Add simple spiller.

llvm-svn: 12188
diff --git a/llvm/docs/CommandGuide/llc.html b/llvm/docs/CommandGuide/llc.html
index 87af128..08cae51 100644
--- a/llvm/docs/CommandGuide/llc.html
+++ b/llvm/docs/CommandGuide/llc.html
@@ -164,6 +164,9 @@
         Valid spillers are:
         <p>
 	<dl compact>
+		<dt> simple </dt>
+		<dd>Simple spiller</dd>
+
 		<dt> local </dt>
 		<dd>Local spiller</dd>
 	</dl>