#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 */
long long eleva(int, int);
int /*<<< orphan*/ printf(char *, ...);
scalar_t__ stringEntero(char *);
int main(int argc, char *argv[]) {
  long long resultado;
  if (argc != 2) {
    printf("El número de argumentos pasados es incorrecto.\n");
  } else {
    long long n;
    n = (long long)stringEntero(argv[1]);
    resultado = eleva(2, (int)n);
    printf("%llu\n", resultado);
  }
}


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)
cmpl   $0x2,-0x8(%rbp)
je     1163 <main+0x33>
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    119a <main+0x6a>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <stringEntero@plt>
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
mov    %eax,%esi
mov    $0x2,%edi
call   1040 <eleva@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xe9e(%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   %rax
cmp    $0x2,%edi
jne    116e <main+0x2e>
mov    0x8(%rsi),%rdi
call   1060 <stringEntero@plt>
mov    $0x2,%edi
mov    %eax,%esi
call   1050 <eleva@plt>
lea    0xe9e(%rip),%rdi
mov    %rax,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
jmp    117a <main+0x3a>
lea    0xe91(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [49 x i8] c"El n\C3\BAmero de argumentos pasados es incorrecto.\0A\00"
@.str.1 = [6 x i8] c"%llu\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i64
%7 = alloca i64
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 2
br i1 %9, label %10, label %12
10: ; preds = %2
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str, i64 0, i64 0))
br label %22
12: ; preds = %2
%13 = load i8**, i8*** %5
%14 = getelementptr inbounds i8*, i8** %13, i64 1
%15 = load i8*, i8** %14
%16 = call i64 @stringEntero(i8* %15)
store i64 %16, i64* %7
%17 = load i64, i64* %7
%18 = trunc i64 %17 to i32
%19 = call i64 @eleva(i32 2, i32 %18)
store i64 %19, i64* %6
%20 = load i64, i64* %6
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i64 %20)
br label %22
22: ; preds = %12, %10
%23 = load i32, i32* %3
ret i32 %23
}

LLVM IR (-O2):
@.str.1 = [6 x i8] c"%llu\0A\00"
@str = [48 x i8] c"El n\C3\BAmero de argumentos pasados es incorrecto.\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %6, label %4
4: ; preds = %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str, i64 0, i64 0))
br label %13
6: ; preds = %2
%7 = getelementptr inbounds i8*, i8** %1, i64 1
%8 = load i8*, i8** %7
%9 = tail call i64 @stringEntero(i8* %8)
%10 = trunc i64 %9 to i32
%11 = tail call i64 @eleva(i32 2, i32 %10)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0), i64 %11)
br label %13
13: ; preds = %6, %4
ret i32 0
}