#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 option;
  printf("Select the operation to performe\n");
  printf("1 - Display data from file\n");
  printf("2 - Display data by criteria (ex:Domain)\n");
  printf("3 - Display data from specific register\n");
  printf("4 - Display data from specific register and specific field\n");
  printf("5 - Exit\n");
  scanf("%d%*c", &option);
  return option;
}


x86 assembly (clang, -O0):
<menu>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
call   1030 <printf@plt>
lea    0xef7(%rip),%rdi
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
lea    0xf32(%rip),%rdi
call   1030 <printf@plt>
lea    0xf62(%rip),%rdi
call   1030 <printf@plt>
lea    0xf60(%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
lea    0xede(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf02(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3b(%rip),%rdi
call   1030 <puts@plt>
lea    0xf6a(%rip),%rdi
call   1030 <puts@plt>
lea    0xe90(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [34 x i8] c"Select the operation to performe\0A\00"
@.str.1 = [28 x i8] c"1 - Display data from file\0A\00"
@.str.2 = [42 x i8] c"2 - Display data by criteria (ex:Domain)\0A\00"
@.str.3 = [41 x i8] c"3 - Display data from specific register\0A\00"
@.str.4 = [60 x i8] c"4 - Display data from specific register and specific field\0A\00"
@.str.5 = [10 x i8] c"5 - Exit\0A\00"
@.str.6 = [6 x i8] c"%d%*c\00"
define i32 @menu() {
%1 = alloca i32
%2 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i32* %1)
%9 = load i32, i32* %1
ret i32 %9
}

LLVM IR (-O2):
@.str.6 = [6 x i8] c"%d%*c\00"
@str = [33 x i8] c"Select the operation to performe\00"
@str.7 = [27 x i8] c"1 - Display data from file\00"
@str.8 = [41 x i8] c"2 - Display data by criteria (ex:Domain)\00"
@str.9 = [40 x i8] c"3 - Display data from specific register\00"
@str.10 = [59 x i8] c"4 - Display data from specific register and specific field\00"
@str.11 = [9 x i8] c"5 - Exit\00"
define i32 @menu() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.7, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.8, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.10, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.11, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.6, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
ret i32 %10
}