[llvm] [PATCH] [Xtensa] Implement FrameLowering methods and stack operation lowering. (PR #92960)

[Andrei Safronov via llvm-commits]

andreisfr wrote:

> I fixed two warnings in [dd82fd4](https://github.com/llvm/llvm-project/commit/dd82fd4744397e0510c8204f1a6031441e21858e). You might want to build llvm-project with a not-too-ancient clang to ensure that there is no such warning for future patches:)
> 
> `[PATCH] ` in the title is not needed. The majority of patches omit the trailing full stop in the title.
Thank you very much, I'll take this into account.


https://github.com/llvm/llvm-project/pull/92960