#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 check_prime(int);
int /*<<< orphan*/ printf(char *, int);
int /*<<< orphan*/ scanf(char *, int *, int *);
int main() {
  int n1, n2, i, flag;
  scanf("%d %d", &n1, &n2);
  for (i = n1; i <= n2; ++i) {
    flag = check_prime(i);
    if (flag == 0)
      printf("%d ", i);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1050 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jg     119c <main+0x6c>
mov    -0x10(%rbp),%edi
call   1030 <check_prime@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0x0,-0x14(%rbp)
jne    1189 <main+0x59>
mov    -0x10(%rbp),%esi
lea    0xe82(%rip),%rdi
call   1040 <printf@plt>
jmp    118e <main+0x5e>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1159 <main+0x29>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xec5(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
mov    0x4(%rsp),%ebx
cmp    (%rsp),%ebx
jle    115b <main+0x2b>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
lea    0xea4(%rip),%r14
jmp    117a <main+0x4a>
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
lea    0x1(%rbx),%eax
cmp    (%rsp),%ebx
mov    %eax,%ebx
jge    1151 <main+0x21>
mov    %ebx,%edi
call   1030 <check_prime@plt>
test   %eax,%eax
jne    1170 <main+0x40>
mov    %r14,%rdi
mov    %ebx,%esi
call   1040 <printf@plt>
jmp    1170 <main+0x40>

LLVM IR (-O0):
@.str = [6 x i8] c"%d %d\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
%6 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %2, i32* %3)
%7 = load i32, i32* %2
store i32 %7, i32* %4
br label %8
8: ; preds = %21, %0
%9 = load i32, i32* %4
%10 = load i32, i32* %3
%11 = icmp sle i32 %9, %10
br i1 %11, label %12, label %24
12: ; preds = %8
%13 = load i32, i32* %4
%14 = call i32 @check_prime(i32 %13)
store i32 %14, i32* %5
%15 = load i32, i32* %5
%16 = icmp eq i32 %15, 0
br i1 %16, label %17, label %20
17: ; preds = %12
%18 = load i32, i32* %4
%19 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
br label %20
20: ; preds = %17, %12
br label %21
21: ; preds = %20
%22 = load i32, i32* %4
%23 = add nsw i32 %22, 1
store i32 %23, i32* %4
br label %8
24: ; preds = %8
ret i32 0
}

LLVM IR (-O2):
@.str = [6 x i8] c"%d %d\00"
@.str.1 = [4 x i8] c"%d \00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = bitcast i32* %1 to i8*
%4 = bitcast i32* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2)
%6 = load i32, i32* %1
%7 = load i32, i32* %2
%8 = icmp sgt i32 %6, %7
br i1 %8, label %19, label %9
9: ; preds = %0, %15
%10 = phi i32 [ %16, %15 ], [ %6, %0 ]
%11 = call i32 @check_prime(i32 %10)
%12 = icmp eq i32 %11, 0
br i1 %12, label %13, label %15
13: ; preds = %9
%14 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %10)
br label %15
15: ; preds = %9, %13
%16 = add nsw i32 %10, 1
%17 = load i32, i32* %2
%18 = icmp slt i32 %10, %17
br i1 %18, label %9, label %19
19: ; preds = %15, %0
ret i32 0
}