Han-Chung Wang eaabd762bd
Revert "[MLIR][Vector] Generalize DropUnitDimFromElementwiseOps to non leading / trailing dimensions." (#97652)
Reverts llvm/llvm-project#92934 because it breaks some lowering. To
repro: `mlir-opt -test-vector-transfer-flatten-patterns ~/repro.mlir`

```mlir
func.func @unit_dim_folding(%arg0: vector<1x1xf32>) -> vector<1x1xf32> {
  %cst = arith.constant dense<0.000000e+00> : vector<1x1xf32>
  %0 = arith.mulf %arg0, %cst : vector<1x1xf32>
  return %0 : vector<1x1xf32>
}
```
2024-07-03 16:03:41 -07:00
..