#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 */
scalar_t__ EOF;
int EXIT_SUCCESS;
scalar_t__ getchar();
int /*<<< orphan*/ printf(char *, double);
int main(int argc, char **argv) {
  double nc;
  for (nc = 0; getchar() != EOF; nc++)
    ;
  printf("%.0f\n", nc);
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
xorps  %xmm0,%xmm0
movsd  %xmm0,-0x18(%rbp)
mov    $0x0,%al
call   1040 <getchar@plt>
mov    0x2e9c(%rip),%rcx
cmp    (%rcx),%rax
je     1171 <main+0x51>
jmp    115a <main+0x3a>
movsd  0xe9e(%rip),%xmm0
addsd  -0x18(%rbp),%xmm0
movsd  %xmm0,-0x18(%rbp)
jmp    113e <main+0x1e>
movsd  -0x18(%rbp),%xmm0
lea    0xe8b(%rip),%rdi
call   1030 <printf@plt>
mov    0x2e4f(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
xor    %eax,%eax
call   1040 <getchar@plt>
mov    0x2eb5(%rip),%rbx
xorpd  %xmm0,%xmm0
cmp    (%rbx),%rax
je     1160 <main+0x40>
xorpd  %xmm0,%xmm0
addsd  0xeb8(%rip),%xmm0
movsd  %xmm0,0x8(%rsp)
xor    %eax,%eax
call   1040 <getchar@plt>
movsd  0x8(%rsp),%xmm0
cmp    (%rbx),%rax
jne    1140 <main+0x20>
lea    0xea1(%rip),%rdi
call   1030 <printf@plt>
mov    0x2e65(%rip),%rax
mov    (%rax),%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@EOF = global i64 0
@.str = [6 x i8] c"%.0f\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca double
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store double 0.000000e+00, double* %6
br label %7
7: ; preds = %12, %2
%8 = call i64 (...) @getchar()
%9 = load i64, i64* @EOF
%10 = icmp ne i64 %8, %9
br i1 %10, label %11, label %15
11: ; preds = %7
br label %12
12: ; preds = %11
%13 = load double, double* %6
%14 = fadd double %13, 1.000000e+00
store double %14, double* %6
br label %7
15: ; preds = %7
%16 = load double, double* %6
%17 = call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), double %16)
%18 = load i32, i32* @EXIT_SUCCESS
ret i32 %18
}

LLVM IR (-O2):
@EOF = global i64 0
@.str = [6 x i8] c"%.0f\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i64 (...) @getchar()
%4 = load i64, i64* @EOF
%5 = icmp eq i64 %3, %4
br i1 %5, label %12, label %6
6: ; preds = %2, %6
%7 = phi double [ %8, %6 ], [ 0.000000e+00, %2 ]
%8 = fadd double %7, 1.000000e+00
%9 = tail call i64 (...) @getchar()
%10 = load i64, i64* @EOF
%11 = icmp eq i64 %9, %10
br i1 %11, label %12, label %6
12: ; preds = %6, %2
%13 = phi double [ 0.000000e+00, %2 ], [ %8, %6 ]
%14 = tail call i32 @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), double %13)
%15 = load i32, i32* @EXIT_SUCCESS
ret i32 %15
}