.cpp
@@ -13,15 +13,23 @@ int main(int argc, char **argv) {
{}
#pragma omp target enter nowait data map(to: i) // expected-error {{expected an OpenMP directive}}
{}
- #pragma omp target enter data nowait() map(to: i) // expected-warning {{extra tokens at the end of '#pragma omp target enter data' are ignored}} expected-error {{expected at least one 'map' clause for '#pragma omp target enter data'}}
+ #pragma omp target enter data nowait() map(to: i) // expected-error {{expected expression}}
{}
- #pragma omp target enter data map(to: i) nowait( // expected-warning {{extra tokens at the end of '#pragma omp target enter data' are ignored}}
+ #pragma omp target enter data map(to: i) nowait( // expected-error {{expected expression}} // expected-error {{expected ')'}} // expected-note {{to match this '('}}
{}
#pragma omp target enter data map(to: i) nowait (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target enter data' are ignored}}
{}
#pragma omp target enter data map(to: i) nowait device (-10u)
{}
- #pragma omp target enter data map(to: i) nowait (3.14) device (-10u) // expected-warning {{extra tokens at the end of '#pragma omp target enter data' are ignored}}
+ #pragma omp target enter data map(to: i) nowait (3.14) device (-10u)
+ {}
+ #pragma omp target enter data map(to: i) nowait (argc>> i)
+ {}
+ #pragma omp target enter data map(to: i) nowait (argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ {}
+ #pragma omp target enter data map(to: i) nowait (argc > 0 ? argv[1] : argv[2])
+ {}
+ #pragma omp target enter data map(to: i) nowait (S1) // expected-error {{use of undeclared identifier 'S1'}}
{}
#pragma omp target enter data map(to: i) nowait nowait // expected-error {{directive '#pragma omp target enter data' cannot contain more than one 'nowait' clause}}
{}
diff --git a/clang/test/OpenMP/target_exit_data_nowait_messages.cpp b/clang/test/OpenMP/target_exit_data_nowait_messages.cpp
index 307e2c34b27fb..a248704a49e9e 100644
--- a/clang/test/OpenMP/target_exit_data_nowait_messages.cpp
+++ b/clang/test/OpenMP/target_exit_data_nowait_messages.cpp
@@ -8,11 +8,15 @@ int main(int argc, char **argv) {
#pragma omp nowait target exit data map(from: i) // expected-error {{expected an OpenMP directive}}
#pragma omp target nowait exit data map(from: i) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
#pragma omp target exit nowait data map(from: i) // expected-error {{expected an OpenMP directive}}
- #pragma omp target exit data nowait() map(from: i) // expected-warning {{extra tokens at the end of '#pragma omp target exit data' are ignored}} expected-error {{expected at least one 'map' clause for '#pragma omp target exit data'}}
- #pragma omp target exit data map(from: i) nowait( // expected-warning {{extra tokens at the end of '#pragma omp target exit data' are ignored}}
+ #pragma omp target exit data nowait() map(from: i) // expected-error {{expected expression}}
+ #pragma omp target exit data map(from: i) nowait( // expected-error {{expected expression}} // expected-error {{expected ')'}} // expected-note {{to match this '('}}
#pragma omp target exit data map(from: i) nowait (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target exit data' are ignored}}
#pragma omp target exit data map(from: i) nowait device (-10u)
- #pragma omp target exit data map(from: i) nowait (3.14) device (-10u) // expected-warning {{extra tokens at the end of '#pragma omp target exit data' are ignored}}
+ #pragma omp target exit data map(from: i) nowait (3.14) device (-10u)
+ #pragma omp target exit data map(from: i) nowait (argc>> i)
+ #pragma omp target exit data map(from: i) nowait (argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ #pragma omp target exit data map(from: i) nowait (argc > 0 ? argv[1] : argv[2])
+ #pragma omp target exit data map(from: i) nowait (S1) // expected-error {{use of undeclared identifier 'S1'}}
#pragma omp target exit data map(from: i) nowait nowait // expected-error {{directive '#pragma omp target exit data' cannot contain more than one 'nowait' clause}}
#pragma omp target exit data nowait map(from: i) nowait // expected-error {{directive '#pragma omp target exit data' cannot contain more than one 'nowait' clause}}
return 0;
diff --git a/clang/test/OpenMP/target_nowait_messages.cpp b/clang/test/OpenMP/target_nowait_messages.cpp
index 6b8a1f4d0ac47..6c2d85529eb71 100644
--- a/clang/test/OpenMP/target_nowait_messages.cpp
+++ b/clang/test/OpenMP/target_nowait_messages.cpp
@@ -6,13 +6,22 @@ void foo() {
}
int main(int argc, char **argv) {
- #pragma omp target nowait( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
+ int i;
+ #pragma omp target nowait(// expected-error {{expected expression}} // expected-error {{expected ')'}} // expected-note {{to match this '('}}
foo();
#pragma omp target nowait (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
foo();
#pragma omp target nowait device (-10u)
foo();
- #pragma omp target nowait (3.14) device (-10u) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
+ #pragma omp target nowait (3.14) device (-10u)
+ foo();
+ #pragma omp target nowait (argc>> i)
+ foo();
+ #pragma omp target nowait (argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+ foo();
+ #pragma omp target nowait (argc > 0 ? argv[1] : argv[2])
+ foo();
+ #pragma omp target nowait (S1) // expected-error {{use of unde...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/159628
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