[LLVMdev] LowerDbgDeclare results in redeclaration of local variable

[Eric Christopher]

Adrian committed that patch and I'm not quite sure what's going on,
though if you file a bug with your example and cc both of us I'm sure
one of us will take a look.

-eric

On Mon, Apr 29, 2013 at 1:01 PM, Pankaj Gode <godepankaj at yahoo.com> wrote:
> Hi Eric,
>
> Thanks for patch information. I have checked the patch with my code and I
> see that it works.
> But when I extract the variable and check the metadata information to
> retrieve the scope information,
> I do not get exact scope, after optimization.
> As you said that this is a work in progress, so can we expect full version
> on this in llvm3.3 release ?
>
> Regards,
> Pankaj
>
>
> From: Eric Christopher <echristo at gmail.com>
> To: Pankaj Gode <godepankaj at yahoo.com>; Adrian Prantl <aprantl at apple.com>
> Cc: llvm Developers <llvmdev at cs.uiuc.edu>
> Sent: Monday, April 29, 2013 12:24 PM
> Subject: Re: [LLVMdev] LowerDbgDeclare results in redeclaration of local
> variable
>
> There was a patch committed the other day that should, at least, work
> around some of the behavior you describe. Optimized debug info is an
> area that's being worked on in ToT and previous releases are
> particularly bad. I'd use that.
>
> -eric
>
> On Mon, Apr 29, 2013 at 7:02 AM, Pankaj Gode <godepankaj at yahoo.com> wrote:
>> Hi All,
>>
>> Due to 'LowerDbgDeclare' call ( as part of 'instruction combining'
>> optimization), a local variable gets declared and initialized inside the
>> basic blocks it is used in.
>> Is there anyway I can avoid this ?
>>
>> This is with reference with my previous question.
>> http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-April/061644.html
>>
>>
>> Regards,
>> Pankaj
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu        http://llvm.cs.uiuc.edu/
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>
>