Method AddLoop

source/opt/loop_descriptor.h:509–511

Mark the loop |loop_to_add| as needing to be added when the user calls PostModificationCleanup. |parent| may be null.

  // Mark the loop |loop_to_add| as needing to be added when the user calls
  // PostModificationCleanup. |parent| may be null.
  inline void AddLoop(std::unique_ptr<Loop>&& loop_to_add, Loop* parent) {
    loops_to_add_.emplace_back(std::make_pair(parent, std::move(loop_to_add)));
  }

  // Creates pre-header blocks for all loops in the function that do not have
  // one. Returns `LoopDescriptor::Status::kSuccessWithChange` if any change is