for _, a := range inst.Args {
		if a == nil {
			break
		}
		args = append(args, plan9Arg(&inst, pc, symname, a))
	}

	op := inst.Op.String()

	switch inst.Op {
	case LDR, LDRB, LDRH, LDRSB, LDRSH, LDRSW:
		// Check for PC-relative load.
		if offset, ok := inst.Args[1].(PCRel); ok {
			addr := pc + uint64(offset)
			if _, ok := inst.Args[0].(Reg); !ok {
				break
			}