Method getPrevsMemoryBase

lib/rootdefanalysis/RDAnalyzer.cpp:201–219

}

std::set<RDNode> RDAnalyzer::getPrevsMemoryBase(RDNode &Node) {
  auto &Target = Node.getTarget().getIR();
  std::set<RDNode> Result;
  for (auto *I : Space.next(Node.getLocation())) {
    if (isa<AllocaInst>(&Target)) {
      // Memory SSA does not care alloca instruction.
      // Thus get prevs should stopped if found memory related instruction
      // does not dominates alloca instruction.
      auto &AI = *dyn_cast<AllocaInst>(&Target);
      if (!Space.dominates(AI, *I))
        continue;
    }

    RDNode NewNode(Node);
    NewNode.setLocation(*I);
    Result.insert(NewNode);
  }
  return Result;
}

std::set<RDNode> RDAnalyzer::getPrevsRegBase(RDNode &Node) {
  auto &Target = Node.getTarget().getIR();