[llvm] [LAA] Keep pointer checks on partial analysis (PR #139719)

[John Brawn via llvm-commits]

john-brawn-arm wrote:

I've added an option to LoopAccessAnalysis to control whether partial results are allowed, and enabled it only in LoopVersioningLICM. With that there are no reported compile time regressions: https://llvm-compile-time-tracker.com/compare.php?from=5c28af409978c19a35021855a29dcaa65e95da00&to=c21056925992f7e536faa766b8773c6582ebd916&stat=instructions:u

https://github.com/llvm/llvm-project/pull/139719