[llvm] [LV] Vectorize early exit loops with stores using masking (PR #178454)

[Graham Hunter via llvm-commits]

huntergr-arm wrote:

> I think it would be useful to have a code-example of this style of vectorization and what that looks like, in the PR's description.

What in particular would you like to see? IR samples? Scalar C vs. builtins? Resulting codegen?

https://github.com/llvm/llvm-project/pull/178454