[dom] Make the DominatorTreeBase not a dynamic class!

Now that the passes are wrappers around this, we no longer need
a vtable, virtual destructor, and other associated mess. This is
particularly nice to me as this is a class template. =]

llvm-svn: 225970

diff --git a/llvm/include/llvm/Support/GenericDomTree.h b/llvm/include/llvm/Support/GenericDomTree.h
index fa56f9a..fde5613 100644 (file)
--- a/llvm/include/llvm/Support/GenericDomTree.h
+++ b/llvm/include/llvm/Support/GenericDomTree.h
@@ -314,7 +314,7 @@ protected:
 public:
   explicit DominatorTreeBase(bool isPostDom)
       : DominatorBase<NodeT>(isPostDom), DFSInfoValid(false), SlowQueries(0) {}
-  virtual ~DominatorTreeBase() { reset(); }
+  ~DominatorTreeBase() { reset(); }
 
   DominatorTreeBase(DominatorTreeBase &&Arg)
       : DominatorBase<NodeT>(
@@ -368,7 +368,7 @@ public:
     return false;
   }
 
-  virtual void releaseMemory() { reset(); }
+  void releaseMemory() { reset(); }
 
   /// getNode - return the (Post)DominatorTree node for the specified basic
   /// block.  This is the same as using operator[] on this class.