[llvm] [SLP] The order of store chains needs to consider the size of the values. (PR #101810)

[via llvm-commits]

tcwzxx wrote:

> You need to add the test(s) in the separate NFC patch, commit it, and then show in this patch that it updates/affects these new tests

Thanks for your patience. Is it OK now？

https://github.com/llvm/llvm-project/pull/101810