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[TTI] Add supportsScalableVectors target hook

Authored by c-rhodes on Dec 10 2020, 12:51 PM.



This is split off from D91718 and adds a new target hook
supportsScalableVectors that can be queried to check if scalable vectors
are supported by the backend. For AArch64 this returns true if SVE is

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Event Timeline

c-rhodes created this revision.Dec 10 2020, 12:51 PM
c-rhodes requested review of this revision.Dec 10 2020, 12:51 PM
Herald added a project: Restricted Project. · View Herald TranscriptDec 10 2020, 12:51 PM
david-arm accepted this revision.Dec 17 2020, 5:10 AM
david-arm added a subscriber: david-arm.


This revision is now accepted and ready to land.Dec 17 2020, 5:10 AM
This revision was landed with ongoing or failed builds.Dec 18 2020, 2:59 AM
This revision was automatically updated to reflect the committed changes.