#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);
int main(void) {
  int data1 = 10, data2 = 20, data3;
  data3 = data1 + data2;
  printf("after addition: %d\n", data3);
  data3 = data1 * data2;
  printf("after multiplication: %d\n", data3);
  data3 = data2 / data1;
  printf("after division: %d\n", data3);
  data3 = data2 - data1;
  printf("after subtraction: %d\n", data3);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x8(%rbp)
movl   $0x14,-0xc(%rbp)
mov    -0x8(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xec0(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
imul   -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xebb(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
cltd
idivl  -0x8(%rbp)
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xebc(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
sub    -0x8(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xeb8(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
mov    $0x1e,%esi
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
mov    $0xc8,%esi
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
lea    0xef7(%rip),%rdi
mov    $0xa,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [20 x i8] c"after addition: %d\0A\00"
@.str.1 = [26 x i8] c"after multiplication: %d\0A\00"
@.str.2 = [20 x i8] c"after division: %d\0A\00"
@.str.3 = [23 x i8] c"after subtraction: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 10, i32* %2
store i32 20, i32* %3
%5 = load i32, i32* %2
%6 = load i32, i32* %3
%7 = add nsw i32 %5, %6
store i32 %7, i32* %4
%8 = load i32, i32* %4
%9 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 %8)
%10 = load i32, i32* %2
%11 = load i32, i32* %3
%12 = mul nsw i32 %10, %11
store i32 %12, i32* %4
%13 = load i32, i32* %4
%14 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = load i32, i32* %3
%16 = load i32, i32* %2
%17 = sdiv i32 %15, %16
store i32 %17, i32* %4
%18 = load i32, i32* %4
%19 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 %18)
%20 = load i32, i32* %3
%21 = load i32, i32* %2
%22 = sub nsw i32 %20, %21
store i32 %22, i32* %4
%23 = load i32, i32* %4
%24 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), i32 %23)
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"after addition: %d\0A\00"
@.str.1 = [26 x i8] c"after multiplication: %d\0A\00"
@.str.2 = [20 x i8] c"after division: %d\0A\00"
@.str.3 = [23 x i8] c"after subtraction: %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i32 30)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.1, i64 0, i64 0), i32 200)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0), i32 10)
ret i32 0
}