4458 struct AAIsDeadFunction : public AAIsDead {  struct
4459   AAIsDeadFunction(const IRPosition &IRP, Attributor &A) : AAIsDead(IRP, A) {}  in AAIsDeadFunction()  function
4462   void initialize(Attributor &A) override {  in initialize()
4471   bool isAssumedDeadInternalFunction(Attributor &A) {  in isAssumedDeadInternalFunction()
4480   const std::string getAsStr(Attributor *A) const override {  in getAsStr()
4488   ChangeStatus manifest(Attributor &A) override {  in manifest()
4539   bool isEdgeDead(const BasicBlock *From, const BasicBlock *To) const override {  in isEdgeDead()
4547   void trackStatistics() const override {}  in trackStatistics()
4550   bool isAssumedDead() const override { return false; }  in isAssumedDead()
4553   bool isKnownDead() const override { return false; }  in isKnownDead()
4556   bool isAssumedDead(const BasicBlock *BB) const override {  in isAssumedDead()
4566   bool isKnownDead(const BasicBlock *BB) const override {  in isKnownDead()
4571   bool isAssumedDead(const Instruction *I) const override {  in isAssumedDead()
4594   bool isKnownDead(const Instruction *I) const override {  in isKnownDead()
4600   bool assumeLive(Attributor &A, const BasicBlock &BB) {  in assumeLive()
4618   SmallSetVector<const Instruction *, 8> ToBeExploredFrom;
4621   SmallSetVector<const Instruction *, 8> KnownDeadEnds;
4624   DenseSet<std::pair<const BasicBlock *, const BasicBlock *>> AssumedLiveEdges;
4627   DenseSet<const BasicBlock *> AssumedLiveBlocks;