CodeGen/SelectionDAG/DAGCombiner.cpp

9234   SDValue InVec = N->getOperand(0);
9241     return InVec;
9243   EVT VT = InVec.getValueType();
9260   if (InVec.getOpcode() == ISD::BUILD_VECTOR && InVec.hasOneUse()) {
9261     Ops.append(InVec.getNode()->op_begin(),
9262                InVec.getNode()->op_end());
9263   } else if (InVec.getOpcode() == ISD::UNDEF) {
9289   SDValue InVec = N->getOperand(0);
9290   EVT VT = InVec.getValueType();
9293   if (InVec.getOpcode() == ISD::SCALAR_TO_VECTOR) {
9297     SDValue InOp = InVec.getOperand(0);
9300       return DAG.getSExtOrTrunc(InOp, SDLoc(InVec), NVT);
9313   if (InVec.getOpcode() == ISD::VECTOR_SHUFFLE
9317     ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(InVec);
9327       InVec = InVec->getOperand(0);
9329       InVec = InVec->getOperand(1);
9335                        InVec, DAG.getConstant(OrigElt, IndexTy));
9358     if (InVec.getOpcode() == ISD::BITCAST) {
9360       if (!InVec.hasOneUse())
9363       EVT BCVT = InVec.getOperand(0).getValueType();
9368       InVec = InVec.getOperand(0);
9375     if (ISD::isNormalLoad(InVec.getNode())) {
9376       LN0 = cast<LoadSDNode>(InVec);
9377     } else if (InVec.getOpcode() == ISD::SCALAR_TO_VECTOR &&
9378                InVec.getOperand(0).getValueType() == ExtVT &&
9379                ISD::isNormalLoad(InVec.getOperand(0).getNode())) {
9381       if (!InVec.hasOneUse())
9384       LN0 = cast<LoadSDNode>(InVec.getOperand(0));
9385     } else if ((SVN = dyn_cast<ShuffleVectorSDNode>(InVec))) {
9391       if (!InVec.hasOneUse())
9402       InVec = (Idx < (int)NumElems) ? InVec.getOperand(0) : InVec.getOperand(1);
9404       if (InVec.getOpcode() == ISD::BITCAST) {
9406         if (!InVec.hasOneUse())
9409         InVec = InVec.getOperand(0);
9411       if (ISD::isNormalLoad(InVec.getNode())) {
9412         LN0 = cast<LoadSDNode>(InVec);