[flang-commits] [flang] [Flang][bbc] Prevent bbc -emit-fir command invoking all passes twice (PR #80927)

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agozillon wrote:

Updated the PR, I opted to break off the OpenMP pass pipeline into it's own function/pass manager to be executed at the point where I believe it's required (after the module generation and prior to the first verification pass). 

I opted to do it this way as opposed to inserting a pass manager clear and then re-add of the verification pass to the pass manager in-between the runs as this hopefully makes the logic a little simpler to follow and makes any new additions easier as well (effectively keeping the OpenMP logic encased in it's own world people can for the most part ignore).

I am open to other alternatives though, but this seemed the simplest (that I could think of at least).

https://github.com/llvm/llvm-project/pull/80927