#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 n, i, j;
  i = 1;
  j = 1;
  printf("\nDigite o comprimento do lado do quadrado: ");
  scanf("%d", &n);
  printf("\n\n");
  j = 1;
  while (j <= n) {
    i = 1;
    while (i <= n) {
      printf("* ");
      i++;
    }
    printf("\n");
    j++;
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x1,-0xc(%rbp)
movl   $0x1,-0x10(%rbp)
lea    0xebc(%rip),%rdi
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xecf(%rip),%rdi
call   1030 <printf@plt>
movl   $0x1,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0x8(%rbp),%eax
jg     11bf <main+0x9f>
movl   $0x1,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jg     11a5 <main+0x85>
lea    0xea0(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    117f <main+0x5f>
lea    0xe84(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    116c <main+0x4c>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xeb1(%rip),%rdi
call   1050 <printf@plt>
lea    0xed1(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1060 <scanf@plt>
lea    0xec6(%rip),%rdi
call   1040 <puts@plt>
mov    0xc(%rsp),%eax
test   %eax,%eax
jle    11c3 <main+0x83>
mov    $0x1,%r14d
lea    0xea9(%rip),%rbx
jmp    11aa <main+0x6a>
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0x1(%r14),%ecx
mov    0xc(%rsp),%eax
cmp    %eax,%r14d
mov    %ecx,%r14d
jge    11c3 <main+0x83>
test   %eax,%eax
jle    1190 <main+0x50>
xor    %ebp,%ebp
mov    %rbx,%rdi
call   1050 <printf@plt>
add    $0x1,%ebp
cmp    0xc(%rsp),%ebp
jl     11b0 <main+0x70>
jmp    1190 <main+0x50>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [44 x i8] c"\0ADigite o comprimento do lado do quadrado: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [3 x i8] c"\0A\0A\00"
@.str.3 = [3 x i8] c"* \00"
@.str.4 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 1, i32* %3
store i32 1, i32* %4
%5 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 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* %2)
%7 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
store i32 1, i32* %4
br label %8
8: ; preds = %21, %0
%9 = load i32, i32* %4
%10 = load i32, i32* %2
%11 = icmp sle i32 %9, %10
br i1 %11, label %12, label %25
12: ; preds = %8
store i32 1, i32* %3
br label %13
13: ; preds = %17, %12
%14 = load i32, i32* %3
%15 = load i32, i32* %2
%16 = icmp sle i32 %14, %15
br i1 %16, label %17, label %21
17: ; preds = %13
%18 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
br label %13
21: ; preds = %13
%22 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%23 = load i32, i32* %4
%24 = add nsw i32 %23, 1
store i32 %24, i32* %4
br label %8
25: ; preds = %8
%26 = load i32, i32* %1
ret i32 %26
}

LLVM IR (-O2):
@.str = [44 x i8] c"\0ADigite o comprimento do lado do quadrado: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.3 = [3 x i8] c"* \00"
@str = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
%6 = load i32, i32* %1
%7 = icmp slt i32 %6, 1
br i1 %7, label %23, label %8
8: ; preds = %0, %18
%9 = phi i32 [ %21, %18 ], [ %6, %0 ]
%10 = phi i32 [ %20, %18 ], [ 1, %0 ]
%11 = icmp slt i32 %9, 1
br i1 %11, label %18, label %12
12: ; preds = %8, %12
%13 = phi i32 [ %15, %12 ], [ 1, %8 ]
%14 = call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%15 = add nuw nsw i32 %13, 1
%16 = load i32, i32* %1
%17 = icmp slt i32 %13, %16
br i1 %17, label %12, label %18
18: ; preds = %12, %8
%19 = call i32 @putchar(i32 10)
%20 = add nuw nsw i32 %10, 1
%21 = load i32, i32* %1
%22 = icmp slt i32 %10, %21
br i1 %22, label %8, label %23
23: ; preds = %18, %0
ret i32 0
}