#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 EXIT_SUCCESS;
int /*<<< orphan*/ enum_pot2(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main(int argc, char **argv) {
  int k = 0;
  printf("Digite o k: ");
  scanf("%d", &k);
  printf("Potências de 2 até 2 ^ %d:\n", k);
  enum_pot2(k);
  printf("\n");
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
lea    0xeac(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeab(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x14(%rbp),%esi
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%edi
call   1050 <enum_pot2@plt>
lea    0xea1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e47(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
movl   $0x0,0x4(%rsp)
lea    0xeb0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeaf(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%esi
lea    0xe9d(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x4(%rsp),%edi
call   1060 <enum_pot2@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x2e4c(%rip),%rax
mov    (%rax),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [13 x i8] c"Digite o k: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [30 x i8] c"Pot\C3\AAncias de 2 at\C3\A9 2 ^ %d:\0A\00"
@.str.3 = [2 x i8] c"\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %6
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 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* %6)
%9 = load i32, i32* %6
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.2, i64 0, i64 0), i32 %9)
%11 = load i32, i32* %6
%12 = call i32 @enum_pot2(i32 %11)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%14 = load i32, i32* @EXIT_SUCCESS
ret i32 %14
}

LLVM IR (-O2):
@.str = [13 x i8] c"Digite o k: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [30 x i8] c"Pot\C3\AAncias de 2 at\C3\A9 2 ^ %d:\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = bitcast i32* %3 to i8*
store i32 0, i32* %3
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 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* %3)
%7 = load i32, i32* %3
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @.str.2, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %3
%10 = call i32 @enum_pot2(i32 %9)
%11 = call i32 @putchar(i32 10)
%12 = load i32, i32* @EXIT_SUCCESS
ret i32 %12
}