#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 *, ...);
int main() {
  unsigned int i = 0;
  printf("Initial:\t\t%d\n", i);
  i |= (1U << 0);
  printf("i |=  (1U << 0):\t\t%u\n", i);
  i |= (1U << 1);
  printf("i |=  (1U << 1):\t\t%u\n", i);
  i &= ~(1U << 0);
  printf("i &= ~(1U << 0):\t\t%u\n", i);
  i ^= (1U << 2);
  printf("i ^=  (1U << 2):\t\t%u\n", i);
  printf("\n\n\n");
  printf("(1U << 14) | (1U << 15):\t%d\n", (1U << 1) | (1U << 0));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xed0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
or     $0x1,%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
or     $0x2,%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
and    $0xfffffffe,%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
xor    $0x4,%eax
mov    %eax,-0x8(%rbp)
mov    -0x8(%rbp),%esi
lea    0xeb8(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb6(%rip),%rdi
mov    $0x3,%esi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
xor    %esi,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed6(%rip),%rdi
mov    $0x1,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed9(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xedc(%rip),%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xedf(%rip),%rdi
mov    $0x6,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeff(%rip),%rdi
call   1030 <puts@plt>
lea    0xed6(%rip),%rdi
mov    $0x3,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [14 x i8] c"Initial:\09\09%d\0A\00"
@.str.1 = [22 x i8] c"i |= (1U << 0):\09\09%u\0A\00"
@.str.2 = [22 x i8] c"i |= (1U << 1):\09\09%u\0A\00"
@.str.3 = [22 x i8] c"i &= ~(1U << 0):\09\09%u\0A\00"
@.str.4 = [22 x i8] c"i ^= (1U << 2):\09\09%u\0A\00"
@.str.5 = [4 x i8] c"\0A\0A\0A\00"
@.str.6 = [29 x i8] c"(1U << 14) | (1U << 15):\09%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
%3 = load i32, i32* %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = load i32, i32* %2
%6 = or i32 %5, 1
store i32 %6, i32* %2
%7 = load i32, i32* %2
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %2
%10 = or i32 %9, 2
store i32 %10, i32* %2
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %2
%14 = and i32 %13, -2
store i32 %14, i32* %2
%15 = load i32, i32* %2
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 %15)
%17 = load i32, i32* %2
%18 = xor i32 %17, 4
store i32 %18, i32* %2
%19 = load i32, i32* %2
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.4, i64 0, i64 0), i32 %19)
%21 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0))
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.6, i64 0, i64 0), i32 3)
ret i32 0
}

LLVM IR (-O2):
@.str = [14 x i8] c"Initial:\09\09%d\0A\00"
@.str.1 = [22 x i8] c"i |= (1U << 0):\09\09%u\0A\00"
@.str.2 = [22 x i8] c"i |= (1U << 1):\09\09%u\0A\00"
@.str.3 = [22 x i8] c"i &= ~(1U << 0):\09\09%u\0A\00"
@.str.4 = [22 x i8] c"i ^= (1U << 2):\09\09%u\0A\00"
@.str.6 = [29 x i8] c"(1U << 14) | (1U << 15):\09%d\0A\00"
@str = [3 x i8] c"\0A\0A\00"
define i32 @main() {
%1 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0), i32 0)
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.1, i64 0, i64 0), i32 1)
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.2, i64 0, i64 0), i32 3)
%4 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.3, i64 0, i64 0), i32 2)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @.str.4, i64 0, i64 0), i32 6)
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str, i64 0, i64 0))
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @.str.6, i64 0, i64 0), i32 3)
ret i32 0
}