#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 usage(void) {
  printf("watchdog usage:\n");
  printf("  start n:start watchdog and kick every n seconds.\n");
  printf("  on:     watchdog enable\n");
  printf("  off:    watchdog disable\n");
  printf("  kick n:  set watchdog to kick every n seconds\n");
  printf("  timeout n:  system reset if watchdog task not kick in n seconds\n");
  printf("  status: get watchdog status\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
call   1030 <printf@plt>
lea    0xf12(%rip),%rdi
call   1030 <printf@plt>
lea    0xf21(%rip),%rdi
call   1030 <printf@plt>
lea    0xf31(%rip),%rdi
call   1030 <printf@plt>
lea    0xf56(%rip),%rdi
call   1030 <printf@plt>
lea    0xf8d(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xeec(%rip),%rdi
call   1030 <puts@plt>
lea    0xf13(%rip),%rdi
call   1030 <puts@plt>
lea    0xf21(%rip),%rdi
call   1030 <puts@plt>
lea    0xf30(%rip),%rdi
call   1030 <puts@plt>
lea    0xf54(%rip),%rdi
call   1030 <puts@plt>
lea    0xf8a(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [17 x i8] c"watchdog usage:\0A\00"
@.str.1 = [52 x i8] c" start n:start watchdog and kick every n seconds.\0A\00"
@.str.2 = [27 x i8] c" on: watchdog enable\0A\00"
@.str.3 = [28 x i8] c" off: watchdog disable\0A\00"
@.str.4 = [49 x i8] c" kick n: set watchdog to kick every n seconds\0A\00"
@.str.5 = [67 x i8] c" timeout n: system reset if watchdog task not kick in n seconds\0A\00"
@.str.6 = [31 x i8] c" status: get watchdog status\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([67 x i8], [67 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [16 x i8] c"watchdog usage:\00"
@str.7 = [51 x i8] c" start n:start watchdog and kick every n seconds.\00"
@str.8 = [26 x i8] c" on: watchdog enable\00"
@str.9 = [27 x i8] c" off: watchdog disable\00"
@str.10 = [48 x i8] c" kick n: set watchdog to kick every n seconds\00"
@str.11 = [66 x i8] c" timeout n: system reset if watchdog task not kick in n seconds\00"
@str.12 = [30 x i8] c" status: get watchdog status\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([66 x i8], [66 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.12, i64 0, i64 0))
ret void
}