#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 sockaddr_storage {
  int dummy;
};
struct sockaddr_in6 {
  int /*<<< orphan*/ sin6_addr;
};
struct sockaddr_in {
  int /*<<< orphan*/ sin_addr;
};
struct sockaddr {
  int sa_family;
};
typedef int /*<<< orphan*/ str;
typedef int /*<<< orphan*/ ss;
typedef int socklen_t;

/* Variables and functions */
#define AF_INET 129
#define AF_INET6 128
int /*<<< orphan*/ EXIT_FAILURE;
int /*<<< orphan*/ EXIT_SUCCESS;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fputs(char *, int /*<<< orphan*/);
scalar_t__ getpeername(int, struct sockaddr *, int *);
int /*<<< orphan*/ *inet_ntop(int const, int /*<<< orphan*/ *, char *, int);
int /*<<< orphan*/ perror(char *);
int /*<<< orphan*/ printf(char *, ...);
int read(int, char *, int);
int /*<<< orphan*/ stdout;
int tcp_connect(char *, char *);
int main(int argc, char *argv[]) {
  int sockfd, n;
  socklen_t len;
  struct sockaddr_storage ss;
  struct sockaddr *sa;
  struct sockaddr_in *sin4;
  struct sockaddr_in6 *sin6;
  char str[256] = {'\0'};
  char recv_line[256] = {'\0'};
  if (argc != 3) {
    printf("USAGE: %s <hostname/IPaddress> <service/port>.\n", argv[0]);
    exit(EXIT_SUCCESS);
  }
  sockfd = tcp_connect(argv[1], argv[2]);
  len = sizeof(ss);
  if (getpeername(sockfd, (struct sockaddr *)&ss, &len) < 0) {
    perror("getpeername");
    exit(EXIT_FAILURE);
  }
  sa = (struct sockaddr *)&ss;
  switch (sa->sa_family) {
  case AF_INET:
    printf("AF_INET.\n");
    sin4 = (struct sockaddr_in *)&ss;
    if (NULL == inet_ntop(AF_INET, &(sin4->sin_addr), str, sizeof(str))) {
      perror("inet_ntop");
      exit(EXIT_FAILURE);
    }
    break;
  case AF_INET6:
    printf("AF_INET6.\n");
    sin6 = (struct sockaddr_in6 *)&ss;
    if (NULL == inet_ntop(AF_INET6, &(sin6->sin6_addr), str, sizeof(str))) {
      perror("inet_ntop");
      exit(EXIT_FAILURE);
    }
    break;
  default:
    printf("unknown type.\n");
    exit(EXIT_FAILURE);
  }
  printf("connect to %s\n", str);
  while ((n = read(sockfd, recv_line, 256)) > 0) {
    recv_line[n] = '\0';
    fputs(recv_line, stdout);
  }
  exit(EXIT_SUCCESS);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x250,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    -0x140(%rbp),%rdi
xor    %esi,%esi
mov    $0x100,%edx
call   1080 <memset@plt>
lea    -0x240(%rbp),%rdi
xor    %esi,%esi
mov    $0x100,%edx
call   1080 <memset@plt>
cmpl   $0x3,-0x8(%rbp)
je     11fc <main+0x6c>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe19(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
mov    0x2ddb(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1040 <tcp_connect@plt>
mov    %eax,-0x14(%rbp)
movl   $0x4,-0x1c(%rbp)
mov    -0x14(%rbp),%edi
lea    -0x20(%rbp),%rsi
lea    -0x1c(%rbp),%rdx
call   1050 <getpeername@plt>
cmp    $0x0,%rax
jge    124f <main+0xbf>
lea    0xdf4(%rip),%rdi
call   10a0 <perror@plt>
mov    0x2d98(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
lea    -0x20(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x28(%rbp),%rax
mov    (%rax),%eax
mov    %eax,-0x244(%rbp)
sub    $0x80,%eax
je     12e6 <main+0x156>
jmp    1273 <main+0xe3>
mov    -0x244(%rbp),%eax
sub    $0x81,%eax
jne    1343 <main+0x1b3>
jmp    1289 <main+0xf9>
lea    0xdac(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
lea    -0x20(%rbp),%rax
mov    %rax,-0x30(%rbp)
mov    -0x30(%rbp),%rsi
lea    -0x140(%rbp),%rdx
mov    $0x81,%edi
mov    $0x100,%ecx
call   1030 <inet_ntop@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
jne    12e1 <main+0x151>
lea    0xd78(%rip),%rdi
call   10a0 <perror@plt>
mov    0x2d06(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
jmp    135f <main+0x1cf>
lea    0xd63(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
lea    -0x20(%rbp),%rax
mov    %rax,-0x38(%rbp)
mov    -0x38(%rbp),%rsi
lea    -0x140(%rbp),%rdx
mov    $0x80,%edi
mov    $0x100,%ecx
call   1030 <inet_ntop@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    %rcx,%rax
jne    133e <main+0x1ae>
lea    0xd1b(%rip),%rdi
call   10a0 <perror@plt>
mov    0x2ca9(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
jmp    135f <main+0x1cf>
lea    0xd11(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
mov    0x2c88(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
lea    -0x140(%rbp),%rsi
lea    0xcfd(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
mov    -0x14(%rbp),%edi
lea    -0x240(%rbp),%rsi
mov    $0x100,%edx
call   1090 <read@plt>
mov    %eax,-0x18(%rbp)
cmp    $0x0,%eax
jle    13ba <main+0x22a>
movslq -0x18(%rbp),%rax
movb   $0x0,-0x240(%rbp,%rax,1)
lea    -0x240(%rbp),%rdi
mov    0x2c2a(%rip),%rax
mov    (%rax),%esi
call   1070 <fputs@plt>
jmp    1374 <main+0x1e4>
mov    0x2c0f(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
sub    $0x210,%rsp
xorps  %xmm0,%xmm0
movaps %xmm0,0x200(%rsp)
movaps %xmm0,0x1f0(%rsp)
movaps %xmm0,0x1e0(%rsp)
movaps %xmm0,0x1d0(%rsp)
movaps %xmm0,0x1c0(%rsp)
movaps %xmm0,0x1b0(%rsp)
movaps %xmm0,0x1a0(%rsp)
movaps %xmm0,0x190(%rsp)
movaps %xmm0,0x180(%rsp)
movaps %xmm0,0x170(%rsp)
movaps %xmm0,0x160(%rsp)
movaps %xmm0,0x150(%rsp)
movaps %xmm0,0x140(%rsp)
movaps %xmm0,0x130(%rsp)
movaps %xmm0,0x120(%rsp)
movaps %xmm0,0x110(%rsp)
movaps %xmm0,0x100(%rsp)
movaps %xmm0,0xf0(%rsp)
movaps %xmm0,0xe0(%rsp)
movaps %xmm0,0xd0(%rsp)
movaps %xmm0,0xc0(%rsp)
movaps %xmm0,0xb0(%rsp)
movaps %xmm0,0xa0(%rsp)
movaps %xmm0,0x90(%rsp)
movaps %xmm0,0x80(%rsp)
movaps %xmm0,0x70(%rsp)
movaps %xmm0,0x60(%rsp)
movaps %xmm0,0x50(%rsp)
movaps %xmm0,0x40(%rsp)
movaps %xmm0,0x30(%rsp)
movaps %xmm0,0x20(%rsp)
movaps %xmm0,0x10(%rsp)
cmp    $0x3,%edi
jne    12c8 <main+0x138>
mov    0x8(%rsi),%rdi
mov    0x10(%rsi),%rsi
call   1050 <tcp_connect@plt>
mov    %eax,%r14d
movl   $0x4,0xc(%rsp)
lea    0x8(%rsp),%rsi
lea    0xc(%rsp),%rdx
mov    %eax,%edi
call   1060 <getpeername@plt>
test   %rax,%rax
jns    12e7 <main+0x157>
lea    0xd6d(%rip),%rdi
jmp    134d <main+0x1bd>
mov    (%rsi),%rsi
lea    0xd2e(%rip),%rdi
xor    %eax,%eax
call   1070 <printf@plt>
mov    0x2cf0(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
mov    0x8(%rsp),%eax
cmp    $0x80,%eax
je     1319 <main+0x189>
cmp    $0x81,%eax
jne    1360 <main+0x1d0>
lea    0xd5f(%rip),%rdi
call   1040 <puts@plt>
lea    0x8(%rsp),%rsi
lea    0x110(%rsp),%rdx
mov    $0x81,%edi
jmp    1337 <main+0x1a7>
lea    0xd35(%rip),%rdi
call   1040 <puts@plt>
lea    0x8(%rsp),%rsi
lea    0x110(%rsp),%rdx
mov    $0x80,%edi
mov    $0x100,%ecx
call   1030 <inet_ntop@plt>
test   %rax,%rax
jne    136e <main+0x1de>
lea    0xcef(%rip),%rdi
call   10a0 <perror@plt>
mov    0x2c87(%rip),%rax
mov    (%rax),%edi
call   10b0 <exit@plt>
lea    0xd01(%rip),%rdi
call   1040 <puts@plt>
jmp    1352 <main+0x1c2>
lea    0xcd1(%rip),%rdi
lea    0x110(%rsp),%rsi
xor    %eax,%eax
call   1070 <printf@plt>
lea    0x10(%rsp),%rsi
mov    %r14d,%edi
mov    $0x100,%edx
call   1090 <read@plt>
test   %eax,%eax
jle    12d9 <main+0x149>
mov    0x2c33(%rip),%rbp
lea    0x10(%rsp),%rbx
nopw   0x0(%rax,%rax,1)
mov    %eax,%eax
movb   $0x0,0x10(%rsp,%rax,1)
mov    0x0(%rbp),%esi
mov    %rbx,%rdi
call   1080 <fputs@plt>
mov    %r14d,%edi
mov    %rbx,%rsi
mov    $0x100,%edx
call   1090 <read@plt>
test   %eax,%eax
jg     13b0 <main+0x220>
jmp    12d9 <main+0x149>

LLVM IR (-O0):
%struct.sockaddr_storage = type { i32 }
%struct.sockaddr = type { i32 }
%struct.sockaddr_in = type { i32 }
%struct.sockaddr_in6 = type { i32 }
@.str = [48 x i8] c"USAGE: %s <hostname/IPaddress> <service/port>.\0A\00"
@EXIT_SUCCESS = global i32 0
@.str.1 = [12 x i8] c"getpeername\00"
@EXIT_FAILURE = global i32 0
@.str.2 = [10 x i8] c"AF_INET.\0A\00"
@.str.3 = [10 x i8] c"inet_ntop\00"
@.str.4 = [11 x i8] c"AF_INET6.\0A\00"
@.str.5 = [15 x i8] c"unknown type.\0A\00"
@.str.6 = [15 x i8] c"connect to %s\0A\00"
@stdout = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca %struct.sockaddr_storage
%10 = alloca %struct.sockaddr*
%11 = alloca %struct.sockaddr_in*
%12 = alloca %struct.sockaddr_in6*
%13 = alloca [256 x i8]
%14 = alloca [256 x i8]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%15 = bitcast [256 x i8]* %13 to i8*
%16 = bitcast [256 x i8]* %14 to i8*
%17 = load i32, i32* %4
%18 = icmp ne i32 %17, 3
br i1 %18, label %19, label %26
19: ; preds = %2
%20 = load i8**, i8*** %5
%21 = getelementptr inbounds i8*, i8** %20, i64 0
%22 = load i8*, i8** %21
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0), i8* %22)
%24 = load i32, i32* @EXIT_SUCCESS
%25 = call i32 @exit(i32 %24)
unreachable
26: ; preds = %2
%27 = load i8**, i8*** %5
%28 = getelementptr inbounds i8*, i8** %27, i64 1
%29 = load i8*, i8** %28
%30 = load i8**, i8*** %5
%31 = getelementptr inbounds i8*, i8** %30, i64 2
%32 = load i8*, i8** %31
%33 = call i32 @tcp_connect(i8* %29, i8* %32)
store i32 %33, i32* %6
store i32 4, i32* %8
%34 = load i32, i32* %6
%35 = bitcast %struct.sockaddr_storage* %9 to %struct.sockaddr*
%36 = call i64 @getpeername(i32 %34, %struct.sockaddr* %35, i32* %8)
%37 = icmp slt i64 %36, 0
br i1 %37, label %38, label %42
38: ; preds = %26
%39 = call i32 @perror(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%40 = load i32, i32* @EXIT_FAILURE
%41 = call i32 @exit(i32 %40)
unreachable
42: ; preds = %26
%43 = bitcast %struct.sockaddr_storage* %9 to %struct.sockaddr*
store %struct.sockaddr* %43, %struct.sockaddr** %10
%44 = load %struct.sockaddr*, %struct.sockaddr** %10
%45 = getelementptr inbounds %struct.sockaddr, %struct.sockaddr* %44, i32 0, i32 0
%46 = load i32, i32* %45
switch i32 %46, label %73 [
i32 129, label %47
i32 128, label %60
]
47: ; preds = %42
%48 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%49 = bitcast %struct.sockaddr_storage* %9 to %struct.sockaddr_in*
store %struct.sockaddr_in* %49, %struct.sockaddr_in** %11
%50 = load %struct.sockaddr_in*, %struct.sockaddr_in** %11
%51 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %50, i32 0, i32 0
%52 = getelementptr inbounds [256 x i8], [256 x i8]* %13, i64 0, i64 0
%53 = call i32* @inet_ntop(i32 129, i32* %51, i8* %52, i32 256)
%54 = icmp eq i32* null, %53
br i1 %54, label %55, label %59
55: ; preds = %47
%56 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%57 = load i32, i32* @EXIT_FAILURE
%58 = call i32 @exit(i32 %57)
unreachable
59: ; preds = %47
br label %77
60: ; preds = %42
%61 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0))
%62 = bitcast %struct.sockaddr_storage* %9 to %struct.sockaddr_in6*
store %struct.sockaddr_in6* %62, %struct.sockaddr_in6** %12
%63 = load %struct.sockaddr_in6*, %struct.sockaddr_in6** %12
%64 = getelementptr inbounds %struct.sockaddr_in6, %struct.sockaddr_in6* %63, i32 0, i32 0
%65 = getelementptr inbounds [256 x i8], [256 x i8]* %13, i64 0, i64 0
%66 = call i32* @inet_ntop(i32 128, i32* %64, i8* %65, i32 256)
%67 = icmp eq i32* null, %66
br i1 %67, label %68, label %72
68: ; preds = %60
%69 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%70 = load i32, i32* @EXIT_FAILURE
%71 = call i32 @exit(i32 %70)
unreachable
72: ; preds = %60
br label %77
73: ; preds = %42
%74 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0))
%75 = load i32, i32* @EXIT_FAILURE
%76 = call i32 @exit(i32 %75)
unreachable
77: ; preds = %72, %59
%78 = getelementptr inbounds [256 x i8], [256 x i8]* %13, i64 0, i64 0
%79 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0), i8* %78)
br label %80
80: ; preds = %85, %77
%81 = load i32, i32* %6
%82 = getelementptr inbounds [256 x i8], [256 x i8]* %14, i64 0, i64 0
%83 = call i32 @read(i32 %81, i8* %82, i32 256)
store i32 %83, i32* %7
%84 = icmp sgt i32 %83, 0
br i1 %84, label %85, label %92
85: ; preds = %80
%86 = load i32, i32* %7
%87 = sext i32 %86 to i64
%88 = getelementptr inbounds [256 x i8], [256 x i8]* %14, i64 0, i64 %87
store i8 0, i8* %88
%89 = getelementptr inbounds [256 x i8], [256 x i8]* %14, i64 0, i64 0
%90 = load i32, i32* @stdout
%91 = call i32 @fputs(i8* %89, i32 %90)
br label %80
92: ; preds = %80
%93 = load i32, i32* @EXIT_SUCCESS
%94 = call i32 @exit(i32 %93)
unreachable
}

LLVM IR (-O2):
%struct.sockaddr_storage = type { i32 }
%struct.sockaddr = type { i32 }
@.str = [48 x i8] c"USAGE: %s <hostname/IPaddress> <service/port>.\0A\00"
@EXIT_SUCCESS = global i32 0
@.str.1 = [12 x i8] c"getpeername\00"
@EXIT_FAILURE = global i32 0
@.str.3 = [10 x i8] c"inet_ntop\00"
@.str.6 = [15 x i8] c"connect to %s\0A\00"
@stdout = global i32 0
@str = [10 x i8] c"AF_INET6.\00"
@str.7 = [9 x i8] c"AF_INET.\00"
@str.8 = [14 x i8] c"unknown type.\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = alloca i32
%4 = alloca %struct.sockaddr_storage
%5 = alloca [256 x i8]
%6 = alloca [256 x i8]
%7 = bitcast i32* %3 to i8*
%8 = bitcast %struct.sockaddr_storage* %4 to i8*
%9 = getelementptr inbounds [256 x i8], [256 x i8]* %5, i64 0, i64 0
%10 = getelementptr inbounds [256 x i8], [256 x i8]* %6, i64 0, i64 0
%11 = icmp eq i32 %0, 3
br i1 %11, label %17, label %12
12: ; preds = %2
%13 = load i8*, i8** %1
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @.str, i64 0, i64 0), i8* %13)
%15 = load i32, i32* @EXIT_SUCCESS
%16 = tail call i32 @exit(i32 %15)
unreachable
17: ; preds = %2
%18 = getelementptr inbounds i8*, i8** %1, i64 1
%19 = load i8*, i8** %18
%20 = getelementptr inbounds i8*, i8** %1, i64 2
%21 = load i8*, i8** %20
%22 = tail call i32 @tcp_connect(i8* %19, i8* %21)
store i32 4, i32* %3
%23 = bitcast %struct.sockaddr_storage* %4 to %struct.sockaddr*
%24 = call i64 @getpeername(i32 %22, %struct.sockaddr* %23, i32* %3)
%25 = icmp slt i64 %24, 0
br i1 %25, label %26, label %30
26: ; preds = %17
%27 = call i32 @perror(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%28 = load i32, i32* @EXIT_FAILURE
%29 = call i32 @exit(i32 %28)
unreachable
30: ; preds = %17
%31 = getelementptr inbounds %struct.sockaddr_storage, %struct.sockaddr_storage* %4, i64 0, i32 0
%32 = load i32, i32* %31
switch i32 %32, label %49 [
i32 129, label %33
i32 128, label %41
]
33: ; preds = %30
%34 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%35 = call i32* @inet_ntop(i32 129, i32* %31, i8* %9, i32 256)
%36 = icmp eq i32* %35, null
br i1 %36, label %37, label %53
37: ; preds = %33
%38 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%39 = load i32, i32* @EXIT_FAILURE
%40 = call i32 @exit(i32 %39)
unreachable
41: ; preds = %30
%42 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%43 = call i32* @inet_ntop(i32 128, i32* %31, i8* %9, i32 256)
%44 = icmp eq i32* %43, null
br i1 %44, label %45, label %53
45: ; preds = %41
%46 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.3, i64 0, i64 0))
%47 = load i32, i32* @EXIT_FAILURE
%48 = call i32 @exit(i32 %47)
unreachable
49: ; preds = %30
%50 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.8, i64 0, i64 0))
%51 = load i32, i32* @EXIT_FAILURE
%52 = call i32 @exit(i32 %51)
unreachable
53: ; preds = %41, %33
%54 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.6, i64 0, i64 0), i8* %9)
%55 = call i32 @read(i32 %22, i8* %10, i32 256)
%56 = icmp sgt i32 %55, 0
br i1 %56, label %57, label %65
57: ; preds = %53, %57
%58 = phi i32 [ %63, %57 ], [ %55, %53 ]
%59 = zext i32 %58 to i64
%60 = getelementptr inbounds [256 x i8], [256 x i8]* %6, i64 0, i64 %59
store i8 0, i8* %60
%61 = load i32, i32* @stdout
%62 = call i32 @fputs(i8* %10, i32 %61)
%63 = call i32 @read(i32 %22, i8* %10, i32 256)
%64 = icmp sgt i32 %63, 0
br i1 %64, label %57, label %65
65: ; preds = %57, %53
%66 = load i32, i32* @EXIT_SUCCESS
%67 = call i32 @exit(i32 %66)
unreachable
}