#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 atoi(char *);
int /*<<< orphan*/ driver(int);
int /*<<< orphan*/ exit(int);
int /*<<< orphan*/ printf(char *, char *);
main(int argc, char **argv) {
  int size;
  if (argc != 2) {
    printf("Driver for Data Encryption Standard benchmark.\n"
           "\n"
           "usage: %s <size> (where size <= 34)\n"
           "\n"
           "size is the number of processing node for hardware version \n"
           "\n",
           argv[0]);
    exit(-1);
  };
  size = atoi(argv[1]);
  if (size > 34) {
    printf("Driver for Data Encryption Standard benchmark.\n"
           "\n"
           "usage: %s <size> (where size <= 34)\n"
           "\n"
           "size is the number of processing node for hardware version \n"
           "\n",
           argv[0]);
    exit(-1);
  }
  driver(size);
  exit(0);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     117d <main+0x3d>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe92(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1050 <atoi@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0x22,-0x14(%rbp)
jle    11b4 <main+0x74>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xe5b(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
mov    -0x14(%rbp),%edi
call   1040 <driver@plt>
xor    %edi,%edi
call   1060 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x2,%edi
jne    1157 <main+0x17>
mov    0x8(%rbx),%rdi
call   1050 <atoi@plt>
cmp    $0x23,%eax
jl     1170 <main+0x30>
mov    (%rbx),%rsi
lea    0xe9f(%rip),%rdi
call   1030 <printf@plt>
mov    $0xffffffff,%edi
call   1060 <exit@plt>
mov    %eax,%edi
call   1040 <driver@plt>
xor    %edi,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [147 x i8] c"Driver for Data Encryption Standard benchmark.\0A\0Ausage: %s <size> (where size <= 34)\0A\0Asize is the number of processing node for hardware version \0A\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%7 = load i32, i32* %4
%8 = icmp ne i32 %7, 2
br i1 %8, label %9, label %15
9: ; preds = %2
%10 = load i8**, i8*** %5
%11 = getelementptr inbounds i8*, i8** %10, i64 0
%12 = load i8*, i8** %11
%13 = call i32 @printf(i8* getelementptr inbounds ([147 x i8], [147 x i8]* @.str, i64 0, i64 0), i8* %12)
%14 = call i32 @exit(i32 -1)
unreachable
15: ; preds = %2
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 1
%18 = load i8*, i8** %17
%19 = call i32 @atoi(i8* %18)
store i32 %19, i32* %6
%20 = load i32, i32* %6
%21 = icmp sgt i32 %20, 34
br i1 %21, label %22, label %28
22: ; preds = %15
%23 = load i8**, i8*** %5
%24 = getelementptr inbounds i8*, i8** %23, i64 0
%25 = load i8*, i8** %24
%26 = call i32 @printf(i8* getelementptr inbounds ([147 x i8], [147 x i8]* @.str, i64 0, i64 0), i8* %25)
%27 = call i32 @exit(i32 -1)
unreachable
28: ; preds = %15
%29 = load i32, i32* %6
%30 = call i32 @driver(i32 %29)
%31 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [147 x i8] c"Driver for Data Encryption Standard benchmark.\0A\0Ausage: %s <size> (where size <= 34)\0A\0Asize is the number of processing node for hardware version \0A\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 @printf(i8* getelementptr inbounds ([147 x i8], [147 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 = tail call i32 @atoi(i8* %10)
%12 = icmp sgt i32 %11, 34
br i1 %12, label %13, label %17
13: ; preds = %8
%14 = load i8*, i8** %1
%15 = tail call i32 @printf(i8* getelementptr inbounds ([147 x i8], [147 x i8]* @.str, i64 0, i64 0), i8* %14)
%16 = tail call i32 @exit(i32 -1)
unreachable
17: ; preds = %8
%18 = tail call i32 @driver(i32 %11)
%19 = tail call i32 @exit(i32 0)
unreachable
}