[PATCH] LLC: Enable debug information in MMI when using the stop-after option.

[Alex L via llvm-commits]

2015-08-18 17:43 GMT-07:00 Duncan P. N. Exon Smith <dexonsmith at apple.com>:

>
> > On 2015-Aug-18, at 17:22, Alex L <arphaman at gmail.com> wrote:
> >
> > Sorry, I forgot to attach a patch,
> > Here it is:
> >
> > 2015-08-18 17:21 GMT-07:00 Alex L <arphaman at gmail.com>:
> > Hi,
> >
> > This patch ensures that the machine module information class sets the
> availability of the debug information to true when using llc with the
> 'stop-after' option.
> >
> > Thanks,
> > Alex
> >
> > <0001-LLC-Enable-debug-information-in-MMI-when-using-the-s.patch>
>
> I don't really understand the context.  What does
> `setDebugInfoAvailability()` have to do with -stop-after?


When llc runs with the stop-after option, MMI's 'DbgInfoAvailable' flag is
always false as the LLVMTargetMachine never creates the assembly output
streamer, and thus the code in 'AsmPrinter/DwarfDebug.cpp' that calls
'setDebugInfoAvailability(true)' is never executed.
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