#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: ionice [OPTIONS] [COMMAND [ARG]...]\n");
  printf("Sets or gets process io scheduling class and priority.\n");
  printf("\n\t-n\tClass data (typically 0-7, lower being higher prio)\n");
  printf("\t-c\tScheduling class\n");
  printf("\t\t\t1: realtime, 2: best-effort, 3: idle\n");
  printf("\t-p\tProcess pid\n");
  printf("\t-h\tThis help page\n");
  printf("\nJens Axboe <axboe@suse.de> (C) 2005\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf05(%rip),%rdi
call   1030 <printf@plt>
lea    0xf31(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf69(%rip),%rdi
call   1030 <printf@plt>
lea    0xf86(%rip),%rdi
call   1030 <printf@plt>
lea    0xf8b(%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    0xf07(%rip),%rdi
call   1030 <puts@plt>
lea    0xf32(%rip),%rdi
call   1030 <puts@plt>
lea    0xf5f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf68(%rip),%rdi
call   1030 <puts@plt>
lea    0xf84(%rip),%rdi
call   1030 <puts@plt>
lea    0xf88(%rip),%rdi
call   1030 <puts@plt>
lea    0xf8f(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [44 x i8] c"Usage: ionice [OPTIONS] [COMMAND [ARG]...]\0A\00"
@.str.1 = [56 x i8] c"Sets or gets process io scheduling class and priority.\0A\00"
@.str.2 = [58 x i8] c"\0A\09-n\09Class data (typically 0-7, lower being higher prio)\0A\00"
@.str.3 = [22 x i8] c"\09-c\09Scheduling class\0A\00"
@.str.4 = [41 x i8] c"\09\09\091: realtime, 2: best-effort, 3: idle\0A\00"
@.str.5 = [17 x i8] c"\09-p\09Process pid\0A\00"
@.str.6 = [20 x i8] c"\09-h\09This help page\0A\00"
@.str.7 = [38 x i8] c"\0AJens Axboe <axboe@suse.de> (C) 2005\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.7, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [43 x i8] c"Usage: ionice [OPTIONS] [COMMAND [ARG]...]\00"
@str.8 = [55 x i8] c"Sets or gets process io scheduling class and priority.\00"
@str.9 = [57 x i8] c"\0A\09-n\09Class data (typically 0-7, lower being higher prio)\00"
@str.10 = [21 x i8] c"\09-c\09Scheduling class\00"
@str.11 = [40 x i8] c"\09\09\091: realtime, 2: best-effort, 3: idle\00"
@str.12 = [16 x i8] c"\09-p\09Process pid\00"
@str.13 = [19 x i8] c"\09-h\09This help page\00"
@str.14 = [37 x i8] c"\0AJens Axboe <axboe@suse.de> (C) 2005\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.14, i64 0, i64 0))
ret void
}