[transform] Skip fusion roots with all zero tiles - #294
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Skips potential fusion root ops when there is no tiling to apply. This prevents hard failure due to assertion in upstream tile and fuse rewrite during attempt to tile with all zero tile sizes. Such tiling configuration can occur when tiling strategy disables unprofitable tiling dimensions which may zero out all tile sizes. Assisted-by: Claude
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Skips potential fusion root ops when there is no tiling to apply.
This prevents hard failure due to assertion in upstream tile and fuse rewrite during attempt to tile with all zero tile sizes. Such tiling configuration can occur when tiling strategy disables unprofitable tiling dimensions which may zero out all tile sizes.
Assisted-by: Claude