Print out what the root of the call graph is.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2223 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index df8d0169cf13bf79dcea9aab3c4d87f69ad0505e..c84719fd6af18291fd92cc38cdb183953788e652 100644 (file)
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -150,6 +150,8 @@ void WriteToOutput(const CallGraphNode *CGN, std::ostream &o) {
 }
 
 void WriteToOutput(const CallGraph &CG, std::ostream &o) {
+  o << "CallGraph Root is:\n" << CG.getRoot();
+
   for (CallGraph::const_iterator I = CG.begin(), E = CG.end(); I != E; ++I)
     o << I->second;
 }