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[mlir][sparse] add example to new operation doc, and roundtrip test #85711

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Mar 19, 2024
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[mlir][sparse] add example to new operation doc, and roundtrip test #85711

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16 changes: 13 additions & 3 deletions mlir/include/mlir/Dialect/SparseTensor/IR/SparseTensorOps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1444,9 +1444,19 @@ def SparseTensor_HasRuntimeLibraryOp
: SparseTensor_Op<"has_runtime_library", []>, Results<(outs I1:$result)> {
string summary = "Indicates whether running in runtime/codegen mode";
string description = [{
Returns a boolean value that indicates whether the sparse compiler runs in
runtime library mode or not. For testing only: This op is useful for writing
test cases that require different IR depending on runtime/codegen mode.
Returns a boolean value that indicates whether the sparsifier runs in
runtime library mode or not. For testing only! This operation is useful
for writing test cases that require different code depending on
runtime/codegen mode.

Example:

```mlir
%has_runtime = sparse_tensor.has_runtime_library
scf.if %has_runtime {
...
}
```
}];
let assemblyFormat = "attr-dict";
}
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10 changes: 10 additions & 0 deletions mlir/test/Dialect/SparseTensor/roundtrip.mlir
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Expand Up @@ -728,3 +728,13 @@ func.func @sparse_print(%arg0: tensor<10x10xf64, #CSR>) {
sparse_tensor.print %arg0 : tensor<10x10xf64, #CSR>
return
}

// -----

// CHECK-LABEL: func.func @sparse_has_runtime() -> i1
// CHECK: %[[H:.*]] = sparse_tensor.has_runtime_library
// CHECK: return %[[H]] : i1
func.func @sparse_has_runtime() -> i1 {
%has_runtime = sparse_tensor.has_runtime_library
return %has_runtime : i1
}