157   Metadata *mapMetadata(const Metadata *MD);
185   Optional<Metadata *> mapSimpleMetadata(const Metadata *MD);
187   Metadata *mapToMetadata(const Metadata *Key, Metadata *Val);
188   Metadata *mapToSelf(const Metadata *MD);
203     SmallDenseMap<const Metadata *, Data, 32> Info; // Node properties.
213     Metadata &getFwdReference(MDNode &Op);
220   SmallDenseMap<const Metadata *, Data, 32> InfoStorage;
244   Metadata *map(const MDNode &N);
266   Metadata *mapTopLevelUniquedNode(const MDNode &FirstN);
276   Optional<Metadata *> tryToMapOperand(const Metadata *Op);
288   Optional<Metadata *> getMappedOp(const Metadata *Op) const;
380     const Metadata *MD = MDV->getMetadata();  in mapValue()
508 Metadata *Mapper::mapToMetadata(const Metadata *Key, Metadata *Val) {  in mapToMetadata()
513 Metadata *Mapper::mapToSelf(const Metadata *MD) {  in mapToSelf()
514   return mapToMetadata(MD, const_cast<Metadata *>(MD));  in mapToSelf()
517 Optional<Metadata *> MDNodeMapper::tryToMapOperand(const Metadata *Op) {  in tryToMapOperand()
521   if (Optional<Metadata *> MappedOp = M.mapSimpleMetadata(Op)) {  in tryToMapOperand()
540 static Metadata *cloneOrBuildODR(const MDNode &N) {  in cloneOrBuildODR()
567 Optional<Metadata *> MDNodeMapper::getMappedOp(const Metadata *Op) const {  in getMappedOp()
571   if (Optional<Metadata *> MappedOp = M.getVM().getMappedMD(Op))  in getMappedOp()
575     return const_cast<Metadata *>(Op);  in getMappedOp()
583 Metadata &MDNodeMapper::UniquedGraph::getFwdReference(MDNode &Op) {  in getFwdReference()
602     Metadata *Old = N.getOperand(I);  in remapOperands()
603     Metadata *New = mapOperand(Old);  in remapOperands()
661     Metadata *Op = *I++; // Increment even on early return.  in visitOperands()
662     if (Optional<Metadata *> MappedOp = tryToMapOperand(Op)) {  in visitOperands()
687       if (llvm::none_of(N->operands(), [&](const Metadata *Op) {  in propagateChanges()
714     remapOperands(*ClonedN, [this, &D, &G](Metadata *Old) {  in mapNodesInPOT()
715       if (Optional<Metadata *> MappedOp = getMappedOp(Old))  in mapNodesInPOT()
737 Metadata *MDNodeMapper::map(const MDNode &N) {  in map()
745   Metadata *MappedN =  in map()
748     remapOperands(*DistinctWorklist.pop_back_val(), [this](Metadata *Old) {  in map()
749       if (Optional<Metadata *> MappedOp = tryToMapOperand(Old))  in map()
756 Metadata *MDNodeMapper::mapTopLevelUniquedNode(const MDNode &FirstN) {  in mapTopLevelUniquedNode()
792 Optional<Metadata *> Mapper::mapSimpleMetadata(const Metadata *MD) {  in mapSimpleMetadata()
794   if (Optional<Metadata *> NewMD = getVM().getMappedMD(MD))  in mapSimpleMetadata()
798     return const_cast<Metadata *>(MD);  in mapSimpleMetadata()
803     return const_cast<Metadata *>(MD);  in mapSimpleMetadata()
821 Metadata *Mapper::mapMetadata(const Metadata *MD) {  in mapMetadata()
825   if (Optional<Metadata *> NewMD = mapSimpleMetadata(MD))  in mapMetadata()
1105 Metadata *ValueMapper::mapMetadata(const Metadata &MD) {  in mapMetadata()