#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(int);
int toupper(int);
int main() {
  int c;
  int nextupper = 0;
  while ((c = getchar()) != EOF) {
    if (c == '/') {
      nextupper = 1;
    } else {
      if (nextupper) {
        putchar(toupper(c));
      } else {
        putchar(c);
      }
      nextupper = 0;
    }
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0xc(%rbp)
mov    $0x0,%al
call   1050 <getchar@plt>
mov    %eax,-0x8(%rbp)
mov    0x2e91(%rip),%rcx
cmp    (%rcx),%eax
je     11a7 <main+0x77>
cmpl   $0x2f,-0x8(%rbp)
jne    1175 <main+0x45>
movl   $0x1,-0xc(%rbp)
jmp    11a2 <main+0x72>
cmpl   $0x0,-0xc(%rbp)
je     1193 <main+0x63>
mov    -0x8(%rbp),%edi
call   1040 <toupper@plt>
mov    %eax,%edi
call   1030 <putchar@plt>
jmp    119b <main+0x6b>
mov    -0x8(%rbp),%edi
call   1030 <putchar@plt>
movl   $0x0,-0xc(%rbp)
jmp    1146 <main+0x16>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
xor    %eax,%eax
call   1050 <getchar@plt>
mov    0x2ea7(%rip),%rbx
cmp    (%rbx),%eax
jne    114e <main+0x1e>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret
xor    %ecx,%ecx
jmp    1176 <main+0x46>
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    %eax,%edi
call   1030 <putchar@plt>
xor    %ebp,%ebp
xor    %eax,%eax
call   1050 <getchar@plt>
mov    %ebp,%ecx
cmp    (%rbx),%eax
je     1145 <main+0x15>
mov    $0x1,%ebp
cmp    $0x2f,%eax
je     1169 <main+0x39>
test   %ecx,%ecx
je     1160 <main+0x30>
mov    %eax,%edi
call   1040 <toupper@plt>
jmp    1160 <main+0x30>

LLVM IR (-O0):
@EOF = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %3
br label %4
4: ; preds = %23, %0
%5 = call i32 (...) @getchar()
store i32 %5, i32* %2
%6 = load i32, i32* @EOF
%7 = icmp ne i32 %5, %6
br i1 %7, label %8, label %24
8: ; preds = %4
%9 = load i32, i32* %2
%10 = icmp eq i32 %9, 47
br i1 %10, label %11, label %12
11: ; preds = %8
store i32 1, i32* %3
br label %23
12: ; preds = %8
%13 = load i32, i32* %3
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %19
15: ; preds = %12
%16 = load i32, i32* %2
%17 = call i32 @toupper(i32 %16)
%18 = call i32 @putchar(i32 %17)
br label %22
19: ; preds = %12
%20 = load i32, i32* %2
%21 = call i32 @putchar(i32 %20)
br label %22
22: ; preds = %19, %15
store i32 0, i32* %3
br label %23
23: ; preds = %22, %11
br label %4
24: ; preds = %4
ret i32 0
}

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 %20, label %4
4: ; preds = %0, %15
%5 = phi i32 [ %17, %15 ], [ %1, %0 ]
%6 = phi i32 [ %16, %15 ], [ 0, %0 ]
%7 = icmp eq i32 %5, 47
br i1 %7, label %15, label %8
8: ; preds = %4
%9 = icmp eq i32 %6, 0
br i1 %9, label %12, label %10
10: ; preds = %8
%11 = tail call i32 @toupper(i32 %5)
br label %12
12: ; preds = %8, %10
%13 = phi i32 [ %11, %10 ], [ %5, %8 ]
%14 = tail call i32 @putchar(i32 %13)
br label %15
15: ; preds = %12, %4
%16 = phi i32 [ 1, %4 ], [ 0, %12 ]
%17 = tail call i32 (...) @getchar()
%18 = load i32, i32* @EOF
%19 = icmp eq i32 %17, %18
br i1 %19, label %20, label %4
20: ; preds = %15, %0
ret i32 0
}