8676                       std::optional<uint64_t> VectorIndex,  in calculateByteProvider()  argument
8691   if (Op.getOpcode() != ISD::LOAD && VectorIndex.has_value())  in calculateByteProvider()
8704         calculateByteProvider(Op->getOperand(0), Index, Depth + 1, VectorIndex);  in calculateByteProvider()
8708         calculateByteProvider(Op->getOperand(1), Index, Depth + 1, VectorIndex);  in calculateByteProvider()
8735                                        Depth + 1, VectorIndex, Index);  in calculateByteProvider()
8751     return calculateByteProvider(NarrowOp, Index, Depth + 1, VectorIndex,  in calculateByteProvider()
8756                                  Depth + 1, VectorIndex, StartingIndex);  in calculateByteProvider()
8762     VectorIndex = OffsetOp->getZExtValue();  in calculateByteProvider()
8776     if (*VectorIndex * NarrowByteWidth > StartingIndex)  in calculateByteProvider()
8778     if ((*VectorIndex + 1) * NarrowByteWidth <= StartingIndex)  in calculateByteProvider()
8782                                  VectorIndex, StartingIndex);  in calculateByteProvider()
8803     unsigned BPVectorIndex = VectorIndex.value_or(0U);  in calculateByteProvider()