X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveDebugVariables.h;h=58a3f0f6ff52fae3e4c3d52ff42a5da39c1df635;hb=1039e106d095979b3707bb27cfa765cd2c0f3b54;hp=2e4b05267ddabdad48c5ca263998231429f1b2ba;hpb=0613516b16466a92c68d60734801221506c85e86;p=oota-llvm.git

diff --git a/lib/CodeGen/LiveDebugVariables.h b/lib/CodeGen/LiveDebugVariables.h
index 2e4b05267dd..58a3f0f6ff5 100644
--- a/lib/CodeGen/LiveDebugVariables.h
+++ b/lib/CodeGen/LiveDebugVariables.h
@@ -21,10 +21,15 @@
 #ifndef LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
 #define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H
 
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {
 
+class LiveInterval;
+class LiveIntervals;
+class VirtRegMap;
+
 class LiveDebugVariables : public MachineFunctionPass {
   void *pImpl;
 public:
@@ -40,9 +45,19 @@ public:
   ///               register.
   void renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx);
 
+  /// splitRegister - Move any user variables in OldReg to the live ranges in
+  /// NewRegs where they are live. Mark the values as unavailable where no new
+  /// register is live.
+  void splitRegister(unsigned OldReg, ArrayRef<unsigned> NewRegs,
+                     LiveIntervals &LIS);
+
   /// emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes
   /// that happened during register allocation.
-  void emitDebugValues();
+  /// @param VRM Rename virtual registers according to map.
+  void emitDebugValues(VirtRegMap *VRM);
+
+  /// dump - Print data structures to dbgs().
+  void dump();
 
 private: