[RegAlloc] Kill off the trivial spiller - nobody is using it any more.

[oota-llvm.git] / lib / CodeGen / Spiller.h

diff --git a/lib/CodeGen/Spiller.h b/lib/CodeGen/Spiller.h
index 3d5172a9d06c3f97e7eb51bfc497e70b9389256b..08f99ec78adc70fa561f1a2332fc9a50322105f4 100644 (file)
--- a/lib/CodeGen/Spiller.h
+++ b/lib/CodeGen/Spiller.h
@@ -7,18 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#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.
@@ -26,29 +22,21 @@ namespace llvm {
   /// 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