simplify AnalysisGroup registration, eliminating one typeid call.

llvm-svn: 29932
diff --git a/llvm/lib/Analysis/ValueNumbering.cpp b/llvm/lib/Analysis/ValueNumbering.cpp
index fb3bed0..0224a01 100644
--- a/llvm/lib/Analysis/ValueNumbering.cpp
+++ b/llvm/lib/Analysis/ValueNumbering.cpp
@@ -64,7 +64,7 @@
   X("basicvn", "Basic Value Numbering (default GVN impl)");
 
   // Declare that we implement the ValueNumbering interface
-  RegisterAnalysisGroup<ValueNumbering, BasicVN, true> Y;
+  RegisterAnalysisGroup<ValueNumbering, true> Y(X);
 
   /// BVNImpl - Implement BasicVN in terms of a visitor class that
   /// handles the different types of instructions as appropriate.