clarify that byval is valid for any pointer argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45998 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.html b/docs/LangRef.html
index fa50193..49bcc97 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -810,11 +810,12 @@
target-specific</dd>
<dt><tt>byval</tt></dt>
- <dd>This indicates that the pointer parameter is really an aggregate that
- was passed by value to the function. The attribute implies that a hidden
- copy of the struct is made between the caller and the callee, so the
- callee is unable to modify the struct in the callee. This attribute is only
- valid on llvm pointer arguments.</dd>
+ <dd>This indicates that the pointer parameter should really be passed by
+ value to the function. The attribute implies that a hidden copy of the
+ pointee is made between the caller and the callee, so the callee is unable
+ to modify the value in the callee. This attribute is only valid on llvm
+ pointer arguments. It is generally used to pass structs and arrays by
+ value, but is also valid on scalars (even though this is silly).</dd>
<dt><tt>sret</tt></dt>
<dd>This indicates that the parameter specifies the address of a structure