#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(void) {
  int a;
  int b;
  int add_result;
  int sub_result;
  int mul_result;
  int div_result;
  int mod_result;
  printf("a: ");
  scanf("%d", &a);
  printf("b: ");
  scanf("%d", &b);
  add_result = a + b;
  sub_result = a - b;
  mul_result = a * b;
  div_result = a / b;
  mod_result = a % b;
  printf("a + b = %d + %d = %d\n", a, b, add_result);
  printf("a - b = %d - %d = %d\n", a, b, sub_result);
  printf("a * b = %d * %d = %d\n", a, b, mul_result);
  printf("a / b = %d / %d = %d\n", a, b, div_result);
  printf("a %% b = %d %% %d = %d\n", a, b, mod_result);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeb3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea2(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
sub    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%eax
imul   -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x8(%rbp),%eax
cltd
idivl  -0xc(%rbp)
mov    %eax,-0x1c(%rbp)
mov    -0x8(%rbp),%eax
cltd
idivl  -0xc(%rbp)
mov    %edx,-0x20(%rbp)
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
lea    0xe60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x14(%rbp),%ecx
lea    0xe5f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x18(%rbp),%ecx
lea    0xe5e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x1c(%rbp),%ecx
lea    0xe5d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x20(%rbp),%ecx
lea    0xe5c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x10,%rsp
lea    0xecd(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec3(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
lea    0xeb2(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%ebx
mov    %esi,%eax
cltd
idiv   %ebx
mov    %eax,%r15d
mov    %edx,%r14d
lea    (%rbx,%rsi,1),%ecx
mov    %esi,%ebp
sub    %ebx,%ebp
mov    %ebx,%r12d
imul   %esi,%r12d
lea    0xe7a(%rip),%rdi
mov    %ebx,%edx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
lea    0xe78(%rip),%rdi
mov    %ebp,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
lea    0xe76(%rip),%rdi
mov    %r12d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
lea    0xe73(%rip),%rdi
mov    %r15d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
lea    0xe70(%rip),%rdi
mov    %r14d,%ecx
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [4 x i8] c"a: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c"b: \00"
@.str.3 = [22 x i8] c"a + b = %d + %d = %d\0A\00"
@.str.4 = [22 x i8] c"a - b = %d - %d = %d\0A\00"
@.str.5 = [22 x i8] c"a * b = %d * %d = %d\0A\00"
@.str.6 = [22 x i8] c"a / b = %d / %d = %d\0A\00"
@.str.7 = [24 x i8] c"a %% b = %d %% %d = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32 0, i32* %1
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = add nsw i32 %13, %14
store i32 %15, i32* %4
%16 = load i32, i32* %2
%17 = load i32, i32* %3
%18 = sub nsw i32 %16, %17
store i32 %18, i32* %5
%19 = load i32, i32* %2
%20 = load i32, i32* %3
%21 = mul nsw i32 %19, %20
store i32 %21, i32* %6
%22 = load i32, i32* %2
%23 = load i32, i32* %3
%24 = sdiv i32 %22, %23
store i32 %24, i32* %7
%25 = load i32, i32* %2
%26 = load i32, i32* %3
%27 = srem i32 %25, %26
store i32 %27, i32* %8
%28 = load i32, i32* %2
%29 = load i32, i32* %3
%30 = load i32, i32* %4
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 %28, i32 %29, i32 %30)
%32 = load i32, i32* %2
%33 = load i32, i32* %3
%34 = load i32, i32* %5
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.4, i64 0, i64 0), i32 %32, i32 %33, i32 %34)
%36 = load i32, i32* %2
%37 = load i32, i32* %3
%38 = load i32, i32* %6
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0), i32 %36, i32 %37, i32 %38)
%40 = load i32, i32* %2
%41 = load i32, i32* %3
%42 = load i32, i32* %7
%43 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0), i32 %40, i32 %41, i32 %42)
%44 = load i32, i32* %2
%45 = load i32, i32* %3
%46 = load i32, i32* %8
%47 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.7, i64 0, i64 0), i32 %44, i32 %45, i32 %46)
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"a: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [4 x i8] c"b: \00"
@.str.3 = [22 x i8] c"a + b = %d + %d = %d\0A\00"
@.str.4 = [22 x i8] c"a - b = %d - %d = %d\0A\00"
@.str.5 = [22 x i8] c"a * b = %d * %d = %d\0A\00"
@.str.6 = [22 x i8] c"a / b = %d / %d = %d\0A\00"
@.str.7 = [24 x i8] c"a %% b = %d %% %d = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 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 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%9 = load i32, i32* %1
%10 = load i32, i32* %2
%11 = add nsw i32 %10, %9
%12 = sub nsw i32 %9, %10
%13 = mul nsw i32 %10, %9
%14 = sdiv i32 %9, %10
%15 = srem i32 %9, %10
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %10, i32 %11)
%17 = load i32, i32* %1
%18 = load i32, i32* %2
%19 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.4, i64 0, i64 0), i32 %17, i32 %18, i32 %12)
%20 = load i32, i32* %1
%21 = load i32, i32* %2
%22 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0), i32 %20, i32 %21, i32 %13)
%23 = load i32, i32* %1
%24 = load i32, i32* %2
%25 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.6, i64 0, i64 0), i32 %23, i32 %24, i32 %14)
%26 = load i32, i32* %1
%27 = load i32, i32* %2
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.7, i64 0, i64 0), i32 %26, i32 %27, i32 %15)
ret i32 0
}