Method InsertBasicBlockBefore

source/opt/function.cpp:218–229

}

BasicBlock* Function::InsertBasicBlockBefore(
    std::unique_ptr<BasicBlock>&& new_block, BasicBlock* position) {
  for (auto bb_iter = begin(); bb_iter != end(); ++bb_iter) {
    if (&*bb_iter == position) {
      new_block->SetParent(this);
      bb_iter = bb_iter.InsertBefore(std::move(new_block));
      return &*bb_iter;
    }
  }
  assert(false && "Could not find insertion point.");
  return nullptr;
}

bool Function::HasEarlyReturn() const {
  auto post_dominator_analysis =