[Mosaic GPU] Implement canonicalization for TiledLayouts.
#29512
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Layout canonicalization gets rid of unnecessary tiles and dimensions in `Tiling`s---such that (1) any tiling operation partitions at least one dimension into more than `1` tile, and (2) any tiling operation does not introduce intermediate dimensions of size `1`. Canonicalization allows simplifying the definition of a few of our predefined layouts---`WGMMA`, `WGMMA_ROW`, `TCGEN05`, `TCGEN05_ROW`, and `TCGEN05_COL`. PiperOrigin-RevId: 772394274
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[Mosaic GPU] Implement canonicalization for
TiledLayouts.Layout canonicalization gets rid of unnecessary tiles and dimensions in
Tilings---such that (1) any tiling operation partitions at least onedimension into more than
1tile, and (2) any tiling operation does notintroduce intermediate dimensions of size
1.Canonicalization allows simplifying the definition of a few of our predefined
layouts---
WGMMA,WGMMA_ROW,TCGEN05,TCGEN05_ROW, andTCGEN05_COL.