[llvm] [TableGen] Add a backend to generate MacroFusion predicators (PR #72222)

[Pierre van Houtryve via llvm-commits]

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@@ -0,0 +1,199 @@
+//===--- MacroFusionPredicatorEmitter.cpp - Generator for Fusion ----===//
+//
+// 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
+//
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Pierre-vh wrote:

nit: the header usually has 
```
//===----------------------------------------------------------------------===//
````
Between the license and the documentation

https://github.com/llvm/llvm-project/pull/72222