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Lines Matching defs:LowBits

471         APInt LowBits = RA - 1;
472         APInt Mask2 = LowBits | APInt::getSignBit(BitWidth);
477         KnownZero = KnownZero2 & LowBits;
478         KnownOne = KnownOne2 & LowBits;
482         if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
483           KnownZero |= ~LowBits;
487         if (KnownOne2[BitWidth-1] && ((KnownOne2 & LowBits) != 0))
488           KnownOne |= ~LowBits;
514         APInt LowBits = (RA - 1);
515         APInt Mask2 = LowBits & Mask;
516         KnownZero |= ~LowBits & Mask;
679         unsigned LowBits = Log2_32(BitWidth)+1;
680         KnownZero = APInt::getHighBitsSet(BitWidth, BitWidth - LowBits);