[PATCH] Debugging LLVM IR with LLDB (and gdb)

[Eric Christopher]

I'll try to get to it shortly :)

-eric

On Wed, Apr 24, 2013 at 9:04 PM, Malea, Daniel <daniel.malea at intel.com> wrote:
> Ping? I think being able to debug IR would be a nice feature to commit
> before the upcoming release.. I'm of course biased though :)
>
> Cheers,
> Dan
>
>
> On 2013-04-17 11:31 AM, "Malea, Daniel" <daniel.malea at intel.com> wrote:
>
>>Has anyone tried this pass or had a chance to look at the patches?
>>
>>http://llvm-reviews.chandlerc.com/D659
>>
>>
>>Thanks,
>>Daniel
>>
>>On 2013-04-15 12:19 PM, "Malea, Daniel" <daniel.malea at intel.com> wrote:
>>
>>>Ah, sorry, I figured phabricator link was sufficient. Here are the 4
>>>patches that represent the latest phabricator review:
>>>
>>>
>>>
>>>Part #1: FormattedStream -- Add line tracking
>>>- previously formatted_raw_ostream tracked columns, now it tracks lines
>>>too
>>>- used by DebugIR pass to know the line number to connect to each IR
>>>instruction
>>>
>>>Part #2: Pull up AssemblyWriter interface into header to allow
>>>subclassing
>>>- made all functions virtual so that subclasses can specialize them
>>>- add printInstructionLine so that subclasses can choose whether or not
>>>to
>>>print the newline character (without having to implement
>>>printBasicBlock()
>>>- no intended change in functionality/behaviour!
>>>
>>>Part #3: DebugIR -- emit IR file and replace source lines with IR lines
>>>in MD
>>>- requires existing debug information to be present
>>>- fixes up file name and line number information
>>>- emits a "<orig_filename>-debug.ll" succinct IR file (without !dbg
>>>metadata
>>>or debug intrinsics) that can be read by a debugger
>>>
>>>Part #4: DebugIR tests -- lit tests for the line number transform
>>>- simple one-function case
>>>- function-calling case
>>>- external function calling case
>>>- exception throwing case
>>>- vector case
>>>- O3 (vector) case
>>>
>>>
>>>
>>>
>>>From: Chandler Carruth
>>><chandlerc at google.com<mailto:chandlerc at google.com>>
>>>Date: Monday, 15 April, 2013 4:29 AM
>>>To: Stefanus Du Toit
>>><stefanus.du.toit at intel.com<mailto:stefanus.du.toit at intel.com>>
>>>Cc: Nadav Rotem <nrotem at apple.com<mailto:nrotem at apple.com>>, Daniel Malea
>>><daniel.malea at intel.com<mailto:daniel.malea at intel.com>>,
>>>"llvm-commits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu>"
>>><llvm-commits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu>>
>>>Subject: Re: [PATCH] Debugging LLVM IR with LLDB (and gdb)
>>>
>>>On Mon, Apr 15, 2013 at 1:21 AM, Du Toit, Stefanus
>>><stefanus.du.toit at intel.com<mailto:stefanus.du.toit at intel.com>> wrote:
>>>The link to the patch is at the bottom of the email.
>>>
>>>As usual, please attach the patch to the email. The best way when using
>>>Phabricator (as we documented) is to add the commits list to the review
>>>there so that everyone on the mailing list can follow the code review and
>>>participate even if not using the specific tool.
>>>
>>>
>>>--
>>>Stefanus Du Toit
>>><stefanus.du.toit at intel.com<mailto:stefanus.du.toit at intel.com>>
>>>Intel Waterloo
>>>Phone: 519-591-1738<tel:519-591-1738>
>>>
>>>
>>>From: Nadav Rotem
>>><nrotem at apple.com<mailto:nrotem at apple.com><mailto:nrotem at apple.com<mailto
>>>:
>>>nrotem at apple.com>>>
>>>Date: Sunday, 14 April, 2013 4:00 AM
>>>To: Daniel Malea
>>><daniel.malea at intel.com<mailto:daniel.malea at intel.com><mailto:daniel.male
>>>a
>>>@intel.com<mailto:daniel.malea at intel.com>>>
>>>Cc:
>>>"llvm-commits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu><mailto:llvm-co
>>>m
>>>mits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu>>"
>>><llvm-commits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu><mailto:llvm-co
>>>m
>>>mits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu>>>
>>>Subject: Re: [PATCH] Debugging LLVM IR with LLDB (and gdb)
>>>
>>>Hi Daniel,
>>>
>>>You forgot to attache the patch.
>>>
>>>Thanks,
>>>Nadav
>>>
>>>On Apr 11, 2013, at 1:53 PM, "Malea, Daniel"
>>><daniel.malea at intel.com<mailto:daniel.malea at intel.com><mailto:daniel.male
>>>a
>>>@intel.com<mailto:daniel.malea at intel.com>>> wrote:
>>>
>>>[Š]
>>>I'd be appreciative of testing and/or review comments! The patch is
>>>available on phabricator http://llvm-reviews.chandlerc.com/D659and the
>>>details from the review request follow.
>>>
>>>
>>>_______________________________________________
>>>llvm-commits mailing list
>>>llvm-commits at cs.uiuc.edu<mailto:llvm-commits at cs.uiuc.edu>
>>>http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>
>>
>