#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 right_rotate_n_bits(unsigned int, int);
int /*<<< orphan*/ scanf(char *, ...);
int /*<<< orphan*/ showbits(unsigned int);
int main() {
  unsigned int num;
  int bits;
  printf("Enter a number:");
  scanf("%d", &num);
  showbits(num);
  printf("Enter number of bits to rotate:");
  scanf("%d", &bits);
  printf("Number after rotating %d bits to right:\n", bits);
  showbits(right_rotate_n_bits(num, bits));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeac(%rip),%rdi
lea    -0x8(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
mov    -0x8(%rbp),%edi
call   1030 <showbits@plt>
lea    0xe95(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xe84(%rip),%rdi
lea    -0xc(%rbp),%rsi
mov    $0x0,%al
call   1050 <scanf@plt>
mov    -0xc(%rbp),%esi
lea    0xe92(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1060 <right_rotate_n_bits@plt>
mov    %eax,%edi
call   1030 <showbits@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xeb4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb6(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <scanf@plt>
mov    0xc(%rsp),%edi
call   1030 <showbits@plt>
lea    0xe9a(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
xor    %eax,%eax
call   1050 <scanf@plt>
mov    0x8(%rsp),%esi
lea    0xe99(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%esi
call   1060 <right_rotate_n_bits@plt>
mov    %eax,%edi
call   1030 <showbits@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [16 x i8] c"Enter a number:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [32 x i8] c"Enter number of bits to rotate:\00"
@.str.3 = [41 x i8] c"Number after rotating %d bits to right:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
%5 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%6 = load i32, i32* %2
%7 = call i32 @showbits(i32 %6)
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0))
%9 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%10 = load i32, i32* %3
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.3, i64 0, i64 0), i32 %10)
%12 = load i32, i32* %2
%13 = load i32, i32* %3
%14 = call i32 @right_rotate_n_bits(i32 %12, i32 %13)
%15 = call i32 @showbits(i32 %14)
ret i32 0
}

LLVM IR (-O2):
@.str = [16 x i8] c"Enter a number:\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [32 x i8] c"Enter number of bits to rotate:\00"
@.str.3 = [41 x i8] c"Number after rotating %d bits to right:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%7 = load i32, i32* %1
%8 = call i32 @showbits(i32 %7)
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0))
%10 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %2
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([41 x i8], [41 x i8]* @.str.3, i64 0, i64 0), i32 %11)
%13 = load i32, i32* %1
%14 = load i32, i32* %2
%15 = call i32 @right_rotate_n_bits(i32 %13, i32 %14)
%16 = call i32 @showbits(i32 %15)
ret i32 0
}