user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xffffffffffffffff,%rdi
  call   <test2n@plt>
  test   %rax,%rax
  jne    L400
L178:
  mov    $0xfffffffffffffffe,%rdi
  call   <test2n@plt>
  test   %rax,%rax
  jne    L121
L73:
  xor    %edi,%edi
  call   <test2n@plt>
  test   %rax,%rax
  jne    L179
L293:
  mov    $0x1,%edi
  call   <test2n@plt>
  test   %rax,%rax
  jne    L118
L304:
  mov    $0x2,%edi
  call   <test2n@plt>
  test   %rax,%rax
  jne    L475
L173:
  mov    $0xffffffffffffffff,%rdi
  call   <test1n@plt>
  test   %rax,%rax
  jne    L393
L162:
  mov    $0xfffffffffffffffe,%rdi
  call   <test1n@plt>
  test   %rax,%rax
  je     L63
L160:
  xor    %edi,%edi
  call   <test1n@plt>
  test   %rax,%rax
  jne    L488
L378:
  mov    $0x1,%edi
  call   <test1n@plt>
  test   %rax,%rax
  jne    L387
L123:
  mov    $0x2,%edi
  call   <test1n@plt>
  test   %rax,%rax
  jne    L406
L286:
  mov    $0xffffffffffffffff,%rdi
  call   <test0@plt>
  test   %rax,%rax
  je     L348
L434:
  mov    $0xfffffffffffffffe,%rdi
  call   <test0@plt>
  test   %rax,%rax
  je     L431
L235:
  xor    %edi,%edi
  call   <test0@plt>
  test   %rax,%rax
  jne    L265
L340:
  mov    $0x1,%edi
  call   <test0@plt>
  test   %rax,%rax
  jne    L370
L75:
  mov    $0x2,%edi
  call   <test0@plt>
  test   %rax,%rax
  jne    L350
L430:
  mov    $0xffffffffffffffff,%rdi
  call   <test2@plt>
  test   %rax,%rax
  je     L385
L458:
  mov    $0xfffffffffffffffe,%rdi
  call   <test2@plt>
  test   %rax,%rax
  je     L187
L424:
  xor    %edi,%edi
  call   <test2@plt>
  test   %rax,%rax
  je     L409
L278:
  mov    $0x1,%edi
  call   <test2@plt>
  test   %rax,%rax
  je     L3
L257:
  mov    $0x2,%edi
  call   <test2@plt>
  test   %rax,%rax
  jne    L289
L148:
  mov    $0xffffffffffffffff,%rdi
  call   <test1@plt>
  test   %rax,%rax
  je     L240
L296:
  mov    $0xfffffffffffffffe,%rdi
  call   <test1@plt>
  test   %rax,%rax
  je     L215
L258:
  xor    %edi,%edi
  call   <test1@plt>
  test   %rax,%rax
  je     L147
L266:
  mov    $0x1,%edi
  call   <test1@plt>
  test   %rax,%rax
  jne    L300
L19:
  mov    $0x2,%edi
  call   <test1@plt>
  test   %rax,%rax
  jne    L268
L206:
  xor    %edi,%edi
  call   <exit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
L400:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L178
L268:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L206
L300:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L19
L147:
  call   <abort@plt>
  jmp    L266
L215:
  call   <abort@plt>
  jmp    L258
L240:
  call   <abort@plt>
  jmp    L296
L289:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L148
L3:
  call   <abort@plt>
  jmp    L257
L409:
  call   <abort@plt>
  jmp    L278
L187:
  call   <abort@plt>
  jmp    L424
L385:
  call   <abort@plt>
  jmp    L458
L350:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L430
L370:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L75
L265:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L340
L431:
  call   <abort@plt>
  jmp    L235
L348:
  call   <abort@plt>
  jmp    L434
L406:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L286
L387:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L123
L488:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L378
L63:
  call   <abort@plt>
  jmp    L160
L393:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L162
L475:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L173
L118:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L304
L179:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L293
L121:
  xor    %eax,%eax
  call   <abort@plt>
  jmp    L73
```

assistant: ```c
int main() {
  if (test2n(-1LL))
    abort();
  if (test2n(-2LL))
    abort();
  if (test2n(0LL))
    abort();
  if (test2n(1LL))
    abort();
  if (test2n(2LL))
    abort();
  if (test1n(-1LL))
    abort();
  if (!test1n(-2LL))
    abort();
  if (test1n(0LL))
    abort();
  if (test1n(1LL))
    abort();
  if (test1n(2LL))
    abort();
  if (!test0(-1LL))
    abort();
  if (!test0(-2LL))
    abort();
  if (test0(0LL))
    abort();
  if (test0(1LL))
    abort();
  if (test0(2LL))
    abort();
  if (!test2(-1LL))
    abort();
  if (!test2(-2LL))
    abort();
  if (!test2(0LL))
    abort();
  if (!test2(1LL))
    abort();
  if (test2(2LL))
    abort();
  if (!test1(-1LL))
    abort();
  if (!test1(-2LL))
    abort();
  if (!test1(0LL))
    abort();
  if (test1(1LL))
    abort();
  if (test1(2LL))
    abort();
  exit(0);
}
```