141                                              LaneBitmask PreviousMask,  in increaseRegPressure()  argument
143   if (PreviousMask.any() || NewMask.none())  in increaseRegPressure()
156                                              LaneBitmask PreviousMask,  in decreaseRegPressure()  argument
158   decreaseSetPressure(CurrSetPressure, *MRI, RegUnit, PreviousMask, NewMask);  in decreaseRegPressure()
760     LaneBitmask PreviousMask = LiveRegs.erase(Def);  in recede()  local
761     LaneBitmask NewMask = PreviousMask & ~Def.LaneMask;  in recede()
763     LaneBitmask LiveOut = Def.LaneMask & ~PreviousMask;  in recede()
769       PreviousMask = LiveOut;  in recede()
779     decreaseRegPressure(Reg, PreviousMask, NewMask);  in recede()
790     LaneBitmask PreviousMask = LiveRegs.insert(Use);  in recede()  local
791     LaneBitmask NewMask = PreviousMask | Use.LaneMask;  in recede()
792     if (NewMask == PreviousMask)  in recede()
796     if (PreviousMask.none()) {  in recede()
824     increaseRegPressure(Reg, PreviousMask, NewMask);  in recede()
913     LaneBitmask PreviousMask = LiveRegs.insert(Def);  in advance()  local
914     LaneBitmask NewMask = PreviousMask | Def.LaneMask;  in advance()
915     increaseRegPressure(Def.RegUnit, PreviousMask, NewMask);  in advance()