llvm dev - Jul 2009 - [LLVMdev] ARM backend failures from (gcc) c torture suite

I have run the torture test again svn head rev 76522 (2009/07/20) there are
now
2 compilation and 23 runtime failure. A tarball with reproducers is
attached.
Most problems are still vargs related.

Robert

On Fri, Jun 12, 2009 at 11:09 AM, Sandeep Patel <deeppatel1987 at
gmail.com>wrote:
> I don't have a target in front of me to run these tests at the moment,
> but walking manually through va-arg-1.c, it's pretty clear that
> there's some disconnect between the register spilling that happens in
> LowerFORMAL_ARGUMENTS and what happens in LowerVASTART in
> ARMISelLowering.cpp.
>
> deep
>
> On Thu, Jun 11, 2009 at 8:45 AM, robert muth<robert at muth.org>
wrote:
> > I wrote a few scripts to run llvm/arm against the gnu c torture test
> suite
> > which consists of  over 900 smallish tests.
> >
> > There were quite a few failures with llvm/arm which I hereby want to
> > report (see attached
> > tarball for the actual failing testsc).
> >
> > Most of the failures are related to vararg/stdarg.
> > I think I saw a bug files for this but cannot find it anymore.
> > Is somebody on this?
> >
> > Finally, I would like to check in the scripts mentioned above.
> > What would be a good place for them? "utils/" ?
> >
> > _______________________________________________
> > LLVM Developers mailing list
> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> >
> >
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
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Can you file a bug? Thanks.

Evan

On Jul 22, 2009, at 8:30 AM, robert muth wrote:
> I have run the torture test again svn head rev 76522 (2009/07/20)  
> there are now
> 2 compilation and 23 runtime failure. A tarball with reproducers is  
> attached.
> Most problems are still vargs related.
>
> Robert
>
> On Fri, Jun 12, 2009 at 11:09 AM, Sandeep Patel <deeppatel1987 at
gmail.com
> > wrote:
> I don't have a target in front of me to run these tests at the moment,
> but walking manually through va-arg-1.c, it's pretty clear that
> there's some disconnect between the register spilling that happens in
> LowerFORMAL_ARGUMENTS and what happens in LowerVASTART in
> ARMISelLowering.cpp.
>
> deep
>
> On Thu, Jun 11, 2009 at 8:45 AM, robert muth<robert at muth.org>
wrote:
> > I wrote a few scripts to run llvm/arm against the gnu c torture  
> test suite
> > which consists of  over 900 smallish tests.
> >
> > There were quite a few failures with llvm/arm which I hereby want to
> > report (see attached
> > tarball for the actual failing testsc).
> >
> > Most of the failures are related to vararg/stdarg.
> > I think I saw a bug files for this but cannot find it anymore.
> > Is somebody on this?
> >
> > Finally, I would like to check in the scripts mentioned above.
> > What would be a good place for them? "utils/" ?
> >
> > _______________________________________________
> > LLVM Developers mailing list
> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> >
> >
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
> <bad.tgz>_______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
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Just filed bugs for this and a new rather severe one involving address
arithmetic.
Robert

On Fri, Jul 24, 2009 at 1:34 AM, Evan Cheng <evan.cheng at apple.com>
wrote:
> Can you file a bug? Thanks.
> Evan
>
> On Jul 22, 2009, at 8:30 AM, robert muth wrote:
>
> I have run the torture test again svn head rev 76522 (2009/07/20) there are
> now
> 2 compilation and 23 runtime failure. A tarball with reproducers is
> attached.
> Most problems are still vargs related.
>
> Robert
>
> On Fri, Jun 12, 2009 at 11:09 AM, Sandeep Patel <deeppatel1987 at
gmail.com>wrote:
>
>> I don't have a target in front of me to run these tests at the
moment,
>> but walking manually through va-arg-1.c, it's pretty clear that
>> there's some disconnect between the register spilling that happens
in
>> LowerFORMAL_ARGUMENTS and what happens in LowerVASTART in
>> ARMISelLowering.cpp.
>>
>> deep
>>
>> On Thu, Jun 11, 2009 at 8:45 AM, robert muth<robert at muth.org>
wrote:
>> > I wrote a few scripts to run llvm/arm against the gnu c torture
test
>> suite
>> > which consists of  over 900 smallish tests.
>> >
>> > There were quite a few failures with llvm/arm which I hereby want
to
>> > report (see attached
>> > tarball for the actual failing testsc).
>> >
>> > Most of the failures are related to vararg/stdarg.
>> > I think I saw a bug files for this but cannot find it anymore.
>> > Is somebody on this?
>> >
>> > Finally, I would like to check in the scripts mentioned above.
>> > What would be a good place for them? "utils/" ?
>> >
>> > _______________________________________________
>> > LLVM Developers mailing list
>> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> >
>> >
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>
> <bad.tgz>_______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>
>
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