#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fwrite(char const *, int, int /*<<< orphan*/,
                          int /*<<< orphan*/ *);
int /*<<< orphan*/ strlen(char const *);
int main(int argc, char *argv[]) {
  FILE *out = fopen("../temp/test-hb.txt", "wb");
  const char *msg = "Hello, World!\n(fopen/fwrite/fclose)";
  fwrite(msg, 1, strlen(msg), out);
  fclose(out);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xeaa(%rip),%rdi
lea    0xeb7(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x18(%rbp)
lea    0xeaa(%rip),%rax
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rax
mov    %rax,-0x28(%rbp)
mov    -0x20(%rbp),%rdi
call   1040 <strlen@plt>
mov    -0x28(%rbp),%rdi
mov    %eax,%edx
mov    -0x18(%rbp),%rcx
mov    $0x1,%esi
call   1060 <fwrite@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xeb5(%rip),%rdi
lea    0xec2(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,%rbx
lea    0xeb6(%rip),%r14
mov    %r14,%rdi
call   1040 <strlen@plt>
mov    %r14,%rdi
mov    $0x1,%esi
mov    %eax,%edx
mov    %rbx,%rcx
call   1060 <fwrite@plt>
mov    %rbx,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [20 x i8] c"../temp/test-hb.txt\00"
@.str.1 = [3 x i8] c"wb\00"
@.str.2 = [36 x i8] c"Hello, World!\0A(fopen/fwrite/fclose)\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
%5 = alloca i32*
%6 = alloca i8*
store i32 %0, i32* %3
store i8** %1, i8*** %4
%7 = call i32* @fopen(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
store i32* %7, i32** %5
store i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i8** %6
%8 = load i8*, i8** %6
%9 = load i8*, i8** %6
%10 = call i32 @strlen(i8* %9)
%11 = load i32*, i32** %5
%12 = call i32 @fwrite(i8* %8, i32 1, i32 %10, i32* %11)
%13 = load i32*, i32** %5
%14 = call i32 @fclose(i32* %13)
ret i32 0
}

LLVM IR (-O2):
@.str = [20 x i8] c"../temp/test-hb.txt\00"
@.str.1 = [3 x i8] c"wb\00"
@.str.2 = [36 x i8] c"Hello, World!\0A(fopen/fwrite/fclose)\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32* @fopen(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = tail call i32 @strlen(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0))
%5 = tail call i32 @fwrite(i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.2, i64 0, i64 0), i32 1, i32 %4, i32* %3)
%6 = tail call i32 @fclose(i32* %3)
ret i32 0
}