#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 *, int *, int *, int *);
int main(void) {
  int prefix, group_id, pub_code, item_num, chk_digit;
  printf("Enter ISBN: ");
  scanf("%d-%d-%d-%d-%d", &prefix, &group_id, &pub_code, &item_num, &chk_digit);
  printf("GS1 prefix: %d\nGroup identifer: %d\nPublisher code: %d\nItem "
         "number: %d\nCheck digit: %d\n",
         prefix, group_id, pub_code, item_num, chk_digit);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
lea    -0x14(%rbp),%r8
lea    -0x18(%rbp),%r9
call   1040 <scanf@plt>
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
mov    -0x10(%rbp),%ecx
mov    -0x14(%rbp),%r8d
mov    -0x18(%rbp),%r9d
lea    0xea7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xed5(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
lea    0xed4(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
lea    0x8(%rsp),%r8
lea    0x4(%rsp),%r9
call   1040 <scanf@plt>
mov    0x14(%rsp),%esi
mov    0x10(%rsp),%edx
mov    0xc(%rsp),%ecx
mov    0x8(%rsp),%r8d
mov    0x4(%rsp),%r9d
lea    0xea8(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [13 x i8] c"Enter ISBN: \00"
@.str.1 = [15 x i8] c"%d-%d-%d-%d-%d\00"
@.str.2 = [87 x i8] c"GS1 prefix: %d\0AGroup identifer: %d\0APublisher code: %d\0AItem number: %d\0ACheck digit: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32* %2, i32* %3, i32* %4, i32* %5, i32* %6)
%9 = load i32, i32* %2
%10 = load i32, i32* %3
%11 = load i32, i32* %4
%12 = load i32, i32* %5
%13 = load i32, i32* %6
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([87 x i8], [87 x i8]* @.str.2, i64 0, i64 0), i32 %9, i32 %10, i32 %11, i32 %12, i32 %13)
ret i32 0
}

LLVM IR (-O2):
@.str = [13 x i8] c"Enter ISBN: \00"
@.str.1 = [15 x i8] c"%d-%d-%d-%d-%d\00"
@.str.2 = [87 x i8] c"GS1 prefix: %d\0AGroup identifer: %d\0APublisher code: %d\0AItem number: %d\0ACheck digit: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = bitcast i32* %1 to i8*
%7 = bitcast i32* %2 to i8*
%8 = bitcast i32* %3 to i8*
%9 = bitcast i32* %4 to i8*
%10 = bitcast i32* %5 to i8*
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32* %1, i32* %2, i32* %3, i32* %4, i32* %5)
%13 = load i32, i32* %1
%14 = load i32, i32* %2
%15 = load i32, i32* %3
%16 = load i32, i32* %4
%17 = load i32, i32* %5
%18 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([87 x i8], [87 x i8]* @.str.2, i64 0, i64 0), i32 %13, i32 %14, i32 %15, i32 %16, i32 %17)
ret i32 0
}