================
@@ -476,6 +476,33 @@ The SYCL kernel in the previous code sample meets these 
expectations.
   }];
 }
 
+def SYCLExternalDocs : Documentation {
+  let Category = DocCatFunction;
+  let Heading = "sycl_external";
+  let Content = [{
+The ``sycl_external`` attribute (or the ``SYCL_EXTERNAL`` macro) can only be 
applied to
+functions, and indicates that the function must be treated as a device 
function and
+must be emitted even if it has no direct uses from other device functions.
+All ``sycl_external`` function callees implicitly inherit this attribute.
----------------
Fznamznon wrote:

I don't think they do.
```suggestion
```

https://github.com/llvm/llvm-project/pull/140282
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