441   LiveOutInfo &DestLOI = LiveOutRegInfo[DestReg];  in ComputePHILiveOutRegInfo()  local
445     DestLOI.NumSignBits = 1;  in ComputePHILiveOutRegInfo()
447     DestLOI.KnownZero = Zero;  in ComputePHILiveOutRegInfo()
448     DestLOI.KnownOne = Zero;  in ComputePHILiveOutRegInfo()
454     DestLOI.NumSignBits = Val.getNumSignBits();  in ComputePHILiveOutRegInfo()
455     DestLOI.KnownZero = ~Val;  in ComputePHILiveOutRegInfo()
456     DestLOI.KnownOne = Val;  in ComputePHILiveOutRegInfo()
462       DestLOI.IsValid = false;  in ComputePHILiveOutRegInfo()
467       DestLOI.IsValid = false;  in ComputePHILiveOutRegInfo()
470     DestLOI = *SrcLOI;  in ComputePHILiveOutRegInfo()
473   assert(DestLOI.KnownZero.getBitWidth() == BitWidth &&  in ComputePHILiveOutRegInfo()
474          DestLOI.KnownOne.getBitWidth() == BitWidth &&  in ComputePHILiveOutRegInfo()
480       DestLOI.NumSignBits = 1;  in ComputePHILiveOutRegInfo()
482       DestLOI.KnownZero = Zero;  in ComputePHILiveOutRegInfo()
483       DestLOI.KnownOne = Zero;  in ComputePHILiveOutRegInfo()
489       DestLOI.NumSignBits = std::min(DestLOI.NumSignBits, Val.getNumSignBits());  in ComputePHILiveOutRegInfo()
490       DestLOI.KnownZero &= ~Val;  in ComputePHILiveOutRegInfo()
491       DestLOI.KnownOne &= Val;  in ComputePHILiveOutRegInfo()
499       DestLOI.IsValid = false;  in ComputePHILiveOutRegInfo()
504       DestLOI.IsValid = false;  in ComputePHILiveOutRegInfo()
507     DestLOI.NumSignBits = std::min(DestLOI.NumSignBits, SrcLOI->NumSignBits);  in ComputePHILiveOutRegInfo()
508     DestLOI.KnownZero &= SrcLOI->KnownZero;  in ComputePHILiveOutRegInfo()
509     DestLOI.KnownOne &= SrcLOI->KnownOne;  in ComputePHILiveOutRegInfo()