156                                              LaneBitmask PreviousMask,  in increaseRegPressure()  argument
158   if (PreviousMask.any() || NewMask.none())  in increaseRegPressure()
171                                              LaneBitmask PreviousMask,  in decreaseRegPressure()  argument
173   decreaseSetPressure(CurrSetPressure, *MRI, RegUnit, PreviousMask, NewMask);  in decreaseRegPressure()
777     LaneBitmask PreviousMask = LiveRegs.erase(Def);  in recede()  local
778     LaneBitmask NewMask = PreviousMask & ~Def.LaneMask;  in recede()
780     LaneBitmask LiveOut = Def.LaneMask & ~PreviousMask;  in recede()
786       PreviousMask = LiveOut;  in recede()
796     decreaseRegPressure(Reg, PreviousMask, NewMask);  in recede()
807     LaneBitmask PreviousMask = LiveRegs.insert(Use);  in recede()  local
808     LaneBitmask NewMask = PreviousMask | Use.LaneMask;  in recede()
809     if (NewMask == PreviousMask)  in recede()
813     if (PreviousMask.none()) {  in recede()
841     increaseRegPressure(Reg, PreviousMask, NewMask);  in recede()
936     LaneBitmask PreviousMask = LiveRegs.insert(Def);  in advance()  local
937     LaneBitmask NewMask = PreviousMask | Def.LaneMask;  in advance()
938     increaseRegPressure(Def.RegUnit, PreviousMask, NewMask);  in advance()