#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 HashKey2(char *);
int /*<<< orphan*/ printf(char *, int);
main() {
  printf("index=%d\n", HashKey2("acb"));
  printf("index=%d\n", HashKey2("abc"));
  printf("index=%d\n", HashKey2("cba"));
  printf("index=%d\n", HashKey2("song"));
  printf("index=%d\n", HashKey2("ongs"));
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
lea    0xedf(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %eax,%esi
lea    0xec7(%rip),%rdi
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %eax,%esi
lea    0xead(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb3(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %eax,%esi
lea    0xe93(%rip),%rdi
call   1030 <printf@plt>
lea    0xe9d(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %eax,%esi
lea    0xe79(%rip),%rdi
call   1030 <printf@plt>
lea    0xe88(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %eax,%esi
lea    0xe5f(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee2(%rip),%rdi
call   1040 <HashKey2@plt>
lea    0xecc(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xec9(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xeb7(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xea5(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xe94(%rip),%rdi
call   1040 <HashKey2@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [10 x i8] c"index=%d\0A\00"
@.str.1 = [4 x i8] c"acb\00"
@.str.2 = [4 x i8] c"abc\00"
@.str.3 = [4 x i8] c"cba\00"
@.str.4 = [5 x i8] c"song\00"
@.str.5 = [5 x i8] c"ongs\00"
define i32 @main() {
%1 = call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = call i32 @HashKey2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = call i32 @HashKey2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %9)
ret i32 0
}

LLVM IR (-O2):
@.str = [10 x i8] c"index=%d\0A\00"
@.str.1 = [4 x i8] c"acb\00"
@.str.2 = [4 x i8] c"abc\00"
@.str.3 = [4 x i8] c"cba\00"
@.str.4 = [5 x i8] c"song\00"
@.str.5 = [5 x i8] c"ongs\00"
define i32 @main() {
%1 = tail call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @HashKey2(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @HashKey2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.4, i64 0, i64 0))
%8 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @HashKey2(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i64 0, i64 0))
%10 = tail call i32 @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 %9)
ret i32 0
}