namespace {
constexpr char kCompositeDevice[] = "tf._composite_device";
}  // namespace

ResourceConstructingOps::ResourceConstructingOps(Operation *op) {
  if (op) ops.insert(op);
}

ResourceConstructingOps ResourceConstructingOps::EntryState(
    MLIRContext *context) {
  return ResourceConstructingOps();
}
ResourceConstructingOps ResourceConstructingOps::EntryState(Value value) {
  if (auto barg = mlir::dyn_cast<BlockArgument>(value)) {

namespace TF {

// Used as a lattice value.
struct ResourceConstructingOps {
  explicit ResourceConstructingOps(Operation *op = nullptr);
  static ResourceConstructingOps EntryState(MLIRContext *context);
  static ResourceConstructingOps EntryState(Value value);
  bool operator==(const ResourceConstructingOps &rhs) const {
    return ops == rhs.ops;
  }

  static ResourceConstructingOps join(const ResourceConstructingOps &lhs,