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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  \subsection{Abstract}  \osrkit\ is a library that enables On-Stack Replacement (OSR) at arbitrary places in LLVM IR code. The artifact is designed to explore how \osrkit\ can instrument IR code to support OSR transitions in the LLVM MCJIT runtime environment. A running example is presented based on the \texttt{isord} case study discussed in Section 3. We also support repeating all the  experimentsQ1, Q2, and Q3  presented in Section 5. The artifact includes an interactive VM called \tinyvm\ for loading, inspecting, instrumenting, and executing IR code. The package is a preconfigured Oracle VirtualBox VM. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%