CodeGen/SelectionDAG/LegalizeFloatTypes.cpp

238   EVT LVT = LHS.getValueType();
241   unsigned LSize = LVT.getSizeInBits();
252   int SizeDiff = RVT.getSizeInBits() - LVT.getSizeInBits();
259     SignBit = DAG.getNode(ISD::TRUNCATE, dl, LVT, SignBit);
261     SignBit = DAG.getNode(ISD::ANY_EXTEND, dl, LVT, SignBit);
263         DAG.getNode(ISD::SHL, dl, LVT, SignBit,
271       ISD::SHL, dl, LVT, DAG.getConstant(1, dl, LVT),
273                       TLI.getShiftAmountTy(LVT, DAG.getDataLayout())));
274   Mask = DAG.getNode(ISD::SUB, dl, LVT, Mask, DAG.getConstant(1, dl, LVT));
275   LHS = DAG.getNode(ISD::AND, dl, LVT, LHS, Mask);
278   return DAG.getNode(ISD::OR, dl, LVT, LHS, SignBit);