#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 = 0;
  while ((c = getchar()) != EOF) {
    putchar(c);
    if (c == ' ' || c == '\t' || c == '\n')
      putchar('\n');
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2ea1(%rip),%rcx
cmp    (%rcx),%eax
je     1187 <main+0x67>
mov    -0x8(%rbp),%eax
movsbl %al,%edi
call   1030 <putchar@plt>
cmpl   $0x20,-0x8(%rbp)
je     1178 <main+0x58>
cmpl   $0x9,-0x8(%rbp)
je     1178 <main+0x58>
cmpl   $0xa,-0x8(%rbp)
jne    1182 <main+0x62>
mov    $0xa,%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   %r15
push   %r14
push   %rbx
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb5(%rip),%r14
cmp    (%r14),%eax
jne    1140 <main+0x20>
xor    %eax,%eax
pop    %rbx
pop    %r14
pop    %r15
ret
mov    %eax,%ebx
movabs $0x100000600,%r15
jmp    115e <main+0x3e>
xchg   %ax,%ax
xor    %eax,%eax
call   1040 <getchar@plt>
mov    %eax,%ebx
cmp    (%r14),%eax
je     1138 <main+0x18>
movsbl %bl,%edi
call   1030 <putchar@plt>
cmp    $0x20,%ebx
ja     1150 <main+0x30>
mov    %ebx,%eax
bt     %rax,%r15
jae    1150 <main+0x30>
mov    $0xa,%edi
call   1030 <putchar@plt>
jmp    1150 <main+0x30>

LLVM IR (-O0):
@EOF = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
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 = trunc i32 %8 to i8
%10 = call i32 @putchar(i8 signext %9)
%11 = load i32, i32* %2
%12 = icmp eq i32 %11, 32
br i1 %12, label %19, label %13
13: ; preds = %7
%14 = load i32, i32* %2
%15 = icmp eq i32 %14, 9
br i1 %15, label %19, label %16
16: ; preds = %13
%17 = load i32, i32* %2
%18 = icmp eq i32 %17, 10
br i1 %18, label %19, label %21
19: ; preds = %16, %13, %7
%20 = call i32 @putchar(i8 signext 10)
br label %21
21: ; preds = %19, %16
br label %3
22: ; preds = %3
%23 = load i32, i32* %1
ret i32 %23
}

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