[PATCH] D26154: [Reassociate] Skip analysis of dead code to avoid infinite loop.

[Davide Italiano via llvm-commits]

davide added inline comments.


================
Comment at: lib/Transforms/Scalar/Reassociate.cpp:2182-2185
+    // Skip dead basic blocks.
+    if (RankMap.count(&*BI) == 0)
+      continue;
+
----------------
You may want to expand this comment a bit.


https://reviews.llvm.org/D26154