CHECK: cmake_plus_one_cxx_asm
CHECK:      lfence
CHECK:      lfence
CHECK:      lfence
CHECK:      lfence
CHECK:      movl
CHECK:      lfence
CHECK-NEXT: incl
CHECK-NEXT: jmp     0x{{[[:xdigit:]]+}} <cmake_plus_one_cxx_asm+0x{{[[:xdigit:]]+}}>
CHECK-NEXT: shlq    $0, (%rsp)
CHECK-NEXT: lfence
CHECK-NEXT: retq
CHECK:      popq
CHECK-NEXT: popq [[REGISTER:%[a-z]+]]
CHECK-NEXT: lfence
CHECK-NEXT: jmpq *[[REGISTER]]