# RUN: llvm-mc --disassemble %s -triple=thumbv7-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *

# Opcode=2124 Name=t2STRD_PRE Format=ARM_FORMAT_THUMBFRM(25)
#  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 1: 0: 0: 1| 1: 1: 1: 0| 0: 1: 0: 0| 0: 1: 0: 0| 0: 1: 1: 0| 0: 0: 0: 0| 0: 0: 1: 0|
# -------------------------------------------------------------------------------------------------
# 
# if wback && (n == t || n == t2) then UNPREDICTABLE
0xe4 0xe9 0x02 0x46