3719     ConstantSDNode *CstLow = nullptr, *CstHigh = nullptr;  in computeKnownBits()  local
3720     if ((CstLow = isConstOrConstSplat(Op.getOperand(1), DemandedElts)))  in computeKnownBits()
3724     if (CstLow && CstHigh) {  in computeKnownBits()
3726         std::swap(CstLow, CstHigh);  in computeKnownBits()
3728       const APInt &ValueLow = CstLow->getAPIntValue();  in computeKnownBits()
3756     if (IsMax && CstLow) {  in computeKnownBits()
3757       const APInt &ValueLow = CstLow->getAPIntValue();  in computeKnownBits()
4123     ConstantSDNode *CstLow = nullptr, *CstHigh = nullptr;  in ComputeNumSignBits()  local
4124     if ((CstLow = isConstOrConstSplat(Op.getOperand(1), DemandedElts)))  in ComputeNumSignBits()
4128     if (CstLow && CstHigh) {  in ComputeNumSignBits()
4130         std::swap(CstLow, CstHigh);  in ComputeNumSignBits()
4131       if (CstLow->getAPIntValue().sle(CstHigh->getAPIntValue())) {  in ComputeNumSignBits()
4132         Tmp = CstLow->getAPIntValue().getNumSignBits();  in ComputeNumSignBits()