[LLVMdev] UNREACHABLE executed! error while trying to generate PTX

Justin Holewinski justin.holewinski at gmail.com
Mon Mar 25 10:09:16 PDT 2013


This file should compile fine now on trunk.


On Sat, Mar 23, 2013 at 8:43 PM, Justin Holewinski <
justin.holewinski at gmail.com> wrote:

> That particular error is fixed in trunk, but with your code I'm now
> hitting a new issue.  I'll get the fix in soon.
>
>
> On Fri, Mar 22, 2013 at 1:08 AM, upit <uday_pitambare at yahoo.com> wrote:
>
>> Well, I tried the command line given by you and I get the following error
>>
>> clang++ nbody.kernel.cu -Xclang -fcuda-is-device
>> -I/home/upitamba/llvm-3.2.src/tools/clang/test/SemaCUDA/ -Xclang -triple
>> -Xclang nvptx64 -Xclang -target-cpu -Xclang sm_10 -S
>>
>> fatal error: error in backend: Cannot select: 0x334a870: v4f32 =
>> NVPTXISD::MoveParam 0x334a770 [ORD=1] [ID=22]
>>   0x334a770: v4f32 = TargetExternalSymbol'.PARAM0' [ID=1]
>> In function: computeBodyAccel
>>
>> Am I doing anything wrong here ?
>>
>> Attached my new  nbody.kernel.cu
>> <http://llvm.1065342.n5.nabble.com/file/n56141/nbody.kernel.cu>  .cu here
>>
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://llvm.1065342.n5.nabble.com/UNREACHABLE-executed-error-while-trying-to-generate-PTX-tp56026p56141.html
>> Sent from the LLVM - Dev mailing list archive at Nabble.com.
>> _______________________________________________
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>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
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>>
>
>
>
> --
>
> Thanks,
>
> Justin Holewinski
>



-- 

Thanks,

Justin Holewinski
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