1 @ RUN: not llvm-mc -triple=armv8 < %s 2>&1 | FileCheck %s 2 3 swp r0, r1, [r2] 4 @ CHECK: instruction requires: armv7 or earlier 5 6 swpb r0, r1, [r2] 7 @ CHECK: instruction requires: armv7 or earlier 8
