[LLVMdev] Polly test and example

[MORIYAMA Tomohiro]

(2011/06/10 13:25), Tobias Grosser wrote:
> On 06/10/2011 12:00 AM, MORIYAMA Tomohiro wrote:
>> H, Tobias
>> Thank you for your reply.
>>
>>
>> Tobias Grosser wrote:
>>> Interesting. On what kind of Platform are you running this? Is it still
>>> Ubuntu 11.04? I assume it's an intel platform, but is it a 32-bit or
>>> 64bit?
>>
>> It is a little bit complicated.
>>
>> Intel Core i5 M520.
>> Ubuntu 11.04-i386 using VMWare Player on Windows 7 Professional(64bit).
>
> So it's 32bit.

Certainly.

>>>
>>> The test cases that are failing are the ones that use 'lli' to execute
>>> the generated program. There seems to be something wrong in respect to
>>> lli. Can you run e.g. single_loop.ll with llvm-lit (-v) and show the
>>> error message.
>>
>> OK. This is the message.
>>
>> --------
>> tomohiro at ubuntu:~/llvm/tools/polly/test/CodeGen$ llvm-lit -v
>> single_loop.ll
>> llvm-lit: lit.cfg:94: note: using out-of-tree build at
>> '/home/tomohiro/build/
>> tools/polly'
>> -- Testing: 1 tests, 2 threads --
>> FAIL: Polly :: CodeGen/single_loop.ll (1 of 1)
>> ******************** TEST 'Polly :: CodeGen/single_loop.ll' FAILED
>> *************
>> *******
>> Script:
>> --
>> opt -load /home/tomohiro/build/lib/LLVMPolly.so -basicaa
>> -polly-prepare -polly
>> -region-simplify -scev-aa -polly-cloog -analyze<
>> /home/tomohiro/llvm/tools/
>> polly/test/CodeGen/single_loop.ll | FileCheck
>> /home/tomohiro/llvm/tools/polly/
>> test/CodeGen/single_loop.ll
>> opt -load /home/tomohiro/build/lib/LLVMPolly.so -basicaa
>> -polly-prepare -polly
>> -region-simplify -scev-aa -polly-codegen<
>> /home/tomohiro/llvm/tools/polly/test
>> /CodeGen/single_loop.ll | lli -
>> --
>> Exit Code: 139
>> Command Output (stderr):
>> --
>> Stack dump:
>> 0. Program arguments: lli -
>> /home/tomohiro/build/tools/polly/test/CodeGen/Output/single_loop.ll.script:
>> line
>> 2: 3250 Done opt -load /home/tomohiro/build/lib/LLVMPolly.so
>> -basicaa -polly-prepare -polly-region-simplify -scev-aa
>> -polly-codegen< /home/
>> tomohiro/llvm/tools/polly/test/CodeGen/single_loop.ll
>> 3251 Segmentation fault | lli -
>
>
> Interesting. It seems lli is segfaulting. Can you try to use the
> following command?
>
> opt -load /home/tomohiro/build/lib/LLVMPolly.so \
> -basicaa -polly-prepare -polly-region-simplify -scev-aa \
> -polly-codegen \
> /home/tomohiro/llvm/tools/polly/test/CodeGen/single_loop.ll \
> | llc - out.s && gcc out.s && ./a.out
>
> This means we do not run the created LLVM-IR file with the lli JIT
> compiler, but use the llc compiler and than gcc to statically compile
> the binary.

OK. This result is as follows.

tomohiro at ubuntu:~/llvm/tools/polly/test/CodeGen$ opt -load 
/home/tomohiro/build/lib/LLVMPolly.so \
 >  -basicaa -polly-prepare -polly-region-simplify -scev-aa \
 >  -polly-codegen \
 >  /home/tomohiro/llvm/tools/polly/test/CodeGen/single_loop.ll \
 >  | llc - out.s && gcc out.s && ./a.out
llc: Too many positional arguments specified!
Can specify at most 1 positional arguments: See: llc -help


> In case this does not work, I will investigate this on an i386 machine.
> All our development machines are amd64 machines and I must admit we did
> not test too much on i386. So issues on those machines are not too
> unexpected. Though Raghesh runs i386. He may have seen such a problem
> before.

I see. I will try it amd64 version but now on VMWare.
I'm glad if you tell me your environment in detail.


> Cheers and thanks for your report
> Tobi
>
>
>
>

-- 
Tomohiro
moriyama at isit.or.jp