[clang] [Offload] Move HIP and CUDA to new driver by default (PR #84420)

[Michal Paszkowski via cfe-commits]

michalpaszkowski wrote:

Hi @jhuber6! Thank you for the pull request!

> This is not intended to be landed immediately, but to allow for greater
> testing. One potential issue I've discovered is the lack of SPIR-V
> support or handling for `--offload`.

Do you mean the SPIR-V target (backend)? I have not followed this area of work closely. What is missing or what exactly needs to be supported by the SPIR-V target? Any help or pointers would be greatly appreciated!

https://github.com/llvm/llvm-project/pull/84420