eliminate RegisterOpt.  It does the same thing as RegisterPass.

llvm-svn: 29925
diff --git a/llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp b/llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp
index d8415d7..79cdf28 100644
--- a/llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -366,8 +366,8 @@
 };
 
 // Register the pass
-RegisterOpt<SimplifyLibCalls>
-X("simplify-libcalls","Simplify well-known library calls");
+RegisterPass<SimplifyLibCalls>
+X("simplify-libcalls", "Simplify well-known library calls");
 
 } // anonymous namespace