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Lines Matching refs:KnownZero

2299   APInt KnownZero, KnownOne;
2301   DAG.computeKnownBits(Op, KnownZero, KnownOne);
2303   return (VT.getSizeInBits() - KnownZero.countLeadingOnes()) <= 24;
2323   APInt KnownZero, KnownOne;
2325   if (TLI.SimplifyDemandedBits(Op, Demanded, KnownZero, KnownOne, TLO))
2562       APInt KnownZero, KnownOne;
2568                                    KnownZero, KnownOne, TLO)) {
2777                                       APInt &KnownZero,
2786   KnownZero = Op0Zero & Op1Zero;
2792   APInt &KnownZero,
2797   KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0); // Don't know anything.
2814                                 KnownZero, KnownOne, DAG, Depth);
2824     KnownZero = APInt::getHighBitsSet(32, 31);
2838       KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - Width);