[Mlir-commits] [mlir] [mlir][sparse] introduce `sparse_tensor.iterate` operation (PR #88955)

[Aart Bik]

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@@ -1513,6 +1515,103 @@ def ExtractIterSpaceOp : SparseTensor_Op<"extract_iteration_space",
   let hasVerifier = 1;
 }
 
+def IterateOp : SparseTensor_Op<"iterate",
+    [RecursiveMemoryEffects, RecursivelySpeculatable,
+     DeclareOpInterfaceMethods<LoopLikeOpInterface,
+      ["getInitsMutable", "getLoopResults", "getRegionIterArgs",
+       "getYieldedValuesMutable"]>,
+     DeclareOpInterfaceMethods<RegionBranchOpInterface,
+      ["getEntrySuccessorOperands"]>,
+     SingleBlockImplicitTerminator<"sparse_tensor::YieldOp">]> {
+
+  let summary = "Iterate over a sparse iteration space";
+  let description = [{
+      The `sparse_tensor.iterate` operations represents a loop over the
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aartbik wrote:

loop (nest)   since it could be more than one?

https://github.com/llvm/llvm-project/pull/88955