[llvm-dev] Pass segmentation fault after llvm_shutdown.

[Friedman, Eli via llvm-dev]

I have no idea what changed between 6.0 and trunk, so probably not?

-Eli

On 5/16/2018 10:23 PM, Simone Atzeni wrote:
> It's working with trunk though. Do you think the patch will end up in 
> 6.0.1?
>
> Thanks.
> Simone
>
> On Tue, May 15, 2018 at 11:18 AM, Friedman, Eli 
> <efriedma at codeaurora.org <mailto:efriedma at codeaurora.org>> wrote:
>
>     I ran into a similar problem a while ago; see
>     https://reviews.llvm.org/D30107 <https://reviews.llvm.org/D30107>
>     and https://reviews.llvm.org/D33515
>     <https://reviews.llvm.org/D33515> .  You get the unusual stack
>     trace because it's trying to call a destructor in shared library
>     which was already unloaded.
>
>     I thought we had fixed that, but maybe not?  Looking again, it
>     looks like the patch got reverted and I didn't notice.
>
>     -Eli
>
>
>     On 5/14/2018 10:18 PM, Simone Atzeni via llvm-dev wrote:
>>     This is the correct path to the pass:
>>     https://github.com/PRUNERS/sword/blob/master/lib/Transforms/Instrumentation/InstrumentParallel.cpp
>>     <https://github.com/PRUNERS/sword/blob/master/lib/Transforms/Instrumentation/InstrumentParallel.cpp>
>>
>>     On Mon, May 14, 2018 at 10:06 PM, Simone Atzeni
>>     <simone.at at gmail.com <mailto:simone.at at gmail.com>> wrote:
>>
>>         Hi all,
>>
>>         I was porting my pass from LLVM 4.0 to 6.0 and I am getting a
>>         segmentation fault.
>>         I was able to obtain only the info below from GDB.
>>
>>         I tried to debug with some printf and the runOnFunction runs
>>         correctly.
>>         Any idea/suggestion about what is going on?
>>
>>         The source code of the pass is here:
>>         https://github.com/PRUNERS/sword/blob/master/lib/Sword.cpp
>>         <https://github.com/PRUNERS/sword/blob/master/lib/Sword.cpp>
>>
>>         Any help is much appreciated,
>>         Thanks!
>>         Simone
>>
>>         #0  0x00007f1d93735170 in ?? ()
>>         #1  0x00000000017d2b96 in
>>         llvm::object_deleter<llvm::SmallVector<std::pair<llvm::PassManagerBuilder::ExtensionPointTy,
>>         std::function<void (llvm::PassManagerBuilder const&,
>>         llvm::legacy::PassManagerBase&)> >, 8u> >::call(void*) ()
>>         #2  0x0000000001b0e5e9 in llvm::llvm_shutdown() ()
>>         #3  0x00000000008d8077 in main ()
>>
>>
>>
>>
>>     _______________________________________________
>>     LLVM Developers mailing list
>>     llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>
>>     http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>     <http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>
>
>
>     -- 
>     Employee of Qualcomm Innovation Center, Inc.
>     Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
>
>

-- 
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180517/570f5d88/attachment.html>