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<p class="MsoNormal">For anybody viewing these failures through some sort of CI system, showing the error first then the input file is more useful for the same reasons you mentioned. Personally, I rarely run filecheck by hand from the command prompt, so your
change would make my life worse. Granted, I’m just one person.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The point I’m trying to make is that I don’t think it’s clear-cut which order is better, so maybe we shouldn’t change it. I think it might be fine to add an option to swap the order, but I’d be very sad if it started dumping to some random
file by default.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"> Christopher Tetreault<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> llvm-dev <llvm-dev-bounces@lists.llvm.org> <b>On Behalf Of
</b>Sjoerd Meijer via llvm-dev<br>
<b>Sent:</b> Thursday, June 18, 2020 9:16 AM<br>
<b>To:</b> llvm-dev@lists.llvm.org<br>
<b>Subject:</b> [EXT] [llvm-dev] FileCheck<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hello,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I am not sold on FileCheck's new behaviour. For failing tests in verbose mode, it first dump the actual error messages, followed by the annotated input file to FileCheck. The result is I can't
immediately see error messages if the input is more than just a few lines long, so I have to scroll all the way up to see the errors, then down again, etc.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I do see some advantages of dumping the input to FileCheck, but an improvement for me would be:<o:p></o:p></span></p>
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<li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:12.0pt">to dump the input first, then followed by the error message, so that I can the errors first, and then decide to scroll up if I am interested to do so.<o:p></o:p></span></li><li class="MsoNormal" style="color:black;mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:12.0pt">dump it to a separate file (controlled with an option).<o:p></o:p></span></li></ul>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I am interested in changing the behaviour, because I think I find setting environment varibale "FILECHECK_OPTS="--dump-input never"" inconvenient. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">My 2 pennies.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Sjoerd.<o:p></o:p></span></p>
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