manager.addPass(mlir::TF::CreateTFShapeInferencePass());
  manager.addNestedPass<mlir::func::FuncOp>(
      mlir::CreateFunctionalToExecutorDialectConversionPass());
  manager.addPass(mlir::CreateBreakUpIslandsPass());

  mlir::StatusScopedDiagnosticHandler diag_handler(module.getContext());

  if (VLOG_IS_ON(2)) {
    llvm::StringRef module_name = llvm::StringRef();
    constexpr const char* kDebugGroupBridgePhase2 =

namespace mlir {

// Creates a pass that breaks up an island with multiple ops into multiple
// islands, each with a single op.
std::unique_ptr<OperationPass<ModuleOp>> CreateBreakUpIslandsPass();

// Creates a pass that converts mlir functions consisting of mlir ops into a
// tf_executor dialect as a single island.
std::unique_ptr<OperationPass<func::FuncOp>>

}

def BreakUpIslandsPass : Pass<"tf-executor-break-up-islands", "mlir::func::FuncOp"> {
  let summary = "Transform from TF control dialect to TF executor dialect.";
  let constructor = "CreateBreakUpIslandsPass()";
  let dependentDialects = ["mlir::tf_executor::TensorFlowExecutorDialect"];
}

def SplitIntoIslandPerOpPass : Pass<"tf-executor-split-into-island-per-op", "mlir::func::FuncOp"> {