[llvm] [LAA] Check accesses don't overlap early to determine NoDep (PR #92307)

[Nikita Popov via llvm-commits]

nikic wrote:

It looks like this causes large compile-time regressions in some cases: http://llvm-compile-time-tracker.com/compare.php?from=7cee61c82f7fe5a563c2781e855c13238c44931f&to=1b377dbeb73ef3abec246fe11fc98ec699625c0c&stat=instructions%3Au

For example, libclamav_phishcheck.c regresses by more than 20%.

https://github.com/llvm/llvm-project/pull/92307