#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(int code) {
  printf("usage: %s [options]\n", "test_udp");
  printf("options:\n");
  printf("    -p<port>  use specific port (default %d)\n", 7000);
  printf("    -a<inet>  use specific IP address\n");
  printf("    -s        run server (default is client)\n");
  exit(code);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
lea    0xece(%rip),%rdi
lea    0xedc(%rip),%rsi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed3(%rip),%rdi
mov    $0x1b58,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf07(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %edi,%ebx
lea    0xec6(%rip),%rdi
lea    0xed4(%rip),%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <puts@plt>
lea    0xec3(%rip),%rdi
mov    $0x1b58,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
mov    %ebx,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [21 x i8] c"usage: %s [options]\0A\00"
@.str.1 = [9 x i8] c"test_udp\00"
@.str.2 = [10 x i8] c"options:\0A\00"
@.str.3 = [46 x i8] c" -p<port> use specific port (default %d)\0A\00"
@.str.4 = [39 x i8] c" -a<inet> use specific IP address\0A\00"
@.str.5 = [46 x i8] c" -s run server (default is client)\0A\00"
define void @usage(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.3, i64 0, i64 0), i32 7000)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.5, i64 0, i64 0))
%8 = load i32, i32* %2
%9 = call i32 @exit(i32 %8)
unreachable
}

LLVM IR (-O2):
@.str = [21 x i8] c"usage: %s [options]\0A\00"
@.str.1 = [9 x i8] c"test_udp\00"
@.str.3 = [46 x i8] c" -p<port> use specific port (default %d)\0A\00"
@str = [9 x i8] c"options:\00"
@str.6 = [38 x i8] c" -a<inet> use specific IP address\00"
@str.7 = [45 x i8] c" -s run server (default is client)\00"
define void @usage(i32 %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @.str.3, i64 0, i64 0), i32 7000)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str.7, i64 0, i64 0))
%7 = tail call i32 @exit(i32 %0)
unreachable
}