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[SVE][CodeGen] Extend index of masked gathers

Authored by kmclaughlin on Nov 13 2020, 8:49 AM.



This patch changes performMSCATTERCombine to also promote the indices of
masked gathers where the element type is i8 or i16, and adds various tests
for gathers with illegal types.

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kmclaughlin created this revision.Nov 13 2020, 8:49 AM
Herald added a project: Restricted Project. · View Herald TranscriptNov 13 2020, 8:49 AM
sdesmalen accepted this revision.Nov 24 2020, 3:28 AM



It would be good if you can see if such functionality can be moved to SelectionDAGBuilder where some target interface queries if the index needs to be extended. Doing this with a target DAG combine is fine for this patch I think.

This revision is now accepted and ready to land.Nov 24 2020, 3:28 AM
This revision was landed with ongoing or failed builds.Dec 10 2020, 5:55 AM
This revision was automatically updated to reflect the committed changes.