143   void scanInstruction(MachineInstr *MI, unsigned Idx,
146   void maybeKillChain(MachineOperand &MO, unsigned Idx,
204   Chain(MachineInstr *MI, unsigned Idx, Color C)  in Chain()  argument
206         StartInstIdx(Idx), LastInstIdx(Idx), KillInstIdx(0),  in Chain()
213   void add(MachineInstr *MI, unsigned Idx, Color C) {  in add()  argument
215     LastInstIdx = Idx;  in add()
234   void setKill(MachineInstr *MI, unsigned Idx, bool Immutable) {  in setKill()  argument
236     KillInstIdx = Idx;  in setKill()
340   unsigned Idx = 0;  in runOnBasicBlock()  local
342     scanInstruction(&MI, Idx++, ActiveChains, AllChains);  in runOnBasicBlock()
614     MachineInstr *MI, unsigned Idx, std::map<unsigned, Chain *> &ActiveChains,  in scanInstruction()  argument
621       maybeKillChain(I, Idx, ActiveChains);  in scanInstruction()
623       maybeKillChain(I, Idx, ActiveChains);  in scanInstruction()
632     auto G = llvm::make_unique<Chain>(MI, Idx, getColor(DestReg));  in scanInstruction()
643     maybeKillChain(MI->getOperand(1), Idx, ActiveChains);  in scanInstruction()
644     maybeKillChain(MI->getOperand(2), Idx, ActiveChains);  in scanInstruction()
646       maybeKillChain(MI->getOperand(0), Idx, ActiveChains);  in scanInstruction()
660         ActiveChains[AccumReg]->add(MI, Idx, getColor(DestReg));  in scanInstruction()
671       maybeKillChain(MI->getOperand(3), Idx, ActiveChains);  in scanInstruction()
676     auto G = llvm::make_unique<Chain>(MI, Idx, getColor(DestReg));  in scanInstruction()
685       maybeKillChain(I, Idx, ActiveChains);  in scanInstruction()
687       maybeKillChain(I, Idx, ActiveChains);  in scanInstruction()
693 maybeKillChain(MachineOperand &MO, unsigned Idx,  in maybeKillChain()  argument
705       ActiveChains[MO.getReg()]->setKill(MI, Idx, /*Immutable=*/MO.isTied());  in maybeKillChain()
716         I->second->setKill(MI, Idx, /*Immutable=*/true);  in maybeKillChain()