#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) {
  printf("\n");
  printf("-- crypt %s\n", "0.1 beta");
  printf("-- por: bleno vinicius\n");
  printf("-- mail : blenolopes@gmail.com\n");
  printf("uso: crypt [origem] [destino]\n");
  printf("     * [origem]  : arquivo nao criptografado!\n");
  printf("     * [destino] : resultado da criptografia!\n");
  printf("\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xf9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec7(%rip),%rdi
lea    0xecd(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf16(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf35(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xeae(%rip),%rdi
lea    0xeb4(%rip),%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeaf(%rip),%rdi
call   1040 <puts@plt>
lea    0xeba(%rip),%rdi
call   1040 <puts@plt>
lea    0xecd(%rip),%rdi
call   1040 <puts@plt>
lea    0xedf(%rip),%rdi
call   1040 <puts@plt>
lea    0xf01(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [13 x i8] c"-- crypt %s\0A\00"
@.str.2 = [9 x i8] c"0.1 beta\00"
@.str.3 = [24 x i8] c"-- por: bleno vinicius\0A\00"
@.str.4 = [32 x i8] c"-- mail : blenolopes@gmail.com\0A\00"
@.str.5 = [31 x i8] c"uso: crypt [origem] [destino]\0A\00"
@.str.6 = [47 x i8] c" * [origem] : arquivo nao criptografado!\0A\00"
@.str.7 = [47 x i8] c" * [destino] : resultado da criptografia!\0A\00"
define void @usage() {
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.5, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.6, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.7, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%9 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str.1 = [13 x i8] c"-- crypt %s\0A\00"
@.str.2 = [9 x i8] c"0.1 beta\00"
@str = [23 x i8] c"-- por: bleno vinicius\00"
@str.8 = [31 x i8] c"-- mail : blenolopes@gmail.com\00"
@str.9 = [30 x i8] c"uso: crypt [origem] [destino]\00"
@str.10 = [46 x i8] c" * [origem] : arquivo nao criptografado!\00"
@str.11 = [46 x i8] c" * [destino] : resultado da criptografia!\00"
define void @usage() {
%1 = tail call i32 @putchar(i32 10)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @exit(i32 0)
unreachable
}