172     SmallPtrSet<const Instruction *, 8> Visited;  in isAvailableAt()  local
173     return isAvailableAt(V, InsertPos, Visited);  in isAvailableAt()
177                      SmallPtrSetImpl<const Instruction *> &Visited) const;
236     SmallPtrSet<const Value *, 8> Visited;  in parseRangeChecks()  local
237     return parseRangeChecks(CheckCond, Checks, Visited);  in parseRangeChecks()
241                         SmallPtrSetImpl<const Value *> &Visited);
466     SmallPtrSetImpl<const Instruction *> &Visited) const {  in isAvailableAt()
468   if (!Inst || DT.dominates(Inst, Loc) || Visited.count(Inst))  in isAvailableAt()
475   Visited.insert(Inst);  in isAvailableAt()
483                 [&](Value *Op) { return isAvailableAt(Op, Loc, Visited); });  in isAvailableAt()
579     SmallPtrSetImpl<const Value *> &Visited) {  in parseRangeChecks()  argument
580   if (!Visited.insert(CheckCond).second)  in parseRangeChecks()