[PATCH] D36335: Add ‘llvm.experimental.constrained.fma‘ Intrinsic

[Andy Kaylor via Phabricator via llvm-commits]

andrew.w.kaylor added a comment.

In https://reviews.llvm.org/D36335#846018, @craig.topper wrote:

> Do we want to give the target any chance to use FMSUB/FNMADD/FNSUB if any of the arguments are negated?


That's exactly the kind of thing I was afraid of missing by not channeling this through the normal path that ISD::FMA takes.


Repository:
  rL LLVM

https://reviews.llvm.org/D36335