#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 /*<<< orphan*/ assert(int);
int hamming_dist(char *, char *);
int main(int argc, char *argv[]) {
  assert(hamming_dist("a", "aa") == -1);
  assert(hamming_dist("same", "same") == 0);
  assert(hamming_dist("tobi", "toby") == 1);
  assert(hamming_dist("math", "meth") == 1);
  assert(hamming_dist("shovel", "shower") == 2);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xec4(%rip),%rdi
lea    0xebc(%rip),%rsi
call   1030 <hamming_dist@plt>
cmp    $0xffffffff,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
lea    0xea3(%rip),%rsi
mov    %rsi,%rdi
call   1030 <hamming_dist@plt>
cmp    $0x0,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
lea    0xe89(%rip),%rdi
lea    0xe87(%rip),%rsi
call   1030 <hamming_dist@plt>
cmp    $0x1,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
lea    0xe70(%rip),%rdi
lea    0xe6e(%rip),%rsi
call   1030 <hamming_dist@plt>
cmp    $0x1,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
lea    0xe57(%rip),%rdi
lea    0xe57(%rip),%rsi
call   1030 <hamming_dist@plt>
cmp    $0x2,%eax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   1040 <assert@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed9(%rip),%rdi
lea    0xed1(%rip),%rsi
call   1030 <hamming_dist@plt>
xor    %edi,%edi
cmp    $0xffffffff,%eax
sete   %dil
call   1040 <assert@plt>
lea    0xeba(%rip),%rdi
mov    %rdi,%rsi
call   1030 <hamming_dist@plt>
xor    %edi,%edi
test   %eax,%eax
sete   %dil
call   1040 <assert@plt>
lea    0xea3(%rip),%rdi
lea    0xea1(%rip),%rsi
call   1030 <hamming_dist@plt>
xor    %edi,%edi
cmp    $0x1,%eax
sete   %dil
call   1040 <assert@plt>
lea    0xe8c(%rip),%rdi
lea    0xe8a(%rip),%rsi
call   1030 <hamming_dist@plt>
xor    %edi,%edi
cmp    $0x1,%eax
sete   %dil
call   1040 <assert@plt>
lea    0xe75(%rip),%rdi
lea    0xe75(%rip),%rsi
call   1030 <hamming_dist@plt>
xor    %edi,%edi
cmp    $0x2,%eax
sete   %dil
call   1040 <assert@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [2 x i8] c"a\00"
@.str.1 = [3 x i8] c"aa\00"
@.str.2 = [5 x i8] c"same\00"
@.str.3 = [5 x i8] c"tobi\00"
@.str.4 = [5 x i8] c"toby\00"
@.str.5 = [5 x i8] c"math\00"
@.str.6 = [5 x i8] c"meth\00"
@.str.7 = [7 x i8] c"shovel\00"
@.str.8 = [7 x i8] c"shower\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%6 = call i32 @hamming_dist(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%7 = icmp eq i32 %6, -1
%8 = zext i1 %7 to i32
%9 = call i32 @assert(i32 %8)
%10 = call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%11 = icmp eq i32 %10, 0
%12 = zext i1 %11 to i32
%13 = call i32 @assert(i32 %12)
%14 = call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i32 %14, 1
%16 = zext i1 %15 to i32
%17 = call i32 @assert(i32 %16)
%18 = call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%19 = icmp eq i32 %18, 1
%20 = zext i1 %19 to i32
%21 = call i32 @assert(i32 %20)
%22 = call i32 @hamming_dist(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.8, i64 0, i64 0))
%23 = icmp eq i32 %22, 2
%24 = zext i1 %23 to i32
%25 = call i32 @assert(i32 %24)
ret i32 0
}

LLVM IR (-O2):
@.str = [2 x i8] c"a\00"
@.str.1 = [3 x i8] c"aa\00"
@.str.2 = [5 x i8] c"same\00"
@.str.3 = [5 x i8] c"tobi\00"
@.str.4 = [5 x i8] c"toby\00"
@.str.5 = [5 x i8] c"math\00"
@.str.6 = [5 x i8] c"meth\00"
@.str.7 = [7 x i8] c"shovel\00"
@.str.8 = [7 x i8] c"shower\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = tail call i32 @hamming_dist(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = icmp eq i32 %3, -1
%5 = zext i1 %4 to i32
%6 = tail call i32 @assert(i32 %5)
%7 = tail call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%8 = icmp eq i32 %7, 0
%9 = zext i1 %8 to i32
%10 = tail call i32 @assert(i32 %9)
%11 = tail call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%12 = icmp eq i32 %11, 1
%13 = zext i1 %12 to i32
%14 = tail call i32 @assert(i32 %13)
%15 = tail call i32 @hamming_dist(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%16 = icmp eq i32 %15, 1
%17 = zext i1 %16 to i32
%18 = tail call i32 @assert(i32 %17)
%19 = tail call i32 @hamming_dist(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.8, i64 0, i64 0))
%20 = icmp eq i32 %19, 2
%21 = zext i1 %20 to i32
%22 = tail call i32 @assert(i32 %21)
ret i32 0
}