[flang-commits] [flang] [Flang][OpenMP] Add Semantics support for Nested OpenMPLoopConstructs (PR #145917)

[Jack Styles via flang-commits]

Stylie777 wrote:

@jsjodin 
So I have managed to implement a check for tiling after unrolling and not allowing it - I will update the PR by EOD with this.

I think for other cases where it is more involved, a new pass/PR is more sensible. I don't think solving this in the backend is a bad idea, because then as you pointed out it would deal with MLIR/Clang (and any other frontend that uses llvm). I suspect the new pass could be implemented there and it may remove the need for some of the checks we are doing currently in the frontend of clang. Either way, it's a subject for another PR.

https://github.com/llvm/llvm-project/pull/145917