#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 shell_help(char **argv) {
  printf("Usage: %s [options]|[map]\n", argv[0]);
  printf("Options:\n========\n");
  printf("  --help			Display this information\n");
  printf("  --maps			Display all available maps\n");
  printf("  --config			Display configuration data\n");
  exit(0);
}


x86 assembly (clang, -O0):
<shell_help>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
mov    (%rax),%rsi
lea    0xec6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeef(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf08(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<shell_help>:
push   %rax
mov    (%rdi),%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed2(%rip),%rdi
call   1030 <puts@plt>
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef0(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0a(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [27 x i8] c"Usage: %s [options]|[map]\0A\00"
@.str.1 = [19 x i8] c"Options:\0A========\0A\00"
@.str.2 = [37 x i8] c" --help\09\09\09Display this information\0A\00"
@.str.3 = [39 x i8] c" --maps\09\09\09Display all available maps\0A\00"
@.str.4 = [41 x i8] c" --config\09\09\09Display configuration data\0A\00"
define void @shell_help(i8** %0) {
%2 = alloca i8**
store i8** %0, i8*** %2
%3 = load i8**, i8*** %2
%4 = getelementptr inbounds i8*, i8** %3, i64 0
%5 = load i8*, i8** %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i64 0, i64 0))
%11 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [27 x i8] c"Usage: %s [options]|[map]\0A\00"
@str = [18 x i8] c"Options:\0A========\00"
@str.5 = [36 x i8] c" --help\09\09\09Display this information\00"
@str.6 = [38 x i8] c" --maps\09\09\09Display all available maps\00"
@str.7 = [40 x i8] c" --config\09\09\09Display configuration data\00"
define void @shell_help(i8** nocapture %0) {
%2 = load i8*, i8** %0
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %2)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.5, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.6, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.7, i64 0, i64 0))
%8 = tail call i32 @exit(i32 0)
unreachable
}