void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local2;
  unsigned char local1;
  {
    state[0UL] = input[0UL] + (unsigned char)219;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      local2 = 0UL;
      while (local2 < (unsigned char)0) {
        state[0UL] =
            (state[local2] << (((state[0UL] >> (unsigned char)1) &
                                (unsigned char)15) |
                               1UL)) |
            (state[local2] >>
             (8 -
              (((state[0UL] >> (unsigned char)1) & (unsigned char)15) | 1UL)));
        local2++;
      }
      local1++;
    }
    output[0UL] = ((state[0UL] << (unsigned char)13) |
                   (state[0UL] >> (unsigned char)251)) +
                  (unsigned char)94;
  }
}


x86 assembly (clang, -O0):
<RandomFunc>:
push   %rbp
mov    %rsp,%rbp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    -0x8(%rbp),%rax
movzbl (%rax),%eax
add    $0xdb,%eax
mov    %al,-0x11(%rbp)
movb   $0x0,-0x13(%rbp)
movzbl -0x13(%rbp),%eax
cmp    $0x0,%eax
jge    119e <RandomFunc+0x9e>
movb   $0x0,-0x12(%rbp)
movzbl -0x12(%rbp),%eax
cmp    $0x0,%eax
jge    1191 <RandomFunc+0x91>
movzbl -0x12(%rbp),%eax
movzbl -0x11(%rbp,%rax,1),%eax
movzbl -0x11(%rbp),%ecx
sar    $0x1,%ecx
and    $0xf,%ecx
movslq %ecx,%rcx
or     $0x1,%rcx
shl    %cl,%eax
movzbl -0x12(%rbp),%ecx
movzbl -0x11(%rbp,%rcx,1),%edx
movzbl -0x11(%rbp),%ecx
sar    $0x1,%ecx
and    $0xf,%ecx
movslq %ecx,%rsi
or     $0x1,%rsi
mov    $0x8,%ecx
sub    %rsi,%rcx
sar    %cl,%edx
mov    %edx,%ecx
or     %ecx,%eax
mov    %al,-0x11(%rbp)
mov    -0x12(%rbp),%al
add    $0x1,%al
mov    %al,-0x12(%rbp)
jmp    1130 <RandomFunc+0x30>
mov    -0x13(%rbp),%al
add    $0x1,%al
mov    %al,-0x13(%rbp)
jmp    111f <RandomFunc+0x1f>
movzbl -0x11(%rbp),%eax
shl    $0xd,%eax
movzbl -0x11(%rbp),%edx
mov    $0xfb,%ecx
sar    %cl,%edx
mov    %edx,%ecx
or     %ecx,%eax
add    $0x5e,%eax
mov    %al,%cl
mov    -0x10(%rbp),%rax
mov    %cl,(%rax)
pop    %rbp
ret

x86 assembly (clang, -O2):
<RandomFunc>:
ret

LLVM IR (-O0):
define void @RandomFunc(i8* %0, i8* %1) {
%3 = alloca i8*
%4 = alloca i8*
%5 = alloca [1 x i8]
%6 = alloca i8
%7 = alloca i8
store i8* %0, i8** %3
store i8* %1, i8** %4
%8 = load i8*, i8** %3
%9 = getelementptr inbounds i8, i8* %8, i64 0
%10 = load i8, i8* %9
%11 = zext i8 %10 to i32
%12 = add nsw i32 %11, 219
%13 = trunc i32 %12 to i8
%14 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
store i8 %13, i8* %14
store i8 0, i8* %7
br label %15
15: ; preds = %59, %2
%16 = load i8, i8* %7
%17 = zext i8 %16 to i32
%18 = icmp slt i32 %17, 0
br i1 %18, label %19, label %62
19: ; preds = %15
store i8 0, i8* %6
br label %20
20: ; preds = %24, %19
%21 = load i8, i8* %6
%22 = zext i8 %21 to i32
%23 = icmp slt i32 %22, 0
br i1 %23, label %24, label %59
24: ; preds = %20
%25 = load i8, i8* %6
%26 = zext i8 %25 to i64
%27 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 %26
%28 = load i8, i8* %27
%29 = zext i8 %28 to i32
%30 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
%31 = load i8, i8* %30
%32 = zext i8 %31 to i32
%33 = ashr i32 %32, 1
%34 = and i32 %33, 15
%35 = sext i32 %34 to i64
%36 = or i64 %35, 1
%37 = trunc i64 %36 to i32
%38 = shl i32 %29, %37
%39 = load i8, i8* %6
%40 = zext i8 %39 to i64
%41 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 %40
%42 = load i8, i8* %41
%43 = zext i8 %42 to i32
%44 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
%45 = load i8, i8* %44
%46 = zext i8 %45 to i32
%47 = ashr i32 %46, 1
%48 = and i32 %47, 15
%49 = sext i32 %48 to i64
%50 = or i64 %49, 1
%51 = sub i64 8, %50
%52 = trunc i64 %51 to i32
%53 = ashr i32 %43, %52
%54 = or i32 %38, %53
%55 = trunc i32 %54 to i8
%56 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
store i8 %55, i8* %56
%57 = load i8, i8* %6
%58 = add i8 %57, 1
store i8 %58, i8* %6
br label %20
59: ; preds = %20
%60 = load i8, i8* %7
%61 = add i8 %60, 1
store i8 %61, i8* %7
br label %15
62: ; preds = %15
%63 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
%64 = load i8, i8* %63
%65 = zext i8 %64 to i32
%66 = shl i32 %65, 13
%67 = getelementptr inbounds [1 x i8], [1 x i8]* %5, i64 0, i64 0
%68 = load i8, i8* %67
%69 = zext i8 %68 to i32
%70 = ashr i32 %69, 251
%71 = or i32 %66, %70
%72 = add nsw i32 %71, 94
%73 = trunc i32 %72 to i8
%74 = load i8*, i8** %4
%75 = getelementptr inbounds i8, i8* %74, i64 0
store i8 %73, i8* %75
ret void
}

LLVM IR (-O2):
define void @RandomFunc(i8* nocapture %0, i8* nocapture %1) {
ret void
}