diff options
Diffstat (limited to 'lib/CodeGen/Spiller.h')
| -rw-r--r-- | lib/CodeGen/Spiller.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/CodeGen/Spiller.h b/lib/CodeGen/Spiller.h index dda52e8..450447b 100644 --- a/lib/CodeGen/Spiller.h +++ b/lib/CodeGen/Spiller.h @@ -33,11 +33,19 @@ namespace llvm { public: virtual ~Spiller() = 0; - /// Spill the given live range. The method used will depend on the Spiller - /// implementation selected. - virtual std::vector<LiveInterval*> spill(LiveInterval *li, - SmallVectorImpl<LiveInterval*> &spillIs, - SlotIndex *earliestIndex = 0) = 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. + /// @param earliestIndex The earliest point for splitting. (OK, it's another + /// pointer to the allocator guts). + virtual void spill(LiveInterval *li, + std::vector<LiveInterval*> &newIntervals, + SmallVectorImpl<LiveInterval*> &spillIs, + SlotIndex *earliestIndex = 0) = 0; }; |
