#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*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(stderr, "-d dev	device to check\n");
  fprintf(stderr, "-i x	check interval (in ms)\n");
  fprintf(stderr, "-n x	number of tests (or 0 for forever)\n");
  fprintf(stderr, "-v	be verbose\n");
  fprintf(stderr, "-V	show version and exit\n");
  fprintf(stderr, "-h	this help\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2eb0(%rip),%rax
mov    (%rax),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xee7(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xefb(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xef5(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e5c(%rip),%rax
mov    (%rax),%edi
lea    0xefa(%rip),%rsi
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee9(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef8(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf13(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf14(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf20(%rip),%rsi
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [24 x i8] c"-d dev\09device to check\0A\00"
@.str.1 = [29 x i8] c"-i x\09check interval (in ms)\0A\00"
@.str.2 = [41 x i8] c"-n x\09number of tests (or 0 for forever)\0A\00"
@.str.3 = [15 x i8] c"-v\09be verbose\0A\00"
@.str.4 = [26 x i8] c"-V\09show version and exit\0A\00"
@.str.5 = [14 x i8] c"-h\09this help\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [24 x i8] c"-d dev\09device to check\0A\00"
@.str.1 = [29 x i8] c"-i x\09check interval (in ms)\0A\00"
@.str.2 = [41 x i8] c"-n x\09number of tests (or 0 for forever)\0A\00"
@.str.3 = [15 x i8] c"-v\09be verbose\0A\00"
@.str.4 = [26 x i8] c"-V\09show version and exit\0A\00"
@.str.5 = [14 x i8] c"-h\09this help\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
ret void
}