[PATCH] D90640: [LoopFlatten] Widen the IV

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer added inline comments.


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Comment at: llvm/test/Transforms/LoopFlatten/widen-iv.ll:90
+
+for.cond1.preheader:                              ; preds = %for.cond1.preheader.preheader, %for.cond1.preheader
+  %i.018 = phi i32 [ %inc6, %for.cond1.preheader ], [ 0, %for.cond1.preheader.preheader ]
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dmgreen wrote:
> Can this test be cleaned up a bit (or perhaps a simpler test be added). This seems to be loop unswitched with this extra remainder loop left over.
I have kept the test because this is my motivating example, and the IR input to loop flatten when it is generated from source. Skipping loop unswitch caused this to no longer trigger, and the test isn't that big, so I would prefer to keep it. If you insist, I will have another look though.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90640/new/

https://reviews.llvm.org/D90640