[PATCH] D28675: [DAGCombine] require UnsafeFPMath for re-association of addition

[Hal Finkel via Phabricator via llvm-commits]

hfinkel added a comment.

In https://reviews.llvm.org/D28675#645313, @mehdi_amini wrote:

> What about individual FMF?


I agree; these transforms rely on the associativity of addition. As Mehdi says, you should check the FMFs on the individual instructions.


https://reviews.llvm.org/D28675