[clang] [llvm] [BPF] Add load-acquire and store-release instructions under -mcpu=v5 (PR #108636)

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eddyz87 wrote:

> > Also a question regarding 3 commits in one pull request. As far as I understand [current](https://llvm.org/docs/GitHub.html) policy, the idea is to have a separate pull request for each commit (and fork branches from one another to build a stack). Otherwise the commits are squashed. What's the idea with current pull request?
> 
> Got it, I'll split this into separate PRs later.

(Not that I like this policy, but that's the way LLVM team decided to use github :man_shrugging:)

https://github.com/llvm/llvm-project/pull/108636