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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+1. We run a cross-compile environment but as it's the same target architecture as our hosts, we don't run into quite the same issue; but I would like to see
the unittests pay attention to the default target triple.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Note there are some builds that do not *have* a default target triple, so you'll want to do something sensible there.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">--paulr<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> llvm-dev [mailto:llvm-dev-bounces@lists.llvm.org]
<b>On Behalf Of </b>Hubert Tong via llvm-dev<br>
<b>Sent:</b> Thursday, March 21, 2019 12:05 AM<br>
<b>To:</b> Eric Christopher<br>
<b>Cc:</b> llvm-dev<br>
<b>Subject:</b> Re: [llvm-dev] DWARF debug info unit tests: Tests for wrong triple?<o:p></o:p></span></p>
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<p class="MsoNormal">On Wed, Mar 20, 2019 at 7:29 PM Eric Christopher <<a href="mailto:echristo@gmail.com">echristo@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Adding in aprantl here to make sure he's aware.<br>
<br>
Making sure I understand - you're building a compiler on machine a<br>
that llvm doesn't support code generation to and running the llvm<br>
tests on that platform?<o:p></o:p></p>
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<p class="MsoNormal">Yes, or rather the support is in-progress, but the host platform should be good for hosting a cross-compiling LLVM toolchain.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><br>
That's probably a bit out of what any of us expected here as the<br>
typical one is to use build llvm on a platform that it already<br>
supports. I do agree that default target would also work here as a<br>
suitable test.<br>
<br>
-eric<br>
<br>
On Wed, Mar 20, 2019 at 3:47 PM Hubert Tong via llvm-dev<br>
<<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<br>
><br>
> The DWARF debug info unit tests in llvm/unittests/DebugInfo/DWARF/ forms a generator based on the host triple. This is problematic for cross-compile configurations where LLVM does not fully support code generation for the host platform.<br>
><br>
> I have found no rationale for why the host triple was chosen (ref: <a href="https://reviews.llvm.org/D27326?id=80002#inline-236026" target="_blank">
https://reviews.llvm.org/D27326?id=80002#inline-236026</a>).<br>
><br>
> I would imagine that it is more useful to test for the default target rather than the host.<br>
><br>
> -- HT<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="https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><o:p></o:p></p>
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