[PATCH] D140045: [X86] Move RDFLAGS/WRFLAGS expansion until after RA

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

You should be able to teach frame lowering to compute the correct offsets by fixing X86InstrInfo::getSPAdjust().  Maybe that's better than trying to avoid the use of frame indexes between the push and pop?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140045/new/

https://reviews.llvm.org/D140045