[LLVMdev] RFC: Should we have (something like) -extra-vectorizer-passes in -O2?

[Chandler Carruth]

On Tue, Oct 14, 2014 at 3:50 PM, Hal Finkel <hfinkel at anl.gov> wrote:

> > I have and will continue to push
> > back on trying to add it until we at least get a sane framework for
> > our *existing* pass pipelines though.
>
> And this makes me even more convinced that we might not all be on the same
> page ;) -- I really would like you to clarify exactly what this means, and
> what it has to do with registration of cleanup passes; or to put it another
> way, why cleanup-pass registration is not part of bringing further sanity
> to the configuration.


I'm starting off assuming a fixed (IE, known up-front) transformation pass
pipeline. That's all.
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