#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_in {
  int /*<<< orphan*/ sin_addr;
  int /*<<< orphan*/ member_2;
  int /*<<< orphan*/ member_1;
  int /*<<< orphan*/ member_0;
};
struct sockaddr {
  int dummy;
};
struct ifreq {
  int ifr_ifindex;
  int /*<<< orphan*/ ifr_name;
};
typedef int /*<<< orphan*/ dst_addr;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int EXIT_FAILURE;
int /*<<< orphan*/ IPPROTO_RAW;
int /*<<< orphan*/ IPPROTO_TCP;
int /*<<< orphan*/ SIOCGIFINDEX;
int /*<<< orphan*/ SOCK_RAW;
int /*<<< orphan*/ SOCK_STREAM;
int /*<<< orphan*/ SOL_SOCKET;
int /*<<< orphan*/ SO_BINDTODEVICE;
scalar_t__ close(int);
scalar_t__ connect(int, struct sockaddr *, int);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ htons(int);
int /*<<< orphan*/ inet_pton(int /*<<< orphan*/, char *, int /*<<< orphan*/ *);
scalar_t__ ioctl(int, int /*<<< orphan*/, struct ifreq *);
int /*<<< orphan*/ memset(struct ifreq *, int /*<<< orphan*/, int);
int /*<<< orphan*/ pause();
int /*<<< orphan*/ perror(char *);
int /*<<< orphan*/ printf(char *, char *, int);
scalar_t__ setsockopt(int, int /*<<< orphan*/, int /*<<< orphan*/, void *, int);
int /*<<< orphan*/ snprintf(int /*<<< orphan*/, int, char *, char *);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int main(int argc, char **argv) {
  int sd;
  char interface[] = "eth0";
  struct ifreq ifr;
  if ((sd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0) {
    perror("socket() ");
    exit(EXIT_FAILURE);
  }
  memset(&ifr, 0, sizeof(struct ifreq));
  snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", interface);
  if (ioctl(sd, SIOCGIFINDEX, &ifr) < 0) {
    perror("ioctl() failed to find interface ");
    return (EXIT_FAILURE);
  }
  printf("Index for interface %s is %i\n", interface, ifr.ifr_ifindex);
  if (close(sd) < 0)
    perror("close() ");
  if ((sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
    perror("socket() ");
    exit(EXIT_FAILURE);
  }
  if (setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr,
                 sizeof(struct ifreq)) < 0) {
    perror("setsockopt() failed to bind interface ");
    return (EXIT_FAILURE);
  }
  struct sockaddr_in dst_addr = {AF_INET, htons(80), 0};
  inet_pton(AF_INET, "64.233.188.99", &(dst_addr.sin_addr));
  if (connect(sd, (struct sockaddr *)&dst_addr, sizeof(dst_addr)) < 0) {
    perror("connect() ");
    return (EXIT_FAILURE);
  }
  pause();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    0xe14(%rip),%eax
mov    %eax,-0x19(%rbp)
mov    0xe0f(%rip),%al
mov    %al,-0x15(%rbp)
mov    0x2de1(%rip),%rax
mov    (%rax),%edi
mov    0x2dd0(%rip),%rax
mov    (%rax),%esi
mov    0x2da7(%rip),%rax
mov    (%rax),%edx
call   10f0 <socket@plt>
mov    %eax,-0x14(%rbp)
cmp    $0x0,%eax
jge    123e <main+0x6e>
lea    0xdda(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2d79(%rip),%rax
mov    (%rax),%edi
call   10d0 <exit@plt>
lea    -0x28(%rbp),%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1070 <memset@plt>
mov    -0x24(%rbp),%edi
lea    -0x19(%rbp),%rcx
mov    $0x4,%esi
lea    0xdae(%rip),%rdx
call   1060 <snprintf@plt>
mov    -0x14(%rbp),%edi
mov    0x2d28(%rip),%rax
mov    (%rax),%esi
lea    -0x28(%rbp),%rdx
call   1080 <ioctl@plt>
cmp    $0x0,%rax
jge    12a2 <main+0xd2>
lea    0xd86(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2d18(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    13e3 <main+0x213>
lea    -0x19(%rbp),%rsi
mov    -0x28(%rbp),%edx
lea    0xd84(%rip),%rdi
call   1050 <printf@plt>
mov    -0x14(%rbp),%edi
call   1090 <close@plt>
cmp    $0x0,%rax
jge    12d3 <main+0x103>
lea    0xd84(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2d06(%rip),%rax
mov    (%rax),%edi
mov    0x2cdd(%rip),%rax
mov    (%rax),%esi
mov    0x2ce4(%rip),%rax
mov    (%rax),%edx
call   10f0 <socket@plt>
mov    %eax,-0x14(%rbp)
cmp    $0x0,%eax
jge    1319 <main+0x149>
lea    0xcff(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2c9e(%rip),%rax
mov    (%rax),%edi
call   10d0 <exit@plt>
mov    -0x14(%rbp),%edi
mov    0x2cc5(%rip),%rax
mov    (%rax),%esi
mov    0x2c7c(%rip),%rax
mov    (%rax),%edx
lea    -0x28(%rbp),%rcx
mov    $0x8,%r8d
call   1030 <setsockopt@plt>
cmp    $0x0,%rax
jge    1364 <main+0x194>
lea    0xd0d(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2c56(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    13e3 <main+0x213>
mov    0x2c75(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x38(%rbp)
mov    $0x50,%edi
call   1040 <htons@plt>
mov    %eax,-0x34(%rbp)
movl   $0x0,-0x30(%rbp)
movl   $0x0,-0x2c(%rbp)
mov    0x2c4e(%rip),%rax
mov    (%rax),%edi
lea    -0x38(%rbp),%rdx
lea    0xce3(%rip),%rsi
call   10a0 <inet_pton@plt>
mov    -0x14(%rbp),%edi
lea    -0x38(%rbp),%rsi
mov    $0x10,%edx
call   10e0 <connect@plt>
cmp    $0x0,%rax
jge    13dc <main+0x20c>
lea    0xcca(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2bde(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    13e3 <main+0x213>
mov    $0x0,%al
call   10b0 <pause@plt>
mov    -0x4(%rbp),%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x20,%rsp
movb   $0x0,0x4(%rsp)
movl   $0x30687465,(%rsp)
mov    0x2df4(%rip),%r15
mov    (%r15),%edi
mov    0x2de2(%rip),%rax
mov    (%rax),%esi
mov    0x2db9(%rip),%rax
mov    (%rax),%edx
call   10f0 <socket@plt>
test   %eax,%eax
js     1360 <main+0x190>
mov    %eax,%ebx
lea    0x8(%rsp),%r14
mov    %r14,%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1070 <memset@plt>
mov    0xc(%rsp),%edi
lea    0xde0(%rip),%rdx
mov    %rsp,%rcx
mov    $0x4,%esi
call   1060 <snprintf@plt>
mov    0x2d55(%rip),%rax
mov    (%rax),%esi
mov    %ebx,%edi
mov    %r14,%rdx
call   1080 <ioctl@plt>
test   %rax,%rax
js     1326 <main+0x156>
mov    0x8(%rsp),%edx
lea    0xdd1(%rip),%rdi
mov    %rsp,%rsi
call   1050 <printf@plt>
mov    %ebx,%edi
call   1090 <close@plt>
test   %rax,%rax
js     132f <main+0x15f>
mov    (%r15),%edi
mov    0x2d3b(%rip),%rax
mov    (%rax),%esi
mov    0x2d42(%rip),%rax
mov    (%rax),%edx
call   10f0 <socket@plt>
test   %eax,%eax
js     1360 <main+0x190>
mov    %eax,%ebx
mov    0x2d42(%rip),%rax
mov    (%rax),%esi
mov    0x2cf9(%rip),%rax
mov    (%rax),%edx
lea    0x8(%rsp),%rcx
mov    %ebx,%edi
mov    $0x8,%r8d
call   1030 <setsockopt@plt>
test   %rax,%rax
js     1340 <main+0x170>
mov    (%r15),%eax
mov    %eax,0x10(%rsp)
mov    $0x50,%edi
call   1040 <htons@plt>
mov    %eax,0x14(%rsp)
movq   $0x0,0x18(%rsp)
mov    (%r15),%edi
lea    0xd92(%rip),%rsi
lea    0x10(%rsp),%r14
mov    %r14,%rdx
call   10a0 <inet_pton@plt>
mov    %ebx,%edi
mov    %r14,%rsi
mov    $0x10,%edx
call   10e0 <connect@plt>
test   %rax,%rax
js     1349 <main+0x179>
xor    %ebx,%ebx
xor    %eax,%eax
call   10b0 <pause@plt>
mov    %ebx,%eax
add    $0x20,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret
lea    0xce5(%rip),%rdi
jmp    1350 <main+0x180>
lea    0xd1c(%rip),%rdi
call   10c0 <perror@plt>
jmp    127b <main+0xab>
lea    0xd14(%rip),%rdi
jmp    1350 <main+0x180>
lea    0xd40(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2c54(%rip),%rax
mov    (%rax),%ebx
jmp    131a <main+0x14a>
lea    0xc9e(%rip),%rdi
call   10c0 <perror@plt>
mov    0x2c3d(%rip),%rax
mov    (%rax),%edi
call   10d0 <exit@plt>

LLVM IR (-O0):
%struct.ifreq = type { i32, i32 }
%struct.sockaddr_in = type { i32, i32, i32, i32 }
%struct.sockaddr = type { i32 }
@__const.main.interface = [5 x i8] c"eth0\00"
@AF_INET = global i32 0
@SOCK_RAW = global i32 0
@IPPROTO_RAW = global i32 0
@.str = [10 x i8] c"socket() \00"
@EXIT_FAILURE = global i32 0
@.str.1 = [3 x i8] c"%s\00"
@SIOCGIFINDEX = global i32 0
@.str.2 = [34 x i8] c"ioctl() failed to find interface \00"
@.str.3 = [30 x i8] c"Index for interface %s is %i\0A\00"
@.str.4 = [9 x i8] c"close() \00"
@SOCK_STREAM = global i32 0
@IPPROTO_TCP = global i32 0
@SOL_SOCKET = global i32 0
@SO_BINDTODEVICE = global i32 0
@.str.5 = [39 x i8] c"setsockopt() failed to bind interface \00"
@.str.6 = [14 x i8] c"64.233.188.99\00"
@.str.7 = [11 x i8] c"connect() \00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca [5 x i8]
%8 = alloca %struct.ifreq
%9 = alloca %struct.sockaddr_in
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%10 = bitcast [5 x i8]* %7 to i8*
%11 = load i32, i32* @AF_INET
%12 = load i32, i32* @SOCK_RAW
%13 = load i32, i32* @IPPROTO_RAW
%14 = call i32 @socket(i32 %11, i32 %12, i32 %13)
store i32 %14, i32* %6
%15 = icmp slt i32 %14, 0
br i1 %15, label %16, label %20
16: ; preds = %2
%17 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0))
%18 = load i32, i32* @EXIT_FAILURE
%19 = call i32 @exit(i32 %18)
unreachable
20: ; preds = %2
%21 = call i32 @memset(%struct.ifreq* %8, i32 0, i32 8)
%22 = getelementptr inbounds %struct.ifreq, %struct.ifreq* %8, i32 0, i32 1
%23 = load i32, i32* %22
%24 = getelementptr inbounds [5 x i8], [5 x i8]* %7, i64 0, i64 0
%25 = call i32 @snprintf(i32 %23, i32 4, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %24)
%26 = load i32, i32* %6
%27 = load i32, i32* @SIOCGIFINDEX
%28 = call i64 @ioctl(i32 %26, i32 %27, %struct.ifreq* %8)
%29 = icmp slt i64 %28, 0
br i1 %29, label %30, label %33
30: ; preds = %20
%31 = call i32 @perror(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.2, i64 0, i64 0))
%32 = load i32, i32* @EXIT_FAILURE
store i32 %32, i32* %3
br label %82
33: ; preds = %20
%34 = getelementptr inbounds [5 x i8], [5 x i8]* %7, i64 0, i64 0
%35 = getelementptr inbounds %struct.ifreq, %struct.ifreq* %8, i32 0, i32 0
%36 = load i32, i32* %35
%37 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0), i8* %34, i32 %36)
%38 = load i32, i32* %6
%39 = call i64 @close(i32 %38)
%40 = icmp slt i64 %39, 0
br i1 %40, label %41, label %43
41: ; preds = %33
%42 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
br label %43
43: ; preds = %41, %33
%44 = load i32, i32* @AF_INET
%45 = load i32, i32* @SOCK_STREAM
%46 = load i32, i32* @IPPROTO_TCP
%47 = call i32 @socket(i32 %44, i32 %45, i32 %46)
store i32 %47, i32* %6
%48 = icmp slt i32 %47, 0
br i1 %48, label %49, label %53
49: ; preds = %43
%50 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0))
%51 = load i32, i32* @EXIT_FAILURE
%52 = call i32 @exit(i32 %51)
unreachable
53: ; preds = %43
%54 = load i32, i32* %6
%55 = load i32, i32* @SOL_SOCKET
%56 = load i32, i32* @SO_BINDTODEVICE
%57 = bitcast %struct.ifreq* %8 to i8*
%58 = call i64 @setsockopt(i32 %54, i32 %55, i32 %56, i8* %57, i32 8)
%59 = icmp slt i64 %58, 0
br i1 %59, label %60, label %63
60: ; preds = %53
%61 = call i32 @perror(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.5, i64 0, i64 0))
%62 = load i32, i32* @EXIT_FAILURE
store i32 %62, i32* %3
br label %82
63: ; preds = %53
%64 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %9, i32 0, i32 0
%65 = load i32, i32* @AF_INET
store i32 %65, i32* %64
%66 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %9, i32 0, i32 1
%67 = call i32 @htons(i32 80)
store i32 %67, i32* %66
%68 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %9, i32 0, i32 2
store i32 0, i32* %68
%69 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %9, i32 0, i32 3
store i32 0, i32* %69
%70 = load i32, i32* @AF_INET
%71 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %9, i32 0, i32 0
%72 = call i32 @inet_pton(i32 %70, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0), i32* %71)
%73 = load i32, i32* %6
%74 = bitcast %struct.sockaddr_in* %9 to %struct.sockaddr*
%75 = call i64 @connect(i32 %73, %struct.sockaddr* %74, i32 16)
%76 = icmp slt i64 %75, 0
br i1 %76, label %77, label %80
77: ; preds = %63
%78 = call i32 @perror(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0))
%79 = load i32, i32* @EXIT_FAILURE
store i32 %79, i32* %3
br label %82
80: ; preds = %63
%81 = call i32 (...) @pause()
br label %82
82: ; preds = %80, %77, %60, %30
%83 = load i32, i32* %3
ret i32 %83
}

LLVM IR (-O2):
%struct.ifreq = type { i32, i32 }
%struct.sockaddr_in = type { i32, i32, i32, i32 }
%struct.sockaddr = type { i32 }
@__const.main.interface = [5 x i8] c"eth0\00"
@AF_INET = global i32 0
@SOCK_RAW = global i32 0
@IPPROTO_RAW = global i32 0
@.str = [10 x i8] c"socket() \00"
@EXIT_FAILURE = global i32 0
@.str.1 = [3 x i8] c"%s\00"
@SIOCGIFINDEX = global i32 0
@.str.2 = [34 x i8] c"ioctl() failed to find interface \00"
@.str.3 = [30 x i8] c"Index for interface %s is %i\0A\00"
@.str.4 = [9 x i8] c"close() \00"
@SOCK_STREAM = global i32 0
@IPPROTO_TCP = global i32 0
@SOL_SOCKET = global i32 0
@SO_BINDTODEVICE = global i32 0
@.str.5 = [39 x i8] c"setsockopt() failed to bind interface \00"
@.str.6 = [14 x i8] c"64.233.188.99\00"
@.str.7 = [11 x i8] c"connect() \00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca [5 x i8]
%4 = alloca %struct.ifreq
%5 = alloca %struct.sockaddr_in
%6 = getelementptr inbounds [5 x i8], [5 x i8]* %3, i64 0, i64 0
%7 = bitcast %struct.ifreq* %4 to i8*
%8 = load i32, i32* @AF_INET
%9 = load i32, i32* @SOCK_RAW
%10 = load i32, i32* @IPPROTO_RAW
%11 = tail call i32 @socket(i32 %8, i32 %9, i32 %10)
%12 = icmp slt i32 %11, 0
br i1 %12, label %13, label %17
13: ; preds = %2
%14 = tail call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0))
%15 = load i32, i32* @EXIT_FAILURE
%16 = tail call i32 @exit(i32 %15)
unreachable
17: ; preds = %2
%18 = call i32 @memset(%struct.ifreq* %4, i32 0, i32 8)
%19 = getelementptr inbounds %struct.ifreq, %struct.ifreq* %4, i64 0, i32 1
%20 = load i32, i32* %19
%21 = call i32 @snprintf(i32 %20, i32 4, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %6)
%22 = load i32, i32* @SIOCGIFINDEX
%23 = call i64 @ioctl(i32 %11, i32 %22, %struct.ifreq* %4)
%24 = icmp slt i64 %23, 0
br i1 %24, label %25, label %28
25: ; preds = %17
%26 = call i32 @perror(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.2, i64 0, i64 0))
%27 = load i32, i32* @EXIT_FAILURE
br label %74
28: ; preds = %17
%29 = getelementptr inbounds %struct.ifreq, %struct.ifreq* %4, i64 0, i32 0
%30 = load i32, i32* %29
%31 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0), i8* %6, i32 %30)
%32 = call i64 @close(i32 %11)
%33 = icmp slt i64 %32, 0
br i1 %33, label %34, label %36
34: ; preds = %28
%35 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
br label %36
36: ; preds = %34, %28
%37 = load i32, i32* @AF_INET
%38 = load i32, i32* @SOCK_STREAM
%39 = load i32, i32* @IPPROTO_TCP
%40 = call i32 @socket(i32 %37, i32 %38, i32 %39)
%41 = icmp slt i32 %40, 0
br i1 %41, label %42, label %46
42: ; preds = %36
%43 = call i32 @perror(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0))
%44 = load i32, i32* @EXIT_FAILURE
%45 = call i32 @exit(i32 %44)
unreachable
46: ; preds = %36
%47 = load i32, i32* @SOL_SOCKET
%48 = load i32, i32* @SO_BINDTODEVICE
%49 = call i64 @setsockopt(i32 %40, i32 %47, i32 %48, i8* %7, i32 8)
%50 = icmp slt i64 %49, 0
br i1 %50, label %51, label %54
51: ; preds = %46
%52 = call i32 @perror(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.5, i64 0, i64 0))
%53 = load i32, i32* @EXIT_FAILURE
br label %74
54: ; preds = %46
%55 = bitcast %struct.sockaddr_in* %5 to i8*
%56 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i64 0, i32 0
%57 = load i32, i32* @AF_INET
store i32 %57, i32* %56
%58 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i64 0, i32 1
%59 = call i32 @htons(i32 80)
store i32 %59, i32* %58
%60 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i64 0, i32 2
store i32 0, i32* %60
%61 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i64 0, i32 3
store i32 0, i32* %61
%62 = load i32, i32* @AF_INET
%63 = call i32 @inet_pton(i32 %62, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0), i32* %56)
%64 = bitcast %struct.sockaddr_in* %5 to %struct.sockaddr*
%65 = call i64 @connect(i32 %40, %struct.sockaddr* %64, i32 16)
%66 = icmp slt i64 %65, 0
br i1 %66, label %67, label %70
67: ; preds = %54
%68 = call i32 @perror(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0))
%69 = load i32, i32* @EXIT_FAILURE
br label %72
70: ; preds = %54
%71 = call i32 (...) @pause()
br label %72
72: ; preds = %70, %67
%73 = phi i32 [ %69, %67 ], [ 0, %70 ]
br label %74
74: ; preds = %72, %51, %25
%75 = phi i32 [ %27, %25 ], [ %53, %51 ], [ %73, %72 ]
ret i32 %75
}