{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"let"}]}
            let ibty1 = bx.cx().scalar_pair_element_backend_type(layout, 1, true);
            let ibty0 = bx.cx().scalar_pair_element_backend_type(layout, 0, true);
            OperandValue::Pair(bx.const_poison(ibty0), bx.const_poison(ibty1))