// Legalize TF While to TFL While with calls to the original functions from the
// cond and body regions.
struct LegalizeWhilePass
    : public impl::LegalizeWhilePassBase<LegalizeWhilePass> {
  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(LegalizeWhilePass)
  void RunOnFunction(func::FuncOp func);

  void runOnOperation() override {
    for (auto op : getOperation().getOps<func::FuncOp>()) RunOnFunction(op);