#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);
main() {
  int c, state;
  state = 0;
  while ((c = getchar()) != EOF) {
    if (c != ' ' && c != '\t' && c != '\n') {
      putchar(c);
      state = 0;
    } else if (state == 0) {
      putchar('\n');
      state == 1;
    }
  }
}


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     11a2 <main+0x82>
cmpl   $0x20,-0x8(%rbp)
je     1184 <main+0x64>
cmpl   $0x9,-0x8(%rbp)
je     1184 <main+0x64>
cmpl   $0xa,-0x8(%rbp)
je     1184 <main+0x64>
mov    -0x8(%rbp),%eax
movsbl %al,%edi
call   1030 <putchar@plt>
movl   $0x0,-0xc(%rbp)
jmp    119d <main+0x7d>
cmpl   $0x0,-0xc(%rbp)
jne    1198 <main+0x78>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    119d <main+0x7d>
jmp    1136 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb6(%rip),%rbx
cmp    (%rbx),%eax
jne    1140 <main+0x20>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
movabs $0x100000600,%r14
jmp    1165 <main+0x45>
nopl   0x0(%rax)
mov    %eax,%ecx
movsbl %cl,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
cmp    (%rbx),%eax
je     1136 <main+0x16>
cmp    $0x20,%eax
ja     1150 <main+0x30>
mov    $0xa,%cl
mov    %eax,%edx
bt     %rdx,%r14
jb     1152 <main+0x32>
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 = %30, %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 %31
8: ; preds = %4
%9 = load i32, i32* %2
%10 = icmp ne i32 %9, 32
br i1 %10, label %11, label %21
11: ; preds = %8
%12 = load i32, i32* %2
%13 = icmp ne i32 %12, 9
br i1 %13, label %14, label %21
14: ; preds = %11
%15 = load i32, i32* %2
%16 = icmp ne i32 %15, 10
br i1 %16, label %17, label %21
17: ; preds = %14
%18 = load i32, i32* %2
%19 = trunc i32 %18 to i8
%20 = call i32 @putchar(i8 signext %19)
store i32 0, i32* %3
br label %30
21: ; preds = %14, %11, %8
%22 = load i32, i32* %3
%23 = icmp eq i32 %22, 0
br i1 %23, label %24, label %29
24: ; preds = %21
%25 = call i32 @putchar(i8 signext 10)
%26 = load i32, i32* %3
%27 = icmp eq i32 %26, 1
%28 = zext i1 %27 to i32
br label %29
29: ; preds = %24, %21
br label %30
30: ; preds = %29, %17
br label %4
31: ; preds = %4
%32 = load i32, i32* %1
ret i32 %32
}

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, %8
%5 = phi i32 [ %11, %8 ], [ %1, %0 ]
switch i32 %5, label %6 [
i32 32, label %8
i32 10, label %8
i32 9, label %8
]
6: ; preds = %4
%7 = trunc i32 %5 to i8
br label %8
8: ; preds = %4, %4, %4, %6
%9 = phi i8 [ %7, %6 ], [ 10, %4 ], [ 10, %4 ], [ 10, %4 ]
%10 = tail call i32 @putchar(i8 signext %9)
%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 = %8, %0
ret i32 0
}