#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 /*<<< orphan*/ system(char *);
int main() {
  int i, N, S = 0, cubo = 0;
  do {
    printf("\n Inserisci un numero positivo N: ");
    scanf("%d", &N);
  } while (N <= 0);
  for (i = 0; i < N; i++) {
    S = S + N;
  }
  i = 0;
  while (i < N) {
    cubo = cubo + S;
    i++;
  }
  printf("Il cubo del numero inserito e': %d \n", cubo);
  system("pause");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xec1(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1050 <scanf@plt>
cmpl   $0x0,-0xc(%rbp)
jle    114d <main+0x1d>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    119f <main+0x6f>
mov    -0x10(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    117c <main+0x4c>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11c9 <main+0x99>
mov    -0x14(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    11a6 <main+0x76>
mov    -0x14(%rbp),%esi
lea    0xe53(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe6a(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xec0(%rip),%r14
lea    0xedc(%rip),%r15
lea    0xc(%rsp),%rbx
nopl   0x0(%rax)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r15,%rdi
mov    %rbx,%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
test   %eax,%eax
jle    1150 <main+0x20>
mov    %eax,%esi
imul   %eax,%esi
imul   %eax,%esi
lea    0xeaa(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec1(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [35 x i8] c"\0A Inserisci un numero positivo N: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [37 x i8] c"Il cubo del numero inserito e': %d \0A\00"
@.str.3 = [6 x i8] c"pause\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* %4
store i32 0, i32* %5
br label %6
6: ; preds = %9, %0
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
br label %9
9: ; preds = %6
%10 = load i32, i32* %3
%11 = icmp sle i32 %10, 0
br i1 %11, label %6, label %12
12: ; preds = %9
store i32 0, i32* %2
br label %13
13: ; preds = %21, %12
%14 = load i32, i32* %2
%15 = load i32, i32* %3
%16 = icmp slt i32 %14, %15
br i1 %16, label %17, label %24
17: ; preds = %13
%18 = load i32, i32* %4
%19 = load i32, i32* %3
%20 = add nsw i32 %18, %19
store i32 %20, i32* %4
br label %21
21: ; preds = %17
%22 = load i32, i32* %2
%23 = add nsw i32 %22, 1
store i32 %23, i32* %2
br label %13
24: ; preds = %13
store i32 0, i32* %2
br label %25
25: ; preds = %29, %24
%26 = load i32, i32* %2
%27 = load i32, i32* %3
%28 = icmp slt i32 %26, %27
br i1 %28, label %29, label %35
29: ; preds = %25
%30 = load i32, i32* %5
%31 = load i32, i32* %4
%32 = add nsw i32 %30, %31
store i32 %32, i32* %5
%33 = load i32, i32* %2
%34 = add nsw i32 %33, 1
store i32 %34, i32* %2
br label %25
35: ; preds = %25
%36 = load i32, i32* %5
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32 %36)
%38 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [35 x i8] c"\0A Inserisci un numero positivo N: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [37 x i8] c"Il cubo del numero inserito e': %d \0A\00"
@.str.3 = [6 x i8] c"pause\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
br label %3
3: ; preds = %3, %0
%4 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 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* %1)
%6 = load i32, i32* %1
%7 = icmp slt i32 %6, 1
br i1 %7, label %3, label %8
8: ; preds = %3
%9 = mul i32 %6, %6
%10 = mul i32 %9, %6
%11 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0), i32 %10)
%12 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
ret i32 0
}