insert annotation in annotated_ptr::get()

Author: wangdi4

sycl/include/sycl/ext/oneapi/experimental/annotated_ptr/annotated_ptr.hpp

@@ -408,7 +408,15 @@ __SYCL_TYPE(annotated_ptr) annotated_ptr<T, detail::properties_t<Props...>> {
 
   operator T *() const noexcept = delete;
 
-  T *get() const noexcept { return m_Ptr; }
+  inline T *get() const noexcept {
+#ifdef __SYCL_DEVICE_ONLY__
+    return __builtin_intel_sycl_ptr_annotation(
+          m_Ptr, detail::PropertyMetaInfo<Props>::name...,
+          detail::PropertyMetaInfo<Props>::value...);
+#else
+    return m_Ptr;
+#endif
+  }
 
   annotated_ptr &operator++() noexcept {
     m_Ptr += 1;