#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*/ call_decode(char *);
int /*<<< orphan*/ call_encode(char const *);
int main() {
  const char *s = "aaaabbccdd";
  call_encode(s);
  call_encode("aabbccdd");
  call_encode("abcd");
  call_encode("aaaa");
  call_encode("a");
  call_encode("\0");
  call_decode("3a2b4c");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
call   1040 <call_encode@plt>
lea    0xeb8(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xeb5(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xeae(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xea5(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xea2(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xe8f(%rip),%rdi
call   1030 <call_decode@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xece(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xecb(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xec4(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xebb(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xeb8(%rip),%rdi
call   1040 <call_encode@plt>
lea    0xea5(%rip),%rdi
call   1030 <call_decode@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [11 x i8] c"aaaabbccdd\00"
@.str.1 = [9 x i8] c"aabbccdd\00"
@.str.2 = [5 x i8] c"abcd\00"
@.str.3 = [5 x i8] c"aaaa\00"
@.str.4 = [2 x i8] c"a\00"
@.str.5 = [2 x i8] zeroinitializer
@.str.6 = [7 x i8] c"3a2b4c\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
store i32 0, i32* %1
store i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8** %2
%3 = load i8*, i8** %2
%4 = call i32 @call_encode(i8* %3)
%5 = call i32 @call_encode(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @call_encode(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @call_encode(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 @call_encode(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 @call_encode(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 @call_decode(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [11 x i8] c"aaaabbccdd\00"
@.str.1 = [9 x i8] c"aabbccdd\00"
@.str.2 = [5 x i8] c"abcd\00"
@.str.3 = [5 x i8] c"aaaa\00"
@.str.4 = [2 x i8] c"a\00"
@.str.5 = [2 x i8] zeroinitializer
@.str.6 = [7 x i8] c"3a2b4c\00"
define i32 @main() {
%1 = tail call i32 @call_encode(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @call_encode(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @call_encode(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @call_encode(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @call_encode(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @call_encode(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @call_decode(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
ret i32 0
}