eliminate RegisterOpt.  It does the same thing as RegisterPass.

llvm-svn: 29925
diff --git a/llvm/lib/Analysis/ValueNumbering.cpp b/llvm/lib/Analysis/ValueNumbering.cpp
index c534bba..fb3bed0 100644
--- a/llvm/lib/Analysis/ValueNumbering.cpp
+++ b/llvm/lib/Analysis/ValueNumbering.cpp
@@ -60,7 +60,7 @@
   };
 
   // Register this pass...
-  RegisterOpt<BasicVN>
+  RegisterPass<BasicVN>
   X("basicvn", "Basic Value Numbering (default GVN impl)");
 
   // Declare that we implement the ValueNumbering interface