#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(void) {
  printf("For pktcdvd < 0.2.0:\n");
  printf("  pktsetup /dev/pktcdvd0 /dev/cdrom  setup device\n");
  printf("  pktsetup -d /dev/pktcdvd0          tear down device\n");
  printf("For pktcdvd >= 0.2.0:\n");
  printf("  pktsetup dev_name /dev/cdrom       setup device\n");
  printf("  pktsetup -d dev_name               tear down device\n");
  printf("  pktsetup -d major:minor            tear down device\n");
  printf("  pktsetup -s                        show device mappings\n");
  return 1;
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
call   1030 <printf@plt>
lea    0xf16(%rip),%rdi
call   1030 <printf@plt>
lea    0xf41(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf73(%rip),%rdi
call   1030 <printf@plt>
lea    0xf9e(%rip),%rdi
call   1030 <printf@plt>
lea    0xfc9(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef1(%rip),%rdi
call   1030 <puts@plt>
lea    0xf17(%rip),%rdi
call   1030 <puts@plt>
lea    0xf41(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf71(%rip),%rdi
call   1030 <puts@plt>
lea    0xf9b(%rip),%rdi
call   1030 <puts@plt>
lea    0xfc5(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [22 x i8] c"For pktcdvd < 0.2.0:\0A\00"
@.str.1 = [51 x i8] c" pktsetup /dev/pktcdvd0 /dev/cdrom setup device\0A\00"
@.str.2 = [55 x i8] c" pktsetup -d /dev/pktcdvd0 tear down device\0A\00"
@.str.3 = [23 x i8] c"For pktcdvd >= 0.2.0:\0A\00"
@.str.4 = [51 x i8] c" pktsetup dev_name /dev/cdrom setup device\0A\00"
@.str.5 = [55 x i8] c" pktsetup -d dev_name tear down device\0A\00"
@.str.6 = [55 x i8] c" pktsetup -d major:minor tear down device\0A\00"
@.str.7 = [59 x i8] c" pktsetup -s show device mappings\0A\00"
define i32 @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.7, i64 0, i64 0))
ret i32 1
}

LLVM IR (-O2):
@str = [21 x i8] c"For pktcdvd < 0.2.0:\00"
@str.8 = [50 x i8] c" pktsetup /dev/pktcdvd0 /dev/cdrom setup device\00"
@str.9 = [54 x i8] c" pktsetup -d /dev/pktcdvd0 tear down device\00"
@str.10 = [22 x i8] c"For pktcdvd >= 0.2.0:\00"
@str.11 = [50 x i8] c" pktsetup dev_name /dev/cdrom setup device\00"
@str.12 = [54 x i8] c" pktsetup -d dev_name tear down device\00"
@str.13 = [54 x i8] c" pktsetup -d major:minor tear down device\00"
@str.14 = [58 x i8] c" pktsetup -s show device mappings\00"
define i32 @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @str.14, i64 0, i64 0))
ret i32 1
}