#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 *, int, int, int /*<<< orphan*/ *);
int saveDiskFile(char *fileName, char *data) {
  FILE *diskFile = fopen(fileName, "wb");
  if (!diskFile)
    return -1;
  if (!fwrite(data, sizeof(char), (32 * 64 * 256), diskFile)) {
    fclose(diskFile);
    return -1;
  }
  fclose(diskFile);
  return 1;
}


x86 assembly (clang, -O0):
<saveDiskFile>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xeb5(%rip),%rsi
call   1040 <fopen@plt>
mov    %rax,-0x20(%rbp)
cmpq   $0x0,-0x20(%rbp)
jne    116b <saveDiskFile+0x3b>
movl   $0xffffffff,-0x4(%rbp)
jmp    11b0 <saveDiskFile+0x80>
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rcx
mov    $0x1,%esi
mov    $0x80000,%edx
call   1050 <fwrite@plt>
cmp    $0x0,%eax
jne    11a0 <saveDiskFile+0x70>
mov    -0x20(%rbp),%rdi
call   1030 <fclose@plt>
movl   $0xffffffff,-0x4(%rbp)
jmp    11b0 <saveDiskFile+0x80>
mov    -0x20(%rbp),%rdi
call   1030 <fclose@plt>
movl   $0x1,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<saveDiskFile>:
push   %rbp
push   %r14
push   %rbx
mov    %rsi,%r14
lea    0xec2(%rip),%rsi
call   1040 <fopen@plt>
test   %rax,%rax
je     1174 <saveDiskFile+0x44>
mov    %rax,%rbx
mov    %r14,%rdi
mov    $0x1,%esi
mov    $0x80000,%edx
mov    %rax,%rcx
call   1050 <fwrite@plt>
mov    %eax,%ebp
mov    %rbx,%rdi
call   1030 <fclose@plt>
cmp    $0x1,%ebp
sbb    %eax,%eax
or     $0x1,%eax
jmp    1179 <saveDiskFile+0x49>
mov    $0xffffffff,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret

LLVM IR (-O0):
@.str = [3 x i8] c"wb\00"
define i32 @saveDiskFile(i8* %0, i8* %1) {
%3 = alloca i32
%4 = alloca i8*
%5 = alloca i8*
%6 = alloca i32*
store i8* %0, i8** %4
store i8* %1, i8** %5
%7 = load i8*, i8** %4
%8 = call i32* @fopen(i8* %7, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
store i32* %8, i32** %6
%9 = load i32*, i32** %6
%10 = icmp ne i32* %9, null
br i1 %10, label %12, label %11
11: ; preds = %2
store i32 -1, i32* %3
br label %23
12: ; preds = %2
%13 = load i8*, i8** %5
%14 = load i32*, i32** %6
%15 = call i32 @fwrite(i8* %13, i32 1, i32 524288, i32* %14)
%16 = icmp ne i32 %15, 0
br i1 %16, label %20, label %17
17: ; preds = %12
%18 = load i32*, i32** %6
%19 = call i32 @fclose(i32* %18)
store i32 -1, i32* %3
br label %23
20: ; preds = %12
%21 = load i32*, i32** %6
%22 = call i32 @fclose(i32* %21)
store i32 1, i32* %3
br label %23
23: ; preds = %20, %17, %11
%24 = load i32, i32* %3
ret i32 %24
}

LLVM IR (-O2):
@.str = [3 x i8] c"wb\00"
define i32 @saveDiskFile(i8* nocapture %0, i8* nocapture %1) {
%3 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%4 = icmp eq i32* %3, null
br i1 %4, label %10, label %5
5: ; preds = %2
%6 = tail call i32 @fwrite(i8* %1, i32 1, i32 524288, i32* %3)
%7 = icmp eq i32 %6, 0
%8 = tail call i32 @fclose(i32* %3)
%9 = select i1 %7, i32 -1, i32 1
br label %10
10: ; preds = %5, %2
%11 = phi i32 [ -1, %2 ], [ %9, %5 ]
ret i32 %11
}