[llvm] r239480 - Add new EliminateAvailableExternally module pass, which is performed in

[Reid Kleckner]

On Wed, Jun 10, 2015 at 11:00 AM, David Blaikie <dblaikie at gmail.com> wrote:

> I guess everyone else probably already thought this through & I'm just
> running behind (I tuned out of the code review once it looked like other
> more informed people were driving it), but why do we need to preserve these
> functions in the LTO build - wouldn't we just find their definitions in
> some other module anyway? Or is this to catch the case where they're truly
> /external/ to LTO, such as in a pre-build object file, etc?
>

Right, it handles exactly that case.
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