[flang-commits] [flang] [Flang] Adding atomicadd as a cudadevice intrinsic and converting it LLVM dialect (PR #123840)

[via flang-commits]

https://github.com/jeanPerier approved this pull request.

The approach makes sense to me, although I am not expert enough with the stages after lowering to give great feedback regarding atomic.

The way it is plugged here LGTM. Few questions inlined.

https://github.com/llvm/llvm-project/pull/123840