[cfe-dev] BUG31871

[Reid Kleckner via cfe-dev]

The quick fix would be to ignore it silently instead of ignoring it loudly.

Does anyone know if LLVM actually implements CPU tuning? I was browsing
some code and it looks like we ignore -mtune=, but I didn't have time to
dig deeper.

On Mon, Dec 17, 2018 at 10:48 AM Shoaib Meenai <smeenai at fb.com> wrote:

> CC'ing Reid (I also added some relevant CCs to the bug).
>
>
>
> *From: *cfe-dev <cfe-dev-bounces at lists.llvm.org> on behalf of cfe-dev <
> cfe-dev at lists.llvm.org>
> *Reply-To: *JVApen <JVApen at gmail.com>
> *Date: *Monday, December 17, 2018 at 7:54 AM
> *To: *cfe-dev <cfe-dev at lists.llvm.org>
> *Subject: *[cfe-dev] BUG31871
>
>
>
> Hello all,
>
> I've been working on getting our code compiling with clang-cl for a long
> time now.
>
> Reaching a working stage, I've noticed that I have to do some tricks in
> our build system to work around
> https://bugs.llvm.org/show_bug.cgi?id=31871
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.llvm.org_show-5Fbug.cgi-3Fid-3D31871&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=AZM_sEWeN9uhmyeNFmFHcxe3KV94G6lMB3hw-IiR5Lo&s=F5Tw5La7ccIWQawCYjVOBw8Kxj6_VUQ44B56FBTA-_s&e=>
>
>
>
> Would it be possible to add this command line option (/favor) to clang-cl
> so it doesn't complain about passing this argument? (Even though it might
> not do anything?)
>
>
> JVApen
>
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