[PATCH] D22630: Loop rotation

Aditya Kumar via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 18 12:34:27 PDT 2016

hiraditya added inline comments.

Comment at: llvm/lib/Analysis/LoopInfo.cpp:225
           LoopID = MD;
+          I = TI;
+        }
mzolotukhin wrote:
> What if a loop has two backedges? `LoopID` would be the same for both of them, but `TI` obviously would be different.
If multiple instructions are branching to the loop-header with via a back-edge, I think, that means there are two different loops.


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