================
@@ -0,0 +1,38 @@
+// RUN: %clang_cc1 -fsycl-is-device -fsyntax-only -verify %s
+
+// Semantic tests for sycl_external attribute
+
+[[clang::sycl_external(3)]] // expected-error {{'sycl_external' attribute
takes no arguments}}
+void bar() {}
+
+[[clang::sycl_external]] // expected-error {{'sycl_external' can only be
applied to functions with external linkage}}
+static void func1() {}
+
+namespace {
+ [[clang::sycl_external]] // expected-error {{'sycl_external' can only be
applied to functions with external linkage}}
+ void func2() {}
+
+ struct UnnX {};
+}
+
+[[clang::sycl_external]] // expected-error {{'sycl_external' can only be
applied to functions with external linkage}}
+ void func4(UnnX) {}
+
+class A {
+ [[clang::sycl_external]]
+ A() {}
+
+ [[clang::sycl_external]] void func3() {}
+};
+
+class B {
+public:
+ [[clang::sycl_external]] virtual void foo() {}
+
+ [[clang::sycl_external]] virtual void bar() = 0;
+};
+
+[[clang::sycl_external]] int *func0() { return nullptr; }
+
+[[clang::sycl_external]] void func2(int *) {}
+
----------------
schittir wrote:
I created a tracker to account for the following missing diagnostics that need
to be implemented to follow spec 2020 for this attribute.
- When compiling for a SYCL device target that does not support the generic
address space, the function shall not specify a raw pointer or reference type
as the return type or as a parameter type.
- The function cannot call sycl::group::parallel_for_work_item.
- The function cannot be called from a parallel_for_work_group scope.
https://github.com/llvm/llvm-project/pull/140282
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