Added support for caller saving

llvm-svn: 847
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
index 0cf5ec9..243b3fa 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
@@ -81,6 +81,9 @@
   void addInterferencesForArgs();
   void createIGNodeListsAndIGs();
   void buildInterferenceGraphs();
+  void insertCallerSavingCode(const MachineInstr *MInst, 
+			      const BasicBlock *BB );
+
 
   inline void constructLiveRanges() 
     { LRI.constructLiveRanges(); }