#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(int);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(stderr, "mpack version %s\n", "1.6");
  fprintf(stderr, "usage: mpack [-s subj] [-d file] [-m maxsize] [-c "
                  "content-type] file address...\n");
  fprintf(stderr, "       mpack [-s subj] [-d file] [-m maxsize] [-c "
                  "content-type] -o file file\n");
  fprintf(stderr, "       mpack [-s subj] [-d file] [-m maxsize] [-c "
                  "content-type] -n groups file\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2eb5(%rip),%rax
mov    (%rax),%edi
lea    0xecc(%rip),%rsi
lea    0xed7(%rip),%rdx
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e97(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e80(%rip),%rax
mov    (%rax),%edi
lea    0xefe(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e69(%rip),%rax
mov    (%rax),%edi
lea    0xf35(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2eb8(%rip),%rbx
mov    (%rbx),%edi
lea    0xecf(%rip),%rsi
lea    0xeda(%rip),%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xece(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf0f(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4d(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [18 x i8] c"mpack version %s\0A\00"
@.str.1 = [4 x i8] c"1.6\00"
@.str.2 = [81 x i8] c"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\0A\00"
@.str.3 = [78 x i8] c" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\0A\00"
@.str.4 = [80 x i8] c" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([81 x i8], [81 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [18 x i8] c"mpack version %s\0A\00"
@.str.1 = [4 x i8] c"1.6\00"
@.str.2 = [81 x i8] c"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\0A\00"
@.str.3 = [78 x i8] c" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\0A\00"
@.str.4 = [80 x i8] c" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 (i32, i8*, ...) @fprintf(i32 %1, i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([81 x i8], [81 x i8]* @.str.2, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 (i32, i8*, ...) @fprintf(i32 %5, i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.3, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 (i32, i8*, ...) @fprintf(i32 %7, i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.4, i64 0, i64 0))
%9 = tail call i32 @exit(i32 1)
unreachable
}