add trivial support for passing label definitions through the MCStreamer.

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

diff --git a/lib/CodeGen/Spiller.h b/lib/CodeGen/Spiller.h
index cad054d744c4a7cf6fe2dcba1cada7bad1e9a8f1..9c3900df0b57b2f555548403f2b75c4644beae22 100644 (file)
--- a/lib/CodeGen/Spiller.h
+++ b/lib/CodeGen/Spiller.h
@@ -13,11 +13,14 @@
 #include <vector>
 
 namespace llvm {
+
   class LiveInterval;
   class LiveIntervals;
   class LiveStacks;
   class MachineFunction;
+  class MachineInstr;
   class VirtRegMap;
+  class VNInfo;
 
   /// Spiller interface.
   ///
@@ -26,7 +29,15 @@ namespace llvm {
   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.