[PATCH] D50417: [InstCombine] fold fneg into constant operand of fmul/fdiv

[Michael Berg via Phabricator via llvm-commits]

mcberg2017 added a comment.

Looked it over in detail, the transformations all track. 
LGTM, up to you if you want second set of eyes.


https://reviews.llvm.org/D50417