Only emit unordered loops as omp loops

Author: ivanradanov

flang/lib/Optimizer/Builder/HLFIRTools.cpp

@@ -858,6 +858,7 @@ hlfir::LoopNest hlfir::genLoopNest(mlir::Location loc,
                                    fir::FirOpBuilder &builder,
                                    mlir::ValueRange extents, bool isUnordered,
                                    bool emitWorkshareLoop) {
+  emitWorkshareLoop = emitWorkshareLoop && isUnordered;
   hlfir::LoopNest loopNest;
   assert(!extents.empty() && "must have at least one extent");
   mlir::OpBuilder::InsertionGuard guard(builder);