[Mlir-commits] [mlir] [mlir][sparse] implement lowering rules for IterateOp. (PR #95286)

[Aart Bik]

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@@ -57,10 +70,113 @@ class ExtractIterSpaceConverter
   }
 };
 
+class SparseIterateOpConverter : public OneToNOpConversionPattern<IterateOp> {
+public:
+  using OneToNOpConversionPattern::OneToNOpConversionPattern;
+  LogicalResult
+  matchAndRewrite(IterateOp op, OpAdaptor adaptor,
+                  OneToNPatternRewriter &rewriter) const override {
+    if (!op.getCrdUsedLvls().empty())
+      llvm_unreachable("Not implemented.");
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aartbik wrote:

or, return failure() with message? or do you really want to hard-stop?

https://github.com/llvm/llvm-project/pull/95286