[llvm-dev] Enable vectorizer-maximize-bandwidth by default?

Chandler Carruth via llvm-dev llvm-dev at lists.llvm.org
Tue May 30 13:04:40 PDT 2017


On Tue, May 30, 2017 at 9:17 AM Adam Nemet <anemet at apple.com> wrote:

> On May 30, 2017, at 12:58 AM, Chandler Carruth <chandlerc at gmail.com>
> wrote:
>
> On Fri, May 19, 2017 at 4:01 PM Adam Nemet via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> I will run it on Cyclone/AArch64 next week.
>>
>
> FYI, we're still waiting on these Adam…
>
>
> I was going to test spec but this does not seem to trigger on spec
> according to Dehao, so there is really no reason for me to test this.  We
> have some spec perf bots that test trunk; if there is some unexpected
> regression we should pick it up.  Sorry for not being explicit about this.
>

Ok, if you're fine with that, cool.

Only reason I asked was because I wasn't sure that it fundamentally didn't
fire on SPEC or just didn't with the particular cost model and might
fire/behave differently with a different cost model.
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