[PATCH] D81311: [RFC] LangRef: Define inmem parameter attribute

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added a comment.

In D81311#2078235 <https://reviews.llvm.org/D81311#2078235>, @rjmccall wrote:

> I wonder if `byref` would be a better name for this, as a way to say that the object is semantically a direct argument that's being passed by implicit reference.


This is probably a better name, but potentially more easily confused with byval.

As far as switching to just the raw number, I think there's value in being consistent with the other growing family of type-carrying parameter attributes but I don't really care about the type itself. I don't understand inalloca/preallocated well enough to know if those should also really only carry a size.


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