#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 main(void) {
  int num = 0;
  printf("Digite um número inteiro: ");
  scanf("%d", &num);
  if (num % 2 == 0) {
    printf("O número é par\n");
  } else {
    printf("O número é impar\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
lea    0xec3(%rip),%rdi
call   1030 <printf@plt>
lea    0xed3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    1177 <main+0x57>
lea    0xeb2(%rip),%rdi
call   1030 <printf@plt>
jmp    1183 <main+0x63>
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
movl   $0x0,0x4(%rsp)
lea    0xec0(%rip),%rdi
call   1040 <printf@plt>
lea    0xed0(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
testb  $0x1,0x4(%rsp)
lea    0xed0(%rip),%rax
lea    0xeb6(%rip),%rdi
cmove  %rax,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [28 x i8] c"Digite um n\C3\BAmero inteiro: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [18 x i8] c"O n\C3\BAmero \C3\A9 par\0A\00"
@.str.3 = [20 x i8] c"O n\C3\BAmero \C3\A9 impar\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
%3 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 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* %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 ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0))
br label %12
10: ; preds = %0
%11 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
br label %12
12: ; preds = %10, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [28 x i8] c"Digite um n\C3\BAmero inteiro: \00"
@.str.1 = [3 x i8] c"%d\00"
@str = [19 x i8] c"O n\C3\BAmero \C3\A9 impar\00"
@str.4 = [17 x i8] c"O n\C3\BAmero \C3\A9 par\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 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
%6 = and i32 %5, 1
%7 = icmp eq i32 %6, 0
%8 = select i1 %7, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @str.4, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0)
%9 = call i32 @puts(i8* dereferenceable(1) %8)
ret i32 0
}