#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*/ dotest(char *, char *);
int main() {
  dotest("103 123 4444 99 2000", "2000 103 123 4444 99");
  dotest("2000 10003 1234000 44444444 9999 11 11 22 123",
         "11 11 2000 10003 22 123 1234000 44444444 9999");
  dotest("", "");
  dotest("10003 1234000 44444444 9999 2000 123456789",
         "2000 10003 1234000 44444444 9999 123456789");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeda(%rip),%rdi
lea    0xee8(%rip),%rsi
call   1030 <dotest@plt>
lea    0xef1(%rip),%rdi
lea    0xf18(%rip),%rsi
call   1030 <dotest@plt>
lea    0xec8(%rip),%rsi
mov    %rsi,%rdi
call   1030 <dotest@plt>
lea    0xf2b(%rip),%rdi
lea    0xf4f(%rip),%rsi
call   1030 <dotest@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xee8(%rip),%rdi
lea    0xef6(%rip),%rsi
call   1030 <dotest@plt>
lea    0xeff(%rip),%rdi
lea    0xf26(%rip),%rsi
call   1030 <dotest@plt>
lea    0xed6(%rip),%rdi
mov    %rdi,%rsi
call   1030 <dotest@plt>
lea    0xf39(%rip),%rdi
lea    0xf5d(%rip),%rsi
call   1030 <dotest@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [21 x i8] c"103 123 4444 99 2000\00"
@.str.1 = [21 x i8] c"2000 103 123 4444 99\00"
@.str.2 = [46 x i8] c"2000 10003 1234000 44444444 9999 11 11 22 123\00"
@.str.3 = [46 x i8] c"11 11 2000 10003 22 123 1234000 44444444 9999\00"
@.str.4 = [1 x i8] zeroinitializer
@.str.5 = [43 x i8] c"10003 1234000 44444444 9999 2000 123456789\00"
@.str.6 = [43 x i8] c"2000 10003 1234000 44444444 9999 123456789\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @dotest(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @dotest(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.3, i64 0, i64 0))
%4 = call i32 @dotest(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.4, i64 0, i64 0))
%5 = call i32 @dotest(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.6, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str = [21 x i8] c"103 123 4444 99 2000\00"
@.str.1 = [21 x i8] c"2000 103 123 4444 99\00"
@.str.2 = [46 x i8] c"2000 10003 1234000 44444444 9999 11 11 22 123\00"
@.str.3 = [46 x i8] c"11 11 2000 10003 22 123 1234000 44444444 9999\00"
@.str.4 = [1 x i8] zeroinitializer
@.str.5 = [43 x i8] c"10003 1234000 44444444 9999 2000 123456789\00"
@.str.6 = [43 x i8] c"2000 10003 1234000 44444444 9999 123456789\00"
define i32 @main() {
%1 = tail call i32 @dotest(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @dotest(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.3, i64 0, i64 0))
%3 = tail call i32 @dotest(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.4, i64 0, i64 0))
%4 = tail call i32 @dotest(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.5, i64 0, i64 0), i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.6, i64 0, i64 0))
ret i32 0
}