[llvm] [SandboxIR] Boilerplate code (PR #95814)

[Arthur Eubanks via llvm-commits]

================
@@ -0,0 +1,29 @@
+//===- SandboxIRValues.def --------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// clang-format off
----------------
aeubanks wrote:

is this really necessary? no other `.def` file in `llvm/include` has `clang-format off`

https://github.com/llvm/llvm-project/pull/95814