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[AMDGPU] Split R600 and GCN bfi patterns

Authored by foad on Sep 24 2020, 10:03 AM.



This is in preparation for making the GCN patterns divergence-aware.

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foad created this revision.Sep 24 2020, 10:03 AM
foad requested review of this revision.Sep 24 2020, 10:03 AM
arsenm accepted this revision.Sep 24 2020, 10:05 AM

LGTM, I've been meaning to do this. I do think some of these should be moved to combines and are missing hasOneUse checks though


Maybe add a comment for the fcopysign cases that we don't want to import them for globalisel

This revision is now accepted and ready to land.Sep 24 2020, 10:05 AM
foad edited the summary of this revision. (Show Details)Sep 25 2020, 8:14 AM
This revision was automatically updated to reflect the committed changes.