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Lines Matching defs:KnownZero

1859   APInt KnownZero, KnownOne;
1861   DAG.computeKnownBits(Op, KnownZero, KnownOne);
1863   return (VT.getSizeInBits() - KnownZero.countLeadingOnes()) <= 24;
1883   APInt KnownZero, KnownOne;
1885   if (TLI.SimplifyDemandedBits(Op, Demanded, KnownZero, KnownOne, TLO))
2019     APInt KnownZero, KnownOne;
2024         TLI.SimplifyDemandedBits(BitsFrom, Demanded, KnownZero, KnownOne, TLO)) {
2167                                       APInt &KnownZero,
2176   KnownZero = Op0Zero & Op1Zero;
2182   APInt &KnownZero,
2187   KnownZero = KnownOne = APInt(KnownOne.getBitWidth(), 0); // Don't know anything.
2204                                 KnownZero, KnownOne, DAG, Depth);
2217                               KnownZero, KnownOne, DAG, Depth);
2229       KnownZero = APInt::getAllOnesValue(BitWidth);
2239       KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - Width);