220     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
221       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
225     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyDemandedUseBits()
227     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyDemandedUseBits()
239         SimplifyDemandedBits(I, 0, DemandedMask & ~RHSKnown.One, LHSKnown,  in SimplifyDemandedUseBits()
253     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
254       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
258     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyDemandedUseBits()
260     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
302     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
303       return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
328     if (DemandedMask.isSubsetOf(RHSKnown.Zero|RHSKnown.One) &&  in SimplifyDemandedUseBits()
329         RHSKnown.One.isSubsetOf(LHSKnown.One)) {  in SimplifyDemandedUseBits()
331                                                  ~RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
360           (LHSKnown.One & RHSKnown.One & DemandedMask) != 0) {  in SimplifyDemandedUseBits()
361         APInt NewMask = ~(LHSKnown.One & RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
625       Constant *One = ConstantInt::get(VTy, 1);  in SimplifyDemandedUseBits()  local
626       Instruction *And1 = BinaryOperator::CreateAnd(I->getOperand(0), One);  in SimplifyDemandedUseBits()
741       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
791       Known.One.lshrInPlace(ShiftAmt);  in SimplifyDemandedUseBits()
803       } else if (Known.One[BitWidth-ShiftAmt-1]) { // New bits are known one.  in SimplifyDemandedUseBits()
804         Known.One |= HighBits;  in SimplifyDemandedUseBits()
855         Known.One = LHSKnown.One & LowBits;  in SimplifyDemandedUseBits()
864         if (LHSKnown.isNegative() && LowBits.intersects(LHSKnown.One))  in SimplifyDemandedUseBits()
865           Known.One |= ~LowBits;  in SimplifyDemandedUseBits()
964         if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
998           if (DemandedMaskLHS.isSubsetOf(LHSKnown.Zero | LHSKnown.One) &&  in SimplifyDemandedUseBits()
999               !match(I->getOperand(0), m_SpecificInt(LHSKnown.One))) {  in SimplifyDemandedUseBits()
1000             replaceOperand(*I, 0, Constant::getIntegerValue(VTy, LHSKnown.One));  in SimplifyDemandedUseBits()
1005           if (DemandedMaskRHS.isSubsetOf(RHSKnown.Zero | RHSKnown.One) &&  in SimplifyDemandedUseBits()
1006               !match(I->getOperand(1), m_SpecificInt(RHSKnown.One))) {  in SimplifyDemandedUseBits()
1007             replaceOperand(*I, 1, Constant::getIntegerValue(VTy, RHSKnown.One));  in SimplifyDemandedUseBits()
1014         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
1015                     RHSKnown.One.lshr(BitWidth - ShiftAmt);  in SimplifyDemandedUseBits()
1068   if (!V->getType()->isPointerTy() && DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyDemandedUseBits()
1069     return Constant::getIntegerValue(VTy, Known.One);  in SimplifyDemandedUseBits()
1111     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
1112       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1116     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyMultipleUseDemandedBits()
1118     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyMultipleUseDemandedBits()
1132     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
1133       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1139     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1141     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1155     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
1156       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1209     if (DemandedMask.isSubsetOf(Known.Zero | Known.One))  in SimplifyMultipleUseDemandedBits()
1210       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1236     if (DemandedMask.isSubsetOf(Known.Zero|Known.One))  in SimplifyMultipleUseDemandedBits()
1237       return Constant::getIntegerValue(ITy, Known.One);  in SimplifyMultipleUseDemandedBits()
1277   Known.One.clearAllBits();  in simplifyShrShlDemandedBits()