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

[Peiming Liu]

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@@ -41,6 +45,40 @@ using Level = uint64_t;
 /// including the value `ShapedType::kDynamic` (for shapes).
 using Size = int64_t;
 
+/// A simple wrapper to encode a bitset of defined  (at most 64) levels.
+class LevelSet {
+  uint64_t bits = 0;
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PeimingLiu wrote:

I do need to update the value in-place.

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