Clean whitespaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopRotation.cpp b/lib/Transforms/Scalar/LoopRotation.cpp
index 59aace9..7eeb152 100644
--- a/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/lib/Transforms/Scalar/LoopRotation.cpp
@@ -418,12 +418,13 @@
     }
 
     // Right now OrigPreHeader has two successors, NewHeader and ExitBlock, and
-    // thus is not a preheader anymore.  Split the edge to form a real preheader.
+    // thus is not a preheader anymore.
+    // Split the edge to form a real preheader.
     BasicBlock *NewPH = SplitCriticalEdge(OrigPreheader, NewHeader, this);
     NewPH->setName(NewHeader->getName() + ".lr.ph");
 
-    // Preserve canonical loop form, which means that 'Exit' should have only one
-    // predecessor.
+    // Preserve canonical loop form, which means that 'Exit' should have only
+    // one predecessor.
     BasicBlock *ExitSplit = SplitCriticalEdge(L->getLoopLatch(), Exit, this);
     ExitSplit->moveBefore(Exit);
   } else {