#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() {
  int num = 1, qpar = 0, qimp = 0;
  while (num != 0) {
    printf("Introduza\n");
    scanf("%d", &num);
    if (num % 2 == 0) {
      qpar++;
    } else {
      qimp++;
    }
  }
  printf("Pares -> %d\n", qpar);
  printf("Impares -> %d\n", qimp);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
cmpl   $0x0,-0x8(%rbp)
je     119c <main+0x7c>
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea8(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    118e <main+0x6e>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1197 <main+0x77>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1144 <main+0x24>
mov    -0xc(%rbp),%esi
lea    0xe68(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%esi
lea    0xe64(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x10,%rsp
movl   $0x1,0xc(%rsp)
xor    %ebx,%ebx
lea    0xed2(%rip),%r14
lea    0xeac(%rip),%r15
lea    0xc(%rsp),%r12
xor    %ebp,%ebp
nopl   0x0(%rax,%rax,1)
mov    %r14,%rdi
call   1030 <puts@plt>
mov    %r15,%rdi
mov    %r12,%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
mov    %eax,%ecx
and    $0x1,%ecx
add    %ecx,%ebx
xor    $0x1,%ecx
add    %ecx,%ebp
test   %eax,%eax
jne    1160 <main+0x30>
lea    0xe75(%rip),%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe72(%rip),%rdi
mov    %ebx,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [11 x i8] c"Introduza\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [13 x i8] c"Pares -> %d\0A\00"
@.str.3 = [15 x i8] c"Impares -> %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %2
store i32 0, i32* %3
store i32 0, i32* %4
br label %5
5: ; preds = %20, %0
%6 = load i32, i32* %2
%7 = icmp ne i32 %6, 0
br i1 %7, label %8, label %21
8: ; preds = %5
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %2
%12 = srem i32 %11, 2
%13 = icmp eq i32 %12, 0
br i1 %13, label %14, label %17
14: ; preds = %8
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
store i32 %16, i32* %3
br label %20
17: ; preds = %8
%18 = load i32, i32* %4
%19 = add nsw i32 %18, 1
store i32 %19, i32* %4
br label %20
20: ; preds = %17, %14
br label %5
21: ; preds = %5
%22 = load i32, i32* %3
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 %22)
%24 = load i32, i32* %4
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %24)
%26 = load i32, i32* %1
ret i32 %26
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [13 x i8] c"Pares -> %d\0A\00"
@.str.3 = [15 x i8] c"Impares -> %d\0A\00"
@str = [10 x i8] c"Introduza\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 1, i32* %1
br label %3
3: ; preds = %0, %3
%4 = phi i32 [ 0, %0 ], [ %12, %3 ]
%5 = phi i32 [ 0, %0 ], [ %11, %3 ]
%6 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%8 = load i32, i32* %1
%9 = and i32 %8, 1
%10 = xor i32 %9, 1
%11 = add nuw nsw i32 %10, %5
%12 = add nuw nsw i32 %9, %4
%13 = icmp eq i32 %8, 0
br i1 %13, label %14, label %3
14: ; preds = %3
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 %11)
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.3, i64 0, i64 0), i32 %12)
ret i32 0
}