#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 *filename) {
  printf("\n\n");
  printf("usage:\n");
  printf("%s analyze <input file>\n", filename);
  printf("%s decrypt <ssrc> <key> <input file>\n", filename);
  printf("%s help [analyze|decrypt|info]\n", filename);
  printf("\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
lea    0xedd(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xec8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xecf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xee3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe8c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xf02(%rip),%rdi
call   1040 <puts@plt>
lea    0xf18(%rip),%rdi
call   1040 <puts@plt>
lea    0xead(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeb5(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xeca(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
pop    %rbx
jmp    1030 <putchar@plt>

LLVM IR (-O0):
@.str = [3 x i8] c"\0A\0A\00"
@.str.1 = [8 x i8] c"usage:\0A\00"
@.str.2 = [25 x i8] c"%s analyze <input file>\0A\00"
@.str.3 = [38 x i8] c"%s decrypt <ssrc> <key> <input file>\0A\00"
@.str.4 = [32 x i8] c"%s help [analyze|decrypt|info]\0A\00"
@.str.5 = [2 x i8] c"\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%5 = load i8*, i8** %2
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i8* %5)
%7 = load i8*, i8** %2
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.3, i64 0, i64 0), i8* %7)
%9 = load i8*, i8** %2
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0), i8* %9)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str.2 = [25 x i8] c"%s analyze <input file>\0A\00"
@.str.3 = [38 x i8] c"%s decrypt <ssrc> <key> <input file>\0A\00"
@.str.4 = [32 x i8] c"%s help [analyze|decrypt|info]\0A\00"
@str = [2 x i8] c"\0A\00"
@str.6 = [7 x i8] c"usage:\00"
define void @usage(i8* %0) {
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.6, i64 0, i64 0))
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @.str.2, i64 0, i64 0), i8* %0)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @.str.3, i64 0, i64 0), i8* %0)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.4, i64 0, i64 0), i8* %0)
%7 = tail call i32 @putchar(i32 10)
ret void
}