[llvm] [LV] Disable fold tail by masking - when induction vars used outside (PR #81609)

[Niwin Anto via llvm-commits]

niwinanto wrote:

> > As you suggested, I created a new commit with different branch and created new PR(for test as mentioned above). For some reason it contain the commit from this PR, which I tried to remove by dropping in interactive re-base and forced push.
> > Also, addressed feedback regarding the tests.
> 
> Looking at https://github.com/niwinanto/llvm-project/pull/2/commits, it looks like there's a single commit adding the test, so that looks good I think? Could you update the destination branch to be upstream llvm-project's `main`?

@fhahn  Here is the PR, https://github.com/llvm/llvm-project/pull/82329.

https://github.com/llvm/llvm-project/pull/81609