I created SILInspector to do some demos for a presentation:<p><a href="https:&#x2F;&#x2F;github.com&#x2F;alblue&#x2F;SILInspector" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;alblue&#x2F;SILInspector</a><p>You can switch between the various stages of the Swift compiler including assembly.<p>I did a talk for Swift London recently which was recoded: should be at <a href="https:&#x2F;&#x2F;m.youtube.com&#x2F;channel&#x2F;UC5ypB3f_gdQm2qJ4gmjYkJg" rel="nofollow">https:&#x2F;&#x2F;m.youtube.com&#x2F;channel&#x2F;UC5ypB3f_gdQm2qJ4gmjYkJg</a> at some point.