#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(void) {
  int option;
  printf("\n\n");
  printf("\t*************************************************\n");
  printf("\t* Welcome to Prime Numbers Generator and Tester *\n");
  printf("\t*************************************************\n");
  printf("1. Generate\n2. Test\n0. Exit\n");
  printf("Enter your Selection : ");
  scanf("%d", &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    0xec8(%rip),%rdi
call   1030 <printf@plt>
lea    0xef0(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb0(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0c(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf29(%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   %rbx
sub    $0x10,%rsp
lea    0xedf(%rip),%rdi
call   1030 <puts@plt>
lea    0xf08(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xec6(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xf18(%rip),%rdi
call   1030 <puts@plt>
lea    0xe89(%rip),%rdi
call   1040 <printf@plt>
lea    0xe95(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"\0A\0A\00"
@.str.1 = [52 x i8] c"\09*************************************************\0A\00"
@.str.2 = [52 x i8] c"\09* Welcome to Prime Numbers Generator and Tester *\0A\00"
@.str.3 = [29 x i8] c"1. Generate\0A2. Test\0A0. Exit\0A\00"
@.str.4 = [24 x i8] c"Enter your Selection : \00"
@.str.5 = [3 x i8] c"%d\00"
define i32 @menu() {
%1 = alloca i32
%2 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0), i32* %1)
%9 = load i32, i32* %1
ret i32 %9
}

LLVM IR (-O2):
@.str.4 = [24 x i8] c"Enter your Selection : \00"
@.str.5 = [3 x i8] c"%d\00"
@str = [2 x i8] c"\0A\00"
@str.7 = [51 x i8] c"\09* Welcome to Prime Numbers Generator and Tester *\00"
@str.8 = [51 x i8] c"\09*************************************************\00"
@str.9 = [28 x i8] c"1. Generate\0A2. Test\0A0. Exit\00"
define i32 @menu() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @str.7, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([51 x i8], [51 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.9, i64 0, i64 0))
%8 = tail call i32 @printf(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0), i32* %1)
%10 = load i32, i32* %1
ret i32 %10
}