[flang-commits] [flang] [flang][OpenMP] Rewrite `omp.loop` to semantically equivalent ops (PR #115443)

[Kareem Ergawy via flang-commits]

ergawy wrote:

> I have a nit comment about the name. `GenericLoopConversionPass` seems a bit too Generic.

The term `GenericLoop` is adapted from clang: `OMPGenericLoopDirective` (see for example `emitTargetTeamsGenericLoopRegionAsParallel` and `emitTargetTeamsGenericLoopRegionAsDistribute`). Since I am planning to handle all the cases relevant to the `omp.loop` in this new pass, I just went this name.
 
> Is this implementing parts of https://discourse.llvm.org/t/rfc-representing-combined-composite-constructs-in-the-openmp-dialect/76986? If so a link to the discourse post would be useful.

Done.

https://github.com/llvm/llvm-project/pull/115443