# RUN: llvm-mc -triple=thumbv8 -mattr=+sb -disassemble < %s      | FileCheck %s
# RUN: llvm-mc -triple=thumbv8 -mattr=+v8.5a    -disassemble < %s      | FileCheck %s
# RUN: llvm-mc -triple=thumbv8 -mattr=-sb -disassemble < %s 2>&1 | FileCheck %s --check-prefix=NOSB

0xbf 0xf3 0x70 0x8f

# CHECK: sb
# NOSB: invalid instruction encoding
# NOSB-NEXT: 0xbf 0xf3 0x70 0x8f