#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 *, char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int numero;
  printf(
      "%s",
      "Inserire il numero e premere invio per vedere se e' pari o dispari: ");
  scanf("%d", &numero);
  if (numero % 2 == 0) {
    printf("%s", "\nil numero è pari.\n");
  }
  if (numero % 2 != 0) {
    printf("%s", "Il numero e' dispari.\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    0xec6(%rip),%rsi
call   1030 <printf@plt>
lea    0xeff(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1179 <main+0x59>
lea    0xe93(%rip),%rdi
lea    0xed7(%rip),%rsi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
je     11a0 <main+0x80>
lea    0xe6c(%rip),%rdi
lea    0xec5(%rip),%rsi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
lea    0xed4(%rip),%rsi
call   1030 <printf@plt>
lea    0xf0d(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
testb  $0x1,0x4(%rsp)
jne    1166 <main+0x46>
lea    0xead(%rip),%rdi
lea    0xef1(%rip),%rsi
call   1030 <printf@plt>
testb  $0x1,0x4(%rsp)
je     1179 <main+0x59>
lea    0xe93(%rip),%rdi
lea    0xeec(%rip),%rsi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%s\00"
@.str.1 = [69 x i8] c"Inserire il numero e premere invio per vedere se e' pari o dispari: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [21 x i8] c"\0Ail numero \C3\A8 pari.\0A\00"
@.str.4 = [23 x i8] c"Il numero e' dispari.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%5 = load i32, i32* %2
%6 = srem i32 %5, 2
%7 = icmp eq i32 %6, 0
br i1 %7, label %8, label %10
8: ; preds = %0
%9 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
br label %10
10: ; preds = %8, %0
%11 = load i32, i32* %2
%12 = srem i32 %11, 2
%13 = icmp ne i32 %12, 0
br i1 %13, label %14, label %16
14: ; preds = %10
%15 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
br label %16
16: ; preds = %14, %10
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%s\00"
@.str.1 = [69 x i8] c"Inserire il numero e premere invio per vedere se e' pari o dispari: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [21 x i8] c"\0Ail numero \C3\A8 pari.\0A\00"
@.str.4 = [23 x i8] c"Il numero e' dispari.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([69 x i8], [69 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = and i32 %5, 1
%7 = icmp eq i32 %6, 0
br i1 %7, label %8, label %13
8: ; preds = %0
%9 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* %1
%11 = and i32 %10, 1
%12 = icmp eq i32 %11, 0
br i1 %12, label %15, label %13
13: ; preds = %0, %8
%14 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0))
br label %15
15: ; preds = %13, %8
ret i32 0
}