#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 */
typedef int uint8_t;

/* Variables and functions */
int khazad_sbox(int);
void gamma_x(uint8_t *a) {
  uint8_t i;
  for (i = 0; i < 8; ++i) {
    *a = khazad_sbox(*a);
    a++;
  }
}


x86 assembly (clang, -O0):
<gamma_x>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x8,-0xc(%rbp)
jge    115a <gamma_x+0x4a>
mov    -0x8(%rbp),%rax
mov    (%rax),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x8(%rbp),%rax
add    $0x4,%rax
mov    %rax,-0x8(%rbp)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <gamma_x+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<gamma_x>:
push   %rbx
mov    %rdi,%rbx
mov    (%rdi),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,(%rbx)
mov    0x4(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x4(%rbx)
mov    0x8(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x8(%rbx)
mov    0xc(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0xc(%rbx)
mov    0x10(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x10(%rbx)
mov    0x14(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x14(%rbx)
mov    0x18(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x18(%rbx)
mov    0x1c(%rbx),%edi
call   1030 <khazad_sbox@plt>
mov    %eax,0x1c(%rbx)
pop    %rbx
ret

LLVM IR (-O0):
define void @gamma_x(i32* %0) {
%2 = alloca i32*
%3 = alloca i32
store i32* %0, i32** %2
store i32 0, i32* %3
br label %4
4: ; preds = %14, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 8
br i1 %6, label %7, label %17
7: ; preds = %4
%8 = load i32*, i32** %2
%9 = load i32, i32* %8
%10 = call i32 @khazad_sbox(i32 %9)
%11 = load i32*, i32** %2
store i32 %10, i32* %11
%12 = load i32*, i32** %2
%13 = getelementptr inbounds i32, i32* %12, i32 1
store i32* %13, i32** %2
br label %14
14: ; preds = %7
%15 = load i32, i32* %3
%16 = add nsw i32 %15, 1
store i32 %16, i32* %3
br label %4
17: ; preds = %4
ret void
}

LLVM IR (-O2):
define void @gamma_x(i32* nocapture %0) {
%2 = load i32, i32* %0
%3 = tail call i32 @khazad_sbox(i32 %2)
store i32 %3, i32* %0
%4 = getelementptr inbounds i32, i32* %0, i64 1
%5 = load i32, i32* %4
%6 = tail call i32 @khazad_sbox(i32 %5)
store i32 %6, i32* %4
%7 = getelementptr inbounds i32, i32* %0, i64 2
%8 = load i32, i32* %7
%9 = tail call i32 @khazad_sbox(i32 %8)
store i32 %9, i32* %7
%10 = getelementptr inbounds i32, i32* %0, i64 3
%11 = load i32, i32* %10
%12 = tail call i32 @khazad_sbox(i32 %11)
store i32 %12, i32* %10
%13 = getelementptr inbounds i32, i32* %0, i64 4
%14 = load i32, i32* %13
%15 = tail call i32 @khazad_sbox(i32 %14)
store i32 %15, i32* %13
%16 = getelementptr inbounds i32, i32* %0, i64 5
%17 = load i32, i32* %16
%18 = tail call i32 @khazad_sbox(i32 %17)
store i32 %18, i32* %16
%19 = getelementptr inbounds i32, i32* %0, i64 6
%20 = load i32, i32* %19
%21 = tail call i32 @khazad_sbox(i32 %20)
store i32 %21, i32* %19
%22 = getelementptr inbounds i32, i32* %0, i64 7
%23 = load i32, i32* %22
%24 = tail call i32 @khazad_sbox(i32 %23)
store i32 %24, i32* %22
ret void
}