[PATCH] D49273: [InstCombine] Expand the simplification of pow() into exp2()

[Evandro Menezes via Phabricator via llvm-commits]

evandro reopened this revision.
evandro added a comment.
This revision is now accepted and ready to land.

Windows lacks `exp2()` support.


Repository:
  rL LLVM

https://reviews.llvm.org/D49273