#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 *, char *);
int /*<<< orphan*/ scanf(char *, int *);
int main(void) {
  int num, rev = 0, tmp;
  printf("%s\n", "Enter the number: ");
  scanf("%d", &num);
  tmp = num;
  while (num != 0) {
    rev = rev * 10 + num % 10;
    num /= 10;
  }
  if (rev == tmp) {
    printf("%s\n", "The number is palindrome number");
  } else
    printf("%s\n", "The number is not palindrome number");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
lea    0xec3(%rip),%rdi
lea    0xec0(%rip),%rsi
call   1030 <printf@plt>
lea    0xec7(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x10(%rbp)
cmpl   $0x0,-0x8(%rbp)
je     1196 <main+0x76>
imul   $0xa,-0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    -0x14(%rbp),%eax
add    %edx,%eax
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %eax,-0x8(%rbp)
jmp    115f <main+0x3f>
mov    -0xc(%rbp),%eax
cmp    -0x10(%rbp),%eax
jne    11ba <main+0x9a>
lea    0xe57(%rip),%rdi
lea    0xe6a(%rip),%rsi
call   1030 <printf@plt>
jmp    11cd <main+0xad>
lea    0xe3f(%rip),%rdi
lea    0xe72(%rip),%rsi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
lea    0xed5(%rip),%rsi
call   1030 <printf@plt>
lea    0xedc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%r8d
xor    %edx,%edx
test   %r8d,%r8d
je     1193 <main+0x73>
mov    %r8d,%ecx
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
lea    (%rdx,%rdx,4),%edx
movslq %ecx,%rax
imul   $0x66666667,%rax,%rcx
mov    %rcx,%rdi
shr    $0x3f,%rdi
sar    $0x22,%rcx
add    %edi,%ecx
lea    (%rcx,%rcx,1),%edi
lea    (%rdi,%rdi,4),%edi
mov    %eax,%esi
sub    %edi,%esi
lea    (%rsi,%rdx,2),%edx
add    $0x9,%eax
cmp    $0x12,%eax
ja     1160 <main+0x40>
mov    %ecx,0x4(%rsp)
cmp    %r8d,%edx
lea    0xe7d(%rip),%rax
lea    0xe96(%rip),%rsi
cmove  %rax,%rsi
lea    0xe51(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%s\0A\00"
@.str.1 = [19 x i8] c"Enter the number: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [32 x i8] c"The number is palindrome number\00"
@.str.4 = [36 x i8] c"The number is not palindrome number\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
%5 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %2
store i32 %7, i32* %4
br label %8
8: ; preds = %11, %0
%9 = load i32, i32* %2
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %19
11: ; preds = %8
%12 = load i32, i32* %3
%13 = mul nsw i32 %12, 10
%14 = load i32, i32* %2
%15 = srem i32 %14, 10
%16 = add nsw i32 %13, %15
store i32 %16, i32* %3
%17 = load i32, i32* %2
%18 = sdiv i32 %17, 10
store i32 %18, i32* %2
br label %8
19: ; preds = %8
%20 = load i32, i32* %3
%21 = load i32, i32* %4
%22 = icmp eq i32 %20, %21
br i1 %22, label %23, label %25
23: ; preds = %19
%24 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0))
br label %27
25: ; preds = %19
%26 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.4, i64 0, i64 0))
br label %27
27: ; preds = %25, %23
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%s\0A\00"
@.str.1 = [19 x i8] c"Enter the number: \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [32 x i8] c"The number is palindrome number\00"
@.str.4 = [36 x i8] c"The number is not palindrome number\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = icmp eq i32 %5, 0
br i1 %6, label %17, label %7
7: ; preds = %0, %7
%8 = phi i32 [ %12, %7 ], [ 0, %0 ]
%9 = phi i32 [ %13, %7 ], [ %5, %0 ]
%10 = mul nsw i32 %8, 10
%11 = srem i32 %9, 10
%12 = add nsw i32 %10, %11
%13 = sdiv i32 %9, 10
%14 = add i32 %9, 9
%15 = icmp ult i32 %14, 19
br i1 %15, label %16, label %7
16: ; preds = %7
store i32 %13, i32* %1
br label %17
17: ; preds = %16, %0
%18 = phi i32 [ %12, %16 ], [ 0, %0 ]
%19 = icmp eq i32 %18, %5
%20 = select i1 %19, i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([36 x i8], [36 x i8]* @.str.4, i64 0, i64 0)
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i8* %20)
ret i32 0
}