} else {
    return false;
  }
  return true;
}

// Create a dummy zero to be fed locally from the host to the TPUExecute.
Value CreateZeroInput(Location loc, OpBuilder& builder, Attribute zero_attr,
                      DenseIntElementsAttr shape_attr) {
  ConstOp zero = builder.create<ConstOp>(loc, zero_attr);
  zero->setAttr(kICIWeightDistributionMlirBridgeMarker,

// be created).
static void DumpModule(mlir::ModuleOp module, std::string file_prefix) {
  std::string prefix = GetDumpDirFromEnvVar();
  if (prefix.empty()) return;

  auto* env = tensorflow::Env::Default();
  auto status = env->RecursivelyCreateDir(prefix);
  if (!status.ok()) {
    LOG(WARNING) << "cannot create directory '" << prefix
                 << "': " << status.message();

  for (const auto& device : devices)
    if (DeviceNameUtils::IsCompleteSpecification(spec, device))
      matching_devices.push_back(device);
  return matching_devices;
}

// Create error message for a conflicting attribute of a device.
template <typename T>
absl::Status MismatchedTPUSystemAttributeErr(absl::string_view attribute, T a,
                                             T b) {

  EXPECT_EQ(compilation_status.Delta(kOldBridgeWithFallbackModeSuccess), 0);
}

TEST(LegalizeTFTest, RecordsStreamzForNoMlirFallback) {
  FunctionDef my_func =
      tensorflow::FunctionDefHelper::Create("empty", {}, {}, {}, {}, {});

  tensorflow::FunctionDefLibrary fdef;
  *(fdef.add_function()) = my_func;
  tensorflow::FunctionLibraryDefinition flib_def(
      tensorflow::OpRegistry::Global(), fdef);

  nodes_[inst] = node;
  return absl::OkStatus();
}

bool IsEntryFunctionArg(BlockArgument arg) {
  return arg.getParentRegion()->getParentOfType<FuncOp>().getName() == "main";
}

// Creates argument nodes from Block argument. If a name is supplied, that
// name will be used instead of generating a unique name.
Status Exporter::AddArgumentNode(BlockArgument arg, unsigned index,

    TF_RETURN_IF_ERROR(c_event->Create());
    return std::move(c_event);
  }

  absl::StatusOr<std::unique_ptr<Stream>> CreateStream(
      std::optional<std::variant<StreamPriority, int>> priority =
          std::nullopt) override {
    auto stream = std::make_unique<CStream>(&device_, stream_executor_, this);
    TF_RETURN_IF_ERROR(stream->Create());
    return std::move(stream);
  }

 private:

#include "tensorflow/compiler/mlir/tensorflow/transforms/passes.h"
#include "tensorflow/compiler/mlir/tensorflow/transforms/tf_saved_model_passes.h"
#include "xla/mlir_hlo/mhlo/transforms/passes.h"

namespace mlir {
/// Create a pass to convert from the TFExecutor to the TF control dialect.
std::unique_ptr<OperationPass<func::FuncOp>>
CreateTFExecutorToControlDialectConversion();
}  // namespace mlir

namespace tensorflow {
namespace {