#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 */
typedef int /*<<< orphan*/ pthread_t;

/* Variables and functions */
int /*<<< orphan*/ hex2bin_start(char *);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  pthread_t th;
  int ret = 0, len = 0;
  if (argc != 2) {
    printf(" %s <File>\r\n", argv[0]);
    return 0;
  }
  hex2bin_start(argv[1]);
  printf("main bye bye\n");
  return 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)
movl   $0x0,-0x18(%rbp)
movl   $0x0,-0x1c(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     116f <main+0x4f>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
jmp    1191 <main+0x71>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <hex2bin_start@plt>
lea    0xe8a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x2,%edi
jne    114d <main+0x1d>
mov    0x8(%rsi),%rdi
call   1050 <hex2bin_start@plt>
lea    0xec7(%rip),%rdi
call   1030 <puts@plt>
jmp    115e <main+0x2e>
mov    (%rsi),%rsi
lea    0xea9(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [13 x i8] c" %s <File>\0D\0A\00"
@.str.1 = [14 x i8] c"main bye bye\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %7
store i32 0, i32* %8
%9 = load i32, i32* %4
%10 = icmp ne i32 %9, 2
br i1 %10, label %11, label %16
11: ; preds = %2
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* %14)
store i32 0, i32* %3
br label %22
16: ; preds = %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 @hex2bin_start(i8* %19)
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0))
store i32 0, i32* %3
br label %22
22: ; preds = %16, %11
%23 = load i32, i32* %3
ret i32 %23
}

LLVM IR (-O2):
@.str = [13 x i8] c" %s <File>\0D\0A\00"
@str = [13 x i8] c"main bye bye\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %7, label %4
4: ; preds = %2
%5 = load i8*, i8** %1
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i8* %5)
br label %12
7: ; preds = %2
%8 = getelementptr inbounds i8*, i8** %1, i64 1
%9 = load i8*, i8** %8
%10 = tail call i32 @hex2bin_start(i8* %9)
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @str, i64 0, i64 0))
br label %12
12: ; preds = %7, %4
ret i32 0
}