[LLVMdev] How to avoid memory leaks

[Anders Johnsen]

I think you need to call "llvm::Function::deleteBody() first"

On Tue, Mar 23, 2010 at 15:49, Reid Kleckner <rnk at mit.edu> wrote:
> On Tue, Mar 23, 2010 at 7:04 AM, Gabi <bugspynet at gmail.com> wrote:
>> Hi
>> I get huge memory leaks using LLVM IRBuilder (trunk version)
>>
>> Basically I recreate a function over and over again, and pretty sure
>> that my code doesn't cause the leak
>> while(true)
>> {
>>  Function *fn = module->getFunction(name);
>>    if (fn)
>>       fn->eraseFromParent();
>
> Err, shouldn't you delete fn here?  I'm pretty sure that this just
> removes the function from the module.

Doxygen says that:
"eraseFromParent - This method unlinks 'this' from the containing
module and deletes it."

so it should be fine just calling erase.

>
>>    fn =  cast<Function>(module->getOrInsertFunction(name, fnType));
>>    fillFunction(fn); //Fill function with some blocks and instructions..
>> }
>
> Reid
>
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- Anders