#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 display_help(char *prog_name) {
  printf("Usage: %s\n", prog_name);
  printf("Options: \n");
  printf("-d|--background: \t\t force to background\n");
  printf("-v|--verbose: \t\t enable verbose output\n");
  printf("-p|--port: \t\t port override\n");
  printf("-f|--file: \t\t file directory to serve files from\n");
  printf("-c|--config: \t\t specify configuration file\n");
  printf("--crypto: \t\t usermode crypto\n");
  exit(0);
}


x86 assembly (clang, -O0):
<display_help>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xede(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf07(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf2b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf49(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<display_help>:
push   %rax
mov    %rdi,%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec2(%rip),%rdi
call   1030 <puts@plt>
lea    0xec0(%rip),%rdi
call   1030 <puts@plt>
lea    0xedc(%rip),%rdi
call   1030 <puts@plt>
lea    0xef7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf07(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4b(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [11 x i8] c"Usage: %s\0A\00"
@.str.1 = [11 x i8] c"Options: \0A\00"
@.str.2 = [41 x i8] c"-d|--background: \09\09 force to background\0A\00"
@.str.3 = [40 x i8] c"-v|--verbose: \09\09 enable verbose output\0A\00"
@.str.4 = [29 x i8] c"-p|--port: \09\09 port override\0A\00"
@.str.5 = [50 x i8] c"-f|--file: \09\09 file directory to serve files from\0A\00"
@.str.6 = [44 x i8] c"-c|--config: \09\09 specify configuration file\0A\00"
@.str.7 = [30 x i8] c"--crypto: \09\09 usermode crypto\0A\00"
define void @display_help(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [11 x i8] c"Usage: %s\0A\00"
@str = [10 x i8] c"Options: \00"
@str.8 = [40 x i8] c"-d|--background: \09\09 force to background\00"
@str.9 = [39 x i8] c"-v|--verbose: \09\09 enable verbose output\00"
@str.10 = [28 x i8] c"-p|--port: \09\09 port override\00"
@str.11 = [49 x i8] c"-f|--file: \09\09 file directory to serve files from\00"
@str.12 = [43 x i8] c"-c|--config: \09\09 specify configuration file\00"
@str.13 = [29 x i8] c"--crypto: \09\09 usermode crypto\00"
define void @display_help(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([49 x i8], [49 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.12, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.13, i64 0, i64 0))
%10 = tail call i32 @exit(i32 0)
unreachable
}