Use std::string instead of strdup() and free() in WinCodeViewLineTables

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

diff --git a/lib/CodeGen/RegAllocBase.h b/lib/CodeGen/RegAllocBase.h
index 597b1fcb58693b3ce7c01b8d7aa2d2fc14c951a7..659b8f505a229fd277a69726cd519a64e7f9852b 100644 (file)
--- 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"
 
@@ -56,7 +55,8 @@ class Spiller;
 /// Register allocators must override the selectOrSplit() method to implement
 /// live range splitting. They must also override enqueue/dequeue to provide an
 /// assignment order.
-class LLVM_LIBRARY_VISIBILITY RegAllocBase {
+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