#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);
int main(void) {
  int fibA, fibB, fibC, i;
  fibA = 0;
  printf("%i\n", fibA);
  fibB = 1;
  printf("%i\n", fibB);
  for (i = 2; i < 15; ++i) {
    fibC = fibA + fibB;
    printf("%i\n", fibC);
    fibA = fibB;
    fibB = fibC;
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xed0(%rip),%rdi
call   1030 <printf@plt>
movl   $0x1,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xeba(%rip),%rdi
call   1030 <printf@plt>
movl   $0x2,-0x14(%rbp)
cmpl   $0xf,-0x14(%rbp)
jge    118e <main+0x7e>
mov    -0x8(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%esi
lea    0xe91(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
mov    %eax,-0x8(%rbp)
mov    -0x10(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1152 <main+0x42>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
call   1030 <printf@plt>
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>
mov    %rbx,%rdi
mov    $0x59,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x90,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0xe9,%esi
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x179,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%i\0A\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* %2
%6 = load i32, i32* %2
%7 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %6)
store i32 1, i32* %3
%8 = load i32, i32* %3
%9 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %8)
store i32 2, i32* %5
br label %10
10: ; preds = %21, %0
%11 = load i32, i32* %5
%12 = icmp slt i32 %11, 15
br i1 %12, label %13, label %24
13: ; preds = %10
%14 = load i32, i32* %2
%15 = load i32, i32* %3
%16 = add nsw i32 %14, %15
store i32 %16, i32* %4
%17 = load i32, i32* %4
%18 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = load i32, i32* %3
store i32 %19, i32* %2
%20 = load i32, i32* %4
store i32 %20, i32* %3
br label %21
21: ; preds = %13
%22 = load i32, i32* %5
%23 = add nsw i32 %22, 1
store i32 %23, i32* %5
br label %10
24: ; preds = %10
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%i\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 0)
%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 1)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 2)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 3)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 5)
%7 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 8)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 13)
%9 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 21)
%10 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 34)
%11 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 55)
%12 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 89)
%13 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 144)
%14 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 233)
%15 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 377)
ret i32 0
}