On Thu, Jun 5, 2008 at 5:57 AM, Jan Hubicka <[EMAIL PROTECTED]> wrote:
>> Jan Hubicka wrote:
>>
>> >Sure if it works, we should be lowering the types during gimplification
>> >so we don't need to store all this in memory...
>> >But C++ FE still use its local data later in stuff like thunks, but we
>> >will need to cgraphize them anyway.
>>
>> I agree. The only use of language-specific DECLs and TYPEs after
>> gimplification should be for generating debug information. And if
>> that's already been done, then you shouldn't need it at all.
>
> For LTO with debug info we will probably need some frontend neutral
> debug info representaiton in longer run, since optimization modifying
> the data types and such will need to compensate.
>
> We can translate stuff to in-memory dwarf and update it but that would
> limit amount of debug info format we will want to support probably.
DWARF is not exactly memory or space efficient, sadly.
Then again, what most other compilers have done is bite the bullet
and define their own "debug info" data, then transform that to dwarf2
at the very end.
I"m not sure we want to do that either :(
