update copyright and add description to struct

src/simplify_algebra.cpp

 /*
  * The MIT License (MIT)
  *
- * Copyright (c) 2015-2022 Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/simplify_reshapes.cpp

@@ -632,6 +632,9 @@ struct find_transpose_contiguous_reshaper_unary
     }
 };
 
+// simplifies broadcast->transpose to transpose->broadcast
+// in the case of a scalar, simply rewrite to broadcast
+// this can allow for further optimizations with find_inner_broadcast() in simplify_algebra.cpp
 struct find_broadcast_transpose
 {
     auto matcher() const

test/simplify_algebra_test.cpp

 /*
  * The MIT License (MIT)
  *
- * Copyright (c) 2015-2022 Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2015-2023 Advanced Micro Devices, Inc. All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal