#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 EOF;
int getchar();
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ putchar(int);
int main(void) {
  int c;
  while ((c = getchar()) != EOF) {
    if (c == ' ' || c == '\n' || c == '\t' || c == '\\')
      printf("\n");
    else
      putchar(c);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1050 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2e98(%rip),%rcx
cmp    (%rcx),%eax
je     119e <main+0x6e>
cmpl   $0x20,-0x8(%rbp)
je     1180 <main+0x50>
cmpl   $0xa,-0x8(%rbp)
je     1180 <main+0x50>
cmpl   $0x9,-0x8(%rbp)
je     1180 <main+0x50>
cmpl   $0x5c,-0x8(%rbp)
jne    1191 <main+0x61>
lea    0xe79(%rip),%rdi
call   1040 <printf@plt>
jmp    1199 <main+0x69>
mov    -0x8(%rbp),%edi
call   1030 <putchar@plt>
jmp    113f <main+0xf>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb9(%rip),%rbx
jmp    1151 <main+0x31>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
mov    $0xa,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
cmp    (%rbx),%eax
je     116b <main+0x4b>
lea    -0x9(%rax),%ecx
cmp    $0x2,%ecx
jb     1140 <main+0x20>
cmp    $0x5c,%eax
je     1140 <main+0x20>
cmp    $0x20,%eax
je     1140 <main+0x20>
mov    %eax,%edi
jmp    1145 <main+0x25>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@EOF = global i32 0
@.str = [2 x i8] c"\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
br label %3
3: ; preds = %24, %0
%4 = call i32 (...) @getchar()
store i32 %4, i32* %2
%5 = load i32, i32* @EOF
%6 = icmp ne i32 %4, %5
br i1 %6, label %7, label %25
7: ; preds = %3
%8 = load i32, i32* %2
%9 = icmp eq i32 %8, 32
br i1 %9, label %19, label %10
10: ; preds = %7
%11 = load i32, i32* %2
%12 = icmp eq i32 %11, 10
br i1 %12, label %19, label %13
13: ; preds = %10
%14 = load i32, i32* %2
%15 = icmp eq i32 %14, 9
br i1 %15, label %19, label %16
16: ; preds = %13
%17 = load i32, i32* %2
%18 = icmp eq i32 %17, 92
br i1 %18, label %19, label %21
19: ; preds = %16, %13, %10, %7
%20 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %24
21: ; preds = %16
%22 = load i32, i32* %2
%23 = call i32 @putchar(i32 %22)
br label %24
24: ; preds = %21, %19
br label %3
25: ; preds = %3
ret i32 0
}

LLVM IR (-O2):
@EOF = global i32 0
define i32 @main() {
%1 = tail call i32 (...) @getchar()
%2 = load i32, i32* @EOF
%3 = icmp eq i32 %1, %2
br i1 %3, label %14, label %4
4: ; preds = %0, %10
%5 = phi i32 [ %11, %10 ], [ %1, %0 ]
switch i32 %5, label %8 [
i32 92, label %6
i32 32, label %6
i32 10, label %6
i32 9, label %6
]
6: ; preds = %4, %4, %4, %4
%7 = tail call i32 @putchar(i32 10)
br label %10
8: ; preds = %4
%9 = tail call i32 @putchar(i32 %5)
br label %10
10: ; preds = %8, %6
%11 = tail call i32 (...) @getchar()
%12 = load i32, i32* @EOF
%13 = icmp eq i32 %11, %12
br i1 %13, label %14, label %4
14: ; preds = %10, %0
ret i32 0
}