#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 */

/* Variables and functions */
int EXIT_FAILURE;
int EXIT_SUCCESS;
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ perror(char *);
scalar_t__ rmdir_ex(char *);
int /*<<< orphan*/ stderr;
int main(int argc, char **argv) {
  if (argc < 2) {
    fprintf(stderr, "Syntax: %s <dir>\n", argv[0]);
    return EXIT_FAILURE;
  }
  if (rmdir_ex(argv[1]) == 0) {
    return EXIT_SUCCESS;
  } else {
    perror("rmdir_ex");
    return EXIT_FAILURE;
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
jge    117d <main+0x4d>
mov    0x2e89(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe99(%rip),%rsi
call   1040 <fprintf@plt>
mov    0x2e65(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11bd <main+0x8d>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <rmdir_ex@plt>
cmp    $0x0,%rax
jne    11a5 <main+0x75>
mov    0x2e35(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
jmp    11bd <main+0x8d>
lea    0xe66(%rip),%rdi
call   1050 <perror@plt>
mov    0x2e20(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x1,%edi
jg     1157 <main+0x27>
mov    0x2ea3(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xeb7(%rip),%rsi
call   1040 <fprintf@plt>
mov    0x2e83(%rip),%rax
jmp    116c <main+0x3c>
mov    0x8(%rsi),%rdi
call   1030 <rmdir_ex@plt>
test   %rax,%rax
jne    1170 <main+0x40>
mov    0x2e64(%rip),%rax
mov    (%rax),%eax
pop    %rcx
ret
lea    0xe9b(%rip),%rdi
call   1050 <perror@plt>
jmp    114e <main+0x1e>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [18 x i8] c"Syntax: %s <dir>\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
@.str.1 = [9 x i8] c"rmdir_ex\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = load i32, i32* %4
%7 = icmp slt i32 %6, 2
br i1 %7, label %8, label %15
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %12)
%14 = load i32, i32* @EXIT_FAILURE
store i32 %14, i32* %3
br label %26
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i64 @rmdir_ex(i8* %18)
%20 = icmp eq i64 %19, 0
br i1 %20, label %21, label %23
21: ; preds = %15
%22 = load i32, i32* @EXIT_SUCCESS
store i32 %22, i32* %3
br label %26
23: ; preds = %15
%24 = call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%25 = load i32, i32* @EXIT_FAILURE
store i32 %25, i32* %3
br label %26
26: ; preds = %23, %21, %8
%27 = load i32, i32* %3
ret i32 %27
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [18 x i8] c"Syntax: %s <dir>\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
@.str.1 = [9 x i8] c"rmdir_ex\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %8
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %15
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i64 @rmdir_ex(i8* %10)
%12 = icmp eq i64 %11, 0
br i1 %12, label %15, label %13
13: ; preds = %8
%14 = tail call i32 @perror(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
br label %15
15: ; preds = %8, %13, %4
%16 = phi i32* [ @EXIT_FAILURE, %4 ], [ @EXIT_FAILURE, %13 ], [ @EXIT_SUCCESS, %8 ]
%17 = load i32, i32* %16
ret i32 %17
}