#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 */
struct option {
  char *member_0;
  int /*<<< orphan*/ member_3;
  int /*<<< orphan*/ member_2;
  int /*<<< orphan*/ member_1;
};

/* Variables and functions */
int getopt_long_only(int, char **, char const *, struct option *, int *);
int /*<<< orphan*/ no_argument;
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int ret;
  int index;
  const char *opstring = "";
  struct option options[] = {
      {"quit", no_argument, 0, 0}, {"help", no_argument, 0, 0},
      {"fl", no_argument, 0, 0},   {"fc", no_argument, 0, 0},
      {"fu", no_argument, 0, 0},   {"fg", no_argument, 0, 0},
      {"fd", no_argument, 0, 0},   {0, 0, 0, 0}};
  printf("hello world.\n");
  while (-1 !=
         (ret = getopt_long_only(argc, argv, opstring, options, &index))) {
    printf("index = %d\n", index);
    switch (index) {
    case 0:
      printf("case 0\n");
      break;
    case 1:
      printf("case 1\n");
      break;
    default:
      printf("case default\n");
      break;
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xf0,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xed6(%rip),%rax
mov    %rax,-0x20(%rbp)
lea    -0xe0(%rbp),%rdi
lea    0xe9e(%rip),%rax
mov    %rax,-0xe0(%rbp)
mov    0x2e70(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0xd8(%rbp)
movl   $0x0,-0xd4(%rbp)
movl   $0x0,-0xd0(%rbp)
add    $0x18,%rdi
lea    0xe6e(%rip),%rax
mov    %rax,-0xc8(%rbp)
mov    0x2e3b(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0xc0(%rbp)
movl   $0x0,-0xbc(%rbp)
movl   $0x0,-0xb8(%rbp)
add    $0x18,%rdi
lea    0xe3e(%rip),%rax
mov    %rax,-0xb0(%rbp)
mov    0x2e06(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0xa8(%rbp)
movl   $0x0,-0xa4(%rbp)
movl   $0x0,-0xa0(%rbp)
add    $0x18,%rdi
lea    0xe0c(%rip),%rax
mov    %rax,-0x98(%rbp)
mov    0x2dd1(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x90(%rbp)
movl   $0x0,-0x8c(%rbp)
movl   $0x0,-0x88(%rbp)
add    $0x18,%rdi
lea    0xdda(%rip),%rax
mov    %rax,-0x80(%rbp)
mov    0x2d9f(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x78(%rbp)
movl   $0x0,-0x74(%rbp)
movl   $0x0,-0x70(%rbp)
add    $0x18,%rdi
lea    0xdb4(%rip),%rax
mov    %rax,-0x68(%rbp)
mov    0x2d76(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x60(%rbp)
movl   $0x0,-0x5c(%rbp)
movl   $0x0,-0x58(%rbp)
add    $0x18,%rdi
lea    0xd8e(%rip),%rax
mov    %rax,-0x50(%rbp)
mov    0x2d4d(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x48(%rbp)
movl   $0x0,-0x44(%rbp)
movl   $0x0,-0x40(%rbp)
add    $0x18,%rdi
xor    %esi,%esi
mov    $0x18,%edx
call   1040 <memset@plt>
lea    0xd5c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rsi
mov    -0x20(%rbp),%rdx
lea    -0xe0(%rbp),%rcx
lea    -0x18(%rbp),%r8
call   1050 <getopt_long_only@plt>
mov    %eax,%ecx
mov    %ecx,-0x14(%rbp)
mov    $0xffffffff,%eax
cmp    %ecx,%eax
je     1365 <main+0x235>
mov    -0x18(%rbp),%esi
lea    0xd2c(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    -0x18(%rbp),%eax
mov    %eax,-0xe4(%rbp)
test   %eax,%eax
je     132c <main+0x1fc>
jmp    1318 <main+0x1e8>
mov    -0xe4(%rbp),%eax
sub    $0x1,%eax
je     133f <main+0x20f>
jmp    1352 <main+0x222>
lea    0xd00(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1360 <main+0x230>
lea    0xcf5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1360 <main+0x230>
lea    0xcea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    12c4 <main+0x194>
xor    %eax,%eax
add    $0xf0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0xd8,%rsp
mov    %rsi,%rbx
mov    %edi,%ebp
lea    0xeb3(%rip),%rax
mov    %rax,0x10(%rsp)
mov    0x2e87(%rip),%rax
mov    (%rax),%eax
mov    %eax,0x18(%rsp)
movq   $0x0,0x1c(%rsp)
lea    0xe96(%rip),%rcx
mov    %rcx,0x28(%rsp)
mov    %eax,0x30(%rsp)
movq   $0x0,0x34(%rsp)
lea    0xe82(%rip),%rcx
mov    %rcx,0x40(%rsp)
mov    %eax,0x48(%rsp)
movq   $0x0,0x4c(%rsp)
lea    0xe6c(%rip),%rcx
mov    %rcx,0x58(%rsp)
mov    %eax,0x60(%rsp)
movq   $0x0,0x64(%rsp)
lea    0xe56(%rip),%rcx
mov    %rcx,0x70(%rsp)
mov    %eax,0x78(%rsp)
movq   $0x0,0x7c(%rsp)
lea    0xe40(%rip),%rcx
mov    %rcx,0x88(%rsp)
mov    %eax,0x90(%rsp)
movq   $0x0,0x94(%rsp)
lea    0xe21(%rip),%rcx
mov    %rcx,0xa0(%rsp)
mov    %eax,0xa8(%rsp)
movq   $0x0,0xac(%rsp)
xorps  %xmm0,%xmm0
movups %xmm0,0xb8(%rsp)
movq   $0x0,0xc8(%rsp)
lea    0xdf7(%rip),%rdi
call   1030 <puts@plt>
lea    0xdea(%rip),%rdx
lea    0x10(%rsp),%rcx
lea    0xc(%rsp),%r8
mov    %ebp,%edi
mov    %rbx,%rsi
call   1050 <getopt_long_only@plt>
cmp    $0xffffffff,%eax
je     12be <main+0x18e>
lea    0xddf(%rip),%r14
lea    0xdc3(%rip),%r15
lea    0x10(%rsp),%r12
lea    0xc(%rsp),%r13
nopl   0x0(%rax,%rax,1)
mov    0xc(%rsp),%esi
lea    0xd9e(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%eax
cmp    $0x1,%eax
lea    0xdb0(%rip),%rdi
lea    0xd9b(%rip),%rcx
cmove  %rcx,%rdi
test   %eax,%eax
cmove  %r14,%rdi
call   1030 <puts@plt>
mov    %ebp,%edi
mov    %rbx,%rsi
mov    %r15,%rdx
mov    %r12,%rcx
mov    %r13,%r8
call   1050 <getopt_long_only@plt>
cmp    $0xffffffff,%eax
jne    1270 <main+0x140>
xor    %eax,%eax
add    $0xd8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
%struct.option = type { i8*, i32, i32, i32 }
@.str = [1 x i8] zeroinitializer
@.str.1 = [5 x i8] c"quit\00"
@no_argument = global i32 0
@.str.2 = [5 x i8] c"help\00"
@.str.3 = [3 x i8] c"fl\00"
@.str.4 = [3 x i8] c"fc\00"
@.str.5 = [3 x i8] c"fu\00"
@.str.6 = [3 x i8] c"fg\00"
@.str.7 = [3 x i8] c"fd\00"
@.str.8 = [14 x i8] c"hello world.\0A\00"
@.str.9 = [12 x i8] c"index = %d\0A\00"
@.str.10 = [8 x i8] c"case 0\0A\00"
@.str.11 = [8 x i8] c"case 1\0A\00"
@.str.12 = [14 x i8] c"case default\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i8*
%9 = alloca [8 x %struct.option]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i8** %8
%10 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %9, i64 0, i64 0
%11 = getelementptr inbounds %struct.option, %struct.option* %10, i32 0, i32 0
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8** %11
%12 = getelementptr inbounds %struct.option, %struct.option* %10, i32 0, i32 1
%13 = load i32, i32* @no_argument
store i32 %13, i32* %12
%14 = getelementptr inbounds %struct.option, %struct.option* %10, i32 0, i32 2
store i32 0, i32* %14
%15 = getelementptr inbounds %struct.option, %struct.option* %10, i32 0, i32 3
store i32 0, i32* %15
%16 = getelementptr inbounds %struct.option, %struct.option* %10, i64 1
%17 = getelementptr inbounds %struct.option, %struct.option* %16, i32 0, i32 0
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8** %17
%18 = getelementptr inbounds %struct.option, %struct.option* %16, i32 0, i32 1
%19 = load i32, i32* @no_argument
store i32 %19, i32* %18
%20 = getelementptr inbounds %struct.option, %struct.option* %16, i32 0, i32 2
store i32 0, i32* %20
%21 = getelementptr inbounds %struct.option, %struct.option* %16, i32 0, i32 3
store i32 0, i32* %21
%22 = getelementptr inbounds %struct.option, %struct.option* %16, i64 1
%23 = getelementptr inbounds %struct.option, %struct.option* %22, i32 0, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8** %23
%24 = getelementptr inbounds %struct.option, %struct.option* %22, i32 0, i32 1
%25 = load i32, i32* @no_argument
store i32 %25, i32* %24
%26 = getelementptr inbounds %struct.option, %struct.option* %22, i32 0, i32 2
store i32 0, i32* %26
%27 = getelementptr inbounds %struct.option, %struct.option* %22, i32 0, i32 3
store i32 0, i32* %27
%28 = getelementptr inbounds %struct.option, %struct.option* %22, i64 1
%29 = getelementptr inbounds %struct.option, %struct.option* %28, i32 0, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i8** %29
%30 = getelementptr inbounds %struct.option, %struct.option* %28, i32 0, i32 1
%31 = load i32, i32* @no_argument
store i32 %31, i32* %30
%32 = getelementptr inbounds %struct.option, %struct.option* %28, i32 0, i32 2
store i32 0, i32* %32
%33 = getelementptr inbounds %struct.option, %struct.option* %28, i32 0, i32 3
store i32 0, i32* %33
%34 = getelementptr inbounds %struct.option, %struct.option* %28, i64 1
%35 = getelementptr inbounds %struct.option, %struct.option* %34, i32 0, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0), i8** %35
%36 = getelementptr inbounds %struct.option, %struct.option* %34, i32 0, i32 1
%37 = load i32, i32* @no_argument
store i32 %37, i32* %36
%38 = getelementptr inbounds %struct.option, %struct.option* %34, i32 0, i32 2
store i32 0, i32* %38
%39 = getelementptr inbounds %struct.option, %struct.option* %34, i32 0, i32 3
store i32 0, i32* %39
%40 = getelementptr inbounds %struct.option, %struct.option* %34, i64 1
%41 = getelementptr inbounds %struct.option, %struct.option* %40, i32 0, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i8** %41
%42 = getelementptr inbounds %struct.option, %struct.option* %40, i32 0, i32 1
%43 = load i32, i32* @no_argument
store i32 %43, i32* %42
%44 = getelementptr inbounds %struct.option, %struct.option* %40, i32 0, i32 2
store i32 0, i32* %44
%45 = getelementptr inbounds %struct.option, %struct.option* %40, i32 0, i32 3
store i32 0, i32* %45
%46 = getelementptr inbounds %struct.option, %struct.option* %40, i64 1
%47 = getelementptr inbounds %struct.option, %struct.option* %46, i32 0, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i8** %47
%48 = getelementptr inbounds %struct.option, %struct.option* %46, i32 0, i32 1
%49 = load i32, i32* @no_argument
store i32 %49, i32* %48
%50 = getelementptr inbounds %struct.option, %struct.option* %46, i32 0, i32 2
store i32 0, i32* %50
%51 = getelementptr inbounds %struct.option, %struct.option* %46, i32 0, i32 3
store i32 0, i32* %51
%52 = getelementptr inbounds %struct.option, %struct.option* %46, i64 1
%53 = bitcast %struct.option* %52 to i8*
%54 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.8, i64 0, i64 0))
br label %55
55: ; preds = %72, %2
%56 = load i32, i32* %4
%57 = load i8**, i8*** %5
%58 = load i8*, i8** %8
%59 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %9, i64 0, i64 0
%60 = call i32 @getopt_long_only(i32 %56, i8** %57, i8* %58, %struct.option* %59, i32* %7)
store i32 %60, i32* %6
%61 = icmp ne i32 -1, %60
br i1 %61, label %62, label %73
62: ; preds = %55
%63 = load i32, i32* %7
%64 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0), i32 %63)
%65 = load i32, i32* %7
switch i32 %65, label %70 [
i32 0, label %66
i32 1, label %68
]
66: ; preds = %62
%67 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.10, i64 0, i64 0))
br label %72
68: ; preds = %62
%69 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.11, i64 0, i64 0))
br label %72
70: ; preds = %62
%71 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.12, i64 0, i64 0))
br label %72
72: ; preds = %70, %68, %66
br label %55
73: ; preds = %55
ret i32 0
}

LLVM IR (-O2):
%struct.option = type { i8*, i32, i32, i32 }
@.str = [1 x i8] zeroinitializer
@.str.1 = [5 x i8] c"quit\00"
@no_argument = global i32 0
@.str.2 = [5 x i8] c"help\00"
@.str.3 = [3 x i8] c"fl\00"
@.str.4 = [3 x i8] c"fc\00"
@.str.5 = [3 x i8] c"fu\00"
@.str.6 = [3 x i8] c"fg\00"
@.str.7 = [3 x i8] c"fd\00"
@.str.9 = [12 x i8] c"index = %d\0A\00"
@str = [13 x i8] c"hello world.\00"
@str.13 = [7 x i8] c"case 1\00"
@str.14 = [7 x i8] c"case 0\00"
@str.15 = [13 x i8] c"case default\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca [8 x %struct.option]
%5 = bitcast i32* %3 to i8*
%6 = bitcast [8 x %struct.option]* %4 to i8*
%7 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 0
%8 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 0, i32 0
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i8** %8
%9 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 0, i32 1
%10 = load i32, i32* @no_argument
store i32 %10, i32* %9
%11 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 0, i32 2
store i32 0, i32* %11
%12 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 0, i32 3
store i32 0, i32* %12
%13 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 1, i32 0
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8** %13
%14 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 1, i32 1
store i32 %10, i32* %14
%15 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 1, i32 2
store i32 0, i32* %15
%16 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 1, i32 3
store i32 0, i32* %16
%17 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 2, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8** %17
%18 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 2, i32 1
store i32 %10, i32* %18
%19 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 2, i32 2
store i32 0, i32* %19
%20 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 2, i32 3
store i32 0, i32* %20
%21 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 3, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.4, i64 0, i64 0), i8** %21
%22 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 3, i32 1
store i32 %10, i32* %22
%23 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 3, i32 2
store i32 0, i32* %23
%24 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 3, i32 3
store i32 0, i32* %24
%25 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 4, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0), i8** %25
%26 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 4, i32 1
store i32 %10, i32* %26
%27 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 4, i32 2
store i32 0, i32* %27
%28 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 4, i32 3
store i32 0, i32* %28
%29 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 5, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0), i8** %29
%30 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 5, i32 1
store i32 %10, i32* %30
%31 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 5, i32 2
store i32 0, i32* %31
%32 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 5, i32 3
store i32 0, i32* %32
%33 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 6, i32 0
store i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i8** %33
%34 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 6, i32 1
store i32 %10, i32* %34
%35 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 6, i32 2
store i32 0, i32* %35
%36 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 6, i32 3
store i32 0, i32* %36
%37 = getelementptr inbounds [8 x %struct.option], [8 x %struct.option]* %4, i64 0, i64 7
%38 = bitcast %struct.option* %37 to i8*
%39 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str, i64 0, i64 0))
%40 = call i32 @getopt_long_only(i32 %0, i8** %1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), %struct.option* %7, i32* %3)
%41 = icmp eq i32 %40, -1
br i1 %41, label %53, label %42
42: ; preds = %2, %42
%43 = load i32, i32* %3
%44 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i64 0, i64 0), i32 %43)
%45 = load i32, i32* %3
%46 = icmp eq i32 %45, 1
%47 = select i1 %46, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @str.13, i64 0, i64 0), i8* getelementptr inbounds ([13 x i8], [13 x i8]* @str.15, i64 0, i64 0)
%48 = icmp eq i32 %45, 0
%49 = select i1 %48, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @str.14, i64 0, i64 0), i8* %47
%50 = call i32 @puts(i8* dereferenceable(1) %49)
%51 = call i32 @getopt_long_only(i32 %0, i8** %1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), %struct.option* %7, i32* %3)
%52 = icmp eq i32 %51, -1
br i1 %52, label %53, label %42
53: ; preds = %42, %2
ret i32 0
}