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Lines Matching defs:KnownZero2

843   APInt KnownZero2, KnownOne2;
851     DAG.ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);
853     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");
857     KnownZero &= KnownZero2;