#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 */
unsigned char getSBoxInvert(unsigned char);
void invSubBytes(unsigned char *state) {
  int i;
  for (i = 0; i < 16; i++)
    state[i] = getSBoxInvert(state[i]);
}


x86 assembly (clang, -O0):
<invSubBytes>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x10,-0xc(%rbp)
jge    1159 <invSubBytes+0x49>
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movzbl (%rax,%rcx,1),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,%dl
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
mov    %dl,(%rax,%rcx,1)
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <invSubBytes+0x13>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<invSubBytes>:
push   %rbx
mov    %rdi,%rbx
movzbl (%rdi),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,(%rbx)
movzbl 0x1(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x1(%rbx)
movzbl 0x2(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x2(%rbx)
movzbl 0x3(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x3(%rbx)
movzbl 0x4(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x4(%rbx)
movzbl 0x5(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x5(%rbx)
movzbl 0x6(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x6(%rbx)
movzbl 0x7(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x7(%rbx)
movzbl 0x8(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x8(%rbx)
movzbl 0x9(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0x9(%rbx)
movzbl 0xa(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xa(%rbx)
movzbl 0xb(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xb(%rbx)
movzbl 0xc(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xc(%rbx)
movzbl 0xd(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xd(%rbx)
movzbl 0xe(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xe(%rbx)
movzbl 0xf(%rbx),%edi
call   1030 <getSBoxInvert@plt>
mov    %al,0xf(%rbx)
pop    %rbx
ret

LLVM IR (-O0):
define void @invSubBytes(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
br label %4
4: ; preds = %18, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 16
br i1 %6, label %7, label %21
7: ; preds = %4
%8 = load i8*, i8** %2
%9 = load i32, i32* %3
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i8, i8* %8, i64 %10
%12 = load i8, i8* %11
%13 = call zeroext i8 @getSBoxInvert(i8 zeroext %12)
%14 = load i8*, i8** %2
%15 = load i32, i32* %3
%16 = sext i32 %15 to i64
%17 = getelementptr inbounds i8, i8* %14, i64 %16
store i8 %13, i8* %17
br label %18
18: ; preds = %7
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
br label %4
21: ; preds = %4
ret void
}

LLVM IR (-O2):
define void @invSubBytes(i8* nocapture %0) {
%2 = load i8, i8* %0
%3 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %2)
store i8 %3, i8* %0
%4 = getelementptr inbounds i8, i8* %0, i64 1
%5 = load i8, i8* %4
%6 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %5)
store i8 %6, i8* %4
%7 = getelementptr inbounds i8, i8* %0, i64 2
%8 = load i8, i8* %7
%9 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %8)
store i8 %9, i8* %7
%10 = getelementptr inbounds i8, i8* %0, i64 3
%11 = load i8, i8* %10
%12 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %11)
store i8 %12, i8* %10
%13 = getelementptr inbounds i8, i8* %0, i64 4
%14 = load i8, i8* %13
%15 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %14)
store i8 %15, i8* %13
%16 = getelementptr inbounds i8, i8* %0, i64 5
%17 = load i8, i8* %16
%18 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %17)
store i8 %18, i8* %16
%19 = getelementptr inbounds i8, i8* %0, i64 6
%20 = load i8, i8* %19
%21 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %20)
store i8 %21, i8* %19
%22 = getelementptr inbounds i8, i8* %0, i64 7
%23 = load i8, i8* %22
%24 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %23)
store i8 %24, i8* %22
%25 = getelementptr inbounds i8, i8* %0, i64 8
%26 = load i8, i8* %25
%27 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %26)
store i8 %27, i8* %25
%28 = getelementptr inbounds i8, i8* %0, i64 9
%29 = load i8, i8* %28
%30 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %29)
store i8 %30, i8* %28
%31 = getelementptr inbounds i8, i8* %0, i64 10
%32 = load i8, i8* %31
%33 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %32)
store i8 %33, i8* %31
%34 = getelementptr inbounds i8, i8* %0, i64 11
%35 = load i8, i8* %34
%36 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %35)
store i8 %36, i8* %34
%37 = getelementptr inbounds i8, i8* %0, i64 12
%38 = load i8, i8* %37
%39 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %38)
store i8 %39, i8* %37
%40 = getelementptr inbounds i8, i8* %0, i64 13
%41 = load i8, i8* %40
%42 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %41)
store i8 %42, i8* %40
%43 = getelementptr inbounds i8, i8* %0, i64 14
%44 = load i8, i8* %43
%45 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %44)
store i8 %45, i8* %43
%46 = getelementptr inbounds i8, i8* %0, i64 15
%47 = load i8, i8* %46
%48 = tail call zeroext i8 @getSBoxInvert(i8 zeroext %47)
store i8 %48, i8* %46
ret void
}