677         GCNDownwardRPTracker RPT(LIS);  in runOnMachineFunction()  local
678         RPT.reset(MBB.front());  in runOnMachineFunction()
680         LiveIn = RPT.getLiveRegs();  in runOnMachineFunction()
682         while (!RPT.advanceBeforeNext()) {  in runOnMachineFunction()
683           GCNRegPressure RPBeforeMI = RPT.getPressure();  in runOnMachineFunction()
684           RPT.advanceToNext();  in runOnMachineFunction()
685           RP.emplace_back(RPBeforeMI, RPT.getPressure());  in runOnMachineFunction()
688         LiveOut = RPT.getLiveRegs();  in runOnMachineFunction()
689         RPAtMBBEnd = RPT.getPressure();  in runOnMachineFunction()
692       GCNUpwardRPTracker RPT(LIS);  in runOnMachineFunction()  local
693       RPT.reset(MRI, MBBEndSlot);  in runOnMachineFunction()
695       LiveOut = RPT.getLiveRegs();  in runOnMachineFunction()
696       RPAtMBBEnd = RPT.getPressure();  in runOnMachineFunction()
699         RPT.resetMaxPressure();  in runOnMachineFunction()
700         RPT.recede(MI);  in runOnMachineFunction()
702           RP.emplace_back(RPT.getPressure(), RPT.getMaxPressure());  in runOnMachineFunction()
705       LiveIn = RPT.getLiveRegs();  in runOnMachineFunction()