[llvm] [InterleavedAccessPass] Avoid optimizing load instructions if it has dead binop users (PR #71339)

[via llvm-commits]

Skwoogey wrote:

> This looks good to me, if these userless instructions are left around. Thanks for the fix.

Encountered that issue with a proprietary compiler and decided to try and upstream it. Thanks for the review.

https://github.com/llvm/llvm-project/pull/71339