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-rw-r--r--contrib/llvm/lib/CodeGen/Spiller.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/contrib/llvm/lib/CodeGen/Spiller.h b/contrib/llvm/lib/CodeGen/Spiller.h
index dda52e8..450447b 100644
--- a/contrib/llvm/lib/CodeGen/Spiller.h
+++ b/contrib/llvm/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;
};
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