Index: lib/Support/ScopHelper.cpp
===================================================================
--- lib/Support/ScopHelper.cpp
+++ lib/Support/ScopHelper.cpp
@@ -116,23 +116,25 @@
     BasicBlock *EntryBB = NewEntry ? NewEntry : OldEntry;
     BasicBlock *SplitEdgeBB = SplitEdge(EnteringBB, EntryBB, P);
 
-    // Once the edge between EnteringBB and EntryBB is split, two cases arise.
-    // The first is simple. The new block is inserted between EnteringBB and
-    // EntryBB. In this case no further action is needed. However it might
-    // happen (if the splitted edge is not critical) that the new block is
-    // inserted __after__ EntryBB causing the following situation:
-    //
-    // EnteringBB
-    //     |
-    //    / \
-    //    |  \-> some_other_BB_not_in_R
-    //    V
-    // EntryBB
-    //    |
-    //    V
-    // SplitEdgeBB
-    //
-    // In this case we need to swap the role of EntryBB and SplitEdgeBB.
+    /***************************************************************************
+      Once the edge between EnteringBB and EntryBB is split, two cases arise.
+      The first is simple. The new block is inserted between EnteringBB and
+      EntryBB. In this case no further action is needed. However it might
+      happen (if the splitted edge is not critical) that the new block is
+      inserted __after__ EntryBB causing the following situation:
+
+      EnteringBB
+          |
+         / \
+         |  \-> some_other_BB_not_in_R
+         V
+      EntryBB
+         |
+         V
+      SplitEdgeBB
+
+      In this case we need to swap the role of EntryBB and SplitEdgeBB.
+    ***************************************************************************/
 
     // Check which case SplitEdge produced:
     if (SplitEdgeBB->getTerminator()->getSuccessor(0) == EntryBB) {