[llvm-branch-commits] [llvm] InstCombine: Fold out nanless canonicalize pattern (PR #172998)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

> > Both arms should be simplified independently.
> 
> I'm not sure that's possible for the second case. The intermediate fdiv cannot disappear while handling the canonicalize, the canonicalize is absorbing the effects from the fdiv

By second case, I mean all of the DAZ cases 

https://github.com/llvm/llvm-project/pull/172998