[PATCH] D96869: [AMDGPU] Fix saving fp and bp

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne added a subscriber: hliao.
sebastian-ne added a comment.

In the light of changes in  D96980 <https://reviews.llvm.org/D96980>, can we assume that

1. `exec != 0` in the function prolog and epilog?
2. exec in the epilog is a subset of exec in the prolog (i.e. no new lanes are active)?

That would simplify the code here.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96869/new/

https://reviews.llvm.org/D96869