[llvm] [DirectX] Flatten arrays (PR #114332)

[Justin Bogner via llvm-commits]

================
@@ -0,0 +1,458 @@
+//===- DXILFlattenArrays.cpp - Flattens DXIL Arrays-----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===---------------------------------------------------------------------===//
+
+///
+/// \file This file contains a pass to flatten arrays for the DirectX Backend.
+//
+//===----------------------------------------------------------------------===//
----------------
bogner wrote:

There's a spurious blank line and some inconsistency with the number of slashes here. I guess we must need the three slashes for doxygen, but it looks like most other files either only have 2 slashes or they do it like so:
```suggestion
//===---------------------------------------------------------------------===//
///
/// \file This file contains a pass to flatten arrays for the DirectX Backend.
///
//===----------------------------------------------------------------------===//
```


https://github.com/llvm/llvm-project/pull/114332