[Mlir-commits] [mlir] [mlir][sparse] Populate lvlToDim (PR #68937)

[Aart Bik]

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@@ -749,6 +748,71 @@ mlir::sparse_tensor::getSparseTensorEncoding(Type type) {
   return nullptr;
 }
 
+AffineMap mlir::sparse_tensor::inferLvlToDim(AffineMap dimToLvl,
+                                             MLIRContext *context) {
+  auto map = static_cast<AffineMap>(dimToLvl);
+  AffineMap lvlToDim;
+  // TODO: support ELL instead of returning an empty lvlToDim.
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aartbik wrote:

This is too specific. Just document this method as returning an empty lvlToDim when inference is not successfull

https://github.com/llvm/llvm-project/pull/68937