<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I've been having the same problem for a while on the GlobalISel work. We didn't get to the bottom of it, but it seems likely that the CMake Generator this bot uses forgets to create a dependency.<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 6 Dec 2017, at 09:40, Oliver Stannard via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">I’ve had another look, and some of the failing tests don’t use temporary files, so I don’t think this is a case of tests having side-effects.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Instead, I’ve noticed that in the build log (<a href="http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/6552/steps/build-unified-tree/logs/stdio" style="color: purple; text-decoration: underline;" class="">http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/6552/steps/build-unified-tree/logs/stdio</a>), llvm-tblgen.exe is built (my patch modified it), but the table-generation steps of the main build (importantly, ARMGenAsmMatcher.inc) do not appear to be running. I think this would explain the FileCheck output from those failing tests.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Could there be a buildbot misconfiguration which is preventing the newly-built llvm-tblgen from being used?<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class="">Oliver<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);" class=""><o:p class=""> </o:p></span></div><div style="border-style: none none none solid; border-left-width: 1.5pt; border-left-color: blue; padding: 0cm 0cm 0cm 4pt;" class=""><div class=""><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0cm 0cm;" class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><b class=""><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif;" class="">From:</span></b><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif;" class=""><span class="Apple-converted-space"> </span>Galina Kistanova [<a href="mailto:gkistanova@gmail.com" style="color: purple; text-decoration: underline;" class="">mailto:gkistanova@gmail.com</a>]<span class="Apple-converted-space"> </span><br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>04 December 2017 22:30<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>Oliver Stannard<br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span>Sander De Smalen; nd<br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>Re: buildbot failure in LLVM on llvm-clang-x86_64-expensive-checks-win<o:p class=""></o:p></span></div></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">Hi <span style="font-size: 9.5pt;" class="">Oliver,</span><o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">I have requested a clean build of that exact revision and all the tests passes.<o:p class=""></o:p></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><a href="http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/6561" target="_blank" style="color: purple; text-decoration: underline;" class="">http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-win/builds/6561</a><o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">This is kind of bad, as it seems some tests have side effects.<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">Thanks<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">Galina<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">On Mon, Dec 4, 2017 at 5:47 AM, Oliver Stannard <<a href="mailto:Oliver.Stannard@arm.com" target="_blank" style="color: purple; text-decoration: underline;" class="">Oliver.Stannard@arm.com</a>> wrote:<o:p class=""></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class="">Hi Galina,<br class=""><br class="">This buildbot failure looks related to my patch (blamelist of 1, the failing tests are ones I modified), but it's not clear what is wrong from the lit output, and I haven't been able to reproduce this locally. Would it be possible for you to send me the output of one of the failing llvm-mc commands on that bot?<br class=""><br class="">Sander also hit a similar problem with the same bot in<span class="Apple-converted-space"> </span><a href="https://reviews.llvm.org/D40011" target="_blank" style="color: purple; text-decoration: underline;" class="">https://reviews.llvm.org/D40011</a>.<br class=""><br class="">Thanks,<br class="">Oliver<o:p class=""></o:p></div><div class=""><div class=""><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: "Times New Roman", serif;"><br class="">> -----Original Message-----<br class="">> From:<span class="Apple-converted-space"> </span><a href="mailto:llvm.buildmaster@lab.llvm.org" style="color: purple; text-decoration: underline;" class="">llvm.buildmaster@lab.llvm.org</a><br class="">> [mailto:<a href="mailto:llvm.buildmaster@lab.llvm.org" style="color: purple; text-decoration: underline;" class="">llvm.buildmaster@lab.llvm.org</a>]<br class="">> Sent: 04 December 2017 12:51<br class="">> To: Oliver Stannard<br class="">> Cc:<span class="Apple-converted-space"> </span><a href="mailto:gkistanova@gmail.com" style="color: purple; text-decoration: underline;" class="">gkistanova@gmail.com</a><br class="">> Subject: buildbot failure in LLVM on llvm-clang-x86_64-expensive-checks-<br class="">> win<br class="">><br class="">> The Buildbot has detected a new failure on builder llvm-clang-x86_64-<br class="">> expensive-checks-win while building llvm.<br class="">> Full details are available at:<br class="">> <span class="Apple-converted-space"> </span><a href="http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-" target="_blank" style="color: purple; text-decoration: underline;" class="">http://lab.llvm.org:8011/builders/llvm-clang-x86_64-expensive-checks-</a><br class="">> win/builds/6552<br class="">><br class="">> Buildbot URL:<span class="Apple-converted-space"> </span><a href="http://lab.llvm.org:8011/" target="_blank" style="color: purple; text-decoration: underline;" class="">http://lab.llvm.org:8011/</a><br class="">><br class="">> Buildslave for this Build: ps4-buildslave2<br class="">><br class="">> Build Reason: scheduler<br class="">> Build Source Stamp: [branch trunk] 319649<br class="">> Blamelist: olista01<br class="">><br class="">> BUILD FAILED: failed test-check-all<br class="">><br class="">> sincerely,<br class="">> -The Buildbot<br class="">><br class="">><o:p class=""></o:p></p></div></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman", serif;" class=""><o:p class=""> </o:p></div></div></div></div><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; 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