#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*/ fibo_1(int);
int /*<<< orphan*/ fibo_2(int);
int /*<<< orphan*/ fibo_3(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int n;
  printf("Enter the number of terms\n");
  scanf("%d", &n);
  printf("First %d terms of Fibonacci series :\n", n);
  if (n > 0) {
    fibo_1(n);
    printf("\n");
    fibo_2(n);
  }
  printf("\n");
  fibo_3(n);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe9a(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xea7(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1060 <scanf@plt>
mov    -0x8(%rbp),%esi
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
cmpl   $0x0,-0x8(%rbp)
jle    11b6 <main+0x66>
mov    -0x8(%rbp),%edi
call   1070 <fibo_1@plt>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x8(%rbp),%edi
call   1050 <fibo_2@plt>
lea    0xe85(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x8(%rbp),%edi
call   1030 <fibo_3@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xeb1(%rip),%rdi
call   1050 <puts@plt>
lea    0xe7c(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1080 <scanf@plt>
mov    0x4(%rsp),%esi
lea    0xe6a(%rip),%rdi
xor    %eax,%eax
call   1060 <printf@plt>
mov    0x4(%rsp),%edi
test   %edi,%edi
jle    11c0 <main+0x50>
call   1090 <fibo_1@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x4(%rsp),%edi
call   1070 <fibo_2@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x4(%rsp),%edi
call   1040 <fibo_3@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [27 x i8] c"Enter the number of terms\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [38 x i8] c"First %d terms of Fibonacci series :\0A\00"
@.str.3 = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%5 = load i32, i32* %2
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = load i32, i32* %2
%8 = icmp sgt i32 %7, 0
br i1 %8, label %9, label %15
9: ; preds = %0
%10 = load i32, i32* %2
%11 = call i32 @fibo_1(i32 %10)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%13 = load i32, i32* %2
%14 = call i32 @fibo_2(i32 %13)
br label %15
15: ; preds = %9, %0
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.3, i64 0, i64 0))
%17 = load i32, i32* %2
%18 = call i32 @fibo_3(i32 %17)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [38 x i8] c"First %d terms of Fibonacci series :\0A\00"
@str = [26 x i8] c"Enter the number of terms\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.2, i64 0, i64 0), i32 %5)
%7 = load i32, i32* %1
%8 = icmp sgt i32 %7, 0
br i1 %8, label %9, label %14
9: ; preds = %0
%10 = call i32 @fibo_1(i32 %7)
%11 = call i32 @putchar(i32 10)
%12 = load i32, i32* %1
%13 = call i32 @fibo_2(i32 %12)
br label %14
14: ; preds = %9, %0
%15 = call i32 @putchar(i32 10)
%16 = load i32, i32* %1
%17 = call i32 @fibo_3(i32 %16)
ret i32 0
}