for (int j = 0; j < inv.getArgsCount(); j++) {
InsnArg arg = inv.getArg(j);
if (arg.isLiteral()) {
FieldNode f = parentClass.getConstFieldByLiteralArg((LiteralArg) arg);
if (f != null) {
arg.wrapInstruction(new IndexInsnNode(InsnType.SGET, f.getFieldInfo(), 0));
}
}
}
}
}