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

Thu Jun 11 11:32:57 PDT 2020

rjmccall added a comment.

In D81311#2087592 <https://reviews.llvm.org/D81311#2087592>, @jdoerfert wrote:

> In D81311#2086326 <https://reviews.llvm.org/D81311#2086326>, @rjmccall wrote:
>
> > In D81311#2086227 <https://reviews.llvm.org/D81311#2086227>, @jdoerfert wrote:
> >
> > > Do we allow `inmem` to be used for other purposes? I would assume the answer is yes, as we do not forbid it.
> >
> >
> > I don't know what else we might use it for off-hand, but yes, I think the frontend could put this down on all value arguments that are actually passed indirectly.
>
>
> Where does it say it is limited to indirectly passed arguments?

The argument does have to be a pointer.  And passes aren't allowed to infer this or it becomes useless for the original purpose.

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