#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*/ getchar();
int /*<<< orphan*/ isOdd(int, int *);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int num, odd;
  printf("Please insert number: ");
  scanf("%d", &num);
  isOdd(num, &odd);
  if (odd) {
    printf("\n%d is Odd\n", num);
  } else {
    printf("\n%d is Even\n", num);
  }
  printf("\n[Press any key to close]");
  getchar();
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
mov    -0x8(%rbp),%edi
lea    -0xc(%rbp),%rsi
call   1040 <isOdd@plt>
cmpl   $0x0,-0xc(%rbp)
je     1199 <main+0x59>
mov    -0x8(%rbp),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11aa <main+0x6a>
mov    -0x8(%rbp),%esi
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe82(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x0,%al
call   1050 <getchar@plt>
mov    $0x0,%al
call   1050 <getchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xec1(%rip),%rdi
mov    %rsp,%rsi
call   1060 <scanf@plt>
mov    (%rsp),%edi
lea    0x4(%rsp),%rsi
call   1040 <isOdd@plt>
cmpl   $0x0,0x4(%rsp)
mov    (%rsp),%esi
lea    0xeac(%rip),%rax
lea    0xe99(%rip),%rdi
cmove  %rax,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xea0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
call   1050 <getchar@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [23 x i8] c"Please insert number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"\0A%d is Odd\0A\00"
@.str.3 = [13 x i8] c"\0A%d is Even\0A\00"
@.str.4 = [26 x i8] c"\0A[Press any key to close]\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = call i32 @isOdd(i32 %6, i32* %3)
%8 = load i32, i32* %3
%9 = icmp ne i32 %8, 0
br i1 %9, label %10, label %13
10: ; preds = %0
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0), i32 %11)
br label %16
13: ; preds = %0
%14 = load i32, i32* %2
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %14)
br label %16
16: ; preds = %13, %10
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0))
%18 = call i32 (...) @getchar()
%19 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [23 x i8] c"Please insert number: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [12 x i8] c"\0A%d is Odd\0A\00"
@.str.3 = [13 x i8] c"\0A%d is Even\0A\00"
@.str.4 = [26 x i8] c"\0A[Press any key to close]\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 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* %1)
%7 = load i32, i32* %1
%8 = call i32 @isOdd(i32 %7, i32* %2)
%9 = load i32, i32* %2
%10 = icmp eq i32 %9, 0
%11 = load i32, i32* %1
%12 = select i1 %10, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.2, i64 0, i64 0)
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) %12, i32 %11)
%14 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str.4, i64 0, i64 0))
%15 = call i32 (...) @getchar()
%16 = call i32 (...) @getchar()
ret i32 0
}