// ops before `preprocess_op`.  This actually creates a new launch op after
// _TPUCompileMlir and moves `preprocess_op` and its successors that are input
// to TPUExecute to it.
LogicalResult MovePreprocessingOpInLaunch(OpBuilder* builder,
                                          func::FuncOp func_op,
                                          Operation* preprocess_op) {