#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 /*<<< orphan*/ exit(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
scalar_t__ mount(char *, char *, char *, int /*<<< orphan*/,
                 int /*<<< orphan*/ *);
int /*<<< orphan*/ perror(char *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  if (argc != 5) {
    fprintf(stderr, "usage: mount -t vfstype device dir\n");
    exit(1);
  }
  if (mount(argv[3], argv[4], argv[2], 0, NULL) < 0) {
    perror("mount");
    exit(1);
  }
  exit(0);
}


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   $0x5,-0x8(%rbp)
je     117f <main+0x3f>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xe90(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x18(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x20(%rax),%rsi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdx
xor    %ecx,%ecx
xor    %eax,%eax
mov    %eax,%r8d
call   1030 <mount@plt>
cmp    $0x0,%rax
jge    11c3 <main+0x83>
lea    0xe70(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
xor    %edi,%edi
call   1060 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x5,%edi
jne    1177 <main+0x37>
mov    0x10(%rsi),%rdx
mov    0x18(%rsi),%rdi
mov    0x20(%rsi),%rsi
xor    %ecx,%ecx
xor    %r8d,%r8d
call   1030 <mount@plt>
test   %rax,%rax
jns    1196 <main+0x56>
lea    0xebc(%rip),%rdi
call   1050 <perror@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
mov    0x2e62(%rip),%rax
mov    (%rax),%edi
lea    0xe79(%rip),%rsi
call   1040 <fprintf@plt>
mov    $0x1,%edi
call   1060 <exit@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [36 x i8] c"usage: mount -t vfstype device dir\0A\00"
@.str.1 = [6 x i8] c"mount\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 ne i32 %6, 5
br i1 %7, label %8, label %12
8: ; preds = %2
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0))
%11 = call i32 @exit(i32 1)
unreachable
12: ; preds = %2
%13 = load i8**, i8*** %5
%14 = getelementptr inbounds i8*, i8** %13, i64 3
%15 = load i8*, i8** %14
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 4
%18 = load i8*, i8** %17
%19 = load i8**, i8*** %5
%20 = getelementptr inbounds i8*, i8** %19, i64 2
%21 = load i8*, i8** %20
%22 = call i64 @mount(i8* %15, i8* %18, i8* %21, i32 0, i32* null)
%23 = icmp slt i64 %22, 0
br i1 %23, label %24, label %27
24: ; preds = %12
%25 = call i32 @perror(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%26 = call i32 @exit(i32 1)
unreachable
27: ; preds = %12
%28 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [36 x i8] c"usage: mount -t vfstype device dir\0A\00"
@.str.1 = [6 x i8] c"mount\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 5
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str, i64 0, i64 0))
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 3
%10 = load i8*, i8** %9
%11 = getelementptr inbounds i8*, i8** %1, i64 4
%12 = load i8*, i8** %11
%13 = getelementptr inbounds i8*, i8** %1, i64 2
%14 = load i8*, i8** %13
%15 = tail call i64 @mount(i8* %10, i8* %12, i8* %14, i32 0, i32* null)
%16 = icmp slt i64 %15, 0
br i1 %16, label %17, label %20
17: ; preds = %8
%18 = tail call i32 @perror(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%19 = tail call i32 @exit(i32 1)
unreachable
20: ; preds = %8
%21 = tail call i32 @exit(i32 0)
unreachable
}