174     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
175       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
179     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyDemandedUseBits()
181     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyDemandedUseBits()
193         SimplifyDemandedBits(I, 0, DemandedMask & ~RHSKnown.One, LHSKnown,  in SimplifyDemandedUseBits()
203     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
204       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
208     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyDemandedUseBits()
210     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
241     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
242       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
265     if (DemandedMask.isSubsetOf(RHSKnown.Zero|RHSKnown.One) &&  in SimplifyDemandedUseBits()
266         RHSKnown.One.isSubsetOf(LHSKnown.One)) {  in SimplifyDemandedUseBits()
268                                                  ~RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
297           (LHSKnown.One & RHSKnown.One & DemandedMask) != 0) {  in SimplifyDemandedUseBits()
298         APInt NewMask = ~(LHSKnown.One & RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
555       bool SignBitOne = Known.One.isSignBitSet();  in SimplifyDemandedUseBits()
557       Known.One  <<= ShiftAmt;  in SimplifyDemandedUseBits()
568           Known.One.setSignBit();  in SimplifyDemandedUseBits()
605       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
656       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
667       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
668         Known.One |= HighBits;  in SimplifyDemandedUseBits()
717         Known.One = LHSKnown.One & LowBits;  in SimplifyDemandedUseBits()
726         if (LHSKnown.isNegative() && LowBits.intersects(LHSKnown.One))  in SimplifyDemandedUseBits()
727           Known.One |= ~LowBits;  in SimplifyDemandedUseBits()
827         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
828                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
851   if (DemandedMask.isSubsetOf(Known.Zero|Known.One))  in SimplifyDemandedUseBits()
852     return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
883     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
884       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
889     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyMultipleUseDemandedBits()
891     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyMultipleUseDemandedBits()
909     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
910       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
915     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
917     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
934     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
935       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
952     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
953       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
979     if (DemandedMask.isSubsetOf(Known.Zero|Known.One))  in SimplifyMultipleUseDemandedBits()
980       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1020   Known.One.clearAllBits();  in simplifyShrShlDemandedBits()