#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 usage(char *progname) {
  printf("\n%s [OPTIONS]\n\n", progname);
  printf("-r, --rules-dir  PATH       specifies rules directory\n");
  printf("-d, --events-dump           prints handled Netlink events in "
         "key=value format\n");
  printf(
      "-f, --foreground            runs in foreground with console logging\n");
  printf("-p, --pid-file PATH         specifies pid file\n");
  return -1;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf04(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf45(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf7c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0xffffffff,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed7(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf43(%rip),%rdi
call   1030 <puts@plt>
lea    0xf7b(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffffffff,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [16 x i8] c"\0A%s [OPTIONS]\0A\0A\00"
@.str.1 = [55 x i8] c"-r, --rules-dir PATH specifies rules directory\0A\00"
@.str.2 = [79 x i8] c"-d, --events-dump prints handled Netlink events in key=value format\0A\00"
@.str.3 = [69 x i8] c"-f, --foreground runs in foreground with console logging\0A\00"
@.str.4 = [48 x i8] c"-p, --pid-file PATH specifies pid file\0A\00"
define i32 @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([79 x i8], [79 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0))
ret i32 -1
}

LLVM IR (-O2):
@.str = [16 x i8] c"\0A%s [OPTIONS]\0A\0A\00"
@str = [54 x i8] c"-r, --rules-dir PATH specifies rules directory\00"
@str.5 = [78 x i8] c"-d, --events-dump prints handled Netlink events in key=value format\00"
@str.6 = [68 x i8] c"-f, --foreground runs in foreground with console logging\00"
@str.7 = [47 x i8] c"-p, --pid-file PATH specifies pid file\00"
define i32 @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([78 x i8], [78 x i8]* @str.5, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([68 x i8], [68 x i8]* @str.6, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.7, i64 0, i64 0))
ret i32 -1
}