[PATCH] D92270: [ConstantFold] Fold more operations to poison

Mikael Holmén via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 30 06:09:54 PST 2020


uabelho added a comment.

In D92270#2422741 <https://reviews.llvm.org/D92270#2422741>, @aqjune wrote:

> In D92270#2422661 <https://reviews.llvm.org/D92270#2422661>, @uabelho wrote:
>
>> Should langref also be updated to describe this? Or does it already?
>> I just found this
>>  "An instruction that depends on a poison value, produces a poison value itself."
>> here
>>  http://llvm.org/docs/LangRef.html#poison-values
>
> I think "Values other than phi nodes and select instructions depend on their operands." was supposed to say that. :)

I see. Ok, thanks!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92270/new/

https://reviews.llvm.org/D92270



More information about the llvm-commits mailing list