#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(char *argv[]) {
  printf("usage: %s -b <addr> -a <arch> -o <file>\n", argv[0]);
  printf("  -a\t architecture. Supported: x86_64\n");
  printf("  -b\t base address\n");
  printf("  -o\t the file to write to\n");
  printf("  -h\t show this help text\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rax
mov    (%rax),%rsi
lea    0xed6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xef1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf10(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf1e(%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    0xef0(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf11(%rip),%rdi
call   1030 <puts@plt>
lea    0xf20(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [41 x i8] c"usage: %s -b <addr> -a <arch> -o <file>\0A\00"
@.str.1 = [39 x i8] c" -a\09 architecture. Supported: x86_64\0A\00"
@.str.2 = [20 x i8] c" -b\09 base address\0A\00"
@.str.3 = [28 x i8] c" -o\09 the file to write to\0A\00"
@.str.4 = [27 x i8] c" -h\09 show this help text\0A\00"
define void @usage(i8** %0) {
%2 = alloca i8**
store i8** %0, i8*** %2
%3 = load i8**, i8*** %2
%4 = getelementptr inbounds i8*, i8** %3, i64 0
%5 = load i8*, i8** %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i8* %5)
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.1, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.3, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.4, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [41 x i8] c"usage: %s -b <addr> -a <arch> -o <file>\0A\00"
@str = [38 x i8] c" -a\09 architecture. Supported: x86_64\00"
@str.5 = [19 x i8] c" -b\09 base address\00"
@str.6 = [27 x i8] c" -o\09 the file to write to\00"
@str.7 = [26 x i8] c" -h\09 show this help text\00"
define void @usage(i8** nocapture %0) {
%2 = load i8*, i8** %0
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0), i8* %2)
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.5, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([27 x i8], [27 x i8]* @str.6, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.7, i64 0, i64 0))
ret void
}