522    ir_rvalue *rvalue = read_dereference(list);  in read_rvalue()  local
523    if (rvalue != NULL || state->error)  in read_rvalue()
524       return rvalue;  in read_rvalue()
526       rvalue = read_swizzle(list);  in read_rvalue()
528       rvalue = read_expression(list);  in read_rvalue()
530       rvalue = read_constant(list);  in read_rvalue()
532       rvalue = read_texture(list);  in read_rvalue()
533       if (rvalue == NULL && !state->error)  in read_rvalue()
537    return rvalue;  in read_rvalue()
744    ir_rvalue *rvalue = read_rvalue(sub);  in read_swizzle()  local
745    if (rvalue == NULL)  in read_swizzle()
748    ir_swizzle *ir = ir_swizzle::create(rvalue, swiz->value(),  in read_swizzle()
749 				       rvalue->type->vector_elements);  in read_swizzle()