#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*/ printf(char *, int);
int main() {
  int a[10], i;
  for (i = 0; i < 10; i++)
    if (i == 0 || i == 1)
      a[i] = 1;
    else
      a[i] = a[i - 1] + a[i - 2];
  for (i = 0; i < 10; i++)
    printf("%4d", a[i]);
  getchar();
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x34(%rbp)
cmpl   $0xa,-0x34(%rbp)
jge    1198 <main+0x78>
cmpl   $0x0,-0x34(%rbp)
je     1154 <main+0x34>
cmpl   $0x1,-0x34(%rbp)
jne    1165 <main+0x45>
movslq -0x34(%rbp),%rax
movl   $0x1,-0x30(%rbp,%rax,4)
jmp    1185 <main+0x65>
mov    -0x34(%rbp),%eax
sub    $0x1,%eax
cltq
mov    -0x30(%rbp,%rax,4),%ecx
mov    -0x34(%rbp),%eax
sub    $0x2,%eax
cltq
add    -0x30(%rbp,%rax,4),%ecx
movslq -0x34(%rbp),%rax
mov    %ecx,-0x30(%rbp,%rax,4)
jmp    118a <main+0x6a>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    1136 <main+0x16>
movl   $0x0,-0x34(%rbp)
cmpl   $0xa,-0x34(%rbp)
jge    11cb <main+0xab>
movslq -0x34(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%esi
lea    0xe48(%rip),%rdi
call   1030 <printf@plt>
mov    -0x34(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x34(%rbp)
jmp    119f <main+0x7f>
mov    $0x0,%al
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rbx
mov    %rbx,%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x5,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xd,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x15,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x22,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x37,%esi
call   1030 <printf@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%4d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [10 x i32]
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %4
4: ; preds = %33, %0
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 10
br i1 %6, label %7, label %36
7: ; preds = %4
%8 = load i32, i32* %3
%9 = icmp eq i32 %8, 0
br i1 %9, label %13, label %10
10: ; preds = %7
%11 = load i32, i32* %3
%12 = icmp eq i32 %11, 1
br i1 %12, label %13, label %17
13: ; preds = %10, %7
%14 = load i32, i32* %3
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %15
store i32 1, i32* %16
br label %32
17: ; preds = %10
%18 = load i32, i32* %3
%19 = sub nsw i32 %18, 1
%20 = sext i32 %19 to i64
%21 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %20
%22 = load i32, i32* %21
%23 = load i32, i32* %3
%24 = sub nsw i32 %23, 2
%25 = sext i32 %24 to i64
%26 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %25
%27 = load i32, i32* %26
%28 = add nsw i32 %22, %27
%29 = load i32, i32* %3
%30 = sext i32 %29 to i64
%31 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %30
store i32 %28, i32* %31
br label %32
32: ; preds = %17, %13
br label %33
33: ; preds = %32
%34 = load i32, i32* %3
%35 = add nsw i32 %34, 1
store i32 %35, i32* %3
br label %4
36: ; preds = %4
store i32 0, i32* %3
br label %37
37: ; preds = %46, %36
%38 = load i32, i32* %3
%39 = icmp slt i32 %38, 10
br i1 %39, label %40, label %49
40: ; preds = %37
%41 = load i32, i32* %3
%42 = sext i32 %41 to i64
%43 = getelementptr inbounds [10 x i32], [10 x i32]* %2, i64 0, i64 %42
%44 = load i32, i32* %43
%45 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %44)
br label %46
46: ; preds = %40
%47 = load i32, i32* %3
%48 = add nsw i32 %47, 1
store i32 %48, i32* %3
br label %37
49: ; preds = %37
%50 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%4d\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 1)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 1)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 3)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 5)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 8)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 13)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 21)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 34)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 55)
%11 = tail call i32 (...) @getchar()
ret i32 0
}