178     APInt IKnownOne = RHSKnown.One & LHSKnown.One;  in SimplifyDemandedUseBits()
187     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyDemandedUseBits()
189     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyDemandedUseBits()
197     Known.One  = std::move(IKnownOne);  in SimplifyDemandedUseBits()
203         SimplifyDemandedBits(I, 0, DemandedMask & ~RHSKnown.One, LHSKnown,  in SimplifyDemandedUseBits()
212     APInt IKnownOne = RHSKnown.One | LHSKnown.One;  in SimplifyDemandedUseBits()
221     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyDemandedUseBits()
223     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
231     Known.One  = std::move(IKnownOne);  in SimplifyDemandedUseBits()
243                        (RHSKnown.One & LHSKnown.One);  in SimplifyDemandedUseBits()
245     APInt IKnownOne =  (RHSKnown.Zero & LHSKnown.One) |  in SimplifyDemandedUseBits()
246                        (RHSKnown.One & LHSKnown.Zero);  in SimplifyDemandedUseBits()
274     if (DemandedMask.isSubsetOf(RHSKnown.Zero|RHSKnown.One) &&  in SimplifyDemandedUseBits()
275         RHSKnown.One.isSubsetOf(LHSKnown.One)) {  in SimplifyDemandedUseBits()
277                                                  ~RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
295           (LHSKnown.One & RHSKnown.One & DemandedMask) != 0) {  in SimplifyDemandedUseBits()
298         APInt NewMask = ~(LHSKnown.One & RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
314     Known.One  = std::move(IKnownOne);  in SimplifyDemandedUseBits()
357     Known.One = RHSKnown.One & LHSKnown.One;  in SimplifyDemandedUseBits()
491       Known.One  <<= ShiftAmt;  in SimplifyDemandedUseBits()
515       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
564       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
575       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
576         Known.One |= HighBits;  in SimplifyDemandedUseBits()
620         Known.One = LHSKnown.One & LowBits;  in SimplifyDemandedUseBits()
629         if (LHSKnown.isNegative() && LowBits.intersects(LHSKnown.One))  in SimplifyDemandedUseBits()
630           Known.One |= ~LowBits;  in SimplifyDemandedUseBits()
713         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
714                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
756   if (DemandedMask.isSubsetOf(Known.Zero|Known.One))  in SimplifyDemandedUseBits()
757     return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
789     APInt IKnownOne = RHSKnown.One & LHSKnown.One;  in SimplifyMultipleUseDemandedBits()
799     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyMultipleUseDemandedBits()
801     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyMultipleUseDemandedBits()
805     Known.One  = std::move(IKnownOne);  in SimplifyMultipleUseDemandedBits()
820     APInt IKnownOne = RHSKnown.One | LHSKnown.One;  in SimplifyMultipleUseDemandedBits()
830     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
832     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
836     Known.One  = std::move(IKnownOne);  in SimplifyMultipleUseDemandedBits()
849                        (RHSKnown.One & LHSKnown.One);  in SimplifyMultipleUseDemandedBits()
851     APInt IKnownOne =  (RHSKnown.Zero & LHSKnown.One) |  in SimplifyMultipleUseDemandedBits()
852                        (RHSKnown.One & LHSKnown.Zero);  in SimplifyMultipleUseDemandedBits()
869     Known.One  = std::move(IKnownOne);  in SimplifyMultipleUseDemandedBits()
878     if (DemandedMask.isSubsetOf(Known.Zero|Known.One))  in SimplifyMultipleUseDemandedBits()
879       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
922   Known.One.clearAllBits();  in simplifyShrShlDemandedBits()