171   KnownBits LHSKnown(BitWidth), RHSKnown(BitWidth);  in SimplifyDemandedUseBits()  local
195         SimplifyDemandedBits(I, 0, DemandedFromOps, LHSKnown, Depth + 1, Q) ||  in SimplifyDemandedUseBits()
211         SimplifyDemandedBits(I, 0, DemandedMask & ~RHSKnown.Zero, LHSKnown,  in SimplifyDemandedUseBits()
215     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyDemandedUseBits()
225     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyDemandedUseBits()
227     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyDemandedUseBits()
231     if (ShrinkDemandedConstant(I, 1, DemandedMask & ~LHSKnown.Zero))  in SimplifyDemandedUseBits()
239         SimplifyDemandedBits(I, 0, DemandedMask & ~RHSKnown.One, LHSKnown,  in SimplifyDemandedUseBits()
246     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyDemandedUseBits()
256     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyDemandedUseBits()
258     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
267       WithCache<const Value *> LHSCache(I->getOperand(0), LHSKnown),  in SimplifyDemandedUseBits()
279         SimplifyDemandedBits(I, 0, DemandedMask, LHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
292     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyDemandedUseBits()
304     if (DemandedMask.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
310     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.Zero)) {  in SimplifyDemandedUseBits()
324         RHSKnown.One.isSubsetOf(LHSKnown.One)) {  in SimplifyDemandedUseBits()
355           (LHSKnown.One & RHSKnown.One & DemandedMask) != 0) {  in SimplifyDemandedUseBits()
356         APInt NewMask = ~(LHSKnown.One & RHSKnown.One & DemandedMask);  in SimplifyDemandedUseBits()
371         SimplifyDemandedBits(I, 1, DemandedMask, LHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
412     adjustKnownBitsForSelectArm(LHSKnown, I->getOperand(0), I->getOperand(1),  in SimplifyDemandedUseBits()
416     Known = LHSKnown.intersectWith(RHSKnown);  in SimplifyDemandedUseBits()
541         SimplifyDemandedBits(I, 0, DemandedFromLHS, LHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
548     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
565     Known = KnownBits::computeForAddSub(true, NSW, NUW, LHSKnown, RHSKnown);  in SimplifyDemandedUseBits()
584         SimplifyDemandedBits(I, 0, DemandedFromLHS, LHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
593     if (DemandedFromOps.isOne() && DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
599     Known = KnownBits::computeForAddSub(false, NSW, NUW, LHSKnown, RHSKnown);  in SimplifyDemandedUseBits()
846       if (SimplifyDemandedBits(I, 0, DemandedMaskIn, LHSKnown, Depth + 1, Q)) {  in SimplifyDemandedUseBits()
853       Known = KnownBits::udiv(LHSKnown, KnownBits::makeConstant(*SA),  in SimplifyDemandedUseBits()
874         if (SimplifyDemandedBits(I, 0, Mask2, LHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
878         Known.Zero = LHSKnown.Zero & LowBits;  in SimplifyDemandedUseBits()
879         Known.One = LHSKnown.One & LowBits;  in SimplifyDemandedUseBits()
883         if (LHSKnown.isNonNegative() || LowBits.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
888         if (LHSKnown.isNegative() && LowBits.intersects(LHSKnown.One))  in SimplifyDemandedUseBits()
951         if (SimplifyDemandedBits(I, 0, DemandedMask, LHSKnown, Depth + 1, Q) ||  in SimplifyDemandedUseBits()
953                 I, 1, (DemandedMask & ~LHSKnown.Zero).zextOrTrunc(MaskWidth),  in SimplifyDemandedUseBits()
960         Known = LHSKnown & RHSKnown;  in SimplifyDemandedUseBits()
976         if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyDemandedUseBits()
981                 I, 1, (DemandedMask & ~LHSKnown.Zero).zextOrTrunc(MaskWidth)))  in SimplifyDemandedUseBits()
995           LHSKnown = computeKnownBits(InnerPtr, Depth + 1, I);  in SimplifyDemandedUseBits()
996           if (!LHSKnown.isZero()) {  in SimplifyDemandedUseBits()
997             const unsigned trailingZeros = LHSKnown.countMinTrailingZeros();  in SimplifyDemandedUseBits()
1040           if (SimplifyDemandedBits(I, 0, DemandedMaskLHS, LHSKnown,  in SimplifyDemandedUseBits()
1048           LHSKnown = computeKnownBits(I->getOperand(0), Depth + 1, I);  in SimplifyDemandedUseBits()
1049           if (DemandedMaskLHS.isSubsetOf(LHSKnown.Zero | LHSKnown.One) &&  in SimplifyDemandedUseBits()
1050               !match(I->getOperand(0), m_SpecificInt(LHSKnown.One))) {  in SimplifyDemandedUseBits()
1051             replaceOperand(*I, 0, Constant::getIntegerValue(VTy, LHSKnown.One));  in SimplifyDemandedUseBits()
1063         Known.Zero = LHSKnown.Zero.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
1065         Known.One = LHSKnown.One.shl(ShiftAmt) |  in SimplifyDemandedUseBits()
1146   KnownBits LHSKnown(BitWidth);  in SimplifyMultipleUseDemandedBits()  local
1156     llvm::computeKnownBits(I->getOperand(0), LHSKnown, Depth + 1, Q);  in SimplifyMultipleUseDemandedBits()
1157     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyMultipleUseDemandedBits()
1168     if (DemandedMask.isSubsetOf(LHSKnown.Zero | RHSKnown.One))  in SimplifyMultipleUseDemandedBits()
1170     if (DemandedMask.isSubsetOf(RHSKnown.Zero | LHSKnown.One))  in SimplifyMultipleUseDemandedBits()
1177     llvm::computeKnownBits(I->getOperand(0), LHSKnown, Depth + 1, Q);  in SimplifyMultipleUseDemandedBits()
1178     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyMultipleUseDemandedBits()
1191     if (DemandedMask.isSubsetOf(LHSKnown.One | RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1193     if (DemandedMask.isSubsetOf(RHSKnown.One | LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1200     llvm::computeKnownBits(I->getOperand(0), LHSKnown, Depth + 1, Q);  in SimplifyMultipleUseDemandedBits()
1201     Known = analyzeKnownBitsFromAndXorOr(cast<Operator>(I), LHSKnown, RHSKnown,  in SimplifyMultipleUseDemandedBits()
1215     if (DemandedMask.isSubsetOf(LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1230     llvm::computeKnownBits(I->getOperand(0), LHSKnown, Depth + 1, Q);  in SimplifyMultipleUseDemandedBits()
1231     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1237         KnownBits::computeForAddSub(/*Add=*/true, NSW, NUW, LHSKnown, RHSKnown);  in SimplifyMultipleUseDemandedBits()
1253     llvm::computeKnownBits(I->getOperand(0), LHSKnown, Depth + 1, Q);  in SimplifyMultipleUseDemandedBits()
1254     Known = KnownBits::computeForAddSub(/*Add=*/false, NSW, NUW, LHSKnown,  in SimplifyMultipleUseDemandedBits()