[LLVMdev] Embedding cpu and feature strings into IR and enabling switching subtarget on a per function basis

[Eric Christopher]

On Tue Jan 27 2015 at 12:31:20 AM Chandler Carruth <chandlerc at google.com>
wrote:

>
> On Mon, Jan 26, 2015 at 9:53 PM, Eric Christopher <echristo at gmail.com>
> wrote:
>
>> As I said in my first email perhaps the TTI->FTTI transition is a good
>> place to start working here without having to worry much about redoing huge
>> swaths of llvm.
>
>
> FWIW, TTI is next on my hit list for porting to the new pass manager. In
> order to work in that world, the entire thing needs to be simplified to not
> be an analysis group and it needs to be split into per-module TTI and
> per-function TTI. I'm working on this *right now*, but let me know if there
> is some other change you would like to see incorporated into this.
>

No, this sounds great. Another place to work right now that would see some
good code cleanup is the LTOCodeGeneration stuff. There's a use of the
subtarget there that's not going to be safe and so the entire thing around
accumulating and sorting all of the library calls needs to be rethought and
rewritten.

-eric
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150127/5bb1ca13/attachment.html>