212   return (LHSKnown.Zero | RHSKnown.Zero).isAllOnesValue();  in haveNoCommonBitsSet()
410   unsigned TrailBitsKnown0 = (Known.Zero | Known.One).countTrailingOnes();  in computeKnownBitsMul()
411   unsigned TrailBitsKnown1 = (Known2.Zero | Known2.One).countTrailingOnes();  in computeKnownBitsMul()
425   Known.Zero.setHighBits(LeadZ);  in computeKnownBitsMul()
426   Known.Zero |= (~BottomKnown).getLoBits(ResultBitsKnown);  in computeKnownBitsMul()
446   Known.Zero.setAllBits();  in computeKnownBitsFromRangeMetadata()
462     Known.Zero &= ~Range.getUnsignedMax() & Mask;  in computeKnownBitsFromRangeMetadata()
632       Known.Zero |= RHSKnown.Zero;  in computeKnownBitsFromAssume()
646       Known.Zero |= RHSKnown.Zero & MaskKnown.One;  in computeKnownBitsFromAssume()
660       Known.Zero |= RHSKnown.One  & MaskKnown.One;  in computeKnownBitsFromAssume()
661       Known.One  |= RHSKnown.Zero & MaskKnown.One;  in computeKnownBitsFromAssume()
674       Known.Zero |= RHSKnown.Zero & BKnown.Zero;  in computeKnownBitsFromAssume()
675       Known.One  |= RHSKnown.One  & BKnown.Zero;  in computeKnownBitsFromAssume()
688       Known.Zero |= RHSKnown.One  & BKnown.Zero;  in computeKnownBitsFromAssume()
689       Known.One  |= RHSKnown.Zero & BKnown.Zero;  in computeKnownBitsFromAssume()
703       Known.Zero |= RHSKnown.Zero & BKnown.Zero;  in computeKnownBitsFromAssume()
704       Known.One  |= RHSKnown.One  & BKnown.Zero;  in computeKnownBitsFromAssume()
705       Known.Zero |= RHSKnown.One  & BKnown.One;  in computeKnownBitsFromAssume()
706       Known.One  |= RHSKnown.Zero & BKnown.One;  in computeKnownBitsFromAssume()
720       Known.Zero |= RHSKnown.One  & BKnown.Zero;  in computeKnownBitsFromAssume()
721       Known.One  |= RHSKnown.Zero & BKnown.Zero;  in computeKnownBitsFromAssume()
722       Known.Zero |= RHSKnown.Zero & BKnown.One;  in computeKnownBitsFromAssume()
734       RHSKnown.Zero.lshrInPlace(C);  in computeKnownBitsFromAssume()
735       Known.Zero |= RHSKnown.Zero;  in computeKnownBitsFromAssume()
749       Known.Zero |= RHSKnown.One;  in computeKnownBitsFromAssume()
750       RHSKnown.Zero.lshrInPlace(C);  in computeKnownBitsFromAssume()
751       Known.One  |= RHSKnown.Zero;  in computeKnownBitsFromAssume()
763       Known.Zero |= RHSKnown.Zero << C;  in computeKnownBitsFromAssume()
775       Known.Zero |= RHSKnown.One  << C;  in computeKnownBitsFromAssume()
776       Known.One  |= RHSKnown.Zero << C;  in computeKnownBitsFromAssume()
829       Known.Zero.setHighBits(RHSKnown.countMinLeadingZeros());  in computeKnownBitsFromAssume()
840         Known.Zero.setAllBits();  in computeKnownBitsFromAssume()
848         Known.Zero.setHighBits(RHSKnown.countMinLeadingZeros() + 1);  in computeKnownBitsFromAssume()
850         Known.Zero.setHighBits(RHSKnown.countMinLeadingZeros());  in computeKnownBitsFromAssume()
859   if (Known.Zero.intersects(Known.One)) {  in computeKnownBitsFromAssume()
893     Known.Zero = KZF(Known.Zero, ShiftAmt);  in computeKnownBitsFromShiftOperator()
909   if ((~Known.Zero).uge(BitWidth)) {  in computeKnownBitsFromShiftOperator()
917   uint64_t ShiftAmtKZ = Known.Zero.zextOrTrunc(64).getZExtValue();  in computeKnownBitsFromShiftOperator()
939   Known.Zero.setAllBits();  in computeKnownBitsFromShiftOperator()
959     Known.Zero &= KZF(Known2.Zero, ShiftAmt);  in computeKnownBitsFromShiftOperator()
989     Known.Zero |= Known2.Zero;  in computeKnownBitsFromOperator()
997     if (!Known.Zero[0] && !Known.One[0] &&  in computeKnownBitsFromOperator()
1002         Known.Zero.setBit(0);  in computeKnownBitsFromOperator()
1011     Known.Zero &= Known2.Zero;  in computeKnownBitsFromOperator()
1020     APInt KnownZeroOut = (Known.Zero & Known2.Zero) | (Known.One & Known2.One);  in computeKnownBitsFromOperator()
1022     Known.One = (Known.Zero & Known2.One) | (Known.One & Known2.Zero);  in computeKnownBitsFromOperator()
1023     Known.Zero = std::move(KnownZeroOut);  in computeKnownBitsFromOperator()
1045     Known.Zero.setHighBits(LeadZ);  in computeKnownBitsFromOperator()
1101     Known.Zero &= Known2.Zero;  in computeKnownBitsFromOperator()
1105       Known.Zero.setHighBits(MaxHighZeros);  in computeKnownBitsFromOperator()
1137       Known.Zero.setBitsFrom(SrcBitWidth);  in computeKnownBitsFromOperator()
1234         Known.Zero = Known2.Zero & LowBits;  in computeKnownBitsFromOperator()
1239         if (Known2.isNonNegative() || LowBits.isSubsetOf(Known2.Zero))  in computeKnownBitsFromOperator()
1240           Known.Zero |= ~LowBits;  in computeKnownBitsFromOperator()
1247         assert((Known.Zero & Known.One) == 0 && "Bits known to be one AND zero?");  in computeKnownBitsFromOperator()
1266         Known.Zero |= ~LowBits;  in computeKnownBitsFromOperator()
1280     Known.Zero.setHighBits(Leaders);  in computeKnownBitsFromOperator()
1291       Known.Zero.setLowBits(countTrailingZeros(Align));  in computeKnownBitsFromOperator()
1329         LocalKnown.Zero = LocalKnown.One = APInt(GEPOpiBits, 0);  in computeKnownBitsFromOperator()
1337     Known.Zero.setLowBits(TrailZ);  in computeKnownBitsFromOperator()
1378           Known.Zero.setLowBits(std::min(Known2.countMinTrailingZeros(),  in computeKnownBitsFromOperator()
1425     if (Depth < MaxDepth - 1 && !Known.Zero && !Known.One) {  in computeKnownBitsFromOperator()
1430       Known.Zero.setAllBits();  in computeKnownBitsFromOperator()
1440         Known.Zero &= Known2.Zero;  in computeKnownBitsFromOperator()
1444         if (!Known.Zero && !Known.One)  in computeKnownBitsFromOperator()
1460       Known.Zero |= Known2.Zero;  in computeKnownBitsFromOperator()
1468         Known.Zero |= Known2.Zero.reverseBits();  in computeKnownBitsFromOperator()
1473         Known.Zero |= Known2.Zero.byteSwap();  in computeKnownBitsFromOperator()
1484         Known.Zero.setBitsFrom(LowBits);  in computeKnownBitsFromOperator()
1495         Known.Zero.setBitsFrom(LowBits);  in computeKnownBitsFromOperator()
1504         Known.Zero.setBitsFrom(LowBits);  in computeKnownBitsFromOperator()
1524         Known.Zero =  in computeKnownBitsFromOperator()
1525             Known2.Zero.shl(ShiftAmt) | Known3.Zero.lshr(BitWidth - ShiftAmt);  in computeKnownBitsFromOperator()
1531         Known.Zero.setBitsFrom(32);  in computeKnownBitsFromOperator()
1617     Known.Zero = ~Known.One;  in computeKnownBits()
1630     Known.Zero.setAllBits(); Known.One.setAllBits();  in computeKnownBits()
1633       Known.Zero &= ~Elt;  in computeKnownBits()
1642     Known.Zero.setAllBits(); Known.One.setAllBits();  in computeKnownBits()
1651       Known.Zero &= ~Elt;  in computeKnownBits()
1688       Known.Zero.setLowBits(countTrailingZeros(Align));  in computeKnownBits()
1697   assert((Known.Zero & Known.One) == 0 && "Bits known to be one AND zero?");  in computeKnownBits()
1777       if ((~(LHSBits.Zero & RHSBits.Zero)).isPowerOf2())  in isKnownToBeAPowerOfTwo()
2210     if (Known1.Zero.intersects(Known2.One) ||  in isKnownNonEqual()
2211         Known2.Zero.intersects(Known1.One))  in isKnownNonEqual()
2230   return Mask.isSubsetOf(Known.Zero);  in MaskedValueIsZero()
2452         if ((Known.Zero | 1).isAllOnesValue())  in ComputeNumSignBitsImpl()
2476         if ((Known.Zero | 1).isAllOnesValue())  in ComputeNumSignBitsImpl()
3956   APInt LHSMax = ~LHSKnown.Zero;  in computeOverflowForUnsignedMul()
3957   APInt RHSMax = ~RHSKnown.Zero;  in computeOverflowForUnsignedMul()
4060     APInt MaxLHS = ~LHSKnown.Zero;  in checkRippleForSignedAdd()
4062     APInt MaxRHS = ~RHSKnown.Zero;  in checkRippleForSignedAdd()
5197         if (CA->isSubsetOf(Known.Zero) && CB->isSubsetOf(Known.Zero))  in isTruePredicate()