user: 下面的汇编指令对应的C源代码是什么：

```asm
<checkEnvPHI>:
  endbr64
  push   %r14
  lea    D45(%rip),%r14
  push   %r13
  mov    %rdi,%r13
  mov    %r14,%rdi
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rcx,%rbx
  call   <getenv@plt>
  test   %rax,%rax
  je     L108
  mov    %r14,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  test   %eax,%eax
  jne    L105
  lea    D23(%rip),%rdi
  call   <fatalError@plt>
L108:
  lea    D70(%rip),%r13
  mov    %r13,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L65
  mov    %r13,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  test   %eax,%eax
  jne    L3
  lea    D2(%rip),%rdi
  call   <fatalError@plt>
L65:
  lea    D50(%rip),%r12
  mov    %r12,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L77
  mov    %r12,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  test   %eax,%eax
  jne    L91
  lea    D31(%rip),%rdi
  call   <fatalError@plt>
L77:
  lea    D24(%rip),%rbp
  mov    %rbp,%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L46
  mov    %rbp,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  test   %eax,%eax
  jne    L80
  lea    D56(%rip),%rdi
  call   <fatalError@plt>
L46:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L80:
  mov    %rbp,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,(%rbx)
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L91:
  mov    %r12,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,0x0(%rbp)
  jmp    L77
  nopl   (%rax)
L3:
  mov    %r13,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,(%r12)
  jmp    L65
  nopl   0x0(%rax)
L105:
  mov    %r14,%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,0x0(%r13)
  jmp    L108
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D45
data_type: string
name: extract_symbolic_data
arguments: data_label: D23
data_type: string
name: extract_symbolic_data
arguments: data_label: D70
data_type: string
name: extract_symbolic_data
arguments: data_label: D2
data_type: string
name: extract_symbolic_data
arguments: data_label: D50
data_type: string
name: extract_symbolic_data
arguments: data_label: D31
data_type: string
name: extract_symbolic_data
arguments: data_label: D24
data_type: string
name: extract_symbolic_data
arguments: data_label: D56
data_type: string

tool: D45: NLOOP_PHI_MAX

tool: D23: NLOOP_PHI_MAX must be a positive integer

tool: D70: MIN_PHI_SIZE

tool: D2: MIN_PHI_SIZE must be a positive integer

tool: D50: MED_PHI_SIZE

tool: D31: MED_PHI_SIZE must be a positive integer

tool: D24: MAX_PHI_SIZE

tool: D56: MAX_PHI_SIZE must be a positive integer

assistant: ```c
int checkEnvPHI(unsigned int *NLOOP, unsigned int *smin, unsigned int *smed, unsigned int *smax) {
  if (getenv("NLOOP_PHI_MAX") != NULL) {
    if (atoi(getenv("NLOOP_PHI_MAX")) <= 0)
      fatalError("NLOOP_PHI_MAX must be a positive integer");
    else
      *NLOOP = atoi(getenv("NLOOP_PHI_MAX"));
  }
  if (getenv("MIN_PHI_SIZE") != NULL) {
    if (atoi(getenv("MIN_PHI_SIZE")) <= 0)
      fatalError("MIN_PHI_SIZE must be a positive integer");
    else
      *smin = atoi(getenv("MIN_PHI_SIZE"));
  }
  if (getenv("MED_PHI_SIZE") != NULL) {
    if (atoi(getenv("MED_PHI_SIZE")) <= 0)
      fatalError("MED_PHI_SIZE must be a positive integer");
    else
      *smed = atoi(getenv("MED_PHI_SIZE"));
  }
  if (getenv("MAX_PHI_SIZE") != NULL) {
    if (atoi(getenv("MAX_PHI_SIZE")) <= 0)
      fatalError("MAX_PHI_SIZE must be a positive integer");
    else
      *smax = atoi(getenv("MAX_PHI_SIZE"));
  }
  return 0;
}
```