| @ RUN: llvm-mc -triple=armv8 -show-encoding < %s | FileCheck %s | 
 | @ RUN: not llvm-mc -triple=armv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7 | 
 | @ RUN: not llvm-mc -triple=thumbv8 -mattr=-crc -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOCRC | 
 |         crc32b  r0, r1, r2 | 
 |         crc32h  r0, r1, r2 | 
 |         crc32w  r0, r1, r2 | 
 |  | 
 | @ CHECK:  crc32b    r0, r1, r2              @ encoding: [0x42,0x00,0x01,0xe1] | 
 | @ CHECK:  crc32h    r0, r1, r2              @ encoding: [0x42,0x00,0x21,0xe1] | 
 | @ CHECK:  crc32w    r0, r1, r2              @ encoding: [0x42,0x00,0x41,0xe1] | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc | 
 |  | 
 |         crc32cb  r0, r1, r2 | 
 |         crc32ch  r0, r1, r2 | 
 |         crc32cw  r0, r1, r2 | 
 |  | 
 | @ CHECK:  crc32cb   r0, r1, r2              @ encoding: [0x42,0x02,0x01,0xe1] | 
 | @ CHECK:  crc32ch   r0, r1, r2              @ encoding: [0x42,0x02,0x21,0xe1] | 
 | @ CHECK:  crc32cw   r0, r1, r2              @ encoding: [0x42,0x02,0x41,0xe1] | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-V7: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc | 
 | @ CHECK-NOCRC: error: instruction requires: crc |