#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 /*<<< orphan*/);
int /*<<< orphan*/ printf(char *);
void usage(void) {
  printf("usage:\n");
  printf("  muxpect [-d] [-h] -f file\n");
  printf("    -d          debug\n");
  printf("    -h          show this help\n");
  printf("    -f file     chat script filename\n");
  printf("\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
call   1030 <printf@plt>
lea    0xee2(%rip),%rdi
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
call   1030 <printf@plt>
lea    0xe9f(%rip),%rdi
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xec8(%rip),%rdi
call   1040 <puts@plt>
lea    0xec3(%rip),%rdi
call   1040 <puts@plt>
lea    0xed3(%rip),%rdi
call   1040 <puts@plt>
lea    0xedd(%rip),%rdi
call   1040 <puts@plt>
lea    0xef0(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [8 x i8] c"usage:\0A\00"
@.str.1 = [29 x i8] c" muxpect [-d] [-h] -f file\0A\00"
@.str.2 = [23 x i8] c" -d debug\0A\00"
@.str.3 = [32 x i8] c" -h show this help\0A\00"
@.str.4 = [38 x i8] c" -f file chat script filename\0A\00"
@.str.5 = [2 x i8] c"\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@str = [7 x i8] c"usage:\00"
@str.6 = [28 x i8] c" muxpect [-d] [-h] -f file\00"
@str.7 = [22 x i8] c" -d debug\00"
@str.8 = [31 x i8] c" -h show this help\00"
@str.9 = [37 x i8] c" -f file chat script filename\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.6, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([31 x i8], [31 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @putchar(i32 10)
%7 = tail call i32 @exit(i32 0)
unreachable
}