#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 addition(int, int);
int division(int, int);
int /*<<< orphan*/ getchar();
int multiplication(int, int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int subtraction(int, int);
int main(void) {
  int a = 0, b = 0;
  ;
  printf("Input 2 numbers : \n");
  scanf("%d", &a);
  getchar();
  scanf("%d", &b);
  getchar();
  printf("add(%d, %d) = %d\n", a, b, addition(a, b));
  printf("sub(%d, %d) = %d\n", a, b, subtraction(a, b));
  printf("mul(%d, %d) = %d\n", a, b, multiplication(a, b));
  printf("div(%d, %d) = %d\n", a, b, division(a, b));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xe6c(%rip),%rdi
mov    $0x0,%al
call   1050 <printf@plt>
lea    0xe72(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1090 <scanf@plt>
mov    $0x0,%al
call   1070 <getchar@plt>
lea    0xe5b(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1090 <scanf@plt>
mov    $0x0,%al
call   1070 <getchar@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x2c(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x28(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1030 <addition@plt>
mov    -0x2c(%rbp),%esi
mov    -0x28(%rbp),%edx
mov    %eax,%ecx
lea    0xe28(%rip),%rdi
mov    $0x0,%al
call   1050 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x24(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x20(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1080 <subtraction@plt>
mov    -0x24(%rbp),%esi
mov    -0x20(%rbp),%edx
mov    %eax,%ecx
lea    0xe0d(%rip),%rdi
mov    $0x0,%al
call   1050 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x1c(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1040 <multiplication@plt>
mov    -0x1c(%rbp),%esi
mov    -0x18(%rbp),%edx
mov    %eax,%ecx
lea    0xdf2(%rip),%rdi
mov    $0x0,%al
call   1050 <printf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1060 <division@plt>
mov    -0x14(%rbp),%esi
mov    -0x10(%rbp),%edx
mov    %eax,%ecx
lea    0xdd7(%rip),%rdi
mov    $0x0,%al
call   1050 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
movl   $0x0,0x4(%rsp)
movl   $0x0,(%rsp)
lea    0xeb2(%rip),%rdi
call   1040 <puts@plt>
lea    0xe5b(%rip),%rbx
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   10a0 <scanf@plt>
xor    %eax,%eax
call   1080 <getchar@plt>
mov    %rsp,%rsi
mov    %rbx,%rdi
call   10a0 <scanf@plt>
xor    %eax,%eax
call   1080 <getchar@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1030 <addition@plt>
lea    0xe21(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1060 <printf@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1090 <subtraction@plt>
lea    0xe0f(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1060 <printf@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1050 <multiplication@plt>
lea    0xdfd(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1060 <printf@plt>
mov    0x4(%rsp),%ebx
mov    (%rsp),%ebp
mov    %ebx,%edi
mov    %ebp,%esi
call   1070 <division@plt>
lea    0xdeb(%rip),%rdi
mov    %ebx,%esi
mov    %ebp,%edx
mov    %eax,%ecx
xor    %eax,%eax
call   1060 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Input 2 numbers : \0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [18 x i8] c"add(%d, %d) = %d\0A\00"
@.str.3 = [18 x i8] c"sub(%d, %d) = %d\0A\00"
@.str.4 = [18 x i8] c"mul(%d, %d) = %d\0A\00"
@.str.5 = [18 x i8] c"div(%d, %d) = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = call i32 (...) @getchar()
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%8 = call i32 (...) @getchar()
%9 = load i32, i32* %2
%10 = load i32, i32* %3
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = call i32 @addition(i32 %11, i32 %12)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %9, i32 %10, i32 %13)
%15 = load i32, i32* %2
%16 = load i32, i32* %3
%17 = load i32, i32* %2
%18 = load i32, i32* %3
%19 = call i32 @subtraction(i32 %17, i32 %18)
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i32 %15, i32 %16, i32 %19)
%21 = load i32, i32* %2
%22 = load i32, i32* %3
%23 = load i32, i32* %2
%24 = load i32, i32* %3
%25 = call i32 @multiplication(i32 %23, i32 %24)
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i32 %21, i32 %22, i32 %25)
%27 = load i32, i32* %2
%28 = load i32, i32* %3
%29 = load i32, i32* %2
%30 = load i32, i32* %3
%31 = call i32 @division(i32 %29, i32 %30)
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.5, i64 0, i64 0), i32 %27, i32 %28, i32 %31)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [18 x i8] c"add(%d, %d) = %d\0A\00"
@.str.3 = [18 x i8] c"sub(%d, %d) = %d\0A\00"
@.str.4 = [18 x i8] c"mul(%d, %d) = %d\0A\00"
@.str.5 = [18 x i8] c"div(%d, %d) = %d\0A\00"
@str = [19 x i8] c"Input 2 numbers : \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
store i32 0, i32* %1
%4 = bitcast i32* %2 to i8*
store i32 0, i32* %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 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 (...) @getchar()
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = call i32 (...) @getchar()
%10 = load i32, i32* %1
%11 = load i32, i32* %2
%12 = call i32 @addition(i32 %10, i32 %11)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i32 %10, i32 %11, i32 %12)
%14 = load i32, i32* %1
%15 = load i32, i32* %2
%16 = call i32 @subtraction(i32 %14, i32 %15)
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0), i32 %14, i32 %15, i32 %16)
%18 = load i32, i32* %1
%19 = load i32, i32* %2
%20 = call i32 @multiplication(i32 %18, i32 %19)
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.4, i64 0, i64 0), i32 %18, i32 %19, i32 %20)
%22 = load i32, i32* %1
%23 = load i32, i32* %2
%24 = call i32 @division(i32 %22, i32 %23)
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.5, i64 0, i64 0), i32 %22, i32 %23, i32 %24)
ret i32 0
}