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[FXML-5417] TileUsingInterface: drop unused extract_slice #432

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Merged
cferry-AMD merged 4 commits into from
Jan 6, 2025
Merged

[FXML-5417] TileUsingInterface: drop unused extract_slice #432

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644c4e9
TileUsingInterface: drop unused extract_slice
cferry-AMD Jan 3, 2025
4f4dd07
Add a test using transform op
cferry-AMD Jan 6, 2025
fa86c86
Remove unused constant
cferry-AMD Jan 6, 2025
3808d36
Merge remote-tracking branch 'origin/feature/fused-ops' into corentin…
cferry-AMD Jan 6, 2025
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6 changes: 6 additions & 0 deletions mlir/lib/Dialect/SCF/Transforms/TileUsingInterface.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1536,6 +1536,12 @@ mlir::scf::tileConsumerAndFuseProducersUsingSCF(
tiledAndFusedOps.insert(tiledAndFusedOp);
}

// Drop the extract_slice if it has been replaced by the tiled producer, and
// is no longer used.
if(worklistItem.candidateSlice->use_empty()) {
rewriter.eraseOp(worklistItem.candidateSlice);
}

if (failed(sliceTracker.insertAndApplyPatterns(worklistCandidates))) {
return rewriter.notifyMatchFailure(consumer, "cleanup patterns failed");
}
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