Lines Matching defs:LowBits
2000 unsigned LowBits = Log2_32(BitWidth)+1;
2001 KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - LowBits);
2142 APInt LowBits = RA - 1;
2146 KnownZero = KnownZero2 & LowBits;
2147 KnownOne = KnownOne2 & LowBits;
2151 if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
2152 KnownZero |= ~LowBits;
2156 if (KnownOne2[BitWidth-1] && ((KnownOne2 & LowBits) != 0))
2157 KnownOne |= ~LowBits;
2166 APInt LowBits = (RA - 1);
2167 KnownZero |= ~LowBits;