[LLVMdev] Error for AllocaInst and Instruction

Nick Lewycky
Thu, 25 Jul 2013 18:36:25 -0000

Rasha Omar wrote:
> Hi,
> For the following code
>          const Type * Int32Type >
IntegerType::getInt32Ty(getGlobalContext());

Don't use const types any more. Since llvm 3.0, nothing takes a const Type*.

Nick

>          AllocaInst* newInst = new AllocaInst(Int32Type, 0,
"flag", Bb);
>          Bb->getInstList().push_back(newInst);
>
> It gives me the error
> "  error: no matching constructor for initialization of
'llvm::AllocaInst'
>              AllocaInst* newInst = new AllocaInst(Int32Type, 0,
"flag",
> Bb);"
>
>
> By using Instruction
>
>          const Type * Int32Type >
IntegerType::getInt32Ty(getGlobalContext());
>          Instruction* newInst = new Instruction(Int32Type, 0,
"flag", Bb);
>          Bb->getInstList().push_back(newInst);
>
>
> error: allocating an object of abstract class type
'llvm::Instruction'
>              Instruction* newInst = new Instruction(Int32Type, 0,
> "flag", Bb);
>
>
> --
> *Rasha Salah Omar
> Msc Student at E-JUST
> Demonestrator  at Faculty of Computers and Informatics
> Benha University
> *
>
>
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