r205160 - Add documentation for the pcs attribute, based on r129534's commit message.

[Nico Weber]

Author: nico
Date: Sun Mar 30 14:45:58 2014
New Revision: 205160

URL: http://llvm.org/viewvc/llvm-project?rev=205160&view=rev
Log:
Add documentation for the pcs attribute, based on r129534's commit message.

Modified:
    cfe/trunk/include/clang/Basic/Attr.td
    cfe/trunk/include/clang/Basic/AttrDocs.td

Modified: cfe/trunk/include/clang/Basic/Attr.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Attr.td?rev=205160&r1=205159&r2=205160&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Attr.td (original)
+++ cfe/trunk/include/clang/Basic/Attr.td Sun Mar 30 14:45:58 2014
@@ -1030,7 +1030,7 @@ def Pcs : InheritableAttr {
                            ["aapcs", "aapcs-vfp"],
                            ["AAPCS", "AAPCS_VFP"]>];
 //  let Subjects = [Function, ObjCMethod];
-  let Documentation = [Undocumented];
+  let Documentation = [PcsDocs];
 }
 
 def Pure : InheritableAttr {

Modified: cfe/trunk/include/clang/Basic/AttrDocs.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/AttrDocs.td?rev=205160&r1=205159&r2=205160&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/AttrDocs.td (original)
+++ cfe/trunk/include/clang/Basic/AttrDocs.td Sun Mar 30 14:45:58 2014
@@ -577,6 +577,15 @@ The semantics are as follows:
   }];
 }
 
+def PcsDocs : Documentation {
+  let Category = DocCatFunction;
+  let Content = [{
+On ARM targets, this can attribute can be used to select calling conventions,
+similar to ``stdcall`` on x86. Valid parameter values are "aapcs" and
+"aapcs-vfp".
+  }];
+}
+
 def DocCatConsumed : DocumentationCategory<"Consumed Annotation Checking"> {
   let Content = [{
 Clang supports additional attributes for checking basic resource management