[LLVMdev] Emit only one function of the module to native code

[Christophe Duvernois]

Thanks i will look into it.
Le 20 nov. 2012 08:47, "Duncan Sands" <baldrick at free.fr> a écrit :

> On 19/11/12 22:31, Christophe Duvernois wrote:
>
>> Ok thanks,
>> I thought there was a more direct way to do it...
>>
>
> I think this is supposed to be possible.  llvm-gcc had logic for emitting
> code
> for each function immediately after generating it, but it was ifdef'd out
> with
> the remark that it was buggy.  You might want to take a look at how
> llvm-gcc
> was trying to do it.  Since no-one is actually doing this kind of thing
> AFAIK,
> it is likely that you will hit some bugs in the code generators even if
> your
> approach is valid.
>
> Ciao, Duncan.
>
>
>> 2012/11/19 Eric Christopher <echristo at gmail.com <mailto:
>> echristo at gmail.com>>
>>
>>     llvm-extract and then llc?
>>
>>     -eric
>>
>>
>>     On Mon, Nov 19, 2012 at 10:25 AM, Christophe Duvernois
>>     <christophe.duvernois at gmail.**com <christophe.duvernois at gmail.com><mailto:
>> christophe.duvernois@**gmail.com <christophe.duvernois at gmail.com>>>
>> wrote:
>>
>>         Hi
>>
>>         I use llvm-3.1. I have a large module and i want to emit native
>> code (or
>>         assembly) for one function.
>>
>>         I tried to replace the PassManager in llc by a
>> FunctionPassManager but I
>>         have a crash so this is probably not the good way to do it. (cf
>> attached
>>         my simple test)
>>
>>         Is it possible to write one function from the module? What is the
>> good
>>         way to do it?
>>
>>         Thanks in advance.
>>
>>         Christophe
>>
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