================
@@ -706,6 +736,48 @@ SemaOpenACC::ActOnClause(ArrayRef<const OpenACCClause *>
ExistingClauses,
Clause.getLParenLoc(), Clause.getDeviceTypeArchitectures(),
Clause.getEndLoc());
}
+ case OpenACCClauseKind::Reduction: {
+ // Restrictions only properly implemented on 'compute' constructs, and
+ // 'compute' constructs are the only construct that can do anything with
+ // this yet, so skip/treat as unimplemented in this case.
+ if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind()))
+ break;
+
+ // OpenACC 3.3 Section 2.5.4:
+ // A reduction clause may not appear on a parallel construct with a
+ // num_gangs clause that has more than one argument.
+ if (Clause.getDirectiveKind() == OpenACCDirectiveKind::Parallel) {
+ auto NumGangsClauses =
+ llvm::make_filter_range(ExistingClauses, [](const OpenACCClause *C) {
+ return C->getClauseKind() == OpenACCClauseKind::NumGangs;
+ });
----------------
alexey-bataev wrote:
`llvm::make_filter_range(ExistingClauses, IsaPred<OpenACCNumGangsClause>)`?
https://github.com/llvm/llvm-project/pull/92808
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