291     // Check if this is one of multiple writes performed by this  in addRegisterWrite()
404   // We only allow move elimination for writes that update a full physical  in canEliminateMove()
406   // registers because writes to those registers are not partial writes.  If a  in canEliminateMove()
426 bool RegisterFile::tryEliminateMoveOrSwap(MutableArrayRef<WriteState> Writes,  in tryEliminateMoveOrSwap()  argument
428   if (Writes.size() != Reads.size())  in tryEliminateMoveOrSwap()
431   // This logic assumes that writes and reads are contributed by a register move  in tryEliminateMoveOrSwap()
434   // exactly two writes.  in tryEliminateMoveOrSwap()
435   if (Writes.empty() || Writes.size() > 2)  in tryEliminateMoveOrSwap()
440       RegisterMappings[Writes[0].getRegisterID()].second;  in tryEliminateMoveOrSwap()
446       (RMT.NumMoveEliminated + Writes.size()) > RMT.MaxMoveEliminatedPerCycle)  in tryEliminateMoveOrSwap()
449   for (size_t I = 0, E = Writes.size(); I < E; ++I) {  in tryEliminateMoveOrSwap()
451     const WriteState &WS = Writes[E - (I + 1)];  in tryEliminateMoveOrSwap()
456   for (size_t I = 0, E = Writes.size(); I < E; ++I) {  in tryEliminateMoveOrSwap()
458     WriteState &WS = Writes[E - (I + 1)];  in tryEliminateMoveOrSwap()
504     SmallVectorImpl<WriteRef> &Writes,  in collectWrites()  argument
511   LLVM_DEBUG(dbgs() << "[PRF] collecting writes for register "  in collectWrites()
521     Writes.push_back(WR);  in collectWrites()
536       Writes.push_back(WR);  in collectWrites()
549   if (Writes.size() > 1) {  in collectWrites()
550     sort(Writes, [](const WriteRef &Lhs, const WriteRef &Rhs) {  in collectWrites()
553     auto It = llvm::unique(Writes);  in collectWrites()
554     Writes.resize(std::distance(Writes.begin(), It));  in collectWrites()
558     for (const WriteRef &WR : Writes) {  in collectWrites()
571   SmallVector<WriteRef, 4> Writes;  in checkRAWHazards()  local
578   collectWrites(STI, RS, Writes, CommittedWrites);  in checkRAWHazards()
579   for (const WriteRef &WR : Writes) {  in checkRAWHazards()
601   Writes.clear();  in checkRAWHazards()
634   // We know that this read depends on all the writes in DependentWrites.  in addRegisterRead()