[llvm-dev] [cfe-users] How to handle debug information not in source/How do I handle the error 'inlinable function call in a function with debug info must have a !dbg location'

[Adrian Prantl via llvm-dev]

> On Apr 18, 2018, at 3:28 PM, Duncan P. N. Exon Smith <dexonsmith at apple.com> wrote:
> 
> +llvm-dev, Adrian
> bcc:cfe-users
> 
>> On Apr 18, 2018, at 14:20, Levo DeLellis via cfe-users <cfe-users at lists.llvm.org> wrote:
>> 
>> I'm having an issue with the error "inlinable function call in a function with debug info must have a !dbg location"
>> 
>> My language will automatically call a destructor for you. LLVM is forcing me to use give it debug information. I try to with DILocation however scope is mandatory field. However since the destructor is generated it doesn't exist in source. So when I try making DISubprogram for the scope I need to give it invalid lines.
>> 
>> What's the best way to handle debugging information that doesn't exist in source?

DWARF reserves line number 0 for exactly this purpose. You can check out how/when clang uses ApplyDebugLocation::CreateArtificial() for some examples.

-- adrian

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