+ // Try to do the least amount of work possible. In particular, if there are
+ // more liverange chunks in the other set than there are in the 'this' set,
+ // swap sets to merge the fewest chunks in possible.
+ if (Other.ranges.size() > ranges.size()) {
+ std::swap(MergedSrcValIdx, MergedDstValIdx);
+ std::swap(ranges, Other.ranges);
+ std::swap(NumValues, Other.NumValues);
+ }
+