The flag "--dot-cfg-only" is at the moment equivalent to the flag "--dot-cfg".

It prints the content of all bbs, instead of printing empty bbs to make the
CFG more readable.  Fix this.  Patch by Tobias Grosser.

llvm-svn: 82315

lib/Analysis/CFGPrinter.cpp

@@ -110,7 +110,7 @@ namespace {
     CFGOnlyViewer() : FunctionPass(&ID) {}
 
     virtual bool runOnFunction(Function &F) {
-      F.viewCFG();
+      F.viewCFGOnly();
       return false;
     }