#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*/ printf(char *, int);
int strend(char *, char *);
int main() {
  char *foo = "kekt";
  char *bar = "buckets of kekt";
  printf("%d\n", strend(bar, foo));
  foo = "missile";
  bar = "Did you see those missiles?!";
  printf("%d\n", strend(bar, foo));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xed5(%rip),%rax
mov    %rax,-0x10(%rbp)
lea    0xebf(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1040 <strend@plt>
mov    %eax,%esi
lea    0xeb5(%rip),%rdi
call   1030 <printf@plt>
lea    0xead(%rip),%rax
mov    %rax,-0x10(%rbp)
lea    0xeaa(%rip),%rax
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rdi
mov    -0x10(%rbp),%rsi
call   1040 <strend@plt>
mov    %eax,%esi
lea    0xe84(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xed8(%rip),%rdi
lea    0xedc(%rip),%rsi
call   1040 <strend@plt>
lea    0xed5(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xed0(%rip),%rdi
lea    0xec1(%rip),%rsi
call   1040 <strend@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"kekt\00"
@.str.1 = [16 x i8] c"buckets of kekt\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [8 x i8] c"missile\00"
@.str.4 = [29 x i8] c"Did you see those missiles?!\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
%3 = alloca i8*
store i32 0, i32* %1
store i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8** %2
store i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i8** %3
%4 = load i8*, i8** %3
%5 = load i8*, i8** %2
%6 = call i32 @strend(i8* %4, i8* %5)
%7 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %6)
store i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0), i8** %2
store i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.4, i64 0, i64 0), i8** %3
%8 = load i8*, i8** %3
%9 = load i8*, i8** %2
%10 = call i32 @strend(i8* %8, i8* %9)
%11 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %10)
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"kekt\00"
@.str.1 = [16 x i8] c"buckets of kekt\00"
@.str.2 = [4 x i8] c"%d\0A\00"
@.str.3 = [8 x i8] c"missile\00"
@.str.4 = [29 x i8] c"Did you see those missiles?!\00"
define i32 @main() {
%1 = tail call i32 @strend(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %1)
%3 = tail call i32 @strend(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.4, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %3)
ret i32 0
}