[Mlir-commits] [mlir] [mlir][SCF] Deprecate `linalg::tileToForallOp` and `linalg::tileToForallOpUsingTileSizes` (PR #91878)

[Quinn Dawkins]

================
@@ -44,7 +46,27 @@ struct SCFTilingOptions {
   /// Convenience function to set the `tileSizeComputationFunction` to a
   /// function that computes tile sizes at the point they are needed. Allows
   /// proper interaction with folding.
-  SCFTilingOptions &setTileSizes(ArrayRef<OpFoldResult> ts);
+  SCFTilingOptions &setTileSizes(ArrayRef<OpFoldResult> tileSizes);
+
+  /// Computation function that returns the number of threads to use for
+  /// each loop. Returning a num threads of zero implies no tiling for that
+  /// loop. If the size of the returned vector is smaller than the number of
+  /// loops, the inner loops are not tiled. If the size of the returned vector
+  /// is larger, then the vector is truncated to number of loops. Note: This
+  /// option is only supported with loopType set to `LoopType::ForallOp`. If the
+  /// tile size function is not specified while the num threads computation is,
+  /// then the tile size is determined automatically to map at most one tile per
+  /// thread.
+  SCFTileSizeComputationFunction numThreadsComputationFunction = nullptr;
+
+  SCFTilingOptions &
+  setNumThreadsComputationFunction(SCFTileSizeComputationFunction fun) {
+    numThreadsComputationFunction = std::move(fun);
+    return *this;
+  }
+  /// Convenience function to set the `tileSizeComputationFunction` to a
+  /// function that computes tile sizes at the point they are needed.
----------------
qedawkins wrote:

nit:
```suggestion
  /// Convenience function to set the `numThreadsComputationFunction` to a
  /// function that computes num threads sizes at the point they are needed.
```

https://github.com/llvm/llvm-project/pull/91878