[PATCH] D121929: [AArch64] Mark all instructions that read/write FPCR as doing so

[John Brawn via Phabricator via llvm-commits]

john.brawn planned changes to this revision.
john.brawn added a comment.

This is interacting badly with MachineCSE, as the presence of a physical register prevents it from optimising in some cases. I think the fix is in MachineCSE, but removing this patch from review while I look at it.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121929/new/

https://reviews.llvm.org/D121929