#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 *);
void main() {
  int x, y;
  printf("Informe o valor de X: ");
  scanf("%d", &x);
  printf("Informe o valor de Y: ");
  scanf("%d", &y);
  x = x ^ y;
  y = x ^ y;
  x = x ^ y;
  printf("Valor do X: %d\n", x);
  printf("Valor do Y: %d\n", y);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeda(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebc(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x4(%rbp),%eax
xor    -0x8(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
xor    -0x8(%rbp),%eax
mov    %eax,-0x8(%rbp)
mov    -0x4(%rbp),%eax
xor    -0x8(%rbp),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%esi
lea    0xea8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xedd(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xecc(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
mov    0xc(%rsp),%eax
mov    0x8(%rsp),%esi
mov    %eax,0x8(%rsp)
mov    %esi,0xc(%rsp)
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x8(%rsp),%esi
lea    0xeb6(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [23 x i8] c"Informe o valor de X: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [23 x i8] c"Informe o valor de Y: \00"
@.str.3 = [16 x i8] c"Valor do X: %d\0A\00"
@.str.4 = [16 x i8] c"Valor do Y: %d\0A\00"
define void @main() {
%1 = alloca i32
%2 = alloca i32
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 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 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %1
%8 = load i32, i32* %2
%9 = xor i32 %7, %8
store i32 %9, i32* %1
%10 = load i32, i32* %1
%11 = load i32, i32* %2
%12 = xor i32 %10, %11
store i32 %12, i32* %2
%13 = load i32, i32* %1
%14 = load i32, i32* %2
%15 = xor i32 %13, %14
store i32 %15, i32* %1
%16 = load i32, i32* %1
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0), i32 %16)
%18 = load i32, i32* %2
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i32 %18)
ret void
}

LLVM IR (-O2):
@.str = [23 x i8] c"Informe o valor de X: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [23 x i8] c"Informe o valor de Y: \00"
@.str.3 = [16 x i8] c"Valor do X: %d\0A\00"
@.str.4 = [16 x i8] c"Valor do Y: %d\0A\00"
define void @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 ([23 x i8], [23 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 ([23 x i8], [23 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* %1
%10 = load i32, i32* %2
store i32 %9, i32* %2
store i32 %10, i32* %1
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.3, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %2
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.4, i64 0, i64 0), i32 %12)
ret void
}