[llvm] [LV] Enable auto-vectorisation of loops with uncountable exits (PR #133099)

[David Sherwood via llvm-commits]

david-arm wrote:

> I just started looking at early exits again after our initial attempt at it a while ago, also on llvm-dev channel: https://github.com/annamthomas/work-notes/blob/main/MultiDataDependentExitVectorization.rst).
> 
> @fhahn @david-arm, are there any other known functional issues blocking the early-exit option from being switched on by default apart from #128061?
> 
> I'll run some tests downstream with the option ON and see what falls out.

No issues that I know of. I was just waiting for https://github.com/llvm/llvm-project/pull/128061. I can also run some downstream tests again and rebase this patch!

https://github.com/llvm/llvm-project/pull/133099