================
@@ -8108,6 +8108,24 @@ but do not pass them to the underlying coroutine or pass
them by value.
}];
}
+def CoroAwaitElidableDoc : Documentation {
+ let Category = DocCatDecl;
+ let Content = [{
+The ``[[clang::coro_await_elidable]]`` is a class attribute which can be
applied
+to a coroutine return type.
+
+When a coroutine function that returns such a type calls another coroutine
function,
+the compiler performs heap allocation elision when the following conditions
are all met:
+- callee coroutine function returns a type that is annotated with
``[[clang::coro_await_elidable]]``.
+- In caller coroutine, the return value of the callee is a prvalue or an
xvalue, and
+- The temporary expression containing the callee coroutine object is
immediately co_awaited.
----------------
yuxuanchen1997 wrote:
I took some advice from this change and reworded this paragraph. Thank you!
https://github.com/llvm/llvm-project/pull/99282
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