[llvm] Move ExpandMemCmp and MergeIcmp to the middle end (PR #77370)

[Nikita Popov via llvm-commits]

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@@ -5,21 +5,14 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+//
+// This header is deprecated. Use llvm/Transforms/Scalar/ExpandMemCmp.h instead.
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nikic wrote:

No need for this, you can delete the header.

https://github.com/llvm/llvm-project/pull/77370