#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 */
typedef struct TYPE_2__ TYPE_1__;

/* Type definitions */
struct TYPE_2__ {
  int /*<<< orphan*/ s_addr;
};
struct sockaddr_in {
  TYPE_1__ sin_addr;
  int /*<<< orphan*/ sin_port;
  int /*<<< orphan*/ sin_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ sockaddr;
typedef int /*<<< orphan*/ in_port_t;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ INADDR_ANY;
int /*<<< orphan*/ PF_INET;
int /*<<< orphan*/ SOCK_STREAM;
int connect(int, struct sockaddr *, int);
int /*<<< orphan*/ htonl(int /*<<< orphan*/);
int /*<<< orphan*/ htons(int /*<<< orphan*/);
int /*<<< orphan*/ perror(char *);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int createAndConnectSocket(in_port_t port) {
  int sock = socket(PF_INET, SOCK_STREAM, 0);
  if (sock == -1) {
    perror("socket");
    return -1;
  }
  struct sockaddr_in sockaddr;
  sockaddr.sin_family = AF_INET;
  sockaddr.sin_port = htons(port);
  sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
  int connected = connect(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
  if (connected == -1) {
    perror("connect");
    return -1;
  }
  return sock;
}


x86 assembly (clang, -O0):
<createAndConnectSocket>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    0x2e66(%rip),%rax
mov    (%rax),%edi
mov    0x2e65(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
mov    %eax,-0xc(%rbp)
cmpl   $0xffffffff,-0xc(%rbp)
jne    1199 <createAndConnectSocket+0x49>
lea    0xe78(%rip),%rdi
call   1050 <perror@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11fd <createAndConnectSocket+0xad>
mov    0x2e48(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
call   1030 <htons@plt>
mov    %eax,-0x14(%rbp)
mov    0x2e29(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,-0x18(%rbp)
mov    -0xc(%rbp),%edi
lea    -0x18(%rbp),%rsi
mov    $0xc,%edx
call   1060 <connect@plt>
mov    %eax,-0x1c(%rbp)
cmpl   $0xffffffff,-0x1c(%rbp)
jne    11f7 <createAndConnectSocket+0xa7>
lea    0xe21(%rip),%rdi
call   1050 <perror@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11fd <createAndConnectSocket+0xad>
mov    -0xc(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<createAndConnectSocket>:
push   %rbp
push   %rbx
sub    $0x18,%rsp
mov    %edi,%ebp
mov    0x2e69(%rip),%rax
mov    (%rax),%edi
mov    0x2e68(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1070 <socket@plt>
cmp    $0xffffffff,%eax
je     11c1 <createAndConnectSocket+0x71>
mov    %eax,%ebx
mov    0x2e69(%rip),%rax
mov    (%rax),%eax
mov    %eax,0x10(%rsp)
mov    %ebp,%edi
call   1030 <htons@plt>
mov    %eax,0xc(%rsp)
mov    0x2e49(%rip),%rax
mov    (%rax),%edi
call   1040 <htonl@plt>
mov    %eax,0x8(%rsp)
lea    0x8(%rsp),%rsi
mov    %ebx,%edi
mov    $0xc,%edx
call   1060 <connect@plt>
cmp    $0xffffffff,%eax
je     11ca <createAndConnectSocket+0x7a>
mov    %ebx,%eax
add    $0x18,%rsp
pop    %rbx
pop    %rbp
ret
lea    0xe38(%rip),%rdi
jmp    11d1 <createAndConnectSocket+0x81>
lea    0xe36(%rip),%rdi
call   1050 <perror@plt>
mov    $0xffffffff,%ebx
jmp    11b8 <createAndConnectSocket+0x68>

LLVM IR (-O0):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str = [7 x i8] c"socket\00"
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
@.str.1 = [8 x i8] c"connect\00"
define i32 @createAndConnectSocket(i32 %0) {
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca %struct.sockaddr_in
%6 = alloca i32
store i32 %0, i32* %3
%7 = load i32, i32* @PF_INET
%8 = load i32, i32* @SOCK_STREAM
%9 = call i32 @socket(i32 %7, i32 %8, i32 0)
store i32 %9, i32* %4
%10 = load i32, i32* %4
%11 = icmp eq i32 %10, -1
br i1 %11, label %12, label %14
12: ; preds = %1
%13 = call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
store i32 -1, i32* %2
br label %33
14: ; preds = %1
%15 = load i32, i32* @AF_INET
%16 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 2
store i32 %15, i32* %16
%17 = load i32, i32* %3
%18 = call i32 @htons(i32 %17)
%19 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 1
store i32 %18, i32* %19
%20 = load i32, i32* @INADDR_ANY
%21 = call i32 @htonl(i32 %20)
%22 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %5, i32 0, i32 0
%23 = getelementptr inbounds %struct.TYPE_2__, %struct.TYPE_2__* %22, i32 0, i32 0
store i32 %21, i32* %23
%24 = load i32, i32* %4
%25 = bitcast %struct.sockaddr_in* %5 to %struct.sockaddr*
%26 = call i32 @connect(i32 %24, %struct.sockaddr* %25, i32 12)
store i32 %26, i32* %6
%27 = load i32, i32* %6
%28 = icmp eq i32 %27, -1
br i1 %28, label %29, label %31
29: ; preds = %14
%30 = call i32 @perror(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
store i32 -1, i32* %2
br label %33
31: ; preds = %14
%32 = load i32, i32* %4
store i32 %32, i32* %2
br label %33
33: ; preds = %31, %29, %12
%34 = load i32, i32* %2
ret i32 %34
}

LLVM IR (-O2):
%struct.sockaddr_in = type { %struct.TYPE_2__, i32, i32 }
%struct.TYPE_2__ = type { i32 }
%struct.sockaddr = type { i32 }
@PF_INET = global i32 0
@SOCK_STREAM = global i32 0
@.str = [7 x i8] c"socket\00"
@AF_INET = global i32 0
@INADDR_ANY = global i32 0
@.str.1 = [8 x i8] c"connect\00"
define i32 @createAndConnectSocket(i32 %0) {
%2 = alloca %struct.sockaddr_in
%3 = load i32, i32* @PF_INET
%4 = load i32, i32* @SOCK_STREAM
%5 = tail call i32 @socket(i32 %3, i32 %4, i32 0)
%6 = icmp eq i32 %5, -1
br i1 %6, label %7, label %9
7: ; preds = %1
%8 = tail call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
br label %25
9: ; preds = %1
%10 = bitcast %struct.sockaddr_in* %2 to i8*
%11 = load i32, i32* @AF_INET
%12 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 2
store i32 %11, i32* %12
%13 = tail call i32 @htons(i32 %0)
%14 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 1
store i32 %13, i32* %14
%15 = load i32, i32* @INADDR_ANY
%16 = tail call i32 @htonl(i32 %15)
%17 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %2, i64 0, i32 0, i32 0
store i32 %16, i32* %17
%18 = bitcast %struct.sockaddr_in* %2 to %struct.sockaddr*
%19 = call i32 @connect(i32 %5, %struct.sockaddr* %18, i32 12)
%20 = icmp eq i32 %19, -1
br i1 %20, label %21, label %23
21: ; preds = %9
%22 = call i32 @perror(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
br label %23
23: ; preds = %9, %21
%24 = phi i32 [ -1, %21 ], [ %5, %9 ]
br label %25
25: ; preds = %23, %7
%26 = phi i32 [ -1, %7 ], [ %24, %23 ]
ret i32 %26
}