166   using PeelCounter = std::optional<unsigned>;  typedef in __anon41601d4e0111::PhiAnalyzer
167   const PeelCounter Unknown = std::nullopt;
170   PeelCounter addOne(PeelCounter PC) const {  in addOne()
173     return (*PC + 1 <= MaxIterations) ? PeelCounter{*PC + 1} : Unknown;  in addOne()
178   PeelCounter calculate(const Value &);
184   SmallDenseMap<const Value *, PeelCounter> IterationsToInvariance;
207 PhiAnalyzer::PeelCounter PhiAnalyzer::calculate(const Value &V) {  in calculate()
228     PeelCounter Iterations = calculate(*Input);  in calculate()
236       PeelCounter LHS = calculate(*I->getOperand(0));  in calculate()
239       PeelCounter RHS = calculate(*I->getOperand(1));  in calculate()
258     PeelCounter ToInvariance = calculate(PHI);  in calculateIterationsToPeel()