#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 */
scalar_t__ dos2unix(char *, char *);
int /*<<< orphan*/ printf(char *, char *);
int main(int argc, char **argv) {
  int mainfd = 0;
  if (argc != 3) {
    printf("Usage: %s <in file> <out file>\n", argv[0]);
    return 1;
  }
  if (dos2unix(argv[1], argv[2]) < 0) {
    printf("dos2unix conversion failed, probably failed opening %s or creating "
           "temp.dat\n",
           argv[1]);
    return 1;
  }
  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,-0x14(%rbp)
cmpl   $0x3,-0x8(%rbp)
je     1166 <main+0x46>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xeab(%rip),%rdi
call   1030 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11ac <main+0x8c>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rsi
call   1040 <dos2unix@plt>
cmp    $0x0,%rax
jge    11a5 <main+0x85>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rsi
lea    0xe8c(%rip),%rdi
call   1030 <printf@plt>
movl   $0x1,-0x4(%rbp)
jmp    11ac <main+0x8c>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
mov    %rsi,%rbx
cmp    $0x3,%edi
jne    1142 <main+0x22>
mov    0x8(%rbx),%rdi
mov    0x10(%rbx),%rsi
call   1040 <dos2unix@plt>
mov    %rax,%rcx
xor    %eax,%eax
test   %rcx,%rcx
js     114b <main+0x2b>
pop    %rbx
ret
lea    0xeb7(%rip),%rdi
jmp    1156 <main+0x36>
add    $0x8,%rbx
lea    0xeca(%rip),%rdi
mov    (%rbx),%rsi
call   1030 <printf@plt>
mov    $0x1,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [32 x i8] c"Usage: %s <in file> <out file>\0A\00"
@.str.1 = [77 x i8] c"dos2unix conversion failed, probably failed opening %s or creating temp.dat\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
store i32 0, i32* %6
%7 = load i32, i32* %4
%8 = icmp ne i32 %7, 3
br i1 %8, label %9, label %14
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 ([32 x i8], [32 x i8]* @.str, i64 0, i64 0), i8* %12)
store i32 1, i32* %3
br label %29
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = load i8**, i8*** %5
%19 = getelementptr inbounds i8*, i8** %18, i64 2
%20 = load i8*, i8** %19
%21 = call i64 @dos2unix(i8* %17, i8* %20)
%22 = icmp slt i64 %21, 0
br i1 %22, label %23, label %28
23: ; preds = %14
%24 = load i8**, i8*** %5
%25 = getelementptr inbounds i8*, i8** %24, i64 1
%26 = load i8*, i8** %25
%27 = call i32 @printf(i8* getelementptr inbounds ([77 x i8], [77 x i8]* @.str.1, i64 0, i64 0), i8* %26)
store i32 1, i32* %3
br label %29
28: ; preds = %14
store i32 0, i32* %3
br label %29
29: ; preds = %28, %23, %9
%30 = load i32, i32* %3
ret i32 %30
}

LLVM IR (-O2):
@.str = [32 x i8] c"Usage: %s <in file> <out file>\0A\00"
@.str.1 = [77 x i8] c"dos2unix conversion failed, probably failed opening %s or creating temp.dat\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 3
br i1 %3, label %4, label %11
4: ; preds = %2
%5 = getelementptr inbounds i8*, i8** %1, i64 1
%6 = load i8*, i8** %5
%7 = getelementptr inbounds i8*, i8** %1, i64 2
%8 = load i8*, i8** %7
%9 = tail call i64 @dos2unix(i8* %6, i8* %8)
%10 = icmp slt i64 %9, 0
br i1 %10, label %11, label %16
11: ; preds = %4, %2
%12 = phi i8** [ %1, %2 ], [ %5, %4 ]
%13 = phi i8* [ getelementptr inbounds ([32 x i8], [32 x i8]* @.str, i64 0, i64 0), %2 ], [ getelementptr inbounds ([77 x i8], [77 x i8]* @.str.1, i64 0, i64 0), %4 ]
%14 = load i8*, i8** %12
%15 = tail call i32 @printf(i8* %13, i8* %14)
br label %16
16: ; preds = %11, %4
%17 = phi i32 [ 0, %4 ], [ 1, %11 ]
ret i32 %17
}