[llvm] LAA: add pre-commit tests for stride-versioning (PR #97570)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

Just a minor nit, but the language in the PR title is a bit confusing. Currently (to me) `LAA: add pre-commit tests for stride-versioning` sounds like it's adjusting the precommit CI pipeline rather than pre-committing a test for a future patch. Maybe remove the word `add` from the title?

https://github.com/llvm/llvm-project/pull/97570