#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 /*<<< orphan*/ system(char *);
int main() {
  int data, anoAtual, idade;
  printf("Data de nascimento: ");
  scanf("%d", &data);
  printf("Ano atual: ");
  scanf("%d", &anoAtual);
  idade = anoAtual - data;
  printf("Sua idade eh: %d\n", idade);
  idade = 2050 - data;
  printf("Sua idade em 2050: %d\n", idade);
  system("pause");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1050 <scanf@plt>
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeaa(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
sub    -0x4(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xe9d(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    $0x802,%eax
sub    -0x4(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xe93(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe9c(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xec4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xecb(%rip),%rbx
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeba(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
sub    0x8(%rsp),%esi
lea    0xea3(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x802,%esi
sub    0x8(%rsp),%esi
lea    0xe9e(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xea7(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [21 x i8] c"Data de nascimento: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"Ano atual: \00"
@.str.3 = [18 x i8] c"Sua idade eh: %d\0A\00"
@.str.4 = [23 x i8] c"Sua idade em 2050: %d\0A\00"
@.str.5 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%8 = load i32, i32* %2
%9 = load i32, i32* %1
%10 = sub nsw i32 %8, %9
store i32 %10, i32* %3
%11 = load i32, i32* %3
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %1
%14 = sub nsw i32 2050, %13
store i32 %14, i32* %3
%15 = load i32, i32* %3
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %15)
%17 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [21 x i8] c"Data de nascimento: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"Ano atual: \00"
@.str.3 = [18 x i8] c"Sua idade eh: %d\0A\00"
@.str.4 = [23 x i8] c"Sua idade em 2050: %d\0A\00"
@.str.5 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %2
%10 = load i32, i32* %1
%11 = sub nsw i32 %9, %10
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %1
%14 = sub nsw i32 2050, %13
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %14)
%16 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
ret i32 0
}