Method getDefinition

lib/rootdefanalysis/RDNode.cpp:153–172

const std::set<RDArgIndex> &RDNode::getFirstUses() const { return FirstUses; }

std::pair<Value *, int> RDNode::getDefinition() const {

  assert(Target && Location && "Unexpected Program State");

  if (isa<CallBase>(Location) && Idx >= 0) {
    return std::make_pair(Location, Idx);
  }

  assert(Target && "Unexpected Program State");
  auto &IR = Target->getIR();

  if (isa<Constant>(&IR)) {
    if (auto *GV = dyn_cast_or_null<GlobalVariable>(&IR)) {
      if (!GV->hasAtLeastLocalUnnamedAddr())
        return std::make_pair(&IR, -1);
    }
    return std::make_pair(Location, -1);
  }
  return std::make_pair(&IR, -1);
}

bool RDNode::isVisit(const RDTarget &T, const Instruction &I) const {
  const auto *F = I.getFunction();