#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 */

/* Variables and functions */
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *);
void usage(void) {
  printf("Usage:\n");
  printf(" -l <port number>  specifyed local listen port \n");
  printf(" -h <remote server and port> specifyed next hop server name\n");
  printf(" -d <remote server and port> run as daemon\n");
  printf("-E encode data when forwarding data\n");
  printf("-D decode data when receiving data\n");
  exit(8);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xf27(%rip),%rdi
call   1030 <printf@plt>
lea    0xf47(%rip),%rdi
call   1030 <printf@plt>
lea    0xf60(%rip),%rdi
call   1030 <printf@plt>
mov    $0x8,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf27(%rip),%rdi
call   1030 <puts@plt>
lea    0xf46(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5e(%rip),%rdi
call   1030 <puts@plt>
mov    $0x8,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"Usage:\0A\00"
@.str.1 = [49 x i8] c" -l <port number> specifyed local listen port \0A\00"
@.str.2 = [61 x i8] c" -h <remote server and port> specifyed next hop server name\0A\00"
@.str.3 = [44 x i8] c" -d <remote server and port> run as daemon\0A\00"
@.str.4 = [37 x i8] c"-E encode data when forwarding data\0A\00"
@.str.5 = [36 x i8] c"-D decode data when receiving data\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @exit(i32 8)
unreachable
}

LLVM IR (-O2):
@str = [7 x i8] c"Usage:\00"
@str.6 = [48 x i8] c" -l <port number> specifyed local listen port \00"
@str.7 = [60 x i8] c" -h <remote server and port> specifyed next hop server name\00"
@str.8 = [43 x i8] c" -d <remote server and port> run as daemon\00"
@str.9 = [36 x i8] c"-E encode data when forwarding data\00"
@str.10 = [35 x i8] c"-D decode data when receiving data\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @exit(i32 8)
unreachable
}