[PATCH] D49015: [X86][Nearly NFC] Split SHLD/SHRD into their own WriteShiftDouble class

[Craig Topper via Phabricator via llvm-commits]

craig.topper accepted this revision.
craig.topper added a comment.
This revision is now accepted and ready to land.

I definitely believe these instructions would be different than single shifts. LGTM


Repository:
  rL LLVM

https://reviews.llvm.org/D49015