#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 print_usage(const char *name) {
  printf("usage: %s [-vhdix?] <filename>\n", name);
  printf("\n"
         "   -d | --dump:                      dump intel firmware descriptor\n"
         "   -x | --extract:                   extract intel fd modules\n"
         "   -i | --inject <region>:<module>   inject file <module> into "
         "region <region>\n"
         "   -s | --spifreq <20|33|50>         set the SPI frequency\n"
         "   -e | --em100                      set SPI frequency to 20MHz and "
         "disable\n"
         "                                     Dual Output Fast Read Support\n"
         "   -l | --lock                       Lock firmware descriptor and ME "
         "region\n"
         "   -u | --unlock                     Unlock firmware descriptor and "
         "ME region\n"
         "   -v | --version:                   print the version\n"
         "   -h | --help:                      print this help\n\n"
         "<region> is one of Descriptor, BIOS, ME, GbE, Platform\n"
         "\n");
}


x86 assembly (clang, -O0):
<print_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    0xeeb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_usage>:
push   %rax
mov    %rdi,%rsi
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xee7(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [32 x i8] c"usage: %s [-vhdix?] <filename>\0A\00"
@.str.1 = [732 x i8] c"\0A -d | --dump: dump intel firmware descriptor\0A -x | --extract: extract intel fd modules\0A -i | --inject <region>:<module> inject file <module> into region <region>\0A -s | --spifreq <20|33|50> set the SPI frequency\0A -e | --em100 set SPI frequency to 20MHz and disable\0A Dual Output Fast Read Support\0A -l | --lock Lock firmware descriptor and ME region\0A -u | --unlock Unlock firmware descriptor and ME region\0A -v | --version: print the version\0A -h | --help: print this help\0A\0A<region> is one of Descriptor, BIOS, ME, GbE, Platform\0A\0A\00"
define void @print_usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([732 x i8], [732 x i8]* @.str.1, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [32 x i8] c"usage: %s [-vhdix?] <filename>\0A\00"
@str = [731 x i8] c"\0A -d | --dump: dump intel firmware descriptor\0A -x | --extract: extract intel fd modules\0A -i | --inject <region>:<module> inject file <module> into region <region>\0A -s | --spifreq <20|33|50> set the SPI frequency\0A -e | --em100 set SPI frequency to 20MHz and disable\0A Dual Output Fast Read Support\0A -l | --lock Lock firmware descriptor and ME region\0A -u | --unlock Unlock firmware descriptor and ME region\0A -v | --version: print the version\0A -h | --help: print this help\0A\0A<region> is one of Descriptor, BIOS, ME, GbE, Platform\0A\00"
define void @print_usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([731 x i8], [731 x i8]* @str, i64 0, i64 0))
ret void
}