#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 /*<<< orphan*/ scanf(char *, int *);
int main() {
  int num;
  printf("please intput a integer:\n");
  scanf("%d", &num);
  if ((num % 10 >= 3) && (num % 10 <= 8))
    printf("3<=num(%d)<=8", num % 10);
  else
    printf("3<=num(%d)<=8 NOT satisfy!", num % 10);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed6(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
cmp    $0x3,%edx
jl     1195 <main+0x75>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
cmp    $0x8,%edx
jg     1195 <main+0x75>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,%esi
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11b0 <main+0x90>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,%esi
lea    0xe82(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xef4(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
movslq 0x4(%rsp),%rsi
imul   $0x66666667,%rsi,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x22,%rax
add    %ecx,%eax
add    %eax,%eax
lea    (%rax,%rax,4),%eax
sub    %eax,%esi
lea    -0x3(%rsi),%eax
cmp    $0x6,%eax
lea    0xe88(%rip),%rax
lea    0xe8f(%rip),%rdi
cmovb  %rax,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [26 x i8] c"please intput a integer:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [14 x i8] c"3<=num(%d)<=8\00"
@.str.3 = [27 x i8] c"3<=num(%d)<=8 NOT satisfy!\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%5 = load i32, i32* %2
%6 = srem i32 %5, 10
%7 = icmp sge i32 %6, 3
br i1 %7, label %8, label %16
8: ; preds = %0
%9 = load i32, i32* %2
%10 = srem i32 %9, 10
%11 = icmp sle i32 %10, 8
br i1 %11, label %12, label %16
12: ; preds = %8
%13 = load i32, i32* %2
%14 = srem i32 %13, 10
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i32 %14)
br label %20
16: ; preds = %8, %0
%17 = load i32, i32* %2
%18 = srem i32 %17, 10
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %16, %12
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [14 x i8] c"3<=num(%d)<=8\00"
@.str.3 = [27 x i8] c"3<=num(%d)<=8 NOT satisfy!\00"
@str = [25 x i8] c"please intput a integer:\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str, i64 0, i64 0))
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%5 = load i32, i32* %1
%6 = srem i32 %5, 10
%7 = add nsw i32 %6, -3
%8 = icmp ult i32 %7, 6
%9 = select i1 %8, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.3, i64 0, i64 0)
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) %9, i32 %6)
ret i32 0
}