Method getRootDefinitions

lib/rootdefanalysis/RDAnalyzer.cpp:20–45

}

std::set<RDNode> RDAnalyzer::getRootDefinitions(const llvm::Use &U) {
  auto *User = llvm::dyn_cast_or_null<llvm::Instruction>(U.getUser());
  if (!User)
    return {};

  Start = time(NULL);

  auto FoundDefs = findRootDefinitions(*const_cast<Use *>(&U));
  std::vector<RDNode> RootDefs(FoundDefs.begin(), FoundDefs.end());
  RootDefs.erase(std::remove_if(RootDefs.begin(), RootDefs.end(),
                                [](const auto &Node) {
                                  if (Node.isTimeout())
                                    return true;

                                  if (!Node.isRootDefinition()) {
                                    if (isa<RDMemory>(&Node.getTarget()))
                                      return false;

                                    return true;
                                  }

                                  return false;
                                }),
                 RootDefs.end());
  return std::set<RDNode>(RootDefs.begin(), RootDefs.end());
}

std::set<RDNode> RDAnalyzer::findRootDefinitions(Use &U) {
  unsigned OpIdx = U.getOperandNo();