271     Instruction *Cur = Worklist.back();  in AddReductionVar()  local
277     if (Cur->use_empty())  in AddReductionVar()
280     bool IsAPhi = isa<PHINode>(Cur);  in AddReductionVar()
283     if (Cur != Phi && IsAPhi && Cur->getParent() == Phi->getParent())  in AddReductionVar()
288     if (!Cur->isCommutative() && !IsAPhi && !isa<SelectInst>(Cur) &&  in AddReductionVar()
289         !isa<ICmpInst>(Cur) && !isa<FCmpInst>(Cur) &&  in AddReductionVar()
290         !VisitedInsts.count(dyn_cast<Instruction>(Cur->getOperand(0))))  in AddReductionVar()
296     if (Cur != Start) {  in AddReductionVar()
297       ReduxDesc = isRecurrenceInstr(Cur, Kind, ReduxDesc, HasFunNoNaNAttr);  in AddReductionVar()
302     bool IsASelect = isa<SelectInst>(Cur);  in AddReductionVar()
307         hasMultipleUsesOf(Cur, VisitedInsts, 2))  in AddReductionVar()
312         Kind != RK_FloatMinMax && hasMultipleUsesOf(Cur, VisitedInsts, 1))  in AddReductionVar()
316     if (IsAPhi && Cur != Phi && !areAllUsesIn(Cur, VisitedInsts))  in AddReductionVar()
320         (isa<ICmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
322     if (Kind == RK_FloatMinMax && (isa<FCmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
326     FoundReduxOp |= !IsAPhi && Cur != Start;  in AddReductionVar()
333     for (User *U : Cur->users()) {  in AddReductionVar()
341         if (ExitInstruction == Cur)  in AddReductionVar()
348         if (ExitInstruction != nullptr || Cur == Phi)  in AddReductionVar()
354         if (!is_contained(Phi->operands(), Cur))  in AddReductionVar()
357         ExitInstruction = Cur;  in AddReductionVar()