--reg alloc code added


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@587 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/RegClass.h b/lib/CodeGen/RegAlloc/RegClass.h
index a8fc0ae..723443d 100644
--- a/lib/CodeGen/RegAlloc/RegClass.h
+++ b/lib/CodeGen/RegAlloc/RegClass.h
@@ -22,6 +22,7 @@
 #include "llvm/CodeGen/IGNode.h"
 #include "llvm/CodeGen/InterferenceGraph.h"
 #include "llvm/Target/Machine.h"
+#include "llvm/Target/RegInfo.h"
 #include <stack>
 
 typedef vector<unsigned int> ReservedColorListType;