Store value to pointer, with optional guaranteed alignment:
            *ptr = name

def store_atomic(self, value, ptr, ordering, align):
        """
        Store value to pointer, with optional guaranteed alignment:
            *ptr = name
        """
        if not isinstance(ptr.type, types.PointerType):
            raise TypeError("cannot store to value of type %s (%r): not a pointer"
                            % (ptr.type, str(ptr)))
        if ptr.type.pointee != value.type:
            raise TypeError("cannot store %s to %s: mismatching types"
                            % (value.type, ptr.type))
        st = instructions.StoreAtomicInstr(self.block, value, ptr, ordering, align)
        self._insert(st)
        return st