#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 x;
  printf("Enter your variable: ");
  scanf("%d", &x);
  printf("%d + 2 = %d\n", x, x + 2);
  printf("%d - 2 = %d\n", x, x - 2);
  printf("%d * 2 = %d\n", x, x * 2);
  printf("%d / 2 = %d\n", x, x / 2);
  printf("%d %% 2 = %d\n", x, x % 2);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
add    $0x2,%edx
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
sub    $0x2,%edx
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%edx
shl    $0x1,%edx
lea    0xea8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
mov    %eax,%edx
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0x8(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
lea    0xe88(%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    0xed8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%esi
lea    0x2(%rsi),%edx
lea    0xecb(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
lea    -0x2(%rsi),%edx
lea    0xec3(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
lea    (%rsi,%rsi,1),%edx
lea    0xebb(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
mov    %esi,%edx
shr    $0x1f,%edx
add    %esi,%edx
sar    %edx
lea    0xead(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%rsp),%esi
mov    %esi,%eax
shr    $0x1f,%eax
add    %esi,%eax
and    $0xfffffffe,%eax
mov    %esi,%edx
sub    %eax,%edx
lea    0xe9a(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [22 x i8] c"Enter your variable: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [13 x i8] c"%d + 2 = %d\0A\00"
@.str.3 = [13 x i8] c"%d - 2 = %d\0A\00"
@.str.4 = [13 x i8] c"%d * 2 = %d\0A\00"
@.str.5 = [13 x i8] c"%d / 2 = %d\0A\00"
@.str.6 = [14 x i8] c"%d %% 2 = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 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* %2)
%5 = load i32, i32* %2
%6 = load i32, i32* %2
%7 = add nsw i32 %6, 2
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 %5, i32 %7)
%9 = load i32, i32* %2
%10 = load i32, i32* %2
%11 = sub nsw i32 %10, 2
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %11)
%13 = load i32, i32* %2
%14 = load i32, i32* %2
%15 = mul nsw i32 %14, 2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0), i32 %13, i32 %15)
%17 = load i32, i32* %2
%18 = load i32, i32* %2
%19 = sdiv i32 %18, 2
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i32 %17, i32 %19)
%21 = load i32, i32* %2
%22 = load i32, i32* %2
%23 = srem i32 %22, 2
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0), i32 %21, i32 %23)
ret i32 0
}

LLVM IR (-O2):
@.str = [22 x i8] c"Enter your variable: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [13 x i8] c"%d + 2 = %d\0A\00"
@.str.3 = [13 x i8] c"%d - 2 = %d\0A\00"
@.str.4 = [13 x i8] c"%d * 2 = %d\0A\00"
@.str.5 = [13 x i8] c"%d / 2 = %d\0A\00"
@.str.6 = [14 x i8] c"%d %% 2 = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 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 = load i32, i32* %1
%6 = add nsw i32 %5, 2
%7 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 %5, i32 %6)
%8 = load i32, i32* %1
%9 = add nsw i32 %8, -2
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %8, i32 %9)
%11 = load i32, i32* %1
%12 = shl nsw i32 %11, 1
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.4, i64 0, i64 0), i32 %11, i32 %12)
%14 = load i32, i32* %1
%15 = sdiv i32 %14, 2
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5, i64 0, i64 0), i32 %14, i32 %15)
%17 = load i32, i32* %1
%18 = srem i32 %17, 2
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.6, i64 0, i64 0), i32 %17, i32 %18)
ret i32 0
}