[llvm-dev] Need help with code generation

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Tue Mar 22 08:18:03 PDT 2016


On Tue, Mar 22, 2016 at 4:27 AM, Rafael EspĂ­ndola <llvm-dev at lists.llvm.org>
wrote:

> > Maybe not, but it's not impossible either - browsers manage to harden
> themselves against malicious input and they operate in a far hostile
> environment with many more input formats than we do.
>
> It is important to note how different they are. Both Firefox and
> Chromium have people working just to try to make them more secure.
> Compare that with LLVM: One week ago I pointed out that your patch
> (r263521) introduces a crash. It still hasn't been reverted or even
> acknowledge yet.
>
>
> > I'm not trying to shift your personal goal, or to direct the features
> that you choose to put your time into, but I am interested in project
> policy.
>
> Why do you care about policy that is not followed? A policy saying
> llvm should not crash on any input is as relevant as one that says
> that clang should keep bootstrapping in under one second.
>

It's pretty different when you say, essentially, that patches to address
these things are unlikely to be accepted. It doesn't seem surprising that
people wouldn't try to provide those patches and would choose not to use
the project if that's the expressed policy of the developers on the project
and doesn't line up with the needs of other people.


>
> So, if we stick to reality, what we have is that lld (ELF and COFF)
> are already the most reliable parts of the toolchain. If not for Rui
> and I being upfront about it most people would not even know that you
> could crash it. So please, just let us keep working on the most
> reliable part of the toolchain.
>
> Cheers,
> Rafael
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