#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 FibonacciNumber(int);
int /*<<< orphan*/ FibonacciSeries(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int num;
  scanf("%d", &num);
  printf("The fibonacci number at position %d is %d ", num,
         FibonacciNumber(num));
  printf("\nFibonacci series:\n");
  FibonacciSeries(num);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%edi
call   1060 <FibonacciNumber@plt>
mov    -0xc(%rbp),%esi
mov    %eax,%edx
lea    0xe8a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%edi
call   1050 <FibonacciSeries@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xea4(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1050 <scanf@plt>
mov    0xc(%rsp),%ebx
mov    %ebx,%edi
call   1070 <FibonacciNumber@plt>
lea    0xe8b(%rip),%rdi
mov    %ebx,%esi
mov    %eax,%edx
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xea4(%rip),%rdi
call   1030 <puts@plt>
mov    0xc(%rsp),%edi
call   1060 <FibonacciSeries@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [43 x i8] c"The fibonacci number at position %d is %d \00"
@.str.2 = [20 x i8] c"\0AFibonacci series:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
%5 = load i32, i32* %2
%6 = call i32 @FibonacciNumber(i32 %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i32 %4, i32 %6)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32, i32* %2
%10 = call i32 @FibonacciSeries(i32 %9)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [43 x i8] c"The fibonacci number at position %d is %d \00"
@str = [19 x i8] c"\0AFibonacci series:\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = call i32 @FibonacciNumber(i32 %4)
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @.str.1, i64 0, i64 0), i32 %4, i32 %5)
%7 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%8 = load i32, i32* %1
%9 = call i32 @FibonacciSeries(i32 %8)
ret i32 0
}