Oops - isRegLiveIntoSuccessor is used in non-assert builds now. Remove NDEBUG guards.

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

diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h
index 9b0a671ea9e5a5405877aabdd08edb12931988f7..29361ac76ab3517979833388bb7886aaa881575b 100644 (file)
--- a/lib/CodeGen/LiveRangeEdit.h
+++ b/lib/CodeGen/LiveRangeEdit.h
@@ -33,7 +33,9 @@ class VirtRegMap;
 class LiveRangeEdit {
 public:
   /// Callback methods for LiveRangeEdit owners.
-  struct Delegate {
+  class Delegate {
+    virtual void anchor();
+  public:
     /// Called immediately before erasing a dead machine instruction.
     virtual void LRE_WillEraseInstruction(MachineInstr *MI) {}
 
@@ -191,9 +193,14 @@ public:
   /// eliminateDeadDefs - Try to delete machine instructions that are now dead
   /// (allDefsAreDead returns true). This may cause live intervals to be trimmed
   /// and further dead efs to be eliminated.
+  /// RegsBeingSpilled lists registers currently being spilled by the register
+  /// allocator.  These registers should not be split into new intervals
+  /// as currently those new intervals are not guaranteed to spill.
   void eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead,
                          LiveIntervals&, VirtRegMap&,
-                         const TargetInstrInfo&);
+                         const TargetInstrInfo&,
+                         ArrayRef<unsigned> RegsBeingSpilled 
+                          = ArrayRef<unsigned>());
 
   /// calculateRegClassAndHint - Recompute register class and hint for each new
   /// register.