C++ (Cpp) CallGraph::getRoot Examples

Example #1

File: Print.cpp Project: HaoMengHIT/llvm-pred

bool PrintCgTree::runOnModule(Module &M)
{
#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 4
   CallGraph CG;
   CG.runOnModule(M);
   CallGraphNode* root = CG.getRoot();
#else
   CallGraph CG(M);
   Function* Main = M.getFunction("main");
   CallGraphNode* root = Main?CG[Main]:CG.getExternalCallingNode();
   
#endif
   Assert(root->getFunction()==Main, "");
   errs()<<root->getFunction()->getName()<<"\n";
   print_cg(root);
   return false;
}

Example #2

File: CallGraphCFG.cpp Project: Root-nix/symbolic-execution

bool CallGraphCFG::runOnModule(Module &M) {
    CallGraph *CG = &getAnalysis<CallGraph>();
    CallGraphNode *root = CG->getRoot();
    if (root == NULL) return true;

    getDefectList(defectFile, &dl);
    if (dl.size()==0) return true;

    for (defectList::iterator dit=dl.begin(); dit != dl.end(); ++dit) {
        std::string file = dit->first;
        std::vector<int> lines = dit->second;
        for (std::vector<int>::iterator lit=lines.begin(); lit != lines.end(); ++lit) {
            std::cerr << "Mapping defect to BBs " << file << ":" << *lit << "\n";
            std::vector<BasicBlock*> tpath;
            findBBPath(root, tpath, file, *lit);
            if (tpath.size() == 0)
                std::cerr << "! unreachable " << file << ":" << *lit << "\n";
            else
                bbpaths->push_back(tpath);
        }
    }
    return false;
}