#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(char *name) {
  fprintf(stderr, "\nUsage:\n");
  fprintf(stderr, "    %s [options] <destination-IP> <destination-port>\n",
          name);
  fprintf(stderr, "    %s [options] -l -p <listening-port>\n", name);
  fprintf(stderr, "\n");
  fprintf(stderr, "Options:\n");
  fprintf(stderr, "    -h          Help\n");
  fprintf(stderr, "    -d          Debug mode; use multiple times to increase "
                  "verbosity.\n");
  fprintf(stderr, "    -l          Listen mode\n");
  fprintf(stderr, "    -p <port>   Local port\n");
  fprintf(stderr, "    -s <IP>     Source IP\n");
  fprintf(stderr, "    -B <size>   Buffer size\n");
  fprintf(stderr, "    -n          Don't resolve hostnames\n");
  fprintf(stderr, "\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e96(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xeb2(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xecd(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e60(%rip),%rax
mov    (%rax),%edi
lea    0xf44(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e49(%rip),%rax
mov    (%rax),%edi
lea    0xec8(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e32(%rip),%rax
mov    (%rax),%edi
lea    0xebb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1b(%rip),%rax
mov    (%rax),%edi
lea    0xeba(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e04(%rip),%rax
mov    (%rax),%edi
lea    0xeea(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ded(%rip),%rax
mov    (%rax),%edi
lea    0xef0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dd6(%rip),%rax
mov    (%rax),%edi
lea    0xef5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dbf(%rip),%rax
mov    (%rax),%edi
lea    0xef9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2da8(%rip),%rax
mov    (%rax),%edi
lea    0xeff(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d91(%rip),%rax
mov    (%rax),%edi
lea    0xe75(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
mov    0x2eb2(%rip),%r14
mov    (%r14),%edi
lea    0xec8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xec0(%rip),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xee2(%rip),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf5c(%rip),%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xee3(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xedc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xee1(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf17(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf23(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf2e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf38(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf44(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
mov    %rbx,%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [9 x i8] c"\0AUsage:\0A\00"
@.str.1 = [54 x i8] c" %s [options] <destination-IP> <destination-port>\0A\00"
@.str.2 = [41 x i8] c" %s [options] -l -p <listening-port>\0A\00"
@.str.3 = [2 x i8] c"\0A\00"
@.str.4 = [10 x i8] c"Options:\0A\00"
@.str.5 = [22 x i8] c" -h Help\0A\00"
@.str.6 = [71 x i8] c" -d Debug mode; use multiple times to increase verbosity.\0A\00"
@.str.7 = [29 x i8] c" -l Listen mode\0A\00"
@.str.8 = [28 x i8] c" -p <port> Local port\0A\00"
@.str.9 = [27 x i8] c" -s <IP> Source IP\0A\00"
@.str.10 = [29 x i8] c" -B <size> Buffer size\0A\00"
@.str.11 = [41 x i8] c" -n Don't resolve hostnames\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %2
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i8* %6)
%8 = load i32, i32* @stderr
%9 = load i8*, i8** %2
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0), i8* %9)
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.4, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 (i32, i8*, ...) @fprintf(i32 %17, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.6, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = call i32 (i32, i8*, ...) @fprintf(i32 %19, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.7, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = call i32 (i32, i8*, ...) @fprintf(i32 %21, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.8, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = call i32 (i32, i8*, ...) @fprintf(i32 %23, i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.9, i64 0, i64 0))
%25 = load i32, i32* @stderr
%26 = call i32 (i32, i8*, ...) @fprintf(i32 %25, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.10, i64 0, i64 0))
%27 = load i32, i32* @stderr
%28 = call i32 (i32, i8*, ...) @fprintf(i32 %27, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%29 = load i32, i32* @stderr
%30 = call i32 (i32, i8*, ...) @fprintf(i32 %29, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%31 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [9 x i8] c"\0AUsage:\0A\00"
@.str.1 = [54 x i8] c" %s [options] <destination-IP> <destination-port>\0A\00"
@.str.2 = [41 x i8] c" %s [options] -l -p <listening-port>\0A\00"
@.str.3 = [2 x i8] c"\0A\00"
@.str.4 = [10 x i8] c"Options:\0A\00"
@.str.5 = [22 x i8] c" -h Help\0A\00"
@.str.6 = [71 x i8] c" -d Debug mode; use multiple times to increase verbosity.\0A\00"
@.str.7 = [29 x i8] c" -l Listen mode\0A\00"
@.str.8 = [28 x i8] c" -p <port> Local port\0A\00"
@.str.9 = [27 x i8] c" -s <IP> Source IP\0A\00"
@.str.10 = [29 x i8] c" -B <size> Buffer size\0A\00"
@.str.11 = [41 x i8] c" -n Don't resolve hostnames\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.6, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.7, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.8, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = tail call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.9, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = tail call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.10, i64 0, i64 0))
%24 = load i32, i32* @stderr
%25 = tail call i32 (i32, i8*, ...) @fprintf(i32 %24, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%26 = load i32, i32* @stderr
%27 = tail call i32 (i32, i8*, ...) @fprintf(i32 %26, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%28 = tail call i32 @exit(i32 1)
unreachable
}