| # RUN: llvm-mc -triple=armv8 -mattr=+sb -disassemble < %s | FileCheck %s | |
| # RUN: llvm-mc -triple=armv8 -mattr=+v8.5a -disassemble < %s | FileCheck %s | |
| # RUN: llvm-mc -triple=armv8 -mattr=-sb -disassemble < %s 2>&1 | FileCheck %s --check-prefix=NOSB | |
| 0x70 0xf0 0x7f 0xf5 | |
| # CHECK: sb | |
| # NOSB: invalid instruction encoding | |
| # NOSB-NEXT: 0x70 0xf0 0x7f 0xf5 |