The 'optnone' attribute means don't inline anything into this function
(except functions marked always_inline).
Functions with 'optnone' must also have 'noinline' so they don't get
inlined into any other function.

Based on work by Andrea Di Biagio.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195046 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index f7914f8..18d2c9c 100644
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -941,9 +941,10 @@
     attribute; this attribute is also incompatible
     with the ``minsize`` attribute and the ``optsize`` attribute.
 
-    The inliner should never inline this function in any situation.
+    This attribute requires the ``noinline`` attribute to be specified on
+    the function as well, so the function is never inlined into any caller.
     Only functions with the ``alwaysinline`` attribute are valid
-    candidates for inlining inside the body of this function.
+    candidates for inlining into the body of this function.
 ``optsize``
     This attribute suggests that optimization passes and code generator
     passes make choices that keep the code size of this function low,