#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*/ printf(char *);
int /*<<< orphan*/ update_user_info(char *, char *, char *);
int main(int argc, char *argv[]) {
  if (argc != 4) {
    printf("Error! Wrong params!\n");
    exit(1);
  }
  char *filename = argv[1];
  char *username = argv[2];
  char *password = argv[3];
  update_user_info(filename, username, password);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x4,-0x8(%rbp)
je     1166 <main+0x36>
lea    0xea9(%rip),%rdi
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rax
mov    %rax,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rax
mov    %rax,-0x20(%rbp)
mov    -0x10(%rbp),%rax
mov    0x18(%rax),%rax
mov    %rax,-0x28(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x20(%rbp),%rsi
mov    -0x28(%rbp),%rdx
call   1030 <update_user_info@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x4,%edi
jne    114e <main+0x1e>
mov    0x8(%rsi),%rdi
mov    0x10(%rsi),%rax
mov    0x18(%rsi),%rdx
mov    %rax,%rsi
call   1030 <update_user_info@plt>
xor    %eax,%eax
pop    %rcx
ret
lea    0xeab(%rip),%rdi
call   1040 <puts@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [22 x i8] c"Error! Wrong params!\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i8*
%7 = alloca i8*
%8 = alloca i8*
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%9 = load i32, i32* %4
%10 = icmp ne i32 %9, 4
br i1 %10, label %11, label %14
11: ; preds = %2
%12 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0))
%13 = call i32 @exit(i32 1)
unreachable
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
store i8* %17, i8** %6
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 2
%20 = load i8*, i8** %19
store i8* %20, i8** %7
%21 = load i8**, i8*** %5
%22 = getelementptr inbounds i8*, i8** %21, i64 3
%23 = load i8*, i8** %22
store i8* %23, i8** %8
%24 = load i8*, i8** %6
%25 = load i8*, i8** %7
%26 = load i8*, i8** %8
%27 = call i32 @update_user_info(i8* %24, i8* %25, i8* %26)
ret i32 0
}

LLVM IR (-O2):
@str = [21 x i8] c"Error! Wrong params!\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 4
br i1 %3, label %7, label %4
4: ; preds = %2
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str, i64 0, i64 0))
%6 = tail call i32 @exit(i32 1)
unreachable
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = getelementptr inbounds i8*, i8** %1, i64 2
%11 = load i8*, i8** %10
%12 = getelementptr inbounds i8*, i8** %1, i64 3
%13 = load i8*, i8** %12
%14 = tail call i32 @update_user_info(i8* %9, i8* %11, i8* %13)
ret i32 0
}