if (overall_state == MlirOptimizationPassState::Disabled) {
    if (VLOG_IS_ON(1)) {
      LOG_FIRST_N(INFO, 1)
          << "None of the MLIR Optimization Passes are enabled "
          << "(registered " << registry_->passes().size() << ")";
    }
    return absl::OkStatus();
  }

  if (VLOG_IS_ON(1)) {
    LOG_FIRST_N(INFO, 1) << "MLIR Graph Optimization Passes."
                         << " Enabled: " << num_passes_enabled

    std::vector<tpu::ShardingAndIndex>* arg_core_mapping,
    std::vector<std::vector<xla::Shape>>* per_core_arg_shapes,
    xla::CompileOnlyClient* client,
    XlaCompiler::CompilationResult* compilation_result) {
  LOG_FIRST_N(INFO, 1) << "Compiling MLIR computation to XLA HLO using the "
                          "old (non-MLIR) tf2xla bridge";

  CompilationTimer timer;
  *compilation_result = {};