Method traceCaller

lib/rootdefanalysis/RDAnalyzer.cpp:325–358

}

std::set<RDNode> RDAnalyzer::traceCaller(RDNode &Node, llvm::Function &F) {

  auto &Target = Node.getTarget().getIR();
  if (!isa<GlobalVariable>(&Target) && !isa<Argument>(&Target)) {
    return {Node};
  }

  std::set<RDNode> Result;
  for (auto *Caller : Space.nextInCaller(F)) {
    if (isa<GlobalVariable>(&Target)) {
      RDNode NewNode(Target, *Caller, &Node);
      for (auto &Found :
           traverseFunction(NewNode, *Caller->getFunction(), true, false))
        mergeRDNode(Result, Found);
      continue;
    }

    if (isa<Argument>(&Target)) {
      auto &Arg = *dyn_cast<Argument>(&Target);
      assert(Arg.getParent() == &F && "Unexpected Program State");

      RDNode NewNode(Arg.getArgNo(), *Caller, &Node);

      for (auto &Found :
           traverseFunction(NewNode, *Caller->getFunction(), true, false))
        mergeRDNode(Result, Found);
      continue;
    }

    assert(false && "Unexpected Program State");
  }

  return Result;
}

std::set<RDNode> RDAnalyzer::traceLink(RDNode &Node, Function &F) {
  auto &Target = Node.getTarget().getIR();