#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 *, unsigned int);
void operateBit() {
  unsigned int a = 7;
  unsigned int b = 15;
  unsigned int c = a & b;
  printf("UND: %u\n", c);
  c = a | b;
  printf("ODER: %u\n", c);
  c = a ^ b;
  printf("XOR: %u\n", c);
  c = ~b;
  printf("NICHT b: %u\n", c);
  c = b >> 1;
  printf("15 SHIFT 1 RECHTS: %u\n", c);
}


x86 assembly (clang, -O0):
<operateBit>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x7,-0x4(%rbp)
movl   $0xf,-0x8(%rbp)
mov    -0x4(%rbp),%eax
and    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xec7(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
or     -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xeb8(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
xor    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xeaa(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
xor    $0xffffffff,%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xe9b(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
shr    $0x1,%eax
mov    %eax,-0xc(%rbp)
mov    -0xc(%rbp),%esi
lea    0xe90(%rip),%rdi
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<operateBit>:
push   %rax
lea    0xee8(%rip),%rdi
mov    $0x7,%esi
call   1030 <printf@plt>
lea    0xee0(%rip),%rdi
mov    $0xf,%esi
call   1030 <printf@plt>
lea    0xed9(%rip),%rdi
mov    $0x8,%esi
call   1030 <printf@plt>
lea    0xed1(%rip),%rdi
mov    $0xfffffff0,%esi
call   1030 <printf@plt>
lea    0xecd(%rip),%rdi
mov    $0x7,%esi
pop    %rax
jmp    1030 <printf@plt>

LLVM IR (-O0):
@.str = [9 x i8] c"UND: %u\0A\00"
@.str.1 = [10 x i8] c"ODER: %u\0A\00"
@.str.2 = [9 x i8] c"XOR: %u\0A\00"
@.str.3 = [13 x i8] c"NICHT b: %u\0A\00"
@.str.4 = [23 x i8] c"15 SHIFT 1 RECHTS: %u\0A\00"
define void @operateBit() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 7, i32* %1
store i32 15, i32* %2
%4 = load i32, i32* %1
%5 = load i32, i32* %2
%6 = and i32 %4, %5
store i32 %6, i32* %3
%7 = load i32, i32* %3
%8 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = load i32, i32* %1
%10 = load i32, i32* %2
%11 = or i32 %9, %10
store i32 %11, i32* %3
%12 = load i32, i32* %3
%13 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = load i32, i32* %1
%15 = load i32, i32* %2
%16 = xor i32 %14, %15
store i32 %16, i32* %3
%17 = load i32, i32* %3
%18 = call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 %17)
%19 = load i32, i32* %2
%20 = xor i32 %19, -1
store i32 %20, i32* %3
%21 = load i32, i32* %3
%22 = call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %21)
%23 = load i32, i32* %2
%24 = lshr i32 %23, 1
store i32 %24, i32* %3
%25 = load i32, i32* %3
%26 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 %25)
ret void
}

LLVM IR (-O2):
@.str = [9 x i8] c"UND: %u\0A\00"
@.str.1 = [10 x i8] c"ODER: %u\0A\00"
@.str.2 = [9 x i8] c"XOR: %u\0A\00"
@.str.3 = [13 x i8] c"NICHT b: %u\0A\00"
@.str.4 = [23 x i8] c"15 SHIFT 1 RECHTS: %u\0A\00"
define void @operateBit() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i64 0, i64 0), i32 7)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i64 0, i64 0), i32 15)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i32 8)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 -16)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.4, i64 0, i64 0), i32 7)
ret void
}