yaxunl added a comment. can you try compile an empty HIP kernel and see what metadata is generated by backend?
If I remember correctly, backend generates kernel arg metadata based on the number of implicit kernel args. It knows how to handle 48 but I am not sure what will happen if it becomes 56. Repository: rC Clang CHANGES SINCE LAST ACTION https://reviews.llvm.org/D63756/new/ https://reviews.llvm.org/D63756 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits