[clang] [HIP] Claim `--offload-compress` for `-M` (PR #133456)

[Yaxun Liu via cfe-commits]

yxsamliu wrote:

> Why does this only cause warnings when it makes dependency files?

Because `--offloading-compress` is parsed by offload bundler and offload wrapper actions when creating job actions. There is no action to parse them in the compilation that only generates dependency files.

> If we can check whether or not it's HIP, then why isn't any of the HIP argument parsing happening?

Sorry I did not quite understand this question. Can you elaborate? Thanks.


https://github.com/llvm/llvm-project/pull/133456