[PATCH] D16838: [LoopUnrolling] Try harder to avoid rebuilding LCSSA when possible.

[Mehdi AMINI via llvm-commits]

joker.eph added inline comments.

================
Comment at: lib/Transforms/Utils/LoopUnroll.cpp:491
@@ +490,3 @@
+                                             UnrolledLoopBlocks.end(), Dest),
+                                 UnrolledLoopBlocks.end());
+      }
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A one-line comment may be welcome :)


http://reviews.llvm.org/D16838