[llvm] [LoopVectorize] Enhance Vectorization decisions for predicate tail-folded loops with low trip counts (PR #69588)

[Igor Kirillov via llvm-commits]

igogo-x86 wrote:

> It looks like test coverage for the new functionality is missing at the moment?

That's a question I would like to ask. Since this change doesn't add new functionality, just changes the decision made in the process, what would be a good test for it?

https://github.com/llvm/llvm-project/pull/69588