1 files changed, 17 insertions, 5 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 2294e53..060286f 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -93,12 +93,28 @@ public:
   BlockT *getHeader() const { return Blocks.front(); }
   LoopT *getParentLoop() const { return ParentLoop; }
 
-  /// contains - Return true if the specified basic block is in this loop
+  /// contains - Return true if the specified loop is contained within in
+  /// this loop.
+  ///
+  bool contains(const LoopT *L) const {
+    if (L == this) return true;
+    if (L == 0)    return false;
+    return contains(L->getParentLoop());
+  }
+    
+  /// contains - Return true if the specified basic block is in this loop.
   ///
   bool contains(const BlockT *BB) const {
     return std::find(block_begin(), block_end(), BB) != block_end();
   }
 
+  /// contains - Return true if the specified instruction is in this loop.
+  ///
+  template<class InstT>
+  bool contains(const InstT *Inst) const {
+    return contains(Inst->getParent());
+  }
+
   /// iterator/begin/end - Return the loops contained entirely within this loop.
   ///
   const std::vector<LoopT *> &getSubLoops() const { return SubLoops; }
@@ -463,10 +479,6 @@ public:
       (*I)->print(OS, Depth+2);
   }
   
-  void dump() const {
-    print(errs());
-  }
-  
 protected:
   friend class LoopInfoBase<BlockT, LoopT>;
   explicit LoopBase(BlockT *BB) : ParentLoop(0) {