static instance & atexit

__$EHRec$ = -12 ; size = 12
getInstance(void) PROC ; getInstance
  push ebp
  mov ebp, esp
  push -1
  push __ehhandler$getInstance(void)
  mov eax, DWORD PTR fs:0
  push eax
  mov eax, DWORD PTR ___security_cookie
  xor eax, ebp
  push eax
  lea eax, DWORD PTR __$EHRec$[ebp]
  mov DWORD PTR fs:0, eax
  mov eax, DWORD PTR __tls_index
  mov ecx, DWORD PTR fs:__tls_array
  mov edx, DWORD PTR [ecx+eax*4]
  mov eax, DWORD PTR TSS0<`template-parameter-2',etInstance,int, ?? &>
  cmp eax, DWORD PTR __Init_thread_epoch[edx]
  jle SHORT $LN2@getInstanc
  push OFFSET TSS0<`template-parameter-2',etInstance,int, ?? &>
  call __Init_thread_header
  add esp, 4
  cmp DWORD PTR TSS0<`template-parameter-2',etInstance,int, ?? &>, -1
  jne SHORT $LN2@getInstanc
  mov DWORD PTR __$EHRec$[ebp+8], 0
  push OFFSET $SG23354
  mov ecx, OFFSET std::basic_string<char,std::char_traits<char>,std::allocator<char> > `getInstance(void)'::`2'::instance
  call std::basic_string<char,std::char_traits<char>,std::allocator<char> >::basic_string<char,std::char_traits<char>,std::allocator<char> >(char const * const) ; std::basic_string<char,std::char_traits<char>,std::allocator<char> >::basic_string<char,std::char_traits<char>,std::allocator<char> >
  push OFFSET void `getInstance(void)'::`2'::`dynamic atexit destructor for 'instance''(void) ; `getInstance'::`2'::`dynamic atexit destructor for 'instance''
  call _atexit
  add esp, 4
  mov DWORD PTR __$EHRec$[ebp+8], -1
  push OFFSET TSS0<`template-parameter-2',etInstance,int, ?? &>
  call __Init_thread_footer
  add esp, 4
$LN2@getInstanc:
  mov eax, OFFSET std::basic_string<char,std::char_traits<char>,std::allocator<char> > `getInstance(void)'::`2'::instance
  mov ecx, DWORD PTR __$EHRec$[ebp]
  mov DWORD PTR fs:0, ecx
  pop ecx
  mov esp, ebp
  pop ebp
  ret 0
__unwindfunclet$?getInstance@@YA@XZ$0:
  push OFFSET TSS0<`template-parameter-2',etInstance,int, ?? &>
  call __Init_thread_abort
  pop ecx
  ret 0
__ehhandler$getInstance(void):
  mov edx, DWORD PTR [esp+8]
  lea eax, DWORD PTR [edx+12]
  mov ecx, DWORD PTR [edx-4]
  xor ecx, eax
  call @__security_check_cookie@4
  mov eax, OFFSET __ehfuncinfo$getInstance(void)
  jmp ___CxxFrameHandler3
getInstance(void) ENDP ; getInstance