Added code to support unusable Suggested Colors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@922 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.h b/lib/CodeGen/RegAlloc/PhyRegAlloc.h
index bd41c88..998fa11 100644
--- a/lib/CodeGen/RegAlloc/PhyRegAlloc.h
+++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.h
@@ -87,6 +87,8 @@
   void setCallInterferences(const MachineInstr *MInst, 
 			    const LiveVarSet *const LVSetAft );
 
+  void markUnusableSugColors();
+
   inline void constructLiveRanges() 
     { LRI.constructLiveRanges(); }