#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 *);
int /*<<< orphan*/ scanf(char *, int *);
int menu() {
  int option;
  printf("\x1b[33m+------------------------------+\x1b[0m\n"
         "|\x1b[33m 1\x1b[0m - Fill the sudoku board    |\n"
         "|\x1b[33m 2\x1b[0m - Print the sudoku board   |\n"
         "|\x1b[33m 3\x1b[0m - Check the board rows     |\n"
         "|\x1b[33m 4\x1b[0m - Check the board columns  |\n"
         "|\x1b[33m 5\x1b[0m - Check the board sectors  |\n"
         "|\x1b[33m 6\x1b[0m - Check Sector all sectors |\n"
         "|\x1b[33m 7\x1b[0m - Show the sudoku result   |\n"
         "|\x1b[33m 8\x1b[0m - Empty the grid           |\n"
         "|\x1b[33m 9\x1b[0m - Exit                     |\n"
         "\x1b[33m+------------------------------+\x1b[0m\n"
         "$: ");
  scanf("%d", &option);
  return option;
}


x86 assembly (clang, -O0):
<menu>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0x1097(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<menu>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <printf@plt>
lea    0x109e(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [466 x i8] c"\1B[33m+------------------------------+\1B[0m\0A|\1B[33m 1\1B[0m - Fill the sudoku board |\0A|\1B[33m 2\1B[0m - Print the sudoku board |\0A|\1B[33m 3\1B[0m - Check the board rows |\0A|\1B[33m 4\1B[0m - Check the board columns |\0A|\1B[33m 5\1B[0m - Check the board sectors |\0A|\1B[33m 6\1B[0m - Check Sector all sectors |\0A|\1B[33m 7\1B[0m - Show the sudoku result |\0A|\1B[33m 8\1B[0m - Empty the grid |\0A|\1B[33m 9\1B[0m - Exit |\0A\1B[33m+------------------------------+\1B[0m\0A$: \00"
@.str.1 = [3 x i8] c"%d\00"
define i32 @menu() {
%1 = alloca i32
%2 = call i32 @printf(i8* getelementptr inbounds ([466 x i8], [466 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
ret i32 %4
}

LLVM IR (-O2):
@.str = [466 x i8] c"\1B[33m+------------------------------+\1B[0m\0A|\1B[33m 1\1B[0m - Fill the sudoku board |\0A|\1B[33m 2\1B[0m - Print the sudoku board |\0A|\1B[33m 3\1B[0m - Check the board rows |\0A|\1B[33m 4\1B[0m - Check the board columns |\0A|\1B[33m 5\1B[0m - Check the board sectors |\0A|\1B[33m 6\1B[0m - Check Sector all sectors |\0A|\1B[33m 7\1B[0m - Show the sudoku result |\0A|\1B[33m 8\1B[0m - Empty the grid |\0A|\1B[33m 9\1B[0m - Exit |\0A\1B[33m+------------------------------+\1B[0m\0A$: \00"
@.str.1 = [3 x i8] c"%d\00"
define i32 @menu() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([466 x i8], [466 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
ret i32 %5
}