Lines Matching defs:KnownZero2
839 APInt KnownZero2, KnownOne2;848 DAG.ComputeMaskedBits(Op.getOperand(0), Mask, KnownZero2, KnownOne2,851 assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");855 KnownZero &= KnownZero2;