[PATCH] D47553: Add TargetLowering::shouldExpandAtomicToLibCall and query it from AtomicExpandPass

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

MachineOutliner will probably become more flexible soon; see https://bugs.llvm.org/show_bug.cgi?id=37573 .


https://reviews.llvm.org/D47553