CodeGen/SelectionDAG/DAGCombiner.cpp

5210     if (SDValue Shuffle = XformToShuffleWithZero(N))
5211       return Shuffle;
16845   // Step 3: Shuffle in the padded subvector.
17543   SDValue Shuffle = DAG.getVectorShuffle(InVT1, DL, VecIn1, VecIn2, Mask);
17545     Shuffle = DAG.getNode(ISD::EXTRACT_SUBVECTOR, DL, VT, Shuffle, ZeroIdx);
17547   return Shuffle;
17757   // Shuffle phase:
17776     if (SDValue Shuffle = createBuildVecShuffle(DL, N, VectorMask, VecLeft,
17778       Shuffles.push_back(Shuffle);
19099          "Shuffle mask value must be from operand 0");
19310         assert(Idx < (int)NumElts && "Shuffle mask chooses undef op");
19404            "Shuffle types don't match");
19434            "Shuffle types don't match");