[PATCH] D11908: Clang support for -fthinlto.

[Teresa Johnson via cfe-commits]

On Fri, Oct 2, 2015 at 8:53 AM, Manuel Klimek <klimek at google.com> wrote:
> klimek added a comment.
>
> In http://reviews.llvm.org/D11908#258570, @tejohnson wrote:
>
>> Sorry for the duplicate - my previous response didn't go to Duncan or Mehdi for some reason. Trying again...
>>
>> In http://reviews.llvm.org/D11908#258540, @klimek wrote:
>>
>> > Perhaps "sharded" would fit what it is?
>>
>>
>> You could have a sharded mode for full FDO (like gcc's partitioned LTO). And we aren't really making any explicit sharding decisions, since the backends do importing on demand.
>>
>> As David mentioned, "inlineonly" is much too restrictive for what is possible. I prefer to stick with "thin" since it refers to this new model of keeping the whole program part very thin.
>>
>> Does anyone have an opinion on "full" vs "monolithic" vs something else for the traditional full/monolithic LTO?
>
>
> If "sharded" is not the right term, than "monolithic" doesn't seem like the right term, either, right?

Right, LLVM's "full" LTO could move to a partitioned/sharded model as
well. That is more of an implementation issue, not related to the
model.

>
> If "thin" basically refers to how much information is given to the lto steps (for which "thin" seems to be a good name actually), then "full" seems to be a good term for the, well, full information.

Ok, thanks. That echos my thinking.

Teresa

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> http://reviews.llvm.org/D11908
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-- 
Teresa Johnson | Software Engineer | tejohnson at google.com | 408-460-2413