Add comment in the tests

Signed-off-by: Soumi Manna <[email protected]>

Author: smanna12

clang/test/SemaSYCL/intel-max-global-work-dim-device.cpp

@@ -1,6 +1,8 @@
 // RUN: %clang_cc1 %s -fsyntax-only -fsycl-is-device -internal-isystem %S/Inputs -sycl-std=2020 -Wno-sycl-2017-compat -triple spir64 -DTRIGGER_ERROR -verify
 // RUN: %clang_cc1 %s -fsyntax-only -ast-dump -fsycl-is-device -internal-isystem %S/Inputs -sycl-std=2017 -Wno-sycl-2017-compat -triple spir64 | FileCheck %s
 
+// The test checks support and functionality of [[intel::max_global_work_dim()]] attribute.
+
 #include "sycl.hpp"
 
 using namespace cl::sycl;

clang/test/SemaSYCL/intel-max-work-group-size-device.cpp

@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 %s -fsyntax-only -fsycl-is-device -internal-isystem %S/Inputs -sycl-std=2020 -triple spir64 -DTRIGGER_ERROR -verify
 // RUN: %clang_cc1 %s -fsyntax-only -ast-dump -fsycl-is-device -internal-isystem %S/Inputs -sycl-std=2017 -triple spir64 | FileCheck %s
 
+// The test checks support and functionality of [[intel:::max_work_group_size()]] attribute.
 #include "sycl.hpp"
 
 using namespace cl::sycl;

clang/test/SemaSYCL/redeclaration-attribute-propagation.cpp

@@ -2,6 +2,7 @@
 // RUN: %clang_cc1 %s -fsyntax-only -fsycl-is-device -internal-isystem %S/Inputs -triple spir64 -sycl-std=2017 -DTRIGGER_ERROR -Wno-sycl-2017-compat -verify
 // RUN: %clang_cc1 %s -fsyntax-only -ast-dump -fsycl-is-device -internal-isystem %S/Inputs -sycl-std=2017 -triple spir64 -Wno-sycl-2017-compat | FileCheck %s
 
+// The test checks redeclaration of [[intel:::max_work_group_size()]] and [[sycl::reqd_work_group_size()]] attributes.
 #include "sycl.hpp"
 
 using namespace cl::sycl;