[PATCH] D61622: [FastISel][X86] If selectFNeg fails, fall back to SelectionDAG not treating it as an fsub.

[Cameron McInally via Phabricator via llvm-commits]

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

Actually, I take that back. Was just doing a post-mortem on D53650 <https://reviews.llvm.org/D53650> and this makes perfect sense now. I tried to combine a `isFNeg(...)` and `getFNegArgument(...)` into one match, but I botched it. Sorry you had to track that down.

This LGTM!


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61622/new/

https://reviews.llvm.org/D61622