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can_be_dropped_if_unused
2016 Mar 11
2
RFC: A new ABI for virtual calls, and a change to the virtual call representation in the IR
> On Mar 11, 2016, at 9:56 AM, Reid Kleckner <rnk at google.com> wrote:
>
> On Fri, Mar 11, 2016 at 9:41 AM, John McCall <rjmccall at apple.com <mailto:rjmccall at apple.com>> wrote:
> Okay, so, it sounds to me like LLVM basically treats strong definitions as protected, then. Should we just formalize that?
>
> I guess the proposal here would be:
> 1.
2016 Mar 11
2
RFC: A new ABI for virtual calls, and a change to the virtual call representation in the IR
...ype: interposable (runtime_weak?).
The other linkages are an attempt to preserve the ability to use STV_PROTECTED
on weak definitions while eliminating protected visibility from LLVM.
> We could split the linkage into multiple orthogonal bits, like: odr, weak_for_linker,
> weak_for_runtime, can_be_dropped_if_unused, etc, but I think that is
> an independent cleanup
I agree that that would be best done independently.
John.