[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 11:50:25 PST 2017

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.


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