#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 /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
void usage(void) {
  int i;
  printf("\n  usage: DES_test -k <key> -i <file> -o <file>\n");
  printf("\n  -k <key>    Key");
  printf("\n  -i <file>   Input file");
  printf("\n  -o <file>   Output file");
  printf("\n  -e          Encrypt");
  printf("\n  -d          Decrypt");
  printf("\n  -x          Run tests");
  printf("\n  -l <pwd>    Create Lanman hash\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf25(%rip),%rdi
call   1030 <printf@plt>
lea    0xf30(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3d(%rip),%rdi
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xf57(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rdi
call   1040 <printf@plt>
lea    0xec3(%rip),%rdi
call   1040 <printf@plt>
lea    0xed1(%rip),%rdi
call   1040 <printf@plt>
lea    0xee0(%rip),%rdi
call   1040 <printf@plt>
lea    0xeeb(%rip),%rdi
call   1040 <printf@plt>
lea    0xef6(%rip),%rdi
call   1040 <printf@plt>
lea    0xf33(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [49 x i8] c"\0A usage: DES_test -k <key> -i <file> -o <file>\0A\00"
@.str.1 = [19 x i8] c"\0A -k <key> Key\00"
@.str.2 = [26 x i8] c"\0A -i <file> Input file\00"
@.str.3 = [27 x i8] c"\0A -o <file> Output file\00"
@.str.4 = [23 x i8] c"\0A -e Encrypt\00"
@.str.5 = [23 x i8] c"\0A -d Decrypt\00"
@.str.6 = [25 x i8] c"\0A -x Run tests\00"
@.str.7 = [35 x i8] c"\0A -l <pwd> Create Lanman hash\0A\00"
define void @usage() {
%1 = alloca i32
%2 = call i32 @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.7, i64 0, i64 0))
%10 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str.1 = [19 x i8] c"\0A -k <key> Key\00"
@.str.2 = [26 x i8] c"\0A -i <file> Input file\00"
@.str.3 = [27 x i8] c"\0A -o <file> Output file\00"
@.str.4 = [23 x i8] c"\0A -e Encrypt\00"
@.str.5 = [23 x i8] c"\0A -d Decrypt\00"
@.str.6 = [25 x i8] c"\0A -x Run tests\00"
@str = [48 x i8] c"\0A usage: DES_test -k <key> -i <file> -o <file>\00"
@str.8 = [34 x i8] c"\0A -l <pwd> Create Lanman hash\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.6, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.8, i64 0, i64 0))
%9 = tail call i32 @exit(i32 0)
unreachable
}