31   APInt CarryKnownZero = ~(PossibleSumZero ^ LHS.Zero ^ RHS.Zero);  in computeForAddCarry()
35   APInt LHSKnownUnion = LHS.Zero | LHS.One;  in computeForAddCarry()
36   APInt RHSKnownUnion = RHS.Zero | RHS.One;  in computeForAddCarry()
45   KnownOut.Zero = ~std::move(PossibleSumZero) & Known;  in computeForAddCarry()
54       LHS, RHS, Carry.Zero.getBoolValue(), Carry.One.getBoolValue());  in computeForAddCarry()
66     std::swap(RHS.Zero, RHS.One);  in computeForAddSub()
94   std::swap(RHS.Zero, RHS.One);  in computeForSubBorrow()
97                               /*CarryOne=*/Borrow.Zero.getBoolValue());  in computeForSubBorrow()
111   Result.Zero = Zero << ExtBits;  in sextInReg()
113   Result.Zero.ashrInPlace(ExtBits);  in sextInReg()
120   unsigned N = (Zero | Val).countl_one();  in makeGE()
126   return KnownBits(Zero, One | MaskedVal);  in makeGE()
149   auto Flip = [](const KnownBits &Val) { return KnownBits(Val.One, Val.Zero); };  in umin()
157     APInt Zero = Val.Zero;  in smax()  local
159     Zero.setBitVal(SignBitPosition, Val.One[SignBitPosition]);  in smax()
160     One.setBitVal(SignBitPosition, Val.Zero[SignBitPosition]);  in smax()
161     return KnownBits(Zero, One);  in smax()
170     APInt Zero = Val.One;  in smin()  local
171     APInt One = Val.Zero;  in smin()
172     Zero.setBitVal(SignBitPosition, Val.Zero[SignBitPosition]);  in smin()
174     return KnownBits(Zero, One);  in smin()
192     Known.Zero = LHS.Zero.ushl_ov(ShiftAmt, ShiftedOutZero);  in shl()
193     Known.Zero.setLowBits(ShiftAmt);  in shl()
216     Known.Zero.setLowBits(MinShiftAmount);  in shl()
237     Known.Zero.setLowBits(LHS.countMinTrailingZeros());  in shl()
250   unsigned ShiftAmtZeroMask = RHS.Zero.zextOrTrunc(32).getZExtValue();  in shl()
252   Known.Zero.setAllBits();  in shl()
276     Known.Zero.lshrInPlace(ShiftAmt);  in lshr()
279     Known.Zero.setHighBits(ShiftAmt);  in lshr()
289     Known.Zero.setHighBits(MinShiftAmount);  in lshr()
296   unsigned ShiftAmtZeroMask = RHS.Zero.zextOrTrunc(32).getZExtValue();  in lshr()
298   Known.Zero.setAllBits();  in lshr()
322     Known.Zero.ashrInPlace(ShiftAmt);  in ashr()
344   unsigned ShiftAmtZeroMask = RHS.Zero.zextOrTrunc(32).getZExtValue();  in ashr()
346   Known.Zero.setAllBits();  in ashr()
368   if (LHS.One.intersects(RHS.Zero) || RHS.One.intersects(LHS.Zero))  in eq()
442     if (IntMinIsPoison && (Zero.popcount() + 2) == getBitWidth())  in abs()
459       Tmp.Zero.setSignBit();  in abs()
468     KnownAbs.Zero.setLowBits(MinTZ);  in abs()
478       KnownAbs.Zero.setSignBit();  in abs()
495     return K.Zero[BitWidth - 1] || K.One[BitWidth - 1];  in computeForSatAddSub()
542         Res.Zero.setSignBit();  in computeForSatAddSub()
547         Res.Zero.clearSignBit();  in computeForSatAddSub()
553         Res.Zero.clearSignBit();  in computeForSatAddSub()
557         Res.Zero.setSignBit();  in computeForSatAddSub()
577       Res.Zero &= ~Mask;  in computeForSatAddSub()
579       Res.Zero |= Mask;  in computeForSatAddSub()
609     Res.Zero = ~C;  in computeForSatAddSub()
618     Res.Zero.clearLowBits(BitWidth - 1);  in computeForSatAddSub()
623     Res.Zero.clearAllBits();  in computeForSatAddSub()
716   unsigned TrailBitsKnown0 = (LHS.Zero | LHS.One).countr_one();  in mul()
717   unsigned TrailBitsKnown1 = (RHS.Zero | RHS.One).countr_one();  in mul()
731   Res.Zero.setHighBits(LeadZ);  in mul()
732   Res.Zero |= (~BottomKnown).getLoBits(ResultBitsKnown);  in mul()
739     Res.Zero.setBit(1);  in mul()
781     Known.Zero.setLowBits(MinTZ);  in divComputeLowBit()
845       Known.Zero.setHighBits(LeadZ);  in sdiv()
880   Known.Zero.setHighBits(LeadZ);  in udiv()
889   if (!RHS.isZero() && RHS.Zero[0]) {  in remGetLowBits()
894     APInt ZerosMask = LHS.Zero & Mask;  in remGetLowBits()
907     Known.Zero |= HighBits;  in urem()
915   Known.Zero.setHighBits(Leaders);  in urem()
928     if (LHS.isNonNegative() || LowBits.isSubsetOf(LHS.Zero))  in srem()
929       Known.Zero |= ~LowBits;  in srem()
942   Known.Zero.setHighBits(LHS.countMinLeadingZeros());  in srem()
948   Zero |= RHS.Zero;  in operator &=()
956   Zero &= RHS.Zero;  in operator |=()
964   APInt Z = (Zero & RHS.Zero) | (One & RHS.One);  in operator ^=()
966   One = (Zero & RHS.One) | (One & RHS.Zero);  in operator ^=()
967   Zero = std::move(Z);  in operator ^=()
973   KnownBits Known(Zero, APInt(BitWidth, 0));  in blsi()
975   Known.Zero.setBitsFrom(std::min(Max + 1, BitWidth));  in blsi()
986   Known.Zero.setBitsFrom(std::min(Max + 1, BitWidth));  in blsmsk()
996     if (Zero[N] && One[N])  in print()
998     else if (Zero[N])  in print()