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

[Tim Northover via llvm-commits]

On 30 Jan 2017, at 11:48, Quentin Colombet <qcolombet at apple.com> wrote:
> My problem is not with unused register, it is with unused register without register class.
> After ISel everything should have a register class otherwise that means that the instruction hasn’t been selected.

Has a non-existent instruction been selected, or not? Who can say.

Tim.