[llvm-dev] Line number without -Debug ?
Eric Christopher via llvm-dev
llvm-dev at lists.llvm.org
Tue Dec 15 18:37:07 PST 2015
Whatever frontend you're using needs to annotate the instructions with the
source level locations. With clang some instructions have it by default and
for others you'll need to enable -g for debug output to get source
information (or -gline-tables-only for a minimum of metadata).
On Tue, Dec 15, 2015 at 2:28 AM Irini Stavrakantonaki <istavrak at ics.forth.gr>
> 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,
> 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.
> On Mon, Dec 14, 2015 at 5:54 PM Irini Stavrakantonaki via llvm-dev <
> 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,
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
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