#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*/ printf(char *, ...);
void usage(const char *exec) {
  printf("Usage %s [options] input\n", exec);
  printf("-h\t--help\t\tprint this help\n");
  printf("-v\t--version\tprint version info\n");
  printf("-d\t--decode\tdecode base64 input\n");
  printf("-o\t--output\twrite output to file (instead of stdout)\n");
  printf("-s\t--stats\t\tprint stats (if output present)\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf06(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf19(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf41(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee1(%rip),%rdi
call   1030 <puts@plt>
lea    0xef0(%rip),%rdi
call   1030 <puts@plt>
lea    0xf04(%rip),%rdi
call   1030 <puts@plt>
lea    0xf18(%rip),%rdi
call   1030 <puts@plt>
lea    0xf41(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [26 x i8] c"Usage %s [options] input\0A\00"
@.str.1 = [28 x i8] c"-h\09--help\09\09print this help\0A\00"
@.str.2 = [33 x i8] c"-v\09--version\09print version info\0A\00"
@.str.3 = [33 x i8] c"-d\09--decode\09decode base64 input\0A\00"
@.str.4 = [54 x i8] c"-o\09--output\09write output to file (instead of stdout)\0A\00"
@.str.5 = [45 x i8] c"-s\09--stats\09\09print stats (if output present)\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [26 x i8] c"Usage %s [options] input\0A\00"
@str = [27 x i8] c"-h\09--help\09\09print this help\00"
@str.6 = [32 x i8] c"-v\09--version\09print version info\00"
@str.7 = [32 x i8] c"-d\09--decode\09decode base64 input\00"
@str.8 = [53 x i8] c"-o\09--output\09write output to file (instead of stdout)\00"
@str.9 = [44 x i8] c"-s\09--stats\09\09print stats (if output present)\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.6, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.7, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.8, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str.9, i64 0, i64 0))
ret void
}