[LLVMdev] 3.3 Testers!

Sebastian Dreßler dressler at zib.de
Thu May 9 00:24:45 PDT 2013

Sorry, I forgot to mention, that, if you download the sources yourself,
you should append "-no-checkout" to test-release.sh.


On 05/09/2013 08:39 AM, Sebastian Dreßler wrote:
> Hi Tyler,
> On 05/09/2013 07:03 AM, Tyler Hardin wrote:
>> First, let me ask if there's a page that documents the testing process in
>> full. If there is, just give me a link to that and save yourself the time
>> of answering this. (I did Google it, all I found was docs on writing tests
>> for LLVM.)
>> Sorry if this is way off, but I have no idea what to download and unpack to
>> start testing. I know it's stuff from here:
>> http://llvm.org/pre-releases/3.3/rc1/.
>> I've built LLVM and Clang before, for my own use. IIRC, I put clang in
>> llvm/tools/ and just ran ./configure and make. So what I need to know is:
>> which of those files do I need, and which llvm subdirectories the go in?
>> And I do this for both 3.3rc1 and 3.2, then run:
>> utils/release/test-release.sh --release 3.2 in the llvm 3.2 directory, and
>> utils/release/test-release.sh --release 3.3 --rc 1 in the llvm 3.3rc1
>> directory, right?
>> For clarification, by llvm 3.x directory, I mean the extracted llvm 3.x
>> tarball and all the 3.x sub-tools extracted in their respective
>> subdirectories.
>> Then what after that?
>> Sorry for all the extra clarification. This is the first testing I've ever
>> done. I really like LLVM and accompanying tools. I'd like to become more
>> involved in the LLVM project, but I don't think I have the necessary skills
>> yet.
> Disclaimer: This is also my very first testing session, but I think that
> I've figured it out ... at least the procedure makes sense to me ;)
> The full procedure for getting the nightly test results of *a single RC*
> is as follows:
> 1. Get the sources for LLVM + Clang from SVN (i.e. checkout from the
> specific tags, e.g. RELEASE_33/rc1)
> 2. Run the script from utils/release/test-release.sh with appropriate
> arguments, e.g. to build 3.3 RC1:
>     test-release.sh -release 3.3 -rc 1
> Adapt -build-dir and -j as needed
> 3. Once 2 is finished, download the llvm-test-suite, install LNT (if not
> done already) and run it, don't forget to set --cc and --cxx to the
> newly compiled clang/clang++ binaries. When this step is finished,
> you'll get a directory containing a log file (report.json)
> Now for the important: you have to do this for 3.2final *and* 3.3rc1m so
> simply repeat steps 1 to 3. Once you have the result.json files for both
> releases, you can compare them with the mentioned
> findRegressions-{nightly,simple}.py scripts.
> I hope that clarifies some things.
> Cheers,
> Sebastian

Mit freundlichen Grüßen / Kind regards

Sebastian Dreßler

Zuse Institute Berlin (ZIB)
Takustraße 7
D-14195 Berlin-Dahlem

dressler at zib.de
Phone: +49 30 84185-261


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