[llvm] [SLP] Fix : Do not skip profitable small VFs in Vectorize Stores (PR #177100)

[Ryan Buchner via llvm-commits]

bababuck wrote:

> Please ,Correct me if I'm wrong But my understanding is , The changes I made was just a boundary case vf==maxrangevf it doesn't relax any of the existing guards for vf>maxrangevf - which were added for compile time reasons But again I can be wrong or missing something

I wouldn't expect to see failures since as you noted we just changed the boundary case, but given that the PR  (#88563) that added this code initially had to be reverted twice for compile time regressions, I personally would like to run some baseline test to be safe.

https://github.com/llvm/llvm-project/pull/177100