[PATCH] D106140: [LV] Change interface of getReductionPatternCost to return Optional

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

Thanks. I felt like this should be separate from Instruction Cost. It is whether the reduction pattern was found or not, not what the cost of the underlying instructions would be, so is a little different.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106140/new/

https://reviews.llvm.org/D106140