Use empty() instead of begin() == end().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 3 insertions, 0 deletions

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index e22f22f070..1b684d73d3 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -648,6 +648,7 @@ public:
   typedef typename std::vector<LoopBase<BlockT>*>::const_iterator iterator;
   iterator begin() const { return TopLevelLoops.begin(); }
   iterator end() const { return TopLevelLoops.end(); }
+  bool empty() const { return TopLevelLoops.empty(); }
   
   /// getLoopFor - Return the inner most loop that BB lives in.  If a basic
   /// block is in no loop (for example the entry node), null is returned.
@@ -947,6 +948,7 @@ public:
   typedef std::vector<Loop*>::const_iterator iterator;
   inline iterator begin() const { return LI->begin(); }
   inline iterator end() const { return LI->end(); }
+  bool empty() const { return LI->empty(); }
 
   /// getLoopFor - Return the inner most loop that BB lives in.  If a basic
   /// block is in no loop (for example the entry node), null is returned.
diff --git a/include/llvm/CodeGen/MachineLoopInfo.h b/include/llvm/CodeGen/MachineLoopInfo.h
index 8b46825f25..fa2d2290e3 100644
--- a/include/llvm/CodeGen/MachineLoopInfo.h
+++ b/include/llvm/CodeGen/MachineLoopInfo.h
@@ -92,6 +92,7 @@ public:
   typedef std::vector<MachineLoop*>::const_iterator iterator;
   inline iterator begin() const { return LI->begin(); }
   inline iterator end() const { return LI->end(); }
+  bool empty() const { return LI->empty(); }
 
   /// getLoopFor - Return the inner most loop that BB lives in.  If a basic
   /// block is in no loop (for example the entry node), null is returned.