159   auto simplifyOperandsBasedOnUnusedHighBits = [&](APInt &DemandedFromOps) {  in SimplifyDemandedUseBits()  argument
163     DemandedFromOps = APInt::getLowBitsSet(BitWidth, BitWidth - NLZ);  in SimplifyDemandedUseBits()
164     if (ShrinkDemandedConstant(I, 0, DemandedFromOps) ||  in SimplifyDemandedUseBits()
165         SimplifyDemandedBits(I, 0, DemandedFromOps, LHSKnown, Depth + 1) ||  in SimplifyDemandedUseBits()
166         ShrinkDemandedConstant(I, 1, DemandedFromOps) ||  in SimplifyDemandedUseBits()
167         SimplifyDemandedBits(I, 1, DemandedFromOps, RHSKnown, Depth + 1)) {  in SimplifyDemandedUseBits()
503     APInt DemandedFromOps;  in SimplifyDemandedUseBits()  local
504     if (simplifyOperandsBasedOnUnusedHighBits(DemandedFromOps))  in SimplifyDemandedUseBits()
509     if (DemandedFromOps.isSubsetOf(RHSKnown.Zero))  in SimplifyDemandedUseBits()
513     if ((I->getOpcode() == Instruction::Add || DemandedFromOps.isOne()) &&  in SimplifyDemandedUseBits()
514         DemandedFromOps.isSubsetOf(LHSKnown.Zero))  in SimplifyDemandedUseBits()
524     APInt DemandedFromOps;  in SimplifyDemandedUseBits()  local
525     if (simplifyOperandsBasedOnUnusedHighBits(DemandedFromOps))  in SimplifyDemandedUseBits()