#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*/ free(int *);
int /*<<< orphan*/ func(int *, int);
int *malloc(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int x;
  printf("Digite o numero de elementos que deseja\n");
  scanf("%i", &x);
  int *ptr = malloc(x * sizeof(int));
  func(ptr, x);
  for (int i = 0; i < x; i++) {
    printf("%d\n", ptr[i]);
  }
  free(ptr);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeb5(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1070 <scanf@plt>
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
mov    %eax,%edi
call   1060 <malloc@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
mov    -0x8(%rbp),%esi
call   1050 <func@plt>
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    11d6 <main+0x86>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe6b(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    11a3 <main+0x53>
mov    -0x10(%rbp),%rdi
call   1030 <free@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x10,%rsp
lea    0xe97(%rip),%rdi
call   1040 <puts@plt>
lea    0xe84(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1080 <scanf@plt>
mov    0xc(%rsp),%r14d
lea    0x0(,%r14,4),%edi
call   1070 <malloc@plt>
mov    %rax,%r15
mov    %rax,%rdi
mov    %r14d,%esi
call   1060 <func@plt>
cmpl   $0x0,0xc(%rsp)
jle    11dc <main+0x7c>
lea    0xe4f(%rip),%r14
xor    %ebx,%ebx
cs nopw 0x0(%rax,%rax,1)
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rax
cmp    %rax,%rbx
jl     11c0 <main+0x60>
mov    %r15,%rdi
call   1030 <free@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [41 x i8] c"Digite o numero de elementos que deseja\0A\00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32*
%4 = alloca i32
store i32 0, i32* %1
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 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 = load i32, i32* %2
%8 = sext i32 %7 to i64
%9 = mul i64 %8, 4
%10 = trunc i64 %9 to i32
%11 = call i32* @malloc(i32 %10)
store i32* %11, i32** %3
%12 = load i32*, i32** %3
%13 = load i32, i32* %2
%14 = call i32 @func(i32* %12, i32 %13)
store i32 0, i32* %4
br label %15
15: ; preds = %26, %0
%16 = load i32, i32* %4
%17 = load i32, i32* %2
%18 = icmp slt i32 %16, %17
br i1 %18, label %19, label %29
19: ; preds = %15
%20 = load i32*, i32** %3
%21 = load i32, i32* %4
%22 = sext i32 %21 to i64
%23 = getelementptr inbounds i32, i32* %20, i64 %22
%24 = load i32, i32* %23
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %24)
br label %26
26: ; preds = %19
%27 = load i32, i32* %4
%28 = add nsw i32 %27, 1
store i32 %28, i32* %4
br label %15
29: ; preds = %15
%30 = load i32*, i32** %3
%31 = call i32 @free(i32* %30)
%32 = load i32, i32* %1
ret i32 %32
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@str = [40 x i8] c"Digite o numero de elementos que deseja\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 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 = load i32, i32* %1
%6 = shl i32 %5, 2
%7 = call i32* @malloc(i32 %6)
%8 = call i32 @func(i32* %7, i32 %5)
%9 = load i32, i32* %1
%10 = icmp sgt i32 %9, 0
br i1 %10, label %13, label %11
11: ; preds = %13, %0
%12 = call i32 @free(i32* %7)
ret i32 0
13: ; preds = %0, %13
%14 = phi i64 [ %18, %13 ], [ 0, %0 ]
%15 = getelementptr inbounds i32, i32* %7, i64 %14
%16 = load i32, i32* %15
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %16)
%18 = add nuw nsw i64 %14, 1
%19 = load i32, i32* %1
%20 = sext i32 %19 to i64
%21 = icmp slt i64 %18, %20
br i1 %21, label %13, label %11
}