[Beignet] Program compilation crash on Ivy Bridge

[Nicolas Bourdaud]

Thanks! I will try this

Nicolas

On 18/11/2014 02:52, Zhigang Gong wrote:
> The following error log is from LLVM internal. It's likely a llvm/clang 3.4's bug.
> The kernel works fine with both beignet 0.9.3 and 1.0.0 by using llvm/clang 3.5.
> The recommended llvm version for beignet is LLVM 3.5.
> 
> OpenCL platform name: Intel Gen OCL Driver
> OpenCL version: OpenCL 1.2 beignet 0.9.3
> OpenCL device: Intel(R) HD Graphics IvyBridge GT2
> Running OpenCL 1.2 version
> going to compile CL prog
> Call parameter type does not match function signature!
> i128 8404990
>  float  %8 = call i32 @_Z6islessff(float %7, i128 8404990) #7
> Both operands to a binary operator are not of the same type!
>   %18 = fmul ppc_fp128 0xM0000000000FF40060000000000000000, float %17
> Invalid insertelement operands!
>   %20 = insertelement <4 x float> %19, ppc_fp128 %18, i32 1
> Invalid insertelement operands!
>   %26 = insertelement <4 x float> %25, ppc_fp128 0xM00000000000000000000000000000000, i32 3
> Broken module found, compilation aborted!
> Aborted
> 
>> -----Original Message-----
>> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
>> Nicolas Bourdaud
>> Sent: Monday, November 17, 2014 7:27 PM
>> To: beignet at lists.freedesktop.org
>> Subject: [Beignet] Program compilation crash on Ivy Bridge
>>
>> Hi!
>>
>> In beignet 0.9.3, beignet aborts in the middle on compilation with compiling for
>> ivybridge microarchitecture, while it compiles and runs fine on Haswell.
>>
>> I have provided a test program (test.cl) that shows the problem and the
>> generate log on haswell (haswell.log) and ivybridge (ivybridge.log). I have
>> tested on different ivybridge CPU  (HD4000, HD2500) and the issue is the
>> same. I have also tested on different haswell CPU (only HD4600) and it always
>> goes fine.
>>
>> For information beignet has been tested for:
>>  - ivybridge using linux 3.14 compiled with llvm 3.4.
>>  - haswell using linux 3.14 compiled with llvm 3.4.
>>  - haswell using linux 3.16 compiled with llvm 3.5 In all case, the program
>> compiled and runs correctly with haswell, not with ivybridge.
>>
>> I could give a try with beignet 1.0.0, but maybe you the problem would be
>> obvious to you.
>>
>> Any idea about the problem?
>>
>> Cheers,
>>
>> Nicolas Bourdaud
> 


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