[PATCH] D28914: [AliasAnalysis] Fences do not modify constant memory location

[Anna Thomas via Phabricator via llvm-commits]

anna added a comment.

Hi Daniel,

In https://reviews.llvm.org/D28914#650775, @dberlin wrote:

> Even though most AA related calls will crash trying to get a memorylocation from the fence, this looks right..


I've seen the lack of memory locations in optimizations when using `memssa` version for optimizations. So, in such cases, it would still return `ModRef`.


https://reviews.llvm.org/D28914