[llvm-dev] Line number without -Debug ?

[Mehdi Amini via llvm-dev]

> On Dec 15, 2015, at 6:06 AM, Irini Stavrakantonaki via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Is this "work" heavier than enabling the debug mode?
> 
> Nop. No XY question here.

I’ll add a “+1” to Mats. We don’t know *why* you want that, what is the problem you’re trying to solve?
(i.e. why do you want the line number).

— 
Mehdi



> In fact it is just be more useful for me to have the information of line number but still be in release mode. 
> (if this is possible or in other words less "painful" for my pass)
> 
> Thanks
> 
> --irini
> 
> On 15/12/15 17:07, mats petersson wrote:
>> Since there is extra "work" required to store that sort of infromation, I wouldn't want my compiler to do that unless I have specifically asked for it.
>> 
>> What is the actual problem you are trying to solve? I feel that you are asking an XY question (in other words, "I have problem X, I think solution is Y, so I ask how to do Y", rather than asking "how do I do X"). 
>> 
>> --
>> Mats
>> 
>> On 15 December 2015 at 10:28, Irini Stavrakantonaki via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>> Hi Eric and thanks for your answer,
>> 
>> What I mean is that I want to find the number of line on the IR code of a specific instruction.
>> I found out that I can use:
>> 
>>         DebugLoc Loc = CurrentInstruction->getDebugLoc();
>>         unsigned Line = Loc.getLine();
>> 
>> But this works only if DEBUGFLAG is True.
>> I'd like to be able to get the Line number without being on a 'Debug' mode. Is this possible?
>> 
>> Thanks again,
>> 
>> -irini
>> 
>> 
>> On 15/12/2015 09:37, Eric Christopher wrote:
>>> Not sure what you mean, but the answer is likely "no" as there's nothing for anything to retrieve. Diagnostics inside the compiler can usually get it from certain IR constructs that have line information, but I'm not sure if that's what you mean.
>>> 
>>> -eric
>>> 
>>> On Mon, Dec 14, 2015 at 5:54 PM Irini Stavrakantonaki via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>>> Hi list,
>>> 
>>> Is it possible to retrieve the source/IR line number
>>> without being on a debug mode?
>>> 
>>> Thank you in advance,
>>> 
>>> --
>>> irini
>>> 
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>> 
>>  -- 
>> irini
>> 
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>> 
> 
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