================
@@ -176,3 +176,34 @@ Predefined Macros
* - ``HIP_API_PER_THREAD_DEFAULT_STREAM``
- Alias to ``__HIP_API_PER_THREAD_DEFAULT_STREAM__``. Deprecated.
+C++20 Concepts with HIP and CUDA
+--------------------------------
+
+In Clang, when working with HIP or CUDA, it's important to note that all
constraints in C++20 concepts are assumed to be for the host side only. This
behavior is consistent across both programming models, and developers should be
aware of this assumption when writing code that utilizes C++20 concepts.
+
+Example:
+.. code-block:: c++
+
+ template <class T>
+ concept MyConcept = requires(T& obj) {
+ my_function(obj); // Assumed to be a host-side requirement
----------------
Artem-B wrote:
How would one write a correct GPU-side requirement?
E.g. I want some `__device__` function to be callable.
https://github.com/llvm/llvm-project/pull/67721
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