#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 *progname) {
  printf("usage: %s <options>\n", progname);
  printf("\twhere options can be:\n");
  printf("\t--file <file>\n");
  printf("\t--sleep <ms>\n");
  printf("\t--bs <kb>\n");
  printf("\t--seed <int>\n");
  printf("\t--seek <kb>\n");
  printf("\t--random\n");
  printf("\t--linear\n");
  printf("\t--writeonly\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    0xed0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed6(%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    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
lea    0xed7(%rip),%rdi
call   1030 <puts@plt>
lea    0xeda(%rip),%rdi
call   1030 <puts@plt>
lea    0xedc(%rip),%rdi
call   1030 <puts@plt>
lea    0xedb(%rip),%rdi
call   1030 <puts@plt>
lea    0xedd(%rip),%rdi
call   1030 <puts@plt>
lea    0xede(%rip),%rdi
call   1030 <puts@plt>
lea    0xedc(%rip),%rdi
call   1030 <puts@plt>
lea    0xeda(%rip),%rdi
call   1030 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [21 x i8] c"usage: %s <options>\0A\00"
@.str.1 = [24 x i8] c"\09where options can be:\0A\00"
@.str.2 = [16 x i8] c"\09--file <file>\0A\00"
@.str.3 = [15 x i8] c"\09--sleep <ms>\0A\00"
@.str.4 = [12 x i8] c"\09--bs <kb>\0A\00"
@.str.5 = [15 x i8] c"\09--seed <int>\0A\00"
@.str.6 = [14 x i8] c"\09--seek <kb>\0A\00"
@.str.7 = [11 x i8] c"\09--random\0A\00"
@.str.8 = [11 x i8] c"\09--linear\0A\00"
@.str.9 = [14 x i8] c"\09--writeonly\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 ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.8, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.9, i64 0, i64 0))
%14 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str = [21 x i8] c"usage: %s <options>\0A\00"
@str = [23 x i8] c"\09where options can be:\00"
@str.10 = [15 x i8] c"\09--file <file>\00"
@str.11 = [14 x i8] c"\09--sleep <ms>\00"
@str.12 = [11 x i8] c"\09--bs <kb>\00"
@str.13 = [14 x i8] c"\09--seed <int>\00"
@str.14 = [13 x i8] c"\09--seek <kb>\00"
@str.15 = [10 x i8] c"\09--random\00"
@str.16 = [10 x i8] c"\09--linear\00"
@str.17 = [13 x i8] c"\09--writeonly\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.14, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.15, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.16, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str.17, i64 0, i64 0))
%12 = tail call i32 @exit(i32 1)
unreachable
}