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AMDGPU: Fix verifier error on killed spill of partially undef register

Authored by arsenm on Wed, Oct 14, 4:31 PM.



This does unfortunately end up with extra waitcnts getting inserted
that were avoided before. Ideally we would avoid the spills of these
undef components in the first place.

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arsenm created this revision.Wed, Oct 14, 4:31 PM
Herald added a project: Restricted Project. · View Herald TranscriptWed, Oct 14, 4:31 PM
arsenm requested review of this revision.Wed, Oct 14, 4:31 PM
This revision is now accepted and ready to land.Wed, Oct 14, 4:44 PM