273     Instruction *Cur = Worklist.back();  in AddReductionVar()  local
279     if (Cur->use_empty())  in AddReductionVar()
282     bool IsAPhi = isa<PHINode>(Cur);  in AddReductionVar()
285     if (Cur != Phi && IsAPhi && Cur->getParent() == Phi->getParent())  in AddReductionVar()
290     if (!Cur->isCommutative() && !IsAPhi && !isa<SelectInst>(Cur) &&  in AddReductionVar()
291         !isa<ICmpInst>(Cur) && !isa<FCmpInst>(Cur) &&  in AddReductionVar()
292         !VisitedInsts.count(dyn_cast<Instruction>(Cur->getOperand(0))))  in AddReductionVar()
298     if (Cur != Start) {  in AddReductionVar()
299       ReduxDesc = isRecurrenceInstr(Cur, Kind, ReduxDesc, HasFunNoNaNAttr);  in AddReductionVar()
307     bool IsASelect = isa<SelectInst>(Cur);  in AddReductionVar()
312         hasMultipleUsesOf(Cur, VisitedInsts, 2))  in AddReductionVar()
317         Kind != RK_FloatMinMax && hasMultipleUsesOf(Cur, VisitedInsts, 1))  in AddReductionVar()
321     if (IsAPhi && Cur != Phi && !areAllUsesIn(Cur, VisitedInsts))  in AddReductionVar()
325         (isa<ICmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
327     if (Kind == RK_FloatMinMax && (isa<FCmpInst>(Cur) || isa<SelectInst>(Cur)))  in AddReductionVar()
331     FoundReduxOp |= !IsAPhi && Cur != Start;  in AddReductionVar()
338     for (User *U : Cur->users()) {  in AddReductionVar()
346         if (ExitInstruction == Cur)  in AddReductionVar()
353         if (ExitInstruction != nullptr || Cur == Phi)  in AddReductionVar()
359         if (!is_contained(Phi->operands(), Cur))  in AddReductionVar()
362         ExitInstruction = Cur;  in AddReductionVar()
846   auto getNextInstruction = [&](Instruction *Cur) {  in getReductionOpChain()  argument
850       if (isa<SelectInst>(*Cur->user_begin()))  in getReductionOpChain()
851         return cast<Instruction>(*Cur->user_begin());  in getReductionOpChain()
853         return cast<Instruction>(*std::next(Cur->user_begin()));  in getReductionOpChain()
855     return cast<Instruction>(*Cur->user_begin());  in getReductionOpChain()
857   auto isCorrectOpcode = [&](Instruction *Cur) {  in getReductionOpChain()  argument
861           matchSelectPattern(Cur, LHS, RHS).Flavor);  in getReductionOpChain()
863     return Cur->getOpcode() == RedOp;  in getReductionOpChain()
876   Instruction *Cur = getNextInstruction(Phi);  in getReductionOpChain()  local
880   while (Cur != LoopExitInstr) {  in getReductionOpChain()
881     if (!isCorrectOpcode(Cur) || !Cur->hasNUses(ExpectedUses))  in getReductionOpChain()
884     ReductionOperations.push_back(Cur);  in getReductionOpChain()
885     Cur = getNextInstruction(Cur);  in getReductionOpChain()
888   ReductionOperations.push_back(Cur);  in getReductionOpChain()