[PATCH] D89381: [SCEV] Re-enable "Use nw flag and symbolic iteration count to sharpen ranges of AddRecs", attempt 2

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D89381#2343569 <https://reviews.llvm.org/D89381#2343569>, @mkazantsev wrote:

> How come that polly buildbot breach is a reason for a revert?

The patch has been reverted multiple times and the polly test demonstrates an internal difference which did not seem cosmetic. Plus nikic had several unaddressed comments. Hence the revert.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89381/new/

https://reviews.llvm.org/D89381