141   APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()  local
162       computeKnownBits(I->getOperand(0), LHSKnownZero, LHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
171       if ((DemandedMask & ~RHSKnownZero & LHSKnownOne) ==  in SimplifyDemandedUseBits()
186       computeKnownBits(I->getOperand(0), LHSKnownZero, LHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
192       if ((DemandedMask & ~LHSKnownOne & RHSKnownZero) ==  in SimplifyDemandedUseBits()
193           (DemandedMask & ~LHSKnownOne))  in SimplifyDemandedUseBits()
201       if ((DemandedMask & (~RHSKnownZero) & LHSKnownOne) ==  in SimplifyDemandedUseBits()
213       computeKnownBits(I->getOperand(0), LHSKnownZero, LHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()
245                              LHSKnownZero, LHSKnownOne, Depth + 1))  in SimplifyDemandedUseBits()
248     assert(!(LHSKnownZero & LHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
253                          (RHSKnownOne & LHSKnownOne))) == DemandedMask)  in SimplifyDemandedUseBits()
254       return Constant::getIntegerValue(VTy, RHSKnownOne & LHSKnownOne);  in SimplifyDemandedUseBits()
261     if ((DemandedMask & ~RHSKnownZero & LHSKnownOne) ==  in SimplifyDemandedUseBits()
274     KnownOne = RHSKnownOne & LHSKnownOne;  in SimplifyDemandedUseBits()
283                              LHSKnownZero, LHSKnownOne, Depth + 1))  in SimplifyDemandedUseBits()
286     assert(!(LHSKnownZero & LHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
291                          (RHSKnownOne | LHSKnownOne))) == DemandedMask)  in SimplifyDemandedUseBits()
292       return Constant::getIntegerValue(VTy, RHSKnownOne | LHSKnownOne);  in SimplifyDemandedUseBits()
296     if ((DemandedMask & ~LHSKnownOne & RHSKnownZero) ==  in SimplifyDemandedUseBits()
297         (DemandedMask & ~LHSKnownOne))  in SimplifyDemandedUseBits()
305     if ((DemandedMask & (~RHSKnownZero) & LHSKnownOne) ==  in SimplifyDemandedUseBits()
319     KnownOne = RHSKnownOne | LHSKnownOne;  in SimplifyDemandedUseBits()
325                              LHSKnownOne, Depth + 1))  in SimplifyDemandedUseBits()
328     assert(!(LHSKnownZero & LHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
332                        (RHSKnownOne & LHSKnownOne);  in SimplifyDemandedUseBits()
334     APInt IKnownOne =  (RHSKnownZero & LHSKnownOne) |  in SimplifyDemandedUseBits()
365       if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) {  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()
418                              LHSKnownOne, Depth + 1))  in SimplifyDemandedUseBits()
421     assert(!(LHSKnownZero & LHSKnownOne) && "Bits known to be one AND zero?");  in SimplifyDemandedUseBits()
429     KnownOne = RHSKnownOne & LHSKnownOne;  in SimplifyDemandedUseBits()
534                                LHSKnownZero, LHSKnownOne, Depth + 1) ||  in SimplifyDemandedUseBits()
537                                LHSKnownZero, LHSKnownOne, Depth + 1)) {  in SimplifyDemandedUseBits()
687                                  LHSKnownOne, Depth + 1))  in SimplifyDemandedUseBits()
692         KnownOne = LHSKnownOne & LowBits;  in SimplifyDemandedUseBits()
701         if (LHSKnownOne[BitWidth-1] && ((LHSKnownOne & LowBits) != 0))  in SimplifyDemandedUseBits()
711       APInt LHSKnownZero(BitWidth, 0), LHSKnownOne(BitWidth, 0);  in SimplifyDemandedUseBits()  local
712       computeKnownBits(I->getOperand(0), LHSKnownZero, LHSKnownOne, Depth + 1,  in SimplifyDemandedUseBits()