[PATCH] D16404: [X86] Use hash table in LEA optimization pass

[Daniel Berlin via llvm-commits]

dberlin added a comment.

It looks like all the comments I had were fixed. Just ping quentin and make sure he's okay with it, and then LGTM.
(If we end up with further perf issues, we can look into changing it a bit more, but i'm pretty sure it's not going to take a lot of time at this point)


http://reviews.llvm.org/D16404