142   APInt RHSKnownZero(BitWidth, 0), RHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()  local
160       computeKnownBits(I->getOperand(1), RHSKnownZero, RHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
168       if ((DemandedMask & ~LHSKnownZero & RHSKnownOne) ==  in SimplifyDemandedUseBits()
184       computeKnownBits(I->getOperand(1), RHSKnownZero, RHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
195       if ((DemandedMask & ~RHSKnownOne & LHSKnownZero) ==  in SimplifyDemandedUseBits()
196           (DemandedMask & ~RHSKnownOne))  in SimplifyDemandedUseBits()
204       if ((DemandedMask & (~LHSKnownZero) & RHSKnownOne) ==  in SimplifyDemandedUseBits()
211       computeKnownBits(I->getOperand(1), RHSKnownZero, RHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
243                              RHSKnownOne, Depth + 1) ||  in SimplifyDemandedUseBits()
247     assert(!(RHSKnownZero & RHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
253                          (RHSKnownOne & LHSKnownOne))) == DemandedMask)  in SimplifyDemandedUseBits()
254       return Constant::getIntegerValue(VTy, RHSKnownOne & LHSKnownOne);  in SimplifyDemandedUseBits()
258     if ((DemandedMask & ~LHSKnownZero & RHSKnownOne) ==  in SimplifyDemandedUseBits()
274     KnownOne = RHSKnownOne & LHSKnownOne;  in SimplifyDemandedUseBits()
281                              RHSKnownOne, Depth + 1) ||  in SimplifyDemandedUseBits()
282         SimplifyDemandedBits(I->getOperandUse(0), DemandedMask & ~RHSKnownOne,  in SimplifyDemandedUseBits()
285     assert(!(RHSKnownZero & RHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
291                          (RHSKnownOne | LHSKnownOne))) == DemandedMask)  in SimplifyDemandedUseBits()
292       return Constant::getIntegerValue(VTy, RHSKnownOne | LHSKnownOne);  in SimplifyDemandedUseBits()
299     if ((DemandedMask & ~RHSKnownOne & LHSKnownZero) ==  in SimplifyDemandedUseBits()
300         (DemandedMask & ~RHSKnownOne))  in SimplifyDemandedUseBits()
308     if ((DemandedMask & (~LHSKnownZero) & RHSKnownOne) ==  in SimplifyDemandedUseBits()
319     KnownOne = RHSKnownOne | LHSKnownOne;  in SimplifyDemandedUseBits()
323                              RHSKnownOne, Depth + 1) ||  in SimplifyDemandedUseBits()
327     assert(!(RHSKnownZero & RHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
332                        (RHSKnownOne & LHSKnownOne);  in SimplifyDemandedUseBits()
335                        (RHSKnownOne & LHSKnownZero);  in SimplifyDemandedUseBits()
363     if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {  in SimplifyDemandedUseBits()
365       if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) {  in SimplifyDemandedUseBits()
367                                                    ~RHSKnownOne & DemandedMask);  in SimplifyDemandedUseBits()
386           (LHSKnownOne & RHSKnownOne & DemandedMask) != 0) {  in SimplifyDemandedUseBits()
389         APInt NewMask = ~(LHSKnownOne & RHSKnownOne & DemandedMask);  in SimplifyDemandedUseBits()
403     KnownZero= (RHSKnownZero & LHSKnownZero) | (RHSKnownOne & LHSKnownOne);  in SimplifyDemandedUseBits()
405     KnownOne = (RHSKnownZero & LHSKnownOne) | (RHSKnownOne & LHSKnownZero);  in SimplifyDemandedUseBits()
416                              RHSKnownOne, Depth + 1) ||  in SimplifyDemandedUseBits()
420     assert(!(RHSKnownZero & RHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
429     KnownOne = RHSKnownOne & LHSKnownOne;  in SimplifyDemandedUseBits()