Lines Matching defs:Shuf

22415   SDValue Shuf = DAG.getVectorShuffle(ShufVT, DL, DestVecBC, PaddedSubV, Mask);
22418   AddToWorklist(Shuf.getNode());
22419   return DAG.getBitcast(VT, Shuf);
22580   if (SDValue Shuf = mergeInsertEltWithShuffle(N, Elt))
22581     return Shuf;
22583   if (SDValue Shuf = combineInsertEltToShuffle(N, Elt))
22584     return Shuf;
22586   if (SDValue Shuf = combineInsertEltToLoad(N, Elt))
22587     return Shuf;
23171     auto *Shuf = cast<ShuffleVectorSDNode>(VecOp);
23173     int OrigElt = Shuf->getMaskElt(IndexC->getZExtValue());
23296   if (auto *Shuf = dyn_cast<ShuffleVectorSDNode>(VecOp)) {
23311     int Idx = (Elt > (int)NumElts) ? -1 : Shuf->getMaskElt(Elt);
23777   SDValue Shuf = TLI.buildLegalVectorShuffle(VecVT, DL, Extract.getOperand(0),
23779   if (!Shuf)
23781   return DAG.getBitcast(VT, Shuf);
25480 static SDValue foldShuffleOfConcatUndefs(ShuffleVectorSDNode *Shuf,
25482   SDValue N0 = Shuf->getOperand(0), N1 = Shuf->getOperand(1);
25490   ArrayRef<int> Mask = Shuf->getMask();
25491   EVT VT = Shuf->getValueType(0);
25520   SDLoc DL(Shuf);
25951 static SDValue combineShuffleOfSplatVal(ShuffleVectorSDNode *Shuf,
25953   EVT VT = Shuf->getValueType(0);
25956   if (!Shuf->getOperand(1).isUndef())
25962   if (!Shuf->isSplat()) {
25964     for (int Idx : Shuf->getMask()) {
25972     if (DAG.isSplatValue(Shuf->getOperand(0), DemandedElts, UndefElts)) {
25976       for (int Idx : Shuf->getMask()) {
25984       SmallVector<int, 8> SplatMask(Shuf->getMask());
25992       assert(SplatMask != Shuf->getMask() && "Expected mask to change!");
25993       return DAG.getVectorShuffle(VT, SDLoc(Shuf), Shuf->getOperand(0),
25994                                   Shuf->getOperand(1), SplatMask);
25999   // TODO: Create DemandedElts mask from Shuf's mask.
26001   if (DAG.isSplatValue(Shuf->getOperand(0), /*AllowUndefs*/ false))
26002     return Shuf->getOperand(0);
26004   auto *Splat = dyn_cast<ShuffleVectorSDNode>(Shuf->getOperand(0));
26008   ArrayRef<int> ShufMask = Shuf->getMask();
26037     return Shuf->getOperand(0);
26176 static SDValue replaceShuffleOfInsert(ShuffleVectorSDNode *Shuf,
26180   ArrayRef<int> Mask = Shuf->getMask();
26182   SDValue Op0 = Shuf->getOperand(0);
26183   SDValue Op1 = Shuf->getOperand(1);
26218     SDValue NewInsIndex = DAG.getVectorIdxConstant(ShufOp0Index, SDLoc(Shuf));
26219     return DAG.getNode(ISD::INSERT_VECTOR_ELT, SDLoc(Shuf), Op0.getValueType(),
26230 static SDValue simplifyShuffleOfShuffle(ShuffleVectorSDNode *Shuf) {
26232   auto *Shuf0 = dyn_cast<ShuffleVectorSDNode>(Shuf->getOperand(0));
26233   if (!Shuf0 || !Shuf->getOperand(1).isUndef())
26236   ArrayRef<int> Mask = Shuf->getMask();
26251   return Shuf->getOperand(0);