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


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     11bd <main+0x9d>
cmpl   $0x20,-0x8(%rbp)
je     116d <main+0x4d>
cmpl   $0xa,-0x8(%rbp)
je     116d <main+0x4d>
cmpl   $0x9,-0x8(%rbp)
jne    11b0 <main+0x90>
cmpl   $0x1,-0xc(%rbp)
jne    118d <main+0x6d>
mov    $0xa,%edi
call   1030 <putchar@plt>
movl   $0x0,-0xc(%rbp)
jmp    11ab <main+0x8b>
cmpl   $0x0,-0xc(%rbp)
jne    11a6 <main+0x86>
movl   $0x1,-0xc(%rbp)
mov    -0x8(%rbp),%edi
call   1030 <putchar@plt>
jmp    11ab <main+0x8b>
jmp    11b8 <main+0x98>
mov    -0x8(%rbp),%edi
call   1030 <putchar@plt>
jmp    1136 <main+0x16>
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb3(%rip),%rbx
cmp    (%rbx),%eax
jne    1146 <main+0x26>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret
movabs $0x100000600,%r14
mov    $0xa,%r15d
xor    %ebp,%ebp
jmp    1172 <main+0x52>
nopw   0x0(%rax,%rax,1)
mov    %eax,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
cmp    (%rbx),%eax
je     1139 <main+0x19>
cmp    $0x20,%eax
ja     1160 <main+0x40>
mov    %eax,%ecx
bt     %rcx,%r14
jae    1160 <main+0x40>
xor    %ecx,%ecx
cmp    $0x1,%ebp
setne  %cl
cmove  %r15d,%eax
mov    %ecx,%ebp
jmp    1160 <main+0x40>

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 = %33, %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 %34
8: ; preds = %4
%9 = load i32, i32* %2
%10 = icmp eq i32 %9, 32
br i1 %10, label %17, label %11
11: ; preds = %8
%12 = load i32, i32* %2
%13 = icmp eq i32 %12, 10
br i1 %13, label %17, label %14
14: ; preds = %11
%15 = load i32, i32* %2
%16 = icmp eq i32 %15, 9
br i1 %16, label %17, label %30
17: ; preds = %14, %11, %8
%18 = load i32, i32* %3
%19 = icmp eq i32 %18, 1
br i1 %19, label %20, label %22
20: ; preds = %17
%21 = call i32 @putchar(i32 10)
store i32 0, i32* %3
br label %29
22: ; preds = %17
%23 = load i32, i32* %3
%24 = icmp eq i32 %23, 0
br i1 %24, label %25, label %28
25: ; preds = %22
store i32 1, i32* %3
%26 = load i32, i32* %2
%27 = call i32 @putchar(i32 %26)
br label %28
28: ; preds = %25, %22
br label %29
29: ; preds = %28, %20
br label %33
30: ; preds = %14
%31 = load i32, i32* %2
%32 = call i32 @putchar(i32 %31)
br label %33
33: ; preds = %30, %29
br label %4
34: ; preds = %4
%35 = load i32, i32* %1
ret i32 %35
}

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 %19, label %4
4: ; preds = %0, %12
%5 = phi i32 [ %16, %12 ], [ %1, %0 ]
%6 = phi i32 [ %14, %12 ], [ 0, %0 ]
switch i32 %5, label %12 [
i32 32, label %7
i32 10, label %7
i32 9, label %7
]
7: ; preds = %4, %4, %4
%8 = icmp eq i32 %6, 1
%9 = select i1 %8, i32 10, i32 %5
%10 = xor i1 %8, true
%11 = zext i1 %10 to i32
br label %12
12: ; preds = %4, %7
%13 = phi i32 [ %9, %7 ], [ %5, %4 ]
%14 = phi i32 [ %11, %7 ], [ %6, %4 ]
%15 = tail call i32 @putchar(i32 %13)
%16 = tail call i32 (...) @getchar()
%17 = load i32, i32* @EOF
%18 = icmp eq i32 %16, %17
br i1 %18, label %19, label %4
19: ; preds = %12, %0
ret i32 0
}