Add support for naked functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76198 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.html b/docs/LangRef.html
index 15f95e2..4885a84 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -1109,6 +1109,9 @@
 <dt><tt>noimplicitfloat</tt></dt>
 <dd>This attributes disables implicit floating point instructions.</dd>
 
+<dt><tt>naked</tt></dt>
+<dd>This attribute disables prologue / epilogue emission for the function</dd>
+
 </dl>
 
 </div>