923       LaneBitmask LastUseMask = getLastUsedLanes(Reg, SlotIdx);  in advance()  local
924       if (LastUseMask.any()) {  in advance()
925         LiveRegs.erase(RegisterMaskPair(Reg, LastUseMask));  in advance()
926         decreaseRegPressure(Reg, LiveMask, LiveMask & ~LastUseMask);  in advance()
1221 static LaneBitmask findUseBetween(unsigned Reg, LaneBitmask LastUseMask,  in findUseBetween()  argument
1234       LastUseMask &= ~UseMask;  in findUseBetween()
1235       if (LastUseMask.none())  in findUseBetween()
1239   return LastUseMask;  in findUseBetween()
1297       LaneBitmask LastUseMask = getLastUsedLanes(Reg, SlotIdx);  in bumpDownwardPressure()  local
1298       if (LastUseMask.none())  in bumpDownwardPressure()
1306       LastUseMask  in bumpDownwardPressure()
1307         = findUseBetween(Reg, LastUseMask, CurrIdx, SlotIdx, *MRI, LIS);  in bumpDownwardPressure()
1308       if (LastUseMask.none())  in bumpDownwardPressure()
1312       LaneBitmask NewMask = LiveMask & ~LastUseMask;  in bumpDownwardPressure()