#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("Simple HID test application\n");
  printf("-d dev      -- HIDRAW device to use\n");
  printf("-c cmd_num  -- number of command to send\n");
  printf("\tavailable commands:\n");
  printf("\t1 - Get_Report\n");
  printf("\t2 - Set_Report\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf2d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf37(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3c(%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    0xef8(%rip),%rdi
call   1030 <puts@plt>
lea    0xf10(%rip),%rdi
call   1030 <puts@plt>
lea    0xf2d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf36(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3a(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [29 x i8] c"Simple HID test application\0A\00"
@.str.1 = [37 x i8] c"-d dev -- HIDRAW device to use\0A\00"
@.str.2 = [42 x i8] c"-c cmd_num -- number of command to send\0A\00"
@.str.3 = [22 x i8] c"\09available commands:\0A\00"
@.str.4 = [17 x i8] c"\091 - Get_Report\0A\00"
@.str.5 = [17 x i8] c"\092 - Set_Report\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 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 ([17 x i8], [17 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))
ret void
}

LLVM IR (-O2):
@str = [28 x i8] c"Simple HID test application\00"
@str.6 = [36 x i8] c"-d dev -- HIDRAW device to use\00"
@str.7 = [41 x i8] c"-c cmd_num -- number of command to send\00"
@str.8 = [21 x i8] c"\09available commands:\00"
@str.9 = [16 x i8] c"\091 - Get_Report\00"
@str.10 = [16 x i8] c"\092 - Set_Report\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.10, i64 0, i64 0))
ret void
}