X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FRegAllocBase.h;h=659b8f505a229fd277a69726cd519a64e7f9852b;hb=6de0a12927845ca49cd5cb1da9206fe503b565ec;hp=9c0029837d02d814b2d2c59264cce61c7be7062e;hpb=55c06ae7afa3f862a6bb4a4441fe485c135f5b5e;p=oota-llvm.git

diff --git a/lib/CodeGen/RegAllocBase.h b/lib/CodeGen/RegAllocBase.h
index 9c0029837d0..659b8f505a2 100644
--- a/lib/CodeGen/RegAllocBase.h
+++ b/lib/CodeGen/RegAllocBase.h
@@ -34,10 +34,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CODEGEN_REGALLOCBASE
-#define LLVM_CODEGEN_REGALLOCBASE
+#ifndef LLVM_LIB_CODEGEN_REGALLOCBASE_H
+#define LLVM_LIB_CODEGEN_REGALLOCBASE_H
 
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/CodeGen/LiveInterval.h"
 #include "llvm/CodeGen/RegisterClassInfo.h"
 
@@ -57,6 +56,7 @@ class Spiller;
 /// live range splitting. They must also override enqueue/dequeue to provide an
 /// assignment order.
 class RegAllocBase {
+  virtual void anchor();
 protected:
   const TargetRegisterInfo *TRI;
   MachineRegisterInfo *MRI;
@@ -65,7 +65,8 @@ protected:
   LiveRegMatrix *Matrix;
   RegisterClassInfo RegClassInfo;
 
-  RegAllocBase(): TRI(0), MRI(0), VRM(0), LIS(0), Matrix(0) {}
+  RegAllocBase()
+    : TRI(nullptr), MRI(nullptr), VRM(nullptr), LIS(nullptr), Matrix(nullptr) {}
 
   virtual ~RegAllocBase() {}
 
@@ -95,6 +96,9 @@ protected:
   // Use this group name for NamedRegionTimer.
   static const char TimerGroupName[];
 
+  /// Method called when the allocator is about to remove a LiveInterval.
+  virtual void aboutToRemoveInterval(LiveInterval &LI) {}
+
 public:
   /// VerifyEnabled - True when -verify-regalloc is given.
   static bool VerifyEnabled;
@@ -105,4 +109,4 @@ private:
 
 } // end namespace llvm
 
-#endif // !defined(LLVM_CODEGEN_REGALLOCBASE)
+#endif