[llvm-dev] llvm-dev Digest, Vol 153, Issue 85

[George Rimar via llvm-dev]

>FWIW - selfhosting I did find that GDB wasn't able to find the source code
>for some functions when using LLD's gdb_index, so I've switched back to
>gold+gdb_index for now (given the performance problems you mentioned,
>sounds like I wasn't gaining much/anything in terms of link time by using
>lld anyway).
>
>On Thu, Mar 16, 2017 at 11:17 AM Rui Ueyama <ruiu at google.com> wrote:
>
>> I personally haven't tried gdb_index, and I don't know the quality of the
>> produced index. Most of the code was written by George.
>>
>> One thing I noticed about the feature (and filed as
>> http://bugs.llvm.org/show_bug.cgi?id=32228) is that our gdb_index feature
>> is much slower than the gold. Apparently there's room for improvement.

I also do not have information about quality of index. At simple tests output was
equal to what gold produced for me.

I plan to start woring on PR32228 at next week, hope will be able to solve perfomance
problems and may be it will reveal more details about index quality.

George.