#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*/ putchar(char);
int main() {
  int input, state;
  state = 0;
  while ((input = getchar()) != EOF) {
    if (input != EOF)
      putchar(input);
    if (input == ' ' || input == '\t' || input == '\n') {
      putchar('\n');
      state = 1;
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2ea1(%rip),%rcx
cmp    (%rcx),%eax
je     11a0 <main+0x80>
mov    -0x8(%rbp),%eax
mov    0x2e8f(%rip),%rcx
cmp    (%rcx),%eax
je     116c <main+0x4c>
mov    -0x8(%rbp),%eax
movsbl %al,%edi
call   1030 <putchar@plt>
cmpl   $0x20,-0x8(%rbp)
je     118a <main+0x6a>
cmpl   $0x9,-0x8(%rbp)
je     118a <main+0x6a>
cmpl   $0xa,-0x8(%rbp)
jne    119b <main+0x7b>
mov    $0xa,%edi
call   1030 <putchar@plt>
movl   $0x1,-0xc(%rbp)
jmp    1136 <main+0x16>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb5(%rip),%r14
cmp    (%r14),%eax
jne    1140 <main+0x20>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret
mov    %eax,%ebx
movabs $0x100000600,%r15
jmp    115e <main+0x3e>
xchg   %ax,%ax
xor    %eax,%eax
call   1040 <getchar@plt>
mov    %eax,%ebx
cmp    (%r14),%eax
je     1138 <main+0x18>
movsbl %bl,%edi
call   1030 <putchar@plt>
cmp    $0x20,%ebx
ja     1150 <main+0x30>
mov    %ebx,%eax
bt     %rax,%r15
jae    1150 <main+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    1150 <main+0x30>

LLVM IR (-O0):
@EOF = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %4
4: ; preds = %27, %0
%5 = call i32 (...) @getchar()
store i32 %5, i32* %2
%6 = load i32, i32* @EOF
%7 = icmp ne i32 %5, %6
br i1 %7, label %8, label %28
8: ; preds = %4
%9 = load i32, i32* %2
%10 = load i32, i32* @EOF
%11 = icmp ne i32 %9, %10
br i1 %11, label %12, label %16
12: ; preds = %8
%13 = load i32, i32* %2
%14 = trunc i32 %13 to i8
%15 = call i32 @putchar(i8 signext %14)
br label %16
16: ; preds = %12, %8
%17 = load i32, i32* %2
%18 = icmp eq i32 %17, 32
br i1 %18, label %25, label %19
19: ; preds = %16
%20 = load i32, i32* %2
%21 = icmp eq i32 %20, 9
br i1 %21, label %25, label %22
22: ; preds = %19
%23 = load i32, i32* %2
%24 = icmp eq i32 %23, 10
br i1 %24, label %25, label %27
25: ; preds = %22, %19, %16
%26 = call i32 @putchar(i8 signext 10)
store i32 1, i32* %3
br label %27
27: ; preds = %25, %22
br label %4
28: ; preds = %4
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 ]
%6 = trunc i32 %5 to i8
%7 = tail call i32 @putchar(i8 signext %6)
switch i32 %5, label %10 [
i32 32, label %8
i32 10, label %8
i32 9, label %8
]
8: ; preds = %4, %4, %4
%9 = tail call i32 @putchar(i8 signext 10)
br label %10
10: ; preds = %4, %8
%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
}