Function Split

layers/sync/sync_access_map.cpp:152–169

}

AccessMap::iterator Split(AccessMap::iterator in, AccessMap& map, const AccessRange& range) {
    assert(in != map.end());  // Not designed for use with invalid iterators...
    const AccessRange in_range = in->first;
    const AccessRange split_range = in_range & range;

    if (split_range.empty()) {
        return map.end();
    }
    auto pos = in;
    if (split_range.begin != in_range.begin) {
        pos = map.Split(pos, split_range.begin);
        ++pos;
    }
    if (split_range.end != in_range.end) {
        pos = map.Split(pos, split_range.end);
    }
    return pos;
}

void Consolidate(AccessMap& map) {
    using It = AccessMap::iterator;