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2018 Jan 04
0
Canonical way to handle zero registers?
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2018 Jan 04
2
Canonical way to handle zero registers?
On Tue, Jan 2, 2018 at 8:28 AM, Daniel Sanders <daniel_l_sanders at apple.com>
wrote:
> Hi Sean,
>
> Just to give the GlobalISel perspective on this,
Thanks for chiming in!
> GlobalISel supports the declaration of a zero register in the register
> class like so:
> def GPR32z : RegisterOperand<GPR32> {
> let GIZeroRegister = WZR;
>