#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*/ putchar(char);
void print_word_per_line() {
  char c, state;
  state = 0;
  while ((c = getchar()) != EOF) {
    if (c == ' ' || c == '\t' || c == '\n') {
      if (state == 1)
        putchar('\n');
      state = 0;
    } else {
      putchar(c);
      state = 1;
    }
  }
}


x86 assembly (clang, -O0):
<print_word_per_line>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movb   $0x0,-0x2(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %al,-0x1(%rbp)
movsbl %al,%eax
mov    0x2ea8(%rip),%rcx
movsbl (%rcx),%ecx
cmp    %ecx,%eax
je     11a4 <print_word_per_line+0x84>
movsbl -0x1(%rbp),%eax
cmp    $0x20,%eax
je     1172 <print_word_per_line+0x52>
movsbl -0x1(%rbp),%eax
cmp    $0x9,%eax
je     1172 <print_word_per_line+0x52>
movsbl -0x1(%rbp),%eax
cmp    $0xa,%eax
jne    1192 <print_word_per_line+0x72>
movsbl -0x2(%rbp),%eax
cmp    $0x1,%eax
jne    1189 <print_word_per_line+0x69>
mov    $0xa,%edi
call   1030 <putchar@plt>
movb   $0x0,-0x2(%rbp)
jmp    119f <print_word_per_line+0x7f>
movsbl -0x1(%rbp),%edi
call   1030 <putchar@plt>
movb   $0x1,-0x2(%rbp)
jmp    112c <print_word_per_line+0xc>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_word_per_line>:
push   %rbp
push   %r14
push   %rbx
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb6(%rip),%rbx
cmp    (%rbx),%al
jne    113b <print_word_per_line+0x1b>
pop    %rbx
pop    %r14
pop    %rbp
ret
movabs $0x100000600,%r14
xor    %ecx,%ecx
jmp    1165 <print_word_per_line+0x45>
nopl   0x0(%rax)
movsbl %al,%edi
call   1030 <putchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
mov    %ebp,%ecx
cmp    (%rbx),%al
je     1136 <print_word_per_line+0x16>
mov    $0x1,%ebp
cmp    $0x20,%al
ja     1150 <print_word_per_line+0x30>
movzbl %al,%edx
bt     %rdx,%r14
jae    1150 <print_word_per_line+0x30>
xor    %ebp,%ebp
mov    $0xa,%al
cmp    $0x1,%ecx
je     1150 <print_word_per_line+0x30>
jmp    1158 <print_word_per_line+0x38>

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

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