[OpenCL] The kernel attribute can only be used on functions.

llvm-svn: 198300

2 files changed, 6 insertions, 0 deletions

diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index c63a1d07b2d..cd1cbb22183 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -432,6 +432,7 @@ def CXX11NoReturn : InheritableAttr {
 
 def OpenCLKernel : InheritableAttr {
   let Spellings = [Keyword<"__kernel">, Keyword<"kernel">];
+  let Subjects = SubjectList<[Function], ErrorDiag>;
 }
 
 def OpenCLImageAccess : Attr {
diff --git a/clang/test/SemaOpenCL/invalid-kernel-attrs.cl b/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
index 0da7ddf34dd..81ce1227cbb 100644
--- a/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
+++ b/clang/test/SemaOpenCL/invalid-kernel-attrs.cl
@@ -25,3 +25,8 @@ constant  int foo1 __attribute__((reqd_work_group_size(8,16,32))); // expected-e
 constant int foo2 __attribute__((work_group_size_hint(8,16,32))); // expected-error {{'work_group_size_hint' attribute only applies to functions}}
 
 constant int foo3 __attribute__((vec_type_hint(char))); // expected-error {{'vec_type_hint' attribute only applies to functions}}
+
+void f_kernel_image2d_t( kernel image2d_t image ) { // expected-error {{'kernel' attribute only applies to functions}}
+  int __kernel x; // expected-error {{'__kernel' attribute only applies to functions}}
+
+}