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


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %al,-0x5(%rbp)
movsbl %al,%eax
mov    0x2ea5(%rip),%rcx
movsbl (%rcx),%ecx
cmp    %ecx,%eax
je     119f <main+0x7f>
movsbl -0x5(%rbp),%eax
cmp    $0x20,%eax
je     1175 <main+0x55>
movsbl -0x5(%rbp),%eax
cmp    $0xa,%eax
je     1175 <main+0x55>
movsbl -0x5(%rbp),%eax
cmp    $0x9,%eax
jne    1188 <main+0x68>
lea    0xe84(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    119a <main+0x7a>
movsbl -0x5(%rbp),%esi
lea    0xe6f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    112f <main+0xf>
xor    %eax,%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),%al
jne    1140 <main+0x20>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
movabs $0x100000600,%r14
jmp    1163 <main+0x43>
nopl   0x0(%rax)
movsbl %al,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
cmp    (%rbx),%al
je     1136 <main+0x16>
cmp    $0x20,%al
ja     1150 <main+0x30>
mov    $0xa,%edi
movzbl %al,%ecx
bt     %rcx,%r14
jb     1153 <main+0x33>
jmp    1150 <main+0x30>

LLVM IR (-O0):
@EOF = global i8 0
@.str = [2 x i8] c"\0A\00"
@.str.1 = [3 x i8] c"%c\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8
store i32 0, i32* %1
br label %3
3: ; preds = %27, %0
%4 = call signext i8 (...) @getchar()
store i8 %4, i8* %2
%5 = sext i8 %4 to i32
%6 = load i8, i8* @EOF
%7 = sext i8 %6 to i32
%8 = icmp ne i32 %5, %7
br i1 %8, label %9, label %28
9: ; preds = %3
%10 = load i8, i8* %2
%11 = sext i8 %10 to i32
%12 = icmp eq i32 %11, 32
br i1 %12, label %21, label %13
13: ; preds = %9
%14 = load i8, i8* %2
%15 = sext i8 %14 to i32
%16 = icmp eq i32 %15, 10
br i1 %16, label %21, label %17
17: ; preds = %13
%18 = load i8, i8* %2
%19 = sext i8 %18 to i32
%20 = icmp eq i32 %19, 9
br i1 %20, label %21, label %23
21: ; preds = %17, %13, %9
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
br label %27
23: ; preds = %17
%24 = load i8, i8* %2
%25 = sext i8 %24 to i32
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32 %25)
br label %27
27: ; preds = %23, %21
br label %3
28: ; preds = %3
ret i32 0
}

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