eliminate RegisterOpt. It does the same thing as RegisterPass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29925 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Instrumentation/TraceBasicBlocks.cpp

@@ -31,7 +31,7 @@ namespace {
     bool runOnModule(Module &M);
   };
 
-  RegisterOpt<TraceBasicBlocks> X("trace-basic-blocks",
+  RegisterPass<TraceBasicBlocks> X("trace-basic-blocks",
                               "Insert instrumentation for basic block tracing");
 }