// Add the current op to the set of ops which are planned to be merged into
    // one cluster.
    islands_set.insert(candidate_island);
    wrapped_ops.insert(&candidate_wrapped_op);
  }
}

IslandOp CreateMergedIsland(IslandOp island, SmallVector<IslandOp, 16>& islands,
                            SmallPtrSet<Operation*, 16>& wrapped_ops) {
  // Compute the result of the merged island, these are the values produced by