#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
int /*<<< orphan*/ fprintf(int /*<<< orphan*/ *, char *);
void usage(FILE *stream) {
  fprintf(stream, "make-dns-cert\n");
  fprintf(stream, "\t-f\tfingerprint\n");
  fprintf(stream, "\t-u\tURL\n");
  fprintf(stream, "\t-k\tkey file\n");
  fprintf(stream, "\t-n\tDNS name\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%rdi
lea    0xed8(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%rdi
lea    0xed2(%rip),%rsi
call   1030 <fprintf@plt>
mov    -0x8(%rbp),%rdi
lea    0xed0(%rip),%rsi
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rdi
mov    $0xe,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1030 <fwrite@plt>
lea    0xedb(%rip),%rdi
mov    $0x10,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1030 <fwrite@plt>
lea    0xed3(%rip),%rdi
mov    $0x8,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1030 <fwrite@plt>
lea    0xec3(%rip),%rdi
mov    $0xd,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
call   1030 <fwrite@plt>
lea    0xeb8(%rip),%rdi
mov    $0xd,%esi
mov    $0x1,%edx
mov    %rbx,%rcx
pop    %rbx
jmp    1030 <fwrite@plt>

LLVM IR (-O0):
@.str = [15 x i8] c"make-dns-cert\0A\00"
@.str.1 = [17 x i8] c"\09-f\09fingerprint\0A\00"
@.str.2 = [9 x i8] c"\09-u\09URL\0A\00"
@.str.3 = [14 x i8] c"\09-k\09key file\0A\00"
@.str.4 = [14 x i8] c"\09-n\09DNS name\0A\00"
define void @usage(i32* %0) {
%2 = alloca i32*
store i32* %0, i32** %2
%3 = load i32*, i32** %2
%4 = call i32 @fprintf(i32* %3, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
%5 = load i32*, i32** %2
%6 = call i32 @fprintf(i32* %5, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0))
%7 = load i32*, i32** %2
%8 = call i32 @fprintf(i32* %7, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0))
%9 = load i32*, i32** %2
%10 = call i32 @fprintf(i32* %9, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0))
%11 = load i32*, i32** %2
%12 = call i32 @fprintf(i32* %11, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [15 x i8] c"make-dns-cert\0A\00"
@.str.1 = [17 x i8] c"\09-f\09fingerprint\0A\00"
@.str.2 = [9 x i8] c"\09-u\09URL\0A\00"
@.str.3 = [14 x i8] c"\09-k\09key file\0A\00"
@.str.4 = [14 x i8] c"\09-n\09DNS name\0A\00"
define void @usage(i32* nocapture %0) {
%2 = tail call i64 @fwrite(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i64 14, i64 1, i32* %0)
%3 = tail call i64 @fwrite(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0), i64 16, i64 1, i32* %0)
%4 = tail call i64 @fwrite(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i64 8, i64 1, i32* %0)
%5 = tail call i64 @fwrite(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.3, i64 0, i64 0), i64 13, i64 1, i32* %0)
%6 = tail call i64 @fwrite(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4, i64 0, i64 0), i64 13, i64 1, i32* %0)
ret void
}