134       auto &Copy = I.first->second;  in trackCopy()  local
135       if (!is_contained(Copy.DefRegs, Def))  in trackCopy()
136         Copy.DefRegs.push_back(Def);  in trackCopy()
212   bool eraseIfRedundant(MachineInstr &Copy, unsigned Src, unsigned Def);
214   bool isForwardableRegClassCopy(const MachineInstr &Copy,
239     if (MachineInstr *Copy = Tracker.findCopyForUnit(*RUI, *TRI)) {  in ReadRegister()  local
240       LLVM_DEBUG(dbgs() << "MCP: Copy is used - not dead: "; Copy->dump());  in ReadRegister()
241       MaybeDeadCopies.remove(Copy);  in ReadRegister()
269 bool MachineCopyPropagation::eraseIfRedundant(MachineInstr &Copy, unsigned Src,  in eraseIfRedundant()  argument
277   MachineInstr *PrevCopy = Tracker.findAvailCopy(Copy, Def, *TRI);  in eraseIfRedundant()
287   LLVM_DEBUG(dbgs() << "MCP: copy is a NOP, removing: "; Copy.dump());  in eraseIfRedundant()
291   assert(Copy.isCopy());  in eraseIfRedundant()
292   unsigned CopyDef = Copy.getOperand(0).getReg();  in eraseIfRedundant()
295        make_range(PrevCopy->getIterator(), Copy.getIterator()))  in eraseIfRedundant()
298   Copy.eraseFromParent();  in eraseIfRedundant()
307 bool MachineCopyPropagation::isForwardableRegClassCopy(const MachineInstr &Copy,  in isForwardableRegClassCopy()  argument
311   unsigned CopySrcReg = Copy.getOperand(1).getReg();  in isForwardableRegClassCopy()
398     MachineInstr *Copy = Tracker.findAvailCopy(MI, MOUse.getReg(), *TRI);  in forwardUses()  local
399     if (!Copy)  in forwardUses()
402     unsigned CopyDstReg = Copy->getOperand(0).getReg();  in forwardUses()
403     const MachineOperand &CopySrc = Copy->getOperand(1);  in forwardUses()
418     if (!isForwardableRegClassCopy(*Copy, MI, OpIdx))  in forwardUses()
432                       << "\n     in " << MI << "     from " << *Copy);  in forwardUses()
442          make_range(Copy->getIterator(), std::next(MI.getIterator())))  in forwardUses()