[PATCH] D48453: [SCEV] Re-apply r335197 (with Polly fixes).

[Eli Friedman via Phabricator via llvm-commits]

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

LGTM on the polly bits.

The polly output is changing because polly strips "zext" operations off SCEV expressions, but doesn't touch extensions inside a SCEV expression.  The updated test still tests what it's supposed to test.


https://reviews.llvm.org/D48453