- /// Spill the given live range. The method used will depend on the Spiller
- /// implementation selected.
- virtual std::vector<LiveInterval*> spill(LiveInterval *li) = 0;
+ /// spill - Spill the given live interval. The method used will depend on
+ /// the Spiller implementation selected.
+ ///
+ /// @param li The live interval to be spilled.
+ /// @param spillIs A list of intervals that are about to be spilled,
+ /// and so cannot be used for remat etc.
+ /// @param newIntervals The newly created intervals will be appended here.
+ virtual void spill(LiveInterval *li,
+ SmallVectorImpl<LiveInterval*> &newIntervals,
+ const SmallVectorImpl<LiveInterval*> &spillIs) = 0;