[clang] [clang][OpenMP] Support for reduction clause with array elements as modifier (PR #160846)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: None (SunilKuravinakop)

<details>
<summary>Changes</summary>

Changes to support for array elements in reduction clause e.g. "reduction (+:a[1])"

---
Full diff: https://github.com/llvm/llvm-project/pull/160846.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaOpenMP.cpp (+3-1) 


``````````diff
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 48e06d1dc7579..187c091531eb7 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -2489,8 +2489,10 @@ VarDecl *SemaOpenMP::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo,
       return VD ? VD : Info.second;
     DSAStackTy::DSAVarData DVarTop =
         DSAStack->getTopDSA(D, DSAStack->isClauseParsingMode());
+
     if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) &&
-        (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee))
+        (!VD || VD->hasLocalStorage() ||
+         !(DVarTop.AppliedToPointee && DVarTop.CKind != OMPC_reduction)))
       return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl());
     // Threadprivate variables must not be captured.
     if (isOpenMPThreadPrivate(DVarTop.CKind))

``````````

</details>


https://github.com/llvm/llvm-project/pull/160846