[PATCH] D35035: [InstCombine] Prevent memcpy generation for small data size

[Joerg Sonnenberger via Phabricator via llvm-commits]

joerg added a comment.

@spatel: I don't see a reason why we can't (or shouldn't) try to do common-prefix elimination for the memcmp intrinsic. It certainly seems to be better to me to preserve the intrinsics in your case as they should be easier to reason about. That's kind of my question for here too -- why does the expansion allow better code?


https://reviews.llvm.org/D35035