const std::variant<MlirToHloArgs, FunctionToHloArgs>& computation) {
  if (computation.index() == 1) return true;

  return std::get<0>(computation).rollout_state ==
         ConfigProto::Experimental::MLIR_BRIDGE_ROLLOUT_DISABLED;
}

void DumpComputationInput(
    const std::variant<tpu::MlirToHloArgs, tpu::FunctionToHloArgs>
        computation) {
  if (!VLOG_IS_ON(2)) {
    return;
  }

  return true;
}

namespace {

// Compiles the XLA computation into executable code.
Status CompileXla(xla::CompileOnlyClient* client,
                  const xla::XlaComputation& computation,
                  const xla::cpu::CpuAotCompilationOptions& aot_opts,
                  CompileResult* compile_result) {
  // Retrieves arg and result layouts from the computation.
  // TODO(toddw): Should we let the user choose the major/minor ordering?

      /*lower_to_xla_hlo=*/true, computation, metadata, device_type,
      shape_determination_fns, use_tuple_args, compilation_result,
      custom_legalization_passes, arg_shapes, arg_core_mapping,
      per_core_arg_shapes);

  if (mlir_bridge_status.ok()) {
    VLOG(1) << "Successfully compiled MLIR computation to XLA HLO using MLIR "
               "tf2xla bridge";

  xla::Tuple(&builder, tuple_values);

  TF_ASSERT_OK_AND_ASSIGN(XlaComputation computation, builder.Build());
  EXPECT_EQ(computation.proto().computations_size(), 2);

  TF_ASSERT_OK(CreateMlirModule());
  TF_ASSERT_OK_AND_ASSIGN(TupleOp root_tuple,
                          ImportXlaComputationIntoModule(computation));
  EXPECT_TRUE(root_tuple);

  int num_func_ops = 0;

  let summary = "Extracts device outside compilation computation to a separate tf_device.parallel_execute region.";

  let description = [{
    This pass extracts a CPU computation cluster with `_xla_outside_compilation`
    annotation, which denotes ops that should be run on CPU/host, from a device cluster.
    Each outside compilation cluster is moved to

  return llvm::isa<TF::CastOp, TF::IdentityOp>(op);
}

// Adds outside compilation attributes to unary ops such as Identity/Cast ops
// at the head of TPU computation that is used only by other outside compiled
// ops. Identity ops and Cast ops is commonly added to the start of TPU
// computation. Adding/expanding outside compilation attributes to these ops
// will ensure that head outside compiled ops are correctly located and moved to

// TF device dialect passes.

def ResourceOpLiftingPass : Pass<"tf-resource-op-lifting", "ModuleOp"> {
  let summary = "Lifting resource operations out of device computation";
  let description = [{
    This pass lifts resource variable operations outside of device computation.
    This is useful because a lot of accelerator devices can not interact with
    resource variables directly..

namespace foo {
namespace bar {

// MyClass represents a computation previously specified in a
// TensorFlow graph, now compiled into executable code. This extends the generic
// XlaCompiledCpuFunction class with statically type-safe arg and result
// methods. Usage example:
//
//   MyClass computation;
//   // ...set args using computation.argN methods
//   CHECK(computation.Run());
//   // ...inspect results using computation.resultN methods

  }

  if (output_to_input_alias.empty()) return absl::OkStatus();

  xla::HloModuleProto* module_proto =
      compilation_result->computation->mutable_proto();
  absl::StatusOr<xla::ProgramShape> program_shape_or_status =
      compilation_result->computation->GetProgramShape();
  TF_RET_CHECK(program_shape_or_status.ok());

  xla::ProgramShape& program_shape = program_shape_or_status.value();

  LOG_FIRST_N(INFO, 1) << "Compiling MLIR computation to XLA HLO using the "
                          "Combined MLIR Tf2Xla Bridge.";

  absl::StatusOr<std::string> mlir_compilation =
      internal::CompileFromMlirToXlaHlo(
          /*lower_to_xla_hlo=*/false, computation, metadata, device_type,
          shape_determination_fns, use_tuple_args, compilation_result,