#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(char *arg) {
  printf("Free IP list convert.\n");
  printf("Usage: %s <Free IP list file from NIC> [out put file]\n", arg);
  printf("Default output file is $parker/HostData/Edu.mask\n");
  printf("File format ");
  printf("Like this:\n");
  printf("network-number              host-bits      net mask\n");
  printf(" 24.244.192.0              0.0.15.255    255.255.240.0  ");
  printf("\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf43(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xf32(%rip),%rdi
call   1040 <puts@plt>
lea    0xea9(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xf2b(%rip),%rdi
call   1040 <puts@plt>
lea    0xec3(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xf42(%rip),%rdi
call   1040 <puts@plt>
lea    0xf41(%rip),%rdi
call   1040 <puts@plt>
lea    0xeaa(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [23 x i8] c"Free IP list convert.\0A\00"
@.str.1 = [55 x i8] c"Usage: %s <Free IP list file from NIC> [out put file]\0A\00"
@.str.2 = [50 x i8] c"Default output file is $parker/HostData/Edu.mask\0A\00"
@.str.3 = [13 x i8] c"File format \00"
@.str.4 = [12 x i8] c"Like this:\0A\00"
@.str.5 = [53 x i8] c"network-number host-bits net mask\0A\00"
@.str.6 = [57 x i8] c" 24.244.192.0 0.0.15.255 255.255.240.0 \00"
@.str.7 = [2 x i8] c"\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0))
%4 = load i8*, i8** %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str.1 = [55 x i8] c"Usage: %s <Free IP list file from NIC> [out put file]\0A\00"
@.str.3 = [13 x i8] c"File format \00"
@.str.6 = [57 x i8] c" 24.244.192.0 0.0.15.255 255.255.240.0 \00"
@str = [22 x i8] c"Free IP list convert.\00"
@str.8 = [49 x i8] c"Default output file is $parker/HostData/Edu.mask\00"
@str.9 = [11 x i8] c"Like this:\00"
@str.10 = [52 x i8] c"network-number host-bits net mask\00"
define void @usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([49 x i8], [49 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([52 x i8], [52 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @.str.6, i64 0, i64 0))
%9 = tail call i32 @putchar(i32 10)
%10 = tail call i32 @exit(i32 1)
unreachable
}