#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("usage: rc5watch [-h] [-n num] [-t] [-T] [path to ir0 device]\n");
  printf("-h : this help\n");
  printf("-n : display <num> events, then exit\n");
  printf("-t : wait for toggle change to display events\n");
  printf("-T : (use with -n) restrict count to toggle changes "
         "instead of events\n");
  printf("output format: 'toggle:address:command'\n");
  return;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf17(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf35(%rip),%rdi
call   1030 <printf@plt>
lea    0xf58(%rip),%rdi
call   1030 <printf@plt>
lea    0xf93(%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    0xf19(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1c(%rip),%rdi
call   1030 <puts@plt>
lea    0xf35(%rip),%rdi
call   1030 <puts@plt>
lea    0xf57(%rip),%rdi
call   1030 <puts@plt>
lea    0xf91(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [62 x i8] c"usage: rc5watch [-h] [-n num] [-t] [-T] [path to ir0 device]\0A\00"
@.str.1 = [16 x i8] c"-h : this help\0A\00"
@.str.2 = [38 x i8] c"-n : display <num> events, then exit\0A\00"
@.str.3 = [47 x i8] c"-t : wait for toggle change to display events\0A\00"
@.str.4 = [71 x i8] c"-T : (use with -n) restrict count to toggle changes instead of events\0A\00"
@.str.5 = [41 x i8] c"output format: 'toggle:address:command'\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [61 x i8] c"usage: rc5watch [-h] [-n num] [-t] [-T] [path to ir0 device]\00"
@str.6 = [15 x i8] c"-h : this help\00"
@str.7 = [37 x i8] c"-n : display <num> events, then exit\00"
@str.8 = [46 x i8] c"-t : wait for toggle change to display events\00"
@str.9 = [70 x i8] c"-T : (use with -n) restrict count to toggle changes instead of events\00"
@str.10 = [40 x i8] c"output format: 'toggle:address:command'\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([61 x i8], [61 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([70 x i8], [70 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.10, i64 0, i64 0))
ret void
}