[LLVMdev] Beginner question: request guidance on how to trace 'make check' failure in SVN build

Shailesh Khandekar shailesh.khandekar at gmail.com
Tue Aug 19 04:19:04 PDT 2008

Thanks for the helpful pointers. Today morning, I checked out the
sources from SVN head revision and found that a fresh build passed all

Best regards,

Shailesh S. Khandekar

> Message: 2
> Date: Mon, 18 Aug 2008 12:43:39 -0700 (PDT)
> From: "Tanya M. Lattner" <tonic at nondot.org>
> Subject: Re: [LLVMdev] Beginner question: request guidance on how to
>        trace 'make check' failure in SVN build
> To: LLVM Developers Mailing List <llvmdev at cs.uiuc.edu>
> Message-ID: <Pine.LNX.4.62.0808181237550.15591 at nondot.org>
> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
> This a current failure on LLVM TOT. It will probably be fixed soon.
> As for tracing the error, you should first read up on our testing
> framework:
> http://llvm.org/docs/TestingGuide.html
> Generally, you will want to look at the failing tests RUN line and
> determine what part is failing (in the case below, grep is failing). Most
> of the tests in llvm/test are pretty small, so you probably don't need to
> reduce the test case. Then its a matter of understanding what the test is
> testing for and debugging the pass/opt or whatever.
> For bigger test cases, you will want to read up on bugpoint:
> http://llvm.org/cmds/bugpoint.html
> http://llvm.org/docs/Bugpoint.html
> How to file a bug report:
> http://llvm.org/docs/HowToSubmitABug.html
> -Tanya
> On Mon, 18 Aug 2008, Shailesh Khandekar wrote:
>> Greetings everybody,
>> I'm at beginner level with LLVM and tried to build the sources from
>> SVN revision 54920 on Fedora 9 (kernel 2.6.25-14.fc9.x86_64) running
>> on Intel Q6600 @ 2.40GHz processor. LLVM build using 'make -j 4' was
>> successful. However, during 'make check', a test case failed. The
>> relevant snippets appear below. Can someone please point me to any
>> links on how the relevant error can be further traced? I am interested
>> in contributing to the testing efforts for LLVM on Linux and eager to
>> learn the essential tools for the same. I'm highly impressed with LLVM
>> so far.
>> ....

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