#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 */
unsigned short BUS_HOST;
size_t ID_BUS;
size_t ID_PRODUCT;
size_t ID_VENDOR;
int /*<<< orphan*/ logdebug(char *);
int evdev_is_lidswitch(unsigned short *id) {
  unsigned short product = id[ID_PRODUCT];
  if (id[ID_BUS] != BUS_HOST)
    return 0;
  if (id[ID_VENDOR] != 0)
    return 0;
  if (product == 0x0005) {
    logdebug(" -> ACPI LID switch\n");
    return 1;
  }
  return 0;
}


x86 assembly (clang, -O0):
<evdev_is_lidswitch>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    0x2eb1(%rip),%rcx
mov    (%rcx),%rcx
mov    (%rax,%rcx,2),%ax
mov    %ax,-0x12(%rbp)
mov    -0x10(%rbp),%rax
mov    0x2e8b(%rip),%rcx
mov    (%rcx),%rcx
movzwl (%rax,%rcx,2),%eax
mov    0x2e85(%rip),%rcx
movzwl (%rcx),%ecx
cmp    %ecx,%eax
je     1162 <evdev_is_lidswitch+0x52>
movl   $0x0,-0x4(%rbp)
jmp    11b5 <evdev_is_lidswitch+0xa5>
mov    -0x10(%rbp),%rax
mov    0x2e7b(%rip),%rcx
mov    (%rcx),%rcx
movzwl (%rax,%rcx,2),%eax
cmp    $0x0,%eax
je     1189 <evdev_is_lidswitch+0x79>
movl   $0x0,-0x4(%rbp)
jmp    11b5 <evdev_is_lidswitch+0xa5>
movzwl -0x12(%rbp),%eax
cmp    $0x5,%eax
jne    11ae <evdev_is_lidswitch+0x9e>
lea    0xe63(%rip),%rdi
call   1030 <logdebug@plt>
movl   $0x1,-0x4(%rbp)
jmp    11b5 <evdev_is_lidswitch+0xa5>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<evdev_is_lidswitch>:
push   %rax
mov    0x2eb0(%rip),%rax
mov    (%rax),%rax
movzwl (%rdi,%rax,2),%ecx
mov    0x2eaa(%rip),%rdx
xor    %eax,%eax
cmp    (%rdx),%cx
jne    1160 <evdev_is_lidswitch+0x50>
mov    0x2eb4(%rip),%rcx
mov    (%rcx),%rcx
cmpw   $0x0,(%rdi,%rcx,2)
jne    1160 <evdev_is_lidswitch+0x50>
mov    0x2e93(%rip),%rcx
mov    (%rcx),%rcx
cmpw   $0x5,(%rdi,%rcx,2)
jne    1160 <evdev_is_lidswitch+0x50>
lea    0xeaa(%rip),%rdi
call   1030 <logdebug@plt>
mov    $0x1,%eax
pop    %rcx
ret

LLVM IR (-O0):
@ID_PRODUCT = global i64 0
@ID_BUS = global i64 0
@BUS_HOST = global i16 0
@ID_VENDOR = global i64 0
@.str = [21 x i8] c" -> ACPI LID switch\0A\00"
define i32 @evdev_is_lidswitch(i16* %0) {
%2 = alloca i32
%3 = alloca i16*
%4 = alloca i16
store i16* %0, i16** %3
%5 = load i16*, i16** %3
%6 = load i64, i64* @ID_PRODUCT
%7 = getelementptr inbounds i16, i16* %5, i64 %6
%8 = load i16, i16* %7
store i16 %8, i16* %4
%9 = load i16*, i16** %3
%10 = load i64, i64* @ID_BUS
%11 = getelementptr inbounds i16, i16* %9, i64 %10
%12 = load i16, i16* %11
%13 = zext i16 %12 to i32
%14 = load i16, i16* @BUS_HOST
%15 = zext i16 %14 to i32
%16 = icmp ne i32 %13, %15
br i1 %16, label %17, label %18
17: ; preds = %1
store i32 0, i32* %2
br label %33
18: ; preds = %1
%19 = load i16*, i16** %3
%20 = load i64, i64* @ID_VENDOR
%21 = getelementptr inbounds i16, i16* %19, i64 %20
%22 = load i16, i16* %21
%23 = zext i16 %22 to i32
%24 = icmp ne i32 %23, 0
br i1 %24, label %25, label %26
25: ; preds = %18
store i32 0, i32* %2
br label %33
26: ; preds = %18
%27 = load i16, i16* %4
%28 = zext i16 %27 to i32
%29 = icmp eq i32 %28, 5
br i1 %29, label %30, label %32
30: ; preds = %26
%31 = call i32 @logdebug(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
store i32 1, i32* %2
br label %33
32: ; preds = %26
store i32 0, i32* %2
br label %33
33: ; preds = %32, %30, %25, %17
%34 = load i32, i32* %2
ret i32 %34
}

LLVM IR (-O2):
@ID_PRODUCT = global i64 0
@ID_BUS = global i64 0
@BUS_HOST = global i16 0
@ID_VENDOR = global i64 0
@.str = [21 x i8] c" -> ACPI LID switch\0A\00"
define i32 @evdev_is_lidswitch(i16* nocapture %0) {
%2 = load i64, i64* @ID_BUS
%3 = getelementptr inbounds i16, i16* %0, i64 %2
%4 = load i16, i16* %3
%5 = load i16, i16* @BUS_HOST
%6 = icmp eq i16 %4, %5
br i1 %6, label %7, label %19
7: ; preds = %1
%8 = load i64, i64* @ID_PRODUCT
%9 = getelementptr inbounds i16, i16* %0, i64 %8
%10 = load i16, i16* %9
%11 = load i64, i64* @ID_VENDOR
%12 = getelementptr inbounds i16, i16* %0, i64 %11
%13 = load i16, i16* %12
%14 = icmp eq i16 %13, 0
%15 = icmp eq i16 %10, 5
%16 = select i1 %14, i1 %15, i1 false
br i1 %16, label %17, label %19
17: ; preds = %7
%18 = tail call i32 @logdebug(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
br label %19
19: ; preds = %7, %1, %17
%20 = phi i32 [ 1, %17 ], [ 0, %1 ], [ 0, %7 ]
ret i32 %20
}