const TF::SideEffectAnalysis::Info& side_effect_analysis) {
  // IfRegion ops must be in the same block.
  if (second_if.getOperation()->getBlock() !=
      first_if.getOperation()->getBlock()) {
    return false;
  }
  assert(first_if.getOperation()->isBeforeInBlock(second_if.getOperation()));

  llvm::SmallSetVector<Operation*, 4> destination_ops =
      GetAllOpsFromIf(first_if);

		}
		return nil

	default:
		return admission.NewForbidden(a, fmt.Errorf("unexpected operation %s", a.GetOperation()))
	}
}

func (p *Plugin) admitPVCStatus(nodeName string, a admission.Attributes) error {
	switch a.GetOperation() {
	case admission.Update:
		oldPVC, ok := a.GetOldObject().(*api.PersistentVolumeClaim)
		if !ok {

      if (failed(MoveStandalonePreprocessingOp(&builder, getOperation(), op)))
        return signalPassFailure();
    }
    RewritePreprocessInputs(&builder, getOperation(), op);
  }

  // Handle ops with mini_batch_in_csr attribute.
  preprocess_ops.clear();
  getOperation().walk([&](Operation* op) {
    if (op->hasAttr(kMiniBatchCsrAttr)) {
      preprocess_ops.push_back(op);
    }
  });

    rewriter.setInsertionPointToEnd(&func.getBody().front());
    rewriter.create<func::ReturnOp>(
        loc, executor_graph.getOperation()->getResults());

    rewriter.replaceOp(graph_func.getOperation(),
                       func.getOperation()->getResults());

    return success();
  }
};

class ConvertReturnOp : public OpConversionPattern<tfg::ReturnOp> {
 public:

    mlir::SymbolRefAttr sym = callable.dyn_cast<mlir::SymbolRefAttr>();
    auto symbol =
        mlir::SymbolTable::lookupNearestSymbolFrom(call.getOperation(), sym);
    if (!symbol) return failure();
    auto f = llvm::dyn_cast<mlir::func::FuncOp>(symbol);

    if (call.getOperation()->getNumOperands() !=
        f.getBody().front().getNumArguments()) {
      return failure();  // RemoteCall et al
    }

      }
    }

    // Move inner ops from island to block containing graph.
    auto &island_body = island_op.GetBody().getOperations();
    Operation *operation = op.getOperation();
    operation->getBlock()->getOperations().splice(
        operation->getIterator(), island_body, island_body.begin(),
        std::prev(island_body.end()));
    rewriter.replaceOp(op, new_rets);

    Operation* inlined_point = call_op.getOperation();
    Operation* after_inlined_point =
        &*std::next(Block::iterator(call_op.getOperation()));

    // Use the inliner to replace all the uses of the call_op by its
    // composition.
    if (failed(inlineCall(inliner,
                          cast<CallOpInterface>(call_op.getOperation()),

          operand->get().getType() ==
              ShuffleRankedTensorType(ranked_tranpose_type, permutation)) {
        TransposeOp transpose = tranpose_op;
        transpose.getOperation()->moveBefore(op);
        transpose.setOperand(0, operand->get());
        transpose.setOperand(1, permutation_op);
        transpose_ops->erase(it);
        return transpose;
      }
    }
  }

  LogicalResult matchAndRewrite(OpTy op,
                                PatternRewriter& rewriter) const override {
    if (op.getOperation()->template hasTrait<OpTrait::IsTerminator>()) {
      return failure();
    }
    for (auto result : op.getOperation()->getOpResults()) {
      if (!result.use_empty()) {
        return failure();
      }
    }

    llvm::SmallVectorImpl<tf_executor::IslandOp>& executes,
    bool legacy_graph_export, int parallel_group_idx) {
  const int num_regions = parallel_execute_op.getOperation()->getNumRegions();
  executes.reserve(num_regions);

  for (int i : llvm::seq<int>(0, num_regions)) {
    Block& execute_block = parallel_execute_op.GetRegionBlockWithIndex(i);