#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() {
  printf("Multiply 2 Numbers \n");
  printf("\n");
  int num1, num2;
  printf("Num1 = ");
  scanf("%d", &num1);
  printf("Num2 = ");
  scanf("%d", &num2);
  printf("\n");
  printf("%d * %d = %d \n", num1, num2, num1 * num2);
  printf("\n");
  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    0xef1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebd(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe9f(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x8(%rbp),%ecx
imul   -0xc(%rbp),%ecx
lea    0xe7f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe7e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed6(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe9e(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xe98(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
lea    0xe87(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1060 <scanf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0xc(%rsp),%esi
mov    0x8(%rsp),%edx
mov    %edx,%ecx
imul   %esi,%ecx
lea    0xe5d(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [21 x i8] c"Multiply 2 Numbers \0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [8 x i8] c"Num1 = \00"
@.str.3 = [3 x i8] c"%d\00"
@.str.4 = [8 x i8] c"Num2 = \00"
@.str.5 = [15 x i8] c"%d * %d = %d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %2)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %3)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = mul nsw i32 %13, %14
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), i32 %11, i32 %12, i32 %15)
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [8 x i8] c"Num1 = \00"
@.str.3 = [3 x i8] c"%d\00"
@.str.4 = [8 x i8] c"Num2 = \00"
@.str.5 = [15 x i8] c"%d * %d = %d \0A\00"
@str = [20 x i8] c"Multiply 2 Numbers \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @putchar(i32 10)
%5 = bitcast i32* %1 to i8*
%6 = bitcast i32* %2 to i8*
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %1)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([8 x i8], [8 x i8]* @.str.4, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i32* %2)
%11 = call i32 @putchar(i32 10)
%12 = load i32, i32* %1
%13 = load i32, i32* %2
%14 = mul nsw i32 %13, %12
%15 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.5, i64 0, i64 0), i32 %12, i32 %13, i32 %14)
%16 = call i32 @putchar(i32 10)
ret i32 0
}