[llvm-dev] LazyValueInfo vs ScalarEvolution

Hongbin Zheng via llvm-dev llvm-dev at lists.llvm.org
Mon Jul 24 14:43:42 PDT 2017

On Mon, Jul 24, 2017 at 2:29 PM, John Regehr via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> On 7/24/17 3:16 PM, Hongbin Zheng via llvm-dev wrote:
>> Thanks, maybe we could use ScalarEvolution in LazyValueInfo if it is
>> available?
> This should be fairly easy to try, if you want to propose a patch and run
> some experiments. The question is whether the benefit in terms of improved
> optimization power is worth the compile-time cost.


Also, the last time I looked, there seemed to be a fair amount of room for
> improvement in LVI and ConstantRange.

Could you point some out?


> John
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170724/c7446461/attachment.html>

More information about the llvm-dev mailing list