#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*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void usage(void) {
  fprintf(stderr, "usage: test_snis_dmx <device>\n");
  fprintf(stderr, "       Where device is a serial port connected to a DMX "
                  "device chain.\n");
  fprintf(stderr, "       If everything works correctly, all the lights in the "
                  "chain should\n");
  fprintf(stderr, "       blink once every two seconds twenty times.\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2ec5(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2eb0(%rip),%rax
mov    (%rax),%edi
lea    0xee6(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e9b(%rip),%rax
mov    (%rax),%edi
lea    0xf18(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e86(%rip),%rax
mov    (%rax),%edi
lea    0xf4d(%rip),%rsi
call   1030 <fprintf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    0x2ec8(%rip),%rbx
mov    (%rbx),%edi
lea    0xedf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef0(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf29(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf65(%rip),%rsi
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [31 x i8] c"usage: test_snis_dmx <device>\0A\00"
@.str.1 = [71 x i8] c" Where device is a serial port connected to a DMX device chain.\0A\00"
@.str.2 = [74 x i8] c" If everything works correctly, all the lights in the chain should\0A\00"
@.str.3 = [51 x i8] c" blink once every two seconds twenty times.\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.3, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [31 x i8] c"usage: test_snis_dmx <device>\0A\00"
@.str.1 = [71 x i8] c" Where device is a serial port connected to a DMX device chain.\0A\00"
@.str.2 = [74 x i8] c" If everything works correctly, all the lights in the chain should\0A\00"
@.str.3 = [51 x i8] c" blink once every two seconds twenty times.\0A\00"
define void @usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([71 x i8], [71 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.3, i64 0, i64 0))
ret void
}