[llvm] [LV] Run simplifyRecipes after addExplicitVectorLength (PR #200794)

[David Sherwood via llvm-commits]

david-arm wrote:

If it's a choice between:
1. Running an extra generic pass for EVL, or
2. Adding more complex EVL-based transforms in optimizeMasksForEVL
then it does sound like 1) is the better option, by reducing the need for extra complexity? I admit I've probably not fully understood the problem though.

https://github.com/llvm/llvm-project/pull/200794