[LLVMdev] Transferring value* in LLVM

[Yakov Malinkovich]

Here is the error that I get:
Assertion failed: (i >= FTy->getNumParams() || FTy->getParamType(i) ==
Params[i]->getType()) && "Calling a function with a bad signature!"
Yakov


On Mon, Nov 14, 2011 at 9:05 PM, Eric Christopher <echristo at apple.com>wrote:

> You'll probably need to dump both the source and the dest and show the
> code that's being generated. A lot of guessing here that's not getting us
> very far very fast.
>
> -eric
>
>
> On Nov 14, 2011, at 10:56 AM, Yakov Malinkovich wrote:
>
> yes - i checked that the src->getType()->isFloatTy() is true
> Yakov
>
>
> On Mon, Nov 14, 2011 at 8:24 PM, Duncan Sands <baldrick at free.fr> wrote:
>
>> On 14/11/11 19:20, Yakov Malinkovich wrote:
>>
>>> I sure that is.
>>>
>>
>> Did you test it?  Can you do: src->getType()->isFloatTy()
>>
>>
>> What could be other reasons for such error?
>>
>> The only other possibility I can think of is that src was created
>> using a different context.
>>
>> Ciao, Duncan.
>>
>>  Yakov
>>>
>>>
>>> On Mon, Nov 14, 2011 at 5:44 PM, Duncan Sands <baldrick at free.fr
>>> <mailto:baldrick at free.fr>> wrote:
>>>
>>>    On 14/11/11 16:39, Yakov Malinkovich wrote:
>>>
>>>        It doesnt work it fails with assertation that cast is invalid
>>> .What
>>>        could be done?
>>>
>>>
>>>    Maybe src doesn't have Float type?
>>>
>>>    Ciao, Duncan.
>>>
>>>
>>>
>>>
>>>        On 11/14/11, Duncan Sands<baldrick at free.fr <mailto:
>>> baldrick at free.fr>>
>>>
>>>          wrote:
>>>
>>>            Hi Yakov, that looks correct to me.  You can also use
>>> CreateFPExt
>>>            which is
>>>            slightly simpler.
>>>
>>>            Ciao, Duncan.
>>>
>>>
>>>                I want to transfer value (Value* src) of the type
>>> `FloatTyID` to
>>>                `DoubleTyID`(I
>>>                need all floats to be saved as 8 bytes).I have tried:
>>>
>>>                      builder.CreateCast(llvm:: Instruction::FPExt, src,
>>>                llvm::Type::getDoubleTy( llvmContext),””)
>>>
>>>
>>>                I don`t know if I use CreateCast correctly  and if this
>>> approach is
>>>                correct at all.
>>>
>>>                Thank you.
>>>
>>>                Yakov
>>>
>>>
>>>
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>>
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