[llvm-dev] get debug info after optimization

[Mohammad Norouzi via llvm-dev]

So I guess I can get it with:

getDebugLoc().getLine();

Right?

Best,
Mohammad

On Thu, Mar 3, 2016 at 6:30 PM, Robinson, Paul <
Paul_Robinson at playstation.sony.com> wrote:

> > > On Mar 3, 2016, at 8:40 AM, Mohammad Norouzi via llvm-dev <llvm-
> > dev at lists.llvm.org> wrote:
> > >
> > > Is it possible to get debug information after optimization? for
> example,
> > source code line numbers of instructions in an ir that is optimized by
> O2?
> >
> > Absolutely. In textual IR, have a look at the !dbg annotations on the
> > instructions. Let me know if you have any more specific questions.
> >
> > -- adrian
>
> And if you find cases where debug info doesn't survive optimization very
> well, but you think it could do better, it's definitely worth reporting
> those cases.  We can't necessarily make it better, but it's always worth
> a look.
> --paulr
>
>
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