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This is sometimes useful when performing analyses on the generated machine code: for example, some kinds of code verifiers will want to do a control-flow analysis, and it is much easier to do this if one does not have to recover the CFG from the machine code (doing so requires heavyweight analysis when indirect branches are involved). If one trusts the control-flow lowering and only needs to verify other properties of the code, this can be very useful.
This crate contains the core Cranelift code generator. It translates code from an intermediate representation into executable machine code.