3968         unsigned SignBits = ComputeNumSignBits(Op.getOperand(0), Depth + 1);  in computeKnownBits()
4066   if (ComputeNumSignBits(N0) > 1 && ComputeNumSignBits(N1) > 1)  in computeOverflowForSignedAdd()
4104   if (ComputeNumSignBits(N0) > 1 && ComputeNumSignBits(N1) > 1)  in computeOverflowForSignedSub()
4150   unsigned SignBits = ComputeNumSignBits(N0) + ComputeNumSignBits(N1);  in computeOverflowForSignedMul()
4260 unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const {  in ComputeNumSignBits()  function in SelectionDAG
4269   return ComputeNumSignBits(Op, DemandedElts, Depth);  in ComputeNumSignBits()
4272 unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts,  in ComputeNumSignBits()  function in SelectionDAG
4302     return ComputeNumSignBits(Op.getOperand(Op.getResNo()), DemandedElts,  in ComputeNumSignBits()
4307     unsigned NumSrcSignBits = ComputeNumSignBits(Op.getOperand(0), Depth + 1);  in ComputeNumSignBits()
4326         Tmp2 = ComputeNumSignBits(SrcOp, Depth + 1);  in ComputeNumSignBits()
4351       Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedLHS, Depth + 1);  in ComputeNumSignBits()
4353       Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedRHS, Depth + 1);  in ComputeNumSignBits()
4376       return ComputeNumSignBits(N0, DemandedElts, Depth + 1);  in ComputeNumSignBits()
4389       Tmp = ComputeNumSignBits(N0, SrcDemandedElts, Depth + 1);  in ComputeNumSignBits()
4415     return ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth+1) + Tmp;  in ComputeNumSignBits()
4420     Tmp2 = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth+1);  in ComputeNumSignBits()
4429     return ComputeNumSignBits(Src, DemandedSrcElts, Depth+1) + Tmp;  in ComputeNumSignBits()
4432     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4442       Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4451     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth+1);  in ComputeNumSignBits()
4453       Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth+1);  in ComputeNumSignBits()
4463     Tmp = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth+1);  in ComputeNumSignBits()
4465     Tmp2 = ComputeNumSignBits(Op.getOperand(2), DemandedElts, Depth+1);  in ComputeNumSignBits()
4468     Tmp = ComputeNumSignBits(Op.getOperand(2), DemandedElts, Depth+1);  in ComputeNumSignBits()
4470     Tmp2 = ComputeNumSignBits(Op.getOperand(3), DemandedElts, Depth+1);  in ComputeNumSignBits()
4494     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4497     Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4502     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4505     Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4540     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4563     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4584     Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4588     Tmp2 = ComputeNumSignBits(Op.getOperand(1), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4612     Tmp = ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4617     unsigned SignBitsOp0 = ComputeNumSignBits(Op.getOperand(0), Depth + 1);  in ComputeNumSignBits()
4620     unsigned SignBitsOp1 = ComputeNumSignBits(Op.getOperand(1), Depth + 1);  in ComputeNumSignBits()
4632     return ComputeNumSignBits(Op.getOperand(0), DemandedElts, Depth + 1);  in ComputeNumSignBits()
4636     unsigned NumSrcSignBits = ComputeNumSignBits(Op.getOperand(0), Depth + 1);  in ComputeNumSignBits()
4644     const int KnownSign = ComputeNumSignBits(Op.getOperand(0), Depth+1);  in ComputeNumSignBits()
4678       Tmp2 = ComputeNumSignBits(InVal, Depth + 1);  in ComputeNumSignBits()
4682       Tmp2 = ComputeNumSignBits(InVec, DemandedVecElts, Depth + 1);  in ComputeNumSignBits()
4714     return ComputeNumSignBits(InVec, DemandedSrcElts, Depth + 1);  in ComputeNumSignBits()
4725     return ComputeNumSignBits(Src, DemandedSrcElts, Depth + 1);  in ComputeNumSignBits()
4741       Tmp2 = ComputeNumSignBits(Op.getOperand(i), DemandedSub, Depth + 1);  in ComputeNumSignBits()
4762       Tmp = ComputeNumSignBits(Sub, DemandedSubElts, Depth + 1);  in ComputeNumSignBits()
4767       Tmp2 = ComputeNumSignBits(Src, DemandedSrcElts, Depth + 1);  in ComputeNumSignBits()
4901   unsigned SignBits = ComputeNumSignBits(Op, Depth);  in ComputeMaxSignificantBits()
4908   unsigned SignBits = ComputeNumSignBits(Op, DemandedElts, Depth);  in ComputeMaxSignificantBits()