Lines Matching refs:KnownZero2
839 APInt KnownZero2, KnownOne2;847 DAG.ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);849 assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");853 KnownZero &= KnownZero2;