I got asked compiler question once. How to find dominators. I haven't had to fin... | Hacker News

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flamedoge on May 30, 2017 | parent | context | favorite | on: As Computer Coding Classes Swell, So Does Cheating

I got asked compiler question once. How to find dominators. I haven't had to find dominators for a very long time other than from a college course, mostly only used them. Looking it up, it's definitely not something you can come up with because it's so clever.

tonyedgecombe on May 30, 2017 | [–]

Those questions tell you more about the interviewer than the interviewee.

mafribe on May 30, 2017 | [–]

Was this interview for a compiler position?

Anyway, dominators make sense for arbitrary directed graphs (with a notion of root).

flamedoge on May 30, 2017 | [–]

yea, but for a target dependent backend position.

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