[LLVMdev] get value

[Nick Lewycky]

Alexandru Ionut Diaconescu wrote:
> Hi Cristianno,
>
> Thank you, it works :)
>
> with an extra cast:
> Value *v ......
> ConstantInt* RR = (ConstantInt *)v;

Please use "cast<ConstantInt>(v)" instead. See 
http://llvm.org/docs/ProgrammersManual.html#the-isa-cast-and-dyn-cast-templates 
.

Nick

> uint64_t VV = (RR->getValue()).getLimitedValue();
> errs()<<"\nRR "<<VV<<"\n";
>
>
> *From:* Cristianno Martins <cristiannomartins at gmail.com>
> *To:* Alexandru Ionut Diaconescu <cyrusthevirus001x at yahoo.com>
> *Cc:* "llvmdev at cs.uiuc.edu" <llvmdev at cs.uiuc.edu>
> *Sent:* Tuesday, June 25, 2013 12:27 PM
> *Subject:* Re: [LLVMdev] get value
>
> Hi Alexandru,
>
> if you have a Value pointer named v, you could use the method
> v->getValue().getLimitedValue(), which returns uint64_t, that can be
> casted as int.
>
> Hope I could help,
>
>
> --
> Cristianno Martins
> PhD Student of Computer Science
> University of Campinas
> cmartins at ic.unicamp.br <mailto:cmartins at ic.unicamp.br>
> <mailto:cristiannomartins at hotmail.com>
>
>
> On Tue, Jun 25, 2013 at 4:05 AM, Alexandru Ionut Diaconescu
> <cyrusthevirus001x at yahoo.com <mailto:cyrusthevirus001x at yahoo.com>> wrote:
>
>     Hello !
>
>     This may be a trivial question, but I cannot get fields from a Value
>     type.
>
>     If my Value is i32 1, how can I store 1 in a different structure (an
>     integer) ? For the type, I have getType(). For the value, I see no
>     method in Value.h.
>
>     I tried to cast to ConstantExpr and then to get operands, or cast to
>     ConstantDataArray and then use getAsString(), but is not working.
>     How should I get the value?
>
>     Thank you !
>
>
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