[PATCH] D12338: Make `llvm::expandAtomicRMWToCmpXchg`'s initial load atomic.

[JF Bastien via llvm-commits]

jfb accepted this revision.
jfb added a comment.
This revision is now accepted and ready to land.

lgtm, but leave open for a short while if @morisset wants to comment.


http://reviews.llvm.org/D12338