#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__ malloc(int);
int /*<<< orphan*/ strcpy(char *, char *);
int strlen(char *);
char *obfuscaPalavra(char *palavra) {
  int i = 0;
  char *nova;
  nova = (char *)malloc(sizeof(char) * strlen(palavra));
  strcpy(nova, palavra);
  while (nova[i] != '\0') {
    nova[i] = '*';
    i++;
  }
  return nova;
}


x86 assembly (clang, -O0):
<obfuscaPalavra>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0x8(%rbp),%rdi
call   1040 <strlen@plt>
cltq
shl    $0x0,%rax
mov    %eax,%edi
call   1050 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x8(%rbp),%rsi
call   1030 <strcpy@plt>
mov    -0x18(%rbp),%rax
movslq -0xc(%rbp),%rcx
movsbl (%rax,%rcx,1),%eax
cmp    $0x0,%eax
je     1199 <obfuscaPalavra+0x69>
mov    -0x18(%rbp),%rax
movslq -0xc(%rbp),%rcx
movb   $0x2a,(%rax,%rcx,1)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    116a <obfuscaPalavra+0x3a>
mov    -0x18(%rbp),%rax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<obfuscaPalavra>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%r14
call   1040 <strlen@plt>
mov    %eax,%edi
call   1050 <malloc@plt>
mov    %rax,%rbx
mov    %rax,%rdi
mov    %r14,%rsi
call   1030 <strcpy@plt>
cmpb   $0x0,(%rbx)
je     116d <obfuscaPalavra+0x3d>
mov    %rbx,%rax
add    $0x1,%rax
nopl   (%rax)
movb   $0x2a,-0x1(%rax)
cmpb   $0x0,(%rax)
lea    0x1(%rax),%rax
jne    1160 <obfuscaPalavra+0x30>
mov    %rbx,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
define i8* @obfuscaPalavra(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
%4 = alloca i8*
store i8* %0, i8** %2
store i32 0, i32* %3
%5 = load i8*, i8** %2
%6 = call i32 @strlen(i8* %5)
%7 = sext i32 %6 to i64
%8 = mul i64 1, %7
%9 = trunc i64 %8 to i32
%10 = call i64 @malloc(i32 %9)
%11 = inttoptr i64 %10 to i8*
store i8* %11, i8** %4
%12 = load i8*, i8** %4
%13 = load i8*, i8** %2
%14 = call i32 @strcpy(i8* %12, i8* %13)
br label %15
15: ; preds = %23, %1
%16 = load i8*, i8** %4
%17 = load i32, i32* %3
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i8, i8* %16, i64 %18
%20 = load i8, i8* %19
%21 = sext i8 %20 to i32
%22 = icmp ne i32 %21, 0
br i1 %22, label %23, label %30
23: ; preds = %15
%24 = load i8*, i8** %4
%25 = load i32, i32* %3
%26 = sext i32 %25 to i64
%27 = getelementptr inbounds i8, i8* %24, i64 %26
store i8 42, i8* %27
%28 = load i32, i32* %3
%29 = add nsw i32 %28, 1
store i32 %29, i32* %3
br label %15
30: ; preds = %15
%31 = load i8*, i8** %4
ret i8* %31
}

LLVM IR (-O2):
define i8* @obfuscaPalavra(i8* %0) {
%2 = tail call i32 @strlen(i8* %0)
%3 = tail call i64 @malloc(i32 %2)
%4 = inttoptr i64 %3 to i8*
%5 = tail call i32 @strcpy(i8* %4, i8* %0)
%6 = load i8, i8* %4
%7 = icmp eq i8 %6, 0
br i1 %7, label %15, label %8
8: ; preds = %1, %8
%9 = phi i64 [ %11, %8 ], [ 0, %1 ]
%10 = phi i8* [ %12, %8 ], [ %4, %1 ]
store i8 42, i8* %10
%11 = add nuw nsw i64 %9, 1
%12 = getelementptr inbounds i8, i8* %4, i64 %11
%13 = load i8, i8* %12
%14 = icmp eq i8 %13, 0
br i1 %14, label %15, label %8
15: ; preds = %8, %1
ret i8* %4
}