[PATCH] D48130: [AtomicExpandPass]: Add a hook for custom cmpxchg expansion in IR

[Alex Bradbury via Phabricator via llvm-commits]

asb added a comment.

In https://reviews.llvm.org/D48130#1132313, @t.p.northover wrote:

> It seems a bit of a shame to hide that masked expansion away in lib/Target/RISCV when MIPS (at least) needs similar logic. I suppose someone who wants to refactor MIPS can move it out again though.


I agree. I've restructured things so that as much masked expansion as possible is in AtomicExpandPass and can be reused across targets.


https://reviews.llvm.org/D48130