<div dir="ltr">Well, I think we don't have a clear idea about new-PM codegen should work in general. Is this really something that concerns us right now?<div><br></div><div>Philip</div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Sep 26, 2018 at 7:54 PM Friedman, Eli <<a href="mailto:efriedma@codeaurora.org">efriedma@codeaurora.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 9/26/2018 10:47 AM, Philip Pfaffe via llvm-dev wrote:<br>
> Hi Fedor,<br>
><br>
> can you make an example where a pass actually needs to opt-out? <br>
> Because IMO, bisect should quite literally to DebugCounter-style skip <br>
> every step in every ::run method's loop. Passes should not even be <br>
> concerned with this.<br>
<br>
This isn't so much an issue for the optimization pipeline, but code <br>
generation involves some passes which are mandatory (e.g. isel).<br>
<br>
-Eli<br>
<br>
-- <br>
Employee of Qualcomm Innovation Center, Inc.<br>
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project<br>
<br>
</blockquote></div>