#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 *, ...);
main() {
  int i, current, a2 = 0, a1 = 1;
  printf("Fibonacci Sequence\n");
  printf("==================\n");
  for (i = 0; i < 6; i++) {
    if (i == 0)
      current = 0;
    else if (i == 1)
      current = 1;
    else {
      current = a2 + a1;
      a2 = a1;
      a1 = current;
    }
    printf("number %i : ", i + 1);
    printf("%i \n", current);
  }
  printf("============================\n");
  printf("%i items printed successfully", 6);
}


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)
lea    0xecc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeee(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x6,-0x8(%rbp)
jge    11d3 <main+0xc3>
cmpl   $0x0,-0x8(%rbp)
jne    1170 <main+0x60>
movl   $0x0,-0xc(%rbp)
jmp    11a0 <main+0x90>
cmpl   $0x1,-0x8(%rbp)
jne    1186 <main+0x76>
movl   $0x1,-0xc(%rbp)
jmp    119b <main+0x8b>
mov    -0x10(%rbp),%eax
add    -0x14(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x14(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
jmp    11a0 <main+0x90>
mov    -0x8(%rbp),%esi
add    $0x1,%esi
lea    0xe67(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xe63(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1150 <main+0x40>
lea    0xe4c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe5c(%rip),%rdi
mov    $0x6,%esi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xf05(%rip),%rdi
call   1030 <puts@plt>
lea    0xf16(%rip),%rdi
call   1030 <puts@plt>
lea    0xebd(%rip),%r14
mov    %r14,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb4(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %r14,%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe41(%rip),%rdi
call   1030 <puts@plt>
lea    0xe04(%rip),%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [20 x i8] c"Fibonacci Sequence\0A\00"
@.str.1 = [20 x i8] c"==================\0A\00"
@.str.2 = [13 x i8] c"number %i : \00"
@.str.3 = [5 x i8] c"%i \0A\00"
@.str.4 = [30 x i8] c"============================\0A\00"
@.str.5 = [30 x i8] c"%i items printed successfully\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
store i32 1, i32* %5
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %2
br label %8
8: ; preds = %32, %0
%9 = load i32, i32* %2
%10 = icmp slt i32 %9, 6
br i1 %10, label %11, label %35
11: ; preds = %8
%12 = load i32, i32* %2
%13 = icmp eq i32 %12, 0
br i1 %13, label %14, label %15
14: ; preds = %11
store i32 0, i32* %3
br label %26
15: ; preds = %11
%16 = load i32, i32* %2
%17 = icmp eq i32 %16, 1
br i1 %17, label %18, label %19
18: ; preds = %15
store i32 1, i32* %3
br label %25
19: ; preds = %15
%20 = load i32, i32* %4
%21 = load i32, i32* %5
%22 = add nsw i32 %20, %21
store i32 %22, i32* %3
%23 = load i32, i32* %5
store i32 %23, i32* %4
%24 = load i32, i32* %3
store i32 %24, i32* %5
br label %25
25: ; preds = %19, %18
br label %26
26: ; preds = %25, %14
%27 = load i32, i32* %2
%28 = add nsw i32 %27, 1
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 %28)
%30 = load i32, i32* %3
%31 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 %30)
br label %32
32: ; preds = %26
%33 = load i32, i32* %2
%34 = add nsw i32 %33, 1
store i32 %34, i32* %2
br label %8
35: ; preds = %8
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.4, i64 0, i64 0))
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i32 6)
%38 = load i32, i32* %1
ret i32 %38
}

LLVM IR (-O2):
@.str.2 = [13 x i8] c"number %i : \00"
@.str.3 = [5 x i8] c"%i \0A\00"
@.str.5 = [30 x i8] c"%i items printed successfully\00"
@str = [19 x i8] c"Fibonacci Sequence\00"
@str.6 = [19 x i8] c"==================\00"
@str.7 = [29 x i8] c"============================\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 1)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 0)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 2)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 1)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 3)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 1)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 4)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 2)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 5)
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 3)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.2, i64 0, i64 0), i32 6)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i32 5)
%15 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.7, i64 0, i64 0))
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @.str.5, i64 0, i64 0), i32 6)
ret i32 0
}