#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*/ fprintf(int /*<<< orphan*/ *, char *, char *);
int write_default_config(char *path) {
  FILE *f = fopen(path, "w");
  if (f == NULL)
    return -1;
  fprintf(f, "%s", "usetabs 1\ntabsize 8\nlinnums 1\nbufexpg 0\n");
  fclose(f);
  return 0;
}


x86 assembly (clang, -O0):
<write_default_config>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xeb9(%rip),%rsi
call   1050 <fopen@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    1167 <write_default_config+0x37>
movl   $0xffffffff,-0x4(%rbp)
jmp    118e <write_default_config+0x5e>
mov    -0x18(%rbp),%rdi
lea    0xe90(%rip),%rsi
lea    0xe8c(%rip),%rdx
call   1040 <fprintf@plt>
mov    -0x18(%rbp),%rdi
call   1030 <fclose@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<write_default_config>:
push   %rbx
lea    0xec8(%rip),%rsi
call   1040 <fopen@plt>
test   %rax,%rax
je     116a <write_default_config+0x3a>
mov    %rax,%rbx
lea    0xeb6(%rip),%rdi
mov    $0x28,%esi
mov    $0x1,%edx
mov    %rax,%rcx
call   1050 <fwrite@plt>
mov    %rbx,%rdi
call   1030 <fclose@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    $0xffffffff,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [2 x i8] c"w\00"
@.str.1 = [3 x i8] c"%s\00"
@.str.2 = [41 x i8] c"usetabs 1\0Atabsize 8\0Alinnums 1\0Abufexpg 0\0A\00"
define i32 @write_default_config(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca i32*
store i8* %0, i8** %3
%5 = load i8*, i8** %3
%6 = call i32* @fopen(i8* %5, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i32* %6, i32** %4
%7 = load i32*, i32** %4
%8 = icmp eq i32* %7, null
br i1 %8, label %9, label %10
9: ; preds = %1
store i32 -1, i32* %2
br label %15
10: ; preds = %1
%11 = load i32*, i32** %4
%12 = call i32 @fprintf(i32* %11, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0))
%13 = load i32*, i32** %4
%14 = call i32 @fclose(i32* %13)
store i32 0, i32* %2
br label %15
15: ; preds = %10, %9
%16 = load i32, i32* %2
ret i32 %16
}

LLVM IR (-O2):
@.str = [2 x i8] c"w\00"
@.str.2 = [41 x i8] c"usetabs 1\0Atabsize 8\0Alinnums 1\0Abufexpg 0\0A\00"
define i32 @write_default_config(i8* nocapture %0) {
%2 = tail call i32* @fopen(i8* %0, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i32* %2, null
br i1 %3, label %7, label %4
4: ; preds = %1
%5 = tail call i64 @fwrite(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.2, i64 0, i64 0), i64 40, i64 1, i32* %2)
%6 = tail call i32 @fclose(i32* %2)
br label %7
7: ; preds = %1, %4
%8 = phi i32 [ 0, %4 ], [ -1, %1 ]
ret i32 %8
}