#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 scalar_t__ uint64_t;
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char const *, char *);
scalar_t__ fwrite(char const *, int, scalar_t__, int /*<<< orphan*/ *);
int dumpBuffer(const char *FileN, const char *Buffer, uint64_t Size) {
  FILE *File = fopen(FileN, "w");
  if (!File)
    return 1;
  if (fwrite(Buffer, 1, Size, File) != Size)
    return 1;
  return fclose(File);
}


x86 assembly (clang, -O0):
<dumpBuffer>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
mov    %rdi,-0x10(%rbp)
mov    %rsi,-0x18(%rbp)
mov    %rdx,-0x20(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xeb1(%rip),%rsi
call   1040 <fopen@plt>
mov    %rax,-0x28(%rbp)
cmpq   $0x0,-0x28(%rbp)
jne    116f <dumpBuffer+0x3f>
movl   $0x1,-0x4(%rbp)
jmp    11a7 <dumpBuffer+0x77>
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    $0x1,%esi
call   1050 <fwrite@plt>
cmp    -0x20(%rbp),%rax
je     119b <dumpBuffer+0x6b>
movl   $0x1,-0x4(%rbp)
jmp    11a7 <dumpBuffer+0x77>
mov    -0x28(%rbp),%rdi
call   1030 <fclose@plt>
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dumpBuffer>:
push   %r15
push   %r14
push   %rbx
mov    %rdx,%r14
mov    %rsi,%r15
lea    0xebe(%rip),%rsi
call   1040 <fopen@plt>
test   %rax,%rax
je     1174 <dumpBuffer+0x44>
mov    %rax,%rbx
mov    %r15,%rdi
mov    $0x1,%esi
mov    %r14,%rdx
mov    %rax,%rcx
call   1050 <fwrite@plt>
cmp    %r14,%rax
jne    1174 <dumpBuffer+0x44>
mov    %rbx,%rdi
pop    %rbx
pop    %r14
pop    %r15
jmp    1030 <fclose@plt>
mov    $0x1,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [2 x i8] c"w\00"
define i32 @dumpBuffer(i8* %0, i8* %1, i64 %2) {
%4 = alloca i32
%5 = alloca i8*
%6 = alloca i8*
%7 = alloca i64
%8 = alloca i32*
store i8* %0, i8** %5
store i8* %1, i8** %6
store i64 %2, i64* %7
%9 = load i8*, i8** %5
%10 = call i32* @fopen(i8* %9, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %10, i32** %8
%11 = load i32*, i32** %8
%12 = icmp ne i32* %11, null
br i1 %12, label %14, label %13
13: ; preds = %3
store i32 1, i32* %4
br label %25
14: ; preds = %3
%15 = load i8*, i8** %6
%16 = load i64, i64* %7
%17 = load i32*, i32** %8
%18 = call i64 @fwrite(i8* %15, i32 1, i64 %16, i32* %17)
%19 = load i64, i64* %7
%20 = icmp ne i64 %18, %19
br i1 %20, label %21, label %22
21: ; preds = %14
store i32 1, i32* %4
br label %25
22: ; preds = %14
%23 = load i32*, i32** %8
%24 = call i32 @fclose(i32* %23)
store i32 %24, i32* %4
br label %25
25: ; preds = %22, %21, %13
%26 = load i32, i32* %4
ret i32 %26
}

LLVM IR (-O2):
@.str = [2 x i8] c"w\00"
define i32 @dumpBuffer(i8* nocapture %0, i8* nocapture %1, i64 %2) {
%4 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%5 = icmp eq i32* %4, null
br i1 %5, label %11, label %6
6: ; preds = %3
%7 = tail call i64 @fwrite(i8* %1, i32 1, i64 %2, i32* %4)
%8 = icmp eq i64 %7, %2
br i1 %8, label %9, label %11
9: ; preds = %6
%10 = tail call i32 @fclose(i32* %4)
br label %11
11: ; preds = %6, %3, %9
%12 = phi i32 [ %10, %9 ], [ 1, %3 ], [ 1, %6 ]
ret i32 %12
}