1689   APInt KnownZero2, KnownOne2;  in ComputeMaskedBits()  local
1700     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1702     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1707     KnownZero |= KnownZero2;  in ComputeMaskedBits()
1711     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1713     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1716     KnownZero &= KnownZero2;  in ComputeMaskedBits()
1722     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1724     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1727     APInt KnownZeroOut = (KnownZero & KnownZero2) | (KnownOne & KnownOne2);  in ComputeMaskedBits()
1729     KnownOne = (KnownZero & KnownOne2) | (KnownOne & KnownZero2);  in ComputeMaskedBits()
1735     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1737     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1745                       KnownZero2.countTrailingOnes();  in ComputeMaskedBits()
1747                                KnownZero2.countLeadingOnes(),  in ComputeMaskedBits()
1760     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1761     unsigned LeadZ = KnownZero2.countLeadingOnes();  in ComputeMaskedBits()
1764     KnownZero2.clearAllBits();  in ComputeMaskedBits()
1765     ComputeMaskedBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1776     ComputeMaskedBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1778     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1782     KnownZero &= KnownZero2;  in ComputeMaskedBits()
1786     ComputeMaskedBits(Op.getOperand(2), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
1788     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
1792     KnownZero &= KnownZero2;  in ComputeMaskedBits()
2010         ComputeMaskedBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
2015         if ((KnownZero2 & MaskV) == MaskV) {  in ComputeMaskedBits()
2029     ComputeMaskedBits(Op.getOperand(0), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
2030     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
2031     unsigned KnownZeroOut = KnownZero2.countTrailingOnes();  in ComputeMaskedBits()
2033     ComputeMaskedBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
2034     assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");  in ComputeMaskedBits()
2036                             KnownZero2.countTrailingOnes());  in ComputeMaskedBits()
2057         ComputeMaskedBits(Op.getOperand(0), KnownZero2,KnownOne2,Depth+1);  in ComputeMaskedBits()
2060         KnownZero = KnownZero2 & LowBits;  in ComputeMaskedBits()
2065         if (KnownZero2[BitWidth-1] || ((KnownZero2 & LowBits) == LowBits))  in ComputeMaskedBits()
2091     ComputeMaskedBits(Op.getOperand(1), KnownZero2, KnownOne2, Depth+1);  in ComputeMaskedBits()
2094                                 KnownZero2.countLeadingOnes());  in ComputeMaskedBits()