[Mlir-commits] [mlir] [MLIR][LLVM] Reject distinct generic metadata on import (PR #212455)

[Tobias Gysi]

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@@ -181,6 +181,8 @@ static Attribute convertMetadataToAttrImpl(
     return MDFuncAttr::get(ctx, FlatSymbolRefAttr::get(ctx, fn->getName()));
   }
   if (auto *node = dyn_cast<llvm::MDNode>(md)) {
+    if (node->isDistinct())
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gysit wrote:

nit: maybe add a short comment that we bail out since we cannot preserve the distinctness of the metadata. 

https://github.com/llvm/llvm-project/pull/212455