[LLVMdev] Do all the debug nodes in LLVM IR also compiles to DWARF?

[Eric Christopher]

On Thu, Jun 18, 2015 at 12:09 PM David Blaikie <dblaikie at gmail.com> wrote:

> On Thu, Jun 18, 2015 at 11:19 AM, Riyad Parvez <riyad.parvez at uwaterloo.ca>
> wrote:
>
>> Hi
>>
>> As the title says, are all the debug nodes of LLVM IR avaialble in DWARF?
>>
>
> Yes (we haven't supported any other debug info formats - so anything in
> the LLVM IR is there so we can produce DWARF)
>
>

Technically we have a bit of codeview support in the tree :)

Line table mostly, but it is there.

-eric


> If I add a new custom MDNode in LLVM IR, can I expect the debug data will
>> be available in DWARF in the binary if I compile in debug mode?
>>
>
> No - the DWARF generation from metadata is all special cased, not a
> generic walk of nodes to DWARF.
>
>
>>
>> Thanks
>> Riyad
>>
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