Examples of the above: add entry point to construct an OpaqueClosure from pre-optimized IRCode by JeffBezanson · Pull Request #44197 · JuliaLang/julia · GitHub, IRTools.jl/utils.jl at 215bf1b61811bb5ee2379731f3251eb652d59c32 · FluxML/IRTools.jl · GitHub. This is not a value judgement of whether it should be done outside of Base, but it absolutely is being done in the wild underneath unsuspecting production code.
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here is an example of how we do it in GPUCompiler style in 1.6: https://github.com/QuantumBFS/YaoCompiler.jl/tree/master/src/codegen I haven’t got time to update it to latest GPUCompiler, but I think the latest GPUCompiler doesn’t need these patches anymore
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