#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 menu() {
  int res = -1;
  printf("--- Menu principal --- \n");
  printf("[1] Saludo \n");
  printf("[2] Generar Serie de impares \n");
  printf("[3] Generar Serie de pares \n");
  printf("[4] Volumen de un cilindro \n");
  printf("[5] Vocal Si o No? \n");
  printf("[0] Salir \n");
  scanf("%d", &res);
  return res;
}


x86 assembly (clang, -O0):
<menu>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0xffffffff,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1030 <printf@plt>
lea    0xed7(%rip),%rdi
call   1030 <printf@plt>
lea    0xed8(%rip),%rdi
call   1030 <printf@plt>
lea    0xeeb(%rip),%rdi
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf16(%rip),%rdi
call   1030 <printf@plt>
lea    0xf16(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<menu>:
push   %rax
movl   $0xffffffff,0x4(%rsp)
ff
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xef1(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
lea    0xf19(%rip),%rdi
call   1030 <puts@plt>
lea    0xe7c(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [25 x i8] c"--- Menu principal --- \0A\00"
@.str.1 = [13 x i8] c"[1] Saludo \0A\00"
@.str.2 = [31 x i8] c"[2] Generar Serie de impares \0A\00"
@.str.3 = [29 x i8] c"[3] Generar Serie de pares \0A\00"
@.str.4 = [29 x i8] c"[4] Volumen de un cilindro \0A\00"
@.str.5 = [21 x i8] c"[5] Vocal Si o No? \0A\00"
@.str.6 = [12 x i8] c"[0] Salir \0A\00"
@.str.7 = [3 x i8] c"%d\00"
define i32 @menu() {
%1 = alloca i32
store i32 -1, i32* %1
%2 = call i32 @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
ret i32 %10
}

LLVM IR (-O2):
@.str.7 = [3 x i8] c"%d\00"
@str = [24 x i8] c"--- Menu principal --- \00"
@str.8 = [12 x i8] c"[1] Saludo \00"
@str.9 = [30 x i8] c"[2] Generar Serie de impares \00"
@str.10 = [28 x i8] c"[3] Generar Serie de pares \00"
@str.11 = [28 x i8] c"[4] Volumen de un cilindro \00"
@str.12 = [20 x i8] c"[5] Vocal Si o No? \00"
@str.13 = [11 x i8] c"[0] Salir \00"
define i32 @menu() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
store i32 -1, i32* %1
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.12, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.13, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.7, i64 0, i64 0), i32* %1)
%11 = load i32, i32* %1
ret i32 %11
}