[llvm-dev] The move to ORC - is IR generation unchanged?

Mehdi AMINI via llvm-dev llvm-dev at lists.llvm.org
Thu May 9 20:46:15 PDT 2019

On Thu, May 9, 2019 at 8:32 PM Russell Wallace via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> With regard to using LLVM to implement a JIT compiler,
> This can be considered to consist of two stages, first generating
> intermediate code in SSA form and second JIT-compiling it to machine code.
> The JIT API has undergone large changes in recent years with the move to
> ORC.
> Do I understand correctly that this only affects the second stage? So when
> I look at the Kaleidoscope tutorial, e.g. chapter 3
> https://llvm.org/docs/tutorial/LangImpl03.html which is one of the
> chapters acknowledged to have been not yet updated, the example code for
> the first stage, generating intermediate code, starts with
> static LLVMContext TheContext;
> static IRBuilder<> Builder(TheContext);
> static std::unique_ptr<Module> TheModule;
> static std::map<std::string, Value *> NamedValues;
> Is this still considered to be correct, unaffected by the move to ORC?

Yes, this is correct.

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