Method IsSafeToClone

source/opt/loop_descriptor.cpp:403–425

}  // namespace

bool Loop::IsSafeToClone() const {
  CFG& cfg = *context_->cfg();

  for (uint32_t bb_id : GetBlocks()) {
    BasicBlock* bb = cfg.block(bb_id);
    assert(bb);
    if (!IsBasicBlockSafeToClone(context_, bb)) return false;
  }

  // Look at the merge construct.
  if (GetHeaderBlock()->GetLoopMergeInst()) {
    std::unordered_set<uint32_t> blocks;
    GetMergingBlocks(&blocks);
    blocks.erase(GetMergeBlock()->id());
    for (uint32_t bb_id : blocks) {
      BasicBlock* bb = cfg.block(bb_id);
      assert(bb);
      if (!IsBasicBlockSafeToClone(context_, bb)) return false;
    }
  }

  return true;
}

bool Loop::IsLCSSA() const {
  CFG* cfg = context_->cfg();