llvm::dyn_cast<TF::ConstOp>(fold_results[0].getDefiningOp()).getValue(),
        &tensor));
    xla::Shape xla_shape;
    TF_RETURN_IF_ERROR(tensorflow::TensorShapeToXLAShape(
        tensor.dtype(), tensor.shape(), &xla_shape));
    xla::PjRtClient::HostBufferSemantics host_buffer_semantics =
        xla::PjRtClient::HostBufferSemantics::kImmutableUntilTransferCompletes;
    TF_ASSIGN_OR_RETURN(
        auto buffer,

ElementsAttr GetTensorValueAsElementsAttr(
    TF::VarHandleOp var_handle_op, const tensorflow::Tensor& resource_tensor,
    const tensorflow::DeviceMgr* mgr, OpBuilder builder) {
  if (resource_tensor.dtype() != tensorflow::DT_RESOURCE) {
    return GetTensorValueAsElementsAttr(resource_tensor, builder);
  }

  auto handle = resource_tensor.scalar<tensorflow::ResourceHandle>()();

    Location loc = graph_func.getLoc();
    FunctionType ftype = graph_func.getFunctionType();

    func::FuncOp func = rewriter.create<func::FuncOp>(
        graph_func.getLoc(),
        graph_func->getAttrOfType<StringAttr>(SymbolTable::getSymbolAttrName())
            .getValue(),
        ftype);

    func->setAttrs(graph_func->getAttrs());

    llvm::SmallVector<Type> arg_types;
    llvm::SmallVector<Type> res_types;

      assert(while_caller.body_function() == func);
      while_callers.push_back(while_caller);
    }
  }
  return while_callers;
}

bool IsResourceType(Type type) {
  return mlir::isa<TF::ResourceType>(getElementTypeOrSelf(type));
}

bool OnlyOperatesOnCompositeDevices(
    TF::TPUExecuteAndUpdateVariablesOp& op,
    const TF::SideEffectAnalysis::Info& side_effect_analysis,

LogicalResult ConstantFoldMul(mhlo::MulOp op, PatternRewriter &rewriter) {
  ShapedType type = mlir::dyn_cast<ShapedType>(op.getType());
  Type etype = type.getElementType();
  Attribute result = {};
  if (mlir::isa<FloatType>(etype)) {
    result =
        BinaryFolder<mhlo::MulOp, FloatType, APFloat, std::multiplies<APFloat>>(
            &op);
  } else if (mlir::isa<IntegerType>(etype)) {
    result =

        type, builder.getFloatAttr(element_ty, unique_index));

  if (auto qtype = mlir::dyn_cast<QuantizedType>(element_ty)) {
    mlir::RankedTensorType new_type = tensorflow::GetTypeFromTFTensorShape(
        type.getShape(), qtype.getStorageType());
    return DenseElementsAttr::get(
        new_type, builder.getIntegerAttr(qtype.getStorageType(), unique_index));
  }
  llvm_unreachable("unhandled element type");
}