then_branch.set_name(then_branch_xla_func_name);
    n->ClearAttr("then_branch");
    n->AddAttr("then_branch", then_branch);
  }
  if (else_branch_has_outside_compilation) {
    else_branch.set_name(else_branch_xla_func_name);
    n->ClearAttr("else_branch");
    n->AddAttr("else_branch", else_branch);
  }
  n->AddAttr(kXlaOriginalOutsideCompilationNodeName, n->name());

    const absl::InlinedVector<Node*, 4>& control_ret_nodes) {
  // Store the arg/return attributes as a list rather than uniqueuing during
  // construction.
  llvm::SmallVector<mlir::NamedAttrList, 4> arg_attrs;
  arg_attrs.resize(func.getNumArguments());
  llvm::SmallVector<mlir::NamedAttrList, 4> ret_attrs;
  ret_attrs.resize(func.getNumResults());

  auto set_attributes_on_func = [&](Node* node, int64_t index, bool is_arg) {

  auto x = ops::Placeholder(root.WithOpName("x"), DT_FLOAT);
  auto add1 = ops::Add(root.WithOpName("add1"), x, x);
  add1.node()->AddAttr("_cluster", "cluster1");
  auto add2 = ops::Add(root.WithOpName("add2"), add1, add1);
  add2.node()->AddAttr("_cluster", "cluster2");
  auto out = ops::Mul(root.WithOpName("mul"), add1, add2);

  Graph graph_before_encapsulation(OpRegistry::Global());

  // Fetch inputs and outputs from the signature.
  llvm::SmallVector<mlir::DictionaryAttr, 4> arg_attrs, res_attrs;
  main_op.getAllArgAttrs(arg_attrs);
  main_op.getAllResultAttrs(res_attrs);
  std::vector<std::string> sig_def_inputs =
      GetStringsFromDictionaryAttr(arg_attrs, kTfSavedModelIndexPathAttr);
  std::vector<std::string> sig_def_outputs =

                               attr_value_proto->length)) {
    status->status = absl::InvalidArgumentError("Invalid AttrValue proto");
    return;
  }

  mutex_lock l(graph->mu);
  op->node.AddAttr(attr_name, attr_val);
  RecordMutation(graph, *op, "setting attribute");
}

void TF_ClearAttr(TF_Graph* graph, TF_Operation* op, const char* attr_name,
                  TF_Status* status) {