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[Doc] Added a little on store_borrow.

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Nate Chandler
2022-12-09 10:29:55 -08:00
parent 49b4c34f37
commit 2060979b97
1 changed files with 5 additions and 2 deletions
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docs/SIL.rst
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@@ -4070,11 +4070,14 @@ The stack location must not be modified by other instructions than
``store_borrow``.
All uses of the store_borrow destination ```%1`` should be via the store_borrow
return address ``%2`` except dealloc_stack.
The stored value is alive until the ``end_borrow``. During the its lifetime,the
The stored value is alive until the ``end_borrow``. During its lifetime, the
stored value must not be modified or destroyed.
The source value ``%0`` is borrowed (i.e. not copied) and it's borrow scope
The source value ``%0`` is borrowed (i.e. not copied) and its borrow scope
must outlive the lifetime of the stored value.
Notionally, the outer borrow scope ensures that there's something to be
addressed. The inner borrow scope provides the address to work with.
begin_borrow
````````````