#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 const *, char *);
size_t fwrite(char const *, int, size_t const, int /*<<< orphan*/ *);
size_t file_put_contents(const char *filename, const char *contents,
                         const size_t siz) {
  FILE *fp;
  fp = fopen(filename, "wb");
  if (fp == NULL) {
    return 0;
  }
  size_t sz = fwrite(contents, 1, siz, fp);
  fclose(fp);
  return sz;
}


x86 assembly (clang, -O0):
<file_put_contents>:
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    1170 <file_put_contents+0x40>
movq   $0x0,-0x8(%rbp)
jmp    119b <file_put_contents+0x6b>
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rdx
mov    -0x28(%rbp),%rcx
mov    $0x1,%esi
call   1050 <fwrite@plt>
mov    %rax,-0x30(%rbp)
mov    -0x28(%rbp),%rdi
call   1030 <fclose@plt>
mov    -0x30(%rbp),%rax
mov    %rax,-0x8(%rbp)
mov    -0x8(%rbp),%rax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<file_put_contents>:
push   %r15
push   %r14
push   %rbx
mov    %rdx,%r14
mov    %rsi,%r15
lea    0xebe(%rip),%rsi
call   1040 <fopen@plt>
test   %rax,%rax
je     1172 <file_put_contents+0x42>
mov    %rax,%rbx
mov    %r15,%rdi
mov    $0x1,%esi
mov    %r14,%rdx
mov    %rax,%rcx
call   1050 <fwrite@plt>
mov    %rax,%r14
mov    %rbx,%rdi
call   1030 <fclose@plt>
mov    %r14,%rax
jmp    1174 <file_put_contents+0x44>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret

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

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