#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 *);
void showUsage() {
  printf("Usage: pusher <options> <server IP address> <port> <packet file>\n");
  printf(" -t       --transport         Transport mechanism (0 = UDP, 1 = TCP, "
         "2 = ETH)\n");
  printf(" -p       --ping              Stop-and-wait mode (with intermittent "
         "sleep)\n");
  printf(" -f       --flood             Flood mode\n");
  printf(" -w num   --window num        Stop and wait window size\n");
  printf(" -h       --help              Display the help message\n");
}


x86 assembly (clang, -O0):
<showUsage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5e(%rip),%rdi
call   1030 <printf@plt>
lea    0xf9e(%rip),%rdi
call   1030 <printf@plt>
lea    0xfbc(%rip),%rdi
call   1030 <printf@plt>
lea    0xfe9(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<showUsage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf9e(%rip),%rdi
call   1030 <puts@plt>
lea    0xfbb(%rip),%rdi
call   1030 <puts@plt>
lea    0xfe7(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [66 x i8] c"Usage: pusher <options> <server IP address> <port> <packet file>\0A\00"
@.str.1 = [79 x i8] c" -t --transport Transport mechanism (0 = UDP, 1 = TCP, 2 = ETH)\0A\00"
@.str.2 = [76 x i8] c" -p --ping Stop-and-wait mode (with intermittent sleep)\0A\00"
@.str.3 = [42 x i8] c" -f --flood Flood mode\0A\00"
@.str.4 = [57 x i8] c" -w num --window num Stop and wait window size\0A\00"
@.str.5 = [56 x i8] c" -h --help Display the help message\0A\00"
define void @showUsage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([79 x i8], [79 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([76 x i8], [76 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [65 x i8] c"Usage: pusher <options> <server IP address> <port> <packet file>\00"
@str.6 = [78 x i8] c" -t --transport Transport mechanism (0 = UDP, 1 = TCP, 2 = ETH)\00"
@str.7 = [75 x i8] c" -p --ping Stop-and-wait mode (with intermittent sleep)\00"
@str.8 = [41 x i8] c" -f --flood Flood mode\00"
@str.9 = [56 x i8] c" -w num --window num Stop and wait window size\00"
@str.10 = [55 x i8] c" -h --help Display the help message\00"
define void @showUsage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([65 x i8], [65 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([78 x i8], [78 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([75 x i8], [75 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([56 x i8], [56 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.10, i64 0, i64 0))
ret void
}