#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*/ LC_ALL;
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int /*<<< orphan*/ setlocale(int /*<<< orphan*/, char *);
int main() {
  setlocale(LC_ALL, "");
  int val = 0;
  printf("Insira um valor inteiro: ");
  scanf("%d", &val);
  printf("Antecessor de %d é %d.\n", val, val - 1);
  printf("Sucessor de %d é %d.\n", val, val + 1);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    0x2e9a(%rip),%rax
mov    (%rax),%edi
lea    0xee6(%rip),%rsi
call   1040 <setlocale@plt>
movl   $0x0,-0x8(%rbp)
lea    0xe9e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeaa(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1050 <scanf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
sub    $0x1,%edx
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
add    $0x1,%edx
lea    0xe96(%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
mov    0x2ea8(%rip),%rax
mov    (%rax),%edi
lea    0xef4(%rip),%rsi
call   1040 <setlocale@plt>
movl   $0x0,0x4(%rsp)
lea    0xeab(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xeb7(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%esi
lea    -0x1(%rsi),%edx
lea    0xea2(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
lea    0x1(%rsi),%edx
lea    0xea6(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@LC_ALL = global i32 0
@.str = [1 x i8] zeroinitializer
@.str.1 = [26 x i8] c"Insira um valor inteiro: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [25 x i8] c"Antecessor de %d \C3\A9 %d.\0A\00"
@.str.4 = [23 x i8] c"Sucessor de %d \C3\A9 %d.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = load i32, i32* @LC_ALL
%4 = call i32 @setlocale(i32 %3, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %2
%8 = load i32, i32* %2
%9 = sub nsw i32 %8, 1
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0), i32 %7, i32 %9)
%11 = load i32, i32* %2
%12 = load i32, i32* %2
%13 = add nsw i32 %12, 1
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %11, i32 %13)
ret i32 0
}

LLVM IR (-O2):
@LC_ALL = global i32 0
@.str = [1 x i8] zeroinitializer
@.str.1 = [26 x i8] c"Insira um valor inteiro: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [25 x i8] c"Antecessor de %d \C3\A9 %d.\0A\00"
@.str.4 = [23 x i8] c"Sucessor de %d \C3\A9 %d.\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = load i32, i32* @LC_ALL
%3 = tail call i32 @setlocale(i32 %2, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0))
%4 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%7 = load i32, i32* %1
%8 = add nsw i32 %7, -1
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0), i32 %7, i32 %8)
%10 = load i32, i32* %1
%11 = add nsw i32 %10, 1
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %10, i32 %11)
ret i32 0
}