[llvm-dev] getelementptr

[David Chisnall via llvm-dev]

On 1 Sep 2017, at 11:44, Anastasiya Ruzhanskaya via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hello,
> I wonder if the getelementptr can have other successors than load, store in some other cases when I directly print or directly return the result. every time I would like to assign the result - it will have a load/store successor?
> So, basically the overall question is to clarify the possible successors of getelementptr.

Any instruction that may take a pointer operand might be a user of a GEP.  For example, consider this C function:

int x(struct S *s)
{
	y(&s->field);
}

Here, there will be a GEP to get the address of the field and then the user will be a call (or possibly invoke) instruction.

David