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

Tim Northover via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 30 11:57:02 PST 2017


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).

Tim.


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