<div dir="ltr">The quick fix would be to ignore it silently instead of ignoring it loudly.<div><br></div><div>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.</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Dec 17, 2018 at 10:48 AM Shoaib Meenai <<a href="mailto:smeenai@fb.com">smeenai@fb.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">





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<p class="MsoNormal">CC'ing Reid (I also added some relevant CCs to the bug).<u></u><u></u></p>
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<p class="MsoNormal" style="margin-left:0.5in"><b><span style="font-size:12pt;color:black">From:
</span></b><span style="font-size:12pt;color:black">cfe-dev <<a href="mailto:cfe-dev-bounces@lists.llvm.org" target="_blank">cfe-dev-bounces@lists.llvm.org</a>> on behalf of cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>><br>
<b>Reply-To: </b>JVApen <<a href="mailto:JVApen@gmail.com" target="_blank">JVApen@gmail.com</a>><br>
<b>Date: </b>Monday, December 17, 2018 at 7:54 AM<br>
<b>To: </b>cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>><br>
<b>Subject: </b>[cfe-dev] BUG31871<u></u><u></u></span></p>
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<span style="font-size:12pt;font-family:Verdana,serif;color:black">Hello all,<u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-left:0.5in"><span style="font-size:12pt;font-family:Verdana,serif;color:black">I've been working on getting our code compiling with clang-cl for a long time now.<u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-left:0.5in"><span style="font-size:12pt;font-family:Verdana,serif;color:black">Reaching a working stage, I've noticed that I have to do some tricks in our build system to work around
<a href="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=" target="_blank">
https://bugs.llvm.org/show_bug.cgi?id=31871</a><u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-left:0.5in"><span style="font-size:12pt;font-family:Verdana,serif;color:black">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?)<u></u><u></u></span></p>
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<p class="MsoNormal" style="margin-left:0.5in"><span style="font-family:Verdana,serif">JVApen</span><u></u><u></u></p>
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