#include <vector>
namespace llvm {
+
class LiveInterval;
class LiveIntervals;
class LiveStacks;
class MachineFunction;
+ class MachineInstr;
class VirtRegMap;
+ class VNInfo;
/// Spiller interface.
///
class Spiller {
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) = 0;
+
+ /// Intra-block split.
+ virtual std::vector<LiveInterval*> intraBlockSplit(LiveInterval *li,
+ VNInfo *valno) = 0;
+
};
/// Create and return a spiller object, as specified on the command line.