diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 060286f..33bf0b0 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -478,7 +478,7 @@
     for (iterator I = begin(), E = end(); I != E; ++I)
       (*I)->print(OS, Depth+2);
   }
-  
+
 protected:
   friend class LoopInfoBase<BlockT, LoopT>;
   explicit LoopBase(BlockT *BB) : ParentLoop(0) {
@@ -588,6 +588,8 @@
   /// block, return that block. Otherwise return null.
   BasicBlock *getUniqueExitBlock() const;
 
+  void dump() const;
+  
 private:
   friend class LoopInfoBase<BasicBlock, Loop>;
   explicit Loop(BasicBlock *BB) : LoopBase<BasicBlock, Loop>(BB) {}
diff --git a/include/llvm/CodeGen/MachineLoopInfo.h b/include/llvm/CodeGen/MachineLoopInfo.h
index d3df805..8459a8d 100644
--- a/include/llvm/CodeGen/MachineLoopInfo.h
+++ b/include/llvm/CodeGen/MachineLoopInfo.h
@@ -49,6 +49,8 @@
   /// contiguous with the part the contains the header.
   MachineBasicBlock *getBottomBlock();
 
+  void dump() const;
+
 private:
   friend class LoopInfoBase<MachineBasicBlock, MachineLoop>;
   explicit MachineLoop(MachineBasicBlock *MBB)
diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp
index 5d31c11..453af5a 100644
--- a/lib/Analysis/LoopInfo.cpp
+++ b/lib/Analysis/LoopInfo.cpp
@@ -21,6 +21,7 @@
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include <algorithm>
@@ -385,6 +386,10 @@
   return 0;
 }
 
+void Loop::dump() const {
+  print(dbgs());
+}
+
 //===----------------------------------------------------------------------===//
 // LoopInfo implementation
 //
diff --git a/lib/CodeGen/MachineLoopInfo.cpp b/lib/CodeGen/MachineLoopInfo.cpp
index d561a5b..269538b 100644
--- a/lib/CodeGen/MachineLoopInfo.cpp
+++ b/lib/CodeGen/MachineLoopInfo.cpp
@@ -17,6 +17,7 @@
 #include "llvm/CodeGen/MachineLoopInfo.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/Passes.h"
+#include "llvm/Support/Debug.h"
 using namespace llvm;
 
 namespace llvm {
@@ -73,3 +74,7 @@
   }
   return BotMBB;
 }
+
+void MachineLoop::dump() const {
+  print(dbgs());
+}