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[AMDGPU] Always lower SHUFFLE_VECTOR
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Authored by Pierre-vh on Sep 30 2022, 7:56 AM.

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Summary

Make it illegal, remove InstructionSelector logic for it

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Event Timeline

Pierre-vh created this revision.Sep 30 2022, 7:56 AM
Herald added a project: Restricted Project. · View Herald TranscriptSep 30 2022, 7:56 AM
Pierre-vh requested review of this revision.Sep 30 2022, 7:56 AM
Herald added a project: Restricted Project. · View Herald TranscriptSep 30 2022, 7:56 AM
arsenm accepted this revision.Sep 30 2022, 8:02 AM
arsenm added inline comments.
llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
3292–3293

Should just delete this

llvm/lib/Target/AMDGPU/SIInstructions.td
1989–1991 ↗(On Diff #464281)

Overlap with D134463

This revision is now accepted and ready to land.Sep 30 2022, 8:02 AM
Pierre-vh edited the summary of this revision. (Show Details)Oct 4 2022, 12:03 AM
Pierre-vh updated this revision to Diff 464922.Oct 4 2022, 2:19 AM
Pierre-vh marked an inline comment as done.
Pierre-vh edited the summary of this revision. (Show Details)

Rebase on trunk

This revision was automatically updated to reflect the committed changes.