#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_un {
  int /*<<< orphan*/ sun_path;
  int /*<<< orphan*/ sun_family;
};
struct sockaddr {
  int dummy;
};
typedef int /*<<< orphan*/ remote;

/* Variables and functions */
int /*<<< orphan*/ AF_UNIX;
int /*<<< orphan*/ SOCK_STREAM;
int connect(int, struct sockaddr *, int);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ memset(struct sockaddr_un *, int /*<<< orphan*/, int);
int /*<<< orphan*/ perror(char *);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ strcpy(int /*<<< orphan*/, char *);
int get_socket(char *path) {
  int s = socket(AF_UNIX, SOCK_STREAM, 0);
  if (s == -1) {
    perror("socket");
    exit(1);
  }
  struct sockaddr_un remote;
  memset(&remote, 0, sizeof(remote));
  remote.sun_family = AF_UNIX;
  strcpy(remote.sun_path, path);
  if (connect(s, (struct sockaddr *)&remote, sizeof(remote)) == -1) {
    perror("connect");
    exit(1);
  }
  return s;
}


x86 assembly (clang, -O0):
<get_socket>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2e75(%rip),%rax
mov    (%rax),%edi
mov    0x2e5c(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1080 <socket@plt>
mov    %eax,-0xc(%rbp)
cmpl   $0xffffffff,-0xc(%rbp)
jne    11a8 <get_socket+0x48>
lea    0xe67(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
lea    -0x18(%rbp),%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1040 <memset@plt>
mov    0x2e29(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x14(%rbp)
mov    -0x18(%rbp),%edi
mov    -0x8(%rbp),%rsi
call   1030 <strcpy@plt>
mov    -0xc(%rbp),%edi
lea    -0x18(%rbp),%rsi
mov    $0x8,%edx
call   1070 <connect@plt>
cmp    $0xffffffff,%eax
jne    1200 <get_socket+0xa0>
lea    0xe16(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0xc(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<get_socket>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rdi,%r14
mov    0x2e76(%rip),%r12
mov    (%r12),%edi
mov    0x2e5b(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1080 <socket@plt>
cmp    $0xffffffff,%eax
je     11d4 <get_socket+0x74>
mov    %eax,%ebx
mov    %rsp,%r15
mov    %r15,%rdi
xor    %esi,%esi
mov    $0x8,%edx
call   1040 <memset@plt>
mov    (%r12),%eax
mov    %eax,0x4(%rsp)
mov    (%rsp),%edi
mov    %r14,%rsi
call   1030 <strcpy@plt>
mov    %ebx,%edi
mov    %r15,%rsi
mov    $0x8,%edx
call   1070 <connect@plt>
cmp    $0xffffffff,%eax
je     11dd <get_socket+0x7d>
mov    %ebx,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret
lea    0xe25(%rip),%rdi
jmp    11e4 <get_socket+0x84>
lea    0xe23(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

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

LLVM IR (-O2):
%struct.sockaddr_un = type { i32, i32 }
%struct.sockaddr = type { i32 }
@AF_UNIX = global i32 0
@SOCK_STREAM = global i32 0
@.str = [7 x i8] c"socket\00"
@.str.1 = [8 x i8] c"connect\00"
define i32 @get_socket(i8* %0) {
%2 = alloca %struct.sockaddr_un
%3 = load i32, i32* @AF_UNIX
%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 %10
7: ; preds = %1
%8 = tail call i32 @perror(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0))
%9 = tail call i32 @exit(i32 1)
unreachable
10: ; preds = %1
%11 = bitcast %struct.sockaddr_un* %2 to i8*
%12 = call i32 @memset(%struct.sockaddr_un* %2, i32 0, i32 8)
%13 = load i32, i32* @AF_UNIX
%14 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %2, i64 0, i32 1
store i32 %13, i32* %14
%15 = getelementptr inbounds %struct.sockaddr_un, %struct.sockaddr_un* %2, i64 0, i32 0
%16 = load i32, i32* %15
%17 = call i32 @strcpy(i32 %16, i8* %0)
%18 = bitcast %struct.sockaddr_un* %2 to %struct.sockaddr*
%19 = call i32 @connect(i32 %5, %struct.sockaddr* %18, i32 8)
%20 = icmp eq i32 %19, -1
br i1 %20, label %21, label %24
21: ; preds = %10
%22 = call i32 @perror(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%23 = call i32 @exit(i32 1)
unreachable
24: ; preds = %10
ret i32 %5
}