#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*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *av) {
  printf("usage: %s [-q] [-D] [-v] [-c] [-i installdir]\n", av);
  printf("       -q dsktune only reports essential settings\n");
  printf("       -c dsktune only reports tuning information for client "
         "machines\n");
  printf("       -D dsktune also reports the commands executed\n");
  printf("       -v dsktune only reports its release version date\n");
  printf("       -i specify alternate server installation directory\n");
  printf("\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf48(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf70(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xeb5(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xed6(%rip),%rdi
call   1040 <puts@plt>
lea    0xefc(%rip),%rdi
call   1040 <puts@plt>
lea    0xf36(%rip),%rdi
call   1040 <puts@plt>
lea    0xf5f(%rip),%rdi
call   1040 <puts@plt>
lea    0xf8b(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [47 x i8] c"usage: %s [-q] [-D] [-v] [-c] [-i installdir]\0A\00"
@.str.1 = [51 x i8] c" -q dsktune only reports essential settings\0A\00"
@.str.2 = [71 x i8] c" -c dsktune only reports tuning information for client machines\0A\00"
@.str.3 = [54 x i8] c" -D dsktune also reports the commands executed\0A\00"
@.str.4 = [57 x i8] c" -v dsktune only reports its release version date\0A\00"
@.str.5 = [59 x i8] c" -i specify alternate server installation directory\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([57 x i8], [57 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str = [47 x i8] c"usage: %s [-q] [-D] [-v] [-c] [-i installdir]\0A\00"
@str = [50 x i8] c" -q dsktune only reports essential settings\00"
@str.7 = [70 x i8] c" -c dsktune only reports tuning information for client machines\00"
@str.8 = [53 x i8] c" -D dsktune also reports the commands executed\00"
@str.9 = [56 x i8] c" -v dsktune only reports its release version date\00"
@str.10 = [58 x i8] c" -i specify alternate server installation directory\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([70 x i8], [70 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([56 x i8], [56 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([58 x i8], [58 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @exit(i32 1)
unreachable
}