#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() {
  printf("half-sign <private key file> [binary hash file]\n");
  printf("\n");
  printf("    Computes and prints a binary RSA signature over data given the "
         "SHA256 hash of\n");
  printf("    the data as input.\n");
  printf("\n");
  printf("    <private key file> should be PEM encoded.\n");
  printf("\n");
  printf("    The input SHA256 hash should be %d bytes in length. If no binary "
         "hash file is\n",
         32);
  printf("    specified, it will be read from stdin.\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf90(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf2f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf2b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf4a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf3e(%rip),%rdi
mov    $0x20,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf7e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xf0b(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf25(%rip),%rdi
call   1040 <puts@plt>
lea    0xf6b(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xf6c(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe6a(%rip),%rdi
mov    $0x20,%esi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xf71(%rip),%rdi
call   1040 <puts@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [49 x i8] c"half-sign <private key file> [binary hash file]\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [83 x i8] c" Computes and prints a binary RSA signature over data given the SHA256 hash of\0A\00"
@.str.3 = [24 x i8] c" the data as input.\0A\00"
@.str.4 = [47 x i8] c" <private key file> should be PEM encoded.\0A\00"
@.str.5 = [83 x i8] c" The input SHA256 hash should be %d bytes in length. If no binary hash file is\0A\00"
@.str.6 = [44 x i8] c" specified, it will be read from stdin.\0A\00"
define void @usage() {
%1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str, i64 0, i64 0))
%2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([83 x i8], [83 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([83 x i8], [83 x i8]* @.str.5, i64 0, i64 0), i32 32)
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.6, i64 0, i64 0))
%10 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@.str.5 = [83 x i8] c" The input SHA256 hash should be %d bytes in length. If no binary hash file is\0A\00"
@str = [48 x i8] c"half-sign <private key file> [binary hash file]\00"
@str.7 = [82 x i8] c" Computes and prints a binary RSA signature over data given the SHA256 hash of\00"
@str.8 = [23 x i8] c" the data as input.\00"
@str.9 = [46 x i8] c" <private key file> should be PEM encoded.\00"
@str.10 = [43 x i8] c" specified, it will be read from stdin.\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @putchar(i32 10)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([82 x i8], [82 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @putchar(i32 10)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.9, i64 0, i64 0))
%7 = tail call i32 @putchar(i32 10)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([83 x i8], [83 x i8]* @.str.5, i64 0, i64 0), i32 32)
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.10, i64 0, i64 0))
%10 = tail call i32 @exit(i32 1)
unreachable
}