#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(void) {
  printf("Usage: xen_detect [options]\n");
  printf("Options:\n");
  printf("  -h, --help    Display this information\n");
  printf("  -q, --quiet   Quiesce normal informational output\n");
  printf("  -P, --pv      Exit status 1 if not running as PV guest\n");
  printf("  -H, --hvm     Exit status 1 if not running as HVM guest.\n");
  printf("  -N, --none    Exit status 1 if running on Xen (PV or HVM)\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef6(%rip),%rdi
call   1030 <printf@plt>
lea    0xef4(%rip),%rdi
call   1030 <printf@plt>
lea    0xf12(%rip),%rdi
call   1030 <printf@plt>
lea    0xf3b(%rip),%rdi
call   1030 <printf@plt>
lea    0xf69(%rip),%rdi
call   1030 <printf@plt>
lea    0xf99(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xf12(%rip),%rdi
call   1030 <puts@plt>
lea    0xf3a(%rip),%rdi
call   1030 <puts@plt>
lea    0xf67(%rip),%rdi
call   1030 <puts@plt>
lea    0xf96(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [29 x i8] c"Usage: xen_detect [options]\0A\00"
@.str.1 = [10 x i8] c"Options:\0A\00"
@.str.2 = [42 x i8] c" -h, --help Display this information\0A\00"
@.str.3 = [53 x i8] c" -q, --quiet Quiesce normal informational output\0A\00"
@.str.4 = [58 x i8] c" -P, --pv Exit status 1 if not running as PV guest\0A\00"
@.str.5 = [60 x i8] c" -H, --hvm Exit status 1 if not running as HVM guest.\0A\00"
@.str.6 = [61 x i8] c" -N, --none Exit status 1 if running on Xen (PV or HVM)\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.6, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [28 x i8] c"Usage: xen_detect [options]\00"
@str.7 = [9 x i8] c"Options:\00"
@str.8 = [41 x i8] c" -h, --help Display this information\00"
@str.9 = [52 x i8] c" -q, --quiet Quiesce normal informational output\00"
@str.10 = [57 x i8] c" -P, --pv Exit status 1 if not running as PV guest\00"
@str.11 = [59 x i8] c" -H, --hvm Exit status 1 if not running as HVM guest.\00"
@str.12 = [60 x i8] c" -N, --none Exit status 1 if running on Xen (PV or HVM)\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([9 x i8], [9 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([52 x i8], [52 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @str.12, i64 0, i64 0))
ret void
}