#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);
main() {
  int c;
  int tb, sp, nl;
  nl = 0;
  while ((c = getchar()) != EOF)
    if (c == '\n')
      ++nl;
    else if (c == '\t')
      ++tb;
    else if (c == ' ')
      ++sp;
  printf("Number of newlines: %d\n", nl);
  printf("Number of tabs: %d\n", tb);
  printf("Number of whitespaces: %d\n", sp);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x14(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2ea1(%rip),%rcx
cmp    (%rcx),%eax
je     11a1 <main+0x81>
cmpl   $0xa,-0x8(%rbp)
jne    1167 <main+0x47>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    119c <main+0x7c>
cmpl   $0x9,-0x8(%rbp)
jne    117f <main+0x5f>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1197 <main+0x77>
cmpl   $0x20,-0x8(%rbp)
jne    1192 <main+0x72>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1197 <main+0x77>
jmp    119c <main+0x7c>
jmp    1136 <main+0x16>
mov    -0x14(%rbp),%esi
lea    0xe55(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%esi
lea    0xe5e(%rip),%rdi
call   1030 <printf@plt>
mov    -0x10(%rbp),%esi
lea    0xe63(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
xor    %ebp,%ebp
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb1(%rip),%rbx
cmp    (%rbx),%eax
jne    1174 <main+0x54>
lea    0xebe(%rip),%rdi
mov    %ebp,%esi
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
mov    %r15d,%esi
call   1030 <printf@plt>
lea    0xecd(%rip),%rdi
mov    %r14d,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret
xor    %ebp,%ebp
jmp    118f <main+0x6f>
nopl   0x0(%rax,%rax,1)
add    $0x1,%r14d
xor    %eax,%eax
call   1040 <getchar@plt>
cmp    (%rbx),%eax
je     113b <main+0x1b>
cmp    $0x9,%eax
je     11b0 <main+0x90>
cmp    $0x20,%eax
je     1180 <main+0x60>
cmp    $0xa,%eax
jne    1184 <main+0x64>
add    $0x1,%ebp
jmp    1184 <main+0x64>
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
add    $0x1,%r15d
jmp    1184 <main+0x64>

LLVM IR (-O0):
@EOF = global i32 0
@.str = [24 x i8] c"Number of newlines: %d\0A\00"
@.str.1 = [20 x i8] c"Number of tabs: %d\0A\00"
@.str.2 = [27 x i8] c"Number of whitespaces: %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %5
br label %6
6: ; preds = %30, %0
%7 = call i32 (...) @getchar()
store i32 %7, i32* %2
%8 = load i32, i32* @EOF
%9 = icmp ne i32 %7, %8
br i1 %9, label %10, label %31
10: ; preds = %6
%11 = load i32, i32* %2
%12 = icmp eq i32 %11, 10
br i1 %12, label %13, label %16
13: ; preds = %10
%14 = load i32, i32* %5
%15 = add nsw i32 %14, 1
store i32 %15, i32* %5
br label %30
16: ; preds = %10
%17 = load i32, i32* %2
%18 = icmp eq i32 %17, 9
br i1 %18, label %19, label %22
19: ; preds = %16
%20 = load i32, i32* %3
%21 = add nsw i32 %20, 1
store i32 %21, i32* %3
br label %29
22: ; preds = %16
%23 = load i32, i32* %2
%24 = icmp eq i32 %23, 32
br i1 %24, label %25, label %28
25: ; preds = %22
%26 = load i32, i32* %4
%27 = add nsw i32 %26, 1
store i32 %27, i32* %4
br label %28
28: ; preds = %25, %22
br label %29
29: ; preds = %28, %19
br label %30
30: ; preds = %29, %13
br label %6
31: ; preds = %6
%32 = load i32, i32* %5
%33 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 %32)
%34 = load i32, i32* %3
%35 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0), i32 %34)
%36 = load i32, i32* %4
%37 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i32 %36)
%38 = load i32, i32* %1
ret i32 %38
}

LLVM IR (-O2):
@EOF = global i32 0
@.str = [24 x i8] c"Number of newlines: %d\0A\00"
@.str.1 = [20 x i8] c"Number of tabs: %d\0A\00"
@.str.2 = [27 x i8] c"Number of whitespaces: %d\0A\00"
define i32 @main() {
%1 = tail call i32 (...) @getchar()
%2 = load i32, i32* @EOF
%3 = icmp eq i32 %1, %2
br i1 %3, label %22, label %4
4: ; preds = %0, %15
%5 = phi i32 [ %19, %15 ], [ %1, %0 ]
%6 = phi i32 [ %18, %15 ], [ 0, %0 ]
%7 = phi i32 [ %17, %15 ], [ undef, %0 ]
%8 = phi i32 [ %16, %15 ], [ undef, %0 ]
switch i32 %5, label %15 [
i32 10, label %9
i32 9, label %11
i32 32, label %13
]
9: ; preds = %4
%10 = add nsw i32 %6, 1
br label %15
11: ; preds = %4
%12 = add nsw i32 %8, 1
br label %15
13: ; preds = %4
%14 = add nsw i32 %7, 1
br label %15
15: ; preds = %4, %11, %13, %9
%16 = phi i32 [ %8, %9 ], [ %12, %11 ], [ %8, %13 ], [ %8, %4 ]
%17 = phi i32 [ %7, %9 ], [ %7, %11 ], [ %14, %13 ], [ %7, %4 ]
%18 = phi i32 [ %10, %9 ], [ %6, %11 ], [ %6, %13 ], [ %6, %4 ]
%19 = tail call i32 (...) @getchar()
%20 = load i32, i32* @EOF
%21 = icmp eq i32 %19, %20
br i1 %21, label %22, label %4
22: ; preds = %15, %0
%23 = phi i32 [ undef, %0 ], [ %16, %15 ]
%24 = phi i32 [ undef, %0 ], [ %17, %15 ]
%25 = phi i32 [ 0, %0 ], [ %18, %15 ]
%26 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 %25)
%27 = tail call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0), i32 %23)
%28 = tail call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i64 0, i64 0), i32 %24)
ret i32 0
}