[Mlir-commits] [mlir] [mlir][vector] Handle corner cases in DropUnitDimsFromTransposeOp. (PR #102518)

[Andrzej Warzyński]

================
@@ -737,6 +737,18 @@ func.func @transpose_with_scalable_unit_dims(%vec: vector<[1]x1x2x4x1xf32>) -> v
 
 // -----
 
+func.func @transpose_with_all_unit_dims(%vec: vector<1x1x1xf32>) -> vector<1x1x1xf32> {
+  %res = vector.transpose %vec, [0, 2, 1] : vector<1x1x1xf32> to vector<1x1x1xf32>
+  return %res : vector<1x1x1xf32>
+}
+// The `vec` is returned because there are other flattening patterns fold
+// vector.shape_cast ops away.
----------------
banach-space wrote:

[nit] 
```suggestion
// The `vec` is returned because there are other flattening patterns that fold
// vector.shape_cast ops away.
```

https://github.com/llvm/llvm-project/pull/102518