#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 */
scalar_t__ isprint(int);
int /*<<< orphan*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int kod;
  printf("Podaj kod ascii: ");
  scanf("%i", &kod);
  if (isprint(kod)) {
    printf("%c\n", kod);
  } else {
    printf("znak niedrukowalny\n");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xebe(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%edi
call   1050 <isprint@plt>
cmp    $0x0,%rax
je     1185 <main+0x55>
mov    -0x8(%rbp),%esi
lea    0xe9c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    1193 <main+0x63>
lea    0xe8d(%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    0xeb8(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xebc(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%edi
call   1060 <isprint@plt>
test   %rax,%rax
je     1182 <main+0x42>
mov    0x4(%rsp),%esi
lea    0xe9c(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
jmp    118e <main+0x4e>
lea    0xe90(%rip),%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [18 x i8] c"Podaj kod ascii: \00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [4 x i8] c"%c\0A\00"
@.str.3 = [20 x i8] c"znak niedrukowalny\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 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 = call i64 @isprint(i32 %5)
%7 = icmp ne i64 %6, 0
br i1 %7, label %8, label %11
8: ; preds = %0
%9 = load i32, i32* %2
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %9)
br label %13
11: ; preds = %0
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
br label %13
13: ; preds = %11, %8
ret i32 0
}

LLVM IR (-O2):
@.str = [18 x i8] c"Podaj kod ascii: \00"
@.str.1 = [3 x i8] c"%i\00"
@.str.2 = [4 x i8] c"%c\0A\00"
@str = [19 x i8] c"znak niedrukowalny\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 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 = call i64 @isprint(i32 %5)
%7 = icmp eq i64 %6, 0
br i1 %7, label %11, label %8
8: ; preds = %0
%9 = load i32, i32* %1
%10 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %9)
br label %13
11: ; preds = %0
%12 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
br label %13
13: ; preds = %11, %8
ret i32 0
}