- static std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
- if (Node->getFunction())
- return ((Value*)Node->getFunction())->getName();
- else
- return "external node";
- }
- };
-}
-
-
-namespace {
- struct CallGraphPrinter : public ModulePass {
- static char ID; // Pass ID, replacement for typeid
- CallGraphPrinter() : ModulePass(ID) {}
-
- virtual bool runOnModule(Module &M) {
- WriteGraphToFile(llvm::errs(), "callgraph", &getAnalysis<CallGraph>());
- return false;
- }
-
- void print(raw_ostream &OS, const llvm::Module*) const {}
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<CallGraph>();
- AU.setPreservesAll();
- }
- };
-}
-
-char CallGraphPrinter::ID = 0;
-static RegisterPass<CallGraphPrinter> P2("dot-callgraph",
- "Print Call Graph to 'dot' file");