[PATCH] D100792: [LoopInterchange] Handle lcssa PHIs with multiple predecessors

[Whitney Tsang via Phabricator via llvm-commits]

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

Approve with minor comment.



================
Comment at: llvm/lib/Transforms/Scalar/LoopInterchange.cpp:1475
+      // header.
+      for (pred_iterator PI = pred_begin(InnerLatch), E = pred_end(InnerLatch);
+           PI != E; ++PI) {
----------------
`for (auto *Pred : predecessors(InnerLatch))`


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  https://reviews.llvm.org/D100792/new/

https://reviews.llvm.org/D100792