#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 */
scalar_t__ in(int, int, int);
int u8isuppercyrilici(int n) {
  return in(n, 0x400, 0x42F) ||
         ((in(n, 0x460, 0x480) || in(n, 0x48A, 0x52E)) && n % 2 == 0);
}


x86 assembly (clang, -O0):
<u8isuppercyrilici>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0x4(%rbp)
mov    -0x4(%rbp),%edi
mov    $0x400,%esi
mov    $0x42f,%edx
call   1030 <in@plt>
mov    %rax,%rcx
mov    $0x1,%al
cmp    $0x0,%rcx
mov    %al,-0x5(%rbp)
jne    1199 <u8isuppercyrilici+0x89>
mov    -0x4(%rbp),%edi
mov    $0x460,%esi
mov    $0x480,%edx
call   1030 <in@plt>
cmp    $0x0,%rax
jne    117f <u8isuppercyrilici+0x6f>
mov    -0x4(%rbp),%edi
mov    $0x48a,%esi
mov    $0x52e,%edx
call   1030 <in@plt>
mov    %rax,%rcx
xor    %eax,%eax
cmp    $0x0,%rcx
mov    %al,-0x6(%rbp)
je     1193 <u8isuppercyrilici+0x83>
mov    -0x4(%rbp),%eax
mov    $0x2,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
sete   %al
mov    %al,-0x6(%rbp)
mov    -0x6(%rbp),%al
mov    %al,-0x5(%rbp)
mov    -0x5(%rbp),%al
and    $0x1,%al
movzbl %al,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<u8isuppercyrilici>:
push   %rbx
mov    %edi,%ebx
mov    $0x400,%esi
mov    $0x42f,%edx
call   1030 <in@plt>
mov    %rax,%rcx
mov    $0x1,%eax
test   %rcx,%rcx
je     1131 <u8isuppercyrilici+0x21>
pop    %rbx
ret
mov    %ebx,%edi
mov    $0x460,%esi
mov    $0x480,%edx
call   1030 <in@plt>
test   %rax,%rax
jne    115d <u8isuppercyrilici+0x4d>
mov    %ebx,%edi
mov    $0x48a,%esi
mov    $0x52e,%edx
call   1030 <in@plt>
test   %rax,%rax
je     1166 <u8isuppercyrilici+0x56>
not    %ebx
and    $0x1,%ebx
mov    %ebx,%eax
pop    %rbx
ret
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
define i32 @u8isuppercyrilici(i32 %0) {
%2 = alloca i32
store i32 %0, i32* %2
%3 = load i32, i32* %2
%4 = call i64 @in(i32 %3, i32 1024, i32 1071)
%5 = icmp ne i64 %4, 0
br i1 %5, label %20, label %6
6: ; preds = %1
%7 = load i32, i32* %2
%8 = call i64 @in(i32 %7, i32 1120, i32 1152)
%9 = icmp ne i64 %8, 0
br i1 %9, label %14, label %10
10: ; preds = %6
%11 = load i32, i32* %2
%12 = call i64 @in(i32 %11, i32 1162, i32 1326)
%13 = icmp ne i64 %12, 0
br i1 %13, label %14, label %18
14: ; preds = %10, %6
%15 = load i32, i32* %2
%16 = srem i32 %15, 2
%17 = icmp eq i32 %16, 0
br label %18
18: ; preds = %14, %10
%19 = phi i1 [ false, %10 ], [ %17, %14 ]
br label %20
20: ; preds = %18, %1
%21 = phi i1 [ true, %1 ], [ %19, %18 ]
%22 = zext i1 %21 to i32
ret i32 %22
}

LLVM IR (-O2):
define i32 @u8isuppercyrilici(i32 %0) {
%2 = tail call i64 @in(i32 %0, i32 1024, i32 1071)
%3 = icmp eq i64 %2, 0
br i1 %3, label %4, label %13
4: ; preds = %1
%5 = tail call i64 @in(i32 %0, i32 1120, i32 1152)
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %10
7: ; preds = %4
%8 = tail call i64 @in(i32 %0, i32 1162, i32 1326)
%9 = icmp eq i64 %8, 0
br i1 %9, label %13, label %10
10: ; preds = %7, %4
%11 = and i32 %0, 1
%12 = xor i32 %11, 1
br label %13
13: ; preds = %7, %10, %1
%14 = phi i32 [ 1, %1 ], [ 0, %7 ], [ %12, %10 ]
ret i32 %14
}