#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 */
struct stat {
  int /*<<< orphan*/ st_mode;
};

/* Variables and functions */
int /*<<< orphan*/ S_ISDIR(int /*<<< orphan*/);
int mkdir(char const *, int);
scalar_t__ stat(char const *, struct stat *);
int directory_exists_or_create(const char *path) {
  struct stat sb;
  if (stat(path, &sb) != 0) {
    return mkdir(path, 0755);
  }
  if (!S_ISDIR(sb.st_mode)) {
    return -1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<directory_exists_or_create>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    -0x18(%rbp),%rsi
call   1050 <stat@plt>
cmp    $0x0,%rax
je     1169 <directory_exists_or_create+0x39>
mov    -0x10(%rbp),%rdi
mov    $0x1ed,%esi
call   1030 <mkdir@plt>
mov    %eax,-0x4(%rbp)
jmp    118d <directory_exists_or_create+0x5d>
mov    -0x18(%rbp),%edi
call   1040 <S_ISDIR@plt>
cmp    $0x0,%eax
jne    1186 <directory_exists_or_create+0x56>
movl   $0xffffffff,-0x4(%rbp)
jmp    118d <directory_exists_or_create+0x5d>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<directory_exists_or_create>:
push   %rbx
sub    $0x10,%rsp
mov    %rdi,%rbx
lea    0x8(%rsp),%rsi
call   1050 <stat@plt>
test   %rax,%rax
je     1156 <directory_exists_or_create+0x26>
mov    %rbx,%rdi
mov    $0x1ed,%esi
call   1030 <mkdir@plt>
jmp    1164 <directory_exists_or_create+0x34>
mov    0x8(%rsp),%edi
call   1040 <S_ISDIR@plt>
cmp    $0x1,%eax
sbb    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
%struct.stat = type { i32 }
define i32 @directory_exists_or_create(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
%4 = alloca %struct.stat
store i8* %0, i8** %3
%5 = load i8*, i8** %3
%6 = call i64 @stat(i8* %5, %struct.stat* %4)
%7 = icmp ne i64 %6, 0
br i1 %7, label %8, label %11
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i32 @mkdir(i8* %9, i32 493)
store i32 %10, i32* %2
br label %18
11: ; preds = %1
%12 = getelementptr inbounds %struct.stat, %struct.stat* %4, i32 0, i32 0
%13 = load i32, i32* %12
%14 = call i32 @S_ISDIR(i32 %13)
%15 = icmp ne i32 %14, 0
br i1 %15, label %17, label %16
16: ; preds = %11
store i32 -1, i32* %2
br label %18
17: ; preds = %11
store i32 0, i32* %2
br label %18
18: ; preds = %17, %16, %8
%19 = load i32, i32* %2
ret i32 %19
}

LLVM IR (-O2):
%struct.stat = type { i32 }
define i32 @directory_exists_or_create(i8* %0) {
%2 = alloca %struct.stat
%3 = bitcast %struct.stat* %2 to i8*
%4 = call i64 @stat(i8* %0, %struct.stat* %2)
%5 = icmp eq i64 %4, 0
br i1 %5, label %8, label %6
6: ; preds = %1
%7 = call i32 @mkdir(i8* %0, i32 493)
br label %14
8: ; preds = %1
%9 = getelementptr inbounds %struct.stat, %struct.stat* %2, i64 0, i32 0
%10 = load i32, i32* %9
%11 = call i32 @S_ISDIR(i32 %10)
%12 = icmp eq i32 %11, 0
%13 = sext i1 %12 to i32
br label %14
14: ; preds = %8, %6
%15 = phi i32 [ %7, %6 ], [ %13, %8 ]
ret i32 %15
}