[llvm] [X86] Fold some (truncate (srl (add X, C1), C2)) patterns to (add (truncate (srl X, C2), C1')) (PR #126448)

[Simon Pilgrim via llvm-commits]

=?utf-8?q?João?= Gouveia <jtalonegouveia at gmail.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/126448 at github.com>


https://github.com/RKSimon edited https://github.com/llvm/llvm-project/pull/126448