[llvm-dev] MCJIT versus Orc
Justin Bogner via llvm-dev
llvm-dev at lists.llvm.org
Tue Mar 29 16:19:42 PDT 2016
Russell Wallace via llvm-dev <llvm-dev at lists.llvm.org> writes:
> When writing a JIT compiler using LLVM, as I understand it, you can use two
> alternative APIs, MCJIT and Orc. The latter offers lazy compilation. Would
> it be accurate to say that if you want eager compilation - always compile
> an entire module upfront - you should use MCJIT?
My understanding is that Orc is strictly more flexible than MCJIT. You
can, in fact, exactly implement the MCJIT API using the Orc APIs.
I think the general advice is that MCJIT's a bit more mature and stable,
but you probably want Orc in new code unless you really need that
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