[OPENMP50]Fix PR45117: Orphaned task reduction should be allowed.
Add support for orpahned task reductions.
diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index bef36bf..af7056a 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -24,6 +24,7 @@
#include "clang/Basic/OpenMPKinds.h"
#include "clang/Basic/PrettyStackTrace.h"
#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
+#include "llvm/IR/Constants.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Support/AtomicOrdering.h"
using namespace clang;
@@ -3535,9 +3536,13 @@
// initializer/combiner/finalizer.
CGF.CGM.getOpenMPRuntime().emitTaskReductionFixups(CGF, S.getBeginLoc(),
RedCG, Cnt);
- llvm::Value *ReductionsPtr =
- CGF.EmitLoadOfScalar(CGF.EmitLValue(TaskgroupDescriptors[Cnt]),
- TaskgroupDescriptors[Cnt]->getExprLoc());
+ llvm::Value *ReductionsPtr;
+ if (const Expr *TRExpr = TaskgroupDescriptors[Cnt]) {
+ ReductionsPtr = CGF.EmitLoadOfScalar(CGF.EmitLValue(TRExpr),
+ TRExpr->getExprLoc());
+ } else {
+ ReductionsPtr = llvm::ConstantPointerNull::get(CGF.VoidPtrTy);
+ }
Address Replacement = CGF.CGM.getOpenMPRuntime().getTaskReductionItem(
CGF, S.getBeginLoc(), ReductionsPtr, RedCG.getSharedLValue(Cnt));
Replacement = Address(