#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*/ write8x8(int, int, int, int, int, int, int, int);
void ahead_arrow() {
  write8x8(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0);
  write8x8(0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x0, 0x0);
  write8x8(0x0, 0x0, 0x80, 0xc0, 0xc0, 0x80, 0x0, 0x0);
  write8x8(0x0, 0x80, 0xc0, 0xe0, 0xe0, 0xc0, 0x80, 0x0);
  write8x8(0x80, 0xc0, 0xe0, 0xf0, 0xf0, 0xe0, 0xc0, 0x80);
  write8x8(0x40, 0x60, 0x70, 0xf8, 0xf8, 0x70, 0x60, 0x40);
  write8x8(0x20, 0x30, 0x38, 0xfc, 0xfc, 0x38, 0x30, 0x20);
  write8x8(0x10, 0x18, 0x1c, 0xfe, 0xfe, 0x1c, 0x18, 0x10);
  write8x8(0x8, 0xc, 0xe, 0xff, 0xff, 0xe, 0xc, 0x8);
  write8x8(0x8, 0xc, 0xe, 0xff, 0xff, 0xe, 0xc, 0x8);
  write8x8(0x4, 0x6, 0x7, 0x7f, 0x7f, 0x7, 0x6, 0x4);
  write8x8(0x2, 0x3, 0x3, 0x3f, 0x3f, 0x3, 0x3, 0x2);
  write8x8(0x1, 0x1, 0x1, 0x1f, 0x1f, 0x1, 0x1, 0x1);
  write8x8(0x0, 0x0, 0x0, 0xf, 0xf, 0x0, 0x0, 0x0);
  write8x8(0x0, 0x0, 0x0, 0x7, 0x7, 0x0, 0x0, 0x0);
  write8x8(0x0, 0x0, 0x0, 0x3, 0x3, 0x0, 0x0, 0x0);
  write8x8(0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0);
}


x86 assembly (clang, -O0):
<ahead_arrow>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
xor    %r9d,%r9d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r9d,%ecx
mov    %r9d,%r8d
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %r9d,%r9d
mov    $0x80,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %esi,%esi
mov    $0x80,%r9d
mov    $0xc0,%r8d
mov    %esi,%edi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %edi,%edi
mov    $0x80,%esi
mov    $0xc0,%r9d
mov    $0xe0,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x80,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x80,%edi
mov    $0xc0,%esi
mov    $0xe0,%r9d
mov    $0xf0,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0xc0,(%rsp)
movl   $0x80,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x40,%edi
mov    $0x60,%esi
mov    $0x70,%r9d
mov    $0xf8,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x60,(%rsp)
movl   $0x40,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x20,%edi
mov    $0x30,%esi
mov    $0x38,%r9d
mov    $0xfc,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x30,(%rsp)
movl   $0x20,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x10,%edi
mov    $0x18,%esi
mov    $0x1c,%r9d
mov    $0xfe,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x18,(%rsp)
movl   $0x10,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x8,%edi
mov    $0xc,%esi
mov    $0xe,%r9d
mov    $0xff,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0xc,(%rsp)
movl   $0x8,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x8,%edi
mov    $0xc,%esi
mov    $0xe,%r9d
mov    $0xff,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0xc,(%rsp)
movl   $0x8,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x4,%edi
mov    $0x6,%esi
mov    $0x7,%r9d
mov    $0x7f,%r8d
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x6,(%rsp)
movl   $0x4,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x2,%edi
mov    $0x3,%r9d
mov    $0x3f,%r8d
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x3,(%rsp)
movl   $0x2,0x8(%rsp)
call   1030 <write8x8@plt>
mov    $0x1,%r9d
mov    $0x1f,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x1,(%rsp)
movl   $0x1,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %r9d,%r9d
mov    $0xf,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %r9d,%r9d
mov    $0x7,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %r9d,%r9d
mov    $0x3,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
xor    %r9d,%r9d
mov    $0x1,%r8d
mov    %r9d,%edi
mov    %r9d,%esi
mov    %r9d,%edx
mov    %r8d,%ecx
movl   $0x0,(%rsp)
movl   $0x0,0x8(%rsp)
call   1030 <write8x8@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ahead_arrow>:
push   %rax
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x80,%ecx
mov    $0x80,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
mov    $0x80,%edx
mov    $0xc0,%ecx
mov    $0xc0,%r8d
mov    $0x80,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
mov    $0x80,%esi
mov    $0xc0,%edx
mov    $0xe0,%ecx
mov    $0xe0,%r8d
mov    $0xc0,%r9d
push   $0x0
push   $0x80
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x80,%edi
mov    $0xc0,%esi
mov    $0xe0,%edx
mov    $0xf0,%ecx
mov    $0xf0,%r8d
mov    $0xe0,%r9d
push   $0x80
push   $0xc0
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x40,%edi
mov    $0x60,%esi
mov    $0x70,%edx
mov    $0xf8,%ecx
mov    $0xf8,%r8d
mov    $0x70,%r9d
push   $0x40
push   $0x60
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x20,%edi
mov    $0x30,%esi
mov    $0x38,%edx
mov    $0xfc,%ecx
mov    $0xfc,%r8d
mov    $0x38,%r9d
push   $0x20
push   $0x30
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x10,%edi
mov    $0x18,%esi
mov    $0x1c,%edx
mov    $0xfe,%ecx
mov    $0xfe,%r8d
mov    $0x1c,%r9d
push   $0x10
push   $0x18
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x8,%edi
mov    $0xc,%esi
mov    $0xe,%edx
mov    $0xff,%ecx
mov    $0xff,%r8d
mov    $0xe,%r9d
push   $0x8
push   $0xc
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x8,%edi
mov    $0xc,%esi
mov    $0xe,%edx
mov    $0xff,%ecx
mov    $0xff,%r8d
mov    $0xe,%r9d
push   $0x8
push   $0xc
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x4,%edi
mov    $0x6,%esi
mov    $0x7,%edx
mov    $0x7f,%ecx
mov    $0x7f,%r8d
mov    $0x7,%r9d
push   $0x4
push   $0x6
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x2,%edi
mov    $0x3,%esi
mov    $0x3,%edx
mov    $0x3f,%ecx
mov    $0x3f,%r8d
mov    $0x3,%r9d
push   $0x2
push   $0x3
call   1030 <write8x8@plt>
add    $0x10,%rsp
mov    $0x1,%edi
mov    $0x1,%esi
mov    $0x1,%edx
mov    $0x1f,%ecx
mov    $0x1f,%r8d
mov    $0x1,%r9d
push   $0x1
push   $0x1
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    $0xf,%ecx
mov    $0xf,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x7,%ecx
mov    $0x7,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x3,%ecx
mov    $0x3,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
mov    $0x1,%ecx
mov    $0x1,%r8d
xor    %r9d,%r9d
push   $0x0
push   $0x0
call   1030 <write8x8@plt>
add    $0x10,%rsp
pop    %rax
ret

LLVM IR (-O0):
define void @ahead_arrow() {
%1 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
%2 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 128, i32 128, i32 0, i32 0, i32 0)
%3 = call i32 @write8x8(i32 0, i32 0, i32 128, i32 192, i32 192, i32 128, i32 0, i32 0)
%4 = call i32 @write8x8(i32 0, i32 128, i32 192, i32 224, i32 224, i32 192, i32 128, i32 0)
%5 = call i32 @write8x8(i32 128, i32 192, i32 224, i32 240, i32 240, i32 224, i32 192, i32 128)
%6 = call i32 @write8x8(i32 64, i32 96, i32 112, i32 248, i32 248, i32 112, i32 96, i32 64)
%7 = call i32 @write8x8(i32 32, i32 48, i32 56, i32 252, i32 252, i32 56, i32 48, i32 32)
%8 = call i32 @write8x8(i32 16, i32 24, i32 28, i32 254, i32 254, i32 28, i32 24, i32 16)
%9 = call i32 @write8x8(i32 8, i32 12, i32 14, i32 255, i32 255, i32 14, i32 12, i32 8)
%10 = call i32 @write8x8(i32 8, i32 12, i32 14, i32 255, i32 255, i32 14, i32 12, i32 8)
%11 = call i32 @write8x8(i32 4, i32 6, i32 7, i32 127, i32 127, i32 7, i32 6, i32 4)
%12 = call i32 @write8x8(i32 2, i32 3, i32 3, i32 63, i32 63, i32 3, i32 3, i32 2)
%13 = call i32 @write8x8(i32 1, i32 1, i32 1, i32 31, i32 31, i32 1, i32 1, i32 1)
%14 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 15, i32 15, i32 0, i32 0, i32 0)
%15 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 7, i32 7, i32 0, i32 0, i32 0)
%16 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 3, i32 3, i32 0, i32 0, i32 0)
%17 = call i32 @write8x8(i32 0, i32 0, i32 0, i32 1, i32 1, i32 0, i32 0, i32 0)
ret void
}

LLVM IR (-O2):
define void @ahead_arrow() {
%1 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
%2 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 128, i32 128, i32 0, i32 0, i32 0)
%3 = tail call i32 @write8x8(i32 0, i32 0, i32 128, i32 192, i32 192, i32 128, i32 0, i32 0)
%4 = tail call i32 @write8x8(i32 0, i32 128, i32 192, i32 224, i32 224, i32 192, i32 128, i32 0)
%5 = tail call i32 @write8x8(i32 128, i32 192, i32 224, i32 240, i32 240, i32 224, i32 192, i32 128)
%6 = tail call i32 @write8x8(i32 64, i32 96, i32 112, i32 248, i32 248, i32 112, i32 96, i32 64)
%7 = tail call i32 @write8x8(i32 32, i32 48, i32 56, i32 252, i32 252, i32 56, i32 48, i32 32)
%8 = tail call i32 @write8x8(i32 16, i32 24, i32 28, i32 254, i32 254, i32 28, i32 24, i32 16)
%9 = tail call i32 @write8x8(i32 8, i32 12, i32 14, i32 255, i32 255, i32 14, i32 12, i32 8)
%10 = tail call i32 @write8x8(i32 8, i32 12, i32 14, i32 255, i32 255, i32 14, i32 12, i32 8)
%11 = tail call i32 @write8x8(i32 4, i32 6, i32 7, i32 127, i32 127, i32 7, i32 6, i32 4)
%12 = tail call i32 @write8x8(i32 2, i32 3, i32 3, i32 63, i32 63, i32 3, i32 3, i32 2)
%13 = tail call i32 @write8x8(i32 1, i32 1, i32 1, i32 31, i32 31, i32 1, i32 1, i32 1)
%14 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 15, i32 15, i32 0, i32 0, i32 0)
%15 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 7, i32 7, i32 0, i32 0, i32 0)
%16 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 3, i32 3, i32 0, i32 0, i32 0)
%17 = tail call i32 @write8x8(i32 0, i32 0, i32 0, i32 1, i32 1, i32 0, i32 0, i32 0)
ret void
}