Please see the exercise_three.md file for detailed instructions, in the sample_solutions directory you can see the completed transformation in-case you are having difficulties.
This tutorial has been tested with version 0.12.1 of xDSL and LLVM 16, these are the default versions on ARCHER2 (see login and access instructions) and we have also provided local machine instructions for setting up the environment yourself on another machine if you are following this tutorial externally.