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[mlir][vector][NFC] Add deprecation notice to splat's .td #149532

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Jul 21, 2025
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[mlir][vector][NFC] Add deprecation notice to splat's .td #149532

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9 changes: 9 additions & 0 deletions mlir/include/mlir/Dialect/Vector/IR/VectorOps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -2919,6 +2919,8 @@ def Vector_SplatOp : Vector_Op<"splat", [
]> {
let summary = "vector splat or broadcast operation";
let description = [{
Note: This operation is deprecated. Please use vector.broadcast.

Broadcast the operand to all elements of the result vector. The type of the
operand must match the element type of the vector type.

Expand All @@ -2928,6 +2930,13 @@ def Vector_SplatOp : Vector_Op<"splat", [
%s = arith.constant 10.1 : f32
%t = vector.splat %s : vector<8x16xf32>
```

This operation is deprecated, the preferred representation of the above is:

```mlir
%s = arith.constant 10.1 : f32
%t = vector.broadcast %s : f32 to vector<8x16xf32>
```
}];

let arguments = (ins AnyType:$input);
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