#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 *, unsigned char *);
int main() {
  unsigned char num;
  printf("Insira o numero a ser invertido\n");
  scanf("%i", &num);
  printf("\nNumero original: %i\n", num);
  num = ~(num);
  printf("Numero invertido com NOT: %i\n", num);
}


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    0xee4(%rip),%rdi
lea    -0x1(%rbp),%rsi
call   1040 <scanf@plt>
movzbl -0x1(%rbp),%esi
lea    0xed3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movzbl -0x1(%rbp),%eax
xor    $0xffffffff,%eax
mov    %al,-0x1(%rbp)
movzbl -0x1(%rbp),%esi
lea    0xecd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeff(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rdi
lea    0x7(%rsp),%rsi
call   1050 <scanf@plt>
movzbl 0x7(%rsp),%esi
lea    0xea9(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
movzbl 0x7(%rsp),%esi
xor    $0xff,%esi
mov    %sil,0x7(%rsp)
lea    0xea1(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [33 x i8] c"Insira o numero a ser invertido\0A\00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [22 x i8] c"\0ANumero original: %i\0A\00"
@.str.3 = [30 x i8] c"Numero invertido com NOT: %i\0A\00"
define i32 @main() {
%1 = alloca i8
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %1)
%4 = load i8, i8* %1
%5 = zext i8 %4 to i32
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = load i8, i8* %1
%8 = zext i8 %7 to i32
%9 = xor i32 %8, -1
%10 = trunc i32 %9 to i8
store i8 %10, i8* %1
%11 = load i8, i8* %1
%12 = zext i8 %11 to i32
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0), i32 %12)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [22 x i8] c"\0ANumero original: %i\0A\00"
@.str.3 = [30 x i8] c"Numero invertido com NOT: %i\0A\00"
@str = [32 x i8] c"Insira o numero a ser invertido\00"
define i32 @main() {
%1 = alloca i8
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str, i64 0, i64 0))
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %1)
%4 = load i8, i8* %1
%5 = zext i8 %4 to i32
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = load i8, i8* %1
%8 = xor i8 %7, -1
store i8 %8, i8* %1
%9 = zext i8 %8 to i32
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0), i32 %9)
ret i32 0
}