32   Size += sizeof(FrameId) * IAI.CallStack.size();  in serializedSizeV0()
139     LE.write<uint64_t>(N.CallStack.size());  in serializeV0()
140     for (const FrameId &Id : N.CallStack)  in serializeV0()
230       Node.CallStack.push_back(Id);  in deserializeV0()
232     Node.CSId = hashCallStack(Node.CallStack);  in deserializeV0()
349     AI.CallStack = Callback(IndexedAI.CSId);  in toMemProfRecord()
444     const llvm::SmallVector<FrameId> *CallStack,  in encodeCallStack()  argument
450     auto Pos = std::mismatch(Prev->rbegin(), Prev->rend(), CallStack->rbegin(),  in encodeCallStack()
451                              CallStack->rend());  in encodeCallStack()
452     CommonLen = std::distance(CallStack->rbegin(), Pos.second);  in encodeCallStack()
470   assert(CommonLen <= CallStack->size());  in encodeCallStack()
471   for (FrameId F : llvm::drop_begin(llvm::reverse(*CallStack), CommonLen)) {  in encodeCallStack()
476   assert(CallStack->size() == Indexes.size());  in encodeCallStack()
479   RadixArray.push_back(CallStack->size());  in encodeCallStack()
593   for (const auto &[CSId, CallStack] : llvm::reverse(CallStacks)) {  in build()
595         encodeCallStack(&CallStack, Prev, MemProfFrameIndexes);  in build()
597     Prev = &CallStack;  in build()
633     assert(AS.CSId == hashCallStack(AS.CallStack));  in verifyIndexedMemProfRecord()