user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test_collapse>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  movl   $0x0,-0x14(%rbp)
  jmp    L147
L381:
  addl   $0x1,-0x14(%rbp)
L147:
  cmpl   $0xf,-0x14(%rbp)
  jle    L381
  movl   $0x0,-0x14(%rbp)
  jmp    L108
L408:
  addl   $0x1,-0x14(%rbp)
L108:
  cmpl   $0xf,-0x14(%rbp)
  jle    L408
  movl   $0x0,-0x14(%rbp)
  jmp    L323
L261:
  addl   $0x1,-0x14(%rbp)
L323:
  cmpl   $0xf,-0x14(%rbp)
  jle    L261
  movl   $0x0,-0x14(%rbp)
  jmp    L297
L263:
  addl   $0x1,-0x14(%rbp)
L297:
  cmpl   $0xf,-0x14(%rbp)
  jle    L263
  movl   $0x0,-0x14(%rbp)
  jmp    L163
L125:
  addl   $0x1,-0x14(%rbp)
L163:
  cmpl   $0xf,-0x14(%rbp)
  jle    L125
  movl   $0x0,-0x14(%rbp)
  jmp    L106
L48:
  addl   $0x1,-0x14(%rbp)
L106:
  cmpl   $0xf,-0x14(%rbp)
  jle    L48
  movl   $0x0,-0x14(%rbp)
  jmp    L202
L309:
  addl   $0x1,-0x14(%rbp)
L202:
  cmpl   $0xf,-0x14(%rbp)
  jle    L309
  movl   $0x0,-0x14(%rbp)
  jmp    L117
L328:
  addl   $0x1,-0x14(%rbp)
L117:
  cmpl   $0xf,-0x14(%rbp)
  jle    L328
  movl   $0x0,-0x14(%rbp)
  jmp    L229
L280:
  addl   $0x1,-0x14(%rbp)
L229:
  cmpl   $0xf,-0x14(%rbp)
  jle    L280
  movl   $0x0,-0x14(%rbp)
  jmp    L171
L28:
  addl   $0x1,-0x14(%rbp)
L171:
  cmpl   $0xf,-0x14(%rbp)
  jle    L28
  movl   $0x0,-0x14(%rbp)
  jmp    L34
L435:
  addl   $0x1,-0x14(%rbp)
L34:
  cmpl   $0xf,-0x14(%rbp)
  jle    L435
  movl   $0x0,-0x14(%rbp)
  jmp    L2
L23:
  addl   $0x1,-0x14(%rbp)
L2:
  cmpl   $0xf,-0x14(%rbp)
  jle    L23
  movl   $0x0,-0x10(%rbp)
  jmp    L0
L96:
  movl   $0x0,-0xc(%rbp)
  jmp    L95
L338:
  movl   $0x0,-0x8(%rbp)
  jmp    L160
L366:
  movl   $0x0,-0x4(%rbp)
  jmp    L376
L210:
  mov    $0x0,%eax
  call   <foo@plt>
  addl   $0x1,-0x4(%rbp)
L376:
  cmpl   $0xf,-0x4(%rbp)
  jle    L210
  addl   $0x1,-0x8(%rbp)
L160:
  cmpl   $0xf,-0x8(%rbp)
  jle    L366
  addl   $0x1,-0xc(%rbp)
L95:
  cmpl   $0xf,-0xc(%rbp)
  jle    L338
  addl   $0x1,-0x10(%rbp)
L0:
  cmpl   $0xf,-0x10(%rbp)
  jle    L96
  movl   $0x0,-0x14(%rbp)
  jmp    L154
L341:
  addl   $0x1,-0x14(%rbp)
L154:
  cmpl   $0xf,-0x14(%rbp)
  jle    L341
  movl   $0x0,-0x14(%rbp)
  jmp    L115
L175:
  addl   $0x1,-0x14(%rbp)
L115:
  cmpl   $0xf,-0x14(%rbp)
  jle    L175
  movl   $0x0,-0x14(%rbp)
  jmp    L54
L177:
  addl   $0x1,-0x14(%rbp)
L54:
  cmpl   $0xf,-0x14(%rbp)
  jle    L177
  movl   $0x0,-0x14(%rbp)
  jmp    L245
L86:
  addl   $0x1,-0x14(%rbp)
L245:
  cmpl   $0xf,-0x14(%rbp)
  jle    L86
  movl   $0x0,-0x14(%rbp)
  jmp    L374
L390:
  addl   $0x1,-0x14(%rbp)
L374:
  cmpl   $0xf,-0x14(%rbp)
  jle    L390
  movl   $0x0,-0x14(%rbp)
  jmp    L407
L94:
  addl   $0x1,-0x14(%rbp)
L407:
  cmpl   $0xf,-0x14(%rbp)
  jle    L94
  nop
  nop
  leave
  ret
```

assistant: ```c
void test_collapse() {
  int i;
#pragma omp parallel
#pragma omp master taskloop simd collapse
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse()
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse 4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4 4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4, , 4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(4)
  for (int i1 = 0; i1 < 16; ++i1)
    for (int i2 = 0; i2 < 16; ++i2)
      for (int i3 = 0; i3 < 16; ++i3)
        for (int i4 = 0; i4 < 16; ++i4)
          foo();
#pragma omp parallel
#pragma omp master taskloop simd collapse(4, 8)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(2.5)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(foo())
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(-5)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(0)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp parallel
#pragma omp master taskloop simd collapse(5 - 5)
  for (i = 0; i < 16; ++i)
    ;
}
```