187   auto simplifyOperandsBasedOnUnusedHighBits = [&](APInt &DemandedFromOps) {  in SimplifyDemandedUseBits()  argument
191     DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()
192     if (ShrinkDemandedConstant(I, 0, DemandedFromOps) ||  in SimplifyDemandedUseBits()
193         SimplifyDemandedBits(I, 0, DemandedFromOps, LHSKnown, Depth + 1) ||  in SimplifyDemandedUseBits()
194         ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
195         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1)) {  in SimplifyDemandedUseBits()
533     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()  local
534     if (ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
535         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1))  in SimplifyDemandedUseBits()
542     APInt DemandedFromLHS = DemandedFromOps;  in SimplifyDemandedUseBits()
550     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyDemandedUseBits()
552     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
575     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()  local
576     if (ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
577         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1))  in SimplifyDemandedUseBits()
584     APInt DemandedFromLHS = DemandedFromOps;  in SimplifyDemandedUseBits()
592     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyDemandedUseBits()
596     if (DemandedFromOps.isOne() && DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
605     APInt DemandedFromOps;  in SimplifyDemandedUseBits()  local
606     if (simplifyOperandsBasedOnUnusedHighBits(DemandedFromOps))  in SimplifyDemandedUseBits()
1170     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyMultipleUseDemandedBits()  local
1175     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1179     if (DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()
1189     APInt DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyMultipleUseDemandedBits()  local
1194     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyMultipleUseDemandedBits()