[llvm-dev] About Error: Interpreter has not been linked in

[Aaron via llvm-dev]

Which header should be included specifically? I would like to know if there
is a better/proper way to fix it.

Aaron


On Thu, May 10, 2018 at 10:31 PM, mayuyu.io <admin at mayuyu.io> wrote:

> I believe the correct way is actually include the Interpreter’s header and
> the rest is handled automatically. Should be similar for MCJIT
>
> Zhang
>
> On 11 May 2018, at 05:21, Aaron via llvm-dev <llvm-dev at lists.llvm.org>
> wrote:
>
> Ok. I figured out. Following methods needs to be called. That fixed the
> issue.
>
> llvm::InitializeNativeTarget();
> LLVMInitializeNativeAsmPrinter();
> LLVMInitializeNativeAsmParser();
> LLVMLinkInMCJIT();
>
> Aaron
>
>
> On Thu, May 10, 2018 at 8:33 PM, Aaron <acraft at gmail.com> wrote:
>
>> Hello,
>>
>> When I try to create execution engine I do get "*Interpreter has not
>> been linked in.*" error and EngineBuilder returns NULL.
>>
>> Here is the line I use to create execution engine:
>>
>> auto executionEngine = llvm::EngineBuilder(std::move(
>> m_module)).setErrorStr(&error).create();
>>
>> Here are all headers I have included:
>>
>> #include "llvm/ADT/STLExtras.h"
>> #include "llvm/ExecutionEngine/ExecutionEngine.h"
>> #include "llvm/ExecutionEngine/GenericValue.h"
>> #include "llvm/IR/Argument.h"
>> #include "llvm/IR/BasicBlock.h"
>> #include "llvm/IR/Constants.h"
>> #include "llvm/IR/DerivedTypes.h"
>> #include "llvm/IR/Function.h"
>> #include "llvm/IR/IRBuilder.h"
>> #include "llvm/IR/Instructions.h"
>> #include "llvm/IR/LLVMContext.h"
>> #include "llvm/IR/Module.h"
>> #include "llvm/IR/Type.h"
>> #include "llvm/IR/Verifier.h"
>> #include "llvm/Support/Casting.h"
>> #include "llvm/Support/ManagedStatic.h"
>> #include "llvm/Support/TargetSelect.h"
>> #include "llvm/Support/raw_ostream.h"
>>
>>
>> And here is the simple IR code that I'm trying to JIT compile and execute
>> in memory:
>>
>> ; ModuleID = 'Program'
>> source_filename = "Program"
>>
>> define i32 @fib(i32) {
>> entry:
>>   %i = alloca i32
>>   store i32 %0, i32* %i
>>   ret i32* %i
>> }
>>
>>
>> Could someone please tell the reason and how I can resolve this?
>>
>> Thanks for helping!
>>
>> Best,
>>
>> Aaron
>>
>>
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