diff --git a/utils/TableGen/.cvsignore b/utils/TableGen/.cvsignore
new file mode 100644
index 00000000000..233e1abe5ba
--- /dev/null
+++ b/utils/TableGen/.cvsignore
@@ -0,0 +1,4 @@
+FileLexer.cpp
+FileParser.cpp
+FileParser.h
+FileParser.output