#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_FAILURE;
int EXIT_SUCCESS;
unsigned int *bread_file(char *);
int /*<<< orphan*/ exec_vm(unsigned int *);
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  if (sizeof(int) != 4) {
    fprintf(stderr, "Not 4 bytes...\n");
    exit(EXIT_FAILURE);
  }
  if (argc < 2) {
    fprintf(stderr, "Miss a file...\n");
    exit(EXIT_FAILURE);
  }
  unsigned int *program = bread_file(argv[1]);
  exec_vm(program);
  return EXIT_SUCCESS;
}


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)
jge    1183 <main+0x43>
mov    0x2e79(%rip),%rax
mov    (%rax),%edi
lea    0xe90(%rip),%rsi
call   1050 <fprintf@plt>
mov    0x2e5c(%rip),%rax
mov    (%rax),%edi
call   1060 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1030 <bread_file@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
call   1040 <exec_vm@plt>
mov    0x2e2c(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
cmp    $0x1,%edi
jle    1162 <main+0x22>
mov    0x8(%rsi),%rdi
call   1030 <bread_file@plt>
mov    %rax,%rdi
call   1040 <exec_vm@plt>
mov    0x2e72(%rip),%rax
mov    (%rax),%eax
pop    %rcx
ret
mov    0x2e77(%rip),%rax
mov    (%rax),%edi
lea    0xe8e(%rip),%rsi
call   1050 <fprintf@plt>
mov    0x2e5a(%rip),%rax
mov    (%rax),%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [16 x i8] c"Miss a file...\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
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 slt i32 %7, 2
br i1 %8, label %9, label %14
9: ; preds = %2
%10 = load i32, i32* @stderr
%11 = call i32 @fprintf(i32 %10, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
%12 = load i32, i32* @EXIT_FAILURE
%13 = call i32 @exit(i32 %12)
unreachable
14: ; preds = %2
%15 = load i8**, i8*** %5
%16 = getelementptr inbounds i8*, i8** %15, i64 1
%17 = load i8*, i8** %16
%18 = call i32* @bread_file(i8* %17)
store i32* %18, i32** %6
%19 = load i32*, i32** %6
%20 = call i32 @exec_vm(i32* %19)
%21 = load i32, i32* @EXIT_SUCCESS
ret i32 %21
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [16 x i8] c"Miss a file...\0A\00"
@EXIT_FAILURE = global i32 0
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp slt i32 %0, 2
br i1 %3, label %4, label %9
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
%7 = load i32, i32* @EXIT_FAILURE
%8 = tail call i32 @exit(i32 %7)
unreachable
9: ; preds = %2
%10 = getelementptr inbounds i8*, i8** %1, i64 1
%11 = load i8*, i8** %10
%12 = tail call i32* @bread_file(i8* %11)
%13 = tail call i32 @exec_vm(i32* %12)
%14 = load i32, i32* @EXIT_SUCCESS
ret i32 %14
}