189   auto simplifyOperandsBasedOnUnusedHighBits = [&](APInt &DemandedFromOps) {  in SimplifyDemandedUseBits()  argument
193     DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()
194     if (ShrinkDemandedConstant(I, 0, DemandedFromOps) ||  in SimplifyDemandedUseBits()
195         SimplifyDemandedBits(I, 0, DemandedFromOps, LHSKnown, Depth + 1, Q) ||  in SimplifyDemandedUseBits()
196         ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
197         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1, Q)) {  in SimplifyDemandedUseBits()
529     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()  local
530     if (ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
531         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
538     APInt DemandedFromLHS = DemandedFromOps;  in SimplifyDemandedUseBits()
546     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyDemandedUseBits()
548     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
572     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()  local
573     if (ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
574         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1, Q))  in SimplifyDemandedUseBits()
581     APInt DemandedFromLHS = DemandedFromOps;  in SimplifyDemandedUseBits()
589     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyDemandedUseBits()
593     if (DemandedFromOps.isOne() && DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
603     APInt DemandedFromOps;  in SimplifyDemandedUseBits()  local
604     if (simplifyOperandsBasedOnUnusedHighBits(DemandedFromOps))  in SimplifyDemandedUseBits()
1222     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyMultipleUseDemandedBits()  local
1227     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1231     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1243     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyMultipleUseDemandedBits()  local
1248     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()