[llvm] [AArch64] Add streaming-mode stack hazard optimization remarks (PR #101695)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

Thanks for adding this. It sounds like it should be useful for detecting when stack hazards are able to fix the problems. I had some minor comments, but it otherwise looks sensible to me.

https://github.com/llvm/llvm-project/pull/101695