[PATCH] D141020: [X86][ABI] Don't preserve return regs for preserve_all/preserve_most CCs

[Phoebe Wang via Phabricator via llvm-commits]

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

LGTM.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141020/new/

https://reviews.llvm.org/D141020