#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() {
  fprintf(stderr, "usage:\n");
  fprintf(stderr, ">>read - read back pin status of current selected io \n");
  fprintf(stderr, ">>write port value\n");
  fprintf(stderr, ">>   - port : which port to write (0 ~ n) \n");
  fprintf(stderr,
          ">>            port name is in accord with Arduino UNO style.  \n");
  fprintf(stderr,
          ">>   - value : 0, 1 or 2, write 2 to set port to input mode \n");
  fprintf(stderr, ">>example: write 0 1\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    0xecf(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xef1(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xef0(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e71(%rip),%rax
mov    (%rax),%edi
lea    0xf07(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e5c(%rip),%rax
mov    (%rax),%edi
lea    0xf32(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e47(%rip),%rax
mov    (%rax),%edi
lea    0xf5b(%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    0xed9(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf02(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf08(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf26(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf58(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf88(%rip),%rsi
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [8 x i8] c"usage:\0A\00"
@.str.1 = [55 x i8] c">>read - read back pin status of current selected io \0A\00"
@.str.2 = [20 x i8] c">>write port value\0A\00"
@.str.3 = [44 x i8] c">> - port : which port to write (0 ~ n) \0A\00"
@.str.4 = [64 x i8] c">> port name is in accord with Arduino UNO style. \0A\00"
@.str.5 = [62 x i8] c">> - value : 0, 1 or 2, write 2 to set port to input mode \0A\00"
@.str.6 = [22 x i8] c">>example: write 0 1\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [8 x i8] c"usage:\0A\00"
@.str.1 = [55 x i8] c">>read - read back pin status of current selected io \0A\00"
@.str.2 = [20 x i8] c">>write port value\0A\00"
@.str.3 = [44 x i8] c">> - port : which port to write (0 ~ n) \0A\00"
@.str.4 = [64 x i8] c">> port name is in accord with Arduino UNO style. \0A\00"
@.str.5 = [62 x i8] c">> - value : 0, 1 or 2, write 2 to set port to input mode \0A\00"
@.str.6 = [22 x i8] c">>example: write 0 1\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([55 x i8], [55 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0))
ret void
}