Added LLVM copyright notice to Makefiles.

llvm-svn: 9312
diff --git a/llvm/lib/CodeGen/SelectionDAG/Makefile b/llvm/lib/CodeGen/SelectionDAG/Makefile
index 7ee0355..d3fc5a9 100644
--- a/llvm/lib/CodeGen/SelectionDAG/Makefile
+++ b/llvm/lib/CodeGen/SelectionDAG/Makefile
@@ -1,3 +1,11 @@
+##===- lib/CodeGen/SelectionDAG/Makefile -------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file was developed by the LLVM research group and is distributed under
+# the University of Illinois Open Source License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
 LEVEL = ../../..
 PARALLEL_DIRS =
 LIBRARYNAME = selectiondag