Add the IR attribute 'sspstrong'.

[oota-llvm.git] / docs / LangRef.rst

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index 8fd8b3f02b122a3bbb7d71fe103aef7aeed192e1..1a854695501df463d5474562405e60f54bc9c80f 100644 (file)
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -837,8 +837,16 @@ example:
 
     If a function that has an ``sspreq`` attribute is inlined into a
     function that doesn't have an ``sspreq`` attribute or which has an
-    ``ssp`` attribute, then the resulting function will have an
-    ``sspreq`` attribute.
+    ``ssp`` or ``sspstrong`` attribute, then the resulting function will have
+    an ``sspreq`` attribute.
+``sspstrong``
+    This attribute indicates that the function should emit a stack smashing
+    protector. Currently this attribute has the same effect as
+    ``sspreq``. This overrides the ``ssp`` function attribute.
+
+    If a function that has an ``sspstrong`` attribute is inlined into a
+    function that doesn't have an ``sspstrong`` attribute, then the
+    resulting function will have an ``sspstrong`` attribute.
 ``uwtable``
     This attribute indicates that the ABI being targeted requires that
     an unwind table entry be produce for this function even if we can