[LLVMdev] inserting a fucntion call at the end of basic bloc
Duncan Sands
baldrick at free.fr
Tue Apr 26 05:08:02 PDT 2011
Hi Nabila,
> Now when i tried this pass an error says:
> Wrong type for attribute noalias
> tail call void @consume(i32 noalias 3, i32* @y) nounwind
>
>
> noalias is only for arguments of pointer type. You probably meant it to
> be on the second argument rather than the first. I suggest you correct
> your code that adds the attribute.
>
> Ciao, Duncan.
>
>
> no my fucntion is
> void consume(int nb_into_bloc, int *nb_total)
> the second is a pointer
> here is how I pass the parameters
> Instruction* ii = i->getTerminator();
> const int n = cast <int> (i->size());
> ConstantInt* inValue = ConstantInt::get(Type::getInt32Ty(Context), n);
> std::vector<Value*> int32_16_params;
> int32_16_params.push_back(inValue);
> int32_16_params.push_back(gvar_int32_y);
> CallInst* int32_16 = CallInst::Create(func_consume, int32_16_params.begin(),
> int32_16_params.end(), "", ii);
where did the "noalias" attribute and "tail call" (rather than "call") come
from? Are you setting these yourself or running some optimization pass after
your pass?
Ciao, Duncan.
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