[llvm-dev] DWARF Fission + ThinLTO

[Rafael Avila de Espindola via llvm-dev]

David Blaikie via llvm-dev <llvm-dev at lists.llvm.org> writes:

> So Dehao and I have been dealing with some of the nitty gritty details of
> debug info with ThinLTO, specifically with Fission(Split DWARF).
>
> This applies to LTO as well, so I won't single out ThinLTO here.

When are the .dwo files produced? If at link time, what is the advantage
of using fission? Normally the advantage is the faster link, but if it
is the linker producing them, what is left?

Cheers,
Rafael