Lines Matching defs:LowBits
550 APInt LowBits = RA - 1;
554 KnownZero = KnownZero2 & LowBits;
555 KnownOne = KnownOne2 & LowBits;
559 if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
560 KnownZero |= ~LowBits;
564 if (KnownOne2[BitWidth-1] && ((KnownOne2 & LowBits) != 0))
565 KnownOne |= ~LowBits;
587 APInt LowBits = (RA - 1);
591 KnownZero |= ~LowBits;
592 KnownOne &= LowBits;
740 unsigned LowBits = Log2_32(BitWidth)+1;
743 LowBits -= 1;
744 KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - LowBits);
748 unsigned LowBits = Log2_32(BitWidth)+1;
749 KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - LowBits);