[llvm-dev] Saving private DebugInfo

[Mehdi Amini via llvm-dev]

Can you submit a patch?

Thanks,

— 
Mehdi

> On Dec 5, 2016, at 12:12 PM, Dmitriy Matveev <dmitriy.g.matveev at gmail.com> wrote:
> 
> any chance to get an opinion for this?
> 
> On 25 November 2016 at 01:31, Mehdi Amini <mehdi.amini at apple.com <mailto:mehdi.amini at apple.com>> wrote:
> I’ve been in need of a cl::opt to control this behavior and force preserving debug info, it would be useful for testing at least. That wouldn’t be a "first class” API though.
> 
> CC Adrian for his opinion.
> 
> — 
> Mehdi
> 
>> On Nov 24, 2016, at 2:25 PM, Dmitriy Matveev via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>> 
>> Hi all,
>> 
>> Sometimes llvm::UpgradeDebugInfo <http://llvm.org/docs/doxygen/html/namespacellvm.html#ad3c29183c5faa7f5a352807af8aca268> drops debug info which is pretty compatible with recent llvm version ( http://stackoverflow.com/questions/27023713/missing-debug-metadata-in-llvm-after-xcode-update <http://stackoverflow.com/questions/27023713/missing-debug-metadata-in-llvm-after-xcode-update> ) and sometimes it drops something really outdated, but acceptable for me. In both cases I want to keep it, but AFAIK there is no API for this.
>> 
>> I've tried to strip libLLVMCore from that method and it forked for me just fine, but something has changed in llvm 3.9 and now I can't link with against hacked libLLVMCore. ( https://travis-ci.org/okutane/sanity/jobs/169662912 <https://travis-ci.org/okutane/sanity/jobs/169662912> line 979 )
>> 
>> What can I do? The best solution for me would be "configuration" of how LLVMParseIRInContext deals with "outdated" debug info, but I'm open to any workarounds. :D
>> 
>> Best regards, Dmitry.
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> 

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