[PATCH] D45651: [X86] Add DAG combine to turn (trunc (srl (mul ext, ext), 16) into PMULHW/PMULHUW.

[Sanjay Patel via Phabricator via llvm-commits]

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

LGTM, but please do check in the tests with baseline output first (just in case the code change is reverted, we don't want to lose the tests).


Repository:
  rL LLVM

https://reviews.llvm.org/D45651