[PATCH] [AArch64] Select lower sub, abs pattern to sabd on AArch64

[James Molloy]

Hi Karthik,

This also looks fine to me. As I mentioned on your previous Phab revision, I'd have written the testcase using function parameters rather than globals as it's a little easier to read. Perhaps that'd be worth thinking about for future revisions.

LGTM.

James


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