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Lines Matching defs:LowBits

1087         APInt LowBits = RA - 1;
1092         KnownZero = KnownZero2 & LowBits;
1093         KnownOne = KnownOne2 & LowBits;
1097         if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))
1098           KnownZero |= ~LowBits;
1102         if (KnownOne2[BitWidth-1] && ((KnownOne2 & LowBits) != 0))
1103           KnownOne |= ~LowBits;
1125         APInt LowBits = (RA - 1);
1127         KnownZero |= ~LowBits;
1128         KnownOne &= LowBits;
1302         unsigned LowBits = Log2_32(BitWidth)+1;
1305           LowBits -= 1;
1306         KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - LowBits);