238     Instruction *Cur = Worklist.back();  in AddReductionVar()  local
244     if (Cur->use_empty())  in AddReductionVar()
247     bool IsAPhi = isa<PHINode>(Cur);  in AddReductionVar()
250     if (Cur != Phi && IsAPhi && Cur->getParent() == Phi->getParent())  in AddReductionVar()
255     if (!Cur->isCommutative() && !IsAPhi && !isa<SelectInst>(Cur) &&  in AddReductionVar()
256         !isa<ICmpInst>(Cur) && !isa<FCmpInst>(Cur) &&  in AddReductionVar()
257         !VisitedInsts.count(dyn_cast<Instruction>(Cur->getOperand(0))))  in AddReductionVar()
263     if (Cur != Start) {  in AddReductionVar()
264       ReduxDesc = isRecurrenceInstr(Cur, Kind, ReduxDesc, HasFunNoNaNAttr);  in AddReductionVar()
271         hasMultipleUsesOf(Cur, VisitedInsts))  in AddReductionVar()
275     if (IsAPhi && Cur != Phi && !areAllUsesIn(Cur, VisitedInsts))  in AddReductionVar()
279         (isa<ICmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
281     if (Kind == RK_FloatMinMax && (isa<FCmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
285     FoundReduxOp |= !IsAPhi && Cur != Start;  in AddReductionVar()
292     for (User *U : Cur->users()) {  in AddReductionVar()
302         if (ExitInstruction != nullptr || Cur == Phi)  in AddReductionVar()
308         if (std::find(Phi->op_begin(), Phi->op_end(), Cur) == Phi->op_end())  in AddReductionVar()
311         ExitInstruction = Cur;  in AddReductionVar()