#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*/ printf(char *);
int /*<<< orphan*/ putchar(int);
int main() {
  int c;
  while ((c = getchar()) != EOF) {
    if (c == ' ' || c == '\n' || c == '\t') {
      printf("\n");
    } else {
      putchar(c);
    }
  }
  return 1;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1050 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2e98(%rip),%rcx
cmp    (%rcx),%eax
je     1194 <main+0x64>
cmpl   $0x20,-0x8(%rbp)
je     1176 <main+0x46>
cmpl   $0xa,-0x8(%rbp)
je     1176 <main+0x46>
cmpl   $0x9,-0x8(%rbp)
jne    1187 <main+0x57>
lea    0xe83(%rip),%rdi
call   1040 <printf@plt>
jmp    118f <main+0x5f>
mov    -0x8(%rbp),%edi
call   1030 <putchar@plt>
jmp    113f <main+0xf>
mov    $0x1,%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    1143 <main+0x23>
mov    $0x1,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret
movabs $0x100000600,%r14
jmp    1162 <main+0x42>
nop
mov    %eax,%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    %eax,%ecx
bt     %rcx,%r14
jae    1150 <main+0x30>
mov    $0xa,%edi
jmp    1152 <main+0x32>

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

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 ]
switch i32 %5, label %8 [
i32 32, label %6
i32 10, label %6
i32 9, label %6
]
6: ; preds = %4, %4, %4
%7 = tail call i32 @putchar(i32 10)
br label %10
8: ; preds = %4
%9 = tail call i32 @putchar(i32 %5)
br label %10
10: ; preds = %8, %6
%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 1
}