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

Quentin Colombet via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 30 11:58:23 PST 2017

> 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.

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