82     const APInt &AOut, APInt &AB, KnownBits &Known, KnownBits &Known2,  in determineLiveOperandBits()
131           AB = APInt::getHighBitsSet(BitWidth,  in determineLiveOperandBits()
141           AB = APInt::getLowBitsSet(BitWidth,  in determineLiveOperandBits()
147         const APInt *SA;  in determineLiveOperandBits()
173         AB = APInt::getBitsSetFrom(BitWidth, AOut.countTrailingZeros());  in determineLiveOperandBits()
198     AB = APInt::getLowBitsSet(BitWidth, AOut.getActiveBits());  in determineLiveOperandBits()
202       const APInt *ShiftAmtC;  in determineLiveOperandBits()
211           AB |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in determineLiveOperandBits()
213           AB |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
219       const APInt *ShiftAmtC;  in determineLiveOperandBits()
227           AB |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
233       const APInt *ShiftAmtC;  in determineLiveOperandBits()
240         if ((AOut & APInt::getHighBitsSet(BitWidth, ShiftAmt))  in determineLiveOperandBits()
247           AB |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
292     if ((AOut & APInt::getHighBitsSet(AOut.getBitWidth(),  in determineLiveOperandBits()
359           AliveBits[J] = APInt::getAllOnes(T->getScalarSizeInBits());  in performAnalysis()
376     APInt AOut;  in performAnalysis()
404         APInt AB = APInt::getAllOnes(BitWidth);  in performAnalysis()
406           AB = APInt(BitWidth, 0);  in performAnalysis()
437 APInt DemandedBits::getDemandedBits(Instruction *I) {  in getDemandedBits()
445   return APInt::getAllOnes(DL.getTypeSizeInBits(I->getType()->getScalarType()));  in getDemandedBits()
448 APInt DemandedBits::getDemandedBits(Use *U) {  in getDemandedBits()
457     return APInt::getAllOnes(BitWidth);  in getDemandedBits()
460     return APInt(BitWidth, 0);  in getDemandedBits()
464   APInt AOut = getDemandedBits(UserI);  in getDemandedBits()
465   APInt AB = APInt::getAllOnes(BitWidth);  in getDemandedBits()
508   auto PrintDB = [&](const Instruction *I, const APInt &A, Value *V = nullptr) {  in print()
529 static APInt determineLiveOperandBitsAddCarry(unsigned OperandNo,  in determineLiveOperandBitsAddCarry()
530                                               const APInt &AOut,  in determineLiveOperandBitsAddCarry()
544   APInt Bound = (LHS.Zero & RHS.Zero) | (LHS.One & RHS.One);  in determineLiveOperandBitsAddCarry()
551   APInt RBound = Bound.reverseBits();  in determineLiveOperandBitsAddCarry()
552   APInt RAOut = AOut.reverseBits();  in determineLiveOperandBitsAddCarry()
553   APInt RProp = RAOut + (RAOut | ~RBound);  in determineLiveOperandBitsAddCarry()
554   APInt RACarry = RProp ^ ~RBound;  in determineLiveOperandBitsAddCarry()
555   APInt ACarry = RACarry.reverseBits();  in determineLiveOperandBitsAddCarry()
558   APInt NeededToMaintainCarryZero;  in determineLiveOperandBitsAddCarry()
559   APInt NeededToMaintainCarryOne;  in determineLiveOperandBitsAddCarry()
569   APInt PossibleSumZero = ~LHS.Zero + ~RHS.Zero + !CarryZero;  in determineLiveOperandBitsAddCarry()
570   APInt PossibleSumOne = LHS.One + RHS.One + CarryOne;  in determineLiveOperandBitsAddCarry()
583   APInt NeededToMaintainCarry = (~PossibleSumZero | NeededToMaintainCarryZero) &  in determineLiveOperandBitsAddCarry()
586   APInt AB = AOut | (ACarry & NeededToMaintainCarry);  in determineLiveOperandBitsAddCarry()
590 APInt DemandedBits::determineLiveOperandBitsAdd(unsigned OperandNo,  in determineLiveOperandBitsAdd()
591                                                 const APInt &AOut,  in determineLiveOperandBitsAdd()
598 APInt DemandedBits::determineLiveOperandBitsSub(unsigned OperandNo,  in determineLiveOperandBitsSub()
599                                                 const APInt &AOut,  in determineLiveOperandBitsSub()