#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*/ errno;
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char const *, char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *, int);
int /*<<< orphan*/ printf(char *, char const *, char *);
char *strerror(int /*<<< orphan*/);
void out(const char *path, int data) {
  FILE *f = fopen(path, "w");
  if (!f) {
    printf("write to %s failed: %s\n", path, strerror(errno));
    return;
  }
  fprintf(f, "%d\n", data);
  fclose(f);
}


x86 assembly (clang, -O0):
<out>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xe96(%rip),%rsi
call   1060 <fopen@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    11ac <out+0x5c>
mov    -0x8(%rbp),%rax
mov    %rax,-0x20(%rbp)
mov    0x2e53(%rip),%rax
mov    (%rax),%edi
call   1070 <strerror@plt>
mov    -0x20(%rbp),%rsi
mov    %rax,%rdx
lea    0xe60(%rip),%rdi
call   1040 <printf@plt>
jmp    11c8 <out+0x78>
mov    -0x18(%rbp),%rdi
mov    -0xc(%rbp),%edx
lea    0xe60(%rip),%rsi
call   1050 <fprintf@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<out>:
push   %rbp
push   %r14
push   %rbx
mov    %esi,%r14d
mov    %rdi,%rbx
lea    0xe9f(%rip),%rsi
call   1060 <fopen@plt>
test   %rax,%rax
je     118c <out+0x3c>
mov    %rax,%rbp
lea    0xea5(%rip),%rsi
mov    %rax,%rdi
mov    %r14d,%edx
call   1050 <fprintf@plt>
mov    %rbp,%rdi
pop    %rbx
pop    %r14
pop    %rbp
jmp    1030 <fclose@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
call   1070 <strerror@plt>
lea    0xe61(%rip),%rdi
mov    %rbx,%rsi
mov    %rax,%rdx
pop    %rbx
pop    %r14
pop    %rbp
jmp    1040 <printf@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"w\00"
@.str.1 = [24 x i8] c"write to %s failed: %s\0A\00"
@errno = global i32 0
@.str.2 = [4 x i8] c"%d\0A\00"
define void @out(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32*
store i8* %0, i8** %3
store i32 %1, i32* %4
%6 = load i8*, i8** %3
%7 = call i32* @fopen(i8* %6, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %7, i32** %5
%8 = load i32*, i32** %5
%9 = icmp ne i32* %8, null
br i1 %9, label %15, label %10
10: ; preds = %2
%11 = load i8*, i8** %3
%12 = load i32, i32* @errno
%13 = call i8* @strerror(i32 %12)
%14 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* %11, i8* %13)
br label %21
15: ; preds = %2
%16 = load i32*, i32** %5
%17 = load i32, i32* %4
%18 = call i32 @fprintf(i32* %16, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %17)
%19 = load i32*, i32** %5
%20 = call i32 @fclose(i32* %19)
br label %21
21: ; preds = %15, %10
ret void
}

LLVM IR (-O2):
@.str = [2 x i8] c"w\00"
@.str.1 = [24 x i8] c"write to %s failed: %s\0A\00"
@errno = global i32 0
@.str.2 = [4 x i8] c"%d\0A\00"
define void @out(i8* %0, i32 %1) {
%3 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%4 = icmp eq i32* %3, null
br i1 %4, label %5, label %9
5: ; preds = %2
%6 = load i32, i32* @errno
%7 = tail call i8* @strerror(i32 %6)
%8 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.1, i64 0, i64 0), i8* %0, i8* %7)
br label %12
9: ; preds = %2
%10 = tail call i32 @fprintf(i32* %3, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %1)
%11 = tail call i32 @fclose(i32* %3)
br label %12
12: ; preds = %9, %5
ret void
}