[PATCH] D70699: [CriticalAntiDepBreaker] Teach the regmask clobber check to check if any subregister is preserved before considering the super register clobbered

[Sanjay Patel via Phabricator via llvm-commits]

spatel added reviewers: hfinkel, tjablin.
spatel added a comment.

Searching on earlier diffs leads to:
rL227311 <https://reviews.llvm.org/rL227311>
D18448 <https://reviews.llvm.org/D18448>
...so adding some more potential reviewers based on that.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70699/new/

https://reviews.llvm.org/D70699