[PATCH] D17475: MachineCopyPropagation: Catch copies of the form A<-B;A<-B

[Quentin Colombet via llvm-commits]

That’ll work, though it should be a follow-up patch IMO.

Q.
> On Feb 25, 2016, at 11:41 AM, Geoff Berry <gberry at codeaurora.org> wrote:
> 
> gberry added a subscriber: gberry.
> gberry added a comment.
> 
> Couldn't you add a check for isConstantPhysReg() to handle the case Jun mentioned?
> 
> 
> Repository:
>  rL LLVM
> 
> http://reviews.llvm.org/D17475
> 
> 
>