================
@@ -6691,6 +6691,22 @@ sections that the user does not want removed after
linking.
...
!0 = !{}
+'``coro.outside.frame``' Metadata
+^^^^^^^^^^^^^^^^^^^^^^
+
+``coro.outside.frame`` metadata may be attached to an alloca instruction to
+to signify that it shouldn't be promoted to the coroutine frame, useful for
+filtering allocas out by the frontend when emitting internal control
mechanisms.
+Additionally, this metadata is only used as a flag, so the associated
+node must be empty.
+
+.. code-block:: text
+
+ %__coro_gro = alloca %struct.GroType, align 1, !coro.outside.frame !0
+
+ ...
+ !0 = !{}
+
----------------
ChuanqiXu9 wrote:
Maybe it is better to add this to a new section of `Coroutines.rst`. We add
the coroutines related things there generally.
https://github.com/llvm/llvm-project/pull/66706
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