//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_CODEGEN_SPILLER_H
-#define LLVM_CODEGEN_SPILLER_H
-
-#include "llvm/ADT/SmallVector.h"
-#include <vector>
+#ifndef LLVM_LIB_CODEGEN_SPILLER_H
+#define LLVM_LIB_CODEGEN_SPILLER_H
namespace llvm {
- class LiveInterval;
+ class LiveRangeEdit;
class MachineFunction;
class MachineFunctionPass;
- class SlotIndex;
class VirtRegMap;
/// Spiller interface.
/// Implementations are utility classes which insert spill or remat code on
/// demand.
class Spiller {
+ virtual void anchor();
public:
virtual ~Spiller() = 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;
+ /// spill - Spill the LRE.getParent() live interval.
+ virtual void spill(LiveRangeEdit &LRE) = 0;
};
- /// Create and return a spiller object, as specified on the command line.
- Spiller* createSpiller(MachineFunctionPass &pass,
- MachineFunction &mf,
- VirtRegMap &vrm);
+ /// Create and return a spiller that will insert spill code directly instead
+ /// of deferring though VirtRegMap.
+ Spiller *createInlineSpiller(MachineFunctionPass &pass,
+ MachineFunction &mf,
+ VirtRegMap &vrm);
+
}
#endif