[LLVMdev] Creating a global variable in JIT context

[Garrison Venn]

You have not specified/attached the module. 

Use: 

GlobalVariable::GlobalVariable (Module &, const Type *, bool, LinkageTypes, Constant *, const Twine &, GlobalVariable*InsertBefore=0, bool ThreadLocal=false, unsigned AddressSpace=0)

as described in:

http://llvm.org/doxygen/classllvm_1_1GlobalVariable.html

Garrison

On Feb 16, 2010, at 6:26, Russell Wallace wrote:

> I'm trying to create a global variable initialized to zero, and return
> its value from a newly created function, in JIT context. I'm keeping
> all types as i32 for the moment, and I only have the one module
> object.
> 
> This is the code I have for creating the global variable:
> 
> 	const Type *type = Type::getInt32Ty(getGlobalContext());
> //	Constant *zerov = Constant::getNullValue(type);
> 	Constant *zerov = Constant::getIntegerValue(type, APInt(32, 0));
> 	V = new GlobalVariable(getGlobalContext(), type, 0,
> GlobalValue::PrivateLinkage, zerov, name);
> 
> And these are the error messages given by verifyFunction:
> 
> Function return type does not match operand type of return inst!
>  ret i32* @x i32Referencing global in another module!
>  ret i32* @xBroken module found, compilation aborted!
> 
> Any idea of what I might be doing wrong? Is this the right way to be
> going about it in the first place?
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