[Mlir-commits] [mlir] [mlir][sparse] Add more tests and verification for n:m (PR #81186)

[Aart Bik]

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@@ -102,13 +106,17 @@ LvlTypeParser::parseStructure(AsmParser &parser,
   OptionalParseResult intValParseResult = parser.parseOptionalInteger(intVal);
   if (intValParseResult.has_value()) {
     if (failed(*intValParseResult)) {
-      parser.emitError(loc, "failed to parse block size");
+      parser.emitError(loc, "failed to parse structure size");
+      return failure();
+    }
+    if (intVal < 0) {
+      parser.emitError(loc, "expected structure size to be >= 0");
       return failure();
     }
     structure->push_back(intVal);
     return success();
   }
-  parser.emitError(loc, "expected valid integer for block size");
+  parser.emitError(loc, "expected valid integer for structure size");
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aartbik wrote:

structured

https://github.com/llvm/llvm-project/pull/81186