Index: lib/Transforms/Utils/LCSSA.cpp
===================================================================
--- lib/Transforms/Utils/LCSSA.cpp
+++ lib/Transforms/Utils/LCSSA.cpp
@@ -92,9 +92,6 @@
     assert(LoopExitBlocks.count(L));
     const SmallVectorImpl<BasicBlock *> &ExitBlocks = LoopExitBlocks[L];
 
-    if (ExitBlocks.empty())
-      continue;
-
     // Tokens cannot be used in PHI nodes, so we skip over them.
     // We can run into tokens which are live out of a loop with catchswitch
     // instructions in Windows EH if the catchswitch has one catchpad which