#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 main() {
  int i, n, t1 = 0, t2 = 1, nextTerm = 0;
  printf("Enter the number of terms: ");
  scanf("%d", &n);
  printf("Fibonacci Series: %d, %d, ", t1, t2);
  for (i = 3; i <= n; ++i) {
    nextTerm = t1 + t2;
    t1 = t2;
    t2 = nextTerm;
    printf("%d, ", nextTerm);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
movl   $0x1,-0x14(%rbp)
movl   $0x0,-0x18(%rbp)
lea    0xeb5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x10(%rbp),%esi
mov    -0x14(%rbp),%edx
lea    0xeb0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x3,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jg     11bd <main+0x9d>
mov    -0x10(%rbp),%eax
add    -0x14(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x18(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x18(%rbp),%esi
lea    0xe8d(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    117d <main+0x5d>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0x10,%rsp
lea    0xecd(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
lea    0xecd(%rip),%rdi
mov    $0x1,%r15d
xor    %esi,%esi
mov    $0x1,%edx
xor    %eax,%eax
call   1030 <printf@plt>
cmpl   $0x3,0xc(%rsp)
jl     11a1 <main+0x81>
mov    $0x2,%ebx
lea    0xebc(%rip),%r14
xor    %ebp,%ebp
nopl   0x0(%rax,%rax,1)
mov    %r15d,%r12d
add    %r15d,%ebp
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1030 <printf@plt>
add    $0x1,%ebx
mov    %ebp,%r15d
mov    %r12d,%ebp
cmp    0xc(%rsp),%ebx
jl     1180 <main+0x60>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [28 x i8] c"Enter the number of terms: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [27 x i8] c"Fibonacci Series: %d, %d, \00"
@.str.3 = [5 x i8] c"%d, \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
store i32 1, i32* %5
store i32 0, i32* %6
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%9 = load i32, i32* %4
%10 = load i32, i32* %5
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i32 %9, i32 %10)
store i32 3, i32* %2
br label %12
12: ; preds = %24, %0
%13 = load i32, i32* %2
%14 = load i32, i32* %3
%15 = icmp sle i32 %13, %14
br i1 %15, label %16, label %27
16: ; preds = %12
%17 = load i32, i32* %4
%18 = load i32, i32* %5
%19 = add nsw i32 %17, %18
store i32 %19, i32* %6
%20 = load i32, i32* %5
store i32 %20, i32* %4
%21 = load i32, i32* %6
store i32 %21, i32* %5
%22 = load i32, i32* %6
%23 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 %22)
br label %24
24: ; preds = %16
%25 = load i32, i32* %2
%26 = add nsw i32 %25, 1
store i32 %26, i32* %2
br label %12
27: ; preds = %12
ret i32 0
}

LLVM IR (-O2):
@.str = [28 x i8] c"Enter the number of terms: \00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [27 x i8] c"Fibonacci Series: %d, %d, \00"
@.str.3 = [5 x i8] c"%d, \00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 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 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i32 0, i32 1)
%6 = load i32, i32* %1
%7 = icmp slt i32 %6, 3
br i1 %7, label %17, label %8
8: ; preds = %0, %8
%9 = phi i32 [ %12, %8 ], [ 1, %0 ]
%10 = phi i32 [ %9, %8 ], [ 0, %0 ]
%11 = phi i32 [ %14, %8 ], [ 3, %0 ]
%12 = add nsw i32 %9, %10
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 %12)
%14 = add nuw nsw i32 %11, 1
%15 = load i32, i32* %1
%16 = icmp slt i32 %11, %15
br i1 %16, label %8, label %17
17: ; preds = %8, %0
ret i32 0
}