Lines Matching defs:Shuf

21971   SDValue Shuf = DAG.getVectorShuffle(ShufVT, DL, DestVecBC, PaddedSubV, Mask);
21974   AddToWorklist(Shuf.getNode());
21975   return DAG.getBitcast(VT, Shuf);
22136   if (SDValue Shuf = mergeInsertEltWithShuffle(N, Elt))
22137     return Shuf;
22139   if (SDValue Shuf = combineInsertEltToShuffle(N, Elt))
22140     return Shuf;
22142   if (SDValue Shuf = combineInsertEltToLoad(N, Elt))
22143     return Shuf;
22688     auto *Shuf = cast<ShuffleVectorSDNode>(VecOp);
22690     int OrigElt = Shuf->getMaskElt(IndexC->getZExtValue());
22813   if (auto *Shuf = dyn_cast<ShuffleVectorSDNode>(VecOp)) {
22828     int Idx = (Elt > (int)NumElts) ? -1 : Shuf->getMaskElt(Elt);
23294   SDValue Shuf = TLI.buildLegalVectorShuffle(VecVT, DL, Extract.getOperand(0),
23296   if (!Shuf)
23298   return DAG.getBitcast(VT, Shuf);
24975 static SDValue foldShuffleOfConcatUndefs(ShuffleVectorSDNode *Shuf,
24977   SDValue N0 = Shuf->getOperand(0), N1 = Shuf->getOperand(1);
24985   ArrayRef<int> Mask = Shuf->getMask();
24986   EVT VT = Shuf->getValueType(0);
25015   SDLoc DL(Shuf);
25446 static SDValue combineShuffleOfSplatVal(ShuffleVectorSDNode *Shuf,
25448   EVT VT = Shuf->getValueType(0);
25451   if (!Shuf->getOperand(1).isUndef())
25457   if (!Shuf->isSplat()) {
25459     for (int Idx : Shuf->getMask()) {
25467     if (DAG.isSplatValue(Shuf->getOperand(0), DemandedElts, UndefElts)) {
25471       for (int Idx : Shuf->getMask()) {
25479       SmallVector<int, 8> SplatMask(Shuf->getMask().begin(),
25480                                     Shuf->getMask().end());
25488       assert(SplatMask != Shuf->getMask() && "Expected mask to change!");
25489       return DAG.getVectorShuffle(VT, SDLoc(Shuf), Shuf->getOperand(0),
25490                                   Shuf->getOperand(1), SplatMask);
25495   // TODO: Create DemandedElts mask from Shuf's mask.
25497   if (DAG.isSplatValue(Shuf->getOperand(0), /*AllowUndefs*/ false))
25498     return Shuf->getOperand(0);
25500   auto *Splat = dyn_cast<ShuffleVectorSDNode>(Shuf->getOperand(0));
25504   ArrayRef<int> ShufMask = Shuf->getMask();
25533     return Shuf->getOperand(0);
25672 static SDValue replaceShuffleOfInsert(ShuffleVectorSDNode *Shuf,
25676   ArrayRef<int> Mask = Shuf->getMask();
25678   SDValue Op0 = Shuf->getOperand(0);
25679   SDValue Op1 = Shuf->getOperand(1);
25716   SDValue NewInsIndex = DAG.getVectorIdxConstant(ShufOp0Index, SDLoc(Shuf));
25717   return DAG.getNode(ISD::INSERT_VECTOR_ELT, SDLoc(Shuf), Op0.getValueType(),
25725 static SDValue simplifyShuffleOfShuffle(ShuffleVectorSDNode *Shuf) {
25727   auto *Shuf0 = dyn_cast<ShuffleVectorSDNode>(Shuf->getOperand(0));
25728   if (!Shuf0 || !Shuf->getOperand(1).isUndef())
25731   ArrayRef<int> Mask = Shuf->getMask();
25746   return Shuf->getOperand(0);