[llvm] r293537 - GlobalISel: permit unused vregs without a register-class after ISel.

[Quentin Colombet via llvm-commits]

> On Jan 30, 2017, at 11:57 AM, Tim Northover <tnorthover at apple.com> wrote:
> 
> On 30 Jan 2017, at 11:55, Quentin Colombet <qcolombet at apple.com> wrote:
>> This is a vreg that is in the mappings but there are no instruction. I thought it was a vreg with a generic and dead definition.
>> 
>> That’s fine then, never mind me.
> 
> Phew, I was getting a bit worried there. Especially as I don't think you even *can* remove a vreg (the underlying info map is a SmallVector).

Probably not, sorry for the noise :P.


> 
> Tim.