Interviewer asks you questions regarding your cv and some technical questions. Mostly checking whether you have the experience regarding the field. Some questions can go quite in-depths as well. It's around an hour long, then they would tell you your result within a week or two.

1 introductory and then 5 technical interviews with team members, one of which is the manager of the team you interview for (each interview on a different topic to cover experience)

First discuss 5 minutes of personal experiences, then it is a hands-on technical interview question. Given a concrete IR example, how would the compiler to perform most aggresive optimization. what are the tradeoffs