r273283 - Add documentation for RenderScript changes

[Pirama Arumuga Nainar via cfe-commits]

Author: pirama
Date: Tue Jun 21 11:09:30 2016
New Revision: 273283

URL: http://llvm.org/viewvc/llvm-project?rev=273283&view=rev
Log:
Add documentation for RenderScript changes

Summary:
- Document the new 'kernel' attribute
- Mention RenderScript support in the Release Notes.

Reviewers: rsmith

Subscribers: tberghammer, danalbert, cfe-commits, srhines

Differential Revision: http://reviews.llvm.org/D21212

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

Modified: cfe/trunk/docs/ReleaseNotes.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ReleaseNotes.rst?rev=273283&r1=273282&r2=273283&view=diff
==============================================================================
--- cfe/trunk/docs/ReleaseNotes.rst (original)
+++ cfe/trunk/docs/ReleaseNotes.rst Tue Jun 21 11:09:30 2016
@@ -84,6 +84,11 @@ C Language Changes in Clang
 ---------------------------
 The -faltivec and -maltivec flags no longer silently include altivec.h on Power platforms.
 
+`RenderScript
+<https://developer.android.com/guide/topics/renderscript/compute.html>`_
+support added to the Frontend and enabled by the '-x renderscript' option or
+the '.rs' file extension.
+
 ...
 
 C11 Feature Support

Modified: cfe/trunk/include/clang/Basic/Attr.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Attr.td?rev=273283&r1=273282&r2=273283&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Attr.td (original)
+++ cfe/trunk/include/clang/Basic/Attr.td Tue Jun 21 11:09:30 2016
@@ -734,7 +734,7 @@ def OpenCLNoSVM : Attr {
 def RenderScriptKernel : Attr {
   let Spellings = [GNU<"kernel">];
   let Subjects = SubjectList<[Function]>;
-  let Documentation = [Undocumented];
+  let Documentation = [RenderScriptKernelAttributeDocs];
   let LangOpts = [RenderScript];
 }
 

Modified: cfe/trunk/include/clang/Basic/AttrDocs.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/AttrDocs.td?rev=273283&r1=273282&r2=273283&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/AttrDocs.td (original)
+++ cfe/trunk/include/clang/Basic/AttrDocs.td Tue Jun 21 11:09:30 2016
@@ -2433,3 +2433,18 @@ def LTOVisibilityDocs : Documentation {
 See :doc:`LTOVisibility`.
   }];
 }
+
+def RenderScriptKernelAttributeDocs : Documentation {
+  let Category = DocCatFunction;
+  let Content = [{
+``__attribute__((kernel))`` is used to mark a ``kernel`` function in
+RenderScript.
+
+In RenderScript, ``kernel`` functions are used to express data-parallel
+computations.  The RenderScript runtime efficiently parallelizes ``kernel``
+functions to run on computational resources such as multi-core CPUs and GPUs.
+See the RenderScript_ documentation for more information.
+
+.. _RenderScript: https://developer.android.com/guide/topics/renderscript/compute.html
+  }];
+}