main(argc, argv, envp) int argc;
char *argv[], *envp[];
{
  char aa[4];
  if (diff(argv[0], "t11a"))
    e(21);
  if (diff(argv[1], "arg0"))
    e(22);
  if (diff(argv[2], "arg1"))
    e(23);
  if (diff(argv[3], "arg2"))
    e(24);
  if (diff(envp[0], "spring"))
    e(25);
  if (diff(envp[1], "summer"))
    e(26);
  if (argc != 4)
    e(27);
  if (read(3, aa, 1000) != 2)
    e(28);
  if (aa[0] != 7 || aa[1] != 9)
    e(29);
  if (getuid() == 10)
    e(30);
  if (geteuid() != 10)
    e(31);
  if (getgid() == 20)
    e(32);
  if (getegid() != 20)
    e(33);
  if (open("t1", 0) < 0)
    e(34);
  if (open("t2", 0) < 0)
    e(35);
  exit(100);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rdi
lea    0xe48(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     11d4 <main+0x44>
mov    $0x15,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
lea    0xe22(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     11ff <main+0x6f>
mov    $0x16,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
lea    0xdfc(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     122a <main+0x9a>
mov    $0x17,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    -0x10(%rbp),%rax
mov    0x18(%rax),%rdi
lea    0xdd6(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     1255 <main+0xc5>
mov    $0x18,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    -0x18(%rbp),%rax
mov    (%rax),%rdi
lea    0xdb1(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     127f <main+0xef>
mov    $0x19,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    -0x18(%rbp),%rax
mov    0x8(%rax),%rdi
lea    0xd8d(%rip),%rsi
mov    $0x0,%al
call   10b0 <diff@plt>
cmp    $0x0,%eax
je     12aa <main+0x11a>
mov    $0x1a,%edi
mov    $0x0,%al
call   1080 <e@plt>
cmpl   $0x4,-0x8(%rbp)
je     12c0 <main+0x130>
mov    $0x1b,%edi
mov    $0x0,%al
call   1080 <e@plt>
lea    -0x1c(%rbp),%rsi
mov    $0x3,%edi
mov    $0x3e8,%edx
mov    $0x0,%al
call   1050 <read@plt>
cmp    $0x2,%eax
je     12ea <main+0x15a>
mov    $0x1c,%edi
mov    $0x0,%al
call   1080 <e@plt>
movsbl -0x1c(%rbp),%eax
cmp    $0x7,%eax
jne    1304 <main+0x174>
movsbl -0x1b(%rbp),%eax
cmp    $0x9,%eax
je     1310 <main+0x180>
mov    $0x1d,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    $0x0,%al
call   1030 <getuid@plt>
cmp    $0xa,%eax
jne    132c <main+0x19c>
mov    $0x1e,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    $0x0,%al
call   1040 <geteuid@plt>
cmp    $0xa,%eax
je     1348 <main+0x1b8>
mov    $0x1f,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    $0x0,%al
call   1060 <getgid@plt>
cmp    $0x14,%eax
jne    1364 <main+0x1d4>
mov    $0x20,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    $0x0,%al
call   1070 <getegid@plt>
cmp    $0x14,%eax
je     1380 <main+0x1f0>
mov    $0x21,%edi
mov    $0x0,%al
call   1080 <e@plt>
lea    0xc9b(%rip),%rdi
xor    %esi,%esi
mov    $0x0,%al
call   1090 <open@plt>
cmp    $0x0,%eax
jge    13a5 <main+0x215>
mov    $0x22,%edi
mov    $0x0,%al
call   1080 <e@plt>
lea    0xc79(%rip),%rdi
xor    %esi,%esi
mov    $0x0,%al
call   1090 <open@plt>
cmp    $0x0,%eax
jge    13ca <main+0x23a>
mov    $0x23,%edi
mov    $0x0,%al
call   1080 <e@plt>
mov    $0x64,%edi
call   10a0 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
sub    $0x10,%rsp
mov    %rdx,%rbx
mov    %rsi,%rbp
mov    %edi,%r14d
mov    (%rsi),%rdi
lea    0xe55(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     11c2 <main+0x32>
mov    $0x15,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    0x8(%rbp),%rdi
lea    0xe38(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     11e4 <main+0x54>
mov    $0x16,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    0x10(%rbp),%rdi
lea    0xe1b(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     1206 <main+0x76>
mov    $0x17,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    0x18(%rbp),%rdi
lea    0xdfe(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     1228 <main+0x98>
mov    $0x18,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    (%rbx),%rdi
lea    0xde2(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     1249 <main+0xb9>
mov    $0x19,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    0x8(%rbx),%rdi
lea    0xdc7(%rip),%rsi
xor    %eax,%eax
call   10b0 <diff@plt>
test   %eax,%eax
je     126b <main+0xdb>
mov    $0x1a,%edi
xor    %eax,%eax
call   1080 <e@plt>
cmp    $0x4,%r14d
je     127d <main+0xed>
mov    $0x1b,%edi
xor    %eax,%eax
call   1080 <e@plt>
lea    0xc(%rsp),%rsi
mov    $0x3,%edi
mov    $0x3e8,%edx
xor    %eax,%eax
call   1050 <read@plt>
cmp    $0x2,%eax
je     12a4 <main+0x114>
mov    $0x1c,%edi
xor    %eax,%eax
call   1080 <e@plt>
cmpb   $0x7,0xc(%rsp)
jne    12b2 <main+0x122>
cmpb   $0x9,0xd(%rsp)
je     12be <main+0x12e>
mov    $0x1d,%edi
xor    %eax,%eax
call   1080 <e@plt>
xor    %eax,%eax
call   1030 <getuid@plt>
cmp    $0xa,%eax
jne    12d6 <main+0x146>
mov    $0x1e,%edi
xor    %eax,%eax
call   1080 <e@plt>
xor    %eax,%eax
call   1040 <geteuid@plt>
cmp    $0xa,%eax
je     12ee <main+0x15e>
mov    $0x1f,%edi
xor    %eax,%eax
call   1080 <e@plt>
xor    %eax,%eax
call   1060 <getgid@plt>
cmp    $0x14,%eax
jne    1306 <main+0x176>
mov    $0x20,%edi
xor    %eax,%eax
call   1080 <e@plt>
xor    %eax,%eax
call   1070 <getegid@plt>
cmp    $0x14,%eax
je     131e <main+0x18e>
mov    $0x21,%edi
xor    %eax,%eax
call   1080 <e@plt>
lea    0xcfd(%rip),%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1090 <open@plt>
test   %eax,%eax
jns    133e <main+0x1ae>
mov    $0x22,%edi
xor    %eax,%eax
call   1080 <e@plt>
lea    0xce0(%rip),%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1090 <open@plt>
test   %eax,%eax
jns    135e <main+0x1ce>
mov    $0x23,%edi
xor    %eax,%eax
call   1080 <e@plt>
mov    $0x64,%edi
call   10a0 <exit@plt>

LLVM IR (-O0):
@.str = [5 x i8] c"t11a\00"
@.str.1 = [5 x i8] c"arg0\00"
@.str.2 = [5 x i8] c"arg1\00"
@.str.3 = [5 x i8] c"arg2\00"
@.str.4 = [7 x i8] c"spring\00"
@.str.5 = [7 x i8] c"summer\00"
@.str.6 = [3 x i8] c"t1\00"
@.str.7 = [3 x i8] c"t2\00"
define i32 @main(i32 %0, i8** %1, i8** %2) {
%4 = alloca i32
%5 = alloca i32
%6 = alloca i8**
%7 = alloca i8**
%8 = alloca [4 x i8]
store i32 0, i32* %4
store i32 %0, i32* %5
store i8** %1, i8*** %6
store i8** %2, i8*** %7
%9 = load i8**, i8*** %6
%10 = getelementptr inbounds i8*, i8** %9, i64 0
%11 = load i8*, i8** %10
%12 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %11, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%13 = icmp ne i32 %12, 0
br i1 %13, label %14, label %16
14: ; preds = %3
%15 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 21)
br label %16
16: ; preds = %14, %3
%17 = load i8**, i8*** %6
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %19, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%21 = icmp ne i32 %20, 0
br i1 %21, label %22, label %24
22: ; preds = %16
%23 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 22)
br label %24
24: ; preds = %22, %16
%25 = load i8**, i8*** %6
%26 = getelementptr inbounds i8*, i8** %25, i64 2
%27 = load i8*, i8** %26
%28 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %27, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%29 = icmp ne i32 %28, 0
br i1 %29, label %30, label %32
30: ; preds = %24
%31 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 23)
br label %32
32: ; preds = %30, %24
%33 = load i8**, i8*** %6
%34 = getelementptr inbounds i8*, i8** %33, i64 3
%35 = load i8*, i8** %34
%36 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %35, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%37 = icmp ne i32 %36, 0
br i1 %37, label %38, label %40
38: ; preds = %32
%39 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 24)
br label %40
40: ; preds = %38, %32
%41 = load i8**, i8*** %7
%42 = getelementptr inbounds i8*, i8** %41, i64 0
%43 = load i8*, i8** %42
%44 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %43, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%45 = icmp ne i32 %44, 0
br i1 %45, label %46, label %48
46: ; preds = %40
%47 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 25)
br label %48
48: ; preds = %46, %40
%49 = load i8**, i8*** %7
%50 = getelementptr inbounds i8*, i8** %49, i64 1
%51 = load i8*, i8** %50
%52 = call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %51, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0))
%53 = icmp ne i32 %52, 0
br i1 %53, label %54, label %56
54: ; preds = %48
%55 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 26)
br label %56
56: ; preds = %54, %48
%57 = load i32, i32* %5
%58 = icmp ne i32 %57, 4
br i1 %58, label %59, label %61
59: ; preds = %56
%60 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 27)
br label %61
61: ; preds = %59, %56
%62 = getelementptr inbounds [4 x i8], [4 x i8]* %8, i64 0, i64 0
%63 = call i32 (i32, i8*, i32, ...) bitcast (i32 (...)* @read to i32 (i32, i8*, i32, ...)*)(i32 3, i8* %62, i32 1000)
%64 = icmp ne i32 %63, 2
br i1 %64, label %65, label %67
65: ; preds = %61
%66 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 28)
br label %67
67: ; preds = %65, %61
%68 = getelementptr inbounds [4 x i8], [4 x i8]* %8, i64 0, i64 0
%69 = load i8, i8* %68
%70 = sext i8 %69 to i32
%71 = icmp ne i32 %70, 7
br i1 %71, label %77, label %72
72: ; preds = %67
%73 = getelementptr inbounds [4 x i8], [4 x i8]* %8, i64 0, i64 1
%74 = load i8, i8* %73
%75 = sext i8 %74 to i32
%76 = icmp ne i32 %75, 9
br i1 %76, label %77, label %79
77: ; preds = %72, %67
%78 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 29)
br label %79
79: ; preds = %77, %72
%80 = call i32 (...) @getuid()
%81 = icmp eq i32 %80, 10
br i1 %81, label %82, label %84
82: ; preds = %79
%83 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 30)
br label %84
84: ; preds = %82, %79
%85 = call i32 (...) @geteuid()
%86 = icmp ne i32 %85, 10
br i1 %86, label %87, label %89
87: ; preds = %84
%88 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 31)
br label %89
89: ; preds = %87, %84
%90 = call i32 (...) @getgid()
%91 = icmp eq i32 %90, 20
br i1 %91, label %92, label %94
92: ; preds = %89
%93 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 32)
br label %94
94: ; preds = %92, %89
%95 = call i32 (...) @getegid()
%96 = icmp ne i32 %95, 20
br i1 %96, label %97, label %99
97: ; preds = %94
%98 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 33)
br label %99
99: ; preds = %97, %94
%100 = call i32 (i8*, i32, ...) bitcast (i32 (...)* @open to i32 (i8*, i32, ...)*)(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i32 0)
%101 = icmp slt i32 %100, 0
br i1 %101, label %102, label %104
102: ; preds = %99
%103 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 34)
br label %104
104: ; preds = %102, %99
%105 = call i32 (i8*, i32, ...) bitcast (i32 (...)* @open to i32 (i8*, i32, ...)*)(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32 0)
%106 = icmp slt i32 %105, 0
br i1 %106, label %107, label %109
107: ; preds = %104
%108 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 35)
br label %109
109: ; preds = %107, %104
unreachable
}

LLVM IR (-O2):
@.str = [5 x i8] c"t11a\00"
@.str.1 = [5 x i8] c"arg0\00"
@.str.2 = [5 x i8] c"arg1\00"
@.str.3 = [5 x i8] c"arg2\00"
@.str.4 = [7 x i8] c"spring\00"
@.str.5 = [7 x i8] c"summer\00"
@.str.6 = [3 x i8] c"t1\00"
@.str.7 = [3 x i8] c"t2\00"
define i32 @main(i32 %0, i8** nocapture %1, i8** nocapture %2) {
%4 = alloca [4 x i8]
%5 = getelementptr inbounds [4 x i8], [4 x i8]* %4, i64 0, i64 0
%6 = load i8*, i8** %1
%7 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %6, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%8 = icmp eq i32 %7, 0
br i1 %8, label %11, label %9
9: ; preds = %3
%10 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 21)
br label %11
11: ; preds = %9, %3
%12 = getelementptr inbounds i8*, i8** %1, i64 1
%13 = load i8*, i8** %12
%14 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %13, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0))
%15 = icmp eq i32 %14, 0
br i1 %15, label %18, label %16
16: ; preds = %11
%17 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 22)
br label %18
18: ; preds = %16, %11
%19 = getelementptr inbounds i8*, i8** %1, i64 2
%20 = load i8*, i8** %19
%21 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %20, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%22 = icmp eq i32 %21, 0
br i1 %22, label %25, label %23
23: ; preds = %18
%24 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 23)
br label %25
25: ; preds = %23, %18
%26 = getelementptr inbounds i8*, i8** %1, i64 3
%27 = load i8*, i8** %26
%28 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %27, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%29 = icmp eq i32 %28, 0
br i1 %29, label %32, label %30
30: ; preds = %25
%31 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 24)
br label %32
32: ; preds = %30, %25
%33 = load i8*, i8** %2
%34 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %33, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%35 = icmp eq i32 %34, 0
br i1 %35, label %38, label %36
36: ; preds = %32
%37 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 25)
br label %38
38: ; preds = %36, %32
%39 = getelementptr inbounds i8*, i8** %2, i64 1
%40 = load i8*, i8** %39
%41 = tail call i32 (i8*, i8*, ...) bitcast (i32 (...)* @diff to i32 (i8*, i8*, ...)*)(i8* %40, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0))
%42 = icmp eq i32 %41, 0
br i1 %42, label %45, label %43
43: ; preds = %38
%44 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 26)
br label %45
45: ; preds = %43, %38
%46 = icmp eq i32 %0, 4
br i1 %46, label %49, label %47
47: ; preds = %45
%48 = tail call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 27)
br label %49
49: ; preds = %47, %45
%50 = call i32 (i32, i8*, i32, ...) bitcast (i32 (...)* @read to i32 (i32, i8*, i32, ...)*)(i32 3, i8* %5, i32 1000)
%51 = icmp eq i32 %50, 2
br i1 %51, label %54, label %52
52: ; preds = %49
%53 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 28)
br label %54
54: ; preds = %52, %49
%55 = load i8, i8* %5
%56 = icmp ne i8 %55, 7
%57 = getelementptr inbounds [4 x i8], [4 x i8]* %4, i64 0, i64 1
%58 = load i8, i8* %57
%59 = icmp ne i8 %58, 9
%60 = select i1 %56, i1 true, i1 %59
br i1 %60, label %61, label %63
61: ; preds = %54
%62 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 29)
br label %63
63: ; preds = %54, %61
%64 = call i32 (...) @getuid()
%65 = icmp eq i32 %64, 10
br i1 %65, label %66, label %68
66: ; preds = %63
%67 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 30)
br label %68
68: ; preds = %66, %63
%69 = call i32 (...) @geteuid()
%70 = icmp eq i32 %69, 10
br i1 %70, label %73, label %71
71: ; preds = %68
%72 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 31)
br label %73
73: ; preds = %71, %68
%74 = call i32 (...) @getgid()
%75 = icmp eq i32 %74, 20
br i1 %75, label %76, label %78
76: ; preds = %73
%77 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 32)
br label %78
78: ; preds = %76, %73
%79 = call i32 (...) @getegid()
%80 = icmp eq i32 %79, 20
br i1 %80, label %83, label %81
81: ; preds = %78
%82 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 33)
br label %83
83: ; preds = %81, %78
%84 = call i32 (i8*, i32, ...) bitcast (i32 (...)* @open to i32 (i8*, i32, ...)*)(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i32 0)
%85 = icmp slt i32 %84, 0
br i1 %85, label %86, label %88
86: ; preds = %83
%87 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 34)
br label %88
88: ; preds = %86, %83
%89 = call i32 (i8*, i32, ...) bitcast (i32 (...)* @open to i32 (i8*, i32, ...)*)(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32 0)
%90 = icmp slt i32 %89, 0
br i1 %90, label %91, label %93
91: ; preds = %88
%92 = call i32 (i32, ...) bitcast (i32 (...)* @e to i32 (i32, ...)*)(i32 35)
br label %93
93: ; preds = %91, %88
unreachable
}