[llvm] r327898 - [DAG, X86] Revert r327197 "Revert r327170, r327171, r327172"

[Volkan Keles via llvm-commits]

Thanks, r328233 and r328287 fixed the issue.

Volkan

> On Mar 22, 2018, at 6:24 PM, Nirav Davé <niravd at google.com> wrote:
> 
> <facepalm>. I dropped a parentheses. invalidation should be bit-negation so -(x+1) not -x+1. 
> I'll land a fix presently. 
> 
> Also you should check out X86's / SystemZ's insertDAGNode at HEAD. I just landed a fix regarding inserting an invalidated node that already exists in there. You'll probably want to do the same for your target.
> 
> -Nirav
>