#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*/ exit(int);
int /*<<< orphan*/ printf(char *, ...);
int main(int argc, char *argv[]) {
  int v, v2;
  if (argc < 2) {
    printf("Usage: %s exit_status\n", argv[0]);
    exit(1);
  }
  v = atoi(argv[1]);
  v2 = (((unsigned int)v) & 0377);
  printf("exit status = %d\n", v);
  printf("exit status = %d\n", v2);
  exit(v);
  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)
cmpl   $0x2,-0x8(%rbp)
jge    116f <main+0x3f>
mov    -0x10(%rbp),%rax
mov    (%rax),%rsi
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1040 <atoi@plt>
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%eax
and    $0xff,%eax
mov    %eax,-0x18(%rbp)
mov    -0x14(%rbp),%esi
lea    0xe83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%esi
lea    0xe72(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
cmp    $0x1,%edi
jg     1154 <main+0x24>
mov    (%rsi),%rsi
lea    0xebd(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>
mov    0x8(%rsi),%rdi
call   1040 <atoi@plt>
mov    %eax,%ebx
movzbl %bl,%ebp
lea    0xeae(%rip),%r14
mov    %r14,%rdi
mov    %eax,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %r14,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1030 <printf@plt>
mov    %ebx,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [23 x i8] c"Usage: %s exit_status\0A\00"
@.str.1 = [18 x i8] c"exit status = %d\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %8, 2
br i1 %9, label %10, label %16
10: ; preds = %2
%11 = load i8**, i8*** %5
%12 = getelementptr inbounds i8*, i8** %11, i64 0
%13 = load i8*, i8** %12
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %13)
%15 = call i32 @exit(i32 1)
unreachable
16: ; preds = %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 @atoi(i8* %19)
store i32 %20, i32* %6
%21 = load i32, i32* %6
%22 = and i32 %21, 255
store i32 %22, i32* %7
%23 = load i32, i32* %6
%24 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 %23)
%25 = load i32, i32* %7
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 %25)
%27 = load i32, i32* %6
%28 = call i32 @exit(i32 %27)
unreachable
}

LLVM IR (-O2):
@.str = [23 x i8] c"Usage: %s exit_status\0A\00"
@.str.1 = [18 x i8] c"exit status = %d\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*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 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 = and i32 %11, 255
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 %11)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%15 = tail call i32 @exit(i32 %11)
unreachable
}