#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*/ for_data_read();
int /*<<< orphan*/ for_data_write();
int /*<<< orphan*/ for_hole_read();
int /*<<< orphan*/ for_hole_write();
int /*<<< orphan*/ for_pipe();
int /*<<< orphan*/ for_tty();
int /*<<< orphan*/ puts(char *);
int main(void) {
  puts(":echo "
       "--a94e2gfwdd--");
  ;
  for_tty();
  for_pipe();
  for_data_write();
  for_data_read();
  for_hole_write();
  for_hole_read();
  puts("\n"
       "--a94e2gfwdd--");
  puts("$success");
  puts("$shudown");
  while (1)
    ;
  ;
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe7a(%rip),%rdi
call   1030 <puts@plt>
mov    $0x0,%al
call   1080 <for_tty@plt>
mov    $0x0,%al
call   1070 <for_pipe@plt>
mov    $0x0,%al
call   1050 <for_data_write@plt>
mov    $0x0,%al
call   1060 <for_data_read@plt>
mov    $0x0,%al
call   1090 <for_hole_write@plt>
mov    $0x0,%al
call   1040 <for_hole_read@plt>
lea    0xe59(%rip),%rdi
call   1030 <puts@plt>
lea    0xe5d(%rip),%rdi
call   1030 <puts@plt>
lea    0xe5a(%rip),%rdi
call   1030 <puts@plt>
jmp    11d9 <main+0x69>

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xe88(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1080 <for_tty@plt>
xor    %eax,%eax
call   1070 <for_pipe@plt>
xor    %eax,%eax
call   1050 <for_data_write@plt>
xor    %eax,%eax
call   1060 <for_data_read@plt>
xor    %eax,%eax
call   1090 <for_hole_write@plt>
xor    %eax,%eax
call   1040 <for_hole_read@plt>
lea    0xe67(%rip),%rdi
call   1030 <puts@plt>
lea    0xe6b(%rip),%rdi
call   1030 <puts@plt>
lea    0xe68(%rip),%rdi
call   1030 <puts@plt>
nopl   0x0(%rax,%rax,1)
jmp    11d0 <main+0x60>

LLVM IR (-O0):
@.str = [21 x i8] c":echo --a94e2gfwdd--\00"
@.str.1 = [16 x i8] c"\0A--a94e2gfwdd--\00"
@.str.2 = [9 x i8] c"$success\00"
@.str.3 = [9 x i8] c"$shudown\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @puts(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%3 = call i32 (...) @for_tty()
%4 = call i32 (...) @for_pipe()
%5 = call i32 (...) @for_data_write()
%6 = call i32 (...) @for_data_read()
%7 = call i32 (...) @for_hole_write()
%8 = call i32 (...) @for_hole_read()
%9 = call i32 @puts(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%10 = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0))
br label %12
12: ; preds = %0, %12
br label %12
}

LLVM IR (-O2):
@.str = [21 x i8] c":echo --a94e2gfwdd--\00"
@.str.1 = [16 x i8] c"\0A--a94e2gfwdd--\00"
@.str.2 = [9 x i8] c"$success\00"
@.str.3 = [9 x i8] c"$shudown\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 (...) @for_tty()
%3 = tail call i32 (...) @for_pipe()
%4 = tail call i32 (...) @for_data_write()
%5 = tail call i32 (...) @for_data_read()
%6 = tail call i32 (...) @for_hole_write()
%7 = tail call i32 (...) @for_hole_read()
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @.str.3, i64 0, i64 0))
br label %11
11: ; preds = %0, %11
br label %11
}