CodeGen/SelectionDAG/LegalizeFloatTypes.cpp

191   SDValue SignBit = DAG.getNode(ISD::SHL, dl, RVT, DAG.getConstant(1, RVT),
194   SignBit = DAG.getNode(ISD::AND, dl, RVT, RHS, SignBit);
199     SignBit = DAG.getNode(ISD::SRL, dl, RVT, SignBit,
201                                  TLI.getShiftAmountTy(SignBit.getValueType())));
202     SignBit = DAG.getNode(ISD::TRUNCATE, dl, LVT, SignBit);
204     SignBit = DAG.getNode(ISD::ANY_EXTEND, dl, LVT, SignBit);
205     SignBit = DAG.getNode(ISD::SHL, dl, LVT, SignBit,
207                                  TLI.getShiftAmountTy(SignBit.getValueType())));
218   return DAG.getNode(ISD::OR, dl, LVT, LHS, SignBit);