Lines Matching defs:KnownZero
9378 APInt KnownZero, KnownOne;
9379 DAG.ComputeMaskedBits(SDValue(N,0), KnownZero, KnownOne);
9381 if (KnownZero == 0xfffffffe)
9384 else if (KnownZero == 0xffffff00)
9387 else if (KnownZero == 0xffff0000)
9949 APInt &KnownZero,
9953 KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0);
9958 DAG.ComputeMaskedBits(Op.getOperand(0), KnownZero, KnownOne, Depth+1);
9959 if (KnownZero == 0 && KnownOne == 0) return;
9963 KnownZero &= KnownZeroRHS;