[PATCH] D32819: [IR] Switch AttributeList to use an array for O(1) access

[Reid Kleckner via Phabricator via llvm-commits]

rnk added a comment.

Added Hans as a reviewer. I think there is consensus from code owners that this is the right thing to do, but I'm still looking for a code reviewer with time.


https://reviews.llvm.org/D32819