[PATCH] D52154: [LoopInterchange] Preserve LCSSA.

[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



================
Comment at: lib/Transforms/Scalar/LoopInterchange.cpp:1355
+      auto *Usr = cast<Instruction>(U.getUser());
+      if (Usr && Usr->getParent() != InnerExit) {
+        hasUsersOutside = true;
----------------
Usr is always non-null.


https://reviews.llvm.org/D52154