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


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x1,-0x18(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,-0x14(%rbp)
mov    0x2e9a(%rip),%rcx
cmp    (%rcx),%eax
je     11b0 <main+0x90>
cmpl   $0x20,-0x14(%rbp)
je     116a <main+0x4a>
cmpl   $0x9,-0x14(%rbp)
jne    1176 <main+0x56>
movl   $0x0,-0x18(%rbp)
jmp    11ab <main+0x8b>
cmpl   $0x0,-0x18(%rbp)
jne    119e <main+0x7e>
movl   $0x1,-0x18(%rbp)
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    -0x14(%rbp),%edi
call   1030 <putchar@plt>
jmp    11a6 <main+0x86>
mov    -0x14(%rbp),%edi
call   1030 <putchar@plt>
jmp    11ab <main+0x8b>
jmp    113d <main+0x1d>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r14
push   %rbx
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb6(%rip),%r14
cmp    (%r14),%eax
jne    113e <main+0x1e>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %rbp
ret
mov    %eax,%ebx
mov    $0x1,%eax
jmp    116c <main+0x4c>
nopw   0x0(%rax,%rax,1)
mov    %ebx,%edi
call   1030 <putchar@plt>
mov    $0x1,%ebp
xor    %eax,%eax
call   1040 <getchar@plt>
mov    %eax,%ebx
mov    %ebp,%eax
cmp    (%r14),%ebx
je     1137 <main+0x17>
mov    $0x0,%ebp
cmp    $0x9,%ebx
je     115c <main+0x3c>
mov    $0x0,%ebp
cmp    $0x20,%ebx
je     115c <main+0x3c>
test   %eax,%eax
jne    1150 <main+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    1150 <main+0x30>

LLVM IR (-O0):
@EOF = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 1, i32* %7
br label %8
8: ; preds = %30, %2
%9 = call i32 (...) @getchar()
store i32 %9, i32* %6
%10 = load i32, i32* @EOF
%11 = icmp ne i32 %9, %10
br i1 %11, label %12, label %31
12: ; preds = %8
%13 = load i32, i32* %6
%14 = icmp eq i32 %13, 32
br i1 %14, label %18, label %15
15: ; preds = %12
%16 = load i32, i32* %6
%17 = icmp eq i32 %16, 9
br i1 %17, label %18, label %19
18: ; preds = %15, %12
store i32 0, i32* %7
br label %30
19: ; preds = %15
%20 = load i32, i32* %7
%21 = icmp eq i32 %20, 0
br i1 %21, label %22, label %26
22: ; preds = %19
store i32 1, i32* %7
%23 = call i32 @putchar(i32 10)
%24 = load i32, i32* %6
%25 = call i32 @putchar(i32 %24)
br label %29
26: ; preds = %19
%27 = load i32, i32* %6
%28 = call i32 @putchar(i32 %27)
br label %29
29: ; preds = %26, %22
br label %30
30: ; preds = %29, %18
br label %8
31: ; preds = %8
%32 = load i32, i32* %3
ret i32 %32
}

LLVM IR (-O2):
@EOF = global i32 0
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 (...) @getchar()
%4 = load i32, i32* @EOF
%5 = icmp eq i32 %3, %4
br i1 %5, label %20, label %6
6: ; preds = %2, %15
%7 = phi i32 [ %17, %15 ], [ %3, %2 ]
%8 = phi i32 [ %16, %15 ], [ 1, %2 ]
switch i32 %7, label %9 [
i32 32, label %15
i32 9, label %15
]
9: ; preds = %6
%10 = icmp eq i32 %8, 0
br i1 %10, label %11, label %13
11: ; preds = %9
%12 = tail call i32 @putchar(i32 10)
br label %13
13: ; preds = %9, %11
%14 = tail call i32 @putchar(i32 %7)
br label %15
15: ; preds = %13, %6, %6
%16 = phi i32 [ 0, %6 ], [ 0, %6 ], [ 1, %13 ]
%17 = tail call i32 (...) @getchar()
%18 = load i32, i32* @EOF
%19 = icmp eq i32 %17, %18
br i1 %19, label %20, label %6
20: ; preds = %15, %2
ret i32 0
}