[PATCH] D97064: [SCEV] Infer known bits from known sign bits

Wed Mar 3 09:29:30 PST 2021

reames added a comment.

In D97064#2600631 <https://reviews.llvm.org/D97064#2600631>, @lebedev.ri wrote:

> In D97064#2600628 <https://reviews.llvm.org/D97064#2600628>, @reames wrote:
>
>> @lebedev.ri, poke
>
> I'm not really surprised that it doesn't affect any tests, but does it affect any code out there?
> If you can pinpoint some original source file that produces different final .ll/.s, a test case can be reduced trivially.

I'm doing this only because you asked for it.  If you're not interested in seeing it land, let me know and I'll abandon the patch.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97064/new/

https://reviews.llvm.org/D97064