================
@@ -8119,6 +8119,35 @@ 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 call to the coroutine
function
+is immediately co_awaited as a prvalue.
----------------
yuxuanchen1997 wrote:
I felt a bit uneasy to just say "immediate" because I feel like it's a little
ambiguous. Briefly skimming through the standard, the word "immediate" is
mostly used to describe parsing behaviours. While the term `prvalue` has a
well-defined meaning in the standard and fits our purpose well.
https://github.com/llvm/llvm-project/pull/99282
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