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Re:No Compiler – On LLVM, and writing software without a com... by pjmlp on Friday March 04, 2016 @08:10AM (#11223477)
> I should also mention that increasingly it's become popular to have a mid-level IR that you lower the AST to before lowering to LLVM IR.

I would say that is just mainstream compiler development catching up with how mainframes work.

The idea of using some form of IL that gets JIT or AOT compiled goes back to the mainframe years.

IBM i (aka OS/400) and Unisys Libra (aka Burroughs) are probably the best examples still alive.

Hence why Apple, Google and Microsoft ideas of distributing IL instead of pure native code in their OSes, isn't actually that new.

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