<div>For clang you want -ftime-report</div><div><br><div class="gmail_quote"><div>On Fri, Apr 14, 2017 at 5:08 AM Martin J. O'Riordan via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-IE" link="blue" vlink="purple"><div class="m_4939069210784386929WordSection1"><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;color:#943634">Thanks </span><span style="font-family:Wingdings;color:#943634">J</span><span style="font-family:"Book Antiqua",serif;color:#943634"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;color:#943634"><u></u> <u></u></span></p><p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><span lang="EN-US" style="font-size:11.0pt;font-family:"MS Gothic"">陳韋任</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> [mailto:<a href="mailto:chenwj.cs97g@g2.nctu.edu.tw" target="_blank">chenwj.cs97g@g2.nctu.edu.tw</a>] <br><b>Sent:</b> 14 April 2017 12:53<br><b>To:</b> Martin J. O'Riordan <<a href="mailto:martin.oriordan@movidius.com" target="_blank">martin.oriordan@movidius.com</a>><br><b>Cc:</b> LLVM Developers <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>><br><b>Subject:</b> Re: [llvm-dev] Options for timing passes in LLVM?<u></u><u></u></span></p></div></div><div lang="EN-IE" link="blue" vlink="purple"><div class="m_4939069210784386929WordSection1"><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif">Refer to `llc` document [1], it would be `--time-passes`.<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif">[1] <a href="http://llvm.org/docs/CommandGuide/llc.html" target="_blank">http://llvm.org/docs/CommandGuide/llc.html</a><u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif">HTH,<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif">chenwj<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif"><u></u> <u></u></span></p></div></div><div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">2017-04-14 19:39 GMT+08:00 Martin J. O'Riordan via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>>:<u></u><u></u></p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm"><div><div><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif">Hi LLVM-Dev,</span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif">Are there any options that can be used to report the time each LLVM pass takes to execute?  I am examining a program that now takes about 6 times longer to compiler since we moved to the v4.0 sources from the v3.9 sources (~54s to ~320s), and so far my investigation does not seem to point to our additional target specific passes, so I would like to see where the time is being spent.  If there are existing options already present for this kind of thing, that would be very helpful.</span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif">Thanks,</span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif"> </span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif">            MartinO</span><u></u><u></u></p><p class="MsoNormal"><span style="font-family:"Book Antiqua",serif"> </span><u></u><u></u></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><u></u><u></u></p></blockquote></div><p class="MsoNormal"><br><br clear="all"><u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal">-- <u></u><u></u></p><div><p class="MsoNormal"><br>--<br>Wei-Ren Chen (<span style="font-family:"Calibri",sans-serif">陳韋任</span>)<br>Homepage: <a href="https://people.cs.nctu.edu.tw/~chenwj" target="_blank">https://people.cs.nctu.edu.tw/~chenwj</a><u></u><u></u></p></div></div></div></div>_______________________________________________<br>
LLVM Developers mailing list<br>
<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br>
<a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" rel="noreferrer" target="_blank">http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><br>
</blockquote></div></div><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature">~Craig</div>