#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 num1 = 0;
  int num2 = 0;
  int Counter = 0;
  int Product = 0;
  printf("Note: Mutiply two negative numbers may take long time but it works i "
         "dont know why?.\n");
  printf("First Number MULTIPLY: ");
  scanf("%d", &num1);
  printf("Second Number MULTIPLY: ");
  scanf("%d", &num2);
  while (num2 != Counter) {
    Product = Product + num1;
    Counter++;
  }
  printf("%d", Product);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf00(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xef3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee2(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0xc(%rbp),%eax
cmp    -0x10(%rbp),%eax
je     11b8 <main+0x98>
mov    -0x14(%rbp),%eax
add    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1195 <main+0x75>
mov    -0x14(%rbp),%esi
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
movl   $0x0,0xc(%rsp)
movl   $0x0,0x8(%rsp)
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xea8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb2(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xea1(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
mov    0xc(%rsp),%esi
imul   0x8(%rsp),%esi
mov    %rbx,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [86 x i8] c"Note: Mutiply two negative numbers may take long time but it works i dont know why?.\0A\00"
@.str.1 = [24 x i8] c"First Number MULTIPLY: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [25 x i8] c"Second Number MULTIPLY: \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %3
store i32 0, i32* %4
store i32 0, i32* %5
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([86 x i8], [86 x i8]* @.str, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
br label %11
11: ; preds = %15, %0
%12 = load i32, i32* %3
%13 = load i32, i32* %4
%14 = icmp ne i32 %12, %13
br i1 %14, label %15, label %21
15: ; preds = %11
%16 = load i32, i32* %5
%17 = load i32, i32* %2
%18 = add nsw i32 %16, %17
store i32 %18, i32* %5
%19 = load i32, i32* %4
%20 = add nsw i32 %19, 1
store i32 %20, i32* %4
br label %11
21: ; preds = %11
%22 = load i32, i32* %5
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %22)
%24 = load i32, i32* %1
ret i32 %24
}

LLVM IR (-O2):
@.str.1 = [24 x i8] c"First Number MULTIPLY: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [25 x i8] c"Second Number MULTIPLY: \00"
@str = [85 x i8] c"Note: Mutiply two negative numbers may take long time but it works i dont know why?.\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 ([85 x i8], [85 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%10 = load i32, i32* %2
%11 = load i32, i32* %1
%12 = freeze i32 %11
%13 = mul i32 %12, %10
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %13)
ret i32 0
}