#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ errno;
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ *fopen_read(char *);
scalar_t__ fprintf(int /*<<< orphan*/, char *, ...);
scalar_t__ line_read(char **, int *, int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ stderr;
int /*<<< orphan*/ stdin;
char *strerror(int /*<<< orphan*/);
int handle_args(int argc, char **argv, char **line, int *line_len) {
  FILE *file;
  int i, retval = 0;
  if (argc == 1) {
    *line = "settings.ini";
    file = fopen_read(*line);
    if (file) {
      fclose(file);
    } else {
      fprintf(stderr, "Expected settings file '%s' could not be opened: %s!\n",
              *line, strerror(errno));
      fprintf(stderr,
              "Rename your settings file to '%s' and place it in same "
              "directory, as I am, or just pass me it's path as an argument!\n",
              "settings.ini");
      retval = 1;
    }
  } else if (argc == 2) {
    *line = argv[1];
  } else if (argc > 2) {
    retval = 2;
    do {
      do {
        printf("Where should I create the file? (path or just name): ");
      } while (line_read(line, line_len, stdin) <= 0);
      file = fopen(*line, "wt");
      if (file) {
        break;
      } else {
        fprintf(stderr,
                "An error occurred while opening file '%s' for writing: %s!\n",
                *line, strerror(errno));
      }
    } while (1);
    printf("Writing list of subjects into file '%s'...", *line);
    for (i = 1; i < argc; i++) {
      if (fprintf(file, "%s\n", argv[i]) < 0) {
        retval = 3;
      }
    }
    fclose(file);
    if (retval == 2) {
      printf("success!\n");
    } else {
      fprintf(stderr, "unknown error..sorry!\n");
    }
  }
  return retval;
}


x86 assembly (clang, -O0):
<handle_args>:
push   %rbp
mov    %rsp,%rbp
sub    $0x50,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    %rcx,-0x20(%rbp)
movl   $0x0,-0x30(%rbp)
cmpl   $0x1,-0x4(%rbp)
jne    1236 <handle_args+0xc6>
mov    -0x18(%rbp),%rax
lea    0xe5d(%rip),%rcx
mov    %rcx,(%rax)
mov    -0x18(%rbp),%rax
mov    (%rax),%rdi
call   1070 <fopen_read@plt>
mov    %rax,-0x28(%rbp)
cmpq   $0x0,-0x28(%rbp)
je     11cf <handle_args+0x5f>
mov    -0x28(%rbp),%rdi
call   1030 <fclose@plt>
jmp    1231 <handle_args+0xc1>
mov    0x2e02(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x3c(%rbp)
mov    -0x18(%rbp),%rax
mov    (%rax),%rax
mov    %rax,-0x38(%rbp)
mov    0x2de3(%rip),%rax
mov    (%rax),%edi
call   1090 <strerror@plt>
mov    -0x3c(%rbp),%edi
mov    -0x38(%rbp),%rdx
mov    %rax,%rcx
lea    0xe08(%rip),%rsi
mov    $0x0,%al
call   1060 <fprintf@plt>
mov    0x2dc5(%rip),%rax
mov    (%rax),%edi
lea    0xe27(%rip),%rsi
lea    0xddd(%rip),%rdx
mov    $0x0,%al
call   1060 <fprintf@plt>
movl   $0x1,-0x30(%rbp)
jmp    13c8 <handle_args+0x258>
cmpl   $0x2,-0x4(%rbp)
jne    1254 <handle_args+0xe4>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rcx
mov    -0x18(%rbp),%rax
mov    %rcx,(%rax)
jmp    13c3 <handle_args+0x253>
cmpl   $0x2,-0x4(%rbp)
jle    13be <handle_args+0x24e>
movl   $0x2,-0x30(%rbp)
jmp    126a <handle_args+0xfa>
lea    0xe48(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rsi
mov    0x2d61(%rip),%rax
mov    (%rax),%edx
call   1050 <line_read@plt>
cmp    $0x0,%rax
jle    126a <handle_args+0xfa>
mov    -0x18(%rbp),%rax
mov    (%rax),%rdi
lea    0xe49(%rip),%rsi
call   1080 <fopen@plt>
mov    %rax,-0x28(%rbp)
cmpq   $0x0,-0x28(%rbp)
je     12bf <handle_args+0x14f>
jmp    1310 <handle_args+0x1a0>
mov    0x2d12(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4c(%rbp)
mov    -0x18(%rbp),%rax
mov    (%rax),%rax
mov    %rax,-0x48(%rbp)
mov    0x2cf3(%rip),%rax
mov    (%rax),%edi
call   1090 <strerror@plt>
mov    -0x4c(%rbp),%edi
mov    -0x48(%rbp),%rdx
mov    %rax,%rcx
lea    0xdfd(%rip),%rsi
mov    $0x0,%al
call   1060 <fprintf@plt>
jmp    1301 <handle_args+0x191>
mov    $0x1,%al
test   $0x1,%al
jne    1265 <handle_args+0xf5>
jmp    1310 <handle_args+0x1a0>
mov    -0x18(%rbp),%rax
mov    (%rax),%rsi
lea    0xe10(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
movl   $0x1,-0x2c(%rbp)
mov    -0x2c(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    137c <handle_args+0x20c>
mov    -0x28(%rbp),%rax
mov    %eax,%edi
mov    -0x10(%rbp),%rax
movslq -0x2c(%rbp),%rcx
mov    (%rax,%rcx,8),%rdx
lea    0xe08(%rip),%rsi
mov    $0x0,%al
call   1060 <fprintf@plt>
cmp    $0x0,%rax
jge    1369 <handle_args+0x1f9>
movl   $0x3,-0x30(%rbp)
jmp    136e <handle_args+0x1fe>
mov    -0x2c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x2c(%rbp)
jmp    132c <handle_args+0x1bc>
mov    -0x28(%rbp),%rdi
call   1030 <fclose@plt>
cmpl   $0x2,-0x30(%rbp)
jne    13a2 <handle_args+0x232>
lea    0xdc7(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
jmp    13b9 <handle_args+0x249>
mov    0x2c2f(%rip),%rax
mov    (%rax),%edi
lea    0xdb5(%rip),%rsi
mov    $0x0,%al
call   1060 <fprintf@plt>
jmp    13be <handle_args+0x24e>
jmp    13c3 <handle_args+0x253>
jmp    13c8 <handle_args+0x258>
mov    -0x30(%rbp),%eax
add    $0x50,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<handle_args>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
mov    %rdx,%rbx
cmp    $0x2,%edi
je     11c2 <handle_args+0x42>
cmp    $0x1,%edi
jne    11d0 <handle_args+0x50>
lea    0xe5e(%rip),%rdi
mov    %rdi,(%rbx)
call   1080 <fopen_read@plt>
test   %rax,%rax
je     12f0 <handle_args+0x170>
mov    %rax,%rdi
call   1040 <fclose@plt>
xor    %eax,%eax
jmp    1359 <handle_args+0x1d9>
mov    0x8(%rsi),%rax
mov    %rax,(%rbx)
xor    %eax,%eax
jmp    1359 <handle_args+0x1d9>
xor    %eax,%eax
cmp    $0x3,%edi
jl     1359 <handle_args+0x1d9>
mov    %rcx,%r12
mov    %edi,0xc(%rsp)
mov    %rsi,0x10(%rsp)
lea    0xecb(%rip),%r13
mov    0x2df3(%rip),%r15
cs nopw 0x0(%rax,%rax,1)
nop
mov    %r13,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    (%r15),%edx
mov    %rbx,%rdi
mov    %r12,%rsi
call   1060 <line_read@plt>
test   %rax,%rax
jle    1200 <handle_args+0x80>
mov    (%rbx),%rdi
lea    0xec8(%rip),%rsi
call   1090 <fopen@plt>
test   %rax,%rax
jne    1263 <handle_args+0xe3>
mov    0x2da0(%rip),%rax
mov    (%rax),%ebp
mov    (%rbx),%r14
mov    0x2d8c(%rip),%rax
mov    (%rax),%edi
call   10a0 <strerror@plt>
mov    %ebp,%edi
lea    0xe9e(%rip),%rsi
mov    %r14,%rdx
mov    %rax,%rcx
xor    %eax,%eax
call   1070 <fprintf@plt>
jmp    1200 <handle_args+0x80>
mov    %rax,%rbp
mov    (%rbx),%rsi
lea    0xebe(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0xc(%rsp),%eax
cmp    $0x1,%eax
jle    1340 <handle_args+0x1c0>
mov    %eax,%r15d
mov    $0x2,%r12d
mov    $0x1,%ebx
mov    $0x3,%r13d
mov    0x10(%rsp),%r14
nopl   (%rax)
mov    (%r14,%rbx,8),%rdx
mov    %ebp,%edi
lea    0xeac(%rip),%rsi
xor    %eax,%eax
call   1070 <fprintf@plt>
test   %rax,%rax
cmovs  %r13d,%r12d
add    $0x1,%rbx
cmp    %rbx,%r15
jne    12a0 <handle_args+0x120>
mov    %rbp,%rdi
call   1040 <fclose@plt>
cmp    $0x2,%r12d
je     1348 <handle_args+0x1c8>
mov    0x2cff(%rip),%rax
mov    (%rax),%edi
lea    0xe7b(%rip),%rsi
xor    %eax,%eax
call   1070 <fprintf@plt>
mov    $0x3,%eax
jmp    1359 <handle_args+0x1d9>
mov    0x2ce1(%rip),%r14
mov    (%r14),%ebp
mov    (%rbx),%rbx
mov    0x2ccc(%rip),%rax
mov    (%rax),%edi
call   10a0 <strerror@plt>
lea    0xcfb(%rip),%rsi
mov    %ebp,%edi
mov    %rbx,%rdx
mov    %rax,%rcx
xor    %eax,%eax
call   1070 <fprintf@plt>
mov    (%r14),%edi
lea    0xd18(%rip),%rsi
lea    0xcce(%rip),%rdx
xor    %eax,%eax
call   1070 <fprintf@plt>
mov    $0x1,%eax
jmp    1359 <handle_args+0x1d9>
mov    %rbp,%rdi
call   1040 <fclose@plt>
lea    0xe25(%rip),%rdi
call   1030 <puts@plt>
mov    $0x2,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [13 x i8] c"settings.ini\00"
@stderr = global i32 0
@.str.1 = [54 x i8] c"Expected settings file '%s' could not be opened: %s!\0A\00"
@errno = global i32 0
@.str.2 = [118 x i8] c"Rename your settings file to '%s' and place it in same directory, as I am, or just pass me it's path as an argument!\0A\00"
@.str.3 = [54 x i8] c"Where should I create the file? (path or just name): \00"
@stdin = global i32 0
@.str.4 = [3 x i8] c"wt\00"
@.str.5 = [60 x i8] c"An error occurred while opening file '%s' for writing: %s!\0A\00"
@.str.6 = [43 x i8] c"Writing list of subjects into file '%s'...\00"
@.str.7 = [4 x i8] c"%s\0A\00"
@.str.8 = [10 x i8] c"success!\0A\00"
@.str.9 = [23 x i8] c"unknown error..sorry!\0A\00"
define i32 @handle_args(i32 %0, i8** %1, i8** %2, i32* %3) {
%5 = alloca i32
%6 = alloca i8**
%7 = alloca i8**
%8 = alloca i32*
%9 = alloca i32*
%10 = alloca i32
%11 = alloca i32
store i32 %0, i32* %5
store i8** %1, i8*** %6
store i8** %2, i8*** %7
store i32* %3, i32** %8
store i32 0, i32* %11
%12 = load i32, i32* %5
%13 = icmp eq i32 %12, 1
br i1 %13, label %14, label %34
14: ; preds = %4
%15 = load i8**, i8*** %7
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8** %15
%16 = load i8**, i8*** %7
%17 = load i8*, i8** %16
%18 = call i32* @fopen_read(i8* %17)
store i32* %18, i32** %9
%19 = load i32*, i32** %9
%20 = icmp ne i32* %19, null
br i1 %20, label %21, label %24
21: ; preds = %14
%22 = load i32*, i32** %9
%23 = call i32 @fclose(i32* %22)
br label %33
24: ; preds = %14
%25 = load i32, i32* @stderr
%26 = load i8**, i8*** %7
%27 = load i8*, i8** %26
%28 = load i32, i32* @errno
%29 = call i8* @strerror(i32 %28)
%30 = call i64 (i32, i8*, ...) @fprintf(i32 %25, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i8* %27, i8* %29)
%31 = load i32, i32* @stderr
%32 = call i64 (i32, i8*, ...) @fprintf(i32 %31, i8* getelementptr inbounds ([118 x i8], [118 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %11
br label %33
33: ; preds = %24, %21
br label %107
34: ; preds = %4
%35 = load i32, i32* %5
%36 = icmp eq i32 %35, 2
br i1 %36, label %37, label %42
37: ; preds = %34
%38 = load i8**, i8*** %6
%39 = getelementptr inbounds i8*, i8** %38, i64 1
%40 = load i8*, i8** %39
%41 = load i8**, i8*** %7
store i8* %40, i8** %41
br label %106
42: ; preds = %34
%43 = load i32, i32* %5
%44 = icmp sgt i32 %43, 2
br i1 %44, label %45, label %105
45: ; preds = %42
store i32 2, i32* %11
br label %46
46: ; preds = %70, %45
br label %47
47: ; preds = %49, %46
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.3, i64 0, i64 0))
br label %49
49: ; preds = %47
%50 = load i8**, i8*** %7
%51 = load i32*, i32** %8
%52 = load i32, i32* @stdin
%53 = call i64 @line_read(i8** %50, i32* %51, i32 %52)
%54 = icmp sle i64 %53, 0
br i1 %54, label %47, label %55
55: ; preds = %49
%56 = load i8**, i8*** %7
%57 = load i8*, i8** %56
%58 = call i32* @fopen(i8* %57, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
store i32* %58, i32** %9
%59 = load i32*, i32** %9
%60 = icmp ne i32* %59, null
br i1 %60, label %61, label %62
61: ; preds = %55
br label %71
62: ; preds = %55
%63 = load i32, i32* @stderr
%64 = load i8**, i8*** %7
%65 = load i8*, i8** %64
%66 = load i32, i32* @errno
%67 = call i8* @strerror(i32 %66)
%68 = call i64 (i32, i8*, ...) @fprintf(i32 %63, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.5, i64 0, i64 0), i8* %65, i8* %67)
br label %69
69: ; preds = %62
br label %70
70: ; preds = %69
br i1 true, label %46, label %71
71: ; preds = %70, %61
%72 = load i8**, i8*** %7
%73 = load i8*, i8** %72
%74 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.6, i64 0, i64 0), i8* %73)
store i32 1, i32* %10
br label %75
75: ; preds = %91, %71
%76 = load i32, i32* %10
%77 = load i32, i32* %5
%78 = icmp slt i32 %76, %77
br i1 %78, label %79, label %94
79: ; preds = %75
%80 = load i32*, i32** %9
%81 = ptrtoint i32* %80 to i32
%82 = load i8**, i8*** %6
%83 = load i32, i32* %10
%84 = sext i32 %83 to i64
%85 = getelementptr inbounds i8*, i8** %82, i64 %84
%86 = load i8*, i8** %85
%87 = call i64 (i32, i8*, ...) @fprintf(i32 %81, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* %86)
%88 = icmp slt i64 %87, 0
br i1 %88, label %89, label %90
89: ; preds = %79
store i32 3, i32* %11
br label %90
90: ; preds = %89, %79
br label %91
91: ; preds = %90
%92 = load i32, i32* %10
%93 = add nsw i32 %92, 1
store i32 %93, i32* %10
br label %75
94: ; preds = %75
%95 = load i32*, i32** %9
%96 = call i32 @fclose(i32* %95)
%97 = load i32, i32* %11
%98 = icmp eq i32 %97, 2
br i1 %98, label %99, label %101
99: ; preds = %94
%100 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.8, i64 0, i64 0))
br label %104
101: ; preds = %94
%102 = load i32, i32* @stderr
%103 = call i64 (i32, i8*, ...) @fprintf(i32 %102, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.9, i64 0, i64 0))
br label %104
104: ; preds = %101, %99
br label %105
105: ; preds = %104, %42
br label %106
106: ; preds = %105, %37
br label %107
107: ; preds = %106, %33
%108 = load i32, i32* %11
ret i32 %108
}

LLVM IR (-O2):
@.str = [13 x i8] c"settings.ini\00"
@stderr = global i32 0
@.str.1 = [54 x i8] c"Expected settings file '%s' could not be opened: %s!\0A\00"
@errno = global i32 0
@.str.2 = [118 x i8] c"Rename your settings file to '%s' and place it in same directory, as I am, or just pass me it's path as an argument!\0A\00"
@.str.3 = [54 x i8] c"Where should I create the file? (path or just name): \00"
@stdin = global i32 0
@.str.4 = [3 x i8] c"wt\00"
@.str.5 = [60 x i8] c"An error occurred while opening file '%s' for writing: %s!\0A\00"
@.str.6 = [43 x i8] c"Writing list of subjects into file '%s'...\00"
@.str.7 = [4 x i8] c"%s\0A\00"
@.str.9 = [23 x i8] c"unknown error..sorry!\0A\00"
@str = [9 x i8] c"success!\00"
define i32 @handle_args(i32 %0, i8** nocapture %1, i8** %2, i32* %3) {
switch i32 %0, label %21 [
i32 1, label %5
i32 2, label %18
]
5: ; preds = %4
store i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8** %2
%6 = tail call i32* @fopen_read(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%7 = icmp eq i32* %6, null
br i1 %7, label %10, label %8
8: ; preds = %5
%9 = tail call i32 @fclose(i32* %6)
br label %67
10: ; preds = %5
%11 = load i32, i32* @stderr
%12 = load i8*, i8** %2
%13 = load i32, i32* @errno
%14 = tail call i8* @strerror(i32 %13)
%15 = tail call i64 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i8* %12, i8* %14)
%16 = load i32, i32* @stderr
%17 = tail call i64 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([118 x i8], [118 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
br label %67
18: ; preds = %4
%19 = getelementptr inbounds i8*, i8** %1, i64 1
%20 = load i8*, i8** %19
store i8* %20, i8** %2
br label %67
21: ; preds = %4
%22 = icmp sgt i32 %0, 2
br i1 %22, label %23, label %67
23: ; preds = %21, %28
%24 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @.str.3, i64 0, i64 0))
%25 = load i32, i32* @stdin
%26 = tail call i64 @line_read(i8** %2, i32* %3, i32 %25)
%27 = icmp slt i64 %26, 1
br i1 %27, label %28, label %29
28: ; preds = %23, %33
br label %23
29: ; preds = %23
%30 = load i8*, i8** %2
%31 = tail call i32* @fopen(i8* %30, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0))
%32 = icmp eq i32* %31, null
br i1 %32, label %33, label %39
33: ; preds = %29
%34 = load i32, i32* @stderr
%35 = load i8*, i8** %2
%36 = load i32, i32* @errno
%37 = tail call i8* @strerror(i32 %36)
%38 = tail call i64 (i32, i8*, ...) @fprintf(i32 %34, i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.5, i64 0, i64 0), i8* %35, i8* %37)
br label %28
39: ; preds = %29
%40 = load i8*, i8** %2
%41 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @.str.6, i64 0, i64 0), i8* %40)
%42 = icmp sgt i32 %0, 1
br i1 %42, label %45, label %43
43: ; preds = %39
%44 = tail call i32 @fclose(i32* %31)
br label %62
45: ; preds = %39
%46 = ptrtoint i32* %31 to i64
%47 = trunc i64 %46 to i32
%48 = zext i32 %0 to i64
br label %49
49: ; preds = %45, %49
%50 = phi i64 [ 1, %45 ], [ %57, %49 ]
%51 = phi i32 [ 2, %45 ], [ %56, %49 ]
%52 = getelementptr inbounds i8*, i8** %1, i64 %50
%53 = load i8*, i8** %52
%54 = tail call i64 (i32, i8*, ...) @fprintf(i32 %47, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0), i8* %53)
%55 = icmp slt i64 %54, 0
%56 = select i1 %55, i32 3, i32 %51
%57 = add nuw nsw i64 %50, 1
%58 = icmp eq i64 %57, %48
br i1 %58, label %59, label %49
59: ; preds = %49
%60 = icmp eq i32 %56, 2
%61 = tail call i32 @fclose(i32* %31)
br i1 %60, label %62, label %64
62: ; preds = %43, %59
%63 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str, i64 0, i64 0))
br label %67
64: ; preds = %59
%65 = load i32, i32* @stderr
%66 = tail call i64 (i32, i8*, ...) @fprintf(i32 %65, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.9, i64 0, i64 0))
br label %67
67: ; preds = %18, %62, %64, %21, %8, %10
%68 = phi i32 [ 0, %8 ], [ 1, %10 ], [ 0, %18 ], [ 2, %62 ], [ 3, %64 ], [ 0, %21 ]
ret i32 %68
}