I haven't used it, but cranelift is also my first thought for this. If you want a stable interface though, I might use wasm on top of it via wasmtime. I'm not

I haven't used it, but cranelift is also my first thought for this. If you want a stable interface though, I might use wasm on top of it via wasmtime. I'm not sure how stable the API for wasmtime is, but at least the IR (wasm) is, and there's an ecosystem of tools around it. https://github.com/bytecodealliance/wasmtime https://github.com/bytecodealliance/wasmtime