#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*/ printf(char *);
void usage(void) {
  printf("\n");
  printf("usage: moth\n");
  printf("\n");
  printf("    Open_gl demo.\n");
  printf("\n");
  printf("  Options:\n");
  printf("    Press the right mouse button for very limited options.\n");
  printf("\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
call   1030 <printf@plt>
lea    0xedb(%rip),%rdi
call   1030 <printf@plt>
lea    0xebe(%rip),%rdi
call   1030 <printf@plt>
lea    0xec3(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
lea    0xe9f(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xebe(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xeb4(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xeb0(%rip),%rdi
call   1040 <puts@plt>
lea    0xeaf(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"\0A\00"
@.str.1 = [13 x i8] c"usage: moth\0A\00"
@.str.2 = [19 x i8] c" Open_gl demo.\0A\00"
@.str.3 = [12 x i8] c" Options:\0A\00"
@.str.4 = [60 x i8] c" Press the right mouse button for very limited options.\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.4, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
%9 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@str = [12 x i8] c"usage: moth\00"
@str.5 = [18 x i8] c" Open_gl demo.\00"
@str.6 = [11 x i8] c" Options:\00"
@str.7 = [59 x i8] c" Press the right mouse button for very limited options.\00"
define void @usage() {
%1 = tail call i32 @putchar(i32 10)
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @putchar(i32 10)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.5, i64 0, i64 0))
%5 = tail call i32 @putchar(i32 10)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @str.6, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.7, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @exit(i32 1)
unreachable
}