#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 print_usage(char *program) {
  fprintf(stderr,
          "usage: %s "
          "[-n <num_packets>] "
          "[-s <chunk_size>] "
          "[-p <packet_size>] "
          "[-f <num_flows>] "
          "[-v <ip version>] "
          "[-c <loop count>] "
          "[-t <seconds>] "
          "-i all|dev1 [-i dev2] ...\n",
          program);
  fprintf(stderr, "  default <num_packets> is 0 (infinite)\n");
  fprintf(stderr, "    (note: <num_packets> is a per-cpu value)\n");
  fprintf(stderr, "  default <chunk_size> is 64 packets per chunk\n");
  fprintf(stderr, "  default <packet_size> is 60 (w/o 4-byte CRC)\n");
  fprintf(stderr, "  default <num_flows> is 0 (0 = infinite)\n");
  fprintf(stderr, "  default <ip version> is 4 (6 = ipv6)\n");
  fprintf(stderr,
          "  default <loop count> is 1 (only valid for latency mesaurement)\n");
  fprintf(stderr, "  default <seconds> is 0 (0 = infinite)\n");
  exit(1);
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e92(%rip),%rax
mov    (%rax),%edi
lea    0xf4a(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
lea    0xf5c(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e64(%rip),%rax
mov    (%rax),%edi
lea    0xf73(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
lea    0xf8c(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e36(%rip),%rax
mov    (%rax),%edi
lea    0xfa5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1f(%rip),%rax
mov    (%rax),%edi
lea    0xfb9(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e08(%rip),%rax
mov    (%rax),%edi
lea    0xfca(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2df1(%rip),%rax
mov    (%rax),%edi
lea    0xff5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<print_usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2eb5(%rip),%rbx
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf5d(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf76(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf94(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfb4(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfd4(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfef(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1007(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1039(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [161 x i8] c"usage: %s [-n <num_packets>] [-s <chunk_size>] [-p <packet_size>] [-f <num_flows>] [-v <ip version>] [-c <loop count>] [-t <seconds>] -i all|dev1 [-i dev2] ...\0A\00"
@.str.1 = [41 x i8] c" default <num_packets> is 0 (infinite)\0A\00"
@.str.2 = [46 x i8] c" (note: <num_packets> is a per-cpu value)\0A\00"
@.str.3 = [48 x i8] c" default <chunk_size> is 64 packets per chunk\0A\00"
@.str.4 = [48 x i8] c" default <packet_size> is 60 (w/o 4-byte CRC)\0A\00"
@.str.5 = [43 x i8] c" default <num_flows> is 0 (0 = infinite)\0A\00"
@.str.6 = [40 x i8] c" default <ip version> is 4 (6 = ipv6)\0A\00"
@.str.7 = [66 x i8] c" default <loop count> is 1 (only valid for latency mesaurement)\0A\00"
@.str.8 = [41 x i8] c" default <seconds> is 0 (0 = infinite)\0A\00"
define void @print_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([161 x i8], [161 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.5, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.6, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([66 x i8], [66 x i8]* @.str.7, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.8, i64 0, i64 0))
%22 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [161 x i8] c"usage: %s [-n <num_packets>] [-s <chunk_size>] [-p <packet_size>] [-f <num_flows>] [-v <ip version>] [-c <loop count>] [-t <seconds>] -i all|dev1 [-i dev2] ...\0A\00"
@.str.1 = [41 x i8] c" default <num_packets> is 0 (infinite)\0A\00"
@.str.2 = [46 x i8] c" (note: <num_packets> is a per-cpu value)\0A\00"
@.str.3 = [48 x i8] c" default <chunk_size> is 64 packets per chunk\0A\00"
@.str.4 = [48 x i8] c" default <packet_size> is 60 (w/o 4-byte CRC)\0A\00"
@.str.5 = [43 x i8] c" default <num_flows> is 0 (0 = infinite)\0A\00"
@.str.6 = [40 x i8] c" default <ip version> is 4 (6 = ipv6)\0A\00"
@.str.7 = [66 x i8] c" default <loop count> is 1 (only valid for latency mesaurement)\0A\00"
@.str.8 = [41 x i8] c" default <seconds> is 0 (0 = infinite)\0A\00"
define void @print_usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([161 x i8], [161 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([48 x i8], [48 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 ([48 x i8], [48 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 ([43 x i8], [43 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 ([40 x i8], [40 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 ([66 x i8], [66 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 ([41 x i8], [41 x i8]* @.str.8, i64 0, i64 0))
%20 = tail call i32 @exit(i32 1)
unreachable
}