#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*/ displayBits(unsigned int);
int /*<<< orphan*/ printf(char *, ...);
int main() {
  unsigned number1;
  number1 = 65535;
  printf("The result of right shifting the following\n");
  displayBits(number1);
  printf("is\n");
  displayBits(number1 >> 4);
  printf("\n\nsize of int (same as long int) = %d\n", sizeof(int));
  printf("size of short                  = %d\n", sizeof(short));
  printf("size of long                   = %d\n", sizeof(long));
  printf("size of long long int          = %d\n", sizeof(long long int));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xffff,-0x8(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%edi
call   1040 <displayBits@plt>
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%edi
shr    $0x4,%edi
call   1040 <displayBits@plt>
lea    0xec4(%rip),%rdi
mov    $0x4,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed8(%rip),%rdi
mov    $0x2,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x8,%esi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xefc(%rip),%rdi
mov    $0x8,%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    0xf5e(%rip),%rdi
call   1030 <puts@plt>
mov    $0xffff,%edi
call   1050 <displayBits@plt>
lea    0xf73(%rip),%rdi
call   1030 <puts@plt>
mov    $0xfff,%edi
call   1050 <displayBits@plt>
lea    0xe9c(%rip),%rdi
mov    $0x4,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb0(%rip),%rdi
mov    $0x2,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xec2(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xed4(%rip),%rdi
mov    $0x8,%esi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [44 x i8] c"The result of right shifting the following\0A\00"
@.str.1 = [4 x i8] c"is\0A\00"
@.str.2 = [39 x i8] c"\0A\0Asize of int (same as long int) = %d\0A\00"
@.str.3 = [37 x i8] c"size of short = %d\0A\00"
@.str.4 = [37 x i8] c"size of long = %d\0A\00"
@.str.5 = [37 x i8] c"size of long long int = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 65535, i32* %2
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0))
%4 = load i32, i32* %2
%5 = call i32 @displayBits(i32 %4)
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%7 = load i32, i32* %2
%8 = lshr i32 %7, 4
%9 = call i32 @displayBits(i32 %8)
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i64 4)
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), i64 2)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.4, i64 0, i64 0), i64 8)
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.5, i64 0, i64 0), i64 8)
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [39 x i8] c"\0A\0Asize of int (same as long int) = %d\0A\00"
@.str.3 = [37 x i8] c"size of short = %d\0A\00"
@.str.4 = [37 x i8] c"size of long = %d\0A\00"
@.str.5 = [37 x i8] c"size of long long int = %d\0A\00"
@str = [43 x i8] c"The result of right shifting the following\00"
@str.6 = [3 x i8] c"is\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @displayBits(i32 65535)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @str.6, i64 0, i64 0))
%4 = tail call i32 @displayBits(i32 4095)
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.2, i64 0, i64 0), i64 4)
%6 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.3, i64 0, i64 0), i64 2)
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.4, i64 0, i64 0), i64 8)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @.str.5, i64 0, i64 0), i64 8)
ret i32 0
}