#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 */
char *crypt(char *, char *);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, char *, ...);
int main(int argc, char *argv[]) {
  if (argc < 2) {
    printf("Usage: %s <plaintext password> <salt value>\n", argv[0]);
    exit(1);
  }
  printf("password \"%s\" with salt \"%s\" ", argv[1], argv[2]);
  printf("hashes to ==> %s\n", crypt(argv[1], argv[2]));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x4(%rbp)
jge    1168 <main+0x38>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xea9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rsi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdx
lea    0xeae(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1030 <crypt@plt>
mov    %rax,%rsi
lea    0xea6(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x1,%edi
jle    1171 <main+0x41>
mov    0x8(%rbx),%rsi
mov    0x10(%rbx),%rdx
lea    0xee5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0x8(%rbx),%rdi
mov    0x10(%rbx),%rsi
call   1030 <crypt@plt>
lea    0xee8(%rip),%rdi
mov    %rax,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret
mov    (%rbx),%rsi
lea    0xe85(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [45 x i8] c"Usage: %s <plaintext password> <salt value>\0A\00"
@.str.1 = [30 x i8] c"password \22%s\22 with salt \22%s\22 \00"
@.str.2 = [18 x i8] c"hashes to ==> %s\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i8**
store i32 %0, i32* %3
store i8** %1, i8*** %4
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 2
br i1 %6, label %7, label %13
7: ; preds = %2
%8 = load i8**, i8*** %4
%9 = getelementptr inbounds i8*, i8** %8, i64 0
%10 = load i8*, i8** %9
%11 = call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0), i8* %10)
%12 = call i32 @exit(i32 1)
unreachable
13: ; preds = %2
%14 = load i8**, i8*** %4
%15 = getelementptr inbounds i8*, i8** %14, i64 1
%16 = load i8*, i8** %15
%17 = load i8**, i8*** %4
%18 = getelementptr inbounds i8*, i8** %17, i64 2
%19 = load i8*, i8** %18
%20 = call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.1, i64 0, i64 0), i8* %16, i8* %19)
%21 = load i8**, i8*** %4
%22 = getelementptr inbounds i8*, i8** %21, i64 1
%23 = load i8*, i8** %22
%24 = load i8**, i8*** %4
%25 = getelementptr inbounds i8*, i8** %24, i64 2
%26 = load i8*, i8** %25
%27 = call i8* @crypt(i8* %23, i8* %26)
%28 = call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i8* %27)
ret i32 0
}

LLVM IR (-O2):
@.str = [45 x i8] c"Usage: %s <plaintext password> <salt value>\0A\00"
@.str.1 = [30 x i8] c"password \22%s\22 with salt \22%s\22 \00"
@.str.2 = [18 x i8] c"hashes to ==> %s\0A\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 i8*, i8** %1
%6 = tail call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = tail call i32 @exit(i32 1)
unreachable
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = getelementptr inbounds i8*, i8** %1, i64 2
%12 = load i8*, i8** %11
%13 = tail call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.1, i64 0, i64 0), i8* %10, i8* %12)
%14 = load i8*, i8** %9
%15 = load i8*, i8** %11
%16 = tail call i8* @crypt(i8* %14, i8* %15)
%17 = tail call i32 (i8*, i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.2, i64 0, i64 0), i8* %16)
ret i32 0
}