[llvm-dev] Fwd: bugpoint can't automatically select a safe interpreter!

[Jay Foad via llvm-dev]

On Mon, 22 Jul 2019 at 17:03, Cranmer, Joshua via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> > -----Original Message-----
> > From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of Justin
> > Bogner via llvm-dev
> > Sent: Monday, July 22, 2019 11:44
> > To: Jay Foad via llvm-dev <llvm-dev at lists.llvm.org>
> > Subject: Re: [llvm-dev] Fwd: bugpoint can't automatically select a safe
> > interpreter!
> >
> > Bugpoint's user interface is notoriously complex. I'm not sure why it's going
> > the safe interpreter route instead of reducing the crash, but I'd recommend
> > trying the custom scripts approach in this article for reducing something like
> > this:
>
> IIRC, bugpoint tries to initialize the execution environment (i.e., using the JIT) before checking if the codegen phases crashes. So if you have a target that doesn't support JIT execution, you're stuck using custom scripts instead.

Yeah but... it crashes in generic IR passes, so why would it get as
far as codegen?

Jay.