2057   APInt KnownZero2, KnownOne2;  in computeKnownBits()  local
2068     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2073     KnownZero |= KnownZero2;  in computeKnownBits()
2077     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2080     KnownZero &= KnownZero2;  in computeKnownBits()
2086     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2089     APInt KnownZeroOut = (KnownZero & KnownZero2) | (KnownOne & KnownOne2);  in computeKnownBits()
2091     KnownOne = (KnownZero & KnownOne2) | (KnownOne & KnownZero2);  in computeKnownBits()
2097     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2105                       KnownZero2.countTrailingOnes();  in computeKnownBits()
2107                                KnownZero2.countLeadingOnes(),  in computeKnownBits()
2120     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2121     unsigned LeadZ = KnownZero2.countLeadingOnes();  in computeKnownBits()
2124     KnownZero2.clearAllBits();  in computeKnownBits()
2125     computeKnownBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2136     computeKnownBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2140     KnownZero &= KnownZero2;  in computeKnownBits()
2144     computeKnownBits(Op.getOperand(2), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2148     KnownZero &= KnownZero2;  in computeKnownBits()
2369         computeKnownBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2374         if ((KnownZero2 & MaskV) == MaskV) {  in computeKnownBits()
2392     computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2393     unsigned KnownZeroHigh = KnownZero2.countLeadingOnes();  in computeKnownBits()
2394     unsigned KnownZeroLow = KnownZero2.countTrailingOnes();  in computeKnownBits()
2396     computeKnownBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2398                              KnownZero2.countLeadingOnes());  in computeKnownBits()
2400                             KnownZero2.countTrailingOnes());  in computeKnownBits()
2422         computeKnownBits(Op.getOperand(0), KnownZero2,KnownOne2,Depth+1);  in computeKnownBits()
2425         KnownZero = KnownZero2 & LowBits;  in computeKnownBits()
2430         if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))  in computeKnownBits()
2446         computeKnownBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth + 1);  in computeKnownBits()
2449         KnownZero = KnownZero2 | ~LowBits;  in computeKnownBits()
2458     computeKnownBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in computeKnownBits()
2461                                 KnownZero2.countLeadingOnes());  in computeKnownBits()