[PATCH] D159198: [DAG] Fold (shl (ext (add x, c1)), c2) -> (add (shl (ext x), c2), c1 << c2)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon planned changes to this revision.
RKSimon added a comment.

OK, I'll just go with sext/nsw for now - I'll add some explicit negative tests, although there are plenty of existing test cases that implicity do this for us already.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D159198/new/

https://reviews.llvm.org/D159198