#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*/ printf(char *);
int /*<<< orphan*/ usage();
void help() {
  usage();
  printf("Example: ipv4range -n 127.0.0.0-127.0.0.255\n");
  printf("\n");
  printf("  -h\tshow help message\n");
  printf("  -a\tprint all IP adresses in range\n");
  printf("  -c\tprint IP class (A, B, C, D, E)\n");
  printf("  -n\tprint IP range in CIDR format\n");
}


x86 assembly (clang, -O0):
<help>:
push   %rbp
mov    %rsp,%rbp
mov    $0x0,%al
call   1040 <usage@plt>
lea    0xece(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4f(%rip),%rdi
call   1030 <printf@plt>
lea    0xee3(%rip),%rdi
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
call   1030 <printf@plt>
lea    0xf08(%rip),%rdi
call   1030 <printf@plt>
lea    0xf21(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<help>:
push   %rax
xor    %eax,%eax
call   1050 <usage@plt>
lea    0xec1(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xed7(%rip),%rdi
call   1040 <puts@plt>
lea    0xee2(%rip),%rdi
call   1040 <puts@plt>
lea    0xefa(%rip),%rdi
call   1040 <puts@plt>
lea    0xf12(%rip),%rdi
pop    %rax
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [45 x i8] c"Example: ipv4range -n 127.0.0.0-127.0.0.255\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [24 x i8] c" -h\09show help message\0A\00"
@.str.3 = [37 x i8] c" -a\09print all IP adresses in range\0A\00"
@.str.4 = [37 x i8] c" -c\09print IP class (A, B, C, D, E)\0A\00"
@.str.5 = [36 x i8] c" -n\09print IP range in CIDR format\0A\00"
define void @help() {
%1 = call i32 (...) @usage()
%2 = call i32 @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [44 x i8] c"Example: ipv4range -n 127.0.0.0-127.0.0.255\00"
@str.6 = [23 x i8] c" -h\09show help message\00"
@str.7 = [36 x i8] c" -a\09print all IP adresses in range\00"
@str.8 = [36 x i8] c" -c\09print IP class (A, B, C, D, E)\00"
@str.9 = [35 x i8] c" -n\09print IP range in CIDR format\00"
define void @help() {
%1 = tail call i32 (...) @usage()
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @putchar(i32 10)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.6, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.7, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.9, i64 0, i64 0))
ret void
}