#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*/ basic_test_sample();
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ test_buffer_write();
int /*<<< orphan*/ test_error_cases();
int main() {
  printf("Testing writing to a file.\n");
  basic_test_sample();
  printf("Complete.\n\n");
  printf("Testing writing to the buffer. (Then writing that to a file)\n");
  test_buffer_write();
  printf("Complete.\n\n");
  printf("Testing handled error cases.\n");
  test_error_cases();
  printf("Complete.\n\n");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <basic_test_sample@plt>
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1050 <test_buffer_write@plt>
lea    0xe94(%rip),%rdi
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1060 <test_error_cases@plt>
lea    0xe75(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xeb8(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1040 <basic_test_sample@plt>
lea    0xf1a(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xeb1(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1050 <test_buffer_write@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xed3(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
call   1060 <test_error_cases@plt>
mov    %rbx,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [28 x i8] c"Testing writing to a file.\0A\00"
@.str.1 = [12 x i8] c"Complete.\0A\0A\00"
@.str.2 = [62 x i8] c"Testing writing to the buffer. (Then writing that to a file)\0A\00"
@.str.3 = [30 x i8] c"Testing handled error cases.\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str, i64 0, i64 0))
%3 = call i32 (...) @basic_test_sample()
%4 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.2, i64 0, i64 0))
%6 = call i32 (...) @test_buffer_write()
%7 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 (...) @test_error_cases()
%10 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.1, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@str = [27 x i8] c"Testing writing to a file.\00"
@str.5 = [61 x i8] c"Testing writing to the buffer. (Then writing that to a file)\00"
@str.7 = [29 x i8] c"Testing handled error cases.\00"
@str.8 = [11 x i8] c"Complete.\0A\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 (...) @basic_test_sample()
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([61 x i8], [61 x i8]* @str.5, i64 0, i64 0))
%5 = tail call i32 (...) @test_buffer_write()
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.7, i64 0, i64 0))
%8 = tail call i32 (...) @test_error_cases()
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.8, i64 0, i64 0))
ret i32 0
}